import { createHash } from 'crypto';
import { createRequire } from 'module';
import path$q, { win32, posix as posix$1, resolve as resolve$1, parse as parse$b, basename, join, dirname, normalize as normalize$3 } from 'path';
import path$r from 'node:path';
import process$2, { stdin, stdout } from 'node:process';
import 'node:fs/promises';
import { fileURLToPath } from 'node:url';
import fs$u from 'node:fs';
import require$$3, { fileURLToPath as fileURLToPath$1, URL as URL$1, pathToFileURL } from 'url';
import * as fs$t from 'fs';
import fs__default, { realpathSync as realpathSync$1, lstatSync, readdir as readdir$4, readdirSync as readdirSync$1, readlinkSync, unlinkSync, rmdirSync, chmodSync, statSync as statSync$1, renameSync, rmSync } from 'fs';
import { lstat as lstat$4, readdir as readdir$5, readlink, realpath } from 'fs/promises';
import require$$0$6, { EventEmitter } from 'events';
import require$$0$2 from 'stream';
import require$$1, { StringDecoder } from 'string_decoder';
import require$$0$3, { inspect } from 'util';
import require$$0$5, { tmpdir } from 'os';
import require$$5 from 'assert';
import { normalizePath, loadConfigFromFile, createLogger, mergeConfig as mergeConfig$1, searchForWorkspaceRoot, build as build$1, transformWithEsbuild, createServer as createServer$1 } from 'vite';
import require$$2$1 from 'readline';
import require$$0$7 from 'child_process';
import zlib from 'zlib';
import f$1 from 'node:readline';
import { WriteStream } from 'node:tty';
import http from 'http';
import * as qs from 'querystring';
import require$$0$4 from 'tty';
import require$$0$1 from 'constants';
import { webcrypto } from 'node:crypto';
import { getHighlighter, bundledLanguages, isSpecialLang } from 'shiki';
import { transformerNotationDiff, transformerNotationFocus, transformerNotationHighlight, transformerNotationErrorLevel, transformerCompactLineOptions } from '@shikijs/transformers';
import MiniSearch from 'minisearch';

var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

function getAugmentedNamespace(n) {
  if (n.__esModule) return n;
  var f = n.default;
	if (typeof f == "function") {
		var a = function a () {
			if (this instanceof a) {
        return Reflect.construct(f, arguments, this.constructor);
			}
			return f.apply(this, arguments);
		};
		a.prototype = f.prototype;
  } else a = {};
  Object.defineProperty(a, '__esModule', {value: true});
	Object.keys(n).forEach(function (k) {
		var d = Object.getOwnPropertyDescriptor(n, k);
		Object.defineProperty(a, k, d.get ? d : {
			enumerable: true,
			get: function () {
				return n[k];
			}
		});
	});
	return a;
}

var fs$s = {};

var universalify$1 = {};

universalify$1.fromCallback = function (fn) {
  return Object.defineProperty(function (...args) {
    if (typeof args[args.length - 1] === 'function') fn.apply(this, args);
    else {
      return new Promise((resolve, reject) => {
        args.push((err, res) => (err != null) ? reject(err) : resolve(res));
        fn.apply(this, args);
      })
    }
  }, 'name', { value: fn.name })
};

universalify$1.fromPromise = function (fn) {
  return Object.defineProperty(function (...args) {
    const cb = args[args.length - 1];
    if (typeof cb !== 'function') return fn.apply(this, args)
    else {
      args.pop();
      fn.apply(this, args).then(r => cb(null, r), cb);
    }
  }, 'name', { value: fn.name })
};

var constants$5 = require$$0$1;

var origCwd = process.cwd;
var cwd = null;

var platform$1 = process.env.GRACEFUL_FS_PLATFORM || process.platform;

process.cwd = function() {
  if (!cwd)
    cwd = origCwd.call(process);
  return cwd
};
try {
  process.cwd();
} catch (er) {}

// This check is needed until node.js 12 is required
if (typeof process.chdir === 'function') {
  var chdir = process.chdir;
  process.chdir = function (d) {
    cwd = null;
    chdir.call(process, d);
  };
  if (Object.setPrototypeOf) Object.setPrototypeOf(process.chdir, chdir);
}

var polyfills$1 = patch$1;

function patch$1 (fs) {
  // (re-)implement some things that are known busted or missing.

  // lchmod, broken prior to 0.6.2
  // back-port the fix here.
  if (constants$5.hasOwnProperty('O_SYMLINK') &&
      process.version.match(/^v0\.6\.[0-2]|^v0\.5\./)) {
    patchLchmod(fs);
  }

  // lutimes implementation, or no-op
  if (!fs.lutimes) {
    patchLutimes(fs);
  }

  // https://github.com/isaacs/node-graceful-fs/issues/4
  // Chown should not fail on einval or eperm if non-root.
  // It should not fail on enosys ever, as this just indicates
  // that a fs doesn't support the intended operation.

  fs.chown = chownFix(fs.chown);
  fs.fchown = chownFix(fs.fchown);
  fs.lchown = chownFix(fs.lchown);

  fs.chmod = chmodFix(fs.chmod);
  fs.fchmod = chmodFix(fs.fchmod);
  fs.lchmod = chmodFix(fs.lchmod);

  fs.chownSync = chownFixSync(fs.chownSync);
  fs.fchownSync = chownFixSync(fs.fchownSync);
  fs.lchownSync = chownFixSync(fs.lchownSync);

  fs.chmodSync = chmodFixSync(fs.chmodSync);
  fs.fchmodSync = chmodFixSync(fs.fchmodSync);
  fs.lchmodSync = chmodFixSync(fs.lchmodSync);

  fs.stat = statFix(fs.stat);
  fs.fstat = statFix(fs.fstat);
  fs.lstat = statFix(fs.lstat);

  fs.statSync = statFixSync(fs.statSync);
  fs.fstatSync = statFixSync(fs.fstatSync);
  fs.lstatSync = statFixSync(fs.lstatSync);

  // if lchmod/lchown do not exist, then make them no-ops
  if (fs.chmod && !fs.lchmod) {
    fs.lchmod = function (path, mode, cb) {
      if (cb) process.nextTick(cb);
    };
    fs.lchmodSync = function () {};
  }
  if (fs.chown && !fs.lchown) {
    fs.lchown = function (path, uid, gid, cb) {
      if (cb) process.nextTick(cb);
    };
    fs.lchownSync = function () {};
  }

  // on Windows, A/V software can lock the directory, causing this
  // to fail with an EACCES or EPERM if the directory contains newly
  // created files.  Try again on failure, for up to 60 seconds.

  // Set the timeout this long because some Windows Anti-Virus, such as Parity
  // bit9, may lock files for up to a minute, causing npm package install
  // failures. Also, take care to yield the scheduler. Windows scheduling gives
  // CPU to a busy looping process, which can cause the program causing the lock
  // contention to be starved of CPU by node, so the contention doesn't resolve.
  if (platform$1 === "win32") {
    fs.rename = typeof fs.rename !== 'function' ? fs.rename
    : (function (fs$rename) {
      function rename (from, to, cb) {
        var start = Date.now();
        var backoff = 0;
        fs$rename(from, to, function CB (er) {
          if (er
              && (er.code === "EACCES" || er.code === "EPERM" || er.code === "EBUSY")
              && Date.now() - start < 60000) {
            setTimeout(function() {
              fs.stat(to, function (stater, st) {
                if (stater && stater.code === "ENOENT")
                  fs$rename(from, to, CB);
                else
                  cb(er);
              });
            }, backoff);
            if (backoff < 100)
              backoff += 10;
            return;
          }
          if (cb) cb(er);
        });
      }
      if (Object.setPrototypeOf) Object.setPrototypeOf(rename, fs$rename);
      return rename
    })(fs.rename);
  }

  // if read() returns EAGAIN, then just try it again.
  fs.read = typeof fs.read !== 'function' ? fs.read
  : (function (fs$read) {
    function read (fd, buffer, offset, length, position, callback_) {
      var callback;
      if (callback_ && typeof callback_ === 'function') {
        var eagCounter = 0;
        callback = function (er, _, __) {
          if (er && er.code === 'EAGAIN' && eagCounter < 10) {
            eagCounter ++;
            return fs$read.call(fs, fd, buffer, offset, length, position, callback)
          }
          callback_.apply(this, arguments);
        };
      }
      return fs$read.call(fs, fd, buffer, offset, length, position, callback)
    }

    // This ensures `util.promisify` works as it does for native `fs.read`.
    if (Object.setPrototypeOf) Object.setPrototypeOf(read, fs$read);
    return read
  })(fs.read);

  fs.readSync = typeof fs.readSync !== 'function' ? fs.readSync
  : (function (fs$readSync) { return function (fd, buffer, offset, length, position) {
    var eagCounter = 0;
    while (true) {
      try {
        return fs$readSync.call(fs, fd, buffer, offset, length, position)
      } catch (er) {
        if (er.code === 'EAGAIN' && eagCounter < 10) {
          eagCounter ++;
          continue
        }
        throw er
      }
    }
  }})(fs.readSync);

  function patchLchmod (fs) {
    fs.lchmod = function (path, mode, callback) {
      fs.open( path
             , constants$5.O_WRONLY | constants$5.O_SYMLINK
             , mode
             , function (err, fd) {
        if (err) {
          if (callback) callback(err);
          return
        }
        // prefer to return the chmod error, if one occurs,
        // but still try to close, and report closing errors if they occur.
        fs.fchmod(fd, mode, function (err) {
          fs.close(fd, function(err2) {
            if (callback) callback(err || err2);
          });
        });
      });
    };

    fs.lchmodSync = function (path, mode) {
      var fd = fs.openSync(path, constants$5.O_WRONLY | constants$5.O_SYMLINK, mode);

      // prefer to return the chmod error, if one occurs,
      // but still try to close, and report closing errors if they occur.
      var threw = true;
      var ret;
      try {
        ret = fs.fchmodSync(fd, mode);
        threw = false;
      } finally {
        if (threw) {
          try {
            fs.closeSync(fd);
          } catch (er) {}
        } else {
          fs.closeSync(fd);
        }
      }
      return ret
    };
  }

  function patchLutimes (fs) {
    if (constants$5.hasOwnProperty("O_SYMLINK") && fs.futimes) {
      fs.lutimes = function (path, at, mt, cb) {
        fs.open(path, constants$5.O_SYMLINK, function (er, fd) {
          if (er) {
            if (cb) cb(er);
            return
          }
          fs.futimes(fd, at, mt, function (er) {
            fs.close(fd, function (er2) {
              if (cb) cb(er || er2);
            });
          });
        });
      };

      fs.lutimesSync = function (path, at, mt) {
        var fd = fs.openSync(path, constants$5.O_SYMLINK);
        var ret;
        var threw = true;
        try {
          ret = fs.futimesSync(fd, at, mt);
          threw = false;
        } finally {
          if (threw) {
            try {
              fs.closeSync(fd);
            } catch (er) {}
          } else {
            fs.closeSync(fd);
          }
        }
        return ret
      };

    } else if (fs.futimes) {
      fs.lutimes = function (_a, _b, _c, cb) { if (cb) process.nextTick(cb); };
      fs.lutimesSync = function () {};
    }
  }

  function chmodFix (orig) {
    if (!orig) return orig
    return function (target, mode, cb) {
      return orig.call(fs, target, mode, function (er) {
        if (chownErOk(er)) er = null;
        if (cb) cb.apply(this, arguments);
      })
    }
  }

  function chmodFixSync (orig) {
    if (!orig) return orig
    return function (target, mode) {
      try {
        return orig.call(fs, target, mode)
      } catch (er) {
        if (!chownErOk(er)) throw er
      }
    }
  }


  function chownFix (orig) {
    if (!orig) return orig
    return function (target, uid, gid, cb) {
      return orig.call(fs, target, uid, gid, function (er) {
        if (chownErOk(er)) er = null;
        if (cb) cb.apply(this, arguments);
      })
    }
  }

  function chownFixSync (orig) {
    if (!orig) return orig
    return function (target, uid, gid) {
      try {
        return orig.call(fs, target, uid, gid)
      } catch (er) {
        if (!chownErOk(er)) throw er
      }
    }
  }

  function statFix (orig) {
    if (!orig) return orig
    // Older versions of Node erroneously returned signed integers for
    // uid + gid.
    return function (target, options, cb) {
      if (typeof options === 'function') {
        cb = options;
        options = null;
      }
      function callback (er, stats) {
        if (stats) {
          if (stats.uid < 0) stats.uid += 0x100000000;
          if (stats.gid < 0) stats.gid += 0x100000000;
        }
        if (cb) cb.apply(this, arguments);
      }
      return options ? orig.call(fs, target, options, callback)
        : orig.call(fs, target, callback)
    }
  }

  function statFixSync (orig) {
    if (!orig) return orig
    // Older versions of Node erroneously returned signed integers for
    // uid + gid.
    return function (target, options) {
      var stats = options ? orig.call(fs, target, options)
        : orig.call(fs, target);
      if (stats) {
        if (stats.uid < 0) stats.uid += 0x100000000;
        if (stats.gid < 0) stats.gid += 0x100000000;
      }
      return stats;
    }
  }

  // ENOSYS means that the fs doesn't support the op. Just ignore
  // that, because it doesn't matter.
  //
  // if there's no getuid, or if getuid() is something other
  // than 0, and the error is EINVAL or EPERM, then just ignore
  // it.
  //
  // This specific case is a silent failure in cp, install, tar,
  // and most other unix tools that manage permissions.
  //
  // When running as root, or if other types of errors are
  // encountered, then it's strict.
  function chownErOk (er) {
    if (!er)
      return true

    if (er.code === "ENOSYS")
      return true

    var nonroot = !process.getuid || process.getuid() !== 0;
    if (nonroot) {
      if (er.code === "EINVAL" || er.code === "EPERM")
        return true
    }

    return false
  }
}

var Stream$1 = require$$0$2.Stream;

var legacyStreams = legacy$1;

function legacy$1 (fs) {
  return {
    ReadStream: ReadStream,
    WriteStream: WriteStream
  }

  function ReadStream (path, options) {
    if (!(this instanceof ReadStream)) return new ReadStream(path, options);

    Stream$1.call(this);

    var self = this;

    this.path = path;
    this.fd = null;
    this.readable = true;
    this.paused = false;

    this.flags = 'r';
    this.mode = 438; /*=0666*/
    this.bufferSize = 64 * 1024;

    options = options || {};

    // Mixin options into this
    var keys = Object.keys(options);
    for (var index = 0, length = keys.length; index < length; index++) {
      var key = keys[index];
      this[key] = options[key];
    }

    if (this.encoding) this.setEncoding(this.encoding);

    if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.end === undefined) {
        this.end = Infinity;
      } else if ('number' !== typeof this.end) {
        throw TypeError('end must be a Number');
      }

      if (this.start > this.end) {
        throw new Error('start must be <= end');
      }

      this.pos = this.start;
    }

    if (this.fd !== null) {
      process.nextTick(function() {
        self._read();
      });
      return;
    }

    fs.open(this.path, this.flags, this.mode, function (err, fd) {
      if (err) {
        self.emit('error', err);
        self.readable = false;
        return;
      }

      self.fd = fd;
      self.emit('open', fd);
      self._read();
    });
  }

  function WriteStream (path, options) {
    if (!(this instanceof WriteStream)) return new WriteStream(path, options);

    Stream$1.call(this);

    this.path = path;
    this.fd = null;
    this.writable = true;

    this.flags = 'w';
    this.encoding = 'binary';
    this.mode = 438; /*=0666*/
    this.bytesWritten = 0;

    options = options || {};

    // Mixin options into this
    var keys = Object.keys(options);
    for (var index = 0, length = keys.length; index < length; index++) {
      var key = keys[index];
      this[key] = options[key];
    }

    if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.start < 0) {
        throw new Error('start must be >= zero');
      }

      this.pos = this.start;
    }

    this.busy = false;
    this._queue = [];

    if (this.fd === null) {
      this._open = fs.open;
      this._queue.push([this._open, this.path, this.flags, this.mode, undefined]);
      this.flush();
    }
  }
}

var clone_1 = clone$1;

var getPrototypeOf = Object.getPrototypeOf || function (obj) {
  return obj.__proto__
};

function clone$1 (obj) {
  if (obj === null || typeof obj !== 'object')
    return obj

  if (obj instanceof Object)
    var copy = { __proto__: getPrototypeOf(obj) };
  else
    var copy = Object.create(null);

  Object.getOwnPropertyNames(obj).forEach(function (key) {
    Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key));
  });

  return copy
}

var fs$r = fs__default;
var polyfills = polyfills$1;
var legacy = legacyStreams;
var clone = clone_1;

var util$2 = require$$0$3;

/* istanbul ignore next - node 0.x polyfill */
var gracefulQueue;
var previousSymbol;

/* istanbul ignore else - node 0.x polyfill */
if (typeof Symbol === 'function' && typeof Symbol.for === 'function') {
  gracefulQueue = Symbol.for('graceful-fs.queue');
  // This is used in testing by future versions
  previousSymbol = Symbol.for('graceful-fs.previous');
} else {
  gracefulQueue = '___graceful-fs.queue';
  previousSymbol = '___graceful-fs.previous';
}

function noop$2 () {}

function publishQueue(context, queue) {
  Object.defineProperty(context, gracefulQueue, {
    get: function() {
      return queue
    }
  });
}

var debug$3 = noop$2;
if (util$2.debuglog)
  debug$3 = util$2.debuglog('gfs4');
else if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || ''))
  debug$3 = function() {
    var m = util$2.format.apply(util$2, arguments);
    m = 'GFS4: ' + m.split(/\n/).join('\nGFS4: ');
    console.error(m);
  };

// Once time initialization
if (!fs$r[gracefulQueue]) {
  // This queue can be shared by multiple loaded instances
  var queue$1 = commonjsGlobal[gracefulQueue] || [];
  publishQueue(fs$r, queue$1);

  // Patch fs.close/closeSync to shared queue version, because we need
  // to retry() whenever a close happens *anywhere* in the program.
  // This is essential when multiple graceful-fs instances are
  // in play at the same time.
  fs$r.close = (function (fs$close) {
    function close (fd, cb) {
      return fs$close.call(fs$r, fd, function (err) {
        // This function uses the graceful-fs shared queue
        if (!err) {
          resetQueue();
        }

        if (typeof cb === 'function')
          cb.apply(this, arguments);
      })
    }

    Object.defineProperty(close, previousSymbol, {
      value: fs$close
    });
    return close
  })(fs$r.close);

  fs$r.closeSync = (function (fs$closeSync) {
    function closeSync (fd) {
      // This function uses the graceful-fs shared queue
      fs$closeSync.apply(fs$r, arguments);
      resetQueue();
    }

    Object.defineProperty(closeSync, previousSymbol, {
      value: fs$closeSync
    });
    return closeSync
  })(fs$r.closeSync);

  if (/\bgfs4\b/i.test(process.env.NODE_DEBUG || '')) {
    process.on('exit', function() {
      debug$3(fs$r[gracefulQueue]);
      require$$5.equal(fs$r[gracefulQueue].length, 0);
    });
  }
}

if (!commonjsGlobal[gracefulQueue]) {
  publishQueue(commonjsGlobal, fs$r[gracefulQueue]);
}

var gracefulFs = patch(clone(fs$r));
if (process.env.TEST_GRACEFUL_FS_GLOBAL_PATCH && !fs$r.__patched) {
    gracefulFs = patch(fs$r);
    fs$r.__patched = true;
}

function patch (fs) {
  // Everything that references the open() function needs to be in here
  polyfills(fs);
  fs.gracefulify = patch;

  fs.createReadStream = createReadStream;
  fs.createWriteStream = createWriteStream;
  var fs$readFile = fs.readFile;
  fs.readFile = readFile;
  function readFile (path, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$readFile(path, options, cb)

    function go$readFile (path, options, cb, startTime) {
      return fs$readFile(path, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$readFile, [path, options, cb], err, startTime || Date.now(), Date.now()]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
        }
      })
    }
  }

  var fs$writeFile = fs.writeFile;
  fs.writeFile = writeFile;
  function writeFile (path, data, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$writeFile(path, data, options, cb)

    function go$writeFile (path, data, options, cb, startTime) {
      return fs$writeFile(path, data, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$writeFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
        }
      })
    }
  }

  var fs$appendFile = fs.appendFile;
  if (fs$appendFile)
    fs.appendFile = appendFile;
  function appendFile (path, data, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    return go$appendFile(path, data, options, cb)

    function go$appendFile (path, data, options, cb, startTime) {
      return fs$appendFile(path, data, options, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$appendFile, [path, data, options, cb], err, startTime || Date.now(), Date.now()]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
        }
      })
    }
  }

  var fs$copyFile = fs.copyFile;
  if (fs$copyFile)
    fs.copyFile = copyFile;
  function copyFile (src, dest, flags, cb) {
    if (typeof flags === 'function') {
      cb = flags;
      flags = 0;
    }
    return go$copyFile(src, dest, flags, cb)

    function go$copyFile (src, dest, flags, cb, startTime) {
      return fs$copyFile(src, dest, flags, function (err) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$copyFile, [src, dest, flags, cb], err, startTime || Date.now(), Date.now()]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
        }
      })
    }
  }

  var fs$readdir = fs.readdir;
  fs.readdir = readdir;
  var noReaddirOptionVersions = /^v[0-5]\./;
  function readdir (path, options, cb) {
    if (typeof options === 'function')
      cb = options, options = null;

    var go$readdir = noReaddirOptionVersions.test(process.version)
      ? function go$readdir (path, options, cb, startTime) {
        return fs$readdir(path, fs$readdirCallback(
          path, options, cb, startTime
        ))
      }
      : function go$readdir (path, options, cb, startTime) {
        return fs$readdir(path, options, fs$readdirCallback(
          path, options, cb, startTime
        ))
      };

    return go$readdir(path, options, cb)

    function fs$readdirCallback (path, options, cb, startTime) {
      return function (err, files) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([
            go$readdir,
            [path, options, cb],
            err,
            startTime || Date.now(),
            Date.now()
          ]);
        else {
          if (files && files.sort)
            files.sort();

          if (typeof cb === 'function')
            cb.call(this, err, files);
        }
      }
    }
  }

  if (process.version.substr(0, 4) === 'v0.8') {
    var legStreams = legacy(fs);
    ReadStream = legStreams.ReadStream;
    WriteStream = legStreams.WriteStream;
  }

  var fs$ReadStream = fs.ReadStream;
  if (fs$ReadStream) {
    ReadStream.prototype = Object.create(fs$ReadStream.prototype);
    ReadStream.prototype.open = ReadStream$open;
  }

  var fs$WriteStream = fs.WriteStream;
  if (fs$WriteStream) {
    WriteStream.prototype = Object.create(fs$WriteStream.prototype);
    WriteStream.prototype.open = WriteStream$open;
  }

  Object.defineProperty(fs, 'ReadStream', {
    get: function () {
      return ReadStream
    },
    set: function (val) {
      ReadStream = val;
    },
    enumerable: true,
    configurable: true
  });
  Object.defineProperty(fs, 'WriteStream', {
    get: function () {
      return WriteStream
    },
    set: function (val) {
      WriteStream = val;
    },
    enumerable: true,
    configurable: true
  });

  // legacy names
  var FileReadStream = ReadStream;
  Object.defineProperty(fs, 'FileReadStream', {
    get: function () {
      return FileReadStream
    },
    set: function (val) {
      FileReadStream = val;
    },
    enumerable: true,
    configurable: true
  });
  var FileWriteStream = WriteStream;
  Object.defineProperty(fs, 'FileWriteStream', {
    get: function () {
      return FileWriteStream
    },
    set: function (val) {
      FileWriteStream = val;
    },
    enumerable: true,
    configurable: true
  });

  function ReadStream (path, options) {
    if (this instanceof ReadStream)
      return fs$ReadStream.apply(this, arguments), this
    else
      return ReadStream.apply(Object.create(ReadStream.prototype), arguments)
  }

  function ReadStream$open () {
    var that = this;
    open(that.path, that.flags, that.mode, function (err, fd) {
      if (err) {
        if (that.autoClose)
          that.destroy();

        that.emit('error', err);
      } else {
        that.fd = fd;
        that.emit('open', fd);
        that.read();
      }
    });
  }

  function WriteStream (path, options) {
    if (this instanceof WriteStream)
      return fs$WriteStream.apply(this, arguments), this
    else
      return WriteStream.apply(Object.create(WriteStream.prototype), arguments)
  }

  function WriteStream$open () {
    var that = this;
    open(that.path, that.flags, that.mode, function (err, fd) {
      if (err) {
        that.destroy();
        that.emit('error', err);
      } else {
        that.fd = fd;
        that.emit('open', fd);
      }
    });
  }

  function createReadStream (path, options) {
    return new fs.ReadStream(path, options)
  }

  function createWriteStream (path, options) {
    return new fs.WriteStream(path, options)
  }

  var fs$open = fs.open;
  fs.open = open;
  function open (path, flags, mode, cb) {
    if (typeof mode === 'function')
      cb = mode, mode = null;

    return go$open(path, flags, mode, cb)

    function go$open (path, flags, mode, cb, startTime) {
      return fs$open(path, flags, mode, function (err, fd) {
        if (err && (err.code === 'EMFILE' || err.code === 'ENFILE'))
          enqueue([go$open, [path, flags, mode, cb], err, startTime || Date.now(), Date.now()]);
        else {
          if (typeof cb === 'function')
            cb.apply(this, arguments);
        }
      })
    }
  }

  return fs
}

function enqueue (elem) {
  debug$3('ENQUEUE', elem[0].name, elem[1]);
  fs$r[gracefulQueue].push(elem);
  retry();
}

// keep track of the timeout between retry() calls
var retryTimer;

// reset the startTime and lastTime to now
// this resets the start of the 60 second overall timeout as well as the
// delay between attempts so that we'll retry these jobs sooner
function resetQueue () {
  var now = Date.now();
  for (var i = 0; i < fs$r[gracefulQueue].length; ++i) {
    // entries that are only a length of 2 are from an older version, don't
    // bother modifying those since they'll be retried anyway.
    if (fs$r[gracefulQueue][i].length > 2) {
      fs$r[gracefulQueue][i][3] = now; // startTime
      fs$r[gracefulQueue][i][4] = now; // lastTime
    }
  }
  // call retry to make sure we're actively processing the queue
  retry();
}

function retry () {
  // clear the timer and remove it to help prevent unintended concurrency
  clearTimeout(retryTimer);
  retryTimer = undefined;

  if (fs$r[gracefulQueue].length === 0)
    return

  var elem = fs$r[gracefulQueue].shift();
  var fn = elem[0];
  var args = elem[1];
  // these items may be unset if they were added by an older graceful-fs
  var err = elem[2];
  var startTime = elem[3];
  var lastTime = elem[4];

  // if we don't have a startTime we have no way of knowing if we've waited
  // long enough, so go ahead and retry this item now
  if (startTime === undefined) {
    debug$3('RETRY', fn.name, args);
    fn.apply(null, args);
  } else if (Date.now() - startTime >= 60000) {
    // it's been more than 60 seconds total, bail now
    debug$3('TIMEOUT', fn.name, args);
    var cb = args.pop();
    if (typeof cb === 'function')
      cb.call(null, err);
  } else {
    // the amount of time between the last attempt and right now
    var sinceAttempt = Date.now() - lastTime;
    // the amount of time between when we first tried, and when we last tried
    // rounded up to at least 1
    var sinceStart = Math.max(lastTime - startTime, 1);
    // backoff. wait longer than the total time we've been retrying, but only
    // up to a maximum of 100ms
    var desiredDelay = Math.min(sinceStart * 1.2, 100);
    // it's been long enough since the last retry, do it again
    if (sinceAttempt >= desiredDelay) {
      debug$3('RETRY', fn.name, args);
      fn.apply(null, args.concat([startTime]));
    } else {
      // if we can't do this job yet, push it to the end of the queue
      // and let the next iteration check again
      fs$r[gracefulQueue].push(elem);
    }
  }

  // schedule our next run if one isn't already scheduled
  if (retryTimer === undefined) {
    retryTimer = setTimeout(retry, 0);
  }
}

(function (exports) {
	// This is adapted from https://github.com/normalize/mz
	// Copyright (c) 2014-2016 Jonathan Ong me@jongleberry.com and Contributors
	const u = universalify$1.fromCallback;
	const fs = gracefulFs;

	const api = [
	  'access',
	  'appendFile',
	  'chmod',
	  'chown',
	  'close',
	  'copyFile',
	  'fchmod',
	  'fchown',
	  'fdatasync',
	  'fstat',
	  'fsync',
	  'ftruncate',
	  'futimes',
	  'lchmod',
	  'lchown',
	  'link',
	  'lstat',
	  'mkdir',
	  'mkdtemp',
	  'open',
	  'opendir',
	  'readdir',
	  'readFile',
	  'readlink',
	  'realpath',
	  'rename',
	  'rm',
	  'rmdir',
	  'stat',
	  'symlink',
	  'truncate',
	  'unlink',
	  'utimes',
	  'writeFile'
	].filter(key => {
	  // Some commands are not available on some systems. Ex:
	  // fs.cp was added in Node.js v16.7.0
	  // fs.lchown is not available on at least some Linux
	  return typeof fs[key] === 'function'
	});

	// Export cloned fs:
	Object.assign(exports, fs);

	// Universalify async methods:
	api.forEach(method => {
	  exports[method] = u(fs[method]);
	});

	// We differ from mz/fs in that we still ship the old, broken, fs.exists()
	// since we are a drop-in replacement for the native module
	exports.exists = function (filename, callback) {
	  if (typeof callback === 'function') {
	    return fs.exists(filename, callback)
	  }
	  return new Promise(resolve => {
	    return fs.exists(filename, resolve)
	  })
	};

	// fs.read(), fs.write(), fs.readv(), & fs.writev() need special treatment due to multiple callback args

	exports.read = function (fd, buffer, offset, length, position, callback) {
	  if (typeof callback === 'function') {
	    return fs.read(fd, buffer, offset, length, position, callback)
	  }
	  return new Promise((resolve, reject) => {
	    fs.read(fd, buffer, offset, length, position, (err, bytesRead, buffer) => {
	      if (err) return reject(err)
	      resolve({ bytesRead, buffer });
	    });
	  })
	};

	// Function signature can be
	// fs.write(fd, buffer[, offset[, length[, position]]], callback)
	// OR
	// fs.write(fd, string[, position[, encoding]], callback)
	// We need to handle both cases, so we use ...args
	exports.write = function (fd, buffer, ...args) {
	  if (typeof args[args.length - 1] === 'function') {
	    return fs.write(fd, buffer, ...args)
	  }

	  return new Promise((resolve, reject) => {
	    fs.write(fd, buffer, ...args, (err, bytesWritten, buffer) => {
	      if (err) return reject(err)
	      resolve({ bytesWritten, buffer });
	    });
	  })
	};

	// Function signature is
	// s.readv(fd, buffers[, position], callback)
	// We need to handle the optional arg, so we use ...args
	exports.readv = function (fd, buffers, ...args) {
	  if (typeof args[args.length - 1] === 'function') {
	    return fs.readv(fd, buffers, ...args)
	  }

	  return new Promise((resolve, reject) => {
	    fs.readv(fd, buffers, ...args, (err, bytesRead, buffers) => {
	      if (err) return reject(err)
	      resolve({ bytesRead, buffers });
	    });
	  })
	};

	// Function signature is
	// s.writev(fd, buffers[, position], callback)
	// We need to handle the optional arg, so we use ...args
	exports.writev = function (fd, buffers, ...args) {
	  if (typeof args[args.length - 1] === 'function') {
	    return fs.writev(fd, buffers, ...args)
	  }

	  return new Promise((resolve, reject) => {
	    fs.writev(fd, buffers, ...args, (err, bytesWritten, buffers) => {
	      if (err) return reject(err)
	      resolve({ bytesWritten, buffers });
	    });
	  })
	};

	// fs.realpath.native sometimes not available if fs is monkey-patched
	if (typeof fs.realpath.native === 'function') {
	  exports.realpath.native = u(fs.realpath.native);
	} else {
	  process.emitWarning(
	    'fs.realpath.native is not a function. Is fs being monkey-patched?',
	    'Warning', 'fs-extra-WARN0003'
	  );
	} 
} (fs$s));

var makeDir$1 = {};

var utils$u = {};

const path$p = path$q;

// https://github.com/nodejs/node/issues/8987
// https://github.com/libuv/libuv/pull/1088
utils$u.checkPath = function checkPath (pth) {
  if (process.platform === 'win32') {
    const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path$p.parse(pth).root, ''));

    if (pathHasInvalidWinCharacters) {
      const error = new Error(`Path contains invalid characters: ${pth}`);
      error.code = 'EINVAL';
      throw error
    }
  }
};

const fs$q = fs$s;
const { checkPath } = utils$u;

const getMode = options => {
  const defaults = { mode: 0o777 };
  if (typeof options === 'number') return options
  return ({ ...defaults, ...options }).mode
};

makeDir$1.makeDir = async (dir, options) => {
  checkPath(dir);

  return fs$q.mkdir(dir, {
    mode: getMode(options),
    recursive: true
  })
};

makeDir$1.makeDirSync = (dir, options) => {
  checkPath(dir);

  return fs$q.mkdirSync(dir, {
    mode: getMode(options),
    recursive: true
  })
};

const u$f = universalify$1.fromPromise;
const { makeDir: _makeDir, makeDirSync } = makeDir$1;
const makeDir = u$f(_makeDir);

var mkdirs$2 = {
  mkdirs: makeDir,
  mkdirsSync: makeDirSync,
  // alias
  mkdirp: makeDir,
  mkdirpSync: makeDirSync,
  ensureDir: makeDir,
  ensureDirSync: makeDirSync
};

const u$e = universalify$1.fromPromise;
const fs$p = fs$s;

function pathExists$6 (path) {
  return fs$p.access(path).then(() => true).catch(() => false)
}

var pathExists_1 = {
  pathExists: u$e(pathExists$6),
  pathExistsSync: fs$p.existsSync
};

const fs$o = fs$s;
const u$d = universalify$1.fromPromise;

async function utimesMillis$1 (path, atime, mtime) {
  // if (!HAS_MILLIS_RES) return fs.utimes(path, atime, mtime, callback)
  const fd = await fs$o.open(path, 'r+');

  let closeErr = null;

  try {
    await fs$o.futimes(fd, atime, mtime);
  } finally {
    try {
      await fs$o.close(fd);
    } catch (e) {
      closeErr = e;
    }
  }

  if (closeErr) {
    throw closeErr
  }
}

function utimesMillisSync$1 (path, atime, mtime) {
  const fd = fs$o.openSync(path, 'r+');
  fs$o.futimesSync(fd, atime, mtime);
  return fs$o.closeSync(fd)
}

var utimes = {
  utimesMillis: u$d(utimesMillis$1),
  utimesMillisSync: utimesMillisSync$1
};

const fs$n = fs$s;
const path$o = path$q;
const u$c = universalify$1.fromPromise;

function getStats$1 (src, dest, opts) {
  const statFunc = opts.dereference
    ? (file) => fs$n.stat(file, { bigint: true })
    : (file) => fs$n.lstat(file, { bigint: true });
  return Promise.all([
    statFunc(src),
    statFunc(dest).catch(err => {
      if (err.code === 'ENOENT') return null
      throw err
    })
  ]).then(([srcStat, destStat]) => ({ srcStat, destStat }))
}

function getStatsSync (src, dest, opts) {
  let destStat;
  const statFunc = opts.dereference
    ? (file) => fs$n.statSync(file, { bigint: true })
    : (file) => fs$n.lstatSync(file, { bigint: true });
  const srcStat = statFunc(src);
  try {
    destStat = statFunc(dest);
  } catch (err) {
    if (err.code === 'ENOENT') return { srcStat, destStat: null }
    throw err
  }
  return { srcStat, destStat }
}

async function checkPaths (src, dest, funcName, opts) {
  const { srcStat, destStat } = await getStats$1(src, dest, opts);
  if (destStat) {
    if (areIdentical$2(srcStat, destStat)) {
      const srcBaseName = path$o.basename(src);
      const destBaseName = path$o.basename(dest);
      if (funcName === 'move' &&
        srcBaseName !== destBaseName &&
        srcBaseName.toLowerCase() === destBaseName.toLowerCase()) {
        return { srcStat, destStat, isChangingCase: true }
      }
      throw new Error('Source and destination must not be the same.')
    }
    if (srcStat.isDirectory() && !destStat.isDirectory()) {
      throw new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`)
    }
    if (!srcStat.isDirectory() && destStat.isDirectory()) {
      throw new Error(`Cannot overwrite directory '${dest}' with non-directory '${src}'.`)
    }
  }

  if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
    throw new Error(errMsg(src, dest, funcName))
  }

  return { srcStat, destStat }
}

function checkPathsSync (src, dest, funcName, opts) {
  const { srcStat, destStat } = getStatsSync(src, dest, opts);

  if (destStat) {
    if (areIdentical$2(srcStat, destStat)) {
      const srcBaseName = path$o.basename(src);
      const destBaseName = path$o.basename(dest);
      if (funcName === 'move' &&
        srcBaseName !== destBaseName &&
        srcBaseName.toLowerCase() === destBaseName.toLowerCase()) {
        return { srcStat, destStat, isChangingCase: true }
      }
      throw new Error('Source and destination must not be the same.')
    }
    if (srcStat.isDirectory() && !destStat.isDirectory()) {
      throw new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`)
    }
    if (!srcStat.isDirectory() && destStat.isDirectory()) {
      throw new Error(`Cannot overwrite directory '${dest}' with non-directory '${src}'.`)
    }
  }

  if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
    throw new Error(errMsg(src, dest, funcName))
  }
  return { srcStat, destStat }
}

// recursively check if dest parent is a subdirectory of src.
// It works for all file types including symlinks since it
// checks the src and dest inodes. It starts from the deepest
// parent and stops once it reaches the src parent or the root path.
async function checkParentPaths (src, srcStat, dest, funcName) {
  const srcParent = path$o.resolve(path$o.dirname(src));
  const destParent = path$o.resolve(path$o.dirname(dest));
  if (destParent === srcParent || destParent === path$o.parse(destParent).root) return

  let destStat;
  try {
    destStat = await fs$n.stat(destParent, { bigint: true });
  } catch (err) {
    if (err.code === 'ENOENT') return
    throw err
  }

  if (areIdentical$2(srcStat, destStat)) {
    throw new Error(errMsg(src, dest, funcName))
  }

  return checkParentPaths(src, srcStat, destParent, funcName)
}

function checkParentPathsSync (src, srcStat, dest, funcName) {
  const srcParent = path$o.resolve(path$o.dirname(src));
  const destParent = path$o.resolve(path$o.dirname(dest));
  if (destParent === srcParent || destParent === path$o.parse(destParent).root) return
  let destStat;
  try {
    destStat = fs$n.statSync(destParent, { bigint: true });
  } catch (err) {
    if (err.code === 'ENOENT') return
    throw err
  }
  if (areIdentical$2(srcStat, destStat)) {
    throw new Error(errMsg(src, dest, funcName))
  }
  return checkParentPathsSync(src, srcStat, destParent, funcName)
}

function areIdentical$2 (srcStat, destStat) {
  return destStat.ino && destStat.dev && destStat.ino === srcStat.ino && destStat.dev === srcStat.dev
}

// return true if dest is a subdir of src, otherwise false.
// It only checks the path strings.
function isSrcSubdir (src, dest) {
  const srcArr = path$o.resolve(src).split(path$o.sep).filter(i => i);
  const destArr = path$o.resolve(dest).split(path$o.sep).filter(i => i);
  return srcArr.every((cur, i) => destArr[i] === cur)
}

function errMsg (src, dest, funcName) {
  return `Cannot ${funcName} '${src}' to a subdirectory of itself, '${dest}'.`
}

var stat$7 = {
  // checkPaths
  checkPaths: u$c(checkPaths),
  checkPathsSync,
  // checkParent
  checkParentPaths: u$c(checkParentPaths),
  checkParentPathsSync,
  // Misc
  isSrcSubdir,
  areIdentical: areIdentical$2
};

const fs$m = fs$s;
const path$n = path$q;
const { mkdirs: mkdirs$1 } = mkdirs$2;
const { pathExists: pathExists$5 } = pathExists_1;
const { utimesMillis } = utimes;
const stat$6 = stat$7;

async function copy$2 (src, dest, opts = {}) {
  if (typeof opts === 'function') {
    opts = { filter: opts };
  }

  opts.clobber = 'clobber' in opts ? !!opts.clobber : true; // default to true for now
  opts.overwrite = 'overwrite' in opts ? !!opts.overwrite : opts.clobber; // overwrite falls back to clobber

  // Warn about using preserveTimestamps on 32-bit node
  if (opts.preserveTimestamps && process.arch === 'ia32') {
    process.emitWarning(
      'Using the preserveTimestamps option in 32-bit node is not recommended;\n\n' +
      '\tsee https://github.com/jprichardson/node-fs-extra/issues/269',
      'Warning', 'fs-extra-WARN0001'
    );
  }

  const { srcStat, destStat } = await stat$6.checkPaths(src, dest, 'copy', opts);

  await stat$6.checkParentPaths(src, srcStat, dest, 'copy');

  const include = await runFilter(src, dest, opts);

  if (!include) return

  // check if the parent of dest exists, and create it if it doesn't exist
  const destParent = path$n.dirname(dest);
  const dirExists = await pathExists$5(destParent);
  if (!dirExists) {
    await mkdirs$1(destParent);
  }

  await getStatsAndPerformCopy(destStat, src, dest, opts);
}

async function runFilter (src, dest, opts) {
  if (!opts.filter) return true
  return opts.filter(src, dest)
}

async function getStatsAndPerformCopy (destStat, src, dest, opts) {
  const statFn = opts.dereference ? fs$m.stat : fs$m.lstat;
  const srcStat = await statFn(src);

  if (srcStat.isDirectory()) return onDir$1(srcStat, destStat, src, dest, opts)

  if (
    srcStat.isFile() ||
    srcStat.isCharacterDevice() ||
    srcStat.isBlockDevice()
  ) return onFile$1(srcStat, destStat, src, dest, opts)

  if (srcStat.isSymbolicLink()) return onLink$1(destStat, src, dest, opts)
  if (srcStat.isSocket()) throw new Error(`Cannot copy a socket file: ${src}`)
  if (srcStat.isFIFO()) throw new Error(`Cannot copy a FIFO pipe: ${src}`)
  throw new Error(`Unknown file: ${src}`)
}

async function onFile$1 (srcStat, destStat, src, dest, opts) {
  if (!destStat) return copyFile$1(srcStat, src, dest, opts)

  if (opts.overwrite) {
    await fs$m.unlink(dest);
    return copyFile$1(srcStat, src, dest, opts)
  }
  if (opts.errorOnExist) {
    throw new Error(`'${dest}' already exists`)
  }
}

async function copyFile$1 (srcStat, src, dest, opts) {
  await fs$m.copyFile(src, dest);
  if (opts.preserveTimestamps) {
    // Make sure the file is writable before setting the timestamp
    // otherwise open fails with EPERM when invoked with 'r+'
    // (through utimes call)
    if (fileIsNotWritable$1(srcStat.mode)) {
      await makeFileWritable$1(dest, srcStat.mode);
    }

    // Set timestamps and mode correspondingly

    // Note that The initial srcStat.atime cannot be trusted
    // because it is modified by the read(2) system call
    // (See https://nodejs.org/api/fs.html#fs_stat_time_values)
    const updatedSrcStat = await fs$m.stat(src);
    await utimesMillis(dest, updatedSrcStat.atime, updatedSrcStat.mtime);
  }

  return fs$m.chmod(dest, srcStat.mode)
}

function fileIsNotWritable$1 (srcMode) {
  return (srcMode & 0o200) === 0
}

function makeFileWritable$1 (dest, srcMode) {
  return fs$m.chmod(dest, srcMode | 0o200)
}

async function onDir$1 (srcStat, destStat, src, dest, opts) {
  // the dest directory might not exist, create it
  if (!destStat) {
    await fs$m.mkdir(dest);
  }

  const items = await fs$m.readdir(src);

  // loop through the files in the current directory to copy everything
  await Promise.all(items.map(async item => {
    const srcItem = path$n.join(src, item);
    const destItem = path$n.join(dest, item);

    // skip the item if it is matches by the filter function
    const include = await runFilter(srcItem, destItem, opts);
    if (!include) return

    const { destStat } = await stat$6.checkPaths(srcItem, destItem, 'copy', opts);

    // If the item is a copyable file, `getStatsAndPerformCopy` will copy it
    // If the item is a directory, `getStatsAndPerformCopy` will call `onDir` recursively
    return getStatsAndPerformCopy(destStat, srcItem, destItem, opts)
  }));

  if (!destStat) {
    await fs$m.chmod(dest, srcStat.mode);
  }
}

async function onLink$1 (destStat, src, dest, opts) {
  let resolvedSrc = await fs$m.readlink(src);
  if (opts.dereference) {
    resolvedSrc = path$n.resolve(process.cwd(), resolvedSrc);
  }
  if (!destStat) {
    return fs$m.symlink(resolvedSrc, dest)
  }

  let resolvedDest = null;
  try {
    resolvedDest = await fs$m.readlink(dest);
  } catch (e) {
    // dest exists and is a regular file or directory,
    // Windows may throw UNKNOWN error. If dest already exists,
    // fs throws error anyway, so no need to guard against it here.
    if (e.code === 'EINVAL' || e.code === 'UNKNOWN') return fs$m.symlink(resolvedSrc, dest)
    throw e
  }
  if (opts.dereference) {
    resolvedDest = path$n.resolve(process.cwd(), resolvedDest);
  }
  if (stat$6.isSrcSubdir(resolvedSrc, resolvedDest)) {
    throw new Error(`Cannot copy '${resolvedSrc}' to a subdirectory of itself, '${resolvedDest}'.`)
  }

  // do not copy if src is a subdir of dest since unlinking
  // dest in this case would result in removing src contents
  // and therefore a broken symlink would be created.
  if (stat$6.isSrcSubdir(resolvedDest, resolvedSrc)) {
    throw new Error(`Cannot overwrite '${resolvedDest}' with '${resolvedSrc}'.`)
  }

  // copy the link
  await fs$m.unlink(dest);
  return fs$m.symlink(resolvedSrc, dest)
}

var copy_1 = copy$2;

const fs$l = gracefulFs;
const path$m = path$q;
const mkdirsSync$1 = mkdirs$2.mkdirsSync;
const utimesMillisSync = utimes.utimesMillisSync;
const stat$5 = stat$7;

function copySync$1 (src, dest, opts) {
  if (typeof opts === 'function') {
    opts = { filter: opts };
  }

  opts = opts || {};
  opts.clobber = 'clobber' in opts ? !!opts.clobber : true; // default to true for now
  opts.overwrite = 'overwrite' in opts ? !!opts.overwrite : opts.clobber; // overwrite falls back to clobber

  // Warn about using preserveTimestamps on 32-bit node
  if (opts.preserveTimestamps && process.arch === 'ia32') {
    process.emitWarning(
      'Using the preserveTimestamps option in 32-bit node is not recommended;\n\n' +
      '\tsee https://github.com/jprichardson/node-fs-extra/issues/269',
      'Warning', 'fs-extra-WARN0002'
    );
  }

  const { srcStat, destStat } = stat$5.checkPathsSync(src, dest, 'copy', opts);
  stat$5.checkParentPathsSync(src, srcStat, dest, 'copy');
  if (opts.filter && !opts.filter(src, dest)) return
  const destParent = path$m.dirname(dest);
  if (!fs$l.existsSync(destParent)) mkdirsSync$1(destParent);
  return getStats(destStat, src, dest, opts)
}

function getStats (destStat, src, dest, opts) {
  const statSync = opts.dereference ? fs$l.statSync : fs$l.lstatSync;
  const srcStat = statSync(src);

  if (srcStat.isDirectory()) return onDir(srcStat, destStat, src, dest, opts)
  else if (srcStat.isFile() ||
           srcStat.isCharacterDevice() ||
           srcStat.isBlockDevice()) return onFile(srcStat, destStat, src, dest, opts)
  else if (srcStat.isSymbolicLink()) return onLink(destStat, src, dest, opts)
  else if (srcStat.isSocket()) throw new Error(`Cannot copy a socket file: ${src}`)
  else if (srcStat.isFIFO()) throw new Error(`Cannot copy a FIFO pipe: ${src}`)
  throw new Error(`Unknown file: ${src}`)
}

function onFile (srcStat, destStat, src, dest, opts) {
  if (!destStat) return copyFile(srcStat, src, dest, opts)
  return mayCopyFile(srcStat, src, dest, opts)
}

function mayCopyFile (srcStat, src, dest, opts) {
  if (opts.overwrite) {
    fs$l.unlinkSync(dest);
    return copyFile(srcStat, src, dest, opts)
  } else if (opts.errorOnExist) {
    throw new Error(`'${dest}' already exists`)
  }
}

function copyFile (srcStat, src, dest, opts) {
  fs$l.copyFileSync(src, dest);
  if (opts.preserveTimestamps) handleTimestamps(srcStat.mode, src, dest);
  return setDestMode(dest, srcStat.mode)
}

function handleTimestamps (srcMode, src, dest) {
  // Make sure the file is writable before setting the timestamp
  // otherwise open fails with EPERM when invoked with 'r+'
  // (through utimes call)
  if (fileIsNotWritable(srcMode)) makeFileWritable(dest, srcMode);
  return setDestTimestamps(src, dest)
}

function fileIsNotWritable (srcMode) {
  return (srcMode & 0o200) === 0
}

function makeFileWritable (dest, srcMode) {
  return setDestMode(dest, srcMode | 0o200)
}

function setDestMode (dest, srcMode) {
  return fs$l.chmodSync(dest, srcMode)
}

function setDestTimestamps (src, dest) {
  // The initial srcStat.atime cannot be trusted
  // because it is modified by the read(2) system call
  // (See https://nodejs.org/api/fs.html#fs_stat_time_values)
  const updatedSrcStat = fs$l.statSync(src);
  return utimesMillisSync(dest, updatedSrcStat.atime, updatedSrcStat.mtime)
}

function onDir (srcStat, destStat, src, dest, opts) {
  if (!destStat) return mkDirAndCopy(srcStat.mode, src, dest, opts)
  return copyDir(src, dest, opts)
}

function mkDirAndCopy (srcMode, src, dest, opts) {
  fs$l.mkdirSync(dest);
  copyDir(src, dest, opts);
  return setDestMode(dest, srcMode)
}

function copyDir (src, dest, opts) {
  fs$l.readdirSync(src).forEach(item => copyDirItem(item, src, dest, opts));
}

function copyDirItem (item, src, dest, opts) {
  const srcItem = path$m.join(src, item);
  const destItem = path$m.join(dest, item);
  if (opts.filter && !opts.filter(srcItem, destItem)) return
  const { destStat } = stat$5.checkPathsSync(srcItem, destItem, 'copy', opts);
  return getStats(destStat, srcItem, destItem, opts)
}

function onLink (destStat, src, dest, opts) {
  let resolvedSrc = fs$l.readlinkSync(src);
  if (opts.dereference) {
    resolvedSrc = path$m.resolve(process.cwd(), resolvedSrc);
  }

  if (!destStat) {
    return fs$l.symlinkSync(resolvedSrc, dest)
  } else {
    let resolvedDest;
    try {
      resolvedDest = fs$l.readlinkSync(dest);
    } catch (err) {
      // dest exists and is a regular file or directory,
      // Windows may throw UNKNOWN error. If dest already exists,
      // fs throws error anyway, so no need to guard against it here.
      if (err.code === 'EINVAL' || err.code === 'UNKNOWN') return fs$l.symlinkSync(resolvedSrc, dest)
      throw err
    }
    if (opts.dereference) {
      resolvedDest = path$m.resolve(process.cwd(), resolvedDest);
    }
    if (stat$5.isSrcSubdir(resolvedSrc, resolvedDest)) {
      throw new Error(`Cannot copy '${resolvedSrc}' to a subdirectory of itself, '${resolvedDest}'.`)
    }

    // prevent copy if src is a subdir of dest since unlinking
    // dest in this case would result in removing src contents
    // and therefore a broken symlink would be created.
    if (stat$5.isSrcSubdir(resolvedDest, resolvedSrc)) {
      throw new Error(`Cannot overwrite '${resolvedDest}' with '${resolvedSrc}'.`)
    }
    return copyLink(resolvedSrc, dest)
  }
}

function copyLink (resolvedSrc, dest) {
  fs$l.unlinkSync(dest);
  return fs$l.symlinkSync(resolvedSrc, dest)
}

var copySync_1 = copySync$1;

const u$b = universalify$1.fromPromise;
var copy$1 = {
  copy: u$b(copy_1),
  copySync: copySync_1
};

const fs$k = gracefulFs;
const u$a = universalify$1.fromCallback;

function remove$2 (path, callback) {
  fs$k.rm(path, { recursive: true, force: true }, callback);
}

function removeSync$1 (path) {
  fs$k.rmSync(path, { recursive: true, force: true });
}

var remove_1 = {
  remove: u$a(remove$2),
  removeSync: removeSync$1
};

const u$9 = universalify$1.fromPromise;
const fs$j = fs$s;
const path$l = path$q;
const mkdir$4 = mkdirs$2;
const remove$1 = remove_1;

const emptyDir = u$9(async function emptyDir (dir) {
  let items;
  try {
    items = await fs$j.readdir(dir);
  } catch {
    return mkdir$4.mkdirs(dir)
  }

  return Promise.all(items.map(item => remove$1.remove(path$l.join(dir, item))))
});

function emptyDirSync (dir) {
  let items;
  try {
    items = fs$j.readdirSync(dir);
  } catch {
    return mkdir$4.mkdirsSync(dir)
  }

  items.forEach(item => {
    item = path$l.join(dir, item);
    remove$1.removeSync(item);
  });
}

var empty = {
  emptyDirSync,
  emptydirSync: emptyDirSync,
  emptyDir,
  emptydir: emptyDir
};

const u$8 = universalify$1.fromPromise;
const path$k = path$q;
const fs$i = fs$s;
const mkdir$3 = mkdirs$2;

async function createFile$1 (file) {
  let stats;
  try {
    stats = await fs$i.stat(file);
  } catch { }
  if (stats && stats.isFile()) return

  const dir = path$k.dirname(file);

  let dirStats = null;
  try {
    dirStats = await fs$i.stat(dir);
  } catch (err) {
    // if the directory doesn't exist, make it
    if (err.code === 'ENOENT') {
      await mkdir$3.mkdirs(dir);
      await fs$i.writeFile(file, '');
      return
    } else {
      throw err
    }
  }

  if (dirStats.isDirectory()) {
    await fs$i.writeFile(file, '');
  } else {
    // parent is not a directory
    // This is just to cause an internal ENOTDIR error to be thrown
    await fs$i.readdir(dir);
  }
}

function createFileSync$1 (file) {
  let stats;
  try {
    stats = fs$i.statSync(file);
  } catch { }
  if (stats && stats.isFile()) return

  const dir = path$k.dirname(file);
  try {
    if (!fs$i.statSync(dir).isDirectory()) {
      // parent is not a directory
      // This is just to cause an internal ENOTDIR error to be thrown
      fs$i.readdirSync(dir);
    }
  } catch (err) {
    // If the stat call above failed because the directory doesn't exist, create it
    if (err && err.code === 'ENOENT') mkdir$3.mkdirsSync(dir);
    else throw err
  }

  fs$i.writeFileSync(file, '');
}

var file = {
  createFile: u$8(createFile$1),
  createFileSync: createFileSync$1
};

const u$7 = universalify$1.fromPromise;
const path$j = path$q;
const fs$h = fs$s;
const mkdir$2 = mkdirs$2;
const { pathExists: pathExists$4 } = pathExists_1;
const { areIdentical: areIdentical$1 } = stat$7;

async function createLink$1 (srcpath, dstpath) {
  let dstStat;
  try {
    dstStat = await fs$h.lstat(dstpath);
  } catch {
    // ignore error
  }

  let srcStat;
  try {
    srcStat = await fs$h.lstat(srcpath);
  } catch (err) {
    err.message = err.message.replace('lstat', 'ensureLink');
    throw err
  }

  if (dstStat && areIdentical$1(srcStat, dstStat)) return

  const dir = path$j.dirname(dstpath);

  const dirExists = await pathExists$4(dir);

  if (!dirExists) {
    await mkdir$2.mkdirs(dir);
  }

  await fs$h.link(srcpath, dstpath);
}

function createLinkSync$1 (srcpath, dstpath) {
  let dstStat;
  try {
    dstStat = fs$h.lstatSync(dstpath);
  } catch {}

  try {
    const srcStat = fs$h.lstatSync(srcpath);
    if (dstStat && areIdentical$1(srcStat, dstStat)) return
  } catch (err) {
    err.message = err.message.replace('lstat', 'ensureLink');
    throw err
  }

  const dir = path$j.dirname(dstpath);
  const dirExists = fs$h.existsSync(dir);
  if (dirExists) return fs$h.linkSync(srcpath, dstpath)
  mkdir$2.mkdirsSync(dir);

  return fs$h.linkSync(srcpath, dstpath)
}

var link$1 = {
  createLink: u$7(createLink$1),
  createLinkSync: createLinkSync$1
};

const path$i = path$q;
const fs$g = fs$s;
const { pathExists: pathExists$3 } = pathExists_1;

const u$6 = universalify$1.fromPromise;

/**
 * Function that returns two types of paths, one relative to symlink, and one
 * relative to the current working directory. Checks if path is absolute or
 * relative. If the path is relative, this function checks if the path is
 * relative to symlink or relative to current working directory. This is an
 * initiative to find a smarter `srcpath` to supply when building symlinks.
 * This allows you to determine which path to use out of one of three possible
 * types of source paths. The first is an absolute path. This is detected by
 * `path.isAbsolute()`. When an absolute path is provided, it is checked to
 * see if it exists. If it does it's used, if not an error is returned
 * (callback)/ thrown (sync). The other two options for `srcpath` are a
 * relative url. By default Node's `fs.symlink` works by creating a symlink
 * using `dstpath` and expects the `srcpath` to be relative to the newly
 * created symlink. If you provide a `srcpath` that does not exist on the file
 * system it results in a broken symlink. To minimize this, the function
 * checks to see if the 'relative to symlink' source file exists, and if it
 * does it will use it. If it does not, it checks if there's a file that
 * exists that is relative to the current working directory, if does its used.
 * This preserves the expectations of the original fs.symlink spec and adds
 * the ability to pass in `relative to current working direcotry` paths.
 */

async function symlinkPaths$1 (srcpath, dstpath) {
  if (path$i.isAbsolute(srcpath)) {
    try {
      await fs$g.lstat(srcpath);
    } catch (err) {
      err.message = err.message.replace('lstat', 'ensureSymlink');
      throw err
    }

    return {
      toCwd: srcpath,
      toDst: srcpath
    }
  }

  const dstdir = path$i.dirname(dstpath);
  const relativeToDst = path$i.join(dstdir, srcpath);

  const exists = await pathExists$3(relativeToDst);
  if (exists) {
    return {
      toCwd: relativeToDst,
      toDst: srcpath
    }
  }

  try {
    await fs$g.lstat(srcpath);
  } catch (err) {
    err.message = err.message.replace('lstat', 'ensureSymlink');
    throw err
  }

  return {
    toCwd: srcpath,
    toDst: path$i.relative(dstdir, srcpath)
  }
}

function symlinkPathsSync$1 (srcpath, dstpath) {
  if (path$i.isAbsolute(srcpath)) {
    const exists = fs$g.existsSync(srcpath);
    if (!exists) throw new Error('absolute srcpath does not exist')
    return {
      toCwd: srcpath,
      toDst: srcpath
    }
  }

  const dstdir = path$i.dirname(dstpath);
  const relativeToDst = path$i.join(dstdir, srcpath);
  const exists = fs$g.existsSync(relativeToDst);
  if (exists) {
    return {
      toCwd: relativeToDst,
      toDst: srcpath
    }
  }

  const srcExists = fs$g.existsSync(srcpath);
  if (!srcExists) throw new Error('relative srcpath does not exist')
  return {
    toCwd: srcpath,
    toDst: path$i.relative(dstdir, srcpath)
  }
}

var symlinkPaths_1 = {
  symlinkPaths: u$6(symlinkPaths$1),
  symlinkPathsSync: symlinkPathsSync$1
};

const fs$f = fs$s;
const u$5 = universalify$1.fromPromise;

async function symlinkType$1 (srcpath, type) {
  if (type) return type

  let stats;
  try {
    stats = await fs$f.lstat(srcpath);
  } catch {
    return 'file'
  }

  return (stats && stats.isDirectory()) ? 'dir' : 'file'
}

function symlinkTypeSync$1 (srcpath, type) {
  if (type) return type

  let stats;
  try {
    stats = fs$f.lstatSync(srcpath);
  } catch {
    return 'file'
  }
  return (stats && stats.isDirectory()) ? 'dir' : 'file'
}

var symlinkType_1 = {
  symlinkType: u$5(symlinkType$1),
  symlinkTypeSync: symlinkTypeSync$1
};

const u$4 = universalify$1.fromPromise;
const path$h = path$q;
const fs$e = fs$s;

const { mkdirs, mkdirsSync } = mkdirs$2;

const { symlinkPaths, symlinkPathsSync } = symlinkPaths_1;
const { symlinkType, symlinkTypeSync } = symlinkType_1;

const { pathExists: pathExists$2 } = pathExists_1;

const { areIdentical } = stat$7;

async function createSymlink$1 (srcpath, dstpath, type) {
  let stats;
  try {
    stats = await fs$e.lstat(dstpath);
  } catch { }

  if (stats && stats.isSymbolicLink()) {
    const [srcStat, dstStat] = await Promise.all([
      fs$e.stat(srcpath),
      fs$e.stat(dstpath)
    ]);

    if (areIdentical(srcStat, dstStat)) return
  }

  const relative = await symlinkPaths(srcpath, dstpath);
  srcpath = relative.toDst;
  const toType = await symlinkType(relative.toCwd, type);
  const dir = path$h.dirname(dstpath);

  if (!(await pathExists$2(dir))) {
    await mkdirs(dir);
  }

  return fs$e.symlink(srcpath, dstpath, toType)
}

function createSymlinkSync$1 (srcpath, dstpath, type) {
  let stats;
  try {
    stats = fs$e.lstatSync(dstpath);
  } catch { }
  if (stats && stats.isSymbolicLink()) {
    const srcStat = fs$e.statSync(srcpath);
    const dstStat = fs$e.statSync(dstpath);
    if (areIdentical(srcStat, dstStat)) return
  }

  const relative = symlinkPathsSync(srcpath, dstpath);
  srcpath = relative.toDst;
  type = symlinkTypeSync(relative.toCwd, type);
  const dir = path$h.dirname(dstpath);
  const exists = fs$e.existsSync(dir);
  if (exists) return fs$e.symlinkSync(srcpath, dstpath, type)
  mkdirsSync(dir);
  return fs$e.symlinkSync(srcpath, dstpath, type)
}

var symlink = {
  createSymlink: u$4(createSymlink$1),
  createSymlinkSync: createSymlinkSync$1
};

const { createFile, createFileSync } = file;
const { createLink, createLinkSync } = link$1;
const { createSymlink, createSymlinkSync } = symlink;

var ensure = {
  // file
  createFile,
  createFileSync,
  ensureFile: createFile,
  ensureFileSync: createFileSync,
  // link
  createLink,
  createLinkSync,
  ensureLink: createLink,
  ensureLinkSync: createLinkSync,
  // symlink
  createSymlink,
  createSymlinkSync,
  ensureSymlink: createSymlink,
  ensureSymlinkSync: createSymlinkSync
};

function stringify$b (obj, { EOL = '\n', finalEOL = true, replacer = null, spaces } = {}) {
  const EOF = finalEOL ? EOL : '';
  const str = JSON.stringify(obj, replacer, spaces);

  return str.replace(/\n/g, EOL) + EOF
}

function stripBom$1 (content) {
  // we do this because JSON.parse would convert it to a utf8 string if encoding wasn't specified
  if (Buffer.isBuffer(content)) content = content.toString('utf8');
  return content.replace(/^\uFEFF/, '')
}

var utils$t = { stringify: stringify$b, stripBom: stripBom$1 };

let _fs;
try {
  _fs = gracefulFs;
} catch (_) {
  _fs = fs__default;
}
const universalify = universalify$1;
const { stringify: stringify$a, stripBom } = utils$t;

async function _readFile (file, options = {}) {
  if (typeof options === 'string') {
    options = { encoding: options };
  }

  const fs = options.fs || _fs;

  const shouldThrow = 'throws' in options ? options.throws : true;

  let data = await universalify.fromCallback(fs.readFile)(file, options);

  data = stripBom(data);

  let obj;
  try {
    obj = JSON.parse(data, options ? options.reviver : null);
  } catch (err) {
    if (shouldThrow) {
      err.message = `${file}: ${err.message}`;
      throw err
    } else {
      return null
    }
  }

  return obj
}

const readFile = universalify.fromPromise(_readFile);

function readFileSync (file, options = {}) {
  if (typeof options === 'string') {
    options = { encoding: options };
  }

  const fs = options.fs || _fs;

  const shouldThrow = 'throws' in options ? options.throws : true;

  try {
    let content = fs.readFileSync(file, options);
    content = stripBom(content);
    return JSON.parse(content, options.reviver)
  } catch (err) {
    if (shouldThrow) {
      err.message = `${file}: ${err.message}`;
      throw err
    } else {
      return null
    }
  }
}

async function _writeFile (file, obj, options = {}) {
  const fs = options.fs || _fs;

  const str = stringify$a(obj, options);

  await universalify.fromCallback(fs.writeFile)(file, str, options);
}

const writeFile = universalify.fromPromise(_writeFile);

function writeFileSync (file, obj, options = {}) {
  const fs = options.fs || _fs;

  const str = stringify$a(obj, options);
  // not sure if fs.writeFileSync returns anything, but just in case
  return fs.writeFileSync(file, str, options)
}

const jsonfile$1 = {
  readFile,
  readFileSync,
  writeFile,
  writeFileSync
};

var jsonfile_1 = jsonfile$1;

const jsonFile$1 = jsonfile_1;

var jsonfile = {
  // jsonfile exports
  readJson: jsonFile$1.readFile,
  readJsonSync: jsonFile$1.readFileSync,
  writeJson: jsonFile$1.writeFile,
  writeJsonSync: jsonFile$1.writeFileSync
};

const u$3 = universalify$1.fromPromise;
const fs$d = fs$s;
const path$g = path$q;
const mkdir$1 = mkdirs$2;
const pathExists$1 = pathExists_1.pathExists;

async function outputFile$1 (file, data, encoding = 'utf-8') {
  const dir = path$g.dirname(file);

  if (!(await pathExists$1(dir))) {
    await mkdir$1.mkdirs(dir);
  }

  return fs$d.writeFile(file, data, encoding)
}

function outputFileSync$1 (file, ...args) {
  const dir = path$g.dirname(file);
  if (!fs$d.existsSync(dir)) {
    mkdir$1.mkdirsSync(dir);
  }

  fs$d.writeFileSync(file, ...args);
}

var outputFile_1 = {
  outputFile: u$3(outputFile$1),
  outputFileSync: outputFileSync$1
};

const { stringify: stringify$9 } = utils$t;
const { outputFile } = outputFile_1;

async function outputJson (file, data, options = {}) {
  const str = stringify$9(data, options);

  await outputFile(file, str, options);
}

var outputJson_1 = outputJson;

const { stringify: stringify$8 } = utils$t;
const { outputFileSync } = outputFile_1;

function outputJsonSync (file, data, options) {
  const str = stringify$8(data, options);

  outputFileSync(file, str, options);
}

var outputJsonSync_1 = outputJsonSync;

const u$2 = universalify$1.fromPromise;
const jsonFile = jsonfile;

jsonFile.outputJson = u$2(outputJson_1);
jsonFile.outputJsonSync = outputJsonSync_1;
// aliases
jsonFile.outputJSON = jsonFile.outputJson;
jsonFile.outputJSONSync = jsonFile.outputJsonSync;
jsonFile.writeJSON = jsonFile.writeJson;
jsonFile.writeJSONSync = jsonFile.writeJsonSync;
jsonFile.readJSON = jsonFile.readJson;
jsonFile.readJSONSync = jsonFile.readJsonSync;

var json$1 = jsonFile;

const fs$c = fs$s;
const path$f = path$q;
const { copy } = copy$1;
const { remove } = remove_1;
const { mkdirp } = mkdirs$2;
const { pathExists } = pathExists_1;
const stat$4 = stat$7;

async function move$1 (src, dest, opts = {}) {
  const overwrite = opts.overwrite || opts.clobber || false;

  const { srcStat, isChangingCase = false } = await stat$4.checkPaths(src, dest, 'move', opts);

  await stat$4.checkParentPaths(src, srcStat, dest, 'move');

  // If the parent of dest is not root, make sure it exists before proceeding
  const destParent = path$f.dirname(dest);
  const parsedParentPath = path$f.parse(destParent);
  if (parsedParentPath.root !== destParent) {
    await mkdirp(destParent);
  }

  return doRename$1(src, dest, overwrite, isChangingCase)
}

async function doRename$1 (src, dest, overwrite, isChangingCase) {
  if (!isChangingCase) {
    if (overwrite) {
      await remove(dest);
    } else if (await pathExists(dest)) {
      throw new Error('dest already exists.')
    }
  }

  try {
    // Try w/ rename first, and try copy + remove if EXDEV
    await fs$c.rename(src, dest);
  } catch (err) {
    if (err.code !== 'EXDEV') {
      throw err
    }
    await moveAcrossDevice$1(src, dest, overwrite);
  }
}

async function moveAcrossDevice$1 (src, dest, overwrite) {
  const opts = {
    overwrite,
    errorOnExist: true,
    preserveTimestamps: true
  };

  await copy(src, dest, opts);
  return remove(src)
}

var move_1 = move$1;

const fs$b = gracefulFs;
const path$e = path$q;
const copySync = copy$1.copySync;
const removeSync = remove_1.removeSync;
const mkdirpSync = mkdirs$2.mkdirpSync;
const stat$3 = stat$7;

function moveSync (src, dest, opts) {
  opts = opts || {};
  const overwrite = opts.overwrite || opts.clobber || false;

  const { srcStat, isChangingCase = false } = stat$3.checkPathsSync(src, dest, 'move', opts);
  stat$3.checkParentPathsSync(src, srcStat, dest, 'move');
  if (!isParentRoot(dest)) mkdirpSync(path$e.dirname(dest));
  return doRename(src, dest, overwrite, isChangingCase)
}

function isParentRoot (dest) {
  const parent = path$e.dirname(dest);
  const parsedPath = path$e.parse(parent);
  return parsedPath.root === parent
}

function doRename (src, dest, overwrite, isChangingCase) {
  if (isChangingCase) return rename$2(src, dest, overwrite)
  if (overwrite) {
    removeSync(dest);
    return rename$2(src, dest, overwrite)
  }
  if (fs$b.existsSync(dest)) throw new Error('dest already exists.')
  return rename$2(src, dest, overwrite)
}

function rename$2 (src, dest, overwrite) {
  try {
    fs$b.renameSync(src, dest);
  } catch (err) {
    if (err.code !== 'EXDEV') throw err
    return moveAcrossDevice(src, dest, overwrite)
  }
}

function moveAcrossDevice (src, dest, overwrite) {
  const opts = {
    overwrite,
    errorOnExist: true,
    preserveTimestamps: true
  };
  copySync(src, dest, opts);
  return removeSync(src)
}

var moveSync_1 = moveSync;

const u$1 = universalify$1.fromPromise;
var move = {
  move: u$1(move_1),
  moveSync: moveSync_1
};

var lib$1 = {
  // Export promiseified graceful-fs:
  ...fs$s,
  // Export extra methods:
  ...copy$1,
  ...empty,
  ...ensure,
  ...json$1,
  ...mkdirs$2,
  ...move,
  ...outputFile_1,
  ...pathExists_1,
  ...remove_1
};

var fs$a = /*@__PURE__*/getDefaultExportFromCjs(lib$1);

async function pMap(
	iterable,
	mapper,
	{
		concurrency = Number.POSITIVE_INFINITY,
		stopOnError = true,
		signal,
	} = {},
) {
	return new Promise((resolve, reject_) => {
		if (iterable[Symbol.iterator] === undefined && iterable[Symbol.asyncIterator] === undefined) {
			throw new TypeError(`Expected \`input\` to be either an \`Iterable\` or \`AsyncIterable\`, got (${typeof iterable})`);
		}

		if (typeof mapper !== 'function') {
			throw new TypeError('Mapper function is required');
		}

		if (!((Number.isSafeInteger(concurrency) && concurrency >= 1) || concurrency === Number.POSITIVE_INFINITY)) {
			throw new TypeError(`Expected \`concurrency\` to be an integer from 1 and up or \`Infinity\`, got \`${concurrency}\` (${typeof concurrency})`);
		}

		const result = [];
		const errors = [];
		const skippedIndexesMap = new Map();
		let isRejected = false;
		let isResolved = false;
		let isIterableDone = false;
		let resolvingCount = 0;
		let currentIndex = 0;
		const iterator = iterable[Symbol.iterator] === undefined ? iterable[Symbol.asyncIterator]() : iterable[Symbol.iterator]();

		const reject = reason => {
			isRejected = true;
			isResolved = true;
			reject_(reason);
		};

		if (signal) {
			if (signal.aborted) {
				reject(signal.reason);
			}

			signal.addEventListener('abort', () => {
				reject(signal.reason);
			});
		}

		const next = async () => {
			if (isResolved) {
				return;
			}

			const nextItem = await iterator.next();

			const index = currentIndex;
			currentIndex++;

			// Note: `iterator.next()` can be called many times in parallel.
			// This can cause multiple calls to this `next()` function to
			// receive a `nextItem` with `done === true`.
			// The shutdown logic that rejects/resolves must be protected
			// so it runs only one time as the `skippedIndex` logic is
			// non-idempotent.
			if (nextItem.done) {
				isIterableDone = true;

				if (resolvingCount === 0 && !isResolved) {
					if (!stopOnError && errors.length > 0) {
						reject(new AggregateError(errors)); // eslint-disable-line unicorn/error-message
						return;
					}

					isResolved = true;

					if (skippedIndexesMap.size === 0) {
						resolve(result);
						return;
					}

					const pureResult = [];

					// Support multiple `pMapSkip`'s.
					for (const [index, value] of result.entries()) {
						if (skippedIndexesMap.get(index) === pMapSkip) {
							continue;
						}

						pureResult.push(value);
					}

					resolve(pureResult);
				}

				return;
			}

			resolvingCount++;

			// Intentionally detached
			(async () => {
				try {
					const element = await nextItem.value;

					if (isResolved) {
						return;
					}

					const value = await mapper(element, index);

					// Use Map to stage the index of the element.
					if (value === pMapSkip) {
						skippedIndexesMap.set(index, value);
					}

					result[index] = value;

					resolvingCount--;
					await next();
				} catch (error) {
					if (stopOnError) {
						reject(error);
					} else {
						errors.push(error);
						resolvingCount--;

						// In that case we can't really continue regardless of `stopOnError` state
						// since an iterable is likely to continue throwing after it throws once.
						// If we continue calling `next()` indefinitely we will likely end up
						// in an infinite loop of failed iteration.
						try {
							await next();
						} catch (error) {
							reject(error);
						}
					}
				}
			})();
		};

		// Create the concurrent runners in a detached (non-awaited)
		// promise. We need this so we can await the `next()` calls
		// to stop creating runners before hitting the concurrency limit
		// if the iterable has already been marked as done.
		// NOTE: We *must* do this for async iterators otherwise we'll spin up
		// infinite `next()` calls by default and never start the event loop.
		(async () => {
			for (let index = 0; index < concurrency; index++) {
				try {
					// eslint-disable-next-line no-await-in-loop
					await next();
				} catch (error) {
					reject(error);
					break;
				}

				if (isIterableDone || isRejected) {
					break;
				}
			}
		})();
	});
}

const pMapSkip = Symbol('skip');

const toPath = urlOrPath => urlOrPath instanceof URL ? fileURLToPath(urlOrPath) : urlOrPath;

function findUpSync(name, {
	cwd = process$2.cwd(),
	type = 'file',
	stopAt,
} = {}) {
	let directory = path$r.resolve(toPath(cwd) ?? '');
	const {root} = path$r.parse(directory);
	stopAt = path$r.resolve(directory, toPath(stopAt) ?? root);

	while (directory && directory !== stopAt && directory !== root) {
		const filePath = path$r.isAbsolute(name) ? name : path$r.join(directory, name);

		try {
			const stats = fs$u.statSync(filePath, {throwIfNoEntry: false});
			if ((type === 'file' && stats?.isFile()) || (type === 'directory' && stats?.isDirectory())) {
				return filePath;
			}
		} catch {}

		directory = path$r.dirname(directory);
	}
}

function packageDirectorySync({cwd} = {}) {
	const filePath = findUpSync('package.json', {cwd});
	return filePath && path$r.dirname(filePath);
}

var balancedMatch = balanced$1;
function balanced$1(a, b, str) {
  if (a instanceof RegExp) a = maybeMatch(a, str);
  if (b instanceof RegExp) b = maybeMatch(b, str);

  var r = range(a, b, str);

  return r && {
    start: r[0],
    end: r[1],
    pre: str.slice(0, r[0]),
    body: str.slice(r[0] + a.length, r[1]),
    post: str.slice(r[1] + b.length)
  };
}

function maybeMatch(reg, str) {
  var m = str.match(reg);
  return m ? m[0] : null;
}

balanced$1.range = range;
function range(a, b, str) {
  var begs, beg, left, right, result;
  var ai = str.indexOf(a);
  var bi = str.indexOf(b, ai + 1);
  var i = ai;

  if (ai >= 0 && bi > 0) {
    if(a===b) {
      return [ai, bi];
    }
    begs = [];
    left = str.length;

    while (i >= 0 && !result) {
      if (i == ai) {
        begs.push(i);
        ai = str.indexOf(a, i + 1);
      } else if (begs.length == 1) {
        result = [ begs.pop(), bi ];
      } else {
        beg = begs.pop();
        if (beg < left) {
          left = beg;
          right = bi;
        }

        bi = str.indexOf(b, i + 1);
      }

      i = ai < bi && ai >= 0 ? ai : bi;
    }

    if (begs.length) {
      result = [ left, right ];
    }
  }

  return result;
}

var balanced = balancedMatch;

var braceExpansion = expandTop;

var escSlash = '\0SLASH'+Math.random()+'\0';
var escOpen = '\0OPEN'+Math.random()+'\0';
var escClose = '\0CLOSE'+Math.random()+'\0';
var escComma = '\0COMMA'+Math.random()+'\0';
var escPeriod = '\0PERIOD'+Math.random()+'\0';

function numeric(str) {
  return parseInt(str, 10) == str
    ? parseInt(str, 10)
    : str.charCodeAt(0);
}

function escapeBraces(str) {
  return str.split('\\\\').join(escSlash)
            .split('\\{').join(escOpen)
            .split('\\}').join(escClose)
            .split('\\,').join(escComma)
            .split('\\.').join(escPeriod);
}

function unescapeBraces(str) {
  return str.split(escSlash).join('\\')
            .split(escOpen).join('{')
            .split(escClose).join('}')
            .split(escComma).join(',')
            .split(escPeriod).join('.');
}


// Basically just str.split(","), but handling cases
// where we have nested braced sections, which should be
// treated as individual members, like {a,{b,c},d}
function parseCommaParts(str) {
  if (!str)
    return [''];

  var parts = [];
  var m = balanced('{', '}', str);

  if (!m)
    return str.split(',');

  var pre = m.pre;
  var body = m.body;
  var post = m.post;
  var p = pre.split(',');

  p[p.length-1] += '{' + body + '}';
  var postParts = parseCommaParts(post);
  if (post.length) {
    p[p.length-1] += postParts.shift();
    p.push.apply(p, postParts);
  }

  parts.push.apply(parts, p);

  return parts;
}

function expandTop(str) {
  if (!str)
    return [];

  // I don't know why Bash 4.3 does this, but it does.
  // Anything starting with {} will have the first two bytes preserved
  // but *only* at the top level, so {},a}b will not expand to anything,
  // but a{},b}c will be expanded to [a}c,abc].
  // One could argue that this is a bug in Bash, but since the goal of
  // this module is to match Bash's rules, we escape a leading {}
  if (str.substr(0, 2) === '{}') {
    str = '\\{\\}' + str.substr(2);
  }

  return expand$2(escapeBraces(str), true).map(unescapeBraces);
}

function embrace(str) {
  return '{' + str + '}';
}
function isPadded(el) {
  return /^-?0\d/.test(el);
}

function lte(i, y) {
  return i <= y;
}
function gte(i, y) {
  return i >= y;
}

function expand$2(str, isTop) {
  var expansions = [];

  var m = balanced('{', '}', str);
  if (!m) return [str];

  // no need to expand pre, since it is guaranteed to be free of brace-sets
  var pre = m.pre;
  var post = m.post.length
    ? expand$2(m.post, false)
    : [''];

  if (/\$$/.test(m.pre)) {    
    for (var k = 0; k < post.length; k++) {
      var expansion = pre+ '{' + m.body + '}' + post[k];
      expansions.push(expansion);
    }
  } else {
    var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
    var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
    var isSequence = isNumericSequence || isAlphaSequence;
    var isOptions = m.body.indexOf(',') >= 0;
    if (!isSequence && !isOptions) {
      // {a},b}
      if (m.post.match(/,.*\}/)) {
        str = m.pre + '{' + m.body + escClose + m.post;
        return expand$2(str);
      }
      return [str];
    }

    var n;
    if (isSequence) {
      n = m.body.split(/\.\./);
    } else {
      n = parseCommaParts(m.body);
      if (n.length === 1) {
        // x{{a,b}}y ==> x{a}y x{b}y
        n = expand$2(n[0], false).map(embrace);
        if (n.length === 1) {
          return post.map(function(p) {
            return m.pre + n[0] + p;
          });
        }
      }
    }

    // at this point, n is the parts, and we know it's not a comma set
    // with a single entry.
    var N;

    if (isSequence) {
      var x = numeric(n[0]);
      var y = numeric(n[1]);
      var width = Math.max(n[0].length, n[1].length);
      var incr = n.length == 3
        ? Math.abs(numeric(n[2]))
        : 1;
      var test = lte;
      var reverse = y < x;
      if (reverse) {
        incr *= -1;
        test = gte;
      }
      var pad = n.some(isPadded);

      N = [];

      for (var i = x; test(i, y); i += incr) {
        var c;
        if (isAlphaSequence) {
          c = String.fromCharCode(i);
          if (c === '\\')
            c = '';
        } else {
          c = String(i);
          if (pad) {
            var need = width - c.length;
            if (need > 0) {
              var z = new Array(need + 1).join('0');
              if (i < 0)
                c = '-' + z + c.slice(1);
              else
                c = z + c;
            }
          }
        }
        N.push(c);
      }
    } else {
      N = [];

      for (var j = 0; j < n.length; j++) {
        N.push.apply(N, expand$2(n[j], false));
      }
    }

    for (var j = 0; j < N.length; j++) {
      for (var k = 0; k < post.length; k++) {
        var expansion = pre + N[j] + post[k];
        if (!isTop || isSequence || expansion)
          expansions.push(expansion);
      }
    }
  }

  return expansions;
}

var expand$3 = /*@__PURE__*/getDefaultExportFromCjs(braceExpansion);

const MAX_PATTERN_LENGTH = 1024 * 64;
const assertValidPattern = (pattern) => {
    if (typeof pattern !== 'string') {
        throw new TypeError('invalid pattern');
    }
    if (pattern.length > MAX_PATTERN_LENGTH) {
        throw new TypeError('pattern is too long');
    }
};

// translate the various posix character classes into unicode properties
// this works across all unicode locales
// { <posix class>: [<translation>, /u flag required, negated]
const posixClasses = {
    '[:alnum:]': ['\\p{L}\\p{Nl}\\p{Nd}', true],
    '[:alpha:]': ['\\p{L}\\p{Nl}', true],
    '[:ascii:]': ['\\x' + '00-\\x' + '7f', false],
    '[:blank:]': ['\\p{Zs}\\t', true],
    '[:cntrl:]': ['\\p{Cc}', true],
    '[:digit:]': ['\\p{Nd}', true],
    '[:graph:]': ['\\p{Z}\\p{C}', true, true],
    '[:lower:]': ['\\p{Ll}', true],
    '[:print:]': ['\\p{C}', true],
    '[:punct:]': ['\\p{P}', true],
    '[:space:]': ['\\p{Z}\\t\\r\\n\\v\\f', true],
    '[:upper:]': ['\\p{Lu}', true],
    '[:word:]': ['\\p{L}\\p{Nl}\\p{Nd}\\p{Pc}', true],
    '[:xdigit:]': ['A-Fa-f0-9', false],
};
// only need to escape a few things inside of brace expressions
// escapes: [ \ ] -
const braceEscape = (s) => s.replace(/[[\]\\-]/g, '\\$&');
// escape all regexp magic characters
const regexpEscape = (s) => s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
// everything has already been escaped, we just have to join
const rangesToString = (ranges) => ranges.join('');
// takes a glob string at a posix brace expression, and returns
// an equivalent regular expression source, and boolean indicating
// whether the /u flag needs to be applied, and the number of chars
// consumed to parse the character class.
// This also removes out of order ranges, and returns ($.) if the
// entire class just no good.
const parseClass = (glob, position) => {
    const pos = position;
    /* c8 ignore start */
    if (glob.charAt(pos) !== '[') {
        throw new Error('not in a brace expression');
    }
    /* c8 ignore stop */
    const ranges = [];
    const negs = [];
    let i = pos + 1;
    let sawStart = false;
    let uflag = false;
    let escaping = false;
    let negate = false;
    let endPos = pos;
    let rangeStart = '';
    WHILE: while (i < glob.length) {
        const c = glob.charAt(i);
        if ((c === '!' || c === '^') && i === pos + 1) {
            negate = true;
            i++;
            continue;
        }
        if (c === ']' && sawStart && !escaping) {
            endPos = i + 1;
            break;
        }
        sawStart = true;
        if (c === '\\') {
            if (!escaping) {
                escaping = true;
                i++;
                continue;
            }
            // escaped \ char, fall through and treat like normal char
        }
        if (c === '[' && !escaping) {
            // either a posix class, a collation equivalent, or just a [
            for (const [cls, [unip, u, neg]] of Object.entries(posixClasses)) {
                if (glob.startsWith(cls, i)) {
                    // invalid, [a-[] is fine, but not [a-[:alpha]]
                    if (rangeStart) {
                        return ['$.', false, glob.length - pos, true];
                    }
                    i += cls.length;
                    if (neg)
                        negs.push(unip);
                    else
                        ranges.push(unip);
                    uflag = uflag || u;
                    continue WHILE;
                }
            }
        }
        // now it's just a normal character, effectively
        escaping = false;
        if (rangeStart) {
            // throw this range away if it's not valid, but others
            // can still match.
            if (c > rangeStart) {
                ranges.push(braceEscape(rangeStart) + '-' + braceEscape(c));
            }
            else if (c === rangeStart) {
                ranges.push(braceEscape(c));
            }
            rangeStart = '';
            i++;
            continue;
        }
        // now might be the start of a range.
        // can be either c-d or c-] or c<more...>] or c] at this point
        if (glob.startsWith('-]', i + 1)) {
            ranges.push(braceEscape(c + '-'));
            i += 2;
            continue;
        }
        if (glob.startsWith('-', i + 1)) {
            rangeStart = c;
            i += 2;
            continue;
        }
        // not the start of a range, just a single character
        ranges.push(braceEscape(c));
        i++;
    }
    if (endPos < i) {
        // didn't see the end of the class, not a valid class,
        // but might still be valid as a literal match.
        return ['', false, 0, false];
    }
    // if we got no ranges and no negates, then we have a range that
    // cannot possibly match anything, and that poisons the whole glob
    if (!ranges.length && !negs.length) {
        return ['$.', false, glob.length - pos, true];
    }
    // if we got one positive range, and it's a single character, then that's
    // not actually a magic pattern, it's just that one literal character.
    // we should not treat that as "magic", we should just return the literal
    // character. [_] is a perfectly valid way to escape glob magic chars.
    if (negs.length === 0 &&
        ranges.length === 1 &&
        /^\\?.$/.test(ranges[0]) &&
        !negate) {
        const r = ranges[0].length === 2 ? ranges[0].slice(-1) : ranges[0];
        return [regexpEscape(r), false, endPos - pos, false];
    }
    const sranges = '[' + (negate ? '^' : '') + rangesToString(ranges) + ']';
    const snegs = '[' + (negate ? '' : '^') + rangesToString(negs) + ']';
    const comb = ranges.length && negs.length
        ? '(' + sranges + '|' + snegs + ')'
        : ranges.length
            ? sranges
            : snegs;
    return [comb, uflag, endPos - pos, true];
};

/**
 * Un-escape a string that has been escaped with {@link escape}.
 *
 * If the {@link windowsPathsNoEscape} option is used, then square-brace
 * escapes are removed, but not backslash escapes.  For example, it will turn
 * the string `'[*]'` into `*`, but it will not turn `'\\*'` into `'*'`,
 * becuase `\` is a path separator in `windowsPathsNoEscape` mode.
 *
 * When `windowsPathsNoEscape` is not set, then both brace escapes and
 * backslash escapes are removed.
 *
 * Slashes (and backslashes in `windowsPathsNoEscape` mode) cannot be escaped
 * or unescaped.
 */
const unescape = (s, { windowsPathsNoEscape = false, } = {}) => {
    return windowsPathsNoEscape
        ? s.replace(/\[([^\/\\])\]/g, '$1')
        : s.replace(/((?!\\).|^)\[([^\/\\])\]/g, '$1$2').replace(/\\([^\/])/g, '$1');
};

// parse a single path portion
const types$1 = new Set(['!', '?', '+', '*', '@']);
const isExtglobType = (c) => types$1.has(c);
// Patterns that get prepended to bind to the start of either the
// entire string, or just a single path portion, to prevent dots
// and/or traversal patterns, when needed.
// Exts don't need the ^ or / bit, because the root binds that already.
const startNoTraversal = '(?!(?:^|/)\\.\\.?(?:$|/))';
const startNoDot = '(?!\\.)';
// characters that indicate a start of pattern needs the "no dots" bit,
// because a dot *might* be matched. ( is not in the list, because in
// the case of a child extglob, it will handle the prevention itself.
const addPatternStart = new Set(['[', '.']);
// cases where traversal is A-OK, no dot prevention needed
const justDots = new Set(['..', '.']);
const reSpecials = new Set('().*{}+?[]^$\\!');
const regExpEscape$1 = (s) => s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
// any single thing other than /
const qmark$1 = '[^/]';
// * => any number of characters
const star$2 = qmark$1 + '*?';
// use + when we need to ensure that *something* matches, because the * is
// the only thing in the path portion.
const starNoEmpty = qmark$1 + '+?';
// remove the \ chars that we added if we end up doing a nonmagic compare
// const deslash = (s: string) => s.replace(/\\(.)/g, '$1')
class AST {
    type;
    #root;
    #hasMagic;
    #uflag = false;
    #parts = [];
    #parent;
    #parentIndex;
    #negs;
    #filledNegs = false;
    #options;
    #toString;
    // set to true if it's an extglob with no children
    // (which really means one child of '')
    #emptyExt = false;
    constructor(type, parent, options = {}) {
        this.type = type;
        // extglobs are inherently magical
        if (type)
            this.#hasMagic = true;
        this.#parent = parent;
        this.#root = this.#parent ? this.#parent.#root : this;
        this.#options = this.#root === this ? options : this.#root.#options;
        this.#negs = this.#root === this ? [] : this.#root.#negs;
        if (type === '!' && !this.#root.#filledNegs)
            this.#negs.push(this);
        this.#parentIndex = this.#parent ? this.#parent.#parts.length : 0;
    }
    get hasMagic() {
        /* c8 ignore start */
        if (this.#hasMagic !== undefined)
            return this.#hasMagic;
        /* c8 ignore stop */
        for (const p of this.#parts) {
            if (typeof p === 'string')
                continue;
            if (p.type || p.hasMagic)
                return (this.#hasMagic = true);
        }
        // note: will be undefined until we generate the regexp src and find out
        return this.#hasMagic;
    }
    // reconstructs the pattern
    toString() {
        if (this.#toString !== undefined)
            return this.#toString;
        if (!this.type) {
            return (this.#toString = this.#parts.map(p => String(p)).join(''));
        }
        else {
            return (this.#toString =
                this.type + '(' + this.#parts.map(p => String(p)).join('|') + ')');
        }
    }
    #fillNegs() {
        /* c8 ignore start */
        if (this !== this.#root)
            throw new Error('should only call on root');
        if (this.#filledNegs)
            return this;
        /* c8 ignore stop */
        // call toString() once to fill this out
        this.toString();
        this.#filledNegs = true;
        let n;
        while ((n = this.#negs.pop())) {
            if (n.type !== '!')
                continue;
            // walk up the tree, appending everthing that comes AFTER parentIndex
            let p = n;
            let pp = p.#parent;
            while (pp) {
                for (let i = p.#parentIndex + 1; !pp.type && i < pp.#parts.length; i++) {
                    for (const part of n.#parts) {
                        /* c8 ignore start */
                        if (typeof part === 'string') {
                            throw new Error('string part in extglob AST??');
                        }
                        /* c8 ignore stop */
                        part.copyIn(pp.#parts[i]);
                    }
                }
                p = pp;
                pp = p.#parent;
            }
        }
        return this;
    }
    push(...parts) {
        for (const p of parts) {
            if (p === '')
                continue;
            /* c8 ignore start */
            if (typeof p !== 'string' && !(p instanceof AST && p.#parent === this)) {
                throw new Error('invalid part: ' + p);
            }
            /* c8 ignore stop */
            this.#parts.push(p);
        }
    }
    toJSON() {
        const ret = this.type === null
            ? this.#parts.slice().map(p => (typeof p === 'string' ? p : p.toJSON()))
            : [this.type, ...this.#parts.map(p => p.toJSON())];
        if (this.isStart() && !this.type)
            ret.unshift([]);
        if (this.isEnd() &&
            (this === this.#root ||
                (this.#root.#filledNegs && this.#parent?.type === '!'))) {
            ret.push({});
        }
        return ret;
    }
    isStart() {
        if (this.#root === this)
            return true;
        // if (this.type) return !!this.#parent?.isStart()
        if (!this.#parent?.isStart())
            return false;
        if (this.#parentIndex === 0)
            return true;
        // if everything AHEAD of this is a negation, then it's still the "start"
        const p = this.#parent;
        for (let i = 0; i < this.#parentIndex; i++) {
            const pp = p.#parts[i];
            if (!(pp instanceof AST && pp.type === '!')) {
                return false;
            }
        }
        return true;
    }
    isEnd() {
        if (this.#root === this)
            return true;
        if (this.#parent?.type === '!')
            return true;
        if (!this.#parent?.isEnd())
            return false;
        if (!this.type)
            return this.#parent?.isEnd();
        // if not root, it'll always have a parent
        /* c8 ignore start */
        const pl = this.#parent ? this.#parent.#parts.length : 0;
        /* c8 ignore stop */
        return this.#parentIndex === pl - 1;
    }
    copyIn(part) {
        if (typeof part === 'string')
            this.push(part);
        else
            this.push(part.clone(this));
    }
    clone(parent) {
        const c = new AST(this.type, parent);
        for (const p of this.#parts) {
            c.copyIn(p);
        }
        return c;
    }
    static #parseAST(str, ast, pos, opt) {
        let escaping = false;
        let inBrace = false;
        let braceStart = -1;
        let braceNeg = false;
        if (ast.type === null) {
            // outside of a extglob, append until we find a start
            let i = pos;
            let acc = '';
            while (i < str.length) {
                const c = str.charAt(i++);
                // still accumulate escapes at this point, but we do ignore
                // starts that are escaped
                if (escaping || c === '\\') {
                    escaping = !escaping;
                    acc += c;
                    continue;
                }
                if (inBrace) {
                    if (i === braceStart + 1) {
                        if (c === '^' || c === '!') {
                            braceNeg = true;
                        }
                    }
                    else if (c === ']' && !(i === braceStart + 2 && braceNeg)) {
                        inBrace = false;
                    }
                    acc += c;
                    continue;
                }
                else if (c === '[') {
                    inBrace = true;
                    braceStart = i;
                    braceNeg = false;
                    acc += c;
                    continue;
                }
                if (!opt.noext && isExtglobType(c) && str.charAt(i) === '(') {
                    ast.push(acc);
                    acc = '';
                    const ext = new AST(c, ast);
                    i = AST.#parseAST(str, ext, i, opt);
                    ast.push(ext);
                    continue;
                }
                acc += c;
            }
            ast.push(acc);
            return i;
        }
        // some kind of extglob, pos is at the (
        // find the next | or )
        let i = pos + 1;
        let part = new AST(null, ast);
        const parts = [];
        let acc = '';
        while (i < str.length) {
            const c = str.charAt(i++);
            // still accumulate escapes at this point, but we do ignore
            // starts that are escaped
            if (escaping || c === '\\') {
                escaping = !escaping;
                acc += c;
                continue;
            }
            if (inBrace) {
                if (i === braceStart + 1) {
                    if (c === '^' || c === '!') {
                        braceNeg = true;
                    }
                }
                else if (c === ']' && !(i === braceStart + 2 && braceNeg)) {
                    inBrace = false;
                }
                acc += c;
                continue;
            }
            else if (c === '[') {
                inBrace = true;
                braceStart = i;
                braceNeg = false;
                acc += c;
                continue;
            }
            if (isExtglobType(c) && str.charAt(i) === '(') {
                part.push(acc);
                acc = '';
                const ext = new AST(c, part);
                part.push(ext);
                i = AST.#parseAST(str, ext, i, opt);
                continue;
            }
            if (c === '|') {
                part.push(acc);
                acc = '';
                parts.push(part);
                part = new AST(null, ast);
                continue;
            }
            if (c === ')') {
                if (acc === '' && ast.#parts.length === 0) {
                    ast.#emptyExt = true;
                }
                part.push(acc);
                acc = '';
                ast.push(...parts, part);
                return i;
            }
            acc += c;
        }
        // unfinished extglob
        // if we got here, it was a malformed extglob! not an extglob, but
        // maybe something else in there.
        ast.type = null;
        ast.#hasMagic = undefined;
        ast.#parts = [str.substring(pos - 1)];
        return i;
    }
    static fromGlob(pattern, options = {}) {
        const ast = new AST(null, undefined, options);
        AST.#parseAST(pattern, ast, 0, options);
        return ast;
    }
    // returns the regular expression if there's magic, or the unescaped
    // string if not.
    toMMPattern() {
        // should only be called on root
        /* c8 ignore start */
        if (this !== this.#root)
            return this.#root.toMMPattern();
        /* c8 ignore stop */
        const glob = this.toString();
        const [re, body, hasMagic, uflag] = this.toRegExpSource();
        // if we're in nocase mode, and not nocaseMagicOnly, then we do
        // still need a regular expression if we have to case-insensitively
        // match capital/lowercase characters.
        const anyMagic = hasMagic ||
            this.#hasMagic ||
            (this.#options.nocase &&
                !this.#options.nocaseMagicOnly &&
                glob.toUpperCase() !== glob.toLowerCase());
        if (!anyMagic) {
            return body;
        }
        const flags = (this.#options.nocase ? 'i' : '') + (uflag ? 'u' : '');
        return Object.assign(new RegExp(`^${re}$`, flags), {
            _src: re,
            _glob: glob,
        });
    }
    // returns the string match, the regexp source, whether there's magic
    // in the regexp (so a regular expression is required) and whether or
    // not the uflag is needed for the regular expression (for posix classes)
    // TODO: instead of injecting the start/end at this point, just return
    // the BODY of the regexp, along with the start/end portions suitable
    // for binding the start/end in either a joined full-path makeRe context
    // (where we bind to (^|/), or a standalone matchPart context (where
    // we bind to ^, and not /).  Otherwise slashes get duped!
    //
    // In part-matching mode, the start is:
    // - if not isStart: nothing
    // - if traversal possible, but not allowed: ^(?!\.\.?$)
    // - if dots allowed or not possible: ^
    // - if dots possible and not allowed: ^(?!\.)
    // end is:
    // - if not isEnd(): nothing
    // - else: $
    //
    // In full-path matching mode, we put the slash at the START of the
    // pattern, so start is:
    // - if first pattern: same as part-matching mode
    // - if not isStart(): nothing
    // - if traversal possible, but not allowed: /(?!\.\.?(?:$|/))
    // - if dots allowed or not possible: /
    // - if dots possible and not allowed: /(?!\.)
    // end is:
    // - if last pattern, same as part-matching mode
    // - else nothing
    //
    // Always put the (?:$|/) on negated tails, though, because that has to be
    // there to bind the end of the negated pattern portion, and it's easier to
    // just stick it in now rather than try to inject it later in the middle of
    // the pattern.
    //
    // We can just always return the same end, and leave it up to the caller
    // to know whether it's going to be used joined or in parts.
    // And, if the start is adjusted slightly, can do the same there:
    // - if not isStart: nothing
    // - if traversal possible, but not allowed: (?:/|^)(?!\.\.?$)
    // - if dots allowed or not possible: (?:/|^)
    // - if dots possible and not allowed: (?:/|^)(?!\.)
    //
    // But it's better to have a simpler binding without a conditional, for
    // performance, so probably better to return both start options.
    //
    // Then the caller just ignores the end if it's not the first pattern,
    // and the start always gets applied.
    //
    // But that's always going to be $ if it's the ending pattern, or nothing,
    // so the caller can just attach $ at the end of the pattern when building.
    //
    // So the todo is:
    // - better detect what kind of start is needed
    // - return both flavors of starting pattern
    // - attach $ at the end of the pattern when creating the actual RegExp
    //
    // Ah, but wait, no, that all only applies to the root when the first pattern
    // is not an extglob. If the first pattern IS an extglob, then we need all
    // that dot prevention biz to live in the extglob portions, because eg
    // +(*|.x*) can match .xy but not .yx.
    //
    // So, return the two flavors if it's #root and the first child is not an
    // AST, otherwise leave it to the child AST to handle it, and there,
    // use the (?:^|/) style of start binding.
    //
    // Even simplified further:
    // - Since the start for a join is eg /(?!\.) and the start for a part
    // is ^(?!\.), we can just prepend (?!\.) to the pattern (either root
    // or start or whatever) and prepend ^ or / at the Regexp construction.
    toRegExpSource(allowDot) {
        const dot = allowDot ?? !!this.#options.dot;
        if (this.#root === this)
            this.#fillNegs();
        if (!this.type) {
            const noEmpty = this.isStart() && this.isEnd();
            const src = this.#parts
                .map(p => {
                const [re, _, hasMagic, uflag] = typeof p === 'string'
                    ? AST.#parseGlob(p, this.#hasMagic, noEmpty)
                    : p.toRegExpSource(allowDot);
                this.#hasMagic = this.#hasMagic || hasMagic;
                this.#uflag = this.#uflag || uflag;
                return re;
            })
                .join('');
            let start = '';
            if (this.isStart()) {
                if (typeof this.#parts[0] === 'string') {
                    // this is the string that will match the start of the pattern,
                    // so we need to protect against dots and such.
                    // '.' and '..' cannot match unless the pattern is that exactly,
                    // even if it starts with . or dot:true is set.
                    const dotTravAllowed = this.#parts.length === 1 && justDots.has(this.#parts[0]);
                    if (!dotTravAllowed) {
                        const aps = addPatternStart;
                        // check if we have a possibility of matching . or ..,
                        // and prevent that.
                        const needNoTrav = 
                        // dots are allowed, and the pattern starts with [ or .
                        (dot && aps.has(src.charAt(0))) ||
                            // the pattern starts with \., and then [ or .
                            (src.startsWith('\\.') && aps.has(src.charAt(2))) ||
                            // the pattern starts with \.\., and then [ or .
                            (src.startsWith('\\.\\.') && aps.has(src.charAt(4)));
                        // no need to prevent dots if it can't match a dot, or if a
                        // sub-pattern will be preventing it anyway.
                        const needNoDot = !dot && !allowDot && aps.has(src.charAt(0));
                        start = needNoTrav ? startNoTraversal : needNoDot ? startNoDot : '';
                    }
                }
            }
            // append the "end of path portion" pattern to negation tails
            let end = '';
            if (this.isEnd() &&
                this.#root.#filledNegs &&
                this.#parent?.type === '!') {
                end = '(?:$|\\/)';
            }
            const final = start + src + end;
            return [
                final,
                unescape(src),
                (this.#hasMagic = !!this.#hasMagic),
                this.#uflag,
            ];
        }
        // We need to calculate the body *twice* if it's a repeat pattern
        // at the start, once in nodot mode, then again in dot mode, so a
        // pattern like *(?) can match 'x.y'
        const repeated = this.type === '*' || this.type === '+';
        // some kind of extglob
        const start = this.type === '!' ? '(?:(?!(?:' : '(?:';
        let body = this.#partsToRegExp(dot);
        if (this.isStart() && this.isEnd() && !body && this.type !== '!') {
            // invalid extglob, has to at least be *something* present, if it's
            // the entire path portion.
            const s = this.toString();
            this.#parts = [s];
            this.type = null;
            this.#hasMagic = undefined;
            return [s, unescape(this.toString()), false, false];
        }
        // XXX abstract out this map method
        let bodyDotAllowed = !repeated || allowDot || dot || !startNoDot
            ? ''
            : this.#partsToRegExp(true);
        if (bodyDotAllowed === body) {
            bodyDotAllowed = '';
        }
        if (bodyDotAllowed) {
            body = `(?:${body})(?:${bodyDotAllowed})*?`;
        }
        // an empty !() is exactly equivalent to a starNoEmpty
        let final = '';
        if (this.type === '!' && this.#emptyExt) {
            final = (this.isStart() && !dot ? startNoDot : '') + starNoEmpty;
        }
        else {
            const close = this.type === '!'
                ? // !() must match something,but !(x) can match ''
                    '))' +
                        (this.isStart() && !dot && !allowDot ? startNoDot : '') +
                        star$2 +
                        ')'
                : this.type === '@'
                    ? ')'
                    : this.type === '?'
                        ? ')?'
                        : this.type === '+' && bodyDotAllowed
                            ? ')'
                            : this.type === '*' && bodyDotAllowed
                                ? `)?`
                                : `)${this.type}`;
            final = start + body + close;
        }
        return [
            final,
            unescape(body),
            (this.#hasMagic = !!this.#hasMagic),
            this.#uflag,
        ];
    }
    #partsToRegExp(dot) {
        return this.#parts
            .map(p => {
            // extglob ASTs should only contain parent ASTs
            /* c8 ignore start */
            if (typeof p === 'string') {
                throw new Error('string type in extglob ast??');
            }
            /* c8 ignore stop */
            // can ignore hasMagic, because extglobs are already always magic
            const [re, _, _hasMagic, uflag] = p.toRegExpSource(dot);
            this.#uflag = this.#uflag || uflag;
            return re;
        })
            .filter(p => !(this.isStart() && this.isEnd()) || !!p)
            .join('|');
    }
    static #parseGlob(glob, hasMagic, noEmpty = false) {
        let escaping = false;
        let re = '';
        let uflag = false;
        for (let i = 0; i < glob.length; i++) {
            const c = glob.charAt(i);
            if (escaping) {
                escaping = false;
                re += (reSpecials.has(c) ? '\\' : '') + c;
                continue;
            }
            if (c === '\\') {
                if (i === glob.length - 1) {
                    re += '\\\\';
                }
                else {
                    escaping = true;
                }
                continue;
            }
            if (c === '[') {
                const [src, needUflag, consumed, magic] = parseClass(glob, i);
                if (consumed) {
                    re += src;
                    uflag = uflag || needUflag;
                    i += consumed - 1;
                    hasMagic = hasMagic || magic;
                    continue;
                }
            }
            if (c === '*') {
                if (noEmpty && glob === '*')
                    re += starNoEmpty;
                else
                    re += star$2;
                hasMagic = true;
                continue;
            }
            if (c === '?') {
                re += qmark$1;
                hasMagic = true;
                continue;
            }
            re += regExpEscape$1(c);
        }
        return [re, unescape(glob), !!hasMagic, uflag];
    }
}

/**
 * Escape all magic characters in a glob pattern.
 *
 * If the {@link windowsPathsNoEscape | GlobOptions.windowsPathsNoEscape}
 * option is used, then characters are escaped by wrapping in `[]`, because
 * a magic character wrapped in a character class can only be satisfied by
 * that exact character.  In this mode, `\` is _not_ escaped, because it is
 * not interpreted as a magic character, but instead as a path separator.
 */
const escape$4 = (s, { windowsPathsNoEscape = false, } = {}) => {
    // don't need to escape +@! because we escape the parens
    // that make those magic, and escaping ! as [!] isn't valid,
    // because [!]] is a valid glob class meaning not ']'.
    return windowsPathsNoEscape
        ? s.replace(/[?*()[\]]/g, '[$&]')
        : s.replace(/[?*()[\]\\]/g, '\\$&');
};

const minimatch = (p, pattern, options = {}) => {
    assertValidPattern(pattern);
    // shortcut: comments match nothing.
    if (!options.nocomment && pattern.charAt(0) === '#') {
        return false;
    }
    return new Minimatch(pattern, options).match(p);
};
// Optimized checking for the most common glob patterns.
const starDotExtRE = /^\*+([^+@!?\*\[\(]*)$/;
const starDotExtTest = (ext) => (f) => !f.startsWith('.') && f.endsWith(ext);
const starDotExtTestDot = (ext) => (f) => f.endsWith(ext);
const starDotExtTestNocase = (ext) => {
    ext = ext.toLowerCase();
    return (f) => !f.startsWith('.') && f.toLowerCase().endsWith(ext);
};
const starDotExtTestNocaseDot = (ext) => {
    ext = ext.toLowerCase();
    return (f) => f.toLowerCase().endsWith(ext);
};
const starDotStarRE = /^\*+\.\*+$/;
const starDotStarTest = (f) => !f.startsWith('.') && f.includes('.');
const starDotStarTestDot = (f) => f !== '.' && f !== '..' && f.includes('.');
const dotStarRE = /^\.\*+$/;
const dotStarTest = (f) => f !== '.' && f !== '..' && f.startsWith('.');
const starRE = /^\*+$/;
const starTest = (f) => f.length !== 0 && !f.startsWith('.');
const starTestDot = (f) => f.length !== 0 && f !== '.' && f !== '..';
const qmarksRE = /^\?+([^+@!?\*\[\(]*)?$/;
const qmarksTestNocase = ([$0, ext = '']) => {
    const noext = qmarksTestNoExt([$0]);
    if (!ext)
        return noext;
    ext = ext.toLowerCase();
    return (f) => noext(f) && f.toLowerCase().endsWith(ext);
};
const qmarksTestNocaseDot = ([$0, ext = '']) => {
    const noext = qmarksTestNoExtDot([$0]);
    if (!ext)
        return noext;
    ext = ext.toLowerCase();
    return (f) => noext(f) && f.toLowerCase().endsWith(ext);
};
const qmarksTestDot = ([$0, ext = '']) => {
    const noext = qmarksTestNoExtDot([$0]);
    return !ext ? noext : (f) => noext(f) && f.endsWith(ext);
};
const qmarksTest = ([$0, ext = '']) => {
    const noext = qmarksTestNoExt([$0]);
    return !ext ? noext : (f) => noext(f) && f.endsWith(ext);
};
const qmarksTestNoExt = ([$0]) => {
    const len = $0.length;
    return (f) => f.length === len && !f.startsWith('.');
};
const qmarksTestNoExtDot = ([$0]) => {
    const len = $0.length;
    return (f) => f.length === len && f !== '.' && f !== '..';
};
/* c8 ignore start */
const defaultPlatform$2 = (typeof process === 'object' && process
    ? (typeof process.env === 'object' &&
        process.env &&
        process.env.__MINIMATCH_TESTING_PLATFORM__) ||
        process.platform
    : 'posix');
const path$d = {
    win32: { sep: '\\' },
    posix: { sep: '/' },
};
/* c8 ignore stop */
const sep = defaultPlatform$2 === 'win32' ? path$d.win32.sep : path$d.posix.sep;
minimatch.sep = sep;
const GLOBSTAR$1 = Symbol('globstar **');
minimatch.GLOBSTAR = GLOBSTAR$1;
// any single thing other than /
// don't need to escape / when using new RegExp()
const qmark = '[^/]';
// * => any number of characters
const star$1 = qmark + '*?';
// ** when dots are allowed.  Anything goes, except .. and .
// not (^ or / followed by one or two dots followed by $ or /),
// followed by anything, any number of times.
const twoStarDot = '(?:(?!(?:\\/|^)(?:\\.{1,2})($|\\/)).)*?';
// not a ^ or / followed by a dot,
// followed by anything, any number of times.
const twoStarNoDot = '(?:(?!(?:\\/|^)\\.).)*?';
const filter = (pattern, options = {}) => (p) => minimatch(p, pattern, options);
minimatch.filter = filter;
const ext = (a, b = {}) => Object.assign({}, a, b);
const defaults$5 = (def) => {
    if (!def || typeof def !== 'object' || !Object.keys(def).length) {
        return minimatch;
    }
    const orig = minimatch;
    const m = (p, pattern, options = {}) => orig(p, pattern, ext(def, options));
    return Object.assign(m, {
        Minimatch: class Minimatch extends orig.Minimatch {
            constructor(pattern, options = {}) {
                super(pattern, ext(def, options));
            }
            static defaults(options) {
                return orig.defaults(ext(def, options)).Minimatch;
            }
        },
        AST: class AST extends orig.AST {
            /* c8 ignore start */
            constructor(type, parent, options = {}) {
                super(type, parent, ext(def, options));
            }
            /* c8 ignore stop */
            static fromGlob(pattern, options = {}) {
                return orig.AST.fromGlob(pattern, ext(def, options));
            }
        },
        unescape: (s, options = {}) => orig.unescape(s, ext(def, options)),
        escape: (s, options = {}) => orig.escape(s, ext(def, options)),
        filter: (pattern, options = {}) => orig.filter(pattern, ext(def, options)),
        defaults: (options) => orig.defaults(ext(def, options)),
        makeRe: (pattern, options = {}) => orig.makeRe(pattern, ext(def, options)),
        braceExpand: (pattern, options = {}) => orig.braceExpand(pattern, ext(def, options)),
        match: (list, pattern, options = {}) => orig.match(list, pattern, ext(def, options)),
        sep: orig.sep,
        GLOBSTAR: GLOBSTAR$1,
    });
};
minimatch.defaults = defaults$5;
// Brace expansion:
// a{b,c}d -> abd acd
// a{b,}c -> abc ac
// a{0..3}d -> a0d a1d a2d a3d
// a{b,c{d,e}f}g -> abg acdfg acefg
// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
//
// Invalid sets are not expanded.
// a{2..}b -> a{2..}b
// a{b}c -> a{b}c
const braceExpand = (pattern, options = {}) => {
    assertValidPattern(pattern);
    // Thanks to Yeting Li <https://github.com/yetingli> for
    // improving this regexp to avoid a ReDOS vulnerability.
    if (options.nobrace || !/\{(?:(?!\{).)*\}/.test(pattern)) {
        // shortcut. no need to expand.
        return [pattern];
    }
    return expand$3(pattern);
};
minimatch.braceExpand = braceExpand;
// parse a component of the expanded set.
// At this point, no pattern may contain "/" in it
// so we're going to return a 2d array, where each entry is the full
// pattern, split on '/', and then turned into a regular expression.
// A regexp is made at the end which joins each array with an
// escaped /, and another full one which joins each regexp with |.
//
// Following the lead of Bash 4.1, note that "**" only has special meaning
// when it is the *only* thing in a path portion.  Otherwise, any series
// of * is equivalent to a single *.  Globstar behavior is enabled by
// default, and can be disabled by setting options.noglobstar.
const makeRe$1 = (pattern, options = {}) => new Minimatch(pattern, options).makeRe();
minimatch.makeRe = makeRe$1;
const match$1 = (list, pattern, options = {}) => {
    const mm = new Minimatch(pattern, options);
    list = list.filter(f => mm.match(f));
    if (mm.options.nonull && !list.length) {
        list.push(pattern);
    }
    return list;
};
minimatch.match = match$1;
// replace stuff like \* with *
const globMagic = /[?*]|[+@!]\(.*?\)|\[|\]/;
const regExpEscape = (s) => s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
class Minimatch {
    options;
    set;
    pattern;
    windowsPathsNoEscape;
    nonegate;
    negate;
    comment;
    empty;
    preserveMultipleSlashes;
    partial;
    globSet;
    globParts;
    nocase;
    isWindows;
    platform;
    windowsNoMagicRoot;
    regexp;
    constructor(pattern, options = {}) {
        assertValidPattern(pattern);
        options = options || {};
        this.options = options;
        this.pattern = pattern;
        this.platform = options.platform || defaultPlatform$2;
        this.isWindows = this.platform === 'win32';
        this.windowsPathsNoEscape =
            !!options.windowsPathsNoEscape || options.allowWindowsEscape === false;
        if (this.windowsPathsNoEscape) {
            this.pattern = this.pattern.replace(/\\/g, '/');
        }
        this.preserveMultipleSlashes = !!options.preserveMultipleSlashes;
        this.regexp = null;
        this.negate = false;
        this.nonegate = !!options.nonegate;
        this.comment = false;
        this.empty = false;
        this.partial = !!options.partial;
        this.nocase = !!this.options.nocase;
        this.windowsNoMagicRoot =
            options.windowsNoMagicRoot !== undefined
                ? options.windowsNoMagicRoot
                : !!(this.isWindows && this.nocase);
        this.globSet = [];
        this.globParts = [];
        this.set = [];
        // make the set of regexps etc.
        this.make();
    }
    hasMagic() {
        if (this.options.magicalBraces && this.set.length > 1) {
            return true;
        }
        for (const pattern of this.set) {
            for (const part of pattern) {
                if (typeof part !== 'string')
                    return true;
            }
        }
        return false;
    }
    debug(..._) { }
    make() {
        const pattern = this.pattern;
        const options = this.options;
        // empty patterns and comments match nothing.
        if (!options.nocomment && pattern.charAt(0) === '#') {
            this.comment = true;
            return;
        }
        if (!pattern) {
            this.empty = true;
            return;
        }
        // step 1: figure out negation, etc.
        this.parseNegate();
        // step 2: expand braces
        this.globSet = [...new Set(this.braceExpand())];
        if (options.debug) {
            this.debug = (...args) => console.error(...args);
        }
        this.debug(this.pattern, this.globSet);
        // step 3: now we have a set, so turn each one into a series of
        // path-portion matching patterns.
        // These will be regexps, except in the case of "**", which is
        // set to the GLOBSTAR object for globstar behavior,
        // and will not contain any / characters
        //
        // First, we preprocess to make the glob pattern sets a bit simpler
        // and deduped.  There are some perf-killing patterns that can cause
        // problems with a glob walk, but we can simplify them down a bit.
        const rawGlobParts = this.globSet.map(s => this.slashSplit(s));
        this.globParts = this.preprocess(rawGlobParts);
        this.debug(this.pattern, this.globParts);
        // glob --> regexps
        let set = this.globParts.map((s, _, __) => {
            if (this.isWindows && this.windowsNoMagicRoot) {
                // check if it's a drive or unc path.
                const isUNC = s[0] === '' &&
                    s[1] === '' &&
                    (s[2] === '?' || !globMagic.test(s[2])) &&
                    !globMagic.test(s[3]);
                const isDrive = /^[a-z]:/i.test(s[0]);
                if (isUNC) {
                    return [...s.slice(0, 4), ...s.slice(4).map(ss => this.parse(ss))];
                }
                else if (isDrive) {
                    return [s[0], ...s.slice(1).map(ss => this.parse(ss))];
                }
            }
            return s.map(ss => this.parse(ss));
        });
        this.debug(this.pattern, set);
        // filter out everything that didn't compile properly.
        this.set = set.filter(s => s.indexOf(false) === -1);
        // do not treat the ? in UNC paths as magic
        if (this.isWindows) {
            for (let i = 0; i < this.set.length; i++) {
                const p = this.set[i];
                if (p[0] === '' &&
                    p[1] === '' &&
                    this.globParts[i][2] === '?' &&
                    typeof p[3] === 'string' &&
                    /^[a-z]:$/i.test(p[3])) {
                    p[2] = '?';
                }
            }
        }
        this.debug(this.pattern, this.set);
    }
    // various transforms to equivalent pattern sets that are
    // faster to process in a filesystem walk.  The goal is to
    // eliminate what we can, and push all ** patterns as far
    // to the right as possible, even if it increases the number
    // of patterns that we have to process.
    preprocess(globParts) {
        // if we're not in globstar mode, then turn all ** into *
        if (this.options.noglobstar) {
            for (let i = 0; i < globParts.length; i++) {
                for (let j = 0; j < globParts[i].length; j++) {
                    if (globParts[i][j] === '**') {
                        globParts[i][j] = '*';
                    }
                }
            }
        }
        const { optimizationLevel = 1 } = this.options;
        if (optimizationLevel >= 2) {
            // aggressive optimization for the purpose of fs walking
            globParts = this.firstPhasePreProcess(globParts);
            globParts = this.secondPhasePreProcess(globParts);
        }
        else if (optimizationLevel >= 1) {
            // just basic optimizations to remove some .. parts
            globParts = this.levelOneOptimize(globParts);
        }
        else {
            globParts = this.adjascentGlobstarOptimize(globParts);
        }
        return globParts;
    }
    // just get rid of adjascent ** portions
    adjascentGlobstarOptimize(globParts) {
        return globParts.map(parts => {
            let gs = -1;
            while (-1 !== (gs = parts.indexOf('**', gs + 1))) {
                let i = gs;
                while (parts[i + 1] === '**') {
                    i++;
                }
                if (i !== gs) {
                    parts.splice(gs, i - gs);
                }
            }
            return parts;
        });
    }
    // get rid of adjascent ** and resolve .. portions
    levelOneOptimize(globParts) {
        return globParts.map(parts => {
            parts = parts.reduce((set, part) => {
                const prev = set[set.length - 1];
                if (part === '**' && prev === '**') {
                    return set;
                }
                if (part === '..') {
                    if (prev && prev !== '..' && prev !== '.' && prev !== '**') {
                        set.pop();
                        return set;
                    }
                }
                set.push(part);
                return set;
            }, []);
            return parts.length === 0 ? [''] : parts;
        });
    }
    levelTwoFileOptimize(parts) {
        if (!Array.isArray(parts)) {
            parts = this.slashSplit(parts);
        }
        let didSomething = false;
        do {
            didSomething = false;
            // <pre>/<e>/<rest> -> <pre>/<rest>
            if (!this.preserveMultipleSlashes) {
                for (let i = 1; i < parts.length - 1; i++) {
                    const p = parts[i];
                    // don't squeeze out UNC patterns
                    if (i === 1 && p === '' && parts[0] === '')
                        continue;
                    if (p === '.' || p === '') {
                        didSomething = true;
                        parts.splice(i, 1);
                        i--;
                    }
                }
                if (parts[0] === '.' &&
                    parts.length === 2 &&
                    (parts[1] === '.' || parts[1] === '')) {
                    didSomething = true;
                    parts.pop();
                }
            }
            // <pre>/<p>/../<rest> -> <pre>/<rest>
            let dd = 0;
            while (-1 !== (dd = parts.indexOf('..', dd + 1))) {
                const p = parts[dd - 1];
                if (p && p !== '.' && p !== '..' && p !== '**') {
                    didSomething = true;
                    parts.splice(dd - 1, 2);
                    dd -= 2;
                }
            }
        } while (didSomething);
        return parts.length === 0 ? [''] : parts;
    }
    // First phase: single-pattern processing
    // <pre> is 1 or more portions
    // <rest> is 1 or more portions
    // <p> is any portion other than ., .., '', or **
    // <e> is . or ''
    //
    // **/.. is *brutal* for filesystem walking performance, because
    // it effectively resets the recursive walk each time it occurs,
    // and ** cannot be reduced out by a .. pattern part like a regexp
    // or most strings (other than .., ., and '') can be.
    //
    // <pre>/**/../<p>/<p>/<rest> -> {<pre>/../<p>/<p>/<rest>,<pre>/**/<p>/<p>/<rest>}
    // <pre>/<e>/<rest> -> <pre>/<rest>
    // <pre>/<p>/../<rest> -> <pre>/<rest>
    // **/**/<rest> -> **/<rest>
    //
    // **/*/<rest> -> */**/<rest> <== not valid because ** doesn't follow
    // this WOULD be allowed if ** did follow symlinks, or * didn't
    firstPhasePreProcess(globParts) {
        let didSomething = false;
        do {
            didSomething = false;
            // <pre>/**/../<p>/<p>/<rest> -> {<pre>/../<p>/<p>/<rest>,<pre>/**/<p>/<p>/<rest>}
            for (let parts of globParts) {
                let gs = -1;
                while (-1 !== (gs = parts.indexOf('**', gs + 1))) {
                    let gss = gs;
                    while (parts[gss + 1] === '**') {
                        // <pre>/**/**/<rest> -> <pre>/**/<rest>
                        gss++;
                    }
                    // eg, if gs is 2 and gss is 4, that means we have 3 **
                    // parts, and can remove 2 of them.
                    if (gss > gs) {
                        parts.splice(gs + 1, gss - gs);
                    }
                    let next = parts[gs + 1];
                    const p = parts[gs + 2];
                    const p2 = parts[gs + 3];
                    if (next !== '..')
                        continue;
                    if (!p ||
                        p === '.' ||
                        p === '..' ||
                        !p2 ||
                        p2 === '.' ||
                        p2 === '..') {
                        continue;
                    }
                    didSomething = true;
                    // edit parts in place, and push the new one
                    parts.splice(gs, 1);
                    const other = parts.slice(0);
                    other[gs] = '**';
                    globParts.push(other);
                    gs--;
                }
                // <pre>/<e>/<rest> -> <pre>/<rest>
                if (!this.preserveMultipleSlashes) {
                    for (let i = 1; i < parts.length - 1; i++) {
                        const p = parts[i];
                        // don't squeeze out UNC patterns
                        if (i === 1 && p === '' && parts[0] === '')
                            continue;
                        if (p === '.' || p === '') {
                            didSomething = true;
                            parts.splice(i, 1);
                            i--;
                        }
                    }
                    if (parts[0] === '.' &&
                        parts.length === 2 &&
                        (parts[1] === '.' || parts[1] === '')) {
                        didSomething = true;
                        parts.pop();
                    }
                }
                // <pre>/<p>/../<rest> -> <pre>/<rest>
                let dd = 0;
                while (-1 !== (dd = parts.indexOf('..', dd + 1))) {
                    const p = parts[dd - 1];
                    if (p && p !== '.' && p !== '..' && p !== '**') {
                        didSomething = true;
                        const needDot = dd === 1 && parts[dd + 1] === '**';
                        const splin = needDot ? ['.'] : [];
                        parts.splice(dd - 1, 2, ...splin);
                        if (parts.length === 0)
                            parts.push('');
                        dd -= 2;
                    }
                }
            }
        } while (didSomething);
        return globParts;
    }
    // second phase: multi-pattern dedupes
    // {<pre>/*/<rest>,<pre>/<p>/<rest>} -> <pre>/*/<rest>
    // {<pre>/<rest>,<pre>/<rest>} -> <pre>/<rest>
    // {<pre>/**/<rest>,<pre>/<rest>} -> <pre>/**/<rest>
    //
    // {<pre>/**/<rest>,<pre>/**/<p>/<rest>} -> <pre>/**/<rest>
    // ^-- not valid because ** doens't follow symlinks
    secondPhasePreProcess(globParts) {
        for (let i = 0; i < globParts.length - 1; i++) {
            for (let j = i + 1; j < globParts.length; j++) {
                const matched = this.partsMatch(globParts[i], globParts[j], !this.preserveMultipleSlashes);
                if (!matched)
                    continue;
                globParts[i] = matched;
                globParts[j] = [];
            }
        }
        return globParts.filter(gs => gs.length);
    }
    partsMatch(a, b, emptyGSMatch = false) {
        let ai = 0;
        let bi = 0;
        let result = [];
        let which = '';
        while (ai < a.length && bi < b.length) {
            if (a[ai] === b[bi]) {
                result.push(which === 'b' ? b[bi] : a[ai]);
                ai++;
                bi++;
            }
            else if (emptyGSMatch && a[ai] === '**' && b[bi] === a[ai + 1]) {
                result.push(a[ai]);
                ai++;
            }
            else if (emptyGSMatch && b[bi] === '**' && a[ai] === b[bi + 1]) {
                result.push(b[bi]);
                bi++;
            }
            else if (a[ai] === '*' &&
                b[bi] &&
                (this.options.dot || !b[bi].startsWith('.')) &&
                b[bi] !== '**') {
                if (which === 'b')
                    return false;
                which = 'a';
                result.push(a[ai]);
                ai++;
                bi++;
            }
            else if (b[bi] === '*' &&
                a[ai] &&
                (this.options.dot || !a[ai].startsWith('.')) &&
                a[ai] !== '**') {
                if (which === 'a')
                    return false;
                which = 'b';
                result.push(b[bi]);
                ai++;
                bi++;
            }
            else {
                return false;
            }
        }
        // if we fall out of the loop, it means they two are identical
        // as long as their lengths match
        return a.length === b.length && result;
    }
    parseNegate() {
        if (this.nonegate)
            return;
        const pattern = this.pattern;
        let negate = false;
        let negateOffset = 0;
        for (let i = 0; i < pattern.length && pattern.charAt(i) === '!'; i++) {
            negate = !negate;
            negateOffset++;
        }
        if (negateOffset)
            this.pattern = pattern.slice(negateOffset);
        this.negate = negate;
    }
    // set partial to true to test if, for example,
    // "/a/b" matches the start of "/*/b/*/d"
    // Partial means, if you run out of file before you run
    // out of pattern, then that's fine, as long as all
    // the parts match.
    matchOne(file, pattern, partial = false) {
        const options = this.options;
        // UNC paths like //?/X:/... can match X:/... and vice versa
        // Drive letters in absolute drive or unc paths are always compared
        // case-insensitively.
        if (this.isWindows) {
            const fileDrive = typeof file[0] === 'string' && /^[a-z]:$/i.test(file[0]);
            const fileUNC = !fileDrive &&
                file[0] === '' &&
                file[1] === '' &&
                file[2] === '?' &&
                /^[a-z]:$/i.test(file[3]);
            const patternDrive = typeof pattern[0] === 'string' && /^[a-z]:$/i.test(pattern[0]);
            const patternUNC = !patternDrive &&
                pattern[0] === '' &&
                pattern[1] === '' &&
                pattern[2] === '?' &&
                typeof pattern[3] === 'string' &&
                /^[a-z]:$/i.test(pattern[3]);
            const fdi = fileUNC ? 3 : fileDrive ? 0 : undefined;
            const pdi = patternUNC ? 3 : patternDrive ? 0 : undefined;
            if (typeof fdi === 'number' && typeof pdi === 'number') {
                const [fd, pd] = [file[fdi], pattern[pdi]];
                if (fd.toLowerCase() === pd.toLowerCase()) {
                    pattern[pdi] = fd;
                    if (pdi > fdi) {
                        pattern = pattern.slice(pdi);
                    }
                    else if (fdi > pdi) {
                        file = file.slice(fdi);
                    }
                }
            }
        }
        // resolve and reduce . and .. portions in the file as well.
        // dont' need to do the second phase, because it's only one string[]
        const { optimizationLevel = 1 } = this.options;
        if (optimizationLevel >= 2) {
            file = this.levelTwoFileOptimize(file);
        }
        this.debug('matchOne', this, { file, pattern });
        this.debug('matchOne', file.length, pattern.length);
        for (var fi = 0, pi = 0, fl = file.length, pl = pattern.length; fi < fl && pi < pl; fi++, pi++) {
            this.debug('matchOne loop');
            var p = pattern[pi];
            var f = file[fi];
            this.debug(pattern, p, f);
            // should be impossible.
            // some invalid regexp stuff in the set.
            /* c8 ignore start */
            if (p === false) {
                return false;
            }
            /* c8 ignore stop */
            if (p === GLOBSTAR$1) {
                this.debug('GLOBSTAR', [pattern, p, f]);
                // "**"
                // a/**/b/**/c would match the following:
                // a/b/x/y/z/c
                // a/x/y/z/b/c
                // a/b/x/b/x/c
                // a/b/c
                // To do this, take the rest of the pattern after
                // the **, and see if it would match the file remainder.
                // If so, return success.
                // If not, the ** "swallows" a segment, and try again.
                // This is recursively awful.
                //
                // a/**/b/**/c matching a/b/x/y/z/c
                // - a matches a
                // - doublestar
                //   - matchOne(b/x/y/z/c, b/**/c)
                //     - b matches b
                //     - doublestar
                //       - matchOne(x/y/z/c, c) -> no
                //       - matchOne(y/z/c, c) -> no
                //       - matchOne(z/c, c) -> no
                //       - matchOne(c, c) yes, hit
                var fr = fi;
                var pr = pi + 1;
                if (pr === pl) {
                    this.debug('** at the end');
                    // a ** at the end will just swallow the rest.
                    // We have found a match.
                    // however, it will not swallow /.x, unless
                    // options.dot is set.
                    // . and .. are *never* matched by **, for explosively
                    // exponential reasons.
                    for (; fi < fl; fi++) {
                        if (file[fi] === '.' ||
                            file[fi] === '..' ||
                            (!options.dot && file[fi].charAt(0) === '.'))
                            return false;
                    }
                    return true;
                }
                // ok, let's see if we can swallow whatever we can.
                while (fr < fl) {
                    var swallowee = file[fr];
                    this.debug('\nglobstar while', file, fr, pattern, pr, swallowee);
                    // XXX remove this slice.  Just pass the start index.
                    if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
                        this.debug('globstar found match!', fr, fl, swallowee);
                        // found a match.
                        return true;
                    }
                    else {
                        // can't swallow "." or ".." ever.
                        // can only swallow ".foo" when explicitly asked.
                        if (swallowee === '.' ||
                            swallowee === '..' ||
                            (!options.dot && swallowee.charAt(0) === '.')) {
                            this.debug('dot detected!', file, fr, pattern, pr);
                            break;
                        }
                        // ** swallows a segment, and continue.
                        this.debug('globstar swallow a segment, and continue');
                        fr++;
                    }
                }
                // no match was found.
                // However, in partial mode, we can't say this is necessarily over.
                /* c8 ignore start */
                if (partial) {
                    // ran out of file
                    this.debug('\n>>> no match, partial?', file, fr, pattern, pr);
                    if (fr === fl) {
                        return true;
                    }
                }
                /* c8 ignore stop */
                return false;
            }
            // something other than **
            // non-magic patterns just have to match exactly
            // patterns with magic have been turned into regexps.
            let hit;
            if (typeof p === 'string') {
                hit = f === p;
                this.debug('string match', p, f, hit);
            }
            else {
                hit = p.test(f);
                this.debug('pattern match', p, f, hit);
            }
            if (!hit)
                return false;
        }
        // Note: ending in / means that we'll get a final ""
        // at the end of the pattern.  This can only match a
        // corresponding "" at the end of the file.
        // If the file ends in /, then it can only match a
        // a pattern that ends in /, unless the pattern just
        // doesn't have any more for it. But, a/b/ should *not*
        // match "a/b/*", even though "" matches against the
        // [^/]*? pattern, except in partial mode, where it might
        // simply not be reached yet.
        // However, a/b/ should still satisfy a/*
        // now either we fell off the end of the pattern, or we're done.
        if (fi === fl && pi === pl) {
            // ran out of pattern and filename at the same time.
            // an exact hit!
            return true;
        }
        else if (fi === fl) {
            // ran out of file, but still had pattern left.
            // this is ok if we're doing the match as part of
            // a glob fs traversal.
            return partial;
        }
        else if (pi === pl) {
            // ran out of pattern, still have file left.
            // this is only acceptable if we're on the very last
            // empty segment of a file with a trailing slash.
            // a/* should match a/b/
            return fi === fl - 1 && file[fi] === '';
            /* c8 ignore start */
        }
        else {
            // should be unreachable.
            throw new Error('wtf?');
        }
        /* c8 ignore stop */
    }
    braceExpand() {
        return braceExpand(this.pattern, this.options);
    }
    parse(pattern) {
        assertValidPattern(pattern);
        const options = this.options;
        // shortcuts
        if (pattern === '**')
            return GLOBSTAR$1;
        if (pattern === '')
            return '';
        // far and away, the most common glob pattern parts are
        // *, *.*, and *.<ext>  Add a fast check method for those.
        let m;
        let fastTest = null;
        if ((m = pattern.match(starRE))) {
            fastTest = options.dot ? starTestDot : starTest;
        }
        else if ((m = pattern.match(starDotExtRE))) {
            fastTest = (options.nocase
                ? options.dot
                    ? starDotExtTestNocaseDot
                    : starDotExtTestNocase
                : options.dot
                    ? starDotExtTestDot
                    : starDotExtTest)(m[1]);
        }
        else if ((m = pattern.match(qmarksRE))) {
            fastTest = (options.nocase
                ? options.dot
                    ? qmarksTestNocaseDot
                    : qmarksTestNocase
                : options.dot
                    ? qmarksTestDot
                    : qmarksTest)(m);
        }
        else if ((m = pattern.match(starDotStarRE))) {
            fastTest = options.dot ? starDotStarTestDot : starDotStarTest;
        }
        else if ((m = pattern.match(dotStarRE))) {
            fastTest = dotStarTest;
        }
        const re = AST.fromGlob(pattern, this.options).toMMPattern();
        return fastTest ? Object.assign(re, { test: fastTest }) : re;
    }
    makeRe() {
        if (this.regexp || this.regexp === false)
            return this.regexp;
        // at this point, this.set is a 2d array of partial
        // pattern strings, or "**".
        //
        // It's better to use .match().  This function shouldn't
        // be used, really, but it's pretty convenient sometimes,
        // when you just want to work with a regex.
        const set = this.set;
        if (!set.length) {
            this.regexp = false;
            return this.regexp;
        }
        const options = this.options;
        const twoStar = options.noglobstar
            ? star$1
            : options.dot
                ? twoStarDot
                : twoStarNoDot;
        const flags = new Set(options.nocase ? ['i'] : []);
        // regexpify non-globstar patterns
        // if ** is only item, then we just do one twoStar
        // if ** is first, and there are more, prepend (\/|twoStar\/)? to next
        // if ** is last, append (\/twoStar|) to previous
        // if ** is in the middle, append (\/|\/twoStar\/) to previous
        // then filter out GLOBSTAR symbols
        let re = set
            .map(pattern => {
            const pp = pattern.map(p => {
                if (p instanceof RegExp) {
                    for (const f of p.flags.split(''))
                        flags.add(f);
                }
                return typeof p === 'string'
                    ? regExpEscape(p)
                    : p === GLOBSTAR$1
                        ? GLOBSTAR$1
                        : p._src;
            });
            pp.forEach((p, i) => {
                const next = pp[i + 1];
                const prev = pp[i - 1];
                if (p !== GLOBSTAR$1 || prev === GLOBSTAR$1) {
                    return;
                }
                if (prev === undefined) {
                    if (next !== undefined && next !== GLOBSTAR$1) {
                        pp[i + 1] = '(?:\\/|' + twoStar + '\\/)?' + next;
                    }
                    else {
                        pp[i] = twoStar;
                    }
                }
                else if (next === undefined) {
                    pp[i - 1] = prev + '(?:\\/|' + twoStar + ')?';
                }
                else if (next !== GLOBSTAR$1) {
                    pp[i - 1] = prev + '(?:\\/|\\/' + twoStar + '\\/)' + next;
                    pp[i + 1] = GLOBSTAR$1;
                }
            });
            return pp.filter(p => p !== GLOBSTAR$1).join('/');
        })
            .join('|');
        // need to wrap in parens if we had more than one thing with |,
        // otherwise only the first will be anchored to ^ and the last to $
        const [open, close] = set.length > 1 ? ['(?:', ')'] : ['', ''];
        // must match entire pattern
        // ending in a * or ** will make it less strict.
        re = '^' + open + re + close + '$';
        // can match anything, as long as it's not this.
        if (this.negate)
            re = '^(?!' + re + ').+$';
        try {
            this.regexp = new RegExp(re, [...flags].join(''));
            /* c8 ignore start */
        }
        catch (ex) {
            // should be impossible
            this.regexp = false;
        }
        /* c8 ignore stop */
        return this.regexp;
    }
    slashSplit(p) {
        // if p starts with // on windows, we preserve that
        // so that UNC paths aren't broken.  Otherwise, any number of
        // / characters are coalesced into one, unless
        // preserveMultipleSlashes is set to true.
        if (this.preserveMultipleSlashes) {
            return p.split('/');
        }
        else if (this.isWindows && /^\/\/[^\/]+/.test(p)) {
            // add an extra '' for the one we lose
            return ['', ...p.split(/\/+/)];
        }
        else {
            return p.split(/\/+/);
        }
    }
    match(f, partial = this.partial) {
        this.debug('match', f, this.pattern);
        // short-circuit in the case of busted things.
        // comments, etc.
        if (this.comment) {
            return false;
        }
        if (this.empty) {
            return f === '';
        }
        if (f === '/' && partial) {
            return true;
        }
        const options = this.options;
        // windows: need to use /, not \
        if (this.isWindows) {
            f = f.split('\\').join('/');
        }
        // treat the test path as a set of pathparts.
        const ff = this.slashSplit(f);
        this.debug(this.pattern, 'split', ff);
        // just ONE of the pattern sets in this.set needs to match
        // in order for it to be valid.  If negating, then just one
        // match means that we have failed.
        // Either way, return on the first hit.
        const set = this.set;
        this.debug(this.pattern, 'set', set);
        // Find the basename of the path by looking for the last non-empty segment
        let filename = ff[ff.length - 1];
        if (!filename) {
            for (let i = ff.length - 2; !filename && i >= 0; i--) {
                filename = ff[i];
            }
        }
        for (let i = 0; i < set.length; i++) {
            const pattern = set[i];
            let file = ff;
            if (options.matchBase && pattern.length === 1) {
                file = [filename];
            }
            const hit = this.matchOne(file, pattern, partial);
            if (hit) {
                if (options.flipNegate) {
                    return true;
                }
                return !this.negate;
            }
        }
        // didn't get any hits.  this is success if it's a negative
        // pattern, failure otherwise.
        if (options.flipNegate) {
            return false;
        }
        return this.negate;
    }
    static defaults(def) {
        return minimatch.defaults(def).Minimatch;
    }
}
/* c8 ignore stop */
minimatch.AST = AST;
minimatch.Minimatch = Minimatch;
minimatch.escape = escape$4;
minimatch.unescape = unescape;

/**
 * @module LRUCache
 */
const perf = typeof performance === 'object' &&
    performance &&
    typeof performance.now === 'function'
    ? performance
    : Date;
const warned = new Set();
/* c8 ignore start */
const PROCESS = (typeof process === 'object' && !!process ? process : {});
/* c8 ignore start */
const emitWarning = (msg, type, code, fn) => {
    typeof PROCESS.emitWarning === 'function'
        ? PROCESS.emitWarning(msg, type, code, fn)
        : console.error(`[${code}] ${type}: ${msg}`);
};
let AC = globalThis.AbortController;
let AS = globalThis.AbortSignal;
/* c8 ignore start */
if (typeof AC === 'undefined') {
    //@ts-ignore
    AS = class AbortSignal {
        onabort;
        _onabort = [];
        reason;
        aborted = false;
        addEventListener(_, fn) {
            this._onabort.push(fn);
        }
    };
    //@ts-ignore
    AC = class AbortController {
        constructor() {
            warnACPolyfill();
        }
        signal = new AS();
        abort(reason) {
            if (this.signal.aborted)
                return;
            //@ts-ignore
            this.signal.reason = reason;
            //@ts-ignore
            this.signal.aborted = true;
            //@ts-ignore
            for (const fn of this.signal._onabort) {
                fn(reason);
            }
            this.signal.onabort?.(reason);
        }
    };
    let printACPolyfillWarning = PROCESS.env?.LRU_CACHE_IGNORE_AC_WARNING !== '1';
    const warnACPolyfill = () => {
        if (!printACPolyfillWarning)
            return;
        printACPolyfillWarning = false;
        emitWarning('AbortController is not defined. If using lru-cache in ' +
            'node 14, load an AbortController polyfill from the ' +
            '`node-abort-controller` package. A minimal polyfill is ' +
            'provided for use by LRUCache.fetch(), but it should not be ' +
            'relied upon in other contexts (eg, passing it to other APIs that ' +
            'use AbortController/AbortSignal might have undesirable effects). ' +
            'You may disable this with LRU_CACHE_IGNORE_AC_WARNING=1 in the env.', 'NO_ABORT_CONTROLLER', 'ENOTSUP', warnACPolyfill);
    };
}
/* c8 ignore stop */
const shouldWarn = (code) => !warned.has(code);
const isPosInt = (n) => n && n === Math.floor(n) && n > 0 && isFinite(n);
/* c8 ignore start */
// This is a little bit ridiculous, tbh.
// The maximum array length is 2^32-1 or thereabouts on most JS impls.
// And well before that point, you're caching the entire world, I mean,
// that's ~32GB of just integers for the next/prev links, plus whatever
// else to hold that many keys and values.  Just filling the memory with
// zeroes at init time is brutal when you get that big.
// But why not be complete?
// Maybe in the future, these limits will have expanded.
const getUintArray = (max) => !isPosInt(max)
    ? null
    : max <= Math.pow(2, 8)
        ? Uint8Array
        : max <= Math.pow(2, 16)
            ? Uint16Array
            : max <= Math.pow(2, 32)
                ? Uint32Array
                : max <= Number.MAX_SAFE_INTEGER
                    ? ZeroArray
                    : null;
/* c8 ignore stop */
class ZeroArray extends Array {
    constructor(size) {
        super(size);
        this.fill(0);
    }
}
class Stack {
    heap;
    length;
    // private constructor
    static #constructing = false;
    static create(max) {
        const HeapCls = getUintArray(max);
        if (!HeapCls)
            return [];
        Stack.#constructing = true;
        const s = new Stack(max, HeapCls);
        Stack.#constructing = false;
        return s;
    }
    constructor(max, HeapCls) {
        /* c8 ignore start */
        if (!Stack.#constructing) {
            throw new TypeError('instantiate Stack using Stack.create(n)');
        }
        /* c8 ignore stop */
        this.heap = new HeapCls(max);
        this.length = 0;
    }
    push(n) {
        this.heap[this.length++] = n;
    }
    pop() {
        return this.heap[--this.length];
    }
}
/**
 * Default export, the thing you're using this module to get.
 *
 * All properties from the options object (with the exception of
 * {@link OptionsBase.max} and {@link OptionsBase.maxSize}) are added as
 * normal public members. (`max` and `maxBase` are read-only getters.)
 * Changing any of these will alter the defaults for subsequent method calls,
 * but is otherwise safe.
 */
class LRUCache {
    // properties coming in from the options of these, only max and maxSize
    // really *need* to be protected. The rest can be modified, as they just
    // set defaults for various methods.
    #max;
    #maxSize;
    #dispose;
    #disposeAfter;
    #fetchMethod;
    /**
     * {@link LRUCache.OptionsBase.ttl}
     */
    ttl;
    /**
     * {@link LRUCache.OptionsBase.ttlResolution}
     */
    ttlResolution;
    /**
     * {@link LRUCache.OptionsBase.ttlAutopurge}
     */
    ttlAutopurge;
    /**
     * {@link LRUCache.OptionsBase.updateAgeOnGet}
     */
    updateAgeOnGet;
    /**
     * {@link LRUCache.OptionsBase.updateAgeOnHas}
     */
    updateAgeOnHas;
    /**
     * {@link LRUCache.OptionsBase.allowStale}
     */
    allowStale;
    /**
     * {@link LRUCache.OptionsBase.noDisposeOnSet}
     */
    noDisposeOnSet;
    /**
     * {@link LRUCache.OptionsBase.noUpdateTTL}
     */
    noUpdateTTL;
    /**
     * {@link LRUCache.OptionsBase.maxEntrySize}
     */
    maxEntrySize;
    /**
     * {@link LRUCache.OptionsBase.sizeCalculation}
     */
    sizeCalculation;
    /**
     * {@link LRUCache.OptionsBase.noDeleteOnFetchRejection}
     */
    noDeleteOnFetchRejection;
    /**
     * {@link LRUCache.OptionsBase.noDeleteOnStaleGet}
     */
    noDeleteOnStaleGet;
    /**
     * {@link LRUCache.OptionsBase.allowStaleOnFetchAbort}
     */
    allowStaleOnFetchAbort;
    /**
     * {@link LRUCache.OptionsBase.allowStaleOnFetchRejection}
     */
    allowStaleOnFetchRejection;
    /**
     * {@link LRUCache.OptionsBase.ignoreFetchAbort}
     */
    ignoreFetchAbort;
    // computed properties
    #size;
    #calculatedSize;
    #keyMap;
    #keyList;
    #valList;
    #next;
    #prev;
    #head;
    #tail;
    #free;
    #disposed;
    #sizes;
    #starts;
    #ttls;
    #hasDispose;
    #hasFetchMethod;
    #hasDisposeAfter;
    /**
     * Do not call this method unless you need to inspect the
     * inner workings of the cache.  If anything returned by this
     * object is modified in any way, strange breakage may occur.
     *
     * These fields are private for a reason!
     *
     * @internal
     */
    static unsafeExposeInternals(c) {
        return {
            // properties
            starts: c.#starts,
            ttls: c.#ttls,
            sizes: c.#sizes,
            keyMap: c.#keyMap,
            keyList: c.#keyList,
            valList: c.#valList,
            next: c.#next,
            prev: c.#prev,
            get head() {
                return c.#head;
            },
            get tail() {
                return c.#tail;
            },
            free: c.#free,
            // methods
            isBackgroundFetch: (p) => c.#isBackgroundFetch(p),
            backgroundFetch: (k, index, options, context) => c.#backgroundFetch(k, index, options, context),
            moveToTail: (index) => c.#moveToTail(index),
            indexes: (options) => c.#indexes(options),
            rindexes: (options) => c.#rindexes(options),
            isStale: (index) => c.#isStale(index),
        };
    }
    // Protected read-only members
    /**
     * {@link LRUCache.OptionsBase.max} (read-only)
     */
    get max() {
        return this.#max;
    }
    /**
     * {@link LRUCache.OptionsBase.maxSize} (read-only)
     */
    get maxSize() {
        return this.#maxSize;
    }
    /**
     * The total computed size of items in the cache (read-only)
     */
    get calculatedSize() {
        return this.#calculatedSize;
    }
    /**
     * The number of items stored in the cache (read-only)
     */
    get size() {
        return this.#size;
    }
    /**
     * {@link LRUCache.OptionsBase.fetchMethod} (read-only)
     */
    get fetchMethod() {
        return this.#fetchMethod;
    }
    /**
     * {@link LRUCache.OptionsBase.dispose} (read-only)
     */
    get dispose() {
        return this.#dispose;
    }
    /**
     * {@link LRUCache.OptionsBase.disposeAfter} (read-only)
     */
    get disposeAfter() {
        return this.#disposeAfter;
    }
    constructor(options) {
        const { max = 0, ttl, ttlResolution = 1, ttlAutopurge, updateAgeOnGet, updateAgeOnHas, allowStale, dispose, disposeAfter, noDisposeOnSet, noUpdateTTL, maxSize = 0, maxEntrySize = 0, sizeCalculation, fetchMethod, noDeleteOnFetchRejection, noDeleteOnStaleGet, allowStaleOnFetchRejection, allowStaleOnFetchAbort, ignoreFetchAbort, } = options;
        if (max !== 0 && !isPosInt(max)) {
            throw new TypeError('max option must be a nonnegative integer');
        }
        const UintArray = max ? getUintArray(max) : Array;
        if (!UintArray) {
            throw new Error('invalid max value: ' + max);
        }
        this.#max = max;
        this.#maxSize = maxSize;
        this.maxEntrySize = maxEntrySize || this.#maxSize;
        this.sizeCalculation = sizeCalculation;
        if (this.sizeCalculation) {
            if (!this.#maxSize && !this.maxEntrySize) {
                throw new TypeError('cannot set sizeCalculation without setting maxSize or maxEntrySize');
            }
            if (typeof this.sizeCalculation !== 'function') {
                throw new TypeError('sizeCalculation set to non-function');
            }
        }
        if (fetchMethod !== undefined &&
            typeof fetchMethod !== 'function') {
            throw new TypeError('fetchMethod must be a function if specified');
        }
        this.#fetchMethod = fetchMethod;
        this.#hasFetchMethod = !!fetchMethod;
        this.#keyMap = new Map();
        this.#keyList = new Array(max).fill(undefined);
        this.#valList = new Array(max).fill(undefined);
        this.#next = new UintArray(max);
        this.#prev = new UintArray(max);
        this.#head = 0;
        this.#tail = 0;
        this.#free = Stack.create(max);
        this.#size = 0;
        this.#calculatedSize = 0;
        if (typeof dispose === 'function') {
            this.#dispose = dispose;
        }
        if (typeof disposeAfter === 'function') {
            this.#disposeAfter = disposeAfter;
            this.#disposed = [];
        }
        else {
            this.#disposeAfter = undefined;
            this.#disposed = undefined;
        }
        this.#hasDispose = !!this.#dispose;
        this.#hasDisposeAfter = !!this.#disposeAfter;
        this.noDisposeOnSet = !!noDisposeOnSet;
        this.noUpdateTTL = !!noUpdateTTL;
        this.noDeleteOnFetchRejection = !!noDeleteOnFetchRejection;
        this.allowStaleOnFetchRejection = !!allowStaleOnFetchRejection;
        this.allowStaleOnFetchAbort = !!allowStaleOnFetchAbort;
        this.ignoreFetchAbort = !!ignoreFetchAbort;
        // NB: maxEntrySize is set to maxSize if it's set
        if (this.maxEntrySize !== 0) {
            if (this.#maxSize !== 0) {
                if (!isPosInt(this.#maxSize)) {
                    throw new TypeError('maxSize must be a positive integer if specified');
                }
            }
            if (!isPosInt(this.maxEntrySize)) {
                throw new TypeError('maxEntrySize must be a positive integer if specified');
            }
            this.#initializeSizeTracking();
        }
        this.allowStale = !!allowStale;
        this.noDeleteOnStaleGet = !!noDeleteOnStaleGet;
        this.updateAgeOnGet = !!updateAgeOnGet;
        this.updateAgeOnHas = !!updateAgeOnHas;
        this.ttlResolution =
            isPosInt(ttlResolution) || ttlResolution === 0
                ? ttlResolution
                : 1;
        this.ttlAutopurge = !!ttlAutopurge;
        this.ttl = ttl || 0;
        if (this.ttl) {
            if (!isPosInt(this.ttl)) {
                throw new TypeError('ttl must be a positive integer if specified');
            }
            this.#initializeTTLTracking();
        }
        // do not allow completely unbounded caches
        if (this.#max === 0 && this.ttl === 0 && this.#maxSize === 0) {
            throw new TypeError('At least one of max, maxSize, or ttl is required');
        }
        if (!this.ttlAutopurge && !this.#max && !this.#maxSize) {
            const code = 'LRU_CACHE_UNBOUNDED';
            if (shouldWarn(code)) {
                warned.add(code);
                const msg = 'TTL caching without ttlAutopurge, max, or maxSize can ' +
                    'result in unbounded memory consumption.';
                emitWarning(msg, 'UnboundedCacheWarning', code, LRUCache);
            }
        }
    }
    /**
     * Return the remaining TTL time for a given entry key
     */
    getRemainingTTL(key) {
        return this.#keyMap.has(key) ? Infinity : 0;
    }
    #initializeTTLTracking() {
        const ttls = new ZeroArray(this.#max);
        const starts = new ZeroArray(this.#max);
        this.#ttls = ttls;
        this.#starts = starts;
        this.#setItemTTL = (index, ttl, start = perf.now()) => {
            starts[index] = ttl !== 0 ? start : 0;
            ttls[index] = ttl;
            if (ttl !== 0 && this.ttlAutopurge) {
                const t = setTimeout(() => {
                    if (this.#isStale(index)) {
                        this.delete(this.#keyList[index]);
                    }
                }, ttl + 1);
                // unref() not supported on all platforms
                /* c8 ignore start */
                if (t.unref) {
                    t.unref();
                }
                /* c8 ignore stop */
            }
        };
        this.#updateItemAge = index => {
            starts[index] = ttls[index] !== 0 ? perf.now() : 0;
        };
        this.#statusTTL = (status, index) => {
            if (ttls[index]) {
                const ttl = ttls[index];
                const start = starts[index];
                /* c8 ignore next */
                if (!ttl || !start)
                    return;
                status.ttl = ttl;
                status.start = start;
                status.now = cachedNow || getNow();
                const age = status.now - start;
                status.remainingTTL = ttl - age;
            }
        };
        // debounce calls to perf.now() to 1s so we're not hitting
        // that costly call repeatedly.
        let cachedNow = 0;
        const getNow = () => {
            const n = perf.now();
            if (this.ttlResolution > 0) {
                cachedNow = n;
                const t = setTimeout(() => (cachedNow = 0), this.ttlResolution);
                // not available on all platforms
                /* c8 ignore start */
                if (t.unref) {
                    t.unref();
                }
                /* c8 ignore stop */
            }
            return n;
        };
        this.getRemainingTTL = key => {
            const index = this.#keyMap.get(key);
            if (index === undefined) {
                return 0;
            }
            const ttl = ttls[index];
            const start = starts[index];
            if (!ttl || !start) {
                return Infinity;
            }
            const age = (cachedNow || getNow()) - start;
            return ttl - age;
        };
        this.#isStale = index => {
            const s = starts[index];
            const t = ttls[index];
            return !!t && !!s && (cachedNow || getNow()) - s > t;
        };
    }
    // conditionally set private methods related to TTL
    #updateItemAge = () => { };
    #statusTTL = () => { };
    #setItemTTL = () => { };
    /* c8 ignore stop */
    #isStale = () => false;
    #initializeSizeTracking() {
        const sizes = new ZeroArray(this.#max);
        this.#calculatedSize = 0;
        this.#sizes = sizes;
        this.#removeItemSize = index => {
            this.#calculatedSize -= sizes[index];
            sizes[index] = 0;
        };
        this.#requireSize = (k, v, size, sizeCalculation) => {
            // provisionally accept background fetches.
            // actual value size will be checked when they return.
            if (this.#isBackgroundFetch(v)) {
                return 0;
            }
            if (!isPosInt(size)) {
                if (sizeCalculation) {
                    if (typeof sizeCalculation !== 'function') {
                        throw new TypeError('sizeCalculation must be a function');
                    }
                    size = sizeCalculation(v, k);
                    if (!isPosInt(size)) {
                        throw new TypeError('sizeCalculation return invalid (expect positive integer)');
                    }
                }
                else {
                    throw new TypeError('invalid size value (must be positive integer). ' +
                        'When maxSize or maxEntrySize is used, sizeCalculation ' +
                        'or size must be set.');
                }
            }
            return size;
        };
        this.#addItemSize = (index, size, status) => {
            sizes[index] = size;
            if (this.#maxSize) {
                const maxSize = this.#maxSize - sizes[index];
                while (this.#calculatedSize > maxSize) {
                    this.#evict(true);
                }
            }
            this.#calculatedSize += sizes[index];
            if (status) {
                status.entrySize = size;
                status.totalCalculatedSize = this.#calculatedSize;
            }
        };
    }
    #removeItemSize = _i => { };
    #addItemSize = (_i, _s, _st) => { };
    #requireSize = (_k, _v, size, sizeCalculation) => {
        if (size || sizeCalculation) {
            throw new TypeError('cannot set size without setting maxSize or maxEntrySize on cache');
        }
        return 0;
    };
    *#indexes({ allowStale = this.allowStale } = {}) {
        if (this.#size) {
            for (let i = this.#tail; true;) {
                if (!this.#isValidIndex(i)) {
                    break;
                }
                if (allowStale || !this.#isStale(i)) {
                    yield i;
                }
                if (i === this.#head) {
                    break;
                }
                else {
                    i = this.#prev[i];
                }
            }
        }
    }
    *#rindexes({ allowStale = this.allowStale } = {}) {
        if (this.#size) {
            for (let i = this.#head; true;) {
                if (!this.#isValidIndex(i)) {
                    break;
                }
                if (allowStale || !this.#isStale(i)) {
                    yield i;
                }
                if (i === this.#tail) {
                    break;
                }
                else {
                    i = this.#next[i];
                }
            }
        }
    }
    #isValidIndex(index) {
        return (index !== undefined &&
            this.#keyMap.get(this.#keyList[index]) === index);
    }
    /**
     * Return a generator yielding `[key, value]` pairs,
     * in order from most recently used to least recently used.
     */
    *entries() {
        for (const i of this.#indexes()) {
            if (this.#valList[i] !== undefined &&
                this.#keyList[i] !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield [this.#keyList[i], this.#valList[i]];
            }
        }
    }
    /**
     * Inverse order version of {@link LRUCache.entries}
     *
     * Return a generator yielding `[key, value]` pairs,
     * in order from least recently used to most recently used.
     */
    *rentries() {
        for (const i of this.#rindexes()) {
            if (this.#valList[i] !== undefined &&
                this.#keyList[i] !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield [this.#keyList[i], this.#valList[i]];
            }
        }
    }
    /**
     * Return a generator yielding the keys in the cache,
     * in order from most recently used to least recently used.
     */
    *keys() {
        for (const i of this.#indexes()) {
            const k = this.#keyList[i];
            if (k !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield k;
            }
        }
    }
    /**
     * Inverse order version of {@link LRUCache.keys}
     *
     * Return a generator yielding the keys in the cache,
     * in order from least recently used to most recently used.
     */
    *rkeys() {
        for (const i of this.#rindexes()) {
            const k = this.#keyList[i];
            if (k !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield k;
            }
        }
    }
    /**
     * Return a generator yielding the values in the cache,
     * in order from most recently used to least recently used.
     */
    *values() {
        for (const i of this.#indexes()) {
            const v = this.#valList[i];
            if (v !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield this.#valList[i];
            }
        }
    }
    /**
     * Inverse order version of {@link LRUCache.values}
     *
     * Return a generator yielding the values in the cache,
     * in order from least recently used to most recently used.
     */
    *rvalues() {
        for (const i of this.#rindexes()) {
            const v = this.#valList[i];
            if (v !== undefined &&
                !this.#isBackgroundFetch(this.#valList[i])) {
                yield this.#valList[i];
            }
        }
    }
    /**
     * Iterating over the cache itself yields the same results as
     * {@link LRUCache.entries}
     */
    [Symbol.iterator]() {
        return this.entries();
    }
    /**
     * A String value that is used in the creation of the default string description of an object.
     * Called by the built-in method Object.prototype.toString.
     */
    [Symbol.toStringTag] = 'LRUCache';
    /**
     * Find a value for which the supplied fn method returns a truthy value,
     * similar to Array.find().  fn is called as fn(value, key, cache).
     */
    find(fn, getOptions = {}) {
        for (const i of this.#indexes()) {
            const v = this.#valList[i];
            const value = this.#isBackgroundFetch(v)
                ? v.__staleWhileFetching
                : v;
            if (value === undefined)
                continue;
            if (fn(value, this.#keyList[i], this)) {
                return this.get(this.#keyList[i], getOptions);
            }
        }
    }
    /**
     * Call the supplied function on each item in the cache, in order from
     * most recently used to least recently used.  fn is called as
     * fn(value, key, cache).  Does not update age or recenty of use.
     * Does not iterate over stale values.
     */
    forEach(fn, thisp = this) {
        for (const i of this.#indexes()) {
            const v = this.#valList[i];
            const value = this.#isBackgroundFetch(v)
                ? v.__staleWhileFetching
                : v;
            if (value === undefined)
                continue;
            fn.call(thisp, value, this.#keyList[i], this);
        }
    }
    /**
     * The same as {@link LRUCache.forEach} but items are iterated over in
     * reverse order.  (ie, less recently used items are iterated over first.)
     */
    rforEach(fn, thisp = this) {
        for (const i of this.#rindexes()) {
            const v = this.#valList[i];
            const value = this.#isBackgroundFetch(v)
                ? v.__staleWhileFetching
                : v;
            if (value === undefined)
                continue;
            fn.call(thisp, value, this.#keyList[i], this);
        }
    }
    /**
     * Delete any stale entries. Returns true if anything was removed,
     * false otherwise.
     */
    purgeStale() {
        let deleted = false;
        for (const i of this.#rindexes({ allowStale: true })) {
            if (this.#isStale(i)) {
                this.delete(this.#keyList[i]);
                deleted = true;
            }
        }
        return deleted;
    }
    /**
     * Get the extended info about a given entry, to get its value, size, and
     * TTL info simultaneously. Like {@link LRUCache#dump}, but just for a
     * single key. Always returns stale values, if their info is found in the
     * cache, so be sure to check for expired TTLs if relevant.
     */
    info(key) {
        const i = this.#keyMap.get(key);
        if (i === undefined)
            return undefined;
        const v = this.#valList[i];
        const value = this.#isBackgroundFetch(v)
            ? v.__staleWhileFetching
            : v;
        if (value === undefined)
            return undefined;
        const entry = { value };
        if (this.#ttls && this.#starts) {
            const ttl = this.#ttls[i];
            const start = this.#starts[i];
            if (ttl && start) {
                const remain = ttl - (perf.now() - start);
                entry.ttl = remain;
                entry.start = Date.now();
            }
        }
        if (this.#sizes) {
            entry.size = this.#sizes[i];
        }
        return entry;
    }
    /**
     * Return an array of [key, {@link LRUCache.Entry}] tuples which can be
     * passed to cache.load()
     */
    dump() {
        const arr = [];
        for (const i of this.#indexes({ allowStale: true })) {
            const key = this.#keyList[i];
            const v = this.#valList[i];
            const value = this.#isBackgroundFetch(v)
                ? v.__staleWhileFetching
                : v;
            if (value === undefined || key === undefined)
                continue;
            const entry = { value };
            if (this.#ttls && this.#starts) {
                entry.ttl = this.#ttls[i];
                // always dump the start relative to a portable timestamp
                // it's ok for this to be a bit slow, it's a rare operation.
                const age = perf.now() - this.#starts[i];
                entry.start = Math.floor(Date.now() - age);
            }
            if (this.#sizes) {
                entry.size = this.#sizes[i];
            }
            arr.unshift([key, entry]);
        }
        return arr;
    }
    /**
     * Reset the cache and load in the items in entries in the order listed.
     * Note that the shape of the resulting cache may be different if the
     * same options are not used in both caches.
     */
    load(arr) {
        this.clear();
        for (const [key, entry] of arr) {
            if (entry.start) {
                // entry.start is a portable timestamp, but we may be using
                // node's performance.now(), so calculate the offset, so that
                // we get the intended remaining TTL, no matter how long it's
                // been on ice.
                //
                // it's ok for this to be a bit slow, it's a rare operation.
                const age = Date.now() - entry.start;
                entry.start = perf.now() - age;
            }
            this.set(key, entry.value, entry);
        }
    }
    /**
     * Add a value to the cache.
     *
     * Note: if `undefined` is specified as a value, this is an alias for
     * {@link LRUCache#delete}
     */
    set(k, v, setOptions = {}) {
        if (v === undefined) {
            this.delete(k);
            return this;
        }
        const { ttl = this.ttl, start, noDisposeOnSet = this.noDisposeOnSet, sizeCalculation = this.sizeCalculation, status, } = setOptions;
        let { noUpdateTTL = this.noUpdateTTL } = setOptions;
        const size = this.#requireSize(k, v, setOptions.size || 0, sizeCalculation);
        // if the item doesn't fit, don't do anything
        // NB: maxEntrySize set to maxSize by default
        if (this.maxEntrySize && size > this.maxEntrySize) {
            if (status) {
                status.set = 'miss';
                status.maxEntrySizeExceeded = true;
            }
            // have to delete, in case something is there already.
            this.delete(k);
            return this;
        }
        let index = this.#size === 0 ? undefined : this.#keyMap.get(k);
        if (index === undefined) {
            // addition
            index = (this.#size === 0
                ? this.#tail
                : this.#free.length !== 0
                    ? this.#free.pop()
                    : this.#size === this.#max
                        ? this.#evict(false)
                        : this.#size);
            this.#keyList[index] = k;
            this.#valList[index] = v;
            this.#keyMap.set(k, index);
            this.#next[this.#tail] = index;
            this.#prev[index] = this.#tail;
            this.#tail = index;
            this.#size++;
            this.#addItemSize(index, size, status);
            if (status)
                status.set = 'add';
            noUpdateTTL = false;
        }
        else {
            // update
            this.#moveToTail(index);
            const oldVal = this.#valList[index];
            if (v !== oldVal) {
                if (this.#hasFetchMethod && this.#isBackgroundFetch(oldVal)) {
                    oldVal.__abortController.abort(new Error('replaced'));
                    const { __staleWhileFetching: s } = oldVal;
                    if (s !== undefined && !noDisposeOnSet) {
                        if (this.#hasDispose) {
                            this.#dispose?.(s, k, 'set');
                        }
                        if (this.#hasDisposeAfter) {
                            this.#disposed?.push([s, k, 'set']);
                        }
                    }
                }
                else if (!noDisposeOnSet) {
                    if (this.#hasDispose) {
                        this.#dispose?.(oldVal, k, 'set');
                    }
                    if (this.#hasDisposeAfter) {
                        this.#disposed?.push([oldVal, k, 'set']);
                    }
                }
                this.#removeItemSize(index);
                this.#addItemSize(index, size, status);
                this.#valList[index] = v;
                if (status) {
                    status.set = 'replace';
                    const oldValue = oldVal && this.#isBackgroundFetch(oldVal)
                        ? oldVal.__staleWhileFetching
                        : oldVal;
                    if (oldValue !== undefined)
                        status.oldValue = oldValue;
                }
            }
            else if (status) {
                status.set = 'update';
            }
        }
        if (ttl !== 0 && !this.#ttls) {
            this.#initializeTTLTracking();
        }
        if (this.#ttls) {
            if (!noUpdateTTL) {
                this.#setItemTTL(index, ttl, start);
            }
            if (status)
                this.#statusTTL(status, index);
        }
        if (!noDisposeOnSet && this.#hasDisposeAfter && this.#disposed) {
            const dt = this.#disposed;
            let task;
            while ((task = dt?.shift())) {
                this.#disposeAfter?.(...task);
            }
        }
        return this;
    }
    /**
     * Evict the least recently used item, returning its value or
     * `undefined` if cache is empty.
     */
    pop() {
        try {
            while (this.#size) {
                const val = this.#valList[this.#head];
                this.#evict(true);
                if (this.#isBackgroundFetch(val)) {
                    if (val.__staleWhileFetching) {
                        return val.__staleWhileFetching;
                    }
                }
                else if (val !== undefined) {
                    return val;
                }
            }
        }
        finally {
            if (this.#hasDisposeAfter && this.#disposed) {
                const dt = this.#disposed;
                let task;
                while ((task = dt?.shift())) {
                    this.#disposeAfter?.(...task);
                }
            }
        }
    }
    #evict(free) {
        const head = this.#head;
        const k = this.#keyList[head];
        const v = this.#valList[head];
        if (this.#hasFetchMethod && this.#isBackgroundFetch(v)) {
            v.__abortController.abort(new Error('evicted'));
        }
        else if (this.#hasDispose || this.#hasDisposeAfter) {
            if (this.#hasDispose) {
                this.#dispose?.(v, k, 'evict');
            }
            if (this.#hasDisposeAfter) {
                this.#disposed?.push([v, k, 'evict']);
            }
        }
        this.#removeItemSize(head);
        // if we aren't about to use the index, then null these out
        if (free) {
            this.#keyList[head] = undefined;
            this.#valList[head] = undefined;
            this.#free.push(head);
        }
        if (this.#size === 1) {
            this.#head = this.#tail = 0;
            this.#free.length = 0;
        }
        else {
            this.#head = this.#next[head];
        }
        this.#keyMap.delete(k);
        this.#size--;
        return head;
    }
    /**
     * Check if a key is in the cache, without updating the recency of use.
     * Will return false if the item is stale, even though it is technically
     * in the cache.
     *
     * Will not update item age unless
     * {@link LRUCache.OptionsBase.updateAgeOnHas} is set.
     */
    has(k, hasOptions = {}) {
        const { updateAgeOnHas = this.updateAgeOnHas, status } = hasOptions;
        const index = this.#keyMap.get(k);
        if (index !== undefined) {
            const v = this.#valList[index];
            if (this.#isBackgroundFetch(v) &&
                v.__staleWhileFetching === undefined) {
                return false;
            }
            if (!this.#isStale(index)) {
                if (updateAgeOnHas) {
                    this.#updateItemAge(index);
                }
                if (status) {
                    status.has = 'hit';
                    this.#statusTTL(status, index);
                }
                return true;
            }
            else if (status) {
                status.has = 'stale';
                this.#statusTTL(status, index);
            }
        }
        else if (status) {
            status.has = 'miss';
        }
        return false;
    }
    /**
     * Like {@link LRUCache#get} but doesn't update recency or delete stale
     * items.
     *
     * Returns `undefined` if the item is stale, unless
     * {@link LRUCache.OptionsBase.allowStale} is set.
     */
    peek(k, peekOptions = {}) {
        const { allowStale = this.allowStale } = peekOptions;
        const index = this.#keyMap.get(k);
        if (index === undefined ||
            (!allowStale && this.#isStale(index))) {
            return;
        }
        const v = this.#valList[index];
        // either stale and allowed, or forcing a refresh of non-stale value
        return this.#isBackgroundFetch(v) ? v.__staleWhileFetching : v;
    }
    #backgroundFetch(k, index, options, context) {
        const v = index === undefined ? undefined : this.#valList[index];
        if (this.#isBackgroundFetch(v)) {
            return v;
        }
        const ac = new AC();
        const { signal } = options;
        // when/if our AC signals, then stop listening to theirs.
        signal?.addEventListener('abort', () => ac.abort(signal.reason), {
            signal: ac.signal,
        });
        const fetchOpts = {
            signal: ac.signal,
            options,
            context,
        };
        const cb = (v, updateCache = false) => {
            const { aborted } = ac.signal;
            const ignoreAbort = options.ignoreFetchAbort && v !== undefined;
            if (options.status) {
                if (aborted && !updateCache) {
                    options.status.fetchAborted = true;
                    options.status.fetchError = ac.signal.reason;
                    if (ignoreAbort)
                        options.status.fetchAbortIgnored = true;
                }
                else {
                    options.status.fetchResolved = true;
                }
            }
            if (aborted && !ignoreAbort && !updateCache) {
                return fetchFail(ac.signal.reason);
            }
            // either we didn't abort, and are still here, or we did, and ignored
            const bf = p;
            if (this.#valList[index] === p) {
                if (v === undefined) {
                    if (bf.__staleWhileFetching) {
                        this.#valList[index] = bf.__staleWhileFetching;
                    }
                    else {
                        this.delete(k);
                    }
                }
                else {
                    if (options.status)
                        options.status.fetchUpdated = true;
                    this.set(k, v, fetchOpts.options);
                }
            }
            return v;
        };
        const eb = (er) => {
            if (options.status) {
                options.status.fetchRejected = true;
                options.status.fetchError = er;
            }
            return fetchFail(er);
        };
        const fetchFail = (er) => {
            const { aborted } = ac.signal;
            const allowStaleAborted = aborted && options.allowStaleOnFetchAbort;
            const allowStale = allowStaleAborted || options.allowStaleOnFetchRejection;
            const noDelete = allowStale || options.noDeleteOnFetchRejection;
            const bf = p;
            if (this.#valList[index] === p) {
                // if we allow stale on fetch rejections, then we need to ensure that
                // the stale value is not removed from the cache when the fetch fails.
                const del = !noDelete || bf.__staleWhileFetching === undefined;
                if (del) {
                    this.delete(k);
                }
                else if (!allowStaleAborted) {
                    // still replace the *promise* with the stale value,
                    // since we are done with the promise at this point.
                    // leave it untouched if we're still waiting for an
                    // aborted background fetch that hasn't yet returned.
                    this.#valList[index] = bf.__staleWhileFetching;
                }
            }
            if (allowStale) {
                if (options.status && bf.__staleWhileFetching !== undefined) {
                    options.status.returnedStale = true;
                }
                return bf.__staleWhileFetching;
            }
            else if (bf.__returned === bf) {
                throw er;
            }
        };
        const pcall = (res, rej) => {
            const fmp = this.#fetchMethod?.(k, v, fetchOpts);
            if (fmp && fmp instanceof Promise) {
                fmp.then(v => res(v === undefined ? undefined : v), rej);
            }
            // ignored, we go until we finish, regardless.
            // defer check until we are actually aborting,
            // so fetchMethod can override.
            ac.signal.addEventListener('abort', () => {
                if (!options.ignoreFetchAbort ||
                    options.allowStaleOnFetchAbort) {
                    res(undefined);
                    // when it eventually resolves, update the cache.
                    if (options.allowStaleOnFetchAbort) {
                        res = v => cb(v, true);
                    }
                }
            });
        };
        if (options.status)
            options.status.fetchDispatched = true;
        const p = new Promise(pcall).then(cb, eb);
        const bf = Object.assign(p, {
            __abortController: ac,
            __staleWhileFetching: v,
            __returned: undefined,
        });
        if (index === undefined) {
            // internal, don't expose status.
            this.set(k, bf, { ...fetchOpts.options, status: undefined });
            index = this.#keyMap.get(k);
        }
        else {
            this.#valList[index] = bf;
        }
        return bf;
    }
    #isBackgroundFetch(p) {
        if (!this.#hasFetchMethod)
            return false;
        const b = p;
        return (!!b &&
            b instanceof Promise &&
            b.hasOwnProperty('__staleWhileFetching') &&
            b.__abortController instanceof AC);
    }
    async fetch(k, fetchOptions = {}) {
        const { 
        // get options
        allowStale = this.allowStale, updateAgeOnGet = this.updateAgeOnGet, noDeleteOnStaleGet = this.noDeleteOnStaleGet, 
        // set options
        ttl = this.ttl, noDisposeOnSet = this.noDisposeOnSet, size = 0, sizeCalculation = this.sizeCalculation, noUpdateTTL = this.noUpdateTTL, 
        // fetch exclusive options
        noDeleteOnFetchRejection = this.noDeleteOnFetchRejection, allowStaleOnFetchRejection = this.allowStaleOnFetchRejection, ignoreFetchAbort = this.ignoreFetchAbort, allowStaleOnFetchAbort = this.allowStaleOnFetchAbort, context, forceRefresh = false, status, signal, } = fetchOptions;
        if (!this.#hasFetchMethod) {
            if (status)
                status.fetch = 'get';
            return this.get(k, {
                allowStale,
                updateAgeOnGet,
                noDeleteOnStaleGet,
                status,
            });
        }
        const options = {
            allowStale,
            updateAgeOnGet,
            noDeleteOnStaleGet,
            ttl,
            noDisposeOnSet,
            size,
            sizeCalculation,
            noUpdateTTL,
            noDeleteOnFetchRejection,
            allowStaleOnFetchRejection,
            allowStaleOnFetchAbort,
            ignoreFetchAbort,
            status,
            signal,
        };
        let index = this.#keyMap.get(k);
        if (index === undefined) {
            if (status)
                status.fetch = 'miss';
            const p = this.#backgroundFetch(k, index, options, context);
            return (p.__returned = p);
        }
        else {
            // in cache, maybe already fetching
            const v = this.#valList[index];
            if (this.#isBackgroundFetch(v)) {
                const stale = allowStale && v.__staleWhileFetching !== undefined;
                if (status) {
                    status.fetch = 'inflight';
                    if (stale)
                        status.returnedStale = true;
                }
                return stale ? v.__staleWhileFetching : (v.__returned = v);
            }
            // if we force a refresh, that means do NOT serve the cached value,
            // unless we are already in the process of refreshing the cache.
            const isStale = this.#isStale(index);
            if (!forceRefresh && !isStale) {
                if (status)
                    status.fetch = 'hit';
                this.#moveToTail(index);
                if (updateAgeOnGet) {
                    this.#updateItemAge(index);
                }
                if (status)
                    this.#statusTTL(status, index);
                return v;
            }
            // ok, it is stale or a forced refresh, and not already fetching.
            // refresh the cache.
            const p = this.#backgroundFetch(k, index, options, context);
            const hasStale = p.__staleWhileFetching !== undefined;
            const staleVal = hasStale && allowStale;
            if (status) {
                status.fetch = isStale ? 'stale' : 'refresh';
                if (staleVal && isStale)
                    status.returnedStale = true;
            }
            return staleVal ? p.__staleWhileFetching : (p.__returned = p);
        }
    }
    /**
     * Return a value from the cache. Will update the recency of the cache
     * entry found.
     *
     * If the key is not found, get() will return `undefined`.
     */
    get(k, getOptions = {}) {
        const { allowStale = this.allowStale, updateAgeOnGet = this.updateAgeOnGet, noDeleteOnStaleGet = this.noDeleteOnStaleGet, status, } = getOptions;
        const index = this.#keyMap.get(k);
        if (index !== undefined) {
            const value = this.#valList[index];
            const fetching = this.#isBackgroundFetch(value);
            if (status)
                this.#statusTTL(status, index);
            if (this.#isStale(index)) {
                if (status)
                    status.get = 'stale';
                // delete only if not an in-flight background fetch
                if (!fetching) {
                    if (!noDeleteOnStaleGet) {
                        this.delete(k);
                    }
                    if (status && allowStale)
                        status.returnedStale = true;
                    return allowStale ? value : undefined;
                }
                else {
                    if (status &&
                        allowStale &&
                        value.__staleWhileFetching !== undefined) {
                        status.returnedStale = true;
                    }
                    return allowStale ? value.__staleWhileFetching : undefined;
                }
            }
            else {
                if (status)
                    status.get = 'hit';
                // if we're currently fetching it, we don't actually have it yet
                // it's not stale, which means this isn't a staleWhileRefetching.
                // If it's not stale, and fetching, AND has a __staleWhileFetching
                // value, then that means the user fetched with {forceRefresh:true},
                // so it's safe to return that value.
                if (fetching) {
                    return value.__staleWhileFetching;
                }
                this.#moveToTail(index);
                if (updateAgeOnGet) {
                    this.#updateItemAge(index);
                }
                return value;
            }
        }
        else if (status) {
            status.get = 'miss';
        }
    }
    #connect(p, n) {
        this.#prev[n] = p;
        this.#next[p] = n;
    }
    #moveToTail(index) {
        // if tail already, nothing to do
        // if head, move head to next[index]
        // else
        //   move next[prev[index]] to next[index] (head has no prev)
        //   move prev[next[index]] to prev[index]
        // prev[index] = tail
        // next[tail] = index
        // tail = index
        if (index !== this.#tail) {
            if (index === this.#head) {
                this.#head = this.#next[index];
            }
            else {
                this.#connect(this.#prev[index], this.#next[index]);
            }
            this.#connect(this.#tail, index);
            this.#tail = index;
        }
    }
    /**
     * Deletes a key out of the cache.
     * Returns true if the key was deleted, false otherwise.
     */
    delete(k) {
        let deleted = false;
        if (this.#size !== 0) {
            const index = this.#keyMap.get(k);
            if (index !== undefined) {
                deleted = true;
                if (this.#size === 1) {
                    this.clear();
                }
                else {
                    this.#removeItemSize(index);
                    const v = this.#valList[index];
                    if (this.#isBackgroundFetch(v)) {
                        v.__abortController.abort(new Error('deleted'));
                    }
                    else if (this.#hasDispose || this.#hasDisposeAfter) {
                        if (this.#hasDispose) {
                            this.#dispose?.(v, k, 'delete');
                        }
                        if (this.#hasDisposeAfter) {
                            this.#disposed?.push([v, k, 'delete']);
                        }
                    }
                    this.#keyMap.delete(k);
                    this.#keyList[index] = undefined;
                    this.#valList[index] = undefined;
                    if (index === this.#tail) {
                        this.#tail = this.#prev[index];
                    }
                    else if (index === this.#head) {
                        this.#head = this.#next[index];
                    }
                    else {
                        const pi = this.#prev[index];
                        this.#next[pi] = this.#next[index];
                        const ni = this.#next[index];
                        this.#prev[ni] = this.#prev[index];
                    }
                    this.#size--;
                    this.#free.push(index);
                }
            }
        }
        if (this.#hasDisposeAfter && this.#disposed?.length) {
            const dt = this.#disposed;
            let task;
            while ((task = dt?.shift())) {
                this.#disposeAfter?.(...task);
            }
        }
        return deleted;
    }
    /**
     * Clear the cache entirely, throwing away all values.
     */
    clear() {
        for (const index of this.#rindexes({ allowStale: true })) {
            const v = this.#valList[index];
            if (this.#isBackgroundFetch(v)) {
                v.__abortController.abort(new Error('deleted'));
            }
            else {
                const k = this.#keyList[index];
                if (this.#hasDispose) {
                    this.#dispose?.(v, k, 'delete');
                }
                if (this.#hasDisposeAfter) {
                    this.#disposed?.push([v, k, 'delete']);
                }
            }
        }
        this.#keyMap.clear();
        this.#valList.fill(undefined);
        this.#keyList.fill(undefined);
        if (this.#ttls && this.#starts) {
            this.#ttls.fill(0);
            this.#starts.fill(0);
        }
        if (this.#sizes) {
            this.#sizes.fill(0);
        }
        this.#head = 0;
        this.#tail = 0;
        this.#free.length = 0;
        this.#calculatedSize = 0;
        this.#size = 0;
        if (this.#hasDisposeAfter && this.#disposed) {
            const dt = this.#disposed;
            let task;
            while ((task = dt?.shift())) {
                this.#disposeAfter?.(...task);
            }
        }
    }
}

const proc = typeof process === 'object' && process
    ? process
    : {
        stdout: null,
        stderr: null,
    };
/**
 * Return true if the argument is a Minipass stream, Node stream, or something
 * else that Minipass can interact with.
 */
const isStream = (s) => !!s &&
    typeof s === 'object' &&
    (s instanceof Minipass ||
        s instanceof require$$0$2 ||
        isReadable(s) ||
        isWritable(s));
/**
 * Return true if the argument is a valid {@link Minipass.Readable}
 */
const isReadable = (s) => !!s &&
    typeof s === 'object' &&
    s instanceof EventEmitter &&
    typeof s.pipe === 'function' &&
    // node core Writable streams have a pipe() method, but it throws
    s.pipe !== require$$0$2.Writable.prototype.pipe;
/**
 * Return true if the argument is a valid {@link Minipass.Writable}
 */
const isWritable = (s) => !!s &&
    typeof s === 'object' &&
    s instanceof EventEmitter &&
    typeof s.write === 'function' &&
    typeof s.end === 'function';
const EOF = Symbol('EOF');
const MAYBE_EMIT_END = Symbol('maybeEmitEnd');
const EMITTED_END = Symbol('emittedEnd');
const EMITTING_END = Symbol('emittingEnd');
const EMITTED_ERROR = Symbol('emittedError');
const CLOSED = Symbol('closed');
const READ = Symbol('read');
const FLUSH = Symbol('flush');
const FLUSHCHUNK = Symbol('flushChunk');
const ENCODING$1 = Symbol('encoding');
const DECODER = Symbol('decoder');
const FLOWING = Symbol('flowing');
const PAUSED = Symbol('paused');
const RESUME = Symbol('resume');
const BUFFER = Symbol('buffer');
const PIPES = Symbol('pipes');
const BUFFERLENGTH = Symbol('bufferLength');
const BUFFERPUSH = Symbol('bufferPush');
const BUFFERSHIFT = Symbol('bufferShift');
const OBJECTMODE = Symbol('objectMode');
// internal event when stream is destroyed
const DESTROYED = Symbol('destroyed');
// internal event when stream has an error
const ERROR = Symbol('error');
const EMITDATA = Symbol('emitData');
const EMITEND = Symbol('emitEnd');
const EMITEND2 = Symbol('emitEnd2');
const ASYNC = Symbol('async');
const ABORT = Symbol('abort');
const ABORTED = Symbol('aborted');
const SIGNAL = Symbol('signal');
const DATALISTENERS = Symbol('dataListeners');
const DISCARDED = Symbol('discarded');
const defer = (fn) => Promise.resolve().then(fn);
const nodefer = (fn) => fn();
const isEndish = (ev) => ev === 'end' || ev === 'finish' || ev === 'prefinish';
const isArrayBufferLike = (b) => b instanceof ArrayBuffer ||
    (!!b &&
        typeof b === 'object' &&
        b.constructor &&
        b.constructor.name === 'ArrayBuffer' &&
        b.byteLength >= 0);
const isArrayBufferView = (b) => !Buffer.isBuffer(b) && ArrayBuffer.isView(b);
/**
 * Internal class representing a pipe to a destination stream.
 *
 * @internal
 */
class Pipe {
    src;
    dest;
    opts;
    ondrain;
    constructor(src, dest, opts) {
        this.src = src;
        this.dest = dest;
        this.opts = opts;
        this.ondrain = () => src[RESUME]();
        this.dest.on('drain', this.ondrain);
    }
    unpipe() {
        this.dest.removeListener('drain', this.ondrain);
    }
    // only here for the prototype
    /* c8 ignore start */
    proxyErrors(_er) { }
    /* c8 ignore stop */
    end() {
        this.unpipe();
        if (this.opts.end)
            this.dest.end();
    }
}
/**
 * Internal class representing a pipe to a destination stream where
 * errors are proxied.
 *
 * @internal
 */
class PipeProxyErrors extends Pipe {
    unpipe() {
        this.src.removeListener('error', this.proxyErrors);
        super.unpipe();
    }
    constructor(src, dest, opts) {
        super(src, dest, opts);
        this.proxyErrors = er => dest.emit('error', er);
        src.on('error', this.proxyErrors);
    }
}
const isObjectModeOptions = (o) => !!o.objectMode;
const isEncodingOptions = (o) => !o.objectMode && !!o.encoding && o.encoding !== 'buffer';
/**
 * Main export, the Minipass class
 *
 * `RType` is the type of data emitted, defaults to Buffer
 *
 * `WType` is the type of data to be written, if RType is buffer or string,
 * then any {@link Minipass.ContiguousData} is allowed.
 *
 * `Events` is the set of event handler signatures that this object
 * will emit, see {@link Minipass.Events}
 */
class Minipass extends EventEmitter {
    [FLOWING] = false;
    [PAUSED] = false;
    [PIPES] = [];
    [BUFFER] = [];
    [OBJECTMODE];
    [ENCODING$1];
    [ASYNC];
    [DECODER];
    [EOF] = false;
    [EMITTED_END] = false;
    [EMITTING_END] = false;
    [CLOSED] = false;
    [EMITTED_ERROR] = null;
    [BUFFERLENGTH] = 0;
    [DESTROYED] = false;
    [SIGNAL];
    [ABORTED] = false;
    [DATALISTENERS] = 0;
    [DISCARDED] = false;
    /**
     * true if the stream can be written
     */
    writable = true;
    /**
     * true if the stream can be read
     */
    readable = true;
    /**
     * If `RType` is Buffer, then options do not need to be provided.
     * Otherwise, an options object must be provided to specify either
     * {@link Minipass.SharedOptions.objectMode} or
     * {@link Minipass.SharedOptions.encoding}, as appropriate.
     */
    constructor(...args) {
        const options = (args[0] ||
            {});
        super();
        if (options.objectMode && typeof options.encoding === 'string') {
            throw new TypeError('Encoding and objectMode may not be used together');
        }
        if (isObjectModeOptions(options)) {
            this[OBJECTMODE] = true;
            this[ENCODING$1] = null;
        }
        else if (isEncodingOptions(options)) {
            this[ENCODING$1] = options.encoding;
            this[OBJECTMODE] = false;
        }
        else {
            this[OBJECTMODE] = false;
            this[ENCODING$1] = null;
        }
        this[ASYNC] = !!options.async;
        this[DECODER] = this[ENCODING$1]
            ? new StringDecoder(this[ENCODING$1])
            : null;
        //@ts-ignore - private option for debugging and testing
        if (options && options.debugExposeBuffer === true) {
            Object.defineProperty(this, 'buffer', { get: () => this[BUFFER] });
        }
        //@ts-ignore - private option for debugging and testing
        if (options && options.debugExposePipes === true) {
            Object.defineProperty(this, 'pipes', { get: () => this[PIPES] });
        }
        const { signal } = options;
        if (signal) {
            this[SIGNAL] = signal;
            if (signal.aborted) {
                this[ABORT]();
            }
            else {
                signal.addEventListener('abort', () => this[ABORT]());
            }
        }
    }
    /**
     * The amount of data stored in the buffer waiting to be read.
     *
     * For Buffer strings, this will be the total byte length.
     * For string encoding streams, this will be the string character length,
     * according to JavaScript's `string.length` logic.
     * For objectMode streams, this is a count of the items waiting to be
     * emitted.
     */
    get bufferLength() {
        return this[BUFFERLENGTH];
    }
    /**
     * The `BufferEncoding` currently in use, or `null`
     */
    get encoding() {
        return this[ENCODING$1];
    }
    /**
     * @deprecated - This is a read only property
     */
    set encoding(_enc) {
        throw new Error('Encoding must be set at instantiation time');
    }
    /**
     * @deprecated - Encoding may only be set at instantiation time
     */
    setEncoding(_enc) {
        throw new Error('Encoding must be set at instantiation time');
    }
    /**
     * True if this is an objectMode stream
     */
    get objectMode() {
        return this[OBJECTMODE];
    }
    /**
     * @deprecated - This is a read-only property
     */
    set objectMode(_om) {
        throw new Error('objectMode must be set at instantiation time');
    }
    /**
     * true if this is an async stream
     */
    get ['async']() {
        return this[ASYNC];
    }
    /**
     * Set to true to make this stream async.
     *
     * Once set, it cannot be unset, as this would potentially cause incorrect
     * behavior.  Ie, a sync stream can be made async, but an async stream
     * cannot be safely made sync.
     */
    set ['async'](a) {
        this[ASYNC] = this[ASYNC] || !!a;
    }
    // drop everything and get out of the flow completely
    [ABORT]() {
        this[ABORTED] = true;
        this.emit('abort', this[SIGNAL]?.reason);
        this.destroy(this[SIGNAL]?.reason);
    }
    /**
     * True if the stream has been aborted.
     */
    get aborted() {
        return this[ABORTED];
    }
    /**
     * No-op setter. Stream aborted status is set via the AbortSignal provided
     * in the constructor options.
     */
    set aborted(_) { }
    write(chunk, encoding, cb) {
        if (this[ABORTED])
            return false;
        if (this[EOF])
            throw new Error('write after end');
        if (this[DESTROYED]) {
            this.emit('error', Object.assign(new Error('Cannot call write after a stream was destroyed'), { code: 'ERR_STREAM_DESTROYED' }));
            return true;
        }
        if (typeof encoding === 'function') {
            cb = encoding;
            encoding = 'utf8';
        }
        if (!encoding)
            encoding = 'utf8';
        const fn = this[ASYNC] ? defer : nodefer;
        // convert array buffers and typed array views into buffers
        // at some point in the future, we may want to do the opposite!
        // leave strings and buffers as-is
        // anything is only allowed if in object mode, so throw
        if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) {
            if (isArrayBufferView(chunk)) {
                //@ts-ignore - sinful unsafe type changing
                chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength);
            }
            else if (isArrayBufferLike(chunk)) {
                //@ts-ignore - sinful unsafe type changing
                chunk = Buffer.from(chunk);
            }
            else if (typeof chunk !== 'string') {
                throw new Error('Non-contiguous data written to non-objectMode stream');
            }
        }
        // handle object mode up front, since it's simpler
        // this yields better performance, fewer checks later.
        if (this[OBJECTMODE]) {
            // maybe impossible?
            /* c8 ignore start */
            if (this[FLOWING] && this[BUFFERLENGTH] !== 0)
                this[FLUSH](true);
            /* c8 ignore stop */
            if (this[FLOWING])
                this.emit('data', chunk);
            else
                this[BUFFERPUSH](chunk);
            if (this[BUFFERLENGTH] !== 0)
                this.emit('readable');
            if (cb)
                fn(cb);
            return this[FLOWING];
        }
        // at this point the chunk is a buffer or string
        // don't buffer it up or send it to the decoder
        if (!chunk.length) {
            if (this[BUFFERLENGTH] !== 0)
                this.emit('readable');
            if (cb)
                fn(cb);
            return this[FLOWING];
        }
        // fast-path writing strings of same encoding to a stream with
        // an empty buffer, skipping the buffer/decoder dance
        if (typeof chunk === 'string' &&
            // unless it is a string already ready for us to use
            !(encoding === this[ENCODING$1] && !this[DECODER]?.lastNeed)) {
            //@ts-ignore - sinful unsafe type change
            chunk = Buffer.from(chunk, encoding);
        }
        if (Buffer.isBuffer(chunk) && this[ENCODING$1]) {
            //@ts-ignore - sinful unsafe type change
            chunk = this[DECODER].write(chunk);
        }
        // Note: flushing CAN potentially switch us into not-flowing mode
        if (this[FLOWING] && this[BUFFERLENGTH] !== 0)
            this[FLUSH](true);
        if (this[FLOWING])
            this.emit('data', chunk);
        else
            this[BUFFERPUSH](chunk);
        if (this[BUFFERLENGTH] !== 0)
            this.emit('readable');
        if (cb)
            fn(cb);
        return this[FLOWING];
    }
    /**
     * Low-level explicit read method.
     *
     * In objectMode, the argument is ignored, and one item is returned if
     * available.
     *
     * `n` is the number of bytes (or in the case of encoding streams,
     * characters) to consume. If `n` is not provided, then the entire buffer
     * is returned, or `null` is returned if no data is available.
     *
     * If `n` is greater that the amount of data in the internal buffer,
     * then `null` is returned.
     */
    read(n) {
        if (this[DESTROYED])
            return null;
        this[DISCARDED] = false;
        if (this[BUFFERLENGTH] === 0 ||
            n === 0 ||
            (n && n > this[BUFFERLENGTH])) {
            this[MAYBE_EMIT_END]();
            return null;
        }
        if (this[OBJECTMODE])
            n = null;
        if (this[BUFFER].length > 1 && !this[OBJECTMODE]) {
            // not object mode, so if we have an encoding, then RType is string
            // otherwise, must be Buffer
            this[BUFFER] = [
                (this[ENCODING$1]
                    ? this[BUFFER].join('')
                    : Buffer.concat(this[BUFFER], this[BUFFERLENGTH])),
            ];
        }
        const ret = this[READ](n || null, this[BUFFER][0]);
        this[MAYBE_EMIT_END]();
        return ret;
    }
    [READ](n, chunk) {
        if (this[OBJECTMODE])
            this[BUFFERSHIFT]();
        else {
            const c = chunk;
            if (n === c.length || n === null)
                this[BUFFERSHIFT]();
            else if (typeof c === 'string') {
                this[BUFFER][0] = c.slice(n);
                chunk = c.slice(0, n);
                this[BUFFERLENGTH] -= n;
            }
            else {
                this[BUFFER][0] = c.subarray(n);
                chunk = c.subarray(0, n);
                this[BUFFERLENGTH] -= n;
            }
        }
        this.emit('data', chunk);
        if (!this[BUFFER].length && !this[EOF])
            this.emit('drain');
        return chunk;
    }
    end(chunk, encoding, cb) {
        if (typeof chunk === 'function') {
            cb = chunk;
            chunk = undefined;
        }
        if (typeof encoding === 'function') {
            cb = encoding;
            encoding = 'utf8';
        }
        if (chunk !== undefined)
            this.write(chunk, encoding);
        if (cb)
            this.once('end', cb);
        this[EOF] = true;
        this.writable = false;
        // if we haven't written anything, then go ahead and emit,
        // even if we're not reading.
        // we'll re-emit if a new 'end' listener is added anyway.
        // This makes MP more suitable to write-only use cases.
        if (this[FLOWING] || !this[PAUSED])
            this[MAYBE_EMIT_END]();
        return this;
    }
    // don't let the internal resume be overwritten
    [RESUME]() {
        if (this[DESTROYED])
            return;
        if (!this[DATALISTENERS] && !this[PIPES].length) {
            this[DISCARDED] = true;
        }
        this[PAUSED] = false;
        this[FLOWING] = true;
        this.emit('resume');
        if (this[BUFFER].length)
            this[FLUSH]();
        else if (this[EOF])
            this[MAYBE_EMIT_END]();
        else
            this.emit('drain');
    }
    /**
     * Resume the stream if it is currently in a paused state
     *
     * If called when there are no pipe destinations or `data` event listeners,
     * this will place the stream in a "discarded" state, where all data will
     * be thrown away. The discarded state is removed if a pipe destination or
     * data handler is added, if pause() is called, or if any synchronous or
     * asynchronous iteration is started.
     */
    resume() {
        return this[RESUME]();
    }
    /**
     * Pause the stream
     */
    pause() {
        this[FLOWING] = false;
        this[PAUSED] = true;
        this[DISCARDED] = false;
    }
    /**
     * true if the stream has been forcibly destroyed
     */
    get destroyed() {
        return this[DESTROYED];
    }
    /**
     * true if the stream is currently in a flowing state, meaning that
     * any writes will be immediately emitted.
     */
    get flowing() {
        return this[FLOWING];
    }
    /**
     * true if the stream is currently in a paused state
     */
    get paused() {
        return this[PAUSED];
    }
    [BUFFERPUSH](chunk) {
        if (this[OBJECTMODE])
            this[BUFFERLENGTH] += 1;
        else
            this[BUFFERLENGTH] += chunk.length;
        this[BUFFER].push(chunk);
    }
    [BUFFERSHIFT]() {
        if (this[OBJECTMODE])
            this[BUFFERLENGTH] -= 1;
        else
            this[BUFFERLENGTH] -= this[BUFFER][0].length;
        return this[BUFFER].shift();
    }
    [FLUSH](noDrain = false) {
        do { } while (this[FLUSHCHUNK](this[BUFFERSHIFT]()) &&
            this[BUFFER].length);
        if (!noDrain && !this[BUFFER].length && !this[EOF])
            this.emit('drain');
    }
    [FLUSHCHUNK](chunk) {
        this.emit('data', chunk);
        return this[FLOWING];
    }
    /**
     * Pipe all data emitted by this stream into the destination provided.
     *
     * Triggers the flow of data.
     */
    pipe(dest, opts) {
        if (this[DESTROYED])
            return dest;
        this[DISCARDED] = false;
        const ended = this[EMITTED_END];
        opts = opts || {};
        if (dest === proc.stdout || dest === proc.stderr)
            opts.end = false;
        else
            opts.end = opts.end !== false;
        opts.proxyErrors = !!opts.proxyErrors;
        // piping an ended stream ends immediately
        if (ended) {
            if (opts.end)
                dest.end();
        }
        else {
            // "as" here just ignores the WType, which pipes don't care about,
            // since they're only consuming from us, and writing to the dest
            this[PIPES].push(!opts.proxyErrors
                ? new Pipe(this, dest, opts)
                : new PipeProxyErrors(this, dest, opts));
            if (this[ASYNC])
                defer(() => this[RESUME]());
            else
                this[RESUME]();
        }
        return dest;
    }
    /**
     * Fully unhook a piped destination stream.
     *
     * If the destination stream was the only consumer of this stream (ie,
     * there are no other piped destinations or `'data'` event listeners)
     * then the flow of data will stop until there is another consumer or
     * {@link Minipass#resume} is explicitly called.
     */
    unpipe(dest) {
        const p = this[PIPES].find(p => p.dest === dest);
        if (p) {
            if (this[PIPES].length === 1) {
                if (this[FLOWING] && this[DATALISTENERS] === 0) {
                    this[FLOWING] = false;
                }
                this[PIPES] = [];
            }
            else
                this[PIPES].splice(this[PIPES].indexOf(p), 1);
            p.unpipe();
        }
    }
    /**
     * Alias for {@link Minipass#on}
     */
    addListener(ev, handler) {
        return this.on(ev, handler);
    }
    /**
     * Mostly identical to `EventEmitter.on`, with the following
     * behavior differences to prevent data loss and unnecessary hangs:
     *
     * - Adding a 'data' event handler will trigger the flow of data
     *
     * - Adding a 'readable' event handler when there is data waiting to be read
     *   will cause 'readable' to be emitted immediately.
     *
     * - Adding an 'endish' event handler ('end', 'finish', etc.) which has
     *   already passed will cause the event to be emitted immediately and all
     *   handlers removed.
     *
     * - Adding an 'error' event handler after an error has been emitted will
     *   cause the event to be re-emitted immediately with the error previously
     *   raised.
     */
    on(ev, handler) {
        const ret = super.on(ev, handler);
        if (ev === 'data') {
            this[DISCARDED] = false;
            this[DATALISTENERS]++;
            if (!this[PIPES].length && !this[FLOWING]) {
                this[RESUME]();
            }
        }
        else if (ev === 'readable' && this[BUFFERLENGTH] !== 0) {
            super.emit('readable');
        }
        else if (isEndish(ev) && this[EMITTED_END]) {
            super.emit(ev);
            this.removeAllListeners(ev);
        }
        else if (ev === 'error' && this[EMITTED_ERROR]) {
            const h = handler;
            if (this[ASYNC])
                defer(() => h.call(this, this[EMITTED_ERROR]));
            else
                h.call(this, this[EMITTED_ERROR]);
        }
        return ret;
    }
    /**
     * Alias for {@link Minipass#off}
     */
    removeListener(ev, handler) {
        return this.off(ev, handler);
    }
    /**
     * Mostly identical to `EventEmitter.off`
     *
     * If a 'data' event handler is removed, and it was the last consumer
     * (ie, there are no pipe destinations or other 'data' event listeners),
     * then the flow of data will stop until there is another consumer or
     * {@link Minipass#resume} is explicitly called.
     */
    off(ev, handler) {
        const ret = super.off(ev, handler);
        // if we previously had listeners, and now we don't, and we don't
        // have any pipes, then stop the flow, unless it's been explicitly
        // put in a discarded flowing state via stream.resume().
        if (ev === 'data') {
            this[DATALISTENERS] = this.listeners('data').length;
            if (this[DATALISTENERS] === 0 &&
                !this[DISCARDED] &&
                !this[PIPES].length) {
                this[FLOWING] = false;
            }
        }
        return ret;
    }
    /**
     * Mostly identical to `EventEmitter.removeAllListeners`
     *
     * If all 'data' event handlers are removed, and they were the last consumer
     * (ie, there are no pipe destinations), then the flow of data will stop
     * until there is another consumer or {@link Minipass#resume} is explicitly
     * called.
     */
    removeAllListeners(ev) {
        const ret = super.removeAllListeners(ev);
        if (ev === 'data' || ev === undefined) {
            this[DATALISTENERS] = 0;
            if (!this[DISCARDED] && !this[PIPES].length) {
                this[FLOWING] = false;
            }
        }
        return ret;
    }
    /**
     * true if the 'end' event has been emitted
     */
    get emittedEnd() {
        return this[EMITTED_END];
    }
    [MAYBE_EMIT_END]() {
        if (!this[EMITTING_END] &&
            !this[EMITTED_END] &&
            !this[DESTROYED] &&
            this[BUFFER].length === 0 &&
            this[EOF]) {
            this[EMITTING_END] = true;
            this.emit('end');
            this.emit('prefinish');
            this.emit('finish');
            if (this[CLOSED])
                this.emit('close');
            this[EMITTING_END] = false;
        }
    }
    /**
     * Mostly identical to `EventEmitter.emit`, with the following
     * behavior differences to prevent data loss and unnecessary hangs:
     *
     * If the stream has been destroyed, and the event is something other
     * than 'close' or 'error', then `false` is returned and no handlers
     * are called.
     *
     * If the event is 'end', and has already been emitted, then the event
     * is ignored. If the stream is in a paused or non-flowing state, then
     * the event will be deferred until data flow resumes. If the stream is
     * async, then handlers will be called on the next tick rather than
     * immediately.
     *
     * If the event is 'close', and 'end' has not yet been emitted, then
     * the event will be deferred until after 'end' is emitted.
     *
     * If the event is 'error', and an AbortSignal was provided for the stream,
     * and there are no listeners, then the event is ignored, matching the
     * behavior of node core streams in the presense of an AbortSignal.
     *
     * If the event is 'finish' or 'prefinish', then all listeners will be
     * removed after emitting the event, to prevent double-firing.
     */
    emit(ev, ...args) {
        const data = args[0];
        // error and close are only events allowed after calling destroy()
        if (ev !== 'error' &&
            ev !== 'close' &&
            ev !== DESTROYED &&
            this[DESTROYED]) {
            return false;
        }
        else if (ev === 'data') {
            return !this[OBJECTMODE] && !data
                ? false
                : this[ASYNC]
                    ? (defer(() => this[EMITDATA](data)), true)
                    : this[EMITDATA](data);
        }
        else if (ev === 'end') {
            return this[EMITEND]();
        }
        else if (ev === 'close') {
            this[CLOSED] = true;
            // don't emit close before 'end' and 'finish'
            if (!this[EMITTED_END] && !this[DESTROYED])
                return false;
            const ret = super.emit('close');
            this.removeAllListeners('close');
            return ret;
        }
        else if (ev === 'error') {
            this[EMITTED_ERROR] = data;
            super.emit(ERROR, data);
            const ret = !this[SIGNAL] || this.listeners('error').length
                ? super.emit('error', data)
                : false;
            this[MAYBE_EMIT_END]();
            return ret;
        }
        else if (ev === 'resume') {
            const ret = super.emit('resume');
            this[MAYBE_EMIT_END]();
            return ret;
        }
        else if (ev === 'finish' || ev === 'prefinish') {
            const ret = super.emit(ev);
            this.removeAllListeners(ev);
            return ret;
        }
        // Some other unknown event
        const ret = super.emit(ev, ...args);
        this[MAYBE_EMIT_END]();
        return ret;
    }
    [EMITDATA](data) {
        for (const p of this[PIPES]) {
            if (p.dest.write(data) === false)
                this.pause();
        }
        const ret = this[DISCARDED] ? false : super.emit('data', data);
        this[MAYBE_EMIT_END]();
        return ret;
    }
    [EMITEND]() {
        if (this[EMITTED_END])
            return false;
        this[EMITTED_END] = true;
        this.readable = false;
        return this[ASYNC]
            ? (defer(() => this[EMITEND2]()), true)
            : this[EMITEND2]();
    }
    [EMITEND2]() {
        if (this[DECODER]) {
            const data = this[DECODER].end();
            if (data) {
                for (const p of this[PIPES]) {
                    p.dest.write(data);
                }
                if (!this[DISCARDED])
                    super.emit('data', data);
            }
        }
        for (const p of this[PIPES]) {
            p.end();
        }
        const ret = super.emit('end');
        this.removeAllListeners('end');
        return ret;
    }
    /**
     * Return a Promise that resolves to an array of all emitted data once
     * the stream ends.
     */
    async collect() {
        const buf = Object.assign([], {
            dataLength: 0,
        });
        if (!this[OBJECTMODE])
            buf.dataLength = 0;
        // set the promise first, in case an error is raised
        // by triggering the flow here.
        const p = this.promise();
        this.on('data', c => {
            buf.push(c);
            if (!this[OBJECTMODE])
                buf.dataLength += c.length;
        });
        await p;
        return buf;
    }
    /**
     * Return a Promise that resolves to the concatenation of all emitted data
     * once the stream ends.
     *
     * Not allowed on objectMode streams.
     */
    async concat() {
        if (this[OBJECTMODE]) {
            throw new Error('cannot concat in objectMode');
        }
        const buf = await this.collect();
        return (this[ENCODING$1]
            ? buf.join('')
            : Buffer.concat(buf, buf.dataLength));
    }
    /**
     * Return a void Promise that resolves once the stream ends.
     */
    async promise() {
        return new Promise((resolve, reject) => {
            this.on(DESTROYED, () => reject(new Error('stream destroyed')));
            this.on('error', er => reject(er));
            this.on('end', () => resolve());
        });
    }
    /**
     * Asynchronous `for await of` iteration.
     *
     * This will continue emitting all chunks until the stream terminates.
     */
    [Symbol.asyncIterator]() {
        // set this up front, in case the consumer doesn't call next()
        // right away.
        this[DISCARDED] = false;
        let stopped = false;
        const stop = async () => {
            this.pause();
            stopped = true;
            return { value: undefined, done: true };
        };
        const next = () => {
            if (stopped)
                return stop();
            const res = this.read();
            if (res !== null)
                return Promise.resolve({ done: false, value: res });
            if (this[EOF])
                return stop();
            let resolve;
            let reject;
            const onerr = (er) => {
                this.off('data', ondata);
                this.off('end', onend);
                this.off(DESTROYED, ondestroy);
                stop();
                reject(er);
            };
            const ondata = (value) => {
                this.off('error', onerr);
                this.off('end', onend);
                this.off(DESTROYED, ondestroy);
                this.pause();
                resolve({ value, done: !!this[EOF] });
            };
            const onend = () => {
                this.off('error', onerr);
                this.off('data', ondata);
                this.off(DESTROYED, ondestroy);
                stop();
                resolve({ done: true, value: undefined });
            };
            const ondestroy = () => onerr(new Error('stream destroyed'));
            return new Promise((res, rej) => {
                reject = rej;
                resolve = res;
                this.once(DESTROYED, ondestroy);
                this.once('error', onerr);
                this.once('end', onend);
                this.once('data', ondata);
            });
        };
        return {
            next,
            throw: stop,
            return: stop,
            [Symbol.asyncIterator]() {
                return this;
            },
        };
    }
    /**
     * Synchronous `for of` iteration.
     *
     * The iteration will terminate when the internal buffer runs out, even
     * if the stream has not yet terminated.
     */
    [Symbol.iterator]() {
        // set this up front, in case the consumer doesn't call next()
        // right away.
        this[DISCARDED] = false;
        let stopped = false;
        const stop = () => {
            this.pause();
            this.off(ERROR, stop);
            this.off(DESTROYED, stop);
            this.off('end', stop);
            stopped = true;
            return { done: true, value: undefined };
        };
        const next = () => {
            if (stopped)
                return stop();
            const value = this.read();
            return value === null ? stop() : { done: false, value };
        };
        this.once('end', stop);
        this.once(ERROR, stop);
        this.once(DESTROYED, stop);
        return {
            next,
            throw: stop,
            return: stop,
            [Symbol.iterator]() {
                return this;
            },
        };
    }
    /**
     * Destroy a stream, preventing it from being used for any further purpose.
     *
     * If the stream has a `close()` method, then it will be called on
     * destruction.
     *
     * After destruction, any attempt to write data, read data, or emit most
     * events will be ignored.
     *
     * If an error argument is provided, then it will be emitted in an
     * 'error' event.
     */
    destroy(er) {
        if (this[DESTROYED]) {
            if (er)
                this.emit('error', er);
            else
                this.emit(DESTROYED);
            return this;
        }
        this[DESTROYED] = true;
        this[DISCARDED] = true;
        // throw away all buffered data, it's never coming out
        this[BUFFER].length = 0;
        this[BUFFERLENGTH] = 0;
        const wc = this;
        if (typeof wc.close === 'function' && !this[CLOSED])
            wc.close();
        if (er)
            this.emit('error', er);
        // if no error to emit, still reject pending promises
        else
            this.emit(DESTROYED);
        return this;
    }
    /**
     * Alias for {@link isStream}
     *
     * Former export location, maintained for backwards compatibility.
     *
     * @deprecated
     */
    static get isStream() {
        return isStream;
    }
}

const realpathSync = realpathSync$1.native;
const defaultFS = {
    lstatSync,
    readdir: readdir$4,
    readdirSync: readdirSync$1,
    readlinkSync,
    realpathSync,
    promises: {
        lstat: lstat$4,
        readdir: readdir$5,
        readlink,
        realpath,
    },
};
// if they just gave us require('fs') then use our default
const fsFromOption = (fsOption) => !fsOption || fsOption === defaultFS || fsOption === fs$t
    ? defaultFS
    : {
        ...defaultFS,
        ...fsOption,
        promises: {
            ...defaultFS.promises,
            ...(fsOption.promises || {}),
        },
    };
// turn something like //?/c:/ into c:\
const uncDriveRegexp = /^\\\\\?\\([a-z]:)\\?$/i;
const uncToDrive = (rootPath) => rootPath.replace(/\//g, '\\').replace(uncDriveRegexp, '$1\\');
// windows paths are separated by either / or \
const eitherSep = /[\\\/]/;
const UNKNOWN = 0; // may not even exist, for all we know
const IFIFO = 0b0001;
const IFCHR = 0b0010;
const IFDIR = 0b0100;
const IFBLK = 0b0110;
const IFREG = 0b1000;
const IFLNK = 0b1010;
const IFSOCK = 0b1100;
const IFMT = 0b1111;
// mask to unset low 4 bits
const IFMT_UNKNOWN = ~IFMT;
// set after successfully calling readdir() and getting entries.
const READDIR_CALLED = 16;
// set after a successful lstat()
const LSTAT_CALLED = 32;
// set if an entry (or one of its parents) is definitely not a dir
const ENOTDIR = 64;
// set if an entry (or one of its parents) does not exist
// (can also be set on lstat errors like EACCES or ENAMETOOLONG)
const ENOENT = 128;
// cannot have child entries -- also verify &IFMT is either IFDIR or IFLNK
// set if we fail to readlink
const ENOREADLINK = 256;
// set if we know realpath() will fail
const ENOREALPATH = 512;
const ENOCHILD = ENOTDIR | ENOENT | ENOREALPATH;
const TYPEMASK = 1023;
const entToType = (s) => s.isFile()
    ? IFREG
    : s.isDirectory()
        ? IFDIR
        : s.isSymbolicLink()
            ? IFLNK
            : s.isCharacterDevice()
                ? IFCHR
                : s.isBlockDevice()
                    ? IFBLK
                    : s.isSocket()
                        ? IFSOCK
                        : s.isFIFO()
                            ? IFIFO
                            : UNKNOWN;
// normalize unicode path names
const normalizeCache = new Map();
const normalize$2 = (s) => {
    const c = normalizeCache.get(s);
    if (c)
        return c;
    const n = s.normalize('NFKD');
    normalizeCache.set(s, n);
    return n;
};
const normalizeNocaseCache = new Map();
const normalizeNocase = (s) => {
    const c = normalizeNocaseCache.get(s);
    if (c)
        return c;
    const n = normalize$2(s.toLowerCase());
    normalizeNocaseCache.set(s, n);
    return n;
};
/**
 * An LRUCache for storing resolved path strings or Path objects.
 * @internal
 */
class ResolveCache extends LRUCache {
    constructor() {
        super({ max: 256 });
    }
}
// In order to prevent blowing out the js heap by allocating hundreds of
// thousands of Path entries when walking extremely large trees, the "children"
// in this tree are represented by storing an array of Path entries in an
// LRUCache, indexed by the parent.  At any time, Path.children() may return an
// empty array, indicating that it doesn't know about any of its children, and
// thus has to rebuild that cache.  This is fine, it just means that we don't
// benefit as much from having the cached entries, but huge directory walks
// don't blow out the stack, and smaller ones are still as fast as possible.
//
//It does impose some complexity when building up the readdir data, because we
//need to pass a reference to the children array that we started with.
/**
 * an LRUCache for storing child entries.
 * @internal
 */
class ChildrenCache extends LRUCache {
    constructor(maxSize = 16 * 1024) {
        super({
            maxSize,
            // parent + children
            sizeCalculation: a => a.length + 1,
        });
    }
}
const setAsCwd = Symbol('PathScurry setAsCwd');
/**
 * Path objects are sort of like a super-powered
 * {@link https://nodejs.org/docs/latest/api/fs.html#class-fsdirent fs.Dirent}
 *
 * Each one represents a single filesystem entry on disk, which may or may not
 * exist. It includes methods for reading various types of information via
 * lstat, readlink, and readdir, and caches all information to the greatest
 * degree possible.
 *
 * Note that fs operations that would normally throw will instead return an
 * "empty" value. This is in order to prevent excessive overhead from error
 * stack traces.
 */
class PathBase {
    /**
     * the basename of this path
     *
     * **Important**: *always* test the path name against any test string
     * usingthe {@link isNamed} method, and not by directly comparing this
     * string. Otherwise, unicode path strings that the system sees as identical
     * will not be properly treated as the same path, leading to incorrect
     * behavior and possible security issues.
     */
    name;
    /**
     * the Path entry corresponding to the path root.
     *
     * @internal
     */
    root;
    /**
     * All roots found within the current PathScurry family
     *
     * @internal
     */
    roots;
    /**
     * a reference to the parent path, or undefined in the case of root entries
     *
     * @internal
     */
    parent;
    /**
     * boolean indicating whether paths are compared case-insensitively
     * @internal
     */
    nocase;
    // potential default fs override
    #fs;
    // Stats fields
    #dev;
    get dev() {
        return this.#dev;
    }
    #mode;
    get mode() {
        return this.#mode;
    }
    #nlink;
    get nlink() {
        return this.#nlink;
    }
    #uid;
    get uid() {
        return this.#uid;
    }
    #gid;
    get gid() {
        return this.#gid;
    }
    #rdev;
    get rdev() {
        return this.#rdev;
    }
    #blksize;
    get blksize() {
        return this.#blksize;
    }
    #ino;
    get ino() {
        return this.#ino;
    }
    #size;
    get size() {
        return this.#size;
    }
    #blocks;
    get blocks() {
        return this.#blocks;
    }
    #atimeMs;
    get atimeMs() {
        return this.#atimeMs;
    }
    #mtimeMs;
    get mtimeMs() {
        return this.#mtimeMs;
    }
    #ctimeMs;
    get ctimeMs() {
        return this.#ctimeMs;
    }
    #birthtimeMs;
    get birthtimeMs() {
        return this.#birthtimeMs;
    }
    #atime;
    get atime() {
        return this.#atime;
    }
    #mtime;
    get mtime() {
        return this.#mtime;
    }
    #ctime;
    get ctime() {
        return this.#ctime;
    }
    #birthtime;
    get birthtime() {
        return this.#birthtime;
    }
    #matchName;
    #depth;
    #fullpath;
    #fullpathPosix;
    #relative;
    #relativePosix;
    #type;
    #children;
    #linkTarget;
    #realpath;
    /**
     * This property is for compatibility with the Dirent class as of
     * Node v20, where Dirent['path'] refers to the path of the directory
     * that was passed to readdir.  So, somewhat counterintuitively, this
     * property refers to the *parent* path, not the path object itself.
     * For root entries, it's the path to the entry itself.
     */
    get path() {
        return (this.parent || this).fullpath();
    }
    /**
     * Do not create new Path objects directly.  They should always be accessed
     * via the PathScurry class or other methods on the Path class.
     *
     * @internal
     */
    constructor(name, type = UNKNOWN, root, roots, nocase, children, opts) {
        this.name = name;
        this.#matchName = nocase ? normalizeNocase(name) : normalize$2(name);
        this.#type = type & TYPEMASK;
        this.nocase = nocase;
        this.roots = roots;
        this.root = root || this;
        this.#children = children;
        this.#fullpath = opts.fullpath;
        this.#relative = opts.relative;
        this.#relativePosix = opts.relativePosix;
        this.parent = opts.parent;
        if (this.parent) {
            this.#fs = this.parent.#fs;
        }
        else {
            this.#fs = fsFromOption(opts.fs);
        }
    }
    /**
     * Returns the depth of the Path object from its root.
     *
     * For example, a path at `/foo/bar` would have a depth of 2.
     */
    depth() {
        if (this.#depth !== undefined)
            return this.#depth;
        if (!this.parent)
            return (this.#depth = 0);
        return (this.#depth = this.parent.depth() + 1);
    }
    /**
     * @internal
     */
    childrenCache() {
        return this.#children;
    }
    /**
     * Get the Path object referenced by the string path, resolved from this Path
     */
    resolve(path) {
        if (!path) {
            return this;
        }
        const rootPath = this.getRootString(path);
        const dir = path.substring(rootPath.length);
        const dirParts = dir.split(this.splitSep);
        const result = rootPath
            ? this.getRoot(rootPath).#resolveParts(dirParts)
            : this.#resolveParts(dirParts);
        return result;
    }
    #resolveParts(dirParts) {
        let p = this;
        for (const part of dirParts) {
            p = p.child(part);
        }
        return p;
    }
    /**
     * Returns the cached children Path objects, if still available.  If they
     * have fallen out of the cache, then returns an empty array, and resets the
     * READDIR_CALLED bit, so that future calls to readdir() will require an fs
     * lookup.
     *
     * @internal
     */
    children() {
        const cached = this.#children.get(this);
        if (cached) {
            return cached;
        }
        const children = Object.assign([], { provisional: 0 });
        this.#children.set(this, children);
        this.#type &= ~READDIR_CALLED;
        return children;
    }
    /**
     * Resolves a path portion and returns or creates the child Path.
     *
     * Returns `this` if pathPart is `''` or `'.'`, or `parent` if pathPart is
     * `'..'`.
     *
     * This should not be called directly.  If `pathPart` contains any path
     * separators, it will lead to unsafe undefined behavior.
     *
     * Use `Path.resolve()` instead.
     *
     * @internal
     */
    child(pathPart, opts) {
        if (pathPart === '' || pathPart === '.') {
            return this;
        }
        if (pathPart === '..') {
            return this.parent || this;
        }
        // find the child
        const children = this.children();
        const name = this.nocase
            ? normalizeNocase(pathPart)
            : normalize$2(pathPart);
        for (const p of children) {
            if (p.#matchName === name) {
                return p;
            }
        }
        // didn't find it, create provisional child, since it might not
        // actually exist.  If we know the parent isn't a dir, then
        // in fact it CAN'T exist.
        const s = this.parent ? this.sep : '';
        const fullpath = this.#fullpath
            ? this.#fullpath + s + pathPart
            : undefined;
        const pchild = this.newChild(pathPart, UNKNOWN, {
            ...opts,
            parent: this,
            fullpath,
        });
        if (!this.canReaddir()) {
            pchild.#type |= ENOENT;
        }
        // don't have to update provisional, because if we have real children,
        // then provisional is set to children.length, otherwise a lower number
        children.push(pchild);
        return pchild;
    }
    /**
     * The relative path from the cwd. If it does not share an ancestor with
     * the cwd, then this ends up being equivalent to the fullpath()
     */
    relative() {
        if (this.#relative !== undefined) {
            return this.#relative;
        }
        const name = this.name;
        const p = this.parent;
        if (!p) {
            return (this.#relative = this.name);
        }
        const pv = p.relative();
        return pv + (!pv || !p.parent ? '' : this.sep) + name;
    }
    /**
     * The relative path from the cwd, using / as the path separator.
     * If it does not share an ancestor with
     * the cwd, then this ends up being equivalent to the fullpathPosix()
     * On posix systems, this is identical to relative().
     */
    relativePosix() {
        if (this.sep === '/')
            return this.relative();
        if (this.#relativePosix !== undefined)
            return this.#relativePosix;
        const name = this.name;
        const p = this.parent;
        if (!p) {
            return (this.#relativePosix = this.fullpathPosix());
        }
        const pv = p.relativePosix();
        return pv + (!pv || !p.parent ? '' : '/') + name;
    }
    /**
     * The fully resolved path string for this Path entry
     */
    fullpath() {
        if (this.#fullpath !== undefined) {
            return this.#fullpath;
        }
        const name = this.name;
        const p = this.parent;
        if (!p) {
            return (this.#fullpath = this.name);
        }
        const pv = p.fullpath();
        const fp = pv + (!p.parent ? '' : this.sep) + name;
        return (this.#fullpath = fp);
    }
    /**
     * On platforms other than windows, this is identical to fullpath.
     *
     * On windows, this is overridden to return the forward-slash form of the
     * full UNC path.
     */
    fullpathPosix() {
        if (this.#fullpathPosix !== undefined)
            return this.#fullpathPosix;
        if (this.sep === '/')
            return (this.#fullpathPosix = this.fullpath());
        if (!this.parent) {
            const p = this.fullpath().replace(/\\/g, '/');
            if (/^[a-z]:\//i.test(p)) {
                return (this.#fullpathPosix = `//?/${p}`);
            }
            else {
                return (this.#fullpathPosix = p);
            }
        }
        const p = this.parent;
        const pfpp = p.fullpathPosix();
        const fpp = pfpp + (!pfpp || !p.parent ? '' : '/') + this.name;
        return (this.#fullpathPosix = fpp);
    }
    /**
     * Is the Path of an unknown type?
     *
     * Note that we might know *something* about it if there has been a previous
     * filesystem operation, for example that it does not exist, or is not a
     * link, or whether it has child entries.
     */
    isUnknown() {
        return (this.#type & IFMT) === UNKNOWN;
    }
    isType(type) {
        return this[`is${type}`]();
    }
    getType() {
        return this.isUnknown()
            ? 'Unknown'
            : this.isDirectory()
                ? 'Directory'
                : this.isFile()
                    ? 'File'
                    : this.isSymbolicLink()
                        ? 'SymbolicLink'
                        : this.isFIFO()
                            ? 'FIFO'
                            : this.isCharacterDevice()
                                ? 'CharacterDevice'
                                : this.isBlockDevice()
                                    ? 'BlockDevice'
                                    : /* c8 ignore start */ this.isSocket()
                                        ? 'Socket'
                                        : 'Unknown';
        /* c8 ignore stop */
    }
    /**
     * Is the Path a regular file?
     */
    isFile() {
        return (this.#type & IFMT) === IFREG;
    }
    /**
     * Is the Path a directory?
     */
    isDirectory() {
        return (this.#type & IFMT) === IFDIR;
    }
    /**
     * Is the path a character device?
     */
    isCharacterDevice() {
        return (this.#type & IFMT) === IFCHR;
    }
    /**
     * Is the path a block device?
     */
    isBlockDevice() {
        return (this.#type & IFMT) === IFBLK;
    }
    /**
     * Is the path a FIFO pipe?
     */
    isFIFO() {
        return (this.#type & IFMT) === IFIFO;
    }
    /**
     * Is the path a socket?
     */
    isSocket() {
        return (this.#type & IFMT) === IFSOCK;
    }
    /**
     * Is the path a symbolic link?
     */
    isSymbolicLink() {
        return (this.#type & IFLNK) === IFLNK;
    }
    /**
     * Return the entry if it has been subject of a successful lstat, or
     * undefined otherwise.
     *
     * Does not read the filesystem, so an undefined result *could* simply
     * mean that we haven't called lstat on it.
     */
    lstatCached() {
        return this.#type & LSTAT_CALLED ? this : undefined;
    }
    /**
     * Return the cached link target if the entry has been the subject of a
     * successful readlink, or undefined otherwise.
     *
     * Does not read the filesystem, so an undefined result *could* just mean we
     * don't have any cached data. Only use it if you are very sure that a
     * readlink() has been called at some point.
     */
    readlinkCached() {
        return this.#linkTarget;
    }
    /**
     * Returns the cached realpath target if the entry has been the subject
     * of a successful realpath, or undefined otherwise.
     *
     * Does not read the filesystem, so an undefined result *could* just mean we
     * don't have any cached data. Only use it if you are very sure that a
     * realpath() has been called at some point.
     */
    realpathCached() {
        return this.#realpath;
    }
    /**
     * Returns the cached child Path entries array if the entry has been the
     * subject of a successful readdir(), or [] otherwise.
     *
     * Does not read the filesystem, so an empty array *could* just mean we
     * don't have any cached data. Only use it if you are very sure that a
     * readdir() has been called recently enough to still be valid.
     */
    readdirCached() {
        const children = this.children();
        return children.slice(0, children.provisional);
    }
    /**
     * Return true if it's worth trying to readlink.  Ie, we don't (yet) have
     * any indication that readlink will definitely fail.
     *
     * Returns false if the path is known to not be a symlink, if a previous
     * readlink failed, or if the entry does not exist.
     */
    canReadlink() {
        if (this.#linkTarget)
            return true;
        if (!this.parent)
            return false;
        // cases where it cannot possibly succeed
        const ifmt = this.#type & IFMT;
        return !((ifmt !== UNKNOWN && ifmt !== IFLNK) ||
            this.#type & ENOREADLINK ||
            this.#type & ENOENT);
    }
    /**
     * Return true if readdir has previously been successfully called on this
     * path, indicating that cachedReaddir() is likely valid.
     */
    calledReaddir() {
        return !!(this.#type & READDIR_CALLED);
    }
    /**
     * Returns true if the path is known to not exist. That is, a previous lstat
     * or readdir failed to verify its existence when that would have been
     * expected, or a parent entry was marked either enoent or enotdir.
     */
    isENOENT() {
        return !!(this.#type & ENOENT);
    }
    /**
     * Return true if the path is a match for the given path name.  This handles
     * case sensitivity and unicode normalization.
     *
     * Note: even on case-sensitive systems, it is **not** safe to test the
     * equality of the `.name` property to determine whether a given pathname
     * matches, due to unicode normalization mismatches.
     *
     * Always use this method instead of testing the `path.name` property
     * directly.
     */
    isNamed(n) {
        return !this.nocase
            ? this.#matchName === normalize$2(n)
            : this.#matchName === normalizeNocase(n);
    }
    /**
     * Return the Path object corresponding to the target of a symbolic link.
     *
     * If the Path is not a symbolic link, or if the readlink call fails for any
     * reason, `undefined` is returned.
     *
     * Result is cached, and thus may be outdated if the filesystem is mutated.
     */
    async readlink() {
        const target = this.#linkTarget;
        if (target) {
            return target;
        }
        if (!this.canReadlink()) {
            return undefined;
        }
        /* c8 ignore start */
        // already covered by the canReadlink test, here for ts grumples
        if (!this.parent) {
            return undefined;
        }
        /* c8 ignore stop */
        try {
            const read = await this.#fs.promises.readlink(this.fullpath());
            const linkTarget = this.parent.resolve(read);
            if (linkTarget) {
                return (this.#linkTarget = linkTarget);
            }
        }
        catch (er) {
            this.#readlinkFail(er.code);
            return undefined;
        }
    }
    /**
     * Synchronous {@link PathBase.readlink}
     */
    readlinkSync() {
        const target = this.#linkTarget;
        if (target) {
            return target;
        }
        if (!this.canReadlink()) {
            return undefined;
        }
        /* c8 ignore start */
        // already covered by the canReadlink test, here for ts grumples
        if (!this.parent) {
            return undefined;
        }
        /* c8 ignore stop */
        try {
            const read = this.#fs.readlinkSync(this.fullpath());
            const linkTarget = this.parent.resolve(read);
            if (linkTarget) {
                return (this.#linkTarget = linkTarget);
            }
        }
        catch (er) {
            this.#readlinkFail(er.code);
            return undefined;
        }
    }
    #readdirSuccess(children) {
        // succeeded, mark readdir called bit
        this.#type |= READDIR_CALLED;
        // mark all remaining provisional children as ENOENT
        for (let p = children.provisional; p < children.length; p++) {
            children[p].#markENOENT();
        }
    }
    #markENOENT() {
        // mark as UNKNOWN and ENOENT
        if (this.#type & ENOENT)
            return;
        this.#type = (this.#type | ENOENT) & IFMT_UNKNOWN;
        this.#markChildrenENOENT();
    }
    #markChildrenENOENT() {
        // all children are provisional and do not exist
        const children = this.children();
        children.provisional = 0;
        for (const p of children) {
            p.#markENOENT();
        }
    }
    #markENOREALPATH() {
        this.#type |= ENOREALPATH;
        this.#markENOTDIR();
    }
    // save the information when we know the entry is not a dir
    #markENOTDIR() {
        // entry is not a directory, so any children can't exist.
        // this *should* be impossible, since any children created
        // after it's been marked ENOTDIR should be marked ENOENT,
        // so it won't even get to this point.
        /* c8 ignore start */
        if (this.#type & ENOTDIR)
            return;
        /* c8 ignore stop */
        let t = this.#type;
        // this could happen if we stat a dir, then delete it,
        // then try to read it or one of its children.
        if ((t & IFMT) === IFDIR)
            t &= IFMT_UNKNOWN;
        this.#type = t | ENOTDIR;
        this.#markChildrenENOENT();
    }
    #readdirFail(code = '') {
        // markENOTDIR and markENOENT also set provisional=0
        if (code === 'ENOTDIR' || code === 'EPERM') {
            this.#markENOTDIR();
        }
        else if (code === 'ENOENT') {
            this.#markENOENT();
        }
        else {
            this.children().provisional = 0;
        }
    }
    #lstatFail(code = '') {
        // Windows just raises ENOENT in this case, disable for win CI
        /* c8 ignore start */
        if (code === 'ENOTDIR') {
            // already know it has a parent by this point
            const p = this.parent;
            p.#markENOTDIR();
        }
        else if (code === 'ENOENT') {
            /* c8 ignore stop */
            this.#markENOENT();
        }
    }
    #readlinkFail(code = '') {
        let ter = this.#type;
        ter |= ENOREADLINK;
        if (code === 'ENOENT')
            ter |= ENOENT;
        // windows gets a weird error when you try to readlink a file
        if (code === 'EINVAL' || code === 'UNKNOWN') {
            // exists, but not a symlink, we don't know WHAT it is, so remove
            // all IFMT bits.
            ter &= IFMT_UNKNOWN;
        }
        this.#type = ter;
        // windows just gets ENOENT in this case.  We do cover the case,
        // just disabled because it's impossible on Windows CI
        /* c8 ignore start */
        if (code === 'ENOTDIR' && this.parent) {
            this.parent.#markENOTDIR();
        }
        /* c8 ignore stop */
    }
    #readdirAddChild(e, c) {
        return (this.#readdirMaybePromoteChild(e, c) ||
            this.#readdirAddNewChild(e, c));
    }
    #readdirAddNewChild(e, c) {
        // alloc new entry at head, so it's never provisional
        const type = entToType(e);
        const child = this.newChild(e.name, type, { parent: this });
        const ifmt = child.#type & IFMT;
        if (ifmt !== IFDIR && ifmt !== IFLNK && ifmt !== UNKNOWN) {
            child.#type |= ENOTDIR;
        }
        c.unshift(child);
        c.provisional++;
        return child;
    }
    #readdirMaybePromoteChild(e, c) {
        for (let p = c.provisional; p < c.length; p++) {
            const pchild = c[p];
            const name = this.nocase
                ? normalizeNocase(e.name)
                : normalize$2(e.name);
            if (name !== pchild.#matchName) {
                continue;
            }
            return this.#readdirPromoteChild(e, pchild, p, c);
        }
    }
    #readdirPromoteChild(e, p, index, c) {
        const v = p.name;
        // retain any other flags, but set ifmt from dirent
        p.#type = (p.#type & IFMT_UNKNOWN) | entToType(e);
        // case sensitivity fixing when we learn the true name.
        if (v !== e.name)
            p.name = e.name;
        // just advance provisional index (potentially off the list),
        // otherwise we have to splice/pop it out and re-insert at head
        if (index !== c.provisional) {
            if (index === c.length - 1)
                c.pop();
            else
                c.splice(index, 1);
            c.unshift(p);
        }
        c.provisional++;
        return p;
    }
    /**
     * Call lstat() on this Path, and update all known information that can be
     * determined.
     *
     * Note that unlike `fs.lstat()`, the returned value does not contain some
     * information, such as `mode`, `dev`, `nlink`, and `ino`.  If that
     * information is required, you will need to call `fs.lstat` yourself.
     *
     * If the Path refers to a nonexistent file, or if the lstat call fails for
     * any reason, `undefined` is returned.  Otherwise the updated Path object is
     * returned.
     *
     * Results are cached, and thus may be out of date if the filesystem is
     * mutated.
     */
    async lstat() {
        if ((this.#type & ENOENT) === 0) {
            try {
                this.#applyStat(await this.#fs.promises.lstat(this.fullpath()));
                return this;
            }
            catch (er) {
                this.#lstatFail(er.code);
            }
        }
    }
    /**
     * synchronous {@link PathBase.lstat}
     */
    lstatSync() {
        if ((this.#type & ENOENT) === 0) {
            try {
                this.#applyStat(this.#fs.lstatSync(this.fullpath()));
                return this;
            }
            catch (er) {
                this.#lstatFail(er.code);
            }
        }
    }
    #applyStat(st) {
        const { atime, atimeMs, birthtime, birthtimeMs, blksize, blocks, ctime, ctimeMs, dev, gid, ino, mode, mtime, mtimeMs, nlink, rdev, size, uid, } = st;
        this.#atime = atime;
        this.#atimeMs = atimeMs;
        this.#birthtime = birthtime;
        this.#birthtimeMs = birthtimeMs;
        this.#blksize = blksize;
        this.#blocks = blocks;
        this.#ctime = ctime;
        this.#ctimeMs = ctimeMs;
        this.#dev = dev;
        this.#gid = gid;
        this.#ino = ino;
        this.#mode = mode;
        this.#mtime = mtime;
        this.#mtimeMs = mtimeMs;
        this.#nlink = nlink;
        this.#rdev = rdev;
        this.#size = size;
        this.#uid = uid;
        const ifmt = entToType(st);
        // retain any other flags, but set the ifmt
        this.#type = (this.#type & IFMT_UNKNOWN) | ifmt | LSTAT_CALLED;
        if (ifmt !== UNKNOWN && ifmt !== IFDIR && ifmt !== IFLNK) {
            this.#type |= ENOTDIR;
        }
    }
    #onReaddirCB = [];
    #readdirCBInFlight = false;
    #callOnReaddirCB(children) {
        this.#readdirCBInFlight = false;
        const cbs = this.#onReaddirCB.slice();
        this.#onReaddirCB.length = 0;
        cbs.forEach(cb => cb(null, children));
    }
    /**
     * Standard node-style callback interface to get list of directory entries.
     *
     * If the Path cannot or does not contain any children, then an empty array
     * is returned.
     *
     * Results are cached, and thus may be out of date if the filesystem is
     * mutated.
     *
     * @param cb The callback called with (er, entries).  Note that the `er`
     * param is somewhat extraneous, as all readdir() errors are handled and
     * simply result in an empty set of entries being returned.
     * @param allowZalgo Boolean indicating that immediately known results should
     * *not* be deferred with `queueMicrotask`. Defaults to `false`. Release
     * zalgo at your peril, the dark pony lord is devious and unforgiving.
     */
    readdirCB(cb, allowZalgo = false) {
        if (!this.canReaddir()) {
            if (allowZalgo)
                cb(null, []);
            else
                queueMicrotask(() => cb(null, []));
            return;
        }
        const children = this.children();
        if (this.calledReaddir()) {
            const c = children.slice(0, children.provisional);
            if (allowZalgo)
                cb(null, c);
            else
                queueMicrotask(() => cb(null, c));
            return;
        }
        // don't have to worry about zalgo at this point.
        this.#onReaddirCB.push(cb);
        if (this.#readdirCBInFlight) {
            return;
        }
        this.#readdirCBInFlight = true;
        // else read the directory, fill up children
        // de-provisionalize any provisional children.
        const fullpath = this.fullpath();
        this.#fs.readdir(fullpath, { withFileTypes: true }, (er, entries) => {
            if (er) {
                this.#readdirFail(er.code);
                children.provisional = 0;
            }
            else {
                // if we didn't get an error, we always get entries.
                //@ts-ignore
                for (const e of entries) {
                    this.#readdirAddChild(e, children);
                }
                this.#readdirSuccess(children);
            }
            this.#callOnReaddirCB(children.slice(0, children.provisional));
            return;
        });
    }
    #asyncReaddirInFlight;
    /**
     * Return an array of known child entries.
     *
     * If the Path cannot or does not contain any children, then an empty array
     * is returned.
     *
     * Results are cached, and thus may be out of date if the filesystem is
     * mutated.
     */
    async readdir() {
        if (!this.canReaddir()) {
            return [];
        }
        const children = this.children();
        if (this.calledReaddir()) {
            return children.slice(0, children.provisional);
        }
        // else read the directory, fill up children
        // de-provisionalize any provisional children.
        const fullpath = this.fullpath();
        if (this.#asyncReaddirInFlight) {
            await this.#asyncReaddirInFlight;
        }
        else {
            /* c8 ignore start */
            let resolve = () => { };
            /* c8 ignore stop */
            this.#asyncReaddirInFlight = new Promise(res => (resolve = res));
            try {
                for (const e of await this.#fs.promises.readdir(fullpath, {
                    withFileTypes: true,
                })) {
                    this.#readdirAddChild(e, children);
                }
                this.#readdirSuccess(children);
            }
            catch (er) {
                this.#readdirFail(er.code);
                children.provisional = 0;
            }
            this.#asyncReaddirInFlight = undefined;
            resolve();
        }
        return children.slice(0, children.provisional);
    }
    /**
     * synchronous {@link PathBase.readdir}
     */
    readdirSync() {
        if (!this.canReaddir()) {
            return [];
        }
        const children = this.children();
        if (this.calledReaddir()) {
            return children.slice(0, children.provisional);
        }
        // else read the directory, fill up children
        // de-provisionalize any provisional children.
        const fullpath = this.fullpath();
        try {
            for (const e of this.#fs.readdirSync(fullpath, {
                withFileTypes: true,
            })) {
                this.#readdirAddChild(e, children);
            }
            this.#readdirSuccess(children);
        }
        catch (er) {
            this.#readdirFail(er.code);
            children.provisional = 0;
        }
        return children.slice(0, children.provisional);
    }
    canReaddir() {
        if (this.#type & ENOCHILD)
            return false;
        const ifmt = IFMT & this.#type;
        // we always set ENOTDIR when setting IFMT, so should be impossible
        /* c8 ignore start */
        if (!(ifmt === UNKNOWN || ifmt === IFDIR || ifmt === IFLNK)) {
            return false;
        }
        /* c8 ignore stop */
        return true;
    }
    shouldWalk(dirs, walkFilter) {
        return ((this.#type & IFDIR) === IFDIR &&
            !(this.#type & ENOCHILD) &&
            !dirs.has(this) &&
            (!walkFilter || walkFilter(this)));
    }
    /**
     * Return the Path object corresponding to path as resolved
     * by realpath(3).
     *
     * If the realpath call fails for any reason, `undefined` is returned.
     *
     * Result is cached, and thus may be outdated if the filesystem is mutated.
     * On success, returns a Path object.
     */
    async realpath() {
        if (this.#realpath)
            return this.#realpath;
        if ((ENOREALPATH | ENOREADLINK | ENOENT) & this.#type)
            return undefined;
        try {
            const rp = await this.#fs.promises.realpath(this.fullpath());
            return (this.#realpath = this.resolve(rp));
        }
        catch (_) {
            this.#markENOREALPATH();
        }
    }
    /**
     * Synchronous {@link realpath}
     */
    realpathSync() {
        if (this.#realpath)
            return this.#realpath;
        if ((ENOREALPATH | ENOREADLINK | ENOENT) & this.#type)
            return undefined;
        try {
            const rp = this.#fs.realpathSync(this.fullpath());
            return (this.#realpath = this.resolve(rp));
        }
        catch (_) {
            this.#markENOREALPATH();
        }
    }
    /**
     * Internal method to mark this Path object as the scurry cwd,
     * called by {@link PathScurry#chdir}
     *
     * @internal
     */
    [setAsCwd](oldCwd) {
        if (oldCwd === this)
            return;
        const changed = new Set([]);
        let rp = [];
        let p = this;
        while (p && p.parent) {
            changed.add(p);
            p.#relative = rp.join(this.sep);
            p.#relativePosix = rp.join('/');
            p = p.parent;
            rp.push('..');
        }
        // now un-memoize parents of old cwd
        p = oldCwd;
        while (p && p.parent && !changed.has(p)) {
            p.#relative = undefined;
            p.#relativePosix = undefined;
            p = p.parent;
        }
    }
}
/**
 * Path class used on win32 systems
 *
 * Uses `'\\'` as the path separator for returned paths, either `'\\'` or `'/'`
 * as the path separator for parsing paths.
 */
class PathWin32 extends PathBase {
    /**
     * Separator for generating path strings.
     */
    sep = '\\';
    /**
     * Separator for parsing path strings.
     */
    splitSep = eitherSep;
    /**
     * Do not create new Path objects directly.  They should always be accessed
     * via the PathScurry class or other methods on the Path class.
     *
     * @internal
     */
    constructor(name, type = UNKNOWN, root, roots, nocase, children, opts) {
        super(name, type, root, roots, nocase, children, opts);
    }
    /**
     * @internal
     */
    newChild(name, type = UNKNOWN, opts = {}) {
        return new PathWin32(name, type, this.root, this.roots, this.nocase, this.childrenCache(), opts);
    }
    /**
     * @internal
     */
    getRootString(path) {
        return win32.parse(path).root;
    }
    /**
     * @internal
     */
    getRoot(rootPath) {
        rootPath = uncToDrive(rootPath.toUpperCase());
        if (rootPath === this.root.name) {
            return this.root;
        }
        // ok, not that one, check if it matches another we know about
        for (const [compare, root] of Object.entries(this.roots)) {
            if (this.sameRoot(rootPath, compare)) {
                return (this.roots[rootPath] = root);
            }
        }
        // otherwise, have to create a new one.
        return (this.roots[rootPath] = new PathScurryWin32(rootPath, this).root);
    }
    /**
     * @internal
     */
    sameRoot(rootPath, compare = this.root.name) {
        // windows can (rarely) have case-sensitive filesystem, but
        // UNC and drive letters are always case-insensitive, and canonically
        // represented uppercase.
        rootPath = rootPath
            .toUpperCase()
            .replace(/\//g, '\\')
            .replace(uncDriveRegexp, '$1\\');
        return rootPath === compare;
    }
}
/**
 * Path class used on all posix systems.
 *
 * Uses `'/'` as the path separator.
 */
class PathPosix extends PathBase {
    /**
     * separator for parsing path strings
     */
    splitSep = '/';
    /**
     * separator for generating path strings
     */
    sep = '/';
    /**
     * Do not create new Path objects directly.  They should always be accessed
     * via the PathScurry class or other methods on the Path class.
     *
     * @internal
     */
    constructor(name, type = UNKNOWN, root, roots, nocase, children, opts) {
        super(name, type, root, roots, nocase, children, opts);
    }
    /**
     * @internal
     */
    getRootString(path) {
        return path.startsWith('/') ? '/' : '';
    }
    /**
     * @internal
     */
    getRoot(_rootPath) {
        return this.root;
    }
    /**
     * @internal
     */
    newChild(name, type = UNKNOWN, opts = {}) {
        return new PathPosix(name, type, this.root, this.roots, this.nocase, this.childrenCache(), opts);
    }
}
/**
 * The base class for all PathScurry classes, providing the interface for path
 * resolution and filesystem operations.
 *
 * Typically, you should *not* instantiate this class directly, but rather one
 * of the platform-specific classes, or the exported {@link PathScurry} which
 * defaults to the current platform.
 */
class PathScurryBase {
    /**
     * The root Path entry for the current working directory of this Scurry
     */
    root;
    /**
     * The string path for the root of this Scurry's current working directory
     */
    rootPath;
    /**
     * A collection of all roots encountered, referenced by rootPath
     */
    roots;
    /**
     * The Path entry corresponding to this PathScurry's current working directory.
     */
    cwd;
    #resolveCache;
    #resolvePosixCache;
    #children;
    /**
     * Perform path comparisons case-insensitively.
     *
     * Defaults true on Darwin and Windows systems, false elsewhere.
     */
    nocase;
    #fs;
    /**
     * This class should not be instantiated directly.
     *
     * Use PathScurryWin32, PathScurryDarwin, PathScurryPosix, or PathScurry
     *
     * @internal
     */
    constructor(cwd = process.cwd(), pathImpl, sep, { nocase, childrenCacheSize = 16 * 1024, fs = defaultFS, } = {}) {
        this.#fs = fsFromOption(fs);
        if (cwd instanceof URL || cwd.startsWith('file://')) {
            cwd = fileURLToPath$1(cwd);
        }
        // resolve and split root, and then add to the store.
        // this is the only time we call path.resolve()
        const cwdPath = pathImpl.resolve(cwd);
        this.roots = Object.create(null);
        this.rootPath = this.parseRootPath(cwdPath);
        this.#resolveCache = new ResolveCache();
        this.#resolvePosixCache = new ResolveCache();
        this.#children = new ChildrenCache(childrenCacheSize);
        const split = cwdPath.substring(this.rootPath.length).split(sep);
        // resolve('/') leaves '', splits to [''], we don't want that.
        if (split.length === 1 && !split[0]) {
            split.pop();
        }
        /* c8 ignore start */
        if (nocase === undefined) {
            throw new TypeError('must provide nocase setting to PathScurryBase ctor');
        }
        /* c8 ignore stop */
        this.nocase = nocase;
        this.root = this.newRoot(this.#fs);
        this.roots[this.rootPath] = this.root;
        let prev = this.root;
        let len = split.length - 1;
        const joinSep = pathImpl.sep;
        let abs = this.rootPath;
        let sawFirst = false;
        for (const part of split) {
            const l = len--;
            prev = prev.child(part, {
                relative: new Array(l).fill('..').join(joinSep),
                relativePosix: new Array(l).fill('..').join('/'),
                fullpath: (abs += (sawFirst ? '' : joinSep) + part),
            });
            sawFirst = true;
        }
        this.cwd = prev;
    }
    /**
     * Get the depth of a provided path, string, or the cwd
     */
    depth(path = this.cwd) {
        if (typeof path === 'string') {
            path = this.cwd.resolve(path);
        }
        return path.depth();
    }
    /**
     * Return the cache of child entries.  Exposed so subclasses can create
     * child Path objects in a platform-specific way.
     *
     * @internal
     */
    childrenCache() {
        return this.#children;
    }
    /**
     * Resolve one or more path strings to a resolved string
     *
     * Same interface as require('path').resolve.
     *
     * Much faster than path.resolve() when called multiple times for the same
     * path, because the resolved Path objects are cached.  Much slower
     * otherwise.
     */
    resolve(...paths) {
        // first figure out the minimum number of paths we have to test
        // we always start at cwd, but any absolutes will bump the start
        let r = '';
        for (let i = paths.length - 1; i >= 0; i--) {
            const p = paths[i];
            if (!p || p === '.')
                continue;
            r = r ? `${p}/${r}` : p;
            if (this.isAbsolute(p)) {
                break;
            }
        }
        const cached = this.#resolveCache.get(r);
        if (cached !== undefined) {
            return cached;
        }
        const result = this.cwd.resolve(r).fullpath();
        this.#resolveCache.set(r, result);
        return result;
    }
    /**
     * Resolve one or more path strings to a resolved string, returning
     * the posix path.  Identical to .resolve() on posix systems, but on
     * windows will return a forward-slash separated UNC path.
     *
     * Same interface as require('path').resolve.
     *
     * Much faster than path.resolve() when called multiple times for the same
     * path, because the resolved Path objects are cached.  Much slower
     * otherwise.
     */
    resolvePosix(...paths) {
        // first figure out the minimum number of paths we have to test
        // we always start at cwd, but any absolutes will bump the start
        let r = '';
        for (let i = paths.length - 1; i >= 0; i--) {
            const p = paths[i];
            if (!p || p === '.')
                continue;
            r = r ? `${p}/${r}` : p;
            if (this.isAbsolute(p)) {
                break;
            }
        }
        const cached = this.#resolvePosixCache.get(r);
        if (cached !== undefined) {
            return cached;
        }
        const result = this.cwd.resolve(r).fullpathPosix();
        this.#resolvePosixCache.set(r, result);
        return result;
    }
    /**
     * find the relative path from the cwd to the supplied path string or entry
     */
    relative(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return entry.relative();
    }
    /**
     * find the relative path from the cwd to the supplied path string or
     * entry, using / as the path delimiter, even on Windows.
     */
    relativePosix(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return entry.relativePosix();
    }
    /**
     * Return the basename for the provided string or Path object
     */
    basename(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return entry.name;
    }
    /**
     * Return the dirname for the provided string or Path object
     */
    dirname(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return (entry.parent || entry).fullpath();
    }
    async readdir(entry = this.cwd, opts = {
        withFileTypes: true,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes } = opts;
        if (!entry.canReaddir()) {
            return [];
        }
        else {
            const p = await entry.readdir();
            return withFileTypes ? p : p.map(e => e.name);
        }
    }
    readdirSync(entry = this.cwd, opts = {
        withFileTypes: true,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true } = opts;
        if (!entry.canReaddir()) {
            return [];
        }
        else if (withFileTypes) {
            return entry.readdirSync();
        }
        else {
            return entry.readdirSync().map(e => e.name);
        }
    }
    /**
     * Call lstat() on the string or Path object, and update all known
     * information that can be determined.
     *
     * Note that unlike `fs.lstat()`, the returned value does not contain some
     * information, such as `mode`, `dev`, `nlink`, and `ino`.  If that
     * information is required, you will need to call `fs.lstat` yourself.
     *
     * If the Path refers to a nonexistent file, or if the lstat call fails for
     * any reason, `undefined` is returned.  Otherwise the updated Path object is
     * returned.
     *
     * Results are cached, and thus may be out of date if the filesystem is
     * mutated.
     */
    async lstat(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return entry.lstat();
    }
    /**
     * synchronous {@link PathScurryBase.lstat}
     */
    lstatSync(entry = this.cwd) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        return entry.lstatSync();
    }
    async readlink(entry = this.cwd, { withFileTypes } = {
        withFileTypes: false,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            withFileTypes = entry.withFileTypes;
            entry = this.cwd;
        }
        const e = await entry.readlink();
        return withFileTypes ? e : e?.fullpath();
    }
    readlinkSync(entry = this.cwd, { withFileTypes } = {
        withFileTypes: false,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            withFileTypes = entry.withFileTypes;
            entry = this.cwd;
        }
        const e = entry.readlinkSync();
        return withFileTypes ? e : e?.fullpath();
    }
    async realpath(entry = this.cwd, { withFileTypes } = {
        withFileTypes: false,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            withFileTypes = entry.withFileTypes;
            entry = this.cwd;
        }
        const e = await entry.realpath();
        return withFileTypes ? e : e?.fullpath();
    }
    realpathSync(entry = this.cwd, { withFileTypes } = {
        withFileTypes: false,
    }) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            withFileTypes = entry.withFileTypes;
            entry = this.cwd;
        }
        const e = entry.realpathSync();
        return withFileTypes ? e : e?.fullpath();
    }
    async walk(entry = this.cwd, opts = {}) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true, follow = false, filter, walkFilter, } = opts;
        const results = [];
        if (!filter || filter(entry)) {
            results.push(withFileTypes ? entry : entry.fullpath());
        }
        const dirs = new Set();
        const walk = (dir, cb) => {
            dirs.add(dir);
            dir.readdirCB((er, entries) => {
                /* c8 ignore start */
                if (er) {
                    return cb(er);
                }
                /* c8 ignore stop */
                let len = entries.length;
                if (!len)
                    return cb();
                const next = () => {
                    if (--len === 0) {
                        cb();
                    }
                };
                for (const e of entries) {
                    if (!filter || filter(e)) {
                        results.push(withFileTypes ? e : e.fullpath());
                    }
                    if (follow && e.isSymbolicLink()) {
                        e.realpath()
                            .then(r => (r?.isUnknown() ? r.lstat() : r))
                            .then(r => r?.shouldWalk(dirs, walkFilter) ? walk(r, next) : next());
                    }
                    else {
                        if (e.shouldWalk(dirs, walkFilter)) {
                            walk(e, next);
                        }
                        else {
                            next();
                        }
                    }
                }
            }, true); // zalgooooooo
        };
        const start = entry;
        return new Promise((res, rej) => {
            walk(start, er => {
                /* c8 ignore start */
                if (er)
                    return rej(er);
                /* c8 ignore stop */
                res(results);
            });
        });
    }
    walkSync(entry = this.cwd, opts = {}) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true, follow = false, filter, walkFilter, } = opts;
        const results = [];
        if (!filter || filter(entry)) {
            results.push(withFileTypes ? entry : entry.fullpath());
        }
        const dirs = new Set([entry]);
        for (const dir of dirs) {
            const entries = dir.readdirSync();
            for (const e of entries) {
                if (!filter || filter(e)) {
                    results.push(withFileTypes ? e : e.fullpath());
                }
                let r = e;
                if (e.isSymbolicLink()) {
                    if (!(follow && (r = e.realpathSync())))
                        continue;
                    if (r.isUnknown())
                        r.lstatSync();
                }
                if (r.shouldWalk(dirs, walkFilter)) {
                    dirs.add(r);
                }
            }
        }
        return results;
    }
    /**
     * Support for `for await`
     *
     * Alias for {@link PathScurryBase.iterate}
     *
     * Note: As of Node 19, this is very slow, compared to other methods of
     * walking.  Consider using {@link PathScurryBase.stream} if memory overhead
     * and backpressure are concerns, or {@link PathScurryBase.walk} if not.
     */
    [Symbol.asyncIterator]() {
        return this.iterate();
    }
    iterate(entry = this.cwd, options = {}) {
        // iterating async over the stream is significantly more performant,
        // especially in the warm-cache scenario, because it buffers up directory
        // entries in the background instead of waiting for a yield for each one.
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            options = entry;
            entry = this.cwd;
        }
        return this.stream(entry, options)[Symbol.asyncIterator]();
    }
    /**
     * Iterating over a PathScurry performs a synchronous walk.
     *
     * Alias for {@link PathScurryBase.iterateSync}
     */
    [Symbol.iterator]() {
        return this.iterateSync();
    }
    *iterateSync(entry = this.cwd, opts = {}) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true, follow = false, filter, walkFilter, } = opts;
        if (!filter || filter(entry)) {
            yield withFileTypes ? entry : entry.fullpath();
        }
        const dirs = new Set([entry]);
        for (const dir of dirs) {
            const entries = dir.readdirSync();
            for (const e of entries) {
                if (!filter || filter(e)) {
                    yield withFileTypes ? e : e.fullpath();
                }
                let r = e;
                if (e.isSymbolicLink()) {
                    if (!(follow && (r = e.realpathSync())))
                        continue;
                    if (r.isUnknown())
                        r.lstatSync();
                }
                if (r.shouldWalk(dirs, walkFilter)) {
                    dirs.add(r);
                }
            }
        }
    }
    stream(entry = this.cwd, opts = {}) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true, follow = false, filter, walkFilter, } = opts;
        const results = new Minipass({ objectMode: true });
        if (!filter || filter(entry)) {
            results.write(withFileTypes ? entry : entry.fullpath());
        }
        const dirs = new Set();
        const queue = [entry];
        let processing = 0;
        const process = () => {
            let paused = false;
            while (!paused) {
                const dir = queue.shift();
                if (!dir) {
                    if (processing === 0)
                        results.end();
                    return;
                }
                processing++;
                dirs.add(dir);
                const onReaddir = (er, entries, didRealpaths = false) => {
                    /* c8 ignore start */
                    if (er)
                        return results.emit('error', er);
                    /* c8 ignore stop */
                    if (follow && !didRealpaths) {
                        const promises = [];
                        for (const e of entries) {
                            if (e.isSymbolicLink()) {
                                promises.push(e
                                    .realpath()
                                    .then((r) => r?.isUnknown() ? r.lstat() : r));
                            }
                        }
                        if (promises.length) {
                            Promise.all(promises).then(() => onReaddir(null, entries, true));
                            return;
                        }
                    }
                    for (const e of entries) {
                        if (e && (!filter || filter(e))) {
                            if (!results.write(withFileTypes ? e : e.fullpath())) {
                                paused = true;
                            }
                        }
                    }
                    processing--;
                    for (const e of entries) {
                        const r = e.realpathCached() || e;
                        if (r.shouldWalk(dirs, walkFilter)) {
                            queue.push(r);
                        }
                    }
                    if (paused && !results.flowing) {
                        results.once('drain', process);
                    }
                    else if (!sync) {
                        process();
                    }
                };
                // zalgo containment
                let sync = true;
                dir.readdirCB(onReaddir, true);
                sync = false;
            }
        };
        process();
        return results;
    }
    streamSync(entry = this.cwd, opts = {}) {
        if (typeof entry === 'string') {
            entry = this.cwd.resolve(entry);
        }
        else if (!(entry instanceof PathBase)) {
            opts = entry;
            entry = this.cwd;
        }
        const { withFileTypes = true, follow = false, filter, walkFilter, } = opts;
        const results = new Minipass({ objectMode: true });
        const dirs = new Set();
        if (!filter || filter(entry)) {
            results.write(withFileTypes ? entry : entry.fullpath());
        }
        const queue = [entry];
        let processing = 0;
        const process = () => {
            let paused = false;
            while (!paused) {
                const dir = queue.shift();
                if (!dir) {
                    if (processing === 0)
                        results.end();
                    return;
                }
                processing++;
                dirs.add(dir);
                const entries = dir.readdirSync();
                for (const e of entries) {
                    if (!filter || filter(e)) {
                        if (!results.write(withFileTypes ? e : e.fullpath())) {
                            paused = true;
                        }
                    }
                }
                processing--;
                for (const e of entries) {
                    let r = e;
                    if (e.isSymbolicLink()) {
                        if (!(follow && (r = e.realpathSync())))
                            continue;
                        if (r.isUnknown())
                            r.lstatSync();
                    }
                    if (r.shouldWalk(dirs, walkFilter)) {
                        queue.push(r);
                    }
                }
            }
            if (paused && !results.flowing)
                results.once('drain', process);
        };
        process();
        return results;
    }
    chdir(path = this.cwd) {
        const oldCwd = this.cwd;
        this.cwd = typeof path === 'string' ? this.cwd.resolve(path) : path;
        this.cwd[setAsCwd](oldCwd);
    }
}
/**
 * Windows implementation of {@link PathScurryBase}
 *
 * Defaults to case insensitve, uses `'\\'` to generate path strings.  Uses
 * {@link PathWin32} for Path objects.
 */
class PathScurryWin32 extends PathScurryBase {
    /**
     * separator for generating path strings
     */
    sep = '\\';
    constructor(cwd = process.cwd(), opts = {}) {
        const { nocase = true } = opts;
        super(cwd, win32, '\\', { ...opts, nocase });
        this.nocase = nocase;
        for (let p = this.cwd; p; p = p.parent) {
            p.nocase = this.nocase;
        }
    }
    /**
     * @internal
     */
    parseRootPath(dir) {
        // if the path starts with a single separator, it's not a UNC, and we'll
        // just get separator as the root, and driveFromUNC will return \
        // In that case, mount \ on the root from the cwd.
        return win32.parse(dir).root.toUpperCase();
    }
    /**
     * @internal
     */
    newRoot(fs) {
        return new PathWin32(this.rootPath, IFDIR, undefined, this.roots, this.nocase, this.childrenCache(), { fs });
    }
    /**
     * Return true if the provided path string is an absolute path
     */
    isAbsolute(p) {
        return (p.startsWith('/') || p.startsWith('\\') || /^[a-z]:(\/|\\)/i.test(p));
    }
}
/**
 * {@link PathScurryBase} implementation for all posix systems other than Darwin.
 *
 * Defaults to case-sensitive matching, uses `'/'` to generate path strings.
 *
 * Uses {@link PathPosix} for Path objects.
 */
class PathScurryPosix extends PathScurryBase {
    /**
     * separator for generating path strings
     */
    sep = '/';
    constructor(cwd = process.cwd(), opts = {}) {
        const { nocase = false } = opts;
        super(cwd, posix$1, '/', { ...opts, nocase });
        this.nocase = nocase;
    }
    /**
     * @internal
     */
    parseRootPath(_dir) {
        return '/';
    }
    /**
     * @internal
     */
    newRoot(fs) {
        return new PathPosix(this.rootPath, IFDIR, undefined, this.roots, this.nocase, this.childrenCache(), { fs });
    }
    /**
     * Return true if the provided path string is an absolute path
     */
    isAbsolute(p) {
        return p.startsWith('/');
    }
}
/**
 * {@link PathScurryBase} implementation for Darwin (macOS) systems.
 *
 * Defaults to case-insensitive matching, uses `'/'` for generating path
 * strings.
 *
 * Uses {@link PathPosix} for Path objects.
 */
class PathScurryDarwin extends PathScurryPosix {
    constructor(cwd = process.cwd(), opts = {}) {
        const { nocase = true } = opts;
        super(cwd, { ...opts, nocase });
    }
}
/**
 * Default {@link PathBase} implementation for the current platform.
 *
 * {@link PathWin32} on Windows systems, {@link PathPosix} on all others.
 */
process.platform === 'win32' ? PathWin32 : PathPosix;
/**
 * Default {@link PathScurryBase} implementation for the current platform.
 *
 * {@link PathScurryWin32} on Windows systems, {@link PathScurryDarwin} on
 * Darwin (macOS) systems, {@link PathScurryPosix} on all others.
 */
const PathScurry = process.platform === 'win32'
    ? PathScurryWin32
    : process.platform === 'darwin'
        ? PathScurryDarwin
        : PathScurryPosix;

// this is just a very light wrapper around 2 arrays with an offset index
const isPatternList = (pl) => pl.length >= 1;
const isGlobList = (gl) => gl.length >= 1;
/**
 * An immutable-ish view on an array of glob parts and their parsed
 * results
 */
class Pattern {
    #patternList;
    #globList;
    #index;
    length;
    #platform;
    #rest;
    #globString;
    #isDrive;
    #isUNC;
    #isAbsolute;
    #followGlobstar = true;
    constructor(patternList, globList, index, platform) {
        if (!isPatternList(patternList)) {
            throw new TypeError('empty pattern list');
        }
        if (!isGlobList(globList)) {
            throw new TypeError('empty glob list');
        }
        if (globList.length !== patternList.length) {
            throw new TypeError('mismatched pattern list and glob list lengths');
        }
        this.length = patternList.length;
        if (index < 0 || index >= this.length) {
            throw new TypeError('index out of range');
        }
        this.#patternList = patternList;
        this.#globList = globList;
        this.#index = index;
        this.#platform = platform;
        // normalize root entries of absolute patterns on initial creation.
        if (this.#index === 0) {
            // c: => ['c:/']
            // C:/ => ['C:/']
            // C:/x => ['C:/', 'x']
            // //host/share => ['//host/share/']
            // //host/share/ => ['//host/share/']
            // //host/share/x => ['//host/share/', 'x']
            // /etc => ['/', 'etc']
            // / => ['/']
            if (this.isUNC()) {
                // '' / '' / 'host' / 'share'
                const [p0, p1, p2, p3, ...prest] = this.#patternList;
                const [g0, g1, g2, g3, ...grest] = this.#globList;
                if (prest[0] === '') {
                    // ends in /
                    prest.shift();
                    grest.shift();
                }
                const p = [p0, p1, p2, p3, ''].join('/');
                const g = [g0, g1, g2, g3, ''].join('/');
                this.#patternList = [p, ...prest];
                this.#globList = [g, ...grest];
                this.length = this.#patternList.length;
            }
            else if (this.isDrive() || this.isAbsolute()) {
                const [p1, ...prest] = this.#patternList;
                const [g1, ...grest] = this.#globList;
                if (prest[0] === '') {
                    // ends in /
                    prest.shift();
                    grest.shift();
                }
                const p = p1 + '/';
                const g = g1 + '/';
                this.#patternList = [p, ...prest];
                this.#globList = [g, ...grest];
                this.length = this.#patternList.length;
            }
        }
    }
    /**
     * The first entry in the parsed list of patterns
     */
    pattern() {
        return this.#patternList[this.#index];
    }
    /**
     * true of if pattern() returns a string
     */
    isString() {
        return typeof this.#patternList[this.#index] === 'string';
    }
    /**
     * true of if pattern() returns GLOBSTAR
     */
    isGlobstar() {
        return this.#patternList[this.#index] === GLOBSTAR$1;
    }
    /**
     * true if pattern() returns a regexp
     */
    isRegExp() {
        return this.#patternList[this.#index] instanceof RegExp;
    }
    /**
     * The /-joined set of glob parts that make up this pattern
     */
    globString() {
        return (this.#globString =
            this.#globString ||
                (this.#index === 0
                    ? this.isAbsolute()
                        ? this.#globList[0] + this.#globList.slice(1).join('/')
                        : this.#globList.join('/')
                    : this.#globList.slice(this.#index).join('/')));
    }
    /**
     * true if there are more pattern parts after this one
     */
    hasMore() {
        return this.length > this.#index + 1;
    }
    /**
     * The rest of the pattern after this part, or null if this is the end
     */
    rest() {
        if (this.#rest !== undefined)
            return this.#rest;
        if (!this.hasMore())
            return (this.#rest = null);
        this.#rest = new Pattern(this.#patternList, this.#globList, this.#index + 1, this.#platform);
        this.#rest.#isAbsolute = this.#isAbsolute;
        this.#rest.#isUNC = this.#isUNC;
        this.#rest.#isDrive = this.#isDrive;
        return this.#rest;
    }
    /**
     * true if the pattern represents a //unc/path/ on windows
     */
    isUNC() {
        const pl = this.#patternList;
        return this.#isUNC !== undefined
            ? this.#isUNC
            : (this.#isUNC =
                this.#platform === 'win32' &&
                    this.#index === 0 &&
                    pl[0] === '' &&
                    pl[1] === '' &&
                    typeof pl[2] === 'string' &&
                    !!pl[2] &&
                    typeof pl[3] === 'string' &&
                    !!pl[3]);
    }
    // pattern like C:/...
    // split = ['C:', ...]
    // XXX: would be nice to handle patterns like `c:*` to test the cwd
    // in c: for *, but I don't know of a way to even figure out what that
    // cwd is without actually chdir'ing into it?
    /**
     * True if the pattern starts with a drive letter on Windows
     */
    isDrive() {
        const pl = this.#patternList;
        return this.#isDrive !== undefined
            ? this.#isDrive
            : (this.#isDrive =
                this.#platform === 'win32' &&
                    this.#index === 0 &&
                    this.length > 1 &&
                    typeof pl[0] === 'string' &&
                    /^[a-z]:$/i.test(pl[0]));
    }
    // pattern = '/' or '/...' or '/x/...'
    // split = ['', ''] or ['', ...] or ['', 'x', ...]
    // Drive and UNC both considered absolute on windows
    /**
     * True if the pattern is rooted on an absolute path
     */
    isAbsolute() {
        const pl = this.#patternList;
        return this.#isAbsolute !== undefined
            ? this.#isAbsolute
            : (this.#isAbsolute =
                (pl[0] === '' && pl.length > 1) ||
                    this.isDrive() ||
                    this.isUNC());
    }
    /**
     * consume the root of the pattern, and return it
     */
    root() {
        const p = this.#patternList[0];
        return typeof p === 'string' && this.isAbsolute() && this.#index === 0
            ? p
            : '';
    }
    /**
     * Check to see if the current globstar pattern is allowed to follow
     * a symbolic link.
     */
    checkFollowGlobstar() {
        return !(this.#index === 0 ||
            !this.isGlobstar() ||
            !this.#followGlobstar);
    }
    /**
     * Mark that the current globstar pattern is following a symbolic link
     */
    markFollowGlobstar() {
        if (this.#index === 0 || !this.isGlobstar() || !this.#followGlobstar)
            return false;
        this.#followGlobstar = false;
        return true;
    }
}

// give it a pattern, and it'll be able to tell you if
// a given path should be ignored.
// Ignoring a path ignores its children if the pattern ends in /**
// Ignores are always parsed in dot:true mode
const defaultPlatform$1 = typeof process === 'object' &&
    process &&
    typeof process.platform === 'string'
    ? process.platform
    : 'linux';
/**
 * Class used to process ignored patterns
 */
class Ignore {
    relative;
    relativeChildren;
    absolute;
    absoluteChildren;
    constructor(ignored, { nobrace, nocase, noext, noglobstar, platform = defaultPlatform$1, }) {
        this.relative = [];
        this.absolute = [];
        this.relativeChildren = [];
        this.absoluteChildren = [];
        const mmopts = {
            dot: true,
            nobrace,
            nocase,
            noext,
            noglobstar,
            optimizationLevel: 2,
            platform,
            nocomment: true,
            nonegate: true,
        };
        // this is a little weird, but it gives us a clean set of optimized
        // minimatch matchers, without getting tripped up if one of them
        // ends in /** inside a brace section, and it's only inefficient at
        // the start of the walk, not along it.
        // It'd be nice if the Pattern class just had a .test() method, but
        // handling globstars is a bit of a pita, and that code already lives
        // in minimatch anyway.
        // Another way would be if maybe Minimatch could take its set/globParts
        // as an option, and then we could at least just use Pattern to test
        // for absolute-ness.
        // Yet another way, Minimatch could take an array of glob strings, and
        // a cwd option, and do the right thing.
        for (const ign of ignored) {
            const mm = new Minimatch(ign, mmopts);
            for (let i = 0; i < mm.set.length; i++) {
                const parsed = mm.set[i];
                const globParts = mm.globParts[i];
                /* c8 ignore start */
                if (!parsed || !globParts) {
                    throw new Error('invalid pattern object');
                }
                /* c8 ignore stop */
                const p = new Pattern(parsed, globParts, 0, platform);
                const m = new Minimatch(p.globString(), mmopts);
                const children = globParts[globParts.length - 1] === '**';
                const absolute = p.isAbsolute();
                if (absolute)
                    this.absolute.push(m);
                else
                    this.relative.push(m);
                if (children) {
                    if (absolute)
                        this.absoluteChildren.push(m);
                    else
                        this.relativeChildren.push(m);
                }
            }
        }
    }
    ignored(p) {
        const fullpath = p.fullpath();
        const fullpaths = `${fullpath}/`;
        const relative = p.relative() || '.';
        const relatives = `${relative}/`;
        for (const m of this.relative) {
            if (m.match(relative) || m.match(relatives))
                return true;
        }
        for (const m of this.absolute) {
            if (m.match(fullpath) || m.match(fullpaths))
                return true;
        }
        return false;
    }
    childrenIgnored(p) {
        const fullpath = p.fullpath() + '/';
        const relative = (p.relative() || '.') + '/';
        for (const m of this.relativeChildren) {
            if (m.match(relative))
                return true;
        }
        for (const m of this.absoluteChildren) {
            if (m.match(fullpath))
                return true;
        }
        return false;
    }
}

// synchronous utility for filtering entries and calculating subwalks
/**
 * A cache of which patterns have been processed for a given Path
 */
class HasWalkedCache {
    store;
    constructor(store = new Map()) {
        this.store = store;
    }
    copy() {
        return new HasWalkedCache(new Map(this.store));
    }
    hasWalked(target, pattern) {
        return this.store.get(target.fullpath())?.has(pattern.globString());
    }
    storeWalked(target, pattern) {
        const fullpath = target.fullpath();
        const cached = this.store.get(fullpath);
        if (cached)
            cached.add(pattern.globString());
        else
            this.store.set(fullpath, new Set([pattern.globString()]));
    }
}
/**
 * A record of which paths have been matched in a given walk step,
 * and whether they only are considered a match if they are a directory,
 * and whether their absolute or relative path should be returned.
 */
class MatchRecord {
    store = new Map();
    add(target, absolute, ifDir) {
        const n = (absolute ? 2 : 0) | (ifDir ? 1 : 0);
        const current = this.store.get(target);
        this.store.set(target, current === undefined ? n : n & current);
    }
    // match, absolute, ifdir
    entries() {
        return [...this.store.entries()].map(([path, n]) => [
            path,
            !!(n & 2),
            !!(n & 1),
        ]);
    }
}
/**
 * A collection of patterns that must be processed in a subsequent step
 * for a given path.
 */
class SubWalks {
    store = new Map();
    add(target, pattern) {
        if (!target.canReaddir()) {
            return;
        }
        const subs = this.store.get(target);
        if (subs) {
            if (!subs.find(p => p.globString() === pattern.globString())) {
                subs.push(pattern);
            }
        }
        else
            this.store.set(target, [pattern]);
    }
    get(target) {
        const subs = this.store.get(target);
        /* c8 ignore start */
        if (!subs) {
            throw new Error('attempting to walk unknown path');
        }
        /* c8 ignore stop */
        return subs;
    }
    entries() {
        return this.keys().map(k => [k, this.store.get(k)]);
    }
    keys() {
        return [...this.store.keys()].filter(t => t.canReaddir());
    }
}
/**
 * The class that processes patterns for a given path.
 *
 * Handles child entry filtering, and determining whether a path's
 * directory contents must be read.
 */
class Processor {
    hasWalkedCache;
    matches = new MatchRecord();
    subwalks = new SubWalks();
    patterns;
    follow;
    dot;
    opts;
    constructor(opts, hasWalkedCache) {
        this.opts = opts;
        this.follow = !!opts.follow;
        this.dot = !!opts.dot;
        this.hasWalkedCache = hasWalkedCache
            ? hasWalkedCache.copy()
            : new HasWalkedCache();
    }
    processPatterns(target, patterns) {
        this.patterns = patterns;
        const processingSet = patterns.map(p => [target, p]);
        // map of paths to the magic-starting subwalks they need to walk
        // first item in patterns is the filter
        for (let [t, pattern] of processingSet) {
            this.hasWalkedCache.storeWalked(t, pattern);
            const root = pattern.root();
            const absolute = pattern.isAbsolute() && this.opts.absolute !== false;
            // start absolute patterns at root
            if (root) {
                t = t.resolve(root === '/' && this.opts.root !== undefined
                    ? this.opts.root
                    : root);
                const rest = pattern.rest();
                if (!rest) {
                    this.matches.add(t, true, false);
                    continue;
                }
                else {
                    pattern = rest;
                }
            }
            if (t.isENOENT())
                continue;
            let p;
            let rest;
            let changed = false;
            while (typeof (p = pattern.pattern()) === 'string' &&
                (rest = pattern.rest())) {
                const c = t.resolve(p);
                t = c;
                pattern = rest;
                changed = true;
            }
            p = pattern.pattern();
            rest = pattern.rest();
            if (changed) {
                if (this.hasWalkedCache.hasWalked(t, pattern))
                    continue;
                this.hasWalkedCache.storeWalked(t, pattern);
            }
            // now we have either a final string for a known entry,
            // more strings for an unknown entry,
            // or a pattern starting with magic, mounted on t.
            if (typeof p === 'string') {
                // must not be final entry, otherwise we would have
                // concatenated it earlier.
                const ifDir = p === '..' || p === '' || p === '.';
                this.matches.add(t.resolve(p), absolute, ifDir);
                continue;
            }
            else if (p === GLOBSTAR$1) {
                // if no rest, match and subwalk pattern
                // if rest, process rest and subwalk pattern
                // if it's a symlink, but we didn't get here by way of a
                // globstar match (meaning it's the first time THIS globstar
                // has traversed a symlink), then we follow it. Otherwise, stop.
                if (!t.isSymbolicLink() ||
                    this.follow ||
                    pattern.checkFollowGlobstar()) {
                    this.subwalks.add(t, pattern);
                }
                const rp = rest?.pattern();
                const rrest = rest?.rest();
                if (!rest || ((rp === '' || rp === '.') && !rrest)) {
                    // only HAS to be a dir if it ends in **/ or **/.
                    // but ending in ** will match files as well.
                    this.matches.add(t, absolute, rp === '' || rp === '.');
                }
                else {
                    if (rp === '..') {
                        // this would mean you're matching **/.. at the fs root,
                        // and no thanks, I'm not gonna test that specific case.
                        /* c8 ignore start */
                        const tp = t.parent || t;
                        /* c8 ignore stop */
                        if (!rrest)
                            this.matches.add(tp, absolute, true);
                        else if (!this.hasWalkedCache.hasWalked(tp, rrest)) {
                            this.subwalks.add(tp, rrest);
                        }
                    }
                }
            }
            else if (p instanceof RegExp) {
                this.subwalks.add(t, pattern);
            }
        }
        return this;
    }
    subwalkTargets() {
        return this.subwalks.keys();
    }
    child() {
        return new Processor(this.opts, this.hasWalkedCache);
    }
    // return a new Processor containing the subwalks for each
    // child entry, and a set of matches, and
    // a hasWalkedCache that's a copy of this one
    // then we're going to call
    filterEntries(parent, entries) {
        const patterns = this.subwalks.get(parent);
        // put matches and entry walks into the results processor
        const results = this.child();
        for (const e of entries) {
            for (const pattern of patterns) {
                const absolute = pattern.isAbsolute();
                const p = pattern.pattern();
                const rest = pattern.rest();
                if (p === GLOBSTAR$1) {
                    results.testGlobstar(e, pattern, rest, absolute);
                }
                else if (p instanceof RegExp) {
                    results.testRegExp(e, p, rest, absolute);
                }
                else {
                    results.testString(e, p, rest, absolute);
                }
            }
        }
        return results;
    }
    testGlobstar(e, pattern, rest, absolute) {
        if (this.dot || !e.name.startsWith('.')) {
            if (!pattern.hasMore()) {
                this.matches.add(e, absolute, false);
            }
            if (e.canReaddir()) {
                // if we're in follow mode or it's not a symlink, just keep
                // testing the same pattern. If there's more after the globstar,
                // then this symlink consumes the globstar. If not, then we can
                // follow at most ONE symlink along the way, so we mark it, which
                // also checks to ensure that it wasn't already marked.
                if (this.follow || !e.isSymbolicLink()) {
                    this.subwalks.add(e, pattern);
                }
                else if (e.isSymbolicLink()) {
                    if (rest && pattern.checkFollowGlobstar()) {
                        this.subwalks.add(e, rest);
                    }
                    else if (pattern.markFollowGlobstar()) {
                        this.subwalks.add(e, pattern);
                    }
                }
            }
        }
        // if the NEXT thing matches this entry, then also add
        // the rest.
        if (rest) {
            const rp = rest.pattern();
            if (typeof rp === 'string' &&
                // dots and empty were handled already
                rp !== '..' &&
                rp !== '' &&
                rp !== '.') {
                this.testString(e, rp, rest.rest(), absolute);
            }
            else if (rp === '..') {
                /* c8 ignore start */
                const ep = e.parent || e;
                /* c8 ignore stop */
                this.subwalks.add(ep, rest);
            }
            else if (rp instanceof RegExp) {
                this.testRegExp(e, rp, rest.rest(), absolute);
            }
        }
    }
    testRegExp(e, p, rest, absolute) {
        if (!p.test(e.name))
            return;
        if (!rest) {
            this.matches.add(e, absolute, false);
        }
        else {
            this.subwalks.add(e, rest);
        }
    }
    testString(e, p, rest, absolute) {
        // should never happen?
        if (!e.isNamed(p))
            return;
        if (!rest) {
            this.matches.add(e, absolute, false);
        }
        else {
            this.subwalks.add(e, rest);
        }
    }
}

/**
 * Single-use utility classes to provide functionality to the {@link Glob}
 * methods.
 *
 * @module
 */
const makeIgnore = (ignore, opts) => typeof ignore === 'string'
    ? new Ignore([ignore], opts)
    : Array.isArray(ignore)
        ? new Ignore(ignore, opts)
        : ignore;
/**
 * basic walking utilities that all the glob walker types use
 */
class GlobUtil {
    path;
    patterns;
    opts;
    seen = new Set();
    paused = false;
    aborted = false;
    #onResume = [];
    #ignore;
    #sep;
    signal;
    maxDepth;
    constructor(patterns, path, opts) {
        this.patterns = patterns;
        this.path = path;
        this.opts = opts;
        this.#sep = !opts.posix && opts.platform === 'win32' ? '\\' : '/';
        if (opts.ignore) {
            this.#ignore = makeIgnore(opts.ignore, opts);
        }
        // ignore, always set with maxDepth, but it's optional on the
        // GlobOptions type
        /* c8 ignore start */
        this.maxDepth = opts.maxDepth || Infinity;
        /* c8 ignore stop */
        if (opts.signal) {
            this.signal = opts.signal;
            this.signal.addEventListener('abort', () => {
                this.#onResume.length = 0;
            });
        }
    }
    #ignored(path) {
        return this.seen.has(path) || !!this.#ignore?.ignored?.(path);
    }
    #childrenIgnored(path) {
        return !!this.#ignore?.childrenIgnored?.(path);
    }
    // backpressure mechanism
    pause() {
        this.paused = true;
    }
    resume() {
        /* c8 ignore start */
        if (this.signal?.aborted)
            return;
        /* c8 ignore stop */
        this.paused = false;
        let fn = undefined;
        while (!this.paused && (fn = this.#onResume.shift())) {
            fn();
        }
    }
    onResume(fn) {
        if (this.signal?.aborted)
            return;
        /* c8 ignore start */
        if (!this.paused) {
            fn();
        }
        else {
            /* c8 ignore stop */
            this.#onResume.push(fn);
        }
    }
    // do the requisite realpath/stat checking, and return the path
    // to add or undefined to filter it out.
    async matchCheck(e, ifDir) {
        if (ifDir && this.opts.nodir)
            return undefined;
        let rpc;
        if (this.opts.realpath) {
            rpc = e.realpathCached() || (await e.realpath());
            if (!rpc)
                return undefined;
            e = rpc;
        }
        const needStat = e.isUnknown() || this.opts.stat;
        return this.matchCheckTest(needStat ? await e.lstat() : e, ifDir);
    }
    matchCheckTest(e, ifDir) {
        return e &&
            (this.maxDepth === Infinity || e.depth() <= this.maxDepth) &&
            (!ifDir || e.canReaddir()) &&
            (!this.opts.nodir || !e.isDirectory()) &&
            !this.#ignored(e)
            ? e
            : undefined;
    }
    matchCheckSync(e, ifDir) {
        if (ifDir && this.opts.nodir)
            return undefined;
        let rpc;
        if (this.opts.realpath) {
            rpc = e.realpathCached() || e.realpathSync();
            if (!rpc)
                return undefined;
            e = rpc;
        }
        const needStat = e.isUnknown() || this.opts.stat;
        return this.matchCheckTest(needStat ? e.lstatSync() : e, ifDir);
    }
    matchFinish(e, absolute) {
        if (this.#ignored(e))
            return;
        const abs = this.opts.absolute === undefined ? absolute : this.opts.absolute;
        this.seen.add(e);
        const mark = this.opts.mark && e.isDirectory() ? this.#sep : '';
        // ok, we have what we need!
        if (this.opts.withFileTypes) {
            this.matchEmit(e);
        }
        else if (abs) {
            const abs = this.opts.posix ? e.fullpathPosix() : e.fullpath();
            this.matchEmit(abs + mark);
        }
        else {
            const rel = this.opts.posix ? e.relativePosix() : e.relative();
            const pre = this.opts.dotRelative && !rel.startsWith('..' + this.#sep)
                ? '.' + this.#sep
                : '';
            this.matchEmit(!rel ? '.' + mark : pre + rel + mark);
        }
    }
    async match(e, absolute, ifDir) {
        const p = await this.matchCheck(e, ifDir);
        if (p)
            this.matchFinish(p, absolute);
    }
    matchSync(e, absolute, ifDir) {
        const p = this.matchCheckSync(e, ifDir);
        if (p)
            this.matchFinish(p, absolute);
    }
    walkCB(target, patterns, cb) {
        /* c8 ignore start */
        if (this.signal?.aborted)
            cb();
        /* c8 ignore stop */
        this.walkCB2(target, patterns, new Processor(this.opts), cb);
    }
    walkCB2(target, patterns, processor, cb) {
        if (this.#childrenIgnored(target))
            return cb();
        if (this.signal?.aborted)
            cb();
        if (this.paused) {
            this.onResume(() => this.walkCB2(target, patterns, processor, cb));
            return;
        }
        processor.processPatterns(target, patterns);
        // done processing.  all of the above is sync, can be abstracted out.
        // subwalks is a map of paths to the entry filters they need
        // matches is a map of paths to [absolute, ifDir] tuples.
        let tasks = 1;
        const next = () => {
            if (--tasks === 0)
                cb();
        };
        for (const [m, absolute, ifDir] of processor.matches.entries()) {
            if (this.#ignored(m))
                continue;
            tasks++;
            this.match(m, absolute, ifDir).then(() => next());
        }
        for (const t of processor.subwalkTargets()) {
            if (this.maxDepth !== Infinity && t.depth() >= this.maxDepth) {
                continue;
            }
            tasks++;
            const childrenCached = t.readdirCached();
            if (t.calledReaddir())
                this.walkCB3(t, childrenCached, processor, next);
            else {
                t.readdirCB((_, entries) => this.walkCB3(t, entries, processor, next), true);
            }
        }
        next();
    }
    walkCB3(target, entries, processor, cb) {
        processor = processor.filterEntries(target, entries);
        let tasks = 1;
        const next = () => {
            if (--tasks === 0)
                cb();
        };
        for (const [m, absolute, ifDir] of processor.matches.entries()) {
            if (this.#ignored(m))
                continue;
            tasks++;
            this.match(m, absolute, ifDir).then(() => next());
        }
        for (const [target, patterns] of processor.subwalks.entries()) {
            tasks++;
            this.walkCB2(target, patterns, processor.child(), next);
        }
        next();
    }
    walkCBSync(target, patterns, cb) {
        /* c8 ignore start */
        if (this.signal?.aborted)
            cb();
        /* c8 ignore stop */
        this.walkCB2Sync(target, patterns, new Processor(this.opts), cb);
    }
    walkCB2Sync(target, patterns, processor, cb) {
        if (this.#childrenIgnored(target))
            return cb();
        if (this.signal?.aborted)
            cb();
        if (this.paused) {
            this.onResume(() => this.walkCB2Sync(target, patterns, processor, cb));
            return;
        }
        processor.processPatterns(target, patterns);
        // done processing.  all of the above is sync, can be abstracted out.
        // subwalks is a map of paths to the entry filters they need
        // matches is a map of paths to [absolute, ifDir] tuples.
        let tasks = 1;
        const next = () => {
            if (--tasks === 0)
                cb();
        };
        for (const [m, absolute, ifDir] of processor.matches.entries()) {
            if (this.#ignored(m))
                continue;
            this.matchSync(m, absolute, ifDir);
        }
        for (const t of processor.subwalkTargets()) {
            if (this.maxDepth !== Infinity && t.depth() >= this.maxDepth) {
                continue;
            }
            tasks++;
            const children = t.readdirSync();
            this.walkCB3Sync(t, children, processor, next);
        }
        next();
    }
    walkCB3Sync(target, entries, processor, cb) {
        processor = processor.filterEntries(target, entries);
        let tasks = 1;
        const next = () => {
            if (--tasks === 0)
                cb();
        };
        for (const [m, absolute, ifDir] of processor.matches.entries()) {
            if (this.#ignored(m))
                continue;
            this.matchSync(m, absolute, ifDir);
        }
        for (const [target, patterns] of processor.subwalks.entries()) {
            tasks++;
            this.walkCB2Sync(target, patterns, processor.child(), next);
        }
        next();
    }
}
class GlobWalker extends GlobUtil {
    matches;
    constructor(patterns, path, opts) {
        super(patterns, path, opts);
        this.matches = new Set();
    }
    matchEmit(e) {
        this.matches.add(e);
    }
    async walk() {
        if (this.signal?.aborted)
            throw this.signal.reason;
        if (this.path.isUnknown()) {
            await this.path.lstat();
        }
        await new Promise((res, rej) => {
            this.walkCB(this.path, this.patterns, () => {
                if (this.signal?.aborted) {
                    rej(this.signal.reason);
                }
                else {
                    res(this.matches);
                }
            });
        });
        return this.matches;
    }
    walkSync() {
        if (this.signal?.aborted)
            throw this.signal.reason;
        if (this.path.isUnknown()) {
            this.path.lstatSync();
        }
        // nothing for the callback to do, because this never pauses
        this.walkCBSync(this.path, this.patterns, () => {
            if (this.signal?.aborted)
                throw this.signal.reason;
        });
        return this.matches;
    }
}
class GlobStream extends GlobUtil {
    results;
    constructor(patterns, path, opts) {
        super(patterns, path, opts);
        this.results = new Minipass({
            signal: this.signal,
            objectMode: true,
        });
        this.results.on('drain', () => this.resume());
        this.results.on('resume', () => this.resume());
    }
    matchEmit(e) {
        this.results.write(e);
        if (!this.results.flowing)
            this.pause();
    }
    stream() {
        const target = this.path;
        if (target.isUnknown()) {
            target.lstat().then(() => {
                this.walkCB(target, this.patterns, () => this.results.end());
            });
        }
        else {
            this.walkCB(target, this.patterns, () => this.results.end());
        }
        return this.results;
    }
    streamSync() {
        if (this.path.isUnknown()) {
            this.path.lstatSync();
        }
        this.walkCBSync(this.path, this.patterns, () => this.results.end());
        return this.results;
    }
}

// if no process global, just call it linux.
// so we default to case-sensitive, / separators
const defaultPlatform = typeof process === 'object' &&
    process &&
    typeof process.platform === 'string'
    ? process.platform
    : 'linux';
/**
 * An object that can perform glob pattern traversals.
 */
class Glob {
    absolute;
    cwd;
    root;
    dot;
    dotRelative;
    follow;
    ignore;
    magicalBraces;
    mark;
    matchBase;
    maxDepth;
    nobrace;
    nocase;
    nodir;
    noext;
    noglobstar;
    pattern;
    platform;
    realpath;
    scurry;
    stat;
    signal;
    windowsPathsNoEscape;
    withFileTypes;
    /**
     * The options provided to the constructor.
     */
    opts;
    /**
     * An array of parsed immutable {@link Pattern} objects.
     */
    patterns;
    /**
     * All options are stored as properties on the `Glob` object.
     *
     * See {@link GlobOptions} for full options descriptions.
     *
     * Note that a previous `Glob` object can be passed as the
     * `GlobOptions` to another `Glob` instantiation to re-use settings
     * and caches with a new pattern.
     *
     * Traversal functions can be called multiple times to run the walk
     * again.
     */
    constructor(pattern, opts) {
        /* c8 ignore start */
        if (!opts)
            throw new TypeError('glob options required');
        /* c8 ignore stop */
        this.withFileTypes = !!opts.withFileTypes;
        this.signal = opts.signal;
        this.follow = !!opts.follow;
        this.dot = !!opts.dot;
        this.dotRelative = !!opts.dotRelative;
        this.nodir = !!opts.nodir;
        this.mark = !!opts.mark;
        if (!opts.cwd) {
            this.cwd = '';
        }
        else if (opts.cwd instanceof URL || opts.cwd.startsWith('file://')) {
            opts.cwd = fileURLToPath$1(opts.cwd);
        }
        this.cwd = opts.cwd || '';
        this.root = opts.root;
        this.magicalBraces = !!opts.magicalBraces;
        this.nobrace = !!opts.nobrace;
        this.noext = !!opts.noext;
        this.realpath = !!opts.realpath;
        this.absolute = opts.absolute;
        this.noglobstar = !!opts.noglobstar;
        this.matchBase = !!opts.matchBase;
        this.maxDepth =
            typeof opts.maxDepth === 'number' ? opts.maxDepth : Infinity;
        this.stat = !!opts.stat;
        this.ignore = opts.ignore;
        if (this.withFileTypes && this.absolute !== undefined) {
            throw new Error('cannot set absolute and withFileTypes:true');
        }
        if (typeof pattern === 'string') {
            pattern = [pattern];
        }
        this.windowsPathsNoEscape =
            !!opts.windowsPathsNoEscape ||
                opts.allowWindowsEscape === false;
        if (this.windowsPathsNoEscape) {
            pattern = pattern.map(p => p.replace(/\\/g, '/'));
        }
        if (this.matchBase) {
            if (opts.noglobstar) {
                throw new TypeError('base matching requires globstar');
            }
            pattern = pattern.map(p => (p.includes('/') ? p : `./**/${p}`));
        }
        this.pattern = pattern;
        this.platform = opts.platform || defaultPlatform;
        this.opts = { ...opts, platform: this.platform };
        if (opts.scurry) {
            this.scurry = opts.scurry;
            if (opts.nocase !== undefined &&
                opts.nocase !== opts.scurry.nocase) {
                throw new Error('nocase option contradicts provided scurry option');
            }
        }
        else {
            const Scurry = opts.platform === 'win32'
                ? PathScurryWin32
                : opts.platform === 'darwin'
                    ? PathScurryDarwin
                    : opts.platform
                        ? PathScurryPosix
                        : PathScurry;
            this.scurry = new Scurry(this.cwd, {
                nocase: opts.nocase,
                fs: opts.fs,
            });
        }
        this.nocase = this.scurry.nocase;
        // If you do nocase:true on a case-sensitive file system, then
        // we need to use regexps instead of strings for non-magic
        // path portions, because statting `aBc` won't return results
        // for the file `AbC` for example.
        const nocaseMagicOnly = this.platform === 'darwin' || this.platform === 'win32';
        const mmo = {
            // default nocase based on platform
            ...opts,
            dot: this.dot,
            matchBase: this.matchBase,
            nobrace: this.nobrace,
            nocase: this.nocase,
            nocaseMagicOnly,
            nocomment: true,
            noext: this.noext,
            nonegate: true,
            optimizationLevel: 2,
            platform: this.platform,
            windowsPathsNoEscape: this.windowsPathsNoEscape,
            debug: !!this.opts.debug,
        };
        const mms = this.pattern.map(p => new Minimatch(p, mmo));
        const [matchSet, globParts] = mms.reduce((set, m) => {
            set[0].push(...m.set);
            set[1].push(...m.globParts);
            return set;
        }, [[], []]);
        this.patterns = matchSet.map((set, i) => {
            const g = globParts[i];
            /* c8 ignore start */
            if (!g)
                throw new Error('invalid pattern object');
            /* c8 ignore stop */
            return new Pattern(set, g, 0, this.platform);
        });
    }
    async walk() {
        // Walkers always return array of Path objects, so we just have to
        // coerce them into the right shape.  It will have already called
        // realpath() if the option was set to do so, so we know that's cached.
        // start out knowing the cwd, at least
        return [
            ...(await new GlobWalker(this.patterns, this.scurry.cwd, {
                ...this.opts,
                maxDepth: this.maxDepth !== Infinity
                    ? this.maxDepth + this.scurry.cwd.depth()
                    : Infinity,
                platform: this.platform,
                nocase: this.nocase,
            }).walk()),
        ];
    }
    walkSync() {
        return [
            ...new GlobWalker(this.patterns, this.scurry.cwd, {
                ...this.opts,
                maxDepth: this.maxDepth !== Infinity
                    ? this.maxDepth + this.scurry.cwd.depth()
                    : Infinity,
                platform: this.platform,
                nocase: this.nocase,
            }).walkSync(),
        ];
    }
    stream() {
        return new GlobStream(this.patterns, this.scurry.cwd, {
            ...this.opts,
            maxDepth: this.maxDepth !== Infinity
                ? this.maxDepth + this.scurry.cwd.depth()
                : Infinity,
            platform: this.platform,
            nocase: this.nocase,
        }).stream();
    }
    streamSync() {
        return new GlobStream(this.patterns, this.scurry.cwd, {
            ...this.opts,
            maxDepth: this.maxDepth !== Infinity
                ? this.maxDepth + this.scurry.cwd.depth()
                : Infinity,
            platform: this.platform,
            nocase: this.nocase,
        }).streamSync();
    }
    /**
     * Default sync iteration function. Returns a Generator that
     * iterates over the results.
     */
    iterateSync() {
        return this.streamSync()[Symbol.iterator]();
    }
    [Symbol.iterator]() {
        return this.iterateSync();
    }
    /**
     * Default async iteration function. Returns an AsyncGenerator that
     * iterates over the results.
     */
    iterate() {
        return this.stream()[Symbol.asyncIterator]();
    }
    [Symbol.asyncIterator]() {
        return this.iterate();
    }
}

/**
 * Return true if the patterns provided contain any magic glob characters,
 * given the options provided.
 *
 * Brace expansion is not considered "magic" unless the `magicalBraces` option
 * is set, as brace expansion just turns one string into an array of strings.
 * So a pattern like `'x{a,b}y'` would return `false`, because `'xay'` and
 * `'xby'` both do not contain any magic glob characters, and it's treated the
 * same as if you had called it on `['xay', 'xby']`. When `magicalBraces:true`
 * is in the options, brace expansion _is_ treated as a pattern having magic.
 */
const hasMagic = (pattern, options = {}) => {
    if (!Array.isArray(pattern)) {
        pattern = [pattern];
    }
    for (const p of pattern) {
        if (new Minimatch(p, options).hasMagic())
            return true;
    }
    return false;
};

function globStreamSync(pattern, options = {}) {
    return new Glob(pattern, options).streamSync();
}
function globStream(pattern, options = {}) {
    return new Glob(pattern, options).stream();
}
function globSync(pattern, options = {}) {
    return new Glob(pattern, options).walkSync();
}
async function glob_(pattern, options = {}) {
    return new Glob(pattern, options).walk();
}
function globIterateSync(pattern, options = {}) {
    return new Glob(pattern, options).iterateSync();
}
function globIterate(pattern, options = {}) {
    return new Glob(pattern, options).iterate();
}
// aliases: glob.sync.stream() glob.stream.sync() glob.sync() etc
const streamSync = globStreamSync;
const stream$5 = Object.assign(globStream, { sync: globStreamSync });
const iterateSync = globIterateSync;
const iterate = Object.assign(globIterate, {
    sync: globIterateSync,
});
const sync$9 = Object.assign(globSync, {
    stream: globStreamSync,
    iterate: globIterateSync,
});
/* c8 ignore stop */
const glob$1 = Object.assign(glob_, {
    glob: glob_,
    globSync,
    sync: sync$9,
    globStream,
    stream: stream$5,
    globStreamSync,
    streamSync,
    globIterate,
    iterate,
    globIterateSync,
    iterateSync,
    Glob,
    hasMagic,
    escape: escape$4,
    unescape,
});
glob$1.glob = glob$1;

const typeOrUndef = (val, t) => typeof val === 'undefined' || typeof val === t;
const isRimrafOptions = (o) => !!o &&
    typeof o === 'object' &&
    typeOrUndef(o.preserveRoot, 'boolean') &&
    typeOrUndef(o.tmp, 'string') &&
    typeOrUndef(o.maxRetries, 'number') &&
    typeOrUndef(o.retryDelay, 'number') &&
    typeOrUndef(o.backoff, 'number') &&
    typeOrUndef(o.maxBackoff, 'number') &&
    (typeOrUndef(o.glob, 'boolean') || (o.glob && typeof o.glob === 'object')) &&
    typeOrUndef(o.filter, 'function');
const assertRimrafOptions = (o) => {
    if (!isRimrafOptions(o)) {
        throw new Error('invalid rimraf options');
    }
};
const optArgT = (opt) => {
    assertRimrafOptions(opt);
    const { glob, ...options } = opt;
    if (!glob) {
        return options;
    }
    const globOpt = glob === true
        ? opt.signal
            ? { signal: opt.signal }
            : {}
        : opt.signal
            ? {
                signal: opt.signal,
                ...glob,
            }
            : glob;
    return {
        ...options,
        glob: {
            ...globOpt,
            // always get absolute paths from glob, to ensure
            // that we are referencing the correct thing.
            absolute: true,
            withFileTypes: false,
        },
    };
};
const optArg = (opt = {}) => optArgT(opt);
const optArgSync = (opt = {}) => optArgT(opt);

var platform = process.env.__TESTING_RIMRAF_PLATFORM__ || process.platform;

const pathArg = (path, opt = {}) => {
    const type = typeof path;
    if (type !== 'string') {
        const ctor = path && type === 'object' && path.constructor;
        const received = ctor && ctor.name
            ? `an instance of ${ctor.name}`
            : type === 'object'
                ? inspect(path)
                : `type ${type} ${path}`;
        const msg = 'The "path" argument must be of type string. ' + `Received ${received}`;
        throw Object.assign(new TypeError(msg), {
            path,
            code: 'ERR_INVALID_ARG_TYPE',
        });
    }
    if (/\0/.test(path)) {
        // simulate same failure that node raises
        const msg = 'path must be a string without null bytes';
        throw Object.assign(new TypeError(msg), {
            path,
            code: 'ERR_INVALID_ARG_VALUE',
        });
    }
    path = resolve$1(path);
    const { root } = parse$b(path);
    if (path === root && opt.preserveRoot !== false) {
        const msg = 'refusing to remove root directory without preserveRoot:false';
        throw Object.assign(new Error(msg), {
            path,
            code: 'ERR_PRESERVE_ROOT',
        });
    }
    if (platform === 'win32') {
        const badWinChars = /[*|"<>?:]/;
        const { root } = parse$b(path);
        if (badWinChars.test(path.substring(root.length))) {
            throw Object.assign(new Error('Illegal characters in path.'), {
                path,
                code: 'EINVAL',
            });
        }
    }
    return path;
};

// promisify ourselves, because older nodes don't have fs.promises
const readdirSync = (path) => readdirSync$1(path, { withFileTypes: true });
// unrolled for better inlining, this seems to get better performance
// than something like:
// const makeCb = (res, rej) => (er, ...d) => er ? rej(er) : res(...d)
// which would be a bit cleaner.
const chmod$2 = (path, mode) => new Promise((res, rej) => fs__default.chmod(path, mode, (er, ...d) => (er ? rej(er) : res(...d))));
const mkdir = (path, options) => new Promise((res, rej) => fs__default.mkdir(path, options, (er, made) => (er ? rej(er) : res(made))));
const readdir$3 = (path) => new Promise((res, rej) => fs__default.readdir(path, { withFileTypes: true }, (er, data) => er ? rej(er) : res(data)));
const rename$1 = (oldPath, newPath) => new Promise((res, rej) => fs__default.rename(oldPath, newPath, (er, ...d) => (er ? rej(er) : res(...d))));
const rm$1 = (path, options) => new Promise((res, rej) => fs__default.rm(path, options, (er, ...d) => (er ? rej(er) : res(...d))));
const rmdir$3 = (path) => new Promise((res, rej) => fs__default.rmdir(path, (er, ...d) => (er ? rej(er) : res(...d))));
const stat$2 = (path) => new Promise((res, rej) => fs__default.stat(path, (er, data) => (er ? rej(er) : res(data))));
const lstat$3 = (path) => new Promise((res, rej) => fs__default.lstat(path, (er, data) => (er ? rej(er) : res(data))));
const unlink$3 = (path) => new Promise((res, rej) => fs__default.unlink(path, (er, ...d) => (er ? rej(er) : res(...d))));
const promises = {
    chmod: chmod$2,
    mkdir,
    readdir: readdir$3,
    rename: rename$1,
    rm: rm$1,
    rmdir: rmdir$3,
    stat: stat$2,
    lstat: lstat$3,
    unlink: unlink$3,
};

// returns an array of entries if readdir() works,
// or the error that readdir() raised if not.
const { readdir: readdir$2 } = promises;
const readdirOrError = (path) => readdir$2(path).catch(er => er);
const readdirOrErrorSync = (path) => {
    try {
        return readdirSync(path);
    }
    catch (er) {
        return er;
    }
};

const ignoreENOENT = async (p) => p.catch(er => {
    if (er.code !== 'ENOENT') {
        throw er;
    }
});
const ignoreENOENTSync = (fn) => {
    try {
        return fn();
    }
    catch (er) {
        if (er?.code !== 'ENOENT') {
            throw er;
        }
    }
};

// the simple recursive removal, where unlink and rmdir are atomic
// Note that this approach does NOT work on Windows!
// We stat first and only unlink if the Dirent isn't a directory,
// because sunos will let root unlink a directory, and some
// SUPER weird breakage happens as a result.
const { lstat: lstat$2, rmdir: rmdir$2, unlink: unlink$2 } = promises;
const rimrafPosix = async (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return await rimrafPosixDir(path, opt, await lstat$2(path));
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafPosixSync = (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return rimrafPosixDirSync(path, opt, lstatSync(path));
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafPosixDir = async (path, opt, ent) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    const entries = ent.isDirectory() ? await readdirOrError(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !(await opt.filter(path, ent))) {
            return false;
        }
        await ignoreENOENT(unlink$2(path));
        return true;
    }
    const removedAll = (await Promise.all(entries.map(ent => rimrafPosixDir(resolve$1(path, ent.name), opt, ent)))).reduce((a, b) => a && b, true);
    if (!removedAll) {
        return false;
    }
    // we don't ever ACTUALLY try to unlink /, because that can never work
    // but when preserveRoot is false, we could be operating on it.
    // No need to check if preserveRoot is not false.
    if (opt.preserveRoot === false && path === parse$b(path).root) {
        return false;
    }
    if (opt.filter && !(await opt.filter(path, ent))) {
        return false;
    }
    await ignoreENOENT(rmdir$2(path));
    return true;
};
const rimrafPosixDirSync = (path, opt, ent) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    const entries = ent.isDirectory() ? readdirOrErrorSync(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !opt.filter(path, ent)) {
            return false;
        }
        ignoreENOENTSync(() => unlinkSync(path));
        return true;
    }
    let removedAll = true;
    for (const ent of entries) {
        const p = resolve$1(path, ent.name);
        removedAll = rimrafPosixDirSync(p, opt, ent) && removedAll;
    }
    if (opt.preserveRoot === false && path === parse$b(path).root) {
        return false;
    }
    if (!removedAll) {
        return false;
    }
    if (opt.filter && !opt.filter(path, ent)) {
        return false;
    }
    ignoreENOENTSync(() => rmdirSync(path));
    return true;
};

const { chmod: chmod$1 } = promises;
const fixEPERM = (fn) => async (path) => {
    try {
        return await fn(path);
    }
    catch (er) {
        const fer = er;
        if (fer?.code === 'ENOENT') {
            return;
        }
        if (fer?.code === 'EPERM') {
            try {
                await chmod$1(path, 0o666);
            }
            catch (er2) {
                const fer2 = er2;
                if (fer2?.code === 'ENOENT') {
                    return;
                }
                throw er;
            }
            return await fn(path);
        }
        throw er;
    }
};
const fixEPERMSync = (fn) => (path) => {
    try {
        return fn(path);
    }
    catch (er) {
        const fer = er;
        if (fer?.code === 'ENOENT') {
            return;
        }
        if (fer?.code === 'EPERM') {
            try {
                chmodSync(path, 0o666);
            }
            catch (er2) {
                const fer2 = er2;
                if (fer2?.code === 'ENOENT') {
                    return;
                }
                throw er;
            }
            return fn(path);
        }
        throw er;
    }
};

// note: max backoff is the maximum that any *single* backoff will do
const MAXBACKOFF = 200;
const RATE = 1.2;
const MAXRETRIES = 10;
const codes = new Set(['EMFILE', 'ENFILE', 'EBUSY']);
const retryBusy = (fn) => {
    const method = async (path, opt, backoff = 1, total = 0) => {
        const mbo = opt.maxBackoff || MAXBACKOFF;
        const rate = opt.backoff || RATE;
        const max = opt.maxRetries || MAXRETRIES;
        let retries = 0;
        while (true) {
            try {
                return await fn(path);
            }
            catch (er) {
                const fer = er;
                if (fer?.path === path && fer?.code && codes.has(fer.code)) {
                    backoff = Math.ceil(backoff * rate);
                    total = backoff + total;
                    if (total < mbo) {
                        return new Promise((res, rej) => {
                            setTimeout(() => {
                                method(path, opt, backoff, total).then(res, rej);
                            }, backoff);
                        });
                    }
                    if (retries < max) {
                        retries++;
                        continue;
                    }
                }
                throw er;
            }
        }
    };
    return method;
};
// just retries, no async so no backoff
const retryBusySync = (fn) => {
    const method = (path, opt) => {
        const max = opt.maxRetries || MAXRETRIES;
        let retries = 0;
        while (true) {
            try {
                return fn(path);
            }
            catch (er) {
                const fer = er;
                if (fer?.path === path &&
                    fer?.code &&
                    codes.has(fer.code) &&
                    retries < max) {
                    retries++;
                    continue;
                }
                throw er;
            }
        }
    };
    return method;
};

// The default temporary folder location for use in the windows algorithm.
// It's TEMPting to use dirname(path), since that's guaranteed to be on the
// same device.  However, this means that:
// rimraf(path).then(() => rimraf(dirname(path)))
// will often fail with EBUSY, because the parent dir contains
// marked-for-deletion directory entries (which do not show up in readdir).
// The approach here is to use os.tmpdir() if it's on the same drive letter,
// or resolve(path, '\\temp') if it exists, or the root of the drive if not.
// On Posix (not that you'd be likely to use the windows algorithm there),
// it uses os.tmpdir() always.
const { stat: stat$1 } = promises;
const isDirSync = (path) => {
    try {
        return statSync$1(path).isDirectory();
    }
    catch (er) {
        return false;
    }
};
const isDir = (path) => stat$1(path).then(st => st.isDirectory(), () => false);
const win32DefaultTmp = async (path) => {
    const { root } = parse$b(path);
    const tmp = tmpdir();
    const { root: tmpRoot } = parse$b(tmp);
    if (root.toLowerCase() === tmpRoot.toLowerCase()) {
        return tmp;
    }
    const driveTmp = resolve$1(root, '/temp');
    if (await isDir(driveTmp)) {
        return driveTmp;
    }
    return root;
};
const win32DefaultTmpSync = (path) => {
    const { root } = parse$b(path);
    const tmp = tmpdir();
    const { root: tmpRoot } = parse$b(tmp);
    if (root.toLowerCase() === tmpRoot.toLowerCase()) {
        return tmp;
    }
    const driveTmp = resolve$1(root, '/temp');
    if (isDirSync(driveTmp)) {
        return driveTmp;
    }
    return root;
};
const posixDefaultTmp = async () => tmpdir();
const posixDefaultTmpSync = () => tmpdir();
const defaultTmp = platform === 'win32' ? win32DefaultTmp : posixDefaultTmp;
const defaultTmpSync = platform === 'win32' ? win32DefaultTmpSync : posixDefaultTmpSync;

// https://youtu.be/uhRWMGBjlO8?t=537
//
// 1. readdir
// 2. for each entry
//   a. if a non-empty directory, recurse
//   b. if an empty directory, move to random hidden file name in $TEMP
//   c. unlink/rmdir $TEMP
//
// This works around the fact that unlink/rmdir is non-atomic and takes
// a non-deterministic amount of time to complete.
//
// However, it is HELLA SLOW, like 2-10x slower than a naive recursive rm.
const { lstat: lstat$1, rename, unlink: unlink$1, rmdir: rmdir$1, chmod } = promises;
// crypto.randomBytes is much slower, and Math.random() is enough here
const uniqueFilename = (path) => `.${basename(path)}.${Math.random()}`;
const unlinkFixEPERM = async (path) => unlink$1(path).catch((er) => {
    if (er.code === 'EPERM') {
        return chmod(path, 0o666).then(() => unlink$1(path), er2 => {
            if (er2.code === 'ENOENT') {
                return;
            }
            throw er;
        });
    }
    else if (er.code === 'ENOENT') {
        return;
    }
    throw er;
});
const unlinkFixEPERMSync = (path) => {
    try {
        unlinkSync(path);
    }
    catch (er) {
        if (er?.code === 'EPERM') {
            try {
                return chmodSync(path, 0o666);
            }
            catch (er2) {
                if (er2?.code === 'ENOENT') {
                    return;
                }
                throw er;
            }
        }
        else if (er?.code === 'ENOENT') {
            return;
        }
        throw er;
    }
};
const rimrafMoveRemove = async (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return await rimrafMoveRemoveDir(path, opt, await lstat$1(path));
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafMoveRemoveDir = async (path, opt, ent) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    if (!opt.tmp) {
        return rimrafMoveRemoveDir(path, { ...opt, tmp: await defaultTmp(path) }, ent);
    }
    if (path === opt.tmp && parse$b(path).root !== path) {
        throw new Error('cannot delete temp directory used for deletion');
    }
    const entries = ent.isDirectory() ? await readdirOrError(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !(await opt.filter(path, ent))) {
            return false;
        }
        await ignoreENOENT(tmpUnlink(path, opt.tmp, unlinkFixEPERM));
        return true;
    }
    const removedAll = (await Promise.all(entries.map(ent => rimrafMoveRemoveDir(resolve$1(path, ent.name), opt, ent)))).reduce((a, b) => a && b, true);
    if (!removedAll) {
        return false;
    }
    // we don't ever ACTUALLY try to unlink /, because that can never work
    // but when preserveRoot is false, we could be operating on it.
    // No need to check if preserveRoot is not false.
    if (opt.preserveRoot === false && path === parse$b(path).root) {
        return false;
    }
    if (opt.filter && !(await opt.filter(path, ent))) {
        return false;
    }
    await ignoreENOENT(tmpUnlink(path, opt.tmp, rmdir$1));
    return true;
};
const tmpUnlink = async (path, tmp, rm) => {
    const tmpFile = resolve$1(tmp, uniqueFilename(path));
    await rename(path, tmpFile);
    return await rm(tmpFile);
};
const rimrafMoveRemoveSync = (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return rimrafMoveRemoveDirSync(path, opt, lstatSync(path));
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafMoveRemoveDirSync = (path, opt, ent) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    if (!opt.tmp) {
        return rimrafMoveRemoveDirSync(path, { ...opt, tmp: defaultTmpSync(path) }, ent);
    }
    const tmp = opt.tmp;
    if (path === opt.tmp && parse$b(path).root !== path) {
        throw new Error('cannot delete temp directory used for deletion');
    }
    const entries = ent.isDirectory() ? readdirOrErrorSync(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !opt.filter(path, ent)) {
            return false;
        }
        ignoreENOENTSync(() => tmpUnlinkSync(path, tmp, unlinkFixEPERMSync));
        return true;
    }
    let removedAll = true;
    for (const ent of entries) {
        const p = resolve$1(path, ent.name);
        removedAll = rimrafMoveRemoveDirSync(p, opt, ent) && removedAll;
    }
    if (!removedAll) {
        return false;
    }
    if (opt.preserveRoot === false && path === parse$b(path).root) {
        return false;
    }
    if (opt.filter && !opt.filter(path, ent)) {
        return false;
    }
    ignoreENOENTSync(() => tmpUnlinkSync(path, tmp, rmdirSync));
    return true;
};
const tmpUnlinkSync = (path, tmp, rmSync) => {
    const tmpFile = resolve$1(tmp, uniqueFilename(path));
    renameSync(path, tmpFile);
    return rmSync(tmpFile);
};

// This is the same as rimrafPosix, with the following changes:
//
// 1. EBUSY, ENFILE, EMFILE trigger retries and/or exponential backoff
// 2. All non-directories are removed first and then all directories are
//    removed in a second sweep.
// 3. If we hit ENOTEMPTY in the second sweep, fall back to move-remove on
//    the that folder.
//
// Note: "move then remove" is 2-10 times slower, and just as unreliable.
const { unlink, rmdir, lstat } = promises;
const rimrafWindowsFile = retryBusy(fixEPERM(unlink));
const rimrafWindowsFileSync = retryBusySync(fixEPERMSync(unlinkSync));
const rimrafWindowsDirRetry = retryBusy(fixEPERM(rmdir));
const rimrafWindowsDirRetrySync = retryBusySync(fixEPERMSync(rmdirSync));
const rimrafWindowsDirMoveRemoveFallback = async (path, opt) => {
    /* c8 ignore start */
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    /* c8 ignore stop */
    // already filtered, remove from options so we don't call unnecessarily
    const { filter, ...options } = opt;
    try {
        return await rimrafWindowsDirRetry(path, options);
    }
    catch (er) {
        if (er?.code === 'ENOTEMPTY') {
            return await rimrafMoveRemove(path, options);
        }
        throw er;
    }
};
const rimrafWindowsDirMoveRemoveFallbackSync = (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    // already filtered, remove from options so we don't call unnecessarily
    const { filter, ...options } = opt;
    try {
        return rimrafWindowsDirRetrySync(path, options);
    }
    catch (er) {
        const fer = er;
        if (fer?.code === 'ENOTEMPTY') {
            return rimrafMoveRemoveSync(path, options);
        }
        throw er;
    }
};
const START = Symbol('start');
const CHILD = Symbol('child');
const FINISH = Symbol('finish');
const rimrafWindows = async (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return await rimrafWindowsDir(path, opt, await lstat(path), START);
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafWindowsSync = (path, opt) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    try {
        return rimrafWindowsDirSync(path, opt, lstatSync(path), START);
    }
    catch (er) {
        if (er?.code === 'ENOENT')
            return true;
        throw er;
    }
};
const rimrafWindowsDir = async (path, opt, ent, state = START) => {
    if (opt?.signal?.aborted) {
        throw opt.signal.reason;
    }
    const entries = ent.isDirectory() ? await readdirOrError(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !(await opt.filter(path, ent))) {
            return false;
        }
        // is a file
        await ignoreENOENT(rimrafWindowsFile(path, opt));
        return true;
    }
    const s = state === START ? CHILD : state;
    const removedAll = (await Promise.all(entries.map(ent => rimrafWindowsDir(resolve$1(path, ent.name), opt, ent, s)))).reduce((a, b) => a && b, true);
    if (state === START) {
        return rimrafWindowsDir(path, opt, ent, FINISH);
    }
    else if (state === FINISH) {
        if (opt.preserveRoot === false && path === parse$b(path).root) {
            return false;
        }
        if (!removedAll) {
            return false;
        }
        if (opt.filter && !(await opt.filter(path, ent))) {
            return false;
        }
        await ignoreENOENT(rimrafWindowsDirMoveRemoveFallback(path, opt));
    }
    return true;
};
const rimrafWindowsDirSync = (path, opt, ent, state = START) => {
    const entries = ent.isDirectory() ? readdirOrErrorSync(path) : null;
    if (!Array.isArray(entries)) {
        // this can only happen if lstat/readdir lied, or if the dir was
        // swapped out with a file at just the right moment.
        /* c8 ignore start */
        if (entries) {
            if (entries.code === 'ENOENT') {
                return true;
            }
            if (entries.code !== 'ENOTDIR') {
                throw entries;
            }
        }
        /* c8 ignore stop */
        if (opt.filter && !opt.filter(path, ent)) {
            return false;
        }
        // is a file
        ignoreENOENTSync(() => rimrafWindowsFileSync(path, opt));
        return true;
    }
    let removedAll = true;
    for (const ent of entries) {
        const s = state === START ? CHILD : state;
        const p = resolve$1(path, ent.name);
        removedAll = rimrafWindowsDirSync(p, opt, ent, s) && removedAll;
    }
    if (state === START) {
        return rimrafWindowsDirSync(path, opt, ent, FINISH);
    }
    else if (state === FINISH) {
        if (opt.preserveRoot === false && path === parse$b(path).root) {
            return false;
        }
        if (!removedAll) {
            return false;
        }
        if (opt.filter && !opt.filter(path, ent)) {
            return false;
        }
        ignoreENOENTSync(() => {
            rimrafWindowsDirMoveRemoveFallbackSync(path, opt);
        });
    }
    return true;
};

const rimrafManual = platform === 'win32' ? rimrafWindows : rimrafPosix;
const rimrafManualSync = platform === 'win32' ? rimrafWindowsSync : rimrafPosixSync;

const { rm } = promises;
const rimrafNative = async (path, opt) => {
    await rm(path, {
        ...opt,
        force: true,
        recursive: true,
    });
    return true;
};
const rimrafNativeSync = (path, opt) => {
    rmSync(path, {
        ...opt,
        force: true,
        recursive: true,
    });
    return true;
};

const version$1 = process.env.__TESTING_RIMRAF_NODE_VERSION__ || process.version;
const versArr = version$1.replace(/^v/, '').split('.');
/* c8 ignore start */
const [major = 0, minor = 0] = versArr.map(v => parseInt(v, 10));
/* c8 ignore stop */
const hasNative = major > 14 || (major === 14 && minor >= 14);
// we do NOT use native by default on Windows, because Node's native
// rm implementation is less advanced.  Change this code if that changes.
const useNative = !hasNative || platform === 'win32'
    ? () => false
    : opt => !opt?.signal && !opt?.filter;
const useNativeSync = !hasNative || platform === 'win32'
    ? () => false
    : opt => !opt?.signal && !opt?.filter;

const wrap = (fn) => async (path, opt) => {
    const options = optArg(opt);
    if (options.glob) {
        path = await glob$1(path, options.glob);
    }
    if (Array.isArray(path)) {
        return !!(await Promise.all(path.map(p => fn(pathArg(p, options), options)))).reduce((a, b) => a && b, true);
    }
    else {
        return !!(await fn(pathArg(path, options), options));
    }
};
const wrapSync = (fn) => (path, opt) => {
    const options = optArgSync(opt);
    if (options.glob) {
        path = globSync(path, options.glob);
    }
    if (Array.isArray(path)) {
        return !!path
            .map(p => fn(pathArg(p, options), options))
            .reduce((a, b) => a && b, true);
    }
    else {
        return !!fn(pathArg(path, options), options);
    }
};
const nativeSync = wrapSync(rimrafNativeSync);
const native = Object.assign(wrap(rimrafNative), { sync: nativeSync });
const manualSync = wrapSync(rimrafManualSync);
const manual = Object.assign(wrap(rimrafManual), { sync: manualSync });
const windowsSync = wrapSync(rimrafWindowsSync);
const windows$1 = Object.assign(wrap(rimrafWindows), { sync: windowsSync });
const posixSync = wrapSync(rimrafPosixSync);
const posix = Object.assign(wrap(rimrafPosix), { sync: posixSync });
const moveRemoveSync = wrapSync(rimrafMoveRemoveSync);
const moveRemove = Object.assign(wrap(rimrafMoveRemove), {
    sync: moveRemoveSync,
});
const rimrafSync = wrapSync((path, opt) => useNativeSync(opt) ? rimrafNativeSync(path, opt) : rimrafManualSync(path, opt));
const rimraf_ = wrap((path, opt) => useNative(opt) ? rimrafNative(path, opt) : rimrafManual(path, opt));
const rimraf = Object.assign(rimraf_, {
    rimraf: rimraf_,
    sync: rimrafSync,
    rimrafSync: rimrafSync,
    manual,
    manualSync,
    native,
    nativeSync,
    posix,
    posixSync,
    windows: windows$1,
    windowsSync,
    moveRemove,
    moveRemoveSync,
});
rimraf.rimraf = rimraf;

var src$1 = {exports: {}};

var browser$1 = {exports: {}};

/**
 * Helpers.
 */

var ms;
var hasRequiredMs;

function requireMs () {
	if (hasRequiredMs) return ms;
	hasRequiredMs = 1;
	var s = 1000;
	var m = s * 60;
	var h = m * 60;
	var d = h * 24;
	var w = d * 7;
	var y = d * 365.25;

	/**
	 * Parse or format the given `val`.
	 *
	 * Options:
	 *
	 *  - `long` verbose formatting [false]
	 *
	 * @param {String|Number} val
	 * @param {Object} [options]
	 * @throws {Error} throw an error if val is not a non-empty string or a number
	 * @return {String|Number}
	 * @api public
	 */

	ms = function(val, options) {
	  options = options || {};
	  var type = typeof val;
	  if (type === 'string' && val.length > 0) {
	    return parse(val);
	  } else if (type === 'number' && isFinite(val)) {
	    return options.long ? fmtLong(val) : fmtShort(val);
	  }
	  throw new Error(
	    'val is not a non-empty string or a valid number. val=' +
	      JSON.stringify(val)
	  );
	};

	/**
	 * Parse the given `str` and return milliseconds.
	 *
	 * @param {String} str
	 * @return {Number}
	 * @api private
	 */

	function parse(str) {
	  str = String(str);
	  if (str.length > 100) {
	    return;
	  }
	  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
	    str
	  );
	  if (!match) {
	    return;
	  }
	  var n = parseFloat(match[1]);
	  var type = (match[2] || 'ms').toLowerCase();
	  switch (type) {
	    case 'years':
	    case 'year':
	    case 'yrs':
	    case 'yr':
	    case 'y':
	      return n * y;
	    case 'weeks':
	    case 'week':
	    case 'w':
	      return n * w;
	    case 'days':
	    case 'day':
	    case 'd':
	      return n * d;
	    case 'hours':
	    case 'hour':
	    case 'hrs':
	    case 'hr':
	    case 'h':
	      return n * h;
	    case 'minutes':
	    case 'minute':
	    case 'mins':
	    case 'min':
	    case 'm':
	      return n * m;
	    case 'seconds':
	    case 'second':
	    case 'secs':
	    case 'sec':
	    case 's':
	      return n * s;
	    case 'milliseconds':
	    case 'millisecond':
	    case 'msecs':
	    case 'msec':
	    case 'ms':
	      return n;
	    default:
	      return undefined;
	  }
	}

	/**
	 * Short format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */

	function fmtShort(ms) {
	  var msAbs = Math.abs(ms);
	  if (msAbs >= d) {
	    return Math.round(ms / d) + 'd';
	  }
	  if (msAbs >= h) {
	    return Math.round(ms / h) + 'h';
	  }
	  if (msAbs >= m) {
	    return Math.round(ms / m) + 'm';
	  }
	  if (msAbs >= s) {
	    return Math.round(ms / s) + 's';
	  }
	  return ms + 'ms';
	}

	/**
	 * Long format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */

	function fmtLong(ms) {
	  var msAbs = Math.abs(ms);
	  if (msAbs >= d) {
	    return plural(ms, msAbs, d, 'day');
	  }
	  if (msAbs >= h) {
	    return plural(ms, msAbs, h, 'hour');
	  }
	  if (msAbs >= m) {
	    return plural(ms, msAbs, m, 'minute');
	  }
	  if (msAbs >= s) {
	    return plural(ms, msAbs, s, 'second');
	  }
	  return ms + ' ms';
	}

	/**
	 * Pluralization helper.
	 */

	function plural(ms, msAbs, n, name) {
	  var isPlural = msAbs >= n * 1.5;
	  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
	}
	return ms;
}

var common$e;
var hasRequiredCommon;

function requireCommon () {
	if (hasRequiredCommon) return common$e;
	hasRequiredCommon = 1;
	/**
	 * This is the common logic for both the Node.js and web browser
	 * implementations of `debug()`.
	 */

	function setup(env) {
		createDebug.debug = createDebug;
		createDebug.default = createDebug;
		createDebug.coerce = coerce;
		createDebug.disable = disable;
		createDebug.enable = enable;
		createDebug.enabled = enabled;
		createDebug.humanize = requireMs();
		createDebug.destroy = destroy;

		Object.keys(env).forEach(key => {
			createDebug[key] = env[key];
		});

		/**
		* The currently active debug mode names, and names to skip.
		*/

		createDebug.names = [];
		createDebug.skips = [];

		/**
		* Map of special "%n" handling functions, for the debug "format" argument.
		*
		* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
		*/
		createDebug.formatters = {};

		/**
		* Selects a color for a debug namespace
		* @param {String} namespace The namespace string for the debug instance to be colored
		* @return {Number|String} An ANSI color code for the given namespace
		* @api private
		*/
		function selectColor(namespace) {
			let hash = 0;

			for (let i = 0; i < namespace.length; i++) {
				hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
				hash |= 0; // Convert to 32bit integer
			}

			return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
		}
		createDebug.selectColor = selectColor;

		/**
		* Create a debugger with the given `namespace`.
		*
		* @param {String} namespace
		* @return {Function}
		* @api public
		*/
		function createDebug(namespace) {
			let prevTime;
			let enableOverride = null;
			let namespacesCache;
			let enabledCache;

			function debug(...args) {
				// Disabled?
				if (!debug.enabled) {
					return;
				}

				const self = debug;

				// Set `diff` timestamp
				const curr = Number(new Date());
				const ms = curr - (prevTime || curr);
				self.diff = ms;
				self.prev = prevTime;
				self.curr = curr;
				prevTime = curr;

				args[0] = createDebug.coerce(args[0]);

				if (typeof args[0] !== 'string') {
					// Anything else let's inspect with %O
					args.unshift('%O');
				}

				// Apply any `formatters` transformations
				let index = 0;
				args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
					// If we encounter an escaped % then don't increase the array index
					if (match === '%%') {
						return '%';
					}
					index++;
					const formatter = createDebug.formatters[format];
					if (typeof formatter === 'function') {
						const val = args[index];
						match = formatter.call(self, val);

						// Now we need to remove `args[index]` since it's inlined in the `format`
						args.splice(index, 1);
						index--;
					}
					return match;
				});

				// Apply env-specific formatting (colors, etc.)
				createDebug.formatArgs.call(self, args);

				const logFn = self.log || createDebug.log;
				logFn.apply(self, args);
			}

			debug.namespace = namespace;
			debug.useColors = createDebug.useColors();
			debug.color = createDebug.selectColor(namespace);
			debug.extend = extend;
			debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.

			Object.defineProperty(debug, 'enabled', {
				enumerable: true,
				configurable: false,
				get: () => {
					if (enableOverride !== null) {
						return enableOverride;
					}
					if (namespacesCache !== createDebug.namespaces) {
						namespacesCache = createDebug.namespaces;
						enabledCache = createDebug.enabled(namespace);
					}

					return enabledCache;
				},
				set: v => {
					enableOverride = v;
				}
			});

			// Env-specific initialization logic for debug instances
			if (typeof createDebug.init === 'function') {
				createDebug.init(debug);
			}

			return debug;
		}

		function extend(namespace, delimiter) {
			const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
			newDebug.log = this.log;
			return newDebug;
		}

		/**
		* Enables a debug mode by namespaces. This can include modes
		* separated by a colon and wildcards.
		*
		* @param {String} namespaces
		* @api public
		*/
		function enable(namespaces) {
			createDebug.save(namespaces);
			createDebug.namespaces = namespaces;

			createDebug.names = [];
			createDebug.skips = [];

			let i;
			const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
			const len = split.length;

			for (i = 0; i < len; i++) {
				if (!split[i]) {
					// ignore empty strings
					continue;
				}

				namespaces = split[i].replace(/\*/g, '.*?');

				if (namespaces[0] === '-') {
					createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
				} else {
					createDebug.names.push(new RegExp('^' + namespaces + '$'));
				}
			}
		}

		/**
		* Disable debug output.
		*
		* @return {String} namespaces
		* @api public
		*/
		function disable() {
			const namespaces = [
				...createDebug.names.map(toNamespace),
				...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
			].join(',');
			createDebug.enable('');
			return namespaces;
		}

		/**
		* Returns true if the given mode name is enabled, false otherwise.
		*
		* @param {String} name
		* @return {Boolean}
		* @api public
		*/
		function enabled(name) {
			if (name[name.length - 1] === '*') {
				return true;
			}

			let i;
			let len;

			for (i = 0, len = createDebug.skips.length; i < len; i++) {
				if (createDebug.skips[i].test(name)) {
					return false;
				}
			}

			for (i = 0, len = createDebug.names.length; i < len; i++) {
				if (createDebug.names[i].test(name)) {
					return true;
				}
			}

			return false;
		}

		/**
		* Convert regexp to namespace
		*
		* @param {RegExp} regxep
		* @return {String} namespace
		* @api private
		*/
		function toNamespace(regexp) {
			return regexp.toString()
				.substring(2, regexp.toString().length - 2)
				.replace(/\.\*\?$/, '*');
		}

		/**
		* Coerce `val`.
		*
		* @param {Mixed} val
		* @return {Mixed}
		* @api private
		*/
		function coerce(val) {
			if (val instanceof Error) {
				return val.stack || val.message;
			}
			return val;
		}

		/**
		* XXX DO NOT USE. This is a temporary stub function.
		* XXX It WILL be removed in the next major release.
		*/
		function destroy() {
			console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
		}

		createDebug.enable(createDebug.load());

		return createDebug;
	}

	common$e = setup;
	return common$e;
}

/* eslint-env browser */

var hasRequiredBrowser;

function requireBrowser () {
	if (hasRequiredBrowser) return browser$1.exports;
	hasRequiredBrowser = 1;
	(function (module, exports) {
		/**
		 * This is the web browser implementation of `debug()`.
		 */

		exports.formatArgs = formatArgs;
		exports.save = save;
		exports.load = load;
		exports.useColors = useColors;
		exports.storage = localstorage();
		exports.destroy = (() => {
			let warned = false;

			return () => {
				if (!warned) {
					warned = true;
					console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
				}
			};
		})();

		/**
		 * Colors.
		 */

		exports.colors = [
			'#0000CC',
			'#0000FF',
			'#0033CC',
			'#0033FF',
			'#0066CC',
			'#0066FF',
			'#0099CC',
			'#0099FF',
			'#00CC00',
			'#00CC33',
			'#00CC66',
			'#00CC99',
			'#00CCCC',
			'#00CCFF',
			'#3300CC',
			'#3300FF',
			'#3333CC',
			'#3333FF',
			'#3366CC',
			'#3366FF',
			'#3399CC',
			'#3399FF',
			'#33CC00',
			'#33CC33',
			'#33CC66',
			'#33CC99',
			'#33CCCC',
			'#33CCFF',
			'#6600CC',
			'#6600FF',
			'#6633CC',
			'#6633FF',
			'#66CC00',
			'#66CC33',
			'#9900CC',
			'#9900FF',
			'#9933CC',
			'#9933FF',
			'#99CC00',
			'#99CC33',
			'#CC0000',
			'#CC0033',
			'#CC0066',
			'#CC0099',
			'#CC00CC',
			'#CC00FF',
			'#CC3300',
			'#CC3333',
			'#CC3366',
			'#CC3399',
			'#CC33CC',
			'#CC33FF',
			'#CC6600',
			'#CC6633',
			'#CC9900',
			'#CC9933',
			'#CCCC00',
			'#CCCC33',
			'#FF0000',
			'#FF0033',
			'#FF0066',
			'#FF0099',
			'#FF00CC',
			'#FF00FF',
			'#FF3300',
			'#FF3333',
			'#FF3366',
			'#FF3399',
			'#FF33CC',
			'#FF33FF',
			'#FF6600',
			'#FF6633',
			'#FF9900',
			'#FF9933',
			'#FFCC00',
			'#FFCC33'
		];

		/**
		 * Currently only WebKit-based Web Inspectors, Firefox >= v31,
		 * and the Firebug extension (any Firefox version) are known
		 * to support "%c" CSS customizations.
		 *
		 * TODO: add a `localStorage` variable to explicitly enable/disable colors
		 */

		// eslint-disable-next-line complexity
		function useColors() {
			// NB: In an Electron preload script, document will be defined but not fully
			// initialized. Since we know we're in Chrome, we'll just detect this case
			// explicitly
			if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
				return true;
			}

			// Internet Explorer and Edge do not support colors.
			if (typeof navigator !== 'undefined' && undefined && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
				return false;
			}

			// Is webkit? http://stackoverflow.com/a/16459606/376773
			// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
			return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
				// Is firebug? http://stackoverflow.com/a/398120/376773
				(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
				// Is firefox >= v31?
				// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
				(typeof navigator !== 'undefined' && undefined && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
				// Double check webkit in userAgent just in case we are in a worker
				(typeof navigator !== 'undefined' && undefined && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
		}

		/**
		 * Colorize log arguments if enabled.
		 *
		 * @api public
		 */

		function formatArgs(args) {
			args[0] = (this.useColors ? '%c' : '') +
				this.namespace +
				(this.useColors ? ' %c' : ' ') +
				args[0] +
				(this.useColors ? '%c ' : ' ') +
				'+' + module.exports.humanize(this.diff);

			if (!this.useColors) {
				return;
			}

			const c = 'color: ' + this.color;
			args.splice(1, 0, c, 'color: inherit');

			// The final "%c" is somewhat tricky, because there could be other
			// arguments passed either before or after the %c, so we need to
			// figure out the correct index to insert the CSS into
			let index = 0;
			let lastC = 0;
			args[0].replace(/%[a-zA-Z%]/g, match => {
				if (match === '%%') {
					return;
				}
				index++;
				if (match === '%c') {
					// We only are interested in the *last* %c
					// (the user may have provided their own)
					lastC = index;
				}
			});

			args.splice(lastC, 0, c);
		}

		/**
		 * Invokes `console.debug()` when available.
		 * No-op when `console.debug` is not a "function".
		 * If `console.debug` is not available, falls back
		 * to `console.log`.
		 *
		 * @api public
		 */
		exports.log = console.debug || console.log || (() => {});

		/**
		 * Save `namespaces`.
		 *
		 * @param {String} namespaces
		 * @api private
		 */
		function save(namespaces) {
			try {
				if (namespaces) {
					exports.storage.setItem('debug', namespaces);
				} else {
					exports.storage.removeItem('debug');
				}
			} catch (error) {
				// Swallow
				// XXX (@Qix-) should we be logging these?
			}
		}

		/**
		 * Load `namespaces`.
		 *
		 * @return {String} returns the previously persisted debug modes
		 * @api private
		 */
		function load() {
			let r;
			try {
				r = exports.storage.getItem('debug');
			} catch (error) {
				// Swallow
				// XXX (@Qix-) should we be logging these?
			}

			// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
			if (!r && typeof process !== 'undefined' && 'env' in process) {
				r = process.env.DEBUG;
			}

			return r;
		}

		/**
		 * Localstorage attempts to return the localstorage.
		 *
		 * This is necessary because safari throws
		 * when a user disables cookies/localstorage
		 * and you attempt to access it.
		 *
		 * @return {LocalStorage}
		 * @api private
		 */

		function localstorage() {
			try {
				// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
				// The Browser also has localStorage in the global context.
				return localStorage;
			} catch (error) {
				// Swallow
				// XXX (@Qix-) should we be logging these?
			}
		}

		module.exports = requireCommon()(exports);

		const {formatters} = module.exports;

		/**
		 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
		 */

		formatters.j = function (v) {
			try {
				return JSON.stringify(v);
			} catch (error) {
				return '[UnexpectedJSONParseError]: ' + error.message;
			}
		}; 
	} (browser$1, browser$1.exports));
	return browser$1.exports;
}

var node = {exports: {}};

/* eslint-env browser */

const level$1 = (() => {

	if (/\b(Chrome|Chromium)\//.test(undefined)) {
		return 1;
	}

	return 0;
})();

const colorSupport$1 = level$1 !== 0 && {
	level: level$1,
	hasBasic: true,
	has256: level$1 >= 2,
	has16m: level$1 >= 3,
};

const supportsColor$1 = {
	stdout: colorSupport$1,
	stderr: colorSupport$1,
};

var browser = /*#__PURE__*/Object.freeze({
	__proto__: null,
	default: supportsColor$1
});

var require$$2 = /*@__PURE__*/getAugmentedNamespace(browser);

/**
 * Module dependencies.
 */

var hasRequiredNode;

function requireNode () {
	if (hasRequiredNode) return node.exports;
	hasRequiredNode = 1;
	(function (module, exports) {
		const tty = require$$0$4;
		const util = require$$0$3;

		/**
		 * This is the Node.js implementation of `debug()`.
		 */

		exports.init = init;
		exports.log = log;
		exports.formatArgs = formatArgs;
		exports.save = save;
		exports.load = load;
		exports.useColors = useColors;
		exports.destroy = util.deprecate(
			() => {},
			'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
		);

		/**
		 * Colors.
		 */

		exports.colors = [6, 2, 3, 4, 5, 1];

		try {
			// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
			// eslint-disable-next-line import/no-extraneous-dependencies
			const supportsColor = require$$2;

			if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
				exports.colors = [
					20,
					21,
					26,
					27,
					32,
					33,
					38,
					39,
					40,
					41,
					42,
					43,
					44,
					45,
					56,
					57,
					62,
					63,
					68,
					69,
					74,
					75,
					76,
					77,
					78,
					79,
					80,
					81,
					92,
					93,
					98,
					99,
					112,
					113,
					128,
					129,
					134,
					135,
					148,
					149,
					160,
					161,
					162,
					163,
					164,
					165,
					166,
					167,
					168,
					169,
					170,
					171,
					172,
					173,
					178,
					179,
					184,
					185,
					196,
					197,
					198,
					199,
					200,
					201,
					202,
					203,
					204,
					205,
					206,
					207,
					208,
					209,
					214,
					215,
					220,
					221
				];
			}
		} catch (error) {
			// Swallow - we only care if `supports-color` is available; it doesn't have to be.
		}

		/**
		 * Build up the default `inspectOpts` object from the environment variables.
		 *
		 *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
		 */

		exports.inspectOpts = Object.keys(process.env).filter(key => {
			return /^debug_/i.test(key);
		}).reduce((obj, key) => {
			// Camel-case
			const prop = key
				.substring(6)
				.toLowerCase()
				.replace(/_([a-z])/g, (_, k) => {
					return k.toUpperCase();
				});

			// Coerce string value into JS value
			let val = process.env[key];
			if (/^(yes|on|true|enabled)$/i.test(val)) {
				val = true;
			} else if (/^(no|off|false|disabled)$/i.test(val)) {
				val = false;
			} else if (val === 'null') {
				val = null;
			} else {
				val = Number(val);
			}

			obj[prop] = val;
			return obj;
		}, {});

		/**
		 * Is stdout a TTY? Colored output is enabled when `true`.
		 */

		function useColors() {
			return 'colors' in exports.inspectOpts ?
				Boolean(exports.inspectOpts.colors) :
				tty.isatty(process.stderr.fd);
		}

		/**
		 * Adds ANSI color escape codes if enabled.
		 *
		 * @api public
		 */

		function formatArgs(args) {
			const {namespace: name, useColors} = this;

			if (useColors) {
				const c = this.color;
				const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
				const prefix = `  ${colorCode};1m${name} \u001B[0m`;

				args[0] = prefix + args[0].split('\n').join('\n' + prefix);
				args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
			} else {
				args[0] = getDate() + name + ' ' + args[0];
			}
		}

		function getDate() {
			if (exports.inspectOpts.hideDate) {
				return '';
			}
			return new Date().toISOString() + ' ';
		}

		/**
		 * Invokes `util.format()` with the specified arguments and writes to stderr.
		 */

		function log(...args) {
			return process.stderr.write(util.format(...args) + '\n');
		}

		/**
		 * Save `namespaces`.
		 *
		 * @param {String} namespaces
		 * @api private
		 */
		function save(namespaces) {
			if (namespaces) {
				process.env.DEBUG = namespaces;
			} else {
				// If you set a process.env field to null or undefined, it gets cast to the
				// string 'null' or 'undefined'. Just delete instead.
				delete process.env.DEBUG;
			}
		}

		/**
		 * Load `namespaces`.
		 *
		 * @return {String} returns the previously persisted debug modes
		 * @api private
		 */

		function load() {
			return process.env.DEBUG;
		}

		/**
		 * Init logic for `debug` instances.
		 *
		 * Create a new `inspectOpts` object in case `useColors` is set
		 * differently for a particular `debug` instance.
		 */

		function init(debug) {
			debug.inspectOpts = {};

			const keys = Object.keys(exports.inspectOpts);
			for (let i = 0; i < keys.length; i++) {
				debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
			}
		}

		module.exports = requireCommon()(exports);

		const {formatters} = module.exports;

		/**
		 * Map %o to `util.inspect()`, all on a single line.
		 */

		formatters.o = function (v) {
			this.inspectOpts.colors = this.useColors;
			return util.inspect(v, this.inspectOpts)
				.split('\n')
				.map(str => str.trim())
				.join(' ');
		};

		/**
		 * Map %O to `util.inspect()`, allowing multiple lines if needed.
		 */

		formatters.O = function (v) {
			this.inspectOpts.colors = this.useColors;
			return util.inspect(v, this.inspectOpts);
		}; 
	} (node, node.exports));
	return node.exports;
}

/**
 * Detect Electron renderer / nwjs process, which is node, but we should
 * treat as a browser.
 */

if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
	src$1.exports = requireBrowser();
} else {
	src$1.exports = requireNode();
}

var srcExports = src$1.exports;
var _debug = /*@__PURE__*/getDefaultExportFromCjs(srcExports);

var picocolors = {exports: {}};

let tty = require$$0$4;

let isColorSupported =
	!("NO_COLOR" in process.env || process.argv.includes("--no-color")) &&
	("FORCE_COLOR" in process.env ||
		process.argv.includes("--color") ||
		process.platform === "win32" ||
		(tty.isatty(1) && process.env.TERM !== "dumb") ||
		"CI" in process.env);

let formatter =
	(open, close, replace = open) =>
	input => {
		let string = "" + input;
		let index = string.indexOf(close, open.length);
		return ~index
			? open + replaceClose(string, close, replace, index) + close
			: open + string + close
	};

let replaceClose = (string, close, replace, index) => {
	let start = string.substring(0, index) + replace;
	let end = string.substring(index + close.length);
	let nextIndex = end.indexOf(close);
	return ~nextIndex ? start + replaceClose(end, close, replace, nextIndex) : start + end
};

let createColors = (enabled = isColorSupported) => ({
	isColorSupported: enabled,
	reset: enabled ? s => `\x1b[0m${s}\x1b[0m` : String,
	bold: enabled ? formatter("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m") : String,
	dim: enabled ? formatter("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m") : String,
	italic: enabled ? formatter("\x1b[3m", "\x1b[23m") : String,
	underline: enabled ? formatter("\x1b[4m", "\x1b[24m") : String,
	inverse: enabled ? formatter("\x1b[7m", "\x1b[27m") : String,
	hidden: enabled ? formatter("\x1b[8m", "\x1b[28m") : String,
	strikethrough: enabled ? formatter("\x1b[9m", "\x1b[29m") : String,
	black: enabled ? formatter("\x1b[30m", "\x1b[39m") : String,
	red: enabled ? formatter("\x1b[31m", "\x1b[39m") : String,
	green: enabled ? formatter("\x1b[32m", "\x1b[39m") : String,
	yellow: enabled ? formatter("\x1b[33m", "\x1b[39m") : String,
	blue: enabled ? formatter("\x1b[34m", "\x1b[39m") : String,
	magenta: enabled ? formatter("\x1b[35m", "\x1b[39m") : String,
	cyan: enabled ? formatter("\x1b[36m", "\x1b[39m") : String,
	white: enabled ? formatter("\x1b[37m", "\x1b[39m") : String,
	gray: enabled ? formatter("\x1b[90m", "\x1b[39m") : String,
	bgBlack: enabled ? formatter("\x1b[40m", "\x1b[49m") : String,
	bgRed: enabled ? formatter("\x1b[41m", "\x1b[49m") : String,
	bgGreen: enabled ? formatter("\x1b[42m", "\x1b[49m") : String,
	bgYellow: enabled ? formatter("\x1b[43m", "\x1b[49m") : String,
	bgBlue: enabled ? formatter("\x1b[44m", "\x1b[49m") : String,
	bgMagenta: enabled ? formatter("\x1b[45m", "\x1b[49m") : String,
	bgCyan: enabled ? formatter("\x1b[46m", "\x1b[49m") : String,
	bgWhite: enabled ? formatter("\x1b[47m", "\x1b[49m") : String,
});

picocolors.exports = createColors();
picocolors.exports.createColors = createColors;

var picocolorsExports = picocolors.exports;
var c$1 = /*@__PURE__*/getDefaultExportFromCjs(picocolorsExports);

const require$1 = createRequire(import.meta.url);
const PKG_ROOT = resolve$1(fileURLToPath$1(import.meta.url), "../..");
const DIST_CLIENT_PATH = resolve$1(PKG_ROOT, "client");
const APP_PATH = join(DIST_CLIENT_PATH, "app");
join(DIST_CLIENT_PATH, "shared");
const DEFAULT_THEME_PATH = join(DIST_CLIENT_PATH, "theme-default");
const SITE_DATA_ID = "@siteData";
const SITE_DATA_REQUEST_PATH = "/" + SITE_DATA_ID;
const vueRuntimePath = "vue/dist/vue.runtime.esm-bundler.js";
function resolveAliases({ root, themeDir }, ssr) {
  const paths = {
    "@theme": themeDir,
    [SITE_DATA_ID]: SITE_DATA_REQUEST_PATH
  };
  const aliases = [
    ...Object.keys(paths).map((p) => ({
      find: p,
      replacement: paths[p]
    })),
    {
      find: /^vitepress$/,
      replacement: join(DIST_CLIENT_PATH, "/index.js")
    },
    {
      find: /^vitepress\/theme$/,
      replacement: join(DIST_CLIENT_PATH, "/theme-default/index.js")
    },
    {
      find: /^vue-demi$/,
      replacement: require$1.resolve("vitepress/vue-demi")
    }
  ];
  if (!ssr) {
    let vuePath;
    try {
      vuePath = require$1.resolve(vueRuntimePath, { paths: [root] });
    } catch (e) {
      vuePath = require$1.resolve(vueRuntimePath);
    }
    aliases.push({
      find: /^vue$/,
      replacement: vuePath
    });
  }
  return aliases;
}

var tasks = {};

var utils$s = {};

var array$1 = {};

Object.defineProperty(array$1, "__esModule", { value: true });
array$1.splitWhen = array$1.flatten = void 0;
function flatten(items) {
    return items.reduce((collection, item) => [].concat(collection, item), []);
}
array$1.flatten = flatten;
function splitWhen(items, predicate) {
    const result = [[]];
    let groupIndex = 0;
    for (const item of items) {
        if (predicate(item)) {
            groupIndex++;
            result[groupIndex] = [];
        }
        else {
            result[groupIndex].push(item);
        }
    }
    return result;
}
array$1.splitWhen = splitWhen;

var errno$1 = {};

Object.defineProperty(errno$1, "__esModule", { value: true });
errno$1.isEnoentCodeError = void 0;
function isEnoentCodeError(error) {
    return error.code === 'ENOENT';
}
errno$1.isEnoentCodeError = isEnoentCodeError;

var fs$9 = {};

Object.defineProperty(fs$9, "__esModule", { value: true });
fs$9.createDirentFromStats = void 0;
let DirentFromStats$1 = class DirentFromStats {
    constructor(name, stats) {
        this.name = name;
        this.isBlockDevice = stats.isBlockDevice.bind(stats);
        this.isCharacterDevice = stats.isCharacterDevice.bind(stats);
        this.isDirectory = stats.isDirectory.bind(stats);
        this.isFIFO = stats.isFIFO.bind(stats);
        this.isFile = stats.isFile.bind(stats);
        this.isSocket = stats.isSocket.bind(stats);
        this.isSymbolicLink = stats.isSymbolicLink.bind(stats);
    }
};
function createDirentFromStats$1(name, stats) {
    return new DirentFromStats$1(name, stats);
}
fs$9.createDirentFromStats = createDirentFromStats$1;

var path$c = {};

Object.defineProperty(path$c, "__esModule", { value: true });
path$c.convertPosixPathToPattern = path$c.convertWindowsPathToPattern = path$c.convertPathToPattern = path$c.escapePosixPath = path$c.escapeWindowsPath = path$c.escape = path$c.removeLeadingDotSegment = path$c.makeAbsolute = path$c.unixify = void 0;
const os = require$$0$5;
const path$b = path$q;
const IS_WINDOWS_PLATFORM = os.platform() === 'win32';
const LEADING_DOT_SEGMENT_CHARACTERS_COUNT = 2; // ./ or .\\
/**
 * All non-escaped special characters.
 * Posix: ()*?[]{|}, !+@ before (, ! at the beginning, \\ before non-special characters.
 * Windows: (){}[], !+@ before (, ! at the beginning.
 */
const POSIX_UNESCAPED_GLOB_SYMBOLS_RE = /(\\?)([()*?[\]{|}]|^!|[!+@](?=\()|\\(?![!()*+?@[\]{|}]))/g;
const WINDOWS_UNESCAPED_GLOB_SYMBOLS_RE = /(\\?)([()[\]{}]|^!|[!+@](?=\())/g;
/**
 * The device path (\\.\ or \\?\).
 * https://learn.microsoft.com/en-us/dotnet/standard/io/file-path-formats#dos-device-paths
 */
const DOS_DEVICE_PATH_RE = /^\\\\([.?])/;
/**
 * All backslashes except those escaping special characters.
 * Windows: !()+@{}
 * https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file#naming-conventions
 */
const WINDOWS_BACKSLASHES_RE = /\\(?![!()+@[\]{}])/g;
/**
 * Designed to work only with simple paths: `dir\\file`.
 */
function unixify(filepath) {
    return filepath.replace(/\\/g, '/');
}
path$c.unixify = unixify;
function makeAbsolute(cwd, filepath) {
    return path$b.resolve(cwd, filepath);
}
path$c.makeAbsolute = makeAbsolute;
function removeLeadingDotSegment(entry) {
    // We do not use `startsWith` because this is 10x slower than current implementation for some cases.
    // eslint-disable-next-line @typescript-eslint/prefer-string-starts-ends-with
    if (entry.charAt(0) === '.') {
        const secondCharactery = entry.charAt(1);
        if (secondCharactery === '/' || secondCharactery === '\\') {
            return entry.slice(LEADING_DOT_SEGMENT_CHARACTERS_COUNT);
        }
    }
    return entry;
}
path$c.removeLeadingDotSegment = removeLeadingDotSegment;
path$c.escape = IS_WINDOWS_PLATFORM ? escapeWindowsPath : escapePosixPath;
function escapeWindowsPath(pattern) {
    return pattern.replace(WINDOWS_UNESCAPED_GLOB_SYMBOLS_RE, '\\$2');
}
path$c.escapeWindowsPath = escapeWindowsPath;
function escapePosixPath(pattern) {
    return pattern.replace(POSIX_UNESCAPED_GLOB_SYMBOLS_RE, '\\$2');
}
path$c.escapePosixPath = escapePosixPath;
path$c.convertPathToPattern = IS_WINDOWS_PLATFORM ? convertWindowsPathToPattern : convertPosixPathToPattern;
function convertWindowsPathToPattern(filepath) {
    return escapeWindowsPath(filepath)
        .replace(DOS_DEVICE_PATH_RE, '//$1')
        .replace(WINDOWS_BACKSLASHES_RE, '/');
}
path$c.convertWindowsPathToPattern = convertWindowsPathToPattern;
function convertPosixPathToPattern(filepath) {
    return escapePosixPath(filepath);
}
path$c.convertPosixPathToPattern = convertPosixPathToPattern;

var pattern$1 = {};

/*!
 * is-extglob <https://github.com/jonschlinkert/is-extglob>
 *
 * Copyright (c) 2014-2016, Jon Schlinkert.
 * Licensed under the MIT License.
 */

var isExtglob$1 = function isExtglob(str) {
  if (typeof str !== 'string' || str === '') {
    return false;
  }

  var match;
  while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) {
    if (match[2]) return true;
    str = str.slice(match.index + match[0].length);
  }

  return false;
};

/*!
 * is-glob <https://github.com/jonschlinkert/is-glob>
 *
 * Copyright (c) 2014-2017, Jon Schlinkert.
 * Released under the MIT License.
 */

var isExtglob = isExtglob$1;
var chars = { '{': '}', '(': ')', '[': ']'};
var strictCheck = function(str) {
  if (str[0] === '!') {
    return true;
  }
  var index = 0;
  var pipeIndex = -2;
  var closeSquareIndex = -2;
  var closeCurlyIndex = -2;
  var closeParenIndex = -2;
  var backSlashIndex = -2;
  while (index < str.length) {
    if (str[index] === '*') {
      return true;
    }

    if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) {
      return true;
    }

    if (closeSquareIndex !== -1 && str[index] === '[' && str[index + 1] !== ']') {
      if (closeSquareIndex < index) {
        closeSquareIndex = str.indexOf(']', index);
      }
      if (closeSquareIndex > index) {
        if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
          return true;
        }
        backSlashIndex = str.indexOf('\\', index);
        if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
          return true;
        }
      }
    }

    if (closeCurlyIndex !== -1 && str[index] === '{' && str[index + 1] !== '}') {
      closeCurlyIndex = str.indexOf('}', index);
      if (closeCurlyIndex > index) {
        backSlashIndex = str.indexOf('\\', index);
        if (backSlashIndex === -1 || backSlashIndex > closeCurlyIndex) {
          return true;
        }
      }
    }

    if (closeParenIndex !== -1 && str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') {
      closeParenIndex = str.indexOf(')', index);
      if (closeParenIndex > index) {
        backSlashIndex = str.indexOf('\\', index);
        if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
          return true;
        }
      }
    }

    if (pipeIndex !== -1 && str[index] === '(' && str[index + 1] !== '|') {
      if (pipeIndex < index) {
        pipeIndex = str.indexOf('|', index);
      }
      if (pipeIndex !== -1 && str[pipeIndex + 1] !== ')') {
        closeParenIndex = str.indexOf(')', pipeIndex);
        if (closeParenIndex > pipeIndex) {
          backSlashIndex = str.indexOf('\\', pipeIndex);
          if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
            return true;
          }
        }
      }
    }

    if (str[index] === '\\') {
      var open = str[index + 1];
      index += 2;
      var close = chars[open];

      if (close) {
        var n = str.indexOf(close, index);
        if (n !== -1) {
          index = n + 1;
        }
      }

      if (str[index] === '!') {
        return true;
      }
    } else {
      index++;
    }
  }
  return false;
};

var relaxedCheck = function(str) {
  if (str[0] === '!') {
    return true;
  }
  var index = 0;
  while (index < str.length) {
    if (/[*?{}()[\]]/.test(str[index])) {
      return true;
    }

    if (str[index] === '\\') {
      var open = str[index + 1];
      index += 2;
      var close = chars[open];

      if (close) {
        var n = str.indexOf(close, index);
        if (n !== -1) {
          index = n + 1;
        }
      }

      if (str[index] === '!') {
        return true;
      }
    } else {
      index++;
    }
  }
  return false;
};

var isGlob$1 = function isGlob(str, options) {
  if (typeof str !== 'string' || str === '') {
    return false;
  }

  if (isExtglob(str)) {
    return true;
  }

  var check = strictCheck;

  // optionally relax check
  if (options && options.strict === false) {
    check = relaxedCheck;
  }

  return check(str);
};

var isGlob = isGlob$1;
var pathPosixDirname = path$q.posix.dirname;
var isWin32 = require$$0$5.platform() === 'win32';

var slash$1 = '/';
var backslash = /\\/g;
var enclosure = /[\{\[].*[\}\]]$/;
var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/;
var escaped = /\\([\!\*\?\|\[\]\(\)\{\}])/g;

/**
 * @param {string} str
 * @param {Object} opts
 * @param {boolean} [opts.flipBackslashes=true]
 * @returns {string}
 */
var globParent$1 = function globParent(str, opts) {
  var options = Object.assign({ flipBackslashes: true }, opts);

  // flip windows path separators
  if (options.flipBackslashes && isWin32 && str.indexOf(slash$1) < 0) {
    str = str.replace(backslash, slash$1);
  }

  // special case for strings ending in enclosure containing path separator
  if (enclosure.test(str)) {
    str += slash$1;
  }

  // preserves full path in case of trailing path separator
  str += 'a';

  // remove path parts that are globby
  do {
    str = pathPosixDirname(str);
  } while (isGlob(str) || globby.test(str));

  // remove escape chars and return result
  return str.replace(escaped, '$1');
};

var utils$r = {};

(function (exports) {

	exports.isInteger = num => {
	  if (typeof num === 'number') {
	    return Number.isInteger(num);
	  }
	  if (typeof num === 'string' && num.trim() !== '') {
	    return Number.isInteger(Number(num));
	  }
	  return false;
	};

	/**
	 * Find a node of the given type
	 */

	exports.find = (node, type) => node.nodes.find(node => node.type === type);

	/**
	 * Find a node of the given type
	 */

	exports.exceedsLimit = (min, max, step = 1, limit) => {
	  if (limit === false) return false;
	  if (!exports.isInteger(min) || !exports.isInteger(max)) return false;
	  return ((Number(max) - Number(min)) / Number(step)) >= limit;
	};

	/**
	 * Escape the given node with '\\' before node.value
	 */

	exports.escapeNode = (block, n = 0, type) => {
	  let node = block.nodes[n];
	  if (!node) return;

	  if ((type && node.type === type) || node.type === 'open' || node.type === 'close') {
	    if (node.escaped !== true) {
	      node.value = '\\' + node.value;
	      node.escaped = true;
	    }
	  }
	};

	/**
	 * Returns true if the given brace node should be enclosed in literal braces
	 */

	exports.encloseBrace = node => {
	  if (node.type !== 'brace') return false;
	  if ((node.commas >> 0 + node.ranges >> 0) === 0) {
	    node.invalid = true;
	    return true;
	  }
	  return false;
	};

	/**
	 * Returns true if a brace node is invalid.
	 */

	exports.isInvalidBrace = block => {
	  if (block.type !== 'brace') return false;
	  if (block.invalid === true || block.dollar) return true;
	  if ((block.commas >> 0 + block.ranges >> 0) === 0) {
	    block.invalid = true;
	    return true;
	  }
	  if (block.open !== true || block.close !== true) {
	    block.invalid = true;
	    return true;
	  }
	  return false;
	};

	/**
	 * Returns true if a node is an open or close node
	 */

	exports.isOpenOrClose = node => {
	  if (node.type === 'open' || node.type === 'close') {
	    return true;
	  }
	  return node.open === true || node.close === true;
	};

	/**
	 * Reduce an array of text nodes.
	 */

	exports.reduce = nodes => nodes.reduce((acc, node) => {
	  if (node.type === 'text') acc.push(node.value);
	  if (node.type === 'range') node.type = 'text';
	  return acc;
	}, []);

	/**
	 * Flatten an array
	 */

	exports.flatten = (...args) => {
	  const result = [];
	  const flat = arr => {
	    for (let i = 0; i < arr.length; i++) {
	      let ele = arr[i];
	      Array.isArray(ele) ? flat(ele) : ele !== void 0 && result.push(ele);
	    }
	    return result;
	  };
	  flat(args);
	  return result;
	}; 
} (utils$r));

const utils$q = utils$r;

var stringify$7 = (ast, options = {}) => {
  let stringify = (node, parent = {}) => {
    let invalidBlock = options.escapeInvalid && utils$q.isInvalidBrace(parent);
    let invalidNode = node.invalid === true && options.escapeInvalid === true;
    let output = '';

    if (node.value) {
      if ((invalidBlock || invalidNode) && utils$q.isOpenOrClose(node)) {
        return '\\' + node.value;
      }
      return node.value;
    }

    if (node.value) {
      return node.value;
    }

    if (node.nodes) {
      for (let child of node.nodes) {
        output += stringify(child);
      }
    }
    return output;
  };

  return stringify(ast);
};

/*!
 * is-number <https://github.com/jonschlinkert/is-number>
 *
 * Copyright (c) 2014-present, Jon Schlinkert.
 * Released under the MIT License.
 */

var isNumber$3 = function(num) {
  if (typeof num === 'number') {
    return num - num === 0;
  }
  if (typeof num === 'string' && num.trim() !== '') {
    return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
  }
  return false;
};

/*!
 * to-regex-range <https://github.com/micromatch/to-regex-range>
 *
 * Copyright (c) 2015-present, Jon Schlinkert.
 * Released under the MIT License.
 */

const isNumber$2 = isNumber$3;

const toRegexRange$1 = (min, max, options) => {
  if (isNumber$2(min) === false) {
    throw new TypeError('toRegexRange: expected the first argument to be a number');
  }

  if (max === void 0 || min === max) {
    return String(min);
  }

  if (isNumber$2(max) === false) {
    throw new TypeError('toRegexRange: expected the second argument to be a number.');
  }

  let opts = { relaxZeros: true, ...options };
  if (typeof opts.strictZeros === 'boolean') {
    opts.relaxZeros = opts.strictZeros === false;
  }

  let relax = String(opts.relaxZeros);
  let shorthand = String(opts.shorthand);
  let capture = String(opts.capture);
  let wrap = String(opts.wrap);
  let cacheKey = min + ':' + max + '=' + relax + shorthand + capture + wrap;

  if (toRegexRange$1.cache.hasOwnProperty(cacheKey)) {
    return toRegexRange$1.cache[cacheKey].result;
  }

  let a = Math.min(min, max);
  let b = Math.max(min, max);

  if (Math.abs(a - b) === 1) {
    let result = min + '|' + max;
    if (opts.capture) {
      return `(${result})`;
    }
    if (opts.wrap === false) {
      return result;
    }
    return `(?:${result})`;
  }

  let isPadded = hasPadding(min) || hasPadding(max);
  let state = { min, max, a, b };
  let positives = [];
  let negatives = [];

  if (isPadded) {
    state.isPadded = isPadded;
    state.maxLen = String(state.max).length;
  }

  if (a < 0) {
    let newMin = b < 0 ? Math.abs(b) : 1;
    negatives = splitToPatterns(newMin, Math.abs(a), state, opts);
    a = state.a = 0;
  }

  if (b >= 0) {
    positives = splitToPatterns(a, b, state, opts);
  }

  state.negatives = negatives;
  state.positives = positives;
  state.result = collatePatterns(negatives, positives);

  if (opts.capture === true) {
    state.result = `(${state.result})`;
  } else if (opts.wrap !== false && (positives.length + negatives.length) > 1) {
    state.result = `(?:${state.result})`;
  }

  toRegexRange$1.cache[cacheKey] = state;
  return state.result;
};

function collatePatterns(neg, pos, options) {
  let onlyNegative = filterPatterns(neg, pos, '-', false) || [];
  let onlyPositive = filterPatterns(pos, neg, '', false) || [];
  let intersected = filterPatterns(neg, pos, '-?', true) || [];
  let subpatterns = onlyNegative.concat(intersected).concat(onlyPositive);
  return subpatterns.join('|');
}

function splitToRanges(min, max) {
  let nines = 1;
  let zeros = 1;

  let stop = countNines(min, nines);
  let stops = new Set([max]);

  while (min <= stop && stop <= max) {
    stops.add(stop);
    nines += 1;
    stop = countNines(min, nines);
  }

  stop = countZeros(max + 1, zeros) - 1;

  while (min < stop && stop <= max) {
    stops.add(stop);
    zeros += 1;
    stop = countZeros(max + 1, zeros) - 1;
  }

  stops = [...stops];
  stops.sort(compare);
  return stops;
}

/**
 * Convert a range to a regex pattern
 * @param {Number} `start`
 * @param {Number} `stop`
 * @return {String}
 */

function rangeToPattern(start, stop, options) {
  if (start === stop) {
    return { pattern: start, count: [], digits: 0 };
  }

  let zipped = zip(start, stop);
  let digits = zipped.length;
  let pattern = '';
  let count = 0;

  for (let i = 0; i < digits; i++) {
    let [startDigit, stopDigit] = zipped[i];

    if (startDigit === stopDigit) {
      pattern += startDigit;

    } else if (startDigit !== '0' || stopDigit !== '9') {
      pattern += toCharacterClass(startDigit, stopDigit);

    } else {
      count++;
    }
  }

  if (count) {
    pattern += options.shorthand === true ? '\\d' : '[0-9]';
  }

  return { pattern, count: [count], digits };
}

function splitToPatterns(min, max, tok, options) {
  let ranges = splitToRanges(min, max);
  let tokens = [];
  let start = min;
  let prev;

  for (let i = 0; i < ranges.length; i++) {
    let max = ranges[i];
    let obj = rangeToPattern(String(start), String(max), options);
    let zeros = '';

    if (!tok.isPadded && prev && prev.pattern === obj.pattern) {
      if (prev.count.length > 1) {
        prev.count.pop();
      }

      prev.count.push(obj.count[0]);
      prev.string = prev.pattern + toQuantifier(prev.count);
      start = max + 1;
      continue;
    }

    if (tok.isPadded) {
      zeros = padZeros(max, tok, options);
    }

    obj.string = zeros + obj.pattern + toQuantifier(obj.count);
    tokens.push(obj);
    start = max + 1;
    prev = obj;
  }

  return tokens;
}

function filterPatterns(arr, comparison, prefix, intersection, options) {
  let result = [];

  for (let ele of arr) {
    let { string } = ele;

    // only push if _both_ are negative...
    if (!intersection && !contains(comparison, 'string', string)) {
      result.push(prefix + string);
    }

    // or _both_ are positive
    if (intersection && contains(comparison, 'string', string)) {
      result.push(prefix + string);
    }
  }
  return result;
}

/**
 * Zip strings
 */

function zip(a, b) {
  let arr = [];
  for (let i = 0; i < a.length; i++) arr.push([a[i], b[i]]);
  return arr;
}

function compare(a, b) {
  return a > b ? 1 : b > a ? -1 : 0;
}

function contains(arr, key, val) {
  return arr.some(ele => ele[key] === val);
}

function countNines(min, len) {
  return Number(String(min).slice(0, -len) + '9'.repeat(len));
}

function countZeros(integer, zeros) {
  return integer - (integer % Math.pow(10, zeros));
}

function toQuantifier(digits) {
  let [start = 0, stop = ''] = digits;
  if (stop || start > 1) {
    return `{${start + (stop ? ',' + stop : '')}}`;
  }
  return '';
}

function toCharacterClass(a, b, options) {
  return `[${a}${(b - a === 1) ? '' : '-'}${b}]`;
}

function hasPadding(str) {
  return /^-?(0+)\d/.test(str);
}

function padZeros(value, tok, options) {
  if (!tok.isPadded) {
    return value;
  }

  let diff = Math.abs(tok.maxLen - String(value).length);
  let relax = options.relaxZeros !== false;

  switch (diff) {
    case 0:
      return '';
    case 1:
      return relax ? '0?' : '0';
    case 2:
      return relax ? '0{0,2}' : '00';
    default: {
      return relax ? `0{0,${diff}}` : `0{${diff}}`;
    }
  }
}

/**
 * Cache
 */

toRegexRange$1.cache = {};
toRegexRange$1.clearCache = () => (toRegexRange$1.cache = {});

/**
 * Expose `toRegexRange`
 */

var toRegexRange_1 = toRegexRange$1;

/*!
 * fill-range <https://github.com/jonschlinkert/fill-range>
 *
 * Copyright (c) 2014-present, Jon Schlinkert.
 * Licensed under the MIT License.
 */

const util$1 = require$$0$3;
const toRegexRange = toRegexRange_1;

const isObject$5 = val => val !== null && typeof val === 'object' && !Array.isArray(val);

const transform = toNumber => {
  return value => toNumber === true ? Number(value) : String(value);
};

const isValidValue = value => {
  return typeof value === 'number' || (typeof value === 'string' && value !== '');
};

const isNumber$1 = num => Number.isInteger(+num);

const zeros = input => {
  let value = `${input}`;
  let index = -1;
  if (value[0] === '-') value = value.slice(1);
  if (value === '0') return false;
  while (value[++index] === '0');
  return index > 0;
};

const stringify$6 = (start, end, options) => {
  if (typeof start === 'string' || typeof end === 'string') {
    return true;
  }
  return options.stringify === true;
};

const pad = (input, maxLength, toNumber) => {
  if (maxLength > 0) {
    let dash = input[0] === '-' ? '-' : '';
    if (dash) input = input.slice(1);
    input = (dash + input.padStart(dash ? maxLength - 1 : maxLength, '0'));
  }
  if (toNumber === false) {
    return String(input);
  }
  return input;
};

const toMaxLen = (input, maxLength) => {
  let negative = input[0] === '-' ? '-' : '';
  if (negative) {
    input = input.slice(1);
    maxLength--;
  }
  while (input.length < maxLength) input = '0' + input;
  return negative ? ('-' + input) : input;
};

const toSequence = (parts, options) => {
  parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
  parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);

  let prefix = options.capture ? '' : '?:';
  let positives = '';
  let negatives = '';
  let result;

  if (parts.positives.length) {
    positives = parts.positives.join('|');
  }

  if (parts.negatives.length) {
    negatives = `-(${prefix}${parts.negatives.join('|')})`;
  }

  if (positives && negatives) {
    result = `${positives}|${negatives}`;
  } else {
    result = positives || negatives;
  }

  if (options.wrap) {
    return `(${prefix}${result})`;
  }

  return result;
};

const toRange = (a, b, isNumbers, options) => {
  if (isNumbers) {
    return toRegexRange(a, b, { wrap: false, ...options });
  }

  let start = String.fromCharCode(a);
  if (a === b) return start;

  let stop = String.fromCharCode(b);
  return `[${start}-${stop}]`;
};

const toRegex = (start, end, options) => {
  if (Array.isArray(start)) {
    let wrap = options.wrap === true;
    let prefix = options.capture ? '' : '?:';
    return wrap ? `(${prefix}${start.join('|')})` : start.join('|');
  }
  return toRegexRange(start, end, options);
};

const rangeError = (...args) => {
  return new RangeError('Invalid range arguments: ' + util$1.inspect(...args));
};

const invalidRange = (start, end, options) => {
  if (options.strictRanges === true) throw rangeError([start, end]);
  return [];
};

const invalidStep = (step, options) => {
  if (options.strictRanges === true) {
    throw new TypeError(`Expected step "${step}" to be a number`);
  }
  return [];
};

const fillNumbers = (start, end, step = 1, options = {}) => {
  let a = Number(start);
  let b = Number(end);

  if (!Number.isInteger(a) || !Number.isInteger(b)) {
    if (options.strictRanges === true) throw rangeError([start, end]);
    return [];
  }

  // fix negative zero
  if (a === 0) a = 0;
  if (b === 0) b = 0;

  let descending = a > b;
  let startString = String(start);
  let endString = String(end);
  let stepString = String(step);
  step = Math.max(Math.abs(step), 1);

  let padded = zeros(startString) || zeros(endString) || zeros(stepString);
  let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0;
  let toNumber = padded === false && stringify$6(start, end, options) === false;
  let format = options.transform || transform(toNumber);

  if (options.toRegex && step === 1) {
    return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options);
  }

  let parts = { negatives: [], positives: [] };
  let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num));
  let range = [];
  let index = 0;

  while (descending ? a >= b : a <= b) {
    if (options.toRegex === true && step > 1) {
      push(a);
    } else {
      range.push(pad(format(a, index), maxLen, toNumber));
    }
    a = descending ? a - step : a + step;
    index++;
  }

  if (options.toRegex === true) {
    return step > 1
      ? toSequence(parts, options)
      : toRegex(range, null, { wrap: false, ...options });
  }

  return range;
};

const fillLetters = (start, end, step = 1, options = {}) => {
  if ((!isNumber$1(start) && start.length > 1) || (!isNumber$1(end) && end.length > 1)) {
    return invalidRange(start, end, options);
  }


  let format = options.transform || (val => String.fromCharCode(val));
  let a = `${start}`.charCodeAt(0);
  let b = `${end}`.charCodeAt(0);

  let descending = a > b;
  let min = Math.min(a, b);
  let max = Math.max(a, b);

  if (options.toRegex && step === 1) {
    return toRange(min, max, false, options);
  }

  let range = [];
  let index = 0;

  while (descending ? a >= b : a <= b) {
    range.push(format(a, index));
    a = descending ? a - step : a + step;
    index++;
  }

  if (options.toRegex === true) {
    return toRegex(range, null, { wrap: false, options });
  }

  return range;
};

const fill$2 = (start, end, step, options = {}) => {
  if (end == null && isValidValue(start)) {
    return [start];
  }

  if (!isValidValue(start) || !isValidValue(end)) {
    return invalidRange(start, end, options);
  }

  if (typeof step === 'function') {
    return fill$2(start, end, 1, { transform: step });
  }

  if (isObject$5(step)) {
    return fill$2(start, end, 0, step);
  }

  let opts = { ...options };
  if (opts.capture === true) opts.wrap = true;
  step = step || opts.step || 1;

  if (!isNumber$1(step)) {
    if (step != null && !isObject$5(step)) return invalidStep(step, opts);
    return fill$2(start, end, 1, step);
  }

  if (isNumber$1(start) && isNumber$1(end)) {
    return fillNumbers(start, end, step, opts);
  }

  return fillLetters(start, end, Math.max(Math.abs(step), 1), opts);
};

var fillRange = fill$2;

const fill$1 = fillRange;
const utils$p = utils$r;

const compile$3 = (ast, options = {}) => {
  let walk = (node, parent = {}) => {
    let invalidBlock = utils$p.isInvalidBrace(parent);
    let invalidNode = node.invalid === true && options.escapeInvalid === true;
    let invalid = invalidBlock === true || invalidNode === true;
    let prefix = options.escapeInvalid === true ? '\\' : '';
    let output = '';

    if (node.isOpen === true) {
      return prefix + node.value;
    }
    if (node.isClose === true) {
      return prefix + node.value;
    }

    if (node.type === 'open') {
      return invalid ? (prefix + node.value) : '(';
    }

    if (node.type === 'close') {
      return invalid ? (prefix + node.value) : ')';
    }

    if (node.type === 'comma') {
      return node.prev.type === 'comma' ? '' : (invalid ? node.value : '|');
    }

    if (node.value) {
      return node.value;
    }

    if (node.nodes && node.ranges > 0) {
      let args = utils$p.reduce(node.nodes);
      let range = fill$1(...args, { ...options, wrap: false, toRegex: true });

      if (range.length !== 0) {
        return args.length > 1 && range.length > 1 ? `(${range})` : range;
      }
    }

    if (node.nodes) {
      for (let child of node.nodes) {
        output += walk(child, node);
      }
    }
    return output;
  };

  return walk(ast);
};

var compile_1 = compile$3;

const fill = fillRange;
const stringify$5 = stringify$7;
const utils$o = utils$r;

const append = (queue = '', stash = '', enclose = false) => {
  let result = [];

  queue = [].concat(queue);
  stash = [].concat(stash);

  if (!stash.length) return queue;
  if (!queue.length) {
    return enclose ? utils$o.flatten(stash).map(ele => `{${ele}}`) : stash;
  }

  for (let item of queue) {
    if (Array.isArray(item)) {
      for (let value of item) {
        result.push(append(value, stash, enclose));
      }
    } else {
      for (let ele of stash) {
        if (enclose === true && typeof ele === 'string') ele = `{${ele}}`;
        result.push(Array.isArray(ele) ? append(item, ele, enclose) : (item + ele));
      }
    }
  }
  return utils$o.flatten(result);
};

const expand$1 = (ast, options = {}) => {
  let rangeLimit = options.rangeLimit === void 0 ? 1000 : options.rangeLimit;

  let walk = (node, parent = {}) => {
    node.queue = [];

    let p = parent;
    let q = parent.queue;

    while (p.type !== 'brace' && p.type !== 'root' && p.parent) {
      p = p.parent;
      q = p.queue;
    }

    if (node.invalid || node.dollar) {
      q.push(append(q.pop(), stringify$5(node, options)));
      return;
    }

    if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) {
      q.push(append(q.pop(), ['{}']));
      return;
    }

    if (node.nodes && node.ranges > 0) {
      let args = utils$o.reduce(node.nodes);

      if (utils$o.exceedsLimit(...args, options.step, rangeLimit)) {
        throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
      }

      let range = fill(...args, options);
      if (range.length === 0) {
        range = stringify$5(node, options);
      }

      q.push(append(q.pop(), range));
      node.nodes = [];
      return;
    }

    let enclose = utils$o.encloseBrace(node);
    let queue = node.queue;
    let block = node;

    while (block.type !== 'brace' && block.type !== 'root' && block.parent) {
      block = block.parent;
      queue = block.queue;
    }

    for (let i = 0; i < node.nodes.length; i++) {
      let child = node.nodes[i];

      if (child.type === 'comma' && node.type === 'brace') {
        if (i === 1) queue.push('');
        queue.push('');
        continue;
      }

      if (child.type === 'close') {
        q.push(append(q.pop(), queue, enclose));
        continue;
      }

      if (child.value && child.type !== 'open') {
        queue.push(append(queue.pop(), child.value));
        continue;
      }

      if (child.nodes) {
        walk(child, node);
      }
    }

    return queue;
  };

  return utils$o.flatten(walk(ast));
};

var expand_1 = expand$1;

var constants$4 = {
  MAX_LENGTH: 1024 * 64,

  // Digits
  CHAR_0: '0', /* 0 */
  CHAR_9: '9', /* 9 */

  // Alphabet chars.
  CHAR_UPPERCASE_A: 'A', /* A */
  CHAR_LOWERCASE_A: 'a', /* a */
  CHAR_UPPERCASE_Z: 'Z', /* Z */
  CHAR_LOWERCASE_Z: 'z', /* z */

  CHAR_LEFT_PARENTHESES: '(', /* ( */
  CHAR_RIGHT_PARENTHESES: ')', /* ) */

  CHAR_ASTERISK: '*', /* * */

  // Non-alphabetic chars.
  CHAR_AMPERSAND: '&', /* & */
  CHAR_AT: '@', /* @ */
  CHAR_BACKSLASH: '\\', /* \ */
  CHAR_BACKTICK: '`', /* ` */
  CHAR_CARRIAGE_RETURN: '\r', /* \r */
  CHAR_CIRCUMFLEX_ACCENT: '^', /* ^ */
  CHAR_COLON: ':', /* : */
  CHAR_COMMA: ',', /* , */
  CHAR_DOLLAR: '$', /* . */
  CHAR_DOT: '.', /* . */
  CHAR_DOUBLE_QUOTE: '"', /* " */
  CHAR_EQUAL: '=', /* = */
  CHAR_EXCLAMATION_MARK: '!', /* ! */
  CHAR_FORM_FEED: '\f', /* \f */
  CHAR_FORWARD_SLASH: '/', /* / */
  CHAR_HASH: '#', /* # */
  CHAR_HYPHEN_MINUS: '-', /* - */
  CHAR_LEFT_ANGLE_BRACKET: '<', /* < */
  CHAR_LEFT_CURLY_BRACE: '{', /* { */
  CHAR_LEFT_SQUARE_BRACKET: '[', /* [ */
  CHAR_LINE_FEED: '\n', /* \n */
  CHAR_NO_BREAK_SPACE: '\u00A0', /* \u00A0 */
  CHAR_PERCENT: '%', /* % */
  CHAR_PLUS: '+', /* + */
  CHAR_QUESTION_MARK: '?', /* ? */
  CHAR_RIGHT_ANGLE_BRACKET: '>', /* > */
  CHAR_RIGHT_CURLY_BRACE: '}', /* } */
  CHAR_RIGHT_SQUARE_BRACKET: ']', /* ] */
  CHAR_SEMICOLON: ';', /* ; */
  CHAR_SINGLE_QUOTE: '\'', /* ' */
  CHAR_SPACE: ' ', /*   */
  CHAR_TAB: '\t', /* \t */
  CHAR_UNDERSCORE: '_', /* _ */
  CHAR_VERTICAL_LINE: '|', /* | */
  CHAR_ZERO_WIDTH_NOBREAK_SPACE: '\uFEFF' /* \uFEFF */
};

const stringify$4 = stringify$7;

/**
 * Constants
 */

const {
  MAX_LENGTH: MAX_LENGTH$1,
  CHAR_BACKSLASH, /* \ */
  CHAR_BACKTICK, /* ` */
  CHAR_COMMA: CHAR_COMMA$2, /* , */
  CHAR_DOT: CHAR_DOT$1, /* . */
  CHAR_LEFT_PARENTHESES: CHAR_LEFT_PARENTHESES$1, /* ( */
  CHAR_RIGHT_PARENTHESES: CHAR_RIGHT_PARENTHESES$1, /* ) */
  CHAR_LEFT_CURLY_BRACE: CHAR_LEFT_CURLY_BRACE$1, /* { */
  CHAR_RIGHT_CURLY_BRACE: CHAR_RIGHT_CURLY_BRACE$1, /* } */
  CHAR_LEFT_SQUARE_BRACKET: CHAR_LEFT_SQUARE_BRACKET$2, /* [ */
  CHAR_RIGHT_SQUARE_BRACKET: CHAR_RIGHT_SQUARE_BRACKET$2, /* ] */
  CHAR_DOUBLE_QUOTE: CHAR_DOUBLE_QUOTE$1, /* " */
  CHAR_SINGLE_QUOTE: CHAR_SINGLE_QUOTE$1, /* ' */
  CHAR_NO_BREAK_SPACE,
  CHAR_ZERO_WIDTH_NOBREAK_SPACE
} = constants$4;

/**
 * parse
 */

const parse$a = (input, options = {}) => {
  if (typeof input !== 'string') {
    throw new TypeError('Expected a string');
  }

  let opts = options || {};
  let max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH$1, opts.maxLength) : MAX_LENGTH$1;
  if (input.length > max) {
    throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`);
  }

  let ast = { type: 'root', input, nodes: [] };
  let stack = [ast];
  let block = ast;
  let prev = ast;
  let brackets = 0;
  let length = input.length;
  let index = 0;
  let depth = 0;
  let value;

  /**
   * Helpers
   */

  const advance = () => input[index++];
  const push = node => {
    if (node.type === 'text' && prev.type === 'dot') {
      prev.type = 'text';
    }

    if (prev && prev.type === 'text' && node.type === 'text') {
      prev.value += node.value;
      return;
    }

    block.nodes.push(node);
    node.parent = block;
    node.prev = prev;
    prev = node;
    return node;
  };

  push({ type: 'bos' });

  while (index < length) {
    block = stack[stack.length - 1];
    value = advance();

    /**
     * Invalid chars
     */

    if (value === CHAR_ZERO_WIDTH_NOBREAK_SPACE || value === CHAR_NO_BREAK_SPACE) {
      continue;
    }

    /**
     * Escaped chars
     */

    if (value === CHAR_BACKSLASH) {
      push({ type: 'text', value: (options.keepEscaping ? value : '') + advance() });
      continue;
    }

    /**
     * Right square bracket (literal): ']'
     */

    if (value === CHAR_RIGHT_SQUARE_BRACKET$2) {
      push({ type: 'text', value: '\\' + value });
      continue;
    }

    /**
     * Left square bracket: '['
     */

    if (value === CHAR_LEFT_SQUARE_BRACKET$2) {
      brackets++;
      let next;

      while (index < length && (next = advance())) {
        value += next;

        if (next === CHAR_LEFT_SQUARE_BRACKET$2) {
          brackets++;
          continue;
        }

        if (next === CHAR_BACKSLASH) {
          value += advance();
          continue;
        }

        if (next === CHAR_RIGHT_SQUARE_BRACKET$2) {
          brackets--;

          if (brackets === 0) {
            break;
          }
        }
      }

      push({ type: 'text', value });
      continue;
    }

    /**
     * Parentheses
     */

    if (value === CHAR_LEFT_PARENTHESES$1) {
      block = push({ type: 'paren', nodes: [] });
      stack.push(block);
      push({ type: 'text', value });
      continue;
    }

    if (value === CHAR_RIGHT_PARENTHESES$1) {
      if (block.type !== 'paren') {
        push({ type: 'text', value });
        continue;
      }
      block = stack.pop();
      push({ type: 'text', value });
      block = stack[stack.length - 1];
      continue;
    }

    /**
     * Quotes: '|"|`
     */

    if (value === CHAR_DOUBLE_QUOTE$1 || value === CHAR_SINGLE_QUOTE$1 || value === CHAR_BACKTICK) {
      let open = value;
      let next;

      if (options.keepQuotes !== true) {
        value = '';
      }

      while (index < length && (next = advance())) {
        if (next === CHAR_BACKSLASH) {
          value += next + advance();
          continue;
        }

        if (next === open) {
          if (options.keepQuotes === true) value += next;
          break;
        }

        value += next;
      }

      push({ type: 'text', value });
      continue;
    }

    /**
     * Left curly brace: '{'
     */

    if (value === CHAR_LEFT_CURLY_BRACE$1) {
      depth++;

      let dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
      let brace = {
        type: 'brace',
        open: true,
        close: false,
        dollar,
        depth,
        commas: 0,
        ranges: 0,
        nodes: []
      };

      block = push(brace);
      stack.push(block);
      push({ type: 'open', value });
      continue;
    }

    /**
     * Right curly brace: '}'
     */

    if (value === CHAR_RIGHT_CURLY_BRACE$1) {
      if (block.type !== 'brace') {
        push({ type: 'text', value });
        continue;
      }

      let type = 'close';
      block = stack.pop();
      block.close = true;

      push({ type, value });
      depth--;

      block = stack[stack.length - 1];
      continue;
    }

    /**
     * Comma: ','
     */

    if (value === CHAR_COMMA$2 && depth > 0) {
      if (block.ranges > 0) {
        block.ranges = 0;
        let open = block.nodes.shift();
        block.nodes = [open, { type: 'text', value: stringify$4(block) }];
      }

      push({ type: 'comma', value });
      block.commas++;
      continue;
    }

    /**
     * Dot: '.'
     */

    if (value === CHAR_DOT$1 && depth > 0 && block.commas === 0) {
      let siblings = block.nodes;

      if (depth === 0 || siblings.length === 0) {
        push({ type: 'text', value });
        continue;
      }

      if (prev.type === 'dot') {
        block.range = [];
        prev.value += value;
        prev.type = 'range';

        if (block.nodes.length !== 3 && block.nodes.length !== 5) {
          block.invalid = true;
          block.ranges = 0;
          prev.type = 'text';
          continue;
        }

        block.ranges++;
        block.args = [];
        continue;
      }

      if (prev.type === 'range') {
        siblings.pop();

        let before = siblings[siblings.length - 1];
        before.value += prev.value + value;
        prev = before;
        block.ranges--;
        continue;
      }

      push({ type: 'dot', value });
      continue;
    }

    /**
     * Text
     */

    push({ type: 'text', value });
  }

  // Mark imbalanced braces and brackets as invalid
  do {
    block = stack.pop();

    if (block.type !== 'root') {
      block.nodes.forEach(node => {
        if (!node.nodes) {
          if (node.type === 'open') node.isOpen = true;
          if (node.type === 'close') node.isClose = true;
          if (!node.nodes) node.type = 'text';
          node.invalid = true;
        }
      });

      // get the location of the block on parent.nodes (block's siblings)
      let parent = stack[stack.length - 1];
      let index = parent.nodes.indexOf(block);
      // replace the (invalid) block with it's nodes
      parent.nodes.splice(index, 1, ...block.nodes);
    }
  } while (stack.length > 0);

  push({ type: 'eos' });
  return ast;
};

var parse_1$2 = parse$a;

const stringify$3 = stringify$7;
const compile$2 = compile_1;
const expand = expand_1;
const parse$9 = parse_1$2;

/**
 * Expand the given pattern or create a regex-compatible string.
 *
 * ```js
 * const braces = require('braces');
 * console.log(braces('{a,b,c}', { compile: true })); //=> ['(a|b|c)']
 * console.log(braces('{a,b,c}')); //=> ['a', 'b', 'c']
 * ```
 * @param {String} `str`
 * @param {Object} `options`
 * @return {String}
 * @api public
 */

const braces$1 = (input, options = {}) => {
  let output = [];

  if (Array.isArray(input)) {
    for (let pattern of input) {
      let result = braces$1.create(pattern, options);
      if (Array.isArray(result)) {
        output.push(...result);
      } else {
        output.push(result);
      }
    }
  } else {
    output = [].concat(braces$1.create(input, options));
  }

  if (options && options.expand === true && options.nodupes === true) {
    output = [...new Set(output)];
  }
  return output;
};

/**
 * Parse the given `str` with the given `options`.
 *
 * ```js
 * // braces.parse(pattern, [, options]);
 * const ast = braces.parse('a/{b,c}/d');
 * console.log(ast);
 * ```
 * @param {String} pattern Brace pattern to parse
 * @param {Object} options
 * @return {Object} Returns an AST
 * @api public
 */

braces$1.parse = (input, options = {}) => parse$9(input, options);

/**
 * Creates a braces string from an AST, or an AST node.
 *
 * ```js
 * const braces = require('braces');
 * let ast = braces.parse('foo/{a,b}/bar');
 * console.log(stringify(ast.nodes[2])); //=> '{a,b}'
 * ```
 * @param {String} `input` Brace pattern or AST.
 * @param {Object} `options`
 * @return {Array} Returns an array of expanded values.
 * @api public
 */

braces$1.stringify = (input, options = {}) => {
  if (typeof input === 'string') {
    return stringify$3(braces$1.parse(input, options), options);
  }
  return stringify$3(input, options);
};

/**
 * Compiles a brace pattern into a regex-compatible, optimized string.
 * This method is called by the main [braces](#braces) function by default.
 *
 * ```js
 * const braces = require('braces');
 * console.log(braces.compile('a/{b,c}/d'));
 * //=> ['a/(b|c)/d']
 * ```
 * @param {String} `input` Brace pattern or AST.
 * @param {Object} `options`
 * @return {Array} Returns an array of expanded values.
 * @api public
 */

braces$1.compile = (input, options = {}) => {
  if (typeof input === 'string') {
    input = braces$1.parse(input, options);
  }
  return compile$2(input, options);
};

/**
 * Expands a brace pattern into an array. This method is called by the
 * main [braces](#braces) function when `options.expand` is true. Before
 * using this method it's recommended that you read the [performance notes](#performance))
 * and advantages of using [.compile](#compile) instead.
 *
 * ```js
 * const braces = require('braces');
 * console.log(braces.expand('a/{b,c}/d'));
 * //=> ['a/b/d', 'a/c/d'];
 * ```
 * @param {String} `pattern` Brace pattern
 * @param {Object} `options`
 * @return {Array} Returns an array of expanded values.
 * @api public
 */

braces$1.expand = (input, options = {}) => {
  if (typeof input === 'string') {
    input = braces$1.parse(input, options);
  }

  let result = expand(input, options);

  // filter out empty strings if specified
  if (options.noempty === true) {
    result = result.filter(Boolean);
  }

  // filter out duplicates if specified
  if (options.nodupes === true) {
    result = [...new Set(result)];
  }

  return result;
};

/**
 * Processes a brace pattern and returns either an expanded array
 * (if `options.expand` is true), a highly optimized regex-compatible string.
 * This method is called by the main [braces](#braces) function.
 *
 * ```js
 * const braces = require('braces');
 * console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}'))
 * //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)'
 * ```
 * @param {String} `pattern` Brace pattern
 * @param {Object} `options`
 * @return {Array} Returns an array of expanded values.
 * @api public
 */

braces$1.create = (input, options = {}) => {
  if (input === '' || input.length < 3) {
    return [input];
  }

 return options.expand !== true
    ? braces$1.compile(input, options)
    : braces$1.expand(input, options);
};

/**
 * Expose "braces"
 */

var braces_1 = braces$1;

var utils$n = {};

const path$a = path$q;
const WIN_SLASH = '\\\\/';
const WIN_NO_SLASH = `[^${WIN_SLASH}]`;

/**
 * Posix glob regex
 */

const DOT_LITERAL = '\\.';
const PLUS_LITERAL = '\\+';
const QMARK_LITERAL = '\\?';
const SLASH_LITERAL = '\\/';
const ONE_CHAR = '(?=.)';
const QMARK = '[^/]';
const END_ANCHOR = `(?:${SLASH_LITERAL}|$)`;
const START_ANCHOR = `(?:^|${SLASH_LITERAL})`;
const DOTS_SLASH = `${DOT_LITERAL}{1,2}${END_ANCHOR}`;
const NO_DOT = `(?!${DOT_LITERAL})`;
const NO_DOTS = `(?!${START_ANCHOR}${DOTS_SLASH})`;
const NO_DOT_SLASH = `(?!${DOT_LITERAL}{0,1}${END_ANCHOR})`;
const NO_DOTS_SLASH = `(?!${DOTS_SLASH})`;
const QMARK_NO_DOT = `[^.${SLASH_LITERAL}]`;
const STAR = `${QMARK}*?`;

const POSIX_CHARS = {
  DOT_LITERAL,
  PLUS_LITERAL,
  QMARK_LITERAL,
  SLASH_LITERAL,
  ONE_CHAR,
  QMARK,
  END_ANCHOR,
  DOTS_SLASH,
  NO_DOT,
  NO_DOTS,
  NO_DOT_SLASH,
  NO_DOTS_SLASH,
  QMARK_NO_DOT,
  STAR,
  START_ANCHOR
};

/**
 * Windows glob regex
 */

const WINDOWS_CHARS = {
  ...POSIX_CHARS,

  SLASH_LITERAL: `[${WIN_SLASH}]`,
  QMARK: WIN_NO_SLASH,
  STAR: `${WIN_NO_SLASH}*?`,
  DOTS_SLASH: `${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$)`,
  NO_DOT: `(?!${DOT_LITERAL})`,
  NO_DOTS: `(?!(?:^|[${WIN_SLASH}])${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
  NO_DOT_SLASH: `(?!${DOT_LITERAL}{0,1}(?:[${WIN_SLASH}]|$))`,
  NO_DOTS_SLASH: `(?!${DOT_LITERAL}{1,2}(?:[${WIN_SLASH}]|$))`,
  QMARK_NO_DOT: `[^.${WIN_SLASH}]`,
  START_ANCHOR: `(?:^|[${WIN_SLASH}])`,
  END_ANCHOR: `(?:[${WIN_SLASH}]|$)`
};

/**
 * POSIX Bracket Regex
 */

const POSIX_REGEX_SOURCE$1 = {
  alnum: 'a-zA-Z0-9',
  alpha: 'a-zA-Z',
  ascii: '\\x00-\\x7F',
  blank: ' \\t',
  cntrl: '\\x00-\\x1F\\x7F',
  digit: '0-9',
  graph: '\\x21-\\x7E',
  lower: 'a-z',
  print: '\\x20-\\x7E ',
  punct: '\\-!"#$%&\'()\\*+,./:;<=>?@[\\]^_`{|}~',
  space: ' \\t\\r\\n\\v\\f',
  upper: 'A-Z',
  word: 'A-Za-z0-9_',
  xdigit: 'A-Fa-f0-9'
};

var constants$3 = {
  MAX_LENGTH: 1024 * 64,
  POSIX_REGEX_SOURCE: POSIX_REGEX_SOURCE$1,

  // regular expressions
  REGEX_BACKSLASH: /\\(?![*+?^${}(|)[\]])/g,
  REGEX_NON_SPECIAL_CHARS: /^[^@![\].,$*+?^{}()|\\/]+/,
  REGEX_SPECIAL_CHARS: /[-*+?.^${}(|)[\]]/,
  REGEX_SPECIAL_CHARS_BACKREF: /(\\?)((\W)(\3*))/g,
  REGEX_SPECIAL_CHARS_GLOBAL: /([-*+?.^${}(|)[\]])/g,
  REGEX_REMOVE_BACKSLASH: /(?:\[.*?[^\\]\]|\\(?=.))/g,

  // Replace globs with equivalent patterns to reduce parsing time.
  REPLACEMENTS: {
    '***': '*',
    '**/**': '**',
    '**/**/**': '**'
  },

  // Digits
  CHAR_0: 48, /* 0 */
  CHAR_9: 57, /* 9 */

  // Alphabet chars.
  CHAR_UPPERCASE_A: 65, /* A */
  CHAR_LOWERCASE_A: 97, /* a */
  CHAR_UPPERCASE_Z: 90, /* Z */
  CHAR_LOWERCASE_Z: 122, /* z */

  CHAR_LEFT_PARENTHESES: 40, /* ( */
  CHAR_RIGHT_PARENTHESES: 41, /* ) */

  CHAR_ASTERISK: 42, /* * */

  // Non-alphabetic chars.
  CHAR_AMPERSAND: 38, /* & */
  CHAR_AT: 64, /* @ */
  CHAR_BACKWARD_SLASH: 92, /* \ */
  CHAR_CARRIAGE_RETURN: 13, /* \r */
  CHAR_CIRCUMFLEX_ACCENT: 94, /* ^ */
  CHAR_COLON: 58, /* : */
  CHAR_COMMA: 44, /* , */
  CHAR_DOT: 46, /* . */
  CHAR_DOUBLE_QUOTE: 34, /* " */
  CHAR_EQUAL: 61, /* = */
  CHAR_EXCLAMATION_MARK: 33, /* ! */
  CHAR_FORM_FEED: 12, /* \f */
  CHAR_FORWARD_SLASH: 47, /* / */
  CHAR_GRAVE_ACCENT: 96, /* ` */
  CHAR_HASH: 35, /* # */
  CHAR_HYPHEN_MINUS: 45, /* - */
  CHAR_LEFT_ANGLE_BRACKET: 60, /* < */
  CHAR_LEFT_CURLY_BRACE: 123, /* { */
  CHAR_LEFT_SQUARE_BRACKET: 91, /* [ */
  CHAR_LINE_FEED: 10, /* \n */
  CHAR_NO_BREAK_SPACE: 160, /* \u00A0 */
  CHAR_PERCENT: 37, /* % */
  CHAR_PLUS: 43, /* + */
  CHAR_QUESTION_MARK: 63, /* ? */
  CHAR_RIGHT_ANGLE_BRACKET: 62, /* > */
  CHAR_RIGHT_CURLY_BRACE: 125, /* } */
  CHAR_RIGHT_SQUARE_BRACKET: 93, /* ] */
  CHAR_SEMICOLON: 59, /* ; */
  CHAR_SINGLE_QUOTE: 39, /* ' */
  CHAR_SPACE: 32, /*   */
  CHAR_TAB: 9, /* \t */
  CHAR_UNDERSCORE: 95, /* _ */
  CHAR_VERTICAL_LINE: 124, /* | */
  CHAR_ZERO_WIDTH_NOBREAK_SPACE: 65279, /* \uFEFF */

  SEP: path$a.sep,

  /**
   * Create EXTGLOB_CHARS
   */

  extglobChars(chars) {
    return {
      '!': { type: 'negate', open: '(?:(?!(?:', close: `))${chars.STAR})` },
      '?': { type: 'qmark', open: '(?:', close: ')?' },
      '+': { type: 'plus', open: '(?:', close: ')+' },
      '*': { type: 'star', open: '(?:', close: ')*' },
      '@': { type: 'at', open: '(?:', close: ')' }
    };
  },

  /**
   * Create GLOB_CHARS
   */

  globChars(win32) {
    return win32 === true ? WINDOWS_CHARS : POSIX_CHARS;
  }
};

(function (exports) {

	const path = path$q;
	const win32 = process.platform === 'win32';
	const {
	  REGEX_BACKSLASH,
	  REGEX_REMOVE_BACKSLASH,
	  REGEX_SPECIAL_CHARS,
	  REGEX_SPECIAL_CHARS_GLOBAL
	} = constants$3;

	exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
	exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
	exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
	exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
	exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/');

	exports.removeBackslashes = str => {
	  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
	    return match === '\\' ? '' : match;
	  });
	};

	exports.supportsLookbehinds = () => {
	  const segs = process.version.slice(1).split('.').map(Number);
	  if (segs.length === 3 && segs[0] >= 9 || (segs[0] === 8 && segs[1] >= 10)) {
	    return true;
	  }
	  return false;
	};

	exports.isWindows = options => {
	  if (options && typeof options.windows === 'boolean') {
	    return options.windows;
	  }
	  return win32 === true || path.sep === '\\';
	};

	exports.escapeLast = (input, char, lastIdx) => {
	  const idx = input.lastIndexOf(char, lastIdx);
	  if (idx === -1) return input;
	  if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
	  return `${input.slice(0, idx)}\\${input.slice(idx)}`;
	};

	exports.removePrefix = (input, state = {}) => {
	  let output = input;
	  if (output.startsWith('./')) {
	    output = output.slice(2);
	    state.prefix = './';
	  }
	  return output;
	};

	exports.wrapOutput = (input, state = {}, options = {}) => {
	  const prepend = options.contains ? '' : '^';
	  const append = options.contains ? '' : '$';

	  let output = `${prepend}(?:${input})${append}`;
	  if (state.negated === true) {
	    output = `(?:^(?!${output}).*$)`;
	  }
	  return output;
	}; 
} (utils$n));

const utils$m = utils$n;
const {
  CHAR_ASTERISK: CHAR_ASTERISK$1,             /* * */
  CHAR_AT,                   /* @ */
  CHAR_BACKWARD_SLASH,       /* \ */
  CHAR_COMMA: CHAR_COMMA$1,                /* , */
  CHAR_DOT,                  /* . */
  CHAR_EXCLAMATION_MARK,     /* ! */
  CHAR_FORWARD_SLASH,        /* / */
  CHAR_LEFT_CURLY_BRACE,     /* { */
  CHAR_LEFT_PARENTHESES,     /* ( */
  CHAR_LEFT_SQUARE_BRACKET: CHAR_LEFT_SQUARE_BRACKET$1,  /* [ */
  CHAR_PLUS,                 /* + */
  CHAR_QUESTION_MARK,        /* ? */
  CHAR_RIGHT_CURLY_BRACE,    /* } */
  CHAR_RIGHT_PARENTHESES,    /* ) */
  CHAR_RIGHT_SQUARE_BRACKET: CHAR_RIGHT_SQUARE_BRACKET$1  /* ] */
} = constants$3;

const isPathSeparator = code => {
  return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
};

const depth = token => {
  if (token.isPrefix !== true) {
    token.depth = token.isGlobstar ? Infinity : 1;
  }
};

/**
 * Quickly scans a glob pattern and returns an object with a handful of
 * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists),
 * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not
 * with `!(`) and `negatedExtglob` (true if the path starts with `!(`).
 *
 * ```js
 * const pm = require('picomatch');
 * console.log(pm.scan('foo/bar/*.js'));
 * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' }
 * ```
 * @param {String} `str`
 * @param {Object} `options`
 * @return {Object} Returns an object with tokens and regex source string.
 * @api public
 */

const scan$1 = (input, options) => {
  const opts = options || {};

  const length = input.length - 1;
  const scanToEnd = opts.parts === true || opts.scanToEnd === true;
  const slashes = [];
  const tokens = [];
  const parts = [];

  let str = input;
  let index = -1;
  let start = 0;
  let lastIndex = 0;
  let isBrace = false;
  let isBracket = false;
  let isGlob = false;
  let isExtglob = false;
  let isGlobstar = false;
  let braceEscaped = false;
  let backslashes = false;
  let negated = false;
  let negatedExtglob = false;
  let finished = false;
  let braces = 0;
  let prev;
  let code;
  let token = { value: '', depth: 0, isGlob: false };

  const eos = () => index >= length;
  const peek = () => str.charCodeAt(index + 1);
  const advance = () => {
    prev = code;
    return str.charCodeAt(++index);
  };

  while (index < length) {
    code = advance();
    let next;

    if (code === CHAR_BACKWARD_SLASH) {
      backslashes = token.backslashes = true;
      code = advance();

      if (code === CHAR_LEFT_CURLY_BRACE) {
        braceEscaped = true;
      }
      continue;
    }

    if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) {
      braces++;

      while (eos() !== true && (code = advance())) {
        if (code === CHAR_BACKWARD_SLASH) {
          backslashes = token.backslashes = true;
          advance();
          continue;
        }

        if (code === CHAR_LEFT_CURLY_BRACE) {
          braces++;
          continue;
        }

        if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) {
          isBrace = token.isBrace = true;
          isGlob = token.isGlob = true;
          finished = true;

          if (scanToEnd === true) {
            continue;
          }

          break;
        }

        if (braceEscaped !== true && code === CHAR_COMMA$1) {
          isBrace = token.isBrace = true;
          isGlob = token.isGlob = true;
          finished = true;

          if (scanToEnd === true) {
            continue;
          }

          break;
        }

        if (code === CHAR_RIGHT_CURLY_BRACE) {
          braces--;

          if (braces === 0) {
            braceEscaped = false;
            isBrace = token.isBrace = true;
            finished = true;
            break;
          }
        }
      }

      if (scanToEnd === true) {
        continue;
      }

      break;
    }

    if (code === CHAR_FORWARD_SLASH) {
      slashes.push(index);
      tokens.push(token);
      token = { value: '', depth: 0, isGlob: false };

      if (finished === true) continue;
      if (prev === CHAR_DOT && index === (start + 1)) {
        start += 2;
        continue;
      }

      lastIndex = index + 1;
      continue;
    }

    if (opts.noext !== true) {
      const isExtglobChar = code === CHAR_PLUS
        || code === CHAR_AT
        || code === CHAR_ASTERISK$1
        || code === CHAR_QUESTION_MARK
        || code === CHAR_EXCLAMATION_MARK;

      if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) {
        isGlob = token.isGlob = true;
        isExtglob = token.isExtglob = true;
        finished = true;
        if (code === CHAR_EXCLAMATION_MARK && index === start) {
          negatedExtglob = true;
        }

        if (scanToEnd === true) {
          while (eos() !== true && (code = advance())) {
            if (code === CHAR_BACKWARD_SLASH) {
              backslashes = token.backslashes = true;
              code = advance();
              continue;
            }

            if (code === CHAR_RIGHT_PARENTHESES) {
              isGlob = token.isGlob = true;
              finished = true;
              break;
            }
          }
          continue;
        }
        break;
      }
    }

    if (code === CHAR_ASTERISK$1) {
      if (prev === CHAR_ASTERISK$1) isGlobstar = token.isGlobstar = true;
      isGlob = token.isGlob = true;
      finished = true;

      if (scanToEnd === true) {
        continue;
      }
      break;
    }

    if (code === CHAR_QUESTION_MARK) {
      isGlob = token.isGlob = true;
      finished = true;

      if (scanToEnd === true) {
        continue;
      }
      break;
    }

    if (code === CHAR_LEFT_SQUARE_BRACKET$1) {
      while (eos() !== true && (next = advance())) {
        if (next === CHAR_BACKWARD_SLASH) {
          backslashes = token.backslashes = true;
          advance();
          continue;
        }

        if (next === CHAR_RIGHT_SQUARE_BRACKET$1) {
          isBracket = token.isBracket = true;
          isGlob = token.isGlob = true;
          finished = true;
          break;
        }
      }

      if (scanToEnd === true) {
        continue;
      }

      break;
    }

    if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) {
      negated = token.negated = true;
      start++;
      continue;
    }

    if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) {
      isGlob = token.isGlob = true;

      if (scanToEnd === true) {
        while (eos() !== true && (code = advance())) {
          if (code === CHAR_LEFT_PARENTHESES) {
            backslashes = token.backslashes = true;
            code = advance();
            continue;
          }

          if (code === CHAR_RIGHT_PARENTHESES) {
            finished = true;
            break;
          }
        }
        continue;
      }
      break;
    }

    if (isGlob === true) {
      finished = true;

      if (scanToEnd === true) {
        continue;
      }

      break;
    }
  }

  if (opts.noext === true) {
    isExtglob = false;
    isGlob = false;
  }

  let base = str;
  let prefix = '';
  let glob = '';

  if (start > 0) {
    prefix = str.slice(0, start);
    str = str.slice(start);
    lastIndex -= start;
  }

  if (base && isGlob === true && lastIndex > 0) {
    base = str.slice(0, lastIndex);
    glob = str.slice(lastIndex);
  } else if (isGlob === true) {
    base = '';
    glob = str;
  } else {
    base = str;
  }

  if (base && base !== '' && base !== '/' && base !== str) {
    if (isPathSeparator(base.charCodeAt(base.length - 1))) {
      base = base.slice(0, -1);
    }
  }

  if (opts.unescape === true) {
    if (glob) glob = utils$m.removeBackslashes(glob);

    if (base && backslashes === true) {
      base = utils$m.removeBackslashes(base);
    }
  }

  const state = {
    prefix,
    input,
    start,
    base,
    glob,
    isBrace,
    isBracket,
    isGlob,
    isExtglob,
    isGlobstar,
    negated,
    negatedExtglob
  };

  if (opts.tokens === true) {
    state.maxDepth = 0;
    if (!isPathSeparator(code)) {
      tokens.push(token);
    }
    state.tokens = tokens;
  }

  if (opts.parts === true || opts.tokens === true) {
    let prevIndex;

    for (let idx = 0; idx < slashes.length; idx++) {
      const n = prevIndex ? prevIndex + 1 : start;
      const i = slashes[idx];
      const value = input.slice(n, i);
      if (opts.tokens) {
        if (idx === 0 && start !== 0) {
          tokens[idx].isPrefix = true;
          tokens[idx].value = prefix;
        } else {
          tokens[idx].value = value;
        }
        depth(tokens[idx]);
        state.maxDepth += tokens[idx].depth;
      }
      if (idx !== 0 || value !== '') {
        parts.push(value);
      }
      prevIndex = i;
    }

    if (prevIndex && prevIndex + 1 < input.length) {
      const value = input.slice(prevIndex + 1);
      parts.push(value);

      if (opts.tokens) {
        tokens[tokens.length - 1].value = value;
        depth(tokens[tokens.length - 1]);
        state.maxDepth += tokens[tokens.length - 1].depth;
      }
    }

    state.slashes = slashes;
    state.parts = parts;
  }

  return state;
};

var scan_1 = scan$1;

const constants$2 = constants$3;
const utils$l = utils$n;

/**
 * Constants
 */

const {
  MAX_LENGTH,
  POSIX_REGEX_SOURCE,
  REGEX_NON_SPECIAL_CHARS,
  REGEX_SPECIAL_CHARS_BACKREF,
  REPLACEMENTS
} = constants$2;

/**
 * Helpers
 */

const expandRange = (args, options) => {
  if (typeof options.expandRange === 'function') {
    return options.expandRange(...args, options);
  }

  args.sort();
  const value = `[${args.join('-')}]`;

  try {
    /* eslint-disable-next-line no-new */
    new RegExp(value);
  } catch (ex) {
    return args.map(v => utils$l.escapeRegex(v)).join('..');
  }

  return value;
};

/**
 * Create the message for a syntax error
 */

const syntaxError = (type, char) => {
  return `Missing ${type}: "${char}" - use "\\\\${char}" to match literal characters`;
};

/**
 * Parse the given input string.
 * @param {String} input
 * @param {Object} options
 * @return {Object}
 */

const parse$8 = (input, options) => {
  if (typeof input !== 'string') {
    throw new TypeError('Expected a string');
  }

  input = REPLACEMENTS[input] || input;

  const opts = { ...options };
  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;

  let len = input.length;
  if (len > max) {
    throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
  }

  const bos = { type: 'bos', value: '', output: opts.prepend || '' };
  const tokens = [bos];

  const capture = opts.capture ? '' : '?:';
  const win32 = utils$l.isWindows(options);

  // create constants based on platform, for windows or posix
  const PLATFORM_CHARS = constants$2.globChars(win32);
  const EXTGLOB_CHARS = constants$2.extglobChars(PLATFORM_CHARS);

  const {
    DOT_LITERAL,
    PLUS_LITERAL,
    SLASH_LITERAL,
    ONE_CHAR,
    DOTS_SLASH,
    NO_DOT,
    NO_DOT_SLASH,
    NO_DOTS_SLASH,
    QMARK,
    QMARK_NO_DOT,
    STAR,
    START_ANCHOR
  } = PLATFORM_CHARS;

  const globstar = opts => {
    return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
  };

  const nodot = opts.dot ? '' : NO_DOT;
  const qmarkNoDot = opts.dot ? QMARK : QMARK_NO_DOT;
  let star = opts.bash === true ? globstar(opts) : STAR;

  if (opts.capture) {
    star = `(${star})`;
  }

  // minimatch options support
  if (typeof opts.noext === 'boolean') {
    opts.noextglob = opts.noext;
  }

  const state = {
    input,
    index: -1,
    start: 0,
    dot: opts.dot === true,
    consumed: '',
    output: '',
    prefix: '',
    backtrack: false,
    negated: false,
    brackets: 0,
    braces: 0,
    parens: 0,
    quotes: 0,
    globstar: false,
    tokens
  };

  input = utils$l.removePrefix(input, state);
  len = input.length;

  const extglobs = [];
  const braces = [];
  const stack = [];
  let prev = bos;
  let value;

  /**
   * Tokenizing helpers
   */

  const eos = () => state.index === len - 1;
  const peek = state.peek = (n = 1) => input[state.index + n];
  const advance = state.advance = () => input[++state.index] || '';
  const remaining = () => input.slice(state.index + 1);
  const consume = (value = '', num = 0) => {
    state.consumed += value;
    state.index += num;
  };

  const append = token => {
    state.output += token.output != null ? token.output : token.value;
    consume(token.value);
  };

  const negate = () => {
    let count = 1;

    while (peek() === '!' && (peek(2) !== '(' || peek(3) === '?')) {
      advance();
      state.start++;
      count++;
    }

    if (count % 2 === 0) {
      return false;
    }

    state.negated = true;
    state.start++;
    return true;
  };

  const increment = type => {
    state[type]++;
    stack.push(type);
  };

  const decrement = type => {
    state[type]--;
    stack.pop();
  };

  /**
   * Push tokens onto the tokens array. This helper speeds up
   * tokenizing by 1) helping us avoid backtracking as much as possible,
   * and 2) helping us avoid creating extra tokens when consecutive
   * characters are plain text. This improves performance and simplifies
   * lookbehinds.
   */

  const push = tok => {
    if (prev.type === 'globstar') {
      const isBrace = state.braces > 0 && (tok.type === 'comma' || tok.type === 'brace');
      const isExtglob = tok.extglob === true || (extglobs.length && (tok.type === 'pipe' || tok.type === 'paren'));

      if (tok.type !== 'slash' && tok.type !== 'paren' && !isBrace && !isExtglob) {
        state.output = state.output.slice(0, -prev.output.length);
        prev.type = 'star';
        prev.value = '*';
        prev.output = star;
        state.output += prev.output;
      }
    }

    if (extglobs.length && tok.type !== 'paren') {
      extglobs[extglobs.length - 1].inner += tok.value;
    }

    if (tok.value || tok.output) append(tok);
    if (prev && prev.type === 'text' && tok.type === 'text') {
      prev.value += tok.value;
      prev.output = (prev.output || '') + tok.value;
      return;
    }

    tok.prev = prev;
    tokens.push(tok);
    prev = tok;
  };

  const extglobOpen = (type, value) => {
    const token = { ...EXTGLOB_CHARS[value], conditions: 1, inner: '' };

    token.prev = prev;
    token.parens = state.parens;
    token.output = state.output;
    const output = (opts.capture ? '(' : '') + token.open;

    increment('parens');
    push({ type, value, output: state.output ? '' : ONE_CHAR });
    push({ type: 'paren', extglob: true, value: advance(), output });
    extglobs.push(token);
  };

  const extglobClose = token => {
    let output = token.close + (opts.capture ? ')' : '');
    let rest;

    if (token.type === 'negate') {
      let extglobStar = star;

      if (token.inner && token.inner.length > 1 && token.inner.includes('/')) {
        extglobStar = globstar(opts);
      }

      if (extglobStar !== star || eos() || /^\)+$/.test(remaining())) {
        output = token.close = `)$))${extglobStar}`;
      }

      if (token.inner.includes('*') && (rest = remaining()) && /^\.[^\\/.]+$/.test(rest)) {
        // Any non-magical string (`.ts`) or even nested expression (`.{ts,tsx}`) can follow after the closing parenthesis.
        // In this case, we need to parse the string and use it in the output of the original pattern.
        // Suitable patterns: `/!(*.d).ts`, `/!(*.d).{ts,tsx}`, `**/!(*-dbg).@(js)`.
        //
        // Disabling the `fastpaths` option due to a problem with parsing strings as `.ts` in the pattern like `**/!(*.d).ts`.
        const expression = parse$8(rest, { ...options, fastpaths: false }).output;

        output = token.close = `)${expression})${extglobStar})`;
      }

      if (token.prev.type === 'bos') {
        state.negatedExtglob = true;
      }
    }

    push({ type: 'paren', extglob: true, value, output });
    decrement('parens');
  };

  /**
   * Fast paths
   */

  if (opts.fastpaths !== false && !/(^[*!]|[/()[\]{}"])/.test(input)) {
    let backslashes = false;

    let output = input.replace(REGEX_SPECIAL_CHARS_BACKREF, (m, esc, chars, first, rest, index) => {
      if (first === '\\') {
        backslashes = true;
        return m;
      }

      if (first === '?') {
        if (esc) {
          return esc + first + (rest ? QMARK.repeat(rest.length) : '');
        }
        if (index === 0) {
          return qmarkNoDot + (rest ? QMARK.repeat(rest.length) : '');
        }
        return QMARK.repeat(chars.length);
      }

      if (first === '.') {
        return DOT_LITERAL.repeat(chars.length);
      }

      if (first === '*') {
        if (esc) {
          return esc + first + (rest ? star : '');
        }
        return star;
      }
      return esc ? m : `\\${m}`;
    });

    if (backslashes === true) {
      if (opts.unescape === true) {
        output = output.replace(/\\/g, '');
      } else {
        output = output.replace(/\\+/g, m => {
          return m.length % 2 === 0 ? '\\\\' : (m ? '\\' : '');
        });
      }
    }

    if (output === input && opts.contains === true) {
      state.output = input;
      return state;
    }

    state.output = utils$l.wrapOutput(output, state, options);
    return state;
  }

  /**
   * Tokenize input until we reach end-of-string
   */

  while (!eos()) {
    value = advance();

    if (value === '\u0000') {
      continue;
    }

    /**
     * Escaped characters
     */

    if (value === '\\') {
      const next = peek();

      if (next === '/' && opts.bash !== true) {
        continue;
      }

      if (next === '.' || next === ';') {
        continue;
      }

      if (!next) {
        value += '\\';
        push({ type: 'text', value });
        continue;
      }

      // collapse slashes to reduce potential for exploits
      const match = /^\\+/.exec(remaining());
      let slashes = 0;

      if (match && match[0].length > 2) {
        slashes = match[0].length;
        state.index += slashes;
        if (slashes % 2 !== 0) {
          value += '\\';
        }
      }

      if (opts.unescape === true) {
        value = advance();
      } else {
        value += advance();
      }

      if (state.brackets === 0) {
        push({ type: 'text', value });
        continue;
      }
    }

    /**
     * If we're inside a regex character class, continue
     * until we reach the closing bracket.
     */

    if (state.brackets > 0 && (value !== ']' || prev.value === '[' || prev.value === '[^')) {
      if (opts.posix !== false && value === ':') {
        const inner = prev.value.slice(1);
        if (inner.includes('[')) {
          prev.posix = true;

          if (inner.includes(':')) {
            const idx = prev.value.lastIndexOf('[');
            const pre = prev.value.slice(0, idx);
            const rest = prev.value.slice(idx + 2);
            const posix = POSIX_REGEX_SOURCE[rest];
            if (posix) {
              prev.value = pre + posix;
              state.backtrack = true;
              advance();

              if (!bos.output && tokens.indexOf(prev) === 1) {
                bos.output = ONE_CHAR;
              }
              continue;
            }
          }
        }
      }

      if ((value === '[' && peek() !== ':') || (value === '-' && peek() === ']')) {
        value = `\\${value}`;
      }

      if (value === ']' && (prev.value === '[' || prev.value === '[^')) {
        value = `\\${value}`;
      }

      if (opts.posix === true && value === '!' && prev.value === '[') {
        value = '^';
      }

      prev.value += value;
      append({ value });
      continue;
    }

    /**
     * If we're inside a quoted string, continue
     * until we reach the closing double quote.
     */

    if (state.quotes === 1 && value !== '"') {
      value = utils$l.escapeRegex(value);
      prev.value += value;
      append({ value });
      continue;
    }

    /**
     * Double quotes
     */

    if (value === '"') {
      state.quotes = state.quotes === 1 ? 0 : 1;
      if (opts.keepQuotes === true) {
        push({ type: 'text', value });
      }
      continue;
    }

    /**
     * Parentheses
     */

    if (value === '(') {
      increment('parens');
      push({ type: 'paren', value });
      continue;
    }

    if (value === ')') {
      if (state.parens === 0 && opts.strictBrackets === true) {
        throw new SyntaxError(syntaxError('opening', '('));
      }

      const extglob = extglobs[extglobs.length - 1];
      if (extglob && state.parens === extglob.parens + 1) {
        extglobClose(extglobs.pop());
        continue;
      }

      push({ type: 'paren', value, output: state.parens ? ')' : '\\)' });
      decrement('parens');
      continue;
    }

    /**
     * Square brackets
     */

    if (value === '[') {
      if (opts.nobracket === true || !remaining().includes(']')) {
        if (opts.nobracket !== true && opts.strictBrackets === true) {
          throw new SyntaxError(syntaxError('closing', ']'));
        }

        value = `\\${value}`;
      } else {
        increment('brackets');
      }

      push({ type: 'bracket', value });
      continue;
    }

    if (value === ']') {
      if (opts.nobracket === true || (prev && prev.type === 'bracket' && prev.value.length === 1)) {
        push({ type: 'text', value, output: `\\${value}` });
        continue;
      }

      if (state.brackets === 0) {
        if (opts.strictBrackets === true) {
          throw new SyntaxError(syntaxError('opening', '['));
        }

        push({ type: 'text', value, output: `\\${value}` });
        continue;
      }

      decrement('brackets');

      const prevValue = prev.value.slice(1);
      if (prev.posix !== true && prevValue[0] === '^' && !prevValue.includes('/')) {
        value = `/${value}`;
      }

      prev.value += value;
      append({ value });

      // when literal brackets are explicitly disabled
      // assume we should match with a regex character class
      if (opts.literalBrackets === false || utils$l.hasRegexChars(prevValue)) {
        continue;
      }

      const escaped = utils$l.escapeRegex(prev.value);
      state.output = state.output.slice(0, -prev.value.length);

      // when literal brackets are explicitly enabled
      // assume we should escape the brackets to match literal characters
      if (opts.literalBrackets === true) {
        state.output += escaped;
        prev.value = escaped;
        continue;
      }

      // when the user specifies nothing, try to match both
      prev.value = `(${capture}${escaped}|${prev.value})`;
      state.output += prev.value;
      continue;
    }

    /**
     * Braces
     */

    if (value === '{' && opts.nobrace !== true) {
      increment('braces');

      const open = {
        type: 'brace',
        value,
        output: '(',
        outputIndex: state.output.length,
        tokensIndex: state.tokens.length
      };

      braces.push(open);
      push(open);
      continue;
    }

    if (value === '}') {
      const brace = braces[braces.length - 1];

      if (opts.nobrace === true || !brace) {
        push({ type: 'text', value, output: value });
        continue;
      }

      let output = ')';

      if (brace.dots === true) {
        const arr = tokens.slice();
        const range = [];

        for (let i = arr.length - 1; i >= 0; i--) {
          tokens.pop();
          if (arr[i].type === 'brace') {
            break;
          }
          if (arr[i].type !== 'dots') {
            range.unshift(arr[i].value);
          }
        }

        output = expandRange(range, opts);
        state.backtrack = true;
      }

      if (brace.comma !== true && brace.dots !== true) {
        const out = state.output.slice(0, brace.outputIndex);
        const toks = state.tokens.slice(brace.tokensIndex);
        brace.value = brace.output = '\\{';
        value = output = '\\}';
        state.output = out;
        for (const t of toks) {
          state.output += (t.output || t.value);
        }
      }

      push({ type: 'brace', value, output });
      decrement('braces');
      braces.pop();
      continue;
    }

    /**
     * Pipes
     */

    if (value === '|') {
      if (extglobs.length > 0) {
        extglobs[extglobs.length - 1].conditions++;
      }
      push({ type: 'text', value });
      continue;
    }

    /**
     * Commas
     */

    if (value === ',') {
      let output = value;

      const brace = braces[braces.length - 1];
      if (brace && stack[stack.length - 1] === 'braces') {
        brace.comma = true;
        output = '|';
      }

      push({ type: 'comma', value, output });
      continue;
    }

    /**
     * Slashes
     */

    if (value === '/') {
      // if the beginning of the glob is "./", advance the start
      // to the current index, and don't add the "./" characters
      // to the state. This greatly simplifies lookbehinds when
      // checking for BOS characters like "!" and "." (not "./")
      if (prev.type === 'dot' && state.index === state.start + 1) {
        state.start = state.index + 1;
        state.consumed = '';
        state.output = '';
        tokens.pop();
        prev = bos; // reset "prev" to the first token
        continue;
      }

      push({ type: 'slash', value, output: SLASH_LITERAL });
      continue;
    }

    /**
     * Dots
     */

    if (value === '.') {
      if (state.braces > 0 && prev.type === 'dot') {
        if (prev.value === '.') prev.output = DOT_LITERAL;
        const brace = braces[braces.length - 1];
        prev.type = 'dots';
        prev.output += value;
        prev.value += value;
        brace.dots = true;
        continue;
      }

      if ((state.braces + state.parens) === 0 && prev.type !== 'bos' && prev.type !== 'slash') {
        push({ type: 'text', value, output: DOT_LITERAL });
        continue;
      }

      push({ type: 'dot', value, output: DOT_LITERAL });
      continue;
    }

    /**
     * Question marks
     */

    if (value === '?') {
      const isGroup = prev && prev.value === '(';
      if (!isGroup && opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
        extglobOpen('qmark', value);
        continue;
      }

      if (prev && prev.type === 'paren') {
        const next = peek();
        let output = value;

        if (next === '<' && !utils$l.supportsLookbehinds()) {
          throw new Error('Node.js v10 or higher is required for regex lookbehinds');
        }

        if ((prev.value === '(' && !/[!=<:]/.test(next)) || (next === '<' && !/<([!=]|\w+>)/.test(remaining()))) {
          output = `\\${value}`;
        }

        push({ type: 'text', value, output });
        continue;
      }

      if (opts.dot !== true && (prev.type === 'slash' || prev.type === 'bos')) {
        push({ type: 'qmark', value, output: QMARK_NO_DOT });
        continue;
      }

      push({ type: 'qmark', value, output: QMARK });
      continue;
    }

    /**
     * Exclamation
     */

    if (value === '!') {
      if (opts.noextglob !== true && peek() === '(') {
        if (peek(2) !== '?' || !/[!=<:]/.test(peek(3))) {
          extglobOpen('negate', value);
          continue;
        }
      }

      if (opts.nonegate !== true && state.index === 0) {
        negate();
        continue;
      }
    }

    /**
     * Plus
     */

    if (value === '+') {
      if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
        extglobOpen('plus', value);
        continue;
      }

      if ((prev && prev.value === '(') || opts.regex === false) {
        push({ type: 'plus', value, output: PLUS_LITERAL });
        continue;
      }

      if ((prev && (prev.type === 'bracket' || prev.type === 'paren' || prev.type === 'brace')) || state.parens > 0) {
        push({ type: 'plus', value });
        continue;
      }

      push({ type: 'plus', value: PLUS_LITERAL });
      continue;
    }

    /**
     * Plain text
     */

    if (value === '@') {
      if (opts.noextglob !== true && peek() === '(' && peek(2) !== '?') {
        push({ type: 'at', extglob: true, value, output: '' });
        continue;
      }

      push({ type: 'text', value });
      continue;
    }

    /**
     * Plain text
     */

    if (value !== '*') {
      if (value === '$' || value === '^') {
        value = `\\${value}`;
      }

      const match = REGEX_NON_SPECIAL_CHARS.exec(remaining());
      if (match) {
        value += match[0];
        state.index += match[0].length;
      }

      push({ type: 'text', value });
      continue;
    }

    /**
     * Stars
     */

    if (prev && (prev.type === 'globstar' || prev.star === true)) {
      prev.type = 'star';
      prev.star = true;
      prev.value += value;
      prev.output = star;
      state.backtrack = true;
      state.globstar = true;
      consume(value);
      continue;
    }

    let rest = remaining();
    if (opts.noextglob !== true && /^\([^?]/.test(rest)) {
      extglobOpen('star', value);
      continue;
    }

    if (prev.type === 'star') {
      if (opts.noglobstar === true) {
        consume(value);
        continue;
      }

      const prior = prev.prev;
      const before = prior.prev;
      const isStart = prior.type === 'slash' || prior.type === 'bos';
      const afterStar = before && (before.type === 'star' || before.type === 'globstar');

      if (opts.bash === true && (!isStart || (rest[0] && rest[0] !== '/'))) {
        push({ type: 'star', value, output: '' });
        continue;
      }

      const isBrace = state.braces > 0 && (prior.type === 'comma' || prior.type === 'brace');
      const isExtglob = extglobs.length && (prior.type === 'pipe' || prior.type === 'paren');
      if (!isStart && prior.type !== 'paren' && !isBrace && !isExtglob) {
        push({ type: 'star', value, output: '' });
        continue;
      }

      // strip consecutive `/**/`
      while (rest.slice(0, 3) === '/**') {
        const after = input[state.index + 4];
        if (after && after !== '/') {
          break;
        }
        rest = rest.slice(3);
        consume('/**', 3);
      }

      if (prior.type === 'bos' && eos()) {
        prev.type = 'globstar';
        prev.value += value;
        prev.output = globstar(opts);
        state.output = prev.output;
        state.globstar = true;
        consume(value);
        continue;
      }

      if (prior.type === 'slash' && prior.prev.type !== 'bos' && !afterStar && eos()) {
        state.output = state.output.slice(0, -(prior.output + prev.output).length);
        prior.output = `(?:${prior.output}`;

        prev.type = 'globstar';
        prev.output = globstar(opts) + (opts.strictSlashes ? ')' : '|$)');
        prev.value += value;
        state.globstar = true;
        state.output += prior.output + prev.output;
        consume(value);
        continue;
      }

      if (prior.type === 'slash' && prior.prev.type !== 'bos' && rest[0] === '/') {
        const end = rest[1] !== void 0 ? '|$' : '';

        state.output = state.output.slice(0, -(prior.output + prev.output).length);
        prior.output = `(?:${prior.output}`;

        prev.type = 'globstar';
        prev.output = `${globstar(opts)}${SLASH_LITERAL}|${SLASH_LITERAL}${end})`;
        prev.value += value;

        state.output += prior.output + prev.output;
        state.globstar = true;

        consume(value + advance());

        push({ type: 'slash', value: '/', output: '' });
        continue;
      }

      if (prior.type === 'bos' && rest[0] === '/') {
        prev.type = 'globstar';
        prev.value += value;
        prev.output = `(?:^|${SLASH_LITERAL}|${globstar(opts)}${SLASH_LITERAL})`;
        state.output = prev.output;
        state.globstar = true;
        consume(value + advance());
        push({ type: 'slash', value: '/', output: '' });
        continue;
      }

      // remove single star from output
      state.output = state.output.slice(0, -prev.output.length);

      // reset previous token to globstar
      prev.type = 'globstar';
      prev.output = globstar(opts);
      prev.value += value;

      // reset output with globstar
      state.output += prev.output;
      state.globstar = true;
      consume(value);
      continue;
    }

    const token = { type: 'star', value, output: star };

    if (opts.bash === true) {
      token.output = '.*?';
      if (prev.type === 'bos' || prev.type === 'slash') {
        token.output = nodot + token.output;
      }
      push(token);
      continue;
    }

    if (prev && (prev.type === 'bracket' || prev.type === 'paren') && opts.regex === true) {
      token.output = value;
      push(token);
      continue;
    }

    if (state.index === state.start || prev.type === 'slash' || prev.type === 'dot') {
      if (prev.type === 'dot') {
        state.output += NO_DOT_SLASH;
        prev.output += NO_DOT_SLASH;

      } else if (opts.dot === true) {
        state.output += NO_DOTS_SLASH;
        prev.output += NO_DOTS_SLASH;

      } else {
        state.output += nodot;
        prev.output += nodot;
      }

      if (peek() !== '*') {
        state.output += ONE_CHAR;
        prev.output += ONE_CHAR;
      }
    }

    push(token);
  }

  while (state.brackets > 0) {
    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ']'));
    state.output = utils$l.escapeLast(state.output, '[');
    decrement('brackets');
  }

  while (state.parens > 0) {
    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', ')'));
    state.output = utils$l.escapeLast(state.output, '(');
    decrement('parens');
  }

  while (state.braces > 0) {
    if (opts.strictBrackets === true) throw new SyntaxError(syntaxError('closing', '}'));
    state.output = utils$l.escapeLast(state.output, '{');
    decrement('braces');
  }

  if (opts.strictSlashes !== true && (prev.type === 'star' || prev.type === 'bracket')) {
    push({ type: 'maybe_slash', value: '', output: `${SLASH_LITERAL}?` });
  }

  // rebuild the output if we had to backtrack at any point
  if (state.backtrack === true) {
    state.output = '';

    for (const token of state.tokens) {
      state.output += token.output != null ? token.output : token.value;

      if (token.suffix) {
        state.output += token.suffix;
      }
    }
  }

  return state;
};

/**
 * Fast paths for creating regular expressions for common glob patterns.
 * This can significantly speed up processing and has very little downside
 * impact when none of the fast paths match.
 */

parse$8.fastpaths = (input, options) => {
  const opts = { ...options };
  const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
  const len = input.length;
  if (len > max) {
    throw new SyntaxError(`Input length: ${len}, exceeds maximum allowed length: ${max}`);
  }

  input = REPLACEMENTS[input] || input;
  const win32 = utils$l.isWindows(options);

  // create constants based on platform, for windows or posix
  const {
    DOT_LITERAL,
    SLASH_LITERAL,
    ONE_CHAR,
    DOTS_SLASH,
    NO_DOT,
    NO_DOTS,
    NO_DOTS_SLASH,
    STAR,
    START_ANCHOR
  } = constants$2.globChars(win32);

  const nodot = opts.dot ? NO_DOTS : NO_DOT;
  const slashDot = opts.dot ? NO_DOTS_SLASH : NO_DOT;
  const capture = opts.capture ? '' : '?:';
  const state = { negated: false, prefix: '' };
  let star = opts.bash === true ? '.*?' : STAR;

  if (opts.capture) {
    star = `(${star})`;
  }

  const globstar = opts => {
    if (opts.noglobstar === true) return star;
    return `(${capture}(?:(?!${START_ANCHOR}${opts.dot ? DOTS_SLASH : DOT_LITERAL}).)*?)`;
  };

  const create = str => {
    switch (str) {
      case '*':
        return `${nodot}${ONE_CHAR}${star}`;

      case '.*':
        return `${DOT_LITERAL}${ONE_CHAR}${star}`;

      case '*.*':
        return `${nodot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;

      case '*/*':
        return `${nodot}${star}${SLASH_LITERAL}${ONE_CHAR}${slashDot}${star}`;

      case '**':
        return nodot + globstar(opts);

      case '**/*':
        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${ONE_CHAR}${star}`;

      case '**/*.*':
        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${slashDot}${star}${DOT_LITERAL}${ONE_CHAR}${star}`;

      case '**/.*':
        return `(?:${nodot}${globstar(opts)}${SLASH_LITERAL})?${DOT_LITERAL}${ONE_CHAR}${star}`;

      default: {
        const match = /^(.*?)\.(\w+)$/.exec(str);
        if (!match) return;

        const source = create(match[1]);
        if (!source) return;

        return source + DOT_LITERAL + match[2];
      }
    }
  };

  const output = utils$l.removePrefix(input, state);
  let source = create(output);

  if (source && opts.strictSlashes !== true) {
    source += `${SLASH_LITERAL}?`;
  }

  return source;
};

var parse_1$1 = parse$8;

const path$9 = path$q;
const scan = scan_1;
const parse$7 = parse_1$1;
const utils$k = utils$n;
const constants$1 = constants$3;
const isObject$4 = val => val && typeof val === 'object' && !Array.isArray(val);

/**
 * Creates a matcher function from one or more glob patterns. The
 * returned function takes a string to match as its first argument,
 * and returns true if the string is a match. The returned matcher
 * function also takes a boolean as the second argument that, when true,
 * returns an object with additional information.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch(glob[, options]);
 *
 * const isMatch = picomatch('*.!(*a)');
 * console.log(isMatch('a.a')); //=> false
 * console.log(isMatch('a.b')); //=> true
 * ```
 * @name picomatch
 * @param {String|Array} `globs` One or more glob patterns.
 * @param {Object=} `options`
 * @return {Function=} Returns a matcher function.
 * @api public
 */

const picomatch$2 = (glob, options, returnState = false) => {
  if (Array.isArray(glob)) {
    const fns = glob.map(input => picomatch$2(input, options, returnState));
    const arrayMatcher = str => {
      for (const isMatch of fns) {
        const state = isMatch(str);
        if (state) return state;
      }
      return false;
    };
    return arrayMatcher;
  }

  const isState = isObject$4(glob) && glob.tokens && glob.input;

  if (glob === '' || (typeof glob !== 'string' && !isState)) {
    throw new TypeError('Expected pattern to be a non-empty string');
  }

  const opts = options || {};
  const posix = utils$k.isWindows(options);
  const regex = isState
    ? picomatch$2.compileRe(glob, options)
    : picomatch$2.makeRe(glob, options, false, true);

  const state = regex.state;
  delete regex.state;

  let isIgnored = () => false;
  if (opts.ignore) {
    const ignoreOpts = { ...options, ignore: null, onMatch: null, onResult: null };
    isIgnored = picomatch$2(opts.ignore, ignoreOpts, returnState);
  }

  const matcher = (input, returnObject = false) => {
    const { isMatch, match, output } = picomatch$2.test(input, regex, options, { glob, posix });
    const result = { glob, state, regex, posix, input, output, match, isMatch };

    if (typeof opts.onResult === 'function') {
      opts.onResult(result);
    }

    if (isMatch === false) {
      result.isMatch = false;
      return returnObject ? result : false;
    }

    if (isIgnored(input)) {
      if (typeof opts.onIgnore === 'function') {
        opts.onIgnore(result);
      }
      result.isMatch = false;
      return returnObject ? result : false;
    }

    if (typeof opts.onMatch === 'function') {
      opts.onMatch(result);
    }
    return returnObject ? result : true;
  };

  if (returnState) {
    matcher.state = state;
  }

  return matcher;
};

/**
 * Test `input` with the given `regex`. This is used by the main
 * `picomatch()` function to test the input string.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch.test(input, regex[, options]);
 *
 * console.log(picomatch.test('foo/bar', /^(?:([^/]*?)\/([^/]*?))$/));
 * // { isMatch: true, match: [ 'foo/', 'foo', 'bar' ], output: 'foo/bar' }
 * ```
 * @param {String} `input` String to test.
 * @param {RegExp} `regex`
 * @return {Object} Returns an object with matching info.
 * @api public
 */

picomatch$2.test = (input, regex, options, { glob, posix } = {}) => {
  if (typeof input !== 'string') {
    throw new TypeError('Expected input to be a string');
  }

  if (input === '') {
    return { isMatch: false, output: '' };
  }

  const opts = options || {};
  const format = opts.format || (posix ? utils$k.toPosixSlashes : null);
  let match = input === glob;
  let output = (match && format) ? format(input) : input;

  if (match === false) {
    output = format ? format(input) : input;
    match = output === glob;
  }

  if (match === false || opts.capture === true) {
    if (opts.matchBase === true || opts.basename === true) {
      match = picomatch$2.matchBase(input, regex, options, posix);
    } else {
      match = regex.exec(output);
    }
  }

  return { isMatch: Boolean(match), match, output };
};

/**
 * Match the basename of a filepath.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch.matchBase(input, glob[, options]);
 * console.log(picomatch.matchBase('foo/bar.js', '*.js'); // true
 * ```
 * @param {String} `input` String to test.
 * @param {RegExp|String} `glob` Glob pattern or regex created by [.makeRe](#makeRe).
 * @return {Boolean}
 * @api public
 */

picomatch$2.matchBase = (input, glob, options, posix = utils$k.isWindows(options)) => {
  const regex = glob instanceof RegExp ? glob : picomatch$2.makeRe(glob, options);
  return regex.test(path$9.basename(input));
};

/**
 * Returns true if **any** of the given glob `patterns` match the specified `string`.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch.isMatch(string, patterns[, options]);
 *
 * console.log(picomatch.isMatch('a.a', ['b.*', '*.a'])); //=> true
 * console.log(picomatch.isMatch('a.a', 'b.*')); //=> false
 * ```
 * @param {String|Array} str The string to test.
 * @param {String|Array} patterns One or more glob patterns to use for matching.
 * @param {Object} [options] See available [options](#options).
 * @return {Boolean} Returns true if any patterns match `str`
 * @api public
 */

picomatch$2.isMatch = (str, patterns, options) => picomatch$2(patterns, options)(str);

/**
 * Parse a glob pattern to create the source string for a regular
 * expression.
 *
 * ```js
 * const picomatch = require('picomatch');
 * const result = picomatch.parse(pattern[, options]);
 * ```
 * @param {String} `pattern`
 * @param {Object} `options`
 * @return {Object} Returns an object with useful properties and output to be used as a regex source string.
 * @api public
 */

picomatch$2.parse = (pattern, options) => {
  if (Array.isArray(pattern)) return pattern.map(p => picomatch$2.parse(p, options));
  return parse$7(pattern, { ...options, fastpaths: false });
};

/**
 * Scan a glob pattern to separate the pattern into segments.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch.scan(input[, options]);
 *
 * const result = picomatch.scan('!./foo/*.js');
 * console.log(result);
 * { prefix: '!./',
 *   input: '!./foo/*.js',
 *   start: 3,
 *   base: 'foo',
 *   glob: '*.js',
 *   isBrace: false,
 *   isBracket: false,
 *   isGlob: true,
 *   isExtglob: false,
 *   isGlobstar: false,
 *   negated: true }
 * ```
 * @param {String} `input` Glob pattern to scan.
 * @param {Object} `options`
 * @return {Object} Returns an object with
 * @api public
 */

picomatch$2.scan = (input, options) => scan(input, options);

/**
 * Compile a regular expression from the `state` object returned by the
 * [parse()](#parse) method.
 *
 * @param {Object} `state`
 * @param {Object} `options`
 * @param {Boolean} `returnOutput` Intended for implementors, this argument allows you to return the raw output from the parser.
 * @param {Boolean} `returnState` Adds the state to a `state` property on the returned regex. Useful for implementors and debugging.
 * @return {RegExp}
 * @api public
 */

picomatch$2.compileRe = (state, options, returnOutput = false, returnState = false) => {
  if (returnOutput === true) {
    return state.output;
  }

  const opts = options || {};
  const prepend = opts.contains ? '' : '^';
  const append = opts.contains ? '' : '$';

  let source = `${prepend}(?:${state.output})${append}`;
  if (state && state.negated === true) {
    source = `^(?!${source}).*$`;
  }

  const regex = picomatch$2.toRegex(source, options);
  if (returnState === true) {
    regex.state = state;
  }

  return regex;
};

/**
 * Create a regular expression from a parsed glob pattern.
 *
 * ```js
 * const picomatch = require('picomatch');
 * const state = picomatch.parse('*.js');
 * // picomatch.compileRe(state[, options]);
 *
 * console.log(picomatch.compileRe(state));
 * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
 * ```
 * @param {String} `state` The object returned from the `.parse` method.
 * @param {Object} `options`
 * @param {Boolean} `returnOutput` Implementors may use this argument to return the compiled output, instead of a regular expression. This is not exposed on the options to prevent end-users from mutating the result.
 * @param {Boolean} `returnState` Implementors may use this argument to return the state from the parsed glob with the returned regular expression.
 * @return {RegExp} Returns a regex created from the given pattern.
 * @api public
 */

picomatch$2.makeRe = (input, options = {}, returnOutput = false, returnState = false) => {
  if (!input || typeof input !== 'string') {
    throw new TypeError('Expected a non-empty string');
  }

  let parsed = { negated: false, fastpaths: true };

  if (options.fastpaths !== false && (input[0] === '.' || input[0] === '*')) {
    parsed.output = parse$7.fastpaths(input, options);
  }

  if (!parsed.output) {
    parsed = parse$7(input, options);
  }

  return picomatch$2.compileRe(parsed, options, returnOutput, returnState);
};

/**
 * Create a regular expression from the given regex source string.
 *
 * ```js
 * const picomatch = require('picomatch');
 * // picomatch.toRegex(source[, options]);
 *
 * const { output } = picomatch.parse('*.js');
 * console.log(picomatch.toRegex(output));
 * //=> /^(?:(?!\.)(?=.)[^/]*?\.js)$/
 * ```
 * @param {String} `source` Regular expression source string.
 * @param {Object} `options`
 * @return {RegExp}
 * @api public
 */

picomatch$2.toRegex = (source, options) => {
  try {
    const opts = options || {};
    return new RegExp(source, opts.flags || (opts.nocase ? 'i' : ''));
  } catch (err) {
    if (options && options.debug === true) throw err;
    return /$^/;
  }
};

/**
 * Picomatch constants.
 * @return {Object}
 */

picomatch$2.constants = constants$1;

/**
 * Expose "picomatch"
 */

var picomatch_1 = picomatch$2;

var picomatch$1 = picomatch_1;

const util = require$$0$3;
const braces = braces_1;
const picomatch = picomatch$1;
const utils$j = utils$n;
const isEmptyString = val => val === '' || val === './';

/**
 * Returns an array of strings that match one or more glob patterns.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm(list, patterns[, options]);
 *
 * console.log(mm(['a.js', 'a.txt'], ['*.js']));
 * //=> [ 'a.js' ]
 * ```
 * @param {String|Array<string>} `list` List of strings to match.
 * @param {String|Array<string>} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `options` See available [options](#options)
 * @return {Array} Returns an array of matches
 * @summary false
 * @api public
 */

const micromatch$1 = (list, patterns, options) => {
  patterns = [].concat(patterns);
  list = [].concat(list);

  let omit = new Set();
  let keep = new Set();
  let items = new Set();
  let negatives = 0;

  let onResult = state => {
    items.add(state.output);
    if (options && options.onResult) {
      options.onResult(state);
    }
  };

  for (let i = 0; i < patterns.length; i++) {
    let isMatch = picomatch(String(patterns[i]), { ...options, onResult }, true);
    let negated = isMatch.state.negated || isMatch.state.negatedExtglob;
    if (negated) negatives++;

    for (let item of list) {
      let matched = isMatch(item, true);

      let match = negated ? !matched.isMatch : matched.isMatch;
      if (!match) continue;

      if (negated) {
        omit.add(matched.output);
      } else {
        omit.delete(matched.output);
        keep.add(matched.output);
      }
    }
  }

  let result = negatives === patterns.length ? [...items] : [...keep];
  let matches = result.filter(item => !omit.has(item));

  if (options && matches.length === 0) {
    if (options.failglob === true) {
      throw new Error(`No matches found for "${patterns.join(', ')}"`);
    }

    if (options.nonull === true || options.nullglob === true) {
      return options.unescape ? patterns.map(p => p.replace(/\\/g, '')) : patterns;
    }
  }

  return matches;
};

/**
 * Backwards compatibility
 */

micromatch$1.match = micromatch$1;

/**
 * Returns a matcher function from the given glob `pattern` and `options`.
 * The returned function takes a string to match as its only argument and returns
 * true if the string is a match.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.matcher(pattern[, options]);
 *
 * const isMatch = mm.matcher('*.!(*a)');
 * console.log(isMatch('a.a')); //=> false
 * console.log(isMatch('a.b')); //=> true
 * ```
 * @param {String} `pattern` Glob pattern
 * @param {Object} `options`
 * @return {Function} Returns a matcher function.
 * @api public
 */

micromatch$1.matcher = (pattern, options) => picomatch(pattern, options);

/**
 * Returns true if **any** of the given glob `patterns` match the specified `string`.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.isMatch(string, patterns[, options]);
 *
 * console.log(mm.isMatch('a.a', ['b.*', '*.a'])); //=> true
 * console.log(mm.isMatch('a.a', 'b.*')); //=> false
 * ```
 * @param {String} `str` The string to test.
 * @param {String|Array} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `[options]` See available [options](#options).
 * @return {Boolean} Returns true if any patterns match `str`
 * @api public
 */

micromatch$1.isMatch = (str, patterns, options) => picomatch(patterns, options)(str);

/**
 * Backwards compatibility
 */

micromatch$1.any = micromatch$1.isMatch;

/**
 * Returns a list of strings that _**do not match any**_ of the given `patterns`.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.not(list, patterns[, options]);
 *
 * console.log(mm.not(['a.a', 'b.b', 'c.c'], '*.a'));
 * //=> ['b.b', 'c.c']
 * ```
 * @param {Array} `list` Array of strings to match.
 * @param {String|Array} `patterns` One or more glob pattern to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Array} Returns an array of strings that **do not match** the given patterns.
 * @api public
 */

micromatch$1.not = (list, patterns, options = {}) => {
  patterns = [].concat(patterns).map(String);
  let result = new Set();
  let items = [];

  let onResult = state => {
    if (options.onResult) options.onResult(state);
    items.push(state.output);
  };

  let matches = new Set(micromatch$1(list, patterns, { ...options, onResult }));

  for (let item of items) {
    if (!matches.has(item)) {
      result.add(item);
    }
  }
  return [...result];
};

/**
 * Returns true if the given `string` contains the given pattern. Similar
 * to [.isMatch](#isMatch) but the pattern can match any part of the string.
 *
 * ```js
 * var mm = require('micromatch');
 * // mm.contains(string, pattern[, options]);
 *
 * console.log(mm.contains('aa/bb/cc', '*b'));
 * //=> true
 * console.log(mm.contains('aa/bb/cc', '*d'));
 * //=> false
 * ```
 * @param {String} `str` The string to match.
 * @param {String|Array} `patterns` Glob pattern to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Boolean} Returns true if any of the patterns matches any part of `str`.
 * @api public
 */

micromatch$1.contains = (str, pattern, options) => {
  if (typeof str !== 'string') {
    throw new TypeError(`Expected a string: "${util.inspect(str)}"`);
  }

  if (Array.isArray(pattern)) {
    return pattern.some(p => micromatch$1.contains(str, p, options));
  }

  if (typeof pattern === 'string') {
    if (isEmptyString(str) || isEmptyString(pattern)) {
      return false;
    }

    if (str.includes(pattern) || (str.startsWith('./') && str.slice(2).includes(pattern))) {
      return true;
    }
  }

  return micromatch$1.isMatch(str, pattern, { ...options, contains: true });
};

/**
 * Filter the keys of the given object with the given `glob` pattern
 * and `options`. Does not attempt to match nested keys. If you need this feature,
 * use [glob-object][] instead.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.matchKeys(object, patterns[, options]);
 *
 * const obj = { aa: 'a', ab: 'b', ac: 'c' };
 * console.log(mm.matchKeys(obj, '*b'));
 * //=> { ab: 'b' }
 * ```
 * @param {Object} `object` The object with keys to filter.
 * @param {String|Array} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Object} Returns an object with only keys that match the given patterns.
 * @api public
 */

micromatch$1.matchKeys = (obj, patterns, options) => {
  if (!utils$j.isObject(obj)) {
    throw new TypeError('Expected the first argument to be an object');
  }
  let keys = micromatch$1(Object.keys(obj), patterns, options);
  let res = {};
  for (let key of keys) res[key] = obj[key];
  return res;
};

/**
 * Returns true if some of the strings in the given `list` match any of the given glob `patterns`.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.some(list, patterns[, options]);
 *
 * console.log(mm.some(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
 * // true
 * console.log(mm.some(['foo.js'], ['*.js', '!foo.js']));
 * // false
 * ```
 * @param {String|Array} `list` The string or array of strings to test. Returns as soon as the first match is found.
 * @param {String|Array} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Boolean} Returns true if any `patterns` matches any of the strings in `list`
 * @api public
 */

micromatch$1.some = (list, patterns, options) => {
  let items = [].concat(list);

  for (let pattern of [].concat(patterns)) {
    let isMatch = picomatch(String(pattern), options);
    if (items.some(item => isMatch(item))) {
      return true;
    }
  }
  return false;
};

/**
 * Returns true if every string in the given `list` matches
 * any of the given glob `patterns`.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.every(list, patterns[, options]);
 *
 * console.log(mm.every('foo.js', ['foo.js']));
 * // true
 * console.log(mm.every(['foo.js', 'bar.js'], ['*.js']));
 * // true
 * console.log(mm.every(['foo.js', 'bar.js'], ['*.js', '!foo.js']));
 * // false
 * console.log(mm.every(['foo.js'], ['*.js', '!foo.js']));
 * // false
 * ```
 * @param {String|Array} `list` The string or array of strings to test.
 * @param {String|Array} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Boolean} Returns true if all `patterns` matches all of the strings in `list`
 * @api public
 */

micromatch$1.every = (list, patterns, options) => {
  let items = [].concat(list);

  for (let pattern of [].concat(patterns)) {
    let isMatch = picomatch(String(pattern), options);
    if (!items.every(item => isMatch(item))) {
      return false;
    }
  }
  return true;
};

/**
 * Returns true if **all** of the given `patterns` match
 * the specified string.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.all(string, patterns[, options]);
 *
 * console.log(mm.all('foo.js', ['foo.js']));
 * // true
 *
 * console.log(mm.all('foo.js', ['*.js', '!foo.js']));
 * // false
 *
 * console.log(mm.all('foo.js', ['*.js', 'foo.js']));
 * // true
 *
 * console.log(mm.all('foo.js', ['*.js', 'f*', '*o*', '*o.js']));
 * // true
 * ```
 * @param {String|Array} `str` The string to test.
 * @param {String|Array} `patterns` One or more glob patterns to use for matching.
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Boolean} Returns true if any patterns match `str`
 * @api public
 */

micromatch$1.all = (str, patterns, options) => {
  if (typeof str !== 'string') {
    throw new TypeError(`Expected a string: "${util.inspect(str)}"`);
  }

  return [].concat(patterns).every(p => picomatch(p, options)(str));
};

/**
 * Returns an array of matches captured by `pattern` in `string, or `null` if the pattern did not match.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.capture(pattern, string[, options]);
 *
 * console.log(mm.capture('test/*.js', 'test/foo.js'));
 * //=> ['foo']
 * console.log(mm.capture('test/*.js', 'foo/bar.css'));
 * //=> null
 * ```
 * @param {String} `glob` Glob pattern to use for matching.
 * @param {String} `input` String to match
 * @param {Object} `options` See available [options](#options) for changing how matches are performed
 * @return {Array|null} Returns an array of captures if the input matches the glob pattern, otherwise `null`.
 * @api public
 */

micromatch$1.capture = (glob, input, options) => {
  let posix = utils$j.isWindows(options);
  let regex = picomatch.makeRe(String(glob), { ...options, capture: true });
  let match = regex.exec(posix ? utils$j.toPosixSlashes(input) : input);

  if (match) {
    return match.slice(1).map(v => v === void 0 ? '' : v);
  }
};

/**
 * Create a regular expression from the given glob `pattern`.
 *
 * ```js
 * const mm = require('micromatch');
 * // mm.makeRe(pattern[, options]);
 *
 * console.log(mm.makeRe('*.js'));
 * //=> /^(?:(\.[\\\/])?(?!\.)(?=.)[^\/]*?\.js)$/
 * ```
 * @param {String} `pattern` A glob pattern to convert to regex.
 * @param {Object} `options`
 * @return {RegExp} Returns a regex created from the given pattern.
 * @api public
 */

micromatch$1.makeRe = (...args) => picomatch.makeRe(...args);

/**
 * Scan a glob pattern to separate the pattern into segments. Used
 * by the [split](#split) method.
 *
 * ```js
 * const mm = require('micromatch');
 * const state = mm.scan(pattern[, options]);
 * ```
 * @param {String} `pattern`
 * @param {Object} `options`
 * @return {Object} Returns an object with
 * @api public
 */

micromatch$1.scan = (...args) => picomatch.scan(...args);

/**
 * Parse a glob pattern to create the source string for a regular
 * expression.
 *
 * ```js
 * const mm = require('micromatch');
 * const state = mm.parse(pattern[, options]);
 * ```
 * @param {String} `glob`
 * @param {Object} `options`
 * @return {Object} Returns an object with useful properties and output to be used as regex source string.
 * @api public
 */

micromatch$1.parse = (patterns, options) => {
  let res = [];
  for (let pattern of [].concat(patterns || [])) {
    for (let str of braces(String(pattern), options)) {
      res.push(picomatch.parse(str, options));
    }
  }
  return res;
};

/**
 * Process the given brace `pattern`.
 *
 * ```js
 * const { braces } = require('micromatch');
 * console.log(braces('foo/{a,b,c}/bar'));
 * //=> [ 'foo/(a|b|c)/bar' ]
 *
 * console.log(braces('foo/{a,b,c}/bar', { expand: true }));
 * //=> [ 'foo/a/bar', 'foo/b/bar', 'foo/c/bar' ]
 * ```
 * @param {String} `pattern` String with brace pattern to process.
 * @param {Object} `options` Any [options](#options) to change how expansion is performed. See the [braces][] library for all available options.
 * @return {Array}
 * @api public
 */

micromatch$1.braces = (pattern, options) => {
  if (typeof pattern !== 'string') throw new TypeError('Expected a string');
  if ((options && options.nobrace === true) || !/\{.*\}/.test(pattern)) {
    return [pattern];
  }
  return braces(pattern, options);
};

/**
 * Expand braces
 */

micromatch$1.braceExpand = (pattern, options) => {
  if (typeof pattern !== 'string') throw new TypeError('Expected a string');
  return micromatch$1.braces(pattern, { ...options, expand: true });
};

/**
 * Expose micromatch
 */

var micromatch_1 = micromatch$1;

Object.defineProperty(pattern$1, "__esModule", { value: true });
pattern$1.removeDuplicateSlashes = pattern$1.matchAny = pattern$1.convertPatternsToRe = pattern$1.makeRe = pattern$1.getPatternParts = pattern$1.expandBraceExpansion = pattern$1.expandPatternsWithBraceExpansion = pattern$1.isAffectDepthOfReadingPattern = pattern$1.endsWithSlashGlobStar = pattern$1.hasGlobStar = pattern$1.getBaseDirectory = pattern$1.isPatternRelatedToParentDirectory = pattern$1.getPatternsOutsideCurrentDirectory = pattern$1.getPatternsInsideCurrentDirectory = pattern$1.getPositivePatterns = pattern$1.getNegativePatterns = pattern$1.isPositivePattern = pattern$1.isNegativePattern = pattern$1.convertToNegativePattern = pattern$1.convertToPositivePattern = pattern$1.isDynamicPattern = pattern$1.isStaticPattern = void 0;
const path$8 = path$q;
const globParent = globParent$1;
const micromatch = micromatch_1;
const GLOBSTAR = '**';
const ESCAPE_SYMBOL = '\\';
const COMMON_GLOB_SYMBOLS_RE = /[*?]|^!/;
const REGEX_CHARACTER_CLASS_SYMBOLS_RE = /\[[^[]*]/;
const REGEX_GROUP_SYMBOLS_RE = /(?:^|[^!*+?@])\([^(]*\|[^|]*\)/;
const GLOB_EXTENSION_SYMBOLS_RE = /[!*+?@]\([^(]*\)/;
const BRACE_EXPANSION_SEPARATORS_RE = /,|\.\./;
/**
 * Matches a sequence of two or more consecutive slashes, excluding the first two slashes at the beginning of the string.
 * The latter is due to the presence of the device path at the beginning of the UNC path.
 */
const DOUBLE_SLASH_RE = /(?!^)\/{2,}/g;
function isStaticPattern(pattern, options = {}) {
    return !isDynamicPattern(pattern, options);
}
pattern$1.isStaticPattern = isStaticPattern;
function isDynamicPattern(pattern, options = {}) {
    /**
     * A special case with an empty string is necessary for matching patterns that start with a forward slash.
     * An empty string cannot be a dynamic pattern.
     * For example, the pattern `/lib/*` will be spread into parts: '', 'lib', '*'.
     */
    if (pattern === '') {
        return false;
    }
    /**
     * When the `caseSensitiveMatch` option is disabled, all patterns must be marked as dynamic, because we cannot check
     * filepath directly (without read directory).
     */
    if (options.caseSensitiveMatch === false || pattern.includes(ESCAPE_SYMBOL)) {
        return true;
    }
    if (COMMON_GLOB_SYMBOLS_RE.test(pattern) || REGEX_CHARACTER_CLASS_SYMBOLS_RE.test(pattern) || REGEX_GROUP_SYMBOLS_RE.test(pattern)) {
        return true;
    }
    if (options.extglob !== false && GLOB_EXTENSION_SYMBOLS_RE.test(pattern)) {
        return true;
    }
    if (options.braceExpansion !== false && hasBraceExpansion(pattern)) {
        return true;
    }
    return false;
}
pattern$1.isDynamicPattern = isDynamicPattern;
function hasBraceExpansion(pattern) {
    const openingBraceIndex = pattern.indexOf('{');
    if (openingBraceIndex === -1) {
        return false;
    }
    const closingBraceIndex = pattern.indexOf('}', openingBraceIndex + 1);
    if (closingBraceIndex === -1) {
        return false;
    }
    const braceContent = pattern.slice(openingBraceIndex, closingBraceIndex);
    return BRACE_EXPANSION_SEPARATORS_RE.test(braceContent);
}
function convertToPositivePattern(pattern) {
    return isNegativePattern(pattern) ? pattern.slice(1) : pattern;
}
pattern$1.convertToPositivePattern = convertToPositivePattern;
function convertToNegativePattern(pattern) {
    return '!' + pattern;
}
pattern$1.convertToNegativePattern = convertToNegativePattern;
function isNegativePattern(pattern) {
    return pattern.startsWith('!') && pattern[1] !== '(';
}
pattern$1.isNegativePattern = isNegativePattern;
function isPositivePattern(pattern) {
    return !isNegativePattern(pattern);
}
pattern$1.isPositivePattern = isPositivePattern;
function getNegativePatterns(patterns) {
    return patterns.filter(isNegativePattern);
}
pattern$1.getNegativePatterns = getNegativePatterns;
function getPositivePatterns$1(patterns) {
    return patterns.filter(isPositivePattern);
}
pattern$1.getPositivePatterns = getPositivePatterns$1;
/**
 * Returns patterns that can be applied inside the current directory.
 *
 * @example
 * // ['./*', '*', 'a/*']
 * getPatternsInsideCurrentDirectory(['./*', '*', 'a/*', '../*', './../*'])
 */
function getPatternsInsideCurrentDirectory(patterns) {
    return patterns.filter((pattern) => !isPatternRelatedToParentDirectory(pattern));
}
pattern$1.getPatternsInsideCurrentDirectory = getPatternsInsideCurrentDirectory;
/**
 * Returns patterns to be expanded relative to (outside) the current directory.
 *
 * @example
 * // ['../*', './../*']
 * getPatternsInsideCurrentDirectory(['./*', '*', 'a/*', '../*', './../*'])
 */
function getPatternsOutsideCurrentDirectory(patterns) {
    return patterns.filter(isPatternRelatedToParentDirectory);
}
pattern$1.getPatternsOutsideCurrentDirectory = getPatternsOutsideCurrentDirectory;
function isPatternRelatedToParentDirectory(pattern) {
    return pattern.startsWith('..') || pattern.startsWith('./..');
}
pattern$1.isPatternRelatedToParentDirectory = isPatternRelatedToParentDirectory;
function getBaseDirectory(pattern) {
    return globParent(pattern, { flipBackslashes: false });
}
pattern$1.getBaseDirectory = getBaseDirectory;
function hasGlobStar(pattern) {
    return pattern.includes(GLOBSTAR);
}
pattern$1.hasGlobStar = hasGlobStar;
function endsWithSlashGlobStar(pattern) {
    return pattern.endsWith('/' + GLOBSTAR);
}
pattern$1.endsWithSlashGlobStar = endsWithSlashGlobStar;
function isAffectDepthOfReadingPattern(pattern) {
    const basename = path$8.basename(pattern);
    return endsWithSlashGlobStar(pattern) || isStaticPattern(basename);
}
pattern$1.isAffectDepthOfReadingPattern = isAffectDepthOfReadingPattern;
function expandPatternsWithBraceExpansion(patterns) {
    return patterns.reduce((collection, pattern) => {
        return collection.concat(expandBraceExpansion(pattern));
    }, []);
}
pattern$1.expandPatternsWithBraceExpansion = expandPatternsWithBraceExpansion;
function expandBraceExpansion(pattern) {
    const patterns = micromatch.braces(pattern, { expand: true, nodupes: true, keepEscaping: true });
    /**
     * Sort the patterns by length so that the same depth patterns are processed side by side.
     * `a/{b,}/{c,}/*` – `['a///*', 'a/b//*', 'a//c/*', 'a/b/c/*']`
     */
    patterns.sort((a, b) => a.length - b.length);
    /**
     * Micromatch can return an empty string in the case of patterns like `{a,}`.
     */
    return patterns.filter((pattern) => pattern !== '');
}
pattern$1.expandBraceExpansion = expandBraceExpansion;
function getPatternParts(pattern, options) {
    let { parts } = micromatch.scan(pattern, Object.assign(Object.assign({}, options), { parts: true }));
    /**
     * The scan method returns an empty array in some cases.
     * See micromatch/picomatch#58 for more details.
     */
    if (parts.length === 0) {
        parts = [pattern];
    }
    /**
     * The scan method does not return an empty part for the pattern with a forward slash.
     * This is another part of micromatch/picomatch#58.
     */
    if (parts[0].startsWith('/')) {
        parts[0] = parts[0].slice(1);
        parts.unshift('');
    }
    return parts;
}
pattern$1.getPatternParts = getPatternParts;
function makeRe(pattern, options) {
    return micromatch.makeRe(pattern, options);
}
pattern$1.makeRe = makeRe;
function convertPatternsToRe(patterns, options) {
    return patterns.map((pattern) => makeRe(pattern, options));
}
pattern$1.convertPatternsToRe = convertPatternsToRe;
function matchAny(entry, patternsRe) {
    return patternsRe.some((patternRe) => patternRe.test(entry));
}
pattern$1.matchAny = matchAny;
/**
 * This package only works with forward slashes as a path separator.
 * Because of this, we cannot use the standard `path.normalize` method, because on Windows platform it will use of backslashes.
 */
function removeDuplicateSlashes(pattern) {
    return pattern.replace(DOUBLE_SLASH_RE, '/');
}
pattern$1.removeDuplicateSlashes = removeDuplicateSlashes;

var stream$4 = {};

/*
 * merge2
 * https://github.com/teambition/merge2
 *
 * Copyright (c) 2014-2020 Teambition
 * Licensed under the MIT license.
 */
const Stream = require$$0$2;
const PassThrough = Stream.PassThrough;
const slice = Array.prototype.slice;

var merge2_1 = merge2$1;

function merge2$1 () {
  const streamsQueue = [];
  const args = slice.call(arguments);
  let merging = false;
  let options = args[args.length - 1];

  if (options && !Array.isArray(options) && options.pipe == null) {
    args.pop();
  } else {
    options = {};
  }

  const doEnd = options.end !== false;
  const doPipeError = options.pipeError === true;
  if (options.objectMode == null) {
    options.objectMode = true;
  }
  if (options.highWaterMark == null) {
    options.highWaterMark = 64 * 1024;
  }
  const mergedStream = PassThrough(options);

  function addStream () {
    for (let i = 0, len = arguments.length; i < len; i++) {
      streamsQueue.push(pauseStreams(arguments[i], options));
    }
    mergeStream();
    return this
  }

  function mergeStream () {
    if (merging) {
      return
    }
    merging = true;

    let streams = streamsQueue.shift();
    if (!streams) {
      process.nextTick(endStream);
      return
    }
    if (!Array.isArray(streams)) {
      streams = [streams];
    }

    let pipesCount = streams.length + 1;

    function next () {
      if (--pipesCount > 0) {
        return
      }
      merging = false;
      mergeStream();
    }

    function pipe (stream) {
      function onend () {
        stream.removeListener('merge2UnpipeEnd', onend);
        stream.removeListener('end', onend);
        if (doPipeError) {
          stream.removeListener('error', onerror);
        }
        next();
      }
      function onerror (err) {
        mergedStream.emit('error', err);
      }
      // skip ended stream
      if (stream._readableState.endEmitted) {
        return next()
      }

      stream.on('merge2UnpipeEnd', onend);
      stream.on('end', onend);

      if (doPipeError) {
        stream.on('error', onerror);
      }

      stream.pipe(mergedStream, { end: false });
      // compatible for old stream
      stream.resume();
    }

    for (let i = 0; i < streams.length; i++) {
      pipe(streams[i]);
    }

    next();
  }

  function endStream () {
    merging = false;
    // emit 'queueDrain' when all streams merged.
    mergedStream.emit('queueDrain');
    if (doEnd) {
      mergedStream.end();
    }
  }

  mergedStream.setMaxListeners(0);
  mergedStream.add = addStream;
  mergedStream.on('unpipe', function (stream) {
    stream.emit('merge2UnpipeEnd');
  });

  if (args.length) {
    addStream.apply(null, args);
  }
  return mergedStream
}

// check and pause streams for pipe.
function pauseStreams (streams, options) {
  if (!Array.isArray(streams)) {
    // Backwards-compat with old-style streams
    if (!streams._readableState && streams.pipe) {
      streams = streams.pipe(PassThrough(options));
    }
    if (!streams._readableState || !streams.pause || !streams.pipe) {
      throw new Error('Only readable stream can be merged.')
    }
    streams.pause();
  } else {
    for (let i = 0, len = streams.length; i < len; i++) {
      streams[i] = pauseStreams(streams[i], options);
    }
  }
  return streams
}

Object.defineProperty(stream$4, "__esModule", { value: true });
stream$4.merge = void 0;
const merge2 = merge2_1;
function merge$1(streams) {
    const mergedStream = merge2(streams);
    streams.forEach((stream) => {
        stream.once('error', (error) => mergedStream.emit('error', error));
    });
    mergedStream.once('close', () => propagateCloseEventToSources(streams));
    mergedStream.once('end', () => propagateCloseEventToSources(streams));
    return mergedStream;
}
stream$4.merge = merge$1;
function propagateCloseEventToSources(streams) {
    streams.forEach((stream) => stream.emit('close'));
}

var string$1 = {};

Object.defineProperty(string$1, "__esModule", { value: true });
string$1.isEmpty = string$1.isString = void 0;
function isString$2(input) {
    return typeof input === 'string';
}
string$1.isString = isString$2;
function isEmpty(input) {
    return input === '';
}
string$1.isEmpty = isEmpty;

Object.defineProperty(utils$s, "__esModule", { value: true });
utils$s.string = utils$s.stream = utils$s.pattern = utils$s.path = utils$s.fs = utils$s.errno = utils$s.array = void 0;
const array = array$1;
utils$s.array = array;
const errno = errno$1;
utils$s.errno = errno;
const fs$8 = fs$9;
utils$s.fs = fs$8;
const path$7 = path$c;
utils$s.path = path$7;
const pattern = pattern$1;
utils$s.pattern = pattern;
const stream$3 = stream$4;
utils$s.stream = stream$3;
const string = string$1;
utils$s.string = string;

Object.defineProperty(tasks, "__esModule", { value: true });
tasks.convertPatternGroupToTask = tasks.convertPatternGroupsToTasks = tasks.groupPatternsByBaseDirectory = tasks.getNegativePatternsAsPositive = tasks.getPositivePatterns = tasks.convertPatternsToTasks = tasks.generate = void 0;
const utils$i = utils$s;
function generate(input, settings) {
    const patterns = processPatterns(input, settings);
    const ignore = processPatterns(settings.ignore, settings);
    const positivePatterns = getPositivePatterns(patterns);
    const negativePatterns = getNegativePatternsAsPositive(patterns, ignore);
    const staticPatterns = positivePatterns.filter((pattern) => utils$i.pattern.isStaticPattern(pattern, settings));
    const dynamicPatterns = positivePatterns.filter((pattern) => utils$i.pattern.isDynamicPattern(pattern, settings));
    const staticTasks = convertPatternsToTasks(staticPatterns, negativePatterns, /* dynamic */ false);
    const dynamicTasks = convertPatternsToTasks(dynamicPatterns, negativePatterns, /* dynamic */ true);
    return staticTasks.concat(dynamicTasks);
}
tasks.generate = generate;
function processPatterns(input, settings) {
    let patterns = input;
    /**
     * The original pattern like `{,*,**,a/*}` can lead to problems checking the depth when matching entry
     * and some problems with the micromatch package (see fast-glob issues: #365, #394).
     *
     * To solve this problem, we expand all patterns containing brace expansion. This can lead to a slight slowdown
     * in matching in the case of a large set of patterns after expansion.
     */
    if (settings.braceExpansion) {
        patterns = utils$i.pattern.expandPatternsWithBraceExpansion(patterns);
    }
    /**
     * If the `baseNameMatch` option is enabled, we must add globstar to patterns, so that they can be used
     * at any nesting level.
     *
     * We do this here, because otherwise we have to complicate the filtering logic. For example, we need to change
     * the pattern in the filter before creating a regular expression. There is no need to change the patterns
     * in the application. Only on the input.
     */
    if (settings.baseNameMatch) {
        patterns = patterns.map((pattern) => pattern.includes('/') ? pattern : `**/${pattern}`);
    }
    /**
     * This method also removes duplicate slashes that may have been in the pattern or formed as a result of expansion.
     */
    return patterns.map((pattern) => utils$i.pattern.removeDuplicateSlashes(pattern));
}
/**
 * Returns tasks grouped by basic pattern directories.
 *
 * Patterns that can be found inside (`./`) and outside (`../`) the current directory are handled separately.
 * This is necessary because directory traversal starts at the base directory and goes deeper.
 */
function convertPatternsToTasks(positive, negative, dynamic) {
    const tasks = [];
    const patternsOutsideCurrentDirectory = utils$i.pattern.getPatternsOutsideCurrentDirectory(positive);
    const patternsInsideCurrentDirectory = utils$i.pattern.getPatternsInsideCurrentDirectory(positive);
    const outsideCurrentDirectoryGroup = groupPatternsByBaseDirectory(patternsOutsideCurrentDirectory);
    const insideCurrentDirectoryGroup = groupPatternsByBaseDirectory(patternsInsideCurrentDirectory);
    tasks.push(...convertPatternGroupsToTasks(outsideCurrentDirectoryGroup, negative, dynamic));
    /*
     * For the sake of reducing future accesses to the file system, we merge all tasks within the current directory
     * into a global task, if at least one pattern refers to the root (`.`). In this case, the global task covers the rest.
     */
    if ('.' in insideCurrentDirectoryGroup) {
        tasks.push(convertPatternGroupToTask('.', patternsInsideCurrentDirectory, negative, dynamic));
    }
    else {
        tasks.push(...convertPatternGroupsToTasks(insideCurrentDirectoryGroup, negative, dynamic));
    }
    return tasks;
}
tasks.convertPatternsToTasks = convertPatternsToTasks;
function getPositivePatterns(patterns) {
    return utils$i.pattern.getPositivePatterns(patterns);
}
tasks.getPositivePatterns = getPositivePatterns;
function getNegativePatternsAsPositive(patterns, ignore) {
    const negative = utils$i.pattern.getNegativePatterns(patterns).concat(ignore);
    const positive = negative.map(utils$i.pattern.convertToPositivePattern);
    return positive;
}
tasks.getNegativePatternsAsPositive = getNegativePatternsAsPositive;
function groupPatternsByBaseDirectory(patterns) {
    const group = {};
    return patterns.reduce((collection, pattern) => {
        const base = utils$i.pattern.getBaseDirectory(pattern);
        if (base in collection) {
            collection[base].push(pattern);
        }
        else {
            collection[base] = [pattern];
        }
        return collection;
    }, group);
}
tasks.groupPatternsByBaseDirectory = groupPatternsByBaseDirectory;
function convertPatternGroupsToTasks(positive, negative, dynamic) {
    return Object.keys(positive).map((base) => {
        return convertPatternGroupToTask(base, positive[base], negative, dynamic);
    });
}
tasks.convertPatternGroupsToTasks = convertPatternGroupsToTasks;
function convertPatternGroupToTask(base, positive, negative, dynamic) {
    return {
        dynamic,
        positive,
        negative,
        base,
        patterns: [].concat(positive, negative.map(utils$i.pattern.convertToNegativePattern))
    };
}
tasks.convertPatternGroupToTask = convertPatternGroupToTask;

var async$7 = {};

var async$6 = {};

var out$3 = {};

var async$5 = {};

var async$4 = {};

var out$2 = {};

var async$3 = {};

var out$1 = {};

var async$2 = {};

Object.defineProperty(async$2, "__esModule", { value: true });
async$2.read = void 0;
function read$3(path, settings, callback) {
    settings.fs.lstat(path, (lstatError, lstat) => {
        if (lstatError !== null) {
            callFailureCallback$2(callback, lstatError);
            return;
        }
        if (!lstat.isSymbolicLink() || !settings.followSymbolicLink) {
            callSuccessCallback$2(callback, lstat);
            return;
        }
        settings.fs.stat(path, (statError, stat) => {
            if (statError !== null) {
                if (settings.throwErrorOnBrokenSymbolicLink) {
                    callFailureCallback$2(callback, statError);
                    return;
                }
                callSuccessCallback$2(callback, lstat);
                return;
            }
            if (settings.markSymbolicLink) {
                stat.isSymbolicLink = () => true;
            }
            callSuccessCallback$2(callback, stat);
        });
    });
}
async$2.read = read$3;
function callFailureCallback$2(callback, error) {
    callback(error);
}
function callSuccessCallback$2(callback, result) {
    callback(null, result);
}

var sync$8 = {};

Object.defineProperty(sync$8, "__esModule", { value: true });
sync$8.read = void 0;
function read$2(path, settings) {
    const lstat = settings.fs.lstatSync(path);
    if (!lstat.isSymbolicLink() || !settings.followSymbolicLink) {
        return lstat;
    }
    try {
        const stat = settings.fs.statSync(path);
        if (settings.markSymbolicLink) {
            stat.isSymbolicLink = () => true;
        }
        return stat;
    }
    catch (error) {
        if (!settings.throwErrorOnBrokenSymbolicLink) {
            return lstat;
        }
        throw error;
    }
}
sync$8.read = read$2;

var settings$3 = {};

var fs$7 = {};

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.createFileSystemAdapter = exports.FILE_SYSTEM_ADAPTER = void 0;
	const fs = fs__default;
	exports.FILE_SYSTEM_ADAPTER = {
	    lstat: fs.lstat,
	    stat: fs.stat,
	    lstatSync: fs.lstatSync,
	    statSync: fs.statSync
	};
	function createFileSystemAdapter(fsMethods) {
	    if (fsMethods === undefined) {
	        return exports.FILE_SYSTEM_ADAPTER;
	    }
	    return Object.assign(Object.assign({}, exports.FILE_SYSTEM_ADAPTER), fsMethods);
	}
	exports.createFileSystemAdapter = createFileSystemAdapter; 
} (fs$7));

Object.defineProperty(settings$3, "__esModule", { value: true });
const fs$6 = fs$7;
let Settings$2 = class Settings {
    constructor(_options = {}) {
        this._options = _options;
        this.followSymbolicLink = this._getValue(this._options.followSymbolicLink, true);
        this.fs = fs$6.createFileSystemAdapter(this._options.fs);
        this.markSymbolicLink = this._getValue(this._options.markSymbolicLink, false);
        this.throwErrorOnBrokenSymbolicLink = this._getValue(this._options.throwErrorOnBrokenSymbolicLink, true);
    }
    _getValue(option, value) {
        return option !== null && option !== void 0 ? option : value;
    }
};
settings$3.default = Settings$2;

Object.defineProperty(out$1, "__esModule", { value: true });
out$1.statSync = out$1.stat = out$1.Settings = void 0;
const async$1 = async$2;
const sync$7 = sync$8;
const settings_1$3 = settings$3;
out$1.Settings = settings_1$3.default;
function stat(path, optionsOrSettingsOrCallback, callback) {
    if (typeof optionsOrSettingsOrCallback === 'function') {
        async$1.read(path, getSettings$2(), optionsOrSettingsOrCallback);
        return;
    }
    async$1.read(path, getSettings$2(optionsOrSettingsOrCallback), callback);
}
out$1.stat = stat;
function statSync(path, optionsOrSettings) {
    const settings = getSettings$2(optionsOrSettings);
    return sync$7.read(path, settings);
}
out$1.statSync = statSync;
function getSettings$2(settingsOrOptions = {}) {
    if (settingsOrOptions instanceof settings_1$3.default) {
        return settingsOrOptions;
    }
    return new settings_1$3.default(settingsOrOptions);
}

/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */

let promise;

var queueMicrotask_1 = typeof queueMicrotask === 'function'
  ? queueMicrotask.bind(typeof window !== 'undefined' ? window : commonjsGlobal)
  // reuse resolved promise, and allocate it lazily
  : cb => (promise || (promise = Promise.resolve()))
    .then(cb)
    .catch(err => setTimeout(() => { throw err }, 0));

/*! run-parallel. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */

var runParallel_1 = runParallel;

const queueMicrotask$1 = queueMicrotask_1;

function runParallel (tasks, cb) {
  let results, pending, keys;
  let isSync = true;

  if (Array.isArray(tasks)) {
    results = [];
    pending = tasks.length;
  } else {
    keys = Object.keys(tasks);
    results = {};
    pending = keys.length;
  }

  function done (err) {
    function end () {
      if (cb) cb(err, results);
      cb = null;
    }
    if (isSync) queueMicrotask$1(end);
    else end();
  }

  function each (i, err, result) {
    results[i] = result;
    if (--pending === 0 || err) {
      done(err);
    }
  }

  if (!pending) {
    // empty
    done(null);
  } else if (keys) {
    // object
    keys.forEach(function (key) {
      tasks[key](function (err, result) { each(key, err, result); });
    });
  } else {
    // array
    tasks.forEach(function (task, i) {
      task(function (err, result) { each(i, err, result); });
    });
  }

  isSync = false;
}

var constants = {};

Object.defineProperty(constants, "__esModule", { value: true });
constants.IS_SUPPORT_READDIR_WITH_FILE_TYPES = void 0;
const NODE_PROCESS_VERSION_PARTS = process.versions.node.split('.');
if (NODE_PROCESS_VERSION_PARTS[0] === undefined || NODE_PROCESS_VERSION_PARTS[1] === undefined) {
    throw new Error(`Unexpected behavior. The 'process.versions.node' variable has invalid value: ${process.versions.node}`);
}
const MAJOR_VERSION = Number.parseInt(NODE_PROCESS_VERSION_PARTS[0], 10);
const MINOR_VERSION = Number.parseInt(NODE_PROCESS_VERSION_PARTS[1], 10);
const SUPPORTED_MAJOR_VERSION = 10;
const SUPPORTED_MINOR_VERSION = 10;
const IS_MATCHED_BY_MAJOR = MAJOR_VERSION > SUPPORTED_MAJOR_VERSION;
const IS_MATCHED_BY_MAJOR_AND_MINOR = MAJOR_VERSION === SUPPORTED_MAJOR_VERSION && MINOR_VERSION >= SUPPORTED_MINOR_VERSION;
/**
 * IS `true` for Node.js 10.10 and greater.
 */
constants.IS_SUPPORT_READDIR_WITH_FILE_TYPES = IS_MATCHED_BY_MAJOR || IS_MATCHED_BY_MAJOR_AND_MINOR;

var utils$h = {};

var fs$5 = {};

Object.defineProperty(fs$5, "__esModule", { value: true });
fs$5.createDirentFromStats = void 0;
class DirentFromStats {
    constructor(name, stats) {
        this.name = name;
        this.isBlockDevice = stats.isBlockDevice.bind(stats);
        this.isCharacterDevice = stats.isCharacterDevice.bind(stats);
        this.isDirectory = stats.isDirectory.bind(stats);
        this.isFIFO = stats.isFIFO.bind(stats);
        this.isFile = stats.isFile.bind(stats);
        this.isSocket = stats.isSocket.bind(stats);
        this.isSymbolicLink = stats.isSymbolicLink.bind(stats);
    }
}
function createDirentFromStats(name, stats) {
    return new DirentFromStats(name, stats);
}
fs$5.createDirentFromStats = createDirentFromStats;

Object.defineProperty(utils$h, "__esModule", { value: true });
utils$h.fs = void 0;
const fs$4 = fs$5;
utils$h.fs = fs$4;

var common$d = {};

Object.defineProperty(common$d, "__esModule", { value: true });
common$d.joinPathSegments = void 0;
function joinPathSegments$1(a, b, separator) {
    /**
     * The correct handling of cases when the first segment is a root (`/`, `C:/`) or UNC path (`//?/C:/`).
     */
    if (a.endsWith(separator)) {
        return a + b;
    }
    return a + separator + b;
}
common$d.joinPathSegments = joinPathSegments$1;

Object.defineProperty(async$3, "__esModule", { value: true });
async$3.readdir = async$3.readdirWithFileTypes = async$3.read = void 0;
const fsStat$5 = out$1;
const rpl = runParallel_1;
const constants_1$1 = constants;
const utils$g = utils$h;
const common$c = common$d;
function read$1(directory, settings, callback) {
    if (!settings.stats && constants_1$1.IS_SUPPORT_READDIR_WITH_FILE_TYPES) {
        readdirWithFileTypes$1(directory, settings, callback);
        return;
    }
    readdir$1(directory, settings, callback);
}
async$3.read = read$1;
function readdirWithFileTypes$1(directory, settings, callback) {
    settings.fs.readdir(directory, { withFileTypes: true }, (readdirError, dirents) => {
        if (readdirError !== null) {
            callFailureCallback$1(callback, readdirError);
            return;
        }
        const entries = dirents.map((dirent) => ({
            dirent,
            name: dirent.name,
            path: common$c.joinPathSegments(directory, dirent.name, settings.pathSegmentSeparator)
        }));
        if (!settings.followSymbolicLinks) {
            callSuccessCallback$1(callback, entries);
            return;
        }
        const tasks = entries.map((entry) => makeRplTaskEntry(entry, settings));
        rpl(tasks, (rplError, rplEntries) => {
            if (rplError !== null) {
                callFailureCallback$1(callback, rplError);
                return;
            }
            callSuccessCallback$1(callback, rplEntries);
        });
    });
}
async$3.readdirWithFileTypes = readdirWithFileTypes$1;
function makeRplTaskEntry(entry, settings) {
    return (done) => {
        if (!entry.dirent.isSymbolicLink()) {
            done(null, entry);
            return;
        }
        settings.fs.stat(entry.path, (statError, stats) => {
            if (statError !== null) {
                if (settings.throwErrorOnBrokenSymbolicLink) {
                    done(statError);
                    return;
                }
                done(null, entry);
                return;
            }
            entry.dirent = utils$g.fs.createDirentFromStats(entry.name, stats);
            done(null, entry);
        });
    };
}
function readdir$1(directory, settings, callback) {
    settings.fs.readdir(directory, (readdirError, names) => {
        if (readdirError !== null) {
            callFailureCallback$1(callback, readdirError);
            return;
        }
        const tasks = names.map((name) => {
            const path = common$c.joinPathSegments(directory, name, settings.pathSegmentSeparator);
            return (done) => {
                fsStat$5.stat(path, settings.fsStatSettings, (error, stats) => {
                    if (error !== null) {
                        done(error);
                        return;
                    }
                    const entry = {
                        name,
                        path,
                        dirent: utils$g.fs.createDirentFromStats(name, stats)
                    };
                    if (settings.stats) {
                        entry.stats = stats;
                    }
                    done(null, entry);
                });
            };
        });
        rpl(tasks, (rplError, entries) => {
            if (rplError !== null) {
                callFailureCallback$1(callback, rplError);
                return;
            }
            callSuccessCallback$1(callback, entries);
        });
    });
}
async$3.readdir = readdir$1;
function callFailureCallback$1(callback, error) {
    callback(error);
}
function callSuccessCallback$1(callback, result) {
    callback(null, result);
}

var sync$6 = {};

Object.defineProperty(sync$6, "__esModule", { value: true });
sync$6.readdir = sync$6.readdirWithFileTypes = sync$6.read = void 0;
const fsStat$4 = out$1;
const constants_1 = constants;
const utils$f = utils$h;
const common$b = common$d;
function read(directory, settings) {
    if (!settings.stats && constants_1.IS_SUPPORT_READDIR_WITH_FILE_TYPES) {
        return readdirWithFileTypes(directory, settings);
    }
    return readdir(directory, settings);
}
sync$6.read = read;
function readdirWithFileTypes(directory, settings) {
    const dirents = settings.fs.readdirSync(directory, { withFileTypes: true });
    return dirents.map((dirent) => {
        const entry = {
            dirent,
            name: dirent.name,
            path: common$b.joinPathSegments(directory, dirent.name, settings.pathSegmentSeparator)
        };
        if (entry.dirent.isSymbolicLink() && settings.followSymbolicLinks) {
            try {
                const stats = settings.fs.statSync(entry.path);
                entry.dirent = utils$f.fs.createDirentFromStats(entry.name, stats);
            }
            catch (error) {
                if (settings.throwErrorOnBrokenSymbolicLink) {
                    throw error;
                }
            }
        }
        return entry;
    });
}
sync$6.readdirWithFileTypes = readdirWithFileTypes;
function readdir(directory, settings) {
    const names = settings.fs.readdirSync(directory);
    return names.map((name) => {
        const entryPath = common$b.joinPathSegments(directory, name, settings.pathSegmentSeparator);
        const stats = fsStat$4.statSync(entryPath, settings.fsStatSettings);
        const entry = {
            name,
            path: entryPath,
            dirent: utils$f.fs.createDirentFromStats(name, stats)
        };
        if (settings.stats) {
            entry.stats = stats;
        }
        return entry;
    });
}
sync$6.readdir = readdir;

var settings$2 = {};

var fs$3 = {};

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.createFileSystemAdapter = exports.FILE_SYSTEM_ADAPTER = void 0;
	const fs = fs__default;
	exports.FILE_SYSTEM_ADAPTER = {
	    lstat: fs.lstat,
	    stat: fs.stat,
	    lstatSync: fs.lstatSync,
	    statSync: fs.statSync,
	    readdir: fs.readdir,
	    readdirSync: fs.readdirSync
	};
	function createFileSystemAdapter(fsMethods) {
	    if (fsMethods === undefined) {
	        return exports.FILE_SYSTEM_ADAPTER;
	    }
	    return Object.assign(Object.assign({}, exports.FILE_SYSTEM_ADAPTER), fsMethods);
	}
	exports.createFileSystemAdapter = createFileSystemAdapter; 
} (fs$3));

Object.defineProperty(settings$2, "__esModule", { value: true });
const path$6 = path$q;
const fsStat$3 = out$1;
const fs$2 = fs$3;
let Settings$1 = class Settings {
    constructor(_options = {}) {
        this._options = _options;
        this.followSymbolicLinks = this._getValue(this._options.followSymbolicLinks, false);
        this.fs = fs$2.createFileSystemAdapter(this._options.fs);
        this.pathSegmentSeparator = this._getValue(this._options.pathSegmentSeparator, path$6.sep);
        this.stats = this._getValue(this._options.stats, false);
        this.throwErrorOnBrokenSymbolicLink = this._getValue(this._options.throwErrorOnBrokenSymbolicLink, true);
        this.fsStatSettings = new fsStat$3.Settings({
            followSymbolicLink: this.followSymbolicLinks,
            fs: this.fs,
            throwErrorOnBrokenSymbolicLink: this.throwErrorOnBrokenSymbolicLink
        });
    }
    _getValue(option, value) {
        return option !== null && option !== void 0 ? option : value;
    }
};
settings$2.default = Settings$1;

Object.defineProperty(out$2, "__esModule", { value: true });
out$2.Settings = out$2.scandirSync = out$2.scandir = void 0;
const async = async$3;
const sync$5 = sync$6;
const settings_1$2 = settings$2;
out$2.Settings = settings_1$2.default;
function scandir(path, optionsOrSettingsOrCallback, callback) {
    if (typeof optionsOrSettingsOrCallback === 'function') {
        async.read(path, getSettings$1(), optionsOrSettingsOrCallback);
        return;
    }
    async.read(path, getSettings$1(optionsOrSettingsOrCallback), callback);
}
out$2.scandir = scandir;
function scandirSync(path, optionsOrSettings) {
    const settings = getSettings$1(optionsOrSettings);
    return sync$5.read(path, settings);
}
out$2.scandirSync = scandirSync;
function getSettings$1(settingsOrOptions = {}) {
    if (settingsOrOptions instanceof settings_1$2.default) {
        return settingsOrOptions;
    }
    return new settings_1$2.default(settingsOrOptions);
}

var queue = {exports: {}};

function reusify$1 (Constructor) {
  var head = new Constructor();
  var tail = head;

  function get () {
    var current = head;

    if (current.next) {
      head = current.next;
    } else {
      head = new Constructor();
      tail = head;
    }

    current.next = null;

    return current
  }

  function release (obj) {
    tail.next = obj;
    tail = obj;
  }

  return {
    get: get,
    release: release
  }
}

var reusify_1 = reusify$1;

/* eslint-disable no-var */

var reusify = reusify_1;

function fastqueue (context, worker, _concurrency) {
  if (typeof context === 'function') {
    _concurrency = worker;
    worker = context;
    context = null;
  }

  if (!(_concurrency >= 1)) {
    throw new Error('fastqueue concurrency must be equal to or greater than 1')
  }

  var cache = reusify(Task);
  var queueHead = null;
  var queueTail = null;
  var _running = 0;
  var errorHandler = null;

  var self = {
    push: push,
    drain: noop$1,
    saturated: noop$1,
    pause: pause,
    paused: false,

    get concurrency () {
      return _concurrency
    },
    set concurrency (value) {
      if (!(value >= 1)) {
        throw new Error('fastqueue concurrency must be equal to or greater than 1')
      }
      _concurrency = value;

      if (self.paused) return
      for (; queueHead && _running < _concurrency;) {
        _running++;
        release();
      }
    },

    running: running,
    resume: resume,
    idle: idle,
    length: length,
    getQueue: getQueue,
    unshift: unshift,
    empty: noop$1,
    kill: kill,
    killAndDrain: killAndDrain,
    error: error
  };

  return self

  function running () {
    return _running
  }

  function pause () {
    self.paused = true;
  }

  function length () {
    var current = queueHead;
    var counter = 0;

    while (current) {
      current = current.next;
      counter++;
    }

    return counter
  }

  function getQueue () {
    var current = queueHead;
    var tasks = [];

    while (current) {
      tasks.push(current.value);
      current = current.next;
    }

    return tasks
  }

  function resume () {
    if (!self.paused) return
    self.paused = false;
    if (queueHead === null) {
      _running++;
      release();
      return
    }
    for (; queueHead && _running < _concurrency;) {
      _running++;
      release();
    }
  }

  function idle () {
    return _running === 0 && self.length() === 0
  }

  function push (value, done) {
    var current = cache.get();

    current.context = context;
    current.release = release;
    current.value = value;
    current.callback = done || noop$1;
    current.errorHandler = errorHandler;

    if (_running >= _concurrency || self.paused) {
      if (queueTail) {
        queueTail.next = current;
        queueTail = current;
      } else {
        queueHead = current;
        queueTail = current;
        self.saturated();
      }
    } else {
      _running++;
      worker.call(context, current.value, current.worked);
    }
  }

  function unshift (value, done) {
    var current = cache.get();

    current.context = context;
    current.release = release;
    current.value = value;
    current.callback = done || noop$1;
    current.errorHandler = errorHandler;

    if (_running >= _concurrency || self.paused) {
      if (queueHead) {
        current.next = queueHead;
        queueHead = current;
      } else {
        queueHead = current;
        queueTail = current;
        self.saturated();
      }
    } else {
      _running++;
      worker.call(context, current.value, current.worked);
    }
  }

  function release (holder) {
    if (holder) {
      cache.release(holder);
    }
    var next = queueHead;
    if (next && _running <= _concurrency) {
      if (!self.paused) {
        if (queueTail === queueHead) {
          queueTail = null;
        }
        queueHead = next.next;
        next.next = null;
        worker.call(context, next.value, next.worked);
        if (queueTail === null) {
          self.empty();
        }
      } else {
        _running--;
      }
    } else if (--_running === 0) {
      self.drain();
    }
  }

  function kill () {
    queueHead = null;
    queueTail = null;
    self.drain = noop$1;
  }

  function killAndDrain () {
    queueHead = null;
    queueTail = null;
    self.drain();
    self.drain = noop$1;
  }

  function error (handler) {
    errorHandler = handler;
  }
}

function noop$1 () {}

function Task () {
  this.value = null;
  this.callback = noop$1;
  this.next = null;
  this.release = noop$1;
  this.context = null;
  this.errorHandler = null;

  var self = this;

  this.worked = function worked (err, result) {
    var callback = self.callback;
    var errorHandler = self.errorHandler;
    var val = self.value;
    self.value = null;
    self.callback = noop$1;
    if (self.errorHandler) {
      errorHandler(err, val);
    }
    callback.call(self.context, err, result);
    self.release(self);
  };
}

function queueAsPromised (context, worker, _concurrency) {
  if (typeof context === 'function') {
    _concurrency = worker;
    worker = context;
    context = null;
  }

  function asyncWrapper (arg, cb) {
    worker.call(this, arg)
      .then(function (res) {
        cb(null, res);
      }, cb);
  }

  var queue = fastqueue(context, asyncWrapper, _concurrency);

  var pushCb = queue.push;
  var unshiftCb = queue.unshift;

  queue.push = push;
  queue.unshift = unshift;
  queue.drained = drained;

  return queue

  function push (value) {
    var p = new Promise(function (resolve, reject) {
      pushCb(value, function (err, result) {
        if (err) {
          reject(err);
          return
        }
        resolve(result);
      });
    });

    // Let's fork the promise chain to
    // make the error bubble up to the user but
    // not lead to a unhandledRejection
    p.catch(noop$1);

    return p
  }

  function unshift (value) {
    var p = new Promise(function (resolve, reject) {
      unshiftCb(value, function (err, result) {
        if (err) {
          reject(err);
          return
        }
        resolve(result);
      });
    });

    // Let's fork the promise chain to
    // make the error bubble up to the user but
    // not lead to a unhandledRejection
    p.catch(noop$1);

    return p
  }

  function drained () {
    if (queue.idle()) {
      return new Promise(function (resolve) {
        resolve();
      })
    }

    var previousDrain = queue.drain;

    var p = new Promise(function (resolve) {
      queue.drain = function () {
        previousDrain();
        resolve();
      };
    });

    return p
  }
}

queue.exports = fastqueue;
queue.exports.promise = queueAsPromised;

var queueExports = queue.exports;

var common$a = {};

Object.defineProperty(common$a, "__esModule", { value: true });
common$a.joinPathSegments = common$a.replacePathSegmentSeparator = common$a.isAppliedFilter = common$a.isFatalError = void 0;
function isFatalError(settings, error) {
    if (settings.errorFilter === null) {
        return true;
    }
    return !settings.errorFilter(error);
}
common$a.isFatalError = isFatalError;
function isAppliedFilter(filter, value) {
    return filter === null || filter(value);
}
common$a.isAppliedFilter = isAppliedFilter;
function replacePathSegmentSeparator(filepath, separator) {
    return filepath.split(/[/\\]/).join(separator);
}
common$a.replacePathSegmentSeparator = replacePathSegmentSeparator;
function joinPathSegments(a, b, separator) {
    if (a === '') {
        return b;
    }
    /**
     * The correct handling of cases when the first segment is a root (`/`, `C:/`) or UNC path (`//?/C:/`).
     */
    if (a.endsWith(separator)) {
        return a + b;
    }
    return a + separator + b;
}
common$a.joinPathSegments = joinPathSegments;

var reader$1 = {};

Object.defineProperty(reader$1, "__esModule", { value: true });
const common$9 = common$a;
let Reader$1 = class Reader {
    constructor(_root, _settings) {
        this._root = _root;
        this._settings = _settings;
        this._root = common$9.replacePathSegmentSeparator(_root, _settings.pathSegmentSeparator);
    }
};
reader$1.default = Reader$1;

Object.defineProperty(async$4, "__esModule", { value: true });
const events_1 = require$$0$6;
const fsScandir$2 = out$2;
const fastq = queueExports;
const common$8 = common$a;
const reader_1$4 = reader$1;
class AsyncReader extends reader_1$4.default {
    constructor(_root, _settings) {
        super(_root, _settings);
        this._settings = _settings;
        this._scandir = fsScandir$2.scandir;
        this._emitter = new events_1.EventEmitter();
        this._queue = fastq(this._worker.bind(this), this._settings.concurrency);
        this._isFatalError = false;
        this._isDestroyed = false;
        this._queue.drain = () => {
            if (!this._isFatalError) {
                this._emitter.emit('end');
            }
        };
    }
    read() {
        this._isFatalError = false;
        this._isDestroyed = false;
        setImmediate(() => {
            this._pushToQueue(this._root, this._settings.basePath);
        });
        return this._emitter;
    }
    get isDestroyed() {
        return this._isDestroyed;
    }
    destroy() {
        if (this._isDestroyed) {
            throw new Error('The reader is already destroyed');
        }
        this._isDestroyed = true;
        this._queue.killAndDrain();
    }
    onEntry(callback) {
        this._emitter.on('entry', callback);
    }
    onError(callback) {
        this._emitter.once('error', callback);
    }
    onEnd(callback) {
        this._emitter.once('end', callback);
    }
    _pushToQueue(directory, base) {
        const queueItem = { directory, base };
        this._queue.push(queueItem, (error) => {
            if (error !== null) {
                this._handleError(error);
            }
        });
    }
    _worker(item, done) {
        this._scandir(item.directory, this._settings.fsScandirSettings, (error, entries) => {
            if (error !== null) {
                done(error, undefined);
                return;
            }
            for (const entry of entries) {
                this._handleEntry(entry, item.base);
            }
            done(null, undefined);
        });
    }
    _handleError(error) {
        if (this._isDestroyed || !common$8.isFatalError(this._settings, error)) {
            return;
        }
        this._isFatalError = true;
        this._isDestroyed = true;
        this._emitter.emit('error', error);
    }
    _handleEntry(entry, base) {
        if (this._isDestroyed || this._isFatalError) {
            return;
        }
        const fullpath = entry.path;
        if (base !== undefined) {
            entry.path = common$8.joinPathSegments(base, entry.name, this._settings.pathSegmentSeparator);
        }
        if (common$8.isAppliedFilter(this._settings.entryFilter, entry)) {
            this._emitEntry(entry);
        }
        if (entry.dirent.isDirectory() && common$8.isAppliedFilter(this._settings.deepFilter, entry)) {
            this._pushToQueue(fullpath, base === undefined ? undefined : entry.path);
        }
    }
    _emitEntry(entry) {
        this._emitter.emit('entry', entry);
    }
}
async$4.default = AsyncReader;

Object.defineProperty(async$5, "__esModule", { value: true });
const async_1$4 = async$4;
class AsyncProvider {
    constructor(_root, _settings) {
        this._root = _root;
        this._settings = _settings;
        this._reader = new async_1$4.default(this._root, this._settings);
        this._storage = [];
    }
    read(callback) {
        this._reader.onError((error) => {
            callFailureCallback(callback, error);
        });
        this._reader.onEntry((entry) => {
            this._storage.push(entry);
        });
        this._reader.onEnd(() => {
            callSuccessCallback(callback, this._storage);
        });
        this._reader.read();
    }
}
async$5.default = AsyncProvider;
function callFailureCallback(callback, error) {
    callback(error);
}
function callSuccessCallback(callback, entries) {
    callback(null, entries);
}

var stream$2 = {};

Object.defineProperty(stream$2, "__esModule", { value: true });
const stream_1$9 = require$$0$2;
const async_1$3 = async$4;
class StreamProvider {
    constructor(_root, _settings) {
        this._root = _root;
        this._settings = _settings;
        this._reader = new async_1$3.default(this._root, this._settings);
        this._stream = new stream_1$9.Readable({
            objectMode: true,
            read: () => { },
            destroy: () => {
                if (!this._reader.isDestroyed) {
                    this._reader.destroy();
                }
            }
        });
    }
    read() {
        this._reader.onError((error) => {
            this._stream.emit('error', error);
        });
        this._reader.onEntry((entry) => {
            this._stream.push(entry);
        });
        this._reader.onEnd(() => {
            this._stream.push(null);
        });
        this._reader.read();
        return this._stream;
    }
}
stream$2.default = StreamProvider;

var sync$4 = {};

var sync$3 = {};

Object.defineProperty(sync$3, "__esModule", { value: true });
const fsScandir$1 = out$2;
const common$7 = common$a;
const reader_1$3 = reader$1;
class SyncReader extends reader_1$3.default {
    constructor() {
        super(...arguments);
        this._scandir = fsScandir$1.scandirSync;
        this._storage = [];
        this._queue = new Set();
    }
    read() {
        this._pushToQueue(this._root, this._settings.basePath);
        this._handleQueue();
        return this._storage;
    }
    _pushToQueue(directory, base) {
        this._queue.add({ directory, base });
    }
    _handleQueue() {
        for (const item of this._queue.values()) {
            this._handleDirectory(item.directory, item.base);
        }
    }
    _handleDirectory(directory, base) {
        try {
            const entries = this._scandir(directory, this._settings.fsScandirSettings);
            for (const entry of entries) {
                this._handleEntry(entry, base);
            }
        }
        catch (error) {
            this._handleError(error);
        }
    }
    _handleError(error) {
        if (!common$7.isFatalError(this._settings, error)) {
            return;
        }
        throw error;
    }
    _handleEntry(entry, base) {
        const fullpath = entry.path;
        if (base !== undefined) {
            entry.path = common$7.joinPathSegments(base, entry.name, this._settings.pathSegmentSeparator);
        }
        if (common$7.isAppliedFilter(this._settings.entryFilter, entry)) {
            this._pushToStorage(entry);
        }
        if (entry.dirent.isDirectory() && common$7.isAppliedFilter(this._settings.deepFilter, entry)) {
            this._pushToQueue(fullpath, base === undefined ? undefined : entry.path);
        }
    }
    _pushToStorage(entry) {
        this._storage.push(entry);
    }
}
sync$3.default = SyncReader;

Object.defineProperty(sync$4, "__esModule", { value: true });
const sync_1$3 = sync$3;
class SyncProvider {
    constructor(_root, _settings) {
        this._root = _root;
        this._settings = _settings;
        this._reader = new sync_1$3.default(this._root, this._settings);
    }
    read() {
        return this._reader.read();
    }
}
sync$4.default = SyncProvider;

var settings$1 = {};

Object.defineProperty(settings$1, "__esModule", { value: true });
const path$5 = path$q;
const fsScandir = out$2;
class Settings {
    constructor(_options = {}) {
        this._options = _options;
        this.basePath = this._getValue(this._options.basePath, undefined);
        this.concurrency = this._getValue(this._options.concurrency, Number.POSITIVE_INFINITY);
        this.deepFilter = this._getValue(this._options.deepFilter, null);
        this.entryFilter = this._getValue(this._options.entryFilter, null);
        this.errorFilter = this._getValue(this._options.errorFilter, null);
        this.pathSegmentSeparator = this._getValue(this._options.pathSegmentSeparator, path$5.sep);
        this.fsScandirSettings = new fsScandir.Settings({
            followSymbolicLinks: this._options.followSymbolicLinks,
            fs: this._options.fs,
            pathSegmentSeparator: this._options.pathSegmentSeparator,
            stats: this._options.stats,
            throwErrorOnBrokenSymbolicLink: this._options.throwErrorOnBrokenSymbolicLink
        });
    }
    _getValue(option, value) {
        return option !== null && option !== void 0 ? option : value;
    }
}
settings$1.default = Settings;

Object.defineProperty(out$3, "__esModule", { value: true });
out$3.Settings = out$3.walkStream = out$3.walkSync = out$3.walk = void 0;
const async_1$2 = async$5;
const stream_1$8 = stream$2;
const sync_1$2 = sync$4;
const settings_1$1 = settings$1;
out$3.Settings = settings_1$1.default;
function walk(directory, optionsOrSettingsOrCallback, callback) {
    if (typeof optionsOrSettingsOrCallback === 'function') {
        new async_1$2.default(directory, getSettings()).read(optionsOrSettingsOrCallback);
        return;
    }
    new async_1$2.default(directory, getSettings(optionsOrSettingsOrCallback)).read(callback);
}
out$3.walk = walk;
function walkSync(directory, optionsOrSettings) {
    const settings = getSettings(optionsOrSettings);
    const provider = new sync_1$2.default(directory, settings);
    return provider.read();
}
out$3.walkSync = walkSync;
function walkStream(directory, optionsOrSettings) {
    const settings = getSettings(optionsOrSettings);
    const provider = new stream_1$8.default(directory, settings);
    return provider.read();
}
out$3.walkStream = walkStream;
function getSettings(settingsOrOptions = {}) {
    if (settingsOrOptions instanceof settings_1$1.default) {
        return settingsOrOptions;
    }
    return new settings_1$1.default(settingsOrOptions);
}

var reader = {};

Object.defineProperty(reader, "__esModule", { value: true });
const path$4 = path$q;
const fsStat$2 = out$1;
const utils$e = utils$s;
class Reader {
    constructor(_settings) {
        this._settings = _settings;
        this._fsStatSettings = new fsStat$2.Settings({
            followSymbolicLink: this._settings.followSymbolicLinks,
            fs: this._settings.fs,
            throwErrorOnBrokenSymbolicLink: this._settings.followSymbolicLinks
        });
    }
    _getFullEntryPath(filepath) {
        return path$4.resolve(this._settings.cwd, filepath);
    }
    _makeEntry(stats, pattern) {
        const entry = {
            name: pattern,
            path: pattern,
            dirent: utils$e.fs.createDirentFromStats(pattern, stats)
        };
        if (this._settings.stats) {
            entry.stats = stats;
        }
        return entry;
    }
    _isFatalError(error) {
        return !utils$e.errno.isEnoentCodeError(error) && !this._settings.suppressErrors;
    }
}
reader.default = Reader;

var stream$1 = {};

Object.defineProperty(stream$1, "__esModule", { value: true });
const stream_1$7 = require$$0$2;
const fsStat$1 = out$1;
const fsWalk$2 = out$3;
const reader_1$2 = reader;
class ReaderStream extends reader_1$2.default {
    constructor() {
        super(...arguments);
        this._walkStream = fsWalk$2.walkStream;
        this._stat = fsStat$1.stat;
    }
    dynamic(root, options) {
        return this._walkStream(root, options);
    }
    static(patterns, options) {
        const filepaths = patterns.map(this._getFullEntryPath, this);
        const stream = new stream_1$7.PassThrough({ objectMode: true });
        stream._write = (index, _enc, done) => {
            return this._getEntry(filepaths[index], patterns[index], options)
                .then((entry) => {
                if (entry !== null && options.entryFilter(entry)) {
                    stream.push(entry);
                }
                if (index === filepaths.length - 1) {
                    stream.end();
                }
                done();
            })
                .catch(done);
        };
        for (let i = 0; i < filepaths.length; i++) {
            stream.write(i);
        }
        return stream;
    }
    _getEntry(filepath, pattern, options) {
        return this._getStat(filepath)
            .then((stats) => this._makeEntry(stats, pattern))
            .catch((error) => {
            if (options.errorFilter(error)) {
                return null;
            }
            throw error;
        });
    }
    _getStat(filepath) {
        return new Promise((resolve, reject) => {
            this._stat(filepath, this._fsStatSettings, (error, stats) => {
                return error === null ? resolve(stats) : reject(error);
            });
        });
    }
}
stream$1.default = ReaderStream;

Object.defineProperty(async$6, "__esModule", { value: true });
const fsWalk$1 = out$3;
const reader_1$1 = reader;
const stream_1$6 = stream$1;
class ReaderAsync extends reader_1$1.default {
    constructor() {
        super(...arguments);
        this._walkAsync = fsWalk$1.walk;
        this._readerStream = new stream_1$6.default(this._settings);
    }
    dynamic(root, options) {
        return new Promise((resolve, reject) => {
            this._walkAsync(root, options, (error, entries) => {
                if (error === null) {
                    resolve(entries);
                }
                else {
                    reject(error);
                }
            });
        });
    }
    async static(patterns, options) {
        const entries = [];
        const stream = this._readerStream.static(patterns, options);
        // After #235, replace it with an asynchronous iterator.
        return new Promise((resolve, reject) => {
            stream.once('error', reject);
            stream.on('data', (entry) => entries.push(entry));
            stream.once('end', () => resolve(entries));
        });
    }
}
async$6.default = ReaderAsync;

var provider = {};

var deep = {};

var partial = {};

var matcher = {};

Object.defineProperty(matcher, "__esModule", { value: true });
const utils$d = utils$s;
class Matcher {
    constructor(_patterns, _settings, _micromatchOptions) {
        this._patterns = _patterns;
        this._settings = _settings;
        this._micromatchOptions = _micromatchOptions;
        this._storage = [];
        this._fillStorage();
    }
    _fillStorage() {
        for (const pattern of this._patterns) {
            const segments = this._getPatternSegments(pattern);
            const sections = this._splitSegmentsIntoSections(segments);
            this._storage.push({
                complete: sections.length <= 1,
                pattern,
                segments,
                sections
            });
        }
    }
    _getPatternSegments(pattern) {
        const parts = utils$d.pattern.getPatternParts(pattern, this._micromatchOptions);
        return parts.map((part) => {
            const dynamic = utils$d.pattern.isDynamicPattern(part, this._settings);
            if (!dynamic) {
                return {
                    dynamic: false,
                    pattern: part
                };
            }
            return {
                dynamic: true,
                pattern: part,
                patternRe: utils$d.pattern.makeRe(part, this._micromatchOptions)
            };
        });
    }
    _splitSegmentsIntoSections(segments) {
        return utils$d.array.splitWhen(segments, (segment) => segment.dynamic && utils$d.pattern.hasGlobStar(segment.pattern));
    }
}
matcher.default = Matcher;

Object.defineProperty(partial, "__esModule", { value: true });
const matcher_1 = matcher;
class PartialMatcher extends matcher_1.default {
    match(filepath) {
        const parts = filepath.split('/');
        const levels = parts.length;
        const patterns = this._storage.filter((info) => !info.complete || info.segments.length > levels);
        for (const pattern of patterns) {
            const section = pattern.sections[0];
            /**
             * In this case, the pattern has a globstar and we must read all directories unconditionally,
             * but only if the level has reached the end of the first group.
             *
             * fixtures/{a,b}/**
             *  ^ true/false  ^ always true
            */
            if (!pattern.complete && levels > section.length) {
                return true;
            }
            const match = parts.every((part, index) => {
                const segment = pattern.segments[index];
                if (segment.dynamic && segment.patternRe.test(part)) {
                    return true;
                }
                if (!segment.dynamic && segment.pattern === part) {
                    return true;
                }
                return false;
            });
            if (match) {
                return true;
            }
        }
        return false;
    }
}
partial.default = PartialMatcher;

Object.defineProperty(deep, "__esModule", { value: true });
const utils$c = utils$s;
const partial_1 = partial;
class DeepFilter {
    constructor(_settings, _micromatchOptions) {
        this._settings = _settings;
        this._micromatchOptions = _micromatchOptions;
    }
    getFilter(basePath, positive, negative) {
        const matcher = this._getMatcher(positive);
        const negativeRe = this._getNegativePatternsRe(negative);
        return (entry) => this._filter(basePath, entry, matcher, negativeRe);
    }
    _getMatcher(patterns) {
        return new partial_1.default(patterns, this._settings, this._micromatchOptions);
    }
    _getNegativePatternsRe(patterns) {
        const affectDepthOfReadingPatterns = patterns.filter(utils$c.pattern.isAffectDepthOfReadingPattern);
        return utils$c.pattern.convertPatternsToRe(affectDepthOfReadingPatterns, this._micromatchOptions);
    }
    _filter(basePath, entry, matcher, negativeRe) {
        if (this._isSkippedByDeep(basePath, entry.path)) {
            return false;
        }
        if (this._isSkippedSymbolicLink(entry)) {
            return false;
        }
        const filepath = utils$c.path.removeLeadingDotSegment(entry.path);
        if (this._isSkippedByPositivePatterns(filepath, matcher)) {
            return false;
        }
        return this._isSkippedByNegativePatterns(filepath, negativeRe);
    }
    _isSkippedByDeep(basePath, entryPath) {
        /**
         * Avoid unnecessary depth calculations when it doesn't matter.
         */
        if (this._settings.deep === Infinity) {
            return false;
        }
        return this._getEntryLevel(basePath, entryPath) >= this._settings.deep;
    }
    _getEntryLevel(basePath, entryPath) {
        const entryPathDepth = entryPath.split('/').length;
        if (basePath === '') {
            return entryPathDepth;
        }
        const basePathDepth = basePath.split('/').length;
        return entryPathDepth - basePathDepth;
    }
    _isSkippedSymbolicLink(entry) {
        return !this._settings.followSymbolicLinks && entry.dirent.isSymbolicLink();
    }
    _isSkippedByPositivePatterns(entryPath, matcher) {
        return !this._settings.baseNameMatch && !matcher.match(entryPath);
    }
    _isSkippedByNegativePatterns(entryPath, patternsRe) {
        return !utils$c.pattern.matchAny(entryPath, patternsRe);
    }
}
deep.default = DeepFilter;

var entry$1 = {};

Object.defineProperty(entry$1, "__esModule", { value: true });
const utils$b = utils$s;
class EntryFilter {
    constructor(_settings, _micromatchOptions) {
        this._settings = _settings;
        this._micromatchOptions = _micromatchOptions;
        this.index = new Map();
    }
    getFilter(positive, negative) {
        const positiveRe = utils$b.pattern.convertPatternsToRe(positive, this._micromatchOptions);
        const negativeRe = utils$b.pattern.convertPatternsToRe(negative, Object.assign(Object.assign({}, this._micromatchOptions), { dot: true }));
        return (entry) => this._filter(entry, positiveRe, negativeRe);
    }
    _filter(entry, positiveRe, negativeRe) {
        const filepath = utils$b.path.removeLeadingDotSegment(entry.path);
        if (this._settings.unique && this._isDuplicateEntry(filepath)) {
            return false;
        }
        if (this._onlyFileFilter(entry) || this._onlyDirectoryFilter(entry)) {
            return false;
        }
        if (this._isSkippedByAbsoluteNegativePatterns(filepath, negativeRe)) {
            return false;
        }
        const isDirectory = entry.dirent.isDirectory();
        const isMatched = this._isMatchToPatterns(filepath, positiveRe, isDirectory) && !this._isMatchToPatterns(filepath, negativeRe, isDirectory);
        if (this._settings.unique && isMatched) {
            this._createIndexRecord(filepath);
        }
        return isMatched;
    }
    _isDuplicateEntry(filepath) {
        return this.index.has(filepath);
    }
    _createIndexRecord(filepath) {
        this.index.set(filepath, undefined);
    }
    _onlyFileFilter(entry) {
        return this._settings.onlyFiles && !entry.dirent.isFile();
    }
    _onlyDirectoryFilter(entry) {
        return this._settings.onlyDirectories && !entry.dirent.isDirectory();
    }
    _isSkippedByAbsoluteNegativePatterns(entryPath, patternsRe) {
        if (!this._settings.absolute) {
            return false;
        }
        const fullpath = utils$b.path.makeAbsolute(this._settings.cwd, entryPath);
        return utils$b.pattern.matchAny(fullpath, patternsRe);
    }
    _isMatchToPatterns(filepath, patternsRe, isDirectory) {
        // Trying to match files and directories by patterns.
        const isMatched = utils$b.pattern.matchAny(filepath, patternsRe);
        // A pattern with a trailling slash can be used for directory matching.
        // To apply such pattern, we need to add a tralling slash to the path.
        if (!isMatched && isDirectory) {
            return utils$b.pattern.matchAny(filepath + '/', patternsRe);
        }
        return isMatched;
    }
}
entry$1.default = EntryFilter;

var error$1 = {};

Object.defineProperty(error$1, "__esModule", { value: true });
const utils$a = utils$s;
class ErrorFilter {
    constructor(_settings) {
        this._settings = _settings;
    }
    getFilter() {
        return (error) => this._isNonFatalError(error);
    }
    _isNonFatalError(error) {
        return utils$a.errno.isEnoentCodeError(error) || this._settings.suppressErrors;
    }
}
error$1.default = ErrorFilter;

var entry = {};

Object.defineProperty(entry, "__esModule", { value: true });
const utils$9 = utils$s;
class EntryTransformer {
    constructor(_settings) {
        this._settings = _settings;
    }
    getTransformer() {
        return (entry) => this._transform(entry);
    }
    _transform(entry) {
        let filepath = entry.path;
        if (this._settings.absolute) {
            filepath = utils$9.path.makeAbsolute(this._settings.cwd, filepath);
            filepath = utils$9.path.unixify(filepath);
        }
        if (this._settings.markDirectories && entry.dirent.isDirectory()) {
            filepath += '/';
        }
        if (!this._settings.objectMode) {
            return filepath;
        }
        return Object.assign(Object.assign({}, entry), { path: filepath });
    }
}
entry.default = EntryTransformer;

Object.defineProperty(provider, "__esModule", { value: true });
const path$3 = path$q;
const deep_1 = deep;
const entry_1 = entry$1;
const error_1 = error$1;
const entry_2 = entry;
class Provider {
    constructor(_settings) {
        this._settings = _settings;
        this.errorFilter = new error_1.default(this._settings);
        this.entryFilter = new entry_1.default(this._settings, this._getMicromatchOptions());
        this.deepFilter = new deep_1.default(this._settings, this._getMicromatchOptions());
        this.entryTransformer = new entry_2.default(this._settings);
    }
    _getRootDirectory(task) {
        return path$3.resolve(this._settings.cwd, task.base);
    }
    _getReaderOptions(task) {
        const basePath = task.base === '.' ? '' : task.base;
        return {
            basePath,
            pathSegmentSeparator: '/',
            concurrency: this._settings.concurrency,
            deepFilter: this.deepFilter.getFilter(basePath, task.positive, task.negative),
            entryFilter: this.entryFilter.getFilter(task.positive, task.negative),
            errorFilter: this.errorFilter.getFilter(),
            followSymbolicLinks: this._settings.followSymbolicLinks,
            fs: this._settings.fs,
            stats: this._settings.stats,
            throwErrorOnBrokenSymbolicLink: this._settings.throwErrorOnBrokenSymbolicLink,
            transform: this.entryTransformer.getTransformer()
        };
    }
    _getMicromatchOptions() {
        return {
            dot: this._settings.dot,
            matchBase: this._settings.baseNameMatch,
            nobrace: !this._settings.braceExpansion,
            nocase: !this._settings.caseSensitiveMatch,
            noext: !this._settings.extglob,
            noglobstar: !this._settings.globstar,
            posix: true,
            strictSlashes: false
        };
    }
}
provider.default = Provider;

Object.defineProperty(async$7, "__esModule", { value: true });
const async_1$1 = async$6;
const provider_1$2 = provider;
class ProviderAsync extends provider_1$2.default {
    constructor() {
        super(...arguments);
        this._reader = new async_1$1.default(this._settings);
    }
    async read(task) {
        const root = this._getRootDirectory(task);
        const options = this._getReaderOptions(task);
        const entries = await this.api(root, task, options);
        return entries.map((entry) => options.transform(entry));
    }
    api(root, task, options) {
        if (task.dynamic) {
            return this._reader.dynamic(root, options);
        }
        return this._reader.static(task.patterns, options);
    }
}
async$7.default = ProviderAsync;

var stream = {};

Object.defineProperty(stream, "__esModule", { value: true });
const stream_1$5 = require$$0$2;
const stream_2 = stream$1;
const provider_1$1 = provider;
class ProviderStream extends provider_1$1.default {
    constructor() {
        super(...arguments);
        this._reader = new stream_2.default(this._settings);
    }
    read(task) {
        const root = this._getRootDirectory(task);
        const options = this._getReaderOptions(task);
        const source = this.api(root, task, options);
        const destination = new stream_1$5.Readable({ objectMode: true, read: () => { } });
        source
            .once('error', (error) => destination.emit('error', error))
            .on('data', (entry) => destination.emit('data', options.transform(entry)))
            .once('end', () => destination.emit('end'));
        destination
            .once('close', () => source.destroy());
        return destination;
    }
    api(root, task, options) {
        if (task.dynamic) {
            return this._reader.dynamic(root, options);
        }
        return this._reader.static(task.patterns, options);
    }
}
stream.default = ProviderStream;

var sync$2 = {};

var sync$1 = {};

Object.defineProperty(sync$1, "__esModule", { value: true });
const fsStat = out$1;
const fsWalk = out$3;
const reader_1 = reader;
class ReaderSync extends reader_1.default {
    constructor() {
        super(...arguments);
        this._walkSync = fsWalk.walkSync;
        this._statSync = fsStat.statSync;
    }
    dynamic(root, options) {
        return this._walkSync(root, options);
    }
    static(patterns, options) {
        const entries = [];
        for (const pattern of patterns) {
            const filepath = this._getFullEntryPath(pattern);
            const entry = this._getEntry(filepath, pattern, options);
            if (entry === null || !options.entryFilter(entry)) {
                continue;
            }
            entries.push(entry);
        }
        return entries;
    }
    _getEntry(filepath, pattern, options) {
        try {
            const stats = this._getStat(filepath);
            return this._makeEntry(stats, pattern);
        }
        catch (error) {
            if (options.errorFilter(error)) {
                return null;
            }
            throw error;
        }
    }
    _getStat(filepath) {
        return this._statSync(filepath, this._fsStatSettings);
    }
}
sync$1.default = ReaderSync;

Object.defineProperty(sync$2, "__esModule", { value: true });
const sync_1$1 = sync$1;
const provider_1 = provider;
class ProviderSync extends provider_1.default {
    constructor() {
        super(...arguments);
        this._reader = new sync_1$1.default(this._settings);
    }
    read(task) {
        const root = this._getRootDirectory(task);
        const options = this._getReaderOptions(task);
        const entries = this.api(root, task, options);
        return entries.map(options.transform);
    }
    api(root, task, options) {
        if (task.dynamic) {
            return this._reader.dynamic(root, options);
        }
        return this._reader.static(task.patterns, options);
    }
}
sync$2.default = ProviderSync;

var settings = {};

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.DEFAULT_FILE_SYSTEM_ADAPTER = void 0;
	const fs = fs__default;
	const os = require$$0$5;
	/**
	 * The `os.cpus` method can return zero. We expect the number of cores to be greater than zero.
	 * https://github.com/nodejs/node/blob/7faeddf23a98c53896f8b574a6e66589e8fb1eb8/lib/os.js#L106-L107
	 */
	const CPU_COUNT = Math.max(os.cpus().length, 1);
	exports.DEFAULT_FILE_SYSTEM_ADAPTER = {
	    lstat: fs.lstat,
	    lstatSync: fs.lstatSync,
	    stat: fs.stat,
	    statSync: fs.statSync,
	    readdir: fs.readdir,
	    readdirSync: fs.readdirSync
	};
	class Settings {
	    constructor(_options = {}) {
	        this._options = _options;
	        this.absolute = this._getValue(this._options.absolute, false);
	        this.baseNameMatch = this._getValue(this._options.baseNameMatch, false);
	        this.braceExpansion = this._getValue(this._options.braceExpansion, true);
	        this.caseSensitiveMatch = this._getValue(this._options.caseSensitiveMatch, true);
	        this.concurrency = this._getValue(this._options.concurrency, CPU_COUNT);
	        this.cwd = this._getValue(this._options.cwd, process.cwd());
	        this.deep = this._getValue(this._options.deep, Infinity);
	        this.dot = this._getValue(this._options.dot, false);
	        this.extglob = this._getValue(this._options.extglob, true);
	        this.followSymbolicLinks = this._getValue(this._options.followSymbolicLinks, true);
	        this.fs = this._getFileSystemMethods(this._options.fs);
	        this.globstar = this._getValue(this._options.globstar, true);
	        this.ignore = this._getValue(this._options.ignore, []);
	        this.markDirectories = this._getValue(this._options.markDirectories, false);
	        this.objectMode = this._getValue(this._options.objectMode, false);
	        this.onlyDirectories = this._getValue(this._options.onlyDirectories, false);
	        this.onlyFiles = this._getValue(this._options.onlyFiles, true);
	        this.stats = this._getValue(this._options.stats, false);
	        this.suppressErrors = this._getValue(this._options.suppressErrors, false);
	        this.throwErrorOnBrokenSymbolicLink = this._getValue(this._options.throwErrorOnBrokenSymbolicLink, false);
	        this.unique = this._getValue(this._options.unique, true);
	        if (this.onlyDirectories) {
	            this.onlyFiles = false;
	        }
	        if (this.stats) {
	            this.objectMode = true;
	        }
	        // Remove the cast to the array in the next major (#404).
	        this.ignore = [].concat(this.ignore);
	    }
	    _getValue(option, value) {
	        return option === undefined ? value : option;
	    }
	    _getFileSystemMethods(methods = {}) {
	        return Object.assign(Object.assign({}, exports.DEFAULT_FILE_SYSTEM_ADAPTER), methods);
	    }
	}
	exports.default = Settings; 
} (settings));

const taskManager = tasks;
const async_1 = async$7;
const stream_1$4 = stream;
const sync_1 = sync$2;
const settings_1 = settings;
const utils$8 = utils$s;
async function FastGlob(source, options) {
    assertPatternsInput(source);
    const works = getWorks(source, async_1.default, options);
    const result = await Promise.all(works);
    return utils$8.array.flatten(result);
}
// https://github.com/typescript-eslint/typescript-eslint/issues/60
// eslint-disable-next-line no-redeclare
(function (FastGlob) {
    FastGlob.glob = FastGlob;
    FastGlob.globSync = sync;
    FastGlob.globStream = stream;
    FastGlob.async = FastGlob;
    function sync(source, options) {
        assertPatternsInput(source);
        const works = getWorks(source, sync_1.default, options);
        return utils$8.array.flatten(works);
    }
    FastGlob.sync = sync;
    function stream(source, options) {
        assertPatternsInput(source);
        const works = getWorks(source, stream_1$4.default, options);
        /**
         * The stream returned by the provider cannot work with an asynchronous iterator.
         * To support asynchronous iterators, regardless of the number of tasks, we always multiplex streams.
         * This affects performance (+25%). I don't see best solution right now.
         */
        return utils$8.stream.merge(works);
    }
    FastGlob.stream = stream;
    function generateTasks(source, options) {
        assertPatternsInput(source);
        const patterns = [].concat(source);
        const settings = new settings_1.default(options);
        return taskManager.generate(patterns, settings);
    }
    FastGlob.generateTasks = generateTasks;
    function isDynamicPattern(source, options) {
        assertPatternsInput(source);
        const settings = new settings_1.default(options);
        return utils$8.pattern.isDynamicPattern(source, settings);
    }
    FastGlob.isDynamicPattern = isDynamicPattern;
    function escapePath(source) {
        assertPatternsInput(source);
        return utils$8.path.escape(source);
    }
    FastGlob.escapePath = escapePath;
    function convertPathToPattern(source) {
        assertPatternsInput(source);
        return utils$8.path.convertPathToPattern(source);
    }
    FastGlob.convertPathToPattern = convertPathToPattern;
    (function (posix) {
        function escapePath(source) {
            assertPatternsInput(source);
            return utils$8.path.escapePosixPath(source);
        }
        posix.escapePath = escapePath;
        function convertPathToPattern(source) {
            assertPatternsInput(source);
            return utils$8.path.convertPosixPathToPattern(source);
        }
        posix.convertPathToPattern = convertPathToPattern;
    })(FastGlob.posix || (FastGlob.posix = {}));
    (function (win32) {
        function escapePath(source) {
            assertPatternsInput(source);
            return utils$8.path.escapeWindowsPath(source);
        }
        win32.escapePath = escapePath;
        function convertPathToPattern(source) {
            assertPatternsInput(source);
            return utils$8.path.convertWindowsPathToPattern(source);
        }
        win32.convertPathToPattern = convertPathToPattern;
    })(FastGlob.win32 || (FastGlob.win32 = {}));
})(FastGlob || (FastGlob = {}));
function getWorks(source, _Provider, options) {
    const patterns = [].concat(source);
    const settings = new settings_1.default(options);
    const tasks = taskManager.generate(patterns, settings);
    const provider = new _Provider(settings);
    return tasks.map(provider.read, provider);
}
function assertPatternsInput(input) {
    const source = [].concat(input);
    const isValidSource = source.every((item) => utils$8.string.isString(item) && !utils$8.string.isEmpty(item));
    if (!isValidSource) {
        throw new TypeError('Patterns must be a string (non empty) or an array of strings');
    }
}
var out = FastGlob;

var glob = /*@__PURE__*/getDefaultExportFromCjs(out);

/**
 * Tokenize input string.
 */
function lexer(str) {
    var tokens = [];
    var i = 0;
    while (i < str.length) {
        var char = str[i];
        if (char === "*" || char === "+" || char === "?") {
            tokens.push({ type: "MODIFIER", index: i, value: str[i++] });
            continue;
        }
        if (char === "\\") {
            tokens.push({ type: "ESCAPED_CHAR", index: i++, value: str[i++] });
            continue;
        }
        if (char === "{") {
            tokens.push({ type: "OPEN", index: i, value: str[i++] });
            continue;
        }
        if (char === "}") {
            tokens.push({ type: "CLOSE", index: i, value: str[i++] });
            continue;
        }
        if (char === ":") {
            var name = "";
            var j = i + 1;
            while (j < str.length) {
                var code = str.charCodeAt(j);
                if (
                // `0-9`
                (code >= 48 && code <= 57) ||
                    // `A-Z`
                    (code >= 65 && code <= 90) ||
                    // `a-z`
                    (code >= 97 && code <= 122) ||
                    // `_`
                    code === 95) {
                    name += str[j++];
                    continue;
                }
                break;
            }
            if (!name)
                throw new TypeError("Missing parameter name at ".concat(i));
            tokens.push({ type: "NAME", index: i, value: name });
            i = j;
            continue;
        }
        if (char === "(") {
            var count = 1;
            var pattern = "";
            var j = i + 1;
            if (str[j] === "?") {
                throw new TypeError("Pattern cannot start with \"?\" at ".concat(j));
            }
            while (j < str.length) {
                if (str[j] === "\\") {
                    pattern += str[j++] + str[j++];
                    continue;
                }
                if (str[j] === ")") {
                    count--;
                    if (count === 0) {
                        j++;
                        break;
                    }
                }
                else if (str[j] === "(") {
                    count++;
                    if (str[j + 1] !== "?") {
                        throw new TypeError("Capturing groups are not allowed at ".concat(j));
                    }
                }
                pattern += str[j++];
            }
            if (count)
                throw new TypeError("Unbalanced pattern at ".concat(i));
            if (!pattern)
                throw new TypeError("Missing pattern at ".concat(i));
            tokens.push({ type: "PATTERN", index: i, value: pattern });
            i = j;
            continue;
        }
        tokens.push({ type: "CHAR", index: i, value: str[i++] });
    }
    tokens.push({ type: "END", index: i, value: "" });
    return tokens;
}
/**
 * Parse a string for the raw tokens.
 */
function parse$6(str, options) {
    if (options === void 0) { options = {}; }
    var tokens = lexer(str);
    var _a = options.prefixes, prefixes = _a === void 0 ? "./" : _a;
    var defaultPattern = "[^".concat(escapeString$1(options.delimiter || "/#?"), "]+?");
    var result = [];
    var key = 0;
    var i = 0;
    var path = "";
    var tryConsume = function (type) {
        if (i < tokens.length && tokens[i].type === type)
            return tokens[i++].value;
    };
    var mustConsume = function (type) {
        var value = tryConsume(type);
        if (value !== undefined)
            return value;
        var _a = tokens[i], nextType = _a.type, index = _a.index;
        throw new TypeError("Unexpected ".concat(nextType, " at ").concat(index, ", expected ").concat(type));
    };
    var consumeText = function () {
        var result = "";
        var value;
        while ((value = tryConsume("CHAR") || tryConsume("ESCAPED_CHAR"))) {
            result += value;
        }
        return result;
    };
    while (i < tokens.length) {
        var char = tryConsume("CHAR");
        var name = tryConsume("NAME");
        var pattern = tryConsume("PATTERN");
        if (name || pattern) {
            var prefix = char || "";
            if (prefixes.indexOf(prefix) === -1) {
                path += prefix;
                prefix = "";
            }
            if (path) {
                result.push(path);
                path = "";
            }
            result.push({
                name: name || key++,
                prefix: prefix,
                suffix: "",
                pattern: pattern || defaultPattern,
                modifier: tryConsume("MODIFIER") || "",
            });
            continue;
        }
        var value = char || tryConsume("ESCAPED_CHAR");
        if (value) {
            path += value;
            continue;
        }
        if (path) {
            result.push(path);
            path = "";
        }
        var open = tryConsume("OPEN");
        if (open) {
            var prefix = consumeText();
            var name_1 = tryConsume("NAME") || "";
            var pattern_1 = tryConsume("PATTERN") || "";
            var suffix = consumeText();
            mustConsume("CLOSE");
            result.push({
                name: name_1 || (pattern_1 ? key++ : ""),
                pattern: name_1 && !pattern_1 ? defaultPattern : pattern_1,
                prefix: prefix,
                suffix: suffix,
                modifier: tryConsume("MODIFIER") || "",
            });
            continue;
        }
        mustConsume("END");
    }
    return result;
}
/**
 * Compile a string to a template function for the path.
 */
function compile$1(str, options) {
    return tokensToFunction(parse$6(str, options), options);
}
/**
 * Expose a method for transforming tokens into the path function.
 */
function tokensToFunction(tokens, options) {
    if (options === void 0) { options = {}; }
    var reFlags = flags(options);
    var _a = options.encode, encode = _a === void 0 ? function (x) { return x; } : _a, _b = options.validate, validate = _b === void 0 ? true : _b;
    // Compile all the tokens into regexps.
    var matches = tokens.map(function (token) {
        if (typeof token === "object") {
            return new RegExp("^(?:".concat(token.pattern, ")$"), reFlags);
        }
    });
    return function (data) {
        var path = "";
        for (var i = 0; i < tokens.length; i++) {
            var token = tokens[i];
            if (typeof token === "string") {
                path += token;
                continue;
            }
            var value = data ? data[token.name] : undefined;
            var optional = token.modifier === "?" || token.modifier === "*";
            var repeat = token.modifier === "*" || token.modifier === "+";
            if (Array.isArray(value)) {
                if (!repeat) {
                    throw new TypeError("Expected \"".concat(token.name, "\" to not repeat, but got an array"));
                }
                if (value.length === 0) {
                    if (optional)
                        continue;
                    throw new TypeError("Expected \"".concat(token.name, "\" to not be empty"));
                }
                for (var j = 0; j < value.length; j++) {
                    var segment = encode(value[j], token);
                    if (validate && !matches[i].test(segment)) {
                        throw new TypeError("Expected all \"".concat(token.name, "\" to match \"").concat(token.pattern, "\", but got \"").concat(segment, "\""));
                    }
                    path += token.prefix + segment + token.suffix;
                }
                continue;
            }
            if (typeof value === "string" || typeof value === "number") {
                var segment = encode(String(value), token);
                if (validate && !matches[i].test(segment)) {
                    throw new TypeError("Expected \"".concat(token.name, "\" to match \"").concat(token.pattern, "\", but got \"").concat(segment, "\""));
                }
                path += token.prefix + segment + token.suffix;
                continue;
            }
            if (optional)
                continue;
            var typeOfMessage = repeat ? "an array" : "a string";
            throw new TypeError("Expected \"".concat(token.name, "\" to be ").concat(typeOfMessage));
        }
        return path;
    };
}
/**
 * Create path match function from `path-to-regexp` spec.
 */
function match(str, options) {
    var keys = [];
    var re = pathToRegexp(str, keys, options);
    return regexpToFunction(re, keys, options);
}
/**
 * Create a path match function from `path-to-regexp` output.
 */
function regexpToFunction(re, keys, options) {
    if (options === void 0) { options = {}; }
    var _a = options.decode, decode = _a === void 0 ? function (x) { return x; } : _a;
    return function (pathname) {
        var m = re.exec(pathname);
        if (!m)
            return false;
        var path = m[0], index = m.index;
        var params = Object.create(null);
        var _loop_1 = function (i) {
            if (m[i] === undefined)
                return "continue";
            var key = keys[i - 1];
            if (key.modifier === "*" || key.modifier === "+") {
                params[key.name] = m[i].split(key.prefix + key.suffix).map(function (value) {
                    return decode(value, key);
                });
            }
            else {
                params[key.name] = decode(m[i], key);
            }
        };
        for (var i = 1; i < m.length; i++) {
            _loop_1(i);
        }
        return { path: path, index: index, params: params };
    };
}
/**
 * Escape a regular expression string.
 */
function escapeString$1(str) {
    return str.replace(/([.+*?=^!:${}()[\]|/\\])/g, "\\$1");
}
/**
 * Get the flags for a regexp from the options.
 */
function flags(options) {
    return options && options.sensitive ? "" : "i";
}
/**
 * Pull out keys from a regexp.
 */
function regexpToRegexp(path, keys) {
    if (!keys)
        return path;
    var groupsRegex = /\((?:\?<(.*?)>)?(?!\?)/g;
    var index = 0;
    var execResult = groupsRegex.exec(path.source);
    while (execResult) {
        keys.push({
            // Use parenthesized substring match if available, index otherwise
            name: execResult[1] || index++,
            prefix: "",
            suffix: "",
            modifier: "",
            pattern: "",
        });
        execResult = groupsRegex.exec(path.source);
    }
    return path;
}
/**
 * Transform an array into a regexp.
 */
function arrayToRegexp(paths, keys, options) {
    var parts = paths.map(function (path) { return pathToRegexp(path, keys, options).source; });
    return new RegExp("(?:".concat(parts.join("|"), ")"), flags(options));
}
/**
 * Create a path regexp from string input.
 */
function stringToRegexp(path, keys, options) {
    return tokensToRegexp(parse$6(path, options), keys, options);
}
/**
 * Expose a function for taking tokens and returning a RegExp.
 */
function tokensToRegexp(tokens, keys, options) {
    if (options === void 0) { options = {}; }
    var _a = options.strict, strict = _a === void 0 ? false : _a, _b = options.start, start = _b === void 0 ? true : _b, _c = options.end, end = _c === void 0 ? true : _c, _d = options.encode, encode = _d === void 0 ? function (x) { return x; } : _d, _e = options.delimiter, delimiter = _e === void 0 ? "/#?" : _e, _f = options.endsWith, endsWith = _f === void 0 ? "" : _f;
    var endsWithRe = "[".concat(escapeString$1(endsWith), "]|$");
    var delimiterRe = "[".concat(escapeString$1(delimiter), "]");
    var route = start ? "^" : "";
    // Iterate over the tokens and create our regexp string.
    for (var _i = 0, tokens_1 = tokens; _i < tokens_1.length; _i++) {
        var token = tokens_1[_i];
        if (typeof token === "string") {
            route += escapeString$1(encode(token));
        }
        else {
            var prefix = escapeString$1(encode(token.prefix));
            var suffix = escapeString$1(encode(token.suffix));
            if (token.pattern) {
                if (keys)
                    keys.push(token);
                if (prefix || suffix) {
                    if (token.modifier === "+" || token.modifier === "*") {
                        var mod = token.modifier === "*" ? "?" : "";
                        route += "(?:".concat(prefix, "((?:").concat(token.pattern, ")(?:").concat(suffix).concat(prefix, "(?:").concat(token.pattern, "))*)").concat(suffix, ")").concat(mod);
                    }
                    else {
                        route += "(?:".concat(prefix, "(").concat(token.pattern, ")").concat(suffix, ")").concat(token.modifier);
                    }
                }
                else {
                    if (token.modifier === "+" || token.modifier === "*") {
                        route += "((?:".concat(token.pattern, ")").concat(token.modifier, ")");
                    }
                    else {
                        route += "(".concat(token.pattern, ")").concat(token.modifier);
                    }
                }
            }
            else {
                route += "(?:".concat(prefix).concat(suffix, ")").concat(token.modifier);
            }
        }
    }
    if (end) {
        if (!strict)
            route += "".concat(delimiterRe, "?");
        route += !options.endsWith ? "$" : "(?=".concat(endsWithRe, ")");
    }
    else {
        var endToken = tokens[tokens.length - 1];
        var isEndDelimited = typeof endToken === "string"
            ? delimiterRe.indexOf(endToken[endToken.length - 1]) > -1
            : endToken === undefined;
        if (!strict) {
            route += "(?:".concat(delimiterRe, "(?=").concat(endsWithRe, "))?");
        }
        if (!isEndDelimited) {
            route += "(?=".concat(delimiterRe, "|").concat(endsWithRe, ")");
        }
    }
    return new RegExp(route, flags(options));
}
/**
 * Normalize the given path string, returning a regular expression.
 *
 * An empty array can be passed in for the keys, which will hold the
 * placeholder key descriptions. For example, using `/user/:id`, `keys` will
 * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.
 */
function pathToRegexp(path, keys, options) {
    if (path instanceof RegExp)
        return regexpToRegexp(path, keys);
    if (Array.isArray(path))
        return arrayToRegexp(path, keys, options);
    return stringToRegexp(path, keys, options);
}

function resolveRewrites(pages, userRewrites) {
  const rewriteRules = Object.entries(userRewrites || {}).map(([from, to]) => ({
    toPath: compile$1(`/${to}`, { validate: false }),
    matchUrl: match(from.startsWith("^") ? new RegExp(from) : from)
  }));
  const pageToRewrite = {};
  const rewriteToPage = {};
  if (rewriteRules.length) {
    for (const page of pages) {
      for (const { matchUrl, toPath } of rewriteRules) {
        const res = matchUrl(page);
        if (res) {
          const dest = toPath(res.params).slice(1);
          pageToRewrite[page] = dest;
          rewriteToPage[dest] = page;
          break;
        }
      }
    }
  }
  return {
    map: pageToRewrite,
    inv: rewriteToPage
  };
}
const rewritesPlugin = (config) => {
  return {
    name: "vitepress:rewrites",
    configureServer(server) {
      server.middlewares.use((req, _res, next) => {
        if (req.url) {
          const page = decodeURI(req.url).replace(/[?#].*$/, "").slice(config.site.base.length);
          if (config.rewrites.inv[page]) {
            req.url = req.url.replace(
              encodeURI(page),
              encodeURI(config.rewrites.inv[page])
            );
          }
        }
        next();
      });
    }
  };
};

const dynamicRouteRE = /\[(\w+?)\]/g;
async function resolvePages(srcDir, userConfig, logger) {
  const allMarkdownFiles = (await glob(["**.md"], {
    cwd: srcDir,
    ignore: [
      "**/node_modules/**",
      "**/dist/**",
      ...userConfig.srcExclude || []
    ]
  })).sort();
  const pages = [];
  const dynamicRouteFiles = [];
  allMarkdownFiles.forEach((file) => {
    dynamicRouteRE.lastIndex = 0;
    (dynamicRouteRE.test(file) ? dynamicRouteFiles : pages).push(file);
  });
  const dynamicRoutes = await resolveDynamicRoutes(
    srcDir,
    dynamicRouteFiles,
    logger
  );
  pages.push(...dynamicRoutes.routes.map((r) => r.path));
  const rewrites = resolveRewrites(pages, userConfig.rewrites);
  return {
    pages,
    dynamicRoutes,
    rewrites
  };
}
const routeModuleCache = /* @__PURE__ */ new Map();
const dynamicRoutesPlugin = async (config) => {
  let server;
  return {
    name: "vitepress:dynamic-routes",
    configureServer(_server) {
      server = _server;
    },
    resolveId(id) {
      if (!id.endsWith(".md"))
        return;
      const normalizedId = id.startsWith(config.srcDir) ? id : normalizePath(path$q.resolve(config.srcDir, id.replace(/^\//, "")));
      const matched = config.dynamicRoutes.routes.find(
        (r) => r.fullPath === normalizedId
      );
      if (matched) {
        return normalizedId;
      }
    },
    load(id) {
      const matched = config.dynamicRoutes.routes.find((r) => r.fullPath === id);
      if (matched) {
        const { route, params, content } = matched;
        const routeFile = normalizePath(path$q.resolve(config.srcDir, route));
        config.dynamicRoutes.fileToModulesMap[routeFile].add(id);
        let baseContent = fs$a.readFileSync(routeFile, "utf-8");
        if (content) {
          baseContent = baseContent.replace(/<!--\s*@content\s*-->/, content);
        }
        return `__VP_PARAMS_START${JSON.stringify(
          params
        )}__VP_PARAMS_END__${baseContent}`;
      }
    },
    async handleHotUpdate(ctx) {
      routeModuleCache.delete(ctx.file);
      const mods = config.dynamicRoutes.fileToModulesMap[ctx.file];
      if (mods) {
        if (!/\.md$/.test(ctx.file)) {
          Object.assign(
            config,
            await resolvePages(config.srcDir, config.userConfig, config.logger)
          );
        }
        for (const id of mods) {
          ctx.modules.push(server.moduleGraph.getModuleById(id));
        }
      }
    }
  };
};
async function resolveDynamicRoutes(srcDir, routes, logger) {
  const pendingResolveRoutes = [];
  const routeFileToModulesMap = {};
  for (const route of routes) {
    const fullPath = normalizePath(path$q.resolve(srcDir, route));
    const paths = ["js", "ts", "mjs", "mts"].map(
      (ext) => fullPath.replace(/\.md$/, `.paths.${ext}`)
    );
    const pathsFile = paths.find((p) => fs$a.existsSync(p));
    if (pathsFile == null) {
      logger.warn(
        c$1.yellow(
          `Missing paths file for dynamic route ${route}: a corresponding ${paths[0]} (or .ts/.mjs/.mts) file is needed.`
        )
      );
      continue;
    }
    let mod = routeModuleCache.get(pathsFile);
    if (!mod) {
      try {
        mod = await loadConfigFromFile(
          {},
          pathsFile,
          void 0,
          "silent"
        );
        routeModuleCache.set(pathsFile, mod);
      } catch (e) {
        logger.warn(`${c$1.yellow(`Failed to load ${pathsFile}:`)}
${e.stack}`);
        continue;
      }
    }
    const matchedModuleIds = routeFileToModulesMap[normalizePath(path$q.resolve(srcDir, route))] = /* @__PURE__ */ new Set();
    for (const dep of mod.dependencies) {
      routeFileToModulesMap[normalizePath(path$q.resolve(dep))] = matchedModuleIds;
    }
    const loader = mod.config.paths;
    if (!loader) {
      logger.warn(
        c$1.yellow(
          `Invalid paths file export in ${pathsFile}. Missing "paths" property from default export.`
        )
      );
      continue;
    }
    const resolveRoute = async () => {
      const paths2 = await (typeof loader === "function" ? loader() : loader);
      return paths2.map((userConfig) => {
        const resolvedPath = route.replace(
          dynamicRouteRE,
          (_, key) => userConfig.params[key]
        );
        return {
          path: resolvedPath,
          fullPath: normalizePath(path$q.resolve(srcDir, resolvedPath)),
          route,
          ...userConfig
        };
      });
    };
    pendingResolveRoutes.push(resolveRoute());
  }
  return {
    routes: (await Promise.all(pendingResolveRoutes)).flat(),
    fileToModulesMap: routeFileToModulesMap
  };
}

const EXTERNAL_URL_RE = /^(?:[a-z]+:|\/\/)/i;
const APPEARANCE_KEY = "vitepress-theme-appearance";
const HASH_RE = /#.*$/;
const HASH_OR_QUERY_RE = /[?#].*$/;
const INDEX_OR_EXT_RE = /(?:(^|\/)index)?\.(?:md|html)$/;
const inBrowser = typeof document !== "undefined";
const notFoundPageData = {
  relativePath: "",
  filePath: "",
  title: "404",
  description: "Not Found",
  headers: [],
  frontmatter: { sidebar: false, layout: "page" },
  lastUpdated: 0,
  isNotFound: true
};
function isActive(currentPath, matchPath, asRegex = false) {
  if (matchPath === void 0) {
    return false;
  }
  currentPath = normalize$1(`/${currentPath}`);
  if (asRegex) {
    return new RegExp(matchPath).test(currentPath);
  }
  if (normalize$1(matchPath) !== currentPath) {
    return false;
  }
  const hashMatch = matchPath.match(HASH_RE);
  if (hashMatch) {
    return (inBrowser ? location.hash : "") === hashMatch[0];
  }
  return true;
}
function normalize$1(path) {
  return decodeURI(path).replace(HASH_OR_QUERY_RE, "").replace(INDEX_OR_EXT_RE, "$1");
}
function isExternal(path) {
  return EXTERNAL_URL_RE.test(path);
}
function resolveSiteDataByRoute(siteData, relativePath) {
  const localeIndex = Object.keys(siteData.locales).find(
    (key) => key !== "root" && !isExternal(key) && isActive(relativePath, `/${key}/`, true)
  ) || "root";
  return Object.assign({}, siteData, {
    localeIndex,
    lang: siteData.locales[localeIndex]?.lang ?? siteData.lang,
    dir: siteData.locales[localeIndex]?.dir ?? siteData.dir,
    title: siteData.locales[localeIndex]?.title ?? siteData.title,
    titleTemplate: siteData.locales[localeIndex]?.titleTemplate ?? siteData.titleTemplate,
    description: siteData.locales[localeIndex]?.description ?? siteData.description,
    head: mergeHead(siteData.head, siteData.locales[localeIndex]?.head ?? []),
    themeConfig: {
      ...siteData.themeConfig,
      ...siteData.locales[localeIndex]?.themeConfig
    }
  });
}
function createTitle(siteData, pageData) {
  const title = pageData.title || siteData.title;
  const template = pageData.titleTemplate ?? siteData.titleTemplate;
  if (typeof template === "string" && template.includes(":title")) {
    return template.replace(/:title/g, title);
  }
  const templateString = createTitleTemplate(siteData.title, template);
  if (title === templateString.slice(3)) {
    return title;
  }
  return `${title}${templateString}`;
}
function createTitleTemplate(siteTitle, template) {
  if (template === false) {
    return "";
  }
  if (template === true || template === void 0) {
    return ` | ${siteTitle}`;
  }
  if (siteTitle === template) {
    return "";
  }
  return ` | ${template}`;
}
function hasTag(head, tag) {
  const [tagType, tagAttrs] = tag;
  if (tagType !== "meta")
    return false;
  const keyAttr = Object.entries(tagAttrs)[0];
  if (keyAttr == null)
    return false;
  return head.some(
    ([type, attrs]) => type === tagType && attrs[keyAttr[0]] === keyAttr[1]
  );
}
function mergeHead(prev, curr) {
  return [...prev.filter((tagAttrs) => !hasTag(curr, tagAttrs)), ...curr];
}
const INVALID_CHAR_REGEX = /[\u0000-\u001F"#$&*+,:;<=>?[\]^`{|}\u007F]/g;
const DRIVE_LETTER_REGEX = /^[a-z]:/i;
function sanitizeFileName(name) {
  const match = DRIVE_LETTER_REGEX.exec(name);
  const driveLetter = match ? match[0] : "";
  return driveLetter + name.slice(driveLetter.length).replace(INVALID_CHAR_REGEX, "_").replace(/(^|\/)_+(?=[^/]*$)/, "$1");
}
function slash(p) {
  return p.replace(/\\/g, "/");
}
const KNOWN_EXTENSIONS = /* @__PURE__ */ new Set();
function treatAsHtml(filename) {
  if (KNOWN_EXTENSIONS.size === 0) {
    const extraExts = typeof process === "object" && process.env?.VITE_EXTRA_EXTENSIONS || import.meta.env?.VITE_EXTRA_EXTENSIONS || "";
    ("3g2,3gp,aac,ai,apng,au,avif,bin,bmp,cer,class,conf,crl,css,csv,dll,doc,eps,epub,exe,gif,gz,ics,ief,jar,jpe,jpeg,jpg,js,json,jsonld,m4a,man,mid,midi,mjs,mov,mp2,mp3,mp4,mpe,mpeg,mpg,mpp,oga,ogg,ogv,ogx,opus,otf,p10,p7c,p7m,p7s,pdf,png,ps,qt,roff,rtf,rtx,ser,svg,t,tif,tiff,tr,ts,tsv,ttf,txt,vtt,wav,weba,webm,webp,woff,woff2,xhtml,xml,yaml,yml,zip" + (extraExts && typeof extraExts === "string" ? "," + extraExts : "")).split(",").forEach((ext2) => KNOWN_EXTENSIONS.add(ext2));
  }
  const ext = filename.split(".").pop();
  return ext == null || !KNOWN_EXTENSIONS.has(ext.toLowerCase());
}
function escapeRegExp$1(str) {
  return str.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&").replace(/-/g, "\\x2d");
}

const debug$2 = _debug("vitepress:config");
const resolve = (root, file) => normalizePath(path$q.resolve(root, `.vitepress`, file));
function defineConfig(config) {
  return config;
}
function defineConfigWithTheme(config) {
  return config;
}
async function resolveConfig(root = process.cwd(), command = "serve", mode = "development") {
  root = normalizePath(path$q.resolve(root));
  const [userConfig, configPath, configDeps] = await resolveUserConfig(
    root,
    command,
    mode
  );
  const logger = userConfig.vite?.customLogger ?? createLogger(userConfig.vite?.logLevel, {
    prefix: "[vitepress]",
    allowClearScreen: userConfig.vite?.clearScreen
  });
  const site = await resolveSiteData(root, userConfig);
  const srcDir = normalizePath(path$q.resolve(root, userConfig.srcDir || "."));
  const assetsDir = userConfig.assetsDir ? slash(userConfig.assetsDir).replace(/^\.?\/|\/$/g, "") : "assets";
  const outDir = userConfig.outDir ? normalizePath(path$q.resolve(root, userConfig.outDir)) : resolve(root, "dist");
  const cacheDir = userConfig.cacheDir ? normalizePath(path$q.resolve(root, userConfig.cacheDir)) : resolve(root, "cache");
  const resolvedAssetsDir = normalizePath(path$q.resolve(outDir, assetsDir));
  if (!resolvedAssetsDir.startsWith(outDir)) {
    throw new Error(
      [
        `assetsDir cannot be set to a location outside of the outDir.`,
        `outDir: ${outDir}`,
        `assetsDir: ${assetsDir}`,
        `resolved: ${resolvedAssetsDir}`
      ].join("\n  ")
    );
  }
  const userThemeDir = resolve(root, "theme");
  const themeDir = await fs$a.pathExists(userThemeDir) ? userThemeDir : DEFAULT_THEME_PATH;
  const { pages, dynamicRoutes, rewrites } = await resolvePages(
    srcDir,
    userConfig,
    logger
  );
  const config = {
    root,
    srcDir,
    assetsDir,
    site,
    themeDir,
    pages,
    dynamicRoutes,
    configPath,
    configDeps,
    outDir,
    cacheDir,
    logger,
    tempDir: resolve(root, ".temp"),
    markdown: userConfig.markdown,
    lastUpdated: userConfig.lastUpdated ?? !!userConfig.themeConfig?.lastUpdated,
    vue: userConfig.vue,
    vite: userConfig.vite,
    shouldPreload: userConfig.shouldPreload,
    mpa: !!userConfig.mpa,
    metaChunk: !!userConfig.metaChunk,
    ignoreDeadLinks: userConfig.ignoreDeadLinks,
    cleanUrls: !!userConfig.cleanUrls,
    useWebFonts: userConfig.useWebFonts ?? typeof process.versions.webcontainer === "string",
    postRender: userConfig.postRender,
    buildEnd: userConfig.buildEnd,
    transformHead: userConfig.transformHead,
    transformHtml: userConfig.transformHtml,
    transformPageData: userConfig.transformPageData,
    rewrites,
    userConfig,
    sitemap: userConfig.sitemap,
    buildConcurrency: userConfig.buildConcurrency ?? 64
  };
  global.VITEPRESS_CONFIG = config;
  return config;
}
const supportedConfigExtensions = ["js", "ts", "mjs", "mts"];
async function resolveUserConfig(root, command, mode) {
  const configPath = supportedConfigExtensions.flatMap((ext) => [
    resolve(root, `config/index.${ext}`),
    resolve(root, `config.${ext}`)
  ]).find(fs$a.pathExistsSync);
  let userConfig = {};
  let configDeps = [];
  if (!configPath) {
    debug$2(`no config file found.`);
  } else {
    const configExports = await loadConfigFromFile(
      { command, mode },
      configPath,
      root
    );
    if (configExports) {
      userConfig = configExports.config;
      configDeps = configExports.dependencies.map(
        (file) => normalizePath(path$q.resolve(file))
      );
    }
    debug$2(`loaded config at ${c$1.yellow(configPath)}`);
  }
  return [await resolveConfigExtends(userConfig), configPath, configDeps];
}
async function resolveConfigExtends(config) {
  const resolved = await (typeof config === "function" ? config() : config);
  if (resolved.extends) {
    const base = await resolveConfigExtends(resolved.extends);
    return mergeConfig(base, resolved);
  }
  return resolved;
}
function mergeConfig(a, b, isRoot = true) {
  const merged = { ...a };
  for (const key in b) {
    const value = b[key];
    if (value == null) {
      continue;
    }
    const existing = merged[key];
    if (Array.isArray(existing) && Array.isArray(value)) {
      merged[key] = [...existing, ...value];
      continue;
    }
    if (isObject$3(existing) && isObject$3(value)) {
      if (isRoot && key === "vite") {
        merged[key] = mergeConfig$1(existing, value);
      } else {
        merged[key] = mergeConfig(existing, value, false);
      }
      continue;
    }
    merged[key] = value;
  }
  return merged;
}
function isObject$3(value) {
  return Object.prototype.toString.call(value) === "[object Object]";
}
async function resolveSiteData(root, userConfig, command = "serve", mode = "development") {
  userConfig = userConfig || (await resolveUserConfig(root, command, mode))[0];
  return {
    lang: userConfig.lang || "en-US",
    dir: userConfig.dir || "ltr",
    title: userConfig.title || "VitePress",
    titleTemplate: userConfig.titleTemplate,
    description: userConfig.description || "A VitePress site",
    base: userConfig.base ? userConfig.base.replace(/([^/])$/, "$1/") : "/",
    head: resolveSiteDataHead(userConfig),
    router: {
      prefetchLinks: userConfig.router?.prefetchLinks ?? true
    },
    appearance: userConfig.appearance ?? true,
    themeConfig: userConfig.themeConfig || {},
    locales: userConfig.locales || {},
    scrollOffset: userConfig.scrollOffset ?? 134,
    cleanUrls: !!userConfig.cleanUrls,
    contentProps: userConfig.contentProps
  };
}
function resolveSiteDataHead(userConfig) {
  const head = userConfig?.head ?? [];
  if (userConfig?.appearance ?? true) {
    const fallbackPreference = typeof userConfig?.appearance === "string" ? userConfig?.appearance : typeof userConfig?.appearance === "object" ? userConfig.appearance.initialValue ?? "auto" : "auto";
    head.push([
      "script",
      { id: "check-dark-mode" },
      fallbackPreference === "force-dark" ? `document.documentElement.classList.add('dark')` : `;(() => {
            const preference = localStorage.getItem('${APPEARANCE_KEY}') || '${fallbackPreference}'
            const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches
            if (!preference || preference === 'auto' ? prefersDark : preference === 'dark')
              document.documentElement.classList.add('dark')
          })()`
    ]);
  }
  head.push([
    "script",
    { id: "check-mac-os" },
    `document.documentElement.classList.toggle('mac', /Mac|iPhone|iPod|iPad/i.test(navigator.platform))`
  ]);
  return head;
}

const htmlEscapeMap = {
  "&": "&amp;",
  "<": "&lt;",
  ">": "&gt;",
  "'": "&#39;",
  '"': "&quot;"
};
const htmlEscapeRegexp = /[&<>'"]/g;
const htmlEscape = (str) => str.replace(
  htmlEscapeRegexp,
  (char) => htmlEscapeMap[char]
);

const resolveTitleFromToken = (token, { shouldAllowHtml, shouldEscapeText }) => {
  const children = token.children ?? [];
  const titleTokenTypes = ["text", "emoji", "code_inline"];
  if (shouldAllowHtml) {
    titleTokenTypes.push("html_inline");
  }
  const titleTokens = children.filter(
    (item) => titleTokenTypes.includes(item.type) && // filter permalink symbol that generated by markdown-it-anchor
    !item.meta?.isPermalinkSymbol
  );
  return titleTokens.reduce((result, item) => {
    if (shouldEscapeText) {
      if (item.type === "code_inline" || item.type === "text") {
        return `${result}${htmlEscape(item.content)}`;
      }
    }
    return `${result}${item.content}`;
  }, "").trim();
};

const resolveHeadersFromTokens = (tokens, {
  level,
  shouldAllowHtml,
  shouldAllowNested,
  shouldEscapeText,
  slugify,
  format
}) => {
  const headers = [];
  const stack = [];
  const push = (header) => {
    while (stack.length !== 0 && header.level <= stack[0].level) {
      stack.shift();
    }
    if (stack.length === 0) {
      headers.push(header);
      stack.push(header);
    } else {
      stack[0].children.push(header);
      stack.unshift(header);
    }
  };
  for (let i = 0; i < tokens.length; i += 1) {
    const token = tokens[i];
    if (token?.type !== "heading_open") {
      continue;
    }
    if (token?.level !== 0 && !shouldAllowNested) {
      continue;
    }
    const headerLevel = Number.parseInt(token.tag.slice(1), 10);
    if (!level.includes(headerLevel)) {
      continue;
    }
    const nextToken = tokens[i + 1];
    if (!nextToken) {
      continue;
    }
    const title = resolveTitleFromToken(nextToken, {
      shouldAllowHtml,
      shouldEscapeText
    });
    const slug = token.attrGet("id") ?? slugify(title);
    push({
      level: headerLevel,
      title: format?.(title) ?? title,
      slug,
      link: `#${slug}`,
      children: []
    });
  }
  return headers;
};

const rControl = /[\u0000-\u001f]/g;
const rSpecial = /[\s~`!@#$%^&*()\-_+=[\]{}|\\;:"'“”‘’<>,.?/]+/g;
const rCombining = /[\u0300-\u036F]/g;
const slugify = (str) => str.normalize("NFKD").replace(rCombining, "").replace(rControl, "").replace(rSpecial, "-").replace(/-{2,}/g, "-").replace(/^-+|-+$/g, "").replace(/^(\d)/, "_$1").toLowerCase();

// List of valid html blocks names, according to commonmark spec
// https://spec.commonmark.org/0.30/#html-blocks

var block_names = [
  'address',
  'article',
  'aside',
  'base',
  'basefont',
  'blockquote',
  'body',
  'caption',
  'center',
  'col',
  'colgroup',
  'dd',
  'details',
  'dialog',
  'dir',
  'div',
  'dl',
  'dt',
  'fieldset',
  'figcaption',
  'figure',
  'footer',
  'form',
  'frame',
  'frameset',
  'h1',
  'h2',
  'h3',
  'h4',
  'h5',
  'h6',
  'head',
  'header',
  'hr',
  'html',
  'iframe',
  'legend',
  'li',
  'link',
  'main',
  'menu',
  'menuitem',
  'nav',
  'noframes',
  'ol',
  'optgroup',
  'option',
  'p',
  'param',
  'search',
  'section',
  'summary',
  'table',
  'tbody',
  'td',
  'tfoot',
  'th',
  'thead',
  'title',
  'tr',
  'track',
  'ul'
];

const attr_name$1 = "[a-zA-Z_:@][a-zA-Z0-9:._-]*";
const unquoted$1 = "[^\"'=<>`\\x00-\\x20]+";
const single_quoted$1 = "'[^']*'";
const double_quoted$1 = '"[^"]*"';
const attr_value$1 = "(?:" + unquoted$1 + "|" + single_quoted$1 + "|" + double_quoted$1 + ")";
const attribute$1 = "(?:\\s+" + attr_name$1 + "(?:\\s*=\\s*" + attr_value$1 + ")?)";
const open_tag$1 = "<[A-Za-z][A-Za-z0-9\\-]*" + attribute$1 + "*\\s*\\/?>";
const close_tag$1 = "<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>";
const comment$1 = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->";
const processing$1 = "<[?][\\s\\S]*?[?]>";
const declaration$1 = "<![A-Z]+\\s+[^>]*>";
const cdata$1 = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>";
const HTML_TAG_RE$1 = new RegExp(
  "^(?:" + open_tag$1 + "|" + close_tag$1 + "|" + comment$1 + "|" + processing$1 + "|" + declaration$1 + "|" + cdata$1 + ")"
);
const HTML_OPEN_CLOSE_TAG_RE$1 = new RegExp(
  "^(?:" + open_tag$1 + "|" + close_tag$1 + ")"
);
const HTML_SELF_CLOSING_TAG_RE = new RegExp(
  "^<[A-Za-z][A-Za-z0-9\\-]*" + attribute$1 + "*\\s*\\/>"
);
const HTML_OPEN_AND_CLOSE_TAG_IN_THE_SAME_LINE_RE = new RegExp(
  "^<([A-Za-z][A-Za-z0-9\\-]*)" + attribute$1 + "*\\s*>.*<\\/\\1\\s*>"
);

const TAGS_BLOCK = block_names;
const TAGS_INLINE = [
  "a",
  "abbr",
  "acronym",
  "audio",
  "b",
  "bdi",
  "bdo",
  "big",
  "br",
  "button",
  "canvas",
  "cite",
  "code",
  "data",
  "datalist",
  "del",
  "dfn",
  "em",
  "embed",
  "i",
  "iframe",
  "img",
  "input",
  "ins",
  "kbd",
  "label",
  "map",
  "mark",
  "meter",
  "noscript",
  "object",
  "output",
  "picture",
  "progress",
  "q",
  "ruby",
  "s",
  "samp",
  "script",
  "select",
  "slot",
  "small",
  "span",
  "strong",
  "sub",
  "sup",
  "svg",
  "template",
  "textarea",
  "time",
  "u",
  "tt",
  "var",
  "video",
  "wbr"
];
const TAGS_VUE_RESERVED = [
  "template",
  "component",
  "transition",
  "transition-group",
  "keep-alive",
  "slot",
  "teleport"
];

const createHtmlSequences = ({
  blockTags,
  inlineTags
}) => {
  const forceBlockTags = [...blockTags, ...TAGS_BLOCK];
  const forceInlineTags = [
    ...inlineTags,
    ...TAGS_INLINE.filter((item) => !TAGS_VUE_RESERVED.includes(item))
  ];
  const HTML_SEQUENCES = [
    [/^<(script|pre|style)(?=(\s|>|$))/i, /<\/(script|pre|style)>/i, true],
    [/^<!--/, /-->/, true],
    [/^<\?/, /\?>/, true],
    [/^<![A-Z]/, />/, true],
    [/^<!\[CDATA\[/, /\]\]>/, true],
    // MODIFIED: Support extra block tags from user options
    [
      new RegExp("^</?(" + forceBlockTags.join("|") + ")(?=(\\s|/?>|$))", "i"),
      /^$/,
      true
    ],
    // ADDED: Matching component tags (all unknown tags) (i = 6)
    [
      new RegExp(
        "^</?(?!(" + forceInlineTags.join("|") + ")(?![\\w-]))[A-Za-z][A-Za-z0-9\\-]*(?=(\\s|/?>|$))"
      ),
      /^$/,
      true
    ],
    // this line is to treat a line that only have a single self-closed html tag
    // as html_block, even if it's a self-closed inline tag
    // MODIFIED: Tweak the original HTML_OPEN_CLOSE_TAG_RE
    [new RegExp(HTML_OPEN_CLOSE_TAG_RE$1.source + "\\s*$"), /^$/, false]
  ];
  return HTML_SEQUENCES;
};
const createHtmlBlockRule = (options) => {
  const HTML_SEQUENCES = createHtmlSequences(options);
  return (state, startLine, endLine, silent) => {
    let i;
    let nextLine;
    let lineText;
    let pos = state.bMarks[startLine] + state.tShift[startLine];
    let max = state.eMarks[startLine];
    if (state.sCount[startLine] - state.blkIndent >= 4) {
      return false;
    }
    if (!state.md.options.html) {
      return false;
    }
    if (state.src.charCodeAt(pos) !== 60) {
      return false;
    }
    lineText = state.src.slice(pos, max);
    for (i = 0; i < HTML_SEQUENCES.length; i++) {
      if (HTML_SEQUENCES[i][0].test(lineText)) {
        break;
      }
    }
    if (i === HTML_SEQUENCES.length) {
      return false;
    }
    if (silent) {
      return HTML_SEQUENCES[i][2];
    }
    if (i === 6) {
      const match = (
        // if the component tag is self-closing
        lineText.match(HTML_SELF_CLOSING_TAG_RE) ?? // or has open and close tag in the same line
        lineText.match(HTML_OPEN_AND_CLOSE_TAG_IN_THE_SAME_LINE_RE)
      );
      if (match) {
        state.line = startLine + 1;
        let token2 = state.push("html_inline", "", 0);
        token2.content = match[0];
        token2.map = [startLine, state.line];
        token2 = state.push("inline", "", 0);
        token2.content = lineText.slice(match[0].length);
        token2.map = [startLine, state.line];
        token2.children = [];
        return true;
      }
    }
    nextLine = startLine + 1;
    if (!HTML_SEQUENCES[i][1].test(lineText)) {
      for (; nextLine < endLine; nextLine++) {
        if (state.sCount[nextLine] < state.blkIndent) {
          break;
        }
        pos = state.bMarks[nextLine] + state.tShift[nextLine];
        max = state.eMarks[nextLine];
        lineText = state.src.slice(pos, max);
        if (HTML_SEQUENCES[i][1].test(lineText)) {
          if (lineText.length !== 0) {
            nextLine++;
          }
          break;
        }
      }
    }
    state.line = nextLine;
    const token = state.push("html_block", "", 0);
    token.map = [startLine, nextLine];
    token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
    return true;
  };
};

const isLetter$1 = (ch) => {
  const lc = ch | 32;
  return lc >= 97 && lc <= 122;
};
const htmlInlineRule = (state, silent) => {
  const { pos } = state;
  if (!state.md.options.html) {
    return false;
  }
  const max = state.posMax;
  if (state.src.charCodeAt(pos) !== 60 || pos + 2 >= max) {
    return false;
  }
  const ch = state.src.charCodeAt(pos + 1);
  if (ch !== 33 && ch !== 63 && ch !== 47 && !isLetter$1(ch)) {
    return false;
  }
  const match = state.src.slice(pos).match(HTML_TAG_RE$1);
  if (!match) {
    return false;
  }
  if (!silent) {
    const token = state.push("html_inline", "", 0);
    token.content = state.src.slice(pos, pos + match[0].length);
  }
  state.pos += match[0].length;
  return true;
};

const componentPlugin = (md, { blockTags = [], inlineTags = [] } = {}) => {
  const htmlBlockRule = createHtmlBlockRule({
    blockTags,
    inlineTags
  });
  md.block.ruler.at("html_block", htmlBlockRule, {
    alt: ["paragraph", "reference", "blockquote"]
  });
  md.inline.ruler.at("html_inline", htmlInlineRule);
};

var toString$1 = Object.prototype.toString;

var kindOf = function kindOf(val) {
  if (val === void 0) return 'undefined';
  if (val === null) return 'null';

  var type = typeof val;
  if (type === 'boolean') return 'boolean';
  if (type === 'string') return 'string';
  if (type === 'number') return 'number';
  if (type === 'symbol') return 'symbol';
  if (type === 'function') {
    return isGeneratorFn(val) ? 'generatorfunction' : 'function';
  }

  if (isArray$1(val)) return 'array';
  if (isBuffer$1(val)) return 'buffer';
  if (isArguments(val)) return 'arguments';
  if (isDate(val)) return 'date';
  if (isError(val)) return 'error';
  if (isRegexp(val)) return 'regexp';

  switch (ctorName(val)) {
    case 'Symbol': return 'symbol';
    case 'Promise': return 'promise';

    // Set, Map, WeakSet, WeakMap
    case 'WeakMap': return 'weakmap';
    case 'WeakSet': return 'weakset';
    case 'Map': return 'map';
    case 'Set': return 'set';

    // 8-bit typed arrays
    case 'Int8Array': return 'int8array';
    case 'Uint8Array': return 'uint8array';
    case 'Uint8ClampedArray': return 'uint8clampedarray';

    // 16-bit typed arrays
    case 'Int16Array': return 'int16array';
    case 'Uint16Array': return 'uint16array';

    // 32-bit typed arrays
    case 'Int32Array': return 'int32array';
    case 'Uint32Array': return 'uint32array';
    case 'Float32Array': return 'float32array';
    case 'Float64Array': return 'float64array';
  }

  if (isGeneratorObj(val)) {
    return 'generator';
  }

  // Non-plain objects
  type = toString$1.call(val);
  switch (type) {
    case '[object Object]': return 'object';
    // iterators
    case '[object Map Iterator]': return 'mapiterator';
    case '[object Set Iterator]': return 'setiterator';
    case '[object String Iterator]': return 'stringiterator';
    case '[object Array Iterator]': return 'arrayiterator';
  }

  // other
  return type.slice(8, -1).toLowerCase().replace(/\s/g, '');
};

function ctorName(val) {
  return typeof val.constructor === 'function' ? val.constructor.name : null;
}

function isArray$1(val) {
  if (Array.isArray) return Array.isArray(val);
  return val instanceof Array;
}

function isError(val) {
  return val instanceof Error || (typeof val.message === 'string' && val.constructor && typeof val.constructor.stackTraceLimit === 'number');
}

function isDate(val) {
  if (val instanceof Date) return true;
  return typeof val.toDateString === 'function'
    && typeof val.getDate === 'function'
    && typeof val.setDate === 'function';
}

function isRegexp(val) {
  if (val instanceof RegExp) return true;
  return typeof val.flags === 'string'
    && typeof val.ignoreCase === 'boolean'
    && typeof val.multiline === 'boolean'
    && typeof val.global === 'boolean';
}

function isGeneratorFn(name, val) {
  return ctorName(name) === 'GeneratorFunction';
}

function isGeneratorObj(val) {
  return typeof val.throw === 'function'
    && typeof val.return === 'function'
    && typeof val.next === 'function';
}

function isArguments(val) {
  try {
    if (typeof val.length === 'number' && typeof val.callee === 'function') {
      return true;
    }
  } catch (err) {
    if (err.message.indexOf('callee') !== -1) {
      return true;
    }
  }
  return false;
}

/**
 * If you need to support Safari 5-7 (8-10 yr-old browser),
 * take a look at https://github.com/feross/is-buffer
 */

function isBuffer$1(val) {
  if (val.constructor && typeof val.constructor.isBuffer === 'function') {
    return val.constructor.isBuffer(val);
  }
  return false;
}

/*!
 * is-extendable <https://github.com/jonschlinkert/is-extendable>
 *
 * Copyright (c) 2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

var isExtendable = function isExtendable(val) {
  return typeof val !== 'undefined' && val !== null
    && (typeof val === 'object' || typeof val === 'function');
};

var isObject$2 = isExtendable;

var extendShallow = function extend(o/*, objects*/) {
  if (!isObject$2(o)) { o = {}; }

  var len = arguments.length;
  for (var i = 1; i < len; i++) {
    var obj = arguments[i];

    if (isObject$2(obj)) {
      assign$2(o, obj);
    }
  }
  return o;
};

function assign$2(a, b) {
  for (var key in b) {
    if (hasOwn(b, key)) {
      a[key] = b[key];
    }
  }
}

/**
 * Returns true if the given `key` is an own property of `obj`.
 */

function hasOwn(obj, key) {
  return Object.prototype.hasOwnProperty.call(obj, key);
}

var typeOf$2 = kindOf;
var extend$1 = extendShallow;

/**
 * Parse sections in `input` with the given `options`.
 *
 * ```js
 * var sections = require('{%= name %}');
 * var result = sections(input, options);
 * // { content: 'Content before sections', sections: [] }
 * ```
 * @param {String|Buffer|Object} `input` If input is an object, it's `content` property must be a string or buffer.
 * @param {Object} options
 * @return {Object} Returns an object with a `content` string and an array of `sections` objects.
 * @api public
 */

var sectionMatter = function(input, options) {
  if (typeof options === 'function') {
    options = { parse: options };
  }

  var file = toObject(input);
  var defaults = {section_delimiter: '---', parse: identity};
  var opts = extend$1({}, defaults, options);
  var delim = opts.section_delimiter;
  var lines = file.content.split(/\r?\n/);
  var sections = null;
  var section = createSection();
  var content = [];
  var stack = [];

  function initSections(val) {
    file.content = val;
    sections = [];
    content = [];
  }

  function closeSection(val) {
    if (stack.length) {
      section.key = getKey(stack[0], delim);
      section.content = val;
      opts.parse(section, sections);
      sections.push(section);
      section = createSection();
      content = [];
      stack = [];
    }
  }

  for (var i = 0; i < lines.length; i++) {
    var line = lines[i];
    var len = stack.length;
    var ln = line.trim();

    if (isDelimiter(ln, delim)) {
      if (ln.length === 3 && i !== 0) {
        if (len === 0 || len === 2) {
          content.push(line);
          continue;
        }
        stack.push(ln);
        section.data = content.join('\n');
        content = [];
        continue;
      }

      if (sections === null) {
        initSections(content.join('\n'));
      }

      if (len === 2) {
        closeSection(content.join('\n'));
      }

      stack.push(ln);
      continue;
    }

    content.push(line);
  }

  if (sections === null) {
    initSections(content.join('\n'));
  } else {
    closeSection(content.join('\n'));
  }

  file.sections = sections;
  return file;
};

function isDelimiter(line, delim) {
  if (line.slice(0, delim.length) !== delim) {
    return false;
  }
  if (line.charAt(delim.length + 1) === delim.slice(-1)) {
    return false;
  }
  return true;
}

function toObject(input) {
  if (typeOf$2(input) !== 'object') {
    input = { content: input };
  }

  if (typeof input.content !== 'string' && !isBuffer(input.content)) {
    throw new TypeError('expected a buffer or string');
  }

  input.content = input.content.toString();
  input.sections = [];
  return input;
}

function getKey(val, delim) {
  return val ? val.slice(delim.length).trim() : '';
}

function createSection() {
  return { key: '', data: '', content: '' };
}

function identity(val) {
  return val;
}

function isBuffer(val) {
  if (val && val.constructor && typeof val.constructor.isBuffer === 'function') {
    return val.constructor.isBuffer(val);
  }
  return false;
}

var engines$2 = {exports: {}};

var jsYaml$1 = {};

var loader$1 = {};

var common$6 = {};

function isNothing(subject) {
  return (typeof subject === 'undefined') || (subject === null);
}


function isObject$1(subject) {
  return (typeof subject === 'object') && (subject !== null);
}


function toArray(sequence) {
  if (Array.isArray(sequence)) return sequence;
  else if (isNothing(sequence)) return [];

  return [ sequence ];
}


function extend(target, source) {
  var index, length, key, sourceKeys;

  if (source) {
    sourceKeys = Object.keys(source);

    for (index = 0, length = sourceKeys.length; index < length; index += 1) {
      key = sourceKeys[index];
      target[key] = source[key];
    }
  }

  return target;
}


function repeat(string, count) {
  var result = '', cycle;

  for (cycle = 0; cycle < count; cycle += 1) {
    result += string;
  }

  return result;
}


function isNegativeZero(number) {
  return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);
}


common$6.isNothing      = isNothing;
common$6.isObject       = isObject$1;
common$6.toArray        = toArray;
common$6.repeat         = repeat;
common$6.isNegativeZero = isNegativeZero;
common$6.extend         = extend;

function YAMLException$4(reason, mark) {
  // Super constructor
  Error.call(this);

  this.name = 'YAMLException';
  this.reason = reason;
  this.mark = mark;
  this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : '');

  // Include stack trace in error object
  if (Error.captureStackTrace) {
    // Chrome and NodeJS
    Error.captureStackTrace(this, this.constructor);
  } else {
    // FF, IE 10+ and Safari 6+. Fallback for others
    this.stack = (new Error()).stack || '';
  }
}


// Inherit from Error
YAMLException$4.prototype = Object.create(Error.prototype);
YAMLException$4.prototype.constructor = YAMLException$4;


YAMLException$4.prototype.toString = function toString(compact) {
  var result = this.name + ': ';

  result += this.reason || '(unknown reason)';

  if (!compact && this.mark) {
    result += ' ' + this.mark.toString();
  }

  return result;
};


var exception = YAMLException$4;

var common$5 = common$6;


function Mark$1(name, buffer, position, line, column) {
  this.name     = name;
  this.buffer   = buffer;
  this.position = position;
  this.line     = line;
  this.column   = column;
}


Mark$1.prototype.getSnippet = function getSnippet(indent, maxLength) {
  var head, start, tail, end, snippet;

  if (!this.buffer) return null;

  indent = indent || 4;
  maxLength = maxLength || 75;

  head = '';
  start = this.position;

  while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) {
    start -= 1;
    if (this.position - start > (maxLength / 2 - 1)) {
      head = ' ... ';
      start += 5;
      break;
    }
  }

  tail = '';
  end = this.position;

  while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) {
    end += 1;
    if (end - this.position > (maxLength / 2 - 1)) {
      tail = ' ... ';
      end -= 5;
      break;
    }
  }

  snippet = this.buffer.slice(start, end);

  return common$5.repeat(' ', indent) + head + snippet + tail + '\n' +
         common$5.repeat(' ', indent + this.position - start + head.length) + '^';
};


Mark$1.prototype.toString = function toString(compact) {
  var snippet, where = '';

  if (this.name) {
    where += 'in "' + this.name + '" ';
  }

  where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1);

  if (!compact) {
    snippet = this.getSnippet();

    if (snippet) {
      where += ':\n' + snippet;
    }
  }

  return where;
};


var mark = Mark$1;

var YAMLException$3 = exception;

var TYPE_CONSTRUCTOR_OPTIONS = [
  'kind',
  'resolve',
  'construct',
  'instanceOf',
  'predicate',
  'represent',
  'defaultStyle',
  'styleAliases'
];

var YAML_NODE_KINDS = [
  'scalar',
  'sequence',
  'mapping'
];

function compileStyleAliases(map) {
  var result = {};

  if (map !== null) {
    Object.keys(map).forEach(function (style) {
      map[style].forEach(function (alias) {
        result[String(alias)] = style;
      });
    });
  }

  return result;
}

function Type$h(tag, options) {
  options = options || {};

  Object.keys(options).forEach(function (name) {
    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {
      throw new YAMLException$3('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.');
    }
  });

  // TODO: Add tag format check.
  this.tag          = tag;
  this.kind         = options['kind']         || null;
  this.resolve      = options['resolve']      || function () { return true; };
  this.construct    = options['construct']    || function (data) { return data; };
  this.instanceOf   = options['instanceOf']   || null;
  this.predicate    = options['predicate']    || null;
  this.represent    = options['represent']    || null;
  this.defaultStyle = options['defaultStyle'] || null;
  this.styleAliases = compileStyleAliases(options['styleAliases'] || null);

  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {
    throw new YAMLException$3('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.');
  }
}

var type = Type$h;

/*eslint-disable max-len*/

var common$4        = common$6;
var YAMLException$2 = exception;
var Type$g          = type;


function compileList(schema, name, result) {
  var exclude = [];

  schema.include.forEach(function (includedSchema) {
    result = compileList(includedSchema, name, result);
  });

  schema[name].forEach(function (currentType) {
    result.forEach(function (previousType, previousIndex) {
      if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) {
        exclude.push(previousIndex);
      }
    });

    result.push(currentType);
  });

  return result.filter(function (type, index) {
    return exclude.indexOf(index) === -1;
  });
}


function compileMap(/* lists... */) {
  var result = {
        scalar: {},
        sequence: {},
        mapping: {},
        fallback: {}
      }, index, length;

  function collectType(type) {
    result[type.kind][type.tag] = result['fallback'][type.tag] = type;
  }

  for (index = 0, length = arguments.length; index < length; index += 1) {
    arguments[index].forEach(collectType);
  }
  return result;
}


function Schema$5(definition) {
  this.include  = definition.include  || [];
  this.implicit = definition.implicit || [];
  this.explicit = definition.explicit || [];

  this.implicit.forEach(function (type) {
    if (type.loadKind && type.loadKind !== 'scalar') {
      throw new YAMLException$2('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');
    }
  });

  this.compiledImplicit = compileList(this, 'implicit', []);
  this.compiledExplicit = compileList(this, 'explicit', []);
  this.compiledTypeMap  = compileMap(this.compiledImplicit, this.compiledExplicit);
}


Schema$5.DEFAULT = null;


Schema$5.create = function createSchema() {
  var schemas, types;

  switch (arguments.length) {
    case 1:
      schemas = Schema$5.DEFAULT;
      types = arguments[0];
      break;

    case 2:
      schemas = arguments[0];
      types = arguments[1];
      break;

    default:
      throw new YAMLException$2('Wrong number of arguments for Schema.create function');
  }

  schemas = common$4.toArray(schemas);
  types = common$4.toArray(types);

  if (!schemas.every(function (schema) { return schema instanceof Schema$5; })) {
    throw new YAMLException$2('Specified list of super schemas (or a single Schema object) contains a non-Schema object.');
  }

  if (!types.every(function (type) { return type instanceof Type$g; })) {
    throw new YAMLException$2('Specified list of YAML types (or a single Type object) contains a non-Type object.');
  }

  return new Schema$5({
    include: schemas,
    explicit: types
  });
};


var schema = Schema$5;

var Type$f = type;

var str = new Type$f('tag:yaml.org,2002:str', {
  kind: 'scalar',
  construct: function (data) { return data !== null ? data : ''; }
});

var Type$e = type;

var seq = new Type$e('tag:yaml.org,2002:seq', {
  kind: 'sequence',
  construct: function (data) { return data !== null ? data : []; }
});

var Type$d = type;

var map$1 = new Type$d('tag:yaml.org,2002:map', {
  kind: 'mapping',
  construct: function (data) { return data !== null ? data : {}; }
});

var Schema$4 = schema;


var failsafe = new Schema$4({
  explicit: [
    str,
    seq,
    map$1
  ]
});

var Type$c = type;

function resolveYamlNull(data) {
  if (data === null) return true;

  var max = data.length;

  return (max === 1 && data === '~') ||
         (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));
}

function constructYamlNull() {
  return null;
}

function isNull(object) {
  return object === null;
}

var _null = new Type$c('tag:yaml.org,2002:null', {
  kind: 'scalar',
  resolve: resolveYamlNull,
  construct: constructYamlNull,
  predicate: isNull,
  represent: {
    canonical: function () { return '~';    },
    lowercase: function () { return 'null'; },
    uppercase: function () { return 'NULL'; },
    camelcase: function () { return 'Null'; }
  },
  defaultStyle: 'lowercase'
});

var Type$b = type;

function resolveYamlBoolean(data) {
  if (data === null) return false;

  var max = data.length;

  return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||
         (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));
}

function constructYamlBoolean(data) {
  return data === 'true' ||
         data === 'True' ||
         data === 'TRUE';
}

function isBoolean(object) {
  return Object.prototype.toString.call(object) === '[object Boolean]';
}

var bool = new Type$b('tag:yaml.org,2002:bool', {
  kind: 'scalar',
  resolve: resolveYamlBoolean,
  construct: constructYamlBoolean,
  predicate: isBoolean,
  represent: {
    lowercase: function (object) { return object ? 'true' : 'false'; },
    uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },
    camelcase: function (object) { return object ? 'True' : 'False'; }
  },
  defaultStyle: 'lowercase'
});

var common$3 = common$6;
var Type$a   = type;

function isHexCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||
         ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||
         ((0x61/* a */ <= c) && (c <= 0x66/* f */));
}

function isOctCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));
}

function isDecCode(c) {
  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));
}

function resolveYamlInteger(data) {
  if (data === null) return false;

  var max = data.length,
      index = 0,
      hasDigits = false,
      ch;

  if (!max) return false;

  ch = data[index];

  // sign
  if (ch === '-' || ch === '+') {
    ch = data[++index];
  }

  if (ch === '0') {
    // 0
    if (index + 1 === max) return true;
    ch = data[++index];

    // base 2, base 8, base 16

    if (ch === 'b') {
      // base 2
      index++;

      for (; index < max; index++) {
        ch = data[index];
        if (ch === '_') continue;
        if (ch !== '0' && ch !== '1') return false;
        hasDigits = true;
      }
      return hasDigits && ch !== '_';
    }


    if (ch === 'x') {
      // base 16
      index++;

      for (; index < max; index++) {
        ch = data[index];
        if (ch === '_') continue;
        if (!isHexCode(data.charCodeAt(index))) return false;
        hasDigits = true;
      }
      return hasDigits && ch !== '_';
    }

    // base 8
    for (; index < max; index++) {
      ch = data[index];
      if (ch === '_') continue;
      if (!isOctCode(data.charCodeAt(index))) return false;
      hasDigits = true;
    }
    return hasDigits && ch !== '_';
  }

  // base 10 (except 0) or base 60

  // value should not start with `_`;
  if (ch === '_') return false;

  for (; index < max; index++) {
    ch = data[index];
    if (ch === '_') continue;
    if (ch === ':') break;
    if (!isDecCode(data.charCodeAt(index))) {
      return false;
    }
    hasDigits = true;
  }

  // Should have digits and should not end with `_`
  if (!hasDigits || ch === '_') return false;

  // if !base60 - done;
  if (ch !== ':') return true;

  // base60 almost not used, no needs to optimize
  return /^(:[0-5]?[0-9])+$/.test(data.slice(index));
}

function constructYamlInteger(data) {
  var value = data, sign = 1, ch, base, digits = [];

  if (value.indexOf('_') !== -1) {
    value = value.replace(/_/g, '');
  }

  ch = value[0];

  if (ch === '-' || ch === '+') {
    if (ch === '-') sign = -1;
    value = value.slice(1);
    ch = value[0];
  }

  if (value === '0') return 0;

  if (ch === '0') {
    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);
    if (value[1] === 'x') return sign * parseInt(value, 16);
    return sign * parseInt(value, 8);
  }

  if (value.indexOf(':') !== -1) {
    value.split(':').forEach(function (v) {
      digits.unshift(parseInt(v, 10));
    });

    value = 0;
    base = 1;

    digits.forEach(function (d) {
      value += (d * base);
      base *= 60;
    });

    return sign * value;

  }

  return sign * parseInt(value, 10);
}

function isInteger(object) {
  return (Object.prototype.toString.call(object)) === '[object Number]' &&
         (object % 1 === 0 && !common$3.isNegativeZero(object));
}

var int = new Type$a('tag:yaml.org,2002:int', {
  kind: 'scalar',
  resolve: resolveYamlInteger,
  construct: constructYamlInteger,
  predicate: isInteger,
  represent: {
    binary:      function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },
    octal:       function (obj) { return obj >= 0 ? '0'  + obj.toString(8) : '-0'  + obj.toString(8).slice(1); },
    decimal:     function (obj) { return obj.toString(10); },
    /* eslint-disable max-len */
    hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() :  '-0x' + obj.toString(16).toUpperCase().slice(1); }
  },
  defaultStyle: 'decimal',
  styleAliases: {
    binary:      [ 2,  'bin' ],
    octal:       [ 8,  'oct' ],
    decimal:     [ 10, 'dec' ],
    hexadecimal: [ 16, 'hex' ]
  }
});

var common$2 = common$6;
var Type$9   = type;

var YAML_FLOAT_PATTERN = new RegExp(
  // 2.5e4, 2.5 and integers
  '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +
  // .2e4, .2
  // special case, seems not from spec
  '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +
  // 20:59
  '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' +
  // .inf
  '|[-+]?\\.(?:inf|Inf|INF)' +
  // .nan
  '|\\.(?:nan|NaN|NAN))$');

function resolveYamlFloat(data) {
  if (data === null) return false;

  if (!YAML_FLOAT_PATTERN.test(data) ||
      // Quick hack to not allow integers end with `_`
      // Probably should update regexp & check speed
      data[data.length - 1] === '_') {
    return false;
  }

  return true;
}

function constructYamlFloat(data) {
  var value, sign, base, digits;

  value  = data.replace(/_/g, '').toLowerCase();
  sign   = value[0] === '-' ? -1 : 1;
  digits = [];

  if ('+-'.indexOf(value[0]) >= 0) {
    value = value.slice(1);
  }

  if (value === '.inf') {
    return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;

  } else if (value === '.nan') {
    return NaN;

  } else if (value.indexOf(':') >= 0) {
    value.split(':').forEach(function (v) {
      digits.unshift(parseFloat(v, 10));
    });

    value = 0.0;
    base = 1;

    digits.forEach(function (d) {
      value += d * base;
      base *= 60;
    });

    return sign * value;

  }
  return sign * parseFloat(value, 10);
}


var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;

function representYamlFloat(object, style) {
  var res;

  if (isNaN(object)) {
    switch (style) {
      case 'lowercase': return '.nan';
      case 'uppercase': return '.NAN';
      case 'camelcase': return '.NaN';
    }
  } else if (Number.POSITIVE_INFINITY === object) {
    switch (style) {
      case 'lowercase': return '.inf';
      case 'uppercase': return '.INF';
      case 'camelcase': return '.Inf';
    }
  } else if (Number.NEGATIVE_INFINITY === object) {
    switch (style) {
      case 'lowercase': return '-.inf';
      case 'uppercase': return '-.INF';
      case 'camelcase': return '-.Inf';
    }
  } else if (common$2.isNegativeZero(object)) {
    return '-0.0';
  }

  res = object.toString(10);

  // JS stringifier can build scientific format without dots: 5e-100,
  // while YAML requres dot: 5.e-100. Fix it with simple hack

  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;
}

function isFloat(object) {
  return (Object.prototype.toString.call(object) === '[object Number]') &&
         (object % 1 !== 0 || common$2.isNegativeZero(object));
}

var float = new Type$9('tag:yaml.org,2002:float', {
  kind: 'scalar',
  resolve: resolveYamlFloat,
  construct: constructYamlFloat,
  predicate: isFloat,
  represent: representYamlFloat,
  defaultStyle: 'lowercase'
});

var Schema$3 = schema;


var json = new Schema$3({
  include: [
    failsafe
  ],
  implicit: [
    _null,
    bool,
    int,
    float
  ]
});

var Schema$2 = schema;


var core$1 = new Schema$2({
  include: [
    json
  ]
});

var Type$8 = type;

var YAML_DATE_REGEXP = new RegExp(
  '^([0-9][0-9][0-9][0-9])'          + // [1] year
  '-([0-9][0-9])'                    + // [2] month
  '-([0-9][0-9])$');                   // [3] day

var YAML_TIMESTAMP_REGEXP = new RegExp(
  '^([0-9][0-9][0-9][0-9])'          + // [1] year
  '-([0-9][0-9]?)'                   + // [2] month
  '-([0-9][0-9]?)'                   + // [3] day
  '(?:[Tt]|[ \\t]+)'                 + // ...
  '([0-9][0-9]?)'                    + // [4] hour
  ':([0-9][0-9])'                    + // [5] minute
  ':([0-9][0-9])'                    + // [6] second
  '(?:\\.([0-9]*))?'                 + // [7] fraction
  '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour
  '(?::([0-9][0-9]))?))?$');           // [11] tz_minute

function resolveYamlTimestamp(data) {
  if (data === null) return false;
  if (YAML_DATE_REGEXP.exec(data) !== null) return true;
  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;
  return false;
}

function constructYamlTimestamp(data) {
  var match, year, month, day, hour, minute, second, fraction = 0,
      delta = null, tz_hour, tz_minute, date;

  match = YAML_DATE_REGEXP.exec(data);
  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);

  if (match === null) throw new Error('Date resolve error');

  // match: [1] year [2] month [3] day

  year = +(match[1]);
  month = +(match[2]) - 1; // JS month starts with 0
  day = +(match[3]);

  if (!match[4]) { // no hour
    return new Date(Date.UTC(year, month, day));
  }

  // match: [4] hour [5] minute [6] second [7] fraction

  hour = +(match[4]);
  minute = +(match[5]);
  second = +(match[6]);

  if (match[7]) {
    fraction = match[7].slice(0, 3);
    while (fraction.length < 3) { // milli-seconds
      fraction += '0';
    }
    fraction = +fraction;
  }

  // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute

  if (match[9]) {
    tz_hour = +(match[10]);
    tz_minute = +(match[11] || 0);
    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds
    if (match[9] === '-') delta = -delta;
  }

  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));

  if (delta) date.setTime(date.getTime() - delta);

  return date;
}

function representYamlTimestamp(object /*, style*/) {
  return object.toISOString();
}

var timestamp = new Type$8('tag:yaml.org,2002:timestamp', {
  kind: 'scalar',
  resolve: resolveYamlTimestamp,
  construct: constructYamlTimestamp,
  instanceOf: Date,
  represent: representYamlTimestamp
});

var Type$7 = type;

function resolveYamlMerge(data) {
  return data === '<<' || data === null;
}

var merge = new Type$7('tag:yaml.org,2002:merge', {
  kind: 'scalar',
  resolve: resolveYamlMerge
});

function commonjsRequire(path) {
	throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.');
}

/*eslint-disable no-bitwise*/

var NodeBuffer;

try {
  // A trick for browserified version, to not include `Buffer` shim
  var _require$1 = commonjsRequire;
  NodeBuffer = _require$1('buffer').Buffer;
} catch (__) {}

var Type$6       = type;


// [ 64, 65, 66 ] -> [ padding, CR, LF ]
var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r';


function resolveYamlBinary(data) {
  if (data === null) return false;

  var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;

  // Convert one by one.
  for (idx = 0; idx < max; idx++) {
    code = map.indexOf(data.charAt(idx));

    // Skip CR/LF
    if (code > 64) continue;

    // Fail on illegal characters
    if (code < 0) return false;

    bitlen += 6;
  }

  // If there are any bits left, source was corrupted
  return (bitlen % 8) === 0;
}

function constructYamlBinary(data) {
  var idx, tailbits,
      input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan
      max = input.length,
      map = BASE64_MAP,
      bits = 0,
      result = [];

  // Collect by 6*4 bits (3 bytes)

  for (idx = 0; idx < max; idx++) {
    if ((idx % 4 === 0) && idx) {
      result.push((bits >> 16) & 0xFF);
      result.push((bits >> 8) & 0xFF);
      result.push(bits & 0xFF);
    }

    bits = (bits << 6) | map.indexOf(input.charAt(idx));
  }

  // Dump tail

  tailbits = (max % 4) * 6;

  if (tailbits === 0) {
    result.push((bits >> 16) & 0xFF);
    result.push((bits >> 8) & 0xFF);
    result.push(bits & 0xFF);
  } else if (tailbits === 18) {
    result.push((bits >> 10) & 0xFF);
    result.push((bits >> 2) & 0xFF);
  } else if (tailbits === 12) {
    result.push((bits >> 4) & 0xFF);
  }

  // Wrap into Buffer for NodeJS and leave Array for browser
  if (NodeBuffer) {
    // Support node 6.+ Buffer API when available
    return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result);
  }

  return result;
}

function representYamlBinary(object /*, style*/) {
  var result = '', bits = 0, idx, tail,
      max = object.length,
      map = BASE64_MAP;

  // Convert every three bytes to 4 ASCII characters.

  for (idx = 0; idx < max; idx++) {
    if ((idx % 3 === 0) && idx) {
      result += map[(bits >> 18) & 0x3F];
      result += map[(bits >> 12) & 0x3F];
      result += map[(bits >> 6) & 0x3F];
      result += map[bits & 0x3F];
    }

    bits = (bits << 8) + object[idx];
  }

  // Dump tail

  tail = max % 3;

  if (tail === 0) {
    result += map[(bits >> 18) & 0x3F];
    result += map[(bits >> 12) & 0x3F];
    result += map[(bits >> 6) & 0x3F];
    result += map[bits & 0x3F];
  } else if (tail === 2) {
    result += map[(bits >> 10) & 0x3F];
    result += map[(bits >> 4) & 0x3F];
    result += map[(bits << 2) & 0x3F];
    result += map[64];
  } else if (tail === 1) {
    result += map[(bits >> 2) & 0x3F];
    result += map[(bits << 4) & 0x3F];
    result += map[64];
    result += map[64];
  }

  return result;
}

function isBinary(object) {
  return NodeBuffer && NodeBuffer.isBuffer(object);
}

var binary$1 = new Type$6('tag:yaml.org,2002:binary', {
  kind: 'scalar',
  resolve: resolveYamlBinary,
  construct: constructYamlBinary,
  predicate: isBinary,
  represent: representYamlBinary
});

var Type$5 = type;

var _hasOwnProperty$4 = Object.prototype.hasOwnProperty;
var _toString$2       = Object.prototype.toString;

function resolveYamlOmap(data) {
  if (data === null) return true;

  var objectKeys = [], index, length, pair, pairKey, pairHasKey,
      object = data;

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];
    pairHasKey = false;

    if (_toString$2.call(pair) !== '[object Object]') return false;

    for (pairKey in pair) {
      if (_hasOwnProperty$4.call(pair, pairKey)) {
        if (!pairHasKey) pairHasKey = true;
        else return false;
      }
    }

    if (!pairHasKey) return false;

    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);
    else return false;
  }

  return true;
}

function constructYamlOmap(data) {
  return data !== null ? data : [];
}

var omap = new Type$5('tag:yaml.org,2002:omap', {
  kind: 'sequence',
  resolve: resolveYamlOmap,
  construct: constructYamlOmap
});

var Type$4 = type;

var _toString$1 = Object.prototype.toString;

function resolveYamlPairs(data) {
  if (data === null) return true;

  var index, length, pair, keys, result,
      object = data;

  result = new Array(object.length);

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];

    if (_toString$1.call(pair) !== '[object Object]') return false;

    keys = Object.keys(pair);

    if (keys.length !== 1) return false;

    result[index] = [ keys[0], pair[keys[0]] ];
  }

  return true;
}

function constructYamlPairs(data) {
  if (data === null) return [];

  var index, length, pair, keys, result,
      object = data;

  result = new Array(object.length);

  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];

    keys = Object.keys(pair);

    result[index] = [ keys[0], pair[keys[0]] ];
  }

  return result;
}

var pairs = new Type$4('tag:yaml.org,2002:pairs', {
  kind: 'sequence',
  resolve: resolveYamlPairs,
  construct: constructYamlPairs
});

var Type$3 = type;

var _hasOwnProperty$3 = Object.prototype.hasOwnProperty;

function resolveYamlSet(data) {
  if (data === null) return true;

  var key, object = data;

  for (key in object) {
    if (_hasOwnProperty$3.call(object, key)) {
      if (object[key] !== null) return false;
    }
  }

  return true;
}

function constructYamlSet(data) {
  return data !== null ? data : {};
}

var set = new Type$3('tag:yaml.org,2002:set', {
  kind: 'mapping',
  resolve: resolveYamlSet,
  construct: constructYamlSet
});

var Schema$1 = schema;


var default_safe = new Schema$1({
  include: [
    core$1
  ],
  implicit: [
    timestamp,
    merge
  ],
  explicit: [
    binary$1,
    omap,
    pairs,
    set
  ]
});

var Type$2 = type;

function resolveJavascriptUndefined() {
  return true;
}

function constructJavascriptUndefined() {
  /*eslint-disable no-undefined*/
  return undefined;
}

function representJavascriptUndefined() {
  return '';
}

function isUndefined(object) {
  return typeof object === 'undefined';
}

var _undefined = new Type$2('tag:yaml.org,2002:js/undefined', {
  kind: 'scalar',
  resolve: resolveJavascriptUndefined,
  construct: constructJavascriptUndefined,
  predicate: isUndefined,
  represent: representJavascriptUndefined
});

var Type$1 = type;

function resolveJavascriptRegExp(data) {
  if (data === null) return false;
  if (data.length === 0) return false;

  var regexp = data,
      tail   = /\/([gim]*)$/.exec(data),
      modifiers = '';

  // if regexp starts with '/' it can have modifiers and must be properly closed
  // `/foo/gim` - modifiers tail can be maximum 3 chars
  if (regexp[0] === '/') {
    if (tail) modifiers = tail[1];

    if (modifiers.length > 3) return false;
    // if expression starts with /, is should be properly terminated
    if (regexp[regexp.length - modifiers.length - 1] !== '/') return false;
  }

  return true;
}

function constructJavascriptRegExp(data) {
  var regexp = data,
      tail   = /\/([gim]*)$/.exec(data),
      modifiers = '';

  // `/foo/gim` - tail can be maximum 4 chars
  if (regexp[0] === '/') {
    if (tail) modifiers = tail[1];
    regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
  }

  return new RegExp(regexp, modifiers);
}

function representJavascriptRegExp(object /*, style*/) {
  var result = '/' + object.source + '/';

  if (object.global) result += 'g';
  if (object.multiline) result += 'm';
  if (object.ignoreCase) result += 'i';

  return result;
}

function isRegExp$1(object) {
  return Object.prototype.toString.call(object) === '[object RegExp]';
}

var regexp = new Type$1('tag:yaml.org,2002:js/regexp', {
  kind: 'scalar',
  resolve: resolveJavascriptRegExp,
  construct: constructJavascriptRegExp,
  predicate: isRegExp$1,
  represent: representJavascriptRegExp
});

var esprima;

// Browserified version does not have esprima
//
// 1. For node.js just require module as deps
// 2. For browser try to require mudule via external AMD system.
//    If not found - try to fallback to window.esprima. If not
//    found too - then fail to parse.
//
try {
  // workaround to exclude package from browserify list.
  var _require = commonjsRequire;
  esprima = _require('esprima');
} catch (_) {
  /* eslint-disable no-redeclare */
  /* global window */
  if (typeof window !== 'undefined') esprima = window.esprima;
}

var Type = type;

function resolveJavascriptFunction(data) {
  if (data === null) return false;

  try {
    var source = '(' + data + ')',
        ast    = esprima.parse(source, { range: true });

    if (ast.type                    !== 'Program'             ||
        ast.body.length             !== 1                     ||
        ast.body[0].type            !== 'ExpressionStatement' ||
        (ast.body[0].expression.type !== 'ArrowFunctionExpression' &&
          ast.body[0].expression.type !== 'FunctionExpression')) {
      return false;
    }

    return true;
  } catch (err) {
    return false;
  }
}

function constructJavascriptFunction(data) {
  /*jslint evil:true*/

  var source = '(' + data + ')',
      ast    = esprima.parse(source, { range: true }),
      params = [],
      body;

  if (ast.type                    !== 'Program'             ||
      ast.body.length             !== 1                     ||
      ast.body[0].type            !== 'ExpressionStatement' ||
      (ast.body[0].expression.type !== 'ArrowFunctionExpression' &&
        ast.body[0].expression.type !== 'FunctionExpression')) {
    throw new Error('Failed to resolve function');
  }

  ast.body[0].expression.params.forEach(function (param) {
    params.push(param.name);
  });

  body = ast.body[0].expression.body.range;

  // Esprima's ranges include the first '{' and the last '}' characters on
  // function expressions. So cut them out.
  if (ast.body[0].expression.body.type === 'BlockStatement') {
    /*eslint-disable no-new-func*/
    return new Function(params, source.slice(body[0] + 1, body[1] - 1));
  }
  // ES6 arrow functions can omit the BlockStatement. In that case, just return
  // the body.
  /*eslint-disable no-new-func*/
  return new Function(params, 'return ' + source.slice(body[0], body[1]));
}

function representJavascriptFunction(object /*, style*/) {
  return object.toString();
}

function isFunction$1(object) {
  return Object.prototype.toString.call(object) === '[object Function]';
}

var _function = new Type('tag:yaml.org,2002:js/function', {
  kind: 'scalar',
  resolve: resolveJavascriptFunction,
  construct: constructJavascriptFunction,
  predicate: isFunction$1,
  represent: representJavascriptFunction
});

var Schema = schema;


var default_full = Schema.DEFAULT = new Schema({
  include: [
    default_safe
  ],
  explicit: [
    _undefined,
    regexp,
    _function
  ]
});

/*eslint-disable max-len,no-use-before-define*/

var common$1              = common$6;
var YAMLException$1       = exception;
var Mark                = mark;
var DEFAULT_SAFE_SCHEMA$1 = default_safe;
var DEFAULT_FULL_SCHEMA$1 = default_full;


var _hasOwnProperty$2 = Object.prototype.hasOwnProperty;


var CONTEXT_FLOW_IN   = 1;
var CONTEXT_FLOW_OUT  = 2;
var CONTEXT_BLOCK_IN  = 3;
var CONTEXT_BLOCK_OUT = 4;


var CHOMPING_CLIP  = 1;
var CHOMPING_STRIP = 2;
var CHOMPING_KEEP  = 3;


var PATTERN_NON_PRINTABLE         = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
var PATTERN_FLOW_INDICATORS       = /[,\[\]\{\}]/;
var PATTERN_TAG_HANDLE            = /^(?:!|!!|![a-z\-]+!)$/i;
var PATTERN_TAG_URI               = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;


function _class$2(obj) { return Object.prototype.toString.call(obj); }

function is_EOL(c) {
  return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);
}

function is_WHITE_SPACE(c) {
  return (c === 0x09/* Tab */) || (c === 0x20/* Space */);
}

function is_WS_OR_EOL(c) {
  return (c === 0x09/* Tab */) ||
         (c === 0x20/* Space */) ||
         (c === 0x0A/* LF */) ||
         (c === 0x0D/* CR */);
}

function is_FLOW_INDICATOR(c) {
  return c === 0x2C/* , */ ||
         c === 0x5B/* [ */ ||
         c === 0x5D/* ] */ ||
         c === 0x7B/* { */ ||
         c === 0x7D/* } */;
}

function fromHexCode(c) {
  var lc;

  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
    return c - 0x30;
  }

  /*eslint-disable no-bitwise*/
  lc = c | 0x20;

  if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {
    return lc - 0x61 + 10;
  }

  return -1;
}

function escapedHexLen(c) {
  if (c === 0x78/* x */) { return 2; }
  if (c === 0x75/* u */) { return 4; }
  if (c === 0x55/* U */) { return 8; }
  return 0;
}

function fromDecimalCode(c) {
  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
    return c - 0x30;
  }

  return -1;
}

function simpleEscapeSequence(c) {
  /* eslint-disable indent */
  return (c === 0x30/* 0 */) ? '\x00' :
        (c === 0x61/* a */) ? '\x07' :
        (c === 0x62/* b */) ? '\x08' :
        (c === 0x74/* t */) ? '\x09' :
        (c === 0x09/* Tab */) ? '\x09' :
        (c === 0x6E/* n */) ? '\x0A' :
        (c === 0x76/* v */) ? '\x0B' :
        (c === 0x66/* f */) ? '\x0C' :
        (c === 0x72/* r */) ? '\x0D' :
        (c === 0x65/* e */) ? '\x1B' :
        (c === 0x20/* Space */) ? ' ' :
        (c === 0x22/* " */) ? '\x22' :
        (c === 0x2F/* / */) ? '/' :
        (c === 0x5C/* \ */) ? '\x5C' :
        (c === 0x4E/* N */) ? '\x85' :
        (c === 0x5F/* _ */) ? '\xA0' :
        (c === 0x4C/* L */) ? '\u2028' :
        (c === 0x50/* P */) ? '\u2029' : '';
}

function charFromCodepoint(c) {
  if (c <= 0xFFFF) {
    return String.fromCharCode(c);
  }
  // Encode UTF-16 surrogate pair
  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
  return String.fromCharCode(
    ((c - 0x010000) >> 10) + 0xD800,
    ((c - 0x010000) & 0x03FF) + 0xDC00
  );
}

var simpleEscapeCheck = new Array(256); // integer, for fast access
var simpleEscapeMap = new Array(256);
for (var i$1 = 0; i$1 < 256; i$1++) {
  simpleEscapeCheck[i$1] = simpleEscapeSequence(i$1) ? 1 : 0;
  simpleEscapeMap[i$1] = simpleEscapeSequence(i$1);
}


function State$1(input, options) {
  this.input = input;

  this.filename  = options['filename']  || null;
  this.schema    = options['schema']    || DEFAULT_FULL_SCHEMA$1;
  this.onWarning = options['onWarning'] || null;
  this.legacy    = options['legacy']    || false;
  this.json      = options['json']      || false;
  this.listener  = options['listener']  || null;

  this.implicitTypes = this.schema.compiledImplicit;
  this.typeMap       = this.schema.compiledTypeMap;

  this.length     = input.length;
  this.position   = 0;
  this.line       = 0;
  this.lineStart  = 0;
  this.lineIndent = 0;

  this.documents = [];

  /*
  this.version;
  this.checkLineBreaks;
  this.tagMap;
  this.anchorMap;
  this.tag;
  this.anchor;
  this.kind;
  this.result;*/

}


function generateError(state, message) {
  return new YAMLException$1(
    message,
    new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart)));
}

function throwError(state, message) {
  throw generateError(state, message);
}

function throwWarning(state, message) {
  if (state.onWarning) {
    state.onWarning.call(null, generateError(state, message));
  }
}


var directiveHandlers = {

  YAML: function handleYamlDirective(state, name, args) {

    var match, major, minor;

    if (state.version !== null) {
      throwError(state, 'duplication of %YAML directive');
    }

    if (args.length !== 1) {
      throwError(state, 'YAML directive accepts exactly one argument');
    }

    match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);

    if (match === null) {
      throwError(state, 'ill-formed argument of the YAML directive');
    }

    major = parseInt(match[1], 10);
    minor = parseInt(match[2], 10);

    if (major !== 1) {
      throwError(state, 'unacceptable YAML version of the document');
    }

    state.version = args[0];
    state.checkLineBreaks = (minor < 2);

    if (minor !== 1 && minor !== 2) {
      throwWarning(state, 'unsupported YAML version of the document');
    }
  },

  TAG: function handleTagDirective(state, name, args) {

    var handle, prefix;

    if (args.length !== 2) {
      throwError(state, 'TAG directive accepts exactly two arguments');
    }

    handle = args[0];
    prefix = args[1];

    if (!PATTERN_TAG_HANDLE.test(handle)) {
      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
    }

    if (_hasOwnProperty$2.call(state.tagMap, handle)) {
      throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
    }

    if (!PATTERN_TAG_URI.test(prefix)) {
      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
    }

    state.tagMap[handle] = prefix;
  }
};


function captureSegment(state, start, end, checkJson) {
  var _position, _length, _character, _result;

  if (start < end) {
    _result = state.input.slice(start, end);

    if (checkJson) {
      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
        _character = _result.charCodeAt(_position);
        if (!(_character === 0x09 ||
              (0x20 <= _character && _character <= 0x10FFFF))) {
          throwError(state, 'expected valid JSON character');
        }
      }
    } else if (PATTERN_NON_PRINTABLE.test(_result)) {
      throwError(state, 'the stream contains non-printable characters');
    }

    state.result += _result;
  }
}

function mergeMappings(state, destination, source, overridableKeys) {
  var sourceKeys, key, index, quantity;

  if (!common$1.isObject(source)) {
    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
  }

  sourceKeys = Object.keys(source);

  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
    key = sourceKeys[index];

    if (!_hasOwnProperty$2.call(destination, key)) {
      destination[key] = source[key];
      overridableKeys[key] = true;
    }
  }
}

function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) {
  var index, quantity;

  // The output is a plain object here, so keys can only be strings.
  // We need to convert keyNode to a string, but doing so can hang the process
  // (deeply nested arrays that explode exponentially using aliases).
  if (Array.isArray(keyNode)) {
    keyNode = Array.prototype.slice.call(keyNode);

    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {
      if (Array.isArray(keyNode[index])) {
        throwError(state, 'nested arrays are not supported inside keys');
      }

      if (typeof keyNode === 'object' && _class$2(keyNode[index]) === '[object Object]') {
        keyNode[index] = '[object Object]';
      }
    }
  }

  // Avoid code execution in load() via toString property
  // (still use its own toString for arrays, timestamps,
  // and whatever user schema extensions happen to have @@toStringTag)
  if (typeof keyNode === 'object' && _class$2(keyNode) === '[object Object]') {
    keyNode = '[object Object]';
  }


  keyNode = String(keyNode);

  if (_result === null) {
    _result = {};
  }

  if (keyTag === 'tag:yaml.org,2002:merge') {
    if (Array.isArray(valueNode)) {
      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
        mergeMappings(state, _result, valueNode[index], overridableKeys);
      }
    } else {
      mergeMappings(state, _result, valueNode, overridableKeys);
    }
  } else {
    if (!state.json &&
        !_hasOwnProperty$2.call(overridableKeys, keyNode) &&
        _hasOwnProperty$2.call(_result, keyNode)) {
      state.line = startLine || state.line;
      state.position = startPos || state.position;
      throwError(state, 'duplicated mapping key');
    }
    _result[keyNode] = valueNode;
    delete overridableKeys[keyNode];
  }

  return _result;
}

function readLineBreak(state) {
  var ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x0A/* LF */) {
    state.position++;
  } else if (ch === 0x0D/* CR */) {
    state.position++;
    if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
      state.position++;
    }
  } else {
    throwError(state, 'a line break is expected');
  }

  state.line += 1;
  state.lineStart = state.position;
}

function skipSeparationSpace(state, allowComments, checkIndent) {
  var lineBreaks = 0,
      ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {
    while (is_WHITE_SPACE(ch)) {
      ch = state.input.charCodeAt(++state.position);
    }

    if (allowComments && ch === 0x23/* # */) {
      do {
        ch = state.input.charCodeAt(++state.position);
      } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);
    }

    if (is_EOL(ch)) {
      readLineBreak(state);

      ch = state.input.charCodeAt(state.position);
      lineBreaks++;
      state.lineIndent = 0;

      while (ch === 0x20/* Space */) {
        state.lineIndent++;
        ch = state.input.charCodeAt(++state.position);
      }
    } else {
      break;
    }
  }

  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
    throwWarning(state, 'deficient indentation');
  }

  return lineBreaks;
}

function testDocumentSeparator(state) {
  var _position = state.position,
      ch;

  ch = state.input.charCodeAt(_position);

  // Condition state.position === state.lineStart is tested
  // in parent on each call, for efficiency. No needs to test here again.
  if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&
      ch === state.input.charCodeAt(_position + 1) &&
      ch === state.input.charCodeAt(_position + 2)) {

    _position += 3;

    ch = state.input.charCodeAt(_position);

    if (ch === 0 || is_WS_OR_EOL(ch)) {
      return true;
    }
  }

  return false;
}

function writeFoldedLines(state, count) {
  if (count === 1) {
    state.result += ' ';
  } else if (count > 1) {
    state.result += common$1.repeat('\n', count - 1);
  }
}


function readPlainScalar(state, nodeIndent, withinFlowCollection) {
  var preceding,
      following,
      captureStart,
      captureEnd,
      hasPendingContent,
      _line,
      _lineStart,
      _lineIndent,
      _kind = state.kind,
      _result = state.result,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (is_WS_OR_EOL(ch)      ||
      is_FLOW_INDICATOR(ch) ||
      ch === 0x23/* # */    ||
      ch === 0x26/* & */    ||
      ch === 0x2A/* * */    ||
      ch === 0x21/* ! */    ||
      ch === 0x7C/* | */    ||
      ch === 0x3E/* > */    ||
      ch === 0x27/* ' */    ||
      ch === 0x22/* " */    ||
      ch === 0x25/* % */    ||
      ch === 0x40/* @ */    ||
      ch === 0x60/* ` */) {
    return false;
  }

  if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {
    following = state.input.charCodeAt(state.position + 1);

    if (is_WS_OR_EOL(following) ||
        withinFlowCollection && is_FLOW_INDICATOR(following)) {
      return false;
    }
  }

  state.kind = 'scalar';
  state.result = '';
  captureStart = captureEnd = state.position;
  hasPendingContent = false;

  while (ch !== 0) {
    if (ch === 0x3A/* : */) {
      following = state.input.charCodeAt(state.position + 1);

      if (is_WS_OR_EOL(following) ||
          withinFlowCollection && is_FLOW_INDICATOR(following)) {
        break;
      }

    } else if (ch === 0x23/* # */) {
      preceding = state.input.charCodeAt(state.position - 1);

      if (is_WS_OR_EOL(preceding)) {
        break;
      }

    } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
               withinFlowCollection && is_FLOW_INDICATOR(ch)) {
      break;

    } else if (is_EOL(ch)) {
      _line = state.line;
      _lineStart = state.lineStart;
      _lineIndent = state.lineIndent;
      skipSeparationSpace(state, false, -1);

      if (state.lineIndent >= nodeIndent) {
        hasPendingContent = true;
        ch = state.input.charCodeAt(state.position);
        continue;
      } else {
        state.position = captureEnd;
        state.line = _line;
        state.lineStart = _lineStart;
        state.lineIndent = _lineIndent;
        break;
      }
    }

    if (hasPendingContent) {
      captureSegment(state, captureStart, captureEnd, false);
      writeFoldedLines(state, state.line - _line);
      captureStart = captureEnd = state.position;
      hasPendingContent = false;
    }

    if (!is_WHITE_SPACE(ch)) {
      captureEnd = state.position + 1;
    }

    ch = state.input.charCodeAt(++state.position);
  }

  captureSegment(state, captureStart, captureEnd, false);

  if (state.result) {
    return true;
  }

  state.kind = _kind;
  state.result = _result;
  return false;
}

function readSingleQuotedScalar(state, nodeIndent) {
  var ch,
      captureStart, captureEnd;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x27/* ' */) {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';
  state.position++;
  captureStart = captureEnd = state.position;

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    if (ch === 0x27/* ' */) {
      captureSegment(state, captureStart, state.position, true);
      ch = state.input.charCodeAt(++state.position);

      if (ch === 0x27/* ' */) {
        captureStart = state.position;
        state.position++;
        captureEnd = state.position;
      } else {
        return true;
      }

    } else if (is_EOL(ch)) {
      captureSegment(state, captureStart, captureEnd, true);
      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
      captureStart = captureEnd = state.position;

    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
      throwError(state, 'unexpected end of the document within a single quoted scalar');

    } else {
      state.position++;
      captureEnd = state.position;
    }
  }

  throwError(state, 'unexpected end of the stream within a single quoted scalar');
}

function readDoubleQuotedScalar(state, nodeIndent) {
  var captureStart,
      captureEnd,
      hexLength,
      hexResult,
      tmp,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x22/* " */) {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';
  state.position++;
  captureStart = captureEnd = state.position;

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    if (ch === 0x22/* " */) {
      captureSegment(state, captureStart, state.position, true);
      state.position++;
      return true;

    } else if (ch === 0x5C/* \ */) {
      captureSegment(state, captureStart, state.position, true);
      ch = state.input.charCodeAt(++state.position);

      if (is_EOL(ch)) {
        skipSeparationSpace(state, false, nodeIndent);

        // TODO: rework to inline fn with no type cast?
      } else if (ch < 256 && simpleEscapeCheck[ch]) {
        state.result += simpleEscapeMap[ch];
        state.position++;

      } else if ((tmp = escapedHexLen(ch)) > 0) {
        hexLength = tmp;
        hexResult = 0;

        for (; hexLength > 0; hexLength--) {
          ch = state.input.charCodeAt(++state.position);

          if ((tmp = fromHexCode(ch)) >= 0) {
            hexResult = (hexResult << 4) + tmp;

          } else {
            throwError(state, 'expected hexadecimal character');
          }
        }

        state.result += charFromCodepoint(hexResult);

        state.position++;

      } else {
        throwError(state, 'unknown escape sequence');
      }

      captureStart = captureEnd = state.position;

    } else if (is_EOL(ch)) {
      captureSegment(state, captureStart, captureEnd, true);
      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
      captureStart = captureEnd = state.position;

    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
      throwError(state, 'unexpected end of the document within a double quoted scalar');

    } else {
      state.position++;
      captureEnd = state.position;
    }
  }

  throwError(state, 'unexpected end of the stream within a double quoted scalar');
}

function readFlowCollection(state, nodeIndent) {
  var readNext = true,
      _line,
      _tag     = state.tag,
      _result,
      _anchor  = state.anchor,
      following,
      terminator,
      isPair,
      isExplicitPair,
      isMapping,
      overridableKeys = {},
      keyNode,
      keyTag,
      valueNode,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x5B/* [ */) {
    terminator = 0x5D;/* ] */
    isMapping = false;
    _result = [];
  } else if (ch === 0x7B/* { */) {
    terminator = 0x7D;/* } */
    isMapping = true;
    _result = {};
  } else {
    return false;
  }

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(++state.position);

  while (ch !== 0) {
    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if (ch === terminator) {
      state.position++;
      state.tag = _tag;
      state.anchor = _anchor;
      state.kind = isMapping ? 'mapping' : 'sequence';
      state.result = _result;
      return true;
    } else if (!readNext) {
      throwError(state, 'missed comma between flow collection entries');
    }

    keyTag = keyNode = valueNode = null;
    isPair = isExplicitPair = false;

    if (ch === 0x3F/* ? */) {
      following = state.input.charCodeAt(state.position + 1);

      if (is_WS_OR_EOL(following)) {
        isPair = isExplicitPair = true;
        state.position++;
        skipSeparationSpace(state, true, nodeIndent);
      }
    }

    _line = state.line;
    composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
    keyTag = state.tag;
    keyNode = state.result;
    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {
      isPair = true;
      ch = state.input.charCodeAt(++state.position);
      skipSeparationSpace(state, true, nodeIndent);
      composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
      valueNode = state.result;
    }

    if (isMapping) {
      storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode);
    } else if (isPair) {
      _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode));
    } else {
      _result.push(keyNode);
    }

    skipSeparationSpace(state, true, nodeIndent);

    ch = state.input.charCodeAt(state.position);

    if (ch === 0x2C/* , */) {
      readNext = true;
      ch = state.input.charCodeAt(++state.position);
    } else {
      readNext = false;
    }
  }

  throwError(state, 'unexpected end of the stream within a flow collection');
}

function readBlockScalar(state, nodeIndent) {
  var captureStart,
      folding,
      chomping       = CHOMPING_CLIP,
      didReadContent = false,
      detectedIndent = false,
      textIndent     = nodeIndent,
      emptyLines     = 0,
      atMoreIndented = false,
      tmp,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch === 0x7C/* | */) {
    folding = false;
  } else if (ch === 0x3E/* > */) {
    folding = true;
  } else {
    return false;
  }

  state.kind = 'scalar';
  state.result = '';

  while (ch !== 0) {
    ch = state.input.charCodeAt(++state.position);

    if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {
      if (CHOMPING_CLIP === chomping) {
        chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;
      } else {
        throwError(state, 'repeat of a chomping mode identifier');
      }

    } else if ((tmp = fromDecimalCode(ch)) >= 0) {
      if (tmp === 0) {
        throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
      } else if (!detectedIndent) {
        textIndent = nodeIndent + tmp - 1;
        detectedIndent = true;
      } else {
        throwError(state, 'repeat of an indentation width identifier');
      }

    } else {
      break;
    }
  }

  if (is_WHITE_SPACE(ch)) {
    do { ch = state.input.charCodeAt(++state.position); }
    while (is_WHITE_SPACE(ch));

    if (ch === 0x23/* # */) {
      do { ch = state.input.charCodeAt(++state.position); }
      while (!is_EOL(ch) && (ch !== 0));
    }
  }

  while (ch !== 0) {
    readLineBreak(state);
    state.lineIndent = 0;

    ch = state.input.charCodeAt(state.position);

    while ((!detectedIndent || state.lineIndent < textIndent) &&
           (ch === 0x20/* Space */)) {
      state.lineIndent++;
      ch = state.input.charCodeAt(++state.position);
    }

    if (!detectedIndent && state.lineIndent > textIndent) {
      textIndent = state.lineIndent;
    }

    if (is_EOL(ch)) {
      emptyLines++;
      continue;
    }

    // End of the scalar.
    if (state.lineIndent < textIndent) {

      // Perform the chomping.
      if (chomping === CHOMPING_KEEP) {
        state.result += common$1.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
      } else if (chomping === CHOMPING_CLIP) {
        if (didReadContent) { // i.e. only if the scalar is not empty.
          state.result += '\n';
        }
      }

      // Break this `while` cycle and go to the funciton's epilogue.
      break;
    }

    // Folded style: use fancy rules to handle line breaks.
    if (folding) {

      // Lines starting with white space characters (more-indented lines) are not folded.
      if (is_WHITE_SPACE(ch)) {
        atMoreIndented = true;
        // except for the first content line (cf. Example 8.1)
        state.result += common$1.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);

      // End of more-indented block.
      } else if (atMoreIndented) {
        atMoreIndented = false;
        state.result += common$1.repeat('\n', emptyLines + 1);

      // Just one line break - perceive as the same line.
      } else if (emptyLines === 0) {
        if (didReadContent) { // i.e. only if we have already read some scalar content.
          state.result += ' ';
        }

      // Several line breaks - perceive as different lines.
      } else {
        state.result += common$1.repeat('\n', emptyLines);
      }

    // Literal style: just add exact number of line breaks between content lines.
    } else {
      // Keep all line breaks except the header line break.
      state.result += common$1.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
    }

    didReadContent = true;
    detectedIndent = true;
    emptyLines = 0;
    captureStart = state.position;

    while (!is_EOL(ch) && (ch !== 0)) {
      ch = state.input.charCodeAt(++state.position);
    }

    captureSegment(state, captureStart, state.position, false);
  }

  return true;
}

function readBlockSequence(state, nodeIndent) {
  var _line,
      _tag      = state.tag,
      _anchor   = state.anchor,
      _result   = [],
      following,
      detected  = false,
      ch;

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {

    if (ch !== 0x2D/* - */) {
      break;
    }

    following = state.input.charCodeAt(state.position + 1);

    if (!is_WS_OR_EOL(following)) {
      break;
    }

    detected = true;
    state.position++;

    if (skipSeparationSpace(state, true, -1)) {
      if (state.lineIndent <= nodeIndent) {
        _result.push(null);
        ch = state.input.charCodeAt(state.position);
        continue;
      }
    }

    _line = state.line;
    composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
    _result.push(state.result);
    skipSeparationSpace(state, true, -1);

    ch = state.input.charCodeAt(state.position);

    if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
      throwError(state, 'bad indentation of a sequence entry');
    } else if (state.lineIndent < nodeIndent) {
      break;
    }
  }

  if (detected) {
    state.tag = _tag;
    state.anchor = _anchor;
    state.kind = 'sequence';
    state.result = _result;
    return true;
  }
  return false;
}

function readBlockMapping(state, nodeIndent, flowIndent) {
  var following,
      allowCompact,
      _line,
      _pos,
      _tag          = state.tag,
      _anchor       = state.anchor,
      _result       = {},
      overridableKeys = {},
      keyTag        = null,
      keyNode       = null,
      valueNode     = null,
      atExplicitKey = false,
      detected      = false,
      ch;

  if (state.anchor !== null) {
    state.anchorMap[state.anchor] = _result;
  }

  ch = state.input.charCodeAt(state.position);

  while (ch !== 0) {
    following = state.input.charCodeAt(state.position + 1);
    _line = state.line; // Save the current line.
    _pos = state.position;

    //
    // Explicit notation case. There are two separate blocks:
    // first for the key (denoted by "?") and second for the value (denoted by ":")
    //
    if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {

      if (ch === 0x3F/* ? */) {
        if (atExplicitKey) {
          storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
          keyTag = keyNode = valueNode = null;
        }

        detected = true;
        atExplicitKey = true;
        allowCompact = true;

      } else if (atExplicitKey) {
        // i.e. 0x3A/* : */ === character after the explicit key.
        atExplicitKey = false;
        allowCompact = true;

      } else {
        throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');
      }

      state.position += 1;
      ch = following;

    //
    // Implicit notation case. Flow-style node as the key first, then ":", and the value.
    //
    } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {

      if (state.line === _line) {
        ch = state.input.charCodeAt(state.position);

        while (is_WHITE_SPACE(ch)) {
          ch = state.input.charCodeAt(++state.position);
        }

        if (ch === 0x3A/* : */) {
          ch = state.input.charCodeAt(++state.position);

          if (!is_WS_OR_EOL(ch)) {
            throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
          }

          if (atExplicitKey) {
            storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
            keyTag = keyNode = valueNode = null;
          }

          detected = true;
          atExplicitKey = false;
          allowCompact = false;
          keyTag = state.tag;
          keyNode = state.result;

        } else if (detected) {
          throwError(state, 'can not read an implicit mapping pair; a colon is missed');

        } else {
          state.tag = _tag;
          state.anchor = _anchor;
          return true; // Keep the result of `composeNode`.
        }

      } else if (detected) {
        throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');

      } else {
        state.tag = _tag;
        state.anchor = _anchor;
        return true; // Keep the result of `composeNode`.
      }

    } else {
      break; // Reading is done. Go to the epilogue.
    }

    //
    // Common reading code for both explicit and implicit notations.
    //
    if (state.line === _line || state.lineIndent > nodeIndent) {
      if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
        if (atExplicitKey) {
          keyNode = state.result;
        } else {
          valueNode = state.result;
        }
      }

      if (!atExplicitKey) {
        storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos);
        keyTag = keyNode = valueNode = null;
      }

      skipSeparationSpace(state, true, -1);
      ch = state.input.charCodeAt(state.position);
    }

    if (state.lineIndent > nodeIndent && (ch !== 0)) {
      throwError(state, 'bad indentation of a mapping entry');
    } else if (state.lineIndent < nodeIndent) {
      break;
    }
  }

  //
  // Epilogue.
  //

  // Special case: last mapping's node contains only the key in explicit notation.
  if (atExplicitKey) {
    storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
  }

  // Expose the resulting mapping.
  if (detected) {
    state.tag = _tag;
    state.anchor = _anchor;
    state.kind = 'mapping';
    state.result = _result;
  }

  return detected;
}

function readTagProperty(state) {
  var _position,
      isVerbatim = false,
      isNamed    = false,
      tagHandle,
      tagName,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x21/* ! */) return false;

  if (state.tag !== null) {
    throwError(state, 'duplication of a tag property');
  }

  ch = state.input.charCodeAt(++state.position);

  if (ch === 0x3C/* < */) {
    isVerbatim = true;
    ch = state.input.charCodeAt(++state.position);

  } else if (ch === 0x21/* ! */) {
    isNamed = true;
    tagHandle = '!!';
    ch = state.input.charCodeAt(++state.position);

  } else {
    tagHandle = '!';
  }

  _position = state.position;

  if (isVerbatim) {
    do { ch = state.input.charCodeAt(++state.position); }
    while (ch !== 0 && ch !== 0x3E/* > */);

    if (state.position < state.length) {
      tagName = state.input.slice(_position, state.position);
      ch = state.input.charCodeAt(++state.position);
    } else {
      throwError(state, 'unexpected end of the stream within a verbatim tag');
    }
  } else {
    while (ch !== 0 && !is_WS_OR_EOL(ch)) {

      if (ch === 0x21/* ! */) {
        if (!isNamed) {
          tagHandle = state.input.slice(_position - 1, state.position + 1);

          if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
            throwError(state, 'named tag handle cannot contain such characters');
          }

          isNamed = true;
          _position = state.position + 1;
        } else {
          throwError(state, 'tag suffix cannot contain exclamation marks');
        }
      }

      ch = state.input.charCodeAt(++state.position);
    }

    tagName = state.input.slice(_position, state.position);

    if (PATTERN_FLOW_INDICATORS.test(tagName)) {
      throwError(state, 'tag suffix cannot contain flow indicator characters');
    }
  }

  if (tagName && !PATTERN_TAG_URI.test(tagName)) {
    throwError(state, 'tag name cannot contain such characters: ' + tagName);
  }

  if (isVerbatim) {
    state.tag = tagName;

  } else if (_hasOwnProperty$2.call(state.tagMap, tagHandle)) {
    state.tag = state.tagMap[tagHandle] + tagName;

  } else if (tagHandle === '!') {
    state.tag = '!' + tagName;

  } else if (tagHandle === '!!') {
    state.tag = 'tag:yaml.org,2002:' + tagName;

  } else {
    throwError(state, 'undeclared tag handle "' + tagHandle + '"');
  }

  return true;
}

function readAnchorProperty(state) {
  var _position,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x26/* & */) return false;

  if (state.anchor !== null) {
    throwError(state, 'duplication of an anchor property');
  }

  ch = state.input.charCodeAt(++state.position);
  _position = state.position;

  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
    ch = state.input.charCodeAt(++state.position);
  }

  if (state.position === _position) {
    throwError(state, 'name of an anchor node must contain at least one character');
  }

  state.anchor = state.input.slice(_position, state.position);
  return true;
}

function readAlias(state) {
  var _position, alias,
      ch;

  ch = state.input.charCodeAt(state.position);

  if (ch !== 0x2A/* * */) return false;

  ch = state.input.charCodeAt(++state.position);
  _position = state.position;

  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
    ch = state.input.charCodeAt(++state.position);
  }

  if (state.position === _position) {
    throwError(state, 'name of an alias node must contain at least one character');
  }

  alias = state.input.slice(_position, state.position);

  if (!_hasOwnProperty$2.call(state.anchorMap, alias)) {
    throwError(state, 'unidentified alias "' + alias + '"');
  }

  state.result = state.anchorMap[alias];
  skipSeparationSpace(state, true, -1);
  return true;
}

function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
  var allowBlockStyles,
      allowBlockScalars,
      allowBlockCollections,
      indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent
      atNewLine  = false,
      hasContent = false,
      typeIndex,
      typeQuantity,
      type,
      flowIndent,
      blockIndent;

  if (state.listener !== null) {
    state.listener('open', state);
  }

  state.tag    = null;
  state.anchor = null;
  state.kind   = null;
  state.result = null;

  allowBlockStyles = allowBlockScalars = allowBlockCollections =
    CONTEXT_BLOCK_OUT === nodeContext ||
    CONTEXT_BLOCK_IN  === nodeContext;

  if (allowToSeek) {
    if (skipSeparationSpace(state, true, -1)) {
      atNewLine = true;

      if (state.lineIndent > parentIndent) {
        indentStatus = 1;
      } else if (state.lineIndent === parentIndent) {
        indentStatus = 0;
      } else if (state.lineIndent < parentIndent) {
        indentStatus = -1;
      }
    }
  }

  if (indentStatus === 1) {
    while (readTagProperty(state) || readAnchorProperty(state)) {
      if (skipSeparationSpace(state, true, -1)) {
        atNewLine = true;
        allowBlockCollections = allowBlockStyles;

        if (state.lineIndent > parentIndent) {
          indentStatus = 1;
        } else if (state.lineIndent === parentIndent) {
          indentStatus = 0;
        } else if (state.lineIndent < parentIndent) {
          indentStatus = -1;
        }
      } else {
        allowBlockCollections = false;
      }
    }
  }

  if (allowBlockCollections) {
    allowBlockCollections = atNewLine || allowCompact;
  }

  if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
    if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
      flowIndent = parentIndent;
    } else {
      flowIndent = parentIndent + 1;
    }

    blockIndent = state.position - state.lineStart;

    if (indentStatus === 1) {
      if (allowBlockCollections &&
          (readBlockSequence(state, blockIndent) ||
           readBlockMapping(state, blockIndent, flowIndent)) ||
          readFlowCollection(state, flowIndent)) {
        hasContent = true;
      } else {
        if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||
            readSingleQuotedScalar(state, flowIndent) ||
            readDoubleQuotedScalar(state, flowIndent)) {
          hasContent = true;

        } else if (readAlias(state)) {
          hasContent = true;

          if (state.tag !== null || state.anchor !== null) {
            throwError(state, 'alias node should not have any properties');
          }

        } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
          hasContent = true;

          if (state.tag === null) {
            state.tag = '?';
          }
        }

        if (state.anchor !== null) {
          state.anchorMap[state.anchor] = state.result;
        }
      }
    } else if (indentStatus === 0) {
      // Special case: block sequences are allowed to have same indentation level as the parent.
      // http://www.yaml.org/spec/1.2/spec.html#id2799784
      hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);
    }
  }

  if (state.tag !== null && state.tag !== '!') {
    if (state.tag === '?') {
      // Implicit resolving is not allowed for non-scalar types, and '?'
      // non-specific tag is only automatically assigned to plain scalars.
      //
      // We only need to check kind conformity in case user explicitly assigns '?'
      // tag, for example like this: "!<?> [0]"
      //
      if (state.result !== null && state.kind !== 'scalar') {
        throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"');
      }

      for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
        type = state.implicitTypes[typeIndex];

        if (type.resolve(state.result)) { // `state.result` updated in resolver if matched
          state.result = type.construct(state.result);
          state.tag = type.tag;
          if (state.anchor !== null) {
            state.anchorMap[state.anchor] = state.result;
          }
          break;
        }
      }
    } else if (_hasOwnProperty$2.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
      type = state.typeMap[state.kind || 'fallback'][state.tag];

      if (state.result !== null && type.kind !== state.kind) {
        throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"');
      }

      if (!type.resolve(state.result)) { // `state.result` updated in resolver if matched
        throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
      } else {
        state.result = type.construct(state.result);
        if (state.anchor !== null) {
          state.anchorMap[state.anchor] = state.result;
        }
      }
    } else {
      throwError(state, 'unknown tag !<' + state.tag + '>');
    }
  }

  if (state.listener !== null) {
    state.listener('close', state);
  }
  return state.tag !== null ||  state.anchor !== null || hasContent;
}

function readDocument(state) {
  var documentStart = state.position,
      _position,
      directiveName,
      directiveArgs,
      hasDirectives = false,
      ch;

  state.version = null;
  state.checkLineBreaks = state.legacy;
  state.tagMap = {};
  state.anchorMap = {};

  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
    skipSeparationSpace(state, true, -1);

    ch = state.input.charCodeAt(state.position);

    if (state.lineIndent > 0 || ch !== 0x25/* % */) {
      break;
    }

    hasDirectives = true;
    ch = state.input.charCodeAt(++state.position);
    _position = state.position;

    while (ch !== 0 && !is_WS_OR_EOL(ch)) {
      ch = state.input.charCodeAt(++state.position);
    }

    directiveName = state.input.slice(_position, state.position);
    directiveArgs = [];

    if (directiveName.length < 1) {
      throwError(state, 'directive name must not be less than one character in length');
    }

    while (ch !== 0) {
      while (is_WHITE_SPACE(ch)) {
        ch = state.input.charCodeAt(++state.position);
      }

      if (ch === 0x23/* # */) {
        do { ch = state.input.charCodeAt(++state.position); }
        while (ch !== 0 && !is_EOL(ch));
        break;
      }

      if (is_EOL(ch)) break;

      _position = state.position;

      while (ch !== 0 && !is_WS_OR_EOL(ch)) {
        ch = state.input.charCodeAt(++state.position);
      }

      directiveArgs.push(state.input.slice(_position, state.position));
    }

    if (ch !== 0) readLineBreak(state);

    if (_hasOwnProperty$2.call(directiveHandlers, directiveName)) {
      directiveHandlers[directiveName](state, directiveName, directiveArgs);
    } else {
      throwWarning(state, 'unknown document directive "' + directiveName + '"');
    }
  }

  skipSeparationSpace(state, true, -1);

  if (state.lineIndent === 0 &&
      state.input.charCodeAt(state.position)     === 0x2D/* - */ &&
      state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&
      state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {
    state.position += 3;
    skipSeparationSpace(state, true, -1);

  } else if (hasDirectives) {
    throwError(state, 'directives end mark is expected');
  }

  composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);
  skipSeparationSpace(state, true, -1);

  if (state.checkLineBreaks &&
      PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
    throwWarning(state, 'non-ASCII line breaks are interpreted as content');
  }

  state.documents.push(state.result);

  if (state.position === state.lineStart && testDocumentSeparator(state)) {

    if (state.input.charCodeAt(state.position) === 0x2E/* . */) {
      state.position += 3;
      skipSeparationSpace(state, true, -1);
    }
    return;
  }

  if (state.position < (state.length - 1)) {
    throwError(state, 'end of the stream or a document separator is expected');
  } else {
    return;
  }
}


function loadDocuments(input, options) {
  input = String(input);
  options = options || {};

  if (input.length !== 0) {

    // Add tailing `\n` if not exists
    if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&
        input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {
      input += '\n';
    }

    // Strip BOM
    if (input.charCodeAt(0) === 0xFEFF) {
      input = input.slice(1);
    }
  }

  var state = new State$1(input, options);

  var nullpos = input.indexOf('\0');

  if (nullpos !== -1) {
    state.position = nullpos;
    throwError(state, 'null byte is not allowed in input');
  }

  // Use 0 as string terminator. That significantly simplifies bounds check.
  state.input += '\0';

  while (state.input.charCodeAt(state.position) === 0x20/* Space */) {
    state.lineIndent += 1;
    state.position += 1;
  }

  while (state.position < (state.length - 1)) {
    readDocument(state);
  }

  return state.documents;
}


function loadAll(input, iterator, options) {
  if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {
    options = iterator;
    iterator = null;
  }

  var documents = loadDocuments(input, options);

  if (typeof iterator !== 'function') {
    return documents;
  }

  for (var index = 0, length = documents.length; index < length; index += 1) {
    iterator(documents[index]);
  }
}


function load$1(input, options) {
  var documents = loadDocuments(input, options);

  if (documents.length === 0) {
    /*eslint-disable no-undefined*/
    return undefined;
  } else if (documents.length === 1) {
    return documents[0];
  }
  throw new YAMLException$1('expected a single document in the stream, but found more');
}


function safeLoadAll(input, iterator, options) {
  if (typeof iterator === 'object' && iterator !== null && typeof options === 'undefined') {
    options = iterator;
    iterator = null;
  }

  return loadAll(input, iterator, common$1.extend({ schema: DEFAULT_SAFE_SCHEMA$1 }, options));
}


function safeLoad(input, options) {
  return load$1(input, common$1.extend({ schema: DEFAULT_SAFE_SCHEMA$1 }, options));
}


loader$1.loadAll     = loadAll;
loader$1.load        = load$1;
loader$1.safeLoadAll = safeLoadAll;
loader$1.safeLoad    = safeLoad;

var dumper$1 = {};

/*eslint-disable no-use-before-define*/

var common              = common$6;
var YAMLException       = exception;
var DEFAULT_FULL_SCHEMA = default_full;
var DEFAULT_SAFE_SCHEMA = default_safe;

var _toString       = Object.prototype.toString;
var _hasOwnProperty$1 = Object.prototype.hasOwnProperty;

var CHAR_TAB                  = 0x09; /* Tab */
var CHAR_LINE_FEED            = 0x0A; /* LF */
var CHAR_CARRIAGE_RETURN      = 0x0D; /* CR */
var CHAR_SPACE                = 0x20; /* Space */
var CHAR_EXCLAMATION          = 0x21; /* ! */
var CHAR_DOUBLE_QUOTE         = 0x22; /* " */
var CHAR_SHARP                = 0x23; /* # */
var CHAR_PERCENT              = 0x25; /* % */
var CHAR_AMPERSAND            = 0x26; /* & */
var CHAR_SINGLE_QUOTE         = 0x27; /* ' */
var CHAR_ASTERISK             = 0x2A; /* * */
var CHAR_COMMA                = 0x2C; /* , */
var CHAR_MINUS                = 0x2D; /* - */
var CHAR_COLON                = 0x3A; /* : */
var CHAR_EQUALS               = 0x3D; /* = */
var CHAR_GREATER_THAN         = 0x3E; /* > */
var CHAR_QUESTION             = 0x3F; /* ? */
var CHAR_COMMERCIAL_AT        = 0x40; /* @ */
var CHAR_LEFT_SQUARE_BRACKET  = 0x5B; /* [ */
var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */
var CHAR_GRAVE_ACCENT         = 0x60; /* ` */
var CHAR_LEFT_CURLY_BRACKET   = 0x7B; /* { */
var CHAR_VERTICAL_LINE        = 0x7C; /* | */
var CHAR_RIGHT_CURLY_BRACKET  = 0x7D; /* } */

var ESCAPE_SEQUENCES = {};

ESCAPE_SEQUENCES[0x00]   = '\\0';
ESCAPE_SEQUENCES[0x07]   = '\\a';
ESCAPE_SEQUENCES[0x08]   = '\\b';
ESCAPE_SEQUENCES[0x09]   = '\\t';
ESCAPE_SEQUENCES[0x0A]   = '\\n';
ESCAPE_SEQUENCES[0x0B]   = '\\v';
ESCAPE_SEQUENCES[0x0C]   = '\\f';
ESCAPE_SEQUENCES[0x0D]   = '\\r';
ESCAPE_SEQUENCES[0x1B]   = '\\e';
ESCAPE_SEQUENCES[0x22]   = '\\"';
ESCAPE_SEQUENCES[0x5C]   = '\\\\';
ESCAPE_SEQUENCES[0x85]   = '\\N';
ESCAPE_SEQUENCES[0xA0]   = '\\_';
ESCAPE_SEQUENCES[0x2028] = '\\L';
ESCAPE_SEQUENCES[0x2029] = '\\P';

var DEPRECATED_BOOLEANS_SYNTAX = [
  'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',
  'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'
];

function compileStyleMap(schema, map) {
  var result, keys, index, length, tag, style, type;

  if (map === null) return {};

  result = {};
  keys = Object.keys(map);

  for (index = 0, length = keys.length; index < length; index += 1) {
    tag = keys[index];
    style = String(map[tag]);

    if (tag.slice(0, 2) === '!!') {
      tag = 'tag:yaml.org,2002:' + tag.slice(2);
    }
    type = schema.compiledTypeMap['fallback'][tag];

    if (type && _hasOwnProperty$1.call(type.styleAliases, style)) {
      style = type.styleAliases[style];
    }

    result[tag] = style;
  }

  return result;
}

function encodeHex(character) {
  var string, handle, length;

  string = character.toString(16).toUpperCase();

  if (character <= 0xFF) {
    handle = 'x';
    length = 2;
  } else if (character <= 0xFFFF) {
    handle = 'u';
    length = 4;
  } else if (character <= 0xFFFFFFFF) {
    handle = 'U';
    length = 8;
  } else {
    throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF');
  }

  return '\\' + handle + common.repeat('0', length - string.length) + string;
}

function State(options) {
  this.schema        = options['schema'] || DEFAULT_FULL_SCHEMA;
  this.indent        = Math.max(1, (options['indent'] || 2));
  this.noArrayIndent = options['noArrayIndent'] || false;
  this.skipInvalid   = options['skipInvalid'] || false;
  this.flowLevel     = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);
  this.styleMap      = compileStyleMap(this.schema, options['styles'] || null);
  this.sortKeys      = options['sortKeys'] || false;
  this.lineWidth     = options['lineWidth'] || 80;
  this.noRefs        = options['noRefs'] || false;
  this.noCompatMode  = options['noCompatMode'] || false;
  this.condenseFlow  = options['condenseFlow'] || false;

  this.implicitTypes = this.schema.compiledImplicit;
  this.explicitTypes = this.schema.compiledExplicit;

  this.tag = null;
  this.result = '';

  this.duplicates = [];
  this.usedDuplicates = null;
}

// Indents every line in a string. Empty lines (\n only) are not indented.
function indentString(string, spaces) {
  var ind = common.repeat(' ', spaces),
      position = 0,
      next = -1,
      result = '',
      line,
      length = string.length;

  while (position < length) {
    next = string.indexOf('\n', position);
    if (next === -1) {
      line = string.slice(position);
      position = length;
    } else {
      line = string.slice(position, next + 1);
      position = next + 1;
    }

    if (line.length && line !== '\n') result += ind;

    result += line;
  }

  return result;
}

function generateNextLine(state, level) {
  return '\n' + common.repeat(' ', state.indent * level);
}

function testImplicitResolving(state, str) {
  var index, length, type;

  for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {
    type = state.implicitTypes[index];

    if (type.resolve(str)) {
      return true;
    }
  }

  return false;
}

// [33] s-white ::= s-space | s-tab
function isWhitespace(c) {
  return c === CHAR_SPACE || c === CHAR_TAB;
}

// Returns true if the character can be printed without escaping.
// From YAML 1.2: "any allowed characters known to be non-printable
// should also be escaped. [However,] This isn’t mandatory"
// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029.
function isPrintable(c) {
  return  (0x00020 <= c && c <= 0x00007E)
      || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)
      || ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */)
      ||  (0x10000 <= c && c <= 0x10FFFF);
}

// [34] ns-char ::= nb-char - s-white
// [27] nb-char ::= c-printable - b-char - c-byte-order-mark
// [26] b-char  ::= b-line-feed | b-carriage-return
// [24] b-line-feed       ::=     #xA    /* LF */
// [25] b-carriage-return ::=     #xD    /* CR */
// [3]  c-byte-order-mark ::=     #xFEFF
function isNsChar(c) {
  return isPrintable(c) && !isWhitespace(c)
    // byte-order-mark
    && c !== 0xFEFF
    // b-char
    && c !== CHAR_CARRIAGE_RETURN
    && c !== CHAR_LINE_FEED;
}

// Simplified test for values allowed after the first character in plain style.
function isPlainSafe(c, prev) {
  // Uses a subset of nb-char - c-flow-indicator - ":" - "#"
  // where nb-char ::= c-printable - b-char - c-byte-order-mark.
  return isPrintable(c) && c !== 0xFEFF
    // - c-flow-indicator
    && c !== CHAR_COMMA
    && c !== CHAR_LEFT_SQUARE_BRACKET
    && c !== CHAR_RIGHT_SQUARE_BRACKET
    && c !== CHAR_LEFT_CURLY_BRACKET
    && c !== CHAR_RIGHT_CURLY_BRACKET
    // - ":" - "#"
    // /* An ns-char preceding */ "#"
    && c !== CHAR_COLON
    && ((c !== CHAR_SHARP) || (prev && isNsChar(prev)));
}

// Simplified test for values allowed as the first character in plain style.
function isPlainSafeFirst(c) {
  // Uses a subset of ns-char - c-indicator
  // where ns-char = nb-char - s-white.
  return isPrintable(c) && c !== 0xFEFF
    && !isWhitespace(c) // - s-white
    // - (c-indicator ::=
    // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”
    && c !== CHAR_MINUS
    && c !== CHAR_QUESTION
    && c !== CHAR_COLON
    && c !== CHAR_COMMA
    && c !== CHAR_LEFT_SQUARE_BRACKET
    && c !== CHAR_RIGHT_SQUARE_BRACKET
    && c !== CHAR_LEFT_CURLY_BRACKET
    && c !== CHAR_RIGHT_CURLY_BRACKET
    // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"”
    && c !== CHAR_SHARP
    && c !== CHAR_AMPERSAND
    && c !== CHAR_ASTERISK
    && c !== CHAR_EXCLAMATION
    && c !== CHAR_VERTICAL_LINE
    && c !== CHAR_EQUALS
    && c !== CHAR_GREATER_THAN
    && c !== CHAR_SINGLE_QUOTE
    && c !== CHAR_DOUBLE_QUOTE
    // | “%” | “@” | “`”)
    && c !== CHAR_PERCENT
    && c !== CHAR_COMMERCIAL_AT
    && c !== CHAR_GRAVE_ACCENT;
}

// Determines whether block indentation indicator is required.
function needIndentIndicator(string) {
  var leadingSpaceRe = /^\n* /;
  return leadingSpaceRe.test(string);
}

var STYLE_PLAIN   = 1,
    STYLE_SINGLE  = 2,
    STYLE_LITERAL = 3,
    STYLE_FOLDED  = 4,
    STYLE_DOUBLE  = 5;

// Determines which scalar styles are possible and returns the preferred style.
// lineWidth = -1 => no limit.
// Pre-conditions: str.length > 0.
// Post-conditions:
//    STYLE_PLAIN or STYLE_SINGLE => no \n are in the string.
//    STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).
//    STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).
function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) {
  var i;
  var char, prev_char;
  var hasLineBreak = false;
  var hasFoldableLine = false; // only checked if shouldTrackWidth
  var shouldTrackWidth = lineWidth !== -1;
  var previousLineBreak = -1; // count the first line correctly
  var plain = isPlainSafeFirst(string.charCodeAt(0))
          && !isWhitespace(string.charCodeAt(string.length - 1));

  if (singleLineOnly) {
    // Case: no block styles.
    // Check for disallowed characters to rule out plain and single.
    for (i = 0; i < string.length; i++) {
      char = string.charCodeAt(i);
      if (!isPrintable(char)) {
        return STYLE_DOUBLE;
      }
      prev_char = i > 0 ? string.charCodeAt(i - 1) : null;
      plain = plain && isPlainSafe(char, prev_char);
    }
  } else {
    // Case: block styles permitted.
    for (i = 0; i < string.length; i++) {
      char = string.charCodeAt(i);
      if (char === CHAR_LINE_FEED) {
        hasLineBreak = true;
        // Check if any line can be folded.
        if (shouldTrackWidth) {
          hasFoldableLine = hasFoldableLine ||
            // Foldable line = too long, and not more-indented.
            (i - previousLineBreak - 1 > lineWidth &&
             string[previousLineBreak + 1] !== ' ');
          previousLineBreak = i;
        }
      } else if (!isPrintable(char)) {
        return STYLE_DOUBLE;
      }
      prev_char = i > 0 ? string.charCodeAt(i - 1) : null;
      plain = plain && isPlainSafe(char, prev_char);
    }
    // in case the end is missing a \n
    hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&
      (i - previousLineBreak - 1 > lineWidth &&
       string[previousLineBreak + 1] !== ' '));
  }
  // Although every style can represent \n without escaping, prefer block styles
  // for multiline, since they're more readable and they don't add empty lines.
  // Also prefer folding a super-long line.
  if (!hasLineBreak && !hasFoldableLine) {
    // Strings interpretable as another type have to be quoted;
    // e.g. the string 'true' vs. the boolean true.
    return plain && !testAmbiguousType(string)
      ? STYLE_PLAIN : STYLE_SINGLE;
  }
  // Edge case: block indentation indicator can only have one digit.
  if (indentPerLevel > 9 && needIndentIndicator(string)) {
    return STYLE_DOUBLE;
  }
  // At this point we know block styles are valid.
  // Prefer literal style unless we want to fold.
  return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;
}

// Note: line breaking/folding is implemented for only the folded style.
// NB. We drop the last trailing newline (if any) of a returned block scalar
//  since the dumper adds its own newline. This always works:
//    • No ending newline => unaffected; already using strip "-" chomping.
//    • Ending newline    => removed then restored.
//  Importantly, this keeps the "+" chomp indicator from gaining an extra line.
function writeScalar(state, string, level, iskey) {
  state.dump = (function () {
    if (string.length === 0) {
      return "''";
    }
    if (!state.noCompatMode &&
        DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) {
      return "'" + string + "'";
    }

    var indent = state.indent * Math.max(1, level); // no 0-indent scalars
    // As indentation gets deeper, let the width decrease monotonically
    // to the lower bound min(state.lineWidth, 40).
    // Note that this implies
    //  state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.
    //  state.lineWidth > 40 + state.indent: width decreases until the lower bound.
    // This behaves better than a constant minimum width which disallows narrower options,
    // or an indent threshold which causes the width to suddenly increase.
    var lineWidth = state.lineWidth === -1
      ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);

    // Without knowing if keys are implicit/explicit, assume implicit for safety.
    var singleLineOnly = iskey
      // No block styles in flow mode.
      || (state.flowLevel > -1 && level >= state.flowLevel);
    function testAmbiguity(string) {
      return testImplicitResolving(state, string);
    }

    switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) {
      case STYLE_PLAIN:
        return string;
      case STYLE_SINGLE:
        return "'" + string.replace(/'/g, "''") + "'";
      case STYLE_LITERAL:
        return '|' + blockHeader(string, state.indent)
          + dropEndingNewline(indentString(string, indent));
      case STYLE_FOLDED:
        return '>' + blockHeader(string, state.indent)
          + dropEndingNewline(indentString(foldString(string, lineWidth), indent));
      case STYLE_DOUBLE:
        return '"' + escapeString(string) + '"';
      default:
        throw new YAMLException('impossible error: invalid scalar style');
    }
  }());
}

// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.
function blockHeader(string, indentPerLevel) {
  var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';

  // note the special case: the string '\n' counts as a "trailing" empty line.
  var clip =          string[string.length - 1] === '\n';
  var keep = clip && (string[string.length - 2] === '\n' || string === '\n');
  var chomp = keep ? '+' : (clip ? '' : '-');

  return indentIndicator + chomp + '\n';
}

// (See the note for writeScalar.)
function dropEndingNewline(string) {
  return string[string.length - 1] === '\n' ? string.slice(0, -1) : string;
}

// Note: a long line without a suitable break point will exceed the width limit.
// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.
function foldString(string, width) {
  // In folded style, $k$ consecutive newlines output as $k+1$ newlines—
  // unless they're before or after a more-indented line, or at the very
  // beginning or end, in which case $k$ maps to $k$.
  // Therefore, parse each chunk as newline(s) followed by a content line.
  var lineRe = /(\n+)([^\n]*)/g;

  // first line (possibly an empty line)
  var result = (function () {
    var nextLF = string.indexOf('\n');
    nextLF = nextLF !== -1 ? nextLF : string.length;
    lineRe.lastIndex = nextLF;
    return foldLine(string.slice(0, nextLF), width);
  }());
  // If we haven't reached the first content line yet, don't add an extra \n.
  var prevMoreIndented = string[0] === '\n' || string[0] === ' ';
  var moreIndented;

  // rest of the lines
  var match;
  while ((match = lineRe.exec(string))) {
    var prefix = match[1], line = match[2];
    moreIndented = (line[0] === ' ');
    result += prefix
      + (!prevMoreIndented && !moreIndented && line !== ''
        ? '\n' : '')
      + foldLine(line, width);
    prevMoreIndented = moreIndented;
  }

  return result;
}

// Greedy line breaking.
// Picks the longest line under the limit each time,
// otherwise settles for the shortest line over the limit.
// NB. More-indented lines *cannot* be folded, as that would add an extra \n.
function foldLine(line, width) {
  if (line === '' || line[0] === ' ') return line;

  // Since a more-indented line adds a \n, breaks can't be followed by a space.
  var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.
  var match;
  // start is an inclusive index. end, curr, and next are exclusive.
  var start = 0, end, curr = 0, next = 0;
  var result = '';

  // Invariants: 0 <= start <= length-1.
  //   0 <= curr <= next <= max(0, length-2). curr - start <= width.
  // Inside the loop:
  //   A match implies length >= 2, so curr and next are <= length-2.
  while ((match = breakRe.exec(line))) {
    next = match.index;
    // maintain invariant: curr - start <= width
    if (next - start > width) {
      end = (curr > start) ? curr : next; // derive end <= length-2
      result += '\n' + line.slice(start, end);
      // skip the space that was output as \n
      start = end + 1;                    // derive start <= length-1
    }
    curr = next;
  }

  // By the invariants, start <= length-1, so there is something left over.
  // It is either the whole string or a part starting from non-whitespace.
  result += '\n';
  // Insert a break if the remainder is too long and there is a break available.
  if (line.length - start > width && curr > start) {
    result += line.slice(start, curr) + '\n' + line.slice(curr + 1);
  } else {
    result += line.slice(start);
  }

  return result.slice(1); // drop extra \n joiner
}

// Escapes a double-quoted string.
function escapeString(string) {
  var result = '';
  var char, nextChar;
  var escapeSeq;

  for (var i = 0; i < string.length; i++) {
    char = string.charCodeAt(i);
    // Check for surrogate pairs (reference Unicode 3.0 section "3.7 Surrogates").
    if (char >= 0xD800 && char <= 0xDBFF/* high surrogate */) {
      nextChar = string.charCodeAt(i + 1);
      if (nextChar >= 0xDC00 && nextChar <= 0xDFFF/* low surrogate */) {
        // Combine the surrogate pair and store it escaped.
        result += encodeHex((char - 0xD800) * 0x400 + nextChar - 0xDC00 + 0x10000);
        // Advance index one extra since we already used that char here.
        i++; continue;
      }
    }
    escapeSeq = ESCAPE_SEQUENCES[char];
    result += !escapeSeq && isPrintable(char)
      ? string[i]
      : escapeSeq || encodeHex(char);
  }

  return result;
}

function writeFlowSequence(state, level, object) {
  var _result = '',
      _tag    = state.tag,
      index,
      length;

  for (index = 0, length = object.length; index < length; index += 1) {
    // Write only valid elements.
    if (writeNode(state, level, object[index], false, false)) {
      if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : '');
      _result += state.dump;
    }
  }

  state.tag = _tag;
  state.dump = '[' + _result + ']';
}

function writeBlockSequence(state, level, object, compact) {
  var _result = '',
      _tag    = state.tag,
      index,
      length;

  for (index = 0, length = object.length; index < length; index += 1) {
    // Write only valid elements.
    if (writeNode(state, level + 1, object[index], true, true)) {
      if (!compact || index !== 0) {
        _result += generateNextLine(state, level);
      }

      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
        _result += '-';
      } else {
        _result += '- ';
      }

      _result += state.dump;
    }
  }

  state.tag = _tag;
  state.dump = _result || '[]'; // Empty sequence if no valid values.
}

function writeFlowMapping(state, level, object) {
  var _result       = '',
      _tag          = state.tag,
      objectKeyList = Object.keys(object),
      index,
      length,
      objectKey,
      objectValue,
      pairBuffer;

  for (index = 0, length = objectKeyList.length; index < length; index += 1) {

    pairBuffer = '';
    if (index !== 0) pairBuffer += ', ';

    if (state.condenseFlow) pairBuffer += '"';

    objectKey = objectKeyList[index];
    objectValue = object[objectKey];

    if (!writeNode(state, level, objectKey, false, false)) {
      continue; // Skip this pair because of invalid key;
    }

    if (state.dump.length > 1024) pairBuffer += '? ';

    pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' ');

    if (!writeNode(state, level, objectValue, false, false)) {
      continue; // Skip this pair because of invalid value.
    }

    pairBuffer += state.dump;

    // Both key and value are valid.
    _result += pairBuffer;
  }

  state.tag = _tag;
  state.dump = '{' + _result + '}';
}

function writeBlockMapping(state, level, object, compact) {
  var _result       = '',
      _tag          = state.tag,
      objectKeyList = Object.keys(object),
      index,
      length,
      objectKey,
      objectValue,
      explicitPair,
      pairBuffer;

  // Allow sorting keys so that the output file is deterministic
  if (state.sortKeys === true) {
    // Default sorting
    objectKeyList.sort();
  } else if (typeof state.sortKeys === 'function') {
    // Custom sort function
    objectKeyList.sort(state.sortKeys);
  } else if (state.sortKeys) {
    // Something is wrong
    throw new YAMLException('sortKeys must be a boolean or a function');
  }

  for (index = 0, length = objectKeyList.length; index < length; index += 1) {
    pairBuffer = '';

    if (!compact || index !== 0) {
      pairBuffer += generateNextLine(state, level);
    }

    objectKey = objectKeyList[index];
    objectValue = object[objectKey];

    if (!writeNode(state, level + 1, objectKey, true, true, true)) {
      continue; // Skip this pair because of invalid key.
    }

    explicitPair = (state.tag !== null && state.tag !== '?') ||
                   (state.dump && state.dump.length > 1024);

    if (explicitPair) {
      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
        pairBuffer += '?';
      } else {
        pairBuffer += '? ';
      }
    }

    pairBuffer += state.dump;

    if (explicitPair) {
      pairBuffer += generateNextLine(state, level);
    }

    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
      continue; // Skip this pair because of invalid value.
    }

    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
      pairBuffer += ':';
    } else {
      pairBuffer += ': ';
    }

    pairBuffer += state.dump;

    // Both key and value are valid.
    _result += pairBuffer;
  }

  state.tag = _tag;
  state.dump = _result || '{}'; // Empty mapping if no valid pairs.
}

function detectType(state, object, explicit) {
  var _result, typeList, index, length, type, style;

  typeList = explicit ? state.explicitTypes : state.implicitTypes;

  for (index = 0, length = typeList.length; index < length; index += 1) {
    type = typeList[index];

    if ((type.instanceOf  || type.predicate) &&
        (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&
        (!type.predicate  || type.predicate(object))) {

      state.tag = explicit ? type.tag : '?';

      if (type.represent) {
        style = state.styleMap[type.tag] || type.defaultStyle;

        if (_toString.call(type.represent) === '[object Function]') {
          _result = type.represent(object, style);
        } else if (_hasOwnProperty$1.call(type.represent, style)) {
          _result = type.represent[style](object, style);
        } else {
          throw new YAMLException('!<' + type.tag + '> tag resolver accepts not "' + style + '" style');
        }

        state.dump = _result;
      }

      return true;
    }
  }

  return false;
}

// Serializes `object` and writes it to global `result`.
// Returns true on success, or false on invalid object.
//
function writeNode(state, level, object, block, compact, iskey) {
  state.tag = null;
  state.dump = object;

  if (!detectType(state, object, false)) {
    detectType(state, object, true);
  }

  var type = _toString.call(state.dump);

  if (block) {
    block = (state.flowLevel < 0 || state.flowLevel > level);
  }

  var objectOrArray = type === '[object Object]' || type === '[object Array]',
      duplicateIndex,
      duplicate;

  if (objectOrArray) {
    duplicateIndex = state.duplicates.indexOf(object);
    duplicate = duplicateIndex !== -1;
  }

  if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {
    compact = false;
  }

  if (duplicate && state.usedDuplicates[duplicateIndex]) {
    state.dump = '*ref_' + duplicateIndex;
  } else {
    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
      state.usedDuplicates[duplicateIndex] = true;
    }
    if (type === '[object Object]') {
      if (block && (Object.keys(state.dump).length !== 0)) {
        writeBlockMapping(state, level, state.dump, compact);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + state.dump;
        }
      } else {
        writeFlowMapping(state, level, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if (type === '[object Array]') {
      var arrayLevel = (state.noArrayIndent && (level > 0)) ? level - 1 : level;
      if (block && (state.dump.length !== 0)) {
        writeBlockSequence(state, arrayLevel, state.dump, compact);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + state.dump;
        }
      } else {
        writeFlowSequence(state, arrayLevel, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if (type === '[object String]') {
      if (state.tag !== '?') {
        writeScalar(state, state.dump, level, iskey);
      }
    } else {
      if (state.skipInvalid) return false;
      throw new YAMLException('unacceptable kind of an object to dump ' + type);
    }

    if (state.tag !== null && state.tag !== '?') {
      state.dump = '!<' + state.tag + '> ' + state.dump;
    }
  }

  return true;
}

function getDuplicateReferences(object, state) {
  var objects = [],
      duplicatesIndexes = [],
      index,
      length;

  inspectNode(object, objects, duplicatesIndexes);

  for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {
    state.duplicates.push(objects[duplicatesIndexes[index]]);
  }
  state.usedDuplicates = new Array(length);
}

function inspectNode(object, objects, duplicatesIndexes) {
  var objectKeyList,
      index,
      length;

  if (object !== null && typeof object === 'object') {
    index = objects.indexOf(object);
    if (index !== -1) {
      if (duplicatesIndexes.indexOf(index) === -1) {
        duplicatesIndexes.push(index);
      }
    } else {
      objects.push(object);

      if (Array.isArray(object)) {
        for (index = 0, length = object.length; index < length; index += 1) {
          inspectNode(object[index], objects, duplicatesIndexes);
        }
      } else {
        objectKeyList = Object.keys(object);

        for (index = 0, length = objectKeyList.length; index < length; index += 1) {
          inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);
        }
      }
    }
  }
}

function dump(input, options) {
  options = options || {};

  var state = new State(options);

  if (!state.noRefs) getDuplicateReferences(input, state);

  if (writeNode(state, 0, input, true, true)) return state.dump + '\n';

  return '';
}

function safeDump(input, options) {
  return dump(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options));
}

dumper$1.dump     = dump;
dumper$1.safeDump = safeDump;

var loader = loader$1;
var dumper = dumper$1;


function deprecated(name) {
  return function () {
    throw new Error('Function ' + name + ' is deprecated and cannot be used.');
  };
}


jsYaml$1.Type                = type;
jsYaml$1.Schema              = schema;
jsYaml$1.FAILSAFE_SCHEMA     = failsafe;
jsYaml$1.JSON_SCHEMA         = json;
jsYaml$1.CORE_SCHEMA         = core$1;
jsYaml$1.DEFAULT_SAFE_SCHEMA = default_safe;
jsYaml$1.DEFAULT_FULL_SCHEMA = default_full;
jsYaml$1.load                = loader.load;
jsYaml$1.loadAll             = loader.loadAll;
jsYaml$1.safeLoad            = loader.safeLoad;
jsYaml$1.safeLoadAll         = loader.safeLoadAll;
jsYaml$1.dump                = dumper.dump;
jsYaml$1.safeDump            = dumper.safeDump;
jsYaml$1.YAMLException       = exception;

// Deprecated schema names from JS-YAML 2.0.x
jsYaml$1.MINIMAL_SCHEMA = failsafe;
jsYaml$1.SAFE_SCHEMA    = default_safe;
jsYaml$1.DEFAULT_SCHEMA = default_full;

// Deprecated functions from JS-YAML 1.x.x
jsYaml$1.scan           = deprecated('scan');
jsYaml$1.parse          = deprecated('parse');
jsYaml$1.compose        = deprecated('compose');
jsYaml$1.addConstructor = deprecated('addConstructor');

var yaml = jsYaml$1;


var jsYaml = yaml;

(function (module, exports) {

	const yaml = jsYaml;

	/**
	 * Default engines
	 */

	const engines = module.exports;

	/**
	 * YAML
	 */

	engines.yaml = {
	  parse: yaml.safeLoad.bind(yaml),
	  stringify: yaml.safeDump.bind(yaml)
	};

	/**
	 * JSON
	 */

	engines.json = {
	  parse: JSON.parse.bind(JSON),
	  stringify: function(obj, options) {
	    const opts = Object.assign({replacer: null, space: 2}, options);
	    return JSON.stringify(obj, opts.replacer, opts.space);
	  }
	};

	/**
	 * JavaScript
	 */

	engines.javascript = {
	  parse: function parse(str, options, wrap) {
	    /* eslint no-eval: 0 */
	    try {
	      if (wrap !== false) {
	        str = '(function() {\nreturn ' + str.trim() + ';\n}());';
	      }
	      return eval(str) || {};
	    } catch (err) {
	      if (wrap !== false && /(unexpected|identifier)/i.test(err.message)) {
	        return parse(str, options, false);
	      }
	      throw new SyntaxError(err);
	    }
	  },
	  stringify: function() {
	    throw new Error('stringifying JavaScript is not supported');
	  }
	}; 
} (engines$2));

var enginesExports = engines$2.exports;

var utils$7 = {};

/*!
 * strip-bom-string <https://github.com/jonschlinkert/strip-bom-string>
 *
 * Copyright (c) 2015, 2017, Jon Schlinkert.
 * Released under the MIT License.
 */

var stripBomString = function(str) {
  if (typeof str === 'string' && str.charAt(0) === '\ufeff') {
    return str.slice(1);
  }
  return str;
};

(function (exports) {

	const stripBom = stripBomString;
	const typeOf = kindOf;

	exports.define = function(obj, key, val) {
	  Reflect.defineProperty(obj, key, {
	    enumerable: false,
	    configurable: true,
	    writable: true,
	    value: val
	  });
	};

	/**
	 * Returns true if `val` is a buffer
	 */

	exports.isBuffer = function(val) {
	  return typeOf(val) === 'buffer';
	};

	/**
	 * Returns true if `val` is an object
	 */

	exports.isObject = function(val) {
	  return typeOf(val) === 'object';
	};

	/**
	 * Cast `input` to a buffer
	 */

	exports.toBuffer = function(input) {
	  return typeof input === 'string' ? Buffer.from(input) : input;
	};

	/**
	 * Cast `val` to a string.
	 */

	exports.toString = function(input) {
	  if (exports.isBuffer(input)) return stripBom(String(input));
	  if (typeof input !== 'string') {
	    throw new TypeError('expected input to be a string or buffer');
	  }
	  return stripBom(input);
	};

	/**
	 * Cast `val` to an array.
	 */

	exports.arrayify = function(val) {
	  return val ? (Array.isArray(val) ? val : [val]) : [];
	};

	/**
	 * Returns true if `str` starts with `substr`.
	 */

	exports.startsWith = function(str, substr, len) {
	  if (typeof len !== 'number') len = substr.length;
	  return str.slice(0, len) === substr;
	}; 
} (utils$7));

const engines$1 = enginesExports;
const utils$6 = utils$7;

var defaults$4 = function(options) {
  const opts = Object.assign({}, options);

  // ensure that delimiters are an array
  opts.delimiters = utils$6.arrayify(opts.delims || opts.delimiters || '---');
  if (opts.delimiters.length === 1) {
    opts.delimiters.push(opts.delimiters[0]);
  }

  opts.language = (opts.language || opts.lang || 'yaml').toLowerCase();
  opts.engines = Object.assign({}, engines$1, opts.parsers, opts.engines);
  return opts;
};

var engine = function(name, options) {
  let engine = options.engines[name] || options.engines[aliase(name)];
  if (typeof engine === 'undefined') {
    throw new Error('gray-matter engine "' + name + '" is not registered');
  }
  if (typeof engine === 'function') {
    engine = { parse: engine };
  }
  return engine;
};

function aliase(name) {
  switch (name.toLowerCase()) {
    case 'js':
    case 'javascript':
      return 'javascript';
    case 'coffee':
    case 'coffeescript':
    case 'cson':
      return 'coffee';
    case 'yaml':
    case 'yml':
      return 'yaml';
    default: {
      return name;
    }
  }
}

const typeOf$1 = kindOf;
const getEngine$1 = engine;
const defaults$3 = defaults$4;

var stringify$2 = function(file, data, options) {
  if (data == null && options == null) {
    switch (typeOf$1(file)) {
      case 'object':
        data = file.data;
        options = {};
        break;
      case 'string':
        return file;
      default: {
        throw new TypeError('expected file to be a string or object');
      }
    }
  }

  const str = file.content;
  const opts = defaults$3(options);
  if (data == null) {
    if (!opts.data) return file;
    data = opts.data;
  }

  const language = file.language || opts.language;
  const engine = getEngine$1(language, opts);
  if (typeof engine.stringify !== 'function') {
    throw new TypeError('expected "' + language + '.stringify" to be a function');
  }

  data = Object.assign({}, file.data, data);
  const open = opts.delimiters[0];
  const close = opts.delimiters[1];
  const matter = engine.stringify(data, options).trim();
  let buf = '';

  if (matter !== '{}') {
    buf = newline$1(open) + newline$1(matter) + newline$1(close);
  }

  if (typeof file.excerpt === 'string' && file.excerpt !== '') {
    if (str.indexOf(file.excerpt.trim()) === -1) {
      buf += newline$1(file.excerpt) + newline$1(close);
    }
  }

  return buf + newline$1(str);
};

function newline$1(str) {
  return str.slice(-1) !== '\n' ? str + '\n' : str;
}

const defaults$2 = defaults$4;

var excerpt$1 = function(file, options) {
  const opts = defaults$2(options);

  if (file.data == null) {
    file.data = {};
  }

  if (typeof opts.excerpt === 'function') {
    return opts.excerpt(file, opts);
  }

  const sep = file.data.excerpt_separator || opts.excerpt_separator;
  if (sep == null && (opts.excerpt === false || opts.excerpt == null)) {
    return file;
  }

  const delimiter = typeof opts.excerpt === 'string'
    ? opts.excerpt
    : (sep || opts.delimiters[0]);

  // if enabled, get the excerpt defined after front-matter
  const idx = file.content.indexOf(delimiter);
  if (idx !== -1) {
    file.excerpt = file.content.slice(0, idx);
  }

  return file;
};

const typeOf = kindOf;
const stringify$1 = stringify$2;
const utils$5 = utils$7;

/**
 * Normalize the given value to ensure an object is returned
 * with the expected properties.
 */

var toFile$1 = function(file) {
  if (typeOf(file) !== 'object') {
    file = { content: file };
  }

  if (typeOf(file.data) !== 'object') {
    file.data = {};
  }

  // if file was passed as an object, ensure that
  // "file.content" is set
  if (file.contents && file.content == null) {
    file.content = file.contents;
  }

  // set non-enumerable properties on the file object
  utils$5.define(file, 'orig', utils$5.toBuffer(file.content));
  utils$5.define(file, 'language', file.language || '');
  utils$5.define(file, 'matter', file.matter || '');
  utils$5.define(file, 'stringify', function(data, options) {
    if (options && options.language) {
      file.language = options.language;
    }
    return stringify$1(file, data, options);
  });

  // strip BOM and ensure that "file.content" is a string
  file.content = utils$5.toString(file.content);
  file.isEmpty = false;
  file.excerpt = '';
  return file;
};

const getEngine = engine;
const defaults$1 = defaults$4;

var parse$5 = function(language, str, options) {
  const opts = defaults$1(options);
  const engine = getEngine(language, opts);
  if (typeof engine.parse !== 'function') {
    throw new TypeError('expected "' + language + '.parse" to be a function');
  }
  return engine.parse(str, opts);
};

const fs$1 = fs__default;
const sections = sectionMatter;
const defaults = defaults$4;
const stringify = stringify$2;
const excerpt = excerpt$1;
const engines = enginesExports;
const toFile = toFile$1;
const parse$4 = parse$5;
const utils$4 = utils$7;

/**
 * Takes a string or object with `content` property, extracts
 * and parses front-matter from the string, then returns an object
 * with `data`, `content` and other [useful properties](#returned-object).
 *
 * ```js
 * const matter = require('gray-matter');
 * console.log(matter('---\ntitle: Home\n---\nOther stuff'));
 * //=> { data: { title: 'Home'}, content: 'Other stuff' }
 * ```
 * @param {Object|String} `input` String, or object with `content` string
 * @param {Object} `options`
 * @return {Object}
 * @api public
 */

function matter(input, options) {
  if (input === '') {
    return { data: {}, content: input, excerpt: '', orig: input };
  }

  let file = toFile(input);
  const cached = matter.cache[file.content];

  if (!options) {
    if (cached) {
      file = Object.assign({}, cached);
      file.orig = cached.orig;
      return file;
    }

    // only cache if there are no options passed. if we cache when options
    // are passed, we would need to also cache options values, which would
    // negate any performance benefits of caching
    matter.cache[file.content] = file;
  }

  return parseMatter(file, options);
}

/**
 * Parse front matter
 */

function parseMatter(file, options) {
  const opts = defaults(options);
  const open = opts.delimiters[0];
  const close = '\n' + opts.delimiters[1];
  let str = file.content;

  if (opts.language) {
    file.language = opts.language;
  }

  // get the length of the opening delimiter
  const openLen = open.length;
  if (!utils$4.startsWith(str, open, openLen)) {
    excerpt(file, opts);
    return file;
  }

  // if the next character after the opening delimiter is
  // a character from the delimiter, then it's not a front-
  // matter delimiter
  if (str.charAt(openLen) === open.slice(-1)) {
    return file;
  }

  // strip the opening delimiter
  str = str.slice(openLen);
  const len = str.length;

  // use the language defined after first delimiter, if it exists
  const language = matter.language(str, opts);
  if (language.name) {
    file.language = language.name;
    str = str.slice(language.raw.length);
  }

  // get the index of the closing delimiter
  let closeIndex = str.indexOf(close);
  if (closeIndex === -1) {
    closeIndex = len;
  }

  // get the raw front-matter block
  file.matter = str.slice(0, closeIndex);

  const block = file.matter.replace(/^\s*#[^\n]+/gm, '').trim();
  if (block === '') {
    file.isEmpty = true;
    file.empty = file.content;
    file.data = {};
  } else {

    // create file.data by parsing the raw file.matter block
    file.data = parse$4(file.language, file.matter, opts);
  }

  // update file.content
  if (closeIndex === len) {
    file.content = '';
  } else {
    file.content = str.slice(closeIndex + close.length);
    if (file.content[0] === '\r') {
      file.content = file.content.slice(1);
    }
    if (file.content[0] === '\n') {
      file.content = file.content.slice(1);
    }
  }

  excerpt(file, opts);

  if (opts.sections === true || typeof opts.section === 'function') {
    sections(file, opts.section);
  }
  return file;
}

/**
 * Expose engines
 */

matter.engines = engines;

/**
 * Stringify an object to YAML or the specified language, and
 * append it to the given string. By default, only YAML and JSON
 * can be stringified. See the [engines](#engines) section to learn
 * how to stringify other languages.
 *
 * ```js
 * console.log(matter.stringify('foo bar baz', {title: 'Home'}));
 * // results in:
 * // ---
 * // title: Home
 * // ---
 * // foo bar baz
 * ```
 * @param {String|Object} `file` The content string to append to stringified front-matter, or a file object with `file.content` string.
 * @param {Object} `data` Front matter to stringify.
 * @param {Object} `options` [Options](#options) to pass to gray-matter and [js-yaml].
 * @return {String} Returns a string created by wrapping stringified yaml with delimiters, and appending that to the given string.
 * @api public
 */

matter.stringify = function(file, data, options) {
  if (typeof file === 'string') file = matter(file, options);
  return stringify(file, data, options);
};

/**
 * Synchronously read a file from the file system and parse
 * front matter. Returns the same object as the [main function](#matter).
 *
 * ```js
 * const file = matter.read('./content/blog-post.md');
 * ```
 * @param {String} `filepath` file path of the file to read.
 * @param {Object} `options` [Options](#options) to pass to gray-matter.
 * @return {Object} Returns [an object](#returned-object) with `data` and `content`
 * @api public
 */

matter.read = function(filepath, options) {
  const str = fs$1.readFileSync(filepath, 'utf8');
  const file = matter(str, options);
  file.path = filepath;
  return file;
};

/**
 * Returns true if the given `string` has front matter.
 * @param  {String} `string`
 * @param  {Object} `options`
 * @return {Boolean} True if front matter exists.
 * @api public
 */

matter.test = function(str, options) {
  return utils$4.startsWith(str, defaults(options).delimiters[0]);
};

/**
 * Detect the language to use, if one is defined after the
 * first front-matter delimiter.
 * @param  {String} `string`
 * @param  {Object} `options`
 * @return {Object} Object with `raw` (actual language string), and `name`, the language with whitespace trimmed
 */

matter.language = function(str, options) {
  const opts = defaults(options);
  const open = opts.delimiters[0];

  if (matter.test(str)) {
    str = str.slice(open.length);
  }

  const language = str.slice(0, str.search(/\r?\n/));
  return {
    raw: language,
    name: language ? language.trim() : ''
  };
};

/**
 * Expose `matter`
 */

matter.cache = {};
matter.clearCache = function() {
  matter.cache = {};
};
var grayMatter = matter;

var matter$1 = /*@__PURE__*/getDefaultExportFromCjs(grayMatter);

const frontmatterPlugin = (md, { grayMatterOptions, renderExcerpt = true } = {}) => {
  const render = md.render.bind(md);
  md.render = (src, env = {}) => {
    const { data, content, excerpt = "" } = matter$1(src, grayMatterOptions);
    env.content = content;
    env.frontmatter = {
      // allow providing default value
      ...env.frontmatter,
      ...data
    };
    env.excerpt = renderExcerpt && excerpt ? (
      // render the excerpt with original markdown-it render method.
      // here we spread `env` to avoid mutating the original object.
      // using deep clone might be a safer choice.
      render(excerpt, { ...env })
    ) : (
      // use the raw excerpt directly
      excerpt
    );
    return render(content, env);
  };
};

const headersPlugin = (md, {
  level = [2, 3],
  shouldAllowNested = false,
  slugify: slugify$1 = slugify,
  format
} = {}) => {
  const render = md.renderer.render.bind(md.renderer);
  md.renderer.render = (tokens, options, env) => {
    env.headers = resolveHeadersFromTokens(tokens, {
      level,
      shouldAllowHtml: false,
      shouldAllowNested,
      shouldEscapeText: false,
      slugify: slugify$1,
      format
    });
    return render(tokens, options, env);
  };
};

const TAG_NAME_SCRIPT = "script";
const TAG_NAME_STYLE = "style";
const TAG_NAME_TEMPLATE = "template";

const SCRIPT_SETUP_TAG_OPEN_REGEXP = /^<script\s+.*?\bsetup\b.*?>$/is;
const createSfcRegexp = ({
  customBlocks
}) => {
  const sfcTags = Array.from(
    /* @__PURE__ */ new Set([TAG_NAME_SCRIPT, TAG_NAME_STYLE, ...customBlocks])
  ).join("|");
  return new RegExp(
    `^\\s*(?<content>(?<tagOpen><(?<type>${sfcTags})\\s?.*?>)(?<contentStripped>.*)(?<tagClose><\\/\\k<type>\\s*>))\\s*$`,
    "is"
  );
};

const sfcPlugin = (md, { customBlocks = [] } = {}) => {
  const sfcRegexp = createSfcRegexp({ customBlocks });
  const render = md.render.bind(md);
  md.render = (src, env = {}) => {
    env.sfcBlocks = {
      template: null,
      script: null,
      scriptSetup: null,
      scripts: [],
      styles: [],
      customBlocks: []
    };
    const rendered = render(src, env);
    env.sfcBlocks.template = {
      type: TAG_NAME_TEMPLATE,
      content: `<${TAG_NAME_TEMPLATE}>${rendered}</${TAG_NAME_TEMPLATE}>`,
      contentStripped: rendered,
      tagOpen: `<${TAG_NAME_TEMPLATE}>`,
      tagClose: `</${TAG_NAME_TEMPLATE}>`
    };
    return rendered;
  };
  const htmlBlockRule = md.renderer.rules.html_block;
  md.renderer.rules.html_block = (tokens, idx, options, env, self) => {
    if (!env.sfcBlocks) {
      return htmlBlockRule(tokens, idx, options, env, self);
    }
    const token = tokens[idx];
    const content = token.content;
    const match = content.match(sfcRegexp);
    if (!match) {
      return htmlBlockRule(tokens, idx, options, env, self);
    }
    const sfcBlock = match.groups;
    if (sfcBlock.type === TAG_NAME_SCRIPT) {
      env.sfcBlocks.scripts.push(sfcBlock);
      if (SCRIPT_SETUP_TAG_OPEN_REGEXP.test(sfcBlock.tagOpen)) {
        env.sfcBlocks.scriptSetup = sfcBlock;
      } else {
        env.sfcBlocks.script = sfcBlock;
      }
    } else if (sfcBlock.type === TAG_NAME_STYLE) {
      env.sfcBlocks.styles.push(sfcBlock);
    } else {
      env.sfcBlocks.customBlocks.push(sfcBlock);
    }
    return "";
  };
};

const titlePlugin = (md) => {
  const render = md.renderer.render.bind(md.renderer);
  md.renderer.render = (tokens, options, env) => {
    const tokenIdx = tokens.findIndex((token) => token.tag === "h1");
    env.title = tokenIdx > -1 ? resolveTitleFromToken(tokens[tokenIdx + 1], {
      shouldAllowHtml: false,
      shouldEscapeText: false
    }) : "";
    return render(tokens, options, env);
  };
};

const createRenderHeaders = ({
  listTag,
  listClass,
  itemClass,
  linkTag,
  linkClass
}) => {
  const listTagString = htmlEscape(listTag);
  const listClassString = listClass ? ` class="${htmlEscape(listClass)}"` : "";
  const itemTagString = "li";
  const itemClassString = itemClass ? ` class="${htmlEscape(itemClass)}"` : "";
  const linkTagString = htmlEscape(linkTag);
  const linkClassString = linkClass ? ` class="${htmlEscape(linkClass)}"` : "";
  const linkTo = (link) => linkTag === "router-link" ? ` to="${link}"` : ` href="${link}"`;
  const renderHeaders = (headers) => `<${listTagString}${listClassString}>${headers.map(
    (header) => `<${itemTagString}${itemClassString}><${linkTagString}${linkClassString}${linkTo(header.link)}>${header.title}</${linkTagString}>${header.children.length > 0 ? renderHeaders(header.children) : ""}</${itemTagString}>`
  ).join("")}</${listTagString}>`;
  return renderHeaders;
};

const createTocBlockRule = ({
  pattern,
  containerTag,
  containerClass
}) => (state, startLine, endLine, silent) => {
  if (state.sCount[startLine] - state.blkIndent >= 4) {
    return false;
  }
  const pos = state.bMarks[startLine] + state.tShift[startLine];
  const max = state.eMarks[startLine];
  const lineFirstToken = state.src.slice(pos, max).split(" ")[0];
  if (!pattern.test(lineFirstToken))
    return false;
  if (silent)
    return true;
  state.line = startLine + 1;
  const tokenOpen = state.push("toc_open", containerTag, 1);
  tokenOpen.markup = "";
  tokenOpen.map = [startLine, state.line];
  if (containerClass) {
    tokenOpen.attrSet("class", containerClass);
  }
  const tokenBody = state.push("toc_body", "", 0);
  tokenBody.markup = lineFirstToken;
  tokenBody.map = [startLine, state.line];
  tokenBody.hidden = true;
  const tokenClose = state.push("toc_close", containerTag, -1);
  tokenClose.markup = "";
  tokenBody.map = [startLine, state.line];
  return true;
};

const tocPlugin = (md, {
  pattern = /^\[\[toc\]\]$/i,
  slugify: slugify$1 = slugify,
  format,
  level = [2, 3],
  shouldAllowNested = false,
  containerTag = "nav",
  containerClass = "table-of-contents",
  listTag = "ul",
  listClass = "",
  itemClass = "",
  linkTag = "a",
  linkClass = ""
} = {}) => {
  md.block.ruler.before(
    "heading",
    "toc",
    createTocBlockRule({
      pattern,
      containerTag,
      containerClass
    }),
    {
      alt: ["paragraph", "reference", "blockquote"]
    }
  );
  const renderHeaders = createRenderHeaders({
    listTag,
    listClass,
    itemClass,
    linkTag,
    linkClass
  });
  md.renderer.rules.toc_body = (tokens) => renderHeaders(
    resolveHeadersFromTokens(tokens, {
      level,
      shouldAllowHtml: true,
      shouldAllowNested,
      shouldEscapeText: true,
      slugify: slugify$1,
      format
    })
  );
};

/* eslint-disable no-bitwise */

const decodeCache = {};

function getDecodeCache (exclude) {
  let cache = decodeCache[exclude];
  if (cache) { return cache }

  cache = decodeCache[exclude] = [];

  for (let i = 0; i < 128; i++) {
    const ch = String.fromCharCode(i);
    cache.push(ch);
  }

  for (let i = 0; i < exclude.length; i++) {
    const ch = exclude.charCodeAt(i);
    cache[ch] = '%' + ('0' + ch.toString(16).toUpperCase()).slice(-2);
  }

  return cache
}

// Decode percent-encoded string.
//
function decode$1 (string, exclude) {
  if (typeof exclude !== 'string') {
    exclude = decode$1.defaultChars;
  }

  const cache = getDecodeCache(exclude);

  return string.replace(/(%[a-f0-9]{2})+/gi, function (seq) {
    let result = '';

    for (let i = 0, l = seq.length; i < l; i += 3) {
      const b1 = parseInt(seq.slice(i + 1, i + 3), 16);

      if (b1 < 0x80) {
        result += cache[b1];
        continue
      }

      if ((b1 & 0xE0) === 0xC0 && (i + 3 < l)) {
        // 110xxxxx 10xxxxxx
        const b2 = parseInt(seq.slice(i + 4, i + 6), 16);

        if ((b2 & 0xC0) === 0x80) {
          const chr = ((b1 << 6) & 0x7C0) | (b2 & 0x3F);

          if (chr < 0x80) {
            result += '\ufffd\ufffd';
          } else {
            result += String.fromCharCode(chr);
          }

          i += 3;
          continue
        }
      }

      if ((b1 & 0xF0) === 0xE0 && (i + 6 < l)) {
        // 1110xxxx 10xxxxxx 10xxxxxx
        const b2 = parseInt(seq.slice(i + 4, i + 6), 16);
        const b3 = parseInt(seq.slice(i + 7, i + 9), 16);

        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {
          const chr = ((b1 << 12) & 0xF000) | ((b2 << 6) & 0xFC0) | (b3 & 0x3F);

          if (chr < 0x800 || (chr >= 0xD800 && chr <= 0xDFFF)) {
            result += '\ufffd\ufffd\ufffd';
          } else {
            result += String.fromCharCode(chr);
          }

          i += 6;
          continue
        }
      }

      if ((b1 & 0xF8) === 0xF0 && (i + 9 < l)) {
        // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx
        const b2 = parseInt(seq.slice(i + 4, i + 6), 16);
        const b3 = parseInt(seq.slice(i + 7, i + 9), 16);
        const b4 = parseInt(seq.slice(i + 10, i + 12), 16);

        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80 && (b4 & 0xC0) === 0x80) {
          let chr = ((b1 << 18) & 0x1C0000) | ((b2 << 12) & 0x3F000) | ((b3 << 6) & 0xFC0) | (b4 & 0x3F);

          if (chr < 0x10000 || chr > 0x10FFFF) {
            result += '\ufffd\ufffd\ufffd\ufffd';
          } else {
            chr -= 0x10000;
            result += String.fromCharCode(0xD800 + (chr >> 10), 0xDC00 + (chr & 0x3FF));
          }

          i += 9;
          continue
        }
      }

      result += '\ufffd';
    }

    return result
  })
}

decode$1.defaultChars = ';/?:@&=+$,#';
decode$1.componentChars = '';

const encodeCache = {};

// Create a lookup array where anything but characters in `chars` string
// and alphanumeric chars is percent-encoded.
//
function getEncodeCache (exclude) {
  let cache = encodeCache[exclude];
  if (cache) { return cache }

  cache = encodeCache[exclude] = [];

  for (let i = 0; i < 128; i++) {
    const ch = String.fromCharCode(i);

    if (/^[0-9a-z]$/i.test(ch)) {
      // always allow unencoded alphanumeric characters
      cache.push(ch);
    } else {
      cache.push('%' + ('0' + i.toString(16).toUpperCase()).slice(-2));
    }
  }

  for (let i = 0; i < exclude.length; i++) {
    cache[exclude.charCodeAt(i)] = exclude[i];
  }

  return cache
}

// Encode unsafe characters with percent-encoding, skipping already
// encoded sequences.
//
//  - string       - string to encode
//  - exclude      - list of characters to ignore (in addition to a-zA-Z0-9)
//  - keepEscaped  - don't encode '%' in a correct escape sequence (default: true)
//
function encode$1 (string, exclude, keepEscaped) {
  if (typeof exclude !== 'string') {
    // encode(string, keepEscaped)
    keepEscaped = exclude;
    exclude = encode$1.defaultChars;
  }

  if (typeof keepEscaped === 'undefined') {
    keepEscaped = true;
  }

  const cache = getEncodeCache(exclude);
  let result = '';

  for (let i = 0, l = string.length; i < l; i++) {
    const code = string.charCodeAt(i);

    if (keepEscaped && code === 0x25 /* % */ && i + 2 < l) {
      if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {
        result += string.slice(i, i + 3);
        i += 2;
        continue
      }
    }

    if (code < 128) {
      result += cache[code];
      continue
    }

    if (code >= 0xD800 && code <= 0xDFFF) {
      if (code >= 0xD800 && code <= 0xDBFF && i + 1 < l) {
        const nextCode = string.charCodeAt(i + 1);
        if (nextCode >= 0xDC00 && nextCode <= 0xDFFF) {
          result += encodeURIComponent(string[i] + string[i + 1]);
          i++;
          continue
        }
      }
      result += '%EF%BF%BD';
      continue
    }

    result += encodeURIComponent(string[i]);
  }

  return result
}

encode$1.defaultChars = ";/?:@&=+$,-_.!~*'()#";
encode$1.componentChars = "-_.!~*'()";

function format (url) {
  let result = '';

  result += url.protocol || '';
  result += url.slashes ? '//' : '';
  result += url.auth ? url.auth + '@' : '';

  if (url.hostname && url.hostname.indexOf(':') !== -1) {
    // ipv6 address
    result += '[' + url.hostname + ']';
  } else {
    result += url.hostname || '';
  }

  result += url.port ? ':' + url.port : '';
  result += url.pathname || '';
  result += url.search || '';
  result += url.hash || '';

  return result
}

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

//
// Changes from joyent/node:
//
// 1. No leading slash in paths,
//    e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`
//
// 2. Backslashes are not replaced with slashes,
//    so `http:\\example.org\` is treated like a relative path
//
// 3. Trailing colon is treated like a part of the path,
//    i.e. in `http://example.org:foo` pathname is `:foo`
//
// 4. Nothing is URL-encoded in the resulting object,
//    (in joyent/node some chars in auth and paths are encoded)
//
// 5. `url.parse()` does not have `parseQueryString` argument
//
// 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,
//    which can be constructed using other parts of the url.
//

function Url () {
  this.protocol = null;
  this.slashes = null;
  this.auth = null;
  this.port = null;
  this.hostname = null;
  this.hash = null;
  this.search = null;
  this.pathname = null;
}

// Reference: RFC 3986, RFC 1808, RFC 2396

// define these here so at least they only have to be
// compiled once on the first module load.
const protocolPattern = /^([a-z0-9.+-]+:)/i;
const portPattern = /:[0-9]*$/;

// Special case for a simple path URL
/* eslint-disable-next-line no-useless-escape */
const simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/;

// RFC 2396: characters reserved for delimiting URLs.
// We actually just auto-escape these.
const delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t'];

// RFC 2396: characters not allowed for various reasons.
const unwise = ['{', '}', '|', '\\', '^', '`'].concat(delims);

// Allowed by RFCs, but cause of XSS attacks.  Always escape these.
const autoEscape = ['\''].concat(unwise);
// Characters that are never ever allowed in a hostname.
// Note that any invalid chars are also handled, but these
// are the ones that are *expected* to be seen, so we fast-path
// them.
const nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape);
const hostEndingChars = ['/', '?', '#'];
const hostnameMaxLen = 255;
const hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/;
const hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/;
// protocols that can allow "unsafe" and "unwise" chars.
// protocols that never have a hostname.
const hostlessProtocol = {
  javascript: true,
  'javascript:': true
};
// protocols that always contain a // bit.
const slashedProtocol = {
  http: true,
  https: true,
  ftp: true,
  gopher: true,
  file: true,
  'http:': true,
  'https:': true,
  'ftp:': true,
  'gopher:': true,
  'file:': true
};

function urlParse (url, slashesDenoteHost) {
  if (url && url instanceof Url) return url

  const u = new Url();
  u.parse(url, slashesDenoteHost);
  return u
}

Url.prototype.parse = function (url, slashesDenoteHost) {
  let lowerProto, hec, slashes;
  let rest = url;

  // trim before proceeding.
  // This is to support parse stuff like "  http://foo.com  \n"
  rest = rest.trim();

  if (!slashesDenoteHost && url.split('#').length === 1) {
    // Try fast path regexp
    const simplePath = simplePathPattern.exec(rest);
    if (simplePath) {
      this.pathname = simplePath[1];
      if (simplePath[2]) {
        this.search = simplePath[2];
      }
      return this
    }
  }

  let proto = protocolPattern.exec(rest);
  if (proto) {
    proto = proto[0];
    lowerProto = proto.toLowerCase();
    this.protocol = proto;
    rest = rest.substr(proto.length);
  }

  // figure out if it's got a host
  // user@server is *always* interpreted as a hostname, and url
  // resolution will treat //foo/bar as host=foo,path=bar because that's
  // how the browser resolves relative URLs.
  /* eslint-disable-next-line no-useless-escape */
  if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) {
    slashes = rest.substr(0, 2) === '//';
    if (slashes && !(proto && hostlessProtocol[proto])) {
      rest = rest.substr(2);
      this.slashes = true;
    }
  }

  if (!hostlessProtocol[proto] &&
      (slashes || (proto && !slashedProtocol[proto]))) {
    // there's a hostname.
    // the first instance of /, ?, ;, or # ends the host.
    //
    // If there is an @ in the hostname, then non-host chars *are* allowed
    // to the left of the last @ sign, unless some host-ending character
    // comes *before* the @-sign.
    // URLs are obnoxious.
    //
    // ex:
    // http://a@b@c/ => user:a@b host:c
    // http://a@b?@c => user:a host:c path:/?@c

    // v0.12 TODO(isaacs): This is not quite how Chrome does things.
    // Review our test case against browsers more comprehensively.

    // find the first instance of any hostEndingChars
    let hostEnd = -1;
    for (let i = 0; i < hostEndingChars.length; i++) {
      hec = rest.indexOf(hostEndingChars[i]);
      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {
        hostEnd = hec;
      }
    }

    // at this point, either we have an explicit point where the
    // auth portion cannot go past, or the last @ char is the decider.
    let auth, atSign;
    if (hostEnd === -1) {
      // atSign can be anywhere.
      atSign = rest.lastIndexOf('@');
    } else {
      // atSign must be in auth portion.
      // http://a@b/c@d => host:b auth:a path:/c@d
      atSign = rest.lastIndexOf('@', hostEnd);
    }

    // Now we have a portion which is definitely the auth.
    // Pull that off.
    if (atSign !== -1) {
      auth = rest.slice(0, atSign);
      rest = rest.slice(atSign + 1);
      this.auth = auth;
    }

    // the host is the remaining to the left of the first non-host char
    hostEnd = -1;
    for (let i = 0; i < nonHostChars.length; i++) {
      hec = rest.indexOf(nonHostChars[i]);
      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) {
        hostEnd = hec;
      }
    }
    // if we still have not hit it, then the entire thing is a host.
    if (hostEnd === -1) {
      hostEnd = rest.length;
    }

    if (rest[hostEnd - 1] === ':') { hostEnd--; }
    const host = rest.slice(0, hostEnd);
    rest = rest.slice(hostEnd);

    // pull out port.
    this.parseHost(host);

    // we've indicated that there is a hostname,
    // so even if it's empty, it has to be present.
    this.hostname = this.hostname || '';

    // if hostname begins with [ and ends with ]
    // assume that it's an IPv6 address.
    const ipv6Hostname = this.hostname[0] === '[' &&
        this.hostname[this.hostname.length - 1] === ']';

    // validate a little.
    if (!ipv6Hostname) {
      const hostparts = this.hostname.split(/\./);
      for (let i = 0, l = hostparts.length; i < l; i++) {
        const part = hostparts[i];
        if (!part) { continue }
        if (!part.match(hostnamePartPattern)) {
          let newpart = '';
          for (let j = 0, k = part.length; j < k; j++) {
            if (part.charCodeAt(j) > 127) {
              // we replace non-ASCII char with a temporary placeholder
              // we need this to make sure size of hostname is not
              // broken by replacing non-ASCII by nothing
              newpart += 'x';
            } else {
              newpart += part[j];
            }
          }
          // we test again with ASCII char only
          if (!newpart.match(hostnamePartPattern)) {
            const validParts = hostparts.slice(0, i);
            const notHost = hostparts.slice(i + 1);
            const bit = part.match(hostnamePartStart);
            if (bit) {
              validParts.push(bit[1]);
              notHost.unshift(bit[2]);
            }
            if (notHost.length) {
              rest = notHost.join('.') + rest;
            }
            this.hostname = validParts.join('.');
            break
          }
        }
      }
    }

    if (this.hostname.length > hostnameMaxLen) {
      this.hostname = '';
    }

    // strip [ and ] from the hostname
    // the host field still retains them, though
    if (ipv6Hostname) {
      this.hostname = this.hostname.substr(1, this.hostname.length - 2);
    }
  }

  // chop off from the tail first.
  const hash = rest.indexOf('#');
  if (hash !== -1) {
    // got a fragment string.
    this.hash = rest.substr(hash);
    rest = rest.slice(0, hash);
  }
  const qm = rest.indexOf('?');
  if (qm !== -1) {
    this.search = rest.substr(qm);
    rest = rest.slice(0, qm);
  }
  if (rest) { this.pathname = rest; }
  if (slashedProtocol[lowerProto] &&
      this.hostname && !this.pathname) {
    this.pathname = '';
  }

  return this
};

Url.prototype.parseHost = function (host) {
  let port = portPattern.exec(host);
  if (port) {
    port = port[0];
    if (port !== ':') {
      this.port = port.substr(1);
    }
    host = host.substr(0, host.length - port.length);
  }
  if (host) { this.hostname = host; }
};

var mdurl = /*#__PURE__*/Object.freeze({
	__proto__: null,
	decode: decode$1,
	encode: encode$1,
	format: format,
	parse: urlParse
});

var Any = /[\0-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;

var Cc = /[\0-\x1F\x7F-\x9F]/;

var regex$2 = /[\xAD\u0600-\u0605\u061C\u06DD\u070F\u0890\u0891\u08E2\u180E\u200B-\u200F\u202A-\u202E\u2060-\u2064\u2066-\u206F\uFEFF\uFFF9-\uFFFB]|\uD804[\uDCBD\uDCCD]|\uD80D[\uDC30-\uDC3F]|\uD82F[\uDCA0-\uDCA3]|\uD834[\uDD73-\uDD7A]|\uDB40[\uDC01\uDC20-\uDC7F]/;

var P$1 = /[!-#%-\*,-\/:;\?@\[-\]_\{\}\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061D-\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u09FD\u0A76\u0AF0\u0C77\u0C84\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1B7D\u1B7E\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E4F\u2E52-\u2E5D\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD803[\uDEAD\uDF55-\uDF59\uDF86-\uDF89]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC8\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDC4B-\uDC4F\uDC5A\uDC5B\uDC5D\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDE60-\uDE6C\uDEB9\uDF3C-\uDF3E]|\uD806[\uDC3B\uDD44-\uDD46\uDDE2\uDE3F-\uDE46\uDE9A-\uDE9C\uDE9E-\uDEA2\uDF00-\uDF09]|\uD807[\uDC41-\uDC45\uDC70\uDC71\uDEF7\uDEF8\uDF43-\uDF4F\uDFFF]|\uD809[\uDC70-\uDC74]|\uD80B[\uDFF1\uDFF2]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD81B[\uDE97-\uDE9A\uDFE2]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]|\uD83A[\uDD5E\uDD5F]/;

var regex$1 = /[\$\+<->\^`\|~\xA2-\xA6\xA8\xA9\xAC\xAE-\xB1\xB4\xB8\xD7\xF7\u02C2-\u02C5\u02D2-\u02DF\u02E5-\u02EB\u02ED\u02EF-\u02FF\u0375\u0384\u0385\u03F6\u0482\u058D-\u058F\u0606-\u0608\u060B\u060E\u060F\u06DE\u06E9\u06FD\u06FE\u07F6\u07FE\u07FF\u0888\u09F2\u09F3\u09FA\u09FB\u0AF1\u0B70\u0BF3-\u0BFA\u0C7F\u0D4F\u0D79\u0E3F\u0F01-\u0F03\u0F13\u0F15-\u0F17\u0F1A-\u0F1F\u0F34\u0F36\u0F38\u0FBE-\u0FC5\u0FC7-\u0FCC\u0FCE\u0FCF\u0FD5-\u0FD8\u109E\u109F\u1390-\u1399\u166D\u17DB\u1940\u19DE-\u19FF\u1B61-\u1B6A\u1B74-\u1B7C\u1FBD\u1FBF-\u1FC1\u1FCD-\u1FCF\u1FDD-\u1FDF\u1FED-\u1FEF\u1FFD\u1FFE\u2044\u2052\u207A-\u207C\u208A-\u208C\u20A0-\u20C0\u2100\u2101\u2103-\u2106\u2108\u2109\u2114\u2116-\u2118\u211E-\u2123\u2125\u2127\u2129\u212E\u213A\u213B\u2140-\u2144\u214A-\u214D\u214F\u218A\u218B\u2190-\u2307\u230C-\u2328\u232B-\u2426\u2440-\u244A\u249C-\u24E9\u2500-\u2767\u2794-\u27C4\u27C7-\u27E5\u27F0-\u2982\u2999-\u29D7\u29DC-\u29FB\u29FE-\u2B73\u2B76-\u2B95\u2B97-\u2BFF\u2CE5-\u2CEA\u2E50\u2E51\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFF\u3004\u3012\u3013\u3020\u3036\u3037\u303E\u303F\u309B\u309C\u3190\u3191\u3196-\u319F\u31C0-\u31E3\u31EF\u3200-\u321E\u322A-\u3247\u3250\u3260-\u327F\u328A-\u32B0\u32C0-\u33FF\u4DC0-\u4DFF\uA490-\uA4C6\uA700-\uA716\uA720\uA721\uA789\uA78A\uA828-\uA82B\uA836-\uA839\uAA77-\uAA79\uAB5B\uAB6A\uAB6B\uFB29\uFBB2-\uFBC2\uFD40-\uFD4F\uFDCF\uFDFC-\uFDFF\uFE62\uFE64-\uFE66\uFE69\uFF04\uFF0B\uFF1C-\uFF1E\uFF3E\uFF40\uFF5C\uFF5E\uFFE0-\uFFE6\uFFE8-\uFFEE\uFFFC\uFFFD]|\uD800[\uDD37-\uDD3F\uDD79-\uDD89\uDD8C-\uDD8E\uDD90-\uDD9C\uDDA0\uDDD0-\uDDFC]|\uD802[\uDC77\uDC78\uDEC8]|\uD805\uDF3F|\uD807[\uDFD5-\uDFF1]|\uD81A[\uDF3C-\uDF3F\uDF45]|\uD82F\uDC9C|\uD833[\uDF50-\uDFC3]|\uD834[\uDC00-\uDCF5\uDD00-\uDD26\uDD29-\uDD64\uDD6A-\uDD6C\uDD83\uDD84\uDD8C-\uDDA9\uDDAE-\uDDEA\uDE00-\uDE41\uDE45\uDF00-\uDF56]|\uD835[\uDEC1\uDEDB\uDEFB\uDF15\uDF35\uDF4F\uDF6F\uDF89\uDFA9\uDFC3]|\uD836[\uDC00-\uDDFF\uDE37-\uDE3A\uDE6D-\uDE74\uDE76-\uDE83\uDE85\uDE86]|\uD838[\uDD4F\uDEFF]|\uD83B[\uDCAC\uDCB0\uDD2E\uDEF0\uDEF1]|\uD83C[\uDC00-\uDC2B\uDC30-\uDC93\uDCA0-\uDCAE\uDCB1-\uDCBF\uDCC1-\uDCCF\uDCD1-\uDCF5\uDD0D-\uDDAD\uDDE6-\uDE02\uDE10-\uDE3B\uDE40-\uDE48\uDE50\uDE51\uDE60-\uDE65\uDF00-\uDFFF]|\uD83D[\uDC00-\uDED7\uDEDC-\uDEEC\uDEF0-\uDEFC\uDF00-\uDF76\uDF7B-\uDFD9\uDFE0-\uDFEB\uDFF0]|\uD83E[\uDC00-\uDC0B\uDC10-\uDC47\uDC50-\uDC59\uDC60-\uDC87\uDC90-\uDCAD\uDCB0\uDCB1\uDD00-\uDE53\uDE60-\uDE6D\uDE70-\uDE7C\uDE80-\uDE88\uDE90-\uDEBD\uDEBF-\uDEC5\uDECE-\uDEDB\uDEE0-\uDEE8\uDEF0-\uDEF8\uDF00-\uDF92\uDF94-\uDFCA]/;

var Z$1 = /[ \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000]/;

var ucmicro = /*#__PURE__*/Object.freeze({
	__proto__: null,
	Any: Any,
	Cc: Cc,
	Cf: regex$2,
	P: P$1,
	S: regex$1,
	Z: Z$1
});

// Generated using scripts/write-decode-map.ts
var htmlDecodeTree = new Uint16Array(
// prettier-ignore
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    .split("")
    .map((c) => c.charCodeAt(0)));

// Generated using scripts/write-decode-map.ts
var xmlDecodeTree = new Uint16Array(
// prettier-ignore
"\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022"
    .split("")
    .map((c) => c.charCodeAt(0)));

// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
var _a;
const decodeMap = new Map([
    [0, 65533],
    // C1 Unicode control character reference replacements
    [128, 8364],
    [130, 8218],
    [131, 402],
    [132, 8222],
    [133, 8230],
    [134, 8224],
    [135, 8225],
    [136, 710],
    [137, 8240],
    [138, 352],
    [139, 8249],
    [140, 338],
    [142, 381],
    [145, 8216],
    [146, 8217],
    [147, 8220],
    [148, 8221],
    [149, 8226],
    [150, 8211],
    [151, 8212],
    [152, 732],
    [153, 8482],
    [154, 353],
    [155, 8250],
    [156, 339],
    [158, 382],
    [159, 376],
]);
/**
 * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
 */
const fromCodePoint$1 = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
(_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function (codePoint) {
    let output = "";
    if (codePoint > 0xffff) {
        codePoint -= 0x10000;
        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
        codePoint = 0xdc00 | (codePoint & 0x3ff);
    }
    output += String.fromCharCode(codePoint);
    return output;
};
/**
 * Replace the given code point with a replacement character if it is a
 * surrogate or is outside the valid range. Otherwise return the code
 * point unchanged.
 */
function replaceCodePoint(codePoint) {
    var _a;
    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
        return 0xfffd;
    }
    return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
}

var CharCodes;
(function (CharCodes) {
    CharCodes[CharCodes["NUM"] = 35] = "NUM";
    CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
    CharCodes[CharCodes["EQUALS"] = 61] = "EQUALS";
    CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
    CharCodes[CharCodes["NINE"] = 57] = "NINE";
    CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
    CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
    CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
    CharCodes[CharCodes["LOWER_Z"] = 122] = "LOWER_Z";
    CharCodes[CharCodes["UPPER_A"] = 65] = "UPPER_A";
    CharCodes[CharCodes["UPPER_F"] = 70] = "UPPER_F";
    CharCodes[CharCodes["UPPER_Z"] = 90] = "UPPER_Z";
})(CharCodes || (CharCodes = {}));
/** Bit that needs to be set to convert an upper case ASCII character to lower case */
const TO_LOWER_BIT = 0b100000;
var BinTrieFlags;
(function (BinTrieFlags) {
    BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
    BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
    BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
})(BinTrieFlags || (BinTrieFlags = {}));
function isNumber(code) {
    return code >= CharCodes.ZERO && code <= CharCodes.NINE;
}
function isHexadecimalCharacter(code) {
    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_F) ||
        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_F));
}
function isAsciiAlphaNumeric(code) {
    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_Z) ||
        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_Z) ||
        isNumber(code));
}
/**
 * Checks if the given character is a valid end character for an entity in an attribute.
 *
 * Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
 * See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
 */
function isEntityInAttributeInvalidEnd(code) {
    return code === CharCodes.EQUALS || isAsciiAlphaNumeric(code);
}
var EntityDecoderState;
(function (EntityDecoderState) {
    EntityDecoderState[EntityDecoderState["EntityStart"] = 0] = "EntityStart";
    EntityDecoderState[EntityDecoderState["NumericStart"] = 1] = "NumericStart";
    EntityDecoderState[EntityDecoderState["NumericDecimal"] = 2] = "NumericDecimal";
    EntityDecoderState[EntityDecoderState["NumericHex"] = 3] = "NumericHex";
    EntityDecoderState[EntityDecoderState["NamedEntity"] = 4] = "NamedEntity";
})(EntityDecoderState || (EntityDecoderState = {}));
var DecodingMode;
(function (DecodingMode) {
    /** Entities in text nodes that can end with any character. */
    DecodingMode[DecodingMode["Legacy"] = 0] = "Legacy";
    /** Only allow entities terminated with a semicolon. */
    DecodingMode[DecodingMode["Strict"] = 1] = "Strict";
    /** Entities in attributes have limitations on ending characters. */
    DecodingMode[DecodingMode["Attribute"] = 2] = "Attribute";
})(DecodingMode || (DecodingMode = {}));
/**
 * Token decoder with support of writing partial entities.
 */
class EntityDecoder {
    constructor(
    /** The tree used to decode entities. */
    decodeTree, 
    /**
     * The function that is called when a codepoint is decoded.
     *
     * For multi-byte named entities, this will be called multiple times,
     * with the second codepoint, and the same `consumed` value.
     *
     * @param codepoint The decoded codepoint.
     * @param consumed The number of bytes consumed by the decoder.
     */
    emitCodePoint, 
    /** An object that is used to produce errors. */
    errors) {
        this.decodeTree = decodeTree;
        this.emitCodePoint = emitCodePoint;
        this.errors = errors;
        /** The current state of the decoder. */
        this.state = EntityDecoderState.EntityStart;
        /** Characters that were consumed while parsing an entity. */
        this.consumed = 1;
        /**
         * The result of the entity.
         *
         * Either the result index of a numeric entity, or the codepoint of a
         * numeric entity.
         */
        this.result = 0;
        /** The current index in the decode tree. */
        this.treeIndex = 0;
        /** The number of characters that were consumed in excess. */
        this.excess = 1;
        /** The mode in which the decoder is operating. */
        this.decodeMode = DecodingMode.Strict;
    }
    /** Resets the instance to make it reusable. */
    startEntity(decodeMode) {
        this.decodeMode = decodeMode;
        this.state = EntityDecoderState.EntityStart;
        this.result = 0;
        this.treeIndex = 0;
        this.excess = 1;
        this.consumed = 1;
    }
    /**
     * Write an entity to the decoder. This can be called multiple times with partial entities.
     * If the entity is incomplete, the decoder will return -1.
     *
     * Mirrors the implementation of `getDecoder`, but with the ability to stop decoding if the
     * entity is incomplete, and resume when the next string is written.
     *
     * @param string The string containing the entity (or a continuation of the entity).
     * @param offset The offset at which the entity begins. Should be 0 if this is not the first call.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    write(str, offset) {
        switch (this.state) {
            case EntityDecoderState.EntityStart: {
                if (str.charCodeAt(offset) === CharCodes.NUM) {
                    this.state = EntityDecoderState.NumericStart;
                    this.consumed += 1;
                    return this.stateNumericStart(str, offset + 1);
                }
                this.state = EntityDecoderState.NamedEntity;
                return this.stateNamedEntity(str, offset);
            }
            case EntityDecoderState.NumericStart: {
                return this.stateNumericStart(str, offset);
            }
            case EntityDecoderState.NumericDecimal: {
                return this.stateNumericDecimal(str, offset);
            }
            case EntityDecoderState.NumericHex: {
                return this.stateNumericHex(str, offset);
            }
            case EntityDecoderState.NamedEntity: {
                return this.stateNamedEntity(str, offset);
            }
        }
    }
    /**
     * Switches between the numeric decimal and hexadecimal states.
     *
     * Equivalent to the `Numeric character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericStart(str, offset) {
        if (offset >= str.length) {
            return -1;
        }
        if ((str.charCodeAt(offset) | TO_LOWER_BIT) === CharCodes.LOWER_X) {
            this.state = EntityDecoderState.NumericHex;
            this.consumed += 1;
            return this.stateNumericHex(str, offset + 1);
        }
        this.state = EntityDecoderState.NumericDecimal;
        return this.stateNumericDecimal(str, offset);
    }
    addToNumericResult(str, start, end, base) {
        if (start !== end) {
            const digitCount = end - start;
            this.result =
                this.result * Math.pow(base, digitCount) +
                    parseInt(str.substr(start, digitCount), base);
            this.consumed += digitCount;
        }
    }
    /**
     * Parses a hexadecimal numeric entity.
     *
     * Equivalent to the `Hexademical character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericHex(str, offset) {
        const startIdx = offset;
        while (offset < str.length) {
            const char = str.charCodeAt(offset);
            if (isNumber(char) || isHexadecimalCharacter(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 16);
                return this.emitNumericEntity(char, 3);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 16);
        return -1;
    }
    /**
     * Parses a decimal numeric entity.
     *
     * Equivalent to the `Decimal character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericDecimal(str, offset) {
        const startIdx = offset;
        while (offset < str.length) {
            const char = str.charCodeAt(offset);
            if (isNumber(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 10);
                return this.emitNumericEntity(char, 2);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 10);
        return -1;
    }
    /**
     * Validate and emit a numeric entity.
     *
     * Implements the logic from the `Hexademical character reference start
     * state` and `Numeric character reference end state` in the HTML spec.
     *
     * @param lastCp The last code point of the entity. Used to see if the
     *               entity was terminated with a semicolon.
     * @param expectedLength The minimum number of characters that should be
     *                       consumed. Used to validate that at least one digit
     *                       was consumed.
     * @returns The number of characters that were consumed.
     */
    emitNumericEntity(lastCp, expectedLength) {
        var _a;
        // Ensure we consumed at least one digit.
        if (this.consumed <= expectedLength) {
            (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
            return 0;
        }
        // Figure out if this is a legit end of the entity
        if (lastCp === CharCodes.SEMI) {
            this.consumed += 1;
        }
        else if (this.decodeMode === DecodingMode.Strict) {
            return 0;
        }
        this.emitCodePoint(replaceCodePoint(this.result), this.consumed);
        if (this.errors) {
            if (lastCp !== CharCodes.SEMI) {
                this.errors.missingSemicolonAfterCharacterReference();
            }
            this.errors.validateNumericCharacterReference(this.result);
        }
        return this.consumed;
    }
    /**
     * Parses a named entity.
     *
     * Equivalent to the `Named character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNamedEntity(str, offset) {
        const { decodeTree } = this;
        let current = decodeTree[this.treeIndex];
        // The mask is the number of bytes of the value, including the current byte.
        let valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
        for (; offset < str.length; offset++, this.excess++) {
            const char = str.charCodeAt(offset);
            this.treeIndex = determineBranch(decodeTree, current, this.treeIndex + Math.max(1, valueLength), char);
            if (this.treeIndex < 0) {
                return this.result === 0 ||
                    // If we are parsing an attribute
                    (this.decodeMode === DecodingMode.Attribute &&
                        // We shouldn't have consumed any characters after the entity,
                        (valueLength === 0 ||
                            // And there should be no invalid characters.
                            isEntityInAttributeInvalidEnd(char)))
                    ? 0
                    : this.emitNotTerminatedNamedEntity();
            }
            current = decodeTree[this.treeIndex];
            valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
            // If the branch is a value, store it and continue
            if (valueLength !== 0) {
                // If the entity is terminated by a semicolon, we are done.
                if (char === CharCodes.SEMI) {
                    return this.emitNamedEntityData(this.treeIndex, valueLength, this.consumed + this.excess);
                }
                // If we encounter a non-terminated (legacy) entity while parsing strictly, then ignore it.
                if (this.decodeMode !== DecodingMode.Strict) {
                    this.result = this.treeIndex;
                    this.consumed += this.excess;
                    this.excess = 0;
                }
            }
        }
        return -1;
    }
    /**
     * Emit a named entity that was not terminated with a semicolon.
     *
     * @returns The number of characters consumed.
     */
    emitNotTerminatedNamedEntity() {
        var _a;
        const { result, decodeTree } = this;
        const valueLength = (decodeTree[result] & BinTrieFlags.VALUE_LENGTH) >> 14;
        this.emitNamedEntityData(result, valueLength, this.consumed);
        (_a = this.errors) === null || _a === void 0 ? void 0 : _a.missingSemicolonAfterCharacterReference();
        return this.consumed;
    }
    /**
     * Emit a named entity.
     *
     * @param result The index of the entity in the decode tree.
     * @param valueLength The number of bytes in the entity.
     * @param consumed The number of characters consumed.
     *
     * @returns The number of characters consumed.
     */
    emitNamedEntityData(result, valueLength, consumed) {
        const { decodeTree } = this;
        this.emitCodePoint(valueLength === 1
            ? decodeTree[result] & ~BinTrieFlags.VALUE_LENGTH
            : decodeTree[result + 1], consumed);
        if (valueLength === 3) {
            // For multi-byte values, we need to emit the second byte.
            this.emitCodePoint(decodeTree[result + 2], consumed);
        }
        return consumed;
    }
    /**
     * Signal to the parser that the end of the input was reached.
     *
     * Remaining data will be emitted and relevant errors will be produced.
     *
     * @returns The number of characters consumed.
     */
    end() {
        var _a;
        switch (this.state) {
            case EntityDecoderState.NamedEntity: {
                // Emit a named entity if we have one.
                return this.result !== 0 &&
                    (this.decodeMode !== DecodingMode.Attribute ||
                        this.result === this.treeIndex)
                    ? this.emitNotTerminatedNamedEntity()
                    : 0;
            }
            // Otherwise, emit a numeric entity if we have one.
            case EntityDecoderState.NumericDecimal: {
                return this.emitNumericEntity(0, 2);
            }
            case EntityDecoderState.NumericHex: {
                return this.emitNumericEntity(0, 3);
            }
            case EntityDecoderState.NumericStart: {
                (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
                return 0;
            }
            case EntityDecoderState.EntityStart: {
                // Return 0 if we have no entity.
                return 0;
            }
        }
    }
}
/**
 * Creates a function that decodes entities in a string.
 *
 * @param decodeTree The decode tree.
 * @returns A function that decodes entities in a string.
 */
function getDecoder(decodeTree) {
    let ret = "";
    const decoder = new EntityDecoder(decodeTree, (str) => (ret += fromCodePoint$1(str)));
    return function decodeWithTrie(str, decodeMode) {
        let lastIndex = 0;
        let offset = 0;
        while ((offset = str.indexOf("&", offset)) >= 0) {
            ret += str.slice(lastIndex, offset);
            decoder.startEntity(decodeMode);
            const len = decoder.write(str, 
            // Skip the "&"
            offset + 1);
            if (len < 0) {
                lastIndex = offset + decoder.end();
                break;
            }
            lastIndex = offset + len;
            // If `len` is 0, skip the current `&` and continue.
            offset = len === 0 ? lastIndex + 1 : lastIndex;
        }
        const result = ret + str.slice(lastIndex);
        // Make sure we don't keep a reference to the final string.
        ret = "";
        return result;
    };
}
/**
 * Determines the branch of the current node that is taken given the current
 * character. This function is used to traverse the trie.
 *
 * @param decodeTree The trie.
 * @param current The current node.
 * @param nodeIdx The index right after the current node and its value.
 * @param char The current character.
 * @returns The index of the next node, or -1 if no branch is taken.
 */
function determineBranch(decodeTree, current, nodeIdx, char) {
    const branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
    const jumpOffset = current & BinTrieFlags.JUMP_TABLE;
    // Case 1: Single branch encoded in jump offset
    if (branchCount === 0) {
        return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
    }
    // Case 2: Multiple branches encoded in jump table
    if (jumpOffset) {
        const value = char - jumpOffset;
        return value < 0 || value >= branchCount
            ? -1
            : decodeTree[nodeIdx + value] - 1;
    }
    // Case 3: Multiple branches encoded in dictionary
    // Binary search for the character.
    let lo = nodeIdx;
    let hi = lo + branchCount - 1;
    while (lo <= hi) {
        const mid = (lo + hi) >>> 1;
        const midVal = decodeTree[mid];
        if (midVal < char) {
            lo = mid + 1;
        }
        else if (midVal > char) {
            hi = mid - 1;
        }
        else {
            return decodeTree[mid + branchCount];
        }
    }
    return -1;
}
const htmlDecoder = getDecoder(htmlDecodeTree);
getDecoder(xmlDecodeTree);
/**
 * Decodes an HTML string.
 *
 * @param str The string to decode.
 * @param mode The decoding mode.
 * @returns The decoded string.
 */
function decodeHTML(str, mode = DecodingMode.Legacy) {
    return htmlDecoder(str, mode);
}

// Utilities
//


function _class$1 (obj) { return Object.prototype.toString.call(obj) }

function isString$1 (obj) { return _class$1(obj) === '[object String]' }

const _hasOwnProperty = Object.prototype.hasOwnProperty;

function has (object, key) {
  return _hasOwnProperty.call(object, key)
}

// Merge objects
//
function assign$1 (obj /* from1, from2, from3, ... */) {
  const sources = Array.prototype.slice.call(arguments, 1);

  sources.forEach(function (source) {
    if (!source) { return }

    if (typeof source !== 'object') {
      throw new TypeError(source + 'must be object')
    }

    Object.keys(source).forEach(function (key) {
      obj[key] = source[key];
    });
  });

  return obj
}

// Remove element from array and put another array at those position.
// Useful for some operations with tokens
function arrayReplaceAt (src, pos, newElements) {
  return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1))
}

function isValidEntityCode (c) {
  /* eslint no-bitwise:0 */
  // broken sequence
  if (c >= 0xD800 && c <= 0xDFFF) { return false }
  // never used
  if (c >= 0xFDD0 && c <= 0xFDEF) { return false }
  if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false }
  // control codes
  if (c >= 0x00 && c <= 0x08) { return false }
  if (c === 0x0B) { return false }
  if (c >= 0x0E && c <= 0x1F) { return false }
  if (c >= 0x7F && c <= 0x9F) { return false }
  // out of range
  if (c > 0x10FFFF) { return false }
  return true
}

function fromCodePoint (c) {
  /* eslint no-bitwise:0 */
  if (c > 0xffff) {
    c -= 0x10000;
    const surrogate1 = 0xd800 + (c >> 10);
    const surrogate2 = 0xdc00 + (c & 0x3ff);

    return String.fromCharCode(surrogate1, surrogate2)
  }
  return String.fromCharCode(c)
}

const UNESCAPE_MD_RE  = /\\([!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~])/g;
const ENTITY_RE       = /&([a-z#][a-z0-9]{1,31});/gi;
const UNESCAPE_ALL_RE = new RegExp(UNESCAPE_MD_RE.source + '|' + ENTITY_RE.source, 'gi');

const DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))$/i;

function replaceEntityPattern (match, name) {
  if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {
    const code = name[1].toLowerCase() === 'x'
      ? parseInt(name.slice(2), 16)
      : parseInt(name.slice(1), 10);

    if (isValidEntityCode(code)) {
      return fromCodePoint(code)
    }

    return match
  }

  const decoded = decodeHTML(match);
  if (decoded !== match) {
    return decoded
  }

  return match
}

/* function replaceEntities(str) {
  if (str.indexOf('&') < 0) { return str; }

  return str.replace(ENTITY_RE, replaceEntityPattern);
} */

function unescapeMd (str) {
  if (str.indexOf('\\') < 0) { return str }
  return str.replace(UNESCAPE_MD_RE, '$1')
}

function unescapeAll (str) {
  if (str.indexOf('\\') < 0 && str.indexOf('&') < 0) { return str }

  return str.replace(UNESCAPE_ALL_RE, function (match, escaped, entity) {
    if (escaped) { return escaped }
    return replaceEntityPattern(match, entity)
  })
}

const HTML_ESCAPE_TEST_RE$1 = /[&<>"]/;
const HTML_ESCAPE_REPLACE_RE$1 = /[&<>"]/g;
const HTML_REPLACEMENTS$1 = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;'
};

function replaceUnsafeChar$1 (ch) {
  return HTML_REPLACEMENTS$1[ch]
}

function escapeHtml$1 (str) {
  if (HTML_ESCAPE_TEST_RE$1.test(str)) {
    return str.replace(HTML_ESCAPE_REPLACE_RE$1, replaceUnsafeChar$1)
  }
  return str
}

const REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/g;

function escapeRE$1 (str) {
  return str.replace(REGEXP_ESCAPE_RE, '\\$&')
}

function isSpace (code) {
  switch (code) {
    case 0x09:
    case 0x20:
      return true
  }
  return false
}

// Zs (unicode class) || [\t\f\v\r\n]
function isWhiteSpace (code) {
  if (code >= 0x2000 && code <= 0x200A) { return true }
  switch (code) {
    case 0x09: // \t
    case 0x0A: // \n
    case 0x0B: // \v
    case 0x0C: // \f
    case 0x0D: // \r
    case 0x20:
    case 0xA0:
    case 0x1680:
    case 0x202F:
    case 0x205F:
    case 0x3000:
      return true
  }
  return false
}

/* eslint-disable max-len */

// Currently without astral characters support.
function isPunctChar (ch) {
  return P$1.test(ch) || regex$1.test(ch)
}

// Markdown ASCII punctuation characters.
//
// !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~
// http://spec.commonmark.org/0.15/#ascii-punctuation-character
//
// Don't confuse with unicode punctuation !!! It lacks some chars in ascii range.
//
function isMdAsciiPunct (ch) {
  switch (ch) {
    case 0x21/* ! */:
    case 0x22/* " */:
    case 0x23/* # */:
    case 0x24/* $ */:
    case 0x25/* % */:
    case 0x26/* & */:
    case 0x27/* ' */:
    case 0x28/* ( */:
    case 0x29/* ) */:
    case 0x2A/* * */:
    case 0x2B/* + */:
    case 0x2C/* , */:
    case 0x2D/* - */:
    case 0x2E/* . */:
    case 0x2F/* / */:
    case 0x3A/* : */:
    case 0x3B/* ; */:
    case 0x3C/* < */:
    case 0x3D/* = */:
    case 0x3E/* > */:
    case 0x3F/* ? */:
    case 0x40/* @ */:
    case 0x5B/* [ */:
    case 0x5C/* \ */:
    case 0x5D/* ] */:
    case 0x5E/* ^ */:
    case 0x5F/* _ */:
    case 0x60/* ` */:
    case 0x7B/* { */:
    case 0x7C/* | */:
    case 0x7D/* } */:
    case 0x7E/* ~ */:
      return true
    default:
      return false
  }
}

// Hepler to unify [reference labels].
//
function normalizeReference (str) {
  // Trim and collapse whitespace
  //
  str = str.trim().replace(/\s+/g, ' ');

  // In node v10 'ẞ'.toLowerCase() === 'Ṿ', which is presumed to be a bug
  // fixed in v12 (couldn't find any details).
  //
  // So treat this one as a special case
  // (remove this when node v10 is no longer supported).
  //
  if ('ẞ'.toLowerCase() === 'Ṿ') {
    str = str.replace(/ẞ/g, 'ß');
  }

  // .toLowerCase().toUpperCase() should get rid of all differences
  // between letter variants.
  //
  // Simple .toLowerCase() doesn't normalize 125 code points correctly,
  // and .toUpperCase doesn't normalize 6 of them (list of exceptions:
  // İ, ϴ, ẞ, Ω, K, Å - those are already uppercased, but have differently
  // uppercased versions).
  //
  // Here's an example showing how it happens. Lets take greek letter omega:
  // uppercase U+0398 (Θ), U+03f4 (ϴ) and lowercase U+03b8 (θ), U+03d1 (ϑ)
  //
  // Unicode entries:
  // 0398;GREEK CAPITAL LETTER THETA;Lu;0;L;;;;;N;;;;03B8;
  // 03B8;GREEK SMALL LETTER THETA;Ll;0;L;;;;;N;;;0398;;0398
  // 03D1;GREEK THETA SYMBOL;Ll;0;L;<compat> 03B8;;;;N;GREEK SMALL LETTER SCRIPT THETA;;0398;;0398
  // 03F4;GREEK CAPITAL THETA SYMBOL;Lu;0;L;<compat> 0398;;;;N;;;;03B8;
  //
  // Case-insensitive comparison should treat all of them as equivalent.
  //
  // But .toLowerCase() doesn't change ϑ (it's already lowercase),
  // and .toUpperCase() doesn't change ϴ (already uppercase).
  //
  // Applying first lower then upper case normalizes any character:
  // '\u0398\u03f4\u03b8\u03d1'.toLowerCase().toUpperCase() === '\u0398\u0398\u0398\u0398'
  //
  // Note: this is equivalent to unicode case folding; unicode normalization
  // is a different step that is not required here.
  //
  // Final result should be uppercased, because it's later stored in an object
  // (this avoid a conflict with Object.prototype members,
  // most notably, `__proto__`)
  //
  return str.toLowerCase().toUpperCase()
}

// Re-export libraries commonly used in both markdown-it and its plugins,
// so plugins won't have to depend on them explicitly, which reduces their
// bundled size (e.g. a browser build).
//
const lib = { mdurl, ucmicro };

var utils$3 = /*#__PURE__*/Object.freeze({
	__proto__: null,
	arrayReplaceAt: arrayReplaceAt,
	assign: assign$1,
	escapeHtml: escapeHtml$1,
	escapeRE: escapeRE$1,
	fromCodePoint: fromCodePoint,
	has: has,
	isMdAsciiPunct: isMdAsciiPunct,
	isPunctChar: isPunctChar,
	isSpace: isSpace,
	isString: isString$1,
	isValidEntityCode: isValidEntityCode,
	isWhiteSpace: isWhiteSpace,
	lib: lib,
	normalizeReference: normalizeReference,
	unescapeAll: unescapeAll,
	unescapeMd: unescapeMd
});

// Parse link label
//
// this function assumes that first character ("[") already matches;
// returns the end of the label
//

function parseLinkLabel (state, start, disableNested) {
  let level, found, marker, prevPos;

  const max = state.posMax;
  const oldPos = state.pos;

  state.pos = start + 1;
  level = 1;

  while (state.pos < max) {
    marker = state.src.charCodeAt(state.pos);
    if (marker === 0x5D /* ] */) {
      level--;
      if (level === 0) {
        found = true;
        break
      }
    }

    prevPos = state.pos;
    state.md.inline.skipToken(state);
    if (marker === 0x5B /* [ */) {
      if (prevPos === state.pos - 1) {
        // increase level if we find text `[`, which is not a part of any token
        level++;
      } else if (disableNested) {
        state.pos = oldPos;
        return -1
      }
    }
  }

  let labelEnd = -1;

  if (found) {
    labelEnd = state.pos;
  }

  // restore old state
  state.pos = oldPos;

  return labelEnd
}

// Parse link destination
//


function parseLinkDestination (str, start, max) {
  let code;
  let pos = start;

  const result = {
    ok: false,
    pos: 0,
    str: ''
  };

  if (str.charCodeAt(pos) === 0x3C /* < */) {
    pos++;
    while (pos < max) {
      code = str.charCodeAt(pos);
      if (code === 0x0A /* \n */) { return result }
      if (code === 0x3C /* < */) { return result }
      if (code === 0x3E /* > */) {
        result.pos = pos + 1;
        result.str = unescapeAll(str.slice(start + 1, pos));
        result.ok = true;
        return result
      }
      if (code === 0x5C /* \ */ && pos + 1 < max) {
        pos += 2;
        continue
      }

      pos++;
    }

    // no closing '>'
    return result
  }

  // this should be ... } else { ... branch

  let level = 0;
  while (pos < max) {
    code = str.charCodeAt(pos);

    if (code === 0x20) { break }

    // ascii control characters
    if (code < 0x20 || code === 0x7F) { break }

    if (code === 0x5C /* \ */ && pos + 1 < max) {
      if (str.charCodeAt(pos + 1) === 0x20) { break }
      pos += 2;
      continue
    }

    if (code === 0x28 /* ( */) {
      level++;
      if (level > 32) { return result }
    }

    if (code === 0x29 /* ) */) {
      if (level === 0) { break }
      level--;
    }

    pos++;
  }

  if (start === pos) { return result }
  if (level !== 0) { return result }

  result.str = unescapeAll(str.slice(start, pos));
  result.pos = pos;
  result.ok = true;
  return result
}

// Parse link title
//


// Parse link title within `str` in [start, max] range,
// or continue previous parsing if `prev_state` is defined (equal to result of last execution).
//
function parseLinkTitle (str, start, max, prev_state) {
  let code;
  let pos = start;

  const state = {
    // if `true`, this is a valid link title
    ok: false,
    // if `true`, this link can be continued on the next line
    can_continue: false,
    // if `ok`, it's the position of the first character after the closing marker
    pos: 0,
    // if `ok`, it's the unescaped title
    str: '',
    // expected closing marker character code
    marker: 0
  };

  if (prev_state) {
    // this is a continuation of a previous parseLinkTitle call on the next line,
    // used in reference links only
    state.str = prev_state.str;
    state.marker = prev_state.marker;
  } else {
    if (pos >= max) { return state }

    let marker = str.charCodeAt(pos);
    if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return state }

    start++;
    pos++;

    // if opening marker is "(", switch it to closing marker ")"
    if (marker === 0x28) { marker = 0x29; }

    state.marker = marker;
  }

  while (pos < max) {
    code = str.charCodeAt(pos);
    if (code === state.marker) {
      state.pos = pos + 1;
      state.str += unescapeAll(str.slice(start, pos));
      state.ok = true;
      return state
    } else if (code === 0x28 /* ( */ && state.marker === 0x29 /* ) */) {
      return state
    } else if (code === 0x5C /* \ */ && pos + 1 < max) {
      pos++;
    }

    pos++;
  }

  // no closing marker found, but this link title may continue on the next line (for references)
  state.can_continue = true;
  state.str += unescapeAll(str.slice(start, pos));
  return state
}

// Just a shortcut for bulk export

var helpers = /*#__PURE__*/Object.freeze({
	__proto__: null,
	parseLinkDestination: parseLinkDestination,
	parseLinkLabel: parseLinkLabel,
	parseLinkTitle: parseLinkTitle
});

/**
 * class Renderer
 *
 * Generates HTML from parsed token stream. Each instance has independent
 * copy of rules. Those can be rewritten with ease. Also, you can add new
 * rules if you create plugin and adds new token types.
 **/


const default_rules = {};

default_rules.code_inline = function (tokens, idx, options, env, slf) {
  const token = tokens[idx];

  return  '<code' + slf.renderAttrs(token) + '>' +
          escapeHtml$1(token.content) +
          '</code>'
};

default_rules.code_block = function (tokens, idx, options, env, slf) {
  const token = tokens[idx];

  return  '<pre' + slf.renderAttrs(token) + '><code>' +
          escapeHtml$1(tokens[idx].content) +
          '</code></pre>\n'
};

default_rules.fence = function (tokens, idx, options, env, slf) {
  const token = tokens[idx];
  const info = token.info ? unescapeAll(token.info).trim() : '';
  let langName = '';
  let langAttrs = '';

  if (info) {
    const arr = info.split(/(\s+)/g);
    langName = arr[0];
    langAttrs = arr.slice(2).join('');
  }

  let highlighted;
  if (options.highlight) {
    highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml$1(token.content);
  } else {
    highlighted = escapeHtml$1(token.content);
  }

  if (highlighted.indexOf('<pre') === 0) {
    return highlighted + '\n'
  }

  // If language exists, inject class gently, without modifying original token.
  // May be, one day we will add .deepClone() for token and simplify this part, but
  // now we prefer to keep things local.
  if (info) {
    const i = token.attrIndex('class');
    const tmpAttrs = token.attrs ? token.attrs.slice() : [];

    if (i < 0) {
      tmpAttrs.push(['class', options.langPrefix + langName]);
    } else {
      tmpAttrs[i] = tmpAttrs[i].slice();
      tmpAttrs[i][1] += ' ' + options.langPrefix + langName;
    }

    // Fake token just to render attributes
    const tmpToken = {
      attrs: tmpAttrs
    };

    return `<pre><code${slf.renderAttrs(tmpToken)}>${highlighted}</code></pre>\n`
  }

  return `<pre><code${slf.renderAttrs(token)}>${highlighted}</code></pre>\n`
};

default_rules.image = function (tokens, idx, options, env, slf) {
  const token = tokens[idx];

  // "alt" attr MUST be set, even if empty. Because it's mandatory and
  // should be placed on proper position for tests.
  //
  // Replace content with actual value

  token.attrs[token.attrIndex('alt')][1] =
    slf.renderInlineAsText(token.children, options, env);

  return slf.renderToken(tokens, idx, options)
};

default_rules.hardbreak = function (tokens, idx, options /*, env */) {
  return options.xhtmlOut ? '<br />\n' : '<br>\n'
};
default_rules.softbreak = function (tokens, idx, options /*, env */) {
  return options.breaks ? (options.xhtmlOut ? '<br />\n' : '<br>\n') : '\n'
};

default_rules.text = function (tokens, idx /*, options, env */) {
  return escapeHtml$1(tokens[idx].content)
};

default_rules.html_block = function (tokens, idx /*, options, env */) {
  return tokens[idx].content
};
default_rules.html_inline = function (tokens, idx /*, options, env */) {
  return tokens[idx].content
};

/**
 * new Renderer()
 *
 * Creates new [[Renderer]] instance and fill [[Renderer#rules]] with defaults.
 **/
function Renderer () {
  /**
   * Renderer#rules -> Object
   *
   * Contains render rules for tokens. Can be updated and extended.
   *
   * ##### Example
   *
   * ```javascript
   * var md = require('markdown-it')();
   *
   * md.renderer.rules.strong_open  = function () { return '<b>'; };
   * md.renderer.rules.strong_close = function () { return '</b>'; };
   *
   * var result = md.renderInline(...);
   * ```
   *
   * Each rule is called as independent static function with fixed signature:
   *
   * ```javascript
   * function my_token_render(tokens, idx, options, env, renderer) {
   *   // ...
   *   return renderedHTML;
   * }
   * ```
   *
   * See [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs)
   * for more details and examples.
   **/
  this.rules = assign$1({}, default_rules);
}

/**
 * Renderer.renderAttrs(token) -> String
 *
 * Render token attributes to string.
 **/
Renderer.prototype.renderAttrs = function renderAttrs (token) {
  let i, l, result;

  if (!token.attrs) { return '' }

  result = '';

  for (i = 0, l = token.attrs.length; i < l; i++) {
    result += ' ' + escapeHtml$1(token.attrs[i][0]) + '="' + escapeHtml$1(token.attrs[i][1]) + '"';
  }

  return result
};

/**
 * Renderer.renderToken(tokens, idx, options) -> String
 * - tokens (Array): list of tokens
 * - idx (Numbed): token index to render
 * - options (Object): params of parser instance
 *
 * Default token renderer. Can be overriden by custom function
 * in [[Renderer#rules]].
 **/
Renderer.prototype.renderToken = function renderToken (tokens, idx, options) {
  const token = tokens[idx];
  let result = '';

  // Tight list paragraphs
  if (token.hidden) {
    return ''
  }

  // Insert a newline between hidden paragraph and subsequent opening
  // block-level tag.
  //
  // For example, here we should insert a newline before blockquote:
  //  - a
  //    >
  //
  if (token.block && token.nesting !== -1 && idx && tokens[idx - 1].hidden) {
    result += '\n';
  }

  // Add token name, e.g. `<img`
  result += (token.nesting === -1 ? '</' : '<') + token.tag;

  // Encode attributes, e.g. `<img src="foo"`
  result += this.renderAttrs(token);

  // Add a slash for self-closing tags, e.g. `<img src="foo" /`
  if (token.nesting === 0 && options.xhtmlOut) {
    result += ' /';
  }

  // Check if we need to add a newline after this tag
  let needLf = false;
  if (token.block) {
    needLf = true;

    if (token.nesting === 1) {
      if (idx + 1 < tokens.length) {
        const nextToken = tokens[idx + 1];

        if (nextToken.type === 'inline' || nextToken.hidden) {
          // Block-level tag containing an inline tag.
          //
          needLf = false;
        } else if (nextToken.nesting === -1 && nextToken.tag === token.tag) {
          // Opening tag + closing tag of the same type. E.g. `<li></li>`.
          //
          needLf = false;
        }
      }
    }
  }

  result += needLf ? '>\n' : '>';

  return result
};

/**
 * Renderer.renderInline(tokens, options, env) -> String
 * - tokens (Array): list on block tokens to render
 * - options (Object): params of parser instance
 * - env (Object): additional data from parsed input (references, for example)
 *
 * The same as [[Renderer.render]], but for single token of `inline` type.
 **/
Renderer.prototype.renderInline = function (tokens, options, env) {
  let result = '';
  const rules = this.rules;

  for (let i = 0, len = tokens.length; i < len; i++) {
    const type = tokens[i].type;

    if (typeof rules[type] !== 'undefined') {
      result += rules[type](tokens, i, options, env, this);
    } else {
      result += this.renderToken(tokens, i, options);
    }
  }

  return result
};

/** internal
 * Renderer.renderInlineAsText(tokens, options, env) -> String
 * - tokens (Array): list on block tokens to render
 * - options (Object): params of parser instance
 * - env (Object): additional data from parsed input (references, for example)
 *
 * Special kludge for image `alt` attributes to conform CommonMark spec.
 * Don't try to use it! Spec requires to show `alt` content with stripped markup,
 * instead of simple escaping.
 **/
Renderer.prototype.renderInlineAsText = function (tokens, options, env) {
  let result = '';

  for (let i = 0, len = tokens.length; i < len; i++) {
    switch (tokens[i].type) {
      case 'text':
        result += tokens[i].content;
        break
      case 'image':
        result += this.renderInlineAsText(tokens[i].children, options, env);
        break
      case 'html_inline':
      case 'html_block':
        result += tokens[i].content;
        break
      case 'softbreak':
      case 'hardbreak':
        result += '\n';
        break
        // all other tokens are skipped
    }
  }

  return result
};

/**
 * Renderer.render(tokens, options, env) -> String
 * - tokens (Array): list on block tokens to render
 * - options (Object): params of parser instance
 * - env (Object): additional data from parsed input (references, for example)
 *
 * Takes token stream and generates HTML. Probably, you will never need to call
 * this method directly.
 **/
Renderer.prototype.render = function (tokens, options, env) {
  let result = '';
  const rules = this.rules;

  for (let i = 0, len = tokens.length; i < len; i++) {
    const type = tokens[i].type;

    if (type === 'inline') {
      result += this.renderInline(tokens[i].children, options, env);
    } else if (typeof rules[type] !== 'undefined') {
      result += rules[type](tokens, i, options, env, this);
    } else {
      result += this.renderToken(tokens, i, options, env);
    }
  }

  return result
};

/**
 * class Ruler
 *
 * Helper class, used by [[MarkdownIt#core]], [[MarkdownIt#block]] and
 * [[MarkdownIt#inline]] to manage sequences of functions (rules):
 *
 * - keep rules in defined order
 * - assign the name to each rule
 * - enable/disable rules
 * - add/replace rules
 * - allow assign rules to additional named chains (in the same)
 * - cacheing lists of active rules
 *
 * You will not need use this class directly until write plugins. For simple
 * rules control use [[MarkdownIt.disable]], [[MarkdownIt.enable]] and
 * [[MarkdownIt.use]].
 **/

/**
 * new Ruler()
 **/
function Ruler () {
  // List of added rules. Each element is:
  //
  // {
  //   name: XXX,
  //   enabled: Boolean,
  //   fn: Function(),
  //   alt: [ name2, name3 ]
  // }
  //
  this.__rules__ = [];

  // Cached rule chains.
  //
  // First level - chain name, '' for default.
  // Second level - diginal anchor for fast filtering by charcodes.
  //
  this.__cache__ = null;
}

// Helper methods, should not be used directly

// Find rule index by name
//
Ruler.prototype.__find__ = function (name) {
  for (let i = 0; i < this.__rules__.length; i++) {
    if (this.__rules__[i].name === name) {
      return i
    }
  }
  return -1
};

// Build rules lookup cache
//
Ruler.prototype.__compile__ = function () {
  const self = this;
  const chains = [''];

  // collect unique names
  self.__rules__.forEach(function (rule) {
    if (!rule.enabled) { return }

    rule.alt.forEach(function (altName) {
      if (chains.indexOf(altName) < 0) {
        chains.push(altName);
      }
    });
  });

  self.__cache__ = {};

  chains.forEach(function (chain) {
    self.__cache__[chain] = [];
    self.__rules__.forEach(function (rule) {
      if (!rule.enabled) { return }

      if (chain && rule.alt.indexOf(chain) < 0) { return }

      self.__cache__[chain].push(rule.fn);
    });
  });
};

/**
 * Ruler.at(name, fn [, options])
 * - name (String): rule name to replace.
 * - fn (Function): new rule function.
 * - options (Object): new rule options (not mandatory).
 *
 * Replace rule by name with new function & options. Throws error if name not
 * found.
 *
 * ##### Options:
 *
 * - __alt__ - array with names of "alternate" chains.
 *
 * ##### Example
 *
 * Replace existing typographer replacement rule with new one:
 *
 * ```javascript
 * var md = require('markdown-it')();
 *
 * md.core.ruler.at('replacements', function replace(state) {
 *   //...
 * });
 * ```
 **/
Ruler.prototype.at = function (name, fn, options) {
  const index = this.__find__(name);
  const opt = options || {};

  if (index === -1) { throw new Error('Parser rule not found: ' + name) }

  this.__rules__[index].fn = fn;
  this.__rules__[index].alt = opt.alt || [];
  this.__cache__ = null;
};

/**
 * Ruler.before(beforeName, ruleName, fn [, options])
 * - beforeName (String): new rule will be added before this one.
 * - ruleName (String): name of added rule.
 * - fn (Function): rule function.
 * - options (Object): rule options (not mandatory).
 *
 * Add new rule to chain before one with given name. See also
 * [[Ruler.after]], [[Ruler.push]].
 *
 * ##### Options:
 *
 * - __alt__ - array with names of "alternate" chains.
 *
 * ##### Example
 *
 * ```javascript
 * var md = require('markdown-it')();
 *
 * md.block.ruler.before('paragraph', 'my_rule', function replace(state) {
 *   //...
 * });
 * ```
 **/
Ruler.prototype.before = function (beforeName, ruleName, fn, options) {
  const index = this.__find__(beforeName);
  const opt = options || {};

  if (index === -1) { throw new Error('Parser rule not found: ' + beforeName) }

  this.__rules__.splice(index, 0, {
    name: ruleName,
    enabled: true,
    fn,
    alt: opt.alt || []
  });

  this.__cache__ = null;
};

/**
 * Ruler.after(afterName, ruleName, fn [, options])
 * - afterName (String): new rule will be added after this one.
 * - ruleName (String): name of added rule.
 * - fn (Function): rule function.
 * - options (Object): rule options (not mandatory).
 *
 * Add new rule to chain after one with given name. See also
 * [[Ruler.before]], [[Ruler.push]].
 *
 * ##### Options:
 *
 * - __alt__ - array with names of "alternate" chains.
 *
 * ##### Example
 *
 * ```javascript
 * var md = require('markdown-it')();
 *
 * md.inline.ruler.after('text', 'my_rule', function replace(state) {
 *   //...
 * });
 * ```
 **/
Ruler.prototype.after = function (afterName, ruleName, fn, options) {
  const index = this.__find__(afterName);
  const opt = options || {};

  if (index === -1) { throw new Error('Parser rule not found: ' + afterName) }

  this.__rules__.splice(index + 1, 0, {
    name: ruleName,
    enabled: true,
    fn,
    alt: opt.alt || []
  });

  this.__cache__ = null;
};

/**
 * Ruler.push(ruleName, fn [, options])
 * - ruleName (String): name of added rule.
 * - fn (Function): rule function.
 * - options (Object): rule options (not mandatory).
 *
 * Push new rule to the end of chain. See also
 * [[Ruler.before]], [[Ruler.after]].
 *
 * ##### Options:
 *
 * - __alt__ - array with names of "alternate" chains.
 *
 * ##### Example
 *
 * ```javascript
 * var md = require('markdown-it')();
 *
 * md.core.ruler.push('my_rule', function replace(state) {
 *   //...
 * });
 * ```
 **/
Ruler.prototype.push = function (ruleName, fn, options) {
  const opt = options || {};

  this.__rules__.push({
    name: ruleName,
    enabled: true,
    fn,
    alt: opt.alt || []
  });

  this.__cache__ = null;
};

/**
 * Ruler.enable(list [, ignoreInvalid]) -> Array
 * - list (String|Array): list of rule names to enable.
 * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
 *
 * Enable rules with given names. If any rule name not found - throw Error.
 * Errors can be disabled by second param.
 *
 * Returns list of found rule names (if no exception happened).
 *
 * See also [[Ruler.disable]], [[Ruler.enableOnly]].
 **/
Ruler.prototype.enable = function (list, ignoreInvalid) {
  if (!Array.isArray(list)) { list = [list]; }

  const result = [];

  // Search by name and enable
  list.forEach(function (name) {
    const idx = this.__find__(name);

    if (idx < 0) {
      if (ignoreInvalid) { return }
      throw new Error('Rules manager: invalid rule name ' + name)
    }
    this.__rules__[idx].enabled = true;
    result.push(name);
  }, this);

  this.__cache__ = null;
  return result
};

/**
 * Ruler.enableOnly(list [, ignoreInvalid])
 * - list (String|Array): list of rule names to enable (whitelist).
 * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
 *
 * Enable rules with given names, and disable everything else. If any rule name
 * not found - throw Error. Errors can be disabled by second param.
 *
 * See also [[Ruler.disable]], [[Ruler.enable]].
 **/
Ruler.prototype.enableOnly = function (list, ignoreInvalid) {
  if (!Array.isArray(list)) { list = [list]; }

  this.__rules__.forEach(function (rule) { rule.enabled = false; });

  this.enable(list, ignoreInvalid);
};

/**
 * Ruler.disable(list [, ignoreInvalid]) -> Array
 * - list (String|Array): list of rule names to disable.
 * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
 *
 * Disable rules with given names. If any rule name not found - throw Error.
 * Errors can be disabled by second param.
 *
 * Returns list of found rule names (if no exception happened).
 *
 * See also [[Ruler.enable]], [[Ruler.enableOnly]].
 **/
Ruler.prototype.disable = function (list, ignoreInvalid) {
  if (!Array.isArray(list)) { list = [list]; }

  const result = [];

  // Search by name and disable
  list.forEach(function (name) {
    const idx = this.__find__(name);

    if (idx < 0) {
      if (ignoreInvalid) { return }
      throw new Error('Rules manager: invalid rule name ' + name)
    }
    this.__rules__[idx].enabled = false;
    result.push(name);
  }, this);

  this.__cache__ = null;
  return result
};

/**
 * Ruler.getRules(chainName) -> Array
 *
 * Return array of active functions (rules) for given chain name. It analyzes
 * rules configuration, compiles caches if not exists and returns result.
 *
 * Default chain name is `''` (empty string). It can't be skipped. That's
 * done intentionally, to keep signature monomorphic for high speed.
 **/
Ruler.prototype.getRules = function (chainName) {
  if (this.__cache__ === null) {
    this.__compile__();
  }

  // Chain can be empty, if rules disabled. But we still have to return Array.
  return this.__cache__[chainName] || []
};

// Token class

/**
 * class Token
 **/

/**
 * new Token(type, tag, nesting)
 *
 * Create new token and fill passed properties.
 **/
function Token (type, tag, nesting) {
  /**
   * Token#type -> String
   *
   * Type of the token (string, e.g. "paragraph_open")
   **/
  this.type     = type;

  /**
   * Token#tag -> String
   *
   * html tag name, e.g. "p"
   **/
  this.tag      = tag;

  /**
   * Token#attrs -> Array
   *
   * Html attributes. Format: `[ [ name1, value1 ], [ name2, value2 ] ]`
   **/
  this.attrs    = null;

  /**
   * Token#map -> Array
   *
   * Source map info. Format: `[ line_begin, line_end ]`
   **/
  this.map      = null;

  /**
   * Token#nesting -> Number
   *
   * Level change (number in {-1, 0, 1} set), where:
   *
   * -  `1` means the tag is opening
   * -  `0` means the tag is self-closing
   * - `-1` means the tag is closing
   **/
  this.nesting  = nesting;

  /**
   * Token#level -> Number
   *
   * nesting level, the same as `state.level`
   **/
  this.level    = 0;

  /**
   * Token#children -> Array
   *
   * An array of child nodes (inline and img tokens)
   **/
  this.children = null;

  /**
   * Token#content -> String
   *
   * In a case of self-closing tag (code, html, fence, etc.),
   * it has contents of this tag.
   **/
  this.content  = '';

  /**
   * Token#markup -> String
   *
   * '*' or '_' for emphasis, fence string for fence, etc.
   **/
  this.markup   = '';

  /**
   * Token#info -> String
   *
   * Additional information:
   *
   * - Info string for "fence" tokens
   * - The value "auto" for autolink "link_open" and "link_close" tokens
   * - The string value of the item marker for ordered-list "list_item_open" tokens
   **/
  this.info     = '';

  /**
   * Token#meta -> Object
   *
   * A place for plugins to store an arbitrary data
   **/
  this.meta     = null;

  /**
   * Token#block -> Boolean
   *
   * True for block-level tokens, false for inline tokens.
   * Used in renderer to calculate line breaks
   **/
  this.block    = false;

  /**
   * Token#hidden -> Boolean
   *
   * If it's true, ignore this element when rendering. Used for tight lists
   * to hide paragraphs.
   **/
  this.hidden   = false;
}

/**
 * Token.attrIndex(name) -> Number
 *
 * Search attribute index by name.
 **/
Token.prototype.attrIndex = function attrIndex (name) {
  if (!this.attrs) { return -1 }

  const attrs = this.attrs;

  for (let i = 0, len = attrs.length; i < len; i++) {
    if (attrs[i][0] === name) { return i }
  }
  return -1
};

/**
 * Token.attrPush(attrData)
 *
 * Add `[ name, value ]` attribute to list. Init attrs if necessary
 **/
Token.prototype.attrPush = function attrPush (attrData) {
  if (this.attrs) {
    this.attrs.push(attrData);
  } else {
    this.attrs = [attrData];
  }
};

/**
 * Token.attrSet(name, value)
 *
 * Set `name` attribute to `value`. Override old value if exists.
 **/
Token.prototype.attrSet = function attrSet (name, value) {
  const idx = this.attrIndex(name);
  const attrData = [name, value];

  if (idx < 0) {
    this.attrPush(attrData);
  } else {
    this.attrs[idx] = attrData;
  }
};

/**
 * Token.attrGet(name)
 *
 * Get the value of attribute `name`, or null if it does not exist.
 **/
Token.prototype.attrGet = function attrGet (name) {
  const idx = this.attrIndex(name);
  let value = null;
  if (idx >= 0) {
    value = this.attrs[idx][1];
  }
  return value
};

/**
 * Token.attrJoin(name, value)
 *
 * Join value to existing attribute via space. Or create new attribute if not
 * exists. Useful to operate with token classes.
 **/
Token.prototype.attrJoin = function attrJoin (name, value) {
  const idx = this.attrIndex(name);

  if (idx < 0) {
    this.attrPush([name, value]);
  } else {
    this.attrs[idx][1] = this.attrs[idx][1] + ' ' + value;
  }
};

// Core state object
//


function StateCore (src, md, env) {
  this.src = src;
  this.env = env;
  this.tokens = [];
  this.inlineMode = false;
  this.md = md; // link to parser instance
}

// re-export Token class to use in core rules
StateCore.prototype.Token = Token;

// Normalize input string

// https://spec.commonmark.org/0.29/#line-ending
const NEWLINES_RE  = /\r\n?|\n/g;
const NULL_RE      = /\0/g;

function normalize (state) {
  let str;

  // Normalize newlines
  str = state.src.replace(NEWLINES_RE, '\n');

  // Replace NULL characters
  str = str.replace(NULL_RE, '\uFFFD');

  state.src = str;
}

function block (state) {
  let token;

  if (state.inlineMode) {
    token          = new state.Token('inline', '', 0);
    token.content  = state.src;
    token.map      = [0, 1];
    token.children = [];
    state.tokens.push(token);
  } else {
    state.md.block.parse(state.src, state.md, state.env, state.tokens);
  }
}

function inline (state) {
  const tokens = state.tokens;

  // Parse inlines
  for (let i = 0, l = tokens.length; i < l; i++) {
    const tok = tokens[i];
    if (tok.type === 'inline') {
      state.md.inline.parse(tok.content, state.md, state.env, tok.children);
    }
  }
}

// Replace link-like texts with link nodes.
//
// Currently restricted by `md.validateLink()` to http/https/ftp
//


function isLinkOpen$1 (str) {
  return /^<a[>\s]/i.test(str)
}
function isLinkClose$1 (str) {
  return /^<\/a\s*>/i.test(str)
}

function linkify$1 (state) {
  const blockTokens = state.tokens;

  if (!state.md.options.linkify) { return }

  for (let j = 0, l = blockTokens.length; j < l; j++) {
    if (blockTokens[j].type !== 'inline' ||
        !state.md.linkify.pretest(blockTokens[j].content)) {
      continue
    }

    let tokens = blockTokens[j].children;

    let htmlLinkLevel = 0;

    // We scan from the end, to keep position when new tags added.
    // Use reversed logic in links start/end match
    for (let i = tokens.length - 1; i >= 0; i--) {
      const currentToken = tokens[i];

      // Skip content of markdown links
      if (currentToken.type === 'link_close') {
        i--;
        while (tokens[i].level !== currentToken.level && tokens[i].type !== 'link_open') {
          i--;
        }
        continue
      }

      // Skip content of html tag links
      if (currentToken.type === 'html_inline') {
        if (isLinkOpen$1(currentToken.content) && htmlLinkLevel > 0) {
          htmlLinkLevel--;
        }
        if (isLinkClose$1(currentToken.content)) {
          htmlLinkLevel++;
        }
      }
      if (htmlLinkLevel > 0) { continue }

      if (currentToken.type === 'text' && state.md.linkify.test(currentToken.content)) {
        const text = currentToken.content;
        let links = state.md.linkify.match(text);

        // Now split string to nodes
        const nodes = [];
        let level = currentToken.level;
        let lastPos = 0;

        // forbid escape sequence at the start of the string,
        // this avoids http\://example.com/ from being linkified as
        // http:<a href="//example.com/">//example.com/</a>
        if (links.length > 0 &&
            links[0].index === 0 &&
            i > 0 &&
            tokens[i - 1].type === 'text_special') {
          links = links.slice(1);
        }

        for (let ln = 0; ln < links.length; ln++) {
          const url = links[ln].url;
          const fullUrl = state.md.normalizeLink(url);
          if (!state.md.validateLink(fullUrl)) { continue }

          let urlText = links[ln].text;

          // Linkifier might send raw hostnames like "example.com", where url
          // starts with domain name. So we prepend http:// in those cases,
          // and remove it afterwards.
          //
          if (!links[ln].schema) {
            urlText = state.md.normalizeLinkText('http://' + urlText).replace(/^http:\/\//, '');
          } else if (links[ln].schema === 'mailto:' && !/^mailto:/i.test(urlText)) {
            urlText = state.md.normalizeLinkText('mailto:' + urlText).replace(/^mailto:/, '');
          } else {
            urlText = state.md.normalizeLinkText(urlText);
          }

          const pos = links[ln].index;

          if (pos > lastPos) {
            const token   = new state.Token('text', '', 0);
            token.content = text.slice(lastPos, pos);
            token.level   = level;
            nodes.push(token);
          }

          const token_o   = new state.Token('link_open', 'a', 1);
          token_o.attrs   = [['href', fullUrl]];
          token_o.level   = level++;
          token_o.markup  = 'linkify';
          token_o.info    = 'auto';
          nodes.push(token_o);

          const token_t   = new state.Token('text', '', 0);
          token_t.content = urlText;
          token_t.level   = level;
          nodes.push(token_t);

          const token_c   = new state.Token('link_close', 'a', -1);
          token_c.level   = --level;
          token_c.markup  = 'linkify';
          token_c.info    = 'auto';
          nodes.push(token_c);

          lastPos = links[ln].lastIndex;
        }
        if (lastPos < text.length) {
          const token   = new state.Token('text', '', 0);
          token.content = text.slice(lastPos);
          token.level   = level;
          nodes.push(token);
        }

        // replace current node
        blockTokens[j].children = tokens = arrayReplaceAt(tokens, i, nodes);
      }
    }
  }
}

// Simple typographic replacements
//
// (c) (C) → ©
// (tm) (TM) → ™
// (r) (R) → ®
// +- → ±
// ... → … (also ?.... → ?.., !.... → !..)
// ???????? → ???, !!!!! → !!!, `,,` → `,`
// -- → &ndash;, --- → &mdash;
//

// TODO:
// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
// - multiplications 2 x 4 -> 2 × 4

const RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;

// Workaround for phantomjs - need regex without /g flag,
// or root check will fail every second time
const SCOPED_ABBR_TEST_RE = /\((c|tm|r)\)/i;

const SCOPED_ABBR_RE = /\((c|tm|r)\)/ig;
const SCOPED_ABBR = {
  c: '©',
  r: '®',
  tm: '™'
};

function replaceFn (match, name) {
  return SCOPED_ABBR[name.toLowerCase()]
}

function replace_scoped (inlineTokens) {
  let inside_autolink = 0;

  for (let i = inlineTokens.length - 1; i >= 0; i--) {
    const token = inlineTokens[i];

    if (token.type === 'text' && !inside_autolink) {
      token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
    }

    if (token.type === 'link_open' && token.info === 'auto') {
      inside_autolink--;
    }

    if (token.type === 'link_close' && token.info === 'auto') {
      inside_autolink++;
    }
  }
}

function replace_rare (inlineTokens) {
  let inside_autolink = 0;

  for (let i = inlineTokens.length - 1; i >= 0; i--) {
    const token = inlineTokens[i];

    if (token.type === 'text' && !inside_autolink) {
      if (RARE_RE.test(token.content)) {
        token.content = token.content
          .replace(/\+-/g, '±')
          // .., ..., ....... -> …
          // but ?..... & !..... -> ?.. & !..
          .replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..')
          .replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')
          // em-dash
          .replace(/(^|[^-])---(?=[^-]|$)/mg, '$1\u2014')
          // en-dash
          .replace(/(^|\s)--(?=\s|$)/mg, '$1\u2013')
          .replace(/(^|[^-\s])--(?=[^-\s]|$)/mg, '$1\u2013');
      }
    }

    if (token.type === 'link_open' && token.info === 'auto') {
      inside_autolink--;
    }

    if (token.type === 'link_close' && token.info === 'auto') {
      inside_autolink++;
    }
  }
}

function replace (state) {
  let blkIdx;

  if (!state.md.options.typographer) { return }

  for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
    if (state.tokens[blkIdx].type !== 'inline') { continue }

    if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) {
      replace_scoped(state.tokens[blkIdx].children);
    }

    if (RARE_RE.test(state.tokens[blkIdx].content)) {
      replace_rare(state.tokens[blkIdx].children);
    }
  }
}

// Convert straight quotation marks to typographic ones
//


const QUOTE_TEST_RE = /['"]/;
const QUOTE_RE = /['"]/g;
const APOSTROPHE = '\u2019'; /* ’ */

function replaceAt (str, index, ch) {
  return str.slice(0, index) + ch + str.slice(index + 1)
}

function process_inlines (tokens, state) {
  let j;

  const stack = [];

  for (let i = 0; i < tokens.length; i++) {
    const token = tokens[i];

    const thisLevel = tokens[i].level;

    for (j = stack.length - 1; j >= 0; j--) {
      if (stack[j].level <= thisLevel) { break }
    }
    stack.length = j + 1;

    if (token.type !== 'text') { continue }

    let text = token.content;
    let pos = 0;
    let max = text.length;

    /* eslint no-labels:0,block-scoped-var:0 */
    OUTER:
    while (pos < max) {
      QUOTE_RE.lastIndex = pos;
      const t = QUOTE_RE.exec(text);
      if (!t) { break }

      let canOpen = true;
      let canClose = true;
      pos = t.index + 1;
      const isSingle = (t[0] === "'");

      // Find previous character,
      // default to space if it's the beginning of the line
      //
      let lastChar = 0x20;

      if (t.index - 1 >= 0) {
        lastChar = text.charCodeAt(t.index - 1);
      } else {
        for (j = i - 1; j >= 0; j--) {
          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break // lastChar defaults to 0x20
          if (!tokens[j].content) continue // should skip all tokens except 'text', 'html_inline' or 'code_inline'

          lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);
          break
        }
      }

      // Find next character,
      // default to space if it's the end of the line
      //
      let nextChar = 0x20;

      if (pos < max) {
        nextChar = text.charCodeAt(pos);
      } else {
        for (j = i + 1; j < tokens.length; j++) {
          if (tokens[j].type === 'softbreak' || tokens[j].type === 'hardbreak') break // nextChar defaults to 0x20
          if (!tokens[j].content) continue // should skip all tokens except 'text', 'html_inline' or 'code_inline'

          nextChar = tokens[j].content.charCodeAt(0);
          break
        }
      }

      const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
      const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));

      const isLastWhiteSpace = isWhiteSpace(lastChar);
      const isNextWhiteSpace = isWhiteSpace(nextChar);

      if (isNextWhiteSpace) {
        canOpen = false;
      } else if (isNextPunctChar) {
        if (!(isLastWhiteSpace || isLastPunctChar)) {
          canOpen = false;
        }
      }

      if (isLastWhiteSpace) {
        canClose = false;
      } else if (isLastPunctChar) {
        if (!(isNextWhiteSpace || isNextPunctChar)) {
          canClose = false;
        }
      }

      if (nextChar === 0x22 /* " */ && t[0] === '"') {
        if (lastChar >= 0x30 /* 0 */ && lastChar <= 0x39 /* 9 */) {
          // special case: 1"" - count first quote as an inch
          canClose = canOpen = false;
        }
      }

      if (canOpen && canClose) {
        // Replace quotes in the middle of punctuation sequence, but not
        // in the middle of the words, i.e.:
        //
        // 1. foo " bar " baz - not replaced
        // 2. foo-"-bar-"-baz - replaced
        // 3. foo"bar"baz     - not replaced
        //
        canOpen = isLastPunctChar;
        canClose = isNextPunctChar;
      }

      if (!canOpen && !canClose) {
        // middle of word
        if (isSingle) {
          token.content = replaceAt(token.content, t.index, APOSTROPHE);
        }
        continue
      }

      if (canClose) {
        // this could be a closing quote, rewind the stack to get a match
        for (j = stack.length - 1; j >= 0; j--) {
          let item = stack[j];
          if (stack[j].level < thisLevel) { break }
          if (item.single === isSingle && stack[j].level === thisLevel) {
            item = stack[j];

            let openQuote;
            let closeQuote;
            if (isSingle) {
              openQuote = state.md.options.quotes[2];
              closeQuote = state.md.options.quotes[3];
            } else {
              openQuote = state.md.options.quotes[0];
              closeQuote = state.md.options.quotes[1];
            }

            // replace token.content *before* tokens[item.token].content,
            // because, if they are pointing at the same token, replaceAt
            // could mess up indices when quote length != 1
            token.content = replaceAt(token.content, t.index, closeQuote);
            tokens[item.token].content = replaceAt(
              tokens[item.token].content, item.pos, openQuote);

            pos += closeQuote.length - 1;
            if (item.token === i) { pos += openQuote.length - 1; }

            text = token.content;
            max = text.length;

            stack.length = j;
            continue OUTER
          }
        }
      }

      if (canOpen) {
        stack.push({
          token: i,
          pos: t.index,
          single: isSingle,
          level: thisLevel
        });
      } else if (canClose && isSingle) {
        token.content = replaceAt(token.content, t.index, APOSTROPHE);
      }
    }
  }
}

function smartquotes (state) {
  /* eslint max-depth:0 */
  if (!state.md.options.typographer) { return }

  for (let blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
    if (state.tokens[blkIdx].type !== 'inline' ||
        !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) {
      continue
    }

    process_inlines(state.tokens[blkIdx].children, state);
  }
}

// Join raw text tokens with the rest of the text
//
// This is set as a separate rule to provide an opportunity for plugins
// to run text replacements after text join, but before escape join.
//
// For example, `\:)` shouldn't be replaced with an emoji.
//

function text_join (state) {
  let curr, last;
  const blockTokens = state.tokens;
  const l = blockTokens.length;

  for (let j = 0; j < l; j++) {
    if (blockTokens[j].type !== 'inline') continue

    const tokens = blockTokens[j].children;
    const max = tokens.length;

    for (curr = 0; curr < max; curr++) {
      if (tokens[curr].type === 'text_special') {
        tokens[curr].type = 'text';
      }
    }

    for (curr = last = 0; curr < max; curr++) {
      if (tokens[curr].type === 'text' &&
          curr + 1 < max &&
          tokens[curr + 1].type === 'text') {
        // collapse two adjacent text nodes
        tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
      } else {
        if (curr !== last) { tokens[last] = tokens[curr]; }

        last++;
      }
    }

    if (curr !== last) {
      tokens.length = last;
    }
  }
}

/** internal
 * class Core
 *
 * Top-level rules executor. Glues block/inline parsers and does intermediate
 * transformations.
 **/


const _rules$2 = [
  ['normalize',      normalize],
  ['block',          block],
  ['inline',         inline],
  ['linkify',        linkify$1],
  ['replacements',   replace],
  ['smartquotes',    smartquotes],
  // `text_join` finds `text_special` tokens (for escape sequences)
  // and joins them with the rest of the text
  ['text_join',      text_join]
];

/**
 * new Core()
 **/
function Core () {
  /**
   * Core#ruler -> Ruler
   *
   * [[Ruler]] instance. Keep configuration of core rules.
   **/
  this.ruler = new Ruler();

  for (let i = 0; i < _rules$2.length; i++) {
    this.ruler.push(_rules$2[i][0], _rules$2[i][1]);
  }
}

/**
 * Core.process(state)
 *
 * Executes core chain rules.
 **/
Core.prototype.process = function (state) {
  const rules = this.ruler.getRules('');

  for (let i = 0, l = rules.length; i < l; i++) {
    rules[i](state);
  }
};

Core.prototype.State = StateCore;

// Parser state class


function StateBlock (src, md, env, tokens) {
  this.src = src;

  // link to parser instance
  this.md     = md;

  this.env = env;

  //
  // Internal state vartiables
  //

  this.tokens = tokens;

  this.bMarks = [];  // line begin offsets for fast jumps
  this.eMarks = [];  // line end offsets for fast jumps
  this.tShift = [];  // offsets of the first non-space characters (tabs not expanded)
  this.sCount = [];  // indents for each line (tabs expanded)

  // An amount of virtual spaces (tabs expanded) between beginning
  // of each line (bMarks) and real beginning of that line.
  //
  // It exists only as a hack because blockquotes override bMarks
  // losing information in the process.
  //
  // It's used only when expanding tabs, you can think about it as
  // an initial tab length, e.g. bsCount=21 applied to string `\t123`
  // means first tab should be expanded to 4-21%4 === 3 spaces.
  //
  this.bsCount = [];

  // block parser variables

  // required block content indent (for example, if we are
  // inside a list, it would be positioned after list marker)
  this.blkIndent  = 0;
  this.line       = 0; // line index in src
  this.lineMax    = 0; // lines count
  this.tight      = false;  // loose/tight mode for lists
  this.ddIndent   = -1; // indent of the current dd block (-1 if there isn't any)
  this.listIndent = -1; // indent of the current list block (-1 if there isn't any)

  // can be 'blockquote', 'list', 'root', 'paragraph' or 'reference'
  // used in lists to determine if they interrupt a paragraph
  this.parentType = 'root';

  this.level = 0;

  // Create caches
  // Generate markers.
  const s = this.src;

  for (let start = 0, pos = 0, indent = 0, offset = 0, len = s.length, indent_found = false; pos < len; pos++) {
    const ch = s.charCodeAt(pos);

    if (!indent_found) {
      if (isSpace(ch)) {
        indent++;

        if (ch === 0x09) {
          offset += 4 - offset % 4;
        } else {
          offset++;
        }
        continue
      } else {
        indent_found = true;
      }
    }

    if (ch === 0x0A || pos === len - 1) {
      if (ch !== 0x0A) { pos++; }
      this.bMarks.push(start);
      this.eMarks.push(pos);
      this.tShift.push(indent);
      this.sCount.push(offset);
      this.bsCount.push(0);

      indent_found = false;
      indent = 0;
      offset = 0;
      start = pos + 1;
    }
  }

  // Push fake entry to simplify cache bounds checks
  this.bMarks.push(s.length);
  this.eMarks.push(s.length);
  this.tShift.push(0);
  this.sCount.push(0);
  this.bsCount.push(0);

  this.lineMax = this.bMarks.length - 1; // don't count last fake line
}

// Push new token to "stream".
//
StateBlock.prototype.push = function (type, tag, nesting) {
  const token = new Token(type, tag, nesting);
  token.block = true;

  if (nesting < 0) this.level--; // closing tag
  token.level = this.level;
  if (nesting > 0) this.level++; // opening tag

  this.tokens.push(token);
  return token
};

StateBlock.prototype.isEmpty = function isEmpty (line) {
  return this.bMarks[line] + this.tShift[line] >= this.eMarks[line]
};

StateBlock.prototype.skipEmptyLines = function skipEmptyLines (from) {
  for (let max = this.lineMax; from < max; from++) {
    if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {
      break
    }
  }
  return from
};

// Skip spaces from given position.
StateBlock.prototype.skipSpaces = function skipSpaces (pos) {
  for (let max = this.src.length; pos < max; pos++) {
    const ch = this.src.charCodeAt(pos);
    if (!isSpace(ch)) { break }
  }
  return pos
};

// Skip spaces from given position in reverse.
StateBlock.prototype.skipSpacesBack = function skipSpacesBack (pos, min) {
  if (pos <= min) { return pos }

  while (pos > min) {
    if (!isSpace(this.src.charCodeAt(--pos))) { return pos + 1 }
  }
  return pos
};

// Skip char codes from given position
StateBlock.prototype.skipChars = function skipChars (pos, code) {
  for (let max = this.src.length; pos < max; pos++) {
    if (this.src.charCodeAt(pos) !== code) { break }
  }
  return pos
};

// Skip char codes reverse from given position - 1
StateBlock.prototype.skipCharsBack = function skipCharsBack (pos, code, min) {
  if (pos <= min) { return pos }

  while (pos > min) {
    if (code !== this.src.charCodeAt(--pos)) { return pos + 1 }
  }
  return pos
};

// cut lines range from source.
StateBlock.prototype.getLines = function getLines (begin, end, indent, keepLastLF) {
  if (begin >= end) {
    return ''
  }

  const queue = new Array(end - begin);

  for (let i = 0, line = begin; line < end; line++, i++) {
    let lineIndent = 0;
    const lineStart = this.bMarks[line];
    let first = lineStart;
    let last;

    if (line + 1 < end || keepLastLF) {
      // No need for bounds check because we have fake entry on tail.
      last = this.eMarks[line] + 1;
    } else {
      last = this.eMarks[line];
    }

    while (first < last && lineIndent < indent) {
      const ch = this.src.charCodeAt(first);

      if (isSpace(ch)) {
        if (ch === 0x09) {
          lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;
        } else {
          lineIndent++;
        }
      } else if (first - lineStart < this.tShift[line]) {
        // patched tShift masked characters to look like spaces (blockquotes, list markers)
        lineIndent++;
      } else {
        break
      }

      first++;
    }

    if (lineIndent > indent) {
      // partially expanding tabs in code blocks, e.g '\t\tfoobar'
      // with indent=2 becomes '  \tfoobar'
      queue[i] = new Array(lineIndent - indent + 1).join(' ') + this.src.slice(first, last);
    } else {
      queue[i] = this.src.slice(first, last);
    }
  }

  return queue.join('')
};

// re-export Token class to use in block rules
StateBlock.prototype.Token = Token;

// GFM table, https://github.github.com/gfm/#tables-extension-


// Limit the amount of empty autocompleted cells in a table,
// see https://github.com/markdown-it/markdown-it/issues/1000,
//
// Both pulldown-cmark and commonmark-hs limit the number of cells this way to ~200k.
// We set it to 65k, which can expand user input by a factor of x370
// (256x256 square is 1.8kB expanded into 650kB).
const MAX_AUTOCOMPLETED_CELLS = 0x10000;

function getLine (state, line) {
  const pos = state.bMarks[line] + state.tShift[line];
  const max = state.eMarks[line];

  return state.src.slice(pos, max)
}

function escapedSplit (str) {
  const result = [];
  const max = str.length;

  let pos = 0;
  let ch = str.charCodeAt(pos);
  let isEscaped = false;
  let lastPos = 0;
  let current = '';

  while (pos < max) {
    if (ch === 0x7c/* | */) {
      if (!isEscaped) {
        // pipe separating cells, '|'
        result.push(current + str.substring(lastPos, pos));
        current = '';
        lastPos = pos + 1;
      } else {
        // escaped pipe, '\|'
        current += str.substring(lastPos, pos - 1);
        lastPos = pos;
      }
    }

    isEscaped = (ch === 0x5c/* \ */);
    pos++;

    ch = str.charCodeAt(pos);
  }

  result.push(current + str.substring(lastPos));

  return result
}

function table (state, startLine, endLine, silent) {
  // should have at least two lines
  if (startLine + 2 > endLine) { return false }

  let nextLine = startLine + 1;

  if (state.sCount[nextLine] < state.blkIndent) { return false }

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false }

  // first character of the second line should be '|', '-', ':',
  // and no other characters are allowed but spaces;
  // basically, this is the equivalent of /^[-:|][-:|\s]*$/ regexp

  let pos = state.bMarks[nextLine] + state.tShift[nextLine];
  if (pos >= state.eMarks[nextLine]) { return false }

  const firstCh = state.src.charCodeAt(pos++);
  if (firstCh !== 0x7C/* | */ && firstCh !== 0x2D/* - */ && firstCh !== 0x3A/* : */) { return false }

  if (pos >= state.eMarks[nextLine]) { return false }

  const secondCh = state.src.charCodeAt(pos++);
  if (secondCh !== 0x7C/* | */ && secondCh !== 0x2D/* - */ && secondCh !== 0x3A/* : */ && !isSpace(secondCh)) {
    return false
  }

  // if first character is '-', then second character must not be a space
  // (due to parsing ambiguity with list)
  if (firstCh === 0x2D/* - */ && isSpace(secondCh)) { return false }

  while (pos < state.eMarks[nextLine]) {
    const ch = state.src.charCodeAt(pos);

    if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */ && !isSpace(ch)) { return false }

    pos++;
  }

  let lineText = getLine(state, startLine + 1);
  let columns = lineText.split('|');
  const aligns = [];
  for (let i = 0; i < columns.length; i++) {
    const t = columns[i].trim();
    if (!t) {
      // allow empty columns before and after table, but not in between columns;
      // e.g. allow ` |---| `, disallow ` ---||--- `
      if (i === 0 || i === columns.length - 1) {
        continue
      } else {
        return false
      }
    }

    if (!/^:?-+:?$/.test(t)) { return false }
    if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {
      aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');
    } else if (t.charCodeAt(0) === 0x3A/* : */) {
      aligns.push('left');
    } else {
      aligns.push('');
    }
  }

  lineText = getLine(state, startLine).trim();
  if (lineText.indexOf('|') === -1) { return false }
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }
  columns = escapedSplit(lineText);
  if (columns.length && columns[0] === '') columns.shift();
  if (columns.length && columns[columns.length - 1] === '') columns.pop();

  // header row will define an amount of columns in the entire table,
  // and align row should be exactly the same (the rest of the rows can differ)
  const columnCount = columns.length;
  if (columnCount === 0 || columnCount !== aligns.length) { return false }

  if (silent) { return true }

  const oldParentType = state.parentType;
  state.parentType = 'table';

  // use 'blockquote' lists for termination because it's
  // the most similar to tables
  const terminatorRules = state.md.block.ruler.getRules('blockquote');

  const token_to = state.push('table_open', 'table', 1);
  const tableLines = [startLine, 0];
  token_to.map = tableLines;

  const token_tho = state.push('thead_open', 'thead', 1);
  token_tho.map = [startLine, startLine + 1];

  const token_htro = state.push('tr_open', 'tr', 1);
  token_htro.map = [startLine, startLine + 1];

  for (let i = 0; i < columns.length; i++) {
    const token_ho = state.push('th_open', 'th', 1);
    if (aligns[i]) {
      token_ho.attrs  = [['style', 'text-align:' + aligns[i]]];
    }

    const token_il = state.push('inline', '', 0);
    token_il.content  = columns[i].trim();
    token_il.children = [];

    state.push('th_close', 'th', -1);
  }

  state.push('tr_close', 'tr', -1);
  state.push('thead_close', 'thead', -1);

  let tbodyLines;
  let autocompletedCells = 0;

  for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
    if (state.sCount[nextLine] < state.blkIndent) { break }

    let terminate = false;
    for (let i = 0, l = terminatorRules.length; i < l; i++) {
      if (terminatorRules[i](state, nextLine, endLine, true)) {
        terminate = true;
        break
      }
    }

    if (terminate) { break }
    lineText = getLine(state, nextLine).trim();
    if (!lineText) { break }
    if (state.sCount[nextLine] - state.blkIndent >= 4) { break }
    columns = escapedSplit(lineText);
    if (columns.length && columns[0] === '') columns.shift();
    if (columns.length && columns[columns.length - 1] === '') columns.pop();

    // note: autocomplete count can be negative if user specifies more columns than header,
    // but that does not affect intended use (which is limiting expansion)
    autocompletedCells += columnCount - columns.length;
    if (autocompletedCells > MAX_AUTOCOMPLETED_CELLS) { break }

    if (nextLine === startLine + 2) {
      const token_tbo = state.push('tbody_open', 'tbody', 1);
      token_tbo.map = tbodyLines = [startLine + 2, 0];
    }

    const token_tro = state.push('tr_open', 'tr', 1);
    token_tro.map = [nextLine, nextLine + 1];

    for (let i = 0; i < columnCount; i++) {
      const token_tdo = state.push('td_open', 'td', 1);
      if (aligns[i]) {
        token_tdo.attrs  = [['style', 'text-align:' + aligns[i]]];
      }

      const token_il = state.push('inline', '', 0);
      token_il.content  = columns[i] ? columns[i].trim() : '';
      token_il.children = [];

      state.push('td_close', 'td', -1);
    }
    state.push('tr_close', 'tr', -1);
  }

  if (tbodyLines) {
    state.push('tbody_close', 'tbody', -1);
    tbodyLines[1] = nextLine;
  }

  state.push('table_close', 'table', -1);
  tableLines[1] = nextLine;

  state.parentType = oldParentType;
  state.line = nextLine;
  return true
}

// Code block (4 spaces padded)

function code (state, startLine, endLine/*, silent */) {
  if (state.sCount[startLine] - state.blkIndent < 4) { return false }

  let nextLine = startLine + 1;
  let last = nextLine;

  while (nextLine < endLine) {
    if (state.isEmpty(nextLine)) {
      nextLine++;
      continue
    }

    if (state.sCount[nextLine] - state.blkIndent >= 4) {
      nextLine++;
      last = nextLine;
      continue
    }
    break
  }

  state.line = last;

  const token   = state.push('code_block', 'code', 0);
  token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + '\n';
  token.map     = [startLine, state.line];

  return true
}

// fences (``` lang, ~~~ lang)

function fence (state, startLine, endLine, silent) {
  let pos = state.bMarks[startLine] + state.tShift[startLine];
  let max = state.eMarks[startLine];

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  if (pos + 3 > max) { return false }

  const marker = state.src.charCodeAt(pos);

  if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) {
    return false
  }

  // scan marker length
  let mem = pos;
  pos = state.skipChars(pos, marker);

  let len = pos - mem;

  if (len < 3) { return false }

  const markup = state.src.slice(mem, pos);
  const params = state.src.slice(pos, max);

  if (marker === 0x60 /* ` */) {
    if (params.indexOf(String.fromCharCode(marker)) >= 0) {
      return false
    }
  }

  // Since start is found, we can report success here in validation mode
  if (silent) { return true }

  // search end of block
  let nextLine = startLine;
  let haveEndMarker = false;

  for (;;) {
    nextLine++;
    if (nextLine >= endLine) {
      // unclosed block should be autoclosed by end of document.
      // also block seems to be autoclosed by end of parent
      break
    }

    pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
    max = state.eMarks[nextLine];

    if (pos < max && state.sCount[nextLine] < state.blkIndent) {
      // non-empty line with negative indent should stop the list:
      // - ```
      //  test
      break
    }

    if (state.src.charCodeAt(pos) !== marker) { continue }

    if (state.sCount[nextLine] - state.blkIndent >= 4) {
      // closing fence should be indented less than 4 spaces
      continue
    }

    pos = state.skipChars(pos, marker);

    // closing code fence must be at least as long as the opening one
    if (pos - mem < len) { continue }

    // make sure tail has spaces only
    pos = state.skipSpaces(pos);

    if (pos < max) { continue }

    haveEndMarker = true;
    // found!
    break
  }

  // If a fence has heading spaces, they should be removed from its inner block
  len = state.sCount[startLine];

  state.line = nextLine + (haveEndMarker ? 1 : 0);

  const token   = state.push('fence', 'code', 0);
  token.info    = params;
  token.content = state.getLines(startLine + 1, nextLine, len, true);
  token.markup  = markup;
  token.map     = [startLine, state.line];

  return true
}

// Block quotes


function blockquote (state, startLine, endLine, silent) {
  let pos = state.bMarks[startLine] + state.tShift[startLine];
  let max = state.eMarks[startLine];

  const oldLineMax = state.lineMax;

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  // check the block quote marker
  if (state.src.charCodeAt(pos) !== 0x3E/* > */) { return false }

  // we know that it's going to be a valid blockquote,
  // so no point trying to find the end of it in silent mode
  if (silent) { return true }

  const oldBMarks  = [];
  const oldBSCount = [];
  const oldSCount  = [];
  const oldTShift  = [];

  const terminatorRules = state.md.block.ruler.getRules('blockquote');

  const oldParentType = state.parentType;
  state.parentType = 'blockquote';
  let lastLineEmpty = false;
  let nextLine;

  // Search the end of the block
  //
  // Block ends with either:
  //  1. an empty line outside:
  //     ```
  //     > test
  //
  //     ```
  //  2. an empty line inside:
  //     ```
  //     >
  //     test
  //     ```
  //  3. another tag:
  //     ```
  //     > test
  //      - - -
  //     ```
  for (nextLine = startLine; nextLine < endLine; nextLine++) {
    // check if it's outdented, i.e. it's inside list item and indented
    // less than said list item:
    //
    // ```
    // 1. anything
    //    > current blockquote
    // 2. checking this line
    // ```
    const isOutdented = state.sCount[nextLine] < state.blkIndent;

    pos = state.bMarks[nextLine] + state.tShift[nextLine];
    max = state.eMarks[nextLine];

    if (pos >= max) {
      // Case 1: line is not inside the blockquote, and this line is empty.
      break
    }

    if (state.src.charCodeAt(pos++) === 0x3E/* > */ && !isOutdented) {
      // This line is inside the blockquote.

      // set offset past spaces and ">"
      let initial = state.sCount[nextLine] + 1;
      let spaceAfterMarker;
      let adjustTab;

      // skip one optional space after '>'
      if (state.src.charCodeAt(pos) === 0x20 /* space */) {
        // ' >   test '
        //     ^ -- position start of line here:
        pos++;
        initial++;
        adjustTab = false;
        spaceAfterMarker = true;
      } else if (state.src.charCodeAt(pos) === 0x09 /* tab */) {
        spaceAfterMarker = true;

        if ((state.bsCount[nextLine] + initial) % 4 === 3) {
          // '  >\t  test '
          //       ^ -- position start of line here (tab has width===1)
          pos++;
          initial++;
          adjustTab = false;
        } else {
          // ' >\t  test '
          //    ^ -- position start of line here + shift bsCount slightly
          //         to make extra space appear
          adjustTab = true;
        }
      } else {
        spaceAfterMarker = false;
      }

      let offset = initial;
      oldBMarks.push(state.bMarks[nextLine]);
      state.bMarks[nextLine] = pos;

      while (pos < max) {
        const ch = state.src.charCodeAt(pos);

        if (isSpace(ch)) {
          if (ch === 0x09) {
            offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;
          } else {
            offset++;
          }
        } else {
          break
        }

        pos++;
      }

      lastLineEmpty = pos >= max;

      oldBSCount.push(state.bsCount[nextLine]);
      state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);

      oldSCount.push(state.sCount[nextLine]);
      state.sCount[nextLine] = offset - initial;

      oldTShift.push(state.tShift[nextLine]);
      state.tShift[nextLine] = pos - state.bMarks[nextLine];
      continue
    }

    // Case 2: line is not inside the blockquote, and the last line was empty.
    if (lastLineEmpty) { break }

    // Case 3: another tag found.
    let terminate = false;
    for (let i = 0, l = terminatorRules.length; i < l; i++) {
      if (terminatorRules[i](state, nextLine, endLine, true)) {
        terminate = true;
        break
      }
    }

    if (terminate) {
      // Quirk to enforce "hard termination mode" for paragraphs;
      // normally if you call `tokenize(state, startLine, nextLine)`,
      // paragraphs will look below nextLine for paragraph continuation,
      // but if blockquote is terminated by another tag, they shouldn't
      state.lineMax = nextLine;

      if (state.blkIndent !== 0) {
        // state.blkIndent was non-zero, we now set it to zero,
        // so we need to re-calculate all offsets to appear as
        // if indent wasn't changed
        oldBMarks.push(state.bMarks[nextLine]);
        oldBSCount.push(state.bsCount[nextLine]);
        oldTShift.push(state.tShift[nextLine]);
        oldSCount.push(state.sCount[nextLine]);
        state.sCount[nextLine] -= state.blkIndent;
      }

      break
    }

    oldBMarks.push(state.bMarks[nextLine]);
    oldBSCount.push(state.bsCount[nextLine]);
    oldTShift.push(state.tShift[nextLine]);
    oldSCount.push(state.sCount[nextLine]);

    // A negative indentation means that this is a paragraph continuation
    //
    state.sCount[nextLine] = -1;
  }

  const oldIndent = state.blkIndent;
  state.blkIndent = 0;

  const token_o  = state.push('blockquote_open', 'blockquote', 1);
  token_o.markup = '>';
  const lines = [startLine, 0];
  token_o.map    = lines;

  state.md.block.tokenize(state, startLine, nextLine);

  const token_c  = state.push('blockquote_close', 'blockquote', -1);
  token_c.markup = '>';

  state.lineMax = oldLineMax;
  state.parentType = oldParentType;
  lines[1] = state.line;

  // Restore original tShift; this might not be necessary since the parser
  // has already been here, but just to make sure we can do that.
  for (let i = 0; i < oldTShift.length; i++) {
    state.bMarks[i + startLine] = oldBMarks[i];
    state.tShift[i + startLine] = oldTShift[i];
    state.sCount[i + startLine] = oldSCount[i];
    state.bsCount[i + startLine] = oldBSCount[i];
  }
  state.blkIndent = oldIndent;

  return true
}

// Horizontal rule


function hr (state, startLine, endLine, silent) {
  const max = state.eMarks[startLine];
  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  let pos = state.bMarks[startLine] + state.tShift[startLine];
  const marker = state.src.charCodeAt(pos++);

  // Check hr marker
  if (marker !== 0x2A/* * */ &&
      marker !== 0x2D/* - */ &&
      marker !== 0x5F/* _ */) {
    return false
  }

  // markers can be mixed with spaces, but there should be at least 3 of them

  let cnt = 1;
  while (pos < max) {
    const ch = state.src.charCodeAt(pos++);
    if (ch !== marker && !isSpace(ch)) { return false }
    if (ch === marker) { cnt++; }
  }

  if (cnt < 3) { return false }

  if (silent) { return true }

  state.line = startLine + 1;

  const token  = state.push('hr', 'hr', 0);
  token.map    = [startLine, state.line];
  token.markup = Array(cnt + 1).join(String.fromCharCode(marker));

  return true
}

// Lists


// Search `[-+*][\n ]`, returns next pos after marker on success
// or -1 on fail.
function skipBulletListMarker (state, startLine) {
  const max = state.eMarks[startLine];
  let pos = state.bMarks[startLine] + state.tShift[startLine];

  const marker = state.src.charCodeAt(pos++);
  // Check bullet
  if (marker !== 0x2A/* * */ &&
      marker !== 0x2D/* - */ &&
      marker !== 0x2B/* + */) {
    return -1
  }

  if (pos < max) {
    const ch = state.src.charCodeAt(pos);

    if (!isSpace(ch)) {
      // " -test " - is not a list item
      return -1
    }
  }

  return pos
}

// Search `\d+[.)][\n ]`, returns next pos after marker on success
// or -1 on fail.
function skipOrderedListMarker (state, startLine) {
  const start = state.bMarks[startLine] + state.tShift[startLine];
  const max = state.eMarks[startLine];
  let pos = start;

  // List marker should have at least 2 chars (digit + dot)
  if (pos + 1 >= max) { return -1 }

  let ch = state.src.charCodeAt(pos++);

  if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1 }

  for (;;) {
    // EOL -> fail
    if (pos >= max) { return -1 }

    ch = state.src.charCodeAt(pos++);

    if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) {
      // List marker should have no more than 9 digits
      // (prevents integer overflow in browsers)
      if (pos - start >= 10) { return -1 }

      continue
    }

    // found valid marker
    if (ch === 0x29/* ) */ || ch === 0x2e/* . */) {
      break
    }

    return -1
  }

  if (pos < max) {
    ch = state.src.charCodeAt(pos);

    if (!isSpace(ch)) {
      // " 1.test " - is not a list item
      return -1
    }
  }
  return pos
}

function markTightParagraphs (state, idx) {
  const level = state.level + 2;

  for (let i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
    if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
      state.tokens[i + 2].hidden = true;
      state.tokens[i].hidden = true;
      i += 2;
    }
  }
}

function list (state, startLine, endLine, silent) {
  let max, pos, start, token;
  let nextLine = startLine;
  let tight = true;

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[nextLine] - state.blkIndent >= 4) { return false }

  // Special case:
  //  - item 1
  //   - item 2
  //    - item 3
  //     - item 4
  //      - this one is a paragraph continuation
  if (state.listIndent >= 0 &&
      state.sCount[nextLine] - state.listIndent >= 4 &&
      state.sCount[nextLine] < state.blkIndent) {
    return false
  }

  let isTerminatingParagraph = false;

  // limit conditions when list can interrupt
  // a paragraph (validation mode only)
  if (silent && state.parentType === 'paragraph') {
    // Next list item should still terminate previous list item;
    //
    // This code can fail if plugins use blkIndent as well as lists,
    // but I hope the spec gets fixed long before that happens.
    //
    if (state.sCount[nextLine] >= state.blkIndent) {
      isTerminatingParagraph = true;
    }
  }

  // Detect list type and position after marker
  let isOrdered;
  let markerValue;
  let posAfterMarker;
  if ((posAfterMarker = skipOrderedListMarker(state, nextLine)) >= 0) {
    isOrdered = true;
    start = state.bMarks[nextLine] + state.tShift[nextLine];
    markerValue = Number(state.src.slice(start, posAfterMarker - 1));

    // If we're starting a new ordered list right after
    // a paragraph, it should start with 1.
    if (isTerminatingParagraph && markerValue !== 1) return false
  } else if ((posAfterMarker = skipBulletListMarker(state, nextLine)) >= 0) {
    isOrdered = false;
  } else {
    return false
  }

  // If we're starting a new unordered list right after
  // a paragraph, first line should not be empty.
  if (isTerminatingParagraph) {
    if (state.skipSpaces(posAfterMarker) >= state.eMarks[nextLine]) return false
  }

  // For validation mode we can terminate immediately
  if (silent) { return true }

  // We should terminate list on style change. Remember first one to compare.
  const markerCharCode = state.src.charCodeAt(posAfterMarker - 1);

  // Start list
  const listTokIdx = state.tokens.length;

  if (isOrdered) {
    token       = state.push('ordered_list_open', 'ol', 1);
    if (markerValue !== 1) {
      token.attrs = [['start', markerValue]];
    }
  } else {
    token       = state.push('bullet_list_open', 'ul', 1);
  }

  const listLines = [nextLine, 0];
  token.map    = listLines;
  token.markup = String.fromCharCode(markerCharCode);

  //
  // Iterate list items
  //

  let prevEmptyEnd = false;
  const terminatorRules = state.md.block.ruler.getRules('list');

  const oldParentType = state.parentType;
  state.parentType = 'list';

  while (nextLine < endLine) {
    pos = posAfterMarker;
    max = state.eMarks[nextLine];

    const initial = state.sCount[nextLine] + posAfterMarker - (state.bMarks[nextLine] + state.tShift[nextLine]);
    let offset = initial;

    while (pos < max) {
      const ch = state.src.charCodeAt(pos);

      if (ch === 0x09) {
        offset += 4 - (offset + state.bsCount[nextLine]) % 4;
      } else if (ch === 0x20) {
        offset++;
      } else {
        break
      }

      pos++;
    }

    const contentStart = pos;
    let indentAfterMarker;

    if (contentStart >= max) {
      // trimming space in "-    \n  3" case, indent is 1 here
      indentAfterMarker = 1;
    } else {
      indentAfterMarker = offset - initial;
    }

    // If we have more than 4 spaces, the indent is 1
    // (the rest is just indented code block)
    if (indentAfterMarker > 4) { indentAfterMarker = 1; }

    // "  -  test"
    //  ^^^^^ - calculating total length of this thing
    const indent = initial + indentAfterMarker;

    // Run subparser & write tokens
    token        = state.push('list_item_open', 'li', 1);
    token.markup = String.fromCharCode(markerCharCode);
    const itemLines = [nextLine, 0];
    token.map    = itemLines;
    if (isOrdered) {
      token.info = state.src.slice(start, posAfterMarker - 1);
    }

    // change current state, then restore it after parser subcall
    const oldTight = state.tight;
    const oldTShift = state.tShift[nextLine];
    const oldSCount = state.sCount[nextLine];

    //  - example list
    // ^ listIndent position will be here
    //   ^ blkIndent position will be here
    //
    const oldListIndent = state.listIndent;
    state.listIndent = state.blkIndent;
    state.blkIndent = indent;

    state.tight = true;
    state.tShift[nextLine] = contentStart - state.bMarks[nextLine];
    state.sCount[nextLine] = offset;

    if (contentStart >= max && state.isEmpty(nextLine + 1)) {
      // workaround for this case
      // (list item is empty, list terminates before "foo"):
      // ~~~~~~~~
      //   -
      //
      //     foo
      // ~~~~~~~~
      state.line = Math.min(state.line + 2, endLine);
    } else {
      state.md.block.tokenize(state, nextLine, endLine, true);
    }

    // If any of list item is tight, mark list as tight
    if (!state.tight || prevEmptyEnd) {
      tight = false;
    }
    // Item become loose if finish with empty line,
    // but we should filter last element, because it means list finish
    prevEmptyEnd = (state.line - nextLine) > 1 && state.isEmpty(state.line - 1);

    state.blkIndent = state.listIndent;
    state.listIndent = oldListIndent;
    state.tShift[nextLine] = oldTShift;
    state.sCount[nextLine] = oldSCount;
    state.tight = oldTight;

    token        = state.push('list_item_close', 'li', -1);
    token.markup = String.fromCharCode(markerCharCode);

    nextLine = state.line;
    itemLines[1] = nextLine;

    if (nextLine >= endLine) { break }

    //
    // Try to check if list is terminated or continued.
    //
    if (state.sCount[nextLine] < state.blkIndent) { break }

    // if it's indented more than 3 spaces, it should be a code block
    if (state.sCount[nextLine] - state.blkIndent >= 4) { break }

    // fail if terminating block found
    let terminate = false;
    for (let i = 0, l = terminatorRules.length; i < l; i++) {
      if (terminatorRules[i](state, nextLine, endLine, true)) {
        terminate = true;
        break
      }
    }
    if (terminate) { break }

    // fail if list has another type
    if (isOrdered) {
      posAfterMarker = skipOrderedListMarker(state, nextLine);
      if (posAfterMarker < 0) { break }
      start = state.bMarks[nextLine] + state.tShift[nextLine];
    } else {
      posAfterMarker = skipBulletListMarker(state, nextLine);
      if (posAfterMarker < 0) { break }
    }

    if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break }
  }

  // Finalize list
  if (isOrdered) {
    token = state.push('ordered_list_close', 'ol', -1);
  } else {
    token = state.push('bullet_list_close', 'ul', -1);
  }
  token.markup = String.fromCharCode(markerCharCode);

  listLines[1] = nextLine;
  state.line = nextLine;

  state.parentType = oldParentType;

  // mark paragraphs tight if needed
  if (tight) {
    markTightParagraphs(state, listTokIdx);
  }

  return true
}

function reference (state, startLine, _endLine, silent) {
  let pos = state.bMarks[startLine] + state.tShift[startLine];
  let max = state.eMarks[startLine];
  let nextLine = startLine + 1;

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  if (state.src.charCodeAt(pos) !== 0x5B/* [ */) { return false }

  function getNextLine (nextLine) {
    const endLine = state.lineMax;

    if (nextLine >= endLine || state.isEmpty(nextLine)) {
      // empty line or end of input
      return null
    }

    let isContinuation = false;

    // this would be a code block normally, but after paragraph
    // it's considered a lazy continuation regardless of what's there
    if (state.sCount[nextLine] - state.blkIndent > 3) { isContinuation = true; }

    // quirk for blockquotes, this line should already be checked by that rule
    if (state.sCount[nextLine] < 0) { isContinuation = true; }

    if (!isContinuation) {
      const terminatorRules = state.md.block.ruler.getRules('reference');
      const oldParentType = state.parentType;
      state.parentType = 'reference';

      // Some tags can terminate paragraph without empty line.
      let terminate = false;
      for (let i = 0, l = terminatorRules.length; i < l; i++) {
        if (terminatorRules[i](state, nextLine, endLine, true)) {
          terminate = true;
          break
        }
      }

      state.parentType = oldParentType;
      if (terminate) {
        // terminated by another block
        return null
      }
    }

    const pos = state.bMarks[nextLine] + state.tShift[nextLine];
    const max = state.eMarks[nextLine];

    // max + 1 explicitly includes the newline
    return state.src.slice(pos, max + 1)
  }

  let str = state.src.slice(pos, max + 1);

  max = str.length;
  let labelEnd = -1;

  for (pos = 1; pos < max; pos++) {
    const ch = str.charCodeAt(pos);
    if (ch === 0x5B /* [ */) {
      return false
    } else if (ch === 0x5D /* ] */) {
      labelEnd = pos;
      break
    } else if (ch === 0x0A /* \n */) {
      const lineContent = getNextLine(nextLine);
      if (lineContent !== null) {
        str += lineContent;
        max = str.length;
        nextLine++;
      }
    } else if (ch === 0x5C /* \ */) {
      pos++;
      if (pos < max && str.charCodeAt(pos) === 0x0A) {
        const lineContent = getNextLine(nextLine);
        if (lineContent !== null) {
          str += lineContent;
          max = str.length;
          nextLine++;
        }
      }
    }
  }

  if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return false }

  // [label]:   destination   'title'
  //         ^^^ skip optional whitespace here
  for (pos = labelEnd + 2; pos < max; pos++) {
    const ch = str.charCodeAt(pos);
    if (ch === 0x0A) {
      const lineContent = getNextLine(nextLine);
      if (lineContent !== null) {
        str += lineContent;
        max = str.length;
        nextLine++;
      }
    } else if (isSpace(ch)) ; else {
      break
    }
  }

  // [label]:   destination   'title'
  //            ^^^^^^^^^^^ parse this
  const destRes = state.md.helpers.parseLinkDestination(str, pos, max);
  if (!destRes.ok) { return false }

  const href = state.md.normalizeLink(destRes.str);
  if (!state.md.validateLink(href)) { return false }

  pos = destRes.pos;

  // save cursor state, we could require to rollback later
  const destEndPos = pos;
  const destEndLineNo = nextLine;

  // [label]:   destination   'title'
  //                       ^^^ skipping those spaces
  const start = pos;
  for (; pos < max; pos++) {
    const ch = str.charCodeAt(pos);
    if (ch === 0x0A) {
      const lineContent = getNextLine(nextLine);
      if (lineContent !== null) {
        str += lineContent;
        max = str.length;
        nextLine++;
      }
    } else if (isSpace(ch)) ; else {
      break
    }
  }

  // [label]:   destination   'title'
  //                          ^^^^^^^ parse this
  let titleRes = state.md.helpers.parseLinkTitle(str, pos, max);
  while (titleRes.can_continue) {
    const lineContent = getNextLine(nextLine);
    if (lineContent === null) break
    str += lineContent;
    pos = max;
    max = str.length;
    nextLine++;
    titleRes = state.md.helpers.parseLinkTitle(str, pos, max, titleRes);
  }
  let title;

  if (pos < max && start !== pos && titleRes.ok) {
    title = titleRes.str;
    pos = titleRes.pos;
  } else {
    title = '';
    pos = destEndPos;
    nextLine = destEndLineNo;
  }

  // skip trailing spaces until the rest of the line
  while (pos < max) {
    const ch = str.charCodeAt(pos);
    if (!isSpace(ch)) { break }
    pos++;
  }

  if (pos < max && str.charCodeAt(pos) !== 0x0A) {
    if (title) {
      // garbage at the end of the line after title,
      // but it could still be a valid reference if we roll back
      title = '';
      pos = destEndPos;
      nextLine = destEndLineNo;
      while (pos < max) {
        const ch = str.charCodeAt(pos);
        if (!isSpace(ch)) { break }
        pos++;
      }
    }
  }

  if (pos < max && str.charCodeAt(pos) !== 0x0A) {
    // garbage at the end of the line
    return false
  }

  const label = normalizeReference(str.slice(1, labelEnd));
  if (!label) {
    // CommonMark 0.20 disallows empty labels
    return false
  }

  // Reference can not terminate anything. This check is for safety only.
  /* istanbul ignore if */
  if (silent) { return true }

  if (typeof state.env.references === 'undefined') {
    state.env.references = {};
  }
  if (typeof state.env.references[label] === 'undefined') {
    state.env.references[label] = { title, href };
  }

  state.line = nextLine;
  return true
}

// Regexps to match html elements

const attr_name     = '[a-zA-Z_:][a-zA-Z0-9:._-]*';

const unquoted      = '[^"\'=<>`\\x00-\\x20]+';
const single_quoted = "'[^']*'";
const double_quoted = '"[^"]*"';

const attr_value  = '(?:' + unquoted + '|' + single_quoted + '|' + double_quoted + ')';

const attribute   = '(?:\\s+' + attr_name + '(?:\\s*=\\s*' + attr_value + ')?)';

const open_tag    = '<[A-Za-z][A-Za-z0-9\\-]*' + attribute + '*\\s*\\/?>';

const close_tag   = '<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>';
const comment     = '<!---?>|<!--(?:[^-]|-[^-]|--[^>])*-->';
const processing  = '<[?][\\s\\S]*?[?]>';
const declaration = '<![A-Za-z][^>]*>';
const cdata       = '<!\\[CDATA\\[[\\s\\S]*?\\]\\]>';

const HTML_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + '|' + comment +
                        '|' + processing + '|' + declaration + '|' + cdata + ')');
const HTML_OPEN_CLOSE_TAG_RE = new RegExp('^(?:' + open_tag + '|' + close_tag + ')');

// HTML block


// An array of opening and corresponding closing sequences for html tags,
// last argument defines whether it can terminate a paragraph or not
//
const HTML_SEQUENCES = [
  [/^<(script|pre|style|textarea)(?=(\s|>|$))/i, /<\/(script|pre|style|textarea)>/i, true],
  [/^<!--/,        /-->/,   true],
  [/^<\?/,         /\?>/,   true],
  [/^<![A-Z]/,     />/,     true],
  [/^<!\[CDATA\[/, /\]\]>/, true],
  [new RegExp('^</?(' + block_names.join('|') + ')(?=(\\s|/?>|$))', 'i'), /^$/, true],
  [new RegExp(HTML_OPEN_CLOSE_TAG_RE.source + '\\s*$'),  /^$/, false]
];

function html_block (state, startLine, endLine, silent) {
  let pos = state.bMarks[startLine] + state.tShift[startLine];
  let max = state.eMarks[startLine];

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  if (!state.md.options.html) { return false }

  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false }

  let lineText = state.src.slice(pos, max);

  let i = 0;
  for (; i < HTML_SEQUENCES.length; i++) {
    if (HTML_SEQUENCES[i][0].test(lineText)) { break }
  }
  if (i === HTML_SEQUENCES.length) { return false }

  if (silent) {
    // true if this sequence can be a terminator, false otherwise
    return HTML_SEQUENCES[i][2]
  }

  let nextLine = startLine + 1;

  // If we are here - we detected HTML block.
  // Let's roll down till block end.
  if (!HTML_SEQUENCES[i][1].test(lineText)) {
    for (; nextLine < endLine; nextLine++) {
      if (state.sCount[nextLine] < state.blkIndent) { break }

      pos = state.bMarks[nextLine] + state.tShift[nextLine];
      max = state.eMarks[nextLine];
      lineText = state.src.slice(pos, max);

      if (HTML_SEQUENCES[i][1].test(lineText)) {
        if (lineText.length !== 0) { nextLine++; }
        break
      }
    }
  }

  state.line = nextLine;

  const token   = state.push('html_block', '', 0);
  token.map     = [startLine, nextLine];
  token.content = state.getLines(startLine, nextLine, state.blkIndent, true);

  return true
}

// heading (#, ##, ...)


function heading (state, startLine, endLine, silent) {
  let pos = state.bMarks[startLine] + state.tShift[startLine];
  let max = state.eMarks[startLine];

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  let ch  = state.src.charCodeAt(pos);

  if (ch !== 0x23/* # */ || pos >= max) { return false }

  // count heading level
  let level = 1;
  ch = state.src.charCodeAt(++pos);
  while (ch === 0x23/* # */ && pos < max && level <= 6) {
    level++;
    ch = state.src.charCodeAt(++pos);
  }

  if (level > 6 || (pos < max && !isSpace(ch))) { return false }

  if (silent) { return true }

  // Let's cut tails like '    ###  ' from the end of string

  max = state.skipSpacesBack(max, pos);
  const tmp = state.skipCharsBack(max, 0x23, pos); // #
  if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) {
    max = tmp;
  }

  state.line = startLine + 1;

  const token_o  = state.push('heading_open', 'h' + String(level), 1);
  token_o.markup = '########'.slice(0, level);
  token_o.map    = [startLine, state.line];

  const token_i    = state.push('inline', '', 0);
  token_i.content  = state.src.slice(pos, max).trim();
  token_i.map      = [startLine, state.line];
  token_i.children = [];

  const token_c  = state.push('heading_close', 'h' + String(level), -1);
  token_c.markup = '########'.slice(0, level);

  return true
}

// lheading (---, ===)

function lheading (state, startLine, endLine/*, silent */) {
  const terminatorRules = state.md.block.ruler.getRules('paragraph');

  // if it's indented more than 3 spaces, it should be a code block
  if (state.sCount[startLine] - state.blkIndent >= 4) { return false }

  const oldParentType = state.parentType;
  state.parentType = 'paragraph'; // use paragraph to match terminatorRules

  // jump line-by-line until empty one or EOF
  let level = 0;
  let marker;
  let nextLine = startLine + 1;

  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
    // this would be a code block normally, but after paragraph
    // it's considered a lazy continuation regardless of what's there
    if (state.sCount[nextLine] - state.blkIndent > 3) { continue }

    //
    // Check for underline in setext header
    //
    if (state.sCount[nextLine] >= state.blkIndent) {
      let pos = state.bMarks[nextLine] + state.tShift[nextLine];
      const max = state.eMarks[nextLine];

      if (pos < max) {
        marker = state.src.charCodeAt(pos);

        if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {
          pos = state.skipChars(pos, marker);
          pos = state.skipSpaces(pos);

          if (pos >= max) {
            level = (marker === 0x3D/* = */ ? 1 : 2);
            break
          }
        }
      }
    }

    // quirk for blockquotes, this line should already be checked by that rule
    if (state.sCount[nextLine] < 0) { continue }

    // Some tags can terminate paragraph without empty line.
    let terminate = false;
    for (let i = 0, l = terminatorRules.length; i < l; i++) {
      if (terminatorRules[i](state, nextLine, endLine, true)) {
        terminate = true;
        break
      }
    }
    if (terminate) { break }
  }

  if (!level) {
    // Didn't find valid underline
    return false
  }

  const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();

  state.line = nextLine + 1;

  const token_o    = state.push('heading_open', 'h' + String(level), 1);
  token_o.markup   = String.fromCharCode(marker);
  token_o.map      = [startLine, state.line];

  const token_i    = state.push('inline', '', 0);
  token_i.content  = content;
  token_i.map      = [startLine, state.line - 1];
  token_i.children = [];

  const token_c    = state.push('heading_close', 'h' + String(level), -1);
  token_c.markup   = String.fromCharCode(marker);

  state.parentType = oldParentType;

  return true
}

// Paragraph

function paragraph (state, startLine, endLine) {
  const terminatorRules = state.md.block.ruler.getRules('paragraph');
  const oldParentType = state.parentType;
  let nextLine = startLine + 1;
  state.parentType = 'paragraph';

  // jump line-by-line until empty one or EOF
  for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
    // this would be a code block normally, but after paragraph
    // it's considered a lazy continuation regardless of what's there
    if (state.sCount[nextLine] - state.blkIndent > 3) { continue }

    // quirk for blockquotes, this line should already be checked by that rule
    if (state.sCount[nextLine] < 0) { continue }

    // Some tags can terminate paragraph without empty line.
    let terminate = false;
    for (let i = 0, l = terminatorRules.length; i < l; i++) {
      if (terminatorRules[i](state, nextLine, endLine, true)) {
        terminate = true;
        break
      }
    }
    if (terminate) { break }
  }

  const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();

  state.line = nextLine;

  const token_o    = state.push('paragraph_open', 'p', 1);
  token_o.map      = [startLine, state.line];

  const token_i    = state.push('inline', '', 0);
  token_i.content  = content;
  token_i.map      = [startLine, state.line];
  token_i.children = [];

  state.push('paragraph_close', 'p', -1);

  state.parentType = oldParentType;

  return true
}

/** internal
 * class ParserBlock
 *
 * Block-level tokenizer.
 **/


const _rules$1 = [
  // First 2 params - rule name & source. Secondary array - list of rules,
  // which can be terminated by this one.
  ['table',      table,      ['paragraph', 'reference']],
  ['code',       code],
  ['fence',      fence,      ['paragraph', 'reference', 'blockquote', 'list']],
  ['blockquote', blockquote, ['paragraph', 'reference', 'blockquote', 'list']],
  ['hr',         hr,         ['paragraph', 'reference', 'blockquote', 'list']],
  ['list',       list,       ['paragraph', 'reference', 'blockquote']],
  ['reference',  reference],
  ['html_block', html_block, ['paragraph', 'reference', 'blockquote']],
  ['heading',    heading,    ['paragraph', 'reference', 'blockquote']],
  ['lheading',   lheading],
  ['paragraph',  paragraph]
];

/**
 * new ParserBlock()
 **/
function ParserBlock () {
  /**
   * ParserBlock#ruler -> Ruler
   *
   * [[Ruler]] instance. Keep configuration of block rules.
   **/
  this.ruler = new Ruler();

  for (let i = 0; i < _rules$1.length; i++) {
    this.ruler.push(_rules$1[i][0], _rules$1[i][1], { alt: (_rules$1[i][2] || []).slice() });
  }
}

// Generate tokens for input range
//
ParserBlock.prototype.tokenize = function (state, startLine, endLine) {
  const rules = this.ruler.getRules('');
  const len = rules.length;
  const maxNesting = state.md.options.maxNesting;
  let line = startLine;
  let hasEmptyLines = false;

  while (line < endLine) {
    state.line = line = state.skipEmptyLines(line);
    if (line >= endLine) { break }

    // Termination condition for nested calls.
    // Nested calls currently used for blockquotes & lists
    if (state.sCount[line] < state.blkIndent) { break }

    // If nesting level exceeded - skip tail to the end. That's not ordinary
    // situation and we should not care about content.
    if (state.level >= maxNesting) {
      state.line = endLine;
      break
    }

    // Try all possible rules.
    // On success, rule should:
    //
    // - update `state.line`
    // - update `state.tokens`
    // - return true
    const prevLine = state.line;
    let ok = false;

    for (let i = 0; i < len; i++) {
      ok = rules[i](state, line, endLine, false);
      if (ok) {
        if (prevLine >= state.line) {
          throw new Error("block rule didn't increment state.line")
        }
        break
      }
    }

    // this can only happen if user disables paragraph rule
    if (!ok) throw new Error('none of the block rules matched')

    // set state.tight if we had an empty line before current tag
    // i.e. latest empty line should not count
    state.tight = !hasEmptyLines;

    // paragraph might "eat" one newline after it in nested lists
    if (state.isEmpty(state.line - 1)) {
      hasEmptyLines = true;
    }

    line = state.line;

    if (line < endLine && state.isEmpty(line)) {
      hasEmptyLines = true;
      line++;
      state.line = line;
    }
  }
};

/**
 * ParserBlock.parse(str, md, env, outTokens)
 *
 * Process input string and push block tokens into `outTokens`
 **/
ParserBlock.prototype.parse = function (src, md, env, outTokens) {
  if (!src) { return }

  const state = new this.State(src, md, env, outTokens);

  this.tokenize(state, state.line, state.lineMax);
};

ParserBlock.prototype.State = StateBlock;

// Inline parser state


function StateInline (src, md, env, outTokens) {
  this.src = src;
  this.env = env;
  this.md = md;
  this.tokens = outTokens;
  this.tokens_meta = Array(outTokens.length);

  this.pos = 0;
  this.posMax = this.src.length;
  this.level = 0;
  this.pending = '';
  this.pendingLevel = 0;

  // Stores { start: end } pairs. Useful for backtrack
  // optimization of pairs parse (emphasis, strikes).
  this.cache = {};

  // List of emphasis-like delimiters for current tag
  this.delimiters = [];

  // Stack of delimiter lists for upper level tags
  this._prev_delimiters = [];

  // backtick length => last seen position
  this.backticks = {};
  this.backticksScanned = false;

  // Counter used to disable inline linkify-it execution
  // inside <a> and markdown links
  this.linkLevel = 0;
}

// Flush pending text
//
StateInline.prototype.pushPending = function () {
  const token = new Token('text', '', 0);
  token.content = this.pending;
  token.level = this.pendingLevel;
  this.tokens.push(token);
  this.pending = '';
  return token
};

// Push new token to "stream".
// If pending text exists - flush it as text token
//
StateInline.prototype.push = function (type, tag, nesting) {
  if (this.pending) {
    this.pushPending();
  }

  const token = new Token(type, tag, nesting);
  let token_meta = null;

  if (nesting < 0) {
    // closing tag
    this.level--;
    this.delimiters = this._prev_delimiters.pop();
  }

  token.level = this.level;

  if (nesting > 0) {
    // opening tag
    this.level++;
    this._prev_delimiters.push(this.delimiters);
    this.delimiters = [];
    token_meta = { delimiters: this.delimiters };
  }

  this.pendingLevel = this.level;
  this.tokens.push(token);
  this.tokens_meta.push(token_meta);
  return token
};

// Scan a sequence of emphasis-like markers, and determine whether
// it can start an emphasis sequence or end an emphasis sequence.
//
//  - start - position to scan from (it should point at a valid marker);
//  - canSplitWord - determine if these markers can be found inside a word
//
StateInline.prototype.scanDelims = function (start, canSplitWord) {
  const max = this.posMax;
  const marker = this.src.charCodeAt(start);

  // treat beginning of the line as a whitespace
  const lastChar = start > 0 ? this.src.charCodeAt(start - 1) : 0x20;

  let pos = start;
  while (pos < max && this.src.charCodeAt(pos) === marker) { pos++; }

  const count = pos - start;

  // treat end of the line as a whitespace
  const nextChar = pos < max ? this.src.charCodeAt(pos) : 0x20;

  const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctChar(String.fromCharCode(lastChar));
  const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctChar(String.fromCharCode(nextChar));

  const isLastWhiteSpace = isWhiteSpace(lastChar);
  const isNextWhiteSpace = isWhiteSpace(nextChar);

  const left_flanking =
    !isNextWhiteSpace && (!isNextPunctChar || isLastWhiteSpace || isLastPunctChar);
  const right_flanking =
    !isLastWhiteSpace && (!isLastPunctChar || isNextWhiteSpace || isNextPunctChar);

  const can_open  = left_flanking  && (canSplitWord || !right_flanking || isLastPunctChar);
  const can_close = right_flanking && (canSplitWord || !left_flanking  || isNextPunctChar);

  return { can_open, can_close, length: count }
};

// re-export Token class to use in block rules
StateInline.prototype.Token = Token;

// Skip text characters for text token, place those to pending buffer
// and increment current pos

// Rule to skip pure text
// '{}$%@~+=:' reserved for extentions

// !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @, [, \, ], ^, _, `, {, |, }, or ~

// !!!! Don't confuse with "Markdown ASCII Punctuation" chars
// http://spec.commonmark.org/0.15/#ascii-punctuation-character
function isTerminatorChar (ch) {
  switch (ch) {
    case 0x0A/* \n */:
    case 0x21/* ! */:
    case 0x23/* # */:
    case 0x24/* $ */:
    case 0x25/* % */:
    case 0x26/* & */:
    case 0x2A/* * */:
    case 0x2B/* + */:
    case 0x2D/* - */:
    case 0x3A/* : */:
    case 0x3C/* < */:
    case 0x3D/* = */:
    case 0x3E/* > */:
    case 0x40/* @ */:
    case 0x5B/* [ */:
    case 0x5C/* \ */:
    case 0x5D/* ] */:
    case 0x5E/* ^ */:
    case 0x5F/* _ */:
    case 0x60/* ` */:
    case 0x7B/* { */:
    case 0x7D/* } */:
    case 0x7E/* ~ */:
      return true
    default:
      return false
  }
}

function text$1 (state, silent) {
  let pos = state.pos;

  while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {
    pos++;
  }

  if (pos === state.pos) { return false }

  if (!silent) { state.pending += state.src.slice(state.pos, pos); }

  state.pos = pos;

  return true
}

// Alternative implementation, for memory.
//
// It costs 10% of performance, but allows extend terminators list, if place it
// to `ParserInline` property. Probably, will switch to it sometime, such
// flexibility required.

/*
var TERMINATOR_RE = /[\n!#$%&*+\-:<=>@[\\\]^_`{}~]/;

module.exports = function text(state, silent) {
  var pos = state.pos,
      idx = state.src.slice(pos).search(TERMINATOR_RE);

  // first char is terminator -> empty text
  if (idx === 0) { return false; }

  // no terminator -> text till end of string
  if (idx < 0) {
    if (!silent) { state.pending += state.src.slice(pos); }
    state.pos = state.src.length;
    return true;
  }

  if (!silent) { state.pending += state.src.slice(pos, pos + idx); }

  state.pos += idx;

  return true;
}; */

// Process links like https://example.org/

// RFC3986: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
const SCHEME_RE = /(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$/i;

function linkify (state, silent) {
  if (!state.md.options.linkify) return false
  if (state.linkLevel > 0) return false

  const pos = state.pos;
  const max = state.posMax;

  if (pos + 3 > max) return false
  if (state.src.charCodeAt(pos) !== 0x3A/* : */) return false
  if (state.src.charCodeAt(pos + 1) !== 0x2F/* / */) return false
  if (state.src.charCodeAt(pos + 2) !== 0x2F/* / */) return false

  const match = state.pending.match(SCHEME_RE);
  if (!match) return false

  const proto = match[1];

  const link = state.md.linkify.matchAtStart(state.src.slice(pos - proto.length));
  if (!link) return false

  let url = link.url;

  // invalid link, but still detected by linkify somehow;
  // need to check to prevent infinite loop below
  if (url.length <= proto.length) return false

  // disallow '*' at the end of the link (conflicts with emphasis)
  url = url.replace(/\*+$/, '');

  const fullUrl = state.md.normalizeLink(url);
  if (!state.md.validateLink(fullUrl)) return false

  if (!silent) {
    state.pending = state.pending.slice(0, -proto.length);

    const token_o = state.push('link_open', 'a', 1);
    token_o.attrs = [['href', fullUrl]];
    token_o.markup = 'linkify';
    token_o.info = 'auto';

    const token_t = state.push('text', '', 0);
    token_t.content = state.md.normalizeLinkText(url);

    const token_c = state.push('link_close', 'a', -1);
    token_c.markup = 'linkify';
    token_c.info = 'auto';
  }

  state.pos += url.length - proto.length;
  return true
}

// Proceess '\n'


function newline (state, silent) {
  let pos = state.pos;

  if (state.src.charCodeAt(pos) !== 0x0A/* \n */) { return false }

  const pmax = state.pending.length - 1;
  const max = state.posMax;

  // '  \n' -> hardbreak
  // Lookup in pending chars is bad practice! Don't copy to other rules!
  // Pending string is stored in concat mode, indexed lookups will cause
  // convertion to flat mode.
  if (!silent) {
    if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
      if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
        // Find whitespaces tail of pending chars.
        let ws = pmax - 1;
        while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 0x20) ws--;

        state.pending = state.pending.slice(0, ws);
        state.push('hardbreak', 'br', 0);
      } else {
        state.pending = state.pending.slice(0, -1);
        state.push('softbreak', 'br', 0);
      }
    } else {
      state.push('softbreak', 'br', 0);
    }
  }

  pos++;

  // skip heading spaces for next line
  while (pos < max && isSpace(state.src.charCodeAt(pos))) { pos++; }

  state.pos = pos;
  return true
}

// Process escaped chars and hardbreaks


const ESCAPED = [];

for (let i = 0; i < 256; i++) { ESCAPED.push(0); }

'\\!"#$%&\'()*+,./:;<=>?@[]^_`{|}~-'
  .split('').forEach(function (ch) { ESCAPED[ch.charCodeAt(0)] = 1; });

function escape$3 (state, silent) {
  let pos = state.pos;
  const max = state.posMax;

  if (state.src.charCodeAt(pos) !== 0x5C/* \ */) return false
  pos++;

  // '\' at the end of the inline block
  if (pos >= max) return false

  let ch1 = state.src.charCodeAt(pos);

  if (ch1 === 0x0A) {
    if (!silent) {
      state.push('hardbreak', 'br', 0);
    }

    pos++;
    // skip leading whitespaces from next line
    while (pos < max) {
      ch1 = state.src.charCodeAt(pos);
      if (!isSpace(ch1)) break
      pos++;
    }

    state.pos = pos;
    return true
  }

  let escapedStr = state.src[pos];

  if (ch1 >= 0xD800 && ch1 <= 0xDBFF && pos + 1 < max) {
    const ch2 = state.src.charCodeAt(pos + 1);

    if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) {
      escapedStr += state.src[pos + 1];
      pos++;
    }
  }

  const origStr = '\\' + escapedStr;

  if (!silent) {
    const token = state.push('text_special', '', 0);

    if (ch1 < 256 && ESCAPED[ch1] !== 0) {
      token.content = escapedStr;
    } else {
      token.content = origStr;
    }

    token.markup = origStr;
    token.info   = 'escape';
  }

  state.pos = pos + 1;
  return true
}

// Parse backticks

function backtick (state, silent) {
  let pos = state.pos;
  const ch = state.src.charCodeAt(pos);

  if (ch !== 0x60/* ` */) { return false }

  const start = pos;
  pos++;
  const max = state.posMax;

  // scan marker length
  while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }

  const marker = state.src.slice(start, pos);
  const openerLength = marker.length;

  if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
    if (!silent) state.pending += marker;
    state.pos += openerLength;
    return true
  }

  let matchEnd = pos;
  let matchStart;

  // Nothing found in the cache, scan until the end of the line (or until marker is found)
  while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
    matchEnd = matchStart + 1;

    // scan marker length
    while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }

    const closerLength = matchEnd - matchStart;

    if (closerLength === openerLength) {
      // Found matching closer length.
      if (!silent) {
        const token = state.push('code_inline', 'code', 0);
        token.markup = marker;
        token.content = state.src.slice(pos, matchStart)
          .replace(/\n/g, ' ')
          .replace(/^ (.+) $/, '$1');
      }
      state.pos = matchEnd;
      return true
    }

    // Some different length found, put it in cache as upper limit of where closer can be found
    state.backticks[closerLength] = matchStart;
  }

  // Scanned through the end, didn't find anything
  state.backticksScanned = true;

  if (!silent) state.pending += marker;
  state.pos += openerLength;
  return true
}

// ~~strike through~~
//

// Insert each marker as a separate text token, and add it to delimiter list
//
function strikethrough_tokenize (state, silent) {
  const start = state.pos;
  const marker = state.src.charCodeAt(start);

  if (silent) { return false }

  if (marker !== 0x7E/* ~ */) { return false }

  const scanned = state.scanDelims(state.pos, true);
  let len = scanned.length;
  const ch = String.fromCharCode(marker);

  if (len < 2) { return false }

  let token;

  if (len % 2) {
    token         = state.push('text', '', 0);
    token.content = ch;
    len--;
  }

  for (let i = 0; i < len; i += 2) {
    token         = state.push('text', '', 0);
    token.content = ch + ch;

    state.delimiters.push({
      marker,
      length: 0,     // disable "rule of 3" length checks meant for emphasis
      token: state.tokens.length - 1,
      end: -1,
      open: scanned.can_open,
      close: scanned.can_close
    });
  }

  state.pos += scanned.length;

  return true
}

function postProcess$1 (state, delimiters) {
  let token;
  const loneMarkers = [];
  const max = delimiters.length;

  for (let i = 0; i < max; i++) {
    const startDelim = delimiters[i];

    if (startDelim.marker !== 0x7E/* ~ */) {
      continue
    }

    if (startDelim.end === -1) {
      continue
    }

    const endDelim = delimiters[startDelim.end];

    token         = state.tokens[startDelim.token];
    token.type    = 's_open';
    token.tag     = 's';
    token.nesting = 1;
    token.markup  = '~~';
    token.content = '';

    token         = state.tokens[endDelim.token];
    token.type    = 's_close';
    token.tag     = 's';
    token.nesting = -1;
    token.markup  = '~~';
    token.content = '';

    if (state.tokens[endDelim.token - 1].type === 'text' &&
        state.tokens[endDelim.token - 1].content === '~') {
      loneMarkers.push(endDelim.token - 1);
    }
  }

  // If a marker sequence has an odd number of characters, it's splitted
  // like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the
  // start of the sequence.
  //
  // So, we have to move all those markers after subsequent s_close tags.
  //
  while (loneMarkers.length) {
    const i = loneMarkers.pop();
    let j = i + 1;

    while (j < state.tokens.length && state.tokens[j].type === 's_close') {
      j++;
    }

    j--;

    if (i !== j) {
      token = state.tokens[j];
      state.tokens[j] = state.tokens[i];
      state.tokens[i] = token;
    }
  }
}

// Walk through delimiter list and replace text tokens with tags
//
function strikethrough_postProcess (state) {
  const tokens_meta = state.tokens_meta;
  const max = state.tokens_meta.length;

  postProcess$1(state, state.delimiters);

  for (let curr = 0; curr < max; curr++) {
    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
      postProcess$1(state, tokens_meta[curr].delimiters);
    }
  }
}

var r_strikethrough = {
  tokenize: strikethrough_tokenize,
  postProcess: strikethrough_postProcess
};

// Process *this* and _that_
//

// Insert each marker as a separate text token, and add it to delimiter list
//
function emphasis_tokenize (state, silent) {
  const start = state.pos;
  const marker = state.src.charCodeAt(start);

  if (silent) { return false }

  if (marker !== 0x5F /* _ */ && marker !== 0x2A /* * */) { return false }

  const scanned = state.scanDelims(state.pos, marker === 0x2A);

  for (let i = 0; i < scanned.length; i++) {
    const token = state.push('text', '', 0);
    token.content = String.fromCharCode(marker);

    state.delimiters.push({
      // Char code of the starting marker (number).
      //
      marker,

      // Total length of these series of delimiters.
      //
      length: scanned.length,

      // A position of the token this delimiter corresponds to.
      //
      token: state.tokens.length - 1,

      // If this delimiter is matched as a valid opener, `end` will be
      // equal to its position, otherwise it's `-1`.
      //
      end: -1,

      // Boolean flags that determine if this delimiter could open or close
      // an emphasis.
      //
      open: scanned.can_open,
      close: scanned.can_close
    });
  }

  state.pos += scanned.length;

  return true
}

function postProcess (state, delimiters) {
  const max = delimiters.length;

  for (let i = max - 1; i >= 0; i--) {
    const startDelim = delimiters[i];

    if (startDelim.marker !== 0x5F/* _ */ && startDelim.marker !== 0x2A/* * */) {
      continue
    }

    // Process only opening markers
    if (startDelim.end === -1) {
      continue
    }

    const endDelim = delimiters[startDelim.end];

    // If the previous delimiter has the same marker and is adjacent to this one,
    // merge those into one strong delimiter.
    //
    // `<em><em>whatever</em></em>` -> `<strong>whatever</strong>`
    //
    const isStrong = i > 0 &&
               delimiters[i - 1].end === startDelim.end + 1 &&
               // check that first two markers match and adjacent
               delimiters[i - 1].marker === startDelim.marker &&
               delimiters[i - 1].token === startDelim.token - 1 &&
               // check that last two markers are adjacent (we can safely assume they match)
               delimiters[startDelim.end + 1].token === endDelim.token + 1;

    const ch = String.fromCharCode(startDelim.marker);

    const token_o   = state.tokens[startDelim.token];
    token_o.type    = isStrong ? 'strong_open' : 'em_open';
    token_o.tag     = isStrong ? 'strong' : 'em';
    token_o.nesting = 1;
    token_o.markup  = isStrong ? ch + ch : ch;
    token_o.content = '';

    const token_c   = state.tokens[endDelim.token];
    token_c.type    = isStrong ? 'strong_close' : 'em_close';
    token_c.tag     = isStrong ? 'strong' : 'em';
    token_c.nesting = -1;
    token_c.markup  = isStrong ? ch + ch : ch;
    token_c.content = '';

    if (isStrong) {
      state.tokens[delimiters[i - 1].token].content = '';
      state.tokens[delimiters[startDelim.end + 1].token].content = '';
      i--;
    }
  }
}

// Walk through delimiter list and replace text tokens with tags
//
function emphasis_post_process (state) {
  const tokens_meta = state.tokens_meta;
  const max = state.tokens_meta.length;

  postProcess(state, state.delimiters);

  for (let curr = 0; curr < max; curr++) {
    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
      postProcess(state, tokens_meta[curr].delimiters);
    }
  }
}

var r_emphasis = {
  tokenize: emphasis_tokenize,
  postProcess: emphasis_post_process
};

// Process [link](<to> "stuff")


function link (state, silent) {
  let code, label, res, ref;
  let href = '';
  let title = '';
  let start = state.pos;
  let parseReference = true;

  if (state.src.charCodeAt(state.pos) !== 0x5B/* [ */) { return false }

  const oldPos = state.pos;
  const max = state.posMax;
  const labelStart = state.pos + 1;
  const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);

  // parser failed to find ']', so it's not a valid link
  if (labelEnd < 0) { return false }

  let pos = labelEnd + 1;
  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {
    //
    // Inline link
    //

    // might have found a valid shortcut link, disable reference parsing
    parseReference = false;

    // [link](  <href>  "title"  )
    //        ^^ skipping these spaces
    pos++;
    for (; pos < max; pos++) {
      code = state.src.charCodeAt(pos);
      if (!isSpace(code) && code !== 0x0A) { break }
    }
    if (pos >= max) { return false }

    // [link](  <href>  "title"  )
    //          ^^^^^^ parsing link destination
    start = pos;
    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
    if (res.ok) {
      href = state.md.normalizeLink(res.str);
      if (state.md.validateLink(href)) {
        pos = res.pos;
      } else {
        href = '';
      }

      // [link](  <href>  "title"  )
      //                ^^ skipping these spaces
      start = pos;
      for (; pos < max; pos++) {
        code = state.src.charCodeAt(pos);
        if (!isSpace(code) && code !== 0x0A) { break }
      }

      // [link](  <href>  "title"  )
      //                  ^^^^^^^ parsing link title
      res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
      if (pos < max && start !== pos && res.ok) {
        title = res.str;
        pos = res.pos;

        // [link](  <href>  "title"  )
        //                         ^^ skipping these spaces
        for (; pos < max; pos++) {
          code = state.src.charCodeAt(pos);
          if (!isSpace(code) && code !== 0x0A) { break }
        }
      }
    }

    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {
      // parsing a valid shortcut link failed, fallback to reference
      parseReference = true;
    }
    pos++;
  }

  if (parseReference) {
    //
    // Link reference
    //
    if (typeof state.env.references === 'undefined') { return false }

    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {
      start = pos + 1;
      pos = state.md.helpers.parseLinkLabel(state, pos);
      if (pos >= 0) {
        label = state.src.slice(start, pos++);
      } else {
        pos = labelEnd + 1;
      }
    } else {
      pos = labelEnd + 1;
    }

    // covers label === '' and label === undefined
    // (collapsed reference link and shortcut reference link respectively)
    if (!label) { label = state.src.slice(labelStart, labelEnd); }

    ref = state.env.references[normalizeReference(label)];
    if (!ref) {
      state.pos = oldPos;
      return false
    }
    href = ref.href;
    title = ref.title;
  }

  //
  // We found the end of the link, and know for a fact it's a valid link;
  // so all that's left to do is to call tokenizer.
  //
  if (!silent) {
    state.pos = labelStart;
    state.posMax = labelEnd;

    const token_o = state.push('link_open', 'a', 1);
    const attrs = [['href', href]];
    token_o.attrs  = attrs;
    if (title) {
      attrs.push(['title', title]);
    }

    state.linkLevel++;
    state.md.inline.tokenize(state);
    state.linkLevel--;

    state.push('link_close', 'a', -1);
  }

  state.pos = pos;
  state.posMax = max;
  return true
}

// Process ![image](<src> "title")


function image (state, silent) {
  let code, content, label, pos, ref, res, title, start;
  let href = '';
  const oldPos = state.pos;
  const max = state.posMax;

  if (state.src.charCodeAt(state.pos) !== 0x21/* ! */) { return false }
  if (state.src.charCodeAt(state.pos + 1) !== 0x5B/* [ */) { return false }

  const labelStart = state.pos + 2;
  const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);

  // parser failed to find ']', so it's not a valid link
  if (labelEnd < 0) { return false }

  pos = labelEnd + 1;
  if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {
    //
    // Inline link
    //

    // [link](  <href>  "title"  )
    //        ^^ skipping these spaces
    pos++;
    for (; pos < max; pos++) {
      code = state.src.charCodeAt(pos);
      if (!isSpace(code) && code !== 0x0A) { break }
    }
    if (pos >= max) { return false }

    // [link](  <href>  "title"  )
    //          ^^^^^^ parsing link destination
    start = pos;
    res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
    if (res.ok) {
      href = state.md.normalizeLink(res.str);
      if (state.md.validateLink(href)) {
        pos = res.pos;
      } else {
        href = '';
      }
    }

    // [link](  <href>  "title"  )
    //                ^^ skipping these spaces
    start = pos;
    for (; pos < max; pos++) {
      code = state.src.charCodeAt(pos);
      if (!isSpace(code) && code !== 0x0A) { break }
    }

    // [link](  <href>  "title"  )
    //                  ^^^^^^^ parsing link title
    res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
    if (pos < max && start !== pos && res.ok) {
      title = res.str;
      pos = res.pos;

      // [link](  <href>  "title"  )
      //                         ^^ skipping these spaces
      for (; pos < max; pos++) {
        code = state.src.charCodeAt(pos);
        if (!isSpace(code) && code !== 0x0A) { break }
      }
    } else {
      title = '';
    }

    if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {
      state.pos = oldPos;
      return false
    }
    pos++;
  } else {
    //
    // Link reference
    //
    if (typeof state.env.references === 'undefined') { return false }

    if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {
      start = pos + 1;
      pos = state.md.helpers.parseLinkLabel(state, pos);
      if (pos >= 0) {
        label = state.src.slice(start, pos++);
      } else {
        pos = labelEnd + 1;
      }
    } else {
      pos = labelEnd + 1;
    }

    // covers label === '' and label === undefined
    // (collapsed reference link and shortcut reference link respectively)
    if (!label) { label = state.src.slice(labelStart, labelEnd); }

    ref = state.env.references[normalizeReference(label)];
    if (!ref) {
      state.pos = oldPos;
      return false
    }
    href = ref.href;
    title = ref.title;
  }

  //
  // We found the end of the link, and know for a fact it's a valid link;
  // so all that's left to do is to call tokenizer.
  //
  if (!silent) {
    content = state.src.slice(labelStart, labelEnd);

    const tokens = [];
    state.md.inline.parse(
      content,
      state.md,
      state.env,
      tokens
    );

    const token = state.push('image', 'img', 0);
    const attrs = [['src', href], ['alt', '']];
    token.attrs = attrs;
    token.children = tokens;
    token.content = content;

    if (title) {
      attrs.push(['title', title]);
    }
  }

  state.pos = pos;
  state.posMax = max;
  return true
}

// Process autolinks '<protocol:...>'

/* eslint max-len:0 */
const EMAIL_RE    = /^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;
/* eslint-disable-next-line no-control-regex */
const AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.-]{1,31}):([^<>\x00-\x20]*)$/;

function autolink (state, silent) {
  let pos = state.pos;

  if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false }

  const start = state.pos;
  const max = state.posMax;

  for (;;) {
    if (++pos >= max) return false

    const ch = state.src.charCodeAt(pos);

    if (ch === 0x3C /* < */) return false
    if (ch === 0x3E /* > */) break
  }

  const url = state.src.slice(start + 1, pos);

  if (AUTOLINK_RE.test(url)) {
    const fullUrl = state.md.normalizeLink(url);
    if (!state.md.validateLink(fullUrl)) { return false }

    if (!silent) {
      const token_o   = state.push('link_open', 'a', 1);
      token_o.attrs   = [['href', fullUrl]];
      token_o.markup  = 'autolink';
      token_o.info    = 'auto';

      const token_t   = state.push('text', '', 0);
      token_t.content = state.md.normalizeLinkText(url);

      const token_c   = state.push('link_close', 'a', -1);
      token_c.markup  = 'autolink';
      token_c.info    = 'auto';
    }

    state.pos += url.length + 2;
    return true
  }

  if (EMAIL_RE.test(url)) {
    const fullUrl = state.md.normalizeLink('mailto:' + url);
    if (!state.md.validateLink(fullUrl)) { return false }

    if (!silent) {
      const token_o   = state.push('link_open', 'a', 1);
      token_o.attrs   = [['href', fullUrl]];
      token_o.markup  = 'autolink';
      token_o.info    = 'auto';

      const token_t   = state.push('text', '', 0);
      token_t.content = state.md.normalizeLinkText(url);

      const token_c   = state.push('link_close', 'a', -1);
      token_c.markup  = 'autolink';
      token_c.info    = 'auto';
    }

    state.pos += url.length + 2;
    return true
  }

  return false
}

// Process html tags


function isLinkOpen (str) {
  return /^<a[>\s]/i.test(str)
}
function isLinkClose (str) {
  return /^<\/a\s*>/i.test(str)
}

function isLetter (ch) {
  /* eslint no-bitwise:0 */
  const lc = ch | 0x20; // to lower case
  return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */)
}

function html_inline (state, silent) {
  if (!state.md.options.html) { return false }

  // Check start
  const max = state.posMax;
  const pos = state.pos;
  if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||
      pos + 2 >= max) {
    return false
  }

  // Quick fail on second char
  const ch = state.src.charCodeAt(pos + 1);
  if (ch !== 0x21/* ! */ &&
      ch !== 0x3F/* ? */ &&
      ch !== 0x2F/* / */ &&
      !isLetter(ch)) {
    return false
  }

  const match = state.src.slice(pos).match(HTML_TAG_RE);
  if (!match) { return false }

  if (!silent) {
    const token = state.push('html_inline', '', 0);
    token.content = match[0];

    if (isLinkOpen(token.content))  state.linkLevel++;
    if (isLinkClose(token.content)) state.linkLevel--;
  }
  state.pos += match[0].length;
  return true
}

// Process html entity - &#123;, &#xAF;, &quot;, ...


const DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;
const NAMED_RE   = /^&([a-z][a-z0-9]{1,31});/i;

function entity (state, silent) {
  const pos = state.pos;
  const max = state.posMax;

  if (state.src.charCodeAt(pos) !== 0x26/* & */) return false

  if (pos + 1 >= max) return false

  const ch = state.src.charCodeAt(pos + 1);

  if (ch === 0x23 /* # */) {
    const match = state.src.slice(pos).match(DIGITAL_RE);
    if (match) {
      if (!silent) {
        const code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);

        const token   = state.push('text_special', '', 0);
        token.content = isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD);
        token.markup  = match[0];
        token.info    = 'entity';
      }
      state.pos += match[0].length;
      return true
    }
  } else {
    const match = state.src.slice(pos).match(NAMED_RE);
    if (match) {
      const decoded = decodeHTML(match[0]);
      if (decoded !== match[0]) {
        if (!silent) {
          const token   = state.push('text_special', '', 0);
          token.content = decoded;
          token.markup  = match[0];
          token.info    = 'entity';
        }
        state.pos += match[0].length;
        return true
      }
    }
  }

  return false
}

// For each opening emphasis-like marker find a matching closing one
//

function processDelimiters (delimiters) {
  const openersBottom = {};
  const max = delimiters.length;

  if (!max) return

  // headerIdx is the first delimiter of the current (where closer is) delimiter run
  let headerIdx = 0;
  let lastTokenIdx = -2; // needs any value lower than -1
  const jumps = [];

  for (let closerIdx = 0; closerIdx < max; closerIdx++) {
    const closer = delimiters[closerIdx];

    jumps.push(0);

    // markers belong to same delimiter run if:
    //  - they have adjacent tokens
    //  - AND markers are the same
    //
    if (delimiters[headerIdx].marker !== closer.marker || lastTokenIdx !== closer.token - 1) {
      headerIdx = closerIdx;
    }

    lastTokenIdx = closer.token;

    // Length is only used for emphasis-specific "rule of 3",
    // if it's not defined (in strikethrough or 3rd party plugins),
    // we can default it to 0 to disable those checks.
    //
    closer.length = closer.length || 0;

    if (!closer.close) continue

    // Previously calculated lower bounds (previous fails)
    // for each marker, each delimiter length modulo 3,
    // and for whether this closer can be an opener;
    // https://github.com/commonmark/cmark/commit/34250e12ccebdc6372b8b49c44fab57c72443460
    /* eslint-disable-next-line no-prototype-builtins */
    if (!openersBottom.hasOwnProperty(closer.marker)) {
      openersBottom[closer.marker] = [-1, -1, -1, -1, -1, -1];
    }

    const minOpenerIdx = openersBottom[closer.marker][(closer.open ? 3 : 0) + (closer.length % 3)];

    let openerIdx = headerIdx - jumps[headerIdx] - 1;

    let newMinOpenerIdx = openerIdx;

    for (; openerIdx > minOpenerIdx; openerIdx -= jumps[openerIdx] + 1) {
      const opener = delimiters[openerIdx];

      if (opener.marker !== closer.marker) continue

      if (opener.open && opener.end < 0) {
        let isOddMatch = false;

        // from spec:
        //
        // If one of the delimiters can both open and close emphasis, then the
        // sum of the lengths of the delimiter runs containing the opening and
        // closing delimiters must not be a multiple of 3 unless both lengths
        // are multiples of 3.
        //
        if (opener.close || closer.open) {
          if ((opener.length + closer.length) % 3 === 0) {
            if (opener.length % 3 !== 0 || closer.length % 3 !== 0) {
              isOddMatch = true;
            }
          }
        }

        if (!isOddMatch) {
          // If previous delimiter cannot be an opener, we can safely skip
          // the entire sequence in future checks. This is required to make
          // sure algorithm has linear complexity (see *_*_*_*_*_... case).
          //
          const lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open
            ? jumps[openerIdx - 1] + 1
            : 0;

          jumps[closerIdx] = closerIdx - openerIdx + lastJump;
          jumps[openerIdx] = lastJump;

          closer.open  = false;
          opener.end   = closerIdx;
          opener.close = false;
          newMinOpenerIdx = -1;
          // treat next token as start of run,
          // it optimizes skips in **<...>**a**<...>** pathological case
          lastTokenIdx = -2;
          break
        }
      }
    }

    if (newMinOpenerIdx !== -1) {
      // If match for this delimiter run failed, we want to set lower bound for
      // future lookups. This is required to make sure algorithm has linear
      // complexity.
      //
      // See details here:
      // https://github.com/commonmark/cmark/issues/178#issuecomment-270417442
      //
      openersBottom[closer.marker][(closer.open ? 3 : 0) + ((closer.length || 0) % 3)] = newMinOpenerIdx;
    }
  }
}

function link_pairs (state) {
  const tokens_meta = state.tokens_meta;
  const max = state.tokens_meta.length;

  processDelimiters(state.delimiters);

  for (let curr = 0; curr < max; curr++) {
    if (tokens_meta[curr] && tokens_meta[curr].delimiters) {
      processDelimiters(tokens_meta[curr].delimiters);
    }
  }
}

// Clean up tokens after emphasis and strikethrough postprocessing:
// merge adjacent text nodes into one and re-calculate all token levels
//
// This is necessary because initially emphasis delimiter markers (*, _, ~)
// are treated as their own separate text tokens. Then emphasis rule either
// leaves them as text (needed to merge with adjacent text) or turns them
// into opening/closing tags (which messes up levels inside).
//

function fragments_join (state) {
  let curr, last;
  let level = 0;
  const tokens = state.tokens;
  const max = state.tokens.length;

  for (curr = last = 0; curr < max; curr++) {
    // re-calculate levels after emphasis/strikethrough turns some text nodes
    // into opening/closing tags
    if (tokens[curr].nesting < 0) level--; // closing tag
    tokens[curr].level = level;
    if (tokens[curr].nesting > 0) level++; // opening tag

    if (tokens[curr].type === 'text' &&
        curr + 1 < max &&
        tokens[curr + 1].type === 'text') {
      // collapse two adjacent text nodes
      tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
    } else {
      if (curr !== last) { tokens[last] = tokens[curr]; }

      last++;
    }
  }

  if (curr !== last) {
    tokens.length = last;
  }
}

/** internal
 * class ParserInline
 *
 * Tokenizes paragraph content.
 **/


// Parser rules

const _rules = [
  ['text',            text$1],
  ['linkify',         linkify],
  ['newline',         newline],
  ['escape',          escape$3],
  ['backticks',       backtick],
  ['strikethrough',   r_strikethrough.tokenize],
  ['emphasis',        r_emphasis.tokenize],
  ['link',            link],
  ['image',           image],
  ['autolink',        autolink],
  ['html_inline',     html_inline],
  ['entity',          entity]
];

// `rule2` ruleset was created specifically for emphasis/strikethrough
// post-processing and may be changed in the future.
//
// Don't use this for anything except pairs (plugins working with `balance_pairs`).
//
const _rules2 = [
  ['balance_pairs',   link_pairs],
  ['strikethrough',   r_strikethrough.postProcess],
  ['emphasis',        r_emphasis.postProcess],
  // rules for pairs separate '**' into its own text tokens, which may be left unused,
  // rule below merges unused segments back with the rest of the text
  ['fragments_join',  fragments_join]
];

/**
 * new ParserInline()
 **/
function ParserInline () {
  /**
   * ParserInline#ruler -> Ruler
   *
   * [[Ruler]] instance. Keep configuration of inline rules.
   **/
  this.ruler = new Ruler();

  for (let i = 0; i < _rules.length; i++) {
    this.ruler.push(_rules[i][0], _rules[i][1]);
  }

  /**
   * ParserInline#ruler2 -> Ruler
   *
   * [[Ruler]] instance. Second ruler used for post-processing
   * (e.g. in emphasis-like rules).
   **/
  this.ruler2 = new Ruler();

  for (let i = 0; i < _rules2.length; i++) {
    this.ruler2.push(_rules2[i][0], _rules2[i][1]);
  }
}

// Skip single token by running all rules in validation mode;
// returns `true` if any rule reported success
//
ParserInline.prototype.skipToken = function (state) {
  const pos = state.pos;
  const rules = this.ruler.getRules('');
  const len = rules.length;
  const maxNesting = state.md.options.maxNesting;
  const cache = state.cache;

  if (typeof cache[pos] !== 'undefined') {
    state.pos = cache[pos];
    return
  }

  let ok = false;

  if (state.level < maxNesting) {
    for (let i = 0; i < len; i++) {
      // Increment state.level and decrement it later to limit recursion.
      // It's harmless to do here, because no tokens are created. But ideally,
      // we'd need a separate private state variable for this purpose.
      //
      state.level++;
      ok = rules[i](state, true);
      state.level--;

      if (ok) {
        if (pos >= state.pos) { throw new Error("inline rule didn't increment state.pos") }
        break
      }
    }
  } else {
    // Too much nesting, just skip until the end of the paragraph.
    //
    // NOTE: this will cause links to behave incorrectly in the following case,
    //       when an amount of `[` is exactly equal to `maxNesting + 1`:
    //
    //       [[[[[[[[[[[[[[[[[[[[[foo]()
    //
    // TODO: remove this workaround when CM standard will allow nested links
    //       (we can replace it by preventing links from being parsed in
    //       validation mode)
    //
    state.pos = state.posMax;
  }

  if (!ok) { state.pos++; }
  cache[pos] = state.pos;
};

// Generate tokens for input range
//
ParserInline.prototype.tokenize = function (state) {
  const rules = this.ruler.getRules('');
  const len = rules.length;
  const end = state.posMax;
  const maxNesting = state.md.options.maxNesting;

  while (state.pos < end) {
    // Try all possible rules.
    // On success, rule should:
    //
    // - update `state.pos`
    // - update `state.tokens`
    // - return true
    const prevPos = state.pos;
    let ok = false;

    if (state.level < maxNesting) {
      for (let i = 0; i < len; i++) {
        ok = rules[i](state, false);
        if (ok) {
          if (prevPos >= state.pos) { throw new Error("inline rule didn't increment state.pos") }
          break
        }
      }
    }

    if (ok) {
      if (state.pos >= end) { break }
      continue
    }

    state.pending += state.src[state.pos++];
  }

  if (state.pending) {
    state.pushPending();
  }
};

/**
 * ParserInline.parse(str, md, env, outTokens)
 *
 * Process input string and push inline tokens into `outTokens`
 **/
ParserInline.prototype.parse = function (str, md, env, outTokens) {
  const state = new this.State(str, md, env, outTokens);

  this.tokenize(state);

  const rules = this.ruler2.getRules('');
  const len = rules.length;

  for (let i = 0; i < len; i++) {
    rules[i](state);
  }
};

ParserInline.prototype.State = StateInline;

function reFactory (opts) {
  const re = {};
  opts = opts || {};

  re.src_Any = Any.source;
  re.src_Cc = Cc.source;
  re.src_Z = Z$1.source;
  re.src_P = P$1.source;

  // \p{\Z\P\Cc\CF} (white spaces + control + format + punctuation)
  re.src_ZPCc = [re.src_Z, re.src_P, re.src_Cc].join('|');

  // \p{\Z\Cc} (white spaces + control)
  re.src_ZCc = [re.src_Z, re.src_Cc].join('|');

  // Experimental. List of chars, completely prohibited in links
  // because can separate it from other part of text
  const text_separators = '[><\uff5c]';

  // All possible word characters (everything without punctuation, spaces & controls)
  // Defined via punctuation & spaces to save space
  // Should be something like \p{\L\N\S\M} (\w but without `_`)
  re.src_pseudo_letter = '(?:(?!' + text_separators + '|' + re.src_ZPCc + ')' + re.src_Any + ')';
  // The same as abothe but without [0-9]
  // var src_pseudo_letter_non_d = '(?:(?![0-9]|' + src_ZPCc + ')' + src_Any + ')';

  re.src_ip4 =

    '(?:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)';

  // Prohibit any of "@/[]()" in user/pass to avoid wrong domain fetch.
  re.src_auth = '(?:(?:(?!' + re.src_ZCc + '|[@/\\[\\]()]).)+@)?';

  re.src_port =

    '(?::(?:6(?:[0-4]\\d{3}|5(?:[0-4]\\d{2}|5(?:[0-2]\\d|3[0-5])))|[1-5]?\\d{1,4}))?';

  re.src_host_terminator =

    '(?=$|' + text_separators + '|' + re.src_ZPCc + ')' +
    '(?!' + (opts['---'] ? '-(?!--)|' : '-|') + '_|:\\d|\\.-|\\.(?!$|' + re.src_ZPCc + '))';

  re.src_path =

    '(?:' +
      '[/?#]' +
        '(?:' +
          '(?!' + re.src_ZCc + '|' + text_separators + '|[()[\\]{}.,"\'?!\\-;]).|' +
          '\\[(?:(?!' + re.src_ZCc + '|\\]).)*\\]|' +
          '\\((?:(?!' + re.src_ZCc + '|[)]).)*\\)|' +
          '\\{(?:(?!' + re.src_ZCc + '|[}]).)*\\}|' +
          '\\"(?:(?!' + re.src_ZCc + '|["]).)+\\"|' +
          "\\'(?:(?!" + re.src_ZCc + "|[']).)+\\'|" +

          // allow `I'm_king` if no pair found
          "\\'(?=" + re.src_pseudo_letter + '|[-])|' +

          // google has many dots in "google search" links (#66, #81).
          // github has ... in commit range links,
          // Restrict to
          // - english
          // - percent-encoded
          // - parts of file path
          // - params separator
          // until more examples found.
          '\\.{2,}[a-zA-Z0-9%/&]|' +

          '\\.(?!' + re.src_ZCc + '|[.]|$)|' +
          (opts['---']
            ? '\\-(?!--(?:[^-]|$))(?:-*)|' // `---` => long dash, terminate
            : '\\-+|'
          ) +
          // allow `,,,` in paths
          ',(?!' + re.src_ZCc + '|$)|' +

          // allow `;` if not followed by space-like char
          ';(?!' + re.src_ZCc + '|$)|' +

          // allow `!!!` in paths, but not at the end
          '\\!+(?!' + re.src_ZCc + '|[!]|$)|' +

          '\\?(?!' + re.src_ZCc + '|[?]|$)' +
        ')+' +
      '|\\/' +
    ')?';

  // Allow anything in markdown spec, forbid quote (") at the first position
  // because emails enclosed in quotes are far more common
  re.src_email_name =

    '[\\-;:&=\\+\\$,\\.a-zA-Z0-9_][\\-;:&=\\+\\$,\\"\\.a-zA-Z0-9_]*';

  re.src_xn =

    'xn--[a-z0-9\\-]{1,59}';

  // More to read about domain names
  // http://serverfault.com/questions/638260/

  re.src_domain_root =

    // Allow letters & digits (http://test1)
    '(?:' +
      re.src_xn +
      '|' +
      re.src_pseudo_letter + '{1,63}' +
    ')';

  re.src_domain =

    '(?:' +
      re.src_xn +
      '|' +
      '(?:' + re.src_pseudo_letter + ')' +
      '|' +
      '(?:' + re.src_pseudo_letter + '(?:-|' + re.src_pseudo_letter + '){0,61}' + re.src_pseudo_letter + ')' +
    ')';

  re.src_host =

    '(?:' +
    // Don't need IP check, because digits are already allowed in normal domain names
    //   src_ip4 +
    // '|' +
      '(?:(?:(?:' + re.src_domain + ')\\.)*' + re.src_domain/* _root */ + ')' +
    ')';

  re.tpl_host_fuzzy =

    '(?:' +
      re.src_ip4 +
    '|' +
      '(?:(?:(?:' + re.src_domain + ')\\.)+(?:%TLDS%))' +
    ')';

  re.tpl_host_no_ip_fuzzy =

    '(?:(?:(?:' + re.src_domain + ')\\.)+(?:%TLDS%))';

  re.src_host_strict =

    re.src_host + re.src_host_terminator;

  re.tpl_host_fuzzy_strict =

    re.tpl_host_fuzzy + re.src_host_terminator;

  re.src_host_port_strict =

    re.src_host + re.src_port + re.src_host_terminator;

  re.tpl_host_port_fuzzy_strict =

    re.tpl_host_fuzzy + re.src_port + re.src_host_terminator;

  re.tpl_host_port_no_ip_fuzzy_strict =

    re.tpl_host_no_ip_fuzzy + re.src_port + re.src_host_terminator;

  //
  // Main rules
  //

  // Rude test fuzzy links by host, for quick deny
  re.tpl_host_fuzzy_test =

    'localhost|www\\.|\\.\\d{1,3}\\.|(?:\\.(?:%TLDS%)(?:' + re.src_ZPCc + '|>|$))';

  re.tpl_email_fuzzy =

      '(^|' + text_separators + '|"|\\(|' + re.src_ZCc + ')' +
      '(' + re.src_email_name + '@' + re.tpl_host_fuzzy_strict + ')';

  re.tpl_link_fuzzy =
      // Fuzzy link can't be prepended with .:/\- and non punctuation.
      // but can start with > (markdown blockquote)
      '(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|' + re.src_ZPCc + '))' +
      '((?![$+<=>^`|\uff5c])' + re.tpl_host_port_fuzzy_strict + re.src_path + ')';

  re.tpl_link_no_ip_fuzzy =
      // Fuzzy link can't be prepended with .:/\- and non punctuation.
      // but can start with > (markdown blockquote)
      '(^|(?![.:/\\-_@])(?:[$+<=>^`|\uff5c]|' + re.src_ZPCc + '))' +
      '((?![$+<=>^`|\uff5c])' + re.tpl_host_port_no_ip_fuzzy_strict + re.src_path + ')';

  return re
}

//
// Helpers
//

// Merge objects
//
function assign (obj /* from1, from2, from3, ... */) {
  const sources = Array.prototype.slice.call(arguments, 1);

  sources.forEach(function (source) {
    if (!source) { return }

    Object.keys(source).forEach(function (key) {
      obj[key] = source[key];
    });
  });

  return obj
}

function _class (obj) { return Object.prototype.toString.call(obj) }
function isString (obj) { return _class(obj) === '[object String]' }
function isObject (obj) { return _class(obj) === '[object Object]' }
function isRegExp (obj) { return _class(obj) === '[object RegExp]' }
function isFunction (obj) { return _class(obj) === '[object Function]' }

function escapeRE (str) { return str.replace(/[.?*+^$[\]\\(){}|-]/g, '\\$&') }

//

const defaultOptions$1 = {
  fuzzyLink: true,
  fuzzyEmail: true,
  fuzzyIP: false
};

function isOptionsObj (obj) {
  return Object.keys(obj || {}).reduce(function (acc, k) {
    /* eslint-disable-next-line no-prototype-builtins */
    return acc || defaultOptions$1.hasOwnProperty(k)
  }, false)
}

const defaultSchemas = {
  'http:': {
    validate: function (text, pos, self) {
      const tail = text.slice(pos);

      if (!self.re.http) {
        // compile lazily, because "host"-containing variables can change on tlds update.
        self.re.http = new RegExp(
          '^\\/\\/' + self.re.src_auth + self.re.src_host_port_strict + self.re.src_path, 'i'
        );
      }
      if (self.re.http.test(tail)) {
        return tail.match(self.re.http)[0].length
      }
      return 0
    }
  },
  'https:': 'http:',
  'ftp:': 'http:',
  '//': {
    validate: function (text, pos, self) {
      const tail = text.slice(pos);

      if (!self.re.no_http) {
      // compile lazily, because "host"-containing variables can change on tlds update.
        self.re.no_http = new RegExp(
          '^' +
          self.re.src_auth +
          // Don't allow single-level domains, because of false positives like '//test'
          // with code comments
          '(?:localhost|(?:(?:' + self.re.src_domain + ')\\.)+' + self.re.src_domain_root + ')' +
          self.re.src_port +
          self.re.src_host_terminator +
          self.re.src_path,

          'i'
        );
      }

      if (self.re.no_http.test(tail)) {
        // should not be `://` & `///`, that protects from errors in protocol name
        if (pos >= 3 && text[pos - 3] === ':') { return 0 }
        if (pos >= 3 && text[pos - 3] === '/') { return 0 }
        return tail.match(self.re.no_http)[0].length
      }
      return 0
    }
  },
  'mailto:': {
    validate: function (text, pos, self) {
      const tail = text.slice(pos);

      if (!self.re.mailto) {
        self.re.mailto = new RegExp(
          '^' + self.re.src_email_name + '@' + self.re.src_host_strict, 'i'
        );
      }
      if (self.re.mailto.test(tail)) {
        return tail.match(self.re.mailto)[0].length
      }
      return 0
    }
  }
};

// RE pattern for 2-character tlds (autogenerated by ./support/tlds_2char_gen.js)
/* eslint-disable-next-line max-len */
const tlds_2ch_src_re = 'a[cdefgilmnoqrstuwxz]|b[abdefghijmnorstvwyz]|c[acdfghiklmnoruvwxyz]|d[ejkmoz]|e[cegrstu]|f[ijkmor]|g[abdefghilmnpqrstuwy]|h[kmnrtu]|i[delmnoqrst]|j[emop]|k[eghimnprwyz]|l[abcikrstuvy]|m[acdeghklmnopqrstuvwxyz]|n[acefgilopruz]|om|p[aefghklmnrstwy]|qa|r[eosuw]|s[abcdeghijklmnortuvxyz]|t[cdfghjklmnortvwz]|u[agksyz]|v[aceginu]|w[fs]|y[et]|z[amw]';

// DON'T try to make PRs with changes. Extend TLDs with LinkifyIt.tlds() instead
const tlds_default = 'biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф'.split('|');

function resetScanCache (self) {
  self.__index__ = -1;
  self.__text_cache__ = '';
}

function createValidator (re) {
  return function (text, pos) {
    const tail = text.slice(pos);

    if (re.test(tail)) {
      return tail.match(re)[0].length
    }
    return 0
  }
}

function createNormalizer () {
  return function (match, self) {
    self.normalize(match);
  }
}

// Schemas compiler. Build regexps.
//
function compile (self) {
  // Load & clone RE patterns.
  const re = self.re = reFactory(self.__opts__);

  // Define dynamic patterns
  const tlds = self.__tlds__.slice();

  self.onCompile();

  if (!self.__tlds_replaced__) {
    tlds.push(tlds_2ch_src_re);
  }
  tlds.push(re.src_xn);

  re.src_tlds = tlds.join('|');

  function untpl (tpl) { return tpl.replace('%TLDS%', re.src_tlds) }

  re.email_fuzzy = RegExp(untpl(re.tpl_email_fuzzy), 'i');
  re.link_fuzzy = RegExp(untpl(re.tpl_link_fuzzy), 'i');
  re.link_no_ip_fuzzy = RegExp(untpl(re.tpl_link_no_ip_fuzzy), 'i');
  re.host_fuzzy_test = RegExp(untpl(re.tpl_host_fuzzy_test), 'i');

  //
  // Compile each schema
  //

  const aliases = [];

  self.__compiled__ = {}; // Reset compiled data

  function schemaError (name, val) {
    throw new Error('(LinkifyIt) Invalid schema "' + name + '": ' + val)
  }

  Object.keys(self.__schemas__).forEach(function (name) {
    const val = self.__schemas__[name];

    // skip disabled methods
    if (val === null) { return }

    const compiled = { validate: null, link: null };

    self.__compiled__[name] = compiled;

    if (isObject(val)) {
      if (isRegExp(val.validate)) {
        compiled.validate = createValidator(val.validate);
      } else if (isFunction(val.validate)) {
        compiled.validate = val.validate;
      } else {
        schemaError(name, val);
      }

      if (isFunction(val.normalize)) {
        compiled.normalize = val.normalize;
      } else if (!val.normalize) {
        compiled.normalize = createNormalizer();
      } else {
        schemaError(name, val);
      }

      return
    }

    if (isString(val)) {
      aliases.push(name);
      return
    }

    schemaError(name, val);
  });

  //
  // Compile postponed aliases
  //

  aliases.forEach(function (alias) {
    if (!self.__compiled__[self.__schemas__[alias]]) {
      // Silently fail on missed schemas to avoid errons on disable.
      // schemaError(alias, self.__schemas__[alias]);
      return
    }

    self.__compiled__[alias].validate =
      self.__compiled__[self.__schemas__[alias]].validate;
    self.__compiled__[alias].normalize =
      self.__compiled__[self.__schemas__[alias]].normalize;
  });

  //
  // Fake record for guessed links
  //
  self.__compiled__[''] = { validate: null, normalize: createNormalizer() };

  //
  // Build schema condition
  //
  const slist = Object.keys(self.__compiled__)
    .filter(function (name) {
      // Filter disabled & fake schemas
      return name.length > 0 && self.__compiled__[name]
    })
    .map(escapeRE)
    .join('|');
  // (?!_) cause 1.5x slowdown
  self.re.schema_test = RegExp('(^|(?!_)(?:[><\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'i');
  self.re.schema_search = RegExp('(^|(?!_)(?:[><\uff5c]|' + re.src_ZPCc + '))(' + slist + ')', 'ig');
  self.re.schema_at_start = RegExp('^' + self.re.schema_search.source, 'i');

  self.re.pretest = RegExp(
    '(' + self.re.schema_test.source + ')|(' + self.re.host_fuzzy_test.source + ')|@',
    'i'
  );

  //
  // Cleanup
  //

  resetScanCache(self);
}

/**
 * class Match
 *
 * Match result. Single element of array, returned by [[LinkifyIt#match]]
 **/
function Match (self, shift) {
  const start = self.__index__;
  const end = self.__last_index__;
  const text = self.__text_cache__.slice(start, end);

  /**
   * Match#schema -> String
   *
   * Prefix (protocol) for matched string.
   **/
  this.schema = self.__schema__.toLowerCase();
  /**
   * Match#index -> Number
   *
   * First position of matched string.
   **/
  this.index = start + shift;
  /**
   * Match#lastIndex -> Number
   *
   * Next position after matched string.
   **/
  this.lastIndex = end + shift;
  /**
   * Match#raw -> String
   *
   * Matched string.
   **/
  this.raw = text;
  /**
   * Match#text -> String
   *
   * Notmalized text of matched string.
   **/
  this.text = text;
  /**
   * Match#url -> String
   *
   * Normalized url of matched string.
   **/
  this.url = text;
}

function createMatch (self, shift) {
  const match = new Match(self, shift);

  self.__compiled__[match.schema].normalize(match, self);

  return match
}

/**
 * class LinkifyIt
 **/

/**
 * new LinkifyIt(schemas, options)
 * - schemas (Object): Optional. Additional schemas to validate (prefix/validator)
 * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }
 *
 * Creates new linkifier instance with optional additional schemas.
 * Can be called without `new` keyword for convenience.
 *
 * By default understands:
 *
 * - `http(s)://...` , `ftp://...`, `mailto:...` & `//...` links
 * - "fuzzy" links and emails (example.com, foo@bar.com).
 *
 * `schemas` is an object, where each key/value describes protocol/rule:
 *
 * - __key__ - link prefix (usually, protocol name with `:` at the end, `skype:`
 *   for example). `linkify-it` makes shure that prefix is not preceeded with
 *   alphanumeric char and symbols. Only whitespaces and punctuation allowed.
 * - __value__ - rule to check tail after link prefix
 *   - _String_ - just alias to existing rule
 *   - _Object_
 *     - _validate_ - validator function (should return matched length on success),
 *       or `RegExp`.
 *     - _normalize_ - optional function to normalize text & url of matched result
 *       (for example, for @twitter mentions).
 *
 * `options`:
 *
 * - __fuzzyLink__ - recognige URL-s without `http(s):` prefix. Default `true`.
 * - __fuzzyIP__ - allow IPs in fuzzy links above. Can conflict with some texts
 *   like version numbers. Default `false`.
 * - __fuzzyEmail__ - recognize emails without `mailto:` prefix.
 *
 **/
function LinkifyIt (schemas, options) {
  if (!(this instanceof LinkifyIt)) {
    return new LinkifyIt(schemas, options)
  }

  if (!options) {
    if (isOptionsObj(schemas)) {
      options = schemas;
      schemas = {};
    }
  }

  this.__opts__ = assign({}, defaultOptions$1, options);

  // Cache last tested result. Used to skip repeating steps on next `match` call.
  this.__index__ = -1;
  this.__last_index__ = -1; // Next scan position
  this.__schema__ = '';
  this.__text_cache__ = '';

  this.__schemas__ = assign({}, defaultSchemas, schemas);
  this.__compiled__ = {};

  this.__tlds__ = tlds_default;
  this.__tlds_replaced__ = false;

  this.re = {};

  compile(this);
}

/** chainable
 * LinkifyIt#add(schema, definition)
 * - schema (String): rule name (fixed pattern prefix)
 * - definition (String|RegExp|Object): schema definition
 *
 * Add new rule definition. See constructor description for details.
 **/
LinkifyIt.prototype.add = function add (schema, definition) {
  this.__schemas__[schema] = definition;
  compile(this);
  return this
};

/** chainable
 * LinkifyIt#set(options)
 * - options (Object): { fuzzyLink|fuzzyEmail|fuzzyIP: true|false }
 *
 * Set recognition options for links without schema.
 **/
LinkifyIt.prototype.set = function set (options) {
  this.__opts__ = assign(this.__opts__, options);
  return this
};

/**
 * LinkifyIt#test(text) -> Boolean
 *
 * Searches linkifiable pattern and returns `true` on success or `false` on fail.
 **/
LinkifyIt.prototype.test = function test (text) {
  // Reset scan cache
  this.__text_cache__ = text;
  this.__index__ = -1;

  if (!text.length) { return false }

  let m, ml, me, len, shift, next, re, tld_pos, at_pos;

  // try to scan for link with schema - that's the most simple rule
  if (this.re.schema_test.test(text)) {
    re = this.re.schema_search;
    re.lastIndex = 0;
    while ((m = re.exec(text)) !== null) {
      len = this.testSchemaAt(text, m[2], re.lastIndex);
      if (len) {
        this.__schema__ = m[2];
        this.__index__ = m.index + m[1].length;
        this.__last_index__ = m.index + m[0].length + len;
        break
      }
    }
  }

  if (this.__opts__.fuzzyLink && this.__compiled__['http:']) {
    // guess schemaless links
    tld_pos = text.search(this.re.host_fuzzy_test);
    if (tld_pos >= 0) {
      // if tld is located after found link - no need to check fuzzy pattern
      if (this.__index__ < 0 || tld_pos < this.__index__) {
        if ((ml = text.match(this.__opts__.fuzzyIP ? this.re.link_fuzzy : this.re.link_no_ip_fuzzy)) !== null) {
          shift = ml.index + ml[1].length;

          if (this.__index__ < 0 || shift < this.__index__) {
            this.__schema__ = '';
            this.__index__ = shift;
            this.__last_index__ = ml.index + ml[0].length;
          }
        }
      }
    }
  }

  if (this.__opts__.fuzzyEmail && this.__compiled__['mailto:']) {
    // guess schemaless emails
    at_pos = text.indexOf('@');
    if (at_pos >= 0) {
      // We can't skip this check, because this cases are possible:
      // 192.168.1.1@gmail.com, my.in@example.com
      if ((me = text.match(this.re.email_fuzzy)) !== null) {
        shift = me.index + me[1].length;
        next = me.index + me[0].length;

        if (this.__index__ < 0 || shift < this.__index__ ||
            (shift === this.__index__ && next > this.__last_index__)) {
          this.__schema__ = 'mailto:';
          this.__index__ = shift;
          this.__last_index__ = next;
        }
      }
    }
  }

  return this.__index__ >= 0
};

/**
 * LinkifyIt#pretest(text) -> Boolean
 *
 * Very quick check, that can give false positives. Returns true if link MAY BE
 * can exists. Can be used for speed optimization, when you need to check that
 * link NOT exists.
 **/
LinkifyIt.prototype.pretest = function pretest (text) {
  return this.re.pretest.test(text)
};

/**
 * LinkifyIt#testSchemaAt(text, name, position) -> Number
 * - text (String): text to scan
 * - name (String): rule (schema) name
 * - position (Number): text offset to check from
 *
 * Similar to [[LinkifyIt#test]] but checks only specific protocol tail exactly
 * at given position. Returns length of found pattern (0 on fail).
 **/
LinkifyIt.prototype.testSchemaAt = function testSchemaAt (text, schema, pos) {
  // If not supported schema check requested - terminate
  if (!this.__compiled__[schema.toLowerCase()]) {
    return 0
  }
  return this.__compiled__[schema.toLowerCase()].validate(text, pos, this)
};

/**
 * LinkifyIt#match(text) -> Array|null
 *
 * Returns array of found link descriptions or `null` on fail. We strongly
 * recommend to use [[LinkifyIt#test]] first, for best speed.
 *
 * ##### Result match description
 *
 * - __schema__ - link schema, can be empty for fuzzy links, or `//` for
 *   protocol-neutral  links.
 * - __index__ - offset of matched text
 * - __lastIndex__ - index of next char after mathch end
 * - __raw__ - matched text
 * - __text__ - normalized text
 * - __url__ - link, generated from matched text
 **/
LinkifyIt.prototype.match = function match (text) {
  const result = [];
  let shift = 0;

  // Try to take previous element from cache, if .test() called before
  if (this.__index__ >= 0 && this.__text_cache__ === text) {
    result.push(createMatch(this, shift));
    shift = this.__last_index__;
  }

  // Cut head if cache was used
  let tail = shift ? text.slice(shift) : text;

  // Scan string until end reached
  while (this.test(tail)) {
    result.push(createMatch(this, shift));

    tail = tail.slice(this.__last_index__);
    shift += this.__last_index__;
  }

  if (result.length) {
    return result
  }

  return null
};

/**
 * LinkifyIt#matchAtStart(text) -> Match|null
 *
 * Returns fully-formed (not fuzzy) link if it starts at the beginning
 * of the string, and null otherwise.
 **/
LinkifyIt.prototype.matchAtStart = function matchAtStart (text) {
  // Reset scan cache
  this.__text_cache__ = text;
  this.__index__ = -1;

  if (!text.length) return null

  const m = this.re.schema_at_start.exec(text);
  if (!m) return null

  const len = this.testSchemaAt(text, m[2], m[0].length);
  if (!len) return null

  this.__schema__ = m[2];
  this.__index__ = m.index + m[1].length;
  this.__last_index__ = m.index + m[0].length + len;

  return createMatch(this, 0)
};

/** chainable
 * LinkifyIt#tlds(list [, keepOld]) -> this
 * - list (Array): list of tlds
 * - keepOld (Boolean): merge with current list if `true` (`false` by default)
 *
 * Load (or merge) new tlds list. Those are user for fuzzy links (without prefix)
 * to avoid false positives. By default this algorythm used:
 *
 * - hostname with any 2-letter root zones are ok.
 * - biz|com|edu|gov|net|org|pro|web|xxx|aero|asia|coop|info|museum|name|shop|рф
 *   are ok.
 * - encoded (`xn--...`) root zones are ok.
 *
 * If list is replaced, then exact match for 2-chars root zones will be checked.
 **/
LinkifyIt.prototype.tlds = function tlds (list, keepOld) {
  list = Array.isArray(list) ? list : [list];

  if (!keepOld) {
    this.__tlds__ = list.slice();
    this.__tlds_replaced__ = true;
    compile(this);
    return this
  }

  this.__tlds__ = this.__tlds__.concat(list)
    .sort()
    .filter(function (el, idx, arr) {
      return el !== arr[idx - 1]
    })
    .reverse();

  compile(this);
  return this
};

/**
 * LinkifyIt#normalize(match)
 *
 * Default normalizer (if schema does not define it's own).
 **/
LinkifyIt.prototype.normalize = function normalize (match) {
  // Do minimal possible changes by default. Need to collect feedback prior
  // to move forward https://github.com/markdown-it/linkify-it/issues/1

  if (!match.schema) { match.url = 'http://' + match.url; }

  if (match.schema === 'mailto:' && !/^mailto:/i.test(match.url)) {
    match.url = 'mailto:' + match.url;
  }
};

/**
 * LinkifyIt#onCompile()
 *
 * Override to modify basic RegExp-s.
 **/
LinkifyIt.prototype.onCompile = function onCompile () {
};

/** Highest positive signed 32-bit float value */
const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1

/** Bootstring parameters */
const base = 36;
const tMin = 1;
const tMax = 26;
const skew = 38;
const damp = 700;
const initialBias = 72;
const initialN = 128; // 0x80
const delimiter = '-'; // '\x2D'

/** Regular expressions */
const regexPunycode = /^xn--/;
const regexNonASCII = /[^\0-\x7F]/; // Note: U+007F DEL is excluded too.
const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators

/** Error messages */
const errors$1 = {
	'overflow': 'Overflow: input needs wider integers to process',
	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
	'invalid-input': 'Invalid input'
};

/** Convenience shortcuts */
const baseMinusTMin = base - tMin;
const floor = Math.floor;
const stringFromCharCode = String.fromCharCode;

/*--------------------------------------------------------------------------*/

/**
 * A generic error utility function.
 * @private
 * @param {String} type The error type.
 * @returns {Error} Throws a `RangeError` with the applicable error message.
 */
function error(type) {
	throw new RangeError(errors$1[type]);
}

/**
 * A generic `Array#map` utility function.
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} callback The function that gets called for every array
 * item.
 * @returns {Array} A new array of values returned by the callback function.
 */
function map(array, callback) {
	const result = [];
	let length = array.length;
	while (length--) {
		result[length] = callback(array[length]);
	}
	return result;
}

/**
 * A simple `Array#map`-like wrapper to work with domain name strings or email
 * addresses.
 * @private
 * @param {String} domain The domain name or email address.
 * @param {Function} callback The function that gets called for every
 * character.
 * @returns {String} A new string of characters returned by the callback
 * function.
 */
function mapDomain(domain, callback) {
	const parts = domain.split('@');
	let result = '';
	if (parts.length > 1) {
		// In email addresses, only the domain name should be punycoded. Leave
		// the local part (i.e. everything up to `@`) intact.
		result = parts[0] + '@';
		domain = parts[1];
	}
	// Avoid `split(regex)` for IE8 compatibility. See #17.
	domain = domain.replace(regexSeparators, '\x2E');
	const labels = domain.split('.');
	const encoded = map(labels, callback).join('.');
	return result + encoded;
}

/**
 * Creates an array containing the numeric code points of each Unicode
 * character in the string. While JavaScript uses UCS-2 internally,
 * this function will convert a pair of surrogate halves (each of which
 * UCS-2 exposes as separate characters) into a single code point,
 * matching UTF-16.
 * @see `punycode.ucs2.encode`
 * @see <https://mathiasbynens.be/notes/javascript-encoding>
 * @memberOf punycode.ucs2
 * @name decode
 * @param {String} string The Unicode input string (UCS-2).
 * @returns {Array} The new array of code points.
 */
function ucs2decode(string) {
	const output = [];
	let counter = 0;
	const length = string.length;
	while (counter < length) {
		const value = string.charCodeAt(counter++);
		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
			// It's a high surrogate, and there is a next character.
			const extra = string.charCodeAt(counter++);
			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
			} else {
				// It's an unmatched surrogate; only append this code unit, in case the
				// next code unit is the high surrogate of a surrogate pair.
				output.push(value);
				counter--;
			}
		} else {
			output.push(value);
		}
	}
	return output;
}

/**
 * Creates a string based on an array of numeric code points.
 * @see `punycode.ucs2.decode`
 * @memberOf punycode.ucs2
 * @name encode
 * @param {Array} codePoints The array of numeric code points.
 * @returns {String} The new Unicode string (UCS-2).
 */
const ucs2encode = codePoints => String.fromCodePoint(...codePoints);

/**
 * Converts a basic code point into a digit/integer.
 * @see `digitToBasic()`
 * @private
 * @param {Number} codePoint The basic numeric code point value.
 * @returns {Number} The numeric value of a basic code point (for use in
 * representing integers) in the range `0` to `base - 1`, or `base` if
 * the code point does not represent a value.
 */
const basicToDigit = function(codePoint) {
	if (codePoint >= 0x30 && codePoint < 0x3A) {
		return 26 + (codePoint - 0x30);
	}
	if (codePoint >= 0x41 && codePoint < 0x5B) {
		return codePoint - 0x41;
	}
	if (codePoint >= 0x61 && codePoint < 0x7B) {
		return codePoint - 0x61;
	}
	return base;
};

/**
 * Converts a digit/integer into a basic code point.
 * @see `basicToDigit()`
 * @private
 * @param {Number} digit The numeric value of a basic code point.
 * @returns {Number} The basic code point whose value (when used for
 * representing integers) is `digit`, which needs to be in the range
 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
 * used; else, the lowercase form is used. The behavior is undefined
 * if `flag` is non-zero and `digit` has no uppercase form.
 */
const digitToBasic = function(digit, flag) {
	//  0..25 map to ASCII a..z or A..Z
	// 26..35 map to ASCII 0..9
	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
};

/**
 * Bias adaptation function as per section 3.4 of RFC 3492.
 * https://tools.ietf.org/html/rfc3492#section-3.4
 * @private
 */
const adapt = function(delta, numPoints, firstTime) {
	let k = 0;
	delta = firstTime ? floor(delta / damp) : delta >> 1;
	delta += floor(delta / numPoints);
	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
		delta = floor(delta / baseMinusTMin);
	}
	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
};

/**
 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
 * symbols.
 * @memberOf punycode
 * @param {String} input The Punycode string of ASCII-only symbols.
 * @returns {String} The resulting string of Unicode symbols.
 */
const decode = function(input) {
	// Don't use UCS-2.
	const output = [];
	const inputLength = input.length;
	let i = 0;
	let n = initialN;
	let bias = initialBias;

	// Handle the basic code points: let `basic` be the number of input code
	// points before the last delimiter, or `0` if there is none, then copy
	// the first basic code points to the output.

	let basic = input.lastIndexOf(delimiter);
	if (basic < 0) {
		basic = 0;
	}

	for (let j = 0; j < basic; ++j) {
		// if it's not a basic code point
		if (input.charCodeAt(j) >= 0x80) {
			error('not-basic');
		}
		output.push(input.charCodeAt(j));
	}

	// Main decoding loop: start just after the last delimiter if any basic code
	// points were copied; start at the beginning otherwise.

	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {

		// `index` is the index of the next character to be consumed.
		// Decode a generalized variable-length integer into `delta`,
		// which gets added to `i`. The overflow checking is easier
		// if we increase `i` as we go, then subtract off its starting
		// value at the end to obtain `delta`.
		const oldi = i;
		for (let w = 1, k = base; /* no condition */; k += base) {

			if (index >= inputLength) {
				error('invalid-input');
			}

			const digit = basicToDigit(input.charCodeAt(index++));

			if (digit >= base) {
				error('invalid-input');
			}
			if (digit > floor((maxInt - i) / w)) {
				error('overflow');
			}

			i += digit * w;
			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);

			if (digit < t) {
				break;
			}

			const baseMinusT = base - t;
			if (w > floor(maxInt / baseMinusT)) {
				error('overflow');
			}

			w *= baseMinusT;

		}

		const out = output.length + 1;
		bias = adapt(i - oldi, out, oldi == 0);

		// `i` was supposed to wrap around from `out` to `0`,
		// incrementing `n` each time, so we'll fix that now:
		if (floor(i / out) > maxInt - n) {
			error('overflow');
		}

		n += floor(i / out);
		i %= out;

		// Insert `n` at position `i` of the output.
		output.splice(i++, 0, n);

	}

	return String.fromCodePoint(...output);
};

/**
 * Converts a string of Unicode symbols (e.g. a domain name label) to a
 * Punycode string of ASCII-only symbols.
 * @memberOf punycode
 * @param {String} input The string of Unicode symbols.
 * @returns {String} The resulting Punycode string of ASCII-only symbols.
 */
const encode = function(input) {
	const output = [];

	// Convert the input in UCS-2 to an array of Unicode code points.
	input = ucs2decode(input);

	// Cache the length.
	const inputLength = input.length;

	// Initialize the state.
	let n = initialN;
	let delta = 0;
	let bias = initialBias;

	// Handle the basic code points.
	for (const currentValue of input) {
		if (currentValue < 0x80) {
			output.push(stringFromCharCode(currentValue));
		}
	}

	const basicLength = output.length;
	let handledCPCount = basicLength;

	// `handledCPCount` is the number of code points that have been handled;
	// `basicLength` is the number of basic code points.

	// Finish the basic string with a delimiter unless it's empty.
	if (basicLength) {
		output.push(delimiter);
	}

	// Main encoding loop:
	while (handledCPCount < inputLength) {

		// All non-basic code points < n have been handled already. Find the next
		// larger one:
		let m = maxInt;
		for (const currentValue of input) {
			if (currentValue >= n && currentValue < m) {
				m = currentValue;
			}
		}

		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
		// but guard against overflow.
		const handledCPCountPlusOne = handledCPCount + 1;
		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
			error('overflow');
		}

		delta += (m - n) * handledCPCountPlusOne;
		n = m;

		for (const currentValue of input) {
			if (currentValue < n && ++delta > maxInt) {
				error('overflow');
			}
			if (currentValue === n) {
				// Represent delta as a generalized variable-length integer.
				let q = delta;
				for (let k = base; /* no condition */; k += base) {
					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
					if (q < t) {
						break;
					}
					const qMinusT = q - t;
					const baseMinusT = base - t;
					output.push(
						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
					);
					q = floor(qMinusT / baseMinusT);
				}

				output.push(stringFromCharCode(digitToBasic(q, 0)));
				bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength);
				delta = 0;
				++handledCPCount;
			}
		}

		++delta;
		++n;

	}
	return output.join('');
};

/**
 * Converts a Punycode string representing a domain name or an email address
 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
 * it doesn't matter if you call it on a string that has already been
 * converted to Unicode.
 * @memberOf punycode
 * @param {String} input The Punycoded domain name or email address to
 * convert to Unicode.
 * @returns {String} The Unicode representation of the given Punycode
 * string.
 */
const toUnicode = function(input) {
	return mapDomain(input, function(string) {
		return regexPunycode.test(string)
			? decode(string.slice(4).toLowerCase())
			: string;
	});
};

/**
 * Converts a Unicode string representing a domain name or an email address to
 * Punycode. Only the non-ASCII parts of the domain name will be converted,
 * i.e. it doesn't matter if you call it with a domain that's already in
 * ASCII.
 * @memberOf punycode
 * @param {String} input The domain name or email address to convert, as a
 * Unicode string.
 * @returns {String} The Punycode representation of the given domain name or
 * email address.
 */
const toASCII = function(input) {
	return mapDomain(input, function(string) {
		return regexNonASCII.test(string)
			? 'xn--' + encode(string)
			: string;
	});
};

/*--------------------------------------------------------------------------*/

/** Define the public API */
const punycode = {
	/**
	 * A string representing the current Punycode.js version number.
	 * @memberOf punycode
	 * @type String
	 */
	'version': '2.3.1',
	/**
	 * An object of methods to convert from JavaScript's internal character
	 * representation (UCS-2) to Unicode code points, and back.
	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
	 * @memberOf punycode
	 * @type Object
	 */
	'ucs2': {
		'decode': ucs2decode,
		'encode': ucs2encode
	},
	'decode': decode,
	'encode': encode,
	'toASCII': toASCII,
	'toUnicode': toUnicode
};

// markdown-it default options

var cfg_default = {
  options: {
    // Enable HTML tags in source
    html: false,

    // Use '/' to close single tags (<br />)
    xhtmlOut: false,

    // Convert '\n' in paragraphs into <br>
    breaks: false,

    // CSS language prefix for fenced blocks
    langPrefix: 'language-',

    // autoconvert URL-like texts to links
    linkify: false,

    // Enable some language-neutral replacements + quotes beautification
    typographer: false,

    // Double + single quotes replacement pairs, when typographer enabled,
    // and smartquotes on. Could be either a String or an Array.
    //
    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
    // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
    quotes: '\u201c\u201d\u2018\u2019', /* “”‘’ */

    // Highlighter function. Should return escaped HTML,
    // or '' if the source string is not changed and should be escaped externaly.
    // If result starts with <pre... internal wrapper is skipped.
    //
    // function (/*str, lang*/) { return ''; }
    //
    highlight: null,

    // Internal protection, recursion limit
    maxNesting: 100
  },

  components: {
    core: {},
    block: {},
    inline: {}
  }
};

// "Zero" preset, with nothing enabled. Useful for manual configuring of simple
// modes. For example, to parse bold/italic only.

var cfg_zero = {
  options: {
    // Enable HTML tags in source
    html: false,

    // Use '/' to close single tags (<br />)
    xhtmlOut: false,

    // Convert '\n' in paragraphs into <br>
    breaks: false,

    // CSS language prefix for fenced blocks
    langPrefix: 'language-',

    // autoconvert URL-like texts to links
    linkify: false,

    // Enable some language-neutral replacements + quotes beautification
    typographer: false,

    // Double + single quotes replacement pairs, when typographer enabled,
    // and smartquotes on. Could be either a String or an Array.
    //
    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
    // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
    quotes: '\u201c\u201d\u2018\u2019', /* “”‘’ */

    // Highlighter function. Should return escaped HTML,
    // or '' if the source string is not changed and should be escaped externaly.
    // If result starts with <pre... internal wrapper is skipped.
    //
    // function (/*str, lang*/) { return ''; }
    //
    highlight: null,

    // Internal protection, recursion limit
    maxNesting: 20
  },

  components: {

    core: {
      rules: [
        'normalize',
        'block',
        'inline',
        'text_join'
      ]
    },

    block: {
      rules: [
        'paragraph'
      ]
    },

    inline: {
      rules: [
        'text'
      ],
      rules2: [
        'balance_pairs',
        'fragments_join'
      ]
    }
  }
};

// Commonmark default options

var cfg_commonmark = {
  options: {
    // Enable HTML tags in source
    html: true,

    // Use '/' to close single tags (<br />)
    xhtmlOut: true,

    // Convert '\n' in paragraphs into <br>
    breaks: false,

    // CSS language prefix for fenced blocks
    langPrefix: 'language-',

    // autoconvert URL-like texts to links
    linkify: false,

    // Enable some language-neutral replacements + quotes beautification
    typographer: false,

    // Double + single quotes replacement pairs, when typographer enabled,
    // and smartquotes on. Could be either a String or an Array.
    //
    // For example, you can use '«»„“' for Russian, '„“‚‘' for German,
    // and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
    quotes: '\u201c\u201d\u2018\u2019', /* “”‘’ */

    // Highlighter function. Should return escaped HTML,
    // or '' if the source string is not changed and should be escaped externaly.
    // If result starts with <pre... internal wrapper is skipped.
    //
    // function (/*str, lang*/) { return ''; }
    //
    highlight: null,

    // Internal protection, recursion limit
    maxNesting: 20
  },

  components: {

    core: {
      rules: [
        'normalize',
        'block',
        'inline',
        'text_join'
      ]
    },

    block: {
      rules: [
        'blockquote',
        'code',
        'fence',
        'heading',
        'hr',
        'html_block',
        'lheading',
        'list',
        'reference',
        'paragraph'
      ]
    },

    inline: {
      rules: [
        'autolink',
        'backticks',
        'emphasis',
        'entity',
        'escape',
        'html_inline',
        'image',
        'link',
        'newline',
        'text'
      ],
      rules2: [
        'balance_pairs',
        'emphasis',
        'fragments_join'
      ]
    }
  }
};

// Main parser class


const config = {
  default: cfg_default,
  zero: cfg_zero,
  commonmark: cfg_commonmark
};

//
// This validator can prohibit more than really needed to prevent XSS. It's a
// tradeoff to keep code simple and to be secure by default.
//
// If you need different setup - override validator method as you wish. Or
// replace it with dummy function and use external sanitizer.
//

const BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;
const GOOD_DATA_RE = /^data:image\/(gif|png|jpeg|webp);/;

function validateLink (url) {
  // url should be normalized at this point, and existing entities are decoded
  const str = url.trim().toLowerCase();

  return BAD_PROTO_RE.test(str) ? GOOD_DATA_RE.test(str) : true
}

const RECODE_HOSTNAME_FOR = ['http:', 'https:', 'mailto:'];

function normalizeLink (url) {
  const parsed = urlParse(url, true);

  if (parsed.hostname) {
    // Encode hostnames in urls like:
    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
    //
    // We don't encode unknown schemas, because it's likely that we encode
    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
    //
    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
      try {
        parsed.hostname = punycode.toASCII(parsed.hostname);
      } catch (er) { /**/ }
    }
  }

  return encode$1(format(parsed))
}

function normalizeLinkText (url) {
  const parsed = urlParse(url, true);

  if (parsed.hostname) {
    // Encode hostnames in urls like:
    // `http://host/`, `https://host/`, `mailto:user@host`, `//host/`
    //
    // We don't encode unknown schemas, because it's likely that we encode
    // something we shouldn't (e.g. `skype:name` treated as `skype:host`)
    //
    if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) {
      try {
        parsed.hostname = punycode.toUnicode(parsed.hostname);
      } catch (er) { /**/ }
    }
  }

  // add '%' to exclude list because of https://github.com/markdown-it/markdown-it/issues/720
  return decode$1(format(parsed), decode$1.defaultChars + '%')
}

/**
 * class MarkdownIt
 *
 * Main parser/renderer class.
 *
 * ##### Usage
 *
 * ```javascript
 * // node.js, "classic" way:
 * var MarkdownIt = require('markdown-it'),
 *     md = new MarkdownIt();
 * var result = md.render('# markdown-it rulezz!');
 *
 * // node.js, the same, but with sugar:
 * var md = require('markdown-it')();
 * var result = md.render('# markdown-it rulezz!');
 *
 * // browser without AMD, added to "window" on script load
 * // Note, there are no dash.
 * var md = window.markdownit();
 * var result = md.render('# markdown-it rulezz!');
 * ```
 *
 * Single line rendering, without paragraph wrap:
 *
 * ```javascript
 * var md = require('markdown-it')();
 * var result = md.renderInline('__markdown-it__ rulezz!');
 * ```
 **/

/**
 * new MarkdownIt([presetName, options])
 * - presetName (String): optional, `commonmark` / `zero`
 * - options (Object)
 *
 * Creates parser instanse with given config. Can be called without `new`.
 *
 * ##### presetName
 *
 * MarkdownIt provides named presets as a convenience to quickly
 * enable/disable active syntax rules and options for common use cases.
 *
 * - ["commonmark"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/commonmark.mjs) -
 *   configures parser to strict [CommonMark](http://commonmark.org/) mode.
 * - [default](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/default.mjs) -
 *   similar to GFM, used when no preset name given. Enables all available rules,
 *   but still without html, typographer & autolinker.
 * - ["zero"](https://github.com/markdown-it/markdown-it/blob/master/lib/presets/zero.mjs) -
 *   all rules disabled. Useful to quickly setup your config via `.enable()`.
 *   For example, when you need only `bold` and `italic` markup and nothing else.
 *
 * ##### options:
 *
 * - __html__ - `false`. Set `true` to enable HTML tags in source. Be careful!
 *   That's not safe! You may need external sanitizer to protect output from XSS.
 *   It's better to extend features via plugins, instead of enabling HTML.
 * - __xhtmlOut__ - `false`. Set `true` to add '/' when closing single tags
 *   (`<br />`). This is needed only for full CommonMark compatibility. In real
 *   world you will need HTML output.
 * - __breaks__ - `false`. Set `true` to convert `\n` in paragraphs into `<br>`.
 * - __langPrefix__ - `language-`. CSS language class prefix for fenced blocks.
 *   Can be useful for external highlighters.
 * - __linkify__ - `false`. Set `true` to autoconvert URL-like text to links.
 * - __typographer__  - `false`. Set `true` to enable [some language-neutral
 *   replacement](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/replacements.mjs) +
 *   quotes beautification (smartquotes).
 * - __quotes__ - `“”‘’`, String or Array. Double + single quotes replacement
 *   pairs, when typographer enabled and smartquotes on. For example, you can
 *   use `'«»„“'` for Russian, `'„“‚‘'` for German, and
 *   `['«\xA0', '\xA0»', '‹\xA0', '\xA0›']` for French (including nbsp).
 * - __highlight__ - `null`. Highlighter function for fenced code blocks.
 *   Highlighter `function (str, lang)` should return escaped HTML. It can also
 *   return empty string if the source was not changed and should be escaped
 *   externaly. If result starts with <pre... internal wrapper is skipped.
 *
 * ##### Example
 *
 * ```javascript
 * // commonmark mode
 * var md = require('markdown-it')('commonmark');
 *
 * // default mode
 * var md = require('markdown-it')();
 *
 * // enable everything
 * var md = require('markdown-it')({
 *   html: true,
 *   linkify: true,
 *   typographer: true
 * });
 * ```
 *
 * ##### Syntax highlighting
 *
 * ```js
 * var hljs = require('highlight.js') // https://highlightjs.org/
 *
 * var md = require('markdown-it')({
 *   highlight: function (str, lang) {
 *     if (lang && hljs.getLanguage(lang)) {
 *       try {
 *         return hljs.highlight(str, { language: lang, ignoreIllegals: true }).value;
 *       } catch (__) {}
 *     }
 *
 *     return ''; // use external default escaping
 *   }
 * });
 * ```
 *
 * Or with full wrapper override (if you need assign class to `<pre>` or `<code>`):
 *
 * ```javascript
 * var hljs = require('highlight.js') // https://highlightjs.org/
 *
 * // Actual default values
 * var md = require('markdown-it')({
 *   highlight: function (str, lang) {
 *     if (lang && hljs.getLanguage(lang)) {
 *       try {
 *         return '<pre><code class="hljs">' +
 *                hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +
 *                '</code></pre>';
 *       } catch (__) {}
 *     }
 *
 *     return '<pre><code class="hljs">' + md.utils.escapeHtml(str) + '</code></pre>';
 *   }
 * });
 * ```
 *
 **/
function MarkdownIt (presetName, options) {
  if (!(this instanceof MarkdownIt)) {
    return new MarkdownIt(presetName, options)
  }

  if (!options) {
    if (!isString$1(presetName)) {
      options = presetName || {};
      presetName = 'default';
    }
  }

  /**
   * MarkdownIt#inline -> ParserInline
   *
   * Instance of [[ParserInline]]. You may need it to add new rules when
   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
   * [[MarkdownIt.enable]].
   **/
  this.inline = new ParserInline();

  /**
   * MarkdownIt#block -> ParserBlock
   *
   * Instance of [[ParserBlock]]. You may need it to add new rules when
   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
   * [[MarkdownIt.enable]].
   **/
  this.block = new ParserBlock();

  /**
   * MarkdownIt#core -> Core
   *
   * Instance of [[Core]] chain executor. You may need it to add new rules when
   * writing plugins. For simple rules control use [[MarkdownIt.disable]] and
   * [[MarkdownIt.enable]].
   **/
  this.core = new Core();

  /**
   * MarkdownIt#renderer -> Renderer
   *
   * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering
   * rules for new token types, generated by plugins.
   *
   * ##### Example
   *
   * ```javascript
   * var md = require('markdown-it')();
   *
   * function myToken(tokens, idx, options, env, self) {
   *   //...
   *   return result;
   * };
   *
   * md.renderer.rules['my_token'] = myToken
   * ```
   *
   * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.mjs).
   **/
  this.renderer = new Renderer();

  /**
   * MarkdownIt#linkify -> LinkifyIt
   *
   * [linkify-it](https://github.com/markdown-it/linkify-it) instance.
   * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.mjs)
   * rule.
   **/
  this.linkify = new LinkifyIt();

  /**
   * MarkdownIt#validateLink(url) -> Boolean
   *
   * Link validation function. CommonMark allows too much in links. By default
   * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas
   * except some embedded image types.
   *
   * You can change this behaviour:
   *
   * ```javascript
   * var md = require('markdown-it')();
   * // enable everything
   * md.validateLink = function () { return true; }
   * ```
   **/
  this.validateLink = validateLink;

  /**
   * MarkdownIt#normalizeLink(url) -> String
   *
   * Function used to encode link url to a machine-readable format,
   * which includes url-encoding, punycode, etc.
   **/
  this.normalizeLink = normalizeLink;

  /**
   * MarkdownIt#normalizeLinkText(url) -> String
   *
   * Function used to decode link url to a human-readable format`
   **/
  this.normalizeLinkText = normalizeLinkText;

  // Expose utils & helpers for easy acces from plugins

  /**
   * MarkdownIt#utils -> utils
   *
   * Assorted utility functions, useful to write plugins. See details
   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.mjs).
   **/
  this.utils = utils$3;

  /**
   * MarkdownIt#helpers -> helpers
   *
   * Link components parser functions, useful to write plugins. See details
   * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).
   **/
  this.helpers = assign$1({}, helpers);

  this.options = {};
  this.configure(presetName);

  if (options) { this.set(options); }
}

/** chainable
 * MarkdownIt.set(options)
 *
 * Set parser options (in the same format as in constructor). Probably, you
 * will never need it, but you can change options after constructor call.
 *
 * ##### Example
 *
 * ```javascript
 * var md = require('markdown-it')()
 *             .set({ html: true, breaks: true })
 *             .set({ typographer, true });
 * ```
 *
 * __Note:__ To achieve the best possible performance, don't modify a
 * `markdown-it` instance options on the fly. If you need multiple configurations
 * it's best to create multiple instances and initialize each with separate
 * config.
 **/
MarkdownIt.prototype.set = function (options) {
  assign$1(this.options, options);
  return this
};

/** chainable, internal
 * MarkdownIt.configure(presets)
 *
 * Batch load of all options and compenent settings. This is internal method,
 * and you probably will not need it. But if you will - see available presets
 * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)
 *
 * We strongly recommend to use presets instead of direct config loads. That
 * will give better compatibility with next versions.
 **/
MarkdownIt.prototype.configure = function (presets) {
  const self = this;

  if (isString$1(presets)) {
    const presetName = presets;
    presets = config[presetName];
    if (!presets) { throw new Error('Wrong `markdown-it` preset "' + presetName + '", check name') }
  }

  if (!presets) { throw new Error('Wrong `markdown-it` preset, can\'t be empty') }

  if (presets.options) { self.set(presets.options); }

  if (presets.components) {
    Object.keys(presets.components).forEach(function (name) {
      if (presets.components[name].rules) {
        self[name].ruler.enableOnly(presets.components[name].rules);
      }
      if (presets.components[name].rules2) {
        self[name].ruler2.enableOnly(presets.components[name].rules2);
      }
    });
  }
  return this
};

/** chainable
 * MarkdownIt.enable(list, ignoreInvalid)
 * - list (String|Array): rule name or list of rule names to enable
 * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
 *
 * Enable list or rules. It will automatically find appropriate components,
 * containing rules with given names. If rule not found, and `ignoreInvalid`
 * not set - throws exception.
 *
 * ##### Example
 *
 * ```javascript
 * var md = require('markdown-it')()
 *             .enable(['sub', 'sup'])
 *             .disable('smartquotes');
 * ```
 **/
MarkdownIt.prototype.enable = function (list, ignoreInvalid) {
  let result = [];

  if (!Array.isArray(list)) { list = [list]; }

  ['core', 'block', 'inline'].forEach(function (chain) {
    result = result.concat(this[chain].ruler.enable(list, true));
  }, this);

  result = result.concat(this.inline.ruler2.enable(list, true));

  const missed = list.filter(function (name) { return result.indexOf(name) < 0 });

  if (missed.length && !ignoreInvalid) {
    throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed)
  }

  return this
};

/** chainable
 * MarkdownIt.disable(list, ignoreInvalid)
 * - list (String|Array): rule name or list of rule names to disable.
 * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
 *
 * The same as [[MarkdownIt.enable]], but turn specified rules off.
 **/
MarkdownIt.prototype.disable = function (list, ignoreInvalid) {
  let result = [];

  if (!Array.isArray(list)) { list = [list]; }

  ['core', 'block', 'inline'].forEach(function (chain) {
    result = result.concat(this[chain].ruler.disable(list, true));
  }, this);

  result = result.concat(this.inline.ruler2.disable(list, true));

  const missed = list.filter(function (name) { return result.indexOf(name) < 0 });

  if (missed.length && !ignoreInvalid) {
    throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed)
  }
  return this
};

/** chainable
 * MarkdownIt.use(plugin, params)
 *
 * Load specified plugin with given params into current parser instance.
 * It's just a sugar to call `plugin(md, params)` with curring.
 *
 * ##### Example
 *
 * ```javascript
 * var iterator = require('markdown-it-for-inline');
 * var md = require('markdown-it')()
 *             .use(iterator, 'foo_replace', 'text', function (tokens, idx) {
 *               tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');
 *             });
 * ```
 **/
MarkdownIt.prototype.use = function (plugin /*, params, ... */) {
  const args = [this].concat(Array.prototype.slice.call(arguments, 1));
  plugin.apply(plugin, args);
  return this
};

/** internal
 * MarkdownIt.parse(src, env) -> Array
 * - src (String): source string
 * - env (Object): environment sandbox
 *
 * Parse input string and return list of block tokens (special token type
 * "inline" will contain list of inline tokens). You should not call this
 * method directly, until you write custom renderer (for example, to produce
 * AST).
 *
 * `env` is used to pass data between "distributed" rules and return additional
 * metadata like reference info, needed for the renderer. It also can be used to
 * inject data in specific cases. Usually, you will be ok to pass `{}`,
 * and then pass updated object to renderer.
 **/
MarkdownIt.prototype.parse = function (src, env) {
  if (typeof src !== 'string') {
    throw new Error('Input data should be a String')
  }

  const state = new this.core.State(src, this, env);

  this.core.process(state);

  return state.tokens
};

/**
 * MarkdownIt.render(src [, env]) -> String
 * - src (String): source string
 * - env (Object): environment sandbox
 *
 * Render markdown string into html. It does all magic for you :).
 *
 * `env` can be used to inject additional metadata (`{}` by default).
 * But you will not need it with high probability. See also comment
 * in [[MarkdownIt.parse]].
 **/
MarkdownIt.prototype.render = function (src, env) {
  env = env || {};

  return this.renderer.render(this.parse(src, env), this.options, env)
};

/** internal
 * MarkdownIt.parseInline(src, env) -> Array
 * - src (String): source string
 * - env (Object): environment sandbox
 *
 * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the
 * block tokens list with the single `inline` element, containing parsed inline
 * tokens in `children` property. Also updates `env` object.
 **/
MarkdownIt.prototype.parseInline = function (src, env) {
  const state = new this.core.State(src, this, env);

  state.inlineMode = true;
  this.core.process(state);

  return state.tokens
};

/**
 * MarkdownIt.renderInline(src [, env]) -> String
 * - src (String): source string
 * - env (Object): environment sandbox
 *
 * Similar to [[MarkdownIt.render]] but for single paragraph content. Result
 * will NOT be wrapped into `<p>` tags.
 **/
MarkdownIt.prototype.renderInline = function (src, env) {
  env = env || {};

  return this.renderer.render(this.parseInline(src, env), this.options, env)
};

var e=!1,n={false:"push",true:"unshift",after:"push",before:"unshift"},t={isPermalinkSymbol:!0};function r$1(r,a,i,l){var o;if(!e){var c="Using deprecated markdown-it-anchor permalink option, see https://github.com/valeriangalliat/markdown-it-anchor#permalinks";"object"==typeof process&&process&&process.emitWarning?process.emitWarning(c):console.warn(c),e=!0;}var s=[Object.assign(new i.Token("link_open","a",1),{attrs:[].concat(a.permalinkClass?[["class",a.permalinkClass]]:[],[["href",a.permalinkHref(r,i)]],Object.entries(a.permalinkAttrs(r,i)))}),Object.assign(new i.Token("html_block","",0),{content:a.permalinkSymbol,meta:t}),new i.Token("link_close","a",-1)];a.permalinkSpace&&i.tokens[l+1].children[n[a.permalinkBefore]](Object.assign(new i.Token("text","",0),{content:" "})),(o=i.tokens[l+1].children)[n[a.permalinkBefore]].apply(o,s);}function a$2(e){return "#"+e}function i(e){return {}}var l={class:"header-anchor",symbol:"#",renderHref:a$2,renderAttrs:i};function o$1(e){function n(t){return t=Object.assign({},n.defaults,t),function(n,r,a,i){return e(n,t,r,a,i)}}return n.defaults=Object.assign({},l),n.renderPermalinkImpl=e,n}var c=o$1(function(e,r,a,i,l){var o,c=[Object.assign(new i.Token("link_open","a",1),{attrs:[].concat(r.class?[["class",r.class]]:[],[["href",r.renderHref(e,i)]],r.ariaHidden?[["aria-hidden","true"]]:[],Object.entries(r.renderAttrs(e,i)))}),Object.assign(new i.Token("html_inline","",0),{content:r.symbol,meta:t}),new i.Token("link_close","a",-1)];if(r.space){var s="string"==typeof r.space?r.space:" ";i.tokens[l+1].children[n[r.placement]](Object.assign(new i.Token("string"==typeof r.space?"html_inline":"text","",0),{content:s}));}(o=i.tokens[l+1].children)[n[r.placement]].apply(o,c);});Object.assign(c.defaults,{space:!0,placement:"after",ariaHidden:!1});var s=o$1(c.renderPermalinkImpl);s.defaults=Object.assign({},c.defaults,{ariaHidden:!0});var u=o$1(function(e,n,t,r,a){var i=[Object.assign(new r.Token("link_open","a",1),{attrs:[].concat(n.class?[["class",n.class]]:[],[["href",n.renderHref(e,r)]],Object.entries(n.renderAttrs(e,r)))})].concat(n.safariReaderFix?[new r.Token("span_open","span",1)]:[],r.tokens[a+1].children,n.safariReaderFix?[new r.Token("span_close","span",-1)]:[],[new r.Token("link_close","a",-1)]);r.tokens[a+1]=Object.assign(new r.Token("inline","",0),{children:i});});Object.assign(u.defaults,{safariReaderFix:!1});var d$1=o$1(function(e,r,a,i,l){var o;if(!["visually-hidden","aria-label","aria-describedby","aria-labelledby"].includes(r.style))throw new Error("`permalink.linkAfterHeader` called with unknown style option `"+r.style+"`");if(!["aria-describedby","aria-labelledby"].includes(r.style)&&!r.assistiveText)throw new Error("`permalink.linkAfterHeader` called without the `assistiveText` option in `"+r.style+"` style");if("visually-hidden"===r.style&&!r.visuallyHiddenClass)throw new Error("`permalink.linkAfterHeader` called without the `visuallyHiddenClass` option in `visually-hidden` style");var c=i.tokens[l+1].children.filter(function(e){return "text"===e.type||"code_inline"===e.type}).reduce(function(e,n){return e+n.content},""),s=[],u=[];if(r.class&&u.push(["class",r.class]),u.push(["href",r.renderHref(e,i)]),u.push.apply(u,Object.entries(r.renderAttrs(e,i))),"visually-hidden"===r.style){if(s.push(Object.assign(new i.Token("span_open","span",1),{attrs:[["class",r.visuallyHiddenClass]]}),Object.assign(new i.Token("text","",0),{content:r.assistiveText(c)}),new i.Token("span_close","span",-1)),r.space){var d="string"==typeof r.space?r.space:" ";s[n[r.placement]](Object.assign(new i.Token("string"==typeof r.space?"html_inline":"text","",0),{content:d}));}s[n[r.placement]](Object.assign(new i.Token("span_open","span",1),{attrs:[["aria-hidden","true"]]}),Object.assign(new i.Token("html_inline","",0),{content:r.symbol,meta:t}),new i.Token("span_close","span",-1));}else s.push(Object.assign(new i.Token("html_inline","",0),{content:r.symbol,meta:t}));"aria-label"===r.style?u.push(["aria-label",r.assistiveText(c)]):["aria-describedby","aria-labelledby"].includes(r.style)&&u.push([r.style,e]);var f=[Object.assign(new i.Token("link_open","a",1),{attrs:u})].concat(s,[new i.Token("link_close","a",-1)]);(o=i.tokens).splice.apply(o,[l+3,0].concat(f)),r.wrapper&&(i.tokens.splice(l,0,Object.assign(new i.Token("html_block","",0),{content:r.wrapper[0]+"\n"})),i.tokens.splice(l+3+f.length+1,0,Object.assign(new i.Token("html_block","",0),{content:r.wrapper[1]+"\n"})));});function f(e,n,t,r){var a=e,i=r;if(t&&Object.prototype.hasOwnProperty.call(n,a))throw new Error("User defined `id` attribute `"+e+"` is not unique. Please fix it in your Markdown to continue.");for(;Object.prototype.hasOwnProperty.call(n,a);)a=e+"-"+i,i+=1;return n[a]=!0,a}function p(e,n){n=Object.assign({},p.defaults,n),e.core.ruler.push("anchor",function(e){for(var t,a={},i=e.tokens,l=Array.isArray(n.level)?(t=n.level,function(e){return t.includes(e)}):function(e){return function(n){return n>=e}}(n.level),o=0;o<i.length;o++){var c=i[o];if("heading_open"===c.type&&l(Number(c.tag.substr(1)))){var s=n.getTokensText(i[o+1].children),u=c.attrGet("id");u=null==u?f(n.slugify(s),a,!1,n.uniqueSlugStartIndex):f(u,a,!0,n.uniqueSlugStartIndex),c.attrSet("id",u),!1!==n.tabIndex&&c.attrSet("tabindex",""+n.tabIndex),"function"==typeof n.permalink?n.permalink(u,n,e,o):(n.permalink||n.renderPermalink&&n.renderPermalink!==r$1)&&n.renderPermalink(u,n,e,o),o=i.indexOf(c),n.callback&&n.callback(c,{slug:u,title:s});}}});}Object.assign(d$1.defaults,{style:"visually-hidden",space:!0,placement:"after",wrapper:null}),p.permalink={__proto__:null,legacy:r$1,renderHref:a$2,renderAttrs:i,makePermalink:o$1,linkInsideHeader:c,ariaHidden:s,headerLink:u,linkAfterHeader:d$1},p.defaults={level:1,slugify:function(e){return encodeURIComponent(String(e).trim().toLowerCase().replace(/\s+/g,"-"))},uniqueSlugStartIndex:1,tabIndex:"-1",getTokensText:function(e){return e.filter(function(e){return ["text","code_inline"].includes(e.type)}).map(function(e){return e.content}).join("")},permalink:!1,renderPermalink:r$1,permalinkClass:s.defaults.class,permalinkSpace:s.defaults.space,permalinkSymbol:"¶",permalinkBefore:"before"===s.defaults.placement,permalinkHref:s.defaults.renderHref,permalinkAttrs:s.defaults.renderAttrs},p.default=p;

var utils$2 = {};

/**
 * parse {.class #id key=val} strings
 * @param {string} str: string to parse
 * @param {int} start: where to start parsing (including {)
 * @returns {2d array}: [['key', 'val'], ['class', 'red']]
 */

utils$2.getAttrs = function (str, start, options) {
  // not tab, line feed, form feed, space, solidus, greater than sign, quotation mark, apostrophe and equals sign
  const allowedKeyChars = /[^\t\n\f />"'=]/;
  const pairSeparator = ' ';
  const keySeparator = '=';
  const classChar = '.';
  const idChar = '#';

  const attrs = [];
  let key = '';
  let value = '';
  let parsingKey = true;
  let valueInsideQuotes = false;

  // read inside {}
  // start + left delimiter length to avoid beginning {
  // breaks when } is found or end of string
  for (let i = start + options.leftDelimiter.length; i < str.length; i++) {
    if (str.slice(i, i + options.rightDelimiter.length) === options.rightDelimiter) {
      if (key !== '') { attrs.push([key, value]); }
      break;
    }
    const char_ = str.charAt(i);

    // switch to reading value if equal sign
    if (char_ === keySeparator && parsingKey) {
      parsingKey = false;
      continue;
    }

    // {.class} {..css-module}
    if (char_ === classChar && key === '') {
      if (str.charAt(i + 1) === classChar) {
        key = 'css-module';
        i += 1;
      } else {
        key = 'class';
      }
      parsingKey = false;
      continue;
    }

    // {#id}
    if (char_ === idChar && key === '') {
      key = 'id';
      parsingKey = false;
      continue;
    }

    // {value="inside quotes"}
    if (char_ === '"' && value === '' && !valueInsideQuotes) {
      valueInsideQuotes = true;
      continue;
    }
    if (char_ === '"' && valueInsideQuotes) {
      valueInsideQuotes = false;
      continue;
    }

    // read next key/value pair
    if ((char_ === pairSeparator && !valueInsideQuotes)) {
      if (key === '') {
        // beginning or ending space: { .red } vs {.red}
        continue;
      }
      attrs.push([key, value]);
      key = '';
      value = '';
      parsingKey = true;
      continue;
    }

    // continue if character not allowed
    if (parsingKey && char_.search(allowedKeyChars) === -1) {
      continue;
    }

    // no other conditions met; append to key/value
    if (parsingKey) {
      key += char_;
      continue;
    }
    value += char_;
  }

  if (options.allowedAttributes && options.allowedAttributes.length) {
    const allowedAttributes = options.allowedAttributes;

    return attrs.filter(function (attrPair) {
      const attr = attrPair[0];

      function isAllowedAttribute (allowedAttribute) {
        return (attr === allowedAttribute
          || (allowedAttribute instanceof RegExp && allowedAttribute.test(attr))
        );
      }

      return allowedAttributes.some(isAllowedAttribute);
    });

  }
  return attrs;

};

/**
 * add attributes from [['key', 'val']] list
 * @param {array} attrs: [['key', 'val']]
 * @param {token} token: which token to add attributes
 * @returns token
 */
utils$2.addAttrs = function (attrs, token) {
  for (let j = 0, l = attrs.length; j < l; ++j) {
    const key = attrs[j][0];
    if (key === 'class') {
      token.attrJoin('class', attrs[j][1]);
    } else if (key === 'css-module') {
      token.attrJoin('css-module', attrs[j][1]);
    } else {
      token.attrPush(attrs[j]);
    }
  }
  return token;
};

/**
 * Does string have properly formatted curly?
 *
 * start: '{.a} asdf'
 * end: 'asdf {.a}'
 * only: '{.a}'
 *
 * @param {string} where to expect {} curly. start, end or only.
 * @return {function(string)} Function which testes if string has curly.
 */
utils$2.hasDelimiters = function (where, options) {

  if (!where) {
    throw new Error('Parameter `where` not passed. Should be "start", "end" or "only".');
  }

  /**
   * @param {string} str
   * @return {boolean}
   */
  return function (str) {
    // we need minimum three chars, for example {b}
    const minCurlyLength = options.leftDelimiter.length + 1 + options.rightDelimiter.length;
    if (!str || typeof str !== 'string' || str.length < minCurlyLength) {
      return false;
    }

    function validCurlyLength (curly) {
      const isClass = curly.charAt(options.leftDelimiter.length) === '.';
      const isId = curly.charAt(options.leftDelimiter.length) === '#';
      return (isClass || isId)
        ? curly.length >= (minCurlyLength + 1)
        : curly.length >= minCurlyLength;
    }

    let start, end, slice, nextChar;
    const rightDelimiterMinimumShift = minCurlyLength - options.rightDelimiter.length;
    switch (where) {
    case 'start':
      // first char should be {, } found in char 2 or more
      slice = str.slice(0, options.leftDelimiter.length);
      start = slice === options.leftDelimiter ? 0 : -1;
      end = start === -1 ? -1 : str.indexOf(options.rightDelimiter, rightDelimiterMinimumShift);
      // check if next character is not one of the delimiters
      nextChar = str.charAt(end + options.rightDelimiter.length);
      if (nextChar && options.rightDelimiter.indexOf(nextChar) !== -1) {
        end = -1;
      }
      break;

    case 'end':
      // last char should be }
      start = str.lastIndexOf(options.leftDelimiter);
      end = start === -1 ? -1 : str.indexOf(options.rightDelimiter, start + rightDelimiterMinimumShift);
      end = end === str.length - options.rightDelimiter.length ? end : -1;
      break;

    case 'only':
      // '{.a}'
      slice = str.slice(0, options.leftDelimiter.length);
      start = slice === options.leftDelimiter ? 0 : -1;
      slice = str.slice(str.length - options.rightDelimiter.length);
      end = slice === options.rightDelimiter ? str.length - options.rightDelimiter.length : -1;
      break;

    default:
      throw new Error(`Unexpected case ${where}, expected 'start', 'end' or 'only'`);
    }

    return start !== -1 && end !== -1 && validCurlyLength(str.substring(start, end + options.rightDelimiter.length));
  };
};

/**
 * Removes last curly from string.
 */
utils$2.removeDelimiter = function (str, options) {
  const start = escapeRegExp(options.leftDelimiter);
  const end = escapeRegExp(options.rightDelimiter);

  const curly = new RegExp(
    '[ \\n]?' + start + '[^' + start + end + ']+' + end + '$'
  );
  const pos = str.search(curly);

  return pos !== -1 ? str.slice(0, pos) : str;
};

/**
 * Escapes special characters in string s such that the string
 * can be used in `new RegExp`. For example "[" becomes "\\[".
 *
 * @param {string} s Regex string.
 * @return {string} Escaped string.
 */
function escapeRegExp (s) {
  return s.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
}
utils$2.escapeRegExp = escapeRegExp;

/**
 * find corresponding opening block
 */
utils$2.getMatchingOpeningToken = function (tokens, i) {
  if (tokens[i].type === 'softbreak') {
    return false;
  }
  // non closing blocks, example img
  if (tokens[i].nesting === 0) {
    return tokens[i];
  }

  const level = tokens[i].level;
  const type = tokens[i].type.replace('_close', '_open');

  for (; i >= 0; --i) {
    if (tokens[i].type === type && tokens[i].level === level) {
      return tokens[i];
    }
  }

  return false;
};


/**
 * from https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js
 */
const HTML_ESCAPE_TEST_RE = /[&<>"]/;
const HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
const HTML_REPLACEMENTS = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;'
};

function replaceUnsafeChar(ch) {
  return HTML_REPLACEMENTS[ch];
}

utils$2.escapeHtml = function (str) {
  if (HTML_ESCAPE_TEST_RE.test(str)) {
    return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
  }
  return str;
};

/**
 * If a pattern matches the token stream,
 * then run transform.
 */

const utils$1 = utils$2;

var patterns = options => {
  const __hr = new RegExp('^ {0,3}[-*_]{3,} ?'
                          + utils$1.escapeRegExp(options.leftDelimiter)
                          + '[^' + utils$1.escapeRegExp(options.rightDelimiter) + ']');

  return ([
    {
      /**
       * ```python {.cls}
       * for i in range(10):
       *     print(i)
       * ```
       */
      name: 'fenced code blocks',
      tests: [
        {
          shift: 0,
          block: true,
          info: utils$1.hasDelimiters('end', options)
        }
      ],
      transform: (tokens, i) => {
        const token = tokens[i];
        const start = token.info.lastIndexOf(options.leftDelimiter);
        const attrs = utils$1.getAttrs(token.info, start, options);
        utils$1.addAttrs(attrs, token);
        token.info = utils$1.removeDelimiter(token.info, options);
      }
    }, {
      /**
       * bla `click()`{.c} ![](img.png){.d}
       *
       * differs from 'inline attributes' as it does
       * not have a closing tag (nesting: -1)
       */
      name: 'inline nesting 0',
      tests: [
        {
          shift: 0,
          type: 'inline',
          children: [
            {
              shift: -1,
              type: (str) => str === 'image' || str === 'code_inline'
            }, {
              shift: 0,
              type: 'text',
              content: utils$1.hasDelimiters('start', options)
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const endChar = token.content.indexOf(options.rightDelimiter);
        const attrToken = tokens[i].children[j - 1];
        const attrs = utils$1.getAttrs(token.content, 0, options);
        utils$1.addAttrs(attrs, attrToken);
        if (token.content.length === (endChar + options.rightDelimiter.length)) {
          tokens[i].children.splice(j, 1);
        } else {
          token.content = token.content.slice(endChar + options.rightDelimiter.length);
        }
      }
    }, {
      /**
       * | h1 |
       * | -- |
       * | c1 |
       *
       * {.c}
       */
      name: 'tables',
      tests: [
        {
          // let this token be i, such that for-loop continues at
          // next token after tokens.splice
          shift: 0,
          type: 'table_close'
        }, {
          shift: 1,
          type: 'paragraph_open'
        }, {
          shift: 2,
          type: 'inline',
          content: utils$1.hasDelimiters('only', options)
        }
      ],
      transform: (tokens, i) => {
        const token = tokens[i + 2];
        const tableOpen = utils$1.getMatchingOpeningToken(tokens, i);
        const attrs = utils$1.getAttrs(token.content, 0, options);
        // add attributes
        utils$1.addAttrs(attrs, tableOpen);
        // remove <p>{.c}</p>
        tokens.splice(i + 1, 3);
      }
    }, {
      /**
       * *emphasis*{.with attrs=1}
       */
      name: 'inline attributes',
      tests: [
        {
          shift: 0,
          type: 'inline',
          children: [
            {
              shift: -1,
              nesting: -1  // closing inline tag, </em>{.a}
            }, {
              shift: 0,
              type: 'text',
              content: utils$1.hasDelimiters('start', options)
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const content = token.content;
        const attrs = utils$1.getAttrs(content, 0, options);
        const openingToken = utils$1.getMatchingOpeningToken(tokens[i].children, j - 1);
        utils$1.addAttrs(attrs, openingToken);
        token.content = content.slice(content.indexOf(options.rightDelimiter) + options.rightDelimiter.length);
      }
    }, {
      /**
       * - item
       * {.a}
       */
      name: 'list softbreak',
      tests: [
        {
          shift: -2,
          type: 'list_item_open'
        }, {
          shift: 0,
          type: 'inline',
          children: [
            {
              position: -2,
              type: 'softbreak'
            }, {
              position: -1,
              type: 'text',
              content: utils$1.hasDelimiters('only', options)
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const content = token.content;
        const attrs = utils$1.getAttrs(content, 0, options);
        let ii = i - 2;
        while (tokens[ii - 1] &&
          tokens[ii - 1].type !== 'ordered_list_open' &&
          tokens[ii - 1].type !== 'bullet_list_open') { ii--; }
        utils$1.addAttrs(attrs, tokens[ii - 1]);
        tokens[i].children = tokens[i].children.slice(0, -2);
      }
    }, {
      /**
       * - nested list
       *   - with double \n
       *   {.a} <-- apply to nested ul
       *
       * {.b} <-- apply to root <ul>
       */
      name: 'list double softbreak',
      tests: [
        {
          // let this token be i = 0 so that we can erase
          // the <p>{.a}</p> tokens below
          shift: 0,
          type: (str) =>
            str === 'bullet_list_close' ||
            str === 'ordered_list_close'
        }, {
          shift: 1,
          type: 'paragraph_open'
        }, {
          shift: 2,
          type: 'inline',
          content: utils$1.hasDelimiters('only', options),
          children: (arr) => arr.length === 1
        }, {
          shift: 3,
          type: 'paragraph_close'
        }
      ],
      transform: (tokens, i) => {
        const token = tokens[i + 2];
        const content = token.content;
        const attrs = utils$1.getAttrs(content, 0, options);
        const openingToken = utils$1.getMatchingOpeningToken(tokens, i);
        utils$1.addAttrs(attrs, openingToken);
        tokens.splice(i + 1, 3);
      }
    }, {
      /**
       * - end of {.list-item}
       */
      name: 'list item end',
      tests: [
        {
          shift: -2,
          type: 'list_item_open'
        }, {
          shift: 0,
          type: 'inline',
          children: [
            {
              position: -1,
              type: 'text',
              content: utils$1.hasDelimiters('end', options)
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const content = token.content;
        const attrs = utils$1.getAttrs(content, content.lastIndexOf(options.leftDelimiter), options);
        utils$1.addAttrs(attrs, tokens[i - 2]);
        const trimmed = content.slice(0, content.lastIndexOf(options.leftDelimiter));
        token.content = last$1(trimmed) !== ' ' ?
          trimmed : trimmed.slice(0, -1);
      }
    }, {
      /**
       * something with softbreak
       * {.cls}
       */
      name: '\n{.a} softbreak then curly in start',
      tests: [
        {
          shift: 0,
          type: 'inline',
          children: [
            {
              position: -2,
              type: 'softbreak'
            }, {
              position: -1,
              type: 'text',
              content: utils$1.hasDelimiters('only', options)
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const attrs = utils$1.getAttrs(token.content, 0, options);
        // find last closing tag
        let ii = i + 1;
        while (tokens[ii + 1] && tokens[ii + 1].nesting === -1) { ii++; }
        const openingToken = utils$1.getMatchingOpeningToken(tokens, ii);
        utils$1.addAttrs(attrs, openingToken);
        tokens[i].children = tokens[i].children.slice(0, -2);
      }
    }, {
      /**
       * horizontal rule --- {#id}
       */
      name: 'horizontal rule',
      tests: [
        {
          shift: 0,
          type: 'paragraph_open'
        },
        {
          shift: 1,
          type: 'inline',
          children: (arr) => arr.length === 1,
          content: (str) => str.match(__hr) !== null,
        },
        {
          shift: 2,
          type: 'paragraph_close'
        }
      ],
      transform: (tokens, i) => {
        const token = tokens[i];
        token.type = 'hr';
        token.tag = 'hr';
        token.nesting = 0;
        const content = tokens[i + 1].content;
        const start = content.lastIndexOf(options.leftDelimiter);
        const attrs = utils$1.getAttrs(content, start, options);
        utils$1.addAttrs(attrs, token);
        token.markup = content;
        tokens.splice(i + 1, 2);
      }
    }, {
      /**
       * end of {.block}
       */
      name: 'end of block',
      tests: [
        {
          shift: 0,
          type: 'inline',
          children: [
            {
              position: -1,
              content: utils$1.hasDelimiters('end', options),
              type: (t) => t !== 'code_inline' && t !== 'math_inline'
            }
          ]
        }
      ],
      transform: (tokens, i, j) => {
        const token = tokens[i].children[j];
        const content = token.content;
        const attrs = utils$1.getAttrs(content, content.lastIndexOf(options.leftDelimiter), options);
        let ii = i + 1;
        while (tokens[ii + 1] && tokens[ii + 1].nesting === -1) { ii++; }
        const openingToken = utils$1.getMatchingOpeningToken(tokens, ii);
        utils$1.addAttrs(attrs, openingToken);
        const trimmed = content.slice(0, content.lastIndexOf(options.leftDelimiter));
        token.content = last$1(trimmed) !== ' ' ?
          trimmed : trimmed.slice(0, -1);
      }
    }
  ]);
};

// get last element of array or string
function last$1(arr) {
  return arr.slice(-1)[0];
}

const patternsConfig = patterns;

const defaultOptions = {
  leftDelimiter: '{',
  rightDelimiter: '}',
  allowedAttributes: []
};

var markdownItAttrs = function attributes(md, options_) {
  let options = Object.assign({}, defaultOptions);
  options = Object.assign(options, options_);

  const patterns = patternsConfig(options);

  function curlyAttrs(state) {
    const tokens = state.tokens;

    for (let i = 0; i < tokens.length; i++) {
      for (let p = 0; p < patterns.length; p++) {
        const pattern = patterns[p];
        let j = null; // position of child with offset 0
        const match = pattern.tests.every(t => {
          const res = test(tokens, i, t);
          if (res.j !== null) { j = res.j; }
          return res.match;
        });
        if (match) {
          pattern.transform(tokens, i, j);
          if (pattern.name === 'inline attributes' || pattern.name === 'inline nesting 0') {
            // retry, may be several inline attributes
            p--;
          }
        }
      }
    }
  }

  md.core.ruler.before('linkify', 'curly_attributes', curlyAttrs);
};

/**
 * Test if t matches token stream.
 *
 * @param {array} tokens
 * @param {number} i
 * @param {object} t Test to match.
 * @return {object} { match: true|false, j: null|number }
 */
function test(tokens, i, t) {
  const res = {
    match: false,
    j: null  // position of child
  };

  const ii = t.shift !== undefined
    ? i + t.shift
    : t.position;

  if (t.shift !== undefined && ii < 0) {
    // we should never shift to negative indexes (rolling around to back of array)
    return res;
  }

  const token = get(tokens, ii);  // supports negative ii


  if (token === undefined) { return res; }

  for (const key of Object.keys(t)) {
    if (key === 'shift' || key === 'position') { continue; }

    if (token[key] === undefined) { return res; }

    if (key === 'children' && isArrayOfObjects(t.children)) {
      if (token.children.length === 0) {
        return res;
      }
      let match;
      const childTests = t.children;
      const children = token.children;
      if (childTests.every(tt => tt.position !== undefined)) {
        // positions instead of shifts, do not loop all children
        match = childTests.every(tt => test(children, tt.position, tt).match);
        if (match) {
          // we may need position of child in transform
          const j = last(childTests).position;
          res.j = j >= 0 ? j : children.length + j;
        }
      } else {
        for (let j = 0; j < children.length; j++) {
          match = childTests.every(tt => test(children, j, tt).match);
          if (match) {
            res.j = j;
            // all tests true, continue with next key of pattern t
            break;
          }
        }
      }

      if (match === false) { return res; }

      continue;
    }

    switch (typeof t[key]) {
    case 'boolean':
    case 'number':
    case 'string':
      if (token[key] !== t[key]) { return res; }
      break;
    case 'function':
      if (!t[key](token[key])) { return res; }
      break;
    case 'object':
      if (isArrayOfFunctions(t[key])) {
        const r = t[key].every(tt => tt(token[key]));
        if (r === false) { return res; }
        break;
      }
    // fall through for objects !== arrays of functions
    default:
      throw new Error(`Unknown type of pattern test (key: ${key}). Test should be of type boolean, number, string, function or array of functions.`);
    }
  }

  // no tests returned false -> all tests returns true
  res.match = true;
  return res;
}

function isArrayOfObjects(arr) {
  return Array.isArray(arr) && arr.length && arr.every(i => typeof i === 'object');
}

function isArrayOfFunctions(arr) {
  return Array.isArray(arr) && arr.length && arr.every(i => typeof i === 'function');
}

/**
 * Get n item of array. Supports negative n, where -1 is last
 * element in array.
 * @param {array} arr
 * @param {number} n
 */
function get(arr, n) {
  return n >= 0 ? arr[n] : arr[arr.length + n];
}

// get last element of array, safe - returns {} if not found
function last(arr) {
  return arr.slice(-1)[0] || {};
}

var attrsPlugin = /*@__PURE__*/getDefaultExportFromCjs(markdownItAttrs);

function emoji_html (tokens, idx /*, options, env */) {
  return tokens[idx].content
}

// Emojies & shortcuts replacement logic.
//
// Note: In theory, it could be faster to parse :smile: in inline chain and
// leave only shortcuts here. But, who care...
//
function create_rule (md, emojies, shortcuts, scanRE, replaceRE) {
  const arrayReplaceAt = md.utils.arrayReplaceAt;
  const ucm = md.utils.lib.ucmicro;
  const has = md.utils.has;
  const ZPCc = new RegExp([ucm.Z.source, ucm.P.source, ucm.Cc.source].join('|'));

  function splitTextToken (text, level, Token) {
    let last_pos = 0;
    const nodes = [];

    text.replace(replaceRE, function (match, offset, src) {
      let emoji_name;
      // Validate emoji name
      if (has(shortcuts, match)) {
        // replace shortcut with full name
        emoji_name = shortcuts[match];

        // Don't allow letters before any shortcut (as in no ":/" in http://)
        if (offset > 0 && !ZPCc.test(src[offset - 1])) return

        // Don't allow letters after any shortcut
        if (offset + match.length < src.length && !ZPCc.test(src[offset + match.length])) {
          return
        }
      } else {
        emoji_name = match.slice(1, -1);
      }

      // Add new tokens to pending list
      if (offset > last_pos) {
        const token = new Token('text', '', 0);
        token.content = text.slice(last_pos, offset);
        nodes.push(token);
      }

      const token = new Token('emoji', '', 0);
      token.markup = emoji_name;
      token.content = emojies[emoji_name];
      nodes.push(token);

      last_pos = offset + match.length;
    });

    if (last_pos < text.length) {
      const token = new Token('text', '', 0);
      token.content = text.slice(last_pos);
      nodes.push(token);
    }

    return nodes
  }

  return function emoji_replace (state) {
    let token;
    const blockTokens = state.tokens;
    let autolinkLevel = 0;

    for (let j = 0, l = blockTokens.length; j < l; j++) {
      if (blockTokens[j].type !== 'inline') { continue }
      let tokens = blockTokens[j].children;

      // We scan from the end, to keep position when new tags added.
      // Use reversed logic in links start/end match
      for (let i = tokens.length - 1; i >= 0; i--) {
        token = tokens[i];

        if (token.type === 'link_open' || token.type === 'link_close') {
          if (token.info === 'auto') { autolinkLevel -= token.nesting; }
        }

        if (token.type === 'text' && autolinkLevel === 0 && scanRE.test(token.content)) {
          // replace current node
          blockTokens[j].children = tokens = arrayReplaceAt(
            tokens, i, splitTextToken(token.content, token.level, state.Token)
          );
        }
      }
    }
  }
}

// Convert input options to more useable format
// and compile search regexp

function quoteRE (str) {
  return str.replace(/[.?*+^$[\]\\(){}|-]/g, '\\$&')
}

function normalize_opts (options) {
  let emojies = options.defs;

  // Filter emojies by whitelist, if needed
  if (options.enabled.length) {
    emojies = Object.keys(emojies).reduce((acc, key) => {
      if (options.enabled.indexOf(key) >= 0) acc[key] = emojies[key];
      return acc
    }, {});
  }

  // Flatten shortcuts to simple object: { alias: emoji_name }
  const shortcuts = Object.keys(options.shortcuts).reduce((acc, key) => {
    // Skip aliases for filtered emojies, to reduce regexp
    if (!emojies[key]) return acc

    if (Array.isArray(options.shortcuts[key])) {
      options.shortcuts[key].forEach(alias => { acc[alias] = key; });
      return acc
    }

    acc[options.shortcuts[key]] = key;
    return acc
  }, {});

  const keys = Object.keys(emojies);
  let names;

  // If no definitions are given, return empty regex to avoid replacements with 'undefined'.
  if (keys.length === 0) {
    names = '^$';
  } else {
    // Compile regexp
    names = keys
      .map(name => { return `:${name}:` })
      .concat(Object.keys(shortcuts))
      .sort()
      .reverse()
      .map(name => { return quoteRE(name) })
      .join('|');
  }
  const scanRE = RegExp(names);
  const replaceRE = RegExp(names, 'g');

  return {
    defs: emojies,
    shortcuts,
    scanRE,
    replaceRE
  }
}

function emoji_plugin$1 (md, options) {
  const defaults = {
    defs: {},
    shortcuts: {},
    enabled: []
  };

  const opts = normalize_opts(md.utils.assign({}, defaults, options || {}));

  md.renderer.rules.emoji = emoji_html;

  md.core.ruler.after(
    'linkify',
    'emoji',
    create_rule(md, opts.defs, opts.shortcuts, opts.scanRE, opts.replaceRE)
  );
}

// Emoticons -> Emoji mapping.
//
// (!) Some patterns skipped, to avoid collisions
// without increase matcher complicity. Than can change in future.
//
// Places to look for more emoticons info:
//
// - http://en.wikipedia.org/wiki/List_of_emoticons#Western
// - https://github.com/wooorm/emoticon/blob/master/Support.md
// - http://factoryjoe.com/projects/emoticons/
//

/* eslint-disable key-spacing */

var emojies_shortcuts = {
  angry:            ['>:(', '>:-('],
  blush:            [':")', ':-")'],
  broken_heart:     ['</3', '<\\3'],
  // :\ and :-\ not used because of conflict with markdown escaping
  confused:         [':/', ':-/'], // twemoji shows question
  cry:              [":'(", ":'-(", ':,(', ':,-('],
  frowning:         [':(', ':-('],
  heart:            ['<3'],
  imp:              [']:(', ']:-('],
  innocent:         ['o:)', 'O:)', 'o:-)', 'O:-)', '0:)', '0:-)'],
  joy:              [":')", ":'-)", ':,)', ':,-)', ":'D", ":'-D", ':,D', ':,-D'],
  kissing:          [':*', ':-*'],
  laughing:         ['x-)', 'X-)'],
  neutral_face:     [':|', ':-|'],
  open_mouth:       [':o', ':-o', ':O', ':-O'],
  rage:             [':@', ':-@'],
  smile:            [':D', ':-D'],
  smiley:           [':)', ':-)'],
  smiling_imp:      [']:)', ']:-)'],
  sob:              [":,'(", ":,'-(", ';(', ';-('],
  stuck_out_tongue: [':P', ':-P'],
  sunglasses:       ['8-)', 'B-)'],
  sweat:            [',:(', ',:-('],
  sweat_smile:      [',:)', ',:-)'],
  unamused:         [':s', ':-S', ':z', ':-Z', ':$', ':-$'],
  wink:             [';)', ';-)']
};

// Generated, don't edit
var emojies_defs = {
  "100": "💯",
  "1234": "🔢",
  "grinning": "😀",
  "smiley": "😃",
  "smile": "😄",
  "grin": "😁",
  "laughing": "😆",
  "satisfied": "😆",
  "sweat_smile": "😅",
  "rofl": "🤣",
  "joy": "😂",
  "slightly_smiling_face": "🙂",
  "upside_down_face": "🙃",
  "melting_face": "🫠",
  "wink": "😉",
  "blush": "😊",
  "innocent": "😇",
  "smiling_face_with_three_hearts": "🥰",
  "heart_eyes": "😍",
  "star_struck": "🤩",
  "kissing_heart": "😘",
  "kissing": "😗",
  "relaxed": "☺️",
  "kissing_closed_eyes": "😚",
  "kissing_smiling_eyes": "😙",
  "smiling_face_with_tear": "🥲",
  "yum": "😋",
  "stuck_out_tongue": "😛",
  "stuck_out_tongue_winking_eye": "😜",
  "zany_face": "🤪",
  "stuck_out_tongue_closed_eyes": "😝",
  "money_mouth_face": "🤑",
  "hugs": "🤗",
  "hand_over_mouth": "🤭",
  "face_with_open_eyes_and_hand_over_mouth": "🫢",
  "face_with_peeking_eye": "🫣",
  "shushing_face": "🤫",
  "thinking": "🤔",
  "saluting_face": "🫡",
  "zipper_mouth_face": "🤐",
  "raised_eyebrow": "🤨",
  "neutral_face": "😐",
  "expressionless": "😑",
  "no_mouth": "😶",
  "dotted_line_face": "🫥",
  "face_in_clouds": "😶‍🌫️",
  "smirk": "😏",
  "unamused": "😒",
  "roll_eyes": "🙄",
  "grimacing": "😬",
  "face_exhaling": "😮‍💨",
  "lying_face": "🤥",
  "shaking_face": "🫨",
  "relieved": "😌",
  "pensive": "😔",
  "sleepy": "😪",
  "drooling_face": "🤤",
  "sleeping": "😴",
  "mask": "😷",
  "face_with_thermometer": "🤒",
  "face_with_head_bandage": "🤕",
  "nauseated_face": "🤢",
  "vomiting_face": "🤮",
  "sneezing_face": "🤧",
  "hot_face": "🥵",
  "cold_face": "🥶",
  "woozy_face": "🥴",
  "dizzy_face": "😵",
  "face_with_spiral_eyes": "😵‍💫",
  "exploding_head": "🤯",
  "cowboy_hat_face": "🤠",
  "partying_face": "🥳",
  "disguised_face": "🥸",
  "sunglasses": "😎",
  "nerd_face": "🤓",
  "monocle_face": "🧐",
  "confused": "😕",
  "face_with_diagonal_mouth": "🫤",
  "worried": "😟",
  "slightly_frowning_face": "🙁",
  "frowning_face": "☹️",
  "open_mouth": "😮",
  "hushed": "😯",
  "astonished": "😲",
  "flushed": "😳",
  "pleading_face": "🥺",
  "face_holding_back_tears": "🥹",
  "frowning": "😦",
  "anguished": "😧",
  "fearful": "😨",
  "cold_sweat": "😰",
  "disappointed_relieved": "😥",
  "cry": "😢",
  "sob": "😭",
  "scream": "😱",
  "confounded": "😖",
  "persevere": "😣",
  "disappointed": "😞",
  "sweat": "😓",
  "weary": "😩",
  "tired_face": "😫",
  "yawning_face": "🥱",
  "triumph": "😤",
  "rage": "😡",
  "pout": "😡",
  "angry": "😠",
  "cursing_face": "🤬",
  "smiling_imp": "😈",
  "imp": "👿",
  "skull": "💀",
  "skull_and_crossbones": "☠️",
  "hankey": "💩",
  "poop": "💩",
  "shit": "💩",
  "clown_face": "🤡",
  "japanese_ogre": "👹",
  "japanese_goblin": "👺",
  "ghost": "👻",
  "alien": "👽",
  "space_invader": "👾",
  "robot": "🤖",
  "smiley_cat": "😺",
  "smile_cat": "😸",
  "joy_cat": "😹",
  "heart_eyes_cat": "😻",
  "smirk_cat": "😼",
  "kissing_cat": "😽",
  "scream_cat": "🙀",
  "crying_cat_face": "😿",
  "pouting_cat": "😾",
  "see_no_evil": "🙈",
  "hear_no_evil": "🙉",
  "speak_no_evil": "🙊",
  "love_letter": "💌",
  "cupid": "💘",
  "gift_heart": "💝",
  "sparkling_heart": "💖",
  "heartpulse": "💗",
  "heartbeat": "💓",
  "revolving_hearts": "💞",
  "two_hearts": "💕",
  "heart_decoration": "💟",
  "heavy_heart_exclamation": "❣️",
  "broken_heart": "💔",
  "heart_on_fire": "❤️‍🔥",
  "mending_heart": "❤️‍🩹",
  "heart": "❤️",
  "pink_heart": "🩷",
  "orange_heart": "🧡",
  "yellow_heart": "💛",
  "green_heart": "💚",
  "blue_heart": "💙",
  "light_blue_heart": "🩵",
  "purple_heart": "💜",
  "brown_heart": "🤎",
  "black_heart": "🖤",
  "grey_heart": "🩶",
  "white_heart": "🤍",
  "kiss": "💋",
  "anger": "💢",
  "boom": "💥",
  "collision": "💥",
  "dizzy": "💫",
  "sweat_drops": "💦",
  "dash": "💨",
  "hole": "🕳️",
  "speech_balloon": "💬",
  "eye_speech_bubble": "👁️‍🗨️",
  "left_speech_bubble": "🗨️",
  "right_anger_bubble": "🗯️",
  "thought_balloon": "💭",
  "zzz": "💤",
  "wave": "👋",
  "raised_back_of_hand": "🤚",
  "raised_hand_with_fingers_splayed": "🖐️",
  "hand": "✋",
  "raised_hand": "✋",
  "vulcan_salute": "🖖",
  "rightwards_hand": "🫱",
  "leftwards_hand": "🫲",
  "palm_down_hand": "🫳",
  "palm_up_hand": "🫴",
  "leftwards_pushing_hand": "🫷",
  "rightwards_pushing_hand": "🫸",
  "ok_hand": "👌",
  "pinched_fingers": "🤌",
  "pinching_hand": "🤏",
  "v": "✌️",
  "crossed_fingers": "🤞",
  "hand_with_index_finger_and_thumb_crossed": "🫰",
  "love_you_gesture": "🤟",
  "metal": "🤘",
  "call_me_hand": "🤙",
  "point_left": "👈",
  "point_right": "👉",
  "point_up_2": "👆",
  "middle_finger": "🖕",
  "fu": "🖕",
  "point_down": "👇",
  "point_up": "☝️",
  "index_pointing_at_the_viewer": "🫵",
  "+1": "👍",
  "thumbsup": "👍",
  "-1": "👎",
  "thumbsdown": "👎",
  "fist_raised": "✊",
  "fist": "✊",
  "fist_oncoming": "👊",
  "facepunch": "👊",
  "punch": "👊",
  "fist_left": "🤛",
  "fist_right": "🤜",
  "clap": "👏",
  "raised_hands": "🙌",
  "heart_hands": "🫶",
  "open_hands": "👐",
  "palms_up_together": "🤲",
  "handshake": "🤝",
  "pray": "🙏",
  "writing_hand": "✍️",
  "nail_care": "💅",
  "selfie": "🤳",
  "muscle": "💪",
  "mechanical_arm": "🦾",
  "mechanical_leg": "🦿",
  "leg": "🦵",
  "foot": "🦶",
  "ear": "👂",
  "ear_with_hearing_aid": "🦻",
  "nose": "👃",
  "brain": "🧠",
  "anatomical_heart": "🫀",
  "lungs": "🫁",
  "tooth": "🦷",
  "bone": "🦴",
  "eyes": "👀",
  "eye": "👁️",
  "tongue": "👅",
  "lips": "👄",
  "biting_lip": "🫦",
  "baby": "👶",
  "child": "🧒",
  "boy": "👦",
  "girl": "👧",
  "adult": "🧑",
  "blond_haired_person": "👱",
  "man": "👨",
  "bearded_person": "🧔",
  "man_beard": "🧔‍♂️",
  "woman_beard": "🧔‍♀️",
  "red_haired_man": "👨‍🦰",
  "curly_haired_man": "👨‍🦱",
  "white_haired_man": "👨‍🦳",
  "bald_man": "👨‍🦲",
  "woman": "👩",
  "red_haired_woman": "👩‍🦰",
  "person_red_hair": "🧑‍🦰",
  "curly_haired_woman": "👩‍🦱",
  "person_curly_hair": "🧑‍🦱",
  "white_haired_woman": "👩‍🦳",
  "person_white_hair": "🧑‍🦳",
  "bald_woman": "👩‍🦲",
  "person_bald": "🧑‍🦲",
  "blond_haired_woman": "👱‍♀️",
  "blonde_woman": "👱‍♀️",
  "blond_haired_man": "👱‍♂️",
  "older_adult": "🧓",
  "older_man": "👴",
  "older_woman": "👵",
  "frowning_person": "🙍",
  "frowning_man": "🙍‍♂️",
  "frowning_woman": "🙍‍♀️",
  "pouting_face": "🙎",
  "pouting_man": "🙎‍♂️",
  "pouting_woman": "🙎‍♀️",
  "no_good": "🙅",
  "no_good_man": "🙅‍♂️",
  "ng_man": "🙅‍♂️",
  "no_good_woman": "🙅‍♀️",
  "ng_woman": "🙅‍♀️",
  "ok_person": "🙆",
  "ok_man": "🙆‍♂️",
  "ok_woman": "🙆‍♀️",
  "tipping_hand_person": "💁",
  "information_desk_person": "💁",
  "tipping_hand_man": "💁‍♂️",
  "sassy_man": "💁‍♂️",
  "tipping_hand_woman": "💁‍♀️",
  "sassy_woman": "💁‍♀️",
  "raising_hand": "🙋",
  "raising_hand_man": "🙋‍♂️",
  "raising_hand_woman": "🙋‍♀️",
  "deaf_person": "🧏",
  "deaf_man": "🧏‍♂️",
  "deaf_woman": "🧏‍♀️",
  "bow": "🙇",
  "bowing_man": "🙇‍♂️",
  "bowing_woman": "🙇‍♀️",
  "facepalm": "🤦",
  "man_facepalming": "🤦‍♂️",
  "woman_facepalming": "🤦‍♀️",
  "shrug": "🤷",
  "man_shrugging": "🤷‍♂️",
  "woman_shrugging": "🤷‍♀️",
  "health_worker": "🧑‍⚕️",
  "man_health_worker": "👨‍⚕️",
  "woman_health_worker": "👩‍⚕️",
  "student": "🧑‍🎓",
  "man_student": "👨‍🎓",
  "woman_student": "👩‍🎓",
  "teacher": "🧑‍🏫",
  "man_teacher": "👨‍🏫",
  "woman_teacher": "👩‍🏫",
  "judge": "🧑‍⚖️",
  "man_judge": "👨‍⚖️",
  "woman_judge": "👩‍⚖️",
  "farmer": "🧑‍🌾",
  "man_farmer": "👨‍🌾",
  "woman_farmer": "👩‍🌾",
  "cook": "🧑‍🍳",
  "man_cook": "👨‍🍳",
  "woman_cook": "👩‍🍳",
  "mechanic": "🧑‍🔧",
  "man_mechanic": "👨‍🔧",
  "woman_mechanic": "👩‍🔧",
  "factory_worker": "🧑‍🏭",
  "man_factory_worker": "👨‍🏭",
  "woman_factory_worker": "👩‍🏭",
  "office_worker": "🧑‍💼",
  "man_office_worker": "👨‍💼",
  "woman_office_worker": "👩‍💼",
  "scientist": "🧑‍🔬",
  "man_scientist": "👨‍🔬",
  "woman_scientist": "👩‍🔬",
  "technologist": "🧑‍💻",
  "man_technologist": "👨‍💻",
  "woman_technologist": "👩‍💻",
  "singer": "🧑‍🎤",
  "man_singer": "👨‍🎤",
  "woman_singer": "👩‍🎤",
  "artist": "🧑‍🎨",
  "man_artist": "👨‍🎨",
  "woman_artist": "👩‍🎨",
  "pilot": "🧑‍✈️",
  "man_pilot": "👨‍✈️",
  "woman_pilot": "👩‍✈️",
  "astronaut": "🧑‍🚀",
  "man_astronaut": "👨‍🚀",
  "woman_astronaut": "👩‍🚀",
  "firefighter": "🧑‍🚒",
  "man_firefighter": "👨‍🚒",
  "woman_firefighter": "👩‍🚒",
  "police_officer": "👮",
  "cop": "👮",
  "policeman": "👮‍♂️",
  "policewoman": "👮‍♀️",
  "detective": "🕵️",
  "male_detective": "🕵️‍♂️",
  "female_detective": "🕵️‍♀️",
  "guard": "💂",
  "guardsman": "💂‍♂️",
  "guardswoman": "💂‍♀️",
  "ninja": "🥷",
  "construction_worker": "👷",
  "construction_worker_man": "👷‍♂️",
  "construction_worker_woman": "👷‍♀️",
  "person_with_crown": "🫅",
  "prince": "🤴",
  "princess": "👸",
  "person_with_turban": "👳",
  "man_with_turban": "👳‍♂️",
  "woman_with_turban": "👳‍♀️",
  "man_with_gua_pi_mao": "👲",
  "woman_with_headscarf": "🧕",
  "person_in_tuxedo": "🤵",
  "man_in_tuxedo": "🤵‍♂️",
  "woman_in_tuxedo": "🤵‍♀️",
  "person_with_veil": "👰",
  "man_with_veil": "👰‍♂️",
  "woman_with_veil": "👰‍♀️",
  "bride_with_veil": "👰‍♀️",
  "pregnant_woman": "🤰",
  "pregnant_man": "🫃",
  "pregnant_person": "🫄",
  "breast_feeding": "🤱",
  "woman_feeding_baby": "👩‍🍼",
  "man_feeding_baby": "👨‍🍼",
  "person_feeding_baby": "🧑‍🍼",
  "angel": "👼",
  "santa": "🎅",
  "mrs_claus": "🤶",
  "mx_claus": "🧑‍🎄",
  "superhero": "🦸",
  "superhero_man": "🦸‍♂️",
  "superhero_woman": "🦸‍♀️",
  "supervillain": "🦹",
  "supervillain_man": "🦹‍♂️",
  "supervillain_woman": "🦹‍♀️",
  "mage": "🧙",
  "mage_man": "🧙‍♂️",
  "mage_woman": "🧙‍♀️",
  "fairy": "🧚",
  "fairy_man": "🧚‍♂️",
  "fairy_woman": "🧚‍♀️",
  "vampire": "🧛",
  "vampire_man": "🧛‍♂️",
  "vampire_woman": "🧛‍♀️",
  "merperson": "🧜",
  "merman": "🧜‍♂️",
  "mermaid": "🧜‍♀️",
  "elf": "🧝",
  "elf_man": "🧝‍♂️",
  "elf_woman": "🧝‍♀️",
  "genie": "🧞",
  "genie_man": "🧞‍♂️",
  "genie_woman": "🧞‍♀️",
  "zombie": "🧟",
  "zombie_man": "🧟‍♂️",
  "zombie_woman": "🧟‍♀️",
  "troll": "🧌",
  "massage": "💆",
  "massage_man": "💆‍♂️",
  "massage_woman": "💆‍♀️",
  "haircut": "💇",
  "haircut_man": "💇‍♂️",
  "haircut_woman": "💇‍♀️",
  "walking": "🚶",
  "walking_man": "🚶‍♂️",
  "walking_woman": "🚶‍♀️",
  "standing_person": "🧍",
  "standing_man": "🧍‍♂️",
  "standing_woman": "🧍‍♀️",
  "kneeling_person": "🧎",
  "kneeling_man": "🧎‍♂️",
  "kneeling_woman": "🧎‍♀️",
  "person_with_probing_cane": "🧑‍🦯",
  "man_with_probing_cane": "👨‍🦯",
  "woman_with_probing_cane": "👩‍🦯",
  "person_in_motorized_wheelchair": "🧑‍🦼",
  "man_in_motorized_wheelchair": "👨‍🦼",
  "woman_in_motorized_wheelchair": "👩‍🦼",
  "person_in_manual_wheelchair": "🧑‍🦽",
  "man_in_manual_wheelchair": "👨‍🦽",
  "woman_in_manual_wheelchair": "👩‍🦽",
  "runner": "🏃",
  "running": "🏃",
  "running_man": "🏃‍♂️",
  "running_woman": "🏃‍♀️",
  "woman_dancing": "💃",
  "dancer": "💃",
  "man_dancing": "🕺",
  "business_suit_levitating": "🕴️",
  "dancers": "👯",
  "dancing_men": "👯‍♂️",
  "dancing_women": "👯‍♀️",
  "sauna_person": "🧖",
  "sauna_man": "🧖‍♂️",
  "sauna_woman": "🧖‍♀️",
  "climbing": "🧗",
  "climbing_man": "🧗‍♂️",
  "climbing_woman": "🧗‍♀️",
  "person_fencing": "🤺",
  "horse_racing": "🏇",
  "skier": "⛷️",
  "snowboarder": "🏂",
  "golfing": "🏌️",
  "golfing_man": "🏌️‍♂️",
  "golfing_woman": "🏌️‍♀️",
  "surfer": "🏄",
  "surfing_man": "🏄‍♂️",
  "surfing_woman": "🏄‍♀️",
  "rowboat": "🚣",
  "rowing_man": "🚣‍♂️",
  "rowing_woman": "🚣‍♀️",
  "swimmer": "🏊",
  "swimming_man": "🏊‍♂️",
  "swimming_woman": "🏊‍♀️",
  "bouncing_ball_person": "⛹️",
  "bouncing_ball_man": "⛹️‍♂️",
  "basketball_man": "⛹️‍♂️",
  "bouncing_ball_woman": "⛹️‍♀️",
  "basketball_woman": "⛹️‍♀️",
  "weight_lifting": "🏋️",
  "weight_lifting_man": "🏋️‍♂️",
  "weight_lifting_woman": "🏋️‍♀️",
  "bicyclist": "🚴",
  "biking_man": "🚴‍♂️",
  "biking_woman": "🚴‍♀️",
  "mountain_bicyclist": "🚵",
  "mountain_biking_man": "🚵‍♂️",
  "mountain_biking_woman": "🚵‍♀️",
  "cartwheeling": "🤸",
  "man_cartwheeling": "🤸‍♂️",
  "woman_cartwheeling": "🤸‍♀️",
  "wrestling": "🤼",
  "men_wrestling": "🤼‍♂️",
  "women_wrestling": "🤼‍♀️",
  "water_polo": "🤽",
  "man_playing_water_polo": "🤽‍♂️",
  "woman_playing_water_polo": "🤽‍♀️",
  "handball_person": "🤾",
  "man_playing_handball": "🤾‍♂️",
  "woman_playing_handball": "🤾‍♀️",
  "juggling_person": "🤹",
  "man_juggling": "🤹‍♂️",
  "woman_juggling": "🤹‍♀️",
  "lotus_position": "🧘",
  "lotus_position_man": "🧘‍♂️",
  "lotus_position_woman": "🧘‍♀️",
  "bath": "🛀",
  "sleeping_bed": "🛌",
  "people_holding_hands": "🧑‍🤝‍🧑",
  "two_women_holding_hands": "👭",
  "couple": "👫",
  "two_men_holding_hands": "👬",
  "couplekiss": "💏",
  "couplekiss_man_woman": "👩‍❤️‍💋‍👨",
  "couplekiss_man_man": "👨‍❤️‍💋‍👨",
  "couplekiss_woman_woman": "👩‍❤️‍💋‍👩",
  "couple_with_heart": "💑",
  "couple_with_heart_woman_man": "👩‍❤️‍👨",
  "couple_with_heart_man_man": "👨‍❤️‍👨",
  "couple_with_heart_woman_woman": "👩‍❤️‍👩",
  "family": "👪",
  "family_man_woman_boy": "👨‍👩‍👦",
  "family_man_woman_girl": "👨‍👩‍👧",
  "family_man_woman_girl_boy": "👨‍👩‍👧‍👦",
  "family_man_woman_boy_boy": "👨‍👩‍👦‍👦",
  "family_man_woman_girl_girl": "👨‍👩‍👧‍👧",
  "family_man_man_boy": "👨‍👨‍👦",
  "family_man_man_girl": "👨‍👨‍👧",
  "family_man_man_girl_boy": "👨‍👨‍👧‍👦",
  "family_man_man_boy_boy": "👨‍👨‍👦‍👦",
  "family_man_man_girl_girl": "👨‍👨‍👧‍👧",
  "family_woman_woman_boy": "👩‍👩‍👦",
  "family_woman_woman_girl": "👩‍👩‍👧",
  "family_woman_woman_girl_boy": "👩‍👩‍👧‍👦",
  "family_woman_woman_boy_boy": "👩‍👩‍👦‍👦",
  "family_woman_woman_girl_girl": "👩‍👩‍👧‍👧",
  "family_man_boy": "👨‍👦",
  "family_man_boy_boy": "👨‍👦‍👦",
  "family_man_girl": "👨‍👧",
  "family_man_girl_boy": "👨‍👧‍👦",
  "family_man_girl_girl": "👨‍👧‍👧",
  "family_woman_boy": "👩‍👦",
  "family_woman_boy_boy": "👩‍👦‍👦",
  "family_woman_girl": "👩‍👧",
  "family_woman_girl_boy": "👩‍👧‍👦",
  "family_woman_girl_girl": "👩‍👧‍👧",
  "speaking_head": "🗣️",
  "bust_in_silhouette": "👤",
  "busts_in_silhouette": "👥",
  "people_hugging": "🫂",
  "footprints": "👣",
  "monkey_face": "🐵",
  "monkey": "🐒",
  "gorilla": "🦍",
  "orangutan": "🦧",
  "dog": "🐶",
  "dog2": "🐕",
  "guide_dog": "🦮",
  "service_dog": "🐕‍🦺",
  "poodle": "🐩",
  "wolf": "🐺",
  "fox_face": "🦊",
  "raccoon": "🦝",
  "cat": "🐱",
  "cat2": "🐈",
  "black_cat": "🐈‍⬛",
  "lion": "🦁",
  "tiger": "🐯",
  "tiger2": "🐅",
  "leopard": "🐆",
  "horse": "🐴",
  "moose": "🫎",
  "donkey": "🫏",
  "racehorse": "🐎",
  "unicorn": "🦄",
  "zebra": "🦓",
  "deer": "🦌",
  "bison": "🦬",
  "cow": "🐮",
  "ox": "🐂",
  "water_buffalo": "🐃",
  "cow2": "🐄",
  "pig": "🐷",
  "pig2": "🐖",
  "boar": "🐗",
  "pig_nose": "🐽",
  "ram": "🐏",
  "sheep": "🐑",
  "goat": "🐐",
  "dromedary_camel": "🐪",
  "camel": "🐫",
  "llama": "🦙",
  "giraffe": "🦒",
  "elephant": "🐘",
  "mammoth": "🦣",
  "rhinoceros": "🦏",
  "hippopotamus": "🦛",
  "mouse": "🐭",
  "mouse2": "🐁",
  "rat": "🐀",
  "hamster": "🐹",
  "rabbit": "🐰",
  "rabbit2": "🐇",
  "chipmunk": "🐿️",
  "beaver": "🦫",
  "hedgehog": "🦔",
  "bat": "🦇",
  "bear": "🐻",
  "polar_bear": "🐻‍❄️",
  "koala": "🐨",
  "panda_face": "🐼",
  "sloth": "🦥",
  "otter": "🦦",
  "skunk": "🦨",
  "kangaroo": "🦘",
  "badger": "🦡",
  "feet": "🐾",
  "paw_prints": "🐾",
  "turkey": "🦃",
  "chicken": "🐔",
  "rooster": "🐓",
  "hatching_chick": "🐣",
  "baby_chick": "🐤",
  "hatched_chick": "🐥",
  "bird": "🐦",
  "penguin": "🐧",
  "dove": "🕊️",
  "eagle": "🦅",
  "duck": "🦆",
  "swan": "🦢",
  "owl": "🦉",
  "dodo": "🦤",
  "feather": "🪶",
  "flamingo": "🦩",
  "peacock": "🦚",
  "parrot": "🦜",
  "wing": "🪽",
  "black_bird": "🐦‍⬛",
  "goose": "🪿",
  "frog": "🐸",
  "crocodile": "🐊",
  "turtle": "🐢",
  "lizard": "🦎",
  "snake": "🐍",
  "dragon_face": "🐲",
  "dragon": "🐉",
  "sauropod": "🦕",
  "t-rex": "🦖",
  "whale": "🐳",
  "whale2": "🐋",
  "dolphin": "🐬",
  "flipper": "🐬",
  "seal": "🦭",
  "fish": "🐟",
  "tropical_fish": "🐠",
  "blowfish": "🐡",
  "shark": "🦈",
  "octopus": "🐙",
  "shell": "🐚",
  "coral": "🪸",
  "jellyfish": "🪼",
  "snail": "🐌",
  "butterfly": "🦋",
  "bug": "🐛",
  "ant": "🐜",
  "bee": "🐝",
  "honeybee": "🐝",
  "beetle": "🪲",
  "lady_beetle": "🐞",
  "cricket": "🦗",
  "cockroach": "🪳",
  "spider": "🕷️",
  "spider_web": "🕸️",
  "scorpion": "🦂",
  "mosquito": "🦟",
  "fly": "🪰",
  "worm": "🪱",
  "microbe": "🦠",
  "bouquet": "💐",
  "cherry_blossom": "🌸",
  "white_flower": "💮",
  "lotus": "🪷",
  "rosette": "🏵️",
  "rose": "🌹",
  "wilted_flower": "🥀",
  "hibiscus": "🌺",
  "sunflower": "🌻",
  "blossom": "🌼",
  "tulip": "🌷",
  "hyacinth": "🪻",
  "seedling": "🌱",
  "potted_plant": "🪴",
  "evergreen_tree": "🌲",
  "deciduous_tree": "🌳",
  "palm_tree": "🌴",
  "cactus": "🌵",
  "ear_of_rice": "🌾",
  "herb": "🌿",
  "shamrock": "☘️",
  "four_leaf_clover": "🍀",
  "maple_leaf": "🍁",
  "fallen_leaf": "🍂",
  "leaves": "🍃",
  "empty_nest": "🪹",
  "nest_with_eggs": "🪺",
  "mushroom": "🍄",
  "grapes": "🍇",
  "melon": "🍈",
  "watermelon": "🍉",
  "tangerine": "🍊",
  "orange": "🍊",
  "mandarin": "🍊",
  "lemon": "🍋",
  "banana": "🍌",
  "pineapple": "🍍",
  "mango": "🥭",
  "apple": "🍎",
  "green_apple": "🍏",
  "pear": "🍐",
  "peach": "🍑",
  "cherries": "🍒",
  "strawberry": "🍓",
  "blueberries": "🫐",
  "kiwi_fruit": "🥝",
  "tomato": "🍅",
  "olive": "🫒",
  "coconut": "🥥",
  "avocado": "🥑",
  "eggplant": "🍆",
  "potato": "🥔",
  "carrot": "🥕",
  "corn": "🌽",
  "hot_pepper": "🌶️",
  "bell_pepper": "🫑",
  "cucumber": "🥒",
  "leafy_green": "🥬",
  "broccoli": "🥦",
  "garlic": "🧄",
  "onion": "🧅",
  "peanuts": "🥜",
  "beans": "🫘",
  "chestnut": "🌰",
  "ginger_root": "🫚",
  "pea_pod": "🫛",
  "bread": "🍞",
  "croissant": "🥐",
  "baguette_bread": "🥖",
  "flatbread": "🫓",
  "pretzel": "🥨",
  "bagel": "🥯",
  "pancakes": "🥞",
  "waffle": "🧇",
  "cheese": "🧀",
  "meat_on_bone": "🍖",
  "poultry_leg": "🍗",
  "cut_of_meat": "🥩",
  "bacon": "🥓",
  "hamburger": "🍔",
  "fries": "🍟",
  "pizza": "🍕",
  "hotdog": "🌭",
  "sandwich": "🥪",
  "taco": "🌮",
  "burrito": "🌯",
  "tamale": "🫔",
  "stuffed_flatbread": "🥙",
  "falafel": "🧆",
  "egg": "🥚",
  "fried_egg": "🍳",
  "shallow_pan_of_food": "🥘",
  "stew": "🍲",
  "fondue": "🫕",
  "bowl_with_spoon": "🥣",
  "green_salad": "🥗",
  "popcorn": "🍿",
  "butter": "🧈",
  "salt": "🧂",
  "canned_food": "🥫",
  "bento": "🍱",
  "rice_cracker": "🍘",
  "rice_ball": "🍙",
  "rice": "🍚",
  "curry": "🍛",
  "ramen": "🍜",
  "spaghetti": "🍝",
  "sweet_potato": "🍠",
  "oden": "🍢",
  "sushi": "🍣",
  "fried_shrimp": "🍤",
  "fish_cake": "🍥",
  "moon_cake": "🥮",
  "dango": "🍡",
  "dumpling": "🥟",
  "fortune_cookie": "🥠",
  "takeout_box": "🥡",
  "crab": "🦀",
  "lobster": "🦞",
  "shrimp": "🦐",
  "squid": "🦑",
  "oyster": "🦪",
  "icecream": "🍦",
  "shaved_ice": "🍧",
  "ice_cream": "🍨",
  "doughnut": "🍩",
  "cookie": "🍪",
  "birthday": "🎂",
  "cake": "🍰",
  "cupcake": "🧁",
  "pie": "🥧",
  "chocolate_bar": "🍫",
  "candy": "🍬",
  "lollipop": "🍭",
  "custard": "🍮",
  "honey_pot": "🍯",
  "baby_bottle": "🍼",
  "milk_glass": "🥛",
  "coffee": "☕",
  "teapot": "🫖",
  "tea": "🍵",
  "sake": "🍶",
  "champagne": "🍾",
  "wine_glass": "🍷",
  "cocktail": "🍸",
  "tropical_drink": "🍹",
  "beer": "🍺",
  "beers": "🍻",
  "clinking_glasses": "🥂",
  "tumbler_glass": "🥃",
  "pouring_liquid": "🫗",
  "cup_with_straw": "🥤",
  "bubble_tea": "🧋",
  "beverage_box": "🧃",
  "mate": "🧉",
  "ice_cube": "🧊",
  "chopsticks": "🥢",
  "plate_with_cutlery": "🍽️",
  "fork_and_knife": "🍴",
  "spoon": "🥄",
  "hocho": "🔪",
  "knife": "🔪",
  "jar": "🫙",
  "amphora": "🏺",
  "earth_africa": "🌍",
  "earth_americas": "🌎",
  "earth_asia": "🌏",
  "globe_with_meridians": "🌐",
  "world_map": "🗺️",
  "japan": "🗾",
  "compass": "🧭",
  "mountain_snow": "🏔️",
  "mountain": "⛰️",
  "volcano": "🌋",
  "mount_fuji": "🗻",
  "camping": "🏕️",
  "beach_umbrella": "🏖️",
  "desert": "🏜️",
  "desert_island": "🏝️",
  "national_park": "🏞️",
  "stadium": "🏟️",
  "classical_building": "🏛️",
  "building_construction": "🏗️",
  "bricks": "🧱",
  "rock": "🪨",
  "wood": "🪵",
  "hut": "🛖",
  "houses": "🏘️",
  "derelict_house": "🏚️",
  "house": "🏠",
  "house_with_garden": "🏡",
  "office": "🏢",
  "post_office": "🏣",
  "european_post_office": "🏤",
  "hospital": "🏥",
  "bank": "🏦",
  "hotel": "🏨",
  "love_hotel": "🏩",
  "convenience_store": "🏪",
  "school": "🏫",
  "department_store": "🏬",
  "factory": "🏭",
  "japanese_castle": "🏯",
  "european_castle": "🏰",
  "wedding": "💒",
  "tokyo_tower": "🗼",
  "statue_of_liberty": "🗽",
  "church": "⛪",
  "mosque": "🕌",
  "hindu_temple": "🛕",
  "synagogue": "🕍",
  "shinto_shrine": "⛩️",
  "kaaba": "🕋",
  "fountain": "⛲",
  "tent": "⛺",
  "foggy": "🌁",
  "night_with_stars": "🌃",
  "cityscape": "🏙️",
  "sunrise_over_mountains": "🌄",
  "sunrise": "🌅",
  "city_sunset": "🌆",
  "city_sunrise": "🌇",
  "bridge_at_night": "🌉",
  "hotsprings": "♨️",
  "carousel_horse": "🎠",
  "playground_slide": "🛝",
  "ferris_wheel": "🎡",
  "roller_coaster": "🎢",
  "barber": "💈",
  "circus_tent": "🎪",
  "steam_locomotive": "🚂",
  "railway_car": "🚃",
  "bullettrain_side": "🚄",
  "bullettrain_front": "🚅",
  "train2": "🚆",
  "metro": "🚇",
  "light_rail": "🚈",
  "station": "🚉",
  "tram": "🚊",
  "monorail": "🚝",
  "mountain_railway": "🚞",
  "train": "🚋",
  "bus": "🚌",
  "oncoming_bus": "🚍",
  "trolleybus": "🚎",
  "minibus": "🚐",
  "ambulance": "🚑",
  "fire_engine": "🚒",
  "police_car": "🚓",
  "oncoming_police_car": "🚔",
  "taxi": "🚕",
  "oncoming_taxi": "🚖",
  "car": "🚗",
  "red_car": "🚗",
  "oncoming_automobile": "🚘",
  "blue_car": "🚙",
  "pickup_truck": "🛻",
  "truck": "🚚",
  "articulated_lorry": "🚛",
  "tractor": "🚜",
  "racing_car": "🏎️",
  "motorcycle": "🏍️",
  "motor_scooter": "🛵",
  "manual_wheelchair": "🦽",
  "motorized_wheelchair": "🦼",
  "auto_rickshaw": "🛺",
  "bike": "🚲",
  "kick_scooter": "🛴",
  "skateboard": "🛹",
  "roller_skate": "🛼",
  "busstop": "🚏",
  "motorway": "🛣️",
  "railway_track": "🛤️",
  "oil_drum": "🛢️",
  "fuelpump": "⛽",
  "wheel": "🛞",
  "rotating_light": "🚨",
  "traffic_light": "🚥",
  "vertical_traffic_light": "🚦",
  "stop_sign": "🛑",
  "construction": "🚧",
  "anchor": "⚓",
  "ring_buoy": "🛟",
  "boat": "⛵",
  "sailboat": "⛵",
  "canoe": "🛶",
  "speedboat": "🚤",
  "passenger_ship": "🛳️",
  "ferry": "⛴️",
  "motor_boat": "🛥️",
  "ship": "🚢",
  "airplane": "✈️",
  "small_airplane": "🛩️",
  "flight_departure": "🛫",
  "flight_arrival": "🛬",
  "parachute": "🪂",
  "seat": "💺",
  "helicopter": "🚁",
  "suspension_railway": "🚟",
  "mountain_cableway": "🚠",
  "aerial_tramway": "🚡",
  "artificial_satellite": "🛰️",
  "rocket": "🚀",
  "flying_saucer": "🛸",
  "bellhop_bell": "🛎️",
  "luggage": "🧳",
  "hourglass": "⌛",
  "hourglass_flowing_sand": "⏳",
  "watch": "⌚",
  "alarm_clock": "⏰",
  "stopwatch": "⏱️",
  "timer_clock": "⏲️",
  "mantelpiece_clock": "🕰️",
  "clock12": "🕛",
  "clock1230": "🕧",
  "clock1": "🕐",
  "clock130": "🕜",
  "clock2": "🕑",
  "clock230": "🕝",
  "clock3": "🕒",
  "clock330": "🕞",
  "clock4": "🕓",
  "clock430": "🕟",
  "clock5": "🕔",
  "clock530": "🕠",
  "clock6": "🕕",
  "clock630": "🕡",
  "clock7": "🕖",
  "clock730": "🕢",
  "clock8": "🕗",
  "clock830": "🕣",
  "clock9": "🕘",
  "clock930": "🕤",
  "clock10": "🕙",
  "clock1030": "🕥",
  "clock11": "🕚",
  "clock1130": "🕦",
  "new_moon": "🌑",
  "waxing_crescent_moon": "🌒",
  "first_quarter_moon": "🌓",
  "moon": "🌔",
  "waxing_gibbous_moon": "🌔",
  "full_moon": "🌕",
  "waning_gibbous_moon": "🌖",
  "last_quarter_moon": "🌗",
  "waning_crescent_moon": "🌘",
  "crescent_moon": "🌙",
  "new_moon_with_face": "🌚",
  "first_quarter_moon_with_face": "🌛",
  "last_quarter_moon_with_face": "🌜",
  "thermometer": "🌡️",
  "sunny": "☀️",
  "full_moon_with_face": "🌝",
  "sun_with_face": "🌞",
  "ringed_planet": "🪐",
  "star": "⭐",
  "star2": "🌟",
  "stars": "🌠",
  "milky_way": "🌌",
  "cloud": "☁️",
  "partly_sunny": "⛅",
  "cloud_with_lightning_and_rain": "⛈️",
  "sun_behind_small_cloud": "🌤️",
  "sun_behind_large_cloud": "🌥️",
  "sun_behind_rain_cloud": "🌦️",
  "cloud_with_rain": "🌧️",
  "cloud_with_snow": "🌨️",
  "cloud_with_lightning": "🌩️",
  "tornado": "🌪️",
  "fog": "🌫️",
  "wind_face": "🌬️",
  "cyclone": "🌀",
  "rainbow": "🌈",
  "closed_umbrella": "🌂",
  "open_umbrella": "☂️",
  "umbrella": "☔",
  "parasol_on_ground": "⛱️",
  "zap": "⚡",
  "snowflake": "❄️",
  "snowman_with_snow": "☃️",
  "snowman": "⛄",
  "comet": "☄️",
  "fire": "🔥",
  "droplet": "💧",
  "ocean": "🌊",
  "jack_o_lantern": "🎃",
  "christmas_tree": "🎄",
  "fireworks": "🎆",
  "sparkler": "🎇",
  "firecracker": "🧨",
  "sparkles": "✨",
  "balloon": "🎈",
  "tada": "🎉",
  "confetti_ball": "🎊",
  "tanabata_tree": "🎋",
  "bamboo": "🎍",
  "dolls": "🎎",
  "flags": "🎏",
  "wind_chime": "🎐",
  "rice_scene": "🎑",
  "red_envelope": "🧧",
  "ribbon": "🎀",
  "gift": "🎁",
  "reminder_ribbon": "🎗️",
  "tickets": "🎟️",
  "ticket": "🎫",
  "medal_military": "🎖️",
  "trophy": "🏆",
  "medal_sports": "🏅",
  "1st_place_medal": "🥇",
  "2nd_place_medal": "🥈",
  "3rd_place_medal": "🥉",
  "soccer": "⚽",
  "baseball": "⚾",
  "softball": "🥎",
  "basketball": "🏀",
  "volleyball": "🏐",
  "football": "🏈",
  "rugby_football": "🏉",
  "tennis": "🎾",
  "flying_disc": "🥏",
  "bowling": "🎳",
  "cricket_game": "🏏",
  "field_hockey": "🏑",
  "ice_hockey": "🏒",
  "lacrosse": "🥍",
  "ping_pong": "🏓",
  "badminton": "🏸",
  "boxing_glove": "🥊",
  "martial_arts_uniform": "🥋",
  "goal_net": "🥅",
  "golf": "⛳",
  "ice_skate": "⛸️",
  "fishing_pole_and_fish": "🎣",
  "diving_mask": "🤿",
  "running_shirt_with_sash": "🎽",
  "ski": "🎿",
  "sled": "🛷",
  "curling_stone": "🥌",
  "dart": "🎯",
  "yo_yo": "🪀",
  "kite": "🪁",
  "gun": "🔫",
  "8ball": "🎱",
  "crystal_ball": "🔮",
  "magic_wand": "🪄",
  "video_game": "🎮",
  "joystick": "🕹️",
  "slot_machine": "🎰",
  "game_die": "🎲",
  "jigsaw": "🧩",
  "teddy_bear": "🧸",
  "pinata": "🪅",
  "mirror_ball": "🪩",
  "nesting_dolls": "🪆",
  "spades": "♠️",
  "hearts": "♥️",
  "diamonds": "♦️",
  "clubs": "♣️",
  "chess_pawn": "♟️",
  "black_joker": "🃏",
  "mahjong": "🀄",
  "flower_playing_cards": "🎴",
  "performing_arts": "🎭",
  "framed_picture": "🖼️",
  "art": "🎨",
  "thread": "🧵",
  "sewing_needle": "🪡",
  "yarn": "🧶",
  "knot": "🪢",
  "eyeglasses": "👓",
  "dark_sunglasses": "🕶️",
  "goggles": "🥽",
  "lab_coat": "🥼",
  "safety_vest": "🦺",
  "necktie": "👔",
  "shirt": "👕",
  "tshirt": "👕",
  "jeans": "👖",
  "scarf": "🧣",
  "gloves": "🧤",
  "coat": "🧥",
  "socks": "🧦",
  "dress": "👗",
  "kimono": "👘",
  "sari": "🥻",
  "one_piece_swimsuit": "🩱",
  "swim_brief": "🩲",
  "shorts": "🩳",
  "bikini": "👙",
  "womans_clothes": "👚",
  "folding_hand_fan": "🪭",
  "purse": "👛",
  "handbag": "👜",
  "pouch": "👝",
  "shopping": "🛍️",
  "school_satchel": "🎒",
  "thong_sandal": "🩴",
  "mans_shoe": "👞",
  "shoe": "👞",
  "athletic_shoe": "👟",
  "hiking_boot": "🥾",
  "flat_shoe": "🥿",
  "high_heel": "👠",
  "sandal": "👡",
  "ballet_shoes": "🩰",
  "boot": "👢",
  "hair_pick": "🪮",
  "crown": "👑",
  "womans_hat": "👒",
  "tophat": "🎩",
  "mortar_board": "🎓",
  "billed_cap": "🧢",
  "military_helmet": "🪖",
  "rescue_worker_helmet": "⛑️",
  "prayer_beads": "📿",
  "lipstick": "💄",
  "ring": "💍",
  "gem": "💎",
  "mute": "🔇",
  "speaker": "🔈",
  "sound": "🔉",
  "loud_sound": "🔊",
  "loudspeaker": "📢",
  "mega": "📣",
  "postal_horn": "📯",
  "bell": "🔔",
  "no_bell": "🔕",
  "musical_score": "🎼",
  "musical_note": "🎵",
  "notes": "🎶",
  "studio_microphone": "🎙️",
  "level_slider": "🎚️",
  "control_knobs": "🎛️",
  "microphone": "🎤",
  "headphones": "🎧",
  "radio": "📻",
  "saxophone": "🎷",
  "accordion": "🪗",
  "guitar": "🎸",
  "musical_keyboard": "🎹",
  "trumpet": "🎺",
  "violin": "🎻",
  "banjo": "🪕",
  "drum": "🥁",
  "long_drum": "🪘",
  "maracas": "🪇",
  "flute": "🪈",
  "iphone": "📱",
  "calling": "📲",
  "phone": "☎️",
  "telephone": "☎️",
  "telephone_receiver": "📞",
  "pager": "📟",
  "fax": "📠",
  "battery": "🔋",
  "low_battery": "🪫",
  "electric_plug": "🔌",
  "computer": "💻",
  "desktop_computer": "🖥️",
  "printer": "🖨️",
  "keyboard": "⌨️",
  "computer_mouse": "🖱️",
  "trackball": "🖲️",
  "minidisc": "💽",
  "floppy_disk": "💾",
  "cd": "💿",
  "dvd": "📀",
  "abacus": "🧮",
  "movie_camera": "🎥",
  "film_strip": "🎞️",
  "film_projector": "📽️",
  "clapper": "🎬",
  "tv": "📺",
  "camera": "📷",
  "camera_flash": "📸",
  "video_camera": "📹",
  "vhs": "📼",
  "mag": "🔍",
  "mag_right": "🔎",
  "candle": "🕯️",
  "bulb": "💡",
  "flashlight": "🔦",
  "izakaya_lantern": "🏮",
  "lantern": "🏮",
  "diya_lamp": "🪔",
  "notebook_with_decorative_cover": "📔",
  "closed_book": "📕",
  "book": "📖",
  "open_book": "📖",
  "green_book": "📗",
  "blue_book": "📘",
  "orange_book": "📙",
  "books": "📚",
  "notebook": "📓",
  "ledger": "📒",
  "page_with_curl": "📃",
  "scroll": "📜",
  "page_facing_up": "📄",
  "newspaper": "📰",
  "newspaper_roll": "🗞️",
  "bookmark_tabs": "📑",
  "bookmark": "🔖",
  "label": "🏷️",
  "moneybag": "💰",
  "coin": "🪙",
  "yen": "💴",
  "dollar": "💵",
  "euro": "💶",
  "pound": "💷",
  "money_with_wings": "💸",
  "credit_card": "💳",
  "receipt": "🧾",
  "chart": "💹",
  "envelope": "✉️",
  "email": "📧",
  "e-mail": "📧",
  "incoming_envelope": "📨",
  "envelope_with_arrow": "📩",
  "outbox_tray": "📤",
  "inbox_tray": "📥",
  "package": "📦",
  "mailbox": "📫",
  "mailbox_closed": "📪",
  "mailbox_with_mail": "📬",
  "mailbox_with_no_mail": "📭",
  "postbox": "📮",
  "ballot_box": "🗳️",
  "pencil2": "✏️",
  "black_nib": "✒️",
  "fountain_pen": "🖋️",
  "pen": "🖊️",
  "paintbrush": "🖌️",
  "crayon": "🖍️",
  "memo": "📝",
  "pencil": "📝",
  "briefcase": "💼",
  "file_folder": "📁",
  "open_file_folder": "📂",
  "card_index_dividers": "🗂️",
  "date": "📅",
  "calendar": "📆",
  "spiral_notepad": "🗒️",
  "spiral_calendar": "🗓️",
  "card_index": "📇",
  "chart_with_upwards_trend": "📈",
  "chart_with_downwards_trend": "📉",
  "bar_chart": "📊",
  "clipboard": "📋",
  "pushpin": "📌",
  "round_pushpin": "📍",
  "paperclip": "📎",
  "paperclips": "🖇️",
  "straight_ruler": "📏",
  "triangular_ruler": "📐",
  "scissors": "✂️",
  "card_file_box": "🗃️",
  "file_cabinet": "🗄️",
  "wastebasket": "🗑️",
  "lock": "🔒",
  "unlock": "🔓",
  "lock_with_ink_pen": "🔏",
  "closed_lock_with_key": "🔐",
  "key": "🔑",
  "old_key": "🗝️",
  "hammer": "🔨",
  "axe": "🪓",
  "pick": "⛏️",
  "hammer_and_pick": "⚒️",
  "hammer_and_wrench": "🛠️",
  "dagger": "🗡️",
  "crossed_swords": "⚔️",
  "bomb": "💣",
  "boomerang": "🪃",
  "bow_and_arrow": "🏹",
  "shield": "🛡️",
  "carpentry_saw": "🪚",
  "wrench": "🔧",
  "screwdriver": "🪛",
  "nut_and_bolt": "🔩",
  "gear": "⚙️",
  "clamp": "🗜️",
  "balance_scale": "⚖️",
  "probing_cane": "🦯",
  "link": "🔗",
  "chains": "⛓️",
  "hook": "🪝",
  "toolbox": "🧰",
  "magnet": "🧲",
  "ladder": "🪜",
  "alembic": "⚗️",
  "test_tube": "🧪",
  "petri_dish": "🧫",
  "dna": "🧬",
  "microscope": "🔬",
  "telescope": "🔭",
  "satellite": "📡",
  "syringe": "💉",
  "drop_of_blood": "🩸",
  "pill": "💊",
  "adhesive_bandage": "🩹",
  "crutch": "🩼",
  "stethoscope": "🩺",
  "x_ray": "🩻",
  "door": "🚪",
  "elevator": "🛗",
  "mirror": "🪞",
  "window": "🪟",
  "bed": "🛏️",
  "couch_and_lamp": "🛋️",
  "chair": "🪑",
  "toilet": "🚽",
  "plunger": "🪠",
  "shower": "🚿",
  "bathtub": "🛁",
  "mouse_trap": "🪤",
  "razor": "🪒",
  "lotion_bottle": "🧴",
  "safety_pin": "🧷",
  "broom": "🧹",
  "basket": "🧺",
  "roll_of_paper": "🧻",
  "bucket": "🪣",
  "soap": "🧼",
  "bubbles": "🫧",
  "toothbrush": "🪥",
  "sponge": "🧽",
  "fire_extinguisher": "🧯",
  "shopping_cart": "🛒",
  "smoking": "🚬",
  "coffin": "⚰️",
  "headstone": "🪦",
  "funeral_urn": "⚱️",
  "nazar_amulet": "🧿",
  "hamsa": "🪬",
  "moyai": "🗿",
  "placard": "🪧",
  "identification_card": "🪪",
  "atm": "🏧",
  "put_litter_in_its_place": "🚮",
  "potable_water": "🚰",
  "wheelchair": "♿",
  "mens": "🚹",
  "womens": "🚺",
  "restroom": "🚻",
  "baby_symbol": "🚼",
  "wc": "🚾",
  "passport_control": "🛂",
  "customs": "🛃",
  "baggage_claim": "🛄",
  "left_luggage": "🛅",
  "warning": "⚠️",
  "children_crossing": "🚸",
  "no_entry": "⛔",
  "no_entry_sign": "🚫",
  "no_bicycles": "🚳",
  "no_smoking": "🚭",
  "do_not_litter": "🚯",
  "non-potable_water": "🚱",
  "no_pedestrians": "🚷",
  "no_mobile_phones": "📵",
  "underage": "🔞",
  "radioactive": "☢️",
  "biohazard": "☣️",
  "arrow_up": "⬆️",
  "arrow_upper_right": "↗️",
  "arrow_right": "➡️",
  "arrow_lower_right": "↘️",
  "arrow_down": "⬇️",
  "arrow_lower_left": "↙️",
  "arrow_left": "⬅️",
  "arrow_upper_left": "↖️",
  "arrow_up_down": "↕️",
  "left_right_arrow": "↔️",
  "leftwards_arrow_with_hook": "↩️",
  "arrow_right_hook": "↪️",
  "arrow_heading_up": "⤴️",
  "arrow_heading_down": "⤵️",
  "arrows_clockwise": "🔃",
  "arrows_counterclockwise": "🔄",
  "back": "🔙",
  "end": "🔚",
  "on": "🔛",
  "soon": "🔜",
  "top": "🔝",
  "place_of_worship": "🛐",
  "atom_symbol": "⚛️",
  "om": "🕉️",
  "star_of_david": "✡️",
  "wheel_of_dharma": "☸️",
  "yin_yang": "☯️",
  "latin_cross": "✝️",
  "orthodox_cross": "☦️",
  "star_and_crescent": "☪️",
  "peace_symbol": "☮️",
  "menorah": "🕎",
  "six_pointed_star": "🔯",
  "khanda": "🪯",
  "aries": "♈",
  "taurus": "♉",
  "gemini": "♊",
  "cancer": "♋",
  "leo": "♌",
  "virgo": "♍",
  "libra": "♎",
  "scorpius": "♏",
  "sagittarius": "♐",
  "capricorn": "♑",
  "aquarius": "♒",
  "pisces": "♓",
  "ophiuchus": "⛎",
  "twisted_rightwards_arrows": "🔀",
  "repeat": "🔁",
  "repeat_one": "🔂",
  "arrow_forward": "▶️",
  "fast_forward": "⏩",
  "next_track_button": "⏭️",
  "play_or_pause_button": "⏯️",
  "arrow_backward": "◀️",
  "rewind": "⏪",
  "previous_track_button": "⏮️",
  "arrow_up_small": "🔼",
  "arrow_double_up": "⏫",
  "arrow_down_small": "🔽",
  "arrow_double_down": "⏬",
  "pause_button": "⏸️",
  "stop_button": "⏹️",
  "record_button": "⏺️",
  "eject_button": "⏏️",
  "cinema": "🎦",
  "low_brightness": "🔅",
  "high_brightness": "🔆",
  "signal_strength": "📶",
  "wireless": "🛜",
  "vibration_mode": "📳",
  "mobile_phone_off": "📴",
  "female_sign": "♀️",
  "male_sign": "♂️",
  "transgender_symbol": "⚧️",
  "heavy_multiplication_x": "✖️",
  "heavy_plus_sign": "➕",
  "heavy_minus_sign": "➖",
  "heavy_division_sign": "➗",
  "heavy_equals_sign": "🟰",
  "infinity": "♾️",
  "bangbang": "‼️",
  "interrobang": "⁉️",
  "question": "❓",
  "grey_question": "❔",
  "grey_exclamation": "❕",
  "exclamation": "❗",
  "heavy_exclamation_mark": "❗",
  "wavy_dash": "〰️",
  "currency_exchange": "💱",
  "heavy_dollar_sign": "💲",
  "medical_symbol": "⚕️",
  "recycle": "♻️",
  "fleur_de_lis": "⚜️",
  "trident": "🔱",
  "name_badge": "📛",
  "beginner": "🔰",
  "o": "⭕",
  "white_check_mark": "✅",
  "ballot_box_with_check": "☑️",
  "heavy_check_mark": "✔️",
  "x": "❌",
  "negative_squared_cross_mark": "❎",
  "curly_loop": "➰",
  "loop": "➿",
  "part_alternation_mark": "〽️",
  "eight_spoked_asterisk": "✳️",
  "eight_pointed_black_star": "✴️",
  "sparkle": "❇️",
  "copyright": "©️",
  "registered": "®️",
  "tm": "™️",
  "hash": "#️⃣",
  "asterisk": "*️⃣",
  "zero": "0️⃣",
  "one": "1️⃣",
  "two": "2️⃣",
  "three": "3️⃣",
  "four": "4️⃣",
  "five": "5️⃣",
  "six": "6️⃣",
  "seven": "7️⃣",
  "eight": "8️⃣",
  "nine": "9️⃣",
  "keycap_ten": "🔟",
  "capital_abcd": "🔠",
  "abcd": "🔡",
  "symbols": "🔣",
  "abc": "🔤",
  "a": "🅰️",
  "ab": "🆎",
  "b": "🅱️",
  "cl": "🆑",
  "cool": "🆒",
  "free": "🆓",
  "information_source": "ℹ️",
  "id": "🆔",
  "m": "Ⓜ️",
  "new": "🆕",
  "ng": "🆖",
  "o2": "🅾️",
  "ok": "🆗",
  "parking": "🅿️",
  "sos": "🆘",
  "up": "🆙",
  "vs": "🆚",
  "koko": "🈁",
  "sa": "🈂️",
  "ideograph_advantage": "🉐",
  "accept": "🉑",
  "congratulations": "㊗️",
  "secret": "㊙️",
  "u6e80": "🈵",
  "red_circle": "🔴",
  "orange_circle": "🟠",
  "yellow_circle": "🟡",
  "green_circle": "🟢",
  "large_blue_circle": "🔵",
  "purple_circle": "🟣",
  "brown_circle": "🟤",
  "black_circle": "⚫",
  "white_circle": "⚪",
  "red_square": "🟥",
  "orange_square": "🟧",
  "yellow_square": "🟨",
  "green_square": "🟩",
  "blue_square": "🟦",
  "purple_square": "🟪",
  "brown_square": "🟫",
  "black_large_square": "⬛",
  "white_large_square": "⬜",
  "black_medium_square": "◼️",
  "white_medium_square": "◻️",
  "black_medium_small_square": "◾",
  "white_medium_small_square": "◽",
  "black_small_square": "▪️",
  "white_small_square": "▫️",
  "large_orange_diamond": "🔶",
  "large_blue_diamond": "🔷",
  "small_orange_diamond": "🔸",
  "small_blue_diamond": "🔹",
  "small_red_triangle": "🔺",
  "small_red_triangle_down": "🔻",
  "diamond_shape_with_a_dot_inside": "💠",
  "radio_button": "🔘",
  "white_square_button": "🔳",
  "black_square_button": "🔲",
  "checkered_flag": "🏁",
  "triangular_flag_on_post": "🚩",
  "crossed_flags": "🎌",
  "black_flag": "🏴",
  "white_flag": "🏳️",
  "rainbow_flag": "🏳️‍🌈",
  "transgender_flag": "🏳️‍⚧️",
  "pirate_flag": "🏴‍☠️",
  "ascension_island": "🇦🇨",
  "andorra": "🇦🇩",
  "united_arab_emirates": "🇦🇪",
  "afghanistan": "🇦🇫",
  "antigua_barbuda": "🇦🇬",
  "anguilla": "🇦🇮",
  "albania": "🇦🇱",
  "armenia": "🇦🇲",
  "angola": "🇦🇴",
  "antarctica": "🇦🇶",
  "argentina": "🇦🇷",
  "american_samoa": "🇦🇸",
  "austria": "🇦🇹",
  "australia": "🇦🇺",
  "aruba": "🇦🇼",
  "aland_islands": "🇦🇽",
  "azerbaijan": "🇦🇿",
  "bosnia_herzegovina": "🇧🇦",
  "barbados": "🇧🇧",
  "bangladesh": "🇧🇩",
  "belgium": "🇧🇪",
  "burkina_faso": "🇧🇫",
  "bulgaria": "🇧🇬",
  "bahrain": "🇧🇭",
  "burundi": "🇧🇮",
  "benin": "🇧🇯",
  "st_barthelemy": "🇧🇱",
  "bermuda": "🇧🇲",
  "brunei": "🇧🇳",
  "bolivia": "🇧🇴",
  "caribbean_netherlands": "🇧🇶",
  "brazil": "🇧🇷",
  "bahamas": "🇧🇸",
  "bhutan": "🇧🇹",
  "bouvet_island": "🇧🇻",
  "botswana": "🇧🇼",
  "belarus": "🇧🇾",
  "belize": "🇧🇿",
  "canada": "🇨🇦",
  "cocos_islands": "🇨🇨",
  "congo_kinshasa": "🇨🇩",
  "central_african_republic": "🇨🇫",
  "congo_brazzaville": "🇨🇬",
  "switzerland": "🇨🇭",
  "cote_divoire": "🇨🇮",
  "cook_islands": "🇨🇰",
  "chile": "🇨🇱",
  "cameroon": "🇨🇲",
  "cn": "🇨🇳",
  "colombia": "🇨🇴",
  "clipperton_island": "🇨🇵",
  "costa_rica": "🇨🇷",
  "cuba": "🇨🇺",
  "cape_verde": "🇨🇻",
  "curacao": "🇨🇼",
  "christmas_island": "🇨🇽",
  "cyprus": "🇨🇾",
  "czech_republic": "🇨🇿",
  "de": "🇩🇪",
  "diego_garcia": "🇩🇬",
  "djibouti": "🇩🇯",
  "denmark": "🇩🇰",
  "dominica": "🇩🇲",
  "dominican_republic": "🇩🇴",
  "algeria": "🇩🇿",
  "ceuta_melilla": "🇪🇦",
  "ecuador": "🇪🇨",
  "estonia": "🇪🇪",
  "egypt": "🇪🇬",
  "western_sahara": "🇪🇭",
  "eritrea": "🇪🇷",
  "es": "🇪🇸",
  "ethiopia": "🇪🇹",
  "eu": "🇪🇺",
  "european_union": "🇪🇺",
  "finland": "🇫🇮",
  "fiji": "🇫🇯",
  "falkland_islands": "🇫🇰",
  "micronesia": "🇫🇲",
  "faroe_islands": "🇫🇴",
  "fr": "🇫🇷",
  "gabon": "🇬🇦",
  "gb": "🇬🇧",
  "uk": "🇬🇧",
  "grenada": "🇬🇩",
  "georgia": "🇬🇪",
  "french_guiana": "🇬🇫",
  "guernsey": "🇬🇬",
  "ghana": "🇬🇭",
  "gibraltar": "🇬🇮",
  "greenland": "🇬🇱",
  "gambia": "🇬🇲",
  "guinea": "🇬🇳",
  "guadeloupe": "🇬🇵",
  "equatorial_guinea": "🇬🇶",
  "greece": "🇬🇷",
  "south_georgia_south_sandwich_islands": "🇬🇸",
  "guatemala": "🇬🇹",
  "guam": "🇬🇺",
  "guinea_bissau": "🇬🇼",
  "guyana": "🇬🇾",
  "hong_kong": "🇭🇰",
  "heard_mcdonald_islands": "🇭🇲",
  "honduras": "🇭🇳",
  "croatia": "🇭🇷",
  "haiti": "🇭🇹",
  "hungary": "🇭🇺",
  "canary_islands": "🇮🇨",
  "indonesia": "🇮🇩",
  "ireland": "🇮🇪",
  "israel": "🇮🇱",
  "isle_of_man": "🇮🇲",
  "india": "🇮🇳",
  "british_indian_ocean_territory": "🇮🇴",
  "iraq": "🇮🇶",
  "iran": "🇮🇷",
  "iceland": "🇮🇸",
  "it": "🇮🇹",
  "jersey": "🇯🇪",
  "jamaica": "🇯🇲",
  "jordan": "🇯🇴",
  "jp": "🇯🇵",
  "kenya": "🇰🇪",
  "kyrgyzstan": "🇰🇬",
  "cambodia": "🇰🇭",
  "kiribati": "🇰🇮",
  "comoros": "🇰🇲",
  "st_kitts_nevis": "🇰🇳",
  "north_korea": "🇰🇵",
  "kr": "🇰🇷",
  "kuwait": "🇰🇼",
  "cayman_islands": "🇰🇾",
  "kazakhstan": "🇰🇿",
  "laos": "🇱🇦",
  "lebanon": "🇱🇧",
  "st_lucia": "🇱🇨",
  "liechtenstein": "🇱🇮",
  "sri_lanka": "🇱🇰",
  "liberia": "🇱🇷",
  "lesotho": "🇱🇸",
  "lithuania": "🇱🇹",
  "luxembourg": "🇱🇺",
  "latvia": "🇱🇻",
  "libya": "🇱🇾",
  "morocco": "🇲🇦",
  "monaco": "🇲🇨",
  "moldova": "🇲🇩",
  "montenegro": "🇲🇪",
  "st_martin": "🇲🇫",
  "madagascar": "🇲🇬",
  "marshall_islands": "🇲🇭",
  "macedonia": "🇲🇰",
  "mali": "🇲🇱",
  "myanmar": "🇲🇲",
  "mongolia": "🇲🇳",
  "macau": "🇲🇴",
  "northern_mariana_islands": "🇲🇵",
  "martinique": "🇲🇶",
  "mauritania": "🇲🇷",
  "montserrat": "🇲🇸",
  "malta": "🇲🇹",
  "mauritius": "🇲🇺",
  "maldives": "🇲🇻",
  "malawi": "🇲🇼",
  "mexico": "🇲🇽",
  "malaysia": "🇲🇾",
  "mozambique": "🇲🇿",
  "namibia": "🇳🇦",
  "new_caledonia": "🇳🇨",
  "niger": "🇳🇪",
  "norfolk_island": "🇳🇫",
  "nigeria": "🇳🇬",
  "nicaragua": "🇳🇮",
  "netherlands": "🇳🇱",
  "norway": "🇳🇴",
  "nepal": "🇳🇵",
  "nauru": "🇳🇷",
  "niue": "🇳🇺",
  "new_zealand": "🇳🇿",
  "oman": "🇴🇲",
  "panama": "🇵🇦",
  "peru": "🇵🇪",
  "french_polynesia": "🇵🇫",
  "papua_new_guinea": "🇵🇬",
  "philippines": "🇵🇭",
  "pakistan": "🇵🇰",
  "poland": "🇵🇱",
  "st_pierre_miquelon": "🇵🇲",
  "pitcairn_islands": "🇵🇳",
  "puerto_rico": "🇵🇷",
  "palestinian_territories": "🇵🇸",
  "portugal": "🇵🇹",
  "palau": "🇵🇼",
  "paraguay": "🇵🇾",
  "qatar": "🇶🇦",
  "reunion": "🇷🇪",
  "romania": "🇷🇴",
  "serbia": "🇷🇸",
  "ru": "🇷🇺",
  "rwanda": "🇷🇼",
  "saudi_arabia": "🇸🇦",
  "solomon_islands": "🇸🇧",
  "seychelles": "🇸🇨",
  "sudan": "🇸🇩",
  "sweden": "🇸🇪",
  "singapore": "🇸🇬",
  "st_helena": "🇸🇭",
  "slovenia": "🇸🇮",
  "svalbard_jan_mayen": "🇸🇯",
  "slovakia": "🇸🇰",
  "sierra_leone": "🇸🇱",
  "san_marino": "🇸🇲",
  "senegal": "🇸🇳",
  "somalia": "🇸🇴",
  "suriname": "🇸🇷",
  "south_sudan": "🇸🇸",
  "sao_tome_principe": "🇸🇹",
  "el_salvador": "🇸🇻",
  "sint_maarten": "🇸🇽",
  "syria": "🇸🇾",
  "swaziland": "🇸🇿",
  "tristan_da_cunha": "🇹🇦",
  "turks_caicos_islands": "🇹🇨",
  "chad": "🇹🇩",
  "french_southern_territories": "🇹🇫",
  "togo": "🇹🇬",
  "thailand": "🇹🇭",
  "tajikistan": "🇹🇯",
  "tokelau": "🇹🇰",
  "timor_leste": "🇹🇱",
  "turkmenistan": "🇹🇲",
  "tunisia": "🇹🇳",
  "tonga": "🇹🇴",
  "tr": "🇹🇷",
  "trinidad_tobago": "🇹🇹",
  "tuvalu": "🇹🇻",
  "taiwan": "🇹🇼",
  "tanzania": "🇹🇿",
  "ukraine": "🇺🇦",
  "uganda": "🇺🇬",
  "us_outlying_islands": "🇺🇲",
  "united_nations": "🇺🇳",
  "us": "🇺🇸",
  "uruguay": "🇺🇾",
  "uzbekistan": "🇺🇿",
  "vatican_city": "🇻🇦",
  "st_vincent_grenadines": "🇻🇨",
  "venezuela": "🇻🇪",
  "british_virgin_islands": "🇻🇬",
  "us_virgin_islands": "🇻🇮",
  "vietnam": "🇻🇳",
  "vanuatu": "🇻🇺",
  "wallis_futuna": "🇼🇫",
  "samoa": "🇼🇸",
  "kosovo": "🇽🇰",
  "yemen": "🇾🇪",
  "mayotte": "🇾🇹",
  "south_africa": "🇿🇦",
  "zambia": "🇿🇲",
  "zimbabwe": "🇿🇼",
  "england": "🏴󠁧󠁢󠁥󠁮󠁧󠁿",
  "scotland": "🏴󠁧󠁢󠁳󠁣󠁴󠁿",
  "wales": "🏴󠁧󠁢󠁷󠁬󠁳󠁿"
};

function emoji_plugin (md, options) {
  const defaults = {
    defs: emojies_defs,
    shortcuts: emojies_shortcuts,
    enabled: []
  };

  const opts = md.utils.assign({}, defaults, options || {});

  emoji_plugin$1(md, opts);
}

// Process block-level custom containers
//
function container_plugin (md, name, options) {
  // Second param may be useful if you decide
  // to increase minimal allowed marker length
  function validateDefault (params/*, markup */) {
    return params.trim().split(' ', 2)[0] === name
  }

  function renderDefault (tokens, idx, _options, env, slf) {
    // add a class to the opening tag
    if (tokens[idx].nesting === 1) {
      tokens[idx].attrJoin('class', name);
    }

    return slf.renderToken(tokens, idx, _options, env, slf)
  }

  options = options || {};

  const min_markers = 3;
  const marker_str  = options.marker || ':';
  const marker_char = marker_str.charCodeAt(0);
  const marker_len  = marker_str.length;
  const validate    = options.validate || validateDefault;
  const render      = options.render || renderDefault;

  function container (state, startLine, endLine, silent) {
    let pos;
    let auto_closed = false;
    let start = state.bMarks[startLine] + state.tShift[startLine];
    let max = state.eMarks[startLine];

    // Check out the first character quickly,
    // this should filter out most of non-containers
    //
    if (marker_char !== state.src.charCodeAt(start)) { return false }

    // Check out the rest of the marker string
    //
    for (pos = start + 1; pos <= max; pos++) {
      if (marker_str[(pos - start) % marker_len] !== state.src[pos]) {
        break
      }
    }

    const marker_count = Math.floor((pos - start) / marker_len);
    if (marker_count < min_markers) { return false }
    pos -= (pos - start) % marker_len;

    const markup = state.src.slice(start, pos);
    const params = state.src.slice(pos, max);
    if (!validate(params, markup)) { return false }

    // Since start is found, we can report success here in validation mode
    //
    if (silent) { return true }

    // Search for the end of the block
    //
    let nextLine = startLine;

    for (;;) {
      nextLine++;
      if (nextLine >= endLine) {
        // unclosed block should be autoclosed by end of document.
        // also block seems to be autoclosed by end of parent
        break
      }

      start = state.bMarks[nextLine] + state.tShift[nextLine];
      max = state.eMarks[nextLine];

      if (start < max && state.sCount[nextLine] < state.blkIndent) {
        // non-empty line with negative indent should stop the list:
        // - ```
        //  test
        break
      }

      if (marker_char !== state.src.charCodeAt(start)) { continue }

      if (state.sCount[nextLine] - state.blkIndent >= 4) {
        // closing fence should be indented less than 4 spaces
        continue
      }

      for (pos = start + 1; pos <= max; pos++) {
        if (marker_str[(pos - start) % marker_len] !== state.src[pos]) {
          break
        }
      }

      // closing code fence must be at least as long as the opening one
      if (Math.floor((pos - start) / marker_len) < marker_count) { continue }

      // make sure tail has spaces only
      pos -= (pos - start) % marker_len;
      pos = state.skipSpaces(pos);

      if (pos < max) { continue }

      // found!
      auto_closed = true;
      break
    }

    const old_parent = state.parentType;
    const old_line_max = state.lineMax;
    state.parentType = 'container';

    // this will prevent lazy continuations from ever going past our end marker
    state.lineMax = nextLine;

    const token_o  = state.push('container_' + name + '_open', 'div', 1);
    token_o.markup = markup;
    token_o.block  = true;
    token_o.info   = params;
    token_o.map    = [startLine, nextLine];

    state.md.block.tokenize(state, startLine + 1, nextLine);

    const token_c  = state.push('container_' + name + '_close', 'div', -1);
    token_c.markup = state.src.slice(start, pos);
    token_c.block  = true;

    state.parentType = old_parent;
    state.lineMax = old_line_max;
    state.line = nextLine + (auto_closed ? 1 : 0);

    return true
  }

  md.block.ruler.before('fence', 'container_' + name, container, {
    alt: ['paragraph', 'reference', 'blockquote', 'list']
  });
  md.renderer.rules['container_' + name + '_open'] = render;
  md.renderer.rules['container_' + name + '_close'] = render;
}

const urlAlphabet =
  'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict';

const POOL_SIZE_MULTIPLIER = 128;
let pool, poolOffset;
function fillPool(bytes) {
  if (!pool || pool.length < bytes) {
    pool = Buffer.allocUnsafe(bytes * POOL_SIZE_MULTIPLIER);
    webcrypto.getRandomValues(pool);
    poolOffset = 0;
  } else if (poolOffset + bytes > pool.length) {
    webcrypto.getRandomValues(pool);
    poolOffset = 0;
  }
  poolOffset += bytes;
}
function random(bytes) {
  fillPool((bytes -= 0));
  return pool.subarray(poolOffset - bytes, poolOffset)
}
function customRandom(alphabet, defaultSize, getRandom) {
  let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1;
  let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length);
  return (size = defaultSize) => {
    let id = '';
    while (true) {
      let bytes = getRandom(step);
      let i = step;
      while (i--) {
        id += alphabet[bytes[i] & mask] || '';
        if (id.length === size) return id
      }
    }
  }
}
function customAlphabet(alphabet, size = 21) {
  return customRandom(alphabet, size, random)
}
function nanoid$1(size = 21) {
  fillPool((size -= 0));
  let id = '';
  for (let i = poolOffset - size; i < poolOffset; i++) {
    id += urlAlphabet[pool[i] & 63];
  }
  return id
}

function preWrapperPlugin(md, options) {
  const fence = md.renderer.rules.fence;
  md.renderer.rules.fence = (...args) => {
    const [tokens, idx] = args;
    const token = tokens[idx];
    token.info = token.info.replace(/\[.*\]/, "");
    const active = / active( |$)/.test(token.info) ? " active" : "";
    token.info = token.info.replace(/ active$/, "").replace(/ active /, " ");
    const lang = extractLang(token.info);
    const rawCode = fence(...args);
    return `<div class="language-${lang}${getAdaptiveThemeMarker(
      options
    )}${active}"><button title="Copy Code" class="copy"></button><span class="lang">${lang}</span>${rawCode}</div>`;
  };
}
function getAdaptiveThemeMarker(options) {
  return options.hasSingleTheme ? "" : " vp-adaptive-theme";
}
function extractTitle(info, html = false) {
  if (html) {
    return info.replace(/<!--[^]*?-->/g, "").match(/data-title="(.*?)"/)?.[1] || "";
  }
  return info.match(/\[(.*)\]/)?.[1] || extractLang(info) || "txt";
}
function extractLang(info) {
  return info.trim().replace(/=(\d*)/, "").replace(/:(no-)?line-numbers({| |$|=\d*).*/, "").replace(/(-vue|{| ).*$/, "").replace(/^vue-html$/, "template").replace(/^ansi$/, "");
}

const containerPlugin = (md, options, containerOptions) => {
  md.use(...createContainer("tip", containerOptions?.tipLabel || "TIP", md)).use(...createContainer("info", containerOptions?.infoLabel || "INFO", md)).use(
    ...createContainer(
      "warning",
      containerOptions?.warningLabel || "WARNING",
      md
    )
  ).use(
    ...createContainer(
      "danger",
      containerOptions?.dangerLabel || "DANGER",
      md
    )
  ).use(
    ...createContainer(
      "details",
      containerOptions?.detailsLabel || "Details",
      md
    )
  ).use(container_plugin, "v-pre", {
    render: (tokens, idx) => tokens[idx].nesting === 1 ? `<div v-pre>
` : `</div>
`
  }).use(container_plugin, "raw", {
    render: (tokens, idx) => tokens[idx].nesting === 1 ? `<div class="vp-raw">
` : `</div>
`
  }).use(...createCodeGroup(options));
};
function createContainer(klass, defaultTitle, md) {
  return [
    container_plugin,
    klass,
    {
      render(tokens, idx, _options, env) {
        const token = tokens[idx];
        const info = token.info.trim().slice(klass.length).trim();
        const attrs = md.renderer.renderAttrs(token);
        if (token.nesting === 1) {
          const title = md.renderInline(info || defaultTitle, {
            references: env.references
          });
          if (klass === "details")
            return `<details class="${klass} custom-block"${attrs}><summary>${title}</summary>
`;
          return `<div class="${klass} custom-block"${attrs}><p class="custom-block-title">${title}</p>
`;
        } else
          return klass === "details" ? `</details>
` : `</div>
`;
      }
    }
  ];
}
function createCodeGroup(options) {
  return [
    container_plugin,
    "code-group",
    {
      render(tokens, idx) {
        if (tokens[idx].nesting === 1) {
          const name = nanoid$1(5);
          let tabs = "";
          let checked = 'checked="checked"';
          for (let i = idx + 1; !(tokens[i].nesting === -1 && tokens[i].type === "container_code-group_close"); ++i) {
            const isHtml = tokens[i].type === "html_block";
            if (tokens[i].type === "fence" && tokens[i].tag === "code" || isHtml) {
              const title = extractTitle(
                isHtml ? tokens[i].content : tokens[i].info,
                isHtml
              );
              if (title) {
                const id = nanoid$1(7);
                tabs += `<input type="radio" name="group-${name}" id="tab-${id}" ${checked}><label for="tab-${id}">${title}</label>`;
                if (checked && !isHtml)
                  tokens[i].info += " active";
                checked = "";
              }
            }
          }
          return `<div class="vp-code-group${getAdaptiveThemeMarker(
            options
          )}"><div class="tabs">${tabs}</div><div class="blocks">
`;
        }
        return `</div></div>
`;
      }
    }
  ];
}

const nanoid = customAlphabet("abcdefghijklmnopqrstuvwxyz", 10);
const attrsToLines = (attrs) => {
  attrs = attrs.replace(/^(?:\[.*?\])?.*?([\d,-]+).*/, "$1").trim();
  const result = [];
  if (!attrs) {
    return [];
  }
  attrs.split(",").map((v) => v.split("-").map((v2) => parseInt(v2, 10))).forEach(([start, end]) => {
    if (start && end) {
      result.push(
        ...Array.from({ length: end - start + 1 }, (_, i) => start + i)
      );
    } else {
      result.push(start);
    }
  });
  return result.map((v) => ({
    line: v,
    classes: ["highlighted"]
  }));
};
async function highlight(theme, options, logger = console) {
  const {
    defaultHighlightLang: defaultLang = "",
    codeTransformers: userTransformers = []
  } = options;
  const highlighter = await getHighlighter({
    themes: typeof theme === "object" && "light" in theme && "dark" in theme ? [theme.light, theme.dark] : [theme],
    langs: [...Object.keys(bundledLanguages), ...options.languages || []],
    langAlias: options.languageAlias
  });
  await options?.shikiSetup?.(highlighter);
  const transformers = [
    transformerNotationDiff(),
    transformerNotationFocus({
      classActiveLine: "has-focus",
      classActivePre: "has-focused-lines"
    }),
    transformerNotationHighlight(),
    transformerNotationErrorLevel(),
    {
      name: "vitepress:add-class",
      pre(node) {
        this.addClassToHast(node, "vp-code");
      }
    },
    {
      name: "vitepress:clean-up",
      pre(node) {
        delete node.properties.tabindex;
        delete node.properties.style;
      }
    }
  ];
  const vueRE = /-vue$/;
  const lineNoStartRE = /=(\d*)/;
  const lineNoRE = /:(no-)?line-numbers(=\d*)?$/;
  const mustacheRE = /\{\{.*?\}\}/g;
  return (str, lang, attrs) => {
    const vPre = vueRE.test(lang) ? "" : "v-pre";
    lang = lang.replace(lineNoStartRE, "").replace(lineNoRE, "").replace(vueRE, "").toLowerCase() || defaultLang;
    if (lang) {
      const langLoaded = highlighter.getLoadedLanguages().includes(lang);
      if (!langLoaded && !isSpecialLang(lang)) {
        logger.warn(
          c$1.yellow(
            `
The language '${lang}' is not loaded, falling back to '${defaultLang || "txt"}' for syntax highlighting.`
          )
        );
        lang = defaultLang;
      }
    }
    const lineOptions = attrsToLines(attrs);
    const mustaches = /* @__PURE__ */ new Map();
    const removeMustache = (s) => {
      if (vPre)
        return s;
      return s.replace(mustacheRE, (match) => {
        let marker = mustaches.get(match);
        if (!marker) {
          marker = nanoid();
          mustaches.set(match, marker);
        }
        return marker;
      });
    };
    const restoreMustache = (s) => {
      mustaches.forEach((marker, match) => {
        s = s.replaceAll(marker, match);
      });
      return s;
    };
    str = removeMustache(str).trimEnd();
    const highlighted = highlighter.codeToHtml(str, {
      lang,
      transformers: [
        ...transformers,
        transformerCompactLineOptions(lineOptions),
        {
          name: "vitepress:v-pre",
          pre(node) {
            if (vPre)
              node.properties["v-pre"] = "";
          }
        },
        {
          name: "vitepress:empty-line",
          code(hast) {
            hast.children.forEach((span) => {
              if (span.type === "element" && span.tagName === "span" && Array.isArray(span.properties.class) && span.properties.class.includes("line") && span.children.length === 0) {
                span.children.push({
                  type: "element",
                  tagName: "wbr",
                  properties: {},
                  children: []
                });
              }
            });
          }
        },
        ...userTransformers
      ],
      meta: { __raw: attrs },
      ...typeof theme === "object" && "light" in theme && "dark" in theme ? { themes: theme, defaultColor: false } : { theme }
    });
    return restoreMustache(highlighted);
  };
}

const RE = /{([\d,-]+)}/;
const highlightLinePlugin = (md) => {
  const fence = md.renderer.rules.fence;
  md.renderer.rules.fence = (...args) => {
    const [tokens, idx] = args;
    const token = tokens[idx];
    const attr = token.attrs && token.attrs[0];
    let lines = null;
    if (!attr) {
      const rawInfo = token.info;
      if (!rawInfo || !RE.test(rawInfo)) {
        return fence(...args);
      }
      const langName = rawInfo.replace(RE, "").trim();
      token.info = langName;
      lines = RE.exec(rawInfo)[1];
    }
    if (!lines) {
      lines = attr[0];
      if (!lines || !/[\d,-]+/.test(lines)) {
        return fence(...args);
      }
    }
    token.info += " " + lines;
    return fence(...args);
  };
};

const imagePlugin = (md, { lazyLoading } = {}) => {
  const imageRule = md.renderer.rules.image;
  md.renderer.rules.image = (tokens, idx, options, env, self) => {
    const token = tokens[idx];
    let url = token.attrGet("src");
    if (url && !EXTERNAL_URL_RE.test(url)) {
      if (!/^\.?\//.test(url))
        url = "./" + url;
      token.attrSet("src", decodeURIComponent(url));
    }
    if (lazyLoading) {
      token.attrSet("loading", "lazy");
    }
    return imageRule(tokens, idx, options, env, self);
  };
};

const lineNumberPlugin = (md, enable = false) => {
  const fence = md.renderer.rules.fence;
  md.renderer.rules.fence = (...args) => {
    const rawCode = fence(...args);
    const [tokens, idx] = args;
    const info = tokens[idx].info;
    if (!enable && !/:line-numbers($| |=)/.test(info) || enable && /:no-line-numbers($| )/.test(info)) {
      return rawCode;
    }
    let startLineNumber = 1;
    const matchStartLineNumber = info.match(/=(\d*)/);
    if (matchStartLineNumber && matchStartLineNumber[1]) {
      startLineNumber = parseInt(matchStartLineNumber[1]);
    }
    const code = rawCode.slice(
      rawCode.indexOf("<code>"),
      rawCode.indexOf("</code>")
    );
    const lines = code.split("\n");
    const lineNumbersCode = [...Array(lines.length)].map(
      (_, index) => `<span class="line-number">${index + startLineNumber}</span><br>`
    ).join("");
    const lineNumbersWrapperCode = `<div class="line-numbers-wrapper" aria-hidden="true">${lineNumbersCode}</div>`;
    const finalCode = rawCode.replace(/<\/div>$/, `${lineNumbersWrapperCode}</div>`).replace(/"(language-[^"]*?)"/, '"$1 line-numbers-mode"');
    return finalCode;
  };
};

const indexRE = /(^|.*\/)index.md(#?.*)$/i;
const linkPlugin = (md, externalAttrs, base) => {
  md.renderer.rules.link_open = (tokens, idx, options, env, self) => {
    const token = tokens[idx];
    const hrefIndex = token.attrIndex("href");
    if (hrefIndex >= 0) {
      const hrefAttr = token.attrs[hrefIndex];
      const url = hrefAttr[1];
      if (isExternal(url)) {
        Object.entries(externalAttrs).forEach(([key, val]) => {
          token.attrSet(key, val);
        });
        if (url.replace(EXTERNAL_URL_RE, "").startsWith("//localhost:")) {
          pushLink(url, env);
        }
        hrefAttr[1] = url;
      } else {
        const { pathname, protocol } = new URL$1(url, "http://a.com");
        if (
          // skip internal anchor links
          !url.startsWith("#") && // skip mail/custom protocol links
          protocol.startsWith("http") && // skip links to files (other than html/md)
          treatAsHtml(pathname)
        ) {
          normalizeHref(hrefAttr, env);
        } else if (url.startsWith("#")) {
          hrefAttr[1] = decodeURI(hrefAttr[1]);
        }
        if (hrefAttr[1].startsWith("/")) {
          hrefAttr[1] = `${base}${hrefAttr[1]}`.replace(/\/+/g, "/");
        }
      }
    }
    return self.renderToken(tokens, idx, options);
  };
  function normalizeHref(hrefAttr, env) {
    let url = hrefAttr[1];
    const indexMatch = url.match(indexRE);
    if (indexMatch) {
      const [, path, hash] = indexMatch;
      url = path + hash;
    } else {
      let cleanUrl = url.replace(/[?#].*$/, "");
      if (cleanUrl.endsWith(".md")) {
        cleanUrl = cleanUrl.replace(/\.md$/, env.cleanUrls ? "" : ".html");
      }
      if (!env.cleanUrls && !cleanUrl.endsWith(".html") && !cleanUrl.endsWith("/")) {
        cleanUrl += ".html";
      }
      const parsed = new URL$1(url, "http://a.com");
      url = cleanUrl + parsed.search + parsed.hash;
    }
    if (!url.startsWith("/") && !/^\.\//.test(url)) {
      url = "./" + url;
    }
    pushLink(url.replace(/\.html$/, ""), env);
    hrefAttr[1] = decodeURI(url);
  }
  function pushLink(link, env) {
    const links = env.links || (env.links = []);
    links.push(link);
  }
};

const rawPathRegexp = /^(.+?(?:(?:\.([a-z0-9]+))?))(?:(#[\w-]+))?(?: ?(?:{(\d+(?:[,-]\d+)*)? ?(\S+)?}))? ?(?:\[(.+)\])?$/;
function rawPathToToken(rawPath) {
  const [
    filepath = "",
    extension = "",
    region = "",
    lines = "",
    lang = "",
    rawTitle = ""
  ] = (rawPathRegexp.exec(rawPath) || []).slice(1);
  const title = rawTitle || filepath.split("/").pop() || "";
  return { filepath, extension, region, lines, lang, title };
}
function dedent(text) {
  const lines = text.split("\n");
  const minIndentLength = lines.reduce((acc, line) => {
    for (let i = 0; i < line.length; i++) {
      if (line[i] !== " " && line[i] !== "	")
        return Math.min(i, acc);
    }
    return acc;
  }, Infinity);
  if (minIndentLength < Infinity) {
    return lines.map((x) => x.slice(minIndentLength)).join("\n");
  }
  return text;
}
function testLine(line, regexp, regionName, end = false) {
  const [full, tag, name] = regexp.exec(line.trim()) || [];
  return full && tag && name === regionName && tag.match(end ? /^[Ee]nd ?[rR]egion$/ : /^[rR]egion$/);
}
function findRegion(lines, regionName) {
  const regionRegexps = [
    /^\/\/ ?#?((?:end)?region) ([\w*-]+)$/,
    // javascript, typescript, java
    /^\/\* ?#((?:end)?region) ([\w*-]+) ?\*\/$/,
    // css, less, scss
    /^#pragma ((?:end)?region) ([\w*-]+)$/,
    // C, C++
    /^<!-- #?((?:end)?region) ([\w*-]+) -->$/,
    // HTML, markdown
    /^#((?:End )Region) ([\w*-]+)$/,
    // Visual Basic
    /^::#((?:end)region) ([\w*-]+)$/,
    // Bat
    /^# ?((?:end)?region) ([\w*-]+)$/
    // C#, PHP, Powershell, Python, perl & misc
  ];
  let regexp = null;
  let start = -1;
  for (const [lineId, line] of lines.entries()) {
    if (regexp === null) {
      for (const reg of regionRegexps) {
        if (testLine(line, reg, regionName)) {
          start = lineId + 1;
          regexp = reg;
          break;
        }
      }
    } else if (testLine(line, regexp, regionName, true)) {
      return { start, end: lineId, regexp };
    }
  }
  return null;
}
const snippetPlugin = (md, srcDir) => {
  const parser = (state, startLine, endLine, silent) => {
    const CH = "<".charCodeAt(0);
    const pos = state.bMarks[startLine] + state.tShift[startLine];
    const max = state.eMarks[startLine];
    if (state.sCount[startLine] - state.blkIndent >= 4) {
      return false;
    }
    for (let i = 0; i < 3; ++i) {
      const ch = state.src.charCodeAt(pos + i);
      if (ch !== CH || pos + i >= max)
        return false;
    }
    if (silent) {
      return true;
    }
    const start = pos + 3;
    const end = state.skipSpacesBack(max, pos);
    const rawPath = state.src.slice(start, end).trim().replace(/^@/, srcDir).trim();
    const { filepath, extension, region, lines, lang, title } = rawPathToToken(rawPath);
    state.line = startLine + 1;
    const token = state.push("fence", "code", 0);
    token.info = `${lang || extension}${lines ? `{${lines}}` : ""}${title ? `[${title}]` : ""}`;
    const { realPath, path: _path } = state.env;
    const resolvedPath = path$q.resolve(path$q.dirname(realPath ?? _path), filepath);
    token.src = [resolvedPath, region.slice(1)];
    token.markup = "```";
    token.map = [startLine, startLine + 1];
    return true;
  };
  const fence = md.renderer.rules.fence;
  md.renderer.rules.fence = (...args) => {
    const [tokens, idx, , { includes }] = args;
    const token = tokens[idx];
    const [src, regionName] = token.src ?? [];
    if (!src)
      return fence(...args);
    if (includes) {
      includes.push(src);
    }
    const isAFile = fs$a.statSync(src).isFile();
    if (!fs$a.existsSync(src) || !isAFile) {
      token.content = isAFile ? `Code snippet path not found: ${src}` : `Invalid code snippet option`;
      token.info = "";
      return fence(...args);
    }
    let content = fs$a.readFileSync(src, "utf8").replace(/\r\n/g, "\n");
    if (regionName) {
      const lines = content.split("\n");
      const region = findRegion(lines, regionName);
      if (region) {
        content = dedent(
          lines.slice(region.start, region.end).filter((line) => !region.regexp.test(line.trim())).join("\n")
        );
      }
    }
    token.content = content;
    return fence(...args);
  };
  md.block.ruler.before("fence", "snippet", parser);
};

const markerRE = /^\[\!(TIP|NOTE|INFO|IMPORTANT|WARNING|CAUTION|DANGER)\]([^\n\r]*)/i;
const gitHubAlertsPlugin = (md, options) => {
  const titleMark = {
    tip: options?.tipLabel || "TIP",
    note: options?.noteLabel || "NOTE",
    info: options?.infoLabel || "INFO",
    important: options?.importantLabel || "IMPORTANT",
    warning: options?.warningLabel || "WARNING",
    caution: options?.cautionLabel || "CAUTION",
    danger: options?.dangerLabel || "DANGER"
  };
  md.core.ruler.after("block", "github-alerts", (state) => {
    const tokens = state.tokens;
    for (let i = 0; i < tokens.length; i++) {
      if (tokens[i].type === "blockquote_open") {
        const startIndex = i;
        const open = tokens[startIndex];
        let endIndex = i + 1;
        while (endIndex < tokens.length && (tokens[endIndex].type !== "blockquote_close" || tokens[endIndex].level !== open.level))
          endIndex++;
        if (endIndex === tokens.length)
          continue;
        const close = tokens[endIndex];
        const firstContent = tokens.slice(startIndex, endIndex + 1).find((token) => token.type === "inline");
        if (!firstContent)
          continue;
        const match = firstContent.content.match(markerRE);
        if (!match)
          continue;
        const type = match[1].toLowerCase();
        const title = match[2].trim() || titleMark[type] || capitalize(type);
        firstContent.content = firstContent.content.slice(match[0].length).trimStart();
        open.type = "github_alert_open";
        open.tag = "div";
        open.meta = {
          title,
          type
        };
        close.type = "github_alert_close";
        close.tag = "div";
      }
    }
  });
  md.renderer.rules.github_alert_open = function(tokens, idx) {
    const { title, type } = tokens[idx].meta;
    const attrs = "";
    return `<div class="${type} custom-block github-alert"${attrs}><p class="custom-block-title">${title}</p>
`;
  };
};
function capitalize(str) {
  return str.charAt(0).toUpperCase() + str.slice(1);
}

const createMarkdownRenderer = async (srcDir, options = {}, base = "/", logger = console) => {
  const theme = options.theme ?? { light: "github-light", dark: "github-dark" };
  const hasSingleTheme = typeof theme === "string" || "name" in theme;
  const md = MarkdownIt({
    html: true,
    linkify: true,
    highlight: options.highlight || await highlight(theme, options, logger),
    ...options
  });
  md.linkify.set({ fuzzyLink: false });
  if (options.preConfig) {
    options.preConfig(md);
  }
  md.use(componentPlugin, { ...options.component }).use(highlightLinePlugin).use(preWrapperPlugin, { hasSingleTheme }).use(snippetPlugin, srcDir).use(containerPlugin, { hasSingleTheme }, options.container).use(imagePlugin, options.image).use(
    linkPlugin,
    { target: "_blank", rel: "noreferrer", ...options.externalLinks },
    base
  ).use(lineNumberPlugin, options.lineNumbers);
  if (options.gfmAlerts !== false) {
    md.use(gitHubAlertsPlugin);
  }
  if (!options.attrs?.disable) {
    md.use(attrsPlugin, options.attrs);
  }
  md.use(emoji_plugin, { ...options.emoji });
  md.use(p, {
    slugify,
    permalink: p.permalink.linkInsideHeader({
      symbol: "&ZeroWidthSpace;",
      renderAttrs: (slug, state) => {
        const idx = state.tokens.findIndex((token) => {
          const attrs = token.attrs;
          const id = attrs?.find((attr) => attr[0] === "id");
          return id && slug === id[1];
        });
        const title = state.tokens[idx + 1].content;
        return {
          "aria-label": `Permalink to "${title}"`
        };
      }
    }),
    ...options.anchor
  }).use(frontmatterPlugin, {
    ...options.frontmatter
  });
  if (options.headers) {
    md.use(headersPlugin, {
      level: [2, 3, 4, 5, 6],
      slugify,
      ...typeof options.headers === "boolean" ? void 0 : options.headers
    });
  }
  md.use(sfcPlugin, {
    ...options.sfc
  }).use(titlePlugin).use(tocPlugin, {
    ...options.toc
  });
  if (options.math) {
    try {
      const mathPlugin = await import('markdown-it-mathjax3');
      md.use(mathPlugin.default ?? mathPlugin, {
        ...typeof options.math === "boolean" ? {} : options.math
      });
    } catch (error) {
      throw new Error(
        "You need to install `markdown-it-mathjax3` to use math support."
      );
    }
  }
  if (options.config) {
    options.config(md);
  }
  return md;
};

var crossSpawn = {exports: {}};

var windows;
var hasRequiredWindows;

function requireWindows () {
	if (hasRequiredWindows) return windows;
	hasRequiredWindows = 1;
	windows = isexe;
	isexe.sync = sync;

	var fs = fs__default;

	function checkPathExt (path, options) {
	  var pathext = options.pathExt !== undefined ?
	    options.pathExt : process.env.PATHEXT;

	  if (!pathext) {
	    return true
	  }

	  pathext = pathext.split(';');
	  if (pathext.indexOf('') !== -1) {
	    return true
	  }
	  for (var i = 0; i < pathext.length; i++) {
	    var p = pathext[i].toLowerCase();
	    if (p && path.substr(-p.length).toLowerCase() === p) {
	      return true
	    }
	  }
	  return false
	}

	function checkStat (stat, path, options) {
	  if (!stat.isSymbolicLink() && !stat.isFile()) {
	    return false
	  }
	  return checkPathExt(path, options)
	}

	function isexe (path, options, cb) {
	  fs.stat(path, function (er, stat) {
	    cb(er, er ? false : checkStat(stat, path, options));
	  });
	}

	function sync (path, options) {
	  return checkStat(fs.statSync(path), path, options)
	}
	return windows;
}

var mode;
var hasRequiredMode;

function requireMode () {
	if (hasRequiredMode) return mode;
	hasRequiredMode = 1;
	mode = isexe;
	isexe.sync = sync;

	var fs = fs__default;

	function isexe (path, options, cb) {
	  fs.stat(path, function (er, stat) {
	    cb(er, er ? false : checkStat(stat, options));
	  });
	}

	function sync (path, options) {
	  return checkStat(fs.statSync(path), options)
	}

	function checkStat (stat, options) {
	  return stat.isFile() && checkMode(stat, options)
	}

	function checkMode (stat, options) {
	  var mod = stat.mode;
	  var uid = stat.uid;
	  var gid = stat.gid;

	  var myUid = options.uid !== undefined ?
	    options.uid : process.getuid && process.getuid();
	  var myGid = options.gid !== undefined ?
	    options.gid : process.getgid && process.getgid();

	  var u = parseInt('100', 8);
	  var g = parseInt('010', 8);
	  var o = parseInt('001', 8);
	  var ug = u | g;

	  var ret = (mod & o) ||
	    (mod & g) && gid === myGid ||
	    (mod & u) && uid === myUid ||
	    (mod & ug) && myUid === 0;

	  return ret
	}
	return mode;
}

var core;
if (process.platform === 'win32' || commonjsGlobal.TESTING_WINDOWS) {
  core = requireWindows();
} else {
  core = requireMode();
}

var isexe_1 = isexe$1;
isexe$1.sync = sync;

function isexe$1 (path, options, cb) {
  if (typeof options === 'function') {
    cb = options;
    options = {};
  }

  if (!cb) {
    if (typeof Promise !== 'function') {
      throw new TypeError('callback not provided')
    }

    return new Promise(function (resolve, reject) {
      isexe$1(path, options || {}, function (er, is) {
        if (er) {
          reject(er);
        } else {
          resolve(is);
        }
      });
    })
  }

  core(path, options || {}, function (er, is) {
    // ignore EACCES because that just means we aren't allowed to run it
    if (er) {
      if (er.code === 'EACCES' || options && options.ignoreErrors) {
        er = null;
        is = false;
      }
    }
    cb(er, is);
  });
}

function sync (path, options) {
  // my kingdom for a filtered catch
  try {
    return core.sync(path, options || {})
  } catch (er) {
    if (options && options.ignoreErrors || er.code === 'EACCES') {
      return false
    } else {
      throw er
    }
  }
}

const isWindows = process.platform === 'win32' ||
    process.env.OSTYPE === 'cygwin' ||
    process.env.OSTYPE === 'msys';

const path$2 = path$q;
const COLON = isWindows ? ';' : ':';
const isexe = isexe_1;

const getNotFoundError = (cmd) =>
  Object.assign(new Error(`not found: ${cmd}`), { code: 'ENOENT' });

const getPathInfo = (cmd, opt) => {
  const colon = opt.colon || COLON;

  // If it has a slash, then we don't bother searching the pathenv.
  // just check the file itself, and that's it.
  const pathEnv = cmd.match(/\//) || isWindows && cmd.match(/\\/) ? ['']
    : (
      [
        // windows always checks the cwd first
        ...(isWindows ? [process.cwd()] : []),
        ...(opt.path || process.env.PATH ||
          /* istanbul ignore next: very unusual */ '').split(colon),
      ]
    );
  const pathExtExe = isWindows
    ? opt.pathExt || process.env.PATHEXT || '.EXE;.CMD;.BAT;.COM'
    : '';
  const pathExt = isWindows ? pathExtExe.split(colon) : [''];

  if (isWindows) {
    if (cmd.indexOf('.') !== -1 && pathExt[0] !== '')
      pathExt.unshift('');
  }

  return {
    pathEnv,
    pathExt,
    pathExtExe,
  }
};

const which$1 = (cmd, opt, cb) => {
  if (typeof opt === 'function') {
    cb = opt;
    opt = {};
  }
  if (!opt)
    opt = {};

  const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt);
  const found = [];

  const step = i => new Promise((resolve, reject) => {
    if (i === pathEnv.length)
      return opt.all && found.length ? resolve(found)
        : reject(getNotFoundError(cmd))

    const ppRaw = pathEnv[i];
    const pathPart = /^".*"$/.test(ppRaw) ? ppRaw.slice(1, -1) : ppRaw;

    const pCmd = path$2.join(pathPart, cmd);
    const p = !pathPart && /^\.[\\\/]/.test(cmd) ? cmd.slice(0, 2) + pCmd
      : pCmd;

    resolve(subStep(p, i, 0));
  });

  const subStep = (p, i, ii) => new Promise((resolve, reject) => {
    if (ii === pathExt.length)
      return resolve(step(i + 1))
    const ext = pathExt[ii];
    isexe(p + ext, { pathExt: pathExtExe }, (er, is) => {
      if (!er && is) {
        if (opt.all)
          found.push(p + ext);
        else
          return resolve(p + ext)
      }
      return resolve(subStep(p, i, ii + 1))
    });
  });

  return cb ? step(0).then(res => cb(null, res), cb) : step(0)
};

const whichSync = (cmd, opt) => {
  opt = opt || {};

  const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt);
  const found = [];

  for (let i = 0; i < pathEnv.length; i ++) {
    const ppRaw = pathEnv[i];
    const pathPart = /^".*"$/.test(ppRaw) ? ppRaw.slice(1, -1) : ppRaw;

    const pCmd = path$2.join(pathPart, cmd);
    const p = !pathPart && /^\.[\\\/]/.test(cmd) ? cmd.slice(0, 2) + pCmd
      : pCmd;

    for (let j = 0; j < pathExt.length; j ++) {
      const cur = p + pathExt[j];
      try {
        const is = isexe.sync(cur, { pathExt: pathExtExe });
        if (is) {
          if (opt.all)
            found.push(cur);
          else
            return cur
        }
      } catch (ex) {}
    }
  }

  if (opt.all && found.length)
    return found

  if (opt.nothrow)
    return null

  throw getNotFoundError(cmd)
};

var which_1 = which$1;
which$1.sync = whichSync;

var pathKey$1 = {exports: {}};

const pathKey = (options = {}) => {
	const environment = options.env || process.env;
	const platform = options.platform || process.platform;

	if (platform !== 'win32') {
		return 'PATH';
	}

	return Object.keys(environment).reverse().find(key => key.toUpperCase() === 'PATH') || 'Path';
};

pathKey$1.exports = pathKey;
// TODO: Remove this for the next major release
pathKey$1.exports.default = pathKey;

var pathKeyExports = pathKey$1.exports;

const path$1 = path$q;
const which = which_1;
const getPathKey = pathKeyExports;

function resolveCommandAttempt(parsed, withoutPathExt) {
    const env = parsed.options.env || process.env;
    const cwd = process.cwd();
    const hasCustomCwd = parsed.options.cwd != null;
    // Worker threads do not have process.chdir()
    const shouldSwitchCwd = hasCustomCwd && process.chdir !== undefined && !process.chdir.disabled;

    // If a custom `cwd` was specified, we need to change the process cwd
    // because `which` will do stat calls but does not support a custom cwd
    if (shouldSwitchCwd) {
        try {
            process.chdir(parsed.options.cwd);
        } catch (err) {
            /* Empty */
        }
    }

    let resolved;

    try {
        resolved = which.sync(parsed.command, {
            path: env[getPathKey({ env })],
            pathExt: withoutPathExt ? path$1.delimiter : undefined,
        });
    } catch (e) {
        /* Empty */
    } finally {
        if (shouldSwitchCwd) {
            process.chdir(cwd);
        }
    }

    // If we successfully resolved, ensure that an absolute path is returned
    // Note that when a custom `cwd` was used, we need to resolve to an absolute path based on it
    if (resolved) {
        resolved = path$1.resolve(hasCustomCwd ? parsed.options.cwd : '', resolved);
    }

    return resolved;
}

function resolveCommand$1(parsed) {
    return resolveCommandAttempt(parsed) || resolveCommandAttempt(parsed, true);
}

var resolveCommand_1 = resolveCommand$1;

var _escape = {};

// See http://www.robvanderwoude.com/escapechars.php
const metaCharsRegExp = /([()\][%!^"`<>&|;, *?])/g;

function escapeCommand(arg) {
    // Escape meta chars
    arg = arg.replace(metaCharsRegExp, '^$1');

    return arg;
}

function escapeArgument(arg, doubleEscapeMetaChars) {
    // Convert to string
    arg = `${arg}`;

    // Algorithm below is based on https://qntm.org/cmd

    // Sequence of backslashes followed by a double quote:
    // double up all the backslashes and escape the double quote
    arg = arg.replace(/(\\*)"/g, '$1$1\\"');

    // Sequence of backslashes followed by the end of the string
    // (which will become a double quote later):
    // double up all the backslashes
    arg = arg.replace(/(\\*)$/, '$1$1');

    // All other backslashes occur literally

    // Quote the whole thing:
    arg = `"${arg}"`;

    // Escape meta chars
    arg = arg.replace(metaCharsRegExp, '^$1');

    // Double escape meta chars if necessary
    if (doubleEscapeMetaChars) {
        arg = arg.replace(metaCharsRegExp, '^$1');
    }

    return arg;
}

_escape.command = escapeCommand;
_escape.argument = escapeArgument;

var shebangRegex$1 = /^#!(.*)/;

const shebangRegex = shebangRegex$1;

var shebangCommand$1 = (string = '') => {
	const match = string.match(shebangRegex);

	if (!match) {
		return null;
	}

	const [path, argument] = match[0].replace(/#! ?/, '').split(' ');
	const binary = path.split('/').pop();

	if (binary === 'env') {
		return argument;
	}

	return argument ? `${binary} ${argument}` : binary;
};

const fs = fs__default;
const shebangCommand = shebangCommand$1;

function readShebang$1(command) {
    // Read the first 150 bytes from the file
    const size = 150;
    const buffer = Buffer.alloc(size);

    let fd;

    try {
        fd = fs.openSync(command, 'r');
        fs.readSync(fd, buffer, 0, size, 0);
        fs.closeSync(fd);
    } catch (e) { /* Empty */ }

    // Attempt to extract shebang (null is returned if not a shebang)
    return shebangCommand(buffer.toString());
}

var readShebang_1 = readShebang$1;

const path = path$q;
const resolveCommand = resolveCommand_1;
const escape$2 = _escape;
const readShebang = readShebang_1;

const isWin$2 = process.platform === 'win32';
const isExecutableRegExp = /\.(?:com|exe)$/i;
const isCmdShimRegExp = /node_modules[\\/].bin[\\/][^\\/]+\.cmd$/i;

function detectShebang(parsed) {
    parsed.file = resolveCommand(parsed);

    const shebang = parsed.file && readShebang(parsed.file);

    if (shebang) {
        parsed.args.unshift(parsed.file);
        parsed.command = shebang;

        return resolveCommand(parsed);
    }

    return parsed.file;
}

function parseNonShell(parsed) {
    if (!isWin$2) {
        return parsed;
    }

    // Detect & add support for shebangs
    const commandFile = detectShebang(parsed);

    // We don't need a shell if the command filename is an executable
    const needsShell = !isExecutableRegExp.test(commandFile);

    // If a shell is required, use cmd.exe and take care of escaping everything correctly
    // Note that `forceShell` is an hidden option used only in tests
    if (parsed.options.forceShell || needsShell) {
        // Need to double escape meta chars if the command is a cmd-shim located in `node_modules/.bin/`
        // The cmd-shim simply calls execute the package bin file with NodeJS, proxying any argument
        // Because the escape of metachars with ^ gets interpreted when the cmd.exe is first called,
        // we need to double escape them
        const needsDoubleEscapeMetaChars = isCmdShimRegExp.test(commandFile);

        // Normalize posix paths into OS compatible paths (e.g.: foo/bar -> foo\bar)
        // This is necessary otherwise it will always fail with ENOENT in those cases
        parsed.command = path.normalize(parsed.command);

        // Escape command & arguments
        parsed.command = escape$2.command(parsed.command);
        parsed.args = parsed.args.map((arg) => escape$2.argument(arg, needsDoubleEscapeMetaChars));

        const shellCommand = [parsed.command].concat(parsed.args).join(' ');

        parsed.args = ['/d', '/s', '/c', `"${shellCommand}"`];
        parsed.command = process.env.comspec || 'cmd.exe';
        parsed.options.windowsVerbatimArguments = true; // Tell node's spawn that the arguments are already escaped
    }

    return parsed;
}

function parse$3(command, args, options) {
    // Normalize arguments, similar to nodejs
    if (args && !Array.isArray(args)) {
        options = args;
        args = null;
    }

    args = args ? args.slice(0) : []; // Clone array to avoid changing the original
    options = Object.assign({}, options); // Clone object to avoid changing the original

    // Build our parsed object
    const parsed = {
        command,
        args,
        options,
        file: undefined,
        original: {
            command,
            args,
        },
    };

    // Delegate further parsing to shell or non-shell
    return options.shell ? parsed : parseNonShell(parsed);
}

var parse_1 = parse$3;

const isWin$1 = process.platform === 'win32';

function notFoundError(original, syscall) {
    return Object.assign(new Error(`${syscall} ${original.command} ENOENT`), {
        code: 'ENOENT',
        errno: 'ENOENT',
        syscall: `${syscall} ${original.command}`,
        path: original.command,
        spawnargs: original.args,
    });
}

function hookChildProcess(cp, parsed) {
    if (!isWin$1) {
        return;
    }

    const originalEmit = cp.emit;

    cp.emit = function (name, arg1) {
        // If emitting "exit" event and exit code is 1, we need to check if
        // the command exists and emit an "error" instead
        // See https://github.com/IndigoUnited/node-cross-spawn/issues/16
        if (name === 'exit') {
            const err = verifyENOENT(arg1, parsed);

            if (err) {
                return originalEmit.call(cp, 'error', err);
            }
        }

        return originalEmit.apply(cp, arguments); // eslint-disable-line prefer-rest-params
    };
}

function verifyENOENT(status, parsed) {
    if (isWin$1 && status === 1 && !parsed.file) {
        return notFoundError(parsed.original, 'spawn');
    }

    return null;
}

function verifyENOENTSync(status, parsed) {
    if (isWin$1 && status === 1 && !parsed.file) {
        return notFoundError(parsed.original, 'spawnSync');
    }

    return null;
}

var enoent$1 = {
    hookChildProcess,
    verifyENOENT,
    verifyENOENTSync,
    notFoundError,
};

const cp = require$$0$7;
const parse$2 = parse_1;
const enoent = enoent$1;

function spawn(command, args, options) {
    // Parse the arguments
    const parsed = parse$2(command, args, options);

    // Spawn the child process
    const spawned = cp.spawn(parsed.command, parsed.args, parsed.options);

    // Hook into child process "exit" event to emit an error if the command
    // does not exists, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16
    enoent.hookChildProcess(spawned, parsed);

    return spawned;
}

function spawnSync(command, args, options) {
    // Parse the arguments
    const parsed = parse$2(command, args, options);

    // Spawn the child process
    const result = cp.spawnSync(parsed.command, parsed.args, parsed.options);

    // Analyze if the command does not exist, see: https://github.com/IndigoUnited/node-cross-spawn/issues/16
    result.error = result.error || enoent.verifyENOENTSync(result.status, parsed);

    return result;
}

crossSpawn.exports = spawn;
var spawn_1 = crossSpawn.exports.spawn = spawn;
crossSpawn.exports.sync = spawnSync;

crossSpawn.exports._parse = parse$2;
crossSpawn.exports._enoent = enoent;

const cache$2 = /* @__PURE__ */ new Map();
function getGitTimestamp(file) {
  const cached = cache$2.get(file);
  if (cached)
    return cached;
  return new Promise((resolve, reject) => {
    const cwd = dirname(file);
    if (!fs$a.existsSync(cwd))
      return resolve(0);
    const fileName = basename(file);
    const child = spawn_1("git", ["log", "-1", '--pretty="%ai"', fileName], {
      cwd
    });
    let output = "";
    child.stdout.on("data", (d) => output += String(d));
    child.on("close", () => {
      const timestamp = +new Date(output);
      cache$2.set(file, timestamp);
      resolve(timestamp);
    });
    child.on("error", reject);
  });
}

function processIncludes(srcDir, src, file, includes) {
  const includesRE = /<!--\s*@include:\s*(.*?)\s*-->/g;
  const rangeRE = /\{(\d*),(\d*)\}$/;
  return src.replace(includesRE, (m, m1) => {
    if (!m1.length)
      return m;
    const range = m1.match(rangeRE);
    range && (m1 = m1.slice(0, -range[0].length));
    const atPresent = m1[0] === "@";
    try {
      const includePath = atPresent ? path$q.join(srcDir, m1.slice(m1[1] === "/" ? 2 : 1)) : path$q.join(path$q.dirname(file), m1);
      let content = fs$a.readFileSync(includePath, "utf-8");
      if (range) {
        const [, startLine, endLine] = range;
        const lines = content.split(/\r?\n/);
        content = lines.slice(
          startLine ? parseInt(startLine, 10) - 1 : void 0,
          endLine ? parseInt(endLine, 10) : void 0
        ).join("\n");
      } else {
        content = matter$1(content).content;
      }
      includes.push(slash(includePath));
      return processIncludes(srcDir, content, includePath, includes);
    } catch (error) {
      return m;
    }
  });
}

const debug$1 = _debug("vitepress:md");
const cache$1 = new LRUCache({ max: 1024 });
function clearCache(file) {
  if (!file) {
    cache$1.clear();
    return;
  }
  file = JSON.stringify({ file }).slice(1);
  cache$1.find((_, key) => key.endsWith(file) && cache$1.delete(key));
}
async function createMarkdownToVueRenderFn(srcDir, options = {}, pages, isBuild = false, base = "/", includeLastUpdatedData = false, cleanUrls = false, siteConfig = null) {
  const md = await createMarkdownRenderer(
    srcDir,
    options,
    base,
    siteConfig?.logger
  );
  pages = pages.map((p) => slash(p.replace(/\.md$/, "")));
  return async (src, file, publicDir) => {
    const fileOrig = file;
    const alias = siteConfig?.rewrites.map[file] || // virtual dynamic path file
    siteConfig?.rewrites.map[file.slice(srcDir.length + 1)];
    file = alias ? path$q.join(srcDir, alias) : file;
    const relativePath = slash(path$q.relative(srcDir, file));
    const cacheKey = JSON.stringify({ src, file: fileOrig });
    if (isBuild || options.cache !== false) {
      const cached = cache$1.get(cacheKey);
      if (cached) {
        debug$1(`[cache hit] ${relativePath}`);
        return cached;
      }
    }
    const start = Date.now();
    let params;
    src = src.replace(
      /^__VP_PARAMS_START([^]+?)__VP_PARAMS_END__/,
      (_, paramsString) => {
        params = JSON.parse(paramsString);
        return "";
      }
    );
    let includes = [];
    src = processIncludes(srcDir, src, fileOrig, includes);
    const env = {
      path: file,
      relativePath,
      cleanUrls,
      includes,
      realPath: fileOrig
    };
    const html = md.render(src, env);
    const {
      frontmatter = {},
      headers = [],
      links = [],
      sfcBlocks,
      title = ""
    } = env;
    const deadLinks = [];
    const recordDeadLink = (url) => {
      deadLinks.push({ url, file: path$q.relative(srcDir, fileOrig) });
    };
    function shouldIgnoreDeadLink(url) {
      if (!siteConfig?.ignoreDeadLinks) {
        return false;
      }
      if (siteConfig.ignoreDeadLinks === true) {
        return true;
      }
      if (siteConfig.ignoreDeadLinks === "localhostLinks") {
        return url.replace(EXTERNAL_URL_RE, "").startsWith("//localhost");
      }
      return siteConfig.ignoreDeadLinks.some((ignore) => {
        if (typeof ignore === "string") {
          return url === ignore;
        }
        if (ignore instanceof RegExp) {
          return ignore.test(url);
        }
        if (typeof ignore === "function") {
          return ignore(url);
        }
        return false;
      });
    }
    if (links) {
      const dir = path$q.dirname(file);
      for (let url of links) {
        const { pathname } = new URL(url, "http://a.com");
        if (!treatAsHtml(pathname))
          continue;
        url = url.replace(/[?#].*$/, "").replace(/\.(html|md)$/, "");
        if (url.endsWith("/"))
          url += `index`;
        let resolved = decodeURIComponent(
          slash(
            url.startsWith("/") ? url.slice(1) : path$q.relative(srcDir, path$q.resolve(dir, url))
          )
        );
        resolved = siteConfig?.rewrites.inv[resolved + ".md"]?.slice(0, -3) || resolved;
        if (!pages.includes(resolved) && !fs$a.existsSync(path$q.resolve(dir, publicDir, `${resolved}.html`)) && !shouldIgnoreDeadLink(url)) {
          recordDeadLink(url);
        }
      }
    }
    let pageData = {
      title: inferTitle(md, frontmatter, title),
      titleTemplate: frontmatter.titleTemplate,
      description: inferDescription(frontmatter),
      frontmatter,
      headers,
      params,
      relativePath,
      filePath: slash(path$q.relative(srcDir, fileOrig))
    };
    if (includeLastUpdatedData) {
      pageData.lastUpdated = await getGitTimestamp(fileOrig);
    }
    if (siteConfig?.transformPageData) {
      const dataToMerge = await siteConfig.transformPageData(pageData, {
        siteConfig
      });
      if (dataToMerge) {
        pageData = {
          ...pageData,
          ...dataToMerge
        };
      }
    }
    const vueSrc = [
      ...injectPageDataCode(
        sfcBlocks?.scripts.map((item) => item.content) ?? [],
        pageData
      ),
      `<template><div>${html}</div></template>`,
      ...sfcBlocks?.styles.map((item) => item.content) ?? [],
      ...sfcBlocks?.customBlocks.map((item) => item.content) ?? []
    ].join("\n");
    debug$1(`[render] ${file} in ${Date.now() - start}ms.`);
    const result = {
      vueSrc,
      pageData,
      deadLinks,
      includes
    };
    if (isBuild || options.cache !== false) {
      cache$1.set(cacheKey, result);
    }
    return result;
  };
}
const scriptRE = /<\/script>/;
const scriptLangTsRE = /<\s*script[^>]*\blang=['"]ts['"][^>]*/;
const scriptSetupRE = /<\s*script[^>]*\bsetup\b[^>]*/;
const scriptClientRE$1 = /<\s*script[^>]*\bclient\b[^>]*/;
const defaultExportRE = /((?:^|\n|;)\s*)export(\s*)default/;
const namedDefaultExportRE = /((?:^|\n|;)\s*)export(.+)as(\s*)default/;
function injectPageDataCode(tags, data) {
  const code = `
export const __pageData = JSON.parse(${JSON.stringify(
    JSON.stringify(data)
  )})`;
  const existingScriptIndex = tags.findIndex((tag) => {
    return scriptRE.test(tag) && !scriptSetupRE.test(tag) && !scriptClientRE$1.test(tag);
  });
  const isUsingTS = tags.findIndex((tag) => scriptLangTsRE.test(tag)) > -1;
  if (existingScriptIndex > -1) {
    const tagSrc = tags[existingScriptIndex];
    const hasDefaultExport = defaultExportRE.test(tagSrc) || namedDefaultExportRE.test(tagSrc);
    tags[existingScriptIndex] = tagSrc.replace(
      scriptRE,
      code + (hasDefaultExport ? `` : `
export default {name:${JSON.stringify(data.relativePath)}}`) + `<\/script>`
    );
  } else {
    tags.unshift(
      `<script ${isUsingTS ? 'lang="ts"' : ""}>${code}
export default {name:${JSON.stringify(
        data.relativePath
      )}}<\/script>`
    );
  }
  return tags;
}
const inferTitle = (md, frontmatter, title) => {
  if (typeof frontmatter.title === "string") {
    const titleToken = md.parseInline(frontmatter.title, {})[0];
    if (titleToken) {
      return resolveTitleFromToken(titleToken, {
        shouldAllowHtml: false,
        shouldEscapeText: false
      });
    }
  }
  return title;
};
const inferDescription = (frontmatter) => {
  const { description, head } = frontmatter;
  if (description !== void 0) {
    return description;
  }
  return head && getHeadMetaContent(head, "description") || "";
};
const getHeadMetaContent = (head, name) => {
  if (!head || !head.length) {
    return void 0;
  }
  const meta = head.find(([tag, attrs = {}]) => {
    return tag === "meta" && attrs.name === name && attrs.content;
  });
  return meta && meta[1].content;
};

function serializeFunctions(value, key) {
  if (Array.isArray(value)) {
    return value.map((v) => serializeFunctions(v));
  } else if (typeof value === "object" && value !== null) {
    return Object.keys(value).reduce((acc, key2) => {
      if (key2[0] === "_")
        return acc;
      acc[key2] = serializeFunctions(value[key2], key2);
      return acc;
    }, {});
  } else if (typeof value === "function") {
    let serialized = value.toString();
    if (key && (serialized.startsWith(key) || serialized.startsWith("async " + key))) {
      serialized = serialized.replace(key, "function");
    }
    return `_vp-fn_${serialized}`;
  } else {
    return value;
  }
}
const deserializeFunctions = 'function deserializeFunctions(r){return Array.isArray(r)?r.map(deserializeFunctions):typeof r=="object"&&r!==null?Object.keys(r).reduce((t,n)=>(t[n]=deserializeFunctions(r[n]),t),{}):typeof r=="string"&&r.startsWith("_vp-fn_")?new Function(`return ${r.slice(7)}`)():r}';

const ANSI_BACKGROUND_OFFSET = 10;

const wrapAnsi16 = (offset = 0) => code => `\u001B[${code + offset}m`;

const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;

const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u001B[${38 + offset};2;${red};${green};${blue}m`;

const styles$1 = {
	modifier: {
		reset: [0, 0],
		// 21 isn't widely supported and 22 does the same thing
		bold: [1, 22],
		dim: [2, 22],
		italic: [3, 23],
		underline: [4, 24],
		overline: [53, 55],
		inverse: [7, 27],
		hidden: [8, 28],
		strikethrough: [9, 29],
	},
	color: {
		black: [30, 39],
		red: [31, 39],
		green: [32, 39],
		yellow: [33, 39],
		blue: [34, 39],
		magenta: [35, 39],
		cyan: [36, 39],
		white: [37, 39],

		// Bright color
		blackBright: [90, 39],
		gray: [90, 39], // Alias of `blackBright`
		grey: [90, 39], // Alias of `blackBright`
		redBright: [91, 39],
		greenBright: [92, 39],
		yellowBright: [93, 39],
		blueBright: [94, 39],
		magentaBright: [95, 39],
		cyanBright: [96, 39],
		whiteBright: [97, 39],
	},
	bgColor: {
		bgBlack: [40, 49],
		bgRed: [41, 49],
		bgGreen: [42, 49],
		bgYellow: [43, 49],
		bgBlue: [44, 49],
		bgMagenta: [45, 49],
		bgCyan: [46, 49],
		bgWhite: [47, 49],

		// Bright color
		bgBlackBright: [100, 49],
		bgGray: [100, 49], // Alias of `bgBlackBright`
		bgGrey: [100, 49], // Alias of `bgBlackBright`
		bgRedBright: [101, 49],
		bgGreenBright: [102, 49],
		bgYellowBright: [103, 49],
		bgBlueBright: [104, 49],
		bgMagentaBright: [105, 49],
		bgCyanBright: [106, 49],
		bgWhiteBright: [107, 49],
	},
};

Object.keys(styles$1.modifier);
const foregroundColorNames = Object.keys(styles$1.color);
const backgroundColorNames = Object.keys(styles$1.bgColor);
[...foregroundColorNames, ...backgroundColorNames];

function assembleStyles() {
	const codes = new Map();

	for (const [groupName, group] of Object.entries(styles$1)) {
		for (const [styleName, style] of Object.entries(group)) {
			styles$1[styleName] = {
				open: `\u001B[${style[0]}m`,
				close: `\u001B[${style[1]}m`,
			};

			group[styleName] = styles$1[styleName];

			codes.set(style[0], style[1]);
		}

		Object.defineProperty(styles$1, groupName, {
			value: group,
			enumerable: false,
		});
	}

	Object.defineProperty(styles$1, 'codes', {
		value: codes,
		enumerable: false,
	});

	styles$1.color.close = '\u001B[39m';
	styles$1.bgColor.close = '\u001B[49m';

	styles$1.color.ansi = wrapAnsi16();
	styles$1.color.ansi256 = wrapAnsi256();
	styles$1.color.ansi16m = wrapAnsi16m();
	styles$1.bgColor.ansi = wrapAnsi16(ANSI_BACKGROUND_OFFSET);
	styles$1.bgColor.ansi256 = wrapAnsi256(ANSI_BACKGROUND_OFFSET);
	styles$1.bgColor.ansi16m = wrapAnsi16m(ANSI_BACKGROUND_OFFSET);

	// From https://github.com/Qix-/color-convert/blob/3f0e0d4e92e235796ccb17f6e85c72094a651f49/conversions.js
	Object.defineProperties(styles$1, {
		rgbToAnsi256: {
			value(red, green, blue) {
				// We use the extended greyscale palette here, with the exception of
				// black and white. normal palette only has 4 greyscale shades.
				if (red === green && green === blue) {
					if (red < 8) {
						return 16;
					}

					if (red > 248) {
						return 231;
					}

					return Math.round(((red - 8) / 247) * 24) + 232;
				}

				return 16
					+ (36 * Math.round(red / 255 * 5))
					+ (6 * Math.round(green / 255 * 5))
					+ Math.round(blue / 255 * 5);
			},
			enumerable: false,
		},
		hexToRgb: {
			value(hex) {
				const matches = /[a-f\d]{6}|[a-f\d]{3}/i.exec(hex.toString(16));
				if (!matches) {
					return [0, 0, 0];
				}

				let [colorString] = matches;

				if (colorString.length === 3) {
					colorString = [...colorString].map(character => character + character).join('');
				}

				const integer = Number.parseInt(colorString, 16);

				return [
					/* eslint-disable no-bitwise */
					(integer >> 16) & 0xFF,
					(integer >> 8) & 0xFF,
					integer & 0xFF,
					/* eslint-enable no-bitwise */
				];
			},
			enumerable: false,
		},
		hexToAnsi256: {
			value: hex => styles$1.rgbToAnsi256(...styles$1.hexToRgb(hex)),
			enumerable: false,
		},
		ansi256ToAnsi: {
			value(code) {
				if (code < 8) {
					return 30 + code;
				}

				if (code < 16) {
					return 90 + (code - 8);
				}

				let red;
				let green;
				let blue;

				if (code >= 232) {
					red = (((code - 232) * 10) + 8) / 255;
					green = red;
					blue = red;
				} else {
					code -= 16;

					const remainder = code % 36;

					red = Math.floor(code / 36) / 5;
					green = Math.floor(remainder / 6) / 5;
					blue = (remainder % 6) / 5;
				}

				const value = Math.max(red, green, blue) * 2;

				if (value === 0) {
					return 30;
				}

				// eslint-disable-next-line no-bitwise
				let result = 30 + ((Math.round(blue) << 2) | (Math.round(green) << 1) | Math.round(red));

				if (value === 2) {
					result += 60;
				}

				return result;
			},
			enumerable: false,
		},
		rgbToAnsi: {
			value: (red, green, blue) => styles$1.ansi256ToAnsi(styles$1.rgbToAnsi256(red, green, blue)),
			enumerable: false,
		},
		hexToAnsi: {
			value: hex => styles$1.ansi256ToAnsi(styles$1.hexToAnsi256(hex)),
			enumerable: false,
		},
	});

	return styles$1;
}

const ansiStyles = assembleStyles();

/* eslint-env browser */

const level = (() => {

	if (/\b(Chrome|Chromium)\//.test(undefined)) {
		return 1;
	}

	return 0;
})();

const colorSupport = level !== 0 && {
	level,
	hasBasic: true,
	has256: level >= 2,
	has16m: level >= 3,
};

const supportsColor = {
	stdout: colorSupport,
	stderr: colorSupport,
};

// TODO: When targeting Node.js 16, use `String.prototype.replaceAll`.
function stringReplaceAll(string, substring, replacer) {
	let index = string.indexOf(substring);
	if (index === -1) {
		return string;
	}

	const substringLength = substring.length;
	let endIndex = 0;
	let returnValue = '';
	do {
		returnValue += string.slice(endIndex, index) + substring + replacer;
		endIndex = index + substringLength;
		index = string.indexOf(substring, endIndex);
	} while (index !== -1);

	returnValue += string.slice(endIndex);
	return returnValue;
}

function stringEncaseCRLFWithFirstIndex(string, prefix, postfix, index) {
	let endIndex = 0;
	let returnValue = '';
	do {
		const gotCR = string[index - 1] === '\r';
		returnValue += string.slice(endIndex, (gotCR ? index - 1 : index)) + prefix + (gotCR ? '\r\n' : '\n') + postfix;
		endIndex = index + 1;
		index = string.indexOf('\n', endIndex);
	} while (index !== -1);

	returnValue += string.slice(endIndex);
	return returnValue;
}

const {stdout: stdoutColor, stderr: stderrColor} = supportsColor;

const GENERATOR = Symbol('GENERATOR');
const STYLER = Symbol('STYLER');
const IS_EMPTY = Symbol('IS_EMPTY');

// `supportsColor.level` → `ansiStyles.color[name]` mapping
const levelMapping = [
	'ansi',
	'ansi',
	'ansi256',
	'ansi16m',
];

const styles = Object.create(null);

const applyOptions = (object, options = {}) => {
	if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) {
		throw new Error('The `level` option should be an integer from 0 to 3');
	}

	// Detect level if not set manually
	const colorLevel = stdoutColor ? stdoutColor.level : 0;
	object.level = options.level === undefined ? colorLevel : options.level;
};

const chalkFactory = options => {
	const chalk = (...strings) => strings.join(' ');
	applyOptions(chalk, options);

	Object.setPrototypeOf(chalk, createChalk.prototype);

	return chalk;
};

function createChalk(options) {
	return chalkFactory(options);
}

Object.setPrototypeOf(createChalk.prototype, Function.prototype);

for (const [styleName, style] of Object.entries(ansiStyles)) {
	styles[styleName] = {
		get() {
			const builder = createBuilder(this, createStyler(style.open, style.close, this[STYLER]), this[IS_EMPTY]);
			Object.defineProperty(this, styleName, {value: builder});
			return builder;
		},
	};
}

styles.visible = {
	get() {
		const builder = createBuilder(this, this[STYLER], true);
		Object.defineProperty(this, 'visible', {value: builder});
		return builder;
	},
};

const getModelAnsi = (model, level, type, ...arguments_) => {
	if (model === 'rgb') {
		if (level === 'ansi16m') {
			return ansiStyles[type].ansi16m(...arguments_);
		}

		if (level === 'ansi256') {
			return ansiStyles[type].ansi256(ansiStyles.rgbToAnsi256(...arguments_));
		}

		return ansiStyles[type].ansi(ansiStyles.rgbToAnsi(...arguments_));
	}

	if (model === 'hex') {
		return getModelAnsi('rgb', level, type, ...ansiStyles.hexToRgb(...arguments_));
	}

	return ansiStyles[type][model](...arguments_);
};

const usedModels = ['rgb', 'hex', 'ansi256'];

for (const model of usedModels) {
	styles[model] = {
		get() {
			const {level} = this;
			return function (...arguments_) {
				const styler = createStyler(getModelAnsi(model, levelMapping[level], 'color', ...arguments_), ansiStyles.color.close, this[STYLER]);
				return createBuilder(this, styler, this[IS_EMPTY]);
			};
		},
	};

	const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1);
	styles[bgModel] = {
		get() {
			const {level} = this;
			return function (...arguments_) {
				const styler = createStyler(getModelAnsi(model, levelMapping[level], 'bgColor', ...arguments_), ansiStyles.bgColor.close, this[STYLER]);
				return createBuilder(this, styler, this[IS_EMPTY]);
			};
		},
	};
}

const proto = Object.defineProperties(() => {}, {
	...styles,
	level: {
		enumerable: true,
		get() {
			return this[GENERATOR].level;
		},
		set(level) {
			this[GENERATOR].level = level;
		},
	},
});

const createStyler = (open, close, parent) => {
	let openAll;
	let closeAll;
	if (parent === undefined) {
		openAll = open;
		closeAll = close;
	} else {
		openAll = parent.openAll + open;
		closeAll = close + parent.closeAll;
	}

	return {
		open,
		close,
		openAll,
		closeAll,
		parent,
	};
};

const createBuilder = (self, _styler, _isEmpty) => {
	// Single argument is hot path, implicit coercion is faster than anything
	// eslint-disable-next-line no-implicit-coercion
	const builder = (...arguments_) => applyStyle(builder, (arguments_.length === 1) ? ('' + arguments_[0]) : arguments_.join(' '));

	// We alter the prototype because we must return a function, but there is
	// no way to create a function with a different prototype
	Object.setPrototypeOf(builder, proto);

	builder[GENERATOR] = self;
	builder[STYLER] = _styler;
	builder[IS_EMPTY] = _isEmpty;

	return builder;
};

const applyStyle = (self, string) => {
	if (self.level <= 0 || !string) {
		return self[IS_EMPTY] ? '' : string;
	}

	let styler = self[STYLER];

	if (styler === undefined) {
		return string;
	}

	const {openAll, closeAll} = styler;
	if (string.includes('\u001B')) {
		while (styler !== undefined) {
			// Replace any instances already present with a re-opening code
			// otherwise only the part of the string until said closing code
			// will be colored, and the rest will simply be 'plain'.
			string = stringReplaceAll(string, styler.close, styler.open);

			styler = styler.parent;
		}
	}

	// We can move both next actions out of loop, because remaining actions in loop won't have
	// any/visible effect on parts we add here. Close the styling before a linebreak and reopen
	// after next line to fix a bleed issue on macOS: https://github.com/chalk/chalk/pull/92
	const lfIndex = string.indexOf('\n');
	if (lfIndex !== -1) {
		string = stringEncaseCRLFWithFirstIndex(string, closeAll, openAll, lfIndex);
	}

	return openAll + string + closeAll;
};

Object.defineProperties(createChalk.prototype, styles);

const chalk = createChalk();
createChalk({level: stderrColor ? stderrColor.level : 0});

var onetime$2 = {exports: {}};

var mimicFn$2 = {exports: {}};

const mimicFn$1 = (to, from) => {
	for (const prop of Reflect.ownKeys(from)) {
		Object.defineProperty(to, prop, Object.getOwnPropertyDescriptor(from, prop));
	}

	return to;
};

mimicFn$2.exports = mimicFn$1;
// TODO: Remove this for the next major release
mimicFn$2.exports.default = mimicFn$1;

var mimicFnExports = mimicFn$2.exports;

const mimicFn = mimicFnExports;

const calledFunctions = new WeakMap();

const onetime = (function_, options = {}) => {
	if (typeof function_ !== 'function') {
		throw new TypeError('Expected a function');
	}

	let returnValue;
	let callCount = 0;
	const functionName = function_.displayName || function_.name || '<anonymous>';

	const onetime = function (...arguments_) {
		calledFunctions.set(onetime, ++callCount);

		if (callCount === 1) {
			returnValue = function_.apply(this, arguments_);
			function_ = null;
		} else if (options.throw === true) {
			throw new Error(`Function \`${functionName}\` can only be called once`);
		}

		return returnValue;
	};

	mimicFn(onetime, function_);
	calledFunctions.set(onetime, callCount);

	return onetime;
};

onetime$2.exports = onetime;
// TODO: Remove this for the next major release
onetime$2.exports.default = onetime;

onetime$2.exports.callCount = function_ => {
	if (!calledFunctions.has(function_)) {
		throw new Error(`The given function \`${function_.name}\` is not wrapped by the \`onetime\` package`);
	}

	return calledFunctions.get(function_);
};

var onetimeExports = onetime$2.exports;
var onetime$1 = /*@__PURE__*/getDefaultExportFromCjs(onetimeExports);

var signalExit$1 = {exports: {}};

var signals$1 = {exports: {}};

var hasRequiredSignals;

function requireSignals () {
	if (hasRequiredSignals) return signals$1.exports;
	hasRequiredSignals = 1;
	(function (module) {
		// This is not the set of all possible signals.
		//
		// It IS, however, the set of all signals that trigger
		// an exit on either Linux or BSD systems.  Linux is a
		// superset of the signal names supported on BSD, and
		// the unknown signals just fail to register, so we can
		// catch that easily enough.
		//
		// Don't bother with SIGKILL.  It's uncatchable, which
		// means that we can't fire any callbacks anyway.
		//
		// If a user does happen to register a handler on a non-
		// fatal signal like SIGWINCH or something, and then
		// exit, it'll end up firing `process.emit('exit')`, so
		// the handler will be fired anyway.
		//
		// SIGBUS, SIGFPE, SIGSEGV and SIGILL, when not raised
		// artificially, inherently leave the process in a
		// state from which it is not safe to try and enter JS
		// listeners.
		module.exports = [
		  'SIGABRT',
		  'SIGALRM',
		  'SIGHUP',
		  'SIGINT',
		  'SIGTERM'
		];

		if (process.platform !== 'win32') {
		  module.exports.push(
		    'SIGVTALRM',
		    'SIGXCPU',
		    'SIGXFSZ',
		    'SIGUSR2',
		    'SIGTRAP',
		    'SIGSYS',
		    'SIGQUIT',
		    'SIGIOT'
		    // should detect profiler and enable/disable accordingly.
		    // see #21
		    // 'SIGPROF'
		  );
		}

		if (process.platform === 'linux') {
		  module.exports.push(
		    'SIGIO',
		    'SIGPOLL',
		    'SIGPWR',
		    'SIGSTKFLT',
		    'SIGUNUSED'
		  );
		} 
	} (signals$1));
	return signals$1.exports;
}

// Note: since nyc uses this module to output coverage, any lines
// that are in the direct sync flow of nyc's outputCoverage are
// ignored, since we can never get coverage for them.
// grab a reference to node's real process object right away
var process$1 = commonjsGlobal.process;

const processOk = function (process) {
  return process &&
    typeof process === 'object' &&
    typeof process.removeListener === 'function' &&
    typeof process.emit === 'function' &&
    typeof process.reallyExit === 'function' &&
    typeof process.listeners === 'function' &&
    typeof process.kill === 'function' &&
    typeof process.pid === 'number' &&
    typeof process.on === 'function'
};

// some kind of non-node environment, just no-op
/* istanbul ignore if */
if (!processOk(process$1)) {
  signalExit$1.exports = function () {
    return function () {}
  };
} else {
  var assert = require$$5;
  var signals = requireSignals();
  var isWin = /^win/i.test(process$1.platform);

  var EE = require$$0$6;
  /* istanbul ignore if */
  if (typeof EE !== 'function') {
    EE = EE.EventEmitter;
  }

  var emitter;
  if (process$1.__signal_exit_emitter__) {
    emitter = process$1.__signal_exit_emitter__;
  } else {
    emitter = process$1.__signal_exit_emitter__ = new EE();
    emitter.count = 0;
    emitter.emitted = {};
  }

  // Because this emitter is a global, we have to check to see if a
  // previous version of this library failed to enable infinite listeners.
  // I know what you're about to say.  But literally everything about
  // signal-exit is a compromise with evil.  Get used to it.
  if (!emitter.infinite) {
    emitter.setMaxListeners(Infinity);
    emitter.infinite = true;
  }

  signalExit$1.exports = function (cb, opts) {
    /* istanbul ignore if */
    if (!processOk(commonjsGlobal.process)) {
      return function () {}
    }
    assert.equal(typeof cb, 'function', 'a callback must be provided for exit handler');

    if (loaded === false) {
      load();
    }

    var ev = 'exit';
    if (opts && opts.alwaysLast) {
      ev = 'afterexit';
    }

    var remove = function () {
      emitter.removeListener(ev, cb);
      if (emitter.listeners('exit').length === 0 &&
          emitter.listeners('afterexit').length === 0) {
        unload();
      }
    };
    emitter.on(ev, cb);

    return remove
  };

  var unload = function unload () {
    if (!loaded || !processOk(commonjsGlobal.process)) {
      return
    }
    loaded = false;

    signals.forEach(function (sig) {
      try {
        process$1.removeListener(sig, sigListeners[sig]);
      } catch (er) {}
    });
    process$1.emit = originalProcessEmit;
    process$1.reallyExit = originalProcessReallyExit;
    emitter.count -= 1;
  };
  signalExit$1.exports.unload = unload;

  var emit = function emit (event, code, signal) {
    /* istanbul ignore if */
    if (emitter.emitted[event]) {
      return
    }
    emitter.emitted[event] = true;
    emitter.emit(event, code, signal);
  };

  // { <signal>: <listener fn>, ... }
  var sigListeners = {};
  signals.forEach(function (sig) {
    sigListeners[sig] = function listener () {
      /* istanbul ignore if */
      if (!processOk(commonjsGlobal.process)) {
        return
      }
      // If there are no other listeners, an exit is coming!
      // Simplest way: remove us and then re-send the signal.
      // We know that this will kill the process, so we can
      // safely emit now.
      var listeners = process$1.listeners(sig);
      if (listeners.length === emitter.count) {
        unload();
        emit('exit', null, sig);
        /* istanbul ignore next */
        emit('afterexit', null, sig);
        /* istanbul ignore next */
        if (isWin && sig === 'SIGHUP') {
          // "SIGHUP" throws an `ENOSYS` error on Windows,
          // so use a supported signal instead
          sig = 'SIGINT';
        }
        /* istanbul ignore next */
        process$1.kill(process$1.pid, sig);
      }
    };
  });

  signalExit$1.exports.signals = function () {
    return signals
  };

  var loaded = false;

  var load = function load () {
    if (loaded || !processOk(commonjsGlobal.process)) {
      return
    }
    loaded = true;

    // This is the number of onSignalExit's that are in play.
    // It's important so that we can count the correct number of
    // listeners on signals, and don't wait for the other one to
    // handle it instead of us.
    emitter.count += 1;

    signals = signals.filter(function (sig) {
      try {
        process$1.on(sig, sigListeners[sig]);
        return true
      } catch (er) {
        return false
      }
    });

    process$1.emit = processEmit;
    process$1.reallyExit = processReallyExit;
  };
  signalExit$1.exports.load = load;

  var originalProcessReallyExit = process$1.reallyExit;
  var processReallyExit = function processReallyExit (code) {
    /* istanbul ignore if */
    if (!processOk(commonjsGlobal.process)) {
      return
    }
    process$1.exitCode = code || /* istanbul ignore next */ 0;
    emit('exit', process$1.exitCode, null);
    /* istanbul ignore next */
    emit('afterexit', process$1.exitCode, null);
    /* istanbul ignore next */
    originalProcessReallyExit.call(process$1, process$1.exitCode);
  };

  var originalProcessEmit = process$1.emit;
  var processEmit = function processEmit (ev, arg) {
    if (ev === 'exit' && processOk(commonjsGlobal.process)) {
      /* istanbul ignore else */
      if (arg !== undefined) {
        process$1.exitCode = arg;
      }
      var ret = originalProcessEmit.apply(this, arguments);
      /* istanbul ignore next */
      emit('exit', process$1.exitCode, null);
      /* istanbul ignore next */
      emit('afterexit', process$1.exitCode, null);
      /* istanbul ignore next */
      return ret
    } else {
      return originalProcessEmit.apply(this, arguments)
    }
  };
}

var signalExitExports = signalExit$1.exports;
var signalExit = /*@__PURE__*/getDefaultExportFromCjs(signalExitExports);

const restoreCursor = onetime$1(() => {
	signalExit(() => {
		process$2.stderr.write('\u001B[?25h');
	}, {alwaysLast: true});
});

let isHidden = false;

const cliCursor = {};

cliCursor.show = (writableStream = process$2.stderr) => {
	if (!writableStream.isTTY) {
		return;
	}

	isHidden = false;
	writableStream.write('\u001B[?25h');
};

cliCursor.hide = (writableStream = process$2.stderr) => {
	if (!writableStream.isTTY) {
		return;
	}

	restoreCursor();
	isHidden = true;
	writableStream.write('\u001B[?25l');
};

cliCursor.toggle = (force, writableStream) => {
	if (force !== undefined) {
		isHidden = force;
	}

	if (isHidden) {
		cliCursor.show(writableStream);
	} else {
		cliCursor.hide(writableStream);
	}
};

var dots = {
	interval: 80,
	frames: [
		"⠋",
		"⠙",
		"⠹",
		"⠸",
		"⠼",
		"⠴",
		"⠦",
		"⠧",
		"⠇",
		"⠏"
	]
};
var dots2 = {
	interval: 80,
	frames: [
		"⣾",
		"⣽",
		"⣻",
		"⢿",
		"⡿",
		"⣟",
		"⣯",
		"⣷"
	]
};
var dots3 = {
	interval: 80,
	frames: [
		"⠋",
		"⠙",
		"⠚",
		"⠞",
		"⠖",
		"⠦",
		"⠴",
		"⠲",
		"⠳",
		"⠓"
	]
};
var dots4 = {
	interval: 80,
	frames: [
		"⠄",
		"⠆",
		"⠇",
		"⠋",
		"⠙",
		"⠸",
		"⠰",
		"⠠",
		"⠰",
		"⠸",
		"⠙",
		"⠋",
		"⠇",
		"⠆"
	]
};
var dots5 = {
	interval: 80,
	frames: [
		"⠋",
		"⠙",
		"⠚",
		"⠒",
		"⠂",
		"⠂",
		"⠒",
		"⠲",
		"⠴",
		"⠦",
		"⠖",
		"⠒",
		"⠐",
		"⠐",
		"⠒",
		"⠓",
		"⠋"
	]
};
var dots6 = {
	interval: 80,
	frames: [
		"⠁",
		"⠉",
		"⠙",
		"⠚",
		"⠒",
		"⠂",
		"⠂",
		"⠒",
		"⠲",
		"⠴",
		"⠤",
		"⠄",
		"⠄",
		"⠤",
		"⠴",
		"⠲",
		"⠒",
		"⠂",
		"⠂",
		"⠒",
		"⠚",
		"⠙",
		"⠉",
		"⠁"
	]
};
var dots7 = {
	interval: 80,
	frames: [
		"⠈",
		"⠉",
		"⠋",
		"⠓",
		"⠒",
		"⠐",
		"⠐",
		"⠒",
		"⠖",
		"⠦",
		"⠤",
		"⠠",
		"⠠",
		"⠤",
		"⠦",
		"⠖",
		"⠒",
		"⠐",
		"⠐",
		"⠒",
		"⠓",
		"⠋",
		"⠉",
		"⠈"
	]
};
var dots8 = {
	interval: 80,
	frames: [
		"⠁",
		"⠁",
		"⠉",
		"⠙",
		"⠚",
		"⠒",
		"⠂",
		"⠂",
		"⠒",
		"⠲",
		"⠴",
		"⠤",
		"⠄",
		"⠄",
		"⠤",
		"⠠",
		"⠠",
		"⠤",
		"⠦",
		"⠖",
		"⠒",
		"⠐",
		"⠐",
		"⠒",
		"⠓",
		"⠋",
		"⠉",
		"⠈",
		"⠈"
	]
};
var dots9 = {
	interval: 80,
	frames: [
		"⢹",
		"⢺",
		"⢼",
		"⣸",
		"⣇",
		"⡧",
		"⡗",
		"⡏"
	]
};
var dots10 = {
	interval: 80,
	frames: [
		"⢄",
		"⢂",
		"⢁",
		"⡁",
		"⡈",
		"⡐",
		"⡠"
	]
};
var dots11 = {
	interval: 100,
	frames: [
		"⠁",
		"⠂",
		"⠄",
		"⡀",
		"⢀",
		"⠠",
		"⠐",
		"⠈"
	]
};
var dots12 = {
	interval: 80,
	frames: [
		"⢀⠀",
		"⡀⠀",
		"⠄⠀",
		"⢂⠀",
		"⡂⠀",
		"⠅⠀",
		"⢃⠀",
		"⡃⠀",
		"⠍⠀",
		"⢋⠀",
		"⡋⠀",
		"⠍⠁",
		"⢋⠁",
		"⡋⠁",
		"⠍⠉",
		"⠋⠉",
		"⠋⠉",
		"⠉⠙",
		"⠉⠙",
		"⠉⠩",
		"⠈⢙",
		"⠈⡙",
		"⢈⠩",
		"⡀⢙",
		"⠄⡙",
		"⢂⠩",
		"⡂⢘",
		"⠅⡘",
		"⢃⠨",
		"⡃⢐",
		"⠍⡐",
		"⢋⠠",
		"⡋⢀",
		"⠍⡁",
		"⢋⠁",
		"⡋⠁",
		"⠍⠉",
		"⠋⠉",
		"⠋⠉",
		"⠉⠙",
		"⠉⠙",
		"⠉⠩",
		"⠈⢙",
		"⠈⡙",
		"⠈⠩",
		"⠀⢙",
		"⠀⡙",
		"⠀⠩",
		"⠀⢘",
		"⠀⡘",
		"⠀⠨",
		"⠀⢐",
		"⠀⡐",
		"⠀⠠",
		"⠀⢀",
		"⠀⡀"
	]
};
var dots13 = {
	interval: 80,
	frames: [
		"⣼",
		"⣹",
		"⢻",
		"⠿",
		"⡟",
		"⣏",
		"⣧",
		"⣶"
	]
};
var dots8Bit = {
	interval: 80,
	frames: [
		"⠀",
		"⠁",
		"⠂",
		"⠃",
		"⠄",
		"⠅",
		"⠆",
		"⠇",
		"⡀",
		"⡁",
		"⡂",
		"⡃",
		"⡄",
		"⡅",
		"⡆",
		"⡇",
		"⠈",
		"⠉",
		"⠊",
		"⠋",
		"⠌",
		"⠍",
		"⠎",
		"⠏",
		"⡈",
		"⡉",
		"⡊",
		"⡋",
		"⡌",
		"⡍",
		"⡎",
		"⡏",
		"⠐",
		"⠑",
		"⠒",
		"⠓",
		"⠔",
		"⠕",
		"⠖",
		"⠗",
		"⡐",
		"⡑",
		"⡒",
		"⡓",
		"⡔",
		"⡕",
		"⡖",
		"⡗",
		"⠘",
		"⠙",
		"⠚",
		"⠛",
		"⠜",
		"⠝",
		"⠞",
		"⠟",
		"⡘",
		"⡙",
		"⡚",
		"⡛",
		"⡜",
		"⡝",
		"⡞",
		"⡟",
		"⠠",
		"⠡",
		"⠢",
		"⠣",
		"⠤",
		"⠥",
		"⠦",
		"⠧",
		"⡠",
		"⡡",
		"⡢",
		"⡣",
		"⡤",
		"⡥",
		"⡦",
		"⡧",
		"⠨",
		"⠩",
		"⠪",
		"⠫",
		"⠬",
		"⠭",
		"⠮",
		"⠯",
		"⡨",
		"⡩",
		"⡪",
		"⡫",
		"⡬",
		"⡭",
		"⡮",
		"⡯",
		"⠰",
		"⠱",
		"⠲",
		"⠳",
		"⠴",
		"⠵",
		"⠶",
		"⠷",
		"⡰",
		"⡱",
		"⡲",
		"⡳",
		"⡴",
		"⡵",
		"⡶",
		"⡷",
		"⠸",
		"⠹",
		"⠺",
		"⠻",
		"⠼",
		"⠽",
		"⠾",
		"⠿",
		"⡸",
		"⡹",
		"⡺",
		"⡻",
		"⡼",
		"⡽",
		"⡾",
		"⡿",
		"⢀",
		"⢁",
		"⢂",
		"⢃",
		"⢄",
		"⢅",
		"⢆",
		"⢇",
		"⣀",
		"⣁",
		"⣂",
		"⣃",
		"⣄",
		"⣅",
		"⣆",
		"⣇",
		"⢈",
		"⢉",
		"⢊",
		"⢋",
		"⢌",
		"⢍",
		"⢎",
		"⢏",
		"⣈",
		"⣉",
		"⣊",
		"⣋",
		"⣌",
		"⣍",
		"⣎",
		"⣏",
		"⢐",
		"⢑",
		"⢒",
		"⢓",
		"⢔",
		"⢕",
		"⢖",
		"⢗",
		"⣐",
		"⣑",
		"⣒",
		"⣓",
		"⣔",
		"⣕",
		"⣖",
		"⣗",
		"⢘",
		"⢙",
		"⢚",
		"⢛",
		"⢜",
		"⢝",
		"⢞",
		"⢟",
		"⣘",
		"⣙",
		"⣚",
		"⣛",
		"⣜",
		"⣝",
		"⣞",
		"⣟",
		"⢠",
		"⢡",
		"⢢",
		"⢣",
		"⢤",
		"⢥",
		"⢦",
		"⢧",
		"⣠",
		"⣡",
		"⣢",
		"⣣",
		"⣤",
		"⣥",
		"⣦",
		"⣧",
		"⢨",
		"⢩",
		"⢪",
		"⢫",
		"⢬",
		"⢭",
		"⢮",
		"⢯",
		"⣨",
		"⣩",
		"⣪",
		"⣫",
		"⣬",
		"⣭",
		"⣮",
		"⣯",
		"⢰",
		"⢱",
		"⢲",
		"⢳",
		"⢴",
		"⢵",
		"⢶",
		"⢷",
		"⣰",
		"⣱",
		"⣲",
		"⣳",
		"⣴",
		"⣵",
		"⣶",
		"⣷",
		"⢸",
		"⢹",
		"⢺",
		"⢻",
		"⢼",
		"⢽",
		"⢾",
		"⢿",
		"⣸",
		"⣹",
		"⣺",
		"⣻",
		"⣼",
		"⣽",
		"⣾",
		"⣿"
	]
};
var sand = {
	interval: 80,
	frames: [
		"⠁",
		"⠂",
		"⠄",
		"⡀",
		"⡈",
		"⡐",
		"⡠",
		"⣀",
		"⣁",
		"⣂",
		"⣄",
		"⣌",
		"⣔",
		"⣤",
		"⣥",
		"⣦",
		"⣮",
		"⣶",
		"⣷",
		"⣿",
		"⡿",
		"⠿",
		"⢟",
		"⠟",
		"⡛",
		"⠛",
		"⠫",
		"⢋",
		"⠋",
		"⠍",
		"⡉",
		"⠉",
		"⠑",
		"⠡",
		"⢁"
	]
};
var line = {
	interval: 130,
	frames: [
		"-",
		"\\",
		"|",
		"/"
	]
};
var line2 = {
	interval: 100,
	frames: [
		"⠂",
		"-",
		"–",
		"—",
		"–",
		"-"
	]
};
var pipe = {
	interval: 100,
	frames: [
		"┤",
		"┘",
		"┴",
		"└",
		"├",
		"┌",
		"┬",
		"┐"
	]
};
var simpleDots = {
	interval: 400,
	frames: [
		".  ",
		".. ",
		"...",
		"   "
	]
};
var simpleDotsScrolling = {
	interval: 200,
	frames: [
		".  ",
		".. ",
		"...",
		" ..",
		"  .",
		"   "
	]
};
var star = {
	interval: 70,
	frames: [
		"✶",
		"✸",
		"✹",
		"✺",
		"✹",
		"✷"
	]
};
var star2 = {
	interval: 80,
	frames: [
		"+",
		"x",
		"*"
	]
};
var flip = {
	interval: 70,
	frames: [
		"_",
		"_",
		"_",
		"-",
		"`",
		"`",
		"'",
		"´",
		"-",
		"_",
		"_",
		"_"
	]
};
var hamburger = {
	interval: 100,
	frames: [
		"☱",
		"☲",
		"☴"
	]
};
var growVertical = {
	interval: 120,
	frames: [
		"▁",
		"▃",
		"▄",
		"▅",
		"▆",
		"▇",
		"▆",
		"▅",
		"▄",
		"▃"
	]
};
var growHorizontal = {
	interval: 120,
	frames: [
		"▏",
		"▎",
		"▍",
		"▌",
		"▋",
		"▊",
		"▉",
		"▊",
		"▋",
		"▌",
		"▍",
		"▎"
	]
};
var balloon = {
	interval: 140,
	frames: [
		" ",
		".",
		"o",
		"O",
		"@",
		"*",
		" "
	]
};
var balloon2 = {
	interval: 120,
	frames: [
		".",
		"o",
		"O",
		"°",
		"O",
		"o",
		"."
	]
};
var noise = {
	interval: 100,
	frames: [
		"▓",
		"▒",
		"░"
	]
};
var bounce = {
	interval: 120,
	frames: [
		"⠁",
		"⠂",
		"⠄",
		"⠂"
	]
};
var boxBounce = {
	interval: 120,
	frames: [
		"▖",
		"▘",
		"▝",
		"▗"
	]
};
var boxBounce2 = {
	interval: 100,
	frames: [
		"▌",
		"▀",
		"▐",
		"▄"
	]
};
var triangle = {
	interval: 50,
	frames: [
		"◢",
		"◣",
		"◤",
		"◥"
	]
};
var binary = {
	interval: 80,
	frames: [
		"010010",
		"001100",
		"100101",
		"111010",
		"111101",
		"010111",
		"101011",
		"111000",
		"110011",
		"110101"
	]
};
var arc = {
	interval: 100,
	frames: [
		"◜",
		"◠",
		"◝",
		"◞",
		"◡",
		"◟"
	]
};
var circle = {
	interval: 120,
	frames: [
		"◡",
		"⊙",
		"◠"
	]
};
var squareCorners = {
	interval: 180,
	frames: [
		"◰",
		"◳",
		"◲",
		"◱"
	]
};
var circleQuarters = {
	interval: 120,
	frames: [
		"◴",
		"◷",
		"◶",
		"◵"
	]
};
var circleHalves = {
	interval: 50,
	frames: [
		"◐",
		"◓",
		"◑",
		"◒"
	]
};
var squish = {
	interval: 100,
	frames: [
		"╫",
		"╪"
	]
};
var toggle = {
	interval: 250,
	frames: [
		"⊶",
		"⊷"
	]
};
var toggle2 = {
	interval: 80,
	frames: [
		"▫",
		"▪"
	]
};
var toggle3 = {
	interval: 120,
	frames: [
		"□",
		"■"
	]
};
var toggle4 = {
	interval: 100,
	frames: [
		"■",
		"□",
		"▪",
		"▫"
	]
};
var toggle5 = {
	interval: 100,
	frames: [
		"▮",
		"▯"
	]
};
var toggle6 = {
	interval: 300,
	frames: [
		"ဝ",
		"၀"
	]
};
var toggle7 = {
	interval: 80,
	frames: [
		"⦾",
		"⦿"
	]
};
var toggle8 = {
	interval: 100,
	frames: [
		"◍",
		"◌"
	]
};
var toggle9 = {
	interval: 100,
	frames: [
		"◉",
		"◎"
	]
};
var toggle10 = {
	interval: 100,
	frames: [
		"㊂",
		"㊀",
		"㊁"
	]
};
var toggle11 = {
	interval: 50,
	frames: [
		"⧇",
		"⧆"
	]
};
var toggle12 = {
	interval: 120,
	frames: [
		"☗",
		"☖"
	]
};
var toggle13 = {
	interval: 80,
	frames: [
		"=",
		"*",
		"-"
	]
};
var arrow = {
	interval: 100,
	frames: [
		"←",
		"↖",
		"↑",
		"↗",
		"→",
		"↘",
		"↓",
		"↙"
	]
};
var arrow2 = {
	interval: 80,
	frames: [
		"⬆️ ",
		"↗️ ",
		"➡️ ",
		"↘️ ",
		"⬇️ ",
		"↙️ ",
		"⬅️ ",
		"↖️ "
	]
};
var arrow3 = {
	interval: 120,
	frames: [
		"▹▹▹▹▹",
		"▸▹▹▹▹",
		"▹▸▹▹▹",
		"▹▹▸▹▹",
		"▹▹▹▸▹",
		"▹▹▹▹▸"
	]
};
var bouncingBar = {
	interval: 80,
	frames: [
		"[    ]",
		"[=   ]",
		"[==  ]",
		"[=== ]",
		"[====]",
		"[ ===]",
		"[  ==]",
		"[   =]",
		"[    ]",
		"[   =]",
		"[  ==]",
		"[ ===]",
		"[====]",
		"[=== ]",
		"[==  ]",
		"[=   ]"
	]
};
var bouncingBall = {
	interval: 80,
	frames: [
		"( ●    )",
		"(  ●   )",
		"(   ●  )",
		"(    ● )",
		"(     ●)",
		"(    ● )",
		"(   ●  )",
		"(  ●   )",
		"( ●    )",
		"(●     )"
	]
};
var smiley = {
	interval: 200,
	frames: [
		"😄 ",
		"😝 "
	]
};
var monkey = {
	interval: 300,
	frames: [
		"🙈 ",
		"🙈 ",
		"🙉 ",
		"🙊 "
	]
};
var hearts = {
	interval: 100,
	frames: [
		"💛 ",
		"💙 ",
		"💜 ",
		"💚 ",
		"❤️ "
	]
};
var clock = {
	interval: 100,
	frames: [
		"🕛 ",
		"🕐 ",
		"🕑 ",
		"🕒 ",
		"🕓 ",
		"🕔 ",
		"🕕 ",
		"🕖 ",
		"🕗 ",
		"🕘 ",
		"🕙 ",
		"🕚 "
	]
};
var earth = {
	interval: 180,
	frames: [
		"🌍 ",
		"🌎 ",
		"🌏 "
	]
};
var material = {
	interval: 17,
	frames: [
		"█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"██████▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"███████▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"████████▁▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"██████████▁▁▁▁▁▁▁▁▁▁",
		"███████████▁▁▁▁▁▁▁▁▁",
		"█████████████▁▁▁▁▁▁▁",
		"██████████████▁▁▁▁▁▁",
		"██████████████▁▁▁▁▁▁",
		"▁██████████████▁▁▁▁▁",
		"▁██████████████▁▁▁▁▁",
		"▁██████████████▁▁▁▁▁",
		"▁▁██████████████▁▁▁▁",
		"▁▁▁██████████████▁▁▁",
		"▁▁▁▁█████████████▁▁▁",
		"▁▁▁▁██████████████▁▁",
		"▁▁▁▁██████████████▁▁",
		"▁▁▁▁▁██████████████▁",
		"▁▁▁▁▁██████████████▁",
		"▁▁▁▁▁██████████████▁",
		"▁▁▁▁▁▁██████████████",
		"▁▁▁▁▁▁██████████████",
		"▁▁▁▁▁▁▁█████████████",
		"▁▁▁▁▁▁▁█████████████",
		"▁▁▁▁▁▁▁▁████████████",
		"▁▁▁▁▁▁▁▁████████████",
		"▁▁▁▁▁▁▁▁▁███████████",
		"▁▁▁▁▁▁▁▁▁███████████",
		"▁▁▁▁▁▁▁▁▁▁██████████",
		"▁▁▁▁▁▁▁▁▁▁██████████",
		"▁▁▁▁▁▁▁▁▁▁▁▁████████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
		"█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
		"██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
		"██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
		"███▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
		"████▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
		"█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"██████▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"████████▁▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"█████████▁▁▁▁▁▁▁▁▁▁▁",
		"███████████▁▁▁▁▁▁▁▁▁",
		"████████████▁▁▁▁▁▁▁▁",
		"████████████▁▁▁▁▁▁▁▁",
		"██████████████▁▁▁▁▁▁",
		"██████████████▁▁▁▁▁▁",
		"▁██████████████▁▁▁▁▁",
		"▁██████████████▁▁▁▁▁",
		"▁▁▁█████████████▁▁▁▁",
		"▁▁▁▁▁████████████▁▁▁",
		"▁▁▁▁▁████████████▁▁▁",
		"▁▁▁▁▁▁███████████▁▁▁",
		"▁▁▁▁▁▁▁▁█████████▁▁▁",
		"▁▁▁▁▁▁▁▁█████████▁▁▁",
		"▁▁▁▁▁▁▁▁▁█████████▁▁",
		"▁▁▁▁▁▁▁▁▁█████████▁▁",
		"▁▁▁▁▁▁▁▁▁▁█████████▁",
		"▁▁▁▁▁▁▁▁▁▁▁████████▁",
		"▁▁▁▁▁▁▁▁▁▁▁████████▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁███████▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁███████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁███",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁",
		"▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁"
	]
};
var moon = {
	interval: 80,
	frames: [
		"🌑 ",
		"🌒 ",
		"🌓 ",
		"🌔 ",
		"🌕 ",
		"🌖 ",
		"🌗 ",
		"🌘 "
	]
};
var runner = {
	interval: 140,
	frames: [
		"🚶 ",
		"🏃 "
	]
};
var pong = {
	interval: 80,
	frames: [
		"▐⠂       ▌",
		"▐⠈       ▌",
		"▐ ⠂      ▌",
		"▐ ⠠      ▌",
		"▐  ⡀     ▌",
		"▐  ⠠     ▌",
		"▐   ⠂    ▌",
		"▐   ⠈    ▌",
		"▐    ⠂   ▌",
		"▐    ⠠   ▌",
		"▐     ⡀  ▌",
		"▐     ⠠  ▌",
		"▐      ⠂ ▌",
		"▐      ⠈ ▌",
		"▐       ⠂▌",
		"▐       ⠠▌",
		"▐       ⡀▌",
		"▐      ⠠ ▌",
		"▐      ⠂ ▌",
		"▐     ⠈  ▌",
		"▐     ⠂  ▌",
		"▐    ⠠   ▌",
		"▐    ⡀   ▌",
		"▐   ⠠    ▌",
		"▐   ⠂    ▌",
		"▐  ⠈     ▌",
		"▐  ⠂     ▌",
		"▐ ⠠      ▌",
		"▐ ⡀      ▌",
		"▐⠠       ▌"
	]
};
var shark = {
	interval: 120,
	frames: [
		"▐|\\____________▌",
		"▐_|\\___________▌",
		"▐__|\\__________▌",
		"▐___|\\_________▌",
		"▐____|\\________▌",
		"▐_____|\\_______▌",
		"▐______|\\______▌",
		"▐_______|\\_____▌",
		"▐________|\\____▌",
		"▐_________|\\___▌",
		"▐__________|\\__▌",
		"▐___________|\\_▌",
		"▐____________|\\▌",
		"▐____________/|▌",
		"▐___________/|_▌",
		"▐__________/|__▌",
		"▐_________/|___▌",
		"▐________/|____▌",
		"▐_______/|_____▌",
		"▐______/|______▌",
		"▐_____/|_______▌",
		"▐____/|________▌",
		"▐___/|_________▌",
		"▐__/|__________▌",
		"▐_/|___________▌",
		"▐/|____________▌"
	]
};
var dqpb = {
	interval: 100,
	frames: [
		"d",
		"q",
		"p",
		"b"
	]
};
var weather = {
	interval: 100,
	frames: [
		"☀️ ",
		"☀️ ",
		"☀️ ",
		"🌤 ",
		"⛅️ ",
		"🌥 ",
		"☁️ ",
		"🌧 ",
		"🌨 ",
		"🌧 ",
		"🌨 ",
		"🌧 ",
		"🌨 ",
		"⛈ ",
		"🌨 ",
		"🌧 ",
		"🌨 ",
		"☁️ ",
		"🌥 ",
		"⛅️ ",
		"🌤 ",
		"☀️ ",
		"☀️ "
	]
};
var christmas = {
	interval: 400,
	frames: [
		"🌲",
		"🎄"
	]
};
var grenade = {
	interval: 80,
	frames: [
		"،  ",
		"′  ",
		" ´ ",
		" ‾ ",
		"  ⸌",
		"  ⸊",
		"  |",
		"  ⁎",
		"  ⁕",
		" ෴ ",
		"  ⁓",
		"   ",
		"   ",
		"   "
	]
};
var point = {
	interval: 125,
	frames: [
		"∙∙∙",
		"●∙∙",
		"∙●∙",
		"∙∙●",
		"∙∙∙"
	]
};
var layer = {
	interval: 150,
	frames: [
		"-",
		"=",
		"≡"
	]
};
var betaWave = {
	interval: 80,
	frames: [
		"ρββββββ",
		"βρβββββ",
		"ββρββββ",
		"βββρβββ",
		"ββββρββ",
		"βββββρβ",
		"ββββββρ"
	]
};
var fingerDance = {
	interval: 160,
	frames: [
		"🤘 ",
		"🤟 ",
		"🖖 ",
		"✋ ",
		"🤚 ",
		"👆 "
	]
};
var fistBump = {
	interval: 80,
	frames: [
		"🤜　　　　🤛 ",
		"🤜　　　　🤛 ",
		"🤜　　　　🤛 ",
		"　🤜　　🤛　 ",
		"　　🤜🤛　　 ",
		"　🤜✨🤛　　 ",
		"🤜　✨　🤛　 "
	]
};
var soccerHeader = {
	interval: 80,
	frames: [
		" 🧑⚽️       🧑 ",
		"🧑  ⚽️      🧑 ",
		"🧑   ⚽️     🧑 ",
		"🧑    ⚽️    🧑 ",
		"🧑     ⚽️   🧑 ",
		"🧑      ⚽️  🧑 ",
		"🧑       ⚽️🧑  ",
		"🧑      ⚽️  🧑 ",
		"🧑     ⚽️   🧑 ",
		"🧑    ⚽️    🧑 ",
		"🧑   ⚽️     🧑 ",
		"🧑  ⚽️      🧑 "
	]
};
var mindblown = {
	interval: 160,
	frames: [
		"😐 ",
		"😐 ",
		"😮 ",
		"😮 ",
		"😦 ",
		"😦 ",
		"😧 ",
		"😧 ",
		"🤯 ",
		"💥 ",
		"✨ ",
		"　 ",
		"　 ",
		"　 "
	]
};
var speaker = {
	interval: 160,
	frames: [
		"🔈 ",
		"🔉 ",
		"🔊 ",
		"🔉 "
	]
};
var orangePulse = {
	interval: 100,
	frames: [
		"🔸 ",
		"🔶 ",
		"🟠 ",
		"🟠 ",
		"🔶 "
	]
};
var bluePulse = {
	interval: 100,
	frames: [
		"🔹 ",
		"🔷 ",
		"🔵 ",
		"🔵 ",
		"🔷 "
	]
};
var orangeBluePulse = {
	interval: 100,
	frames: [
		"🔸 ",
		"🔶 ",
		"🟠 ",
		"🟠 ",
		"🔶 ",
		"🔹 ",
		"🔷 ",
		"🔵 ",
		"🔵 ",
		"🔷 "
	]
};
var timeTravel = {
	interval: 100,
	frames: [
		"🕛 ",
		"🕚 ",
		"🕙 ",
		"🕘 ",
		"🕗 ",
		"🕖 ",
		"🕕 ",
		"🕔 ",
		"🕓 ",
		"🕒 ",
		"🕑 ",
		"🕐 "
	]
};
var aesthetic = {
	interval: 80,
	frames: [
		"▰▱▱▱▱▱▱",
		"▰▰▱▱▱▱▱",
		"▰▰▰▱▱▱▱",
		"▰▰▰▰▱▱▱",
		"▰▰▰▰▰▱▱",
		"▰▰▰▰▰▰▱",
		"▰▰▰▰▰▰▰",
		"▰▱▱▱▱▱▱"
	]
};
var dwarfFortress = {
	interval: 80,
	frames: [
		" ██████£££  ",
		"☺██████£££  ",
		"☺██████£££  ",
		"☺▓█████£££  ",
		"☺▓█████£££  ",
		"☺▒█████£££  ",
		"☺▒█████£££  ",
		"☺░█████£££  ",
		"☺░█████£££  ",
		"☺ █████£££  ",
		" ☺█████£££  ",
		" ☺█████£££  ",
		" ☺▓████£££  ",
		" ☺▓████£££  ",
		" ☺▒████£££  ",
		" ☺▒████£££  ",
		" ☺░████£££  ",
		" ☺░████£££  ",
		" ☺ ████£££  ",
		"  ☺████£££  ",
		"  ☺████£££  ",
		"  ☺▓███£££  ",
		"  ☺▓███£££  ",
		"  ☺▒███£££  ",
		"  ☺▒███£££  ",
		"  ☺░███£££  ",
		"  ☺░███£££  ",
		"  ☺ ███£££  ",
		"   ☺███£££  ",
		"   ☺███£££  ",
		"   ☺▓██£££  ",
		"   ☺▓██£££  ",
		"   ☺▒██£££  ",
		"   ☺▒██£££  ",
		"   ☺░██£££  ",
		"   ☺░██£££  ",
		"   ☺ ██£££  ",
		"    ☺██£££  ",
		"    ☺██£££  ",
		"    ☺▓█£££  ",
		"    ☺▓█£££  ",
		"    ☺▒█£££  ",
		"    ☺▒█£££  ",
		"    ☺░█£££  ",
		"    ☺░█£££  ",
		"    ☺ █£££  ",
		"     ☺█£££  ",
		"     ☺█£££  ",
		"     ☺▓£££  ",
		"     ☺▓£££  ",
		"     ☺▒£££  ",
		"     ☺▒£££  ",
		"     ☺░£££  ",
		"     ☺░£££  ",
		"     ☺ £££  ",
		"      ☺£££  ",
		"      ☺£££  ",
		"      ☺▓££  ",
		"      ☺▓££  ",
		"      ☺▒££  ",
		"      ☺▒££  ",
		"      ☺░££  ",
		"      ☺░££  ",
		"      ☺ ££  ",
		"       ☺££  ",
		"       ☺££  ",
		"       ☺▓£  ",
		"       ☺▓£  ",
		"       ☺▒£  ",
		"       ☺▒£  ",
		"       ☺░£  ",
		"       ☺░£  ",
		"       ☺ £  ",
		"        ☺£  ",
		"        ☺£  ",
		"        ☺▓  ",
		"        ☺▓  ",
		"        ☺▒  ",
		"        ☺▒  ",
		"        ☺░  ",
		"        ☺░  ",
		"        ☺   ",
		"        ☺  &",
		"        ☺ ☼&",
		"       ☺ ☼ &",
		"       ☺☼  &",
		"      ☺☼  & ",
		"      ‼   & ",
		"     ☺   &  ",
		"    ‼    &  ",
		"   ☺    &   ",
		"  ‼     &   ",
		" ☺     &    ",
		"‼      &    ",
		"      &     ",
		"      &     ",
		"     &   ░  ",
		"     &   ▒  ",
		"    &    ▓  ",
		"    &    £  ",
		"   &    ░£  ",
		"   &    ▒£  ",
		"  &     ▓£  ",
		"  &     ££  ",
		" &     ░££  ",
		" &     ▒££  ",
		"&      ▓££  ",
		"&      £££  ",
		"      ░£££  ",
		"      ▒£££  ",
		"      ▓£££  ",
		"      █£££  ",
		"     ░█£££  ",
		"     ▒█£££  ",
		"     ▓█£££  ",
		"     ██£££  ",
		"    ░██£££  ",
		"    ▒██£££  ",
		"    ▓██£££  ",
		"    ███£££  ",
		"   ░███£££  ",
		"   ▒███£££  ",
		"   ▓███£££  ",
		"   ████£££  ",
		"  ░████£££  ",
		"  ▒████£££  ",
		"  ▓████£££  ",
		"  █████£££  ",
		" ░█████£££  ",
		" ▒█████£££  ",
		" ▓█████£££  ",
		" ██████£££  ",
		" ██████£££  "
	]
};
var require$$0 = {
	dots: dots,
	dots2: dots2,
	dots3: dots3,
	dots4: dots4,
	dots5: dots5,
	dots6: dots6,
	dots7: dots7,
	dots8: dots8,
	dots9: dots9,
	dots10: dots10,
	dots11: dots11,
	dots12: dots12,
	dots13: dots13,
	dots8Bit: dots8Bit,
	sand: sand,
	line: line,
	line2: line2,
	pipe: pipe,
	simpleDots: simpleDots,
	simpleDotsScrolling: simpleDotsScrolling,
	star: star,
	star2: star2,
	flip: flip,
	hamburger: hamburger,
	growVertical: growVertical,
	growHorizontal: growHorizontal,
	balloon: balloon,
	balloon2: balloon2,
	noise: noise,
	bounce: bounce,
	boxBounce: boxBounce,
	boxBounce2: boxBounce2,
	triangle: triangle,
	binary: binary,
	arc: arc,
	circle: circle,
	squareCorners: squareCorners,
	circleQuarters: circleQuarters,
	circleHalves: circleHalves,
	squish: squish,
	toggle: toggle,
	toggle2: toggle2,
	toggle3: toggle3,
	toggle4: toggle4,
	toggle5: toggle5,
	toggle6: toggle6,
	toggle7: toggle7,
	toggle8: toggle8,
	toggle9: toggle9,
	toggle10: toggle10,
	toggle11: toggle11,
	toggle12: toggle12,
	toggle13: toggle13,
	arrow: arrow,
	arrow2: arrow2,
	arrow3: arrow3,
	bouncingBar: bouncingBar,
	bouncingBall: bouncingBall,
	smiley: smiley,
	monkey: monkey,
	hearts: hearts,
	clock: clock,
	earth: earth,
	material: material,
	moon: moon,
	runner: runner,
	pong: pong,
	shark: shark,
	dqpb: dqpb,
	weather: weather,
	christmas: christmas,
	grenade: grenade,
	point: point,
	layer: layer,
	betaWave: betaWave,
	fingerDance: fingerDance,
	fistBump: fistBump,
	soccerHeader: soccerHeader,
	mindblown: mindblown,
	speaker: speaker,
	orangePulse: orangePulse,
	bluePulse: bluePulse,
	orangeBluePulse: orangeBluePulse,
	timeTravel: timeTravel,
	aesthetic: aesthetic,
	dwarfFortress: dwarfFortress
};

const spinners = Object.assign({}, require$$0); // eslint-disable-line import/extensions

const spinnersList = Object.keys(spinners);

Object.defineProperty(spinners, 'random', {
	get() {
		const randomIndex = Math.floor(Math.random() * spinnersList.length);
		const spinnerName = spinnersList[randomIndex];
		return spinners[spinnerName];
	}
});

var cliSpinners = spinners;

var cliSpinners$1 = /*@__PURE__*/getDefaultExportFromCjs(cliSpinners);

const logSymbols = {
	info: 'ℹ️',
	success: '✅',
	warning: '⚠️',
	error: '❌️',
};

function ansiRegex({onlyFirst = false} = {}) {
	const pattern = [
	    '[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)',
		'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))'
	].join('|');

	return new RegExp(pattern, onlyFirst ? undefined : 'g');
}

const regex = ansiRegex();

function stripAnsi(string) {
	if (typeof string !== 'string') {
		throw new TypeError(`Expected a \`string\`, got \`${typeof string}\``);
	}

	// Even though the regex is global, we don't need to reset the `.lastIndex`
	// because unlike `.exec()` and `.test()`, `.replace()` does it automatically
	// and doing it manually has a performance penalty.
	return string.replace(regex, '');
}

var eastasianwidth = {exports: {}};

(function (module) {
	var eaw = {};

	{
	  module.exports = eaw;
	}

	eaw.eastAsianWidth = function(character) {
	  var x = character.charCodeAt(0);
	  var y = (character.length == 2) ? character.charCodeAt(1) : 0;
	  var codePoint = x;
	  if ((0xD800 <= x && x <= 0xDBFF) && (0xDC00 <= y && y <= 0xDFFF)) {
	    x &= 0x3FF;
	    y &= 0x3FF;
	    codePoint = (x << 10) | y;
	    codePoint += 0x10000;
	  }

	  if ((0x3000 == codePoint) ||
	      (0xFF01 <= codePoint && codePoint <= 0xFF60) ||
	      (0xFFE0 <= codePoint && codePoint <= 0xFFE6)) {
	    return 'F';
	  }
	  if ((0x20A9 == codePoint) ||
	      (0xFF61 <= codePoint && codePoint <= 0xFFBE) ||
	      (0xFFC2 <= codePoint && codePoint <= 0xFFC7) ||
	      (0xFFCA <= codePoint && codePoint <= 0xFFCF) ||
	      (0xFFD2 <= codePoint && codePoint <= 0xFFD7) ||
	      (0xFFDA <= codePoint && codePoint <= 0xFFDC) ||
	      (0xFFE8 <= codePoint && codePoint <= 0xFFEE)) {
	    return 'H';
	  }
	  if ((0x1100 <= codePoint && codePoint <= 0x115F) ||
	      (0x11A3 <= codePoint && codePoint <= 0x11A7) ||
	      (0x11FA <= codePoint && codePoint <= 0x11FF) ||
	      (0x2329 <= codePoint && codePoint <= 0x232A) ||
	      (0x2E80 <= codePoint && codePoint <= 0x2E99) ||
	      (0x2E9B <= codePoint && codePoint <= 0x2EF3) ||
	      (0x2F00 <= codePoint && codePoint <= 0x2FD5) ||
	      (0x2FF0 <= codePoint && codePoint <= 0x2FFB) ||
	      (0x3001 <= codePoint && codePoint <= 0x303E) ||
	      (0x3041 <= codePoint && codePoint <= 0x3096) ||
	      (0x3099 <= codePoint && codePoint <= 0x30FF) ||
	      (0x3105 <= codePoint && codePoint <= 0x312D) ||
	      (0x3131 <= codePoint && codePoint <= 0x318E) ||
	      (0x3190 <= codePoint && codePoint <= 0x31BA) ||
	      (0x31C0 <= codePoint && codePoint <= 0x31E3) ||
	      (0x31F0 <= codePoint && codePoint <= 0x321E) ||
	      (0x3220 <= codePoint && codePoint <= 0x3247) ||
	      (0x3250 <= codePoint && codePoint <= 0x32FE) ||
	      (0x3300 <= codePoint && codePoint <= 0x4DBF) ||
	      (0x4E00 <= codePoint && codePoint <= 0xA48C) ||
	      (0xA490 <= codePoint && codePoint <= 0xA4C6) ||
	      (0xA960 <= codePoint && codePoint <= 0xA97C) ||
	      (0xAC00 <= codePoint && codePoint <= 0xD7A3) ||
	      (0xD7B0 <= codePoint && codePoint <= 0xD7C6) ||
	      (0xD7CB <= codePoint && codePoint <= 0xD7FB) ||
	      (0xF900 <= codePoint && codePoint <= 0xFAFF) ||
	      (0xFE10 <= codePoint && codePoint <= 0xFE19) ||
	      (0xFE30 <= codePoint && codePoint <= 0xFE52) ||
	      (0xFE54 <= codePoint && codePoint <= 0xFE66) ||
	      (0xFE68 <= codePoint && codePoint <= 0xFE6B) ||
	      (0x1B000 <= codePoint && codePoint <= 0x1B001) ||
	      (0x1F200 <= codePoint && codePoint <= 0x1F202) ||
	      (0x1F210 <= codePoint && codePoint <= 0x1F23A) ||
	      (0x1F240 <= codePoint && codePoint <= 0x1F248) ||
	      (0x1F250 <= codePoint && codePoint <= 0x1F251) ||
	      (0x20000 <= codePoint && codePoint <= 0x2F73F) ||
	      (0x2B740 <= codePoint && codePoint <= 0x2FFFD) ||
	      (0x30000 <= codePoint && codePoint <= 0x3FFFD)) {
	    return 'W';
	  }
	  if ((0x0020 <= codePoint && codePoint <= 0x007E) ||
	      (0x00A2 <= codePoint && codePoint <= 0x00A3) ||
	      (0x00A5 <= codePoint && codePoint <= 0x00A6) ||
	      (0x00AC == codePoint) ||
	      (0x00AF == codePoint) ||
	      (0x27E6 <= codePoint && codePoint <= 0x27ED) ||
	      (0x2985 <= codePoint && codePoint <= 0x2986)) {
	    return 'Na';
	  }
	  if ((0x00A1 == codePoint) ||
	      (0x00A4 == codePoint) ||
	      (0x00A7 <= codePoint && codePoint <= 0x00A8) ||
	      (0x00AA == codePoint) ||
	      (0x00AD <= codePoint && codePoint <= 0x00AE) ||
	      (0x00B0 <= codePoint && codePoint <= 0x00B4) ||
	      (0x00B6 <= codePoint && codePoint <= 0x00BA) ||
	      (0x00BC <= codePoint && codePoint <= 0x00BF) ||
	      (0x00C6 == codePoint) ||
	      (0x00D0 == codePoint) ||
	      (0x00D7 <= codePoint && codePoint <= 0x00D8) ||
	      (0x00DE <= codePoint && codePoint <= 0x00E1) ||
	      (0x00E6 == codePoint) ||
	      (0x00E8 <= codePoint && codePoint <= 0x00EA) ||
	      (0x00EC <= codePoint && codePoint <= 0x00ED) ||
	      (0x00F0 == codePoint) ||
	      (0x00F2 <= codePoint && codePoint <= 0x00F3) ||
	      (0x00F7 <= codePoint && codePoint <= 0x00FA) ||
	      (0x00FC == codePoint) ||
	      (0x00FE == codePoint) ||
	      (0x0101 == codePoint) ||
	      (0x0111 == codePoint) ||
	      (0x0113 == codePoint) ||
	      (0x011B == codePoint) ||
	      (0x0126 <= codePoint && codePoint <= 0x0127) ||
	      (0x012B == codePoint) ||
	      (0x0131 <= codePoint && codePoint <= 0x0133) ||
	      (0x0138 == codePoint) ||
	      (0x013F <= codePoint && codePoint <= 0x0142) ||
	      (0x0144 == codePoint) ||
	      (0x0148 <= codePoint && codePoint <= 0x014B) ||
	      (0x014D == codePoint) ||
	      (0x0152 <= codePoint && codePoint <= 0x0153) ||
	      (0x0166 <= codePoint && codePoint <= 0x0167) ||
	      (0x016B == codePoint) ||
	      (0x01CE == codePoint) ||
	      (0x01D0 == codePoint) ||
	      (0x01D2 == codePoint) ||
	      (0x01D4 == codePoint) ||
	      (0x01D6 == codePoint) ||
	      (0x01D8 == codePoint) ||
	      (0x01DA == codePoint) ||
	      (0x01DC == codePoint) ||
	      (0x0251 == codePoint) ||
	      (0x0261 == codePoint) ||
	      (0x02C4 == codePoint) ||
	      (0x02C7 == codePoint) ||
	      (0x02C9 <= codePoint && codePoint <= 0x02CB) ||
	      (0x02CD == codePoint) ||
	      (0x02D0 == codePoint) ||
	      (0x02D8 <= codePoint && codePoint <= 0x02DB) ||
	      (0x02DD == codePoint) ||
	      (0x02DF == codePoint) ||
	      (0x0300 <= codePoint && codePoint <= 0x036F) ||
	      (0x0391 <= codePoint && codePoint <= 0x03A1) ||
	      (0x03A3 <= codePoint && codePoint <= 0x03A9) ||
	      (0x03B1 <= codePoint && codePoint <= 0x03C1) ||
	      (0x03C3 <= codePoint && codePoint <= 0x03C9) ||
	      (0x0401 == codePoint) ||
	      (0x0410 <= codePoint && codePoint <= 0x044F) ||
	      (0x0451 == codePoint) ||
	      (0x2010 == codePoint) ||
	      (0x2013 <= codePoint && codePoint <= 0x2016) ||
	      (0x2018 <= codePoint && codePoint <= 0x2019) ||
	      (0x201C <= codePoint && codePoint <= 0x201D) ||
	      (0x2020 <= codePoint && codePoint <= 0x2022) ||
	      (0x2024 <= codePoint && codePoint <= 0x2027) ||
	      (0x2030 == codePoint) ||
	      (0x2032 <= codePoint && codePoint <= 0x2033) ||
	      (0x2035 == codePoint) ||
	      (0x203B == codePoint) ||
	      (0x203E == codePoint) ||
	      (0x2074 == codePoint) ||
	      (0x207F == codePoint) ||
	      (0x2081 <= codePoint && codePoint <= 0x2084) ||
	      (0x20AC == codePoint) ||
	      (0x2103 == codePoint) ||
	      (0x2105 == codePoint) ||
	      (0x2109 == codePoint) ||
	      (0x2113 == codePoint) ||
	      (0x2116 == codePoint) ||
	      (0x2121 <= codePoint && codePoint <= 0x2122) ||
	      (0x2126 == codePoint) ||
	      (0x212B == codePoint) ||
	      (0x2153 <= codePoint && codePoint <= 0x2154) ||
	      (0x215B <= codePoint && codePoint <= 0x215E) ||
	      (0x2160 <= codePoint && codePoint <= 0x216B) ||
	      (0x2170 <= codePoint && codePoint <= 0x2179) ||
	      (0x2189 == codePoint) ||
	      (0x2190 <= codePoint && codePoint <= 0x2199) ||
	      (0x21B8 <= codePoint && codePoint <= 0x21B9) ||
	      (0x21D2 == codePoint) ||
	      (0x21D4 == codePoint) ||
	      (0x21E7 == codePoint) ||
	      (0x2200 == codePoint) ||
	      (0x2202 <= codePoint && codePoint <= 0x2203) ||
	      (0x2207 <= codePoint && codePoint <= 0x2208) ||
	      (0x220B == codePoint) ||
	      (0x220F == codePoint) ||
	      (0x2211 == codePoint) ||
	      (0x2215 == codePoint) ||
	      (0x221A == codePoint) ||
	      (0x221D <= codePoint && codePoint <= 0x2220) ||
	      (0x2223 == codePoint) ||
	      (0x2225 == codePoint) ||
	      (0x2227 <= codePoint && codePoint <= 0x222C) ||
	      (0x222E == codePoint) ||
	      (0x2234 <= codePoint && codePoint <= 0x2237) ||
	      (0x223C <= codePoint && codePoint <= 0x223D) ||
	      (0x2248 == codePoint) ||
	      (0x224C == codePoint) ||
	      (0x2252 == codePoint) ||
	      (0x2260 <= codePoint && codePoint <= 0x2261) ||
	      (0x2264 <= codePoint && codePoint <= 0x2267) ||
	      (0x226A <= codePoint && codePoint <= 0x226B) ||
	      (0x226E <= codePoint && codePoint <= 0x226F) ||
	      (0x2282 <= codePoint && codePoint <= 0x2283) ||
	      (0x2286 <= codePoint && codePoint <= 0x2287) ||
	      (0x2295 == codePoint) ||
	      (0x2299 == codePoint) ||
	      (0x22A5 == codePoint) ||
	      (0x22BF == codePoint) ||
	      (0x2312 == codePoint) ||
	      (0x2460 <= codePoint && codePoint <= 0x24E9) ||
	      (0x24EB <= codePoint && codePoint <= 0x254B) ||
	      (0x2550 <= codePoint && codePoint <= 0x2573) ||
	      (0x2580 <= codePoint && codePoint <= 0x258F) ||
	      (0x2592 <= codePoint && codePoint <= 0x2595) ||
	      (0x25A0 <= codePoint && codePoint <= 0x25A1) ||
	      (0x25A3 <= codePoint && codePoint <= 0x25A9) ||
	      (0x25B2 <= codePoint && codePoint <= 0x25B3) ||
	      (0x25B6 <= codePoint && codePoint <= 0x25B7) ||
	      (0x25BC <= codePoint && codePoint <= 0x25BD) ||
	      (0x25C0 <= codePoint && codePoint <= 0x25C1) ||
	      (0x25C6 <= codePoint && codePoint <= 0x25C8) ||
	      (0x25CB == codePoint) ||
	      (0x25CE <= codePoint && codePoint <= 0x25D1) ||
	      (0x25E2 <= codePoint && codePoint <= 0x25E5) ||
	      (0x25EF == codePoint) ||
	      (0x2605 <= codePoint && codePoint <= 0x2606) ||
	      (0x2609 == codePoint) ||
	      (0x260E <= codePoint && codePoint <= 0x260F) ||
	      (0x2614 <= codePoint && codePoint <= 0x2615) ||
	      (0x261C == codePoint) ||
	      (0x261E == codePoint) ||
	      (0x2640 == codePoint) ||
	      (0x2642 == codePoint) ||
	      (0x2660 <= codePoint && codePoint <= 0x2661) ||
	      (0x2663 <= codePoint && codePoint <= 0x2665) ||
	      (0x2667 <= codePoint && codePoint <= 0x266A) ||
	      (0x266C <= codePoint && codePoint <= 0x266D) ||
	      (0x266F == codePoint) ||
	      (0x269E <= codePoint && codePoint <= 0x269F) ||
	      (0x26BE <= codePoint && codePoint <= 0x26BF) ||
	      (0x26C4 <= codePoint && codePoint <= 0x26CD) ||
	      (0x26CF <= codePoint && codePoint <= 0x26E1) ||
	      (0x26E3 == codePoint) ||
	      (0x26E8 <= codePoint && codePoint <= 0x26FF) ||
	      (0x273D == codePoint) ||
	      (0x2757 == codePoint) ||
	      (0x2776 <= codePoint && codePoint <= 0x277F) ||
	      (0x2B55 <= codePoint && codePoint <= 0x2B59) ||
	      (0x3248 <= codePoint && codePoint <= 0x324F) ||
	      (0xE000 <= codePoint && codePoint <= 0xF8FF) ||
	      (0xFE00 <= codePoint && codePoint <= 0xFE0F) ||
	      (0xFFFD == codePoint) ||
	      (0x1F100 <= codePoint && codePoint <= 0x1F10A) ||
	      (0x1F110 <= codePoint && codePoint <= 0x1F12D) ||
	      (0x1F130 <= codePoint && codePoint <= 0x1F169) ||
	      (0x1F170 <= codePoint && codePoint <= 0x1F19A) ||
	      (0xE0100 <= codePoint && codePoint <= 0xE01EF) ||
	      (0xF0000 <= codePoint && codePoint <= 0xFFFFD) ||
	      (0x100000 <= codePoint && codePoint <= 0x10FFFD)) {
	    return 'A';
	  }

	  return 'N';
	};

	eaw.characterLength = function(character) {
	  var code = this.eastAsianWidth(character);
	  if (code == 'F' || code == 'W' || code == 'A') {
	    return 2;
	  } else {
	    return 1;
	  }
	};

	// Split a string considering surrogate-pairs.
	function stringToArray(string) {
	  return string.match(/[\uD800-\uDBFF][\uDC00-\uDFFF]|[^\uD800-\uDFFF]/g) || [];
	}

	eaw.length = function(string) {
	  var characters = stringToArray(string);
	  var len = 0;
	  for (var i = 0; i < characters.length; i++) {
	    len = len + this.characterLength(characters[i]);
	  }
	  return len;
	};

	eaw.slice = function(text, start, end) {
	  textLen = eaw.length(text);
	  start = start ? start : 0;
	  end = end ? end : 1;
	  if (start < 0) {
	      start = textLen + start;
	  }
	  if (end < 0) {
	      end = textLen + end;
	  }
	  var result = '';
	  var eawLen = 0;
	  var chars = stringToArray(text);
	  for (var i = 0; i < chars.length; i++) {
	    var char = chars[i];
	    var charLen = eaw.length(char);
	    if (eawLen >= start - (charLen == 2 ? 1 : 0)) {
	        if (eawLen + charLen <= end) {
	            result += char;
	        } else {
	            break;
	        }
	    }
	    eawLen += charLen;
	  }
	  return result;
	}; 
} (eastasianwidth));

var eastasianwidthExports = eastasianwidth.exports;
var eastAsianWidth = /*@__PURE__*/getDefaultExportFromCjs(eastasianwidthExports);

var emojiRegex = function () {
  // https://mths.be/emoji
  return /\uD83C\uDFF4\uDB40\uDC67\uDB40\uDC62(?:\uDB40\uDC77\uDB40\uDC6C\uDB40\uDC73|\uDB40\uDC73\uDB40\uDC63\uDB40\uDC74|\uDB40\uDC65\uDB40\uDC6E\uDB40\uDC67)\uDB40\uDC7F|(?:\uD83E\uDDD1\uD83C\uDFFF\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFF\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFB-\uDFFE])|(?:\uD83E\uDDD1\uD83C\uDFFE\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFE\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFB-\uDFFD\uDFFF])|(?:\uD83E\uDDD1\uD83C\uDFFD\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFD\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFB\uDFFC\uDFFE\uDFFF])|(?:\uD83E\uDDD1\uD83C\uDFFC\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFC\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFB\uDFFD-\uDFFF])|(?:\uD83E\uDDD1\uD83C\uDFFB\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83E\uDDD1|\uD83D\uDC69\uD83C\uDFFB\u200D\uD83E\uDD1D\u200D(?:\uD83D[\uDC68\uDC69]))(?:\uD83C[\uDFFC-\uDFFF])|\uD83D\uDC68(?:\uD83C\uDFFB(?:\u200D(?:\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFF])|\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFF]))|\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFC-\uDFFF])|[\u2695\u2696\u2708]\uFE0F|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD]))?|(?:\uD83C[\uDFFC-\uDFFF])\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFF])|\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFF]))|\u200D(?:\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D)?\uD83D\uDC68|(?:\uD83D[\uDC68\uDC69])\u200D(?:\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67]))|\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFF\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFE])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFE\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB-\uDFFD\uDFFF])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFD\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB\uDFFC\uDFFE\uDFFF])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFC\u200D(?:\uD83E\uDD1D\u200D\uD83D\uDC68(?:\uD83C[\uDFFB\uDFFD-\uDFFF])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|(?:\uD83C\uDFFF\u200D[\u2695\u2696\u2708]|\uD83C\uDFFE\u200D[\u2695\u2696\u2708]|\uD83C\uDFFD\u200D[\u2695\u2696\u2708]|\uD83C\uDFFC\u200D[\u2695\u2696\u2708]|\u200D[\u2695\u2696\u2708])\uFE0F|\u200D(?:(?:\uD83D[\uDC68\uDC69])\u200D(?:\uD83D[\uDC66\uDC67])|\uD83D[\uDC66\uDC67])|\uD83C\uDFFF|\uD83C\uDFFE|\uD83C\uDFFD|\uD83C\uDFFC)?|(?:\uD83D\uDC69(?:\uD83C\uDFFB\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D(?:\uD83D[\uDC68\uDC69])|\uD83D[\uDC68\uDC69])|(?:\uD83C[\uDFFC-\uDFFF])\u200D\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D(?:\uD83D[\uDC68\uDC69])|\uD83D[\uDC68\uDC69]))|\uD83E\uDDD1(?:\uD83C[\uDFFB-\uDFFF])\u200D\uD83E\uDD1D\u200D\uD83E\uDDD1)(?:\uD83C[\uDFFB-\uDFFF])|\uD83D\uDC69\u200D\uD83D\uDC69\u200D(?:\uD83D\uDC66\u200D\uD83D\uDC66|\uD83D\uDC67\u200D(?:\uD83D[\uDC66\uDC67]))|\uD83D\uDC69(?:\u200D(?:\u2764\uFE0F\u200D(?:\uD83D\uDC8B\u200D(?:\uD83D[\uDC68\uDC69])|\uD83D[\uDC68\uDC69])|\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFF\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFE\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFD\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFC\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFB\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD]))|\uD83E\uDDD1(?:\u200D(?:\uD83E\uDD1D\u200D\uD83E\uDDD1|\uD83C[\uDF3E\uDF73\uDF7C\uDF84\uDF93\uDFA4\uDFA8\uDFEB\uDFED]|\uD83D[\uDCBB\uDCBC\uDD27\uDD2C\uDE80\uDE92]|\uD83E[\uDDAF-\uDDB3\uDDBC\uDDBD])|\uD83C\uDFFF\u200D(?:\uD83C[\uDF3E\uDF73\uDF7C\uDF84\uDF93\uDFA4\uDFA8\uDFE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EA\uDDEC\uDDEF\uDDF0\uDDF2\uDDF4\uDDFF])|\uD83C\uDDE8(?:\uD83C[\uDDE6\uDDE8\uDDE9\uDDEB-\uDDEE\uDDF0-\uDDF5\uDDF7\uDDFA-\uDDFF])|\uD83C\uDDE7(?:\uD83C[\uDDE6\uDDE7\uDDE9-\uDDEF\uDDF1-\uDDF4\uDDF6-\uDDF9\uDDFB\uDDFC\uDDFE\uDDFF])|\uD83C\uDDE6(?:\uD83C[\uDDE8-\uDDEC\uDDEE\uDDF1\uDDF2\uDDF4\uDDF6-\uDDFA\uDDFC\uDDFD\uDDFF])|[#\*0-9]\uFE0F\u20E3|\u2764\uFE0F|(?:\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC70\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD35\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD4\uDDD6-\uDDDD])(?:\uD83C[\uDFFB-\uDFFF])|(?:\u26F9|\uD83C[\uDFCB\uDFCC]|\uD83D\uDD75)(?:\uFE0F|\uD83C[\uDFFB-\uDFFF])|\uD83C\uDFF4|(?:[\u270A\u270B]|\uD83C[\uDF85\uDFC2\uDFC7]|\uD83D[\uDC42\uDC43\uDC46-\uDC50\uDC66\uDC67\uDC6B-\uDC6D\uDC72\uDC74-\uDC76\uDC78\uDC7C\uDC83\uDC85\uDC8F\uDC91\uDCAA\uDD7A\uDD95\uDD96\uDE4C\uDE4F\uDEC0\uDECC]|\uD83E[\uDD0C\uDD0F\uDD18-\uDD1C\uDD1E\uDD1F\uDD30-\uDD34\uDD36\uDD77\uDDB5\uDDB6\uDDBB\uDDD2\uDDD3\uDDD5])(?:\uD83C[\uDFFB-\uDFFF])|(?:[\u261D\u270C\u270D]|\uD83D[\uDD74\uDD90])(?:\uFE0F|\uD83C[\uDFFB-\uDFFF])|[\u270A\u270B]|\uD83C[\uDF85\uDFC2\uDFC7]|\uD83D[\uDC08\uDC15\uDC3B\uDC42\uDC43\uDC46-\uDC50\uDC66\uDC67\uDC6B-\uDC6D\uDC72\uDC74-\uDC76\uDC78\uDC7C\uDC83\uDC85\uDC8F\uDC91\uDCAA\uDD7A\uDD95\uDD96\uDE2E\uDE35\uDE36\uDE4C\uDE4F\uDEC0\uDECC]|\uD83E[\uDD0C\uDD0F\uDD18-\uDD1C\uDD1E\uDD1F\uDD30-\uDD34\uDD36\uDD77\uDDB5\uDDB6\uDDBB\uDDD2\uDDD3\uDDD5]|\uD83C[\uDFC3\uDFC4\uDFCA]|\uD83D[\uDC6E\uDC70\uDC71\uDC73\uDC77\uDC81\uDC82\uDC86\uDC87\uDE45-\uDE47\uDE4B\uDE4D\uDE4E\uDEA3\uDEB4-\uDEB6]|\uD83E[\uDD26\uDD35\uDD37-\uDD39\uDD3D\uDD3E\uDDB8\uDDB9\uDDCD-\uDDCF\uDDD4\uDDD6-\uDDDD]|\uD83D\uDC6F|\uD83E[\uDD3C\uDDDE\uDDDF]|[\u231A\u231B\u23E9-\u23EC\u23F0\u23F3\u25FD\u25FE\u2614\u2615\u2648-\u2653\u267F\u2693\u26A1\u26AA\u26AB\u26BD\u26BE\u26C4\u26C5\u26CE\u26D4\u26EA\u26F2\u26F3\u26F5\u26FA\u26FD\u2705\u2728\u274C\u274E\u2753-\u2755\u2757\u2795-\u2797\u27B0\u27BF\u2B1B\u2B1C\u2B50\u2B55]|\uD83C[\uDC04\uDCCF\uDD8E\uDD91-\uDD9A\uDE01\uDE1A\uDE2F\uDE32-\uDE36\uDE38-\uDE3A\uDE50\uDE51\uDF00-\uDF20\uDF2D-\uDF35\uDF37-\uDF7C\uDF7E-\uDF84\uDF86-\uDF93\uDFA0-\uDFC1\uDFC5\uDFC6\uDFC8\uDFC9\uDFCF-\uDFD3\uDFE0-\uDFF0\uDFF8-\uDFFF]|\uD83D[\uDC00-\uDC07\uDC09-\uDC14\uDC16-\uDC3A\uDC3C-\uDC3E\uDC40\uDC44\uDC45\uDC51-\uDC65\uDC6A\uDC79-\uDC7B\uDC7D-\uDC80\uDC84\uDC88-\uDC8E\uDC90\uDC92-\uDCA9\uDCAB-\uDCFC\uDCFF-\uDD3D\uDD4B-\uDD4E\uDD50-\uDD67\uDDA4\uDDFB-\uDE2D\uDE2F-\uDE34\uDE37-\uDE44\uDE48-\uDE4A\uDE80-\uDEA2\uDEA4-\uDEB3\uDEB7-\uDEBF\uDEC1-\uDEC5\uDED0-\uDED2\uDED5-\uDED7\uDEEB\uDEEC\uDEF4-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD0D\uDD0E\uDD10-\uDD17\uDD1D\uDD20-\uDD25\uDD27-\uDD2F\uDD3A\uDD3F-\uDD45\uDD47-\uDD76\uDD78\uDD7A-\uDDB4\uDDB7\uDDBA\uDDBC-\uDDCB\uDDD0\uDDE0-\uDDFF\uDE70-\uDE74\uDE78-\uDE7A\uDE80-\uDE86\uDE90-\uDEA8\uDEB0-\uDEB6\uDEC0-\uDEC2\uDED0-\uDED6]|(?:[\u231A\u231B\u23E9-\u23EC\u23F0\u23F3\u25FD\u25FE\u2614\u2615\u2648-\u2653\u267F\u2693\u26A1\u26AA\u26AB\u26BD\u26BE\u26C4\u26C5\u26CE\u26D4\u26EA\u26F2\u26F3\u26F5\u26FA\u26FD\u2705\u270A\u270B\u2728\u274C\u274E\u2753-\u2755\u2757\u2795-\u2797\u27B0\u27BF\u2B1B\u2B1C\u2B50\u2B55]|\uD83C[\uDC04\uDCCF\uDD8E\uDD91-\uDD9A\uDDE6-\uDDFF\uDE01\uDE1A\uDE2F\uDE32-\uDE36\uDE38-\uDE3A\uDE50\uDE51\uDF00-\uDF20\uDF2D-\uDF35\uDF37-\uDF7C\uDF7E-\uDF93\uDFA0-\uDFCA\uDFCF-\uDFD3\uDFE0-\uDFF0\uDFF4\uDFF8-\uDFFF]|\uD83D[\uDC00-\uDC3E\uDC40\uDC42-\uDCFC\uDCFF-\uDD3D\uDD4B-\uDD4E\uDD50-\uDD67\uDD7A\uDD95\uDD96\uDDA4\uDDFB-\uDE4F\uDE80-\uDEC5\uDECC\uDED0-\uDED2\uDED5-\uDED7\uDEEB\uDEEC\uDEF4-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD0C-\uDD3A\uDD3C-\uDD45\uDD47-\uDD78\uDD7A-\uDDCB\uDDCD-\uDDFF\uDE70-\uDE74\uDE78-\uDE7A\uDE80-\uDE86\uDE90-\uDEA8\uDEB0-\uDEB6\uDEC0-\uDEC2\uDED0-\uDED6])|(?:[#\*0-9\xA9\xAE\u203C\u2049\u2122\u2139\u2194-\u2199\u21A9\u21AA\u231A\u231B\u2328\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638-\u263A\u2640\u2642\u2648-\u2653\u265F\u2660\u2663\u2665\u2666\u2668\u267B\u267E\u267F\u2692-\u2697\u2699\u269B\u269C\u26A0\u26A1\u26A7\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753-\u2755\u2757\u2763\u2764\u2795-\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05-\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]|\uD83C[\uDC04\uDCCF\uDD70\uDD71\uDD7E\uDD7F\uDD8E\uDD91-\uDD9A\uDDE6-\uDDFF\uDE01\uDE02\uDE1A\uDE2F\uDE32-\uDE3A\uDE50\uDE51\uDF00-\uDF21\uDF24-\uDF93\uDF96\uDF97\uDF99-\uDF9B\uDF9E-\uDFF0\uDFF3-\uDFF5\uDFF7-\uDFFF]|\uD83D[\uDC00-\uDCFD\uDCFF-\uDD3D\uDD49-\uDD4E\uDD50-\uDD67\uDD6F\uDD70\uDD73-\uDD7A\uDD87\uDD8A-\uDD8D\uDD90\uDD95\uDD96\uDDA4\uDDA5\uDDA8\uDDB1\uDDB2\uDDBC\uDDC2-\uDDC4\uDDD1-\uDDD3\uDDDC-\uDDDE\uDDE1\uDDE3\uDDE8\uDDEF\uDDF3\uDDFA-\uDE4F\uDE80-\uDEC5\uDECB-\uDED2\uDED5-\uDED7\uDEE0-\uDEE5\uDEE9\uDEEB\uDEEC\uDEF0\uDEF3-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD0C-\uDD3A\uDD3C-\uDD45\uDD47-\uDD78\uDD7A-\uDDCB\uDDCD-\uDDFF\uDE70-\uDE74\uDE78-\uDE7A\uDE80-\uDE86\uDE90-\uDEA8\uDEB0-\uDEB6\uDEC0-\uDEC2\uDED0-\uDED6])\uFE0F|(?:[\u261D\u26F9\u270A-\u270D]|\uD83C[\uDF85\uDFC2-\uDFC4\uDFC7\uDFCA-\uDFCC]|\uD83D[\uDC42\uDC43\uDC46-\uDC50\uDC66-\uDC78\uDC7C\uDC81-\uDC83\uDC85-\uDC87\uDC8F\uDC91\uDCAA\uDD74\uDD75\uDD7A\uDD90\uDD95\uDD96\uDE45-\uDE47\uDE4B-\uDE4F\uDEA3\uDEB4-\uDEB6\uDEC0\uDECC]|\uD83E[\uDD0C\uDD0F\uDD18-\uDD1F\uDD26\uDD30-\uDD39\uDD3C-\uDD3E\uDD77\uDDB5\uDDB6\uDDB8\uDDB9\uDDBB\uDDCD-\uDDCF\uDDD1-\uDDDD])/g;
};

var emojiRegex$1 = /*@__PURE__*/getDefaultExportFromCjs(emojiRegex);

function stringWidth(string, options = {}) {
	if (typeof string !== 'string' || string.length === 0) {
		return 0;
	}

	options = {
		ambiguousIsNarrow: true,
		...options
	};

	string = stripAnsi(string);

	if (string.length === 0) {
		return 0;
	}

	string = string.replace(emojiRegex$1(), '  ');

	const ambiguousCharacterWidth = options.ambiguousIsNarrow ? 1 : 2;
	let width = 0;

	for (const character of string) {
		const codePoint = character.codePointAt(0);

		// Ignore control characters
		if (codePoint <= 0x1F || (codePoint >= 0x7F && codePoint <= 0x9F)) {
			continue;
		}

		// Ignore combining characters
		if (codePoint >= 0x300 && codePoint <= 0x36F) {
			continue;
		}

		const code = eastAsianWidth.eastAsianWidth(character);
		switch (code) {
			case 'F':
			case 'W':
				width += 2;
				break;
			case 'A':
				width += ambiguousCharacterWidth;
				break;
			default:
				width += 1;
		}
	}

	return width;
}

function isInteractive({stream = process.stdout} = {}) {
	return Boolean(
		stream && stream.isTTY &&
		process.env.TERM !== 'dumb' &&
		!('CI' in process.env)
	);
}

function isUnicodeSupported() {
	if (process$2.platform !== 'win32') {
		return process$2.env.TERM !== 'linux'; // Linux console (kernel)
	}

	return Boolean(process$2.env.WT_SESSION) // Windows Terminal
		|| Boolean(process$2.env.TERMINUS_SUBLIME) // Terminus (<0.2.27)
		|| process$2.env.ConEmuTask === '{cmd::Cmder}' // ConEmu and cmder
		|| process$2.env.TERM_PROGRAM === 'Terminus-Sublime'
		|| process$2.env.TERM_PROGRAM === 'vscode'
		|| process$2.env.TERM === 'xterm-256color'
		|| process$2.env.TERM === 'alacritty'
		|| process$2.env.TERMINAL_EMULATOR === 'JetBrains-JediTerm';
}

const ASCII_ETX_CODE = 0x03; // Ctrl+C emits this code

class StdinDiscarder {
	#activeCount = 0;

	start() {
		this.#activeCount++;

		if (this.#activeCount === 1) {
			this.#realStart();
		}
	}

	stop() {
		if (this.#activeCount <= 0) {
			throw new Error('`stop` called more times than `start`');
		}

		this.#activeCount--;

		if (this.#activeCount === 0) {
			this.#realStop();
		}
	}

	#realStart() {
		// No known way to make it work reliably on Windows.
		if (process$2.platform === 'win32' || !process$2.stdin.isTTY) {
			return;
		}

		process$2.stdin.setRawMode(true);
		process$2.stdin.on('data', this.#handleInput);
		process$2.stdin.resume();
	}

	#realStop() {
		if (!process$2.stdin.isTTY) {
			return;
		}

		process$2.stdin.off('data', this.#handleInput);
		process$2.stdin.pause();
		process$2.stdin.setRawMode(false);
	}

	#handleInput(chunk) {
		// Allow Ctrl+C to gracefully exit.
		if (chunk[0] === ASCII_ETX_CODE) {
			process$2.emit('SIGINT');
		}
	}
}

const stdinDiscarder = new StdinDiscarder();

class Ora {
	#linesToClear = 0;
	#isDiscardingStdin = false;
	#lineCount = 0;
	#frameIndex = 0;
	#options;
	#spinner;
	#stream;
	#id;
	#initialInterval;
	#isEnabled;
	#isSilent;
	#indent;
	#text;
	#prefixText;
	#suffixText;

	color;

	constructor(options) {
		if (typeof options === 'string') {
			options = {
				text: options,
			};
		}

		this.#options = {
			color: 'cyan',
			stream: process$2.stderr,
			discardStdin: true,
			hideCursor: true,
			...options,
		};

		// Public
		this.color = this.#options.color;

		// It's important that these use the public setters.
		this.spinner = this.#options.spinner;

		this.#initialInterval = this.#options.interval;
		this.#stream = this.#options.stream;
		this.#isEnabled = typeof this.#options.isEnabled === 'boolean' ? this.#options.isEnabled : isInteractive({stream: this.#stream});
		this.#isSilent = typeof this.#options.isSilent === 'boolean' ? this.#options.isSilent : false;

		// Set *after* `this.#stream`.
		// It's important that these use the public setters.
		this.text = this.#options.text;
		this.prefixText = this.#options.prefixText;
		this.suffixText = this.#options.suffixText;
		this.indent = this.#options.indent;

		if (process$2.env.NODE_ENV === 'test') {
			this._stream = this.#stream;
			this._isEnabled = this.#isEnabled;

			Object.defineProperty(this, '_linesToClear', {
				get() {
					return this.#linesToClear;
				},
				set(newValue) {
					this.#linesToClear = newValue;
				},
			});

			Object.defineProperty(this, '_frameIndex', {
				get() {
					return this.#frameIndex;
				},
			});

			Object.defineProperty(this, '_lineCount', {
				get() {
					return this.#lineCount;
				},
			});
		}
	}

	get indent() {
		return this.#indent;
	}

	set indent(indent = 0) {
		if (!(indent >= 0 && Number.isInteger(indent))) {
			throw new Error('The `indent` option must be an integer from 0 and up');
		}

		this.#indent = indent;
		this.#updateLineCount();
	}

	get interval() {
		return this.#initialInterval ?? this.#spinner.interval ?? 100;
	}

	get spinner() {
		return this.#spinner;
	}

	set spinner(spinner) {
		this.#frameIndex = 0;
		this.#initialInterval = undefined;

		if (typeof spinner === 'object') {
			if (spinner.frames === undefined) {
				throw new Error('The given spinner must have a `frames` property');
			}

			this.#spinner = spinner;
		} else if (!isUnicodeSupported()) {
			this.#spinner = cliSpinners$1.line;
		} else if (spinner === undefined) {
			// Set default spinner
			this.#spinner = cliSpinners$1.dots;
		} else if (spinner !== 'default' && cliSpinners$1[spinner]) {
			this.#spinner = cliSpinners$1[spinner];
		} else {
			throw new Error(`There is no built-in spinner named '${spinner}'. See https://github.com/sindresorhus/cli-spinners/blob/main/spinners.json for a full list.`);
		}
	}

	get text() {
		return this.#text;
	}

	set text(value = '') {
		this.#text = value;
		this.#updateLineCount();
	}

	get prefixText() {
		return this.#prefixText;
	}

	set prefixText(value = '') {
		this.#prefixText = value;
		this.#updateLineCount();
	}

	get suffixText() {
		return this.#suffixText;
	}

	set suffixText(value = '') {
		this.#suffixText = value;
		this.#updateLineCount();
	}

	get isSpinning() {
		return this.#id !== undefined;
	}

	#getFullPrefixText(prefixText = this.#prefixText, postfix = ' ') {
		if (typeof prefixText === 'string' && prefixText !== '') {
			return prefixText + postfix;
		}

		if (typeof prefixText === 'function') {
			return prefixText() + postfix;
		}

		return '';
	}

	#getFullSuffixText(suffixText = this.#suffixText, prefix = ' ') {
		if (typeof suffixText === 'string' && suffixText !== '') {
			return prefix + suffixText;
		}

		if (typeof suffixText === 'function') {
			return prefix + suffixText();
		}

		return '';
	}

	#updateLineCount() {
		const columns = this.#stream.columns ?? 80;
		const fullPrefixText = this.#getFullPrefixText(this.#prefixText, '-');
		const fullSuffixText = this.#getFullSuffixText(this.#suffixText, '-');
		const fullText = ' '.repeat(this.#indent) + fullPrefixText + '--' + this.#text + '--' + fullSuffixText;

		this.#lineCount = 0;
		for (const line of stripAnsi(fullText).split('\n')) {
			this.#lineCount += Math.max(1, Math.ceil(stringWidth(line, {countAnsiEscapeCodes: true}) / columns));
		}
	}

	get isEnabled() {
		return this.#isEnabled && !this.#isSilent;
	}

	set isEnabled(value) {
		if (typeof value !== 'boolean') {
			throw new TypeError('The `isEnabled` option must be a boolean');
		}

		this.#isEnabled = value;
	}

	get isSilent() {
		return this.#isSilent;
	}

	set isSilent(value) {
		if (typeof value !== 'boolean') {
			throw new TypeError('The `isSilent` option must be a boolean');
		}

		this.#isSilent = value;
	}

	frame() {
		const {frames} = this.#spinner;
		let frame = frames[this.#frameIndex];

		if (this.color) {
			frame = chalk[this.color](frame);
		}

		this.#frameIndex = ++this.#frameIndex % frames.length;
		const fullPrefixText = (typeof this.#prefixText === 'string' && this.#prefixText !== '') ? this.#prefixText + ' ' : '';
		const fullText = typeof this.text === 'string' ? ' ' + this.text : '';
		const fullSuffixText = (typeof this.#suffixText === 'string' && this.#suffixText !== '') ? ' ' + this.#suffixText : '';

		return fullPrefixText + frame + fullText + fullSuffixText;
	}

	clear() {
		if (!this.#isEnabled || !this.#stream.isTTY) {
			return this;
		}

		this.#stream.cursorTo(0);

		for (let index = 0; index < this.#linesToClear; index++) {
			if (index > 0) {
				this.#stream.moveCursor(0, -1);
			}

			this.#stream.clearLine(1);
		}

		if (this.#indent || this.lastIndent !== this.#indent) {
			this.#stream.cursorTo(this.#indent);
		}

		this.lastIndent = this.#indent;
		this.#linesToClear = 0;

		return this;
	}

	render() {
		if (this.#isSilent) {
			return this;
		}

		this.clear();
		this.#stream.write(this.frame());
		this.#linesToClear = this.#lineCount;

		return this;
	}

	start(text) {
		if (text) {
			this.text = text;
		}

		if (this.#isSilent) {
			return this;
		}

		if (!this.#isEnabled) {
			if (this.text) {
				this.#stream.write(`- ${this.text}\n`);
			}

			return this;
		}

		if (this.isSpinning) {
			return this;
		}

		if (this.#options.hideCursor) {
			cliCursor.hide(this.#stream);
		}

		if (this.#options.discardStdin && process$2.stdin.isTTY) {
			this.#isDiscardingStdin = true;
			stdinDiscarder.start();
		}

		this.render();
		this.#id = setInterval(this.render.bind(this), this.interval);

		return this;
	}

	stop() {
		if (!this.#isEnabled) {
			return this;
		}

		clearInterval(this.#id);
		this.#id = undefined;
		this.#frameIndex = 0;
		this.clear();
		if (this.#options.hideCursor) {
			cliCursor.show(this.#stream);
		}

		if (this.#options.discardStdin && process$2.stdin.isTTY && this.#isDiscardingStdin) {
			stdinDiscarder.stop();
			this.#isDiscardingStdin = false;
		}

		return this;
	}

	succeed(text) {
		return this.stopAndPersist({symbol: logSymbols.success, text});
	}

	fail(text) {
		return this.stopAndPersist({symbol: logSymbols.error, text});
	}

	warn(text) {
		return this.stopAndPersist({symbol: logSymbols.warning, text});
	}

	info(text) {
		return this.stopAndPersist({symbol: logSymbols.info, text});
	}

	stopAndPersist(options = {}) {
		if (this.#isSilent) {
			return this;
		}

		const prefixText = options.prefixText ?? this.#prefixText;
		const fullPrefixText = this.#getFullPrefixText(prefixText, ' ');

		const symbolText = options.symbol ?? ' ';

		const text = options.text ?? this.text;
		const fullText = (typeof text === 'string') ? ' ' + text : '';

		const suffixText = options.suffixText ?? this.#suffixText;
		const fullSuffixText = this.#getFullSuffixText(suffixText, ' ');

		const textToWrite = fullPrefixText + symbolText + fullText + fullSuffixText + '\n';

		this.stop();
		this.#stream.write(textToWrite);

		return this;
	}
}

function ora(options) {
	return new Ora(options);
}

const okMark = "\x1B[32m\u2713\x1B[0m";
const failMark = "\x1B[31m\u2716\x1B[0m";
async function task(taskName, task2) {
  const spinner = ora({ discardStdin: false });
  spinner.start(taskName + "...");
  try {
    await task2();
  } catch (e) {
    spinner.stopAndPersist({ symbol: failMark });
    throw e;
  }
  spinner.stopAndPersist({ symbol: okMark });
}

const debug = _debug("vitepress:local-search");
const LOCAL_SEARCH_INDEX_ID = "@localSearchIndex";
const LOCAL_SEARCH_INDEX_REQUEST_PATH = "/" + LOCAL_SEARCH_INDEX_ID;
async function localSearchPlugin(siteConfig) {
  if (siteConfig.site.themeConfig?.search?.provider !== "local") {
    return {
      name: "vitepress:local-search",
      resolveId(id) {
        if (id.startsWith(LOCAL_SEARCH_INDEX_ID)) {
          return `/${id}`;
        }
      },
      load(id) {
        if (id.startsWith(LOCAL_SEARCH_INDEX_REQUEST_PATH)) {
          return `export default '{}'`;
        }
      }
    };
  }
  const md = await createMarkdownRenderer(
    siteConfig.srcDir,
    siteConfig.markdown,
    siteConfig.site.base,
    siteConfig.logger
  );
  const options = siteConfig.site.themeConfig.search.options || {};
  async function render(file) {
    if (!fs$a.existsSync(file))
      return "";
    const { srcDir, cleanUrls = false } = siteConfig;
    const relativePath = slash(path$q.relative(srcDir, file));
    const env = { path: file, relativePath, cleanUrls };
    const md_raw = await fs$a.promises.readFile(file, "utf-8");
    const md_src = processIncludes(srcDir, md_raw, file, []);
    if (options._render)
      return await options._render(md_src, env, md);
    else {
      const html = md.render(md_src, env);
      return env.frontmatter?.search === false ? "" : html;
    }
  }
  const indexByLocales = /* @__PURE__ */ new Map();
  function getIndexByLocale(locale) {
    let index = indexByLocales.get(locale);
    if (!index) {
      index = new MiniSearch({
        fields: ["title", "titles", "text"],
        storeFields: ["title", "titles"],
        ...options.miniSearch?.options
      });
      indexByLocales.set(locale, index);
    }
    return index;
  }
  function getLocaleForPath(file) {
    const relativePath = slash(path$q.relative(siteConfig.srcDir, file));
    const siteData = resolveSiteDataByRoute(siteConfig.site, relativePath);
    return siteData?.localeIndex ?? "root";
  }
  let server;
  function onIndexUpdated() {
    if (server) {
      server.moduleGraph.onFileChange(LOCAL_SEARCH_INDEX_REQUEST_PATH);
      const mod = server.moduleGraph.getModuleById(
        LOCAL_SEARCH_INDEX_REQUEST_PATH
      );
      if (!mod)
        return;
      server.ws.send({
        type: "update",
        updates: [
          {
            acceptedPath: mod.url,
            path: mod.url,
            timestamp: Date.now(),
            type: "js-update"
          }
        ]
      });
    }
  }
  function getDocId(file) {
    let relFile = slash(path$q.relative(siteConfig.srcDir, file));
    relFile = siteConfig.rewrites.map[relFile] || relFile;
    let id = slash(path$q.join(siteConfig.site.base, relFile));
    id = id.replace(/(^|\/)index\.md$/, "$1");
    id = id.replace(/\.md$/, siteConfig.cleanUrls ? "" : ".html");
    return id;
  }
  async function indexFile(page) {
    const file = path$q.join(siteConfig.srcDir, page);
    const fileId = getDocId(file);
    const locale = getLocaleForPath(file);
    const index = getIndexByLocale(locale);
    const html = await render(file);
    const sections = (
      // user provided generator
      await options.miniSearch?._splitIntoSections?.(file, html) ?? // default implementation
      splitPageIntoSections(html)
    );
    for await (const section of sections) {
      if (!section || !(section.text || section.titles))
        break;
      const { anchor, text, titles } = section;
      const id = anchor ? [fileId, anchor].join("#") : fileId;
      index.add({
        id,
        text,
        title: titles.at(-1),
        titles: titles.slice(0, -1)
      });
    }
  }
  async function scanForBuild() {
    debug("\u{1F50D}\uFE0F Indexing files for search...");
    await pMap(siteConfig.pages, indexFile, {
      concurrency: siteConfig.buildConcurrency
    });
    debug("\u2705 Indexing finished...");
  }
  return {
    name: "vitepress:local-search",
    config: () => ({
      optimizeDeps: {
        include: [
          "vitepress > @vueuse/integrations/useFocusTrap",
          "vitepress > mark.js/src/vanilla.js",
          "vitepress > minisearch"
        ]
      }
    }),
    async configureServer(_server) {
      server = _server;
      await scanForBuild();
      onIndexUpdated();
    },
    resolveId(id) {
      if (id.startsWith(LOCAL_SEARCH_INDEX_ID)) {
        return `/${id}`;
      }
    },
    async load(id) {
      if (id === LOCAL_SEARCH_INDEX_REQUEST_PATH) {
        if (process.env.NODE_ENV === "production") {
          await scanForBuild();
        }
        let records = [];
        for (const [locale] of indexByLocales) {
          records.push(
            `${JSON.stringify(
              locale
            )}: () => import('@localSearchIndex${locale}')`
          );
        }
        return `export default {${records.join(",")}}`;
      } else if (id.startsWith(LOCAL_SEARCH_INDEX_REQUEST_PATH)) {
        return `export default ${JSON.stringify(
          JSON.stringify(
            indexByLocales.get(
              id.replace(LOCAL_SEARCH_INDEX_REQUEST_PATH, "")
            ) ?? {}
          )
        )}`;
      }
    },
    async handleHotUpdate({ file }) {
      if (file.endsWith(".md")) {
        await indexFile(file);
        debug("\u{1F50D}\uFE0F Updated", file);
        onIndexUpdated();
      }
    }
  };
}
const headingRegex = /<h(\d*).*?>(.*?<a.*? href="#.*?".*?>.*?<\/a>)<\/h\1>/gi;
const headingContentRegex = /(.*?)<a.*? href="#(.*?)".*?>.*?<\/a>/i;
function* splitPageIntoSections(html) {
  const result = html.split(headingRegex);
  result.shift();
  let parentTitles = [];
  for (let i = 0; i < result.length; i += 3) {
    const level = parseInt(result[i]) - 1;
    const heading = result[i + 1];
    const headingResult = headingContentRegex.exec(heading);
    const title = clearHtmlTags(headingResult?.[1] ?? "").trim();
    const anchor = headingResult?.[2] ?? "";
    const content = result[i + 2];
    if (!title || !content)
      continue;
    let titles = parentTitles.slice(0, level);
    titles[level] = title;
    titles = titles.filter(Boolean);
    yield { anchor, titles, text: getSearchableText(content) };
    if (level === 0) {
      parentTitles = [title];
    } else {
      parentTitles[level] = title;
    }
  }
}
function getSearchableText(content) {
  content = clearHtmlTags(content);
  return content;
}
function clearHtmlTags(str) {
  return str.replace(/<[^>]*>/g, "");
}

const loaderMatch = /\.data\.m?(j|t)s($|\?)/;
let server;
function defineLoader(loader) {
  return loader;
}
const idToLoaderModulesMap = /* @__PURE__ */ Object.create(null);
const depToLoaderModuleIdMap = /* @__PURE__ */ Object.create(null);
let idToPendingPromiseMap = /* @__PURE__ */ Object.create(null);
let isBuild = false;
const staticDataPlugin = {
  name: "vitepress:data",
  configResolved(config) {
    isBuild = config.command === "build";
  },
  configureServer(_server) {
    server = _server;
  },
  async load(id) {
    if (loaderMatch.test(id)) {
      let _resolve;
      if (isBuild) {
        if (idToPendingPromiseMap[id]) {
          return idToPendingPromiseMap[id];
        }
        idToPendingPromiseMap[id] = new Promise((r) => {
          _resolve = r;
        });
      }
      const base = dirname(id);
      let watch;
      let load;
      const existing = idToLoaderModulesMap[id];
      if (existing) {
        ({ watch, load } = existing);
      } else {
        const res = await loadConfigFromFile({}, id.replace(/\?.*$/, ""));
        if (server && res) {
          for (const dep of res.dependencies) {
            depToLoaderModuleIdMap[normalizePath(path$q.resolve(dep))] = id;
          }
        }
        const loaderModule = res?.config;
        watch = typeof loaderModule.watch === "string" ? [loaderModule.watch] : loaderModule.watch;
        if (watch) {
          watch = watch.map((p) => {
            return p.startsWith(".") ? normalizePath(resolve$1(base, p)) : normalizePath(p);
          });
        }
        load = loaderModule.load;
      }
      let watchedFiles;
      if (watch) {
        watchedFiles = (await glob(watch, {
          ignore: ["**/node_modules/**", "**/dist/**"]
        })).sort();
      }
      const data = await load(watchedFiles || []);
      if (server) {
        idToLoaderModulesMap[id] = { watch, load };
      }
      const result = `export const data = JSON.parse(${JSON.stringify(
        JSON.stringify(data)
      )})`;
      if (_resolve)
        _resolve(result);
      return result;
    }
  },
  transform(_code, id) {
    if (server && loaderMatch.test(id)) {
      const { watch } = idToLoaderModulesMap[id];
      if (watch) {
        server._importGlobMap.set(
          id,
          [Array.isArray(watch) ? watch : [watch]].map((globs) => {
            const affirmed = [];
            const negated = [];
            for (const glob2 of globs) {
              (glob2[0] === "!" ? negated : affirmed).push(glob2);
            }
            return { affirmed, negated };
          })
        );
      }
    }
    return null;
  },
  handleHotUpdate(ctx) {
    const file = ctx.file;
    if (file in depToLoaderModuleIdMap) {
      const id = depToLoaderModuleIdMap[file];
      delete idToLoaderModulesMap[id];
      ctx.modules.push(server.moduleGraph.getModuleById(id));
    }
    for (const id in idToLoaderModulesMap) {
      const { watch } = idToLoaderModulesMap[id];
      if (watch && micromatch_1.isMatch(file, watch)) {
        ctx.modules.push(server.moduleGraph.getModuleById(id));
      }
    }
  }
};

const webfontMarkerRE = /\/(?:\*|\/) *webfont-marker-begin *(?:\*\/|\n|\r|\n\r|\r\n)([^]*?)\/(?:\*|\/) *webfont-marker-end *(?:\*\/|\n|\r|\n\r|\r\n|$)/;
const webFontsPlugin = (enabled = false) => ({
  name: "vitepress:webfonts",
  enforce: "pre",
  transform(code, id) {
    if (/[\\/]fonts\.s?css/.test(id)) {
      if (enabled) {
        return code.match(webfontMarkerRE)?.[1];
      } else {
        return code.replace(webfontMarkerRE, "");
      }
    }
  }
});

const themeRE = /\/\.vitepress\/theme\/index\.(m|c)?(j|t)s$/;
const hashRE = /\.([-\w]+)\.js$/;
const staticInjectMarkerRE = /\b(const _hoisted_\d+ = \/\*(?:#|@)__PURE__\*\/\s*createStaticVNode)\("(.*)", (\d+)\)/g;
const staticStripRE = /['"`]__VP_STATIC_START__[^]*?__VP_STATIC_END__['"`]/g;
const staticRestoreRE = /__VP_STATIC_(START|END)__/g;
const scriptClientRE = /<script\b[^>]*client\b[^>]*>([^]*?)<\/script>/;
const isPageChunk = (chunk) => !!(chunk.type === "chunk" && chunk.isEntry && chunk.facadeModuleId && chunk.facadeModuleId.endsWith(".md"));
const cleanUrl = (url) => url.replace(/#.*$/s, "").replace(/\?.*$/s, "");
async function createVitePressPlugin(siteConfig, ssr = false, pageToHashMap, clientJSMap, recreateServer) {
  const {
    srcDir,
    configPath,
    configDeps,
    markdown,
    site,
    vue: userVuePluginOptions,
    vite: userViteConfig,
    pages,
    lastUpdated,
    cleanUrls
  } = siteConfig;
  let markdownToVue;
  const userCustomElementChecker = userVuePluginOptions?.template?.compilerOptions?.isCustomElement;
  let isCustomElement = userCustomElementChecker;
  if (markdown?.math) {
    isCustomElement = (tag) => {
      if (["mjx-container", "mjx-assistive-mml"].includes(tag)) {
        return true;
      }
      return userCustomElementChecker?.(tag) ?? false;
    };
  }
  const vuePlugin = await import('@vitejs/plugin-vue').then(
    (r) => r.default({
      include: [/\.vue$/, /\.md$/],
      ...userVuePluginOptions,
      template: {
        ...userVuePluginOptions?.template,
        compilerOptions: {
          ...userVuePluginOptions?.template?.compilerOptions,
          isCustomElement
        }
      }
    })
  );
  const processClientJS = (code, id) => {
    return scriptClientRE.test(code) ? code.replace(scriptClientRE, (_, content) => {
      if (ssr && clientJSMap)
        clientJSMap[id] = content;
      return `
`.repeat(_.split("\n").length - 1);
    }) : code;
  };
  let siteData = site;
  let allDeadLinks = [];
  let config;
  let importerMap = {};
  const vitePressPlugin = {
    name: "vitepress",
    async configResolved(resolvedConfig) {
      config = resolvedConfig;
      markdownToVue = await createMarkdownToVueRenderFn(
        srcDir,
        markdown,
        pages,
        config.command === "build",
        config.base,
        lastUpdated,
        cleanUrls,
        siteConfig
      );
    },
    config() {
      const baseConfig = {
        resolve: {
          alias: resolveAliases(siteConfig, ssr)
        },
        define: {
          __VP_LOCAL_SEARCH__: site.themeConfig?.search?.provider === "local",
          __ALGOLIA__: site.themeConfig?.search?.provider === "algolia" || !!site.themeConfig?.algolia,
          // legacy
          __CARBON__: !!site.themeConfig?.carbonAds,
          __ASSETS_DIR__: JSON.stringify(siteConfig.assetsDir),
          __VUE_PROD_HYDRATION_MISMATCH_DETAILS__: !!process.env.DEBUG
        },
        optimizeDeps: {
          // force include vue to avoid duplicated copies when linked + optimized
          include: [
            "vue",
            "vitepress > @vue/devtools-api",
            "vitepress > @vueuse/core"
          ],
          exclude: ["@docsearch/js", "vitepress"]
        },
        server: {
          fs: {
            allow: [
              DIST_CLIENT_PATH,
              srcDir,
              searchForWorkspaceRoot(process.cwd())
            ]
          }
        },
        vitepress: siteConfig
      };
      return userViteConfig ? mergeConfig$1(baseConfig, userViteConfig) : baseConfig;
    },
    resolveId(id) {
      if (id === SITE_DATA_REQUEST_PATH) {
        return SITE_DATA_REQUEST_PATH;
      }
    },
    load(id) {
      if (id === SITE_DATA_REQUEST_PATH) {
        let data = siteData;
        if (config.command === "build") {
          data = { ...siteData, head: [] };
          if (!ssr) {
            return `export default window.__VP_SITE_DATA__`;
          }
        }
        data = serializeFunctions(data);
        return `${deserializeFunctions};export default deserializeFunctions(JSON.parse(${JSON.stringify(
          JSON.stringify(data)
        )}))`;
      }
    },
    async transform(code, id) {
      if (id.endsWith(".vue")) {
        return processClientJS(code, id);
      } else if (id.endsWith(".md")) {
        const { vueSrc, deadLinks, includes } = await markdownToVue(
          code,
          id,
          config.publicDir
        );
        allDeadLinks.push(...deadLinks);
        if (includes.length) {
          includes.forEach((i) => {
            (importerMap[slash(i)] ??= /* @__PURE__ */ new Set()).add(id);
            this.addWatchFile(i);
          });
        }
        return processClientJS(vueSrc, id);
      }
    },
    renderStart() {
      if (allDeadLinks.length > 0) {
        allDeadLinks.forEach(({ url, file }, i) => {
          siteConfig.logger.warn(
            c$1.yellow(
              `${i === 0 ? "\n\n" : ""}(!) Found dead link ${c$1.cyan(
                url
              )} in file ${c$1.white(c$1.dim(file))}`
            )
          );
        });
        siteConfig.logger.info(
          c$1.cyan(
            "\nIf this is expected, you can disable this check via config. Refer: https://vitepress.dev/reference/site-config#ignoredeadlinks\n"
          )
        );
        throw new Error(`${allDeadLinks.length} dead link(s) found.`);
      }
    },
    configureServer(server) {
      if (configPath) {
        server.watcher.add(configPath);
        configDeps.forEach((file) => server.watcher.add(file));
      }
      const onFileAddDelete = async (added, _file) => {
        const file = slash(_file);
        if (themeRE.test(file)) {
          siteConfig.logger.info(
            c$1.green(
              `${path$q.relative(process.cwd(), _file)} ${added ? "created" : "deleted"}, restarting server...
`
            ),
            { clear: true, timestamp: true }
          );
          await recreateServer?.();
        }
        if (file.endsWith(".md")) {
          Object.assign(
            siteConfig,
            await resolvePages(
              siteConfig.srcDir,
              siteConfig.userConfig,
              siteConfig.logger
            )
          );
        }
        if (!added && importerMap[file]) {
          delete importerMap[file];
        }
      };
      server.watcher.on("add", onFileAddDelete.bind(null, true)).on("unlink", onFileAddDelete.bind(null, false));
      return () => {
        server.middlewares.use(async (req, res, next) => {
          const url = req.url && cleanUrl(req.url);
          if (url?.endsWith(".html")) {
            res.statusCode = 200;
            res.setHeader("Content-Type", "text/html");
            let html = `<!DOCTYPE html>
<html>
  <head>
    <title></title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <meta name="description" content="">
  </head>
  <body>
    <div id="app"></div>
    <script type="module" src="/@fs/${APP_PATH}/index.js"><\/script>
  </body>
</html>`;
            html = await server.transformIndexHtml(url, html, req.originalUrl);
            res.end(html);
            return;
          }
          next();
        });
      };
    },
    renderChunk(code, chunk) {
      if (!ssr && isPageChunk(chunk)) {
        code = code.replace(
          staticInjectMarkerRE,
          '$1("__VP_STATIC_START__$2__VP_STATIC_END__", $3)'
        );
        return code;
      }
      return null;
    },
    generateBundle(_options, bundle) {
      if (ssr) {
        this.emitFile({
          type: "asset",
          fileName: "package.json",
          source: '{ "private": true, "type": "module" }'
        });
      } else {
        for (const name in bundle) {
          const chunk = bundle[name];
          if (isPageChunk(chunk)) {
            const hash = chunk.fileName.match(hashRE)[1];
            pageToHashMap[chunk.name.toLowerCase()] = hash;
            bundle[name + "-lean"] = {
              ...chunk,
              fileName: chunk.fileName.replace(/\.js$/, ".lean.js"),
              preliminaryFileName: chunk.preliminaryFileName.replace(
                /\.js$/,
                ".lean.js"
              ),
              code: chunk.code.replace(staticStripRE, `""`)
            };
            chunk.code = chunk.code.replace(staticRestoreRE, "");
          }
        }
      }
    },
    async handleHotUpdate(ctx) {
      const { file, read, server } = ctx;
      if (file === configPath || configDeps.includes(file)) {
        siteConfig.logger.info(
          c$1.green(
            `${path$q.relative(
              process.cwd(),
              file
            )} changed, restarting server...
`
          ),
          { clear: true, timestamp: true }
        );
        try {
          await resolveUserConfig(siteConfig.root, "serve", "development");
        } catch (err) {
          return;
        }
        clearCache();
        await recreateServer?.();
        return;
      }
      if (file.endsWith(".md")) {
        const content = await read();
        const { pageData, vueSrc } = await markdownToVue(
          content,
          file,
          config.publicDir
        );
        const payload = {
          path: `/${slash(path$q.relative(srcDir, file))}`,
          pageData
        };
        server.ws.send({
          type: "custom",
          event: "vitepress:pageData",
          data: payload
        });
        ctx.read = () => vueSrc;
      }
    }
  };
  const hmrFix = {
    name: "vitepress:hmr-fix",
    async handleHotUpdate({ file, server, modules }) {
      const importers = [...importerMap[slash(file)] || []];
      if (importers.length > 0) {
        return [
          ...modules,
          ...importers.map((id) => {
            clearCache(id);
            return server.moduleGraph.getModuleById(id);
          })
        ].filter(Boolean);
      }
    }
  };
  return [
    vitePressPlugin,
    rewritesPlugin(siteConfig),
    vuePlugin,
    hmrFix,
    webFontsPlugin(siteConfig.useWebFonts),
    ...userViteConfig?.plugins || [],
    await localSearchPlugin(siteConfig),
    staticDataPlugin,
    await dynamicRoutesPlugin(siteConfig)
  ];
}

const virtualEntry = "client.js";
async function buildMPAClient(js, config) {
  const files = Object.keys(js);
  const themeFiles = files.filter((f) => !f.endsWith(".md"));
  const pages = files.filter((f) => f.endsWith(".md"));
  return build$1({
    root: config.srcDir,
    cacheDir: config.cacheDir,
    base: config.site.base,
    logLevel: config.vite?.logLevel ?? "warn",
    build: {
      emptyOutDir: false,
      outDir: config.outDir,
      rollupOptions: {
        input: [virtualEntry, ...pages]
      }
    },
    plugins: [
      {
        name: "vitepress-mpa-client",
        resolveId(id) {
          if (id === virtualEntry) {
            return id;
          }
        },
        load(id) {
          if (id === virtualEntry) {
            return themeFiles.map((file) => `import ${JSON.stringify(file)}`).join("\n");
          } else if (id in js) {
            return js[id];
          }
        }
      }
    ]
  });
}

const CSS_LANGS_RE = /\.(css|less|sass|scss|styl|stylus|pcss|postcss|sss)(?:$|\?)/;
const clientDir = normalizePath(
  path$q.resolve(path$q.dirname(fileURLToPath$1(import.meta.url)), "../client")
);
const excludedModules = [
  "/@siteData",
  "node_modules/@vueuse/core/",
  "node_modules/@vueuse/shared/",
  "node_modules/vue/",
  "node_modules/vue-demi/",
  clientDir
];
async function bundle(config, options) {
  const pageToHashMap = /* @__PURE__ */ Object.create(null);
  const clientJSMap = /* @__PURE__ */ Object.create(null);
  const input = {};
  config.pages.forEach((file) => {
    const alias = config.rewrites.map[file] || file;
    input[slash(alias).replace(/\//g, "_")] = path$q.resolve(config.srcDir, file);
  });
  const themeEntryRE = new RegExp(
    `^${escapeRegExp$1(
      path$q.resolve(config.themeDir, "index.js").replace(/\\/g, "/")
    ).slice(0, -2)}m?(j|t)s`
  );
  const { rollupOptions } = options;
  const resolveViteConfig = async (ssr) => ({
    root: config.srcDir,
    cacheDir: config.cacheDir,
    base: config.site.base,
    logLevel: config.vite?.logLevel ?? "warn",
    plugins: await createVitePressPlugin(
      config,
      ssr,
      pageToHashMap,
      clientJSMap
    ),
    ssr: {
      noExternal: ["vitepress", "@docsearch/css"]
    },
    build: {
      ...options,
      emptyOutDir: true,
      ssr,
      ssrEmitAssets: config.mpa,
      // minify with esbuild in MPA mode (for CSS)
      minify: ssr ? config.mpa ? "esbuild" : false : typeof options.minify === "boolean" ? options.minify : !process.env.DEBUG,
      outDir: ssr ? config.tempDir : config.outDir,
      cssCodeSplit: false,
      rollupOptions: {
        ...rollupOptions,
        input: {
          ...input,
          // use different entry based on ssr or not
          app: path$q.resolve(APP_PATH, ssr ? "ssr.js" : "index.js")
        },
        // important so that each page chunk and the index export things for each
        // other
        preserveEntrySignatures: "allow-extension",
        output: {
          sanitizeFileName,
          ...rollupOptions?.output,
          assetFileNames: `${config.assetsDir}/[name].[hash].[ext]`,
          ...ssr ? {
            entryFileNames: "[name].js",
            chunkFileNames: "[name].[hash].js"
          } : {
            entryFileNames: `${config.assetsDir}/[name].[hash].js`,
            chunkFileNames(chunk) {
              return /(?:Carbon|BuySell)Ads/.test(chunk.name) ? `${config.assetsDir}/chunks/ui-custom.[hash].js` : `${config.assetsDir}/chunks/[name].[hash].js`;
            },
            manualChunks(id, ctx) {
              if (id.startsWith("\0vite")) {
                return "framework";
              }
              if (id.includes("plugin-vue:export-helper")) {
                return "framework";
              }
              if (id.includes(`${clientDir}/app`) && id !== `${clientDir}/app/index.js`) {
                return "framework";
              }
              if (isEagerChunk(id, ctx.getModuleInfo) && /@vue\/(runtime|shared|reactivity)/.test(id)) {
                return "framework";
              }
              if ((id.startsWith(`${clientDir}/theme-default`) || !excludedModules.some((i) => id.includes(i))) && staticImportedByEntry(
                id,
                ctx.getModuleInfo,
                cacheTheme,
                themeEntryRE
              )) {
                return "theme";
              }
            }
          }
        }
      }
    },
    configFile: config.vite?.configFile
  });
  let clientResult;
  let serverResult;
  await task("building client + server bundles", async () => {
    clientResult = config.mpa ? null : await build$1(await resolveViteConfig(false));
    serverResult = await build$1(
      await resolveViteConfig(true)
    );
  });
  if (config.mpa) {
    await Promise.all(
      serverResult.output.map(async (chunk) => {
        if (!chunk.fileName.endsWith(".js")) {
          const tempPath = path$q.resolve(config.tempDir, chunk.fileName);
          const outPath = path$q.resolve(config.outDir, chunk.fileName);
          await fs$a.copy(tempPath, outPath);
        }
      })
    );
    const publicDir = path$q.resolve(config.srcDir, "public");
    if (fs$a.existsSync(publicDir)) {
      await fs$a.copy(publicDir, config.outDir);
    }
    if (Object.keys(clientJSMap).length) {
      clientResult = await buildMPAClient(clientJSMap, config);
    }
  }
  return { clientResult, serverResult, pageToHashMap };
}
const cache = /* @__PURE__ */ new Map();
const cacheTheme = /* @__PURE__ */ new Map();
function isEagerChunk(id, getModuleInfo) {
  if (id.includes("node_modules") && !CSS_LANGS_RE.test(id) && staticImportedByEntry(id, getModuleInfo, cache)) {
    return true;
  }
}
function staticImportedByEntry(id, getModuleInfo, cache2, entryRE = null, importStack = []) {
  if (cache2.has(id)) {
    return !!cache2.get(id);
  }
  if (importStack.includes(id)) {
    cache2.set(id, false);
    return false;
  }
  const mod = getModuleInfo(id);
  if (!mod) {
    cache2.set(id, false);
    return false;
  }
  if (entryRE ? entryRE.test(id) : mod.isEntry) {
    cache2.set(id, true);
    return true;
  }
  const someImporterIs = mod.importers.some(
    (importer) => staticImportedByEntry(
      importer,
      getModuleInfo,
      cache2,
      entryRE,
      importStack.concat(id)
    )
  );
  cache2.set(id, someImporterIs);
  return someImporterIs;
}

var dist = {};

var sitemapItemStream = {};

var errors = {};

/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
/* eslint-disable @typescript-eslint/no-explicit-any */
/*!
 * Sitemap
 * Copyright(c) 2011 Eugene Kalinin
 * MIT Licensed
 */
Object.defineProperty(errors, "__esModule", { value: true });
errors.EmptySitemap = errors.EmptyStream = errors.InvalidVideoPriceCurrency = errors.InvalidVideoResolution = errors.InvalidVideoPriceType = errors.InvalidVideoRestrictionRelationship = errors.InvalidVideoRestriction = errors.InvalidVideoFamilyFriendly = errors.InvalidVideoCategory = errors.InvalidVideoTagCount = errors.InvalidVideoViewCount = errors.InvalidVideoTitle = errors.XMLLintUnavailable = errors.InvalidNewsAccessValue = errors.InvalidNewsFormat = errors.InvalidAttr = errors.InvalidAttrValue = errors.InvalidVideoRating = errors.InvalidVideoDescription = errors.InvalidVideoDuration = errors.InvalidVideoFormat = errors.UndefinedTargetFolder = errors.PriorityInvalidError = errors.ChangeFreqInvalidError = errors.NoConfigError = errors.NoURLError = void 0;
/**
 * URL in SitemapItem does not exist
 */
class NoURLError extends Error {
    constructor(message) {
        super(message || 'URL is required');
        this.name = 'NoURLError';
        Error.captureStackTrace(this, NoURLError);
    }
}
errors.NoURLError = NoURLError;
/**
 * Config was not passed to SitemapItem constructor
 */
class NoConfigError extends Error {
    constructor(message) {
        super(message || 'SitemapItem requires a configuration');
        this.name = 'NoConfigError';
        Error.captureStackTrace(this, NoConfigError);
    }
}
errors.NoConfigError = NoConfigError;
/**
 * changefreq property in sitemap is invalid
 */
class ChangeFreqInvalidError extends Error {
    constructor(url, changefreq) {
        super(`${url}: changefreq "${changefreq}" is invalid`);
        this.name = 'ChangeFreqInvalidError';
        Error.captureStackTrace(this, ChangeFreqInvalidError);
    }
}
errors.ChangeFreqInvalidError = ChangeFreqInvalidError;
/**
 * priority property in sitemap is invalid
 */
class PriorityInvalidError extends Error {
    constructor(url, priority) {
        super(`${url}: priority "${priority}" must be a number between 0 and 1 inclusive`);
        this.name = 'PriorityInvalidError';
        Error.captureStackTrace(this, PriorityInvalidError);
    }
}
errors.PriorityInvalidError = PriorityInvalidError;
/**
 * SitemapIndex target Folder does not exists
 */
class UndefinedTargetFolder extends Error {
    constructor(message) {
        super(message || 'Target folder must exist');
        this.name = 'UndefinedTargetFolder';
        Error.captureStackTrace(this, UndefinedTargetFolder);
    }
}
errors.UndefinedTargetFolder = UndefinedTargetFolder;
class InvalidVideoFormat extends Error {
    constructor(url) {
        super(`${url} video must include thumbnail_loc, title and description fields for videos`);
        this.name = 'InvalidVideoFormat';
        Error.captureStackTrace(this, InvalidVideoFormat);
    }
}
errors.InvalidVideoFormat = InvalidVideoFormat;
class InvalidVideoDuration extends Error {
    constructor(url, duration) {
        super(`${url} duration "${duration}" must be an integer of seconds between 0 and 28800`);
        this.name = 'InvalidVideoDuration';
        Error.captureStackTrace(this, InvalidVideoDuration);
    }
}
errors.InvalidVideoDuration = InvalidVideoDuration;
class InvalidVideoDescription extends Error {
    constructor(url, length) {
        const message = `${url}: video description is too long ${length} vs limit of 2048 characters.`;
        super(message);
        this.name = 'InvalidVideoDescription';
        Error.captureStackTrace(this, InvalidVideoDescription);
    }
}
errors.InvalidVideoDescription = InvalidVideoDescription;
class InvalidVideoRating extends Error {
    constructor(url, title, rating) {
        super(`${url}: video "${title}" rating "${rating}" must be between 0 and 5 inclusive`);
        this.name = 'InvalidVideoRating';
        Error.captureStackTrace(this, InvalidVideoRating);
    }
}
errors.InvalidVideoRating = InvalidVideoRating;
class InvalidAttrValue extends Error {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    constructor(key, val, validator) {
        super('"' +
            val +
            '" tested against: ' +
            validator +
            ' is not a valid value for attr: "' +
            key +
            '"');
        this.name = 'InvalidAttrValue';
        Error.captureStackTrace(this, InvalidAttrValue);
    }
}
errors.InvalidAttrValue = InvalidAttrValue;
// InvalidAttr is only thrown when attrbuilder is called incorrectly internally
/* istanbul ignore next */
class InvalidAttr extends Error {
    constructor(key) {
        super('"' + key + '" is malformed');
        this.name = 'InvalidAttr';
        Error.captureStackTrace(this, InvalidAttr);
    }
}
errors.InvalidAttr = InvalidAttr;
class InvalidNewsFormat extends Error {
    constructor(url) {
        super(`${url} News must include publication, publication name, publication language, title, and publication_date for news`);
        this.name = 'InvalidNewsFormat';
        Error.captureStackTrace(this, InvalidNewsFormat);
    }
}
errors.InvalidNewsFormat = InvalidNewsFormat;
class InvalidNewsAccessValue extends Error {
    constructor(url, access) {
        super(`${url} News access "${access}" must be either Registration, Subscription or not be present`);
        this.name = 'InvalidNewsAccessValue';
        Error.captureStackTrace(this, InvalidNewsAccessValue);
    }
}
errors.InvalidNewsAccessValue = InvalidNewsAccessValue;
class XMLLintUnavailable extends Error {
    constructor(message) {
        super(message || 'xmlLint is not installed. XMLLint is required to validate');
        this.name = 'XMLLintUnavailable';
        Error.captureStackTrace(this, XMLLintUnavailable);
    }
}
errors.XMLLintUnavailable = XMLLintUnavailable;
class InvalidVideoTitle extends Error {
    constructor(url, length) {
        super(`${url}: video title is too long ${length} vs 100 character limit`);
        this.name = 'InvalidVideoTitle';
        Error.captureStackTrace(this, InvalidVideoTitle);
    }
}
errors.InvalidVideoTitle = InvalidVideoTitle;
class InvalidVideoViewCount extends Error {
    constructor(url, count) {
        super(`${url}: video view count must be positive, view count was ${count}`);
        this.name = 'InvalidVideoViewCount';
        Error.captureStackTrace(this, InvalidVideoViewCount);
    }
}
errors.InvalidVideoViewCount = InvalidVideoViewCount;
class InvalidVideoTagCount extends Error {
    constructor(url, count) {
        super(`${url}: video can have no more than 32 tags, this has ${count}`);
        this.name = 'InvalidVideoTagCount';
        Error.captureStackTrace(this, InvalidVideoTagCount);
    }
}
errors.InvalidVideoTagCount = InvalidVideoTagCount;
class InvalidVideoCategory extends Error {
    constructor(url, count) {
        super(`${url}: video category can only be 256 characters but was passed ${count}`);
        this.name = 'InvalidVideoCategory';
        Error.captureStackTrace(this, InvalidVideoCategory);
    }
}
errors.InvalidVideoCategory = InvalidVideoCategory;
class InvalidVideoFamilyFriendly extends Error {
    constructor(url, fam) {
        super(`${url}: video family friendly must be yes or no, was passed "${fam}"`);
        this.name = 'InvalidVideoFamilyFriendly';
        Error.captureStackTrace(this, InvalidVideoFamilyFriendly);
    }
}
errors.InvalidVideoFamilyFriendly = InvalidVideoFamilyFriendly;
class InvalidVideoRestriction extends Error {
    constructor(url, code) {
        super(`${url}: video restriction must be one or more two letter country codes. Was passed "${code}"`);
        this.name = 'InvalidVideoRestriction';
        Error.captureStackTrace(this, InvalidVideoRestriction);
    }
}
errors.InvalidVideoRestriction = InvalidVideoRestriction;
class InvalidVideoRestrictionRelationship extends Error {
    constructor(url, val) {
        super(`${url}: video restriction relationship must be either allow or deny. Was passed "${val}"`);
        this.name = 'InvalidVideoRestrictionRelationship';
        Error.captureStackTrace(this, InvalidVideoRestrictionRelationship);
    }
}
errors.InvalidVideoRestrictionRelationship = InvalidVideoRestrictionRelationship;
class InvalidVideoPriceType extends Error {
    constructor(url, priceType, price) {
        super(priceType === undefined && price === ''
            ? `${url}: video priceType is required when price is not provided`
            : `${url}: video price type "${priceType}" is not "rent" or "purchase"`);
        this.name = 'InvalidVideoPriceType';
        Error.captureStackTrace(this, InvalidVideoPriceType);
    }
}
errors.InvalidVideoPriceType = InvalidVideoPriceType;
class InvalidVideoResolution extends Error {
    constructor(url, resolution) {
        super(`${url}: video price resolution "${resolution}" is not hd or sd`);
        this.name = 'InvalidVideoResolution';
        Error.captureStackTrace(this, InvalidVideoResolution);
    }
}
errors.InvalidVideoResolution = InvalidVideoResolution;
class InvalidVideoPriceCurrency extends Error {
    constructor(url, currency) {
        super(`${url}: video price currency "${currency}" must be a three capital letter abbrieviation for the country currency`);
        this.name = 'InvalidVideoPriceCurrency';
        Error.captureStackTrace(this, InvalidVideoPriceCurrency);
    }
}
errors.InvalidVideoPriceCurrency = InvalidVideoPriceCurrency;
class EmptyStream extends Error {
    constructor() {
        super('You have ended the stream before anything was written. streamToPromise MUST be called before ending the stream.');
        this.name = 'EmptyStream';
        Error.captureStackTrace(this, EmptyStream);
    }
}
errors.EmptyStream = EmptyStream;
class EmptySitemap extends Error {
    constructor() {
        super('You ended the stream without writing anything.');
        this.name = 'EmptySitemap';
        Error.captureStackTrace(this, EmptyStream);
    }
}
errors.EmptySitemap = EmptySitemap;

var types = {};

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.IndexTagNames = exports.TagNames = exports.ErrorLevel = exports.isAllowDeny = exports.EnumAllowDeny = exports.isValidYesNo = exports.EnumYesNo = exports.isValidChangeFreq = exports.CHANGEFREQ = exports.isResolution = exports.isPriceType = exports.validators = exports.EnumChangefreq = void 0;
	/**
	 * How frequently the page is likely to change. This value provides general
	 * information to search engines and may not correlate exactly to how often they crawl the page. Please note that the
	 * value of this tag is considered a hint and not a command. See
	 * <https://www.sitemaps.org/protocol.html#xmlTagDefinitions> for the acceptable
	 * values
	 */
	var EnumChangefreq;
	(function (EnumChangefreq) {
	    EnumChangefreq["DAILY"] = "daily";
	    EnumChangefreq["MONTHLY"] = "monthly";
	    EnumChangefreq["ALWAYS"] = "always";
	    EnumChangefreq["HOURLY"] = "hourly";
	    EnumChangefreq["WEEKLY"] = "weekly";
	    EnumChangefreq["YEARLY"] = "yearly";
	    EnumChangefreq["NEVER"] = "never";
	})(EnumChangefreq = exports.EnumChangefreq || (exports.EnumChangefreq = {}));
	const allowDeny = /^(?:allow|deny)$/;
	exports.validators = {
	    'price:currency': /^[A-Z]{3}$/,
	    'price:type': /^(?:rent|purchase|RENT|PURCHASE)$/,
	    'price:resolution': /^(?:HD|hd|sd|SD)$/,
	    'platform:relationship': allowDeny,
	    'restriction:relationship': allowDeny,
	    restriction: /^([A-Z]{2}( +[A-Z]{2})*)?$/,
	    platform: /^((web|mobile|tv)( (web|mobile|tv))*)?$/,
	    language: /^zh-cn|zh-tw|([a-z]{2,3})$/,
	    genres: /^(PressRelease|Satire|Blog|OpEd|Opinion|UserGenerated)(, *(PressRelease|Satire|Blog|OpEd|Opinion|UserGenerated))*$/,
	    stock_tickers: /^(\w+:\w+(, *\w+:\w+){0,4})?$/,
	};
	function isPriceType(pt) {
	    return exports.validators['price:type'].test(pt);
	}
	exports.isPriceType = isPriceType;
	function isResolution(res) {
	    return exports.validators['price:resolution'].test(res);
	}
	exports.isResolution = isResolution;
	exports.CHANGEFREQ = Object.values(EnumChangefreq);
	function isValidChangeFreq(freq) {
	    return exports.CHANGEFREQ.includes(freq);
	}
	exports.isValidChangeFreq = isValidChangeFreq;
	(function (EnumYesNo) {
	    EnumYesNo["YES"] = "YES";
	    EnumYesNo["NO"] = "NO";
	    EnumYesNo["Yes"] = "Yes";
	    EnumYesNo["No"] = "No";
	    EnumYesNo["yes"] = "yes";
	    EnumYesNo["no"] = "no";
	})(exports.EnumYesNo || (exports.EnumYesNo = {}));
	function isValidYesNo(yn) {
	    return /^YES|NO|[Yy]es|[Nn]o$/.test(yn);
	}
	exports.isValidYesNo = isValidYesNo;
	(function (EnumAllowDeny) {
	    EnumAllowDeny["ALLOW"] = "allow";
	    EnumAllowDeny["DENY"] = "deny";
	})(exports.EnumAllowDeny || (exports.EnumAllowDeny = {}));
	function isAllowDeny(ad) {
	    return allowDeny.test(ad);
	}
	exports.isAllowDeny = isAllowDeny;
	(function (ErrorLevel) {
	    /**
	     * Validation will be skipped and nothing logged or thrown.
	     */
	    ErrorLevel["SILENT"] = "silent";
	    /**
	     * If an invalid value is encountered, a console.warn will be called with details
	     */
	    ErrorLevel["WARN"] = "warn";
	    /**
	     * An Error will be thrown on encountering invalid data.
	     */
	    ErrorLevel["THROW"] = "throw";
	})(exports.ErrorLevel || (exports.ErrorLevel = {}));
	(function (TagNames) {
	    TagNames["url"] = "url";
	    TagNames["loc"] = "loc";
	    TagNames["urlset"] = "urlset";
	    TagNames["lastmod"] = "lastmod";
	    TagNames["changefreq"] = "changefreq";
	    TagNames["priority"] = "priority";
	    TagNames["video:thumbnail_loc"] = "video:thumbnail_loc";
	    TagNames["video:video"] = "video:video";
	    TagNames["video:title"] = "video:title";
	    TagNames["video:description"] = "video:description";
	    TagNames["video:tag"] = "video:tag";
	    TagNames["video:duration"] = "video:duration";
	    TagNames["video:player_loc"] = "video:player_loc";
	    TagNames["video:content_loc"] = "video:content_loc";
	    TagNames["image:image"] = "image:image";
	    TagNames["image:loc"] = "image:loc";
	    TagNames["image:geo_location"] = "image:geo_location";
	    TagNames["image:license"] = "image:license";
	    TagNames["image:title"] = "image:title";
	    TagNames["image:caption"] = "image:caption";
	    TagNames["video:requires_subscription"] = "video:requires_subscription";
	    TagNames["video:publication_date"] = "video:publication_date";
	    TagNames["video:id"] = "video:id";
	    TagNames["video:restriction"] = "video:restriction";
	    TagNames["video:family_friendly"] = "video:family_friendly";
	    TagNames["video:view_count"] = "video:view_count";
	    TagNames["video:uploader"] = "video:uploader";
	    TagNames["video:expiration_date"] = "video:expiration_date";
	    TagNames["video:platform"] = "video:platform";
	    TagNames["video:price"] = "video:price";
	    TagNames["video:rating"] = "video:rating";
	    TagNames["video:category"] = "video:category";
	    TagNames["video:live"] = "video:live";
	    TagNames["video:gallery_loc"] = "video:gallery_loc";
	    TagNames["news:news"] = "news:news";
	    TagNames["news:publication"] = "news:publication";
	    TagNames["news:name"] = "news:name";
	    TagNames["news:access"] = "news:access";
	    TagNames["news:genres"] = "news:genres";
	    TagNames["news:publication_date"] = "news:publication_date";
	    TagNames["news:title"] = "news:title";
	    TagNames["news:keywords"] = "news:keywords";
	    TagNames["news:stock_tickers"] = "news:stock_tickers";
	    TagNames["news:language"] = "news:language";
	    TagNames["mobile:mobile"] = "mobile:mobile";
	    TagNames["xhtml:link"] = "xhtml:link";
	    TagNames["expires"] = "expires";
	})(exports.TagNames || (exports.TagNames = {}));
	(function (IndexTagNames) {
	    IndexTagNames["sitemap"] = "sitemap";
	    IndexTagNames["sitemapindex"] = "sitemapindex";
	    IndexTagNames["loc"] = "loc";
	    IndexTagNames["lastmod"] = "lastmod";
	})(exports.IndexTagNames || (exports.IndexTagNames = {})); 
} (types));

var sitemapXml = {};

Object.defineProperty(sitemapXml, "__esModule", { value: true });
sitemapXml.element = sitemapXml.ctag = sitemapXml.otag = sitemapXml.text = void 0;
const invalidXMLUnicodeRegex = 
// eslint-disable-next-line no-control-regex
/[\u0000-\u0008\u000B\u000C\u000E-\u001F\u007F-\u0084\u0086-\u009F\uD800-\uDFFF\uFDD0-\uFDDF\u{1FFFE}-\u{1FFFF}\u{2FFFE}-\u{2FFFF}\u{3FFFE}-\u{3FFFF}\u{4FFFE}-\u{4FFFF}\u{5FFFE}-\u{5FFFF}\u{6FFFE}-\u{6FFFF}\u{7FFFE}-\u{7FFFF}\u{8FFFE}-\u{8FFFF}\u{9FFFE}-\u{9FFFF}\u{AFFFE}-\u{AFFFF}\u{BFFFE}-\u{BFFFF}\u{CFFFE}-\u{CFFFF}\u{DFFFE}-\u{DFFFF}\u{EFFFE}-\u{EFFFF}\u{FFFFE}-\u{FFFFF}\u{10FFFE}-\u{10FFFF}]/gu;
const amp = /&/g;
const lt = /</g;
const apos = /'/g;
const quot = /"/g;
function text(txt) {
    return txt
        .replace(amp, '&amp;')
        .replace(lt, '&lt;')
        .replace(invalidXMLUnicodeRegex, '');
}
sitemapXml.text = text;
function otag(nodeName, attrs, selfClose = false) {
    let attrstr = '';
    for (const k in attrs) {
        const val = attrs[k]
            .replace(amp, '&amp;')
            .replace(lt, '&lt;')
            .replace(apos, '&apos;')
            .replace(quot, '&quot;')
            .replace(invalidXMLUnicodeRegex, '');
        attrstr += ` ${k}="${val}"`;
    }
    return `<${nodeName}${attrstr}${selfClose ? '/' : ''}>`;
}
sitemapXml.otag = otag;
function ctag(nodeName) {
    return `</${nodeName}>`;
}
sitemapXml.ctag = ctag;
function element(nodeName, attrs, innerText) {
    if (typeof attrs === 'string') {
        return otag(nodeName) + text(attrs) + ctag(nodeName);
    }
    else if (innerText) {
        return otag(nodeName, attrs) + text(innerText) + ctag(nodeName);
    }
    else {
        return otag(nodeName, attrs, true);
    }
}
sitemapXml.element = element;

Object.defineProperty(sitemapItemStream, "__esModule", { value: true });
sitemapItemStream.SitemapItemStream = void 0;
const stream_1$3 = require$$0$2;
const errors_1$2 = errors;
const types_1$3 = types;
const sitemap_xml_1 = sitemapXml;
function attrBuilder(conf, keys) {
    if (typeof keys === 'string') {
        keys = [keys];
    }
    const iv = {};
    return keys.reduce((attrs, key) => {
        // eslint-disable-next-line
        if (conf[key] !== undefined) {
            const keyAr = key.split(':');
            if (keyAr.length !== 2) {
                throw new errors_1$2.InvalidAttr(key);
            }
            attrs[keyAr[1]] = conf[key];
        }
        return attrs;
    }, iv);
}
/**
 * Takes a stream of SitemapItemOptions and spits out xml for each
 * @example
 * // writes <url><loc>https://example.com</loc><url><url><loc>https://example.com/2</loc><url>
 * const smis = new SitemapItemStream({level: 'warn'})
 * smis.pipe(writestream)
 * smis.write({url: 'https://example.com', img: [], video: [], links: []})
 * smis.write({url: 'https://example.com/2', img: [], video: [], links: []})
 * smis.end()
 * @param level - Error level
 */
class SitemapItemStream extends stream_1$3.Transform {
    constructor(opts = { level: types_1$3.ErrorLevel.WARN }) {
        opts.objectMode = true;
        super(opts);
        this.level = opts.level || types_1$3.ErrorLevel.WARN;
    }
    _transform(item, encoding, callback) {
        this.push((0, sitemap_xml_1.otag)(types_1$3.TagNames.url));
        this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.loc, item.url));
        if (item.lastmod) {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.lastmod, item.lastmod));
        }
        if (item.changefreq) {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.changefreq, item.changefreq));
        }
        if (item.priority !== undefined && item.priority !== null) {
            if (item.fullPrecisionPriority) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.priority, item.priority.toString()));
            }
            else {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.priority, item.priority.toFixed(1)));
            }
        }
        item.video.forEach((video) => {
            this.push((0, sitemap_xml_1.otag)(types_1$3.TagNames['video:video']));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:thumbnail_loc'], video.thumbnail_loc));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:title'], video.title));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:description'], video.description));
            if (video.content_loc) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:content_loc'], video.content_loc));
            }
            if (video.player_loc) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:player_loc'], attrBuilder(video, [
                    'player_loc:autoplay',
                    'player_loc:allow_embed',
                ]), video.player_loc));
            }
            if (video.duration) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:duration'], video.duration.toString()));
            }
            if (video.expiration_date) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:expiration_date'], video.expiration_date));
            }
            if (video.rating !== undefined) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:rating'], video.rating.toString()));
            }
            if (video.view_count !== undefined) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:view_count'], video.view_count.toString()));
            }
            if (video.publication_date) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:publication_date'], video.publication_date));
            }
            for (const tag of video.tag) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:tag'], tag));
            }
            if (video.category) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:category'], video.category));
            }
            if (video.family_friendly) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:family_friendly'], video.family_friendly));
            }
            if (video.restriction) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:restriction'], attrBuilder(video, 'restriction:relationship'), video.restriction));
            }
            if (video.gallery_loc) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:gallery_loc'], { title: video['gallery_loc:title'] }, video.gallery_loc));
            }
            if (video.price) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:price'], attrBuilder(video, [
                    'price:resolution',
                    'price:currency',
                    'price:type',
                ]), video.price));
            }
            if (video.requires_subscription) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:requires_subscription'], video.requires_subscription));
            }
            if (video.uploader) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:uploader'], attrBuilder(video, 'uploader:info'), video.uploader));
            }
            if (video.platform) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:platform'], attrBuilder(video, 'platform:relationship'), video.platform));
            }
            if (video.live) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:live'], video.live));
            }
            if (video.id) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['video:id'], { type: 'url' }, video.id));
            }
            this.push((0, sitemap_xml_1.ctag)(types_1$3.TagNames['video:video']));
        });
        item.links.forEach((link) => {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['xhtml:link'], {
                rel: 'alternate',
                hreflang: link.lang || link.hreflang,
                href: link.url,
            }));
        });
        if (item.expires) {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames.expires, new Date(item.expires).toISOString()));
        }
        if (item.androidLink) {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['xhtml:link'], {
                rel: 'alternate',
                href: item.androidLink,
            }));
        }
        if (item.ampLink) {
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['xhtml:link'], {
                rel: 'amphtml',
                href: item.ampLink,
            }));
        }
        if (item.news) {
            this.push((0, sitemap_xml_1.otag)(types_1$3.TagNames['news:news']));
            this.push((0, sitemap_xml_1.otag)(types_1$3.TagNames['news:publication']));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:name'], item.news.publication.name));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:language'], item.news.publication.language));
            this.push((0, sitemap_xml_1.ctag)(types_1$3.TagNames['news:publication']));
            if (item.news.access) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:access'], item.news.access));
            }
            if (item.news.genres) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:genres'], item.news.genres));
            }
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:publication_date'], item.news.publication_date));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:title'], item.news.title));
            if (item.news.keywords) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:keywords'], item.news.keywords));
            }
            if (item.news.stock_tickers) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['news:stock_tickers'], item.news.stock_tickers));
            }
            this.push((0, sitemap_xml_1.ctag)(types_1$3.TagNames['news:news']));
        }
        // Image handling
        item.img.forEach((image) => {
            this.push((0, sitemap_xml_1.otag)(types_1$3.TagNames['image:image']));
            this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['image:loc'], image.url));
            if (image.caption) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['image:caption'], image.caption));
            }
            if (image.geoLocation) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['image:geo_location'], image.geoLocation));
            }
            if (image.title) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['image:title'], image.title));
            }
            if (image.license) {
                this.push((0, sitemap_xml_1.element)(types_1$3.TagNames['image:license'], image.license));
            }
            this.push((0, sitemap_xml_1.ctag)(types_1$3.TagNames['image:image']));
        });
        this.push((0, sitemap_xml_1.ctag)(types_1$3.TagNames.url));
        callback();
    }
}
sitemapItemStream.SitemapItemStream = SitemapItemStream;

var sitemapIndexStream = {};

var sitemapStream = {};

var utils = {};

Object.defineProperty(utils, "__esModule", { value: true });
utils.normalizeURL = utils.chunk = utils.lineSeparatedURLsToSitemapOptions = utils.ReadlineStream = utils.mergeStreams = utils.validateSMIOptions = void 0;
/*!
 * Sitemap
 * Copyright(c) 2011 Eugene Kalinin
 * MIT Licensed
 */
const fs_1 = fs__default;
const stream_1$2 = require$$0$2;
const readline_1 = require$$2$1;
const url_1 = require$$3;
const types_1$2 = types;
const errors_1$1 = errors;
const types_2 = types;
function validate(subject, name, url, level) {
    Object.keys(subject).forEach((key) => {
        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
        // @ts-ignore
        const val = subject[key];
        if (types_2.validators[key] && !types_2.validators[key].test(val)) {
            if (level === types_1$2.ErrorLevel.THROW) {
                throw new errors_1$1.InvalidAttrValue(key, val, types_2.validators[key]);
            }
            else {
                console.warn(`${url}: ${name} key ${key} has invalid value: ${val}`);
            }
        }
    });
}
function handleError(error, level) {
    if (level === types_1$2.ErrorLevel.THROW) {
        throw error;
    }
    else if (level === types_1$2.ErrorLevel.WARN) {
        console.warn(error.name, error.message);
    }
}
/**
 * Verifies all data passed in will comply with sitemap spec.
 * @param conf Options to validate
 * @param level logging level
 * @param errorHandler error handling func
 */
function validateSMIOptions(conf, level = types_1$2.ErrorLevel.WARN, errorHandler = handleError) {
    if (!conf) {
        throw new errors_1$1.NoConfigError();
    }
    if (level === types_1$2.ErrorLevel.SILENT) {
        return conf;
    }
    const { url, changefreq, priority, news, video } = conf;
    if (!url) {
        errorHandler(new errors_1$1.NoURLError(), level);
    }
    if (changefreq) {
        if (!(0, types_1$2.isValidChangeFreq)(changefreq)) {
            errorHandler(new errors_1$1.ChangeFreqInvalidError(url, changefreq), level);
        }
    }
    if (priority) {
        if (!(priority >= 0.0 && priority <= 1.0)) {
            errorHandler(new errors_1$1.PriorityInvalidError(url, priority), level);
        }
    }
    if (news) {
        if (news.access &&
            news.access !== 'Registration' &&
            news.access !== 'Subscription') {
            errorHandler(new errors_1$1.InvalidNewsAccessValue(url, news.access), level);
        }
        if (!news.publication ||
            !news.publication.name ||
            !news.publication.language ||
            !news.publication_date ||
            !news.title) {
            errorHandler(new errors_1$1.InvalidNewsFormat(url), level);
        }
        validate(news, 'news', url, level);
        validate(news.publication, 'publication', url, level);
    }
    if (video) {
        video.forEach((vid) => {
            var _a;
            if (vid.duration !== undefined) {
                if (vid.duration < 0 || vid.duration > 28800) {
                    errorHandler(new errors_1$1.InvalidVideoDuration(url, vid.duration), level);
                }
            }
            if (vid.rating !== undefined && (vid.rating < 0 || vid.rating > 5)) {
                errorHandler(new errors_1$1.InvalidVideoRating(url, vid.title, vid.rating), level);
            }
            if (typeof vid !== 'object' ||
                !vid.thumbnail_loc ||
                !vid.title ||
                !vid.description) {
                // has to be an object and include required categories https://support.google.com/webmasters/answer/80471?hl=en&ref_topic=4581190
                errorHandler(new errors_1$1.InvalidVideoFormat(url), level);
            }
            if (vid.title.length > 100) {
                errorHandler(new errors_1$1.InvalidVideoTitle(url, vid.title.length), level);
            }
            if (vid.description.length > 2048) {
                errorHandler(new errors_1$1.InvalidVideoDescription(url, vid.description.length), level);
            }
            if (vid.view_count !== undefined && vid.view_count < 0) {
                errorHandler(new errors_1$1.InvalidVideoViewCount(url, vid.view_count), level);
            }
            if (vid.tag.length > 32) {
                errorHandler(new errors_1$1.InvalidVideoTagCount(url, vid.tag.length), level);
            }
            if (vid.category !== undefined && ((_a = vid.category) === null || _a === void 0 ? void 0 : _a.length) > 256) {
                errorHandler(new errors_1$1.InvalidVideoCategory(url, vid.category.length), level);
            }
            if (vid.family_friendly !== undefined &&
                !(0, types_1$2.isValidYesNo)(vid.family_friendly)) {
                errorHandler(new errors_1$1.InvalidVideoFamilyFriendly(url, vid.family_friendly), level);
            }
            if (vid.restriction) {
                if (!types_2.validators.restriction.test(vid.restriction)) {
                    errorHandler(new errors_1$1.InvalidVideoRestriction(url, vid.restriction), level);
                }
                if (!vid['restriction:relationship'] ||
                    !(0, types_1$2.isAllowDeny)(vid['restriction:relationship'])) {
                    errorHandler(new errors_1$1.InvalidVideoRestrictionRelationship(url, vid['restriction:relationship']), level);
                }
            }
            // TODO price element should be unbounded
            if ((vid.price === '' && vid['price:type'] === undefined) ||
                (vid['price:type'] !== undefined && !(0, types_1$2.isPriceType)(vid['price:type']))) {
                errorHandler(new errors_1$1.InvalidVideoPriceType(url, vid['price:type'], vid.price), level);
            }
            if (vid['price:resolution'] !== undefined &&
                !(0, types_1$2.isResolution)(vid['price:resolution'])) {
                errorHandler(new errors_1$1.InvalidVideoResolution(url, vid['price:resolution']), level);
            }
            if (vid['price:currency'] !== undefined &&
                !types_2.validators['price:currency'].test(vid['price:currency'])) {
                errorHandler(new errors_1$1.InvalidVideoPriceCurrency(url, vid['price:currency']), level);
            }
            validate(vid, 'video', url, level);
        });
    }
    return conf;
}
utils.validateSMIOptions = validateSMIOptions;
/**
 * Combines multiple streams into one
 * @param streams the streams to combine
 */
function mergeStreams(streams, options) {
    let pass = new stream_1$2.PassThrough(options);
    let waiting = streams.length;
    for (const stream of streams) {
        pass = stream.pipe(pass, { end: false });
        stream.once('end', () => --waiting === 0 && pass.emit('end'));
    }
    return pass;
}
utils.mergeStreams = mergeStreams;
/**
 * Wraps node's ReadLine in a stream
 */
class ReadlineStream extends stream_1$2.Readable {
    constructor(options) {
        if (options.autoDestroy === undefined) {
            options.autoDestroy = true;
        }
        options.objectMode = true;
        super(options);
        this._source = (0, readline_1.createInterface)({
            input: options.input,
            terminal: false,
            crlfDelay: Infinity,
        });
        // Every time there's data, push it into the internal buffer.
        this._source.on('line', (chunk) => {
            // If push() returns false, then stop reading from source.
            if (!this.push(chunk))
                this._source.pause();
        });
        // When the source ends, push the EOF-signaling `null` chunk.
        this._source.on('close', () => {
            this.push(null);
        });
    }
    // _read() will be called when the stream wants to pull more data in.
    // The advisory size argument is ignored in this case.
    _read(size) {
        this._source.resume();
    }
}
utils.ReadlineStream = ReadlineStream;
/**
 * Takes a stream likely from fs.createReadStream('./path') and returns a stream
 * of sitemap items
 * @param stream a stream of line separated urls.
 * @param opts.isJSON is the stream line separated JSON. leave undefined to guess
 */
function lineSeparatedURLsToSitemapOptions(stream, { isJSON } = {}) {
    return new ReadlineStream({ input: stream }).pipe(new stream_1$2.Transform({
        objectMode: true,
        // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
        transform: (line, encoding, cb) => {
            if (isJSON || (isJSON === undefined && line[0] === '{')) {
                cb(null, JSON.parse(line));
            }
            else {
                cb(null, line);
            }
        },
    }));
}
utils.lineSeparatedURLsToSitemapOptions = lineSeparatedURLsToSitemapOptions;
/**
 * Based on lodash's implementation of chunk.
 *
 * Copyright JS Foundation and other contributors <https://js.foundation/>
 *
 * Based on Underscore.js, copyright Jeremy Ashkenas,
 * DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
 *
 * This software consists of voluntary contributions made by many
 * individuals. For exact contribution history, see the revision history
 * available at https://github.com/lodash/lodash
 */
/* eslint-disable @typescript-eslint/no-explicit-any */
function chunk(array, size = 1) {
    size = Math.max(Math.trunc(size), 0);
    const length = array ? array.length : 0;
    if (!length || size < 1) {
        return [];
    }
    const result = Array(Math.ceil(length / size));
    let index = 0, resIndex = 0;
    while (index < length) {
        result[resIndex++] = array.slice(index, (index += size));
    }
    return result;
}
utils.chunk = chunk;
function boolToYESNO(bool) {
    if (bool === undefined) {
        return bool;
    }
    if (typeof bool === 'boolean') {
        return bool ? types_1$2.EnumYesNo.yes : types_1$2.EnumYesNo.no;
    }
    return bool;
}
/**
 * Converts the passed in sitemap entry into one capable of being consumed by SitemapItem
 * @param {string | SitemapItemLoose} elem the string or object to be converted
 * @param {string} hostname
 * @returns SitemapItemOptions a strict sitemap item option
 */
function normalizeURL(elem, hostname, lastmodDateOnly = false) {
    // SitemapItem
    // create object with url property
    let smi = {
        img: [],
        video: [],
        links: [],
        url: '',
    };
    let smiLoose;
    if (typeof elem === 'string') {
        smi.url = elem;
        smiLoose = { url: elem };
    }
    else {
        smiLoose = elem;
    }
    smi.url = new url_1.URL(smiLoose.url, hostname).toString();
    let img = [];
    if (smiLoose.img) {
        if (typeof smiLoose.img === 'string') {
            // string -> array of objects
            smiLoose.img = [{ url: smiLoose.img }];
        }
        else if (!Array.isArray(smiLoose.img)) {
            // object -> array of objects
            smiLoose.img = [smiLoose.img];
        }
        img = smiLoose.img.map((el) => (typeof el === 'string' ? { url: el } : el));
    }
    // prepend hostname to all image urls
    smi.img = img.map((el) => ({
        ...el,
        url: new url_1.URL(el.url, hostname).toString(),
    }));
    let links = [];
    if (smiLoose.links) {
        links = smiLoose.links;
    }
    smi.links = links.map((link) => {
        return { ...link, url: new url_1.URL(link.url, hostname).toString() };
    });
    if (smiLoose.video) {
        if (!Array.isArray(smiLoose.video)) {
            // make it an array
            smiLoose.video = [smiLoose.video];
        }
        smi.video = smiLoose.video.map((video) => {
            const nv = {
                ...video,
                family_friendly: boolToYESNO(video.family_friendly),
                live: boolToYESNO(video.live),
                requires_subscription: boolToYESNO(video.requires_subscription),
                tag: [],
                rating: undefined,
            };
            if (video.tag !== undefined) {
                nv.tag = !Array.isArray(video.tag) ? [video.tag] : video.tag;
            }
            if (video.rating !== undefined) {
                if (typeof video.rating === 'string') {
                    nv.rating = parseFloat(video.rating);
                }
                else {
                    nv.rating = video.rating;
                }
            }
            if (typeof video.view_count === 'string') {
                nv.view_count = parseInt(video.view_count, 10);
            }
            else if (typeof video.view_count === 'number') {
                nv.view_count = video.view_count;
            }
            return nv;
        });
    }
    // If given a file to use for last modified date
    if (smiLoose.lastmodfile) {
        const { mtime } = (0, fs_1.statSync)(smiLoose.lastmodfile);
        smi.lastmod = new Date(mtime).toISOString();
        // The date of last modification (YYYY-MM-DD)
    }
    else if (smiLoose.lastmodISO) {
        smi.lastmod = new Date(smiLoose.lastmodISO).toISOString();
    }
    else if (smiLoose.lastmod) {
        smi.lastmod = new Date(smiLoose.lastmod).toISOString();
    }
    if (lastmodDateOnly && smi.lastmod) {
        smi.lastmod = smi.lastmod.slice(0, 10);
    }
    delete smiLoose.lastmodfile;
    delete smiLoose.lastmodISO;
    smi = { ...smiLoose, ...smi };
    return smi;
}
utils.normalizeURL = normalizeURL;

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.streamToPromise = exports.SitemapStream = exports.closetag = exports.stylesheetInclude = void 0;
	const stream_1 = require$$0$2;
	const types_1 = types;
	const utils_1 = utils;
	const sitemap_item_stream_1 = sitemapItemStream;
	const errors_1 = errors;
	const xmlDec = '<?xml version="1.0" encoding="UTF-8"?>';
	const stylesheetInclude = (url) => {
	    return `<?xml-stylesheet type="text/xsl" href="${url}"?>`;
	};
	exports.stylesheetInclude = stylesheetInclude;
	const urlsetTagStart = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"';
	const getURLSetNs = ({ news, video, image, xhtml, custom }, xslURL) => {
	    let ns = xmlDec;
	    if (xslURL) {
	        ns += (0, exports.stylesheetInclude)(xslURL);
	    }
	    ns += urlsetTagStart;
	    if (news) {
	        ns += ' xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"';
	    }
	    if (xhtml) {
	        ns += ' xmlns:xhtml="http://www.w3.org/1999/xhtml"';
	    }
	    if (image) {
	        ns += ' xmlns:image="http://www.google.com/schemas/sitemap-image/1.1"';
	    }
	    if (video) {
	        ns += ' xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"';
	    }
	    if (custom) {
	        ns += ' ' + custom.join(' ');
	    }
	    return ns + '>';
	};
	exports.closetag = '</urlset>';
	const defaultXMLNS = {
	    news: true,
	    xhtml: true,
	    image: true,
	    video: true,
	};
	const defaultStreamOpts = {
	    xmlns: defaultXMLNS,
	};
	/**
	 * A [Transform](https://nodejs.org/api/stream.html#stream_implementing_a_transform_stream)
	 * for turning a
	 * [Readable stream](https://nodejs.org/api/stream.html#stream_readable_streams)
	 * of either [SitemapItemOptions](#sitemap-item-options) or url strings into a
	 * Sitemap. The readable stream it transforms **must** be in object mode.
	 */
	class SitemapStream extends stream_1.Transform {
	    constructor(opts = defaultStreamOpts) {
	        opts.objectMode = true;
	        super(opts);
	        this.hasHeadOutput = false;
	        this.hostname = opts.hostname;
	        this.level = opts.level || types_1.ErrorLevel.WARN;
	        this.errorHandler = opts.errorHandler;
	        this.smiStream = new sitemap_item_stream_1.SitemapItemStream({ level: opts.level });
	        this.smiStream.on('data', (data) => this.push(data));
	        this.lastmodDateOnly = opts.lastmodDateOnly || false;
	        this.xmlNS = opts.xmlns || defaultXMLNS;
	        this.xslUrl = opts.xslUrl;
	    }
	    _transform(item, encoding, callback) {
	        if (!this.hasHeadOutput) {
	            this.hasHeadOutput = true;
	            this.push(getURLSetNs(this.xmlNS, this.xslUrl));
	        }
	        this.smiStream.write((0, utils_1.validateSMIOptions)((0, utils_1.normalizeURL)(item, this.hostname, this.lastmodDateOnly), this.level, this.errorHandler));
	        callback();
	    }
	    _flush(cb) {
	        if (!this.hasHeadOutput) {
	            cb(new errors_1.EmptySitemap());
	        }
	        else {
	            this.push(exports.closetag);
	            cb();
	        }
	    }
	}
	exports.SitemapStream = SitemapStream;
	/**
	 * Takes a stream returns a promise that resolves when stream emits finish
	 * @param stream what you want wrapped in a promise
	 */
	function streamToPromise(stream) {
	    return new Promise((resolve, reject) => {
	        const drain = [];
	        stream
	            .pipe(new stream_1.Writable({
	            write(chunk, enc, next) {
	                drain.push(chunk);
	                next();
	            },
	        }))
	            .on('error', reject)
	            .on('finish', () => {
	            if (!drain.length) {
	                reject(new errors_1.EmptyStream());
	            }
	            else {
	                resolve(Buffer.concat(drain));
	            }
	        });
	    });
	}
	exports.streamToPromise = streamToPromise; 
} (sitemapStream));

(function (exports) {
	Object.defineProperty(exports, "__esModule", { value: true });
	exports.SitemapAndIndexStream = exports.SitemapIndexStream = exports.IndexTagNames = void 0;
	const stream_1 = require$$0$2;
	const types_1 = types;
	const sitemap_stream_1 = sitemapStream;
	const sitemap_xml_1 = sitemapXml;
	var IndexTagNames;
	(function (IndexTagNames) {
	    IndexTagNames["sitemap"] = "sitemap";
	    IndexTagNames["loc"] = "loc";
	    IndexTagNames["lastmod"] = "lastmod";
	})(IndexTagNames = exports.IndexTagNames || (exports.IndexTagNames = {}));
	const xmlDec = '<?xml version="1.0" encoding="UTF-8"?>';
	const sitemapIndexTagStart = '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
	const closetag = '</sitemapindex>';
	const defaultStreamOpts = {};
	class SitemapIndexStream extends stream_1.Transform {
	    constructor(opts = defaultStreamOpts) {
	        var _a;
	        opts.objectMode = true;
	        super(opts);
	        this.hasHeadOutput = false;
	        this.lastmodDateOnly = opts.lastmodDateOnly || false;
	        this.level = (_a = opts.level) !== null && _a !== void 0 ? _a : types_1.ErrorLevel.WARN;
	        this.xslUrl = opts.xslUrl;
	    }
	    _transform(item, encoding, callback) {
	        if (!this.hasHeadOutput) {
	            this.hasHeadOutput = true;
	            let stylesheet = '';
	            if (this.xslUrl) {
	                stylesheet = (0, sitemap_stream_1.stylesheetInclude)(this.xslUrl);
	            }
	            this.push(xmlDec + stylesheet + sitemapIndexTagStart);
	        }
	        this.push((0, sitemap_xml_1.otag)(IndexTagNames.sitemap));
	        if (typeof item === 'string') {
	            this.push((0, sitemap_xml_1.element)(IndexTagNames.loc, item));
	        }
	        else {
	            this.push((0, sitemap_xml_1.element)(IndexTagNames.loc, item.url));
	            if (item.lastmod) {
	                const lastmod = new Date(item.lastmod).toISOString();
	                this.push((0, sitemap_xml_1.element)(IndexTagNames.lastmod, this.lastmodDateOnly ? lastmod.slice(0, 10) : lastmod));
	            }
	        }
	        this.push((0, sitemap_xml_1.ctag)(IndexTagNames.sitemap));
	        callback();
	    }
	    _flush(cb) {
	        this.push(closetag);
	        cb();
	    }
	}
	exports.SitemapIndexStream = SitemapIndexStream;
	// const defaultSIStreamOpts: SitemapAndIndexStreamOptions = {};
	class SitemapAndIndexStream extends SitemapIndexStream {
	    constructor(opts) {
	        var _a;
	        opts.objectMode = true;
	        super(opts);
	        this.i = 0;
	        this.getSitemapStream = opts.getSitemapStream;
	        [this.idxItem, this.currentSitemap, this.currentSitemapPipeline] =
	            this.getSitemapStream(0);
	        this.limit = (_a = opts.limit) !== null && _a !== void 0 ? _a : 45000;
	    }
	    _writeSMI(item) {
	        this.currentSitemap.write(item);
	        this.i++;
	    }
	    _transform(item, encoding, callback) {
	        var _a;
	        if (this.i === 0) {
	            this._writeSMI(item);
	            super._transform(this.idxItem, encoding, callback);
	        }
	        else if (this.i % this.limit === 0) {
	            const onFinish = () => {
	                const [idxItem, currentSitemap, currentSitemapPipeline] = this.getSitemapStream(this.i / this.limit);
	                this.currentSitemap = currentSitemap;
	                this.currentSitemapPipeline = currentSitemapPipeline;
	                this._writeSMI(item);
	                // push to index stream
	                super._transform(idxItem, encoding, callback);
	            };
	            (_a = this.currentSitemapPipeline) === null || _a === void 0 ? void 0 : _a.on('finish', onFinish);
	            this.currentSitemap.end(!this.currentSitemapPipeline ? onFinish : undefined);
	        }
	        else {
	            this._writeSMI(item);
	            callback();
	        }
	    }
	    _flush(cb) {
	        var _a;
	        const onFinish = () => super._flush(cb);
	        (_a = this.currentSitemapPipeline) === null || _a === void 0 ? void 0 : _a.on('finish', onFinish);
	        this.currentSitemap.end(!this.currentSitemapPipeline ? onFinish : undefined);
	    }
	}
	exports.SitemapAndIndexStream = SitemapAndIndexStream; 
} (sitemapIndexStream));

var xmllint = {};

Object.defineProperty(xmllint, "__esModule", { value: true });
xmllint.xmlLint = void 0;
const path_1 = path$q;
const child_process_1 = require$$0$7;
const errors_1 = errors;
/**
 * Verify the passed in xml is valid. Requires xmllib be installed
 * @param xml what you want validated
 * @return {Promise<void>} resolves on valid rejects [error stderr]
 */
function xmlLint(xml) {
    const args = [
        '--schema',
        (0, path_1.resolve)(__dirname, '..', '..', 'schema', 'all.xsd'),
        '--noout',
        '-',
    ];
    if (typeof xml === 'string') {
        args[args.length - 1] = xml;
    }
    return new Promise((resolve, reject) => {
        (0, child_process_1.execFile)('which', ['xmllint'], (error, stdout, stderr) => {
            if (error) {
                reject([new errors_1.XMLLintUnavailable()]);
                return;
            }
            const xmllint = (0, child_process_1.execFile)('xmllint', args, (error, stdout, stderr) => {
                if (error) {
                    reject([error, stderr]);
                }
                resolve();
            });
            if (xmllint.stdout) {
                xmllint.stdout.unpipe();
                if (typeof xml !== 'string' && xml && xmllint.stdin) {
                    xml.pipe(xmllint.stdin);
                }
            }
        });
    });
}
xmllint.xmlLint = xmlLint;

var sitemapParser = {};

var sax = {};

(function (exports) {
(function (sax) { // wrapper for non-node envs
	  sax.parser = function (strict, opt) { return new SAXParser(strict, opt) };
	  sax.SAXParser = SAXParser;
	  sax.SAXStream = SAXStream;
	  sax.createStream = createStream;

	  // When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns.
	  // When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)),
	  // since that's the earliest that a buffer overrun could occur.  This way, checks are
	  // as rare as required, but as often as necessary to ensure never crossing this bound.
	  // Furthermore, buffers are only tested at most once per write(), so passing a very
	  // large string into write() might have undesirable effects, but this is manageable by
	  // the caller, so it is assumed to be safe.  Thus, a call to write() may, in the extreme
	  // edge case, result in creating at most one complete copy of the string passed in.
	  // Set to Infinity to have unlimited buffers.
	  sax.MAX_BUFFER_LENGTH = 64 * 1024;

	  var buffers = [
	    'comment', 'sgmlDecl', 'textNode', 'tagName', 'doctype',
	    'procInstName', 'procInstBody', 'entity', 'attribName',
	    'attribValue', 'cdata', 'script'
	  ];

	  sax.EVENTS = [
	    'text',
	    'processinginstruction',
	    'sgmldeclaration',
	    'doctype',
	    'comment',
	    'opentagstart',
	    'attribute',
	    'opentag',
	    'closetag',
	    'opencdata',
	    'cdata',
	    'closecdata',
	    'error',
	    'end',
	    'ready',
	    'script',
	    'opennamespace',
	    'closenamespace'
	  ];

	  function SAXParser (strict, opt) {
	    if (!(this instanceof SAXParser)) {
	      return new SAXParser(strict, opt)
	    }

	    var parser = this;
	    clearBuffers(parser);
	    parser.q = parser.c = '';
	    parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH;
	    parser.opt = opt || {};
	    parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags;
	    parser.looseCase = parser.opt.lowercase ? 'toLowerCase' : 'toUpperCase';
	    parser.tags = [];
	    parser.closed = parser.closedRoot = parser.sawRoot = false;
	    parser.tag = parser.error = null;
	    parser.strict = !!strict;
	    parser.noscript = !!(strict || parser.opt.noscript);
	    parser.state = S.BEGIN;
	    parser.strictEntities = parser.opt.strictEntities;
	    parser.ENTITIES = parser.strictEntities ? Object.create(sax.XML_ENTITIES) : Object.create(sax.ENTITIES);
	    parser.attribList = [];

	    // namespaces form a prototype chain.
	    // it always points at the current tag,
	    // which protos to its parent tag.
	    if (parser.opt.xmlns) {
	      parser.ns = Object.create(rootNS);
	    }

	    // mostly just for error reporting
	    parser.trackPosition = parser.opt.position !== false;
	    if (parser.trackPosition) {
	      parser.position = parser.line = parser.column = 0;
	    }
	    emit(parser, 'onready');
	  }

	  if (!Object.create) {
	    Object.create = function (o) {
	      function F () {}
	      F.prototype = o;
	      var newf = new F();
	      return newf
	    };
	  }

	  if (!Object.keys) {
	    Object.keys = function (o) {
	      var a = [];
	      for (var i in o) if (o.hasOwnProperty(i)) a.push(i);
	      return a
	    };
	  }

	  function checkBufferLength (parser) {
	    var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10);
	    var maxActual = 0;
	    for (var i = 0, l = buffers.length; i < l; i++) {
	      var len = parser[buffers[i]].length;
	      if (len > maxAllowed) {
	        // Text/cdata nodes can get big, and since they're buffered,
	        // we can get here under normal conditions.
	        // Avoid issues by emitting the text node now,
	        // so at least it won't get any bigger.
	        switch (buffers[i]) {
	          case 'textNode':
	            closeText(parser);
	            break

	          case 'cdata':
	            emitNode(parser, 'oncdata', parser.cdata);
	            parser.cdata = '';
	            break

	          case 'script':
	            emitNode(parser, 'onscript', parser.script);
	            parser.script = '';
	            break

	          default:
	            error(parser, 'Max buffer length exceeded: ' + buffers[i]);
	        }
	      }
	      maxActual = Math.max(maxActual, len);
	    }
	    // schedule the next check for the earliest possible buffer overrun.
	    var m = sax.MAX_BUFFER_LENGTH - maxActual;
	    parser.bufferCheckPosition = m + parser.position;
	  }

	  function clearBuffers (parser) {
	    for (var i = 0, l = buffers.length; i < l; i++) {
	      parser[buffers[i]] = '';
	    }
	  }

	  function flushBuffers (parser) {
	    closeText(parser);
	    if (parser.cdata !== '') {
	      emitNode(parser, 'oncdata', parser.cdata);
	      parser.cdata = '';
	    }
	    if (parser.script !== '') {
	      emitNode(parser, 'onscript', parser.script);
	      parser.script = '';
	    }
	  }

	  SAXParser.prototype = {
	    end: function () { end(this); },
	    write: write,
	    resume: function () { this.error = null; return this },
	    close: function () { return this.write(null) },
	    flush: function () { flushBuffers(this); }
	  };

	  var Stream;
	  try {
	    Stream = require('stream').Stream;
	  } catch (ex) {
	    Stream = function () {};
	  }
	  if (!Stream) Stream = function () {};

	  var streamWraps = sax.EVENTS.filter(function (ev) {
	    return ev !== 'error' && ev !== 'end'
	  });

	  function createStream (strict, opt) {
	    return new SAXStream(strict, opt)
	  }

	  function SAXStream (strict, opt) {
	    if (!(this instanceof SAXStream)) {
	      return new SAXStream(strict, opt)
	    }

	    Stream.apply(this);

	    this._parser = new SAXParser(strict, opt);
	    this.writable = true;
	    this.readable = true;

	    var me = this;

	    this._parser.onend = function () {
	      me.emit('end');
	    };

	    this._parser.onerror = function (er) {
	      me.emit('error', er);

	      // if didn't throw, then means error was handled.
	      // go ahead and clear error, so we can write again.
	      me._parser.error = null;
	    };

	    this._decoder = null;

	    streamWraps.forEach(function (ev) {
	      Object.defineProperty(me, 'on' + ev, {
	        get: function () {
	          return me._parser['on' + ev]
	        },
	        set: function (h) {
	          if (!h) {
	            me.removeAllListeners(ev);
	            me._parser['on' + ev] = h;
	            return h
	          }
	          me.on(ev, h);
	        },
	        enumerable: true,
	        configurable: false
	      });
	    });
	  }

	  SAXStream.prototype = Object.create(Stream.prototype, {
	    constructor: {
	      value: SAXStream
	    }
	  });

	  SAXStream.prototype.write = function (data) {
	    if (typeof Buffer === 'function' &&
	      typeof Buffer.isBuffer === 'function' &&
	      Buffer.isBuffer(data)) {
	      if (!this._decoder) {
	        var SD = require$$1.StringDecoder;
	        this._decoder = new SD('utf8');
	      }
	      data = this._decoder.write(data);
	    }

	    this._parser.write(data.toString());
	    this.emit('data', data);
	    return true
	  };

	  SAXStream.prototype.end = function (chunk) {
	    if (chunk && chunk.length) {
	      this.write(chunk);
	    }
	    this._parser.end();
	    return true
	  };

	  SAXStream.prototype.on = function (ev, handler) {
	    var me = this;
	    if (!me._parser['on' + ev] && streamWraps.indexOf(ev) !== -1) {
	      me._parser['on' + ev] = function () {
	        var args = arguments.length === 1 ? [arguments[0]] : Array.apply(null, arguments);
	        args.splice(0, 0, ev);
	        me.emit.apply(me, args);
	      };
	    }

	    return Stream.prototype.on.call(me, ev, handler)
	  };

	  // this really needs to be replaced with character classes.
	  // XML allows all manner of ridiculous numbers and digits.
	  var CDATA = '[CDATA[';
	  var DOCTYPE = 'DOCTYPE';
	  var XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace';
	  var XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/';
	  var rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE };

	  // http://www.w3.org/TR/REC-xml/#NT-NameStartChar
	  // This implementation works on strings, a single character at a time
	  // as such, it cannot ever support astral-plane characters (10000-EFFFF)
	  // without a significant breaking change to either this  parser, or the
	  // JavaScript language.  Implementation of an emoji-capable xml parser
	  // is left as an exercise for the reader.
	  var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/;

	  var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/;

	  var entityStart = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/;
	  var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/;

	  function isWhitespace (c) {
	    return c === ' ' || c === '\n' || c === '\r' || c === '\t'
	  }

	  function isQuote (c) {
	    return c === '"' || c === '\''
	  }

	  function isAttribEnd (c) {
	    return c === '>' || isWhitespace(c)
	  }

	  function isMatch (regex, c) {
	    return regex.test(c)
	  }

	  function notMatch (regex, c) {
	    return !isMatch(regex, c)
	  }

	  var S = 0;
	  sax.STATE = {
	    BEGIN: S++, // leading byte order mark or whitespace
	    BEGIN_WHITESPACE: S++, // leading whitespace
	    TEXT: S++, // general stuff
	    TEXT_ENTITY: S++, // &amp and such.
	    OPEN_WAKA: S++, // <
	    SGML_DECL: S++, // <!BLARG
	    SGML_DECL_QUOTED: S++, // <!BLARG foo "bar
	    DOCTYPE: S++, // <!DOCTYPE
	    DOCTYPE_QUOTED: S++, // <!DOCTYPE "//blah
	    DOCTYPE_DTD: S++, // <!DOCTYPE "//blah" [ ...
	    DOCTYPE_DTD_QUOTED: S++, // <!DOCTYPE "//blah" [ "foo
	    COMMENT_STARTING: S++, // <!-
	    COMMENT: S++, // <!--
	    COMMENT_ENDING: S++, // <!-- blah -
	    COMMENT_ENDED: S++, // <!-- blah --
	    CDATA: S++, // <![CDATA[ something
	    CDATA_ENDING: S++, // ]
	    CDATA_ENDING_2: S++, // ]]
	    PROC_INST: S++, // <?hi
	    PROC_INST_BODY: S++, // <?hi there
	    PROC_INST_ENDING: S++, // <?hi "there" ?
	    OPEN_TAG: S++, // <strong
	    OPEN_TAG_SLASH: S++, // <strong /
	    ATTRIB: S++, // <a
	    ATTRIB_NAME: S++, // <a foo
	    ATTRIB_NAME_SAW_WHITE: S++, // <a foo _
	    ATTRIB_VALUE: S++, // <a foo=
	    ATTRIB_VALUE_QUOTED: S++, // <a foo="bar
	    ATTRIB_VALUE_CLOSED: S++, // <a foo="bar"
	    ATTRIB_VALUE_UNQUOTED: S++, // <a foo=bar
	    ATTRIB_VALUE_ENTITY_Q: S++, // <foo bar="&quot;"
	    ATTRIB_VALUE_ENTITY_U: S++, // <foo bar=&quot
	    CLOSE_TAG: S++, // </a
	    CLOSE_TAG_SAW_WHITE: S++, // </a   >
	    SCRIPT: S++, // <script> ...
	    SCRIPT_ENDING: S++ // <script> ... <
	  };

	  sax.XML_ENTITIES = {
	    'amp': '&',
	    'gt': '>',
	    'lt': '<',
	    'quot': '"',
	    'apos': "'"
	  };

	  sax.ENTITIES = {
	    'amp': '&',
	    'gt': '>',
	    'lt': '<',
	    'quot': '"',
	    'apos': "'",
	    'AElig': 198,
	    'Aacute': 193,
	    'Acirc': 194,
	    'Agrave': 192,
	    'Aring': 197,
	    'Atilde': 195,
	    'Auml': 196,
	    'Ccedil': 199,
	    'ETH': 208,
	    'Eacute': 201,
	    'Ecirc': 202,
	    'Egrave': 200,
	    'Euml': 203,
	    'Iacute': 205,
	    'Icirc': 206,
	    'Igrave': 204,
	    'Iuml': 207,
	    'Ntilde': 209,
	    'Oacute': 211,
	    'Ocirc': 212,
	    'Ograve': 210,
	    'Oslash': 216,
	    'Otilde': 213,
	    'Ouml': 214,
	    'THORN': 222,
	    'Uacute': 218,
	    'Ucirc': 219,
	    'Ugrave': 217,
	    'Uuml': 220,
	    'Yacute': 221,
	    'aacute': 225,
	    'acirc': 226,
	    'aelig': 230,
	    'agrave': 224,
	    'aring': 229,
	    'atilde': 227,
	    'auml': 228,
	    'ccedil': 231,
	    'eacute': 233,
	    'ecirc': 234,
	    'egrave': 232,
	    'eth': 240,
	    'euml': 235,
	    'iacute': 237,
	    'icirc': 238,
	    'igrave': 236,
	    'iuml': 239,
	    'ntilde': 241,
	    'oacute': 243,
	    'ocirc': 244,
	    'ograve': 242,
	    'oslash': 248,
	    'otilde': 245,
	    'ouml': 246,
	    'szlig': 223,
	    'thorn': 254,
	    'uacute': 250,
	    'ucirc': 251,
	    'ugrave': 249,
	    'uuml': 252,
	    'yacute': 253,
	    'yuml': 255,
	    'copy': 169,
	    'reg': 174,
	    'nbsp': 160,
	    'iexcl': 161,
	    'cent': 162,
	    'pound': 163,
	    'curren': 164,
	    'yen': 165,
	    'brvbar': 166,
	    'sect': 167,
	    'uml': 168,
	    'ordf': 170,
	    'laquo': 171,
	    'not': 172,
	    'shy': 173,
	    'macr': 175,
	    'deg': 176,
	    'plusmn': 177,
	    'sup1': 185,
	    'sup2': 178,
	    'sup3': 179,
	    'acute': 180,
	    'micro': 181,
	    'para': 182,
	    'middot': 183,
	    'cedil': 184,
	    'ordm': 186,
	    'raquo': 187,
	    'frac14': 188,
	    'frac12': 189,
	    'frac34': 190,
	    'iquest': 191,
	    'times': 215,
	    'divide': 247,
	    'OElig': 338,
	    'oelig': 339,
	    'Scaron': 352,
	    'scaron': 353,
	    'Yuml': 376,
	    'fnof': 402,
	    'circ': 710,
	    'tilde': 732,
	    'Alpha': 913,
	    'Beta': 914,
	    'Gamma': 915,
	    'Delta': 916,
	    'Epsilon': 917,
	    'Zeta': 918,
	    'Eta': 919,
	    'Theta': 920,
	    'Iota': 921,
	    'Kappa': 922,
	    'Lambda': 923,
	    'Mu': 924,
	    'Nu': 925,
	    'Xi': 926,
	    'Omicron': 927,
	    'Pi': 928,
	    'Rho': 929,
	    'Sigma': 931,
	    'Tau': 932,
	    'Upsilon': 933,
	    'Phi': 934,
	    'Chi': 935,
	    'Psi': 936,
	    'Omega': 937,
	    'alpha': 945,
	    'beta': 946,
	    'gamma': 947,
	    'delta': 948,
	    'epsilon': 949,
	    'zeta': 950,
	    'eta': 951,
	    'theta': 952,
	    'iota': 953,
	    'kappa': 954,
	    'lambda': 955,
	    'mu': 956,
	    'nu': 957,
	    'xi': 958,
	    'omicron': 959,
	    'pi': 960,
	    'rho': 961,
	    'sigmaf': 962,
	    'sigma': 963,
	    'tau': 964,
	    'upsilon': 965,
	    'phi': 966,
	    'chi': 967,
	    'psi': 968,
	    'omega': 969,
	    'thetasym': 977,
	    'upsih': 978,
	    'piv': 982,
	    'ensp': 8194,
	    'emsp': 8195,
	    'thinsp': 8201,
	    'zwnj': 8204,
	    'zwj': 8205,
	    'lrm': 8206,
	    'rlm': 8207,
	    'ndash': 8211,
	    'mdash': 8212,
	    'lsquo': 8216,
	    'rsquo': 8217,
	    'sbquo': 8218,
	    'ldquo': 8220,
	    'rdquo': 8221,
	    'bdquo': 8222,
	    'dagger': 8224,
	    'Dagger': 8225,
	    'bull': 8226,
	    'hellip': 8230,
	    'permil': 8240,
	    'prime': 8242,
	    'Prime': 8243,
	    'lsaquo': 8249,
	    'rsaquo': 8250,
	    'oline': 8254,
	    'frasl': 8260,
	    'euro': 8364,
	    'image': 8465,
	    'weierp': 8472,
	    'real': 8476,
	    'trade': 8482,
	    'alefsym': 8501,
	    'larr': 8592,
	    'uarr': 8593,
	    'rarr': 8594,
	    'darr': 8595,
	    'harr': 8596,
	    'crarr': 8629,
	    'lArr': 8656,
	    'uArr': 8657,
	    'rArr': 8658,
	    'dArr': 8659,
	    'hArr': 8660,
	    'forall': 8704,
	    'part': 8706,
	    'exist': 8707,
	    'empty': 8709,
	    'nabla': 8711,
	    'isin': 8712,
	    'notin': 8713,
	    'ni': 8715,
	    'prod': 8719,
	    'sum': 8721,
	    'minus': 8722,
	    'lowast': 8727,
	    'radic': 8730,
	    'prop': 8733,
	    'infin': 8734,
	    'ang': 8736,
	    'and': 8743,
	    'or': 8744,
	    'cap': 8745,
	    'cup': 8746,
	    'int': 8747,
	    'there4': 8756,
	    'sim': 8764,
	    'cong': 8773,
	    'asymp': 8776,
	    'ne': 8800,
	    'equiv': 8801,
	    'le': 8804,
	    'ge': 8805,
	    'sub': 8834,
	    'sup': 8835,
	    'nsub': 8836,
	    'sube': 8838,
	    'supe': 8839,
	    'oplus': 8853,
	    'otimes': 8855,
	    'perp': 8869,
	    'sdot': 8901,
	    'lceil': 8968,
	    'rceil': 8969,
	    'lfloor': 8970,
	    'rfloor': 8971,
	    'lang': 9001,
	    'rang': 9002,
	    'loz': 9674,
	    'spades': 9824,
	    'clubs': 9827,
	    'hearts': 9829,
	    'diams': 9830
	  };

	  Object.keys(sax.ENTITIES).forEach(function (key) {
	    var e = sax.ENTITIES[key];
	    var s = typeof e === 'number' ? String.fromCharCode(e) : e;
	    sax.ENTITIES[key] = s;
	  });

	  for (var s in sax.STATE) {
	    sax.STATE[sax.STATE[s]] = s;
	  }

	  // shorthand
	  S = sax.STATE;

	  function emit (parser, event, data) {
	    parser[event] && parser[event](data);
	  }

	  function emitNode (parser, nodeType, data) {
	    if (parser.textNode) closeText(parser);
	    emit(parser, nodeType, data);
	  }

	  function closeText (parser) {
	    parser.textNode = textopts(parser.opt, parser.textNode);
	    if (parser.textNode) emit(parser, 'ontext', parser.textNode);
	    parser.textNode = '';
	  }

	  function textopts (opt, text) {
	    if (opt.trim) text = text.trim();
	    if (opt.normalize) text = text.replace(/\s+/g, ' ');
	    return text
	  }

	  function error (parser, er) {
	    closeText(parser);
	    if (parser.trackPosition) {
	      er += '\nLine: ' + parser.line +
	        '\nColumn: ' + parser.column +
	        '\nChar: ' + parser.c;
	    }
	    er = new Error(er);
	    parser.error = er;
	    emit(parser, 'onerror', er);
	    return parser
	  }

	  function end (parser) {
	    if (parser.sawRoot && !parser.closedRoot) strictFail(parser, 'Unclosed root tag');
	    if ((parser.state !== S.BEGIN) &&
	      (parser.state !== S.BEGIN_WHITESPACE) &&
	      (parser.state !== S.TEXT)) {
	      error(parser, 'Unexpected end');
	    }
	    closeText(parser);
	    parser.c = '';
	    parser.closed = true;
	    emit(parser, 'onend');
	    SAXParser.call(parser, parser.strict, parser.opt);
	    return parser
	  }

	  function strictFail (parser, message) {
	    if (typeof parser !== 'object' || !(parser instanceof SAXParser)) {
	      throw new Error('bad call to strictFail')
	    }
	    if (parser.strict) {
	      error(parser, message);
	    }
	  }

	  function newTag (parser) {
	    if (!parser.strict) parser.tagName = parser.tagName[parser.looseCase]();
	    var parent = parser.tags[parser.tags.length - 1] || parser;
	    var tag = parser.tag = { name: parser.tagName, attributes: {} };

	    // will be overridden if tag contails an xmlns="foo" or xmlns:foo="bar"
	    if (parser.opt.xmlns) {
	      tag.ns = parent.ns;
	    }
	    parser.attribList.length = 0;
	    emitNode(parser, 'onopentagstart', tag);
	  }

	  function qname (name, attribute) {
	    var i = name.indexOf(':');
	    var qualName = i < 0 ? [ '', name ] : name.split(':');
	    var prefix = qualName[0];
	    var local = qualName[1];

	    // <x "xmlns"="http://foo">
	    if (attribute && name === 'xmlns') {
	      prefix = 'xmlns';
	      local = '';
	    }

	    return { prefix: prefix, local: local }
	  }

	  function attrib (parser) {
	    if (!parser.strict) {
	      parser.attribName = parser.attribName[parser.looseCase]();
	    }

	    if (parser.attribList.indexOf(parser.attribName) !== -1 ||
	      parser.tag.attributes.hasOwnProperty(parser.attribName)) {
	      parser.attribName = parser.attribValue = '';
	      return
	    }

	    if (parser.opt.xmlns) {
	      var qn = qname(parser.attribName, true);
	      var prefix = qn.prefix;
	      var local = qn.local;

	      if (prefix === 'xmlns') {
	        // namespace binding attribute. push the binding into scope
	        if (local === 'xml' && parser.attribValue !== XML_NAMESPACE) {
	          strictFail(parser,
	            'xml: prefix must be bound to ' + XML_NAMESPACE + '\n' +
	            'Actual: ' + parser.attribValue);
	        } else if (local === 'xmlns' && parser.attribValue !== XMLNS_NAMESPACE) {
	          strictFail(parser,
	            'xmlns: prefix must be bound to ' + XMLNS_NAMESPACE + '\n' +
	            'Actual: ' + parser.attribValue);
	        } else {
	          var tag = parser.tag;
	          var parent = parser.tags[parser.tags.length - 1] || parser;
	          if (tag.ns === parent.ns) {
	            tag.ns = Object.create(parent.ns);
	          }
	          tag.ns[local] = parser.attribValue;
	        }
	      }

	      // defer onattribute events until all attributes have been seen
	      // so any new bindings can take effect. preserve attribute order
	      // so deferred events can be emitted in document order
	      parser.attribList.push([parser.attribName, parser.attribValue]);
	    } else {
	      // in non-xmlns mode, we can emit the event right away
	      parser.tag.attributes[parser.attribName] = parser.attribValue;
	      emitNode(parser, 'onattribute', {
	        name: parser.attribName,
	        value: parser.attribValue
	      });
	    }

	    parser.attribName = parser.attribValue = '';
	  }

	  function openTag (parser, selfClosing) {
	    if (parser.opt.xmlns) {
	      // emit namespace binding events
	      var tag = parser.tag;

	      // add namespace info to tag
	      var qn = qname(parser.tagName);
	      tag.prefix = qn.prefix;
	      tag.local = qn.local;
	      tag.uri = tag.ns[qn.prefix] || '';

	      if (tag.prefix && !tag.uri) {
	        strictFail(parser, 'Unbound namespace prefix: ' +
	          JSON.stringify(parser.tagName));
	        tag.uri = qn.prefix;
	      }

	      var parent = parser.tags[parser.tags.length - 1] || parser;
	      if (tag.ns && parent.ns !== tag.ns) {
	        Object.keys(tag.ns).forEach(function (p) {
	          emitNode(parser, 'onopennamespace', {
	            prefix: p,
	            uri: tag.ns[p]
	          });
	        });
	      }

	      // handle deferred onattribute events
	      // Note: do not apply default ns to attributes:
	      //   http://www.w3.org/TR/REC-xml-names/#defaulting
	      for (var i = 0, l = parser.attribList.length; i < l; i++) {
	        var nv = parser.attribList[i];
	        var name = nv[0];
	        var value = nv[1];
	        var qualName = qname(name, true);
	        var prefix = qualName.prefix;
	        var local = qualName.local;
	        var uri = prefix === '' ? '' : (tag.ns[prefix] || '');
	        var a = {
	          name: name,
	          value: value,
	          prefix: prefix,
	          local: local,
	          uri: uri
	        };

	        // if there's any attributes with an undefined namespace,
	        // then fail on them now.
	        if (prefix && prefix !== 'xmlns' && !uri) {
	          strictFail(parser, 'Unbound namespace prefix: ' +
	            JSON.stringify(prefix));
	          a.uri = prefix;
	        }
	        parser.tag.attributes[name] = a;
	        emitNode(parser, 'onattribute', a);
	      }
	      parser.attribList.length = 0;
	    }

	    parser.tag.isSelfClosing = !!selfClosing;

	    // process the tag
	    parser.sawRoot = true;
	    parser.tags.push(parser.tag);
	    emitNode(parser, 'onopentag', parser.tag);
	    if (!selfClosing) {
	      // special case for <script> in non-strict mode.
	      if (!parser.noscript && parser.tagName.toLowerCase() === 'script') {
	        parser.state = S.SCRIPT;
	      } else {
	        parser.state = S.TEXT;
	      }
	      parser.tag = null;
	      parser.tagName = '';
	    }
	    parser.attribName = parser.attribValue = '';
	    parser.attribList.length = 0;
	  }

	  function closeTag (parser) {
	    if (!parser.tagName) {
	      strictFail(parser, 'Weird empty close tag.');
	      parser.textNode += '</>';
	      parser.state = S.TEXT;
	      return
	    }

	    if (parser.script) {
	      if (parser.tagName !== 'script') {
	        parser.script += '</' + parser.tagName + '>';
	        parser.tagName = '';
	        parser.state = S.SCRIPT;
	        return
	      }
	      emitNode(parser, 'onscript', parser.script);
	      parser.script = '';
	    }

	    // first make sure that the closing tag actually exists.
	    // <a><b></c></b></a> will close everything, otherwise.
	    var t = parser.tags.length;
	    var tagName = parser.tagName;
	    if (!parser.strict) {
	      tagName = tagName[parser.looseCase]();
	    }
	    var closeTo = tagName;
	    while (t--) {
	      var close = parser.tags[t];
	      if (close.name !== closeTo) {
	        // fail the first time in strict mode
	        strictFail(parser, 'Unexpected close tag');
	      } else {
	        break
	      }
	    }

	    // didn't find it.  we already failed for strict, so just abort.
	    if (t < 0) {
	      strictFail(parser, 'Unmatched closing tag: ' + parser.tagName);
	      parser.textNode += '</' + parser.tagName + '>';
	      parser.state = S.TEXT;
	      return
	    }
	    parser.tagName = tagName;
	    var s = parser.tags.length;
	    while (s-- > t) {
	      var tag = parser.tag = parser.tags.pop();
	      parser.tagName = parser.tag.name;
	      emitNode(parser, 'onclosetag', parser.tagName);

	      var x = {};
	      for (var i in tag.ns) {
	        x[i] = tag.ns[i];
	      }

	      var parent = parser.tags[parser.tags.length - 1] || parser;
	      if (parser.opt.xmlns && tag.ns !== parent.ns) {
	        // remove namespace bindings introduced by tag
	        Object.keys(tag.ns).forEach(function (p) {
	          var n = tag.ns[p];
	          emitNode(parser, 'onclosenamespace', { prefix: p, uri: n });
	        });
	      }
	    }
	    if (t === 0) parser.closedRoot = true;
	    parser.tagName = parser.attribValue = parser.attribName = '';
	    parser.attribList.length = 0;
	    parser.state = S.TEXT;
	  }

	  function parseEntity (parser) {
	    var entity = parser.entity;
	    var entityLC = entity.toLowerCase();
	    var num;
	    var numStr = '';

	    if (parser.ENTITIES[entity]) {
	      return parser.ENTITIES[entity]
	    }
	    if (parser.ENTITIES[entityLC]) {
	      return parser.ENTITIES[entityLC]
	    }
	    entity = entityLC;
	    if (entity.charAt(0) === '#') {
	      if (entity.charAt(1) === 'x') {
	        entity = entity.slice(2);
	        num = parseInt(entity, 16);
	        numStr = num.toString(16);
	      } else {
	        entity = entity.slice(1);
	        num = parseInt(entity, 10);
	        numStr = num.toString(10);
	      }
	    }
	    entity = entity.replace(/^0+/, '');
	    if (isNaN(num) || numStr.toLowerCase() !== entity) {
	      strictFail(parser, 'Invalid character entity');
	      return '&' + parser.entity + ';'
	    }

	    return String.fromCodePoint(num)
	  }

	  function beginWhiteSpace (parser, c) {
	    if (c === '<') {
	      parser.state = S.OPEN_WAKA;
	      parser.startTagPosition = parser.position;
	    } else if (!isWhitespace(c)) {
	      // have to process this as a text node.
	      // weird, but happens.
	      strictFail(parser, 'Non-whitespace before first tag.');
	      parser.textNode = c;
	      parser.state = S.TEXT;
	    }
	  }

	  function charAt (chunk, i) {
	    var result = '';
	    if (i < chunk.length) {
	      result = chunk.charAt(i);
	    }
	    return result
	  }

	  function write (chunk) {
	    var parser = this;
	    if (this.error) {
	      throw this.error
	    }
	    if (parser.closed) {
	      return error(parser,
	        'Cannot write after close. Assign an onready handler.')
	    }
	    if (chunk === null) {
	      return end(parser)
	    }
	    if (typeof chunk === 'object') {
	      chunk = chunk.toString();
	    }
	    var i = 0;
	    var c = '';
	    while (true) {
	      c = charAt(chunk, i++);
	      parser.c = c;

	      if (!c) {
	        break
	      }

	      if (parser.trackPosition) {
	        parser.position++;
	        if (c === '\n') {
	          parser.line++;
	          parser.column = 0;
	        } else {
	          parser.column++;
	        }
	      }

	      switch (parser.state) {
	        case S.BEGIN:
	          parser.state = S.BEGIN_WHITESPACE;
	          if (c === '\uFEFF') {
	            continue
	          }
	          beginWhiteSpace(parser, c);
	          continue

	        case S.BEGIN_WHITESPACE:
	          beginWhiteSpace(parser, c);
	          continue

	        case S.TEXT:
	          if (parser.sawRoot && !parser.closedRoot) {
	            var starti = i - 1;
	            while (c && c !== '<' && c !== '&') {
	              c = charAt(chunk, i++);
	              if (c && parser.trackPosition) {
	                parser.position++;
	                if (c === '\n') {
	                  parser.line++;
	                  parser.column = 0;
	                } else {
	                  parser.column++;
	                }
	              }
	            }
	            parser.textNode += chunk.substring(starti, i - 1);
	          }
	          if (c === '<' && !(parser.sawRoot && parser.closedRoot && !parser.strict)) {
	            parser.state = S.OPEN_WAKA;
	            parser.startTagPosition = parser.position;
	          } else {
	            if (!isWhitespace(c) && (!parser.sawRoot || parser.closedRoot)) {
	              strictFail(parser, 'Text data outside of root node.');
	            }
	            if (c === '&') {
	              parser.state = S.TEXT_ENTITY;
	            } else {
	              parser.textNode += c;
	            }
	          }
	          continue

	        case S.SCRIPT:
	          // only non-strict
	          if (c === '<') {
	            parser.state = S.SCRIPT_ENDING;
	          } else {
	            parser.script += c;
	          }
	          continue

	        case S.SCRIPT_ENDING:
	          if (c === '/') {
	            parser.state = S.CLOSE_TAG;
	          } else {
	            parser.script += '<' + c;
	            parser.state = S.SCRIPT;
	          }
	          continue

	        case S.OPEN_WAKA:
	          // either a /, ?, !, or text is coming next.
	          if (c === '!') {
	            parser.state = S.SGML_DECL;
	            parser.sgmlDecl = '';
	          } else if (isWhitespace(c)) ; else if (isMatch(nameStart, c)) {
	            parser.state = S.OPEN_TAG;
	            parser.tagName = c;
	          } else if (c === '/') {
	            parser.state = S.CLOSE_TAG;
	            parser.tagName = '';
	          } else if (c === '?') {
	            parser.state = S.PROC_INST;
	            parser.procInstName = parser.procInstBody = '';
	          } else {
	            strictFail(parser, 'Unencoded <');
	            // if there was some whitespace, then add that in.
	            if (parser.startTagPosition + 1 < parser.position) {
	              var pad = parser.position - parser.startTagPosition;
	              c = new Array(pad).join(' ') + c;
	            }
	            parser.textNode += '<' + c;
	            parser.state = S.TEXT;
	          }
	          continue

	        case S.SGML_DECL:
	          if ((parser.sgmlDecl + c).toUpperCase() === CDATA) {
	            emitNode(parser, 'onopencdata');
	            parser.state = S.CDATA;
	            parser.sgmlDecl = '';
	            parser.cdata = '';
	          } else if (parser.sgmlDecl + c === '--') {
	            parser.state = S.COMMENT;
	            parser.comment = '';
	            parser.sgmlDecl = '';
	          } else if ((parser.sgmlDecl + c).toUpperCase() === DOCTYPE) {
	            parser.state = S.DOCTYPE;
	            if (parser.doctype || parser.sawRoot) {
	              strictFail(parser,
	                'Inappropriately located doctype declaration');
	            }
	            parser.doctype = '';
	            parser.sgmlDecl = '';
	          } else if (c === '>') {
	            emitNode(parser, 'onsgmldeclaration', parser.sgmlDecl);
	            parser.sgmlDecl = '';
	            parser.state = S.TEXT;
	          } else if (isQuote(c)) {
	            parser.state = S.SGML_DECL_QUOTED;
	            parser.sgmlDecl += c;
	          } else {
	            parser.sgmlDecl += c;
	          }
	          continue

	        case S.SGML_DECL_QUOTED:
	          if (c === parser.q) {
	            parser.state = S.SGML_DECL;
	            parser.q = '';
	          }
	          parser.sgmlDecl += c;
	          continue

	        case S.DOCTYPE:
	          if (c === '>') {
	            parser.state = S.TEXT;
	            emitNode(parser, 'ondoctype', parser.doctype);
	            parser.doctype = true; // just remember that we saw it.
	          } else {
	            parser.doctype += c;
	            if (c === '[') {
	              parser.state = S.DOCTYPE_DTD;
	            } else if (isQuote(c)) {
	              parser.state = S.DOCTYPE_QUOTED;
	              parser.q = c;
	            }
	          }
	          continue

	        case S.DOCTYPE_QUOTED:
	          parser.doctype += c;
	          if (c === parser.q) {
	            parser.q = '';
	            parser.state = S.DOCTYPE;
	          }
	          continue

	        case S.DOCTYPE_DTD:
	          parser.doctype += c;
	          if (c === ']') {
	            parser.state = S.DOCTYPE;
	          } else if (isQuote(c)) {
	            parser.state = S.DOCTYPE_DTD_QUOTED;
	            parser.q = c;
	          }
	          continue

	        case S.DOCTYPE_DTD_QUOTED:
	          parser.doctype += c;
	          if (c === parser.q) {
	            parser.state = S.DOCTYPE_DTD;
	            parser.q = '';
	          }
	          continue

	        case S.COMMENT:
	          if (c === '-') {
	            parser.state = S.COMMENT_ENDING;
	          } else {
	            parser.comment += c;
	          }
	          continue

	        case S.COMMENT_ENDING:
	          if (c === '-') {
	            parser.state = S.COMMENT_ENDED;
	            parser.comment = textopts(parser.opt, parser.comment);
	            if (parser.comment) {
	              emitNode(parser, 'oncomment', parser.comment);
	            }
	            parser.comment = '';
	          } else {
	            parser.comment += '-' + c;
	            parser.state = S.COMMENT;
	          }
	          continue

	        case S.COMMENT_ENDED:
	          if (c !== '>') {
	            strictFail(parser, 'Malformed comment');
	            // allow <!-- blah -- bloo --> in non-strict mode,
	            // which is a comment of " blah -- bloo "
	            parser.comment += '--' + c;
	            parser.state = S.COMMENT;
	          } else {
	            parser.state = S.TEXT;
	          }
	          continue

	        case S.CDATA:
	          if (c === ']') {
	            parser.state = S.CDATA_ENDING;
	          } else {
	            parser.cdata += c;
	          }
	          continue

	        case S.CDATA_ENDING:
	          if (c === ']') {
	            parser.state = S.CDATA_ENDING_2;
	          } else {
	            parser.cdata += ']' + c;
	            parser.state = S.CDATA;
	          }
	          continue

	        case S.CDATA_ENDING_2:
	          if (c === '>') {
	            if (parser.cdata) {
	              emitNode(parser, 'oncdata', parser.cdata);
	            }
	            emitNode(parser, 'onclosecdata');
	            parser.cdata = '';
	            parser.state = S.TEXT;
	          } else if (c === ']') {
	            parser.cdata += ']';
	          } else {
	            parser.cdata += ']]' + c;
	            parser.state = S.CDATA;
	          }
	          continue

	        case S.PROC_INST:
	          if (c === '?') {
	            parser.state = S.PROC_INST_ENDING;
	          } else if (isWhitespace(c)) {
	            parser.state = S.PROC_INST_BODY;
	          } else {
	            parser.procInstName += c;
	          }
	          continue

	        case S.PROC_INST_BODY:
	          if (!parser.procInstBody && isWhitespace(c)) {
	            continue
	          } else if (c === '?') {
	            parser.state = S.PROC_INST_ENDING;
	          } else {
	            parser.procInstBody += c;
	          }
	          continue

	        case S.PROC_INST_ENDING:
	          if (c === '>') {
	            emitNode(parser, 'onprocessinginstruction', {
	              name: parser.procInstName,
	              body: parser.procInstBody
	            });
	            parser.procInstName = parser.procInstBody = '';
	            parser.state = S.TEXT;
	          } else {
	            parser.procInstBody += '?' + c;
	            parser.state = S.PROC_INST_BODY;
	          }
	          continue

	        case S.OPEN_TAG:
	          if (isMatch(nameBody, c)) {
	            parser.tagName += c;
	          } else {
	            newTag(parser);
	            if (c === '>') {
	              openTag(parser);
	            } else if (c === '/') {
	              parser.state = S.OPEN_TAG_SLASH;
	            } else {
	              if (!isWhitespace(c)) {
	                strictFail(parser, 'Invalid character in tag name');
	              }
	              parser.state = S.ATTRIB;
	            }
	          }
	          continue

	        case S.OPEN_TAG_SLASH:
	          if (c === '>') {
	            openTag(parser, true);
	            closeTag(parser);
	          } else {
	            strictFail(parser, 'Forward-slash in opening tag not followed by >');
	            parser.state = S.ATTRIB;
	          }
	          continue

	        case S.ATTRIB:
	          // haven't read the attribute name yet.
	          if (isWhitespace(c)) {
	            continue
	          } else if (c === '>') {
	            openTag(parser);
	          } else if (c === '/') {
	            parser.state = S.OPEN_TAG_SLASH;
	          } else if (isMatch(nameStart, c)) {
	            parser.attribName = c;
	            parser.attribValue = '';
	            parser.state = S.ATTRIB_NAME;
	          } else {
	            strictFail(parser, 'Invalid attribute name');
	          }
	          continue

	        case S.ATTRIB_NAME:
	          if (c === '=') {
	            parser.state = S.ATTRIB_VALUE;
	          } else if (c === '>') {
	            strictFail(parser, 'Attribute without value');
	            parser.attribValue = parser.attribName;
	            attrib(parser);
	            openTag(parser);
	          } else if (isWhitespace(c)) {
	            parser.state = S.ATTRIB_NAME_SAW_WHITE;
	          } else if (isMatch(nameBody, c)) {
	            parser.attribName += c;
	          } else {
	            strictFail(parser, 'Invalid attribute name');
	          }
	          continue

	        case S.ATTRIB_NAME_SAW_WHITE:
	          if (c === '=') {
	            parser.state = S.ATTRIB_VALUE;
	          } else if (isWhitespace(c)) {
	            continue
	          } else {
	            strictFail(parser, 'Attribute without value');
	            parser.tag.attributes[parser.attribName] = '';
	            parser.attribValue = '';
	            emitNode(parser, 'onattribute', {
	              name: parser.attribName,
	              value: ''
	            });
	            parser.attribName = '';
	            if (c === '>') {
	              openTag(parser);
	            } else if (isMatch(nameStart, c)) {
	              parser.attribName = c;
	              parser.state = S.ATTRIB_NAME;
	            } else {
	              strictFail(parser, 'Invalid attribute name');
	              parser.state = S.ATTRIB;
	            }
	          }
	          continue

	        case S.ATTRIB_VALUE:
	          if (isWhitespace(c)) {
	            continue
	          } else if (isQuote(c)) {
	            parser.q = c;
	            parser.state = S.ATTRIB_VALUE_QUOTED;
	          } else {
	            strictFail(parser, 'Unquoted attribute value');
	            parser.state = S.ATTRIB_VALUE_UNQUOTED;
	            parser.attribValue = c;
	          }
	          continue

	        case S.ATTRIB_VALUE_QUOTED:
	          if (c !== parser.q) {
	            if (c === '&') {
	              parser.state = S.ATTRIB_VALUE_ENTITY_Q;
	            } else {
	              parser.attribValue += c;
	            }
	            continue
	          }
	          attrib(parser);
	          parser.q = '';
	          parser.state = S.ATTRIB_VALUE_CLOSED;
	          continue

	        case S.ATTRIB_VALUE_CLOSED:
	          if (isWhitespace(c)) {
	            parser.state = S.ATTRIB;
	          } else if (c === '>') {
	            openTag(parser);
	          } else if (c === '/') {
	            parser.state = S.OPEN_TAG_SLASH;
	          } else if (isMatch(nameStart, c)) {
	            strictFail(parser, 'No whitespace between attributes');
	            parser.attribName = c;
	            parser.attribValue = '';
	            parser.state = S.ATTRIB_NAME;
	          } else {
	            strictFail(parser, 'Invalid attribute name');
	          }
	          continue

	        case S.ATTRIB_VALUE_UNQUOTED:
	          if (!isAttribEnd(c)) {
	            if (c === '&') {
	              parser.state = S.ATTRIB_VALUE_ENTITY_U;
	            } else {
	              parser.attribValue += c;
	            }
	            continue
	          }
	          attrib(parser);
	          if (c === '>') {
	            openTag(parser);
	          } else {
	            parser.state = S.ATTRIB;
	          }
	          continue

	        case S.CLOSE_TAG:
	          if (!parser.tagName) {
	            if (isWhitespace(c)) {
	              continue
	            } else if (notMatch(nameStart, c)) {
	              if (parser.script) {
	                parser.script += '</' + c;
	                parser.state = S.SCRIPT;
	              } else {
	                strictFail(parser, 'Invalid tagname in closing tag.');
	              }
	            } else {
	              parser.tagName = c;
	            }
	          } else if (c === '>') {
	            closeTag(parser);
	          } else if (isMatch(nameBody, c)) {
	            parser.tagName += c;
	          } else if (parser.script) {
	            parser.script += '</' + parser.tagName;
	            parser.tagName = '';
	            parser.state = S.SCRIPT;
	          } else {
	            if (!isWhitespace(c)) {
	              strictFail(parser, 'Invalid tagname in closing tag');
	            }
	            parser.state = S.CLOSE_TAG_SAW_WHITE;
	          }
	          continue

	        case S.CLOSE_TAG_SAW_WHITE:
	          if (isWhitespace(c)) {
	            continue
	          }
	          if (c === '>') {
	            closeTag(parser);
	          } else {
	            strictFail(parser, 'Invalid characters in closing tag');
	          }
	          continue

	        case S.TEXT_ENTITY:
	        case S.ATTRIB_VALUE_ENTITY_Q:
	        case S.ATTRIB_VALUE_ENTITY_U:
	          var returnState;
	          var buffer;
	          switch (parser.state) {
	            case S.TEXT_ENTITY:
	              returnState = S.TEXT;
	              buffer = 'textNode';
	              break

	            case S.ATTRIB_VALUE_ENTITY_Q:
	              returnState = S.ATTRIB_VALUE_QUOTED;
	              buffer = 'attribValue';
	              break

	            case S.ATTRIB_VALUE_ENTITY_U:
	              returnState = S.ATTRIB_VALUE_UNQUOTED;
	              buffer = 'attribValue';
	              break
	          }

	          if (c === ';') {
	            if (parser.opt.unparsedEntities) {
	              var parsedEntity = parseEntity(parser);
	              parser.entity = '';
	              parser.state = returnState;
	              parser.write(parsedEntity);
	            } else {
	              parser[buffer] += parseEntity(parser);
	              parser.entity = '';
	              parser.state = returnState;
	            }
	          } else if (isMatch(parser.entity.length ? entityBody : entityStart, c)) {
	            parser.entity += c;
	          } else {
	            strictFail(parser, 'Invalid character in entity name');
	            parser[buffer] += '&' + parser.entity + c;
	            parser.entity = '';
	            parser.state = returnState;
	          }

	          continue

	        default: /* istanbul ignore next */ {
	          throw new Error(parser, 'Unknown state: ' + parser.state)
	        }
	      }
	    } // while

	    if (parser.position >= parser.bufferCheckPosition) {
	      checkBufferLength(parser);
	    }
	    return parser
	  }

	  /*! http://mths.be/fromcodepoint v0.1.0 by @mathias */
	  /* istanbul ignore next */
	  if (!String.fromCodePoint) {
	    (function () {
	      var stringFromCharCode = String.fromCharCode;
	      var floor = Math.floor;
	      var fromCodePoint = function () {
	        var MAX_SIZE = 0x4000;
	        var codeUnits = [];
	        var highSurrogate;
	        var lowSurrogate;
	        var index = -1;
	        var length = arguments.length;
	        if (!length) {
	          return ''
	        }
	        var result = '';
	        while (++index < length) {
	          var codePoint = Number(arguments[index]);
	          if (
	            !isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`
	            codePoint < 0 || // not a valid Unicode code point
	            codePoint > 0x10FFFF || // not a valid Unicode code point
	            floor(codePoint) !== codePoint // not an integer
	          ) {
	            throw RangeError('Invalid code point: ' + codePoint)
	          }
	          if (codePoint <= 0xFFFF) { // BMP code point
	            codeUnits.push(codePoint);
	          } else { // Astral code point; split in surrogate halves
	            // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
	            codePoint -= 0x10000;
	            highSurrogate = (codePoint >> 10) + 0xD800;
	            lowSurrogate = (codePoint % 0x400) + 0xDC00;
	            codeUnits.push(highSurrogate, lowSurrogate);
	          }
	          if (index + 1 === length || codeUnits.length > MAX_SIZE) {
	            result += stringFromCharCode.apply(null, codeUnits);
	            codeUnits.length = 0;
	          }
	        }
	        return result
	      };
	      /* istanbul ignore next */
	      if (Object.defineProperty) {
	        Object.defineProperty(String, 'fromCodePoint', {
	          value: fromCodePoint,
	          configurable: true,
	          writable: true
	        });
	      } else {
	        String.fromCodePoint = fromCodePoint;
	      }
	    }());
	  }
	})(exports); 
} (sax));

var __importDefault$1 = (commonjsGlobal && commonjsGlobal.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(sitemapParser, "__esModule", { value: true });
sitemapParser.ObjectStreamToJSON = sitemapParser.parseSitemap = sitemapParser.XMLToSitemapItemStream = void 0;
const sax_1$1 = __importDefault$1(sax);
const stream_1$1 = require$$0$2;
const types_1$1 = types;
function isValidTagName$1(tagName) {
    // This only works because the enum name and value are the same
    return tagName in types_1$1.TagNames;
}
function tagTemplate$1() {
    return {
        img: [],
        video: [],
        links: [],
        url: '',
    };
}
function videoTemplate() {
    return {
        tag: [],
        thumbnail_loc: '',
        title: '',
        description: '',
    };
}
const imageTemplate = {
    url: '',
};
const linkTemplate = {
    lang: '',
    url: '',
};
function newsTemplate() {
    return {
        publication: { name: '', language: '' },
        publication_date: '',
        title: '',
    };
}
const defaultLogger$1 = (level, ...message) => console[level](...message);
const defaultStreamOpts$1 = {
    logger: defaultLogger$1,
};
// TODO does this need to end with `options`
/**
 * Takes a stream of xml and transforms it into a stream of SitemapItems
 * Use this to parse existing sitemaps into config options compatible with this library
 */
class XMLToSitemapItemStream extends stream_1$1.Transform {
    constructor(opts = defaultStreamOpts$1) {
        var _a;
        opts.objectMode = true;
        super(opts);
        this.error = null;
        this.saxStream = sax_1$1.default.createStream(true, {
            xmlns: true,
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-ignore
            strictEntities: true,
            trim: true,
        });
        this.level = opts.level || types_1$1.ErrorLevel.WARN;
        if (this.level !== types_1$1.ErrorLevel.SILENT && opts.logger !== false) {
            this.logger = (_a = opts.logger) !== null && _a !== void 0 ? _a : defaultLogger$1;
        }
        else {
            this.logger = () => undefined;
        }
        let currentItem = tagTemplate$1();
        let currentTag;
        let currentVideo = videoTemplate();
        let currentImage = { ...imageTemplate };
        let currentLink = { ...linkTemplate };
        let dontpushCurrentLink = false;
        this.saxStream.on('opentagstart', (tag) => {
            currentTag = tag.name;
            if (currentTag.startsWith('news:') && !currentItem.news) {
                currentItem.news = newsTemplate();
            }
        });
        this.saxStream.on('opentag', (tag) => {
            if (isValidTagName$1(tag.name)) {
                if (tag.name === 'xhtml:link') {
                    if (typeof tag.attributes.rel === 'string' ||
                        typeof tag.attributes.href === 'string') {
                        return;
                    }
                    if (tag.attributes.rel.value === 'alternate' &&
                        tag.attributes.hreflang) {
                        currentLink.url = tag.attributes.href.value;
                        if (typeof tag.attributes.hreflang === 'string')
                            return;
                        currentLink.lang = tag.attributes.hreflang.value;
                    }
                    else if (tag.attributes.rel.value === 'alternate') {
                        dontpushCurrentLink = true;
                        currentItem.androidLink = tag.attributes.href.value;
                    }
                    else if (tag.attributes.rel.value === 'amphtml') {
                        dontpushCurrentLink = true;
                        currentItem.ampLink = tag.attributes.href.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for xhtml:link', tag.attributes);
                        this.err(`unhandled attr for xhtml:link ${tag.attributes}`);
                    }
                }
            }
            else {
                this.logger('warn', 'unhandled tag', tag.name);
                this.err(`unhandled tag: ${tag.name}`);
            }
        });
        this.saxStream.on('text', (text) => {
            switch (currentTag) {
                case 'mobile:mobile':
                    break;
                case types_1$1.TagNames.loc:
                    currentItem.url = text;
                    break;
                case types_1$1.TagNames.changefreq:
                    if ((0, types_1$1.isValidChangeFreq)(text)) {
                        currentItem.changefreq = text;
                    }
                    break;
                case types_1$1.TagNames.priority:
                    currentItem.priority = parseFloat(text);
                    break;
                case types_1$1.TagNames.lastmod:
                    currentItem.lastmod = text;
                    break;
                case types_1$1.TagNames['video:thumbnail_loc']:
                    currentVideo.thumbnail_loc = text;
                    break;
                case types_1$1.TagNames['video:tag']:
                    currentVideo.tag.push(text);
                    break;
                case types_1$1.TagNames['video:duration']:
                    currentVideo.duration = parseInt(text, 10);
                    break;
                case types_1$1.TagNames['video:player_loc']:
                    currentVideo.player_loc = text;
                    break;
                case types_1$1.TagNames['video:content_loc']:
                    currentVideo.content_loc = text;
                    break;
                case types_1$1.TagNames['video:requires_subscription']:
                    if ((0, types_1$1.isValidYesNo)(text)) {
                        currentVideo.requires_subscription = text;
                    }
                    break;
                case types_1$1.TagNames['video:publication_date']:
                    currentVideo.publication_date = text;
                    break;
                case types_1$1.TagNames['video:id']:
                    currentVideo.id = text;
                    break;
                case types_1$1.TagNames['video:restriction']:
                    currentVideo.restriction = text;
                    break;
                case types_1$1.TagNames['video:view_count']:
                    currentVideo.view_count = parseInt(text, 10);
                    break;
                case types_1$1.TagNames['video:uploader']:
                    currentVideo.uploader = text;
                    break;
                case types_1$1.TagNames['video:family_friendly']:
                    if ((0, types_1$1.isValidYesNo)(text)) {
                        currentVideo.family_friendly = text;
                    }
                    break;
                case types_1$1.TagNames['video:expiration_date']:
                    currentVideo.expiration_date = text;
                    break;
                case types_1$1.TagNames['video:platform']:
                    currentVideo.platform = text;
                    break;
                case types_1$1.TagNames['video:price']:
                    currentVideo.price = text;
                    break;
                case types_1$1.TagNames['video:rating']:
                    currentVideo.rating = parseFloat(text);
                    break;
                case types_1$1.TagNames['video:category']:
                    currentVideo.category = text;
                    break;
                case types_1$1.TagNames['video:live']:
                    if ((0, types_1$1.isValidYesNo)(text)) {
                        currentVideo.live = text;
                    }
                    break;
                case types_1$1.TagNames['video:gallery_loc']:
                    currentVideo.gallery_loc = text;
                    break;
                case types_1$1.TagNames['image:loc']:
                    currentImage.url = text;
                    break;
                case types_1$1.TagNames['image:geo_location']:
                    currentImage.geoLocation = text;
                    break;
                case types_1$1.TagNames['image:license']:
                    currentImage.license = text;
                    break;
                case types_1$1.TagNames['news:access']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.access = text;
                    break;
                case types_1$1.TagNames['news:genres']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.genres = text;
                    break;
                case types_1$1.TagNames['news:publication_date']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.publication_date = text;
                    break;
                case types_1$1.TagNames['news:keywords']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.keywords = text;
                    break;
                case types_1$1.TagNames['news:stock_tickers']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.stock_tickers = text;
                    break;
                case types_1$1.TagNames['news:language']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.publication.language = text;
                    break;
                case types_1$1.TagNames['video:title']:
                    currentVideo.title += text;
                    break;
                case types_1$1.TagNames['video:description']:
                    currentVideo.description += text;
                    break;
                case types_1$1.TagNames['news:name']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.publication.name += text;
                    break;
                case types_1$1.TagNames['news:title']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.title += text;
                    break;
                case types_1$1.TagNames['image:caption']:
                    if (!currentImage.caption) {
                        currentImage.caption = text;
                    }
                    else {
                        currentImage.caption += text;
                    }
                    break;
                case types_1$1.TagNames['image:title']:
                    if (!currentImage.title) {
                        currentImage.title = text;
                    }
                    else {
                        currentImage.title += text;
                    }
                    break;
                default:
                    this.logger('log', 'unhandled text for tag:', currentTag, `'${text}'`);
                    this.err(`unhandled text for tag: ${currentTag} '${text}'`);
                    break;
            }
        });
        this.saxStream.on('cdata', (text) => {
            switch (currentTag) {
                case types_1$1.TagNames['video:title']:
                    currentVideo.title += text;
                    break;
                case types_1$1.TagNames['video:description']:
                    currentVideo.description += text;
                    break;
                case types_1$1.TagNames['news:name']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.publication.name += text;
                    break;
                case types_1$1.TagNames['news:title']:
                    if (!currentItem.news) {
                        currentItem.news = newsTemplate();
                    }
                    currentItem.news.title += text;
                    break;
                case types_1$1.TagNames['image:caption']:
                    if (!currentImage.caption) {
                        currentImage.caption = text;
                    }
                    else {
                        currentImage.caption += text;
                    }
                    break;
                case types_1$1.TagNames['image:title']:
                    if (!currentImage.title) {
                        currentImage.title = text;
                    }
                    else {
                        currentImage.title += text;
                    }
                    break;
                default:
                    this.logger('log', 'unhandled cdata for tag:', currentTag);
                    this.err(`unhandled cdata for tag: ${currentTag}`);
                    break;
            }
        });
        this.saxStream.on('attribute', (attr) => {
            switch (currentTag) {
                case types_1$1.TagNames['urlset']:
                case types_1$1.TagNames['xhtml:link']:
                case types_1$1.TagNames['video:id']:
                    break;
                case types_1$1.TagNames['video:restriction']:
                    if (attr.name === 'relationship' && (0, types_1$1.isAllowDeny)(attr.value)) {
                        currentVideo['restriction:relationship'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr', currentTag, attr.name);
                        this.err(`unhandled attr: ${currentTag} ${attr.name}`);
                    }
                    break;
                case types_1$1.TagNames['video:price']:
                    if (attr.name === 'type' && (0, types_1$1.isPriceType)(attr.value)) {
                        currentVideo['price:type'] = attr.value;
                    }
                    else if (attr.name === 'currency') {
                        currentVideo['price:currency'] = attr.value;
                    }
                    else if (attr.name === 'resolution' && (0, types_1$1.isResolution)(attr.value)) {
                        currentVideo['price:resolution'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for video:price', attr.name);
                        this.err(`unhandled attr: ${currentTag} ${attr.name}`);
                    }
                    break;
                case types_1$1.TagNames['video:player_loc']:
                    if (attr.name === 'autoplay') {
                        currentVideo['player_loc:autoplay'] = attr.value;
                    }
                    else if (attr.name === 'allow_embed' && (0, types_1$1.isValidYesNo)(attr.value)) {
                        currentVideo['player_loc:allow_embed'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for video:player_loc', attr.name);
                        this.err(`unhandled attr: ${currentTag} ${attr.name}`);
                    }
                    break;
                case types_1$1.TagNames['video:platform']:
                    if (attr.name === 'relationship' && (0, types_1$1.isAllowDeny)(attr.value)) {
                        currentVideo['platform:relationship'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for video:platform', attr.name, attr.value);
                        this.err(`unhandled attr: ${currentTag} ${attr.name} ${attr.value}`);
                    }
                    break;
                case types_1$1.TagNames['video:gallery_loc']:
                    if (attr.name === 'title') {
                        currentVideo['gallery_loc:title'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for video:galler_loc', attr.name);
                        this.err(`unhandled attr: ${currentTag} ${attr.name}`);
                    }
                    break;
                case types_1$1.TagNames['video:uploader']:
                    if (attr.name === 'info') {
                        currentVideo['uploader:info'] = attr.value;
                    }
                    else {
                        this.logger('log', 'unhandled attr for video:uploader', attr.name);
                        this.err(`unhandled attr: ${currentTag} ${attr.name}`);
                    }
                    break;
                default:
                    this.logger('log', 'unhandled attr', currentTag, attr.name);
                    this.err(`unhandled attr: ${currentTag} ${attr.name}`);
            }
        });
        this.saxStream.on('closetag', (tag) => {
            switch (tag) {
                case types_1$1.TagNames.url:
                    this.push(currentItem);
                    currentItem = tagTemplate$1();
                    break;
                case types_1$1.TagNames['video:video']:
                    currentItem.video.push(currentVideo);
                    currentVideo = videoTemplate();
                    break;
                case types_1$1.TagNames['image:image']:
                    currentItem.img.push(currentImage);
                    currentImage = { ...imageTemplate };
                    break;
                case types_1$1.TagNames['xhtml:link']:
                    if (!dontpushCurrentLink) {
                        currentItem.links.push(currentLink);
                    }
                    currentLink = { ...linkTemplate };
                    break;
            }
        });
    }
    _transform(data, encoding, callback) {
        try {
            // correcting the type here can be done without making it a breaking change
            // TODO fix this
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-ignore
            this.saxStream.write(data, encoding);
            callback(this.level === types_1$1.ErrorLevel.THROW ? this.error : null);
        }
        catch (error) {
            callback(error);
        }
    }
    err(msg) {
        if (!this.error)
            this.error = new Error(msg);
    }
}
sitemapParser.XMLToSitemapItemStream = XMLToSitemapItemStream;
/**
  Read xml and resolve with the configuration that would produce it or reject with
  an error
  ```
  const { createReadStream } = require('fs')
  const { parseSitemap, createSitemap } = require('sitemap')
  parseSitemap(createReadStream('./example.xml')).then(
    // produces the same xml
    // you can, of course, more practically modify it or store it
    (xmlConfig) => console.log(createSitemap(xmlConfig).toString()),
    (err) => console.log(err)
  )
  ```
  @param {Readable} xml what to parse
  @return {Promise<SitemapItem[]>} resolves with list of sitemap items that can be fed into a SitemapStream. Rejects with an Error object.
 */
async function parseSitemap(xml) {
    const urls = [];
    return new Promise((resolve, reject) => {
        xml
            .pipe(new XMLToSitemapItemStream())
            .on('data', (smi) => urls.push(smi))
            .on('end', () => {
            resolve(urls);
        })
            .on('error', (error) => {
            reject(error);
        });
    });
}
sitemapParser.parseSitemap = parseSitemap;
const defaultObjectStreamOpts$1 = {
    lineSeparated: false,
};
/**
 * A Transform that converts a stream of objects into a JSON Array or a line
 * separated stringified JSON
 * @param [lineSeparated=false] whether to separate entries by a new line or comma
 */
class ObjectStreamToJSON extends stream_1$1.Transform {
    constructor(opts = defaultObjectStreamOpts$1) {
        opts.writableObjectMode = true;
        super(opts);
        this.lineSeparated = opts.lineSeparated;
        this.firstWritten = false;
    }
    _transform(chunk, encoding, cb) {
        if (!this.firstWritten) {
            this.firstWritten = true;
            if (!this.lineSeparated) {
                this.push('[');
            }
        }
        else if (this.lineSeparated) {
            this.push('\n');
        }
        else {
            this.push(',');
        }
        if (chunk) {
            this.push(JSON.stringify(chunk));
        }
        cb();
    }
    _flush(cb) {
        if (!this.lineSeparated) {
            this.push(']');
        }
        cb();
    }
}
sitemapParser.ObjectStreamToJSON = ObjectStreamToJSON;

var sitemapIndexParser = {};

var __importDefault = (commonjsGlobal && commonjsGlobal.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(sitemapIndexParser, "__esModule", { value: true });
sitemapIndexParser.IndexObjectStreamToJSON = sitemapIndexParser.parseSitemapIndex = sitemapIndexParser.XMLToSitemapIndexStream = void 0;
const sax_1 = __importDefault(sax);
const stream_1 = require$$0$2;
const types_1 = types;
function isValidTagName(tagName) {
    // This only works because the enum name and value are the same
    return tagName in types_1.IndexTagNames;
}
function tagTemplate() {
    return {
        url: '',
    };
}
const defaultLogger = (level, ...message) => console[level](...message);
const defaultStreamOpts = {
    logger: defaultLogger,
};
// TODO does this need to end with `options`
/**
 * Takes a stream of xml and transforms it into a stream of IndexItems
 * Use this to parse existing sitemap indices into config options compatible with this library
 */
class XMLToSitemapIndexStream extends stream_1.Transform {
    constructor(opts = defaultStreamOpts) {
        var _a;
        opts.objectMode = true;
        super(opts);
        this.saxStream = sax_1.default.createStream(true, {
            xmlns: true,
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-ignore
            strictEntities: true,
            trim: true,
        });
        this.level = opts.level || types_1.ErrorLevel.WARN;
        if (this.level !== types_1.ErrorLevel.SILENT && opts.logger !== false) {
            this.logger = (_a = opts.logger) !== null && _a !== void 0 ? _a : defaultLogger;
        }
        else {
            this.logger = () => undefined;
        }
        let currentItem = tagTemplate();
        let currentTag;
        this.saxStream.on('opentagstart', (tag) => {
            currentTag = tag.name;
        });
        this.saxStream.on('opentag', (tag) => {
            if (!isValidTagName(tag.name)) {
                this.logger('warn', 'unhandled tag', tag.name);
            }
        });
        this.saxStream.on('text', (text) => {
            switch (currentTag) {
                case types_1.IndexTagNames.loc:
                    currentItem.url = text;
                    break;
                case types_1.IndexTagNames.lastmod:
                    currentItem.lastmod = text;
                    break;
                default:
                    this.logger('log', 'unhandled text for tag:', currentTag, `'${text}'`);
                    break;
            }
        });
        this.saxStream.on('cdata', (_text) => {
            switch (currentTag) {
                default:
                    this.logger('log', 'unhandled cdata for tag:', currentTag);
                    break;
            }
        });
        this.saxStream.on('attribute', (attr) => {
            switch (currentTag) {
                case types_1.IndexTagNames.sitemapindex:
                    break;
                default:
                    this.logger('log', 'unhandled attr', currentTag, attr.name);
            }
        });
        this.saxStream.on('closetag', (tag) => {
            switch (tag) {
                case types_1.IndexTagNames.sitemap:
                    this.push(currentItem);
                    currentItem = tagTemplate();
                    break;
            }
        });
    }
    _transform(data, encoding, callback) {
        try {
            // correcting the type here can be done without making it a breaking change
            // TODO fix this
            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
            // @ts-ignore
            this.saxStream.write(data, encoding);
            callback();
        }
        catch (error) {
            callback(error);
        }
    }
}
sitemapIndexParser.XMLToSitemapIndexStream = XMLToSitemapIndexStream;
/**
  Read xml and resolve with the configuration that would produce it or reject with
  an error
  ```
  const { createReadStream } = require('fs')
  const { parseSitemapIndex, createSitemap } = require('sitemap')
  parseSitemapIndex(createReadStream('./example-index.xml')).then(
    // produces the same xml
    // you can, of course, more practically modify it or store it
    (xmlConfig) => console.log(createSitemap(xmlConfig).toString()),
    (err) => console.log(err)
  )
  ```
  @param {Readable} xml what to parse
  @return {Promise<IndexItem[]>} resolves with list of index items that can be fed into a SitemapIndexStream. Rejects with an Error object.
 */
async function parseSitemapIndex(xml) {
    const urls = [];
    return new Promise((resolve, reject) => {
        xml
            .pipe(new XMLToSitemapIndexStream())
            .on('data', (smi) => urls.push(smi))
            .on('end', () => {
            resolve(urls);
        })
            .on('error', (error) => {
            reject(error);
        });
    });
}
sitemapIndexParser.parseSitemapIndex = parseSitemapIndex;
const defaultObjectStreamOpts = {
    lineSeparated: false,
};
/**
 * A Transform that converts a stream of objects into a JSON Array or a line
 * separated stringified JSON
 * @param [lineSeparated=false] whether to separate entries by a new line or comma
 */
class IndexObjectStreamToJSON extends stream_1.Transform {
    constructor(opts = defaultObjectStreamOpts) {
        opts.writableObjectMode = true;
        super(opts);
        this.lineSeparated = opts.lineSeparated;
        this.firstWritten = false;
    }
    _transform(chunk, encoding, cb) {
        if (!this.firstWritten) {
            this.firstWritten = true;
            if (!this.lineSeparated) {
                this.push('[');
            }
        }
        else if (this.lineSeparated) {
            this.push('\n');
        }
        else {
            this.push(',');
        }
        if (chunk) {
            this.push(JSON.stringify(chunk));
        }
        cb();
    }
    _flush(cb) {
        if (!this.lineSeparated) {
            this.push(']');
        }
        cb();
    }
}
sitemapIndexParser.IndexObjectStreamToJSON = IndexObjectStreamToJSON;

var sitemapSimple = {};

var hasRequiredSitemapSimple;

function requireSitemapSimple () {
	if (hasRequiredSitemapSimple) return sitemapSimple;
	hasRequiredSitemapSimple = 1;
	(function (exports) {
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.simpleSitemapAndIndex = void 0;
		const index_1 = requireDist();
		const zlib_1 = zlib;
		const fs_1 = fs__default;
		const path_1 = path$q;
		const stream_1 = require$$0$2;
		const util_1 = require$$0$3;
		const url_1 = require$$3;
		const pipeline = (0, util_1.promisify)(stream_1.pipeline);
		/**
		 *
		 * @param {object} options -
		 * @param {string} options.hostname - The hostname for all URLs
		 * @param {string} [options.sitemapHostname] - The hostname for the sitemaps if different than hostname
		 * @param {SitemapItemLoose[] | string | Readable | string[]} options.sourceData - The urls you want to make a sitemap out of.
		 * @param {string} options.destinationDir - where to write the sitemaps and index
		 * @param {string} [options.publicBasePath] - where the sitemaps are relative to the hostname. Defaults to root.
		 * @param {number} [options.limit] - how many URLs to write before switching to a new file. Defaults to 50k
		 * @param {boolean} [options.gzip] - whether to compress the written files. Defaults to true
		 * @returns {Promise<void>} an empty promise that resolves when everything is done
		 */
		const simpleSitemapAndIndex = async ({ hostname, sitemapHostname = hostname, // if different
		/**
		 * Pass a line separated list of sitemap items or a stream or an array
		 */
		sourceData, destinationDir, limit = 50000, gzip = true, publicBasePath = './', }) => {
		    await fs_1.promises.mkdir(destinationDir, { recursive: true });
		    const sitemapAndIndexStream = new index_1.SitemapAndIndexStream({
		        limit,
		        getSitemapStream: (i) => {
		            const sitemapStream = new index_1.SitemapStream({
		                hostname,
		            });
		            const path = `./sitemap-${i}.xml`;
		            const writePath = (0, path_1.resolve)(destinationDir, path + (gzip ? '.gz' : ''));
		            if (!publicBasePath.endsWith('/')) {
		                publicBasePath += '/';
		            }
		            const publicPath = (0, path_1.normalize)(publicBasePath + path);
		            let pipeline;
		            if (gzip) {
		                pipeline = sitemapStream
		                    .pipe((0, zlib_1.createGzip)()) // compress the output of the sitemap
		                    .pipe((0, fs_1.createWriteStream)(writePath)); // write it to sitemap-NUMBER.xml
		            }
		            else {
		                pipeline = sitemapStream.pipe((0, fs_1.createWriteStream)(writePath)); // write it to sitemap-NUMBER.xml
		            }
		            return [
		                new url_1.URL(`${publicPath}${gzip ? '.gz' : ''}`, sitemapHostname).toString(),
		                sitemapStream,
		                pipeline,
		            ];
		        },
		    });
		    let src;
		    if (typeof sourceData === 'string') {
		        src = (0, index_1.lineSeparatedURLsToSitemapOptions)((0, fs_1.createReadStream)(sourceData));
		    }
		    else if (sourceData instanceof stream_1.Readable) {
		        src = sourceData;
		    }
		    else if (Array.isArray(sourceData)) {
		        src = stream_1.Readable.from(sourceData);
		    }
		    else {
		        throw new Error("unhandled source type. You've passed in data that is not supported");
		    }
		    const writePath = (0, path_1.resolve)(destinationDir, `./sitemap-index.xml${gzip ? '.gz' : ''}`);
		    if (gzip) {
		        return pipeline(src, sitemapAndIndexStream, (0, zlib_1.createGzip)(), (0, fs_1.createWriteStream)(writePath));
		    }
		    else {
		        return pipeline(src, sitemapAndIndexStream, (0, fs_1.createWriteStream)(writePath));
		    }
		};
		exports.simpleSitemapAndIndex = simpleSitemapAndIndex;
		exports.default = exports.simpleSitemapAndIndex; 
	} (sitemapSimple));
	return sitemapSimple;
}

var hasRequiredDist;

function requireDist () {
	if (hasRequiredDist) return dist;
	hasRequiredDist = 1;
	(function (exports) {
		var __createBinding = (commonjsGlobal && commonjsGlobal.__createBinding) || (Object.create ? (function(o, m, k, k2) {
		    if (k2 === undefined) k2 = k;
		    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
		}) : (function(o, m, k, k2) {
		    if (k2 === undefined) k2 = k;
		    o[k2] = m[k];
		}));
		var __exportStar = (commonjsGlobal && commonjsGlobal.__exportStar) || function(m, exports) {
		    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
		};
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.simpleSitemapAndIndex = exports.IndexObjectStreamToJSON = exports.XMLToSitemapIndexStream = exports.parseSitemapIndex = exports.ObjectStreamToJSON = exports.XMLToSitemapItemStream = exports.parseSitemap = exports.xmlLint = exports.ReadlineStream = exports.normalizeURL = exports.validateSMIOptions = exports.mergeStreams = exports.lineSeparatedURLsToSitemapOptions = exports.SitemapStream = exports.streamToPromise = exports.SitemapAndIndexStream = exports.SitemapIndexStream = exports.IndexTagNames = exports.SitemapItemStream = void 0;
		/*!
		 * Sitemap
		 * Copyright(c) 2011 Eugene Kalinin
		 * MIT Licensed
		 */
		var sitemap_item_stream_1 = sitemapItemStream;
		Object.defineProperty(exports, "SitemapItemStream", { enumerable: true, get: function () { return sitemap_item_stream_1.SitemapItemStream; } });
		var sitemap_index_stream_1 = sitemapIndexStream;
		Object.defineProperty(exports, "IndexTagNames", { enumerable: true, get: function () { return sitemap_index_stream_1.IndexTagNames; } });
		Object.defineProperty(exports, "SitemapIndexStream", { enumerable: true, get: function () { return sitemap_index_stream_1.SitemapIndexStream; } });
		Object.defineProperty(exports, "SitemapAndIndexStream", { enumerable: true, get: function () { return sitemap_index_stream_1.SitemapAndIndexStream; } });
		var sitemap_stream_1 = sitemapStream;
		Object.defineProperty(exports, "streamToPromise", { enumerable: true, get: function () { return sitemap_stream_1.streamToPromise; } });
		Object.defineProperty(exports, "SitemapStream", { enumerable: true, get: function () { return sitemap_stream_1.SitemapStream; } });
		__exportStar(errors, exports);
		__exportStar(types, exports);
		var utils_1 = utils;
		Object.defineProperty(exports, "lineSeparatedURLsToSitemapOptions", { enumerable: true, get: function () { return utils_1.lineSeparatedURLsToSitemapOptions; } });
		Object.defineProperty(exports, "mergeStreams", { enumerable: true, get: function () { return utils_1.mergeStreams; } });
		Object.defineProperty(exports, "validateSMIOptions", { enumerable: true, get: function () { return utils_1.validateSMIOptions; } });
		Object.defineProperty(exports, "normalizeURL", { enumerable: true, get: function () { return utils_1.normalizeURL; } });
		Object.defineProperty(exports, "ReadlineStream", { enumerable: true, get: function () { return utils_1.ReadlineStream; } });
		var xmllint_1 = xmllint;
		Object.defineProperty(exports, "xmlLint", { enumerable: true, get: function () { return xmllint_1.xmlLint; } });
		var sitemap_parser_1 = sitemapParser;
		Object.defineProperty(exports, "parseSitemap", { enumerable: true, get: function () { return sitemap_parser_1.parseSitemap; } });
		Object.defineProperty(exports, "XMLToSitemapItemStream", { enumerable: true, get: function () { return sitemap_parser_1.XMLToSitemapItemStream; } });
		Object.defineProperty(exports, "ObjectStreamToJSON", { enumerable: true, get: function () { return sitemap_parser_1.ObjectStreamToJSON; } });
		var sitemap_index_parser_1 = sitemapIndexParser;
		Object.defineProperty(exports, "parseSitemapIndex", { enumerable: true, get: function () { return sitemap_index_parser_1.parseSitemapIndex; } });
		Object.defineProperty(exports, "XMLToSitemapIndexStream", { enumerable: true, get: function () { return sitemap_index_parser_1.XMLToSitemapIndexStream; } });
		Object.defineProperty(exports, "IndexObjectStreamToJSON", { enumerable: true, get: function () { return sitemap_index_parser_1.IndexObjectStreamToJSON; } });
		var sitemap_simple_1 = requireSitemapSimple();
		Object.defineProperty(exports, "simpleSitemapAndIndex", { enumerable: true, get: function () { return sitemap_simple_1.simpleSitemapAndIndex; } }); 
	} (dist));
	return dist;
}

var distExports = requireDist();

async function generateSitemap(siteConfig) {
  if (!siteConfig.sitemap?.hostname)
    return;
  const getLastmod = async (url) => {
    if (!siteConfig.lastUpdated)
      return void 0;
    let file = url.replace(/(^|\/)$/, "$1index");
    file = file.replace(/(\.html)?$/, ".md");
    file = siteConfig.rewrites.inv[file] || file;
    file = path$q.join(siteConfig.srcDir, file);
    return await getGitTimestamp(file) || void 0;
  };
  await task("generating sitemap", async () => {
    const locales = siteConfig.userConfig.locales || {};
    const filteredLocales = Object.keys(locales).filter(
      (locale) => locales[locale].lang && locale !== "root"
    );
    const defaultLang = locales?.root?.lang || siteConfig.userConfig.lang || "en-US";
    const pages = siteConfig.pages.map(
      (page) => siteConfig.rewrites.map[page] || page
    );
    const groupedPages = {};
    pages.forEach((page) => {
      const locale = page.split("/")[0];
      const lang = locales[locale]?.lang || defaultLang;
      let url = page.replace(/(^|\/)index\.md$/, "$1");
      url = url.replace(/\.md$/, siteConfig.cleanUrls ? "" : ".html");
      if (filteredLocales.includes(locale))
        page = page.slice(locale.length + 1);
      if (!groupedPages[page])
        groupedPages[page] = [];
      groupedPages[page].push({ url, lang });
    });
    const _items = await Promise.all(
      Object.values(groupedPages).map(async (pages2) => {
        if (pages2.length < 2)
          return { url: pages2[0].url, lastmod: await getLastmod(pages2[0].url) };
        return await Promise.all(
          pages2.map(async ({ url }) => {
            return { url, lastmod: await getLastmod(url), links: pages2 };
          })
        );
      })
    );
    let items = _items.flat();
    items = await siteConfig.sitemap?.transformItems?.(items) || items;
    const sitemapStream = new distExports.SitemapStream(siteConfig.sitemap);
    const sitemapPath = path$q.join(siteConfig.outDir, "sitemap.xml");
    const writeStream = fs$a.createWriteStream(sitemapPath);
    sitemapStream.pipe(writeStream);
    items.forEach((item) => sitemapStream.write(item));
    sitemapStream.end();
  });
}

/**
* @vue/shared v3.4.21
* (c) 2018-present Yuxi (Evan) You and Vue contributors
* @license MIT
**/
function makeMap(str, expectsLowerCase) {
  const set = new Set(str.split(","));
  return expectsLowerCase ? (val) => set.has(val.toLowerCase()) : (val) => set.has(val);
}

!!(process.env.NODE_ENV !== "production") ? Object.freeze({}) : {};
!!(process.env.NODE_ENV !== "production") ? Object.freeze([]) : [];

const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`;
const isBooleanAttr = /* @__PURE__ */ makeMap(
  specialBooleanAttrs + `,async,autofocus,autoplay,controls,default,defer,disabled,hidden,inert,loop,open,required,reversed,scoped,seamless,checked,muted,multiple,selected`
);

/*!
 * escape-html
 * Copyright(c) 2012-2013 TJ Holowaychuk
 * Copyright(c) 2015 Andreas Lubbe
 * Copyright(c) 2015 Tiancheng "Timothy" Gu
 * MIT Licensed
 */

/**
 * Module variables.
 * @private
 */

var matchHtmlRegExp = /["'&<>]/;

/**
 * Module exports.
 * @public
 */

var escapeHtml_1 = escapeHtml;

/**
 * Escape special characters in the given string of html.
 *
 * @param  {string} string The string to escape for inserting into HTML
 * @return {string}
 * @public
 */

function escapeHtml(string) {
  var str = '' + string;
  var match = matchHtmlRegExp.exec(str);

  if (!match) {
    return str;
  }

  var escape;
  var html = '';
  var index = 0;
  var lastIndex = 0;

  for (index = match.index; index < str.length; index++) {
    switch (str.charCodeAt(index)) {
      case 34: // "
        escape = '&quot;';
        break;
      case 38: // &
        escape = '&amp;';
        break;
      case 39: // '
        escape = '&#39;';
        break;
      case 60: // <
        escape = '&lt;';
        break;
      case 62: // >
        escape = '&gt;';
        break;
      default:
        continue;
    }

    if (lastIndex !== index) {
      html += str.substring(lastIndex, index);
    }

    lastIndex = index + 1;
    html += escape;
  }

  return lastIndex !== index
    ? html + str.substring(lastIndex, index)
    : html;
}

var escape$1 = /*@__PURE__*/getDefaultExportFromCjs(escapeHtml_1);

var version = "1.0.1";

async function renderPage(render, config, page, result, appChunk, cssChunk, assets, pageToHashMap, metadataScript, additionalHeadTags) {
  const routePath = `/${page.replace(/\.md$/, "")}`;
  const siteData = resolveSiteDataByRoute(config.site, routePath);
  const context = await render(routePath);
  const { content, teleports } = await config.postRender?.(context) ?? context;
  const pageName = sanitizeFileName(page.replace(/\//g, "_"));
  const pageServerJsFileName = pageName + ".js";
  const pageHash = pageToHashMap[pageName.toLowerCase()];
  const pageClientJsFileName = `${config.assetsDir}/${pageName}.${pageHash}.lean.js`;
  let pageData;
  let hasCustom404 = true;
  try {
    const { __pageData } = await import(pathToFileURL(
      path$q.join(config.tempDir, pageServerJsFileName)
    ).toString() + "?t=" + Date.now());
    pageData = __pageData;
  } catch (e) {
    if (page === "404.md") {
      hasCustom404 = false;
      pageData = notFoundPageData;
    } else {
      throw e;
    }
  }
  const title = createTitle(siteData, pageData);
  const description = pageData.description || siteData.description;
  const stylesheetLink = cssChunk ? `<link rel="preload stylesheet" href="${siteData.base}${cssChunk.fileName}" as="style">` : "";
  let preloadLinks = config.mpa || !hasCustom404 && page === "404.md" ? [] : result && appChunk ? [
    .../* @__PURE__ */ new Set([
      // resolve imports for index.js + page.md.js and inject script tags
      // for them as well so we fetch everything as early as possible
      // without having to wait for entry chunks to parse
      ...resolvePageImports(config, page, result, appChunk),
      pageClientJsFileName
    ])
  ] : [];
  let prefetchLinks = [];
  const { shouldPreload } = config;
  if (shouldPreload) {
    prefetchLinks = preloadLinks.filter((link) => !shouldPreload(link, page));
    preloadLinks = preloadLinks.filter((link) => shouldPreload(link, page));
  }
  const toHeadTags = (files, rel) => files.map((file) => [
    "link",
    {
      rel,
      // don't add base to external urls
      href: (EXTERNAL_URL_RE.test(file) ? "" : siteData.base) + file
    }
  ]);
  const preloadHeadTags = toHeadTags(preloadLinks, "modulepreload");
  const prefetchHeadTags = toHeadTags(prefetchLinks, "prefetch");
  const headBeforeTransform = [
    ...additionalHeadTags,
    ...preloadHeadTags,
    ...prefetchHeadTags,
    ...mergeHead(
      siteData.head,
      filterOutHeadDescription(pageData.frontmatter.head)
    )
  ];
  const head = mergeHead(
    headBeforeTransform,
    await config.transformHead?.({
      page,
      siteConfig: config,
      siteData,
      pageData,
      title,
      description,
      head: headBeforeTransform,
      content,
      assets
    }) || []
  );
  let inlinedScript = "";
  if (config.mpa && result) {
    const matchingChunk = result.output.find(
      (chunk) => chunk.type === "chunk" && chunk.facadeModuleId === slash(path$q.join(config.srcDir, page))
    );
    if (matchingChunk) {
      if (!matchingChunk.code.includes("import")) {
        inlinedScript = `<script type="module">${matchingChunk.code}<\/script>`;
        fs$a.removeSync(path$q.resolve(config.outDir, matchingChunk.fileName));
      } else {
        inlinedScript = `<script type="module" src="${siteData.base}${matchingChunk.fileName}"><\/script>`;
      }
    }
  }
  const dir = pageData.frontmatter.dir || siteData.dir || "ltr";
  const html = `<!DOCTYPE html>
<html lang="${siteData.lang}" dir="${dir}">
  <head>
    <meta charset="utf-8">
    ${isMetaViewportOverridden(head) ? "" : '<meta name="viewport" content="width=device-width,initial-scale=1">'}
    <title>${title}</title>
    ${isDescriptionOverridden(head) ? "" : `<meta name="description" content="${description}">`}
    <meta name="generator" content="VitePress v${version}">
    ${stylesheetLink}
    ${metadataScript.inHead ? metadataScript.html : ""}
    ${appChunk ? `<script type="module" src="${siteData.base}${appChunk.fileName}"><\/script>` : ""}
    ${await renderHead(head)}
  </head>
  <body>${teleports?.body || ""}
    <div id="app">${content}</div>
    ${metadataScript.inHead ? "" : metadataScript.html}
    ${inlinedScript}
  </body>
</html>`;
  const htmlFileName = path$q.join(config.outDir, page.replace(/\.md$/, ".html"));
  await fs$a.ensureDir(path$q.dirname(htmlFileName));
  const transformedHtml = await config.transformHtml?.(html, htmlFileName, {
    page,
    siteConfig: config,
    siteData,
    pageData,
    title,
    description,
    head,
    content,
    assets
  });
  await fs$a.writeFile(htmlFileName, transformedHtml || html);
}
function resolvePageImports(config, page, result, appChunk) {
  page = config.rewrites.inv[page] || page;
  let srcPath = path$q.resolve(config.srcDir, page);
  try {
    if (!config.vite?.resolve?.preserveSymlinks) {
      srcPath = fs$a.realpathSync(srcPath);
    }
  } catch (e) {
  }
  srcPath = normalizePath(srcPath);
  const pageChunk = result.output.find(
    (chunk) => chunk.type === "chunk" && chunk.facadeModuleId === srcPath
  );
  return [
    ...appChunk.imports,
    ...appChunk.dynamicImports,
    ...pageChunk.imports,
    ...pageChunk.dynamicImports
  ];
}
async function renderHead(head) {
  const tags = await Promise.all(
    head.map(async ([tag, attrs = {}, innerHTML = ""]) => {
      const openTag = `<${tag}${renderAttrs(attrs)}>`;
      if (tag !== "link" && tag !== "meta") {
        if (tag === "script" && (attrs.type === void 0 || attrs.type.includes("javascript"))) {
          innerHTML = (await transformWithEsbuild(innerHTML, "inline-script.js", {
            minify: true
          })).code.trim();
        }
        return `${openTag}${innerHTML}</${tag}>`;
      } else {
        return openTag;
      }
    })
  );
  return tags.join("\n    ");
}
function renderAttrs(attrs) {
  return Object.keys(attrs).map((key) => {
    if (isBooleanAttr(key))
      return ` ${key}`;
    return ` ${key}="${escape$1(attrs[key])}"`;
  }).join("");
}
function filterOutHeadDescription(head = []) {
  return head.filter(([type, attrs]) => {
    return !(type === "meta" && attrs?.name === "description");
  });
}
function isDescriptionOverridden(head = []) {
  return head.some(([type, attrs]) => {
    return type === "meta" && attrs?.name === "description";
  });
}
function isMetaViewportOverridden(head = []) {
  return head.some(([type, attrs]) => {
    return type === "meta" && attrs?.name === "viewport";
  });
}

async function build(root, buildOptions = {}) {
  const start = Date.now();
  process.env.NODE_ENV = "production";
  const siteConfig = await resolveConfig(root, "build", "production");
  const unlinkVue = linkVue();
  if (buildOptions.base) {
    siteConfig.site.base = buildOptions.base;
    delete buildOptions.base;
  }
  if (buildOptions.mpa) {
    siteConfig.mpa = true;
    delete buildOptions.mpa;
  }
  if (buildOptions.outDir) {
    siteConfig.outDir = path$q.resolve(process.cwd(), buildOptions.outDir);
    delete buildOptions.outDir;
  }
  try {
    const { clientResult, serverResult, pageToHashMap } = await bundle(
      siteConfig,
      buildOptions
    );
    if (process.env.BUNDLE_ONLY) {
      return;
    }
    const entryPath = path$q.join(siteConfig.tempDir, "app.js");
    const { render } = await import(pathToFileURL(entryPath).toString() + "?t=" + Date.now());
    await task("rendering pages", async () => {
      const appChunk = clientResult && clientResult.output.find(
        (chunk) => chunk.type === "chunk" && chunk.isEntry && chunk.facadeModuleId?.endsWith(".js")
      );
      const cssChunk = (siteConfig.mpa ? serverResult : clientResult).output.find(
        (chunk) => chunk.type === "asset" && chunk.fileName.endsWith(".css")
      );
      const assets = (siteConfig.mpa ? serverResult : clientResult).output.filter(
        (chunk) => chunk.type === "asset" && !chunk.fileName.endsWith(".css")
      ).map((asset) => siteConfig.site.base + asset.fileName);
      const additionalHeadTags = [];
      const isDefaultTheme = clientResult && clientResult.output.some(
        (chunk) => chunk.type === "chunk" && chunk.name === "theme" && chunk.moduleIds.some((id) => id.includes("client/theme-default"))
      );
      const metadataScript = generateMetadataScript(pageToHashMap, siteConfig);
      if (isDefaultTheme) {
        const fontURL = assets.find(
          (file) => /inter-roman-latin\.\w+\.woff2/.test(file)
        );
        if (fontURL) {
          additionalHeadTags.push([
            "link",
            {
              rel: "preload",
              href: fontURL,
              as: "font",
              type: "font/woff2",
              crossorigin: ""
            }
          ]);
        }
      }
      await pMap(
        ["404.md", ...siteConfig.pages],
        async (page) => {
          await renderPage(
            render,
            siteConfig,
            siteConfig.rewrites.map[page] || page,
            clientResult,
            appChunk,
            cssChunk,
            assets,
            pageToHashMap,
            metadataScript,
            additionalHeadTags
          );
        },
        { concurrency: siteConfig.buildConcurrency }
      );
    });
    fs$a.writeJSONSync(
      path$q.join(siteConfig.outDir, "hashmap.json"),
      pageToHashMap
    );
  } finally {
    unlinkVue();
    if (!process.env.DEBUG)
      await rimraf(siteConfig.tempDir);
  }
  await generateSitemap(siteConfig);
  await siteConfig.buildEnd?.(siteConfig);
  clearCache();
  siteConfig.logger.info(
    `build complete in ${((Date.now() - start) / 1e3).toFixed(2)}s.`
  );
}
function linkVue() {
  const root = packageDirectorySync();
  if (root) {
    const dest = path$q.resolve(root, "node_modules/vue");
    if (!fs$a.existsSync(dest)) {
      const src = path$q.dirname(createRequire(import.meta.url).resolve("vue"));
      fs$a.ensureSymlinkSync(src, dest, "junction");
      return () => {
        fs$a.unlinkSync(dest);
      };
    }
  }
  return () => {
  };
}
function generateMetadataScript(pageToHashMap, config) {
  if (config.mpa) {
    return { html: "", inHead: false };
  }
  const hashMapString = JSON.stringify(JSON.stringify(pageToHashMap));
  const siteDataString = JSON.stringify(
    JSON.stringify(serializeFunctions({ ...config.site, head: [] }))
  );
  const metadataContent = `window.__VP_HASH_MAP__=JSON.parse(${hashMapString});${siteDataString.includes("_vp-fn_") ? `${deserializeFunctions};window.__VP_SITE_DATA__=deserializeFunctions(JSON.parse(${siteDataString}));` : `window.__VP_SITE_DATA__=JSON.parse(${siteDataString});`}`;
  if (!config.metaChunk) {
    return { html: `<script>${metadataContent}<\/script>`, inHead: false };
  }
  const metadataFile = path$q.join(
    config.assetsDir,
    "chunks",
    `metadata.${createHash("sha256").update(metadataContent).digest("hex").slice(0, 8)}.js`
  );
  const resolvedMetadataFile = path$q.join(config.outDir, metadataFile);
  const metadataFileURL = slash(`${config.site.base}${metadataFile}`);
  fs$a.ensureDirSync(path$q.dirname(resolvedMetadataFile));
  fs$a.writeFileSync(resolvedMetadataFile, metadataContent);
  return {
    html: `<script type="module" src="${metadataFileURL}"><\/script>`,
    inHead: true
  };
}

const ESC = '\x1B';
const CSI = `${ESC}[`;
const beep = '\u0007';

const cursor = {
  to(x, y) {
    if (!y) return `${CSI}${x + 1}G`;
    return `${CSI}${y + 1};${x + 1}H`;
  },
  move(x, y) {
    let ret = '';

    if (x < 0) ret += `${CSI}${-x}D`;
    else if (x > 0) ret += `${CSI}${x}C`;

    if (y < 0) ret += `${CSI}${-y}A`;
    else if (y > 0) ret += `${CSI}${y}B`;

    return ret;
  },
  up: (count = 1) => `${CSI}${count}A`,
  down: (count = 1) => `${CSI}${count}B`,
  forward: (count = 1) => `${CSI}${count}C`,
  backward: (count = 1) => `${CSI}${count}D`,
  nextLine: (count = 1) => `${CSI}E`.repeat(count),
  prevLine: (count = 1) => `${CSI}F`.repeat(count),
  left: `${CSI}G`,
  hide: `${CSI}?25l`,
  show: `${CSI}?25h`,
  save: `${ESC}7`,
  restore: `${ESC}8`
};

const scroll = {
  up: (count = 1) => `${CSI}S`.repeat(count),
  down: (count = 1) => `${CSI}T`.repeat(count)
};

const erase = {
  screen: `${CSI}2J`,
  up: (count = 1) => `${CSI}1J`.repeat(count),
  down: (count = 1) => `${CSI}J`.repeat(count),
  line: `${CSI}2K`,
  lineEnd: `${CSI}K`,
  lineStart: `${CSI}1K`,
  lines(count) {
    let clear = '';
    for (let i = 0; i < count; i++)
      clear += this.line + (i < count - 1 ? cursor.up() : '');
    if (count)
      clear += cursor.left;
    return clear;
  }
};

var src = { cursor, scroll, erase, beep };

function q$1({onlyFirst:t=!1}={}){const u=["[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)","(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))"].join("|");return new RegExp(u,t?void 0:"g")}function S$1(t){if(typeof t!="string")throw new TypeError(`Expected a \`string\`, got \`${typeof t}\``);return t.replace(q$1(),"")}function j(t){return t&&t.__esModule&&Object.prototype.hasOwnProperty.call(t,"default")?t.default:t}var M={exports:{}};(function(t){var u={};t.exports=u,u.eastAsianWidth=function(e){var s=e.charCodeAt(0),C=e.length==2?e.charCodeAt(1):0,D=s;return 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DD=j(X);function A(t,u={}){if(typeof t!="string"||t.length===0||(u={ambiguousIsNarrow:!0,...u},t=S$1(t),t.length===0))return 0;t=t.replace(DD(),"  ");const F=u.ambiguousIsNarrow?1:2;let e=0;for(const s of t){const C=s.codePointAt(0);if(C<=31||C>=127&&C<=159||C>=768&&C<=879)continue;switch(Q.eastAsianWidth(s)){case"F":case"W":e+=2;break;case"A":e+=F;break;default:e+=1;}}return e}const m=10,T=(t=0)=>u=>`\x1B[${u+t}m`,P=(t=0)=>u=>`\x1B[${38+t};5;${u}m`,W=(t=0)=>(u,F,e)=>`\x1B[${38+t};2;${u};${F};${e}m`,r={modifier:{reset:[0,0],bold:[1,22],dim:[2,22],italic:[3,23],underline:[4,24],overline:[53,55],inverse:[7,27],hidden:[8,28],strikethrough:[9,29]},color:{black:[30,39],red:[31,39],green:[32,39],yellow:[33,39],blue:[34,39],magenta:[35,39],cyan:[36,39],white:[37,39],blackBright:[90,39],gray:[90,39],grey:[90,39],redBright:[91,39],greenBright:[92,39],yellowBright:[93,39],blueBright:[94,39],magentaBright:[95,39],cyanBright:[96,39],whiteBright:[97,39]},bgColor:{bgBlack:[40,49],bgRed:[41,49],bgGreen:[42,49],bgYellow:[43,49],bgBlue:[44,49],bgMagenta:[45,49],bgCyan:[46,49],bgWhite:[47,49],bgBlackBright:[100,49],bgGray:[100,49],bgGrey:[100,49],bgRedBright:[101,49],bgGreenBright:[102,49],bgYellowBright:[103,49],bgBlueBright:[104,49],bgMagentaBright:[105,49],bgCyanBright:[106,49],bgWhiteBright:[107,49]}};Object.keys(r.modifier);const uD=Object.keys(r.color),FD=Object.keys(r.bgColor);[...uD,...FD];function tD(){const t=new Map;for(const[u,F]of Object.entries(r)){for(const[e,s]of Object.entries(F))r[e]={open:`\x1B[${s[0]}m`,close:`\x1B[${s[1]}m`},F[e]=r[e],t.set(s[0],s[1]);Object.defineProperty(r,u,{value:F,enumerable:!1});}return Object.defineProperty(r,"codes",{value:t,enumerable:!1}),r.color.close="\x1B[39m",r.bgColor.close="\x1B[49m",r.color.ansi=T(),r.color.ansi256=P(),r.color.ansi16m=W(),r.bgColor.ansi=T(m),r.bgColor.ansi256=P(m),r.bgColor.ansi16m=W(m),Object.defineProperties(r,{rgbToAnsi256:{value:(u,F,e)=>u===F&&F===e?u<8?16:u>248?231:Math.round((u-8)/247*24)+232:16+36*Math.round(u/255*5)+6*Math.round(F/255*5)+Math.round(e/255*5),enumerable:!1},hexToRgb:{value:u=>{const F=/[a-f\d]{6}|[a-f\d]{3}/i.exec(u.toString(16));if(!F)return [0,0,0];let[e]=F;e.length===3&&(e=[...e].map(C=>C+C).join(""));const s=Number.parseInt(e,16);return [s>>16&255,s>>8&255,s&255]},enumerable:!1},hexToAnsi256:{value:u=>r.rgbToAnsi256(...r.hexToRgb(u)),enumerable:!1},ansi256ToAnsi:{value:u=>{if(u<8)return 30+u;if(u<16)return 90+(u-8);let F,e,s;if(u>=232)F=((u-232)*10+8)/255,e=F,s=F;else {u-=16;const i=u%36;F=Math.floor(u/36)/5,e=Math.floor(i/6)/5,s=i%6/5;}const C=Math.max(F,e,s)*2;if(C===0)return 30;let D=30+(Math.round(s)<<2|Math.round(e)<<1|Math.round(F));return C===2&&(D+=60),D},enumerable:!1},rgbToAnsi:{value:(u,F,e)=>r.ansi256ToAnsi(r.rgbToAnsi256(u,F,e)),enumerable:!1},hexToAnsi:{value:u=>r.ansi256ToAnsi(r.hexToAnsi256(u)),enumerable:!1}}),r}const eD=tD(),g=new Set(["\x1B","\x9B"]),sD=39,b$1="\x07",O="[",CD="]",I$1="m",w=`${CD}8;;`,N=t=>`${g.values().next().value}${O}${t}${I$1}`,L=t=>`${g.values().next().value}${w}${t}${b$1}`,iD=t=>t.split(" ").map(u=>A(u)),y$1=(t,u,F)=>{const e=[...u];let s=!1,C=!1,D=A(S$1(t[t.length-1]));for(const[i,n]of e.entries()){const E=A(n);if(D+E<=F?t[t.length-1]+=n:(t.push(n),D=0),g.has(n)&&(s=!0,C=e.slice(i+1).join("").startsWith(w)),s){C?n===b$1&&(s=!1,C=!1):n===I$1&&(s=!1);continue}D+=E,D===F&&i<e.length-1&&(t.push(""),D=0);}!D&&t[t.length-1].length>0&&t.length>1&&(t[t.length-2]+=t.pop());},rD=t=>{const u=t.split(" ");let F=u.length;for(;F>0&&!(A(u[F-1])>0);)F--;return F===u.length?t:u.slice(0,F).join(" ")+u.slice(F).join("")},ED=(t,u,F={})=>{if(F.trim!==!1&&t.trim()==="")return "";let e="",s,C;const D=iD(t);let i=[""];for(const[E,h]of t.split(" ").entries()){F.trim!==!1&&(i[i.length-1]=i[i.length-1].trimStart());let o=A(i[i.length-1]);if(E!==0&&(o>=u&&(F.wordWrap===!1||F.trim===!1)&&(i.push(""),o=0),(o>0||F.trim===!1)&&(i[i.length-1]+=" ",o++)),F.hard&&D[E]>u){const B=u-o,p=1+Math.floor((D[E]-B-1)/u);Math.floor((D[E]-1)/u)<p&&i.push(""),y$1(i,h,u);continue}if(o+D[E]>u&&o>0&&D[E]>0){if(F.wordWrap===!1&&o<u){y$1(i,h,u);continue}i.push("");}if(o+D[E]>u&&F.wordWrap===!1){y$1(i,h,u);continue}i[i.length-1]+=h;}F.trim!==!1&&(i=i.map(E=>rD(E)));const n=[...i.join(`
`)];for(const[E,h]of n.entries()){if(e+=h,g.has(h)){const{groups:B}=new RegExp(`(?:\\${O}(?<code>\\d+)m|\\${w}(?<uri>.*)${b$1})`).exec(n.slice(E).join(""))||{groups:{}};if(B.code!==void 0){const p=Number.parseFloat(B.code);s=p===sD?void 0:p;}else B.uri!==void 0&&(C=B.uri.length===0?void 0:B.uri);}const o=eD.codes.get(Number(s));n[E+1]===`
`?(C&&(e+=L("")),s&&o&&(e+=N(o))):h===`
`&&(s&&o&&(e+=N(s)),C&&(e+=L(C)));}return e};function R(t,u,F){return String(t).normalize().replace(/\r\n/g,`
`).split(`
`).map(e=>ED(e,u,F)).join(`
`)}var oD=Object.defineProperty,nD=(t,u,F)=>u in t?oD(t,u,{enumerable:!0,configurable:!0,writable:!0,value:F}):t[u]=F,a$1=(t,u,F)=>(nD(t,typeof u!="symbol"?u+"":u,F),F);function aD(t,u){if(t===u)return;const F=t.split(`
`),e=u.split(`
`),s=[];for(let C=0;C<Math.max(F.length,e.length);C++)F[C]!==e[C]&&s.push(C);return s}const V=Symbol("clack:cancel");function hD(t){return t===V}function v(t,u){t.isTTY&&t.setRawMode(u);}const z=new Map([["k","up"],["j","down"],["h","left"],["l","right"]]),lD=new Set(["up","down","left","right","space","enter"]);let x$1 = class x{constructor({render:u,input:F=stdin,output:e=stdout,...s},C=!0){a$1(this,"input"),a$1(this,"output"),a$1(this,"rl"),a$1(this,"opts"),a$1(this,"_track",!1),a$1(this,"_render"),a$1(this,"_cursor",0),a$1(this,"state","initial"),a$1(this,"value"),a$1(this,"error",""),a$1(this,"subscribers",new Map),a$1(this,"_prevFrame",""),this.opts=s,this.onKeypress=this.onKeypress.bind(this),this.close=this.close.bind(this),this.render=this.render.bind(this),this._render=u.bind(this),this._track=C,this.input=F,this.output=e;}prompt(){const u=new WriteStream(0);return u._write=(F,e,s)=>{this._track&&(this.value=this.rl.line.replace(/\t/g,""),this._cursor=this.rl.cursor,this.emit("value",this.value)),s();},this.input.pipe(u),this.rl=f$1.createInterface({input:this.input,output:u,tabSize:2,prompt:"",escapeCodeTimeout:50}),f$1.emitKeypressEvents(this.input,this.rl),this.rl.prompt(),this.opts.initialValue!==void 0&&this._track&&this.rl.write(this.opts.initialValue),this.input.on("keypress",this.onKeypress),v(this.input,!0),this.output.on("resize",this.render),this.render(),new Promise((F,e)=>{this.once("submit",()=>{this.output.write(src.cursor.show),this.output.off("resize",this.render),v(this.input,!1),F(this.value);}),this.once("cancel",()=>{this.output.write(src.cursor.show),this.output.off("resize",this.render),v(this.input,!1),F(V);});})}on(u,F){const e=this.subscribers.get(u)??[];e.push({cb:F}),this.subscribers.set(u,e);}once(u,F){const e=this.subscribers.get(u)??[];e.push({cb:F,once:!0}),this.subscribers.set(u,e);}emit(u,...F){const e=this.subscribers.get(u)??[],s=[];for(const C of e)C.cb(...F),C.once&&s.push(()=>e.splice(e.indexOf(C),1));for(const C of s)C();}unsubscribe(){this.subscribers.clear();}onKeypress(u,F){if(this.state==="error"&&(this.state="active"),F?.name&&!this._track&&z.has(F.name)&&this.emit("cursor",z.get(F.name)),F?.name&&lD.has(F.name)&&this.emit("cursor",F.name),u&&(u.toLowerCase()==="y"||u.toLowerCase()==="n")&&this.emit("confirm",u.toLowerCase()==="y"),u==="	"&&this.opts.placeholder&&(this.value||(this.rl.write(this.opts.placeholder),this.emit("value",this.opts.placeholder))),u&&this.emit("key",u.toLowerCase()),F?.name==="return"){if(this.opts.validate){const e=this.opts.validate(this.value);e&&(this.error=e,this.state="error",this.rl.write(this.value));}this.state!=="error"&&(this.state="submit");}u===""&&(this.state="cancel"),(this.state==="submit"||this.state==="cancel")&&this.emit("finalize"),this.render(),(this.state==="submit"||this.state==="cancel")&&this.close();}close(){this.input.unpipe(),this.input.removeListener("keypress",this.onKeypress),this.output.write(`
`),v(this.input,!1),this.rl.close(),this.emit(`${this.state}`,this.value),this.unsubscribe();}restoreCursor(){const u=R(this._prevFrame,process.stdout.columns,{hard:!0}).split(`
`).length-1;this.output.write(src.cursor.move(-999,u*-1));}render(){const u=R(this._render(this)??"",process.stdout.columns,{hard:!0});if(u!==this._prevFrame){if(this.state==="initial")this.output.write(src.cursor.hide);else {const F=aD(this._prevFrame,u);if(this.restoreCursor(),F&&F?.length===1){const e=F[0];this.output.write(src.cursor.move(0,e)),this.output.write(src.erase.lines(1));const s=u.split(`
`);this.output.write(s[e]),this._prevFrame=u,this.output.write(src.cursor.move(0,s.length-e-1));return}else if(F&&F?.length>1){const e=F[0];this.output.write(src.cursor.move(0,e)),this.output.write(src.erase.down());const s=u.split(`
`).slice(e);this.output.write(s.join(`
`)),this._prevFrame=u;return}this.output.write(src.erase.down());}this.output.write(u),this.state==="initial"&&(this.state="active"),this._prevFrame=u;}}};class xD extends x$1{get cursor(){return this.value?0:1}get _value(){return this.cursor===0}constructor(u){super(u,!1),this.value=!!u.initialValue,this.on("value",()=>{this.value=this._value;}),this.on("confirm",F=>{this.output.write(src.cursor.move(0,-1)),this.value=F,this.state="submit",this.close();}),this.on("cursor",()=>{this.value=!this.value;});}}var bD=Object.defineProperty,wD=(t,u,F)=>u in t?bD(t,u,{enumerable:!0,configurable:!0,writable:!0,value:F}):t[u]=F,Z=(t,u,F)=>(wD(t,typeof u!="symbol"?u+"":u,F),F);let yD=class extends x$1{constructor(u){super(u,!1),Z(this,"options"),Z(this,"cursor",0),this.options=u.options,this.cursor=this.options.findIndex(({value:F})=>F===u.initialValue),this.cursor===-1&&(this.cursor=0),this.changeValue(),this.on("cursor",F=>{switch(F){case"left":case"up":this.cursor=this.cursor===0?this.options.length-1:this.cursor-1;break;case"down":case"right":this.cursor=this.cursor===this.options.length-1?0:this.cursor+1;break}this.changeValue();});}get _value(){return this.options[this.cursor]}changeValue(){this.value=this._value.value;}};var SD=Object.defineProperty,jD=(t,u,F)=>u in t?SD(t,u,{enumerable:!0,configurable:!0,writable:!0,value:F}):t[u]=F,MD=(t,u,F)=>(jD(t,typeof u!="symbol"?u+"":u,F),F);class TD extends x$1{constructor(u){super(u),MD(this,"valueWithCursor",""),this.on("finalize",()=>{this.value||(this.value=u.defaultValue),this.valueWithCursor=this.value;}),this.on("value",()=>{if(this.cursor>=this.value.length)this.valueWithCursor=`${this.value}${c$1.inverse(c$1.hidden("_"))}`;else {const F=this.value.slice(0,this.cursor),e=this.value.slice(this.cursor);this.valueWithCursor=`${F}${c$1.inverse(e[0])}${e.slice(1)}`;}});}get cursor(){return this._cursor}}globalThis.process.platform.startsWith("win");

function q(){return process$2.platform!=="win32"?process$2.env.TERM!=="linux":Boolean(process$2.env.CI)||Boolean(process$2.env.WT_SESSION)||Boolean(process$2.env.TERMINUS_SUBLIME)||process$2.env.ConEmuTask==="{cmd::Cmder}"||process$2.env.TERM_PROGRAM==="Terminus-Sublime"||process$2.env.TERM_PROGRAM==="vscode"||process$2.env.TERM==="xterm-256color"||process$2.env.TERM==="alacritty"||process$2.env.TERMINAL_EMULATOR==="JetBrains-JediTerm"}const _=q(),o=(r,n)=>_?r:n,H=o("\u25C6","*"),I=o("\u25A0","x"),x=o("\u25B2","x"),S=o("\u25C7","o"),K=o("\u250C","T"),a=o("\u2502","|"),d=o("\u2514","\u2014"),b=o("\u25CF",">"),E=o("\u25CB"," "),y=r=>{switch(r){case"initial":case"active":return c$1.cyan(H);case"cancel":return c$1.red(I);case"error":return c$1.yellow(x);case"submit":return c$1.green(S)}},te=r=>new TD({validate:r.validate,placeholder:r.placeholder,defaultValue:r.defaultValue,initialValue:r.initialValue,render(){const n=`${c$1.gray(a)}
${y(this.state)}  ${r.message}
`,i=r.placeholder?c$1.inverse(r.placeholder[0])+c$1.dim(r.placeholder.slice(1)):c$1.inverse(c$1.hidden("_")),t=this.value?this.valueWithCursor:i;switch(this.state){case"error":return `${n.trim()}
${c$1.yellow(a)}  ${t}
${c$1.yellow(d)}  ${c$1.yellow(this.error)}
`;case"submit":return `${n}${c$1.gray(a)}  ${c$1.dim(this.value||r.placeholder)}`;case"cancel":return `${n}${c$1.gray(a)}  ${c$1.strikethrough(c$1.dim(this.value??""))}${this.value?.trim()?`
`+c$1.gray(a):""}`;default:return `${n}${c$1.cyan(a)}  ${t}
${c$1.cyan(d)}
`}}}).prompt(),se=r=>{const n=r.active??"Yes",i=r.inactive??"No";return new xD({active:n,inactive:i,initialValue:r.initialValue??!0,render(){const t=`${c$1.gray(a)}
${y(this.state)}  ${r.message}
`,s=this.value?n:i;switch(this.state){case"submit":return `${t}${c$1.gray(a)}  ${c$1.dim(s)}`;case"cancel":return `${t}${c$1.gray(a)}  ${c$1.strikethrough(c$1.dim(s))}
${c$1.gray(a)}`;default:return `${t}${c$1.cyan(a)}  ${this.value?`${c$1.green(b)} ${n}`:`${c$1.dim(E)} ${c$1.dim(n)}`} ${c$1.dim("/")} ${this.value?`${c$1.dim(E)} ${c$1.dim(i)}`:`${c$1.green(b)} ${i}`}
${c$1.cyan(d)}
`}}}).prompt()},ie=r=>{const n=(t,s)=>{const c=t.label??String(t.value);return s==="active"?`${c$1.green(b)} ${c} ${t.hint?c$1.dim(`(${t.hint})`):""}`:s==="selected"?`${c$1.dim(c)}`:s==="cancelled"?`${c$1.strikethrough(c$1.dim(c))}`:`${c$1.dim(E)} ${c$1.dim(c)}`};let i=0;return new yD({options:r.options,initialValue:r.initialValue,render(){const t=`${c$1.gray(a)}
${y(this.state)}  ${r.message}
`;switch(this.state){case"submit":return `${t}${c$1.gray(a)}  ${n(this.options[this.cursor],"selected")}`;case"cancel":return `${t}${c$1.gray(a)}  ${n(this.options[this.cursor],"cancelled")}
${c$1.gray(a)}`;default:{const s=r.maxItems===void 0?1/0:Math.max(r.maxItems,5);this.cursor>=i+s-3?i=Math.max(Math.min(this.cursor-s+3,this.options.length-s),0):this.cursor<i+2&&(i=Math.max(this.cursor-2,0));const c=s<this.options.length&&i>0,l=s<this.options.length&&i+s<this.options.length;return `${t}${c$1.cyan(a)}  ${this.options.slice(i,i+s).map((u,m,$)=>m===0&&c?c$1.dim("..."):m===$.length-1&&l?c$1.dim("..."):n(u,m+i===this.cursor?"active":"inactive")).join(`
${c$1.cyan(a)}  `)}
${c$1.cyan(d)}
`}}}}).prompt()},ue=(r="")=>{process.stdout.write(`${c$1.gray(d)}  ${c$1.red(r)}

`);},oe=(r="")=>{process.stdout.write(`${c$1.gray(K)}  ${r}
`);},$e=(r="")=>{process.stdout.write(`${c$1.gray(a)}
${c$1.gray(d)}  ${r}

`);};const he=async(r,n)=>{const i={},t=Object.keys(r);for(const s of t){const c=r[s],l=await c({results:i})?.catch(u=>{throw u});if(typeof n?.onCancel=="function"&&hD(l)){i[s]="canceled",n.onCancel({results:i});continue}i[s]=l;}return i};

var lodash_template = {exports: {}};

/**
 * lodash 3.0.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** Used to match template delimiters. */
var reInterpolate$1 = /<%=([\s\S]+?)%>/g;

var lodash__reinterpolate = reInterpolate$1;

/**
 * Lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */

var reInterpolate = lodash__reinterpolate;

/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    symbolTag = '[object Symbol]',
    undefinedTag = '[object Undefined]';

/** Used to match HTML entities and HTML characters. */
var reUnescapedHtml = /[&<>"']/g,
    reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

/** Used to match template delimiters. */
var reEscape = /<%-([\s\S]+?)%>/g,
    reEvaluate = /<%([\s\S]+?)%>/g;

/** Used to map characters to HTML entities. */
var htmlEscapes = {
  '&': '&amp;',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;'
};

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

/**
 * A specialized version of `_.map` for arrays without support for iteratee
 * shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function arrayMap(array, iteratee) {
  var index = -1,
      length = array == null ? 0 : array.length,
      result = Array(length);

  while (++index < length) {
    result[index] = iteratee(array[index], index, array);
  }
  return result;
}

/**
 * The base implementation of `_.propertyOf` without support for deep paths.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Function} Returns the new accessor function.
 */
function basePropertyOf(object) {
  return function(key) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Used by `_.escape` to convert characters to HTML entities.
 *
 * @private
 * @param {string} chr The matched character to escape.
 * @returns {string} Returns the escaped character.
 */
var escapeHtmlChar = basePropertyOf(htmlEscapes);

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Built-in value references. */
var Symbol$1 = root.Symbol,
    symToStringTag = Symbol$1 ? Symbol$1.toStringTag : undefined;

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol$1 ? Symbol$1.prototype : undefined,
    symbolToString = symbolProto ? symbolProto.toString : undefined;

/**
 * By default, the template delimiters used by lodash are like those in
 * embedded Ruby (ERB) as well as ES2015 template strings. Change the
 * following template settings to use alternative delimiters.
 *
 * @static
 * @memberOf _
 * @type {Object}
 */
var templateSettings = {

  /**
   * Used to detect `data` property values to be HTML-escaped.
   *
   * @memberOf _.templateSettings
   * @type {RegExp}
   */
  'escape': reEscape,

  /**
   * Used to detect code to be evaluated.
   *
   * @memberOf _.templateSettings
   * @type {RegExp}
   */
  'evaluate': reEvaluate,

  /**
   * Used to detect `data` property values to inject.
   *
   * @memberOf _.templateSettings
   * @type {RegExp}
   */
  'interpolate': reInterpolate,

  /**
   * Used to reference the data object in the template text.
   *
   * @memberOf _.templateSettings
   * @type {string}
   */
  'variable': '',

  /**
   * Used to import variables into the compiled template.
   *
   * @memberOf _.templateSettings
   * @type {Object}
   */
  'imports': {

    /**
     * A reference to the `lodash` function.
     *
     * @memberOf _.templateSettings.imports
     * @type {Function}
     */
    '_': { 'escape': escape }
  }
};

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

/**
 * The base implementation of `_.toString` which doesn't convert nullish
 * values to empty strings.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  // Exit early for strings to avoid a performance hit in some environments.
  if (typeof value == 'string') {
    return value;
  }
  if (isArray(value)) {
    // Recursively convert values (susceptible to call stack limits).
    return arrayMap(value, baseToString) + '';
  }
  if (isSymbol(value)) {
    return symbolToString ? symbolToString.call(value) : '';
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString.call(value);
}

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && baseGetTag(value) == symbolTag);
}

/**
 * Converts `value` to a string. An empty string is returned for `null`
 * and `undefined` values. The sign of `-0` is preserved.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 * @example
 *
 * _.toString(null);
 * // => ''
 *
 * _.toString(-0);
 * // => '-0'
 *
 * _.toString([1, 2, 3]);
 * // => '1,2,3'
 */
function toString(value) {
  return value == null ? '' : baseToString(value);
}

/**
 * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
 * corresponding HTML entities.
 *
 * **Note:** No other characters are escaped. To escape additional
 * characters use a third-party library like [_he_](https://mths.be/he).
 *
 * Though the ">" character is escaped for symmetry, characters like
 * ">" and "/" don't need escaping in HTML and have no special meaning
 * unless they're part of a tag or unquoted attribute value. See
 * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
 * (under "semi-related fun fact") for more details.
 *
 * When working with HTML you should always
 * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
 * XSS vectors.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category String
 * @param {string} [string=''] The string to escape.
 * @returns {string} Returns the escaped string.
 * @example
 *
 * _.escape('fred, barney, & pebbles');
 * // => 'fred, barney, &amp; pebbles'
 */
function escape(string) {
  string = toString(string);
  return (string && reHasUnescapedHtml.test(string))
    ? string.replace(reUnescapedHtml, escapeHtmlChar)
    : string;
}

var lodash_templatesettings = templateSettings;

/**
 * Lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */
lodash_template.exports;

(function (module, exports) {
	var reInterpolate = lodash__reinterpolate,
	    templateSettings = lodash_templatesettings;

	/** Used to detect hot functions by number of calls within a span of milliseconds. */
	var HOT_COUNT = 800,
	    HOT_SPAN = 16;

	/** Used as references for various `Number` constants. */
	var INFINITY = 1 / 0,
	    MAX_SAFE_INTEGER = 9007199254740991;

	/** `Object#toString` result references. */
	var argsTag = '[object Arguments]',
	    arrayTag = '[object Array]',
	    asyncTag = '[object AsyncFunction]',
	    boolTag = '[object Boolean]',
	    dateTag = '[object Date]',
	    domExcTag = '[object DOMException]',
	    errorTag = '[object Error]',
	    funcTag = '[object Function]',
	    genTag = '[object GeneratorFunction]',
	    mapTag = '[object Map]',
	    numberTag = '[object Number]',
	    nullTag = '[object Null]',
	    objectTag = '[object Object]',
	    proxyTag = '[object Proxy]',
	    regexpTag = '[object RegExp]',
	    setTag = '[object Set]',
	    stringTag = '[object String]',
	    symbolTag = '[object Symbol]',
	    undefinedTag = '[object Undefined]',
	    weakMapTag = '[object WeakMap]';

	var arrayBufferTag = '[object ArrayBuffer]',
	    dataViewTag = '[object DataView]',
	    float32Tag = '[object Float32Array]',
	    float64Tag = '[object Float64Array]',
	    int8Tag = '[object Int8Array]',
	    int16Tag = '[object Int16Array]',
	    int32Tag = '[object Int32Array]',
	    uint8Tag = '[object Uint8Array]',
	    uint8ClampedTag = '[object Uint8ClampedArray]',
	    uint16Tag = '[object Uint16Array]',
	    uint32Tag = '[object Uint32Array]';

	/** Used to match empty string literals in compiled template source. */
	var reEmptyStringLeading = /\b__p \+= '';/g,
	    reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
	    reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

	/**
	 * Used to match `RegExp`
	 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
	 */
	var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

	/**
	 * Used to match
	 * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
	 */
	var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

	/** Used to detect host constructors (Safari). */
	var reIsHostCtor = /^\[object .+?Constructor\]$/;

	/** Used to detect unsigned integer values. */
	var reIsUint = /^(?:0|[1-9]\d*)$/;

	/** Used to ensure capturing order of template delimiters. */
	var reNoMatch = /($^)/;

	/** Used to match unescaped characters in compiled string literals. */
	var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

	/** Used to identify `toStringTag` values of typed arrays. */
	var typedArrayTags = {};
	typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
	typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
	typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
	typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
	typedArrayTags[uint32Tag] = true;
	typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
	typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
	typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
	typedArrayTags[errorTag] = typedArrayTags[funcTag] =
	typedArrayTags[mapTag] = typedArrayTags[numberTag] =
	typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
	typedArrayTags[setTag] = typedArrayTags[stringTag] =
	typedArrayTags[weakMapTag] = false;

	/** Used to escape characters for inclusion in compiled string literals. */
	var stringEscapes = {
	  '\\': '\\',
	  "'": "'",
	  '\n': 'n',
	  '\r': 'r',
	  '\u2028': 'u2028',
	  '\u2029': 'u2029'
	};

	/** Detect free variable `global` from Node.js. */
	var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

	/** Detect free variable `self`. */
	var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

	/** Used as a reference to the global object. */
	var root = freeGlobal || freeSelf || Function('return this')();

	/** Detect free variable `exports`. */
	var freeExports = exports && !exports.nodeType && exports;

	/** Detect free variable `module`. */
	var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

	/** Detect the popular CommonJS extension `module.exports`. */
	var moduleExports = freeModule && freeModule.exports === freeExports;

	/** Detect free variable `process` from Node.js. */
	var freeProcess = moduleExports && freeGlobal.process;

	/** Used to access faster Node.js helpers. */
	var nodeUtil = (function() {
	  try {
	    // Use `util.types` for Node.js 10+.
	    var types = freeModule && freeModule.require && freeModule.require('util').types;

	    if (types) {
	      return types;
	    }

	    // Legacy `process.binding('util')` for Node.js < 10.
	    return freeProcess && freeProcess.binding && freeProcess.binding('util');
	  } catch (e) {}
	}());

	/* Node.js helper references. */
	var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

	/**
	 * A faster alternative to `Function#apply`, this function invokes `func`
	 * with the `this` binding of `thisArg` and the arguments of `args`.
	 *
	 * @private
	 * @param {Function} func The function to invoke.
	 * @param {*} thisArg The `this` binding of `func`.
	 * @param {Array} args The arguments to invoke `func` with.
	 * @returns {*} Returns the result of `func`.
	 */
	function apply(func, thisArg, args) {
	  switch (args.length) {
	    case 0: return func.call(thisArg);
	    case 1: return func.call(thisArg, args[0]);
	    case 2: return func.call(thisArg, args[0], args[1]);
	    case 3: return func.call(thisArg, args[0], args[1], args[2]);
	  }
	  return func.apply(thisArg, args);
	}

	/**
	 * A specialized version of `_.map` for arrays without support for iteratee
	 * shorthands.
	 *
	 * @private
	 * @param {Array} [array] The array to iterate over.
	 * @param {Function} iteratee The function invoked per iteration.
	 * @returns {Array} Returns the new mapped array.
	 */
	function arrayMap(array, iteratee) {
	  var index = -1,
	      length = array == null ? 0 : array.length,
	      result = Array(length);

	  while (++index < length) {
	    result[index] = iteratee(array[index], index, array);
	  }
	  return result;
	}

	/**
	 * The base implementation of `_.times` without support for iteratee shorthands
	 * or max array length checks.
	 *
	 * @private
	 * @param {number} n The number of times to invoke `iteratee`.
	 * @param {Function} iteratee The function invoked per iteration.
	 * @returns {Array} Returns the array of results.
	 */
	function baseTimes(n, iteratee) {
	  var index = -1,
	      result = Array(n);

	  while (++index < n) {
	    result[index] = iteratee(index);
	  }
	  return result;
	}

	/**
	 * The base implementation of `_.unary` without support for storing metadata.
	 *
	 * @private
	 * @param {Function} func The function to cap arguments for.
	 * @returns {Function} Returns the new capped function.
	 */
	function baseUnary(func) {
	  return function(value) {
	    return func(value);
	  };
	}

	/**
	 * The base implementation of `_.values` and `_.valuesIn` which creates an
	 * array of `object` property values corresponding to the property names
	 * of `props`.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @param {Array} props The property names to get values for.
	 * @returns {Object} Returns the array of property values.
	 */
	function baseValues(object, props) {
	  return arrayMap(props, function(key) {
	    return object[key];
	  });
	}

	/**
	 * Used by `_.template` to escape characters for inclusion in compiled string literals.
	 *
	 * @private
	 * @param {string} chr The matched character to escape.
	 * @returns {string} Returns the escaped character.
	 */
	function escapeStringChar(chr) {
	  return '\\' + stringEscapes[chr];
	}

	/**
	 * Gets the value at `key` of `object`.
	 *
	 * @private
	 * @param {Object} [object] The object to query.
	 * @param {string} key The key of the property to get.
	 * @returns {*} Returns the property value.
	 */
	function getValue(object, key) {
	  return object == null ? undefined : object[key];
	}

	/**
	 * Creates a unary function that invokes `func` with its argument transformed.
	 *
	 * @private
	 * @param {Function} func The function to wrap.
	 * @param {Function} transform The argument transform.
	 * @returns {Function} Returns the new function.
	 */
	function overArg(func, transform) {
	  return function(arg) {
	    return func(transform(arg));
	  };
	}

	/** Used for built-in method references. */
	var funcProto = Function.prototype,
	    objectProto = Object.prototype;

	/** Used to detect overreaching core-js shims. */
	var coreJsData = root['__core-js_shared__'];

	/** Used to resolve the decompiled source of functions. */
	var funcToString = funcProto.toString;

	/** Used to check objects for own properties. */
	var hasOwnProperty = objectProto.hasOwnProperty;

	/** Used to detect methods masquerading as native. */
	var maskSrcKey = (function() {
	  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
	  return uid ? ('Symbol(src)_1.' + uid) : '';
	}());

	/**
	 * Used to resolve the
	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
	 * of values.
	 */
	var nativeObjectToString = objectProto.toString;

	/** Used to infer the `Object` constructor. */
	var objectCtorString = funcToString.call(Object);

	/** Used to detect if a method is native. */
	var reIsNative = RegExp('^' +
	  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
	  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
	);

	/** Built-in value references. */
	var Buffer = moduleExports ? root.Buffer : undefined,
	    Symbol = root.Symbol,
	    getPrototype = overArg(Object.getPrototypeOf, Object),
	    propertyIsEnumerable = objectProto.propertyIsEnumerable,
	    symToStringTag = Symbol ? Symbol.toStringTag : undefined;

	var defineProperty = (function() {
	  try {
	    var func = getNative(Object, 'defineProperty');
	    func({}, '', {});
	    return func;
	  } catch (e) {}
	}());

	/* Built-in method references for those with the same name as other `lodash` methods. */
	var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
	    nativeKeys = overArg(Object.keys, Object),
	    nativeMax = Math.max,
	    nativeNow = Date.now;

	/** Used to convert symbols to primitives and strings. */
	var symbolProto = Symbol ? Symbol.prototype : undefined,
	    symbolToString = symbolProto ? symbolProto.toString : undefined;

	/**
	 * Creates an array of the enumerable property names of the array-like `value`.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @param {boolean} inherited Specify returning inherited property names.
	 * @returns {Array} Returns the array of property names.
	 */
	function arrayLikeKeys(value, inherited) {
	  var isArr = isArray(value),
	      isArg = !isArr && isArguments(value),
	      isBuff = !isArr && !isArg && isBuffer(value),
	      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
	      skipIndexes = isArr || isArg || isBuff || isType,
	      result = skipIndexes ? baseTimes(value.length, String) : [],
	      length = result.length;

	  for (var key in value) {
	    if ((inherited || hasOwnProperty.call(value, key)) &&
	        !(skipIndexes && (
	           // Safari 9 has enumerable `arguments.length` in strict mode.
	           key == 'length' ||
	           // Node.js 0.10 has enumerable non-index properties on buffers.
	           (isBuff && (key == 'offset' || key == 'parent')) ||
	           // PhantomJS 2 has enumerable non-index properties on typed arrays.
	           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
	           // Skip index properties.
	           isIndex(key, length)
	        ))) {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * Assigns `value` to `key` of `object` if the existing value is not equivalent
	 * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
	 * for equality comparisons.
	 *
	 * @private
	 * @param {Object} object The object to modify.
	 * @param {string} key The key of the property to assign.
	 * @param {*} value The value to assign.
	 */
	function assignValue(object, key, value) {
	  var objValue = object[key];
	  if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
	      (value === undefined && !(key in object))) {
	    baseAssignValue(object, key, value);
	  }
	}

	/**
	 * The base implementation of `assignValue` and `assignMergeValue` without
	 * value checks.
	 *
	 * @private
	 * @param {Object} object The object to modify.
	 * @param {string} key The key of the property to assign.
	 * @param {*} value The value to assign.
	 */
	function baseAssignValue(object, key, value) {
	  if (key == '__proto__' && defineProperty) {
	    defineProperty(object, key, {
	      'configurable': true,
	      'enumerable': true,
	      'value': value,
	      'writable': true
	    });
	  } else {
	    object[key] = value;
	  }
	}

	/**
	 * The base implementation of `getTag` without fallbacks for buggy environments.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @returns {string} Returns the `toStringTag`.
	 */
	function baseGetTag(value) {
	  if (value == null) {
	    return value === undefined ? undefinedTag : nullTag;
	  }
	  return (symToStringTag && symToStringTag in Object(value))
	    ? getRawTag(value)
	    : objectToString(value);
	}

	/**
	 * The base implementation of `_.isArguments`.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
	 */
	function baseIsArguments(value) {
	  return isObjectLike(value) && baseGetTag(value) == argsTag;
	}

	/**
	 * The base implementation of `_.isNative` without bad shim checks.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a native function,
	 *  else `false`.
	 */
	function baseIsNative(value) {
	  if (!isObject(value) || isMasked(value)) {
	    return false;
	  }
	  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
	  return pattern.test(toSource(value));
	}

	/**
	 * The base implementation of `_.isTypedArray` without Node.js optimizations.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
	 */
	function baseIsTypedArray(value) {
	  return isObjectLike(value) &&
	    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
	}

	/**
	 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function baseKeys(object) {
	  if (!isPrototype(object)) {
	    return nativeKeys(object);
	  }
	  var result = [];
	  for (var key in Object(object)) {
	    if (hasOwnProperty.call(object, key) && key != 'constructor') {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function baseKeysIn(object) {
	  if (!isObject(object)) {
	    return nativeKeysIn(object);
	  }
	  var isProto = isPrototype(object),
	      result = [];

	  for (var key in object) {
	    if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * The base implementation of `_.rest` which doesn't validate or coerce arguments.
	 *
	 * @private
	 * @param {Function} func The function to apply a rest parameter to.
	 * @param {number} [start=func.length-1] The start position of the rest parameter.
	 * @returns {Function} Returns the new function.
	 */
	function baseRest(func, start) {
	  return setToString(overRest(func, start, identity), func + '');
	}

	/**
	 * The base implementation of `setToString` without support for hot loop shorting.
	 *
	 * @private
	 * @param {Function} func The function to modify.
	 * @param {Function} string The `toString` result.
	 * @returns {Function} Returns `func`.
	 */
	var baseSetToString = !defineProperty ? identity : function(func, string) {
	  return defineProperty(func, 'toString', {
	    'configurable': true,
	    'enumerable': false,
	    'value': constant(string),
	    'writable': true
	  });
	};

	/**
	 * The base implementation of `_.toString` which doesn't convert nullish
	 * values to empty strings.
	 *
	 * @private
	 * @param {*} value The value to process.
	 * @returns {string} Returns the string.
	 */
	function baseToString(value) {
	  // Exit early for strings to avoid a performance hit in some environments.
	  if (typeof value == 'string') {
	    return value;
	  }
	  if (isArray(value)) {
	    // Recursively convert values (susceptible to call stack limits).
	    return arrayMap(value, baseToString) + '';
	  }
	  if (isSymbol(value)) {
	    return symbolToString ? symbolToString.call(value) : '';
	  }
	  var result = (value + '');
	  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
	}

	/**
	 * Copies properties of `source` to `object`.
	 *
	 * @private
	 * @param {Object} source The object to copy properties from.
	 * @param {Array} props The property identifiers to copy.
	 * @param {Object} [object={}] The object to copy properties to.
	 * @param {Function} [customizer] The function to customize copied values.
	 * @returns {Object} Returns `object`.
	 */
	function copyObject(source, props, object, customizer) {
	  var isNew = !object;
	  object || (object = {});

	  var index = -1,
	      length = props.length;

	  while (++index < length) {
	    var key = props[index];

	    var newValue = customizer
	      ? customizer(object[key], source[key], key, object, source)
	      : undefined;

	    if (newValue === undefined) {
	      newValue = source[key];
	    }
	    if (isNew) {
	      baseAssignValue(object, key, newValue);
	    } else {
	      assignValue(object, key, newValue);
	    }
	  }
	  return object;
	}

	/**
	 * Creates a function like `_.assign`.
	 *
	 * @private
	 * @param {Function} assigner The function to assign values.
	 * @returns {Function} Returns the new assigner function.
	 */
	function createAssigner(assigner) {
	  return baseRest(function(object, sources) {
	    var index = -1,
	        length = sources.length,
	        customizer = length > 1 ? sources[length - 1] : undefined,
	        guard = length > 2 ? sources[2] : undefined;

	    customizer = (assigner.length > 3 && typeof customizer == 'function')
	      ? (length--, customizer)
	      : undefined;

	    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
	      customizer = length < 3 ? undefined : customizer;
	      length = 1;
	    }
	    object = Object(object);
	    while (++index < length) {
	      var source = sources[index];
	      if (source) {
	        assigner(object, source, index, customizer);
	      }
	    }
	    return object;
	  });
	}

	/**
	 * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
	 * of source objects to the destination object for all destination properties
	 * that resolve to `undefined`.
	 *
	 * @private
	 * @param {*} objValue The destination value.
	 * @param {*} srcValue The source value.
	 * @param {string} key The key of the property to assign.
	 * @param {Object} object The parent object of `objValue`.
	 * @returns {*} Returns the value to assign.
	 */
	function customDefaultsAssignIn(objValue, srcValue, key, object) {
	  if (objValue === undefined ||
	      (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
	    return srcValue;
	  }
	  return objValue;
	}

	/**
	 * Gets the native function at `key` of `object`.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @param {string} key The key of the method to get.
	 * @returns {*} Returns the function if it's native, else `undefined`.
	 */
	function getNative(object, key) {
	  var value = getValue(object, key);
	  return baseIsNative(value) ? value : undefined;
	}

	/**
	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
	 *
	 * @private
	 * @param {*} value The value to query.
	 * @returns {string} Returns the raw `toStringTag`.
	 */
	function getRawTag(value) {
	  var isOwn = hasOwnProperty.call(value, symToStringTag),
	      tag = value[symToStringTag];

	  try {
	    value[symToStringTag] = undefined;
	    var unmasked = true;
	  } catch (e) {}

	  var result = nativeObjectToString.call(value);
	  if (unmasked) {
	    if (isOwn) {
	      value[symToStringTag] = tag;
	    } else {
	      delete value[symToStringTag];
	    }
	  }
	  return result;
	}

	/**
	 * Checks if `value` is a valid array-like index.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
	 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
	 */
	function isIndex(value, length) {
	  var type = typeof value;
	  length = length == null ? MAX_SAFE_INTEGER : length;

	  return !!length &&
	    (type == 'number' ||
	      (type != 'symbol' && reIsUint.test(value))) &&
	        (value > -1 && value % 1 == 0 && value < length);
	}

	/**
	 * Checks if the given arguments are from an iteratee call.
	 *
	 * @private
	 * @param {*} value The potential iteratee value argument.
	 * @param {*} index The potential iteratee index or key argument.
	 * @param {*} object The potential iteratee object argument.
	 * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
	 *  else `false`.
	 */
	function isIterateeCall(value, index, object) {
	  if (!isObject(object)) {
	    return false;
	  }
	  var type = typeof index;
	  if (type == 'number'
	        ? (isArrayLike(object) && isIndex(index, object.length))
	        : (type == 'string' && index in object)
	      ) {
	    return eq(object[index], value);
	  }
	  return false;
	}

	/**
	 * Checks if `func` has its source masked.
	 *
	 * @private
	 * @param {Function} func The function to check.
	 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
	 */
	function isMasked(func) {
	  return !!maskSrcKey && (maskSrcKey in func);
	}

	/**
	 * Checks if `value` is likely a prototype object.
	 *
	 * @private
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
	 */
	function isPrototype(value) {
	  var Ctor = value && value.constructor,
	      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

	  return value === proto;
	}

	/**
	 * This function is like
	 * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
	 * except that it includes inherited enumerable properties.
	 *
	 * @private
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 */
	function nativeKeysIn(object) {
	  var result = [];
	  if (object != null) {
	    for (var key in Object(object)) {
	      result.push(key);
	    }
	  }
	  return result;
	}

	/**
	 * Converts `value` to a string using `Object.prototype.toString`.
	 *
	 * @private
	 * @param {*} value The value to convert.
	 * @returns {string} Returns the converted string.
	 */
	function objectToString(value) {
	  return nativeObjectToString.call(value);
	}

	/**
	 * A specialized version of `baseRest` which transforms the rest array.
	 *
	 * @private
	 * @param {Function} func The function to apply a rest parameter to.
	 * @param {number} [start=func.length-1] The start position of the rest parameter.
	 * @param {Function} transform The rest array transform.
	 * @returns {Function} Returns the new function.
	 */
	function overRest(func, start, transform) {
	  start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
	  return function() {
	    var args = arguments,
	        index = -1,
	        length = nativeMax(args.length - start, 0),
	        array = Array(length);

	    while (++index < length) {
	      array[index] = args[start + index];
	    }
	    index = -1;
	    var otherArgs = Array(start + 1);
	    while (++index < start) {
	      otherArgs[index] = args[index];
	    }
	    otherArgs[start] = transform(array);
	    return apply(func, this, otherArgs);
	  };
	}

	/**
	 * Sets the `toString` method of `func` to return `string`.
	 *
	 * @private
	 * @param {Function} func The function to modify.
	 * @param {Function} string The `toString` result.
	 * @returns {Function} Returns `func`.
	 */
	var setToString = shortOut(baseSetToString);

	/**
	 * Creates a function that'll short out and invoke `identity` instead
	 * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
	 * milliseconds.
	 *
	 * @private
	 * @param {Function} func The function to restrict.
	 * @returns {Function} Returns the new shortable function.
	 */
	function shortOut(func) {
	  var count = 0,
	      lastCalled = 0;

	  return function() {
	    var stamp = nativeNow(),
	        remaining = HOT_SPAN - (stamp - lastCalled);

	    lastCalled = stamp;
	    if (remaining > 0) {
	      if (++count >= HOT_COUNT) {
	        return arguments[0];
	      }
	    } else {
	      count = 0;
	    }
	    return func.apply(undefined, arguments);
	  };
	}

	/**
	 * Converts `func` to its source code.
	 *
	 * @private
	 * @param {Function} func The function to convert.
	 * @returns {string} Returns the source code.
	 */
	function toSource(func) {
	  if (func != null) {
	    try {
	      return funcToString.call(func);
	    } catch (e) {}
	    try {
	      return (func + '');
	    } catch (e) {}
	  }
	  return '';
	}

	/**
	 * Performs a
	 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
	 * comparison between two values to determine if they are equivalent.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to compare.
	 * @param {*} other The other value to compare.
	 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
	 * @example
	 *
	 * var object = { 'a': 1 };
	 * var other = { 'a': 1 };
	 *
	 * _.eq(object, object);
	 * // => true
	 *
	 * _.eq(object, other);
	 * // => false
	 *
	 * _.eq('a', 'a');
	 * // => true
	 *
	 * _.eq('a', Object('a'));
	 * // => false
	 *
	 * _.eq(NaN, NaN);
	 * // => true
	 */
	function eq(value, other) {
	  return value === other || (value !== value && other !== other);
	}

	/**
	 * Checks if `value` is likely an `arguments` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
	 *  else `false`.
	 * @example
	 *
	 * _.isArguments(function() { return arguments; }());
	 * // => true
	 *
	 * _.isArguments([1, 2, 3]);
	 * // => false
	 */
	var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
	  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
	    !propertyIsEnumerable.call(value, 'callee');
	};

	/**
	 * Checks if `value` is classified as an `Array` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
	 * @example
	 *
	 * _.isArray([1, 2, 3]);
	 * // => true
	 *
	 * _.isArray(document.body.children);
	 * // => false
	 *
	 * _.isArray('abc');
	 * // => false
	 *
	 * _.isArray(_.noop);
	 * // => false
	 */
	var isArray = Array.isArray;

	/**
	 * Checks if `value` is array-like. A value is considered array-like if it's
	 * not a function and has a `value.length` that's an integer greater than or
	 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
	 * @example
	 *
	 * _.isArrayLike([1, 2, 3]);
	 * // => true
	 *
	 * _.isArrayLike(document.body.children);
	 * // => true
	 *
	 * _.isArrayLike('abc');
	 * // => true
	 *
	 * _.isArrayLike(_.noop);
	 * // => false
	 */
	function isArrayLike(value) {
	  return value != null && isLength(value.length) && !isFunction(value);
	}

	/**
	 * Checks if `value` is a buffer.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.3.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
	 * @example
	 *
	 * _.isBuffer(new Buffer(2));
	 * // => true
	 *
	 * _.isBuffer(new Uint8Array(2));
	 * // => false
	 */
	var isBuffer = nativeIsBuffer || stubFalse;

	/**
	 * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
	 * `SyntaxError`, `TypeError`, or `URIError` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
	 * @example
	 *
	 * _.isError(new Error);
	 * // => true
	 *
	 * _.isError(Error);
	 * // => false
	 */
	function isError(value) {
	  if (!isObjectLike(value)) {
	    return false;
	  }
	  var tag = baseGetTag(value);
	  return tag == errorTag || tag == domExcTag ||
	    (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
	}

	/**
	 * Checks if `value` is classified as a `Function` object.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
	 * @example
	 *
	 * _.isFunction(_);
	 * // => true
	 *
	 * _.isFunction(/abc/);
	 * // => false
	 */
	function isFunction(value) {
	  if (!isObject(value)) {
	    return false;
	  }
	  // The use of `Object#toString` avoids issues with the `typeof` operator
	  // in Safari 9 which returns 'object' for typed arrays and other constructors.
	  var tag = baseGetTag(value);
	  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
	}

	/**
	 * Checks if `value` is a valid array-like length.
	 *
	 * **Note:** This method is loosely based on
	 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
	 * @example
	 *
	 * _.isLength(3);
	 * // => true
	 *
	 * _.isLength(Number.MIN_VALUE);
	 * // => false
	 *
	 * _.isLength(Infinity);
	 * // => false
	 *
	 * _.isLength('3');
	 * // => false
	 */
	function isLength(value) {
	  return typeof value == 'number' &&
	    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
	}

	/**
	 * Checks if `value` is the
	 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
	 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
	 *
	 * @static
	 * @memberOf _
	 * @since 0.1.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
	 * @example
	 *
	 * _.isObject({});
	 * // => true
	 *
	 * _.isObject([1, 2, 3]);
	 * // => true
	 *
	 * _.isObject(_.noop);
	 * // => true
	 *
	 * _.isObject(null);
	 * // => false
	 */
	function isObject(value) {
	  var type = typeof value;
	  return value != null && (type == 'object' || type == 'function');
	}

	/**
	 * Checks if `value` is object-like. A value is object-like if it's not `null`
	 * and has a `typeof` result of "object".
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
	 * @example
	 *
	 * _.isObjectLike({});
	 * // => true
	 *
	 * _.isObjectLike([1, 2, 3]);
	 * // => true
	 *
	 * _.isObjectLike(_.noop);
	 * // => false
	 *
	 * _.isObjectLike(null);
	 * // => false
	 */
	function isObjectLike(value) {
	  return value != null && typeof value == 'object';
	}

	/**
	 * Checks if `value` is a plain object, that is, an object created by the
	 * `Object` constructor or one with a `[[Prototype]]` of `null`.
	 *
	 * @static
	 * @memberOf _
	 * @since 0.8.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
	 * @example
	 *
	 * function Foo() {
	 *   this.a = 1;
	 * }
	 *
	 * _.isPlainObject(new Foo);
	 * // => false
	 *
	 * _.isPlainObject([1, 2, 3]);
	 * // => false
	 *
	 * _.isPlainObject({ 'x': 0, 'y': 0 });
	 * // => true
	 *
	 * _.isPlainObject(Object.create(null));
	 * // => true
	 */
	function isPlainObject(value) {
	  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
	    return false;
	  }
	  var proto = getPrototype(value);
	  if (proto === null) {
	    return true;
	  }
	  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
	  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
	    funcToString.call(Ctor) == objectCtorString;
	}

	/**
	 * Checks if `value` is classified as a `Symbol` primitive or object.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
	 * @example
	 *
	 * _.isSymbol(Symbol.iterator);
	 * // => true
	 *
	 * _.isSymbol('abc');
	 * // => false
	 */
	function isSymbol(value) {
	  return typeof value == 'symbol' ||
	    (isObjectLike(value) && baseGetTag(value) == symbolTag);
	}

	/**
	 * Checks if `value` is classified as a typed array.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Lang
	 * @param {*} value The value to check.
	 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
	 * @example
	 *
	 * _.isTypedArray(new Uint8Array);
	 * // => true
	 *
	 * _.isTypedArray([]);
	 * // => false
	 */
	var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

	/**
	 * Converts `value` to a string. An empty string is returned for `null`
	 * and `undefined` values. The sign of `-0` is preserved.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @category Lang
	 * @param {*} value The value to convert.
	 * @returns {string} Returns the converted string.
	 * @example
	 *
	 * _.toString(null);
	 * // => ''
	 *
	 * _.toString(-0);
	 * // => '-0'
	 *
	 * _.toString([1, 2, 3]);
	 * // => '1,2,3'
	 */
	function toString(value) {
	  return value == null ? '' : baseToString(value);
	}

	/**
	 * This method is like `_.assignIn` except that it accepts `customizer`
	 * which is invoked to produce the assigned values. If `customizer` returns
	 * `undefined`, assignment is handled by the method instead. The `customizer`
	 * is invoked with five arguments: (objValue, srcValue, key, object, source).
	 *
	 * **Note:** This method mutates `object`.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.0.0
	 * @alias extendWith
	 * @category Object
	 * @param {Object} object The destination object.
	 * @param {...Object} sources The source objects.
	 * @param {Function} [customizer] The function to customize assigned values.
	 * @returns {Object} Returns `object`.
	 * @see _.assignWith
	 * @example
	 *
	 * function customizer(objValue, srcValue) {
	 *   return _.isUndefined(objValue) ? srcValue : objValue;
	 * }
	 *
	 * var defaults = _.partialRight(_.assignInWith, customizer);
	 *
	 * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
	 * // => { 'a': 1, 'b': 2 }
	 */
	var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
	  copyObject(source, keysIn(source), object, customizer);
	});

	/**
	 * Creates an array of the own enumerable property names of `object`.
	 *
	 * **Note:** Non-object values are coerced to objects. See the
	 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
	 * for more details.
	 *
	 * @static
	 * @since 0.1.0
	 * @memberOf _
	 * @category Object
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 * @example
	 *
	 * function Foo() {
	 *   this.a = 1;
	 *   this.b = 2;
	 * }
	 *
	 * Foo.prototype.c = 3;
	 *
	 * _.keys(new Foo);
	 * // => ['a', 'b'] (iteration order is not guaranteed)
	 *
	 * _.keys('hi');
	 * // => ['0', '1']
	 */
	function keys(object) {
	  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
	}

	/**
	 * Creates an array of the own and inherited enumerable property names of `object`.
	 *
	 * **Note:** Non-object values are coerced to objects.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Object
	 * @param {Object} object The object to query.
	 * @returns {Array} Returns the array of property names.
	 * @example
	 *
	 * function Foo() {
	 *   this.a = 1;
	 *   this.b = 2;
	 * }
	 *
	 * Foo.prototype.c = 3;
	 *
	 * _.keysIn(new Foo);
	 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
	 */
	function keysIn(object) {
	  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
	}

	/**
	 * Creates a compiled template function that can interpolate data properties
	 * in "interpolate" delimiters, HTML-escape interpolated data properties in
	 * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
	 * properties may be accessed as free variables in the template. If a setting
	 * object is given, it takes precedence over `_.templateSettings` values.
	 *
	 * **Note:** In the development build `_.template` utilizes
	 * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
	 * for easier debugging.
	 *
	 * For more information on precompiling templates see
	 * [lodash's custom builds documentation](https://lodash.com/custom-builds).
	 *
	 * For more information on Chrome extension sandboxes see
	 * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
	 *
	 * @static
	 * @since 0.1.0
	 * @memberOf _
	 * @category String
	 * @param {string} [string=''] The template string.
	 * @param {Object} [options={}] The options object.
	 * @param {RegExp} [options.escape=_.templateSettings.escape]
	 *  The HTML "escape" delimiter.
	 * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
	 *  The "evaluate" delimiter.
	 * @param {Object} [options.imports=_.templateSettings.imports]
	 *  An object to import into the template as free variables.
	 * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
	 *  The "interpolate" delimiter.
	 * @param {string} [options.sourceURL='templateSources[n]']
	 *  The sourceURL of the compiled template.
	 * @param {string} [options.variable='obj']
	 *  The data object variable name.
	 * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
	 * @returns {Function} Returns the compiled template function.
	 * @example
	 *
	 * // Use the "interpolate" delimiter to create a compiled template.
	 * var compiled = _.template('hello <%= user %>!');
	 * compiled({ 'user': 'fred' });
	 * // => 'hello fred!'
	 *
	 * // Use the HTML "escape" delimiter to escape data property values.
	 * var compiled = _.template('<b><%- value %></b>');
	 * compiled({ 'value': '<script>' });
	 * // => '<b>&lt;script&gt;</b>'
	 *
	 * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
	 * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
	 * compiled({ 'users': ['fred', 'barney'] });
	 * // => '<li>fred</li><li>barney</li>'
	 *
	 * // Use the internal `print` function in "evaluate" delimiters.
	 * var compiled = _.template('<% print("hello " + user); %>!');
	 * compiled({ 'user': 'barney' });
	 * // => 'hello barney!'
	 *
	 * // Use the ES template literal delimiter as an "interpolate" delimiter.
	 * // Disable support by replacing the "interpolate" delimiter.
	 * var compiled = _.template('hello ${ user }!');
	 * compiled({ 'user': 'pebbles' });
	 * // => 'hello pebbles!'
	 *
	 * // Use backslashes to treat delimiters as plain text.
	 * var compiled = _.template('<%= "\\<%- value %\\>" %>');
	 * compiled({ 'value': 'ignored' });
	 * // => '<%- value %>'
	 *
	 * // Use the `imports` option to import `jQuery` as `jq`.
	 * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
	 * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
	 * compiled({ 'users': ['fred', 'barney'] });
	 * // => '<li>fred</li><li>barney</li>'
	 *
	 * // Use the `sourceURL` option to specify a custom sourceURL for the template.
	 * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
	 * compiled(data);
	 * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
	 *
	 * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
	 * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
	 * compiled.source;
	 * // => function(data) {
	 * //   var __t, __p = '';
	 * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
	 * //   return __p;
	 * // }
	 *
	 * // Use custom template delimiters.
	 * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
	 * var compiled = _.template('hello {{ user }}!');
	 * compiled({ 'user': 'mustache' });
	 * // => 'hello mustache!'
	 *
	 * // Use the `source` property to inline compiled templates for meaningful
	 * // line numbers in error messages and stack traces.
	 * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
	 *   var JST = {\
	 *     "main": ' + _.template(mainText).source + '\
	 *   };\
	 * ');
	 */
	function template(string, options, guard) {
	  // Based on John Resig's `tmpl` implementation
	  // (http://ejohn.org/blog/javascript-micro-templating/)
	  // and Laura Doktorova's doT.js (https://github.com/olado/doT).
	  var settings = templateSettings.imports._.templateSettings || templateSettings;

	  if (guard && isIterateeCall(string, options, guard)) {
	    options = undefined;
	  }
	  string = toString(string);
	  options = assignInWith({}, options, settings, customDefaultsAssignIn);

	  var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
	      importsKeys = keys(imports),
	      importsValues = baseValues(imports, importsKeys);

	  var isEscaping,
	      isEvaluating,
	      index = 0,
	      interpolate = options.interpolate || reNoMatch,
	      source = "__p += '";

	  // Compile the regexp to match each delimiter.
	  var reDelimiters = RegExp(
	    (options.escape || reNoMatch).source + '|' +
	    interpolate.source + '|' +
	    (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
	    (options.evaluate || reNoMatch).source + '|$'
	  , 'g');

	  // Use a sourceURL for easier debugging.
	  // The sourceURL gets injected into the source that's eval-ed, so be careful
	  // with lookup (in case of e.g. prototype pollution), and strip newlines if any.
	  // A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.
	  var sourceURL = hasOwnProperty.call(options, 'sourceURL')
	    ? ('//# sourceURL=' +
	       (options.sourceURL + '').replace(/[\r\n]/g, ' ') +
	       '\n')
	    : '';

	  string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
	    interpolateValue || (interpolateValue = esTemplateValue);

	    // Escape characters that can't be included in string literals.
	    source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

	    // Replace delimiters with snippets.
	    if (escapeValue) {
	      isEscaping = true;
	      source += "' +\n__e(" + escapeValue + ") +\n'";
	    }
	    if (evaluateValue) {
	      isEvaluating = true;
	      source += "';\n" + evaluateValue + ";\n__p += '";
	    }
	    if (interpolateValue) {
	      source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
	    }
	    index = offset + match.length;

	    // The JS engine embedded in Adobe products needs `match` returned in
	    // order to produce the correct `offset` value.
	    return match;
	  });

	  source += "';\n";

	  // If `variable` is not specified wrap a with-statement around the generated
	  // code to add the data object to the top of the scope chain.
	  // Like with sourceURL, we take care to not check the option's prototype,
	  // as this configuration is a code injection vector.
	  var variable = hasOwnProperty.call(options, 'variable') && options.variable;
	  if (!variable) {
	    source = 'with (obj) {\n' + source + '\n}\n';
	  }
	  // Cleanup code by stripping empty strings.
	  source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
	    .replace(reEmptyStringMiddle, '$1')
	    .replace(reEmptyStringTrailing, '$1;');

	  // Frame code as the function body.
	  source = 'function(' + (variable || 'obj') + ') {\n' +
	    (variable
	      ? ''
	      : 'obj || (obj = {});\n'
	    ) +
	    "var __t, __p = ''" +
	    (isEscaping
	       ? ', __e = _.escape'
	       : ''
	    ) +
	    (isEvaluating
	      ? ', __j = Array.prototype.join;\n' +
	        "function print() { __p += __j.call(arguments, '') }\n"
	      : ';\n'
	    ) +
	    source +
	    'return __p\n}';

	  var result = attempt(function() {
	    return Function(importsKeys, sourceURL + 'return ' + source)
	      .apply(undefined, importsValues);
	  });

	  // Provide the compiled function's source by its `toString` method or
	  // the `source` property as a convenience for inlining compiled templates.
	  result.source = source;
	  if (isError(result)) {
	    throw result;
	  }
	  return result;
	}

	/**
	 * Attempts to invoke `func`, returning either the result or the caught error
	 * object. Any additional arguments are provided to `func` when it's invoked.
	 *
	 * @static
	 * @memberOf _
	 * @since 3.0.0
	 * @category Util
	 * @param {Function} func The function to attempt.
	 * @param {...*} [args] The arguments to invoke `func` with.
	 * @returns {*} Returns the `func` result or error object.
	 * @example
	 *
	 * // Avoid throwing errors for invalid selectors.
	 * var elements = _.attempt(function(selector) {
	 *   return document.querySelectorAll(selector);
	 * }, '>_>');
	 *
	 * if (_.isError(elements)) {
	 *   elements = [];
	 * }
	 */
	var attempt = baseRest(function(func, args) {
	  try {
	    return apply(func, undefined, args);
	  } catch (e) {
	    return isError(e) ? e : new Error(e);
	  }
	});

	/**
	 * Creates a function that returns `value`.
	 *
	 * @static
	 * @memberOf _
	 * @since 2.4.0
	 * @category Util
	 * @param {*} value The value to return from the new function.
	 * @returns {Function} Returns the new constant function.
	 * @example
	 *
	 * var objects = _.times(2, _.constant({ 'a': 1 }));
	 *
	 * console.log(objects);
	 * // => [{ 'a': 1 }, { 'a': 1 }]
	 *
	 * console.log(objects[0] === objects[1]);
	 * // => true
	 */
	function constant(value) {
	  return function() {
	    return value;
	  };
	}

	/**
	 * This method returns the first argument it receives.
	 *
	 * @static
	 * @since 0.1.0
	 * @memberOf _
	 * @category Util
	 * @param {*} value Any value.
	 * @returns {*} Returns `value`.
	 * @example
	 *
	 * var object = { 'a': 1 };
	 *
	 * console.log(_.identity(object) === object);
	 * // => true
	 */
	function identity(value) {
	  return value;
	}

	/**
	 * This method returns `false`.
	 *
	 * @static
	 * @memberOf _
	 * @since 4.13.0
	 * @category Util
	 * @returns {boolean} Returns `false`.
	 * @example
	 *
	 * _.times(2, _.stubFalse);
	 * // => [false, false]
	 */
	function stubFalse() {
	  return false;
	}

	module.exports = template; 
} (lodash_template, lodash_template.exports));

var lodash_templateExports = lodash_template.exports;
var template = /*@__PURE__*/getDefaultExportFromCjs(lodash_templateExports);

var ScaffoldThemeType = /* @__PURE__ */ ((ScaffoldThemeType2) => {
  ScaffoldThemeType2["Default"] = "default theme";
  ScaffoldThemeType2["DefaultCustom"] = "default theme + customization";
  ScaffoldThemeType2["Custom"] = "custom theme";
  return ScaffoldThemeType2;
})(ScaffoldThemeType || {});
const getPackageManger = () => {
  const name = process.env?.npm_config_user_agent || "npm";
  if (name === "npm") {
    return "npm";
  }
  return name.split("/")[0];
};
async function init() {
  oe(picocolorsExports.bold(picocolorsExports.cyan("Welcome to VitePress!")));
  const options = await he(
    {
      root: () => te({
        message: "Where should VitePress initialize the config?",
        initialValue: "./",
        validate(value) {
        }
      }),
      title: () => te({
        message: "Site title:",
        placeholder: "My Awesome Project"
      }),
      description: () => te({
        message: "Site description:",
        placeholder: "A VitePress Site"
      }),
      theme: () => ie({
        message: "Theme:",
        options: [
          {
            // @ts-ignore
            value: "default theme" /* Default */,
            label: "Default Theme",
            hint: "Out of the box, good-looking docs"
          },
          {
            // @ts-ignore
            value: "default theme + customization" /* DefaultCustom */,
            label: "Default Theme + Customization",
            hint: "Add custom CSS and layout slots"
          },
          {
            // @ts-ignore
            value: "custom theme" /* Custom */,
            label: "Custom Theme",
            hint: "Build your own or use external"
          }
        ]
      }),
      useTs: () => se({ message: "Use TypeScript for config and theme files?" }),
      injectNpmScripts: () => se({
        message: "Add VitePress npm scripts to package.json?"
      })
    },
    {
      onCancel: () => {
        ue("Cancelled.");
        process.exit(0);
      }
    }
  );
  $e(scaffold(options));
}
function scaffold({
  root = "./",
  title = "My Awesome Project",
  description = "A VitePress Site",
  theme,
  useTs,
  injectNpmScripts
}) {
  const resolvedRoot = path$q.resolve(root);
  const templateDir = path$q.resolve(
    path$q.dirname(fileURLToPath$1(import.meta.url)),
    "../../template"
  );
  const data = {
    title: JSON.stringify(title),
    description: JSON.stringify(description),
    useTs,
    defaultTheme: theme === "default theme" /* Default */ || theme === "default theme + customization" /* DefaultCustom */
  };
  const pkgPath = path$q.resolve("package.json");
  const userPkg = fs$a.existsSync(pkgPath) ? JSON.parse(fs$a.readFileSync(pkgPath, "utf-8")) : {};
  const useMjs = userPkg.type !== "module";
  const renderFile = (file) => {
    const filePath = path$q.resolve(templateDir, file);
    let targetPath = path$q.resolve(resolvedRoot, file);
    if (useMjs && file === ".vitepress/config.js") {
      targetPath = targetPath.replace(/\.js$/, ".mjs");
    }
    if (useTs) {
      targetPath = targetPath.replace(/\.(m?)js$/, ".$1ts");
    }
    const src = fs$a.readFileSync(filePath, "utf-8");
    const compiled = template(src)(data);
    fs$a.outputFileSync(targetPath, compiled);
  };
  const filesToScaffold = [
    "index.md",
    "api-examples.md",
    "markdown-examples.md",
    ".vitepress/config.js"
  ];
  if (theme === "default theme + customization" /* DefaultCustom */) {
    filesToScaffold.push(
      ".vitepress/theme/index.js",
      ".vitepress/theme/style.css"
    );
  } else if (theme === "custom theme" /* Custom */) {
    filesToScaffold.push(
      ".vitepress/theme/index.js",
      ".vitepress/theme/style.css",
      ".vitepress/theme/Layout.vue"
    );
  }
  for (const file of filesToScaffold) {
    renderFile(file);
  }
  const dir = root === "./" ? "" : ` ${root.replace(/^\.\//, "").replace(/[/\\]$/, "")}`;
  const gitignorePrefix = dir ? `${dir}/.vitepress` : ".vitepress";
  const tips = [];
  if (fs$a.existsSync(".git")) {
    tips.push(
      `Make sure to add ${picocolorsExports.cyan(`${gitignorePrefix}/dist`)} and ${picocolorsExports.cyan(`${gitignorePrefix}/cache`)} to your ${picocolorsExports.cyan(`.gitignore`)} file.`
    );
  }
  if (theme !== "default theme" /* Default */ && !userPkg.dependencies?.["vue"] && !userPkg.devDependencies?.["vue"]) {
    tips.push(
      `Since you've chosen to customize the theme, you should also explicitly install ${picocolorsExports.cyan(`vue`)} as a dev dependency.`
    );
  }
  const tip = tips.length ? picocolorsExports.yellow([`

Tips:`, ...tips].join("\n- ")) : ``;
  if (injectNpmScripts) {
    const scripts = {
      "docs:dev": `vitepress dev${dir}`,
      "docs:build": `vitepress build${dir}`,
      "docs:preview": `vitepress preview${dir}`
    };
    Object.assign(userPkg.scripts || (userPkg.scripts = {}), scripts);
    fs$a.writeFileSync(pkgPath, JSON.stringify(userPkg, null, 2));
    return `Done! Now run ${picocolorsExports.cyan(
      `${getPackageManger()} run docs:dev`
    )} and start writing.${tip}`;
  } else {
    const execCommand = getPackageManger() === "bun" ? "bunx" : "npx";
    return `You're all set! Now run ${picocolorsExports.cyan(
      `${execCommand} vitepress dev${dir}`
    )} and start writing.${tip}`;
  }
}

// NOTE: supports Node 6.x


const NOOP = () => {};
const MIMES = /text|javascript|\/json|xml/i;

/**
 * @param {any} chunk
 * @param {BufferEncoding} enc
 * @returns {number}
 */
function getChunkSize(chunk, enc) {
	return chunk ? Buffer.byteLength(chunk, enc) : 0;
}

/**
 * @param {import('./index.d.mts').Options} [options]
 * @returns {import('./index.d.mts').Middleware}
 */
function compression ({ threshold = 1024, level = -1, brotli = false, gzip = true, mimes = MIMES } = {}) {
	const brotliOpts = (typeof brotli === 'object' && brotli) || {};
	const gzipOpts = (typeof gzip === 'object' && gzip) || {};

	// disable Brotli on Node<12.7 where it is unsupported:
	if (!zlib.createBrotliCompress) brotli = false;

	return (req, res, next = NOOP) => {
		const accept = req.headers['accept-encoding'] + '';
		const encoding = ((brotli && accept.match(/\bbr\b/)) || (gzip && accept.match(/\bgzip\b/)) || [])[0];

		// skip if no response body or no supported encoding:
		if (req.method === 'HEAD' || !encoding) return next();

		/** @type {zlib.Gzip | zlib.BrotliCompress} */
		let compress;
		/** @type {Array<[string, function]>?} */
		let pendingListeners = [];
		let pendingStatus = 0;
		let started = false;
		let size = 0;

		function start() {
			started = true;
			// @ts-ignore
			size = res.getHeader('Content-Length') | 0 || size;
			const compressible = mimes.test(
				String(res.getHeader('Content-Type') || 'text/plain')
			);
			const cleartext = !res.getHeader('Content-Encoding');
			const listeners = pendingListeners || [];

			if (compressible && cleartext && size >= threshold) {
				res.setHeader('Content-Encoding', encoding);
				res.removeHeader('Content-Length');
				if (encoding === 'br') {
					compress = zlib.createBrotliCompress({
						params: Object.assign({
							[zlib.constants.BROTLI_PARAM_QUALITY]: level,
							[zlib.constants.BROTLI_PARAM_SIZE_HINT]: size,
						}, brotliOpts)
					});
				} else {
					compress = zlib.createGzip(
						Object.assign({ level }, gzipOpts)
					);
				}
				// backpressure
				compress.on('data', chunk => write.call(res, chunk) || compress.pause());
				on.call(res, 'drain', () => compress.resume());
				compress.on('end', () => end.call(res));
				listeners.forEach(p => compress.on.apply(compress, p));
			} else {
				pendingListeners = null;
				listeners.forEach(p => on.apply(res, p));
			}

			writeHead.call(res, pendingStatus || res.statusCode);
		}

		const { end, write, on, writeHead } = res;

		res.writeHead = function (status, reason, headers) {
			if (typeof reason !== 'string') [headers, reason] = [reason, headers];
			if (headers) for (let k in headers) res.setHeader(k, headers[k]);
			pendingStatus = status;
			return this;
		};

		res.write = function (chunk, enc) {
			size += getChunkSize(chunk, enc);
			if (!started) start();
			if (!compress) return write.apply(this, arguments);
			return compress.write.apply(compress, arguments);
		};

		res.end = function (chunk, enc) {
			if (arguments.length > 0 && typeof chunk !== 'function') {
				size += getChunkSize(chunk, enc);
			}
			if (!started) start();
			if (!compress) return end.apply(this, arguments);
			return compress.end.apply(compress, arguments);
		};

		res.on = function (type, listener) {
			if (!pendingListeners) on.call(this, type, listener);
			else if (compress) compress.on(type, listener);
			else pendingListeners.push([type, listener]);
			return this;
		};

		next();
	};
}

/**
 * @param {string|RegExp} input The route pattern
 * @param {boolean} [loose] Allow open-ended matching. Ignored with `RegExp` input.
 */
function parse$1(input, loose) {
	if (input instanceof RegExp) return { keys:false, pattern:input };
	var c, o, tmp, ext, keys=[], pattern='', arr = input.split('/');
	arr[0] || arr.shift();

	while (tmp = arr.shift()) {
		c = tmp[0];
		if (c === '*') {
			keys.push(c);
			pattern += tmp[1] === '?' ? '(?:/(.*))?' : '/(.*)';
		} else if (c === ':') {
			o = tmp.indexOf('?', 1);
			ext = tmp.indexOf('.', 1);
			keys.push( tmp.substring(1, !!~o ? o : !!~ext ? ext : tmp.length) );
			pattern += !!~o && !~ext ? '(?:/([^/]+?))?' : '/([^/]+?)';
			if (!!~ext) pattern += (!!~o ? '?' : '') + '\\' + tmp.substring(ext);
		} else {
			pattern += '/' + tmp;
		}
	}

	return {
		keys: keys,
		pattern: new RegExp('^' + pattern + (loose ? '(?=$|\/)' : '\/?$'), 'i')
	};
}

const MAP = {
	"": 0,
	GET: 1,
	HEAD: 2,
	PATCH: 3,
	OPTIONS: 4,
	CONNECT: 5,
	DELETE: 6,
	TRACE: 7,
	POST: 8,
	PUT: 9,
};

class Trouter {
	constructor() {
		this.routes = [];

		this.all = this.add.bind(this, '');
		this.get = this.add.bind(this, 'GET');
		this.head = this.add.bind(this, 'HEAD');
		this.patch = this.add.bind(this, 'PATCH');
		this.options = this.add.bind(this, 'OPTIONS');
		this.connect = this.add.bind(this, 'CONNECT');
		this.delete = this.add.bind(this, 'DELETE');
		this.trace = this.add.bind(this, 'TRACE');
		this.post = this.add.bind(this, 'POST');
		this.put = this.add.bind(this, 'PUT');
	}

	use(route, ...fns) {
		let handlers = [].concat.apply([], fns);
		let { keys, pattern } = parse$1(route, true);
		this.routes.push({ keys, pattern, method: '', handlers, midx: MAP[''] });
		return this;
	}

	add(method, route, ...fns) {
		let { keys, pattern } = parse$1(route);
		let handlers = [].concat.apply([], fns);
		this.routes.push({ keys, pattern, method, handlers, midx: MAP[method] });
		return this;
	}

	find(method, url) {
		let midx = MAP[method];
		let isHEAD = (midx === 2);
		let i=0, j=0, k, tmp, arr=this.routes;
		let matches=[], params={}, handlers=[];
		for (; i < arr.length; i++) {
			tmp = arr[i];
			if (tmp.midx === midx  || tmp.midx === 0 || (isHEAD && tmp.midx===1) ) {
				if (tmp.keys === false) {
					matches = tmp.pattern.exec(url);
					if (matches === null) continue;
					if (matches.groups !== void 0) for (k in matches.groups) params[k]=matches.groups[k];
					tmp.handlers.length > 1 ? (handlers=handlers.concat(tmp.handlers)) : handlers.push(tmp.handlers[0]);
				} else if (tmp.keys.length > 0) {
					matches = tmp.pattern.exec(url);
					if (matches === null) continue;
					for (j=0; j < tmp.keys.length;) params[tmp.keys[j]]=matches[++j];
					tmp.handlers.length > 1 ? (handlers=handlers.concat(tmp.handlers)) : handlers.push(tmp.handlers[0]);
				} else if (tmp.pattern.test(url)) {
					tmp.handlers.length > 1 ? (handlers=handlers.concat(tmp.handlers)) : handlers.push(tmp.handlers[0]);
				}
			} // else not a match
		}

		return { params, handlers };
	}
}

/**
 * @typedef ParsedURL
 * @type {import('.').ParsedURL}
 */

/**
 * @typedef Request
 * @property {string} url
 * @property {ParsedURL} _parsedUrl
 */

/**
 * @param {Request} req
 * @returns {ParsedURL|void}
 */
function parse(req) {
	let raw = req.url;
	if (raw == null) return;

	let prev = req._parsedUrl;
	if (prev && prev.raw === raw) return prev;

	let pathname=raw, search='', query;

	if (raw.length > 1) {
		let idx = raw.indexOf('?', 1);

		if (idx !== -1) {
			search = raw.substring(idx);
			pathname = raw.substring(0, idx);
			if (search.length > 1) {
				query = qs.parse(search.substring(1));
			}
		}
	}

	return req._parsedUrl = { pathname, search, query, raw };
}

function onError(err, req, res) {
	let code = typeof err.status === 'number' && err.status;
	code = res.statusCode = (code && code >= 100 ? code : 500);
	if (typeof err === 'string' || Buffer.isBuffer(err)) res.end(err);
	else res.end(err.message || http.STATUS_CODES[code]);
}

const mount = fn => fn instanceof Polka ? fn.attach : fn;

class Polka extends Trouter {
	constructor(opts={}) {
		super();
		this.parse = parse;
		this.server = opts.server;
		this.handler = this.handler.bind(this);
		this.onError = opts.onError || onError; // catch-all handler
		this.onNoMatch = opts.onNoMatch || this.onError.bind(null, { status: 404 });
		this.attach = (req, res) => setImmediate(this.handler, req, res);
	}

	use(base, ...fns) {
		if (base === '/') {
			super.use(base, fns.map(mount));
		} else if (typeof base === 'function' || base instanceof Polka) {
			super.use('/', [base, ...fns].map(mount));
		} else {
			super.use(base,
				(req, _, next) => {
					if (typeof base === 'string') {
						let len = base.length;
						base.startsWith('/') || len++;
						req.url = req.url.substring(len) || '/';
						req.path = req.path.substring(len) || '/';
					} else {
						req.url = req.url.replace(base, '') || '/';
						req.path = req.path.replace(base, '') || '/';
					}
					if (req.url.charAt(0) !== '/') {
						req.url = '/' + req.url;
					}
					next();
				},
				fns.map(mount),
				(req, _, next) => {
					req.path = req._parsedUrl.pathname;
					req.url = req.path + req._parsedUrl.search;
					next();
				}
			);
		}
		return this; // chainable
	}

	listen() {
		(this.server = this.server || http.createServer()).on('request', this.attach);
		this.server.listen.apply(this.server, arguments);
		return this;
	}

	handler(req, res, next) {
		let info = this.parse(req), path = info.pathname;
		let obj = this.find(req.method, req.path=path);

		req.url = path + info.search;
		req.originalUrl = req.originalUrl || req.url;
		req.query = info.query || {};
		req.search = info.search;
		req.params = obj.params;

		if (path.length > 1 && path.indexOf('%', 1) !== -1) {
			for (let k in req.params) {
				try { req.params[k] = decodeURIComponent(req.params[k]); }
				catch (e) { /* malform uri segment */ }
			}
		}

		let i=0, arr=obj.handlers.concat(this.onNoMatch), len=arr.length;
		let loop = async () => res.finished || (i < len) && arr[i++](req, res, next);
		(next = next || (err => err ? this.onError(err, req, res, next) : loop().catch(next)))(); // init
	}
}

function polka (opts) {
	return new Polka(opts);
}

function totalist(dir, callback, pre='') {
	dir = resolve$1('.', dir);
	let arr = readdirSync$1(dir);
	let i=0, abs, stats;
	for (; i < arr.length; i++) {
		abs = join(dir, arr[i]);
		stats = statSync$1(abs);
		stats.isDirectory()
			? totalist(abs, callback, join(pre, arr[i]))
			: callback(join(pre, arr[i]), abs, stats);
	}
}

const mimes = {
  "3g2": "video/3gpp2",
  "3gp": "video/3gpp",
  "3gpp": "video/3gpp",
  "3mf": "model/3mf",
  "aac": "audio/aac",
  "ac": "application/pkix-attr-cert",
  "adp": "audio/adpcm",
  "adts": "audio/aac",
  "ai": "application/postscript",
  "aml": "application/automationml-aml+xml",
  "amlx": "application/automationml-amlx+zip",
  "amr": "audio/amr",
  "apng": "image/apng",
  "appcache": "text/cache-manifest",
  "appinstaller": "application/appinstaller",
  "appx": "application/appx",
  "appxbundle": "application/appxbundle",
  "asc": "application/pgp-keys",
  "atom": "application/atom+xml",
  "atomcat": "application/atomcat+xml",
  "atomdeleted": "application/atomdeleted+xml",
  "atomsvc": "application/atomsvc+xml",
  "au": "audio/basic",
  "avci": "image/avci",
  "avcs": "image/avcs",
  "avif": "image/avif",
  "aw": "application/applixware",
  "bdoc": "application/bdoc",
  "bin": "application/octet-stream",
  "bmp": "image/bmp",
  "bpk": "application/octet-stream",
  "btf": "image/prs.btif",
  "btif": "image/prs.btif",
  "buffer": "application/octet-stream",
  "ccxml": "application/ccxml+xml",
  "cdfx": "application/cdfx+xml",
  "cdmia": "application/cdmi-capability",
  "cdmic": "application/cdmi-container",
  "cdmid": "application/cdmi-domain",
  "cdmio": "application/cdmi-object",
  "cdmiq": "application/cdmi-queue",
  "cer": "application/pkix-cert",
  "cgm": "image/cgm",
  "cjs": "application/node",
  "class": "application/java-vm",
  "coffee": "text/coffeescript",
  "conf": "text/plain",
  "cpl": "application/cpl+xml",
  "cpt": "application/mac-compactpro",
  "crl": "application/pkix-crl",
  "css": "text/css",
  "csv": "text/csv",
  "cu": "application/cu-seeme",
  "cwl": "application/cwl",
  "cww": "application/prs.cww",
  "davmount": "application/davmount+xml",
  "dbk": "application/docbook+xml",
  "deb": "application/octet-stream",
  "def": "text/plain",
  "deploy": "application/octet-stream",
  "dib": "image/bmp",
  "disposition-notification": "message/disposition-notification",
  "dist": "application/octet-stream",
  "distz": "application/octet-stream",
  "dll": "application/octet-stream",
  "dmg": "application/octet-stream",
  "dms": "application/octet-stream",
  "doc": "application/msword",
  "dot": "application/msword",
  "dpx": "image/dpx",
  "drle": "image/dicom-rle",
  "dsc": "text/prs.lines.tag",
  "dssc": "application/dssc+der",
  "dtd": "application/xml-dtd",
  "dump": "application/octet-stream",
  "dwd": "application/atsc-dwd+xml",
  "ear": "application/java-archive",
  "ecma": "application/ecmascript",
  "elc": "application/octet-stream",
  "emf": "image/emf",
  "eml": "message/rfc822",
  "emma": "application/emma+xml",
  "emotionml": "application/emotionml+xml",
  "eps": "application/postscript",
  "epub": "application/epub+zip",
  "exe": "application/octet-stream",
  "exi": "application/exi",
  "exp": "application/express",
  "exr": "image/aces",
  "ez": "application/andrew-inset",
  "fdf": "application/fdf",
  "fdt": "application/fdt+xml",
  "fits": "image/fits",
  "g3": "image/g3fax",
  "gbr": "application/rpki-ghostbusters",
  "geojson": "application/geo+json",
  "gif": "image/gif",
  "glb": "model/gltf-binary",
  "gltf": "model/gltf+json",
  "gml": "application/gml+xml",
  "gpx": "application/gpx+xml",
  "gram": "application/srgs",
  "grxml": "application/srgs+xml",
  "gxf": "application/gxf",
  "gz": "application/gzip",
  "h261": "video/h261",
  "h263": "video/h263",
  "h264": "video/h264",
  "heic": "image/heic",
  "heics": "image/heic-sequence",
  "heif": "image/heif",
  "heifs": "image/heif-sequence",
  "hej2": "image/hej2k",
  "held": "application/atsc-held+xml",
  "hjson": "application/hjson",
  "hlp": "application/winhlp",
  "hqx": "application/mac-binhex40",
  "hsj2": "image/hsj2",
  "htm": "text/html",
  "html": "text/html",
  "ics": "text/calendar",
  "ief": "image/ief",
  "ifb": "text/calendar",
  "iges": "model/iges",
  "igs": "model/iges",
  "img": "application/octet-stream",
  "in": "text/plain",
  "ini": "text/plain",
  "ink": "application/inkml+xml",
  "inkml": "application/inkml+xml",
  "ipfix": "application/ipfix",
  "iso": "application/octet-stream",
  "its": "application/its+xml",
  "jade": "text/jade",
  "jar": "application/java-archive",
  "jhc": "image/jphc",
  "jls": "image/jls",
  "jp2": "image/jp2",
  "jpe": "image/jpeg",
  "jpeg": "image/jpeg",
  "jpf": "image/jpx",
  "jpg": "image/jpeg",
  "jpg2": "image/jp2",
  "jpgm": "image/jpm",
  "jpgv": "video/jpeg",
  "jph": "image/jph",
  "jpm": "image/jpm",
  "jpx": "image/jpx",
  "js": "text/javascript",
  "json": "application/json",
  "json5": "application/json5",
  "jsonld": "application/ld+json",
  "jsonml": "application/jsonml+json",
  "jsx": "text/jsx",
  "jt": "model/jt",
  "jxr": "image/jxr",
  "jxra": "image/jxra",
  "jxrs": "image/jxrs",
  "jxs": "image/jxs",
  "jxsc": "image/jxsc",
  "jxsi": "image/jxsi",
  "jxss": "image/jxss",
  "kar": "audio/midi",
  "ktx": "image/ktx",
  "ktx2": "image/ktx2",
  "less": "text/less",
  "lgr": "application/lgr+xml",
  "list": "text/plain",
  "litcoffee": "text/coffeescript",
  "log": "text/plain",
  "lostxml": "application/lost+xml",
  "lrf": "application/octet-stream",
  "m1v": "video/mpeg",
  "m21": "application/mp21",
  "m2a": "audio/mpeg",
  "m2v": "video/mpeg",
  "m3a": "audio/mpeg",
  "m4a": "audio/mp4",
  "m4p": "application/mp4",
  "m4s": "video/iso.segment",
  "ma": "application/mathematica",
  "mads": "application/mads+xml",
  "maei": "application/mmt-aei+xml",
  "man": "text/troff",
  "manifest": "text/cache-manifest",
  "map": "application/json",
  "mar": "application/octet-stream",
  "markdown": "text/markdown",
  "mathml": "application/mathml+xml",
  "mb": "application/mathematica",
  "mbox": "application/mbox",
  "md": "text/markdown",
  "mdx": "text/mdx",
  "me": "text/troff",
  "mesh": "model/mesh",
  "meta4": "application/metalink4+xml",
  "metalink": "application/metalink+xml",
  "mets": "application/mets+xml",
  "mft": "application/rpki-manifest",
  "mid": "audio/midi",
  "midi": "audio/midi",
  "mime": "message/rfc822",
  "mj2": "video/mj2",
  "mjp2": "video/mj2",
  "mjs": "text/javascript",
  "mml": "text/mathml",
  "mods": "application/mods+xml",
  "mov": "video/quicktime",
  "mp2": "audio/mpeg",
  "mp21": "application/mp21",
  "mp2a": "audio/mpeg",
  "mp3": "audio/mpeg",
  "mp4": "video/mp4",
  "mp4a": "audio/mp4",
  "mp4s": "application/mp4",
  "mp4v": "video/mp4",
  "mpd": "application/dash+xml",
  "mpe": "video/mpeg",
  "mpeg": "video/mpeg",
  "mpf": "application/media-policy-dataset+xml",
  "mpg": "video/mpeg",
  "mpg4": "video/mp4",
  "mpga": "audio/mpeg",
  "mpp": "application/dash-patch+xml",
  "mrc": "application/marc",
  "mrcx": "application/marcxml+xml",
  "ms": "text/troff",
  "mscml": "application/mediaservercontrol+xml",
  "msh": "model/mesh",
  "msi": "application/octet-stream",
  "msix": "application/msix",
  "msixbundle": "application/msixbundle",
  "msm": "application/octet-stream",
  "msp": "application/octet-stream",
  "mtl": "model/mtl",
  "musd": "application/mmt-usd+xml",
  "mxf": "application/mxf",
  "mxmf": "audio/mobile-xmf",
  "mxml": "application/xv+xml",
  "n3": "text/n3",
  "nb": "application/mathematica",
  "nq": "application/n-quads",
  "nt": "application/n-triples",
  "obj": "model/obj",
  "oda": "application/oda",
  "oga": "audio/ogg",
  "ogg": "audio/ogg",
  "ogv": "video/ogg",
  "ogx": "application/ogg",
  "omdoc": "application/omdoc+xml",
  "onepkg": "application/onenote",
  "onetmp": "application/onenote",
  "onetoc": "application/onenote",
  "onetoc2": "application/onenote",
  "opf": "application/oebps-package+xml",
  "opus": "audio/ogg",
  "otf": "font/otf",
  "owl": "application/rdf+xml",
  "oxps": "application/oxps",
  "p10": "application/pkcs10",
  "p7c": "application/pkcs7-mime",
  "p7m": "application/pkcs7-mime",
  "p7s": "application/pkcs7-signature",
  "p8": "application/pkcs8",
  "pdf": "application/pdf",
  "pfr": "application/font-tdpfr",
  "pgp": "application/pgp-encrypted",
  "pkg": "application/octet-stream",
  "pki": "application/pkixcmp",
  "pkipath": "application/pkix-pkipath",
  "pls": "application/pls+xml",
  "png": "image/png",
  "prc": "model/prc",
  "prf": "application/pics-rules",
  "provx": "application/provenance+xml",
  "ps": "application/postscript",
  "pskcxml": "application/pskc+xml",
  "pti": "image/prs.pti",
  "qt": "video/quicktime",
  "raml": "application/raml+yaml",
  "rapd": "application/route-apd+xml",
  "rdf": "application/rdf+xml",
  "relo": "application/p2p-overlay+xml",
  "rif": "application/reginfo+xml",
  "rl": "application/resource-lists+xml",
  "rld": "application/resource-lists-diff+xml",
  "rmi": "audio/midi",
  "rnc": "application/relax-ng-compact-syntax",
  "rng": "application/xml",
  "roa": "application/rpki-roa",
  "roff": "text/troff",
  "rq": "application/sparql-query",
  "rs": "application/rls-services+xml",
  "rsat": "application/atsc-rsat+xml",
  "rsd": "application/rsd+xml",
  "rsheet": "application/urc-ressheet+xml",
  "rss": "application/rss+xml",
  "rtf": "text/rtf",
  "rtx": "text/richtext",
  "rusd": "application/route-usd+xml",
  "s3m": "audio/s3m",
  "sbml": "application/sbml+xml",
  "scq": "application/scvp-cv-request",
  "scs": "application/scvp-cv-response",
  "sdp": "application/sdp",
  "senmlx": "application/senml+xml",
  "sensmlx": "application/sensml+xml",
  "ser": "application/java-serialized-object",
  "setpay": "application/set-payment-initiation",
  "setreg": "application/set-registration-initiation",
  "sgi": "image/sgi",
  "sgm": "text/sgml",
  "sgml": "text/sgml",
  "shex": "text/shex",
  "shf": "application/shf+xml",
  "shtml": "text/html",
  "sieve": "application/sieve",
  "sig": "application/pgp-signature",
  "sil": "audio/silk",
  "silo": "model/mesh",
  "siv": "application/sieve",
  "slim": "text/slim",
  "slm": "text/slim",
  "sls": "application/route-s-tsid+xml",
  "smi": "application/smil+xml",
  "smil": "application/smil+xml",
  "snd": "audio/basic",
  "so": "application/octet-stream",
  "spdx": "text/spdx",
  "spp": "application/scvp-vp-response",
  "spq": "application/scvp-vp-request",
  "spx": "audio/ogg",
  "sql": "application/sql",
  "sru": "application/sru+xml",
  "srx": "application/sparql-results+xml",
  "ssdl": "application/ssdl+xml",
  "ssml": "application/ssml+xml",
  "stk": "application/hyperstudio",
  "stl": "model/stl",
  "stpx": "model/step+xml",
  "stpxz": "model/step-xml+zip",
  "stpz": "model/step+zip",
  "styl": "text/stylus",
  "stylus": "text/stylus",
  "svg": "image/svg+xml",
  "svgz": "image/svg+xml",
  "swidtag": "application/swid+xml",
  "t": "text/troff",
  "t38": "image/t38",
  "td": "application/urc-targetdesc+xml",
  "tei": "application/tei+xml",
  "teicorpus": "application/tei+xml",
  "text": "text/plain",
  "tfi": "application/thraud+xml",
  "tfx": "image/tiff-fx",
  "tif": "image/tiff",
  "tiff": "image/tiff",
  "toml": "application/toml",
  "tr": "text/troff",
  "trig": "application/trig",
  "ts": "video/mp2t",
  "tsd": "application/timestamped-data",
  "tsv": "text/tab-separated-values",
  "ttc": "font/collection",
  "ttf": "font/ttf",
  "ttl": "text/turtle",
  "ttml": "application/ttml+xml",
  "txt": "text/plain",
  "u3d": "model/u3d",
  "u8dsn": "message/global-delivery-status",
  "u8hdr": "message/global-headers",
  "u8mdn": "message/global-disposition-notification",
  "u8msg": "message/global",
  "ubj": "application/ubjson",
  "uri": "text/uri-list",
  "uris": "text/uri-list",
  "urls": "text/uri-list",
  "vcard": "text/vcard",
  "vrml": "model/vrml",
  "vtt": "text/vtt",
  "vxml": "application/voicexml+xml",
  "war": "application/java-archive",
  "wasm": "application/wasm",
  "wav": "audio/wav",
  "weba": "audio/webm",
  "webm": "video/webm",
  "webmanifest": "application/manifest+json",
  "webp": "image/webp",
  "wgsl": "text/wgsl",
  "wgt": "application/widget",
  "wif": "application/watcherinfo+xml",
  "wmf": "image/wmf",
  "woff": "font/woff",
  "woff2": "font/woff2",
  "wrl": "model/vrml",
  "wsdl": "application/wsdl+xml",
  "wspolicy": "application/wspolicy+xml",
  "x3d": "model/x3d+xml",
  "x3db": "model/x3d+fastinfoset",
  "x3dbz": "model/x3d+binary",
  "x3dv": "model/x3d-vrml",
  "x3dvz": "model/x3d+vrml",
  "x3dz": "model/x3d+xml",
  "xaml": "application/xaml+xml",
  "xav": "application/xcap-att+xml",
  "xca": "application/xcap-caps+xml",
  "xcs": "application/calendar+xml",
  "xdf": "application/xcap-diff+xml",
  "xdssc": "application/dssc+xml",
  "xel": "application/xcap-el+xml",
  "xenc": "application/xenc+xml",
  "xer": "application/patch-ops-error+xml",
  "xfdf": "application/xfdf",
  "xht": "application/xhtml+xml",
  "xhtml": "application/xhtml+xml",
  "xhvml": "application/xv+xml",
  "xlf": "application/xliff+xml",
  "xm": "audio/xm",
  "xml": "text/xml",
  "xns": "application/xcap-ns+xml",
  "xop": "application/xop+xml",
  "xpl": "application/xproc+xml",
  "xsd": "application/xml",
  "xsf": "application/prs.xsf+xml",
  "xsl": "application/xml",
  "xslt": "application/xml",
  "xspf": "application/xspf+xml",
  "xvm": "application/xv+xml",
  "xvml": "application/xv+xml",
  "yaml": "text/yaml",
  "yang": "application/yang",
  "yin": "application/yin+xml",
  "yml": "text/yaml",
  "zip": "application/zip"
};

function lookup(extn) {
	let tmp = ('' + extn).trim().toLowerCase();
	let idx = tmp.lastIndexOf('.');
	return mimes[!~idx ? tmp : tmp.substring(++idx)];
}

const noop = () => {};

function isMatch(uri, arr) {
	for (let i=0; i < arr.length; i++) {
		if (arr[i].test(uri)) return true;
	}
}

function toAssume(uri, extns) {
	let i=0, x, len=uri.length - 1;
	if (uri.charCodeAt(len) === 47) {
		uri = uri.substring(0, len);
	}

	let arr=[], tmp=`${uri}/index`;
	for (; i < extns.length; i++) {
		x = extns[i] ? `.${extns[i]}` : '';
		if (uri) arr.push(uri + x);
		arr.push(tmp + x);
	}

	return arr;
}

function viaCache(cache, uri, extns) {
	let i=0, data, arr=toAssume(uri, extns);
	for (; i < arr.length; i++) {
		if (data = cache[arr[i]]) return data;
	}
}

function viaLocal(dir, isEtag, uri, extns) {
	let i=0, arr=toAssume(uri, extns);
	let abs, stats, name, headers;
	for (; i < arr.length; i++) {
		abs = normalize$3(join(dir, name=arr[i]));
		if (abs.startsWith(dir) && fs$t.existsSync(abs)) {
			stats = fs$t.statSync(abs);
			if (stats.isDirectory()) continue;
			headers = toHeaders(name, stats, isEtag);
			headers['Cache-Control'] = isEtag ? 'no-cache' : 'no-store';
			return { abs, stats, headers };
		}
	}
}

function is404(req, res) {
	return (res.statusCode=404,res.end());
}

function send(req, res, file, stats, headers) {
	let code=200, tmp, opts={};
	headers = { ...headers };

	for (let key in headers) {
		tmp = res.getHeader(key);
		if (tmp) headers[key] = tmp;
	}

	if (tmp = res.getHeader('content-type')) {
		headers['Content-Type'] = tmp;
	}

	if (req.headers.range) {
		code = 206;
		let [x, y] = req.headers.range.replace('bytes=', '').split('-');
		let end = opts.end = parseInt(y, 10) || stats.size - 1;
		let start = opts.start = parseInt(x, 10) || 0;

		if (end >= stats.size) {
			end = stats.size - 1;
		}

		if (start >= stats.size) {
			res.setHeader('Content-Range', `bytes */${stats.size}`);
			res.statusCode = 416;
			return res.end();
		}

		headers['Content-Range'] = `bytes ${start}-${end}/${stats.size}`;
		headers['Content-Length'] = (end - start + 1);
		headers['Accept-Ranges'] = 'bytes';
	}

	res.writeHead(code, headers);
	fs$t.createReadStream(file, opts).pipe(res);
}

const ENCODING = {
	'.br': 'br',
	'.gz': 'gzip',
};

function toHeaders(name, stats, isEtag) {
	let enc = ENCODING[name.slice(-3)];

	let ctype = lookup(name.slice(0, enc && -3)) || '';
	if (ctype === 'text/html') ctype += ';charset=utf-8';

	let headers = {
		'Content-Length': stats.size,
		'Content-Type': ctype,
		'Last-Modified': stats.mtime.toUTCString(),
	};

	if (enc) headers['Content-Encoding'] = enc;
	if (isEtag) headers['ETag'] = `W/"${stats.size}-${stats.mtime.getTime()}"`;

	return headers;
}

function sirv (dir, opts={}) {
	dir = resolve$1(dir || '.');

	let isNotFound = opts.onNoMatch || is404;
	let setHeaders = opts.setHeaders || noop;

	let extensions = opts.extensions || ['html', 'htm'];
	let gzips = opts.gzip && extensions.map(x => `${x}.gz`).concat('gz');
	let brots = opts.brotli && extensions.map(x => `${x}.br`).concat('br');

	const FILES = {};

	let fallback = '/';
	let isEtag = !!opts.etag;
	let isSPA = !!opts.single;
	if (typeof opts.single === 'string') {
		let idx = opts.single.lastIndexOf('.');
		fallback += !!~idx ? opts.single.substring(0, idx) : opts.single;
	}

	let ignores = [];
	if (opts.ignores !== false) {
		ignores.push(/[/]([A-Za-z\s\d~$._-]+\.\w+){1,}$/); // any extn
		if (opts.dotfiles) ignores.push(/\/\.\w/);
		else ignores.push(/\/\.well-known/);
		[].concat(opts.ignores || []).forEach(x => {
			ignores.push(new RegExp(x, 'i'));
		});
	}

	let cc = opts.maxAge != null && `public,max-age=${opts.maxAge}`;
	if (cc && opts.immutable) cc += ',immutable';
	else if (cc && opts.maxAge === 0) cc += ',must-revalidate';

	if (!opts.dev) {
		totalist(dir, (name, abs, stats) => {
			if (/\.well-known[\\+\/]/.test(name)) ; // keep
			else if (!opts.dotfiles && /(^\.|[\\+|\/+]\.)/.test(name)) return;

			let headers = toHeaders(name, stats, isEtag);
			if (cc) headers['Cache-Control'] = cc;

			FILES['/' + name.normalize().replace(/\\+/g, '/')] = { abs, stats, headers };
		});
	}

	let lookup = opts.dev ? viaLocal.bind(0, dir, isEtag) : viaCache.bind(0, FILES);

	return function (req, res, next) {
		let extns = [''];
		let pathname = parse(req).pathname;
		let val = req.headers['accept-encoding'] || '';
		if (gzips && val.includes('gzip')) extns.unshift(...gzips);
		if (brots && /(br|brotli)/i.test(val)) extns.unshift(...brots);
		extns.push(...extensions); // [...br, ...gz, orig, ...exts]

		if (pathname.indexOf('%') !== -1) {
			try { pathname = decodeURI(pathname); }
			catch (err) { /* malform uri */ }
		}

		let data = lookup(pathname, extns) || isSPA && !isMatch(pathname, ignores) && lookup(fallback, extns);
		if (!data) return next ? next() : isNotFound(req, res);

		if (isEtag && req.headers['if-none-match'] === data.headers['ETag']) {
			res.writeHead(304);
			return res.end();
		}

		if (gzips || brots) {
			res.setHeader('Vary', 'Accept-Encoding');
		}

		setHeaders(res, pathname, data.stats);
		send(req, res, data.abs, data.stats, data.headers);
	};
}

function trimChar(str, char) {
  while (str.charAt(0) === char) {
    str = str.substring(1);
  }
  while (str.charAt(str.length - 1) === char) {
    str = str.substring(0, str.length - 1);
  }
  return str;
}
async function serve(options = {}) {
  const port = options.port ?? 4173;
  const config = await resolveConfig(options.root, "serve", "production");
  const base = trimChar(options?.base ?? config?.site?.base ?? "", "/");
  const notAnAsset = (pathname) => !pathname.includes(`/${config.assetsDir}/`);
  const notFound = fs$a.readFileSync(path$q.resolve(config.outDir, "./404.html"));
  const onNoMatch = (req, res) => {
    res.statusCode = 404;
    if (notAnAsset(req.path))
      res.write(notFound.toString());
    res.end();
  };
  const compress = compression({ brotli: true });
  const serve2 = sirv(config.outDir, {
    etag: true,
    maxAge: 31536e3,
    immutable: true,
    setHeaders(res, pathname) {
      if (notAnAsset(pathname)) {
        res.setHeader("cache-control", "no-cache");
      }
    }
  });
  if (base) {
    return polka({ onNoMatch }).use(base, compress, serve2).listen(port, () => {
      config.logger.info(
        `Built site served at http://localhost:${port}/${base}/`
      );
    });
  } else {
    return polka({ onNoMatch }).use(compress, serve2).listen(port, () => {
      config.logger.info(`Built site served at http://localhost:${port}/`);
    });
  }
}

async function createServer(root = process.cwd(), serverOptions = {}, recreateServer) {
  const config = await resolveConfig(root);
  if (serverOptions.base) {
    config.site.base = serverOptions.base;
    delete serverOptions.base;
  }
  return createServer$1({
    root: config.srcDir,
    base: config.site.base,
    cacheDir: config.cacheDir,
    plugins: await createVitePressPlugin(config, false, {}, {}, recreateServer),
    server: serverOptions,
    customLogger: config.logger,
    configFile: config.vite?.configFile
  });
}

export { ScaffoldThemeType as S, getDefaultExportFromCjs as a, build as b, createMarkdownRenderer as c, defineLoader as d, defineConfig as e, fs$a as f, glob as g, defineConfigWithTheme as h, resolveUserConfig as i, mergeConfig as j, resolveSiteData as k, resolvePages as l, matter$1 as m, init as n, serve as o, createServer as p, c$1 as q, resolveConfig as r, scaffold as s, clearCache as t, version as v };