/**
 * @cypress/vue2 v0.0.0-development
 * (c) 2024 Cypress.io
 * Released under the MIT License
 */

import Vue from 'vue';

var commonjsGlobal$1 = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function createCommonjsModule$1(fn) {
  var module = { exports: {} };
	return fn(module, module.exports), module.exports;
}

var splitRE$1 = /\r?\n/g;
var emptyRE = /^\s*$/;
var needFixRE = /^(\r?\n)*[\t\s]/;

var deIndent = function deindent (str) {
  if (!needFixRE.test(str)) {
    return str
  }
  var lines = str.split(splitRE$1);
  var min = Infinity;
  var type, cur, c;
  for (var i = 0; i < lines.length; i++) {
    var line = lines[i];
    if (!emptyRE.test(line)) {
      if (!type) {
        c = line.charAt(0);
        if (c === ' ' || c === '\t') {
          type = c;
          cur = count(line, type);
          if (cur < min) {
            min = cur;
          }
        } else {
          return str
        }
      } else {
        cur = count(line, type);
        if (cur < min) {
          min = cur;
        }
      }
    }
  }
  return lines.map(function (line) {
    return line.slice(min)
  }).join('\n')
};

function count (line, type) {
  var i = 0;
  while (line.charAt(i) === type) {
    i++;
  }
  return i
}

/*! https://mths.be/he v1.2.0 by @mathias | MIT license */

var he$1 = createCommonjsModule$1(function (module, exports) {
(function(root) {

	// Detect free variables `exports`.
	var freeExports = exports;

	// Detect free variable `module`.
	var freeModule = module &&
		module.exports == freeExports && module;

	// Detect free variable `global`, from Node.js or Browserified code,
	// and use it as `root`.
	var freeGlobal = typeof commonjsGlobal$1 == 'object' && commonjsGlobal$1;
	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
		root = freeGlobal;
	}

	/*--------------------------------------------------------------------------*/

	// All astral symbols.
	var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
	// All ASCII symbols (not just printable ASCII) except those listed in the
	// first column of the overrides table.
	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides
	var regexAsciiWhitelist = /[\x01-\x7F]/g;
	// All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
	// code points listed in the first column of the overrides table on
	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.
	var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;

	var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
	var encodeMap = 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','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'};

	var regexEscape = /["&'<>`]/g;
	var escapeMap = {
		'"': '&quot;',
		'&': '&amp;',
		'\'': '&#x27;',
		'<': '&lt;',
		// See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
		// following is not strictly necessary unless it’s part of a tag or an
		// unquoted attribute value. We’re only escaping it to support those
		// situations, and for XML support.
		'>': '&gt;',
		// In Internet Explorer ≤ 8, the backtick character can be used
		// to break out of (un)quoted attribute values or HTML comments.
		// See http://html5sec.org/#102, http://html5sec.org/#108, and
		// http://html5sec.org/#133.
		'`': '&#x60;'
	};

	var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
	var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
	var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g;
	var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'};
	var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'};
	var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'};
	var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111];

	/*--------------------------------------------------------------------------*/

	var stringFromCharCode = String.fromCharCode;

	var object = {};
	var hasOwnProperty = object.hasOwnProperty;
	var has = function(object, propertyName) {
		return hasOwnProperty.call(object, propertyName);
	};

	var contains = function(array, value) {
		var index = -1;
		var length = array.length;
		while (++index < length) {
			if (array[index] == value) {
				return true;
			}
		}
		return false;
	};

	var merge = function(options, defaults) {
		if (!options) {
			return defaults;
		}
		var result = {};
		var key;
		for (key in defaults) {
			// A `hasOwnProperty` check is not needed here, since only recognized
			// option names are used anyway. Any others are ignored.
			result[key] = has(options, key) ? options[key] : defaults[key];
		}
		return result;
	};

	// Modified version of `ucs2encode`; see https://mths.be/punycode.
	var codePointToSymbol = function(codePoint, strict) {
		var output = '';
		if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) {
			// See issue #4:
			// “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
			// greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
			// REPLACEMENT CHARACTER.”
			if (strict) {
				parseError('character reference outside the permissible Unicode range');
			}
			return '\uFFFD';
		}
		if (has(decodeMapNumeric, codePoint)) {
			if (strict) {
				parseError('disallowed character reference');
			}
			return decodeMapNumeric[codePoint];
		}
		if (strict && contains(invalidReferenceCodePoints, codePoint)) {
			parseError('disallowed character reference');
		}
		if (codePoint > 0xFFFF) {
			codePoint -= 0x10000;
			output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
			codePoint = 0xDC00 | codePoint & 0x3FF;
		}
		output += stringFromCharCode(codePoint);
		return output;
	};

	var hexEscape = function(codePoint) {
		return '&#x' + codePoint.toString(16).toUpperCase() + ';';
	};

	var decEscape = function(codePoint) {
		return '&#' + codePoint + ';';
	};

	var parseError = function(message) {
		throw Error('Parse error: ' + message);
	};

	/*--------------------------------------------------------------------------*/

	var encode = function(string, options) {
		options = merge(options, encode.options);
		var strict = options.strict;
		if (strict && regexInvalidRawCodePoint.test(string)) {
			parseError('forbidden code point');
		}
		var encodeEverything = options.encodeEverything;
		var useNamedReferences = options.useNamedReferences;
		var allowUnsafeSymbols = options.allowUnsafeSymbols;
		var escapeCodePoint = options.decimal ? decEscape : hexEscape;

		var escapeBmpSymbol = function(symbol) {
			return escapeCodePoint(symbol.charCodeAt(0));
		};

		if (encodeEverything) {
			// Encode ASCII symbols.
			string = string.replace(regexAsciiWhitelist, function(symbol) {
				// Use named references if requested & possible.
				if (useNamedReferences && has(encodeMap, symbol)) {
					return '&' + encodeMap[symbol] + ';';
				}
				return escapeBmpSymbol(symbol);
			});
			// Shorten a few escapes that represent two symbols, of which at least one
			// is within the ASCII range.
			if (useNamedReferences) {
				string = string
					.replace(/&gt;\u20D2/g, '&nvgt;')
					.replace(/&lt;\u20D2/g, '&nvlt;')
					.replace(/&#x66;&#x6A;/g, '&fjlig;');
			}
			// Encode non-ASCII symbols.
			if (useNamedReferences) {
				// Encode non-ASCII symbols that can be replaced with a named reference.
				string = string.replace(regexEncodeNonAscii, function(string) {
					// Note: there is no need to check `has(encodeMap, string)` here.
					return '&' + encodeMap[string] + ';';
				});
			}
			// Note: any remaining non-ASCII symbols are handled outside of the `if`.
		} else if (useNamedReferences) {
			// Apply named character references.
			// Encode `<>"'&` using named character references.
			if (!allowUnsafeSymbols) {
				string = string.replace(regexEscape, function(string) {
					return '&' + encodeMap[string] + ';'; // no need to check `has()` here
				});
			}
			// Shorten escapes that represent two symbols, of which at least one is
			// `<>"'&`.
			string = string
				.replace(/&gt;\u20D2/g, '&nvgt;')
				.replace(/&lt;\u20D2/g, '&nvlt;');
			// Encode non-ASCII symbols that can be replaced with a named reference.
			string = string.replace(regexEncodeNonAscii, function(string) {
				// Note: there is no need to check `has(encodeMap, string)` here.
				return '&' + encodeMap[string] + ';';
			});
		} else if (!allowUnsafeSymbols) {
			// Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
			// using named character references.
			string = string.replace(regexEscape, escapeBmpSymbol);
		}
		return string
			// Encode astral symbols.
			.replace(regexAstralSymbols, function($0) {
				// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
				var high = $0.charCodeAt(0);
				var low = $0.charCodeAt(1);
				var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
				return escapeCodePoint(codePoint);
			})
			// Encode any remaining BMP symbols that are not printable ASCII symbols
			// using a hexadecimal escape.
			.replace(regexBmpWhitelist, escapeBmpSymbol);
	};
	// Expose default options (so they can be overridden globally).
	encode.options = {
		'allowUnsafeSymbols': false,
		'encodeEverything': false,
		'strict': false,
		'useNamedReferences': false,
		'decimal' : false
	};

	var decode = function(html, options) {
		options = merge(options, decode.options);
		var strict = options.strict;
		if (strict && regexInvalidEntity.test(html)) {
			parseError('malformed character reference');
		}
		return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
			var codePoint;
			var semicolon;
			var decDigits;
			var hexDigits;
			var reference;
			var next;

			if ($1) {
				reference = $1;
				// Note: there is no need to check `has(decodeMap, reference)`.
				return decodeMap[reference];
			}

			if ($2) {
				// Decode named character references without trailing `;`, e.g. `&amp`.
				// This is only a parse error if it gets converted to `&`, or if it is
				// followed by `=` in an attribute context.
				reference = $2;
				next = $3;
				if (next && options.isAttributeValue) {
					if (strict && next == '=') {
						parseError('`&` did not start a character reference');
					}
					return $0;
				} else {
					if (strict) {
						parseError(
							'named character reference was not terminated by a semicolon'
						);
					}
					// Note: there is no need to check `has(decodeMapLegacy, reference)`.
					return decodeMapLegacy[reference] + (next || '');
				}
			}

			if ($4) {
				// Decode decimal escapes, e.g. `&#119558;`.
				decDigits = $4;
				semicolon = $5;
				if (strict && !semicolon) {
					parseError('character reference was not terminated by a semicolon');
				}
				codePoint = parseInt(decDigits, 10);
				return codePointToSymbol(codePoint, strict);
			}

			if ($6) {
				// Decode hexadecimal escapes, e.g. `&#x1D306;`.
				hexDigits = $6;
				semicolon = $7;
				if (strict && !semicolon) {
					parseError('character reference was not terminated by a semicolon');
				}
				codePoint = parseInt(hexDigits, 16);
				return codePointToSymbol(codePoint, strict);
			}

			// If we’re still here, `if ($7)` is implied; it’s an ambiguous
			// ampersand for sure. https://mths.be/notes/ambiguous-ampersands
			if (strict) {
				parseError(
					'named character reference was not terminated by a semicolon'
				);
			}
			return $0;
		});
	};
	// Expose default options (so they can be overridden globally).
	decode.options = {
		'isAttributeValue': false,
		'strict': false
	};

	var escape = function(string) {
		return string.replace(regexEscape, function($0) {
			// Note: there is no need to check `has(escapeMap, $0)` here.
			return escapeMap[$0];
		});
	};

	/*--------------------------------------------------------------------------*/

	var he = {
		'version': '1.2.0',
		'encode': encode,
		'decode': decode,
		'escape': escape,
		'unescape': decode
	};

	// Some AMD build optimizers, like r.js, check for specific condition patterns
	// like the following:
	if (freeExports && !freeExports.nodeType) {
		if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+
			freeModule.exports = he;
		} else { // in Narwhal or RingoJS v0.7.0-
			for (var key in he) {
				has(he, key) && (freeExports[key] = he[key]);
			}
		}
	} else { // in Rhino or a web browser
		root.he = he;
	}

}(commonjsGlobal$1));
});

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var deindent = _interopDefault(deIndent);
var he = _interopDefault(he$1);

/*  */

var emptyObject = Object.freeze({});

// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
  return v === undefined || v === null
}

/**
 * Check if value is primitive.
 */
function isPrimitive (value) {
  return (
    typeof value === 'string' ||
    typeof value === 'number' ||
    // $flow-disable-line
    typeof value === 'symbol' ||
    typeof value === 'boolean'
  )
}

/**
 * Quick object check - this is primarily used to tell
 * Objects from primitive values when we know the value
 * is a JSON-compliant type.
 */
function isObject$1 (obj) {
  return obj !== null && typeof obj === 'object'
}

/**
 * Get the raw type string of a value, e.g., [object Object].
 */
var _toString = Object.prototype.toString;

function toRawType (value) {
  return _toString.call(value).slice(8, -1)
}

/**
 * Strict object type check. Only returns true
 * for plain JavaScript objects.
 */
function isPlainObject$1 (obj) {
  return _toString.call(obj) === '[object Object]'
}

/**
 * Check if val is a valid array index.
 */
function isValidArrayIndex (val) {
  var n = parseFloat(String(val));
  return n >= 0 && Math.floor(n) === n && isFinite(val)
}

/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */
function makeMap$1 (
  str,
  expectsLowerCase
) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function (val) { return map[val.toLowerCase()]; }
    : function (val) { return map[val]; }
}

/**
 * Check if a tag is a built-in tag.
 */
var isBuiltInTag = makeMap$1('slot,component', true);

/**
 * Check if an attribute is a reserved attribute.
 */
makeMap$1('key,ref,slot,slot-scope,is');

/**
 * Remove an item from an array.
 */
function remove (arr, item) {
  if (arr.length) {
    var index = arr.indexOf(item);
    if (index > -1) {
      return arr.splice(index, 1)
    }
  }
}

/**
 * Check whether an object has the property.
 */
var hasOwnProperty$b = Object.prototype.hasOwnProperty;
function hasOwn$1 (obj, key) {
  return hasOwnProperty$b.call(obj, key)
}

/**
 * Create a cached version of a pure function.
 */
function cached$1 (fn) {
  var cache = Object.create(null);
  return (function cachedFn (str) {
    var hit = cache[str];
    return hit || (cache[str] = fn(str))
  })
}

/**
 * Camelize a hyphen-delimited string.
 */
var camelizeRE$1 = /-(\w)/g;
var camelize$1 = cached$1(function (str) {
  return str.replace(camelizeRE$1, function (_, c) { return c ? c.toUpperCase() : ''; })
});

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE$1 = /\B([A-Z])/g;
var hyphenate$1 = cached$1(function (str) {
  return str.replace(hyphenateRE$1, '-$1').toLowerCase()
});

/**
 * Mix properties into target object.
 */
function extend$1 (to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }
  return to
}

/* eslint-disable no-unused-vars */

/**
 * Perform no operation.
 * Stubbing args to make Flow happy without leaving useless transpiled code
 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
 */
function noop (a, b, c) {}

/**
 * Always return false.
 */
var no = function (a, b, c) { return false; };

/* eslint-enable no-unused-vars */

/**
 * Return the same value.
 */
var identity = function (_) { return _; };

/**
 * Generate a string containing static keys from compiler modules.
 */
function genStaticKeys (modules) {
  return modules.reduce(function (keys, m) {
    return keys.concat(m.staticKeys || [])
  }, []).join(',')
}

/*  */

var isUnaryTag = makeMap$1(
  'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
  'link,meta,param,source,track,wbr'
);

// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap$1(
  'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);

// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap$1(
  'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
  'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
  'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
  'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
  'title,tr,track'
);

/*  */

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */
var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;

/**
 * Define a property.
 */
function def (obj, key, val, enumerable) {
  Object.defineProperty(obj, key, {
    value: val,
    enumerable: !!enumerable,
    writable: true,
    configurable: true
  });
}

/**
 * Not type-checking this file because it's mostly vendor code.
 */

// Regular Expressions for parsing tags and attributes
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
var startTagOpen = new RegExp(("^<" + qnameCapture));
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
var doctype = /^<!DOCTYPE [^>]+>/i;
// #7298: escape - to avoid being passed as HTML comment when inlined in page
var comment = /^<!\--/;
var conditionalComment = /^<!\[/;

// Special Elements (can contain anything)
var isPlainTextElement = makeMap$1('script,style,textarea', true);
var reCache = {};

var decodingMap = {
  '&lt;': '<',
  '&gt;': '>',
  '&quot;': '"',
  '&amp;': '&',
  '&#10;': '\n',
  '&#9;': '\t',
  '&#39;': "'"
};
var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;

// #5992
var isIgnoreNewlineTag = makeMap$1('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };

function decodeAttr (value, shouldDecodeNewlines) {
  var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
  return value.replace(re, function (match) { return decodingMap[match]; })
}

function parseHTML (html, options) {
  var stack = [];
  var expectHTML = options.expectHTML;
  var isUnaryTag$$1 = options.isUnaryTag || no;
  var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
  var index = 0;
  var last, lastTag;
  while (html) {
    last = html;
    // Make sure we're not in a plaintext content element like script/style
    if (!lastTag || !isPlainTextElement(lastTag)) {
      var textEnd = html.indexOf('<');
      if (textEnd === 0) {
        // Comment:
        if (comment.test(html)) {
          var commentEnd = html.indexOf('-->');

          if (commentEnd >= 0) {
            if (options.shouldKeepComment) {
              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
            }
            advance(commentEnd + 3);
            continue
          }
        }

        // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
        if (conditionalComment.test(html)) {
          var conditionalEnd = html.indexOf(']>');

          if (conditionalEnd >= 0) {
            advance(conditionalEnd + 2);
            continue
          }
        }

        // Doctype:
        var doctypeMatch = html.match(doctype);
        if (doctypeMatch) {
          advance(doctypeMatch[0].length);
          continue
        }

        // End tag:
        var endTagMatch = html.match(endTag);
        if (endTagMatch) {
          var curIndex = index;
          advance(endTagMatch[0].length);
          parseEndTag(endTagMatch[1], curIndex, index);
          continue
        }

        // Start tag:
        var startTagMatch = parseStartTag();
        if (startTagMatch) {
          handleStartTag(startTagMatch);
          if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
            advance(1);
          }
          continue
        }
      }

      var text = (void 0), rest = (void 0), next = (void 0);
      if (textEnd >= 0) {
        rest = html.slice(textEnd);
        while (
          !endTag.test(rest) &&
          !startTagOpen.test(rest) &&
          !comment.test(rest) &&
          !conditionalComment.test(rest)
        ) {
          // < in plain text, be forgiving and treat it as text
          next = rest.indexOf('<', 1);
          if (next < 0) { break }
          textEnd += next;
          rest = html.slice(textEnd);
        }
        text = html.substring(0, textEnd);
      }

      if (textEnd < 0) {
        text = html;
      }

      if (text) {
        advance(text.length);
      }

      if (options.chars && text) {
        options.chars(text, index - text.length, index);
      }
    } else {
      var endTagLength = 0;
      var stackedTag = lastTag.toLowerCase();
      var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
      var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
        endTagLength = endTag.length;
        if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
          text = text
            .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
            .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
        }
        if (shouldIgnoreFirstNewline(stackedTag, text)) {
          text = text.slice(1);
        }
        if (options.chars) {
          options.chars(text);
        }
        return ''
      });
      index += html.length - rest$1.length;
      html = rest$1;
      parseEndTag(stackedTag, index - endTagLength, index);
    }

    if (html === last) {
      options.chars && options.chars(html);
      if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
        options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
      }
      break
    }
  }

  // Clean up any remaining tags
  parseEndTag();

  function advance (n) {
    index += n;
    html = html.substring(n);
  }

  function parseStartTag () {
    var start = html.match(startTagOpen);
    if (start) {
      var match = {
        tagName: start[1],
        attrs: [],
        start: index
      };
      advance(start[0].length);
      var end, attr;
      while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
        attr.start = index;
        advance(attr[0].length);
        attr.end = index;
        match.attrs.push(attr);
      }
      if (end) {
        match.unarySlash = end[1];
        advance(end[0].length);
        match.end = index;
        return match
      }
    }
  }

  function handleStartTag (match) {
    var tagName = match.tagName;
    var unarySlash = match.unarySlash;

    if (expectHTML) {
      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
        parseEndTag(lastTag);
      }
      if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
        parseEndTag(tagName);
      }
    }

    var unary = isUnaryTag$$1(tagName) || !!unarySlash;

    var l = match.attrs.length;
    var attrs = new Array(l);
    for (var i = 0; i < l; i++) {
      var args = match.attrs[i];
      var value = args[3] || args[4] || args[5] || '';
      var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
        ? options.shouldDecodeNewlinesForHref
        : options.shouldDecodeNewlines;
      attrs[i] = {
        name: args[1],
        value: decodeAttr(value, shouldDecodeNewlines)
      };
      if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
        attrs[i].start = args.start + args[0].match(/^\s*/).length;
        attrs[i].end = args.end;
      }
    }

    if (!unary) {
      stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
      lastTag = tagName;
    }

    if (options.start) {
      options.start(tagName, attrs, unary, match.start, match.end);
    }
  }

  function parseEndTag (tagName, start, end) {
    var pos, lowerCasedTagName;
    if (start == null) { start = index; }
    if (end == null) { end = index; }

    // Find the closest opened tag of the same type
    if (tagName) {
      lowerCasedTagName = tagName.toLowerCase();
      for (pos = stack.length - 1; pos >= 0; pos--) {
        if (stack[pos].lowerCasedTag === lowerCasedTagName) {
          break
        }
      }
    } else {
      // If no tag name is provided, clean shop
      pos = 0;
    }

    if (pos >= 0) {
      // Close all the open elements, up the stack
      for (var i = stack.length - 1; i >= pos; i--) {
        if (process.env.NODE_ENV !== 'production' &&
          (i > pos || !tagName) &&
          options.warn
        ) {
          options.warn(
            ("tag <" + (stack[i].tag) + "> has no matching end tag."),
            { start: stack[i].start, end: stack[i].end }
          );
        }
        if (options.end) {
          options.end(stack[i].tag, start, end);
        }
      }

      // Remove the open elements from the stack
      stack.length = pos;
      lastTag = pos && stack[pos - 1].tag;
    } else if (lowerCasedTagName === 'br') {
      if (options.start) {
        options.start(tagName, [], true, start, end);
      }
    } else if (lowerCasedTagName === 'p') {
      if (options.start) {
        options.start(tagName, [], false, start, end);
      }
      if (options.end) {
        options.end(tagName, start, end);
      }
    }
  }
}

/*  */

var splitRE = /\r?\n/g;
var replaceRE = /./g;
var isSpecialTag = makeMap$1('script,style,template', true);

/**
 * Parse a single-file component (*.vue) file into an SFC Descriptor Object.
 */
function parseComponent (
  content,
  options
) {
  if ( options === void 0 ) options = {};

  var sfc = {
    template: null,
    script: null,
    styles: [],
    customBlocks: [],
    errors: []
  };
  var depth = 0;
  var currentBlock = null;

  var warn = function (msg) {
    sfc.errors.push(msg);
  };

  if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
    warn = function (msg, range) {
      var data = { msg: msg };
      if (range.start != null) {
        data.start = range.start;
      }
      if (range.end != null) {
        data.end = range.end;
      }
      sfc.errors.push(data);
    };
  }

  function start (
    tag,
    attrs,
    unary,
    start,
    end
  ) {
    if (depth === 0) {
      currentBlock = {
        type: tag,
        content: '',
        start: end,
        attrs: attrs.reduce(function (cumulated, ref) {
          var name = ref.name;
          var value = ref.value;

          cumulated[name] = value || true;
          return cumulated
        }, {})
      };
      if (isSpecialTag(tag)) {
        checkAttrs(currentBlock, attrs);
        if (tag === 'style') {
          sfc.styles.push(currentBlock);
        } else {
          sfc[tag] = currentBlock;
        }
      } else { // custom blocks
        sfc.customBlocks.push(currentBlock);
      }
    }
    if (!unary) {
      depth++;
    }
  }

  function checkAttrs (block, attrs) {
    for (var i = 0; i < attrs.length; i++) {
      var attr = attrs[i];
      if (attr.name === 'lang') {
        block.lang = attr.value;
      }
      if (attr.name === 'scoped') {
        block.scoped = true;
      }
      if (attr.name === 'module') {
        block.module = attr.value || true;
      }
      if (attr.name === 'src') {
        block.src = attr.value;
      }
    }
  }

  function end (tag, start) {
    if (depth === 1 && currentBlock) {
      currentBlock.end = start;
      var text = content.slice(currentBlock.start, currentBlock.end);
      if (options.deindent !== false) {
        text = deindent(text);
      }
      // pad content so that linters and pre-processors can output correct
      // line numbers in errors and warnings
      if (currentBlock.type !== 'template' && options.pad) {
        text = padContent(currentBlock, options.pad) + text;
      }
      currentBlock.content = text;
      currentBlock = null;
    }
    depth--;
  }

  function padContent (block, pad) {
    if (pad === 'space') {
      return content.slice(0, block.start).replace(replaceRE, ' ')
    } else {
      var offset = content.slice(0, block.start).split(splitRE).length;
      var padChar = block.type === 'script' && !block.lang
        ? '//\n'
        : '\n';
      return Array(offset).join(padChar)
    }
  }

  parseHTML(content, {
    warn: warn,
    start: start,
    end: end,
    outputSourceRange: options.outputSourceRange
  });

  return sfc
}

/*  */

// can we use __proto__?
var hasProto = '__proto__' in {};

// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA$1 = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA$1 && /msie|trident/.test(UA$1);
UA$1 && UA$1.indexOf('msie 9.0') > 0;
var isEdge$1 = UA$1 && UA$1.indexOf('edge/') > 0;
(UA$1 && UA$1.indexOf('android') > 0) || (weexPlatform === 'android');
UA$1 && UA$1.match(/firefox\/(\d+)/);

// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;
if (inBrowser) {
  try {
    var opts = {};
    Object.defineProperty(opts, 'passive', ({
      get: function get () {
      }
    })); // https://github.com/facebook/flow/issues/285
    window.addEventListener('test-passive', null, opts);
  } catch (e) {}
}

// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
  if (_isServer === undefined) {
    /* istanbul ignore if */
    if (!inBrowser && !inWeex && typeof commonjsGlobal$1 !== 'undefined') {
      // detect presence of vue-server-renderer and avoid
      // Webpack shimming the process
      _isServer = commonjsGlobal$1['process'] && commonjsGlobal$1['process'].env.VUE_ENV === 'server';
    } else {
      _isServer = false;
    }
  }
  return _isServer
};

/* istanbul ignore next */
function isNative (Ctor) {
  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}

var hasSymbol =
  typeof Symbol !== 'undefined' && isNative(Symbol) &&
  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) ;

var ASSET_TYPES = [
  'component',
  'directive',
  'filter'
];

var LIFECYCLE_HOOKS = [
  'beforeCreate',
  'created',
  'beforeMount',
  'mounted',
  'beforeUpdate',
  'updated',
  'beforeDestroy',
  'destroyed',
  'activated',
  'deactivated',
  'errorCaptured',
  'serverPrefetch'
];

/*  */



var config$1 = ({
  /**
   * Option merge strategies (used in core/util/options)
   */
  // $flow-disable-line
  optionMergeStrategies: Object.create(null),

  /**
   * Whether to suppress warnings.
   */
  silent: false,

  /**
   * Show production mode tip message on boot?
   */
  productionTip: process.env.NODE_ENV !== 'production',

  /**
   * Whether to enable devtools
   */
  devtools: process.env.NODE_ENV !== 'production',

  /**
   * Whether to record perf
   */
  performance: false,

  /**
   * Error handler for watcher errors
   */
  errorHandler: null,

  /**
   * Warn handler for watcher warns
   */
  warnHandler: null,

  /**
   * Ignore certain custom elements
   */
  ignoredElements: [],

  /**
   * Custom user key aliases for v-on
   */
  // $flow-disable-line
  keyCodes: Object.create(null),

  /**
   * Check if a tag is reserved so that it cannot be registered as a
   * component. This is platform-dependent and may be overwritten.
   */
  isReservedTag: no,

  /**
   * Check if an attribute is reserved so that it cannot be used as a component
   * prop. This is platform-dependent and may be overwritten.
   */
  isReservedAttr: no,

  /**
   * Check if a tag is an unknown element.
   * Platform-dependent.
   */
  isUnknownElement: no,

  /**
   * Get the namespace of an element
   */
  getTagNamespace: noop,

  /**
   * Parse the real tag name for the specific platform.
   */
  parsePlatformTagName: identity,

  /**
   * Check if an attribute must be bound using property, e.g. value
   * Platform-dependent.
   */
  mustUseProp: no,

  /**
   * Perform updates asynchronously. Intended to be used by Vue Test Utils
   * This will significantly reduce performance if set to false.
   */
  async: true,

  /**
   * Exposed for legacy reasons
   */
  _lifecycleHooks: LIFECYCLE_HOOKS
});

/*  */

var warn$1 = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);

if (process.env.NODE_ENV !== 'production') {
  var hasConsole = typeof console !== 'undefined';
  var classifyRE = /(?:^|[-_])(\w)/g;
  var classify = function (str) { return str
    .replace(classifyRE, function (c) { return c.toUpperCase(); })
    .replace(/[-_]/g, ''); };

  warn$1 = function (msg, vm) {
    var trace = vm ? generateComponentTrace(vm) : '';

    if (hasConsole && (!config$1.silent)) {
      console.error(("[Vue warn]: " + msg + trace));
    }
  };

  tip = function (msg, vm) {
    if (hasConsole && (!config$1.silent)) {
      console.warn("[Vue tip]: " + msg + (
        vm ? generateComponentTrace(vm) : ''
      ));
    }
  };

  formatComponentName = function (vm, includeFile) {
    if (vm.$root === vm) {
      return '<Root>'
    }
    var options = typeof vm === 'function' && vm.cid != null
      ? vm.options
      : vm._isVue
        ? vm.$options || vm.constructor.options
        : vm;
    var name = options.name || options._componentTag;
    var file = options.__file;
    if (!name && file) {
      var match = file.match(/([^/\\]+)\.vue$/);
      name = match && match[1];
    }

    return (
      (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
      (file && includeFile !== false ? (" at " + file) : '')
    )
  };

  var repeat = function (str, n) {
    var res = '';
    while (n) {
      if (n % 2 === 1) { res += str; }
      if (n > 1) { str += str; }
      n >>= 1;
    }
    return res
  };

  generateComponentTrace = function (vm) {
    if (vm._isVue && vm.$parent) {
      var tree = [];
      var currentRecursiveSequence = 0;
      while (vm) {
        if (tree.length > 0) {
          var last = tree[tree.length - 1];
          if (last.constructor === vm.constructor) {
            currentRecursiveSequence++;
            vm = vm.$parent;
            continue
          } else if (currentRecursiveSequence > 0) {
            tree[tree.length - 1] = [last, currentRecursiveSequence];
            currentRecursiveSequence = 0;
          }
        }
        tree.push(vm);
        vm = vm.$parent;
      }
      return '\n\nfound in\n\n' + tree
        .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
            ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
            : formatComponentName(vm))); })
        .join('\n')
    } else {
      return ("\n\n(found in " + (formatComponentName(vm)) + ")")
    }
  };
}

/*  */

var uid = 0;

/**
 * A dep is an observable that can have multiple
 * directives subscribing to it.
 */
var Dep = function Dep () {
  this.id = uid++;
  this.subs = [];
};

Dep.prototype.addSub = function addSub (sub) {
  this.subs.push(sub);
};

Dep.prototype.removeSub = function removeSub (sub) {
  remove(this.subs, sub);
};

Dep.prototype.depend = function depend () {
  if (Dep.target) {
    Dep.target.addDep(this);
  }
};

Dep.prototype.notify = function notify () {
  // stabilize the subscriber list first
  var subs = this.subs.slice();
  if (process.env.NODE_ENV !== 'production' && !config$1.async) {
    // subs aren't sorted in scheduler if not running async
    // we need to sort them now to make sure they fire in correct
    // order
    subs.sort(function (a, b) { return a.id - b.id; });
  }
  for (var i = 0, l = subs.length; i < l; i++) {
    subs[i].update();
  }
};

// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;

/*  */

var VNode = function VNode (
  tag,
  data,
  children,
  text,
  elm,
  context,
  componentOptions,
  asyncFactory
) {
  this.tag = tag;
  this.data = data;
  this.children = children;
  this.text = text;
  this.elm = elm;
  this.ns = undefined;
  this.context = context;
  this.fnContext = undefined;
  this.fnOptions = undefined;
  this.fnScopeId = undefined;
  this.key = data && data.key;
  this.componentOptions = componentOptions;
  this.componentInstance = undefined;
  this.parent = undefined;
  this.raw = false;
  this.isStatic = false;
  this.isRootInsert = true;
  this.isComment = false;
  this.isCloned = false;
  this.isOnce = false;
  this.asyncFactory = asyncFactory;
  this.asyncMeta = undefined;
  this.isAsyncPlaceholder = false;
};

var prototypeAccessors = { child: { configurable: true } };

// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
  return this.componentInstance
};

Object.defineProperties( VNode.prototype, prototypeAccessors );

/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */

var arrayProto$1 = Array.prototype;
var arrayMethods = Object.create(arrayProto$1);

var methodsToPatch = [
  'push',
  'pop',
  'shift',
  'unshift',
  'splice',
  'sort',
  'reverse'
];

/**
 * Intercept mutating methods and emit events
 */
methodsToPatch.forEach(function (method) {
  // cache original method
  var original = arrayProto$1[method];
  def(arrayMethods, method, function mutator () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var result = original.apply(this, args);
    var ob = this.__ob__;
    var inserted;
    switch (method) {
      case 'push':
      case 'unshift':
        inserted = args;
        break
      case 'splice':
        inserted = args.slice(2);
        break
    }
    if (inserted) { ob.observeArray(inserted); }
    // notify change
    ob.dep.notify();
    return result
  });
});

/*  */

var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

/**
 * Observer class that is attached to each observed
 * object. Once attached, the observer converts the target
 * object's property keys into getter/setters that
 * collect dependencies and dispatch updates.
 */
var Observer = function Observer (value) {
  this.value = value;
  this.dep = new Dep();
  this.vmCount = 0;
  def(value, '__ob__', this);
  if (Array.isArray(value)) {
    if (hasProto) {
      protoAugment(value, arrayMethods);
    } else {
      copyAugment(value, arrayMethods, arrayKeys);
    }
    this.observeArray(value);
  } else {
    this.walk(value);
  }
};

/**
 * Walk through all properties and convert them into
 * getter/setters. This method should only be called when
 * value type is Object.
 */
Observer.prototype.walk = function walk (obj) {
  var keys = Object.keys(obj);
  for (var i = 0; i < keys.length; i++) {
    defineReactive$$1(obj, keys[i]);
  }
};

/**
 * Observe a list of Array items.
 */
Observer.prototype.observeArray = function observeArray (items) {
  for (var i = 0, l = items.length; i < l; i++) {
    observe(items[i]);
  }
};

// helpers

/**
 * Augment a target Object or Array by intercepting
 * the prototype chain using __proto__
 */
function protoAugment (target, src) {
  /* eslint-disable no-proto */
  target.__proto__ = src;
  /* eslint-enable no-proto */
}

/**
 * Augment a target Object or Array by defining
 * hidden properties.
 */
/* istanbul ignore next */
function copyAugment (target, src, keys) {
  for (var i = 0, l = keys.length; i < l; i++) {
    var key = keys[i];
    def(target, key, src[key]);
  }
}

/**
 * Attempt to create an observer instance for a value,
 * returns the new observer if successfully observed,
 * or the existing observer if the value already has one.
 */
function observe (value, asRootData) {
  if (!isObject$1(value) || value instanceof VNode) {
    return
  }
  var ob;
  if (hasOwn$1(value, '__ob__') && value.__ob__ instanceof Observer) {
    ob = value.__ob__;
  } else if (
    !isServerRendering() &&
    (Array.isArray(value) || isPlainObject$1(value)) &&
    Object.isExtensible(value) &&
    !value._isVue
  ) {
    ob = new Observer(value);
  }
  if (asRootData && ob) {
    ob.vmCount++;
  }
  return ob
}

/**
 * Define a reactive property on an Object.
 */
function defineReactive$$1 (
  obj,
  key,
  val,
  customSetter,
  shallow
) {
  var dep = new Dep();

  var property = Object.getOwnPropertyDescriptor(obj, key);
  if (property && property.configurable === false) {
    return
  }

  // cater for pre-defined getter/setters
  var getter = property && property.get;
  var setter = property && property.set;
  if ((!getter || setter) && arguments.length === 2) {
    val = obj[key];
  }

  var childOb = !shallow && observe(val);
  Object.defineProperty(obj, key, {
    enumerable: true,
    configurable: true,
    get: function reactiveGetter () {
      var value = getter ? getter.call(obj) : val;
      if (Dep.target) {
        dep.depend();
        if (childOb) {
          childOb.dep.depend();
          if (Array.isArray(value)) {
            dependArray(value);
          }
        }
      }
      return value
    },
    set: function reactiveSetter (newVal) {
      var value = getter ? getter.call(obj) : val;
      /* eslint-disable no-self-compare */
      if (newVal === value || (newVal !== newVal && value !== value)) {
        return
      }
      /* eslint-enable no-self-compare */
      if (process.env.NODE_ENV !== 'production' && customSetter) {
        customSetter();
      }
      // #7981: for accessor properties without setter
      if (getter && !setter) { return }
      if (setter) {
        setter.call(obj, newVal);
      } else {
        val = newVal;
      }
      childOb = !shallow && observe(newVal);
      dep.notify();
    }
  });
}

/**
 * Set a property on an object. Adds the new property and
 * triggers change notification if the property doesn't
 * already exist.
 */
function set (target, key, val) {
  if (process.env.NODE_ENV !== 'production' &&
    (isUndef(target) || isPrimitive(target))
  ) {
    warn$1(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
  }
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.length = Math.max(target.length, key);
    target.splice(key, 1, val);
    return val
  }
  if (key in target && !(key in Object.prototype)) {
    target[key] = val;
    return val
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
    process.env.NODE_ENV !== 'production' && warn$1(
      'Avoid adding reactive properties to a Vue instance or its root $data ' +
      'at runtime - declare it upfront in the data option.'
    );
    return val
  }
  if (!ob) {
    target[key] = val;
    return val
  }
  defineReactive$$1(ob.value, key, val);
  ob.dep.notify();
  return val
}

/**
 * Collect dependencies on array elements when the array is touched, since
 * we cannot intercept array element access like property getters.
 */
function dependArray (value) {
  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
    e = value[i];
    e && e.__ob__ && e.__ob__.dep.depend();
    if (Array.isArray(e)) {
      dependArray(e);
    }
  }
}

/*  */

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */
var strats = config$1.optionMergeStrategies;

/**
 * Options with restrictions
 */
if (process.env.NODE_ENV !== 'production') {
  strats.el = strats.propsData = function (parent, child, vm, key) {
    if (!vm) {
      warn$1(
        "option \"" + key + "\" can only be used during instance " +
        'creation with the `new` keyword.'
      );
    }
    return defaultStrat(parent, child)
  };
}

/**
 * Helper that recursively merges two data objects together.
 */
function mergeData (to, from) {
  if (!from) { return to }
  var key, toVal, fromVal;

  var keys = hasSymbol
    ? Reflect.ownKeys(from)
    : Object.keys(from);

  for (var i = 0; i < keys.length; i++) {
    key = keys[i];
    // in case the object is already observed...
    if (key === '__ob__') { continue }
    toVal = to[key];
    fromVal = from[key];
    if (!hasOwn$1(to, key)) {
      set(to, key, fromVal);
    } else if (
      toVal !== fromVal &&
      isPlainObject$1(toVal) &&
      isPlainObject$1(fromVal)
    ) {
      mergeData(toVal, fromVal);
    }
  }
  return to
}

/**
 * Data
 */
function mergeDataOrFn (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    // in a Vue.extend merge, both should be functions
    if (!childVal) {
      return parentVal
    }
    if (!parentVal) {
      return childVal
    }
    // when parentVal & childVal are both present,
    // we need to return a function that returns the
    // merged result of both functions... no need to
    // check if parentVal is a function here because
    // it has to be a function to pass previous merges.
    return function mergedDataFn () {
      return mergeData(
        typeof childVal === 'function' ? childVal.call(this, this) : childVal,
        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
      )
    }
  } else {
    return function mergedInstanceDataFn () {
      // instance merge
      var instanceData = typeof childVal === 'function'
        ? childVal.call(vm, vm)
        : childVal;
      var defaultData = typeof parentVal === 'function'
        ? parentVal.call(vm, vm)
        : parentVal;
      if (instanceData) {
        return mergeData(instanceData, defaultData)
      } else {
        return defaultData
      }
    }
  }
}

strats.data = function (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    if (childVal && typeof childVal !== 'function') {
      process.env.NODE_ENV !== 'production' && warn$1(
        'The "data" option should be a function ' +
        'that returns a per-instance value in component ' +
        'definitions.',
        vm
      );

      return parentVal
    }
    return mergeDataOrFn(parentVal, childVal)
  }

  return mergeDataOrFn(parentVal, childVal, vm)
};

/**
 * Hooks and props are merged as arrays.
 */
function mergeHook (
  parentVal,
  childVal
) {
  var res = childVal
    ? parentVal
      ? parentVal.concat(childVal)
      : Array.isArray(childVal)
        ? childVal
        : [childVal]
    : parentVal;
  return res
    ? dedupeHooks(res)
    : res
}

function dedupeHooks (hooks) {
  var res = [];
  for (var i = 0; i < hooks.length; i++) {
    if (res.indexOf(hooks[i]) === -1) {
      res.push(hooks[i]);
    }
  }
  return res
}

LIFECYCLE_HOOKS.forEach(function (hook) {
  strats[hook] = mergeHook;
});

/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */
function mergeAssets (
  parentVal,
  childVal,
  vm,
  key
) {
  var res = Object.create(parentVal || null);
  if (childVal) {
    process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);
    return extend$1(res, childVal)
  } else {
    return res
  }
}

ASSET_TYPES.forEach(function (type) {
  strats[type + 's'] = mergeAssets;
});

/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */
strats.watch = function (
  parentVal,
  childVal,
  vm,
  key
) {
  // work around Firefox's Object.prototype.watch...
  if (parentVal === nativeWatch) { parentVal = undefined; }
  if (childVal === nativeWatch) { childVal = undefined; }
  /* istanbul ignore if */
  if (!childVal) { return Object.create(parentVal || null) }
  if (process.env.NODE_ENV !== 'production') {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = {};
  extend$1(ret, parentVal);
  for (var key$1 in childVal) {
    var parent = ret[key$1];
    var child = childVal[key$1];
    if (parent && !Array.isArray(parent)) {
      parent = [parent];
    }
    ret[key$1] = parent
      ? parent.concat(child)
      : Array.isArray(child) ? child : [child];
  }
  return ret
};

/**
 * Other object hashes.
 */
strats.props =
strats.methods =
strats.inject =
strats.computed = function (
  parentVal,
  childVal,
  vm,
  key
) {
  if (childVal && process.env.NODE_ENV !== 'production') {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = Object.create(null);
  extend$1(ret, parentVal);
  if (childVal) { extend$1(ret, childVal); }
  return ret
};
strats.provide = mergeDataOrFn;

/**
 * Default strategy.
 */
var defaultStrat = function (parentVal, childVal) {
  return childVal === undefined
    ? parentVal
    : childVal
};

function assertObjectType (name, value, vm) {
  if (!isPlainObject$1(value)) {
    warn$1(
      "Invalid value for option \"" + name + "\": expected an Object, " +
      "but got " + (toRawType(value)) + ".",
      vm
    );
  }
}

/*  */

/*  */

/*  */

var callbacks = [];

function flushCallbacks () {
  var copies = callbacks.slice(0);
  callbacks.length = 0;
  for (var i = 0; i < copies.length; i++) {
    copies[i]();
  }
}

// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) ; else if (!isIE && typeof MutationObserver !== 'undefined' && (
  isNative(MutationObserver) ||
  // PhantomJS and iOS 7.x
  MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
  // Use MutationObserver where native Promise is not available,
  // e.g. PhantomJS, iOS7, Android 4.4
  // (#6466 MutationObserver is unreliable in IE11)
  var counter = 1;
  var observer = new MutationObserver(flushCallbacks);
  var textNode = document.createTextNode(String(counter));
  observer.observe(textNode, {
    characterData: true
  });
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ;

/*  */

/*  */

// these are reserved for web because they are directly compiled away
// during template compilation
makeMap$1('style,class');

// attributes that should be using props for binding
var acceptValue = makeMap$1('input,textarea,option,select,progress');
var mustUseProp = function (tag, type, attr) {
  return (
    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
    (attr === 'selected' && tag === 'option') ||
    (attr === 'checked' && tag === 'input') ||
    (attr === 'muted' && tag === 'video')
  )
};

var isEnumeratedAttr = makeMap$1('contenteditable,draggable,spellcheck');

makeMap$1('events,caret,typing,plaintext-only');

var isBooleanAttr = makeMap$1(
  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
  'required,reversed,scoped,seamless,selected,sortable,translate,' +
  'truespeed,typemustmatch,visible'
);

/*  */

/*  */

var isHTMLTag$1 = makeMap$1(
  'html,body,base,head,link,meta,style,title,' +
  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
  'embed,object,param,source,canvas,script,noscript,del,ins,' +
  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
  'output,progress,select,textarea,' +
  'details,dialog,menu,menuitem,summary,' +
  'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG$1 = makeMap$1(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isPreTag = function (tag) { return tag === 'pre'; };

var isReservedTag$1 = function (tag) {
  return isHTMLTag$1(tag) || isSVG$1(tag)
};

function getTagNamespace (tag) {
  if (isSVG$1(tag)) {
    return 'svg'
  }
  // basic support for MathML
  // note it doesn't support other MathML elements being component roots
  if (tag === 'math') {
    return 'math'
  }
}

makeMap$1('text,number,password,search,email,tel,url');

/*  */

/*  */

var validDivisionCharRE = /[\w).+\-_$\]]/;

function parseFilters (exp) {
  var inSingle = false;
  var inDouble = false;
  var inTemplateString = false;
  var inRegex = false;
  var curly = 0;
  var square = 0;
  var paren = 0;
  var lastFilterIndex = 0;
  var c, prev, i, expression, filters;

  for (i = 0; i < exp.length; i++) {
    prev = c;
    c = exp.charCodeAt(i);
    if (inSingle) {
      if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
    } else if (inDouble) {
      if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
    } else if (inTemplateString) {
      if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
    } else if (inRegex) {
      if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
    } else if (
      c === 0x7C && // pipe
      exp.charCodeAt(i + 1) !== 0x7C &&
      exp.charCodeAt(i - 1) !== 0x7C &&
      !curly && !square && !paren
    ) {
      if (expression === undefined) {
        // first filter, end of expression
        lastFilterIndex = i + 1;
        expression = exp.slice(0, i).trim();
      } else {
        pushFilter();
      }
    } else {
      switch (c) {
        case 0x22: inDouble = true; break         // "
        case 0x27: inSingle = true; break         // '
        case 0x60: inTemplateString = true; break // `
        case 0x28: paren++; break                 // (
        case 0x29: paren--; break                 // )
        case 0x5B: square++; break                // [
        case 0x5D: square--; break                // ]
        case 0x7B: curly++; break                 // {
        case 0x7D: curly--; break                 // }
      }
      if (c === 0x2f) { // /
        var j = i - 1;
        var p = (void 0);
        // find first non-whitespace prev char
        for (; j >= 0; j--) {
          p = exp.charAt(j);
          if (p !== ' ') { break }
        }
        if (!p || !validDivisionCharRE.test(p)) {
          inRegex = true;
        }
      }
    }
  }

  if (expression === undefined) {
    expression = exp.slice(0, i).trim();
  } else if (lastFilterIndex !== 0) {
    pushFilter();
  }

  function pushFilter () {
    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
    lastFilterIndex = i + 1;
  }

  if (filters) {
    for (i = 0; i < filters.length; i++) {
      expression = wrapFilter(expression, filters[i]);
    }
  }

  return expression
}

function wrapFilter (exp, filter) {
  var i = filter.indexOf('(');
  if (i < 0) {
    // _f: resolveFilter
    return ("_f(\"" + filter + "\")(" + exp + ")")
  } else {
    var name = filter.slice(0, i);
    var args = filter.slice(i + 1);
    return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
  }
}

/*  */

var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;

var buildRegex = cached$1(function (delimiters) {
  var open = delimiters[0].replace(regexEscapeRE, '\\$&');
  var close = delimiters[1].replace(regexEscapeRE, '\\$&');
  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});



function parseText (
  text,
  delimiters
) {
  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
  if (!tagRE.test(text)) {
    return
  }
  var tokens = [];
  var rawTokens = [];
  var lastIndex = tagRE.lastIndex = 0;
  var match, index, tokenValue;
  while ((match = tagRE.exec(text))) {
    index = match.index;
    // push text token
    if (index > lastIndex) {
      rawTokens.push(tokenValue = text.slice(lastIndex, index));
      tokens.push(JSON.stringify(tokenValue));
    }
    // tag token
    var exp = parseFilters(match[1].trim());
    tokens.push(("_s(" + exp + ")"));
    rawTokens.push({ '@binding': exp });
    lastIndex = index + match[0].length;
  }
  if (lastIndex < text.length) {
    rawTokens.push(tokenValue = text.slice(lastIndex));
    tokens.push(JSON.stringify(tokenValue));
  }
  return {
    expression: tokens.join('+'),
    tokens: rawTokens
  }
}

/*  */



/* eslint-disable no-unused-vars */
function baseWarn (msg, range) {
  console.error(("[Vue compiler]: " + msg));
}
/* eslint-enable no-unused-vars */

function pluckModuleFunction (
  modules,
  key
) {
  return modules
    ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
    : []
}

function addProp (el, name, value, range, dynamic) {
  (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

function addAttr (el, name, value, range, dynamic) {
  var attrs = dynamic
    ? (el.dynamicAttrs || (el.dynamicAttrs = []))
    : (el.attrs || (el.attrs = []));
  attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

// add a raw attr (use this in preTransforms)
function addRawAttr (el, name, value, range) {
  el.attrsMap[name] = value;
  el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
}

function addDirective (
  el,
  name,
  rawName,
  value,
  arg,
  isDynamicArg,
  modifiers,
  range
) {
  (el.directives || (el.directives = [])).push(rangeSetItem({
    name: name,
    rawName: rawName,
    value: value,
    arg: arg,
    isDynamicArg: isDynamicArg,
    modifiers: modifiers
  }, range));
  el.plain = false;
}

function prependModifierMarker (symbol, name, dynamic) {
  return dynamic
    ? ("_p(" + name + ",\"" + symbol + "\")")
    : symbol + name // mark the event as captured
}

function addHandler (
  el,
  name,
  value,
  modifiers,
  important,
  warn,
  range,
  dynamic
) {
  modifiers = modifiers || emptyObject;
  // warn prevent and passive modifier
  /* istanbul ignore if */
  if (
    process.env.NODE_ENV !== 'production' && warn &&
    modifiers.prevent && modifiers.passive
  ) {
    warn(
      'passive and prevent can\'t be used together. ' +
      'Passive handler can\'t prevent default event.',
      range
    );
  }

  // normalize click.right and click.middle since they don't actually fire
  // this is technically browser-specific, but at least for now browsers are
  // the only target envs that have right/middle clicks.
  if (modifiers.right) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
    } else if (name === 'click') {
      name = 'contextmenu';
      delete modifiers.right;
    }
  } else if (modifiers.middle) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
    } else if (name === 'click') {
      name = 'mouseup';
    }
  }

  // check capture modifier
  if (modifiers.capture) {
    delete modifiers.capture;
    name = prependModifierMarker('!', name, dynamic);
  }
  if (modifiers.once) {
    delete modifiers.once;
    name = prependModifierMarker('~', name, dynamic);
  }
  /* istanbul ignore if */
  if (modifiers.passive) {
    delete modifiers.passive;
    name = prependModifierMarker('&', name, dynamic);
  }

  var events;
  if (modifiers.native) {
    delete modifiers.native;
    events = el.nativeEvents || (el.nativeEvents = {});
  } else {
    events = el.events || (el.events = {});
  }

  var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
  if (modifiers !== emptyObject) {
    newHandler.modifiers = modifiers;
  }

  var handlers = events[name];
  /* istanbul ignore if */
  if (Array.isArray(handlers)) {
    important ? handlers.unshift(newHandler) : handlers.push(newHandler);
  } else if (handlers) {
    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
  } else {
    events[name] = newHandler;
  }

  el.plain = false;
}

function getRawBindingAttr (
  el,
  name
) {
  return el.rawAttrsMap[':' + name] ||
    el.rawAttrsMap['v-bind:' + name] ||
    el.rawAttrsMap[name]
}

function getBindingAttr (
  el,
  name,
  getStatic
) {
  var dynamicValue =
    getAndRemoveAttr(el, ':' + name) ||
    getAndRemoveAttr(el, 'v-bind:' + name);
  if (dynamicValue != null) {
    return parseFilters(dynamicValue)
  } else if (getStatic !== false) {
    var staticValue = getAndRemoveAttr(el, name);
    if (staticValue != null) {
      return JSON.stringify(staticValue)
    }
  }
}

// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr (
  el,
  name,
  removeFromMap
) {
  var val;
  if ((val = el.attrsMap[name]) != null) {
    var list = el.attrsList;
    for (var i = 0, l = list.length; i < l; i++) {
      if (list[i].name === name) {
        list.splice(i, 1);
        break
      }
    }
  }
  if (removeFromMap) {
    delete el.attrsMap[name];
  }
  return val
}

function getAndRemoveAttrByRegex (
  el,
  name
) {
  var list = el.attrsList;
  for (var i = 0, l = list.length; i < l; i++) {
    var attr = list[i];
    if (name.test(attr.name)) {
      list.splice(i, 1);
      return attr
    }
  }
}

function rangeSetItem (
  item,
  range
) {
  if (range) {
    if (range.start != null) {
      item.start = range.start;
    }
    if (range.end != null) {
      item.end = range.end;
    }
  }
  return item
}

/*  */

function transformNode (el, options) {
  var warn = options.warn || baseWarn;
  var staticClass = getAndRemoveAttr(el, 'class');
  if (process.env.NODE_ENV !== 'production' && staticClass) {
    var res = parseText(staticClass, options.delimiters);
    if (res) {
      warn(
        "class=\"" + staticClass + "\": " +
        'Interpolation inside attributes has been removed. ' +
        'Use v-bind or the colon shorthand instead. For example, ' +
        'instead of <div class="{{ val }}">, use <div :class="val">.',
        el.rawAttrsMap['class']
      );
    }
  }
  if (staticClass) {
    el.staticClass = JSON.stringify(staticClass);
  }
  var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
  if (classBinding) {
    el.classBinding = classBinding;
  }
}

function genData (el) {
  var data = '';
  if (el.staticClass) {
    data += "staticClass:" + (el.staticClass) + ",";
  }
  if (el.classBinding) {
    data += "class:" + (el.classBinding) + ",";
  }
  return data
}

var klass = {
  staticKeys: ['staticClass'],
  transformNode: transformNode,
  genData: genData
};

/*  */

var parseStyleText = cached$1(function (cssText) {
  var res = {};
  var listDelimiter = /;(?![^(]*\))/g;
  var propertyDelimiter = /:(.+)/;
  cssText.split(listDelimiter).forEach(function (item) {
    if (item) {
      var tmp = item.split(propertyDelimiter);
      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return res
});

/*  */

function transformNode$1 (el, options) {
  var warn = options.warn || baseWarn;
  var staticStyle = getAndRemoveAttr(el, 'style');
  if (staticStyle) {
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production') {
      var res = parseText(staticStyle, options.delimiters);
      if (res) {
        warn(
          "style=\"" + staticStyle + "\": " +
          'Interpolation inside attributes has been removed. ' +
          'Use v-bind or the colon shorthand instead. For example, ' +
          'instead of <div style="{{ val }}">, use <div :style="val">.',
          el.rawAttrsMap['style']
        );
      }
    }
    el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
  }

  var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
  if (styleBinding) {
    el.styleBinding = styleBinding;
  }
}

function genData$1 (el) {
  var data = '';
  if (el.staticStyle) {
    data += "staticStyle:" + (el.staticStyle) + ",";
  }
  if (el.styleBinding) {
    data += "style:(" + (el.styleBinding) + "),";
  }
  return data
}

var style = {
  staticKeys: ['staticStyle'],
  transformNode: transformNode$1,
  genData: genData$1
};

/*  */

/**
 * Cross-platform code generation for component v-model
 */
function genComponentModel (
  el,
  value,
  modifiers
) {
  var ref = modifiers || {};
  var number = ref.number;
  var trim = ref.trim;

  var baseValueExpression = '$$v';
  var valueExpression = baseValueExpression;
  if (trim) {
    valueExpression =
      "(typeof " + baseValueExpression + " === 'string'" +
      "? " + baseValueExpression + ".trim()" +
      ": " + baseValueExpression + ")";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }
  var assignment = genAssignmentCode(value, valueExpression);

  el.model = {
    value: ("(" + value + ")"),
    expression: JSON.stringify(value),
    callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
  };
}

/**
 * Cross-platform codegen helper for generating v-model value assignment code.
 */
function genAssignmentCode (
  value,
  assignment
) {
  var res = parseModel(value);
  if (res.key === null) {
    return (value + "=" + assignment)
  } else {
    return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
  }
}

/**
 * Parse a v-model expression into a base path and a final key segment.
 * Handles both dot-path and possible square brackets.
 *
 * Possible cases:
 *
 * - test
 * - test[key]
 * - test[test1[key]]
 * - test["a"][key]
 * - xxx.test[a[a].test1[key]]
 * - test.xxx.a["asa"][test1[key]]
 *
 */

var len, str, chr, index, expressionPos, expressionEndPos;



function parseModel (val) {
  // Fix https://github.com/vuejs/vue/pull/7730
  // allow v-model="obj.val " (trailing whitespace)
  val = val.trim();
  len = val.length;

  if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
    index = val.lastIndexOf('.');
    if (index > -1) {
      return {
        exp: val.slice(0, index),
        key: '"' + val.slice(index + 1) + '"'
      }
    } else {
      return {
        exp: val,
        key: null
      }
    }
  }

  str = val;
  index = expressionPos = expressionEndPos = 0;

  while (!eof()) {
    chr = next();
    /* istanbul ignore if */
    if (isStringStart(chr)) {
      parseString(chr);
    } else if (chr === 0x5B) {
      parseBracket(chr);
    }
  }

  return {
    exp: val.slice(0, expressionPos),
    key: val.slice(expressionPos + 1, expressionEndPos)
  }
}

function next () {
  return str.charCodeAt(++index)
}

function eof () {
  return index >= len
}

function isStringStart (chr) {
  return chr === 0x22 || chr === 0x27
}

function parseBracket (chr) {
  var inBracket = 1;
  expressionPos = index;
  while (!eof()) {
    chr = next();
    if (isStringStart(chr)) {
      parseString(chr);
      continue
    }
    if (chr === 0x5B) { inBracket++; }
    if (chr === 0x5D) { inBracket--; }
    if (inBracket === 0) {
      expressionEndPos = index;
      break
    }
  }
}

function parseString (chr) {
  var stringQuote = chr;
  while (!eof()) {
    chr = next();
    if (chr === stringQuote) {
      break
    }
  }
}

/*  */

var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:|^#/;
var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
var stripParensRE = /^\(|\)$/g;
var dynamicArgRE = /^\[.*\]$/;

var argRE = /:(.*)$/;
var bindRE = /^:|^\.|^v-bind:/;
var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;

var slotRE = /^v-slot(:|$)|^#/;

var lineBreakRE = /[\r\n]/;
var whitespaceRE = /\s+/g;

var invalidAttributeRE = /[\s"'<>\/=]/;

var decodeHTMLCached = cached$1(he.decode);

var emptySlotScopeToken = "_empty_";

// configurable state
var warn$1$1;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
var maybeComponent;

function createASTElement (
  tag,
  attrs,
  parent
) {
  return {
    type: 1,
    tag: tag,
    attrsList: attrs,
    attrsMap: makeAttrsMap(attrs),
    rawAttrsMap: {},
    parent: parent,
    children: []
  }
}

/**
 * Convert HTML string to AST.
 */
function parse (
  template,
  options
) {
  warn$1$1 = options.warn || baseWarn;

  platformIsPreTag = options.isPreTag || no;
  platformMustUseProp = options.mustUseProp || no;
  platformGetTagNamespace = options.getTagNamespace || no;
  var isReservedTag = options.isReservedTag || no;
  maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };

  transforms = pluckModuleFunction(options.modules, 'transformNode');
  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');

  delimiters = options.delimiters;

  var stack = [];
  var preserveWhitespace = options.preserveWhitespace !== false;
  var whitespaceOption = options.whitespace;
  var root;
  var currentParent;
  var inVPre = false;
  var inPre = false;
  var warned = false;

  function warnOnce (msg, range) {
    if (!warned) {
      warned = true;
      warn$1$1(msg, range);
    }
  }

  function closeElement (element) {
    trimEndingWhitespace(element);
    if (!inVPre && !element.processed) {
      element = processElement(element, options);
    }
    // tree management
    if (!stack.length && element !== root) {
      // allow root elements with v-if, v-else-if and v-else
      if (root.if && (element.elseif || element.else)) {
        if (process.env.NODE_ENV !== 'production') {
          checkRootConstraints(element);
        }
        addIfCondition(root, {
          exp: element.elseif,
          block: element
        });
      } else if (process.env.NODE_ENV !== 'production') {
        warnOnce(
          "Component template should contain exactly one root element. " +
          "If you are using v-if on multiple elements, " +
          "use v-else-if to chain them instead.",
          { start: element.start }
        );
      }
    }
    if (currentParent && !element.forbidden) {
      if (element.elseif || element.else) {
        processIfConditions(element, currentParent);
      } else {
        if (element.slotScope) {
          // scoped slot
          // keep it in the children list so that v-else(-if) conditions can
          // find it as the prev node.
          var name = element.slotTarget || '"default"'
          ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
        }
        currentParent.children.push(element);
        element.parent = currentParent;
      }
    }

    // final children cleanup
    // filter out scoped slots
    element.children = element.children.filter(function (c) { return !(c).slotScope; });
    // remove trailing whitespace node again
    trimEndingWhitespace(element);

    // check pre state
    if (element.pre) {
      inVPre = false;
    }
    if (platformIsPreTag(element.tag)) {
      inPre = false;
    }
    // apply post-transforms
    for (var i = 0; i < postTransforms.length; i++) {
      postTransforms[i](element, options);
    }
  }

  function trimEndingWhitespace (el) {
    // remove trailing whitespace node
    if (!inPre) {
      var lastNode;
      while (
        (lastNode = el.children[el.children.length - 1]) &&
        lastNode.type === 3 &&
        lastNode.text === ' '
      ) {
        el.children.pop();
      }
    }
  }

  function checkRootConstraints (el) {
    if (el.tag === 'slot' || el.tag === 'template') {
      warnOnce(
        "Cannot use <" + (el.tag) + "> as component root element because it may " +
        'contain multiple nodes.',
        { start: el.start }
      );
    }
    if (el.attrsMap.hasOwnProperty('v-for')) {
      warnOnce(
        'Cannot use v-for on stateful component root element because ' +
        'it renders multiple elements.',
        el.rawAttrsMap['v-for']
      );
    }
  }

  parseHTML(template, {
    warn: warn$1$1,
    expectHTML: options.expectHTML,
    isUnaryTag: options.isUnaryTag,
    canBeLeftOpenTag: options.canBeLeftOpenTag,
    shouldDecodeNewlines: options.shouldDecodeNewlines,
    shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
    shouldKeepComment: options.comments,
    outputSourceRange: options.outputSourceRange,
    start: function start (tag, attrs, unary, start$1, end) {
      // check namespace.
      // inherit parent ns if there is one
      var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);

      // handle IE svg bug
      /* istanbul ignore if */
      if (isIE && ns === 'svg') {
        attrs = guardIESVGBug(attrs);
      }

      var element = createASTElement(tag, attrs, currentParent);
      if (ns) {
        element.ns = ns;
      }

      if (process.env.NODE_ENV !== 'production') {
        if (options.outputSourceRange) {
          element.start = start$1;
          element.end = end;
          element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
            cumulated[attr.name] = attr;
            return cumulated
          }, {});
        }
        attrs.forEach(function (attr) {
          if (invalidAttributeRE.test(attr.name)) {
            warn$1$1(
              "Invalid dynamic argument expression: attribute names cannot contain " +
              "spaces, quotes, <, >, / or =.",
              {
                start: attr.start + attr.name.indexOf("["),
                end: attr.start + attr.name.length
              }
            );
          }
        });
      }

      if (isForbiddenTag(element) && !isServerRendering()) {
        element.forbidden = true;
        process.env.NODE_ENV !== 'production' && warn$1$1(
          'Templates should only be responsible for mapping the state to the ' +
          'UI. Avoid placing tags with side-effects in your templates, such as ' +
          "<" + tag + ">" + ', as they will not be parsed.',
          { start: element.start }
        );
      }

      // apply pre-transforms
      for (var i = 0; i < preTransforms.length; i++) {
        element = preTransforms[i](element, options) || element;
      }

      if (!inVPre) {
        processPre(element);
        if (element.pre) {
          inVPre = true;
        }
      }
      if (platformIsPreTag(element.tag)) {
        inPre = true;
      }
      if (inVPre) {
        processRawAttrs(element);
      } else if (!element.processed) {
        // structural directives
        processFor(element);
        processIf(element);
        processOnce(element);
      }

      if (!root) {
        root = element;
        if (process.env.NODE_ENV !== 'production') {
          checkRootConstraints(root);
        }
      }

      if (!unary) {
        currentParent = element;
        stack.push(element);
      } else {
        closeElement(element);
      }
    },

    end: function end (tag, start, end$1) {
      var element = stack[stack.length - 1];
      // pop stack
      stack.length -= 1;
      currentParent = stack[stack.length - 1];
      if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
        element.end = end$1;
      }
      closeElement(element);
    },

    chars: function chars (text, start, end) {
      if (!currentParent) {
        if (process.env.NODE_ENV !== 'production') {
          if (text === template) {
            warnOnce(
              'Component template requires a root element, rather than just text.',
              { start: start }
            );
          } else if ((text = text.trim())) {
            warnOnce(
              ("text \"" + text + "\" outside root element will be ignored."),
              { start: start }
            );
          }
        }
        return
      }
      // IE textarea placeholder bug
      /* istanbul ignore if */
      if (isIE &&
        currentParent.tag === 'textarea' &&
        currentParent.attrsMap.placeholder === text
      ) {
        return
      }
      var children = currentParent.children;
      if (inPre || text.trim()) {
        text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
      } else if (!children.length) {
        // remove the whitespace-only node right after an opening tag
        text = '';
      } else if (whitespaceOption) {
        if (whitespaceOption === 'condense') {
          // in condense mode, remove the whitespace node if it contains
          // line break, otherwise condense to a single space
          text = lineBreakRE.test(text) ? '' : ' ';
        } else {
          text = ' ';
        }
      } else {
        text = preserveWhitespace ? ' ' : '';
      }
      if (text) {
        if (!inPre && whitespaceOption === 'condense') {
          // condense consecutive whitespaces into single space
          text = text.replace(whitespaceRE, ' ');
        }
        var res;
        var child;
        if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
          child = {
            type: 2,
            expression: res.expression,
            tokens: res.tokens,
            text: text
          };
        } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
          child = {
            type: 3,
            text: text
          };
        }
        if (child) {
          if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
            child.start = start;
            child.end = end;
          }
          children.push(child);
        }
      }
    },
    comment: function comment (text, start, end) {
      // adding anything as a sibling to the root node is forbidden
      // comments should still be allowed, but ignored
      if (currentParent) {
        var child = {
          type: 3,
          text: text,
          isComment: true
        };
        if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
          child.start = start;
          child.end = end;
        }
        currentParent.children.push(child);
      }
    }
  });
  return root
}

function processPre (el) {
  if (getAndRemoveAttr(el, 'v-pre') != null) {
    el.pre = true;
  }
}

function processRawAttrs (el) {
  var list = el.attrsList;
  var len = list.length;
  if (len) {
    var attrs = el.attrs = new Array(len);
    for (var i = 0; i < len; i++) {
      attrs[i] = {
        name: list[i].name,
        value: JSON.stringify(list[i].value)
      };
      if (list[i].start != null) {
        attrs[i].start = list[i].start;
        attrs[i].end = list[i].end;
      }
    }
  } else if (!el.pre) {
    // non root node in pre blocks with no attributes
    el.plain = true;
  }
}

function processElement (
  element,
  options
) {
  processKey(element);

  // determine whether this is a plain element after
  // removing structural attributes
  element.plain = (
    !element.key &&
    !element.scopedSlots &&
    !element.attrsList.length
  );

  processRef(element);
  processSlotContent(element);
  processSlotOutlet(element);
  processComponent(element);
  for (var i = 0; i < transforms.length; i++) {
    element = transforms[i](element, options) || element;
  }
  processAttrs(element);
  return element
}

function processKey (el) {
  var exp = getBindingAttr(el, 'key');
  if (exp) {
    if (process.env.NODE_ENV !== 'production') {
      if (el.tag === 'template') {
        warn$1$1(
          "<template> cannot be keyed. Place the key on real elements instead.",
          getRawBindingAttr(el, 'key')
        );
      }
      if (el.for) {
        var iterator = el.iterator2 || el.iterator1;
        var parent = el.parent;
        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
          warn$1$1(
            "Do not use v-for index as key on <transition-group> children, " +
            "this is the same as not using keys.",
            getRawBindingAttr(el, 'key'),
            true /* tip */
          );
        }
      }
    }
    el.key = exp;
  }
}

function processRef (el) {
  var ref = getBindingAttr(el, 'ref');
  if (ref) {
    el.ref = ref;
    el.refInFor = checkInFor(el);
  }
}

function processFor (el) {
  var exp;
  if ((exp = getAndRemoveAttr(el, 'v-for'))) {
    var res = parseFor(exp);
    if (res) {
      extend$1(el, res);
    } else if (process.env.NODE_ENV !== 'production') {
      warn$1$1(
        ("Invalid v-for expression: " + exp),
        el.rawAttrsMap['v-for']
      );
    }
  }
}



function parseFor (exp) {
  var inMatch = exp.match(forAliasRE);
  if (!inMatch) { return }
  var res = {};
  res.for = inMatch[2].trim();
  var alias = inMatch[1].trim().replace(stripParensRE, '');
  var iteratorMatch = alias.match(forIteratorRE);
  if (iteratorMatch) {
    res.alias = alias.replace(forIteratorRE, '').trim();
    res.iterator1 = iteratorMatch[1].trim();
    if (iteratorMatch[2]) {
      res.iterator2 = iteratorMatch[2].trim();
    }
  } else {
    res.alias = alias;
  }
  return res
}

function processIf (el) {
  var exp = getAndRemoveAttr(el, 'v-if');
  if (exp) {
    el.if = exp;
    addIfCondition(el, {
      exp: exp,
      block: el
    });
  } else {
    if (getAndRemoveAttr(el, 'v-else') != null) {
      el.else = true;
    }
    var elseif = getAndRemoveAttr(el, 'v-else-if');
    if (elseif) {
      el.elseif = elseif;
    }
  }
}

function processIfConditions (el, parent) {
  var prev = findPrevElement(parent.children);
  if (prev && prev.if) {
    addIfCondition(prev, {
      exp: el.elseif,
      block: el
    });
  } else if (process.env.NODE_ENV !== 'production') {
    warn$1$1(
      "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
      "used on element <" + (el.tag) + "> without corresponding v-if.",
      el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
    );
  }
}

function findPrevElement (children) {
  var i = children.length;
  while (i--) {
    if (children[i].type === 1) {
      return children[i]
    } else {
      if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
        warn$1$1(
          "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
          "will be ignored.",
          children[i]
        );
      }
      children.pop();
    }
  }
}

function addIfCondition (el, condition) {
  if (!el.ifConditions) {
    el.ifConditions = [];
  }
  el.ifConditions.push(condition);
}

function processOnce (el) {
  var once$$1 = getAndRemoveAttr(el, 'v-once');
  if (once$$1 != null) {
    el.once = true;
  }
}

// handle content being passed to a component as slot,
// e.g. <template slot="xxx">, <div slot-scope="xxx">
function processSlotContent (el) {
  var slotScope;
  if (el.tag === 'template') {
    slotScope = getAndRemoveAttr(el, 'scope');
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production' && slotScope) {
      warn$1$1(
        "the \"scope\" attribute for scoped slots have been deprecated and " +
        "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
        "can also be used on plain elements in addition to <template> to " +
        "denote scoped slots.",
        el.rawAttrsMap['scope'],
        true
      );
    }
    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
  } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production' && el.attrsMap['v-for']) {
      warn$1$1(
        "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
        "(v-for takes higher priority). Use a wrapper <template> for the " +
        "scoped slot to make it clearer.",
        el.rawAttrsMap['slot-scope'],
        true
      );
    }
    el.slotScope = slotScope;
  }

  // slot="xxx"
  var slotTarget = getBindingAttr(el, 'slot');
  if (slotTarget) {
    el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
    // preserve slot as an attribute for native shadow DOM compat
    // only for non-scoped slots.
    if (el.tag !== 'template' && !el.slotScope) {
      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
    }
  }

  // 2.6 v-slot syntax
  {
    if (el.tag === 'template') {
      // v-slot on <template>
      var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding) {
        if (process.env.NODE_ENV !== 'production') {
          if (el.slotTarget || el.slotScope) {
            warn$1$1(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.parent && !maybeComponent(el.parent)) {
            warn$1$1(
              "<template v-slot> can only appear at the root level inside " +
              "the receiving component",
              el
            );
          }
        }
        var ref = getSlotName(slotBinding);
        var name = ref.name;
        var dynamic = ref.dynamic;
        el.slotTarget = name;
        el.slotTargetDynamic = dynamic;
        el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
      }
    } else {
      // v-slot on component, denotes default slot
      var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding$1) {
        if (process.env.NODE_ENV !== 'production') {
          if (!maybeComponent(el)) {
            warn$1$1(
              "v-slot can only be used on components or <template>.",
              slotBinding$1
            );
          }
          if (el.slotScope || el.slotTarget) {
            warn$1$1(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.scopedSlots) {
            warn$1$1(
              "To avoid scope ambiguity, the default slot should also use " +
              "<template> syntax when there are other named slots.",
              slotBinding$1
            );
          }
        }
        // add the component's children to its default slot
        var slots = el.scopedSlots || (el.scopedSlots = {});
        var ref$1 = getSlotName(slotBinding$1);
        var name$1 = ref$1.name;
        var dynamic$1 = ref$1.dynamic;
        var slotContainer = slots[name$1] = createASTElement('template', [], el);
        slotContainer.slotTarget = name$1;
        slotContainer.slotTargetDynamic = dynamic$1;
        slotContainer.children = el.children.filter(function (c) {
          if (!c.slotScope) {
            c.parent = slotContainer;
            return true
          }
        });
        slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
        // remove children as they are returned from scopedSlots now
        el.children = [];
        // mark el non-plain so data gets generated
        el.plain = false;
      }
    }
  }
}

function getSlotName (binding) {
  var name = binding.name.replace(slotRE, '');
  if (!name) {
    if (binding.name[0] !== '#') {
      name = 'default';
    } else if (process.env.NODE_ENV !== 'production') {
      warn$1$1(
        "v-slot shorthand syntax requires a slot name.",
        binding
      );
    }
  }
  return dynamicArgRE.test(name)
    // dynamic [name]
    ? { name: name.slice(1, -1), dynamic: true }
    // static name
    : { name: ("\"" + name + "\""), dynamic: false }
}

// handle <slot/> outlets
function processSlotOutlet (el) {
  if (el.tag === 'slot') {
    el.slotName = getBindingAttr(el, 'name');
    if (process.env.NODE_ENV !== 'production' && el.key) {
      warn$1$1(
        "`key` does not work on <slot> because slots are abstract outlets " +
        "and can possibly expand into multiple elements. " +
        "Use the key on a wrapping element instead.",
        getRawBindingAttr(el, 'key')
      );
    }
  }
}

function processComponent (el) {
  var binding;
  if ((binding = getBindingAttr(el, 'is'))) {
    el.component = binding;
  }
  if (getAndRemoveAttr(el, 'inline-template') != null) {
    el.inlineTemplate = true;
  }
}

function processAttrs (el) {
  var list = el.attrsList;
  var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
  for (i = 0, l = list.length; i < l; i++) {
    name = rawName = list[i].name;
    value = list[i].value;
    if (dirRE.test(name)) {
      // mark element as dynamic
      el.hasBindings = true;
      // modifiers
      modifiers = parseModifiers(name.replace(dirRE, ''));
      // support .foo shorthand syntax for the .prop modifier
      if (modifiers) {
        name = name.replace(modifierRE, '');
      }
      if (bindRE.test(name)) { // v-bind
        name = name.replace(bindRE, '');
        value = parseFilters(value);
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        if (
          process.env.NODE_ENV !== 'production' &&
          value.trim().length === 0
        ) {
          warn$1$1(
            ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
          );
        }
        if (modifiers) {
          if (modifiers.prop && !isDynamic) {
            name = camelize$1(name);
            if (name === 'innerHtml') { name = 'innerHTML'; }
          }
          if (modifiers.camel && !isDynamic) {
            name = camelize$1(name);
          }
          if (modifiers.sync) {
            syncGen = genAssignmentCode(value, "$event");
            if (!isDynamic) {
              addHandler(
                el,
                ("update:" + (camelize$1(name))),
                syncGen,
                null,
                false,
                warn$1$1,
                list[i]
              );
              if (hyphenate$1(name) !== camelize$1(name)) {
                addHandler(
                  el,
                  ("update:" + (hyphenate$1(name))),
                  syncGen,
                  null,
                  false,
                  warn$1$1,
                  list[i]
                );
              }
            } else {
              // handler w/ dynamic event name
              addHandler(
                el,
                ("\"update:\"+(" + name + ")"),
                syncGen,
                null,
                false,
                warn$1$1,
                list[i],
                true // dynamic
              );
            }
          }
        }
        if ((modifiers && modifiers.prop) || (
          !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
        )) {
          addProp(el, name, value, list[i], isDynamic);
        } else {
          addAttr(el, name, value, list[i], isDynamic);
        }
      } else if (onRE.test(name)) { // v-on
        name = name.replace(onRE, '');
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        addHandler(el, name, value, modifiers, false, warn$1$1, list[i], isDynamic);
      } else { // normal directives
        name = name.replace(dirRE, '');
        // parse arg
        var argMatch = name.match(argRE);
        var arg = argMatch && argMatch[1];
        isDynamic = false;
        if (arg) {
          name = name.slice(0, -(arg.length + 1));
          if (dynamicArgRE.test(arg)) {
            arg = arg.slice(1, -1);
            isDynamic = true;
          }
        }
        addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
        if (process.env.NODE_ENV !== 'production' && name === 'model') {
          checkForAliasModel(el, value);
        }
      }
    } else {
      // literal attribute
      if (process.env.NODE_ENV !== 'production') {
        var res = parseText(value, delimiters);
        if (res) {
          warn$1$1(
            name + "=\"" + value + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div id="{{ val }}">, use <div :id="val">.',
            list[i]
          );
        }
      }
      addAttr(el, name, JSON.stringify(value), list[i]);
      // #6887 firefox doesn't update muted state if set via attribute
      // even immediately after element creation
      if (!el.component &&
          name === 'muted' &&
          platformMustUseProp(el.tag, el.attrsMap.type, name)) {
        addProp(el, name, 'true', list[i]);
      }
    }
  }
}

function checkInFor (el) {
  var parent = el;
  while (parent) {
    if (parent.for !== undefined) {
      return true
    }
    parent = parent.parent;
  }
  return false
}

function parseModifiers (name) {
  var match = name.match(modifierRE);
  if (match) {
    var ret = {};
    match.forEach(function (m) { ret[m.slice(1)] = true; });
    return ret
  }
}

function makeAttrsMap (attrs) {
  var map = {};
  for (var i = 0, l = attrs.length; i < l; i++) {
    if (
      process.env.NODE_ENV !== 'production' &&
      map[attrs[i].name] && !isIE && !isEdge$1
    ) {
      warn$1$1('duplicate attribute: ' + attrs[i].name, attrs[i]);
    }
    map[attrs[i].name] = attrs[i].value;
  }
  return map
}

// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
  return el.tag === 'script' || el.tag === 'style'
}

function isForbiddenTag (el) {
  return (
    el.tag === 'style' ||
    (el.tag === 'script' && (
      !el.attrsMap.type ||
      el.attrsMap.type === 'text/javascript'
    ))
  )
}

var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;

/* istanbul ignore next */
function guardIESVGBug (attrs) {
  var res = [];
  for (var i = 0; i < attrs.length; i++) {
    var attr = attrs[i];
    if (!ieNSBug.test(attr.name)) {
      attr.name = attr.name.replace(ieNSPrefix, '');
      res.push(attr);
    }
  }
  return res
}

function checkForAliasModel (el, value) {
  var _el = el;
  while (_el) {
    if (_el.for && _el.alias === value) {
      warn$1$1(
        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
        "You are binding v-model directly to a v-for iteration alias. " +
        "This will not be able to modify the v-for source array because " +
        "writing to the alias is like modifying a function local variable. " +
        "Consider using an array of objects and use v-model on an object property instead.",
        el.rawAttrsMap['v-model']
      );
    }
    _el = _el.parent;
  }
}

/*  */

function preTransformNode (el, options) {
  if (el.tag === 'input') {
    var map = el.attrsMap;
    if (!map['v-model']) {
      return
    }

    var typeBinding;
    if (map[':type'] || map['v-bind:type']) {
      typeBinding = getBindingAttr(el, 'type');
    }
    if (!map.type && !typeBinding && map['v-bind']) {
      typeBinding = "(" + (map['v-bind']) + ").type";
    }

    if (typeBinding) {
      var ifCondition = getAndRemoveAttr(el, 'v-if', true);
      var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
      var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
      var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
      // 1. checkbox
      var branch0 = cloneASTElement(el);
      // process for on the main node
      processFor(branch0);
      addRawAttr(branch0, 'type', 'checkbox');
      processElement(branch0, options);
      branch0.processed = true; // prevent it from double-processed
      branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
      addIfCondition(branch0, {
        exp: branch0.if,
        block: branch0
      });
      // 2. add radio else-if condition
      var branch1 = cloneASTElement(el);
      getAndRemoveAttr(branch1, 'v-for', true);
      addRawAttr(branch1, 'type', 'radio');
      processElement(branch1, options);
      addIfCondition(branch0, {
        exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
        block: branch1
      });
      // 3. other
      var branch2 = cloneASTElement(el);
      getAndRemoveAttr(branch2, 'v-for', true);
      addRawAttr(branch2, ':type', typeBinding);
      processElement(branch2, options);
      addIfCondition(branch0, {
        exp: ifCondition,
        block: branch2
      });

      if (hasElse) {
        branch0.else = true;
      } else if (elseIfCondition) {
        branch0.elseif = elseIfCondition;
      }

      return branch0
    }
  }
}

function cloneASTElement (el) {
  return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}

var model = {
  preTransformNode: preTransformNode
};

var modules = [
  klass,
  style,
  model
];

/*  */

var warn$2;

// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';

function model$1 (
  el,
  dir,
  _warn
) {
  warn$2 = _warn;
  var value = dir.value;
  var modifiers = dir.modifiers;
  var tag = el.tag;
  var type = el.attrsMap.type;

  if (process.env.NODE_ENV !== 'production') {
    // inputs with type="file" are read only and setting the input's
    // value will throw an error.
    if (tag === 'input' && type === 'file') {
      warn$2(
        "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
        "File inputs are read only. Use a v-on:change listener instead.",
        el.rawAttrsMap['v-model']
      );
    }
  }

  if (el.component) {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  } else if (tag === 'select') {
    genSelect(el, value, modifiers);
  } else if (tag === 'input' && type === 'checkbox') {
    genCheckboxModel(el, value, modifiers);
  } else if (tag === 'input' && type === 'radio') {
    genRadioModel(el, value, modifiers);
  } else if (tag === 'input' || tag === 'textarea') {
    genDefaultModel(el, value, modifiers);
  } else {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  }

  // ensure runtime directive metadata
  return true
}

function genCheckboxModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
  addProp(el, 'checked',
    "Array.isArray(" + value + ")" +
    "?_i(" + value + "," + valueBinding + ")>-1" + (
      trueValueBinding === 'true'
        ? (":(" + value + ")")
        : (":_q(" + value + "," + trueValueBinding + ")")
    )
  );
  addHandler(el, 'change',
    "var $$a=" + value + "," +
        '$$el=$event.target,' +
        "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
    'if(Array.isArray($$a)){' +
      "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
          '$$i=_i($$a,$$v);' +
      "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
      "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
    "}else{" + (genAssignmentCode(value, '$$c')) + "}",
    null, true
  );
}

function genRadioModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
  addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
  addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}

function genSelect (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var selectedVal = "Array.prototype.filter" +
    ".call($event.target.options,function(o){return o.selected})" +
    ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
    "return " + (number ? '_n(val)' : 'val') + "})";

  var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
  var code = "var $$selectedVal = " + selectedVal + ";";
  code = code + " " + (genAssignmentCode(value, assignment));
  addHandler(el, 'change', code, null, true);
}

function genDefaultModel (
  el,
  value,
  modifiers
) {
  var type = el.attrsMap.type;

  // warn if v-bind:value conflicts with v-model
  // except for inputs with v-bind:type
  if (process.env.NODE_ENV !== 'production') {
    var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
    var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
    if (value$1 && !typeBinding) {
      var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
      warn$2(
        binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
        'because the latter already expands to a value binding internally',
        el.rawAttrsMap[binding]
      );
    }
  }

  var ref = modifiers || {};
  var lazy = ref.lazy;
  var number = ref.number;
  var trim = ref.trim;
  var needCompositionGuard = !lazy && type !== 'range';
  var event = lazy
    ? 'change'
    : type === 'range'
      ? RANGE_TOKEN
      : 'input';

  var valueExpression = '$event.target.value';
  if (trim) {
    valueExpression = "$event.target.value.trim()";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }

  var code = genAssignmentCode(value, valueExpression);
  if (needCompositionGuard) {
    code = "if($event.target.composing)return;" + code;
  }

  addProp(el, 'value', ("(" + value + ")"));
  addHandler(el, event, code, null, true);
  if (trim || number) {
    addHandler(el, 'blur', '$forceUpdate()');
  }
}

/*  */

function text (el, dir) {
  if (dir.value) {
    addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
  }
}

/*  */

function html$2 (el, dir) {
  if (dir.value) {
    addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
  }
}

var directives$1 = {
  model: model$1,
  text: text,
  html: html$2
};

/*  */

var baseOptions = {
  expectHTML: true,
  modules: modules,
  directives: directives$1,
  isPreTag: isPreTag,
  isUnaryTag: isUnaryTag,
  mustUseProp: mustUseProp,
  canBeLeftOpenTag: canBeLeftOpenTag,
  isReservedTag: isReservedTag$1,
  getTagNamespace: getTagNamespace,
  staticKeys: genStaticKeys(modules)
};

/*  */

var isStaticKey;
var isPlatformReservedTag;

var genStaticKeysCached = cached$1(genStaticKeys$1);

/**
 * Goal of the optimizer: walk the generated template AST tree
 * and detect sub-trees that are purely static, i.e. parts of
 * the DOM that never needs to change.
 *
 * Once we detect these sub-trees, we can:
 *
 * 1. Hoist them into constants, so that we no longer need to
 *    create fresh nodes for them on each re-render;
 * 2. Completely skip them in the patching process.
 */
function optimize (root, options) {
  if (!root) { return }
  isStaticKey = genStaticKeysCached(options.staticKeys || '');
  isPlatformReservedTag = options.isReservedTag || no;
  // first pass: mark all non-static nodes.
  markStatic(root);
  // second pass: mark static roots.
  markStaticRoots(root, false);
}

function genStaticKeys$1 (keys) {
  return makeMap$1(
    'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
    (keys ? ',' + keys : '')
  )
}

function markStatic (node) {
  node.static = isStatic(node);
  if (node.type === 1) {
    // do not make component slot content static. this avoids
    // 1. components not able to mutate slot nodes
    // 2. static slot content fails for hot-reloading
    if (
      !isPlatformReservedTag(node.tag) &&
      node.tag !== 'slot' &&
      node.attrsMap['inline-template'] == null
    ) {
      return
    }
    for (var i = 0, l = node.children.length; i < l; i++) {
      var child = node.children[i];
      markStatic(child);
      if (!child.static) {
        node.static = false;
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        var block = node.ifConditions[i$1].block;
        markStatic(block);
        if (!block.static) {
          node.static = false;
        }
      }
    }
  }
}

function markStaticRoots (node, isInFor) {
  if (node.type === 1) {
    if (node.static || node.once) {
      node.staticInFor = isInFor;
    }
    // For a node to qualify as a static root, it should have children that
    // are not just static text. Otherwise the cost of hoisting out will
    // outweigh the benefits and it's better off to just always render it fresh.
    if (node.static && node.children.length && !(
      node.children.length === 1 &&
      node.children[0].type === 3
    )) {
      node.staticRoot = true;
      return
    } else {
      node.staticRoot = false;
    }
    if (node.children) {
      for (var i = 0, l = node.children.length; i < l; i++) {
        markStaticRoots(node.children[i], isInFor || !!node.for);
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        markStaticRoots(node.ifConditions[i$1].block, isInFor);
      }
    }
  }
}

function isStatic (node) {
  if (node.type === 2) { // expression
    return false
  }
  if (node.type === 3) { // text
    return true
  }
  return !!(node.pre || (
    !node.hasBindings && // no dynamic bindings
    !node.if && !node.for && // not v-if or v-for or v-else
    !isBuiltInTag(node.tag) && // not a built-in
    isPlatformReservedTag(node.tag) && // not a component
    !isDirectChildOfTemplateFor(node) &&
    Object.keys(node).every(isStaticKey)
  ))
}

function isDirectChildOfTemplateFor (node) {
  while (node.parent) {
    node = node.parent;
    if (node.tag !== 'template') {
      return false
    }
    if (node.for) {
      return true
    }
  }
  return false
}

/*  */

var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
var fnInvokeRE = /\([^)]*?\);*$/;
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;

// KeyboardEvent.keyCode aliases
var keyCodes = {
  esc: 27,
  tab: 9,
  enter: 13,
  space: 32,
  up: 38,
  left: 37,
  right: 39,
  down: 40,
  'delete': [8, 46]
};

// KeyboardEvent.key aliases
var keyNames = {
  // #7880: IE11 and Edge use `Esc` for Escape key name.
  esc: ['Esc', 'Escape'],
  tab: 'Tab',
  enter: 'Enter',
  // #9112: IE11 uses `Spacebar` for Space key name.
  space: [' ', 'Spacebar'],
  // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
  up: ['Up', 'ArrowUp'],
  left: ['Left', 'ArrowLeft'],
  right: ['Right', 'ArrowRight'],
  down: ['Down', 'ArrowDown'],
  // #9112: IE11 uses `Del` for Delete key name.
  'delete': ['Backspace', 'Delete', 'Del']
};

// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };

var modifierCode = {
  stop: '$event.stopPropagation();',
  prevent: '$event.preventDefault();',
  self: genGuard("$event.target !== $event.currentTarget"),
  ctrl: genGuard("!$event.ctrlKey"),
  shift: genGuard("!$event.shiftKey"),
  alt: genGuard("!$event.altKey"),
  meta: genGuard("!$event.metaKey"),
  left: genGuard("'button' in $event && $event.button !== 0"),
  middle: genGuard("'button' in $event && $event.button !== 1"),
  right: genGuard("'button' in $event && $event.button !== 2")
};

function genHandlers (
  events,
  isNative
) {
  var prefix = isNative ? 'nativeOn:' : 'on:';
  var staticHandlers = "";
  var dynamicHandlers = "";
  for (var name in events) {
    var handlerCode = genHandler(events[name]);
    if (events[name] && events[name].dynamic) {
      dynamicHandlers += name + "," + handlerCode + ",";
    } else {
      staticHandlers += "\"" + name + "\":" + handlerCode + ",";
    }
  }
  staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
  if (dynamicHandlers) {
    return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
  } else {
    return prefix + staticHandlers
  }
}

function genHandler (handler) {
  if (!handler) {
    return 'function(){}'
  }

  if (Array.isArray(handler)) {
    return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
  }

  var isMethodPath = simplePathRE.test(handler.value);
  var isFunctionExpression = fnExpRE.test(handler.value);
  var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));

  if (!handler.modifiers) {
    if (isMethodPath || isFunctionExpression) {
      return handler.value
    }
    return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
  } else {
    var code = '';
    var genModifierCode = '';
    var keys = [];
    for (var key in handler.modifiers) {
      if (modifierCode[key]) {
        genModifierCode += modifierCode[key];
        // left/right
        if (keyCodes[key]) {
          keys.push(key);
        }
      } else if (key === 'exact') {
        var modifiers = (handler.modifiers);
        genModifierCode += genGuard(
          ['ctrl', 'shift', 'alt', 'meta']
            .filter(function (keyModifier) { return !modifiers[keyModifier]; })
            .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
            .join('||')
        );
      } else {
        keys.push(key);
      }
    }
    if (keys.length) {
      code += genKeyFilter(keys);
    }
    // Make sure modifiers like prevent and stop get executed after key filtering
    if (genModifierCode) {
      code += genModifierCode;
    }
    var handlerCode = isMethodPath
      ? ("return " + (handler.value) + "($event)")
      : isFunctionExpression
        ? ("return (" + (handler.value) + ")($event)")
        : isFunctionInvocation
          ? ("return " + (handler.value))
          : handler.value;
    return ("function($event){" + code + handlerCode + "}")
  }
}

function genKeyFilter (keys) {
  return (
    // make sure the key filters only apply to KeyboardEvents
    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
    // key events that do not have keyCode property...
    "if(!$event.type.indexOf('key')&&" +
    (keys.map(genFilterCode).join('&&')) + ")return null;"
  )
}

function genFilterCode (key) {
  var keyVal = parseInt(key, 10);
  if (keyVal) {
    return ("$event.keyCode!==" + keyVal)
  }
  var keyCode = keyCodes[key];
  var keyName = keyNames[key];
  return (
    "_k($event.keyCode," +
    (JSON.stringify(key)) + "," +
    (JSON.stringify(keyCode)) + "," +
    "$event.key," +
    "" + (JSON.stringify(keyName)) +
    ")"
  )
}

/*  */

function on (el, dir) {
  if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
    warn$1("v-on without argument does not support modifiers.");
  }
  el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}

/*  */

function bind$1 (el, dir) {
  el.wrapData = function (code) {
    return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
  };
}

/*  */

var baseDirectives = {
  on: on,
  bind: bind$1,
  cloak: noop
};

/*  */





var CodegenState = function CodegenState (options) {
  this.options = options;
  this.warn = options.warn || baseWarn;
  this.transforms = pluckModuleFunction(options.modules, 'transformCode');
  this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
  this.directives = extend$1(extend$1({}, baseDirectives), options.directives);
  var isReservedTag = options.isReservedTag || no;
  this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
  this.onceId = 0;
  this.staticRenderFns = [];
  this.pre = false;
};



function generate (
  ast,
  options
) {
  var state = new CodegenState(options);
  var code = ast ? genElement(ast, state) : '_c("div")';
  return {
    render: ("with(this){return " + code + "}"),
    staticRenderFns: state.staticRenderFns
  }
}

function genElement (el, state) {
  if (el.parent) {
    el.pre = el.pre || el.parent.pre;
  }

  if (el.staticRoot && !el.staticProcessed) {
    return genStatic(el, state)
  } else if (el.once && !el.onceProcessed) {
    return genOnce(el, state)
  } else if (el.for && !el.forProcessed) {
    return genFor(el, state)
  } else if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
    return genChildren(el, state) || 'void 0'
  } else if (el.tag === 'slot') {
    return genSlot(el, state)
  } else {
    // component or element
    var code;
    if (el.component) {
      code = genComponent(el.component, el, state);
    } else {
      var data;
      if (!el.plain || (el.pre && state.maybeComponent(el))) {
        data = genData$2(el, state);
      }

      var children = el.inlineTemplate ? null : genChildren(el, state, true);
      code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
    }
    // module transforms
    for (var i = 0; i < state.transforms.length; i++) {
      code = state.transforms[i](el, code);
    }
    return code
  }
}

// hoist static sub-trees out
function genStatic (el, state) {
  el.staticProcessed = true;
  // Some elements (templates) need to behave differently inside of a v-pre
  // node.  All pre nodes are static roots, so we can use this as a location to
  // wrap a state change and reset it upon exiting the pre node.
  var originalPreState = state.pre;
  if (el.pre) {
    state.pre = el.pre;
  }
  state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
  state.pre = originalPreState;
  return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}

// v-once
function genOnce (el, state) {
  el.onceProcessed = true;
  if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.staticInFor) {
    var key = '';
    var parent = el.parent;
    while (parent) {
      if (parent.for) {
        key = parent.key;
        break
      }
      parent = parent.parent;
    }
    if (!key) {
      process.env.NODE_ENV !== 'production' && state.warn(
        "v-once can only be used inside v-for that is keyed. ",
        el.rawAttrsMap['v-once']
      );
      return genElement(el, state)
    }
    return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
  } else {
    return genStatic(el, state)
  }
}

function genIf (
  el,
  state,
  altGen,
  altEmpty
) {
  el.ifProcessed = true; // avoid recursion
  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}

function genIfConditions (
  conditions,
  state,
  altGen,
  altEmpty
) {
  if (!conditions.length) {
    return altEmpty || '_e()'
  }

  var condition = conditions.shift();
  if (condition.exp) {
    return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
  } else {
    return ("" + (genTernaryExp(condition.block)))
  }

  // v-if with v-once should generate code like (a)?_m(0):_m(1)
  function genTernaryExp (el) {
    return altGen
      ? altGen(el, state)
      : el.once
        ? genOnce(el, state)
        : genElement(el, state)
  }
}

function genFor (
  el,
  state,
  altGen,
  altHelper
) {
  var exp = el.for;
  var alias = el.alias;
  var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
  var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';

  if (process.env.NODE_ENV !== 'production' &&
    state.maybeComponent(el) &&
    el.tag !== 'slot' &&
    el.tag !== 'template' &&
    !el.key
  ) {
    state.warn(
      "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
      "v-for should have explicit keys. " +
      "See https://vuejs.org/guide/list.html#key for more info.",
      el.rawAttrsMap['v-for'],
      true /* tip */
    );
  }

  el.forProcessed = true; // avoid recursion
  return (altHelper || '_l') + "((" + exp + ")," +
    "function(" + alias + iterator1 + iterator2 + "){" +
      "return " + ((altGen || genElement)(el, state)) +
    '})'
}

function genData$2 (el, state) {
  var data = '{';

  // directives first.
  // directives may mutate the el's other properties before they are generated.
  var dirs = genDirectives(el, state);
  if (dirs) { data += dirs + ','; }

  // key
  if (el.key) {
    data += "key:" + (el.key) + ",";
  }
  // ref
  if (el.ref) {
    data += "ref:" + (el.ref) + ",";
  }
  if (el.refInFor) {
    data += "refInFor:true,";
  }
  // pre
  if (el.pre) {
    data += "pre:true,";
  }
  // record original tag name for components using "is" attribute
  if (el.component) {
    data += "tag:\"" + (el.tag) + "\",";
  }
  // module data generation functions
  for (var i = 0; i < state.dataGenFns.length; i++) {
    data += state.dataGenFns[i](el);
  }
  // attributes
  if (el.attrs) {
    data += "attrs:" + (genProps(el.attrs)) + ",";
  }
  // DOM props
  if (el.props) {
    data += "domProps:" + (genProps(el.props)) + ",";
  }
  // event handlers
  if (el.events) {
    data += (genHandlers(el.events, false)) + ",";
  }
  if (el.nativeEvents) {
    data += (genHandlers(el.nativeEvents, true)) + ",";
  }
  // slot target
  // only for non-scoped slots
  if (el.slotTarget && !el.slotScope) {
    data += "slot:" + (el.slotTarget) + ",";
  }
  // scoped slots
  if (el.scopedSlots) {
    data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
  }
  // component v-model
  if (el.model) {
    data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
  }
  // inline-template
  if (el.inlineTemplate) {
    var inlineTemplate = genInlineTemplate(el, state);
    if (inlineTemplate) {
      data += inlineTemplate + ",";
    }
  }
  data = data.replace(/,$/, '') + '}';
  // v-bind dynamic argument wrap
  // v-bind with dynamic arguments must be applied using the same v-bind object
  // merge helper so that class/style/mustUseProp attrs are handled correctly.
  if (el.dynamicAttrs) {
    data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
  }
  // v-bind data wrap
  if (el.wrapData) {
    data = el.wrapData(data);
  }
  // v-on data wrap
  if (el.wrapListeners) {
    data = el.wrapListeners(data);
  }
  return data
}

function genDirectives (el, state) {
  var dirs = el.directives;
  if (!dirs) { return }
  var res = 'directives:[';
  var hasRuntime = false;
  var i, l, dir, needRuntime;
  for (i = 0, l = dirs.length; i < l; i++) {
    dir = dirs[i];
    needRuntime = true;
    var gen = state.directives[dir.name];
    if (gen) {
      // compile-time directive that manipulates AST.
      // returns true if it also needs a runtime counterpart.
      needRuntime = !!gen(el, dir, state.warn);
    }
    if (needRuntime) {
      hasRuntime = true;
      res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
    }
  }
  if (hasRuntime) {
    return res.slice(0, -1) + ']'
  }
}

function genInlineTemplate (el, state) {
  var ast = el.children[0];
  if (process.env.NODE_ENV !== 'production' && (
    el.children.length !== 1 || ast.type !== 1
  )) {
    state.warn(
      'Inline-template components must have exactly one child element.',
      { start: el.start }
    );
  }
  if (ast && ast.type === 1) {
    var inlineRenderFns = generate(ast, state.options);
    return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
  }
}

function genScopedSlots (
  el,
  slots,
  state
) {
  // by default scoped slots are considered "stable", this allows child
  // components with only scoped slots to skip forced updates from parent.
  // but in some cases we have to bail-out of this optimization
  // for example if the slot contains dynamic names, has v-if or v-for on them...
  var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
    var slot = slots[key];
    return (
      slot.slotTargetDynamic ||
      slot.if ||
      slot.for ||
      containsSlotChild(slot) // is passing down slot from parent which may be dynamic
    )
  });

  // #9534: if a component with scoped slots is inside a conditional branch,
  // it's possible for the same component to be reused but with different
  // compiled slot content. To avoid that, we generate a unique key based on
  // the generated code of all the slot contents.
  var needsKey = !!el.if;

  // OR when it is inside another scoped slot or v-for (the reactivity may be
  // disconnected due to the intermediate scope variable)
  // #9438, #9506
  // TODO: this can be further optimized by properly analyzing in-scope bindings
  // and skip force updating ones that do not actually use scope variables.
  if (!needsForceUpdate) {
    var parent = el.parent;
    while (parent) {
      if (
        (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
        parent.for
      ) {
        needsForceUpdate = true;
        break
      }
      if (parent.if) {
        needsKey = true;
      }
      parent = parent.parent;
    }
  }

  var generatedSlots = Object.keys(slots)
    .map(function (key) { return genScopedSlot(slots[key], state); })
    .join(',');

  return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
}

function hash(str) {
  var hash = 5381;
  var i = str.length;
  while(i) {
    hash = (hash * 33) ^ str.charCodeAt(--i);
  }
  return hash >>> 0
}

function containsSlotChild (el) {
  if (el.type === 1) {
    if (el.tag === 'slot') {
      return true
    }
    return el.children.some(containsSlotChild)
  }
  return false
}

function genScopedSlot (
  el,
  state
) {
  var isLegacySyntax = el.attrsMap['slot-scope'];
  if (el.if && !el.ifProcessed && !isLegacySyntax) {
    return genIf(el, state, genScopedSlot, "null")
  }
  if (el.for && !el.forProcessed) {
    return genFor(el, state, genScopedSlot)
  }
  var slotScope = el.slotScope === emptySlotScopeToken
    ? ""
    : String(el.slotScope);
  var fn = "function(" + slotScope + "){" +
    "return " + (el.tag === 'template'
      ? el.if && isLegacySyntax
        ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
        : genChildren(el, state) || 'undefined'
      : genElement(el, state)) + "}";
  // reverse proxy v-slot without scope on this.$slots
  var reverseProxy = slotScope ? "" : ",proxy:true";
  return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
}

function genChildren (
  el,
  state,
  checkSkip,
  altGenElement,
  altGenNode
) {
  var children = el.children;
  if (children.length) {
    var el$1 = children[0];
    // optimize single v-for
    if (children.length === 1 &&
      el$1.for &&
      el$1.tag !== 'template' &&
      el$1.tag !== 'slot'
    ) {
      var normalizationType = checkSkip
        ? state.maybeComponent(el$1) ? ",1" : ",0"
        : "";
      return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
    }
    var normalizationType$1 = checkSkip
      ? getNormalizationType(children, state.maybeComponent)
      : 0;
    var gen = altGenNode || genNode;
    return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
  }
}

// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
  children,
  maybeComponent
) {
  var res = 0;
  for (var i = 0; i < children.length; i++) {
    var el = children[i];
    if (el.type !== 1) {
      continue
    }
    if (needsNormalization(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
      res = 2;
      break
    }
    if (maybeComponent(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
      res = 1;
    }
  }
  return res
}

function needsNormalization (el) {
  return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}

function genNode (node, state) {
  if (node.type === 1) {
    return genElement(node, state)
  } else if (node.type === 3 && node.isComment) {
    return genComment(node)
  } else {
    return genText(node)
  }
}

function genText (text) {
  return ("_v(" + (text.type === 2
    ? text.expression // no need for () because already wrapped in _s()
    : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}

function genComment (comment) {
  return ("_e(" + (JSON.stringify(comment.text)) + ")")
}

function genSlot (el, state) {
  var slotName = el.slotName || '"default"';
  var children = genChildren(el, state);
  var res = "_t(" + slotName + (children ? ("," + children) : '');
  var attrs = el.attrs || el.dynamicAttrs
    ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
        // slot props are camelized
        name: camelize$1(attr.name),
        value: attr.value,
        dynamic: attr.dynamic
      }); }))
    : null;
  var bind$$1 = el.attrsMap['v-bind'];
  if ((attrs || bind$$1) && !children) {
    res += ",null";
  }
  if (attrs) {
    res += "," + attrs;
  }
  if (bind$$1) {
    res += (attrs ? '' : ',null') + "," + bind$$1;
  }
  return res + ')'
}

// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
  componentName,
  el,
  state
) {
  var children = el.inlineTemplate ? null : genChildren(el, state, true);
  return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}

function genProps (props) {
  var staticProps = "";
  var dynamicProps = "";
  for (var i = 0; i < props.length; i++) {
    var prop = props[i];
    var value = transformSpecialNewlines(prop.value);
    if (prop.dynamic) {
      dynamicProps += (prop.name) + "," + value + ",";
    } else {
      staticProps += "\"" + (prop.name) + "\":" + value + ",";
    }
  }
  staticProps = "{" + (staticProps.slice(0, -1)) + "}";
  if (dynamicProps) {
    return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
  } else {
    return staticProps
  }
}

// #3895, #4268
function transformSpecialNewlines (text) {
  return text
    .replace(/\u2028/g, '\\u2028')
    .replace(/\u2029/g, '\\u2029')
}

/*  */



// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
  'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
  'super,throw,while,yield,delete,export,import,return,switch,default,' +
  'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');

// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
  'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');

// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;

// detect problematic expressions in a template
function detectErrors (ast, warn) {
  if (ast) {
    checkNode(ast, warn);
  }
}

function checkNode (node, warn) {
  if (node.type === 1) {
    for (var name in node.attrsMap) {
      if (dirRE.test(name)) {
        var value = node.attrsMap[name];
        if (value) {
          var range = node.rawAttrsMap[name];
          if (name === 'v-for') {
            checkFor(node, ("v-for=\"" + value + "\""), warn, range);
          } else if (name === 'v-slot' || name[0] === '#') {
            checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
          } else if (onRE.test(name)) {
            checkEvent(value, (name + "=\"" + value + "\""), warn, range);
          } else {
            checkExpression(value, (name + "=\"" + value + "\""), warn, range);
          }
        }
      }
    }
    if (node.children) {
      for (var i = 0; i < node.children.length; i++) {
        checkNode(node.children[i], warn);
      }
    }
  } else if (node.type === 2) {
    checkExpression(node.expression, node.text, warn, node);
  }
}

function checkEvent (exp, text, warn, range) {
  var stripped = exp.replace(stripStringRE, '');
  var keywordMatch = stripped.match(unaryOperatorsRE);
  if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
    warn(
      "avoid using JavaScript unary operator as property name: " +
      "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
      range
    );
  }
  checkExpression(exp, text, warn, range);
}

function checkFor (node, text, warn, range) {
  checkExpression(node.for || '', text, warn, range);
  checkIdentifier(node.alias, 'v-for alias', text, warn, range);
  checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
  checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
}

function checkIdentifier (
  ident,
  type,
  text,
  warn,
  range
) {
  if (typeof ident === 'string') {
    try {
      new Function(("var " + ident + "=_"));
    } catch (e) {
      warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
    }
  }
}

function checkExpression (exp, text, warn, range) {
  try {
    new Function(("return " + exp));
  } catch (e) {
    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
    if (keywordMatch) {
      warn(
        "avoid using JavaScript keyword as property name: " +
        "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
        range
      );
    } else {
      warn(
        "invalid expression: " + (e.message) + " in\n\n" +
        "    " + exp + "\n\n" +
        "  Raw expression: " + (text.trim()) + "\n",
        range
      );
    }
  }
}

function checkFunctionParameterExpression (exp, text, warn, range) {
  try {
    new Function(exp, '');
  } catch (e) {
    warn(
      "invalid function parameter expression: " + (e.message) + " in\n\n" +
      "    " + exp + "\n\n" +
      "  Raw expression: " + (text.trim()) + "\n",
      range
    );
  }
}

/*  */

var range = 2;

function generateCodeFrame (
  source,
  start,
  end
) {
  if ( start === void 0 ) start = 0;
  if ( end === void 0 ) end = source.length;

  var lines = source.split(/\r?\n/);
  var count = 0;
  var res = [];
  for (var i = 0; i < lines.length; i++) {
    count += lines[i].length + 1;
    if (count >= start) {
      for (var j = i - range; j <= i + range || end > count; j++) {
        if (j < 0 || j >= lines.length) { continue }
        res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
        var lineLength = lines[j].length;
        if (j === i) {
          // push underline
          var pad = start - (count - lineLength) + 1;
          var length = end > count ? lineLength - pad : end - start;
          res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
        } else if (j > i) {
          if (end > count) {
            var length$1 = Math.min(end - count, lineLength);
            res.push("   |  " + repeat$1("^", length$1));
          }
          count += lineLength + 1;
        }
      }
      break
    }
  }
  return res.join('\n')
}

function repeat$1 (str, n) {
  var result = '';
  if (n > 0) {
    while (true) { // eslint-disable-line
      if (n & 1) { result += str; }
      n >>>= 1;
      if (n <= 0) { break }
      str += str;
    }
  }
  return result
}

/*  */



function createFunction (code, errors) {
  try {
    return new Function(code)
  } catch (err) {
    errors.push({ err: err, code: code });
    return noop
  }
}

function createCompileToFunctionFn (compile) {
  var cache = Object.create(null);

  return function compileToFunctions (
    template,
    options,
    vm
  ) {
    options = extend$1({}, options);
    var warn$$1 = options.warn || warn$1;
    delete options.warn;

    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production') {
      // detect possible CSP restriction
      try {
        new Function('return 1');
      } catch (e) {
        if (e.toString().match(/unsafe-eval|CSP/)) {
          warn$$1(
            'It seems you are using the standalone build of Vue.js in an ' +
            'environment with Content Security Policy that prohibits unsafe-eval. ' +
            'The template compiler cannot work in this environment. Consider ' +
            'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
            'templates into render functions.'
          );
        }
      }
    }

    // check cache
    var key = options.delimiters
      ? String(options.delimiters) + template
      : template;
    if (cache[key]) {
      return cache[key]
    }

    // compile
    var compiled = compile(template, options);

    // check compilation errors/tips
    if (process.env.NODE_ENV !== 'production') {
      if (compiled.errors && compiled.errors.length) {
        if (options.outputSourceRange) {
          compiled.errors.forEach(function (e) {
            warn$$1(
              "Error compiling template:\n\n" + (e.msg) + "\n\n" +
              generateCodeFrame(template, e.start, e.end),
              vm
            );
          });
        } else {
          warn$$1(
            "Error compiling template:\n\n" + template + "\n\n" +
            compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
            vm
          );
        }
      }
      if (compiled.tips && compiled.tips.length) {
        if (options.outputSourceRange) {
          compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
        } else {
          compiled.tips.forEach(function (msg) { return tip(msg, vm); });
        }
      }
    }

    // turn code into functions
    var res = {};
    var fnGenErrors = [];
    res.render = createFunction(compiled.render, fnGenErrors);
    res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
      return createFunction(code, fnGenErrors)
    });

    // check function generation errors.
    // this should only happen if there is a bug in the compiler itself.
    // mostly for codegen development use
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production') {
      if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
        warn$$1(
          "Failed to generate render function:\n\n" +
          fnGenErrors.map(function (ref) {
            var err = ref.err;
            var code = ref.code;

            return ((err.toString()) + " in\n\n" + code + "\n");
        }).join('\n'),
          vm
        );
      }
    }

    return (cache[key] = res)
  }
}

/*  */

function createCompilerCreator (baseCompile) {
  return function createCompiler (baseOptions) {
    function compile (
      template,
      options
    ) {
      var finalOptions = Object.create(baseOptions);
      var errors = [];
      var tips = [];

      var warn = function (msg, range, tip) {
        (tip ? tips : errors).push(msg);
      };

      if (options) {
        if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
          // $flow-disable-line
          var leadingSpaceLength = template.match(/^\s*/)[0].length;

          warn = function (msg, range, tip) {
            var data = { msg: msg };
            if (range) {
              if (range.start != null) {
                data.start = range.start + leadingSpaceLength;
              }
              if (range.end != null) {
                data.end = range.end + leadingSpaceLength;
              }
            }
            (tip ? tips : errors).push(data);
          };
        }
        // merge custom modules
        if (options.modules) {
          finalOptions.modules =
            (baseOptions.modules || []).concat(options.modules);
        }
        // merge custom directives
        if (options.directives) {
          finalOptions.directives = extend$1(
            Object.create(baseOptions.directives || null),
            options.directives
          );
        }
        // copy other options
        for (var key in options) {
          if (key !== 'modules' && key !== 'directives') {
            finalOptions[key] = options[key];
          }
        }
      }

      finalOptions.warn = warn;

      var compiled = baseCompile(template.trim(), finalOptions);
      if (process.env.NODE_ENV !== 'production') {
        detectErrors(compiled.ast, warn);
      }
      compiled.errors = errors;
      compiled.tips = tips;
      return compiled
    }

    return {
      compile: compile,
      compileToFunctions: createCompileToFunctionFn(compile)
    }
  }
}

/*  */

// `createCompilerCreator` allows creating compilers that use alternative
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
// Here we just export a default compiler using the default parts.
var createCompiler = createCompilerCreator(function baseCompile (
  template,
  options
) {
  var ast = parse(template.trim(), options);
  if (options.optimize !== false) {
    optimize(ast, options);
  }
  var code = generate(ast, options);
  return {
    ast: ast,
    render: code.render,
    staticRenderFns: code.staticRenderFns
  }
});

/*  */

var ref = createCompiler(baseOptions);
var compile = ref.compile;
var compileToFunctions = ref.compileToFunctions;

/*  */

var isAttr = makeMap$1(
  'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
  'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
  'checked,cite,class,code,codebase,color,cols,colspan,content,' +
  'contenteditable,contextmenu,controls,coords,data,datetime,default,' +
  'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,for,' +
  'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
  'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
  'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
  'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
  'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
  'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
  'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
  'target,title,usemap,value,width,wrap'
);

/* istanbul ignore next */
var isRenderableAttr = function (name) {
  return (
    isAttr(name) ||
    name.indexOf('data-') === 0 ||
    name.indexOf('aria-') === 0
  )
};

var propsToAttrMap = {
  acceptCharset: 'accept-charset',
  className: 'class',
  htmlFor: 'for',
  httpEquiv: 'http-equiv'
};

var ESC = {
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  '&': '&amp;'
};

function escape (s) {
  return s.replace(/[<>"&]/g, escapeChar)
}

function escapeChar (a) {
  return ESC[a] || a
}

/*  */




var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;

// let the model AST transform translate v-model into appropriate
// props bindings
function applyModelTransform (el, state) {
  if (el.directives) {
    for (var i = 0; i < el.directives.length; i++) {
      var dir = el.directives[i];
      if (dir.name === 'model') {
        state.directives.model(el, dir, state.warn);
        // remove value for textarea as its converted to text
        if (el.tag === 'textarea' && el.props) {
          el.props = el.props.filter(function (p) { return p.name !== 'value'; });
        }
        break
      }
    }
  }
}

function genAttrSegments (
  attrs
) {
  return attrs.map(function (ref) {
    var name = ref.name;
    var value = ref.value;

    return genAttrSegment(name, value);
  })
}

function genDOMPropSegments (
  props,
  attrs
) {
  var segments = [];
  props.forEach(function (ref) {
    var name = ref.name;
    var value = ref.value;

    name = propsToAttrMap[name] || name.toLowerCase();
    if (isRenderableAttr(name) &&
      !(attrs && attrs.some(function (a) { return a.name === name; }))
    ) {
      segments.push(genAttrSegment(name, value));
    }
  });
  return segments
}

function genAttrSegment (name, value) {
  if (plainStringRE.test(value)) {
    // force double quote
    value = value.replace(/^'|'$/g, '"');
    // force enumerated attr to "true"
    if (isEnumeratedAttr(name) && value !== "\"false\"") {
      value = "\"true\"";
    }
    return {
      type: RAW,
      value: isBooleanAttr(name)
        ? (" " + name + "=\"" + name + "\"")
        : value === '""'
          ? (" " + name)
          : (" " + name + "=\"" + (JSON.parse(value)) + "\"")
    }
  } else {
    return {
      type: EXPRESSION,
      value: ("_ssrAttr(" + (JSON.stringify(name)) + "," + value + ")")
    }
  }
}

function genClassSegments (
  staticClass,
  classBinding
) {
  if (staticClass && !classBinding) {
    return [{ type: RAW, value: (" class=\"" + (JSON.parse(staticClass)) + "\"") }]
  } else {
    return [{
      type: EXPRESSION,
      value: ("_ssrClass(" + (staticClass || 'null') + "," + (classBinding || 'null') + ")")
    }]
  }
}

function genStyleSegments (
  staticStyle,
  parsedStaticStyle,
  styleBinding,
  vShowExpression
) {
  if (staticStyle && !styleBinding && !vShowExpression) {
    return [{ type: RAW, value: (" style=" + (JSON.stringify(staticStyle))) }]
  } else {
    return [{
      type: EXPRESSION,
      value: ("_ssrStyle(" + (parsedStaticStyle || 'null') + "," + (styleBinding || 'null') + ", " + (vShowExpression
          ? ("{ display: (" + vShowExpression + ") ? '' : 'none' }")
          : 'null') + ")")
    }]
  }
}

/*  */

// optimizability constants
var optimizability = {
  FALSE: 0,    // whole sub tree un-optimizable
  FULL: 1,     // whole sub tree optimizable
  SELF: 2,     // self optimizable but has some un-optimizable children
  CHILDREN: 3, // self un-optimizable but have fully optimizable children
  PARTIAL: 4   // self un-optimizable with some un-optimizable children
};

var isPlatformReservedTag$1;

function optimize$1 (root, options) {
  if (!root) { return }
  isPlatformReservedTag$1 = options.isReservedTag || no;
  walk(root, true);
}

function walk (node, isRoot) {
  if (isUnOptimizableTree(node)) {
    node.ssrOptimizability = optimizability.FALSE;
    return
  }
  // root node or nodes with custom directives should always be a VNode
  var selfUnoptimizable = isRoot || hasCustomDirective(node);
  var check = function (child) {
    if (child.ssrOptimizability !== optimizability.FULL) {
      node.ssrOptimizability = selfUnoptimizable
        ? optimizability.PARTIAL
        : optimizability.SELF;
    }
  };
  if (selfUnoptimizable) {
    node.ssrOptimizability = optimizability.CHILDREN;
  }
  if (node.type === 1) {
    for (var i = 0, l = node.children.length; i < l; i++) {
      var child = node.children[i];
      walk(child);
      check(child);
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        var block = node.ifConditions[i$1].block;
        walk(block, isRoot);
        check(block);
      }
    }
    if (node.ssrOptimizability == null ||
      (!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))
    ) {
      node.ssrOptimizability = optimizability.FULL;
    } else {
      node.children = optimizeSiblings(node);
    }
  } else {
    node.ssrOptimizability = optimizability.FULL;
  }
}

function optimizeSiblings (el) {
  var children = el.children;
  var optimizedChildren = [];

  var currentOptimizableGroup = [];
  var pushGroup = function () {
    if (currentOptimizableGroup.length) {
      optimizedChildren.push({
        type: 1,
        parent: el,
        tag: 'template',
        attrsList: [],
        attrsMap: {},
        rawAttrsMap: {},
        children: currentOptimizableGroup,
        ssrOptimizability: optimizability.FULL
      });
    }
    currentOptimizableGroup = [];
  };

  for (var i = 0; i < children.length; i++) {
    var c = children[i];
    if (c.ssrOptimizability === optimizability.FULL) {
      currentOptimizableGroup.push(c);
    } else {
      // wrap fully-optimizable adjacent siblings inside a template tag
      // so that they can be optimized into a single ssrNode by codegen
      pushGroup();
      optimizedChildren.push(c);
    }
  }
  pushGroup();
  return optimizedChildren
}

function isUnOptimizableTree (node) {
  if (node.type === 2 || node.type === 3) { // text or expression
    return false
  }
  return (
    isBuiltInTag(node.tag) || // built-in (slot, component)
    !isPlatformReservedTag$1(node.tag) || // custom component
    !!node.component || // "is" component
    isSelectWithModel(node) // <select v-model> requires runtime inspection
  )
}

var isBuiltInDir = makeMap$1('text,html,show,on,bind,model,pre,cloak,once');

function hasCustomDirective (node) {
  return (
    node.type === 1 &&
    node.directives &&
    node.directives.some(function (d) { return !isBuiltInDir(d.name); })
  )
}

// <select v-model> cannot be optimized because it requires a runtime check
// to determine proper selected option
function isSelectWithModel (node) {
  return (
    node.type === 1 &&
    node.tag === 'select' &&
    node.directives != null &&
    node.directives.some(function (d) { return d.name === 'model'; })
  )
}

/*  */




// segment types
var RAW = 0;
var INTERPOLATION = 1;
var EXPRESSION = 2;

function generate$1 (
  ast,
  options
) {
  var state = new CodegenState(options);
  var code = ast ? genSSRElement(ast, state) : '_c("div")';
  return {
    render: ("with(this){return " + code + "}"),
    staticRenderFns: state.staticRenderFns
  }
}

function genSSRElement (el, state) {
  if (el.for && !el.forProcessed) {
    return genFor(el, state, genSSRElement)
  } else if (el.if && !el.ifProcessed) {
    return genIf(el, state, genSSRElement)
  } else if (el.tag === 'template' && !el.slotTarget) {
    return el.ssrOptimizability === optimizability.FULL
      ? genChildrenAsStringNode(el, state)
      : genSSRChildren(el, state) || 'void 0'
  }

  switch (el.ssrOptimizability) {
    case optimizability.FULL:
      // stringify whole tree
      return genStringElement(el, state)
    case optimizability.SELF:
      // stringify self and check children
      return genStringElementWithChildren(el, state)
    case optimizability.CHILDREN:
      // generate self as VNode and stringify children
      return genNormalElement(el, state, true)
    case optimizability.PARTIAL:
      // generate self as VNode and check children
      return genNormalElement(el, state, false)
    default:
      // bail whole tree
      return genElement(el, state)
  }
}

function genNormalElement (el, state, stringifyChildren) {
  var data = el.plain ? undefined : genData$2(el, state);
  var children = stringifyChildren
    ? ("[" + (genChildrenAsStringNode(el, state)) + "]")
    : genSSRChildren(el, state, true);
  return ("_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")")
}

function genSSRChildren (el, state, checkSkip) {
  return genChildren(el, state, checkSkip, genSSRElement, genSSRNode)
}

function genSSRNode (el, state) {
  return el.type === 1
    ? genSSRElement(el, state)
    : genText(el)
}

function genChildrenAsStringNode (el, state) {
  return el.children.length
    ? ("_ssrNode(" + (flattenSegments(childrenToSegments(el, state))) + ")")
    : ''
}

function genStringElement (el, state) {
  return ("_ssrNode(" + (elementToString(el, state)) + ")")
}

function genStringElementWithChildren (el, state) {
  var children = genSSRChildren(el, state, true);
  return ("_ssrNode(" + (flattenSegments(elementToOpenTagSegments(el, state))) + ",\"</" + (el.tag) + ">\"" + (children ? ("," + children) : '') + ")")
}

function elementToString (el, state) {
  return ("(" + (flattenSegments(elementToSegments(el, state))) + ")")
}

function elementToSegments (el, state) {
  // v-for / v-if
  if (el.for && !el.forProcessed) {
    el.forProcessed = true;
    return [{
      type: EXPRESSION,
      value: genFor(el, state, elementToString, '_ssrList')
    }]
  } else if (el.if && !el.ifProcessed) {
    el.ifProcessed = true;
    return [{
      type: EXPRESSION,
      value: genIf(el, state, elementToString, '"<!---->"')
    }]
  } else if (el.tag === 'template') {
    return childrenToSegments(el, state)
  }

  var openSegments = elementToOpenTagSegments(el, state);
  var childrenSegments = childrenToSegments(el, state);
  var ref = state.options;
  var isUnaryTag = ref.isUnaryTag;
  var close = (isUnaryTag && isUnaryTag(el.tag))
    ? []
    : [{ type: RAW, value: ("</" + (el.tag) + ">") }];
  return openSegments.concat(childrenSegments, close)
}

function elementToOpenTagSegments (el, state) {
  applyModelTransform(el, state);
  var binding;
  var segments = [{ type: RAW, value: ("<" + (el.tag)) }];
  // attrs
  if (el.attrs) {
    segments.push.apply(segments, genAttrSegments(el.attrs));
  }
  // domProps
  if (el.props) {
    segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
  }
  // v-bind="object"
  if ((binding = el.attrsMap['v-bind'])) {
    segments.push({ type: EXPRESSION, value: ("_ssrAttrs(" + binding + ")") });
  }
  // v-bind.prop="object"
  if ((binding = el.attrsMap['v-bind.prop'])) {
    segments.push({ type: EXPRESSION, value: ("_ssrDOMProps(" + binding + ")") });
  }
  // class
  if (el.staticClass || el.classBinding) {
    segments.push.apply(
      segments,
      genClassSegments(el.staticClass, el.classBinding)
    );
  }
  // style & v-show
  if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
    segments.push.apply(
      segments,
      genStyleSegments(
        el.attrsMap.style,
        el.staticStyle,
        el.styleBinding,
        el.attrsMap['v-show']
      )
    );
  }
  // _scopedId
  if (state.options.scopeId) {
    segments.push({ type: RAW, value: (" " + (state.options.scopeId)) });
  }
  segments.push({ type: RAW, value: ">" });
  return segments
}

function childrenToSegments (el, state) {
  var binding;
  if ((binding = el.attrsMap['v-html'])) {
    return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
  }
  if ((binding = el.attrsMap['v-text'])) {
    return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
  }
  if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
    return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
  }
  return el.children
    ? nodesToSegments(el.children, state)
    : []
}

function nodesToSegments (
  children,
  state
) {
  var segments = [];
  for (var i = 0; i < children.length; i++) {
    var c = children[i];
    if (c.type === 1) {
      segments.push.apply(segments, elementToSegments(c, state));
    } else if (c.type === 2) {
      segments.push({ type: INTERPOLATION, value: c.expression });
    } else if (c.type === 3) {
      var text = escape(c.text);
      if (c.isComment) {
        text = '<!--' + text + '-->';
      }
      segments.push({ type: RAW, value: text });
    }
  }
  return segments
}

function flattenSegments (segments) {
  var mergedSegments = [];
  var textBuffer = '';

  var pushBuffer = function () {
    if (textBuffer) {
      mergedSegments.push(JSON.stringify(textBuffer));
      textBuffer = '';
    }
  };

  for (var i = 0; i < segments.length; i++) {
    var s = segments[i];
    if (s.type === RAW) {
      textBuffer += s.value;
    } else if (s.type === INTERPOLATION) {
      pushBuffer();
      mergedSegments.push(("_ssrEscape(" + (s.value) + ")"));
    } else if (s.type === EXPRESSION) {
      pushBuffer();
      mergedSegments.push(("(" + (s.value) + ")"));
    }
  }
  pushBuffer();

  return mergedSegments.join('+')
}

/*  */

var createCompiler$1 = createCompilerCreator(function baseCompile (
  template,
  options
) {
  var ast = parse(template.trim(), options);
  optimize$1(ast, options);
  var code = generate$1(ast, options);
  return {
    ast: ast,
    render: code.render,
    staticRenderFns: code.staticRenderFns
  }
});

/*  */

var ref$1 = createCompiler$1(baseOptions);
var compile$1 = ref$1.compile;
var compileToFunctions$1 = ref$1.compileToFunctions;

/*  */

var parseComponent_1 = parseComponent;
var compile_1 = compile;
var compileToFunctions_1 = compileToFunctions;
var ssrCompile = compile$1;
var ssrCompileToFunctions = compileToFunctions$1;
var generateCodeFrame_1 = generateCodeFrame;

var build = /*#__PURE__*/Object.defineProperty({
	parseComponent: parseComponent_1,
	compile: compile_1,
	compileToFunctions: compileToFunctions_1,
	ssrCompile: ssrCompile,
	ssrCompileToFunctions: ssrCompileToFunctions,
	generateCodeFrame: generateCodeFrame_1
}, '__esModule', {value: true});

try {
  var vueVersion = Vue.version;
} catch (e) {}

var vueTemplateCompiler = build;

// 

function createVNodes(vm, slotValue, name) {
  var el = vueTemplateCompiler.compileToFunctions(
    ("<div><template slot=" + name + ">" + slotValue + "</template></div>")
  );
  var _staticRenderFns = vm._renderProxy.$options.staticRenderFns;
  var _staticTrees = vm._renderProxy._staticTrees;
  vm._renderProxy._staticTrees = [];
  vm._renderProxy.$options.staticRenderFns = el.staticRenderFns;
  var vnode = el.render.call(vm._renderProxy, vm.$createElement);
  vm._renderProxy.$options.staticRenderFns = _staticRenderFns;
  vm._renderProxy._staticTrees = _staticTrees;
  return vnode.children[0]
}

function createVNodesForSlot(
  vm,
  slotValue,
  name
) {
  if (typeof slotValue === 'string') {
    return createVNodes(vm, slotValue, name)
  }
  var vnode = vm.$createElement(slotValue)
  ;(vnode.data || (vnode.data = {})).slot = name;
  return vnode
}

function createSlotVNodes(
  vm,
  slots
) {
  return Object.keys(slots).reduce(function (acc, key) {
    var content = slots[key];
    if (Array.isArray(content)) {
      var nodes = content.map(function (slotDef) { return createVNodesForSlot(vm, slotDef, key); }
      );
      return acc.concat(nodes)
    }

    return acc.concat(createVNodesForSlot(vm, content, key))
  }, [])
}

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

function createCommonjsModule(fn, basedir, module) {
	return module = {
	  path: basedir,
	  exports: {},
	  require: function (path, base) {
      return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
    }
	}, fn(module, module.exports), module.exports;
}

function getCjsExportFromNamespace (n) {
	return n && n['default'] || n;
}

function commonjsRequire () {
	throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
}

var semver = createCommonjsModule(function (module, exports) {
exports = module.exports = SemVer;

var debug;
/* istanbul ignore next */
if (typeof process === 'object' &&
    process.env &&
    process.env.NODE_DEBUG &&
    /\bsemver\b/i.test(process.env.NODE_DEBUG)) {
  debug = function () {
    var args = Array.prototype.slice.call(arguments, 0);
    args.unshift('SEMVER');
    console.log.apply(console, args);
  };
} else {
  debug = function () {};
}

// Note: this is the semver.org version of the spec that it implements
// Not necessarily the package version of this code.
exports.SEMVER_SPEC_VERSION = '2.0.0';

var MAX_LENGTH = 256;
var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER ||
  /* istanbul ignore next */ 9007199254740991;

// Max safe segment length for coercion.
var MAX_SAFE_COMPONENT_LENGTH = 16;

// The actual regexps go on exports.re
var re = exports.re = [];
var src = exports.src = [];
var t = exports.tokens = {};
var R = 0;

function tok (n) {
  t[n] = R++;
}

// The following Regular Expressions can be used for tokenizing,
// validating, and parsing SemVer version strings.

// ## Numeric Identifier
// A single `0`, or a non-zero digit followed by zero or more digits.

tok('NUMERICIDENTIFIER');
src[t.NUMERICIDENTIFIER] = '0|[1-9]\\d*';
tok('NUMERICIDENTIFIERLOOSE');
src[t.NUMERICIDENTIFIERLOOSE] = '[0-9]+';

// ## Non-numeric Identifier
// Zero or more digits, followed by a letter or hyphen, and then zero or
// more letters, digits, or hyphens.

tok('NONNUMERICIDENTIFIER');
src[t.NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-][a-zA-Z0-9-]*';

// ## Main Version
// Three dot-separated numeric identifiers.

tok('MAINVERSION');
src[t.MAINVERSION] = '(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
                   '(' + src[t.NUMERICIDENTIFIER] + ')';

tok('MAINVERSIONLOOSE');
src[t.MAINVERSIONLOOSE] = '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
                        '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')';

// ## Pre-release Version Identifier
// A numeric identifier, or a non-numeric identifier.

tok('PRERELEASEIDENTIFIER');
src[t.PRERELEASEIDENTIFIER] = '(?:' + src[t.NUMERICIDENTIFIER] +
                            '|' + src[t.NONNUMERICIDENTIFIER] + ')';

tok('PRERELEASEIDENTIFIERLOOSE');
src[t.PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[t.NUMERICIDENTIFIERLOOSE] +
                                 '|' + src[t.NONNUMERICIDENTIFIER] + ')';

// ## Pre-release Version
// Hyphen, followed by one or more dot-separated pre-release version
// identifiers.

tok('PRERELEASE');
src[t.PRERELEASE] = '(?:-(' + src[t.PRERELEASEIDENTIFIER] +
                  '(?:\\.' + src[t.PRERELEASEIDENTIFIER] + ')*))';

tok('PRERELEASELOOSE');
src[t.PRERELEASELOOSE] = '(?:-?(' + src[t.PRERELEASEIDENTIFIERLOOSE] +
                       '(?:\\.' + src[t.PRERELEASEIDENTIFIERLOOSE] + ')*))';

// ## Build Metadata Identifier
// Any combination of digits, letters, or hyphens.

tok('BUILDIDENTIFIER');
src[t.BUILDIDENTIFIER] = '[0-9A-Za-z-]+';

// ## Build Metadata
// Plus sign, followed by one or more period-separated build metadata
// identifiers.

tok('BUILD');
src[t.BUILD] = '(?:\\+(' + src[t.BUILDIDENTIFIER] +
             '(?:\\.' + src[t.BUILDIDENTIFIER] + ')*))';

// ## Full Version String
// A main version, followed optionally by a pre-release version and
// build metadata.

// Note that the only major, minor, patch, and pre-release sections of
// the version string are capturing groups.  The build metadata is not a
// capturing group, because it should not ever be used in version
// comparison.

tok('FULL');
tok('FULLPLAIN');
src[t.FULLPLAIN] = 'v?' + src[t.MAINVERSION] +
                  src[t.PRERELEASE] + '?' +
                  src[t.BUILD] + '?';

src[t.FULL] = '^' + src[t.FULLPLAIN] + '$';

// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
// common in the npm registry.
tok('LOOSEPLAIN');
src[t.LOOSEPLAIN] = '[v=\\s]*' + src[t.MAINVERSIONLOOSE] +
                  src[t.PRERELEASELOOSE] + '?' +
                  src[t.BUILD] + '?';

tok('LOOSE');
src[t.LOOSE] = '^' + src[t.LOOSEPLAIN] + '$';

tok('GTLT');
src[t.GTLT] = '((?:<|>)?=?)';

// Something like "2.*" or "1.2.x".
// Note that "x.x" is a valid xRange identifer, meaning "any version"
// Only the first item is strictly required.
tok('XRANGEIDENTIFIERLOOSE');
src[t.XRANGEIDENTIFIERLOOSE] = src[t.NUMERICIDENTIFIERLOOSE] + '|x|X|\\*';
tok('XRANGEIDENTIFIER');
src[t.XRANGEIDENTIFIER] = src[t.NUMERICIDENTIFIER] + '|x|X|\\*';

tok('XRANGEPLAIN');
src[t.XRANGEPLAIN] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
                   '(?:' + src[t.PRERELEASE] + ')?' +
                   src[t.BUILD] + '?' +
                   ')?)?';

tok('XRANGEPLAINLOOSE');
src[t.XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
                        '(?:' + src[t.PRERELEASELOOSE] + ')?' +
                        src[t.BUILD] + '?' +
                        ')?)?';

tok('XRANGE');
src[t.XRANGE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAIN] + '$';
tok('XRANGELOOSE');
src[t.XRANGELOOSE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAINLOOSE] + '$';

// Coercion.
// Extract anything that could conceivably be a part of a valid semver
tok('COERCE');
src[t.COERCE] = '(^|[^\\d])' +
              '(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
              '(?:$|[^\\d])';
tok('COERCERTL');
re[t.COERCERTL] = new RegExp(src[t.COERCE], 'g');

// Tilde ranges.
// Meaning is "reasonably at or greater than"
tok('LONETILDE');
src[t.LONETILDE] = '(?:~>?)';

tok('TILDETRIM');
src[t.TILDETRIM] = '(\\s*)' + src[t.LONETILDE] + '\\s+';
re[t.TILDETRIM] = new RegExp(src[t.TILDETRIM], 'g');
var tildeTrimReplace = '$1~';

tok('TILDE');
src[t.TILDE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAIN] + '$';
tok('TILDELOOSE');
src[t.TILDELOOSE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAINLOOSE] + '$';

// Caret ranges.
// Meaning is "at least and backwards compatible with"
tok('LONECARET');
src[t.LONECARET] = '(?:\\^)';

tok('CARETTRIM');
src[t.CARETTRIM] = '(\\s*)' + src[t.LONECARET] + '\\s+';
re[t.CARETTRIM] = new RegExp(src[t.CARETTRIM], 'g');
var caretTrimReplace = '$1^';

tok('CARET');
src[t.CARET] = '^' + src[t.LONECARET] + src[t.XRANGEPLAIN] + '$';
tok('CARETLOOSE');
src[t.CARETLOOSE] = '^' + src[t.LONECARET] + src[t.XRANGEPLAINLOOSE] + '$';

// A simple gt/lt/eq thing, or just "" to indicate "any version"
tok('COMPARATORLOOSE');
src[t.COMPARATORLOOSE] = '^' + src[t.GTLT] + '\\s*(' + src[t.LOOSEPLAIN] + ')$|^$';
tok('COMPARATOR');
src[t.COMPARATOR] = '^' + src[t.GTLT] + '\\s*(' + src[t.FULLPLAIN] + ')$|^$';

// An expression to strip any whitespace between the gtlt and the thing
// it modifies, so that `> 1.2.3` ==> `>1.2.3`
tok('COMPARATORTRIM');
src[t.COMPARATORTRIM] = '(\\s*)' + src[t.GTLT] +
                      '\\s*(' + src[t.LOOSEPLAIN] + '|' + src[t.XRANGEPLAIN] + ')';

// this one has to use the /g flag
re[t.COMPARATORTRIM] = new RegExp(src[t.COMPARATORTRIM], 'g');
var comparatorTrimReplace = '$1$2$3';

// Something like `1.2.3 - 1.2.4`
// Note that these all use the loose form, because they'll be
// checked against either the strict or loose comparator form
// later.
tok('HYPHENRANGE');
src[t.HYPHENRANGE] = '^\\s*(' + src[t.XRANGEPLAIN] + ')' +
                   '\\s+-\\s+' +
                   '(' + src[t.XRANGEPLAIN] + ')' +
                   '\\s*$';

tok('HYPHENRANGELOOSE');
src[t.HYPHENRANGELOOSE] = '^\\s*(' + src[t.XRANGEPLAINLOOSE] + ')' +
                        '\\s+-\\s+' +
                        '(' + src[t.XRANGEPLAINLOOSE] + ')' +
                        '\\s*$';

// Star ranges basically just allow anything at all.
tok('STAR');
src[t.STAR] = '(<|>)?=?\\s*\\*';

// Compile to actual regexp objects.
// All are flag-free, unless they were created above with a flag.
for (var i = 0; i < R; i++) {
  debug(i, src[i]);
  if (!re[i]) {
    re[i] = new RegExp(src[i]);
  }
}

exports.parse = parse;
function parse (version, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (version instanceof SemVer) {
    return version
  }

  if (typeof version !== 'string') {
    return null
  }

  if (version.length > MAX_LENGTH) {
    return null
  }

  var r = options.loose ? re[t.LOOSE] : re[t.FULL];
  if (!r.test(version)) {
    return null
  }

  try {
    return new SemVer(version, options)
  } catch (er) {
    return null
  }
}

exports.valid = valid;
function valid (version, options) {
  var v = parse(version, options);
  return v ? v.version : null
}

exports.clean = clean;
function clean (version, options) {
  var s = parse(version.trim().replace(/^[=v]+/, ''), options);
  return s ? s.version : null
}

exports.SemVer = SemVer;

function SemVer (version, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }
  if (version instanceof SemVer) {
    if (version.loose === options.loose) {
      return version
    } else {
      version = version.version;
    }
  } else if (typeof version !== 'string') {
    throw new TypeError('Invalid Version: ' + version)
  }

  if (version.length > MAX_LENGTH) {
    throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters')
  }

  if (!(this instanceof SemVer)) {
    return new SemVer(version, options)
  }

  debug('SemVer', version, options);
  this.options = options;
  this.loose = !!options.loose;

  var m = version.trim().match(options.loose ? re[t.LOOSE] : re[t.FULL]);

  if (!m) {
    throw new TypeError('Invalid Version: ' + version)
  }

  this.raw = version;

  // these are actually numbers
  this.major = +m[1];
  this.minor = +m[2];
  this.patch = +m[3];

  if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
    throw new TypeError('Invalid major version')
  }

  if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
    throw new TypeError('Invalid minor version')
  }

  if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
    throw new TypeError('Invalid patch version')
  }

  // numberify any prerelease numeric ids
  if (!m[4]) {
    this.prerelease = [];
  } else {
    this.prerelease = m[4].split('.').map(function (id) {
      if (/^[0-9]+$/.test(id)) {
        var num = +id;
        if (num >= 0 && num < MAX_SAFE_INTEGER) {
          return num
        }
      }
      return id
    });
  }

  this.build = m[5] ? m[5].split('.') : [];
  this.format();
}

SemVer.prototype.format = function () {
  this.version = this.major + '.' + this.minor + '.' + this.patch;
  if (this.prerelease.length) {
    this.version += '-' + this.prerelease.join('.');
  }
  return this.version
};

SemVer.prototype.toString = function () {
  return this.version
};

SemVer.prototype.compare = function (other) {
  debug('SemVer.compare', this.version, this.options, other);
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  return this.compareMain(other) || this.comparePre(other)
};

SemVer.prototype.compareMain = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  return compareIdentifiers(this.major, other.major) ||
         compareIdentifiers(this.minor, other.minor) ||
         compareIdentifiers(this.patch, other.patch)
};

SemVer.prototype.comparePre = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  // NOT having a prerelease is > having one
  if (this.prerelease.length && !other.prerelease.length) {
    return -1
  } else if (!this.prerelease.length && other.prerelease.length) {
    return 1
  } else if (!this.prerelease.length && !other.prerelease.length) {
    return 0
  }

  var i = 0;
  do {
    var a = this.prerelease[i];
    var b = other.prerelease[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined) {
      return 0
    } else if (b === undefined) {
      return 1
    } else if (a === undefined) {
      return -1
    } else if (a === b) {
      continue
    } else {
      return compareIdentifiers(a, b)
    }
  } while (++i)
};

SemVer.prototype.compareBuild = function (other) {
  if (!(other instanceof SemVer)) {
    other = new SemVer(other, this.options);
  }

  var i = 0;
  do {
    var a = this.build[i];
    var b = other.build[i];
    debug('prerelease compare', i, a, b);
    if (a === undefined && b === undefined) {
      return 0
    } else if (b === undefined) {
      return 1
    } else if (a === undefined) {
      return -1
    } else if (a === b) {
      continue
    } else {
      return compareIdentifiers(a, b)
    }
  } while (++i)
};

// preminor will bump the version up to the next minor release, and immediately
// down to pre-release. premajor and prepatch work the same way.
SemVer.prototype.inc = function (release, identifier) {
  switch (release) {
    case 'premajor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor = 0;
      this.major++;
      this.inc('pre', identifier);
      break
    case 'preminor':
      this.prerelease.length = 0;
      this.patch = 0;
      this.minor++;
      this.inc('pre', identifier);
      break
    case 'prepatch':
      // If this is already a prerelease, it will bump to the next version
      // drop any prereleases that might already exist, since they are not
      // relevant at this point.
      this.prerelease.length = 0;
      this.inc('patch', identifier);
      this.inc('pre', identifier);
      break
    // If the input is a non-prerelease version, this acts the same as
    // prepatch.
    case 'prerelease':
      if (this.prerelease.length === 0) {
        this.inc('patch', identifier);
      }
      this.inc('pre', identifier);
      break

    case 'major':
      // If this is a pre-major version, bump up to the same major version.
      // Otherwise increment major.
      // 1.0.0-5 bumps to 1.0.0
      // 1.1.0 bumps to 2.0.0
      if (this.minor !== 0 ||
          this.patch !== 0 ||
          this.prerelease.length === 0) {
        this.major++;
      }
      this.minor = 0;
      this.patch = 0;
      this.prerelease = [];
      break
    case 'minor':
      // If this is a pre-minor version, bump up to the same minor version.
      // Otherwise increment minor.
      // 1.2.0-5 bumps to 1.2.0
      // 1.2.1 bumps to 1.3.0
      if (this.patch !== 0 || this.prerelease.length === 0) {
        this.minor++;
      }
      this.patch = 0;
      this.prerelease = [];
      break
    case 'patch':
      // If this is not a pre-release version, it will increment the patch.
      // If it is a pre-release it will bump up to the same patch version.
      // 1.2.0-5 patches to 1.2.0
      // 1.2.0 patches to 1.2.1
      if (this.prerelease.length === 0) {
        this.patch++;
      }
      this.prerelease = [];
      break
    // This probably shouldn't be used publicly.
    // 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
    case 'pre':
      if (this.prerelease.length === 0) {
        this.prerelease = [0];
      } else {
        var i = this.prerelease.length;
        while (--i >= 0) {
          if (typeof this.prerelease[i] === 'number') {
            this.prerelease[i]++;
            i = -2;
          }
        }
        if (i === -1) {
          // didn't increment anything
          this.prerelease.push(0);
        }
      }
      if (identifier) {
        // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
        // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
        if (this.prerelease[0] === identifier) {
          if (isNaN(this.prerelease[1])) {
            this.prerelease = [identifier, 0];
          }
        } else {
          this.prerelease = [identifier, 0];
        }
      }
      break

    default:
      throw new Error('invalid increment argument: ' + release)
  }
  this.format();
  this.raw = this.version;
  return this
};

exports.inc = inc;
function inc (version, release, loose, identifier) {
  if (typeof (loose) === 'string') {
    identifier = loose;
    loose = undefined;
  }

  try {
    return new SemVer(version, loose).inc(release, identifier).version
  } catch (er) {
    return null
  }
}

exports.diff = diff;
function diff (version1, version2) {
  if (eq(version1, version2)) {
    return null
  } else {
    var v1 = parse(version1);
    var v2 = parse(version2);
    var prefix = '';
    if (v1.prerelease.length || v2.prerelease.length) {
      prefix = 'pre';
      var defaultResult = 'prerelease';
    }
    for (var key in v1) {
      if (key === 'major' || key === 'minor' || key === 'patch') {
        if (v1[key] !== v2[key]) {
          return prefix + key
        }
      }
    }
    return defaultResult // may be undefined
  }
}

exports.compareIdentifiers = compareIdentifiers;

var numeric = /^[0-9]+$/;
function compareIdentifiers (a, b) {
  var anum = numeric.test(a);
  var bnum = numeric.test(b);

  if (anum && bnum) {
    a = +a;
    b = +b;
  }

  return a === b ? 0
    : (anum && !bnum) ? -1
    : (bnum && !anum) ? 1
    : a < b ? -1
    : 1
}

exports.rcompareIdentifiers = rcompareIdentifiers;
function rcompareIdentifiers (a, b) {
  return compareIdentifiers(b, a)
}

exports.major = major;
function major (a, loose) {
  return new SemVer(a, loose).major
}

exports.minor = minor;
function minor (a, loose) {
  return new SemVer(a, loose).minor
}

exports.patch = patch;
function patch (a, loose) {
  return new SemVer(a, loose).patch
}

exports.compare = compare;
function compare (a, b, loose) {
  return new SemVer(a, loose).compare(new SemVer(b, loose))
}

exports.compareLoose = compareLoose;
function compareLoose (a, b) {
  return compare(a, b, true)
}

exports.compareBuild = compareBuild;
function compareBuild (a, b, loose) {
  var versionA = new SemVer(a, loose);
  var versionB = new SemVer(b, loose);
  return versionA.compare(versionB) || versionA.compareBuild(versionB)
}

exports.rcompare = rcompare;
function rcompare (a, b, loose) {
  return compare(b, a, loose)
}

exports.sort = sort;
function sort (list, loose) {
  return list.sort(function (a, b) {
    return exports.compareBuild(a, b, loose)
  })
}

exports.rsort = rsort;
function rsort (list, loose) {
  return list.sort(function (a, b) {
    return exports.compareBuild(b, a, loose)
  })
}

exports.gt = gt;
function gt (a, b, loose) {
  return compare(a, b, loose) > 0
}

exports.lt = lt;
function lt (a, b, loose) {
  return compare(a, b, loose) < 0
}

exports.eq = eq;
function eq (a, b, loose) {
  return compare(a, b, loose) === 0
}

exports.neq = neq;
function neq (a, b, loose) {
  return compare(a, b, loose) !== 0
}

exports.gte = gte;
function gte (a, b, loose) {
  return compare(a, b, loose) >= 0
}

exports.lte = lte;
function lte (a, b, loose) {
  return compare(a, b, loose) <= 0
}

exports.cmp = cmp;
function cmp (a, op, b, loose) {
  switch (op) {
    case '===':
      if (typeof a === 'object')
        { a = a.version; }
      if (typeof b === 'object')
        { b = b.version; }
      return a === b

    case '!==':
      if (typeof a === 'object')
        { a = a.version; }
      if (typeof b === 'object')
        { b = b.version; }
      return a !== b

    case '':
    case '=':
    case '==':
      return eq(a, b, loose)

    case '!=':
      return neq(a, b, loose)

    case '>':
      return gt(a, b, loose)

    case '>=':
      return gte(a, b, loose)

    case '<':
      return lt(a, b, loose)

    case '<=':
      return lte(a, b, loose)

    default:
      throw new TypeError('Invalid operator: ' + op)
  }
}

exports.Comparator = Comparator;
function Comparator (comp, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (comp instanceof Comparator) {
    if (comp.loose === !!options.loose) {
      return comp
    } else {
      comp = comp.value;
    }
  }

  if (!(this instanceof Comparator)) {
    return new Comparator(comp, options)
  }

  debug('comparator', comp, options);
  this.options = options;
  this.loose = !!options.loose;
  this.parse(comp);

  if (this.semver === ANY) {
    this.value = '';
  } else {
    this.value = this.operator + this.semver.version;
  }

  debug('comp', this);
}

var ANY = {};
Comparator.prototype.parse = function (comp) {
  var r = this.options.loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
  var m = comp.match(r);

  if (!m) {
    throw new TypeError('Invalid comparator: ' + comp)
  }

  this.operator = m[1] !== undefined ? m[1] : '';
  if (this.operator === '=') {
    this.operator = '';
  }

  // if it literally is just '>' or '' then allow anything.
  if (!m[2]) {
    this.semver = ANY;
  } else {
    this.semver = new SemVer(m[2], this.options.loose);
  }
};

Comparator.prototype.toString = function () {
  return this.value
};

Comparator.prototype.test = function (version) {
  debug('Comparator.test', version, this.options.loose);

  if (this.semver === ANY || version === ANY) {
    return true
  }

  if (typeof version === 'string') {
    try {
      version = new SemVer(version, this.options);
    } catch (er) {
      return false
    }
  }

  return cmp(version, this.operator, this.semver, this.options)
};

Comparator.prototype.intersects = function (comp, options) {
  if (!(comp instanceof Comparator)) {
    throw new TypeError('a Comparator is required')
  }

  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  var rangeTmp;

  if (this.operator === '') {
    if (this.value === '') {
      return true
    }
    rangeTmp = new Range(comp.value, options);
    return satisfies(this.value, rangeTmp, options)
  } else if (comp.operator === '') {
    if (comp.value === '') {
      return true
    }
    rangeTmp = new Range(this.value, options);
    return satisfies(comp.semver, rangeTmp, options)
  }

  var sameDirectionIncreasing =
    (this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '>=' || comp.operator === '>');
  var sameDirectionDecreasing =
    (this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '<=' || comp.operator === '<');
  var sameSemVer = this.semver.version === comp.semver.version;
  var differentDirectionsInclusive =
    (this.operator === '>=' || this.operator === '<=') &&
    (comp.operator === '>=' || comp.operator === '<=');
  var oppositeDirectionsLessThan =
    cmp(this.semver, '<', comp.semver, options) &&
    ((this.operator === '>=' || this.operator === '>') &&
    (comp.operator === '<=' || comp.operator === '<'));
  var oppositeDirectionsGreaterThan =
    cmp(this.semver, '>', comp.semver, options) &&
    ((this.operator === '<=' || this.operator === '<') &&
    (comp.operator === '>=' || comp.operator === '>'));

  return sameDirectionIncreasing || sameDirectionDecreasing ||
    (sameSemVer && differentDirectionsInclusive) ||
    oppositeDirectionsLessThan || oppositeDirectionsGreaterThan
};

exports.Range = Range;
function Range (range, options) {
  if (!options || typeof options !== 'object') {
    options = {
      loose: !!options,
      includePrerelease: false
    };
  }

  if (range instanceof Range) {
    if (range.loose === !!options.loose &&
        range.includePrerelease === !!options.includePrerelease) {
      return range
    } else {
      return new Range(range.raw, options)
    }
  }

  if (range instanceof Comparator) {
    return new Range(range.value, options)
  }

  if (!(this instanceof Range)) {
    return new Range(range, options)
  }

  this.options = options;
  this.loose = !!options.loose;
  this.includePrerelease = !!options.includePrerelease;

  // First, split based on boolean or ||
  this.raw = range;
  this.set = range.split(/\s*\|\|\s*/).map(function (range) {
    return this.parseRange(range.trim())
  }, this).filter(function (c) {
    // throw out any that are not relevant for whatever reason
    return c.length
  });

  if (!this.set.length) {
    throw new TypeError('Invalid SemVer Range: ' + range)
  }

  this.format();
}

Range.prototype.format = function () {
  this.range = this.set.map(function (comps) {
    return comps.join(' ').trim()
  }).join('||').trim();
  return this.range
};

Range.prototype.toString = function () {
  return this.range
};

Range.prototype.parseRange = function (range) {
  var loose = this.options.loose;
  range = range.trim();
  // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
  var hr = loose ? re[t.HYPHENRANGELOOSE] : re[t.HYPHENRANGE];
  range = range.replace(hr, hyphenReplace);
  debug('hyphen replace', range);
  // `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
  range = range.replace(re[t.COMPARATORTRIM], comparatorTrimReplace);
  debug('comparator trim', range, re[t.COMPARATORTRIM]);

  // `~ 1.2.3` => `~1.2.3`
  range = range.replace(re[t.TILDETRIM], tildeTrimReplace);

  // `^ 1.2.3` => `^1.2.3`
  range = range.replace(re[t.CARETTRIM], caretTrimReplace);

  // normalize spaces
  range = range.split(/\s+/).join(' ');

  // At this point, the range is completely trimmed and
  // ready to be split into comparators.

  var compRe = loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
  var set = range.split(' ').map(function (comp) {
    return parseComparator(comp, this.options)
  }, this).join(' ').split(/\s+/);
  if (this.options.loose) {
    // in loose mode, throw out any that are not valid comparators
    set = set.filter(function (comp) {
      return !!comp.match(compRe)
    });
  }
  set = set.map(function (comp) {
    return new Comparator(comp, this.options)
  }, this);

  return set
};

Range.prototype.intersects = function (range, options) {
  if (!(range instanceof Range)) {
    throw new TypeError('a Range is required')
  }

  return this.set.some(function (thisComparators) {
    return (
      isSatisfiable(thisComparators, options) &&
      range.set.some(function (rangeComparators) {
        return (
          isSatisfiable(rangeComparators, options) &&
          thisComparators.every(function (thisComparator) {
            return rangeComparators.every(function (rangeComparator) {
              return thisComparator.intersects(rangeComparator, options)
            })
          })
        )
      })
    )
  })
};

// take a set of comparators and determine whether there
// exists a version which can satisfy it
function isSatisfiable (comparators, options) {
  var result = true;
  var remainingComparators = comparators.slice();
  var testComparator = remainingComparators.pop();

  while (result && remainingComparators.length) {
    result = remainingComparators.every(function (otherComparator) {
      return testComparator.intersects(otherComparator, options)
    });

    testComparator = remainingComparators.pop();
  }

  return result
}

// Mostly just for testing and legacy API reasons
exports.toComparators = toComparators;
function toComparators (range, options) {
  return new Range(range, options).set.map(function (comp) {
    return comp.map(function (c) {
      return c.value
    }).join(' ').trim().split(' ')
  })
}

// comprised of xranges, tildes, stars, and gtlt's at this point.
// already replaced the hyphen ranges
// turn into a set of JUST comparators.
function parseComparator (comp, options) {
  debug('comp', comp, options);
  comp = replaceCarets(comp, options);
  debug('caret', comp);
  comp = replaceTildes(comp, options);
  debug('tildes', comp);
  comp = replaceXRanges(comp, options);
  debug('xrange', comp);
  comp = replaceStars(comp, options);
  debug('stars', comp);
  return comp
}

function isX (id) {
  return !id || id.toLowerCase() === 'x' || id === '*'
}

// ~, ~> --> * (any, kinda silly)
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
function replaceTildes (comp, options) {
  return comp.trim().split(/\s+/).map(function (comp) {
    return replaceTilde(comp, options)
  }).join(' ')
}

function replaceTilde (comp, options) {
  var r = options.loose ? re[t.TILDELOOSE] : re[t.TILDE];
  return comp.replace(r, function (_, M, m, p, pr) {
    debug('tilde', comp, _, M, m, p, pr);
    var ret;

    if (isX(M)) {
      ret = '';
    } else if (isX(m)) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (isX(p)) {
      // ~1.2 == >=1.2.0 <1.3.0
      ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
    } else if (pr) {
      debug('replaceTilde pr', pr);
      ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
            ' <' + M + '.' + (+m + 1) + '.0';
    } else {
      // ~1.2.3 == >=1.2.3 <1.3.0
      ret = '>=' + M + '.' + m + '.' + p +
            ' <' + M + '.' + (+m + 1) + '.0';
    }

    debug('tilde return', ret);
    return ret
  })
}

// ^ --> * (any, kinda silly)
// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
// ^1.2.3 --> >=1.2.3 <2.0.0
// ^1.2.0 --> >=1.2.0 <2.0.0
function replaceCarets (comp, options) {
  return comp.trim().split(/\s+/).map(function (comp) {
    return replaceCaret(comp, options)
  }).join(' ')
}

function replaceCaret (comp, options) {
  debug('caret', comp, options);
  var r = options.loose ? re[t.CARETLOOSE] : re[t.CARET];
  return comp.replace(r, function (_, M, m, p, pr) {
    debug('caret', comp, _, M, m, p, pr);
    var ret;

    if (isX(M)) {
      ret = '';
    } else if (isX(m)) {
      ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0';
    } else if (isX(p)) {
      if (M === '0') {
        ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0';
      } else {
        ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0';
      }
    } else if (pr) {
      debug('replaceCaret pr', pr);
      if (M === '0') {
        if (m === '0') {
          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
                ' <' + M + '.' + m + '.' + (+p + 1);
        } else {
          ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
                ' <' + M + '.' + (+m + 1) + '.0';
        }
      } else {
        ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
              ' <' + (+M + 1) + '.0.0';
      }
    } else {
      debug('no pr');
      if (M === '0') {
        if (m === '0') {
          ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + m + '.' + (+p + 1);
        } else {
          ret = '>=' + M + '.' + m + '.' + p +
                ' <' + M + '.' + (+m + 1) + '.0';
        }
      } else {
        ret = '>=' + M + '.' + m + '.' + p +
              ' <' + (+M + 1) + '.0.0';
      }
    }

    debug('caret return', ret);
    return ret
  })
}

function replaceXRanges (comp, options) {
  debug('replaceXRanges', comp, options);
  return comp.split(/\s+/).map(function (comp) {
    return replaceXRange(comp, options)
  }).join(' ')
}

function replaceXRange (comp, options) {
  comp = comp.trim();
  var r = options.loose ? re[t.XRANGELOOSE] : re[t.XRANGE];
  return comp.replace(r, function (ret, gtlt, M, m, p, pr) {
    debug('xRange', comp, ret, gtlt, M, m, p, pr);
    var xM = isX(M);
    var xm = xM || isX(m);
    var xp = xm || isX(p);
    var anyX = xp;

    if (gtlt === '=' && anyX) {
      gtlt = '';
    }

    // if we're including prereleases in the match, then we need
    // to fix this to -0, the lowest possible prerelease value
    pr = options.includePrerelease ? '-0' : '';

    if (xM) {
      if (gtlt === '>' || gtlt === '<') {
        // nothing is allowed
        ret = '<0.0.0-0';
      } else {
        // nothing is forbidden
        ret = '*';
      }
    } else if (gtlt && anyX) {
      // we know patch is an x, because we have any x at all.
      // replace X with 0
      if (xm) {
        m = 0;
      }
      p = 0;

      if (gtlt === '>') {
        // >1 => >=2.0.0
        // >1.2 => >=1.3.0
        // >1.2.3 => >= 1.2.4
        gtlt = '>=';
        if (xm) {
          M = +M + 1;
          m = 0;
          p = 0;
        } else {
          m = +m + 1;
          p = 0;
        }
      } else if (gtlt === '<=') {
        // <=0.7.x is actually <0.8.0, since any 0.7.x should
        // pass.  Similarly, <=7.x is actually <8.0.0, etc.
        gtlt = '<';
        if (xm) {
          M = +M + 1;
        } else {
          m = +m + 1;
        }
      }

      ret = gtlt + M + '.' + m + '.' + p + pr;
    } else if (xm) {
      ret = '>=' + M + '.0.0' + pr + ' <' + (+M + 1) + '.0.0' + pr;
    } else if (xp) {
      ret = '>=' + M + '.' + m + '.0' + pr +
        ' <' + M + '.' + (+m + 1) + '.0' + pr;
    }

    debug('xRange return', ret);

    return ret
  })
}

// Because * is AND-ed with everything else in the comparator,
// and '' means "any version", just remove the *s entirely.
function replaceStars (comp, options) {
  debug('replaceStars', comp, options);
  // Looseness is ignored here.  star is always as loose as it gets!
  return comp.trim().replace(re[t.STAR], '')
}

// This function is passed to string.replace(re[t.HYPHENRANGE])
// M, m, patch, prerelease, build
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
// 1.2 - 3.4 => >=1.2.0 <3.5.0
function hyphenReplace ($0,
  from, fM, fm, fp, fpr, fb,
  to, tM, tm, tp, tpr, tb) {
  if (isX(fM)) {
    from = '';
  } else if (isX(fm)) {
    from = '>=' + fM + '.0.0';
  } else if (isX(fp)) {
    from = '>=' + fM + '.' + fm + '.0';
  } else {
    from = '>=' + from;
  }

  if (isX(tM)) {
    to = '';
  } else if (isX(tm)) {
    to = '<' + (+tM + 1) + '.0.0';
  } else if (isX(tp)) {
    to = '<' + tM + '.' + (+tm + 1) + '.0';
  } else if (tpr) {
    to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr;
  } else {
    to = '<=' + to;
  }

  return (from + ' ' + to).trim()
}

// if ANY of the sets match ALL of its comparators, then pass
Range.prototype.test = function (version) {
  if (!version) {
    return false
  }

  if (typeof version === 'string') {
    try {
      version = new SemVer(version, this.options);
    } catch (er) {
      return false
    }
  }

  for (var i = 0; i < this.set.length; i++) {
    if (testSet(this.set[i], version, this.options)) {
      return true
    }
  }
  return false
};

function testSet (set, version, options) {
  for (var i = 0; i < set.length; i++) {
    if (!set[i].test(version)) {
      return false
    }
  }

  if (version.prerelease.length && !options.includePrerelease) {
    // Find the set of versions that are allowed to have prereleases
    // For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
    // That should allow `1.2.3-pr.2` to pass.
    // However, `1.2.4-alpha.notready` should NOT be allowed,
    // even though it's within the range set by the comparators.
    for (i = 0; i < set.length; i++) {
      debug(set[i].semver);
      if (set[i].semver === ANY) {
        continue
      }

      if (set[i].semver.prerelease.length > 0) {
        var allowed = set[i].semver;
        if (allowed.major === version.major &&
            allowed.minor === version.minor &&
            allowed.patch === version.patch) {
          return true
        }
      }
    }

    // Version has a -pre, but it's not one of the ones we like.
    return false
  }

  return true
}

exports.satisfies = satisfies;
function satisfies (version, range, options) {
  try {
    range = new Range(range, options);
  } catch (er) {
    return false
  }
  return range.test(version)
}

exports.maxSatisfying = maxSatisfying;
function maxSatisfying (versions, range, options) {
  var max = null;
  var maxSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) {
      // satisfies(v, range, options)
      if (!max || maxSV.compare(v) === -1) {
        // compare(max, v, true)
        max = v;
        maxSV = new SemVer(max, options);
      }
    }
  });
  return max
}

exports.minSatisfying = minSatisfying;
function minSatisfying (versions, range, options) {
  var min = null;
  var minSV = null;
  try {
    var rangeObj = new Range(range, options);
  } catch (er) {
    return null
  }
  versions.forEach(function (v) {
    if (rangeObj.test(v)) {
      // satisfies(v, range, options)
      if (!min || minSV.compare(v) === 1) {
        // compare(min, v, true)
        min = v;
        minSV = new SemVer(min, options);
      }
    }
  });
  return min
}

exports.minVersion = minVersion;
function minVersion (range, loose) {
  range = new Range(range, loose);

  var minver = new SemVer('0.0.0');
  if (range.test(minver)) {
    return minver
  }

  minver = new SemVer('0.0.0-0');
  if (range.test(minver)) {
    return minver
  }

  minver = null;
  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    comparators.forEach(function (comparator) {
      // Clone to avoid manipulating the comparator's semver object.
      var compver = new SemVer(comparator.semver.version);
      switch (comparator.operator) {
        case '>':
          if (compver.prerelease.length === 0) {
            compver.patch++;
          } else {
            compver.prerelease.push(0);
          }
          compver.raw = compver.format();
          /* fallthrough */
        case '':
        case '>=':
          if (!minver || gt(minver, compver)) {
            minver = compver;
          }
          break
        case '<':
        case '<=':
          /* Ignore maximum versions */
          break
        /* istanbul ignore next */
        default:
          throw new Error('Unexpected operation: ' + comparator.operator)
      }
    });
  }

  if (minver && range.test(minver)) {
    return minver
  }

  return null
}

exports.validRange = validRange;
function validRange (range, options) {
  try {
    // Return '*' instead of '' so that truthiness works.
    // This will throw if it's invalid anyway
    return new Range(range, options).range || '*'
  } catch (er) {
    return null
  }
}

// Determine if version is less than all the versions possible in the range
exports.ltr = ltr;
function ltr (version, range, options) {
  return outside(version, range, '<', options)
}

// Determine if version is greater than all the versions possible in the range.
exports.gtr = gtr;
function gtr (version, range, options) {
  return outside(version, range, '>', options)
}

exports.outside = outside;
function outside (version, range, hilo, options) {
  version = new SemVer(version, options);
  range = new Range(range, options);

  var gtfn, ltefn, ltfn, comp, ecomp;
  switch (hilo) {
    case '>':
      gtfn = gt;
      ltefn = lte;
      ltfn = lt;
      comp = '>';
      ecomp = '>=';
      break
    case '<':
      gtfn = lt;
      ltefn = gte;
      ltfn = gt;
      comp = '<';
      ecomp = '<=';
      break
    default:
      throw new TypeError('Must provide a hilo val of "<" or ">"')
  }

  // If it satisifes the range it is not outside
  if (satisfies(version, range, options)) {
    return false
  }

  // From now on, variable terms are as if we're in "gtr" mode.
  // but note that everything is flipped for the "ltr" function.

  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i];

    var high = null;
    var low = null;

    comparators.forEach(function (comparator) {
      if (comparator.semver === ANY) {
        comparator = new Comparator('>=0.0.0');
      }
      high = high || comparator;
      low = low || comparator;
      if (gtfn(comparator.semver, high.semver, options)) {
        high = comparator;
      } else if (ltfn(comparator.semver, low.semver, options)) {
        low = comparator;
      }
    });

    // If the edge version comparator has a operator then our version
    // isn't outside it
    if (high.operator === comp || high.operator === ecomp) {
      return false
    }

    // If the lowest version comparator has an operator and our version
    // is less than it then it isn't higher than the range
    if ((!low.operator || low.operator === comp) &&
        ltefn(version, low.semver)) {
      return false
    } else if (low.operator === ecomp && ltfn(version, low.semver)) {
      return false
    }
  }
  return true
}

exports.prerelease = prerelease;
function prerelease (version, options) {
  var parsed = parse(version, options);
  return (parsed && parsed.prerelease.length) ? parsed.prerelease : null
}

exports.intersects = intersects;
function intersects (r1, r2, options) {
  r1 = new Range(r1, options);
  r2 = new Range(r2, options);
  return r1.intersects(r2)
}

exports.coerce = coerce;
function coerce (version, options) {
  if (version instanceof SemVer) {
    return version
  }

  if (typeof version === 'number') {
    version = String(version);
  }

  if (typeof version !== 'string') {
    return null
  }

  options = options || {};

  var match = null;
  if (!options.rtl) {
    match = version.match(re[t.COERCE]);
  } else {
    // Find the right-most coercible string that does not share
    // a terminus with a more left-ward coercible string.
    // Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
    //
    // Walk through the string checking with a /g regexp
    // Manually set the index so as to pick up overlapping matches.
    // Stop when we get a match that ends at the string end, since no
    // coercible string can be more right-ward without the same terminus.
    var next;
    while ((next = re[t.COERCERTL].exec(version)) &&
      (!match || match.index + match[0].length !== version.length)
    ) {
      if (!match ||
          next.index + next[0].length !== match.index + match[0].length) {
        match = next;
      }
      re[t.COERCERTL].lastIndex = next.index + next[1].length + next[2].length;
    }
    // leave it in a clean state
    re[t.COERCERTL].lastIndex = -1;
  }

  if (match === null) {
    return null
  }

  return parse(match[2] +
    '.' + (match[3] || '0') +
    '.' + (match[4] || '0'), options)
}
});

var NAME_SELECTOR = 'NAME_SELECTOR';
var COMPONENT_SELECTOR = 'COMPONENT_SELECTOR';
var REF_SELECTOR = 'REF_SELECTOR';
var DOM_SELECTOR = 'DOM_SELECTOR';
var INVALID_SELECTOR = 'INVALID_SELECTOR';

var VUE_VERSION = Number(
  ((Vue.version.split('.')[0]) + "." + (Vue.version.split('.')[1]))
);

var FUNCTIONAL_OPTIONS =
  VUE_VERSION >= 2.5 ? 'fnOptions' : 'functionalOptions';

var BEFORE_RENDER_LIFECYCLE_HOOK = semver.gt(Vue.version, '2.1.8')
  ? 'beforeCreate'
  : 'beforeMount';

var CREATE_ELEMENT_ALIAS = semver.gt(Vue.version, '2.1.5')
  ? '_c'
  : '_h';

// 

function throwError(msg) {
  throw new Error(("[vue-test-utils]: " + msg))
}

function warn(msg) {
  console.error(("[vue-test-utils]: " + msg));
}

var camelizeRE = /-(\w)/g;

var camelize = function (str) {
  var camelizedStr = str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }
  );
  return camelizedStr.charAt(0).toLowerCase() + camelizedStr.slice(1)
};

/**
 * Capitalize a string.
 */
var capitalize = function (str) { return str.charAt(0).toUpperCase() + str.slice(1); };

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = function (str) { return str.replace(hyphenateRE, '-$1').toLowerCase(); };

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop)
}

function keys(obj) {
  // $FlowIgnore
  return Object.keys(obj)
}

function resolveComponent(id, components) {
  if (typeof id !== 'string') {
    return
  }
  // check local registration variations first
  if (hasOwnProperty(components, id)) {
    return components[id]
  }
  var camelizedId = camelize(id);
  if (hasOwnProperty(components, camelizedId)) {
    return components[camelizedId]
  }
  var PascalCaseId = capitalize(camelizedId);
  if (hasOwnProperty(components, PascalCaseId)) {
    return components[PascalCaseId]
  }
  // fallback to prototype chain
  return components[id] || components[camelizedId] || components[PascalCaseId]
}

var UA =
  typeof window !== 'undefined' &&
  'navigator' in window &&
  navigator.userAgent.toLowerCase();

var isPhantomJS = UA && UA.includes && UA.match(/phantomjs/i);

var isEdge = UA && UA.indexOf('edge/') > 0;
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;

// get the event used to trigger v-model handler that updates bound data
function getCheckedEvent() {
  var version = Vue.version;

  if (semver.satisfies(version, '2.1.9 - 2.1.10')) {
    return 'click'
  }

  if (semver.satisfies(version, '2.2 - 2.4')) {
    return isChrome ? 'click' : 'change'
  }

  // change is handler for version 2.0 - 2.1.8, and 2.5+
  return 'change'
}

/**
 * Normalize nextTick to return a promise for all Vue 2 versions.
 * Vue < 2.1 does not return a Promise from nextTick
 * @return {Promise<R>}
 */
function nextTick() {
  if (VUE_VERSION > 2) { return Vue.nextTick() }
  return new Promise(function (resolve) {
    Vue.nextTick(resolve);
  })
}

function warnDeprecated(method, fallback) {
  if ( fallback === void 0 ) fallback = '';

  if (!config.showDeprecationWarnings) { return }
  var msg = method + " is deprecated and will be removed in the next major version.";
  if (fallback) { msg += " " + fallback + "."; }
  if (config.deprecationWarningHandler) {
    config.deprecationWarningHandler(method, msg);
  } else {
    warn(msg);
  }
}

function isVueWrapper(wrapper) {
  return wrapper.vm || wrapper.isFunctionalComponent
}

// 

function addMocks(
  _Vue,
  mockedProperties
) {
  if ( mockedProperties === void 0 ) mockedProperties = {};

  if (mockedProperties === false) {
    return
  }
  Object.keys(mockedProperties).forEach(function (key) {
    try {
      // $FlowIgnore
      _Vue.prototype[key] = mockedProperties[key];
    } catch (e) {
      warn(
        "could not overwrite property " + key + ", this is " +
          "usually caused by a plugin that has added " +
          "the property as a read-only value"
      );
    }
    // $FlowIgnore
    Vue.util.defineReactive(_Vue, key, mockedProperties[key]);
  });
}

// 

function logEvents(
  vm,
  emitted,
  emittedByOrder
) {
  var emit = vm.$emit;
  vm.$emit = function (name) {
    var args = [], len = arguments.length - 1;
    while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
(emitted[name] || (emitted[name] = [])).push(args);
    emittedByOrder.push({ name: name, args: args });
    return emit.call.apply(emit, [ vm, name ].concat( args ))
  };
}

function addEventLogger(_Vue) {
  _Vue.mixin({
    beforeCreate: function() {
      this.__emitted = Object.create(null);
      this.__emittedByOrder = [];
      logEvents(this, this.__emitted, this.__emittedByOrder);
    }
  });
}

function addStubs(_Vue, stubComponents) {
  var obj;

  function addStubComponentsMixin() {
    Object.assign(this.$options.components, stubComponents);
  }

  _Vue.mixin(( obj = {}, obj[BEFORE_RENDER_LIFECYCLE_HOOK] = addStubComponentsMixin, obj ));
}

// 

function isDomSelector(selector) {
  if (typeof selector !== 'string') {
    return false
  }

  try {
    if (typeof document === 'undefined') {
      throwError(
        "mount must be run in a browser environment like " +
          "PhantomJS, jsdom or chrome"
      );
    }
  } catch (error) {
    throwError(
      "mount must be run in a browser environment like " +
        "PhantomJS, jsdom or chrome"
    );
  }

  try {
    document.querySelector(selector);
    return true
  } catch (error$1) {
    return false
  }
}

function isVueComponent(c) {
  if (isConstructor(c)) {
    return true
  }

  if (c === null || typeof c !== 'object') {
    return false
  }

  if (c.extends || c._Ctor) {
    return true
  }

  if (typeof c.template === 'string') {
    return true
  }

  if (typeof c.setup === 'function' && !c.render) {
    return true
  }

  return typeof c.render === 'function'
}

function componentNeedsCompiling(component) {
  return (
    component &&
    !component.render &&
    (component.template || component.extends || component.extendOptions) &&
    !component.functional
  )
}

function isRefSelector(refOptionsObject) {
  if (
    typeof refOptionsObject !== 'object' ||
    Object.keys(refOptionsObject || {}).length !== 1
  ) {
    return false
  }

  return typeof refOptionsObject.ref === 'string'
}

function isNameSelector(nameOptionsObject) {
  if (typeof nameOptionsObject !== 'object' || nameOptionsObject === null) {
    return false
  }

  return !!nameOptionsObject.name
}

function isConstructor(c) {
  return typeof c === 'function' && c.cid
}

function isDynamicComponent(c) {
  return typeof c === 'function' && !c.cid
}

function isComponentOptions(c) {
  return c !== null && typeof c === 'object' && (c.template || c.render)
}

function isFunctionalComponent(c) {
  if (!isVueComponent(c)) {
    return false
  }
  if (isConstructor(c)) {
    return c.options.functional
  }
  return c.functional
}

function templateContainsComponent(
  template,
  name
) {
  return [capitalize, camelize, hyphenate].some(function (format) {
    var re = new RegExp(("<" + (format(name)) + "\\s*(\\s|>|(/>))"), 'g');
    return re.test(template)
  })
}

function isPlainObject(c) {
  return Object.prototype.toString.call(c) === '[object Object]'
}

function isHTMLElement(c) {
  if (typeof HTMLElement === 'undefined') {
    return false
  }
  // eslint-disable-next-line no-undef
  return c instanceof HTMLElement
}

function makeMap(str, expectsLowerCase) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function(val) {
        return map[val.toLowerCase()]
      }
    : function(val) {
        return map[val]
      }
}

var isHTMLTag = makeMap(
  'html,body,base,head,link,meta,style,title,' +
    'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
    'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
    'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
    's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,' +
    'embed,object,param,source,canvas,script,noscript,del,ins,' +
    'caption,col,colgroup,table,thead,tbody,td,th,tr,video,' +
    'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
    'output,progress,select,textarea,' +
    'details,dialog,menu,menuitem,summary,' +
    'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
    'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
    'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isReservedTag = function (tag) { return isHTMLTag(tag) || isSVG(tag); };

// 

function compileTemplate(component) {
  if (component.template) {
    if (!vueTemplateCompiler.compileToFunctions) {
      throwError(
        "vueTemplateCompiler is undefined, you must pass " +
          "precompiled components if vue-template-compiler is " +
          "undefined"
      );
    }

    if (component.template.charAt('#') === '#') {
      var el = document.querySelector(component.template);
      if (!el) {
        throwError('Cannot find element' + component.template);

        el = document.createElement('div');
      }
      component.template = el.innerHTML;
    }

    Object.assign(component, Object.assign({}, vueTemplateCompiler.compileToFunctions(component.template),
      {name: component.name}));
  }

  if (component.components) {
    Object.keys(component.components).forEach(function (c) {
      var cmp = component.components[c];
      if (!cmp.render) {
        compileTemplate(cmp);
      }
    });
  }

  if (component.extends) {
    compileTemplate(component.extends);
  }

  if (component.extendOptions && !component.options.render) {
    compileTemplate(component.options);
  }
}

function compileTemplateForSlots(slots) {
  Object.keys(slots).forEach(function (key) {
    var slot = Array.isArray(slots[key]) ? slots[key] : [slots[key]];
    slot.forEach(function (slotValue) {
      if (componentNeedsCompiling(slotValue)) {
        compileTemplate(slotValue);
      }
    });
  });
}

// 

var MOUNTING_OPTIONS = [
  'attachToDocument',
  'mocks',
  'slots',
  'localVue',
  'stubs',
  'context',
  'clone',
  'attrs',
  'listeners',
  'propsData',
  'shouldProxy'
];

function extractInstanceOptions(options) {
  var instanceOptions = Object.assign({}, options);
  MOUNTING_OPTIONS.forEach(function (mountingOption) {
    delete instanceOptions[mountingOption];
  });
  return instanceOptions
}

// 

function isDestructuringSlotScope(slotScope) {
  return /^{.*}$/.test(slotScope)
}

function getVueTemplateCompilerHelpers(
  _Vue
) {
  // $FlowIgnore
  var vue = new _Vue();
  var helpers = {};
  var names = [
    '_c',
    '_o',
    '_n',
    '_s',
    '_l',
    '_t',
    '_q',
    '_i',
    '_m',
    '_f',
    '_k',
    '_b',
    '_v',
    '_e',
    '_u',
    '_g'
  ];
  names.forEach(function (name) {
    helpers[name] = vue._renderProxy[name];
  });
  helpers.$createElement = vue._renderProxy.$createElement;
  helpers.$set = vue._renderProxy.$set;
  return helpers
}

function validateEnvironment() {
  if (VUE_VERSION < 2.1) {
    throwError("the scopedSlots option is only supported in vue@2.1+.");
  }
}

function isScopedSlot(slot) {
  if (typeof slot === 'function') { return { match: null, slot: slot } }

  var slotScopeRe = /<[^>]+ slot-scope="(.+)"/;
  var vSlotRe = /<template v-slot(?::.+)?="(.+)"/;
  var shortVSlotRe = /<template #.*="(.+)"/;

  var hasOldSlotScope = slot.match(slotScopeRe);
  var hasVSlotScopeAttr = slot.match(vSlotRe);
  var hasShortVSlotScopeAttr = slot.match(shortVSlotRe);

  if (hasOldSlotScope) {
    return { slot: slot, match: hasOldSlotScope }
  } else if (hasVSlotScopeAttr || hasShortVSlotScopeAttr) {
    // Strip v-slot and #slot attributes from `template` tag. compileToFunctions leaves empty `template` tag otherwise.
    var sanitizedSlot = slot.replace(
      /(<template)([^>]+)(>.+<\/template>)/,
      '$1$3'
    );
    return {
      slot: sanitizedSlot,
      match: hasVSlotScopeAttr || hasShortVSlotScopeAttr
    }
  }
  // we have no matches, so we just return
  return {
    slot: slot,
    match: null
  }
}

// Hide warning about <template> disallowed as root element
function customWarn(msg) {
  if (msg.indexOf('Cannot use <template> as component root element') === -1) {
    console.error(msg);
  }
}

function createScopedSlots(
  scopedSlotsOption,
  _Vue
) {
  var scopedSlots = {};
  if (!scopedSlotsOption) {
    return scopedSlots
  }
  validateEnvironment();
  var helpers = getVueTemplateCompilerHelpers(_Vue);
  var loop = function ( scopedSlotName ) {
    var slot = scopedSlotsOption[scopedSlotName];
    var isFn = typeof slot === 'function';

    var scopedSlotMatches = isScopedSlot(slot);

    // Type check to silence flow (can't use isFn)
    var renderFn =
      typeof slot === 'function'
        ? slot
        : vueTemplateCompiler.compileToFunctions(scopedSlotMatches.slot, { warn: customWarn })
            .render;

    var slotScope = scopedSlotMatches.match && scopedSlotMatches.match[1];

    scopedSlots[scopedSlotName] = function(props) {
      var obj;

      var res;
      if (isFn) {
        res = renderFn.call(Object.assign({}, helpers), props);
      } else if (slotScope && !isDestructuringSlotScope(slotScope)) {
        res = renderFn.call(Object.assign({}, helpers, ( obj = {}, obj[slotScope] = props, obj )));
      } else if (slotScope && isDestructuringSlotScope(slotScope)) {
        res = renderFn.call(Object.assign({}, helpers, props));
      } else {
        res = renderFn.call(Object.assign({}, helpers, {props: props}));
      }
      // res is Array if <template> is a root element
      return Array.isArray(res) ? res[0] : res
    };
  };

  for (var scopedSlotName in scopedSlotsOption) loop( scopedSlotName );
  return scopedSlots
}

// 

var FUNCTION_PLACEHOLDER = '[Function]';

function isVueComponentStub(comp) {
  return (comp && comp.template) || isVueComponent(comp)
}

function isValidStub(stub) {
  return (
    typeof stub === 'boolean' ||
    (!!stub && typeof stub === 'string') ||
    isVueComponentStub(stub)
  )
}

function resolveComponent$1(obj, component) {
  return (
    obj[component] ||
    obj[hyphenate(component)] ||
    obj[camelize(component)] ||
    obj[capitalize(camelize(component))] ||
    obj[capitalize(component)] ||
    {}
  )
}

function getCoreProperties(componentOptions) {
  return {
    attrs: componentOptions.attrs,
    name: componentOptions.name,
    model: componentOptions.model,
    props: componentOptions.props,
    on: componentOptions.on,
    key: componentOptions.key,
    domProps: componentOptions.domProps,
    class: componentOptions.class,
    staticClass: componentOptions.staticClass,
    staticStyle: componentOptions.staticStyle,
    style: componentOptions.style,
    normalizedStyle: componentOptions.normalizedStyle,
    nativeOn: componentOptions.nativeOn,
    functional: componentOptions.functional,
    abstract: componentOptions.abstract
  }
}

function resolveOptions(component, _Vue) {
  if (isDynamicComponent(component)) {
    return {}
  }

  return isConstructor(component)
    ? component.options
    : _Vue.extend(component).options
}

function getScopedSlotRenderFunctions(ctx) {
  // In Vue 2.6+ a new v-slot syntax was introduced
  // scopedSlots are now saved in parent._vnode.data.scopedSlots
  // We filter out _normalized, $stable and $key keys
  if (
    ctx &&
    ctx.$options &&
    ctx.$options.parent &&
    ctx.$options.parent._vnode &&
    ctx.$options.parent._vnode.data &&
    ctx.$options.parent._vnode.data.scopedSlots
  ) {
    var slotKeys = ctx.$options.parent._vnode.data.scopedSlots;
    return keys(slotKeys).filter(
      function (x) { return x !== '_normalized' && x !== '$stable' && x !== '$key'; }
    )
  }

  return []
}

function createStubFromComponent(
  originalComponent,
  name,
  _Vue
) {
  var componentOptions = resolveOptions(originalComponent, _Vue);
  var tagName = (name || 'anonymous') + "-stub";

  // ignoreElements does not exist in Vue 2.0.x
  if (Vue.config.ignoredElements) {
    Vue.config.ignoredElements.push(tagName);
  }

  return Object.assign({}, getCoreProperties(componentOptions),
    {$_vueTestUtils_original: originalComponent,
    $_doNotStubChildren: true,
    render: function render(h, context) {
      var this$1$1 = this;

      return h(
        tagName,
        componentOptions.functional
          ? Object.assign({}, context.data,
              {attrs: Object.assign({}, shapeStubProps(context.props),
                context.data.attrs)})
          : {
              attrs: Object.assign({}, shapeStubProps(this.$props))
            },
        context
          ? context.children
          : this.$options._renderChildren ||
              getScopedSlotRenderFunctions(this).map(function (x) { return this$1$1.$options.parent._vnode.data.scopedSlots[x]({}); }
              )
      )
    }})
}

function shapeStubProps(props) {
  var shapedProps = {};
  for (var propName in props) {
    if (typeof props[propName] === 'function') {
      shapedProps[propName] = FUNCTION_PLACEHOLDER;
      continue
    }

    if (Array.isArray(props[propName])) {
      shapedProps[propName] = props[propName].map(function (value) {
        return typeof value === 'function' ? FUNCTION_PLACEHOLDER : value
      });
      continue
    }

    shapedProps[propName] = props[propName];
  }

  return shapedProps
}

// DEPRECATED: converts string stub to template stub.
function createStubFromString(templateString, name) {
  warnDeprecated('Using a string for stubs');

  if (templateContainsComponent(templateString, name)) {
    throwError('options.stub cannot contain a circular reference');
  }

  return {
    template: templateString,
    $_doNotStubChildren: true
  }
}

function setStubComponentName(
  stub,
  originalComponent,
  _Vue
) {
  if ( originalComponent === void 0 ) originalComponent = {};

  if (stub.name) { return }

  var componentOptions = resolveOptions(originalComponent, _Vue);
  stub.name = getCoreProperties(componentOptions).name;
}

function validateStub(stub) {
  if (!isValidStub(stub)) {
    throwError("options.stub values must be passed a string or " + "component");
  }
}

function createStubsFromStubsObject(
  originalComponents,
  stubs,
  _Vue
) {
  if ( originalComponents === void 0 ) originalComponents = {};

  return Object.keys(stubs || {}).reduce(function (acc, stubName) {
    var stub = stubs[stubName];

    validateStub(stub);

    if (stub === false) {
      return acc
    }

    var component = resolveComponent$1(originalComponents, stubName);

    if (stub === true) {
      acc[stubName] = createStubFromComponent(component, stubName, _Vue);
      return acc
    }

    if (typeof stub === 'string') {
      stub = createStubFromString(stub, stubName);
      stubs[stubName];
    }

    setStubComponentName(stub, component, _Vue);
    if (componentNeedsCompiling(stub)) {
      compileTemplate(stub);
    }

    acc[stubName] = stub;
    stub._Ctor = {};

    return acc
  }, {})
}

var isAllowlisted = function (el, allowlist) { return resolveComponent(el, allowlist); };
var isAlreadyStubbed = function (el, stubs) { return stubs.has(el); };

function shouldExtend(component, _Vue) {
  return isConstructor(component) || (component && component.extends)
}

function extend(component, _Vue) {
  var componentOptions = component.options ? component.options : component;
  var stub = _Vue.extend(componentOptions);
  stub.options.$_vueTestUtils_original = component;
  stub.options._base = _Vue;
  return stub
}

function createStubIfNeeded(shouldStub, component, _Vue, el) {
  if (shouldStub) {
    return createStubFromComponent(component || {}, el, _Vue)
  }

  if (shouldExtend(component)) {
    return extend(component, _Vue)
  }
}

function shouldNotBeStubbed(el, allowlist, modifiedComponents) {
  return (
    (typeof el === 'string' && isReservedTag(el)) ||
    isAllowlisted(el, allowlist) ||
    isAlreadyStubbed(el, modifiedComponents)
  )
}

function patchCreateElement(_Vue, stubs, stubAllComponents) {
  var obj;

  // This mixin patches vm.$createElement so that we can stub all components
  // before they are rendered in shallow mode. We also need to ensure that
  // component constructors were created from the _Vue constructor. If not,
  // we must replace them with components created from the _Vue constructor
  // before calling the original $createElement. This ensures that components
  // have the correct instance properties and stubs when they are rendered.
  function patchCreateElementMixin() {
    var vm = this;

    if (vm.$options.$_doNotStubChildren || vm.$options._isFunctionalContainer) {
      return
    }

    var modifiedComponents = new Set();
    var originalCreateElement = vm.$createElement;
    var originalComponents = vm.$options.components;

    var createElement = function (el) {
      var obj;

      var args = [], len = arguments.length - 1;
      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
      if (shouldNotBeStubbed(el, stubs, modifiedComponents)) {
        return originalCreateElement.apply(void 0, [ el ].concat( args ))
      }

      if (isConstructor(el) || isComponentOptions(el)) {
        if (stubAllComponents) {
          var stub = createStubFromComponent(el, el.name || 'anonymous', _Vue);
          return originalCreateElement.apply(void 0, [ stub ].concat( args ))
        }
        var Constructor = shouldExtend(el) ? extend(el, _Vue) : el;

        return originalCreateElement.apply(void 0, [ Constructor ].concat( args ))
      }

      if (typeof el === 'string') {
        var original = resolveComponent(el, originalComponents);

        if (!original) {
          return originalCreateElement.apply(void 0, [ el ].concat( args ))
        }

        if (isDynamicComponent(original)) {
          return originalCreateElement.apply(void 0, [ el ].concat( args ))
        }

        var stub$1 = createStubIfNeeded(stubAllComponents, original, _Vue, el);

        if (stub$1) {
          Object.assign(vm.$options.components, ( obj = {}, obj[el] = stub$1, obj ));
          modifiedComponents.add(el);
        }
      }

      return originalCreateElement.apply(void 0, [ el ].concat( args ))
    };

    vm[CREATE_ELEMENT_ALIAS] = createElement;
    vm.$createElement = createElement;
  }

  _Vue.mixin(( obj = {}, obj[BEFORE_RENDER_LIFECYCLE_HOOK] = patchCreateElementMixin, obj ));
}

// 

function objectWithoutProperties (obj, exclude) { var target = {}; for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k) && exclude.indexOf(k) === -1) target[k] = obj[k]; return target; }

function createContext(options, scopedSlots, currentProps) {
  var on = Object.assign({}, (options.context && options.context.on),
    options.listeners);
  return Object.assign({}, {attrs: Object.assign({}, options.attrs,
      // pass as attrs so that inheritAttrs works correctly
      // props should take precedence over attrs
      currentProps)},
    (options.context || {}),
    {on: on,
    scopedSlots: scopedSlots})
}

function createChildren(vm, h, ref) {
  var slots = ref.slots;
  var context = ref.context;

  var slotVNodes = slots ? createSlotVNodes(vm, slots) : undefined;
  return (
    (context &&
      context.children &&
      context.children.map(function (x) { return (typeof x === 'function' ? x(h) : x); })) ||
    slotVNodes
  )
}

function getValuesFromCallableOption(optionValue) {
  if (typeof optionValue === 'function') {
    return optionValue.call(this)
  }
  return optionValue
}

function createInstance(
  component,
  options,
  _Vue
) {
  var componentOptions = isConstructor(component)
    ? component.options
    : component;

  // instance options are options that are passed to the
  // root instance when it's instantiated
  var instanceOptions = extractInstanceOptions(options);

  var globalComponents = _Vue.options.components || {};
  var componentsToStub = Object.assign(
    Object.create(globalComponents),
    componentOptions.components
  );

  var stubComponentsObject = createStubsFromStubsObject(
    componentsToStub,
    // $FlowIgnore
    options.stubs,
    _Vue
  );

  addEventLogger(_Vue);
  addMocks(_Vue, options.mocks);
  addStubs(_Vue, stubComponentsObject);
  patchCreateElement(_Vue, stubComponentsObject, options.shouldProxy);

  if (componentNeedsCompiling(componentOptions)) {
    compileTemplate(componentOptions);
  }

  // used to identify extended component using constructor
  componentOptions.$_vueTestUtils_original = component;

  // watchers provided in mounting options should override preexisting ones
  if (componentOptions.watch && instanceOptions.watch) {
    var componentWatchers = Object.keys(componentOptions.watch);
    var instanceWatchers = Object.keys(instanceOptions.watch);

    for (var i = 0; i < instanceWatchers.length; i++) {
      var k = instanceWatchers[i];
      // override the componentOptions with the one provided in mounting options
      if (componentWatchers.includes(k)) {
        componentOptions.watch[k] = instanceOptions.watch[k];
      }
    }
  }

  // make sure all extends are based on this instance
  var Constructor = _Vue.extend(componentOptions).extend(instanceOptions);
  Constructor.options._base = _Vue;

  var scopedSlots = createScopedSlots(options.scopedSlots, _Vue);

  var parentComponentOptions = options.parentComponent || {};

  var originalParentComponentProvide = parentComponentOptions.provide;
  parentComponentOptions.provide = function() {
    return Object.assign({}, getValuesFromCallableOption.call(this, originalParentComponentProvide),
      // $FlowIgnore
      getValuesFromCallableOption.call(this, options.provide))
  };

  var originalParentComponentData = parentComponentOptions.data;
  parentComponentOptions.data = function() {
    return Object.assign({}, getValuesFromCallableOption.call(this, originalParentComponentData),
      {vueTestUtils_childProps: Object.assign({}, options.propsData)})
  };

  parentComponentOptions.$_doNotStubChildren = true;
  parentComponentOptions.$_isWrapperParent = true;
  parentComponentOptions._isFunctionalContainer = componentOptions.functional;
  parentComponentOptions.render = function(h) {
    return h(
      Constructor,
      createContext(options, scopedSlots, this.vueTestUtils_childProps),
      createChildren(this, h, options)
    )
  };

  // options  "propsData" can only be used during instance creation with the `new` keyword
  // "data" should be set only on component under test to avoid reactivity issues
  options.propsData;
  options.data;
  var rest$1 = objectWithoutProperties( options, ["propsData", "data"] );
  var rest = rest$1; // eslint-disable-line
  var Parent = _Vue.extend(Object.assign({}, rest,
    parentComponentOptions));

  return new Parent()
}

// 

function createElement() {
  if (document) {
    var elem = document.createElement('div');

    if (document.body) {
      document.body.appendChild(elem);
    }
    return elem
  }
}

// 

function findDOMNodes(
  element,
  selector
) {
  var nodes = [];
  if (!element || !element.querySelectorAll || !element.matches) {
    return nodes
  }

  if (element.matches(selector)) {
    nodes.push(element);
  }
  // $FlowIgnore
  return nodes.concat([].slice.call(element.querySelectorAll(selector)))
}

function vmMatchesName(vm, name) {
  // We want to mirror how Vue resolves component names in SFCs:
  // For example, <test-component />, <TestComponent /> and `<testComponent />
  // all resolve to the same component
  var componentName = isFunctionalComponent(vm)
    ? vm.name
    : vm.$options && vm.$options.name;

  return (
    !!name &&
    !!componentName &&
    (componentName === name ||
      // testComponent -> TestComponent
      componentName === capitalize(name) ||
      // test-component -> TestComponent
      componentName === capitalize(camelize(name)) ||
      // same match as above, but the component name vs query
      capitalize(camelize(componentName)) === name)
  )
}

function vmCtorMatches(vm, component) {
  if (
    (vm.$options && vm.$options.$_vueTestUtils_original === component) ||
    vm.$_vueTestUtils_original === component
  ) {
    return true
  }

  var Ctor = isConstructor(component)
    ? component.options._Ctor
    : component._Ctor;

  if (!Ctor) {
    return false
  }

  if (vm.constructor.extendOptions === component) {
    return true
  }

  if (component.functional) {
    return Object.keys(vm._Ctor || {}).some(function (c) {
      return component === vm._Ctor[c].extendOptions
    })
  }
}

function matches(node, selector) {
  if (selector.type === DOM_SELECTOR) {
    var element = node instanceof Element ? node : node.elm;
    return element && element.matches && element.matches(selector.value)
  }

  var isFunctionalSelector = isConstructor(selector.value)
    ? selector.value.options.functional
    : selector.value.functional;

  var componentInstance =
    (isFunctionalSelector ? node[FUNCTIONAL_OPTIONS] : node.child) ||
    node[FUNCTIONAL_OPTIONS] ||
    node.child;

  if (!componentInstance) {
    return false
  }

  if (selector.type === COMPONENT_SELECTOR) {
    if (vmCtorMatches(componentInstance, selector.value)) {
      return true
    }
  }

  // Fallback to name selector for COMPONENT_SELECTOR for Vue < 2.1
  var nameSelector = isConstructor(selector.value)
    ? selector.value.extendOptions.name
    : selector.value.name;
  return vmMatchesName(componentInstance, nameSelector)
}

// 

/**
 * Traverses a vue instance for its parents and returns them in an array format
 * @param {Component} vm
 * @returns {Component[]} The component and its corresponding parents, in order from left to right
 */
function findAllParentInstances(childVm) {
  var instances = [childVm];

  function getParent(_vm) {
    if (_vm && _vm.$parent) {
      instances.push(_vm.$parent);
      return getParent(_vm.$parent)
    }
    return _vm
  }

  getParent(childVm);
  return instances
}

function findAllInstances(rootVm) {
  var instances = [rootVm];
  var i = 0;
  while (i < instances.length) {
    var vm = instances[i]
    ;(vm.$children || []).forEach(function (child) {
      instances.push(child);
    });
    i++;
  }
  return instances
}

function findAllVNodes(vnode, selector) {
  var matchingNodes = [];
  var nodes = [vnode];
  while (nodes.length) {
    var node = nodes.shift();
    if (node.children) {
      var children = [].concat( node.children ).reverse();
      children.forEach(function (n) {
        nodes.unshift(n);
      });
    }
    if (node.child) {
      nodes.unshift(node.child._vnode);
    }
    if (matches(node, selector)) {
      matchingNodes.push(node);
    }
  }

  return matchingNodes
}

function removeDuplicateNodes(vNodes) {
  var vNodeElms = vNodes.map(function (vNode) { return vNode.elm; });
  return vNodes.filter(function (vNode, index) { return index === vNodeElms.indexOf(vNode.elm); })
}

function find(
  root,
  vm,
  selector
) {
  if (root instanceof Element && selector.type !== DOM_SELECTOR) {
    throwError(
      "cannot find a Vue instance on a DOM node. The node " +
        "you are calling find on does not exist in the " +
        "VDom. Are you adding the node as innerHTML?"
    );
  }

  if (
    selector.type === COMPONENT_SELECTOR &&
    (selector.value.functional ||
      (selector.value.options && selector.value.options.functional)) &&
    VUE_VERSION < 2.3
  ) {
    throwError(
      "find for functional components is not supported " + "in Vue < 2.3"
    );
  }

  if (root instanceof Element) {
    return findDOMNodes(root, selector.value)
  }

  if (!root && selector.type !== DOM_SELECTOR) {
    throwError(
      "cannot find a Vue instance on a DOM node. The node " +
        "you are calling find on does not exist in the " +
        "VDom. Are you adding the node as innerHTML?"
    );
  }

  if (!vm && selector.type === REF_SELECTOR) {
    throwError("$ref selectors can only be used on Vue component " + "wrappers");
  }

  if (vm && vm.$refs && selector.value.ref in vm.$refs) {
    var refs = vm.$refs[selector.value.ref];
    return Array.isArray(refs) ? refs : [refs]
  }

  var nodes = findAllVNodes(root, selector);
  var dedupedNodes = removeDuplicateNodes(nodes);

  if (nodes.length > 0 || selector.type !== DOM_SELECTOR) {
    return dedupedNodes
  }

  // Fallback in case element exists in HTML, but not in vnode tree
  // (e.g. if innerHTML is set as a domProp)
  return findDOMNodes(root.elm, selector.value)
}

function errorHandler(errorOrString, vm, info) {
  var error =
    typeof errorOrString === 'object' ? errorOrString : new Error(errorOrString);

  // If a user defined errorHandler was register via createLocalVue
  // find and call the user defined errorHandler
  var instancedErrorHandlers = findAllParentInstances(vm)
    .filter(
      function (_vm) { return _vm &&
        _vm.$options &&
        _vm.$options.localVue &&
        _vm.$options.localVue.config &&
        _vm.$options.localVue.config.errorHandler; }
    )
    .map(function (_vm) { return _vm.$options.localVue.config.errorHandler; });

  if (vm) {
    vm._error = error;
  }

  if (!instancedErrorHandlers.length) {
    throw error
  }
  // should be one error handler, as only once can be registered with local vue
  // regardless, if more exist (for whatever reason), invoke the other user defined error handlers
  instancedErrorHandlers.forEach(function (instancedErrorHandler) {
    instancedErrorHandler(error, vm, info);
  });
}

function throwIfInstancesThrew(vm) {
  var instancesWithError = findAllInstances(vm).filter(function (_vm) { return _vm._error; });

  if (instancesWithError.length > 0) {
    throw instancesWithError[0]._error
  }
}

var hasWarned = false;

// Vue swallows errors thrown by instances, even if the global error handler
// throws. In order to throw in the test, we add an _error property to an
// instance when it throws. Then we loop through the instances with
// throwIfInstancesThrew and throw an error in the test context if any
// instances threw.
function addGlobalErrorHandler(_Vue) {
  var existingErrorHandler = _Vue.config.errorHandler;

  if (existingErrorHandler === errorHandler) {
    return
  }

  if (_Vue.config.errorHandler && !hasWarned) {
    warn(
      "Global error handler detected (Vue.config.errorHandler). \n" +
        "Vue Test Utils sets a custom error handler to throw errors " +
        "thrown by instances. If you want this behavior in " +
        "your tests, you must remove the global error handler."
    );
    hasWarned = true;
  } else {
    _Vue.config.errorHandler = errorHandler;
  }
}

function normalizeStubs(stubs) {
  if ( stubs === void 0 ) stubs = {};

  if (stubs === false) {
    return false
  }
  if (isPlainObject(stubs)) {
    return stubs
  }
  if (Array.isArray(stubs)) {
    return stubs.reduce(function (acc, stub) {
      if (typeof stub !== 'string') {
        throwError('each item in an options.stubs array must be a string');
      }
      acc[stub] = true;
      return acc
    }, {})
  }
  throwError('options.stubs must be an object or an Array');
}

function normalizeProvide(provide) {
  // Objects are not resolved in extended components in Vue < 2.5
  // https://github.com/vuejs/vue/issues/6436
  if (typeof provide === 'object' && VUE_VERSION < 2.5) {
    var obj = Object.assign({}, provide);
    return function () { return obj; }
  }
  return provide
}

// 

function getOption(option, config) {
  if (option === false) {
    return false
  }
  if (option || (config && Object.keys(config).length > 0)) {
    if (option instanceof Function) {
      return option
    }
    if (config instanceof Function) {
      throw new Error("Config can't be a Function.")
    }
    return Object.assign({}, config,
      option)
  }
}

function getStubs(stubs, configStubs) {
  var normalizedStubs = normalizeStubs(stubs);
  var normalizedConfigStubs = normalizeStubs(configStubs);
  return getOption(normalizedStubs, normalizedConfigStubs)
}

function mergeOptions(
  options,
  config
) {
  var mocks = (getOption(options.mocks, config.mocks));
  var methods = (getOption(options.methods, config.methods));
  if (methods && Object.keys(methods).length) {
    warnDeprecated(
      'overwriting methods via the `methods` property',
      'There is no clear migration path for the `methods` property - Vue does not support arbitrarily replacement of methods, nor should VTU. To stub a complex method extract it from the component and test it in isolation. Otherwise, the suggestion is to rethink those tests'
    );
  }

  var provide = (getOption(options.provide, config.provide));
  var stubs = (getStubs(options.stubs, config.stubs));
  // $FlowIgnore
  return Object.assign({}, options,
    {provide: normalizeProvide(provide),
    stubs: stubs,
    mocks: mocks,
    methods: methods})
}

var config = {
  stubs: {
    transition: true,
    'transition-group': true
  },
  mocks: {},
  methods: {},
  provide: {},
  showDeprecationWarnings:
     true
};

// 

function warnIfNoWindow() {
  if (typeof window === 'undefined') {
    throwError(
      "window is undefined, vue-test-utils needs to be " +
        "run in a browser environment. \n" +
        "You can run the tests in node using jsdom \n" +
        "See https://vue-test-utils.vuejs.org/guides/#browser-environment " +
        "for more details."
    );
  }
}

function polyfill() {
  // Polyfill `Element.matches()` for IE and older versions of Chrome:
  // https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill
  if (!Element.prototype.matches) {
    Element.prototype.matches =
      Element.prototype.msMatchesSelector ||
      Element.prototype.webkitMatchesSelector;
  }
}

/*jshint node:true */

function OutputLine(parent) {
  this.__parent = parent;
  this.__character_count = 0;
  // use indent_count as a marker for this.__lines that have preserved indentation
  this.__indent_count = -1;
  this.__alignment_count = 0;
  this.__wrap_point_index = 0;
  this.__wrap_point_character_count = 0;
  this.__wrap_point_indent_count = -1;
  this.__wrap_point_alignment_count = 0;

  this.__items = [];
}

OutputLine.prototype.clone_empty = function() {
  var line = new OutputLine(this.__parent);
  line.set_indent(this.__indent_count, this.__alignment_count);
  return line;
};

OutputLine.prototype.item = function(index) {
  if (index < 0) {
    return this.__items[this.__items.length + index];
  } else {
    return this.__items[index];
  }
};

OutputLine.prototype.has_match = function(pattern) {
  for (var lastCheckedOutput = this.__items.length - 1; lastCheckedOutput >= 0; lastCheckedOutput--) {
    if (this.__items[lastCheckedOutput].match(pattern)) {
      return true;
    }
  }
  return false;
};

OutputLine.prototype.set_indent = function(indent, alignment) {
  if (this.is_empty()) {
    this.__indent_count = indent || 0;
    this.__alignment_count = alignment || 0;
    this.__character_count = this.__parent.get_indent_size(this.__indent_count, this.__alignment_count);
  }
};

OutputLine.prototype._set_wrap_point = function() {
  if (this.__parent.wrap_line_length) {
    this.__wrap_point_index = this.__items.length;
    this.__wrap_point_character_count = this.__character_count;
    this.__wrap_point_indent_count = this.__parent.next_line.__indent_count;
    this.__wrap_point_alignment_count = this.__parent.next_line.__alignment_count;
  }
};

OutputLine.prototype._should_wrap = function() {
  return this.__wrap_point_index &&
    this.__character_count > this.__parent.wrap_line_length &&
    this.__wrap_point_character_count > this.__parent.next_line.__character_count;
};

OutputLine.prototype._allow_wrap = function() {
  if (this._should_wrap()) {
    this.__parent.add_new_line();
    var next = this.__parent.current_line;
    next.set_indent(this.__wrap_point_indent_count, this.__wrap_point_alignment_count);
    next.__items = this.__items.slice(this.__wrap_point_index);
    this.__items = this.__items.slice(0, this.__wrap_point_index);

    next.__character_count += this.__character_count - this.__wrap_point_character_count;
    this.__character_count = this.__wrap_point_character_count;

    if (next.__items[0] === " ") {
      next.__items.splice(0, 1);
      next.__character_count -= 1;
    }
    return true;
  }
  return false;
};

OutputLine.prototype.is_empty = function() {
  return this.__items.length === 0;
};

OutputLine.prototype.last = function() {
  if (!this.is_empty()) {
    return this.__items[this.__items.length - 1];
  } else {
    return null;
  }
};

OutputLine.prototype.push = function(item) {
  this.__items.push(item);
  var last_newline_index = item.lastIndexOf('\n');
  if (last_newline_index !== -1) {
    this.__character_count = item.length - last_newline_index;
  } else {
    this.__character_count += item.length;
  }
};

OutputLine.prototype.pop = function() {
  var item = null;
  if (!this.is_empty()) {
    item = this.__items.pop();
    this.__character_count -= item.length;
  }
  return item;
};


OutputLine.prototype._remove_indent = function() {
  if (this.__indent_count > 0) {
    this.__indent_count -= 1;
    this.__character_count -= this.__parent.indent_size;
  }
};

OutputLine.prototype._remove_wrap_indent = function() {
  if (this.__wrap_point_indent_count > 0) {
    this.__wrap_point_indent_count -= 1;
  }
};
OutputLine.prototype.trim = function() {
  while (this.last() === ' ') {
    this.__items.pop();
    this.__character_count -= 1;
  }
};

OutputLine.prototype.toString = function() {
  var result = '';
  if (this.is_empty()) {
    if (this.__parent.indent_empty_lines) {
      result = this.__parent.get_indent_string(this.__indent_count);
    }
  } else {
    result = this.__parent.get_indent_string(this.__indent_count, this.__alignment_count);
    result += this.__items.join('');
  }
  return result;
};

function IndentStringCache(options, baseIndentString) {
  this.__cache = [''];
  this.__indent_size = options.indent_size;
  this.__indent_string = options.indent_char;
  if (!options.indent_with_tabs) {
    this.__indent_string = new Array(options.indent_size + 1).join(options.indent_char);
  }

  // Set to null to continue support for auto detection of base indent
  baseIndentString = baseIndentString || '';
  if (options.indent_level > 0) {
    baseIndentString = new Array(options.indent_level + 1).join(this.__indent_string);
  }

  this.__base_string = baseIndentString;
  this.__base_string_length = baseIndentString.length;
}

IndentStringCache.prototype.get_indent_size = function(indent, column) {
  var result = this.__base_string_length;
  column = column || 0;
  if (indent < 0) {
    result = 0;
  }
  result += indent * this.__indent_size;
  result += column;
  return result;
};

IndentStringCache.prototype.get_indent_string = function(indent_level, column) {
  var result = this.__base_string;
  column = column || 0;
  if (indent_level < 0) {
    indent_level = 0;
    result = '';
  }
  column += indent_level * this.__indent_size;
  this.__ensure_cache(column);
  result += this.__cache[column];
  return result;
};

IndentStringCache.prototype.__ensure_cache = function(column) {
  while (column >= this.__cache.length) {
    this.__add_column();
  }
};

IndentStringCache.prototype.__add_column = function() {
  var column = this.__cache.length;
  var indent = 0;
  var result = '';
  if (this.__indent_size && column >= this.__indent_size) {
    indent = Math.floor(column / this.__indent_size);
    column -= indent * this.__indent_size;
    result = new Array(indent + 1).join(this.__indent_string);
  }
  if (column) {
    result += new Array(column + 1).join(' ');
  }

  this.__cache.push(result);
};

function Output(options, baseIndentString) {
  this.__indent_cache = new IndentStringCache(options, baseIndentString);
  this.raw = false;
  this._end_with_newline = options.end_with_newline;
  this.indent_size = options.indent_size;
  this.wrap_line_length = options.wrap_line_length;
  this.indent_empty_lines = options.indent_empty_lines;
  this.__lines = [];
  this.previous_line = null;
  this.current_line = null;
  this.next_line = new OutputLine(this);
  this.space_before_token = false;
  this.non_breaking_space = false;
  this.previous_token_wrapped = false;
  // initialize
  this.__add_outputline();
}

Output.prototype.__add_outputline = function() {
  this.previous_line = this.current_line;
  this.current_line = this.next_line.clone_empty();
  this.__lines.push(this.current_line);
};

Output.prototype.get_line_number = function() {
  return this.__lines.length;
};

Output.prototype.get_indent_string = function(indent, column) {
  return this.__indent_cache.get_indent_string(indent, column);
};

Output.prototype.get_indent_size = function(indent, column) {
  return this.__indent_cache.get_indent_size(indent, column);
};

Output.prototype.is_empty = function() {
  return !this.previous_line && this.current_line.is_empty();
};

Output.prototype.add_new_line = function(force_newline) {
  // never newline at the start of file
  // otherwise, newline only if we didn't just add one or we're forced
  if (this.is_empty() ||
    (!force_newline && this.just_added_newline())) {
    return false;
  }

  // if raw output is enabled, don't print additional newlines,
  // but still return True as though you had
  if (!this.raw) {
    this.__add_outputline();
  }
  return true;
};

Output.prototype.get_code = function(eol) {
  this.trim(true);

  // handle some edge cases where the last tokens
  // has text that ends with newline(s)
  var last_item = this.current_line.pop();
  if (last_item) {
    if (last_item[last_item.length - 1] === '\n') {
      last_item = last_item.replace(/\n+$/g, '');
    }
    this.current_line.push(last_item);
  }

  if (this._end_with_newline) {
    this.__add_outputline();
  }

  var sweet_code = this.__lines.join('\n');

  if (eol !== '\n') {
    sweet_code = sweet_code.replace(/[\n]/g, eol);
  }
  return sweet_code;
};

Output.prototype.set_wrap_point = function() {
  this.current_line._set_wrap_point();
};

Output.prototype.set_indent = function(indent, alignment) {
  indent = indent || 0;
  alignment = alignment || 0;

  // Next line stores alignment values
  this.next_line.set_indent(indent, alignment);

  // Never indent your first output indent at the start of the file
  if (this.__lines.length > 1) {
    this.current_line.set_indent(indent, alignment);
    return true;
  }

  this.current_line.set_indent();
  return false;
};

Output.prototype.add_raw_token = function(token) {
  for (var x = 0; x < token.newlines; x++) {
    this.__add_outputline();
  }
  this.current_line.set_indent(-1);
  this.current_line.push(token.whitespace_before);
  this.current_line.push(token.text);
  this.space_before_token = false;
  this.non_breaking_space = false;
  this.previous_token_wrapped = false;
};

Output.prototype.add_token = function(printable_token) {
  this.__add_space_before_token();
  this.current_line.push(printable_token);
  this.space_before_token = false;
  this.non_breaking_space = false;
  this.previous_token_wrapped = this.current_line._allow_wrap();
};

Output.prototype.__add_space_before_token = function() {
  if (this.space_before_token && !this.just_added_newline()) {
    if (!this.non_breaking_space) {
      this.set_wrap_point();
    }
    this.current_line.push(' ');
  }
};

Output.prototype.remove_indent = function(index) {
  var output_length = this.__lines.length;
  while (index < output_length) {
    this.__lines[index]._remove_indent();
    index++;
  }
  this.current_line._remove_wrap_indent();
};

Output.prototype.trim = function(eat_newlines) {
  eat_newlines = (eat_newlines === undefined) ? false : eat_newlines;

  this.current_line.trim();

  while (eat_newlines && this.__lines.length > 1 &&
    this.current_line.is_empty()) {
    this.__lines.pop();
    this.current_line = this.__lines[this.__lines.length - 1];
    this.current_line.trim();
  }

  this.previous_line = this.__lines.length > 1 ?
    this.__lines[this.__lines.length - 2] : null;
};

Output.prototype.just_added_newline = function() {
  return this.current_line.is_empty();
};

Output.prototype.just_added_blankline = function() {
  return this.is_empty() ||
    (this.current_line.is_empty() && this.previous_line.is_empty());
};

Output.prototype.ensure_empty_line_above = function(starts_with, ends_with) {
  var index = this.__lines.length - 2;
  while (index >= 0) {
    var potentialEmptyLine = this.__lines[index];
    if (potentialEmptyLine.is_empty()) {
      break;
    } else if (potentialEmptyLine.item(0).indexOf(starts_with) !== 0 &&
      potentialEmptyLine.item(-1) !== ends_with) {
      this.__lines.splice(index + 1, 0, new OutputLine(this));
      this.previous_line = this.__lines[this.__lines.length - 2];
      break;
    }
    index--;
  }
};

var Output_1 = Output;

var output = {
	Output: Output_1
};

/*jshint node:true */

function Token(type, text, newlines, whitespace_before) {
  this.type = type;
  this.text = text;

  // comments_before are
  // comments that have a new line before them
  // and may or may not have a newline after
  // this is a set of comments before
  this.comments_before = null; /* inline comment*/


  // this.comments_after =  new TokenStream(); // no new line before and newline after
  this.newlines = newlines || 0;
  this.whitespace_before = whitespace_before || '';
  this.parent = null;
  this.next = null;
  this.previous = null;
  this.opened = null;
  this.closed = null;
  this.directives = null;
}


var Token_1 = Token;

var token = {
	Token: Token_1
};

var acorn = createCommonjsModule(function (module, exports) {

// acorn used char codes to squeeze the last bit of performance out
// Beautifier is okay without that, so we're using regex
// permit $ (36) and @ (64). @ is used in ES7 decorators.
// 65 through 91 are uppercase letters.
// permit _ (95).
// 97 through 123 are lowercase letters.
var baseASCIIidentifierStartChars = "\\x24\\x40\\x41-\\x5a\\x5f\\x61-\\x7a";

// inside an identifier @ is not allowed but 0-9 are.
var baseASCIIidentifierChars = "\\x24\\x30-\\x39\\x41-\\x5a\\x5f\\x61-\\x7a";

// Big ugly regular expressions that match characters in the
// whitespace, identifier, and identifier-start categories. These
// are only applied when a character is found to actually have a
// code point above 128.
var nonASCIIidentifierStartChars = "\\xaa\\xb5\\xba\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u02c1\\u02c6-\\u02d1\\u02e0-\\u02e4\\u02ec\\u02ee\\u0370-\\u0374\\u0376\\u0377\\u037a-\\u037d\\u0386\\u0388-\\u038a\\u038c\\u038e-\\u03a1\\u03a3-\\u03f5\\u03f7-\\u0481\\u048a-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0620-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06e5\\u06e6\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u07a5\\u07b1\\u07ca-\\u07ea\\u07f4\\u07f5\\u07fa\\u0800-\\u0815\\u081a\\u0824\\u0828\\u0840-\\u0858\\u08a0\\u08a2-\\u08ac\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0bd0\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c3d\\u0c58\\u0c59\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0cf1\\u0cf2\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d3a\\u0d3d\\u0d4e\\u0d60\\u0d61\\u0d7a-\\u0d7f\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e46\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0ec6\\u0edc-\\u0edf\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6c\\u0f88-\\u0f8c\\u1000-\\u102a\\u103f\\u1050-\\u1055\\u105a-\\u105d\\u1061\\u1065\\u1066\\u106e-\\u1070\\u1075-\\u1081\\u108e\\u10a0-\\u10c5\\u10c7\\u10cd\\u10d0-\\u10fa\\u10fc-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u167f\\u1681-\\u169a\\u16a0-\\u16ea\\u16ee-\\u16f0\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17d7\\u17dc\\u1820-\\u1877\\u1880-\\u18a8\\u18aa\\u18b0-\\u18f5\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19ab\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1a20-\\u1a54\\u1aa7\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u1b83-\\u1ba0\\u1bae\\u1baf\\u1bba-\\u1be5\\u1c00-\\u1c23\\u1c4d-\\u1c4f\\u1c5a-\\u1c7d\\u1ce9-\\u1cec\\u1cee-\\u1cf1\\u1cf5\\u1cf6\\u1d00-\\u1dbf\\u1e00-\\u1f15\\u1f18-\\u1f1d\\u1f20-\\u1f45\\u1f48-\\u1f4d\\u1f50-\\u1f57\\u1f59\\u1f5b\\u1f5d\\u1f5f-\\u1f7d\\u1f80-\\u1fb4\\u1fb6-\\u1fbc\\u1fbe\\u1fc2-\\u1fc4\\u1fc6-\\u1fcc\\u1fd0-\\u1fd3\\u1fd6-\\u1fdb\\u1fe0-\\u1fec\\u1ff2-\\u1ff4\\u1ff6-\\u1ffc\\u2071\\u207f\\u2090-\\u209c\\u2102\\u2107\\u210a-\\u2113\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u212f-\\u2139\\u213c-\\u213f\\u2145-\\u2149\\u214e\\u2160-\\u2188\\u2c00-\\u2c2e\\u2c30-\\u2c5e\\u2c60-\\u2ce4\\u2ceb-\\u2cee\\u2cf2\\u2cf3\\u2d00-\\u2d25\\u2d27\\u2d2d\\u2d30-\\u2d67\\u2d6f\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u2e2f\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303c\\u3041-\\u3096\\u309d-\\u309f\\u30a1-\\u30fa\\u30fc-\\u30ff\\u3105-\\u312d\\u3131-\\u318e\\u31a0-\\u31ba\\u31f0-\\u31ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\ua000-\\ua48c\\ua4d0-\\ua4fd\\ua500-\\ua60c\\ua610-\\ua61f\\ua62a\\ua62b\\ua640-\\ua66e\\ua67f-\\ua697\\ua6a0-\\ua6ef\\ua717-\\ua71f\\ua722-\\ua788\\ua78b-\\ua78e\\ua790-\\ua793\\ua7a0-\\ua7aa\\ua7f8-\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\ua882-\\ua8b3\\ua8f2-\\ua8f7\\ua8fb\\ua90a-\\ua925\\ua930-\\ua946\\ua960-\\ua97c\\ua984-\\ua9b2\\ua9cf\\uaa00-\\uaa28\\uaa40-\\uaa42\\uaa44-\\uaa4b\\uaa60-\\uaa76\\uaa7a\\uaa80-\\uaaaf\\uaab1\\uaab5\\uaab6\\uaab9-\\uaabd\\uaac0\\uaac2\\uaadb-\\uaadd\\uaae0-\\uaaea\\uaaf2-\\uaaf4\\uab01-\\uab06\\uab09-\\uab0e\\uab11-\\uab16\\uab20-\\uab26\\uab28-\\uab2e\\uabc0-\\uabe2\\uac00-\\ud7a3\\ud7b0-\\ud7c6\\ud7cb-\\ud7fb\\uf900-\\ufa6d\\ufa70-\\ufad9\\ufb00-\\ufb06\\ufb13-\\ufb17\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff21-\\uff3a\\uff41-\\uff5a\\uff66-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc";
var nonASCIIidentifierChars = "\\u0300-\\u036f\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u0620-\\u0649\\u0672-\\u06d3\\u06e7-\\u06e8\\u06fb-\\u06fc\\u0730-\\u074a\\u0800-\\u0814\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0840-\\u0857\\u08e4-\\u08fe\\u0900-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962-\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09d7\\u09df-\\u09e0\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2-\\u0ae3\\u0ae6-\\u0aef\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b5f-\\u0b60\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c01-\\u0c03\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62-\\u0c63\\u0c66-\\u0c6f\\u0c82\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2-\\u0ce3\\u0ce6-\\u0cef\\u0d02\\u0d03\\u0d46-\\u0d48\\u0d57\\u0d62-\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0e34-\\u0e3a\\u0e40-\\u0e45\\u0e50-\\u0e59\\u0eb4-\\u0eb9\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f41-\\u0f47\\u0f71-\\u0f84\\u0f86-\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u1000-\\u1029\\u1040-\\u1049\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u170e-\\u1710\\u1720-\\u1730\\u1740-\\u1750\\u1772\\u1773\\u1780-\\u17b2\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u1920-\\u192b\\u1930-\\u193b\\u1951-\\u196d\\u19b0-\\u19c0\\u19c8-\\u19c9\\u19d0-\\u19d9\\u1a00-\\u1a15\\u1a20-\\u1a53\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1b46-\\u1b4b\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c00-\\u1c22\\u1c40-\\u1c49\\u1c5b-\\u1c7d\\u1cd0-\\u1cd2\\u1d00-\\u1dbe\\u1e01-\\u1f15\\u200c\\u200d\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2d81-\\u2d96\\u2de0-\\u2dff\\u3021-\\u3028\\u3099\\u309a\\ua640-\\ua66d\\ua674-\\ua67d\\ua69f\\ua6f0-\\ua6f1\\ua7f8-\\ua800\\ua806\\ua80b\\ua823-\\ua827\\ua880-\\ua881\\ua8b4-\\ua8c4\\ua8d0-\\ua8d9\\ua8f3-\\ua8f7\\ua900-\\ua909\\ua926-\\ua92d\\ua930-\\ua945\\ua980-\\ua983\\ua9b3-\\ua9c0\\uaa00-\\uaa27\\uaa40-\\uaa41\\uaa4c-\\uaa4d\\uaa50-\\uaa59\\uaa7b\\uaae0-\\uaae9\\uaaf2-\\uaaf3\\uabc0-\\uabe1\\uabec\\uabed\\uabf0-\\uabf9\\ufb20-\\ufb28\\ufe00-\\ufe0f\\ufe20-\\ufe26\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f";
//var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
//var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");

var identifierStart = "(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierStartChars + nonASCIIidentifierStartChars + "])";
var identifierChars = "(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])*";

exports.identifier = new RegExp(identifierStart + identifierChars, 'g');
exports.identifierStart = new RegExp(identifierStart);
exports.identifierMatch = new RegExp("(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])+");

// Whether a single character denotes a newline.

exports.newline = /[\n\r\u2028\u2029]/;

// Matches a whole line break (where CRLF is considered a single
// line break). Used to count lines.

// in javascript, these two differ
// in python they are the same, different methods are called on them
exports.lineBreak = new RegExp('\r\n|' + exports.newline.source);
exports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g');
});

/*jshint node:true */

function Options(options, merge_child_field) {
  this.raw_options = _mergeOpts(options, merge_child_field);

  // Support passing the source text back with no change
  this.disabled = this._get_boolean('disabled');

  this.eol = this._get_characters('eol', 'auto');
  this.end_with_newline = this._get_boolean('end_with_newline');
  this.indent_size = this._get_number('indent_size', 4);
  this.indent_char = this._get_characters('indent_char', ' ');
  this.indent_level = this._get_number('indent_level');

  this.preserve_newlines = this._get_boolean('preserve_newlines', true);
  this.max_preserve_newlines = this._get_number('max_preserve_newlines', 32786);
  if (!this.preserve_newlines) {
    this.max_preserve_newlines = 0;
  }

  this.indent_with_tabs = this._get_boolean('indent_with_tabs', this.indent_char === '\t');
  if (this.indent_with_tabs) {
    this.indent_char = '\t';

    // indent_size behavior changed after 1.8.6
    // It used to be that indent_size would be
    // set to 1 for indent_with_tabs. That is no longer needed and
    // actually doesn't make sense - why not use spaces? Further,
    // that might produce unexpected behavior - tabs being used
    // for single-column alignment. So, when indent_with_tabs is true
    // and indent_size is 1, reset indent_size to 4.
    if (this.indent_size === 1) {
      this.indent_size = 4;
    }
  }

  // Backwards compat with 1.3.x
  this.wrap_line_length = this._get_number('wrap_line_length', this._get_number('max_char'));

  this.indent_empty_lines = this._get_boolean('indent_empty_lines');

  // valid templating languages ['django', 'erb', 'handlebars', 'php']
  // For now, 'auto' = all off for javascript, all on for html (and inline javascript).
  // other values ignored
  this.templating = this._get_selection_list('templating', ['auto', 'none', 'django', 'erb', 'handlebars', 'php'], ['auto']);
}

Options.prototype._get_array = function(name, default_value) {
  var option_value = this.raw_options[name];
  var result = default_value || [];
  if (typeof option_value === 'object') {
    if (option_value !== null && typeof option_value.concat === 'function') {
      result = option_value.concat();
    }
  } else if (typeof option_value === 'string') {
    result = option_value.split(/[^a-zA-Z0-9_\/\-]+/);
  }
  return result;
};

Options.prototype._get_boolean = function(name, default_value) {
  var option_value = this.raw_options[name];
  var result = option_value === undefined ? !!default_value : !!option_value;
  return result;
};

Options.prototype._get_characters = function(name, default_value) {
  var option_value = this.raw_options[name];
  var result = default_value || '';
  if (typeof option_value === 'string') {
    result = option_value.replace(/\\r/, '\r').replace(/\\n/, '\n').replace(/\\t/, '\t');
  }
  return result;
};

Options.prototype._get_number = function(name, default_value) {
  var option_value = this.raw_options[name];
  default_value = parseInt(default_value, 10);
  if (isNaN(default_value)) {
    default_value = 0;
  }
  var result = parseInt(option_value, 10);
  if (isNaN(result)) {
    result = default_value;
  }
  return result;
};

Options.prototype._get_selection = function(name, selection_list, default_value) {
  var result = this._get_selection_list(name, selection_list, default_value);
  if (result.length !== 1) {
    throw new Error(
      "Invalid Option Value: The option '" + name + "' can only be one of the following values:\n" +
      selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
  }

  return result[0];
};


Options.prototype._get_selection_list = function(name, selection_list, default_value) {
  if (!selection_list || selection_list.length === 0) {
    throw new Error("Selection list cannot be empty.");
  }

  default_value = default_value || [selection_list[0]];
  if (!this._is_valid_selection(default_value, selection_list)) {
    throw new Error("Invalid Default Value!");
  }

  var result = this._get_array(name, default_value);
  if (!this._is_valid_selection(result, selection_list)) {
    throw new Error(
      "Invalid Option Value: The option '" + name + "' can contain only the following values:\n" +
      selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
  }

  return result;
};

Options.prototype._is_valid_selection = function(result, selection_list) {
  return result.length && selection_list.length &&
    !result.some(function(item) { return selection_list.indexOf(item) === -1; });
};


// merges child options up with the parent options object
// Example: obj = {a: 1, b: {a: 2}}
//          mergeOpts(obj, 'b')
//
//          Returns: {a: 2}
function _mergeOpts(allOptions, childFieldName) {
  var finalOpts = {};
  allOptions = _normalizeOpts(allOptions);
  var name;

  for (name in allOptions) {
    if (name !== childFieldName) {
      finalOpts[name] = allOptions[name];
    }
  }

  //merge in the per type settings for the childFieldName
  if (childFieldName && allOptions[childFieldName]) {
    for (name in allOptions[childFieldName]) {
      finalOpts[name] = allOptions[childFieldName][name];
    }
  }
  return finalOpts;
}

function _normalizeOpts(options) {
  var convertedOpts = {};
  var key;

  for (key in options) {
    var newKey = key.replace(/-/g, "_");
    convertedOpts[newKey] = options[key];
  }
  return convertedOpts;
}

var Options_1 = Options;
var normalizeOpts = _normalizeOpts;
var mergeOpts = _mergeOpts;

var options = {
	Options: Options_1,
	normalizeOpts: normalizeOpts,
	mergeOpts: mergeOpts
};

var BaseOptions = options.Options;

var validPositionValues = ['before-newline', 'after-newline', 'preserve-newline'];

function Options$1(options) {
  BaseOptions.call(this, options, 'js');

  // compatibility, re
  var raw_brace_style = this.raw_options.brace_style || null;
  if (raw_brace_style === "expand-strict") { //graceful handling of deprecated option
    this.raw_options.brace_style = "expand";
  } else if (raw_brace_style === "collapse-preserve-inline") { //graceful handling of deprecated option
    this.raw_options.brace_style = "collapse,preserve-inline";
  } else if (this.raw_options.braces_on_own_line !== undefined) { //graceful handling of deprecated option
    this.raw_options.brace_style = this.raw_options.braces_on_own_line ? "expand" : "collapse";
    // } else if (!raw_brace_style) { //Nothing exists to set it
    //   raw_brace_style = "collapse";
  }

  //preserve-inline in delimited string will trigger brace_preserve_inline, everything
  //else is considered a brace_style and the last one only will have an effect

  var brace_style_split = this._get_selection_list('brace_style', ['collapse', 'expand', 'end-expand', 'none', 'preserve-inline']);

  this.brace_preserve_inline = false; //Defaults in case one or other was not specified in meta-option
  this.brace_style = "collapse";

  for (var bs = 0; bs < brace_style_split.length; bs++) {
    if (brace_style_split[bs] === "preserve-inline") {
      this.brace_preserve_inline = true;
    } else {
      this.brace_style = brace_style_split[bs];
    }
  }

  this.unindent_chained_methods = this._get_boolean('unindent_chained_methods');
  this.break_chained_methods = this._get_boolean('break_chained_methods');
  this.space_in_paren = this._get_boolean('space_in_paren');
  this.space_in_empty_paren = this._get_boolean('space_in_empty_paren');
  this.jslint_happy = this._get_boolean('jslint_happy');
  this.space_after_anon_function = this._get_boolean('space_after_anon_function');
  this.space_after_named_function = this._get_boolean('space_after_named_function');
  this.keep_array_indentation = this._get_boolean('keep_array_indentation');
  this.space_before_conditional = this._get_boolean('space_before_conditional', true);
  this.unescape_strings = this._get_boolean('unescape_strings');
  this.e4x = this._get_boolean('e4x');
  this.comma_first = this._get_boolean('comma_first');
  this.operator_position = this._get_selection('operator_position', validPositionValues);

  // For testing of beautify preserve:start directive
  this.test_output_raw = this._get_boolean('test_output_raw');

  // force this._options.space_after_anon_function to true if this._options.jslint_happy
  if (this.jslint_happy) {
    this.space_after_anon_function = true;
  }

}
Options$1.prototype = new BaseOptions();



var Options_1$1 = Options$1;

var options$1 = {
	Options: Options_1$1
};

/*jshint node:true */

var regexp_has_sticky = RegExp.prototype.hasOwnProperty('sticky');

function InputScanner(input_string) {
  this.__input = input_string || '';
  this.__input_length = this.__input.length;
  this.__position = 0;
}

InputScanner.prototype.restart = function() {
  this.__position = 0;
};

InputScanner.prototype.back = function() {
  if (this.__position > 0) {
    this.__position -= 1;
  }
};

InputScanner.prototype.hasNext = function() {
  return this.__position < this.__input_length;
};

InputScanner.prototype.next = function() {
  var val = null;
  if (this.hasNext()) {
    val = this.__input.charAt(this.__position);
    this.__position += 1;
  }
  return val;
};

InputScanner.prototype.peek = function(index) {
  var val = null;
  index = index || 0;
  index += this.__position;
  if (index >= 0 && index < this.__input_length) {
    val = this.__input.charAt(index);
  }
  return val;
};

// This is a JavaScript only helper function (not in python)
// Javascript doesn't have a match method
// and not all implementation support "sticky" flag.
// If they do not support sticky then both this.match() and this.test() method
// must get the match and check the index of the match.
// If sticky is supported and set, this method will use it.
// Otherwise it will check that global is set, and fall back to the slower method.
InputScanner.prototype.__match = function(pattern, index) {
  pattern.lastIndex = index;
  var pattern_match = pattern.exec(this.__input);

  if (pattern_match && !(regexp_has_sticky && pattern.sticky)) {
    if (pattern_match.index !== index) {
      pattern_match = null;
    }
  }

  return pattern_match;
};

InputScanner.prototype.test = function(pattern, index) {
  index = index || 0;
  index += this.__position;

  if (index >= 0 && index < this.__input_length) {
    return !!this.__match(pattern, index);
  } else {
    return false;
  }
};

InputScanner.prototype.testChar = function(pattern, index) {
  // test one character regex match
  var val = this.peek(index);
  pattern.lastIndex = 0;
  return val !== null && pattern.test(val);
};

InputScanner.prototype.match = function(pattern) {
  var pattern_match = this.__match(pattern, this.__position);
  if (pattern_match) {
    this.__position += pattern_match[0].length;
  } else {
    pattern_match = null;
  }
  return pattern_match;
};

InputScanner.prototype.read = function(starting_pattern, until_pattern, until_after) {
  var val = '';
  var match;
  if (starting_pattern) {
    match = this.match(starting_pattern);
    if (match) {
      val += match[0];
    }
  }
  if (until_pattern && (match || !starting_pattern)) {
    val += this.readUntil(until_pattern, until_after);
  }
  return val;
};

InputScanner.prototype.readUntil = function(pattern, until_after) {
  var val = '';
  var match_index = this.__position;
  pattern.lastIndex = this.__position;
  var pattern_match = pattern.exec(this.__input);
  if (pattern_match) {
    match_index = pattern_match.index;
    if (until_after) {
      match_index += pattern_match[0].length;
    }
  } else {
    match_index = this.__input_length;
  }

  val = this.__input.substring(this.__position, match_index);
  this.__position = match_index;
  return val;
};

InputScanner.prototype.readUntilAfter = function(pattern) {
  return this.readUntil(pattern, true);
};

InputScanner.prototype.get_regexp = function(pattern, match_from) {
  var result = null;
  var flags = 'g';
  if (match_from && regexp_has_sticky) {
    flags = 'y';
  }
  // strings are converted to regexp
  if (typeof pattern === "string" && pattern !== '') {
    // result = new RegExp(pattern.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), flags);
    result = new RegExp(pattern, flags);
  } else if (pattern) {
    result = new RegExp(pattern.source, flags);
  }
  return result;
};

InputScanner.prototype.get_literal_regexp = function(literal_string) {
  return RegExp(literal_string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'));
};

/* css beautifier legacy helpers */
InputScanner.prototype.peekUntilAfter = function(pattern) {
  var start = this.__position;
  var val = this.readUntilAfter(pattern);
  this.__position = start;
  return val;
};

InputScanner.prototype.lookBack = function(testVal) {
  var start = this.__position - 1;
  return start >= testVal.length && this.__input.substring(start - testVal.length, start)
    .toLowerCase() === testVal;
};

var InputScanner_1 = InputScanner;

var inputscanner = {
	InputScanner: InputScanner_1
};

/*jshint node:true */

function TokenStream(parent_token) {
  // private
  this.__tokens = [];
  this.__tokens_length = this.__tokens.length;
  this.__position = 0;
  this.__parent_token = parent_token;
}

TokenStream.prototype.restart = function() {
  this.__position = 0;
};

TokenStream.prototype.isEmpty = function() {
  return this.__tokens_length === 0;
};

TokenStream.prototype.hasNext = function() {
  return this.__position < this.__tokens_length;
};

TokenStream.prototype.next = function() {
  var val = null;
  if (this.hasNext()) {
    val = this.__tokens[this.__position];
    this.__position += 1;
  }
  return val;
};

TokenStream.prototype.peek = function(index) {
  var val = null;
  index = index || 0;
  index += this.__position;
  if (index >= 0 && index < this.__tokens_length) {
    val = this.__tokens[index];
  }
  return val;
};

TokenStream.prototype.add = function(token) {
  if (this.__parent_token) {
    token.parent = this.__parent_token;
  }
  this.__tokens.push(token);
  this.__tokens_length += 1;
};

var TokenStream_1 = TokenStream;

var tokenstream = {
	TokenStream: TokenStream_1
};

/*jshint node:true */

function Pattern(input_scanner, parent) {
  this._input = input_scanner;
  this._starting_pattern = null;
  this._match_pattern = null;
  this._until_pattern = null;
  this._until_after = false;

  if (parent) {
    this._starting_pattern = this._input.get_regexp(parent._starting_pattern, true);
    this._match_pattern = this._input.get_regexp(parent._match_pattern, true);
    this._until_pattern = this._input.get_regexp(parent._until_pattern);
    this._until_after = parent._until_after;
  }
}

Pattern.prototype.read = function() {
  var result = this._input.read(this._starting_pattern);
  if (!this._starting_pattern || result) {
    result += this._input.read(this._match_pattern, this._until_pattern, this._until_after);
  }
  return result;
};

Pattern.prototype.read_match = function() {
  return this._input.match(this._match_pattern);
};

Pattern.prototype.until_after = function(pattern) {
  var result = this._create();
  result._until_after = true;
  result._until_pattern = this._input.get_regexp(pattern);
  result._update();
  return result;
};

Pattern.prototype.until = function(pattern) {
  var result = this._create();
  result._until_after = false;
  result._until_pattern = this._input.get_regexp(pattern);
  result._update();
  return result;
};

Pattern.prototype.starting_with = function(pattern) {
  var result = this._create();
  result._starting_pattern = this._input.get_regexp(pattern, true);
  result._update();
  return result;
};

Pattern.prototype.matching = function(pattern) {
  var result = this._create();
  result._match_pattern = this._input.get_regexp(pattern, true);
  result._update();
  return result;
};

Pattern.prototype._create = function() {
  return new Pattern(this._input, this);
};

Pattern.prototype._update = function() {};

var Pattern_1 = Pattern;

var pattern = {
	Pattern: Pattern_1
};

var Pattern$1 = pattern.Pattern;

function WhitespacePattern(input_scanner, parent) {
  Pattern$1.call(this, input_scanner, parent);
  if (parent) {
    this._line_regexp = this._input.get_regexp(parent._line_regexp);
  } else {
    this.__set_whitespace_patterns('', '');
  }

  this.newline_count = 0;
  this.whitespace_before_token = '';
}
WhitespacePattern.prototype = new Pattern$1();

WhitespacePattern.prototype.__set_whitespace_patterns = function(whitespace_chars, newline_chars) {
  whitespace_chars += '\\t ';
  newline_chars += '\\n\\r';

  this._match_pattern = this._input.get_regexp(
    '[' + whitespace_chars + newline_chars + ']+', true);
  this._newline_regexp = this._input.get_regexp(
    '\\r\\n|[' + newline_chars + ']');
};

WhitespacePattern.prototype.read = function() {
  this.newline_count = 0;
  this.whitespace_before_token = '';

  var resulting_string = this._input.read(this._match_pattern);
  if (resulting_string === ' ') {
    this.whitespace_before_token = ' ';
  } else if (resulting_string) {
    var matches = this.__split(this._newline_regexp, resulting_string);
    this.newline_count = matches.length - 1;
    this.whitespace_before_token = matches[this.newline_count];
  }

  return resulting_string;
};

WhitespacePattern.prototype.matching = function(whitespace_chars, newline_chars) {
  var result = this._create();
  result.__set_whitespace_patterns(whitespace_chars, newline_chars);
  result._update();
  return result;
};

WhitespacePattern.prototype._create = function() {
  return new WhitespacePattern(this._input, this);
};

WhitespacePattern.prototype.__split = function(regexp, input_string) {
  regexp.lastIndex = 0;
  var start_index = 0;
  var result = [];
  var next_match = regexp.exec(input_string);
  while (next_match) {
    result.push(input_string.substring(start_index, next_match.index));
    start_index = next_match.index + next_match[0].length;
    next_match = regexp.exec(input_string);
  }

  if (start_index < input_string.length) {
    result.push(input_string.substring(start_index, input_string.length));
  } else {
    result.push('');
  }

  return result;
};



var WhitespacePattern_1 = WhitespacePattern;

var whitespacepattern = {
	WhitespacePattern: WhitespacePattern_1
};

var InputScanner$1 = inputscanner.InputScanner;
var Token$1 = token.Token;
var TokenStream$1 = tokenstream.TokenStream;
var WhitespacePattern$1 = whitespacepattern.WhitespacePattern;

var TOKEN = {
  START: 'TK_START',
  RAW: 'TK_RAW',
  EOF: 'TK_EOF'
};

var Tokenizer = function(input_string, options) {
  this._input = new InputScanner$1(input_string);
  this._options = options || {};
  this.__tokens = null;

  this._patterns = {};
  this._patterns.whitespace = new WhitespacePattern$1(this._input);
};

Tokenizer.prototype.tokenize = function() {
  this._input.restart();
  this.__tokens = new TokenStream$1();

  this._reset();

  var current;
  var previous = new Token$1(TOKEN.START, '');
  var open_token = null;
  var open_stack = [];
  var comments = new TokenStream$1();

  while (previous.type !== TOKEN.EOF) {
    current = this._get_next_token(previous, open_token);
    while (this._is_comment(current)) {
      comments.add(current);
      current = this._get_next_token(previous, open_token);
    }

    if (!comments.isEmpty()) {
      current.comments_before = comments;
      comments = new TokenStream$1();
    }

    current.parent = open_token;

    if (this._is_opening(current)) {
      open_stack.push(open_token);
      open_token = current;
    } else if (open_token && this._is_closing(current, open_token)) {
      current.opened = open_token;
      open_token.closed = current;
      open_token = open_stack.pop();
      current.parent = open_token;
    }

    current.previous = previous;
    previous.next = current;

    this.__tokens.add(current);
    previous = current;
  }

  return this.__tokens;
};


Tokenizer.prototype._is_first_token = function() {
  return this.__tokens.isEmpty();
};

Tokenizer.prototype._reset = function() {};

Tokenizer.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
  this._readWhitespace();
  var resulting_string = this._input.read(/.+/g);
  if (resulting_string) {
    return this._create_token(TOKEN.RAW, resulting_string);
  } else {
    return this._create_token(TOKEN.EOF, '');
  }
};

Tokenizer.prototype._is_comment = function(current_token) { // jshint unused:false
  return false;
};

Tokenizer.prototype._is_opening = function(current_token) { // jshint unused:false
  return false;
};

Tokenizer.prototype._is_closing = function(current_token, open_token) { // jshint unused:false
  return false;
};

Tokenizer.prototype._create_token = function(type, text) {
  var token = new Token$1(type, text,
    this._patterns.whitespace.newline_count,
    this._patterns.whitespace.whitespace_before_token);
  return token;
};

Tokenizer.prototype._readWhitespace = function() {
  return this._patterns.whitespace.read();
};



var Tokenizer_1 = Tokenizer;
var TOKEN_1 = TOKEN;

var tokenizer = {
	Tokenizer: Tokenizer_1,
	TOKEN: TOKEN_1
};

/*jshint node:true */

function Directives(start_block_pattern, end_block_pattern) {
  start_block_pattern = typeof start_block_pattern === 'string' ? start_block_pattern : start_block_pattern.source;
  end_block_pattern = typeof end_block_pattern === 'string' ? end_block_pattern : end_block_pattern.source;
  this.__directives_block_pattern = new RegExp(start_block_pattern + / beautify( \w+[:]\w+)+ /.source + end_block_pattern, 'g');
  this.__directive_pattern = / (\w+)[:](\w+)/g;

  this.__directives_end_ignore_pattern = new RegExp(start_block_pattern + /\sbeautify\signore:end\s/.source + end_block_pattern, 'g');
}

Directives.prototype.get_directives = function(text) {
  if (!text.match(this.__directives_block_pattern)) {
    return null;
  }

  var directives = {};
  this.__directive_pattern.lastIndex = 0;
  var directive_match = this.__directive_pattern.exec(text);

  while (directive_match) {
    directives[directive_match[1]] = directive_match[2];
    directive_match = this.__directive_pattern.exec(text);
  }

  return directives;
};

Directives.prototype.readIgnored = function(input) {
  return input.readUntilAfter(this.__directives_end_ignore_pattern);
};


var Directives_1 = Directives;

var directives = {
	Directives: Directives_1
};

var Pattern$2 = pattern.Pattern;


var template_names = {
  django: false,
  erb: false,
  handlebars: false,
  php: false
};

// This lets templates appear anywhere we would do a readUntil
// The cost is higher but it is pay to play.
function TemplatablePattern(input_scanner, parent) {
  Pattern$2.call(this, input_scanner, parent);
  this.__template_pattern = null;
  this._disabled = Object.assign({}, template_names);
  this._excluded = Object.assign({}, template_names);

  if (parent) {
    this.__template_pattern = this._input.get_regexp(parent.__template_pattern);
    this._excluded = Object.assign(this._excluded, parent._excluded);
    this._disabled = Object.assign(this._disabled, parent._disabled);
  }
  var pattern = new Pattern$2(input_scanner);
  this.__patterns = {
    handlebars_comment: pattern.starting_with(/{{!--/).until_after(/--}}/),
    handlebars: pattern.starting_with(/{{/).until_after(/}}/),
    php: pattern.starting_with(/<\?(?:[=]|php)/).until_after(/\?>/),
    erb: pattern.starting_with(/<%[^%]/).until_after(/[^%]%>/),
    // django coflicts with handlebars a bit.
    django: pattern.starting_with(/{%/).until_after(/%}/),
    django_value: pattern.starting_with(/{{/).until_after(/}}/),
    django_comment: pattern.starting_with(/{#/).until_after(/#}/)
  };
}
TemplatablePattern.prototype = new Pattern$2();

TemplatablePattern.prototype._create = function() {
  return new TemplatablePattern(this._input, this);
};

TemplatablePattern.prototype._update = function() {
  this.__set_templated_pattern();
};

TemplatablePattern.prototype.disable = function(language) {
  var result = this._create();
  result._disabled[language] = true;
  result._update();
  return result;
};

TemplatablePattern.prototype.read_options = function(options) {
  var result = this._create();
  for (var language in template_names) {
    result._disabled[language] = options.templating.indexOf(language) === -1;
  }
  result._update();
  return result;
};

TemplatablePattern.prototype.exclude = function(language) {
  var result = this._create();
  result._excluded[language] = true;
  result._update();
  return result;
};

TemplatablePattern.prototype.read = function() {
  var result = '';
  if (this._match_pattern) {
    result = this._input.read(this._starting_pattern);
  } else {
    result = this._input.read(this._starting_pattern, this.__template_pattern);
  }
  var next = this._read_template();
  while (next) {
    if (this._match_pattern) {
      next += this._input.read(this._match_pattern);
    } else {
      next += this._input.readUntil(this.__template_pattern);
    }
    result += next;
    next = this._read_template();
  }

  if (this._until_after) {
    result += this._input.readUntilAfter(this._until_pattern);
  }
  return result;
};

TemplatablePattern.prototype.__set_templated_pattern = function() {
  var items = [];

  if (!this._disabled.php) {
    items.push(this.__patterns.php._starting_pattern.source);
  }
  if (!this._disabled.handlebars) {
    items.push(this.__patterns.handlebars._starting_pattern.source);
  }
  if (!this._disabled.erb) {
    items.push(this.__patterns.erb._starting_pattern.source);
  }
  if (!this._disabled.django) {
    items.push(this.__patterns.django._starting_pattern.source);
    items.push(this.__patterns.django_value._starting_pattern.source);
    items.push(this.__patterns.django_comment._starting_pattern.source);
  }

  if (this._until_pattern) {
    items.push(this._until_pattern.source);
  }
  this.__template_pattern = this._input.get_regexp('(?:' + items.join('|') + ')');
};

TemplatablePattern.prototype._read_template = function() {
  var resulting_string = '';
  var c = this._input.peek();
  if (c === '<') {
    var peek1 = this._input.peek(1);
    //if we're in a comment, do something special
    // We treat all comments as literals, even more than preformatted tags
    // we just look for the appropriate close tag
    if (!this._disabled.php && !this._excluded.php && peek1 === '?') {
      resulting_string = resulting_string ||
        this.__patterns.php.read();
    }
    if (!this._disabled.erb && !this._excluded.erb && peek1 === '%') {
      resulting_string = resulting_string ||
        this.__patterns.erb.read();
    }
  } else if (c === '{') {
    if (!this._disabled.handlebars && !this._excluded.handlebars) {
      resulting_string = resulting_string ||
        this.__patterns.handlebars_comment.read();
      resulting_string = resulting_string ||
        this.__patterns.handlebars.read();
    }
    if (!this._disabled.django) {
      // django coflicts with handlebars a bit.
      if (!this._excluded.django && !this._excluded.handlebars) {
        resulting_string = resulting_string ||
          this.__patterns.django_value.read();
      }
      if (!this._excluded.django) {
        resulting_string = resulting_string ||
          this.__patterns.django_comment.read();
        resulting_string = resulting_string ||
          this.__patterns.django.read();
      }
    }
  }
  return resulting_string;
};


var TemplatablePattern_1 = TemplatablePattern;

var templatablepattern = {
	TemplatablePattern: TemplatablePattern_1
};

var InputScanner$2 = inputscanner.InputScanner;
var BaseTokenizer = tokenizer.Tokenizer;
var BASETOKEN = tokenizer.TOKEN;
var Directives$1 = directives.Directives;

var Pattern$3 = pattern.Pattern;
var TemplatablePattern$1 = templatablepattern.TemplatablePattern;


function in_array(what, arr) {
  return arr.indexOf(what) !== -1;
}


var TOKEN$1 = {
  START_EXPR: 'TK_START_EXPR',
  END_EXPR: 'TK_END_EXPR',
  START_BLOCK: 'TK_START_BLOCK',
  END_BLOCK: 'TK_END_BLOCK',
  WORD: 'TK_WORD',
  RESERVED: 'TK_RESERVED',
  SEMICOLON: 'TK_SEMICOLON',
  STRING: 'TK_STRING',
  EQUALS: 'TK_EQUALS',
  OPERATOR: 'TK_OPERATOR',
  COMMA: 'TK_COMMA',
  BLOCK_COMMENT: 'TK_BLOCK_COMMENT',
  COMMENT: 'TK_COMMENT',
  DOT: 'TK_DOT',
  UNKNOWN: 'TK_UNKNOWN',
  START: BASETOKEN.START,
  RAW: BASETOKEN.RAW,
  EOF: BASETOKEN.EOF
};


var directives_core = new Directives$1(/\/\*/, /\*\//);

var number_pattern = /0[xX][0123456789abcdefABCDEF]*|0[oO][01234567]*|0[bB][01]*|\d+n|(?:\.\d+|\d+\.?\d*)(?:[eE][+-]?\d+)?/;

var digit = /[0-9]/;

// Dot "." must be distinguished from "..." and decimal
var dot_pattern = /[^\d\.]/;

var positionable_operators = (
  ">>> === !== " +
  "<< && >= ** != == <= >> || " +
  "< / - + > : & % ? ^ | *").split(' ');

// IMPORTANT: this must be sorted longest to shortest or tokenizing many not work.
// Also, you must update possitionable operators separately from punct
var punct =
  ">>>= " +
  "... >>= <<= === >>> !== **= " +
  "=> ^= :: /= << <= == && -= >= >> != -- += ** || ++ %= &= *= |= " +
  "= ! ? > < : / ^ - + * & % ~ |";

punct = punct.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&");
punct = punct.replace(/ /g, '|');

var punct_pattern = new RegExp(punct);

// words which should always start on new line.
var line_starters = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export'.split(',');
var reserved_words = line_starters.concat(['do', 'in', 'of', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof', 'yield', 'async', 'await', 'from', 'as']);
var reserved_word_pattern = new RegExp('^(?:' + reserved_words.join('|') + ')$');

// var template_pattern = /(?:(?:<\?php|<\?=)[\s\S]*?\?>)|(?:<%[\s\S]*?%>)/g;

var in_html_comment;

var Tokenizer$1 = function(input_string, options) {
  BaseTokenizer.call(this, input_string, options);

  this._patterns.whitespace = this._patterns.whitespace.matching(
    /\u00A0\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff/.source,
    /\u2028\u2029/.source);

  var pattern_reader = new Pattern$3(this._input);
  var templatable = new TemplatablePattern$1(this._input)
    .read_options(this._options);

  this.__patterns = {
    template: templatable,
    identifier: templatable.starting_with(acorn.identifier).matching(acorn.identifierMatch),
    number: pattern_reader.matching(number_pattern),
    punct: pattern_reader.matching(punct_pattern),
    // comment ends just before nearest linefeed or end of file
    comment: pattern_reader.starting_with(/\/\//).until(/[\n\r\u2028\u2029]/),
    //  /* ... */ comment ends with nearest */ or end of file
    block_comment: pattern_reader.starting_with(/\/\*/).until_after(/\*\//),
    html_comment_start: pattern_reader.matching(/<!--/),
    html_comment_end: pattern_reader.matching(/-->/),
    include: pattern_reader.starting_with(/#include/).until_after(acorn.lineBreak),
    shebang: pattern_reader.starting_with(/#!/).until_after(acorn.lineBreak),
    xml: pattern_reader.matching(/[\s\S]*?<(\/?)([-a-zA-Z:0-9_.]+|{[\s\S]+?}|!\[CDATA\[[\s\S]*?\]\])(\s+{[\s\S]+?}|\s+[-a-zA-Z:0-9_.]+|\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{[\s\S]+?}))*\s*(\/?)\s*>/),
    single_quote: templatable.until(/['\\\n\r\u2028\u2029]/),
    double_quote: templatable.until(/["\\\n\r\u2028\u2029]/),
    template_text: templatable.until(/[`\\$]/),
    template_expression: templatable.until(/[`}\\]/)
  };

};
Tokenizer$1.prototype = new BaseTokenizer();

Tokenizer$1.prototype._is_comment = function(current_token) {
  return current_token.type === TOKEN$1.COMMENT || current_token.type === TOKEN$1.BLOCK_COMMENT || current_token.type === TOKEN$1.UNKNOWN;
};

Tokenizer$1.prototype._is_opening = function(current_token) {
  return current_token.type === TOKEN$1.START_BLOCK || current_token.type === TOKEN$1.START_EXPR;
};

Tokenizer$1.prototype._is_closing = function(current_token, open_token) {
  return (current_token.type === TOKEN$1.END_BLOCK || current_token.type === TOKEN$1.END_EXPR) &&
    (open_token && (
      (current_token.text === ']' && open_token.text === '[') ||
      (current_token.text === ')' && open_token.text === '(') ||
      (current_token.text === '}' && open_token.text === '{')));
};

Tokenizer$1.prototype._reset = function() {
  in_html_comment = false;
};

Tokenizer$1.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
  var token = null;
  this._readWhitespace();
  var c = this._input.peek();

  if (c === null) {
    return this._create_token(TOKEN$1.EOF, '');
  }

  token = token || this._read_string(c);
  token = token || this._read_word(previous_token);
  token = token || this._read_singles(c);
  token = token || this._read_comment(c);
  token = token || this._read_regexp(c, previous_token);
  token = token || this._read_xml(c, previous_token);
  token = token || this._read_non_javascript(c);
  token = token || this._read_punctuation();
  token = token || this._create_token(TOKEN$1.UNKNOWN, this._input.next());

  return token;
};

Tokenizer$1.prototype._read_word = function(previous_token) {
  var resulting_string;
  resulting_string = this.__patterns.identifier.read();
  if (resulting_string !== '') {
    resulting_string = resulting_string.replace(acorn.allLineBreaks, '\n');
    if (!(previous_token.type === TOKEN$1.DOT ||
        (previous_token.type === TOKEN$1.RESERVED && (previous_token.text === 'set' || previous_token.text === 'get'))) &&
      reserved_word_pattern.test(resulting_string)) {
      if (resulting_string === 'in' || resulting_string === 'of') { // hack for 'in' and 'of' operators
        return this._create_token(TOKEN$1.OPERATOR, resulting_string);
      }
      return this._create_token(TOKEN$1.RESERVED, resulting_string);
    }
    return this._create_token(TOKEN$1.WORD, resulting_string);
  }

  resulting_string = this.__patterns.number.read();
  if (resulting_string !== '') {
    return this._create_token(TOKEN$1.WORD, resulting_string);
  }
};

Tokenizer$1.prototype._read_singles = function(c) {
  var token = null;
  if (c === '(' || c === '[') {
    token = this._create_token(TOKEN$1.START_EXPR, c);
  } else if (c === ')' || c === ']') {
    token = this._create_token(TOKEN$1.END_EXPR, c);
  } else if (c === '{') {
    token = this._create_token(TOKEN$1.START_BLOCK, c);
  } else if (c === '}') {
    token = this._create_token(TOKEN$1.END_BLOCK, c);
  } else if (c === ';') {
    token = this._create_token(TOKEN$1.SEMICOLON, c);
  } else if (c === '.' && dot_pattern.test(this._input.peek(1))) {
    token = this._create_token(TOKEN$1.DOT, c);
  } else if (c === ',') {
    token = this._create_token(TOKEN$1.COMMA, c);
  }

  if (token) {
    this._input.next();
  }
  return token;
};

Tokenizer$1.prototype._read_punctuation = function() {
  var resulting_string = this.__patterns.punct.read();

  if (resulting_string !== '') {
    if (resulting_string === '=') {
      return this._create_token(TOKEN$1.EQUALS, resulting_string);
    } else {
      return this._create_token(TOKEN$1.OPERATOR, resulting_string);
    }
  }
};

Tokenizer$1.prototype._read_non_javascript = function(c) {
  var resulting_string = '';

  if (c === '#') {
    if (this._is_first_token()) {
      resulting_string = this.__patterns.shebang.read();

      if (resulting_string) {
        return this._create_token(TOKEN$1.UNKNOWN, resulting_string.trim() + '\n');
      }
    }

    // handles extendscript #includes
    resulting_string = this.__patterns.include.read();

    if (resulting_string) {
      return this._create_token(TOKEN$1.UNKNOWN, resulting_string.trim() + '\n');
    }

    c = this._input.next();

    // Spidermonkey-specific sharp variables for circular references. Considered obsolete.
    var sharp = '#';
    if (this._input.hasNext() && this._input.testChar(digit)) {
      do {
        c = this._input.next();
        sharp += c;
      } while (this._input.hasNext() && c !== '#' && c !== '=');
      if (c === '#') ; else if (this._input.peek() === '[' && this._input.peek(1) === ']') {
        sharp += '[]';
        this._input.next();
        this._input.next();
      } else if (this._input.peek() === '{' && this._input.peek(1) === '}') {
        sharp += '{}';
        this._input.next();
        this._input.next();
      }
      return this._create_token(TOKEN$1.WORD, sharp);
    }

    this._input.back();

  } else if (c === '<' && this._is_first_token()) {
    resulting_string = this.__patterns.html_comment_start.read();
    if (resulting_string) {
      while (this._input.hasNext() && !this._input.testChar(acorn.newline)) {
        resulting_string += this._input.next();
      }
      in_html_comment = true;
      return this._create_token(TOKEN$1.COMMENT, resulting_string);
    }
  } else if (in_html_comment && c === '-') {
    resulting_string = this.__patterns.html_comment_end.read();
    if (resulting_string) {
      in_html_comment = false;
      return this._create_token(TOKEN$1.COMMENT, resulting_string);
    }
  }

  return null;
};

Tokenizer$1.prototype._read_comment = function(c) {
  var token = null;
  if (c === '/') {
    var comment = '';
    if (this._input.peek(1) === '*') {
      // peek for comment /* ... */
      comment = this.__patterns.block_comment.read();
      var directives = directives_core.get_directives(comment);
      if (directives && directives.ignore === 'start') {
        comment += directives_core.readIgnored(this._input);
      }
      comment = comment.replace(acorn.allLineBreaks, '\n');
      token = this._create_token(TOKEN$1.BLOCK_COMMENT, comment);
      token.directives = directives;
    } else if (this._input.peek(1) === '/') {
      // peek for comment // ...
      comment = this.__patterns.comment.read();
      token = this._create_token(TOKEN$1.COMMENT, comment);
    }
  }
  return token;
};

Tokenizer$1.prototype._read_string = function(c) {
  if (c === '`' || c === "'" || c === '"') {
    var resulting_string = this._input.next();
    this.has_char_escapes = false;

    if (c === '`') {
      resulting_string += this._read_string_recursive('`', true, '${');
    } else {
      resulting_string += this._read_string_recursive(c);
    }

    if (this.has_char_escapes && this._options.unescape_strings) {
      resulting_string = unescape_string(resulting_string);
    }

    if (this._input.peek() === c) {
      resulting_string += this._input.next();
    }

    resulting_string = resulting_string.replace(acorn.allLineBreaks, '\n');

    return this._create_token(TOKEN$1.STRING, resulting_string);
  }

  return null;
};

Tokenizer$1.prototype._allow_regexp_or_xml = function(previous_token) {
  // regex and xml can only appear in specific locations during parsing
  return (previous_token.type === TOKEN$1.RESERVED && in_array(previous_token.text, ['return', 'case', 'throw', 'else', 'do', 'typeof', 'yield'])) ||
    (previous_token.type === TOKEN$1.END_EXPR && previous_token.text === ')' &&
      previous_token.opened.previous.type === TOKEN$1.RESERVED && in_array(previous_token.opened.previous.text, ['if', 'while', 'for'])) ||
    (in_array(previous_token.type, [TOKEN$1.COMMENT, TOKEN$1.START_EXPR, TOKEN$1.START_BLOCK, TOKEN$1.START,
      TOKEN$1.END_BLOCK, TOKEN$1.OPERATOR, TOKEN$1.EQUALS, TOKEN$1.EOF, TOKEN$1.SEMICOLON, TOKEN$1.COMMA
    ]));
};

Tokenizer$1.prototype._read_regexp = function(c, previous_token) {

  if (c === '/' && this._allow_regexp_or_xml(previous_token)) {
    // handle regexp
    //
    var resulting_string = this._input.next();
    var esc = false;

    var in_char_class = false;
    while (this._input.hasNext() &&
      ((esc || in_char_class || this._input.peek() !== c) &&
        !this._input.testChar(acorn.newline))) {
      resulting_string += this._input.peek();
      if (!esc) {
        esc = this._input.peek() === '\\';
        if (this._input.peek() === '[') {
          in_char_class = true;
        } else if (this._input.peek() === ']') {
          in_char_class = false;
        }
      } else {
        esc = false;
      }
      this._input.next();
    }

    if (this._input.peek() === c) {
      resulting_string += this._input.next();

      // regexps may have modifiers /regexp/MOD , so fetch those, too
      // Only [gim] are valid, but if the user puts in garbage, do what we can to take it.
      resulting_string += this._input.read(acorn.identifier);
    }
    return this._create_token(TOKEN$1.STRING, resulting_string);
  }
  return null;
};

Tokenizer$1.prototype._read_xml = function(c, previous_token) {

  if (this._options.e4x && c === "<" && this._allow_regexp_or_xml(previous_token)) {
    var xmlStr = '';
    var match = this.__patterns.xml.read_match();
    // handle e4x xml literals
    //
    if (match) {
      // Trim root tag to attempt to
      var rootTag = match[2].replace(/^{\s+/, '{').replace(/\s+}$/, '}');
      var isCurlyRoot = rootTag.indexOf('{') === 0;
      var depth = 0;
      while (match) {
        var isEndTag = !!match[1];
        var tagName = match[2];
        var isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA[");
        if (!isSingletonTag &&
          (tagName === rootTag || (isCurlyRoot && tagName.replace(/^{\s+/, '{').replace(/\s+}$/, '}')))) {
          if (isEndTag) {
            --depth;
          } else {
            ++depth;
          }
        }
        xmlStr += match[0];
        if (depth <= 0) {
          break;
        }
        match = this.__patterns.xml.read_match();
      }
      // if we didn't close correctly, keep unformatted.
      if (!match) {
        xmlStr += this._input.match(/[\s\S]*/g)[0];
      }
      xmlStr = xmlStr.replace(acorn.allLineBreaks, '\n');
      return this._create_token(TOKEN$1.STRING, xmlStr);
    }
  }

  return null;
};

function unescape_string(s) {
  // You think that a regex would work for this
  // return s.replace(/\\x([0-9a-f]{2})/gi, function(match, val) {
  //         return String.fromCharCode(parseInt(val, 16));
  //     })
  // However, dealing with '\xff', '\\xff', '\\\xff' makes this more fun.
  var out = '',
    escaped = 0;

  var input_scan = new InputScanner$2(s);
  var matched = null;

  while (input_scan.hasNext()) {
    // Keep any whitespace, non-slash characters
    // also keep slash pairs.
    matched = input_scan.match(/([\s]|[^\\]|\\\\)+/g);

    if (matched) {
      out += matched[0];
    }

    if (input_scan.peek() === '\\') {
      input_scan.next();
      if (input_scan.peek() === 'x') {
        matched = input_scan.match(/x([0-9A-Fa-f]{2})/g);
      } else if (input_scan.peek() === 'u') {
        matched = input_scan.match(/u([0-9A-Fa-f]{4})/g);
      } else {
        out += '\\';
        if (input_scan.hasNext()) {
          out += input_scan.next();
        }
        continue;
      }

      // If there's some error decoding, return the original string
      if (!matched) {
        return s;
      }

      escaped = parseInt(matched[1], 16);

      if (escaped > 0x7e && escaped <= 0xff && matched[0].indexOf('x') === 0) {
        // we bail out on \x7f..\xff,
        // leaving whole string escaped,
        // as it's probably completely binary
        return s;
      } else if (escaped >= 0x00 && escaped < 0x20) {
        // leave 0x00...0x1f escaped
        out += '\\' + matched[0];
        continue;
      } else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {
        // single-quote, apostrophe, backslash - escape these
        out += '\\' + String.fromCharCode(escaped);
      } else {
        out += String.fromCharCode(escaped);
      }
    }
  }

  return out;
}

// handle string
//
Tokenizer$1.prototype._read_string_recursive = function(delimiter, allow_unescaped_newlines, start_sub) {
  var current_char;
  var pattern;
  if (delimiter === '\'') {
    pattern = this.__patterns.single_quote;
  } else if (delimiter === '"') {
    pattern = this.__patterns.double_quote;
  } else if (delimiter === '`') {
    pattern = this.__patterns.template_text;
  } else if (delimiter === '}') {
    pattern = this.__patterns.template_expression;
  }

  var resulting_string = pattern.read();
  var next = '';
  while (this._input.hasNext()) {
    next = this._input.next();
    if (next === delimiter ||
      (!allow_unescaped_newlines && acorn.newline.test(next))) {
      this._input.back();
      break;
    } else if (next === '\\' && this._input.hasNext()) {
      current_char = this._input.peek();

      if (current_char === 'x' || current_char === 'u') {
        this.has_char_escapes = true;
      } else if (current_char === '\r' && this._input.peek(1) === '\n') {
        this._input.next();
      }
      next += this._input.next();
    } else if (start_sub) {
      if (start_sub === '${' && next === '$' && this._input.peek() === '{') {
        next += this._input.next();
      }

      if (start_sub === next) {
        if (delimiter === '`') {
          next += this._read_string_recursive('}', allow_unescaped_newlines, '`');
        } else {
          next += this._read_string_recursive('`', allow_unescaped_newlines, '${');
        }
        if (this._input.hasNext()) {
          next += this._input.next();
        }
      }
    }
    next += pattern.read();
    resulting_string += next;
  }

  return resulting_string;
};

var Tokenizer_1$1 = Tokenizer$1;
var TOKEN_1$1 = TOKEN$1;
var positionable_operators_1 = positionable_operators.slice();
var line_starters_1 = line_starters.slice();

var tokenizer$1 = {
	Tokenizer: Tokenizer_1$1,
	TOKEN: TOKEN_1$1,
	positionable_operators: positionable_operators_1,
	line_starters: line_starters_1
};

var Output$1 = output.Output;
var Token$2 = token.Token;

var Options$2 = options$1.Options;
var Tokenizer$2 = tokenizer$1.Tokenizer;
var line_starters$1 = tokenizer$1.line_starters;
var positionable_operators$1 = tokenizer$1.positionable_operators;
var TOKEN$2 = tokenizer$1.TOKEN;


function in_array$1(what, arr) {
  return arr.indexOf(what) !== -1;
}

function ltrim(s) {
  return s.replace(/^\s+/g, '');
}

function generateMapFromStrings(list) {
  var result = {};
  for (var x = 0; x < list.length; x++) {
    // make the mapped names underscored instead of dash
    result[list[x].replace(/-/g, '_')] = list[x];
  }
  return result;
}

function reserved_word(token, word) {
  return token && token.type === TOKEN$2.RESERVED && token.text === word;
}

function reserved_array(token, words) {
  return token && token.type === TOKEN$2.RESERVED && in_array$1(token.text, words);
}
// Unsure of what they mean, but they work. Worth cleaning up in future.
var special_words = ['case', 'return', 'do', 'if', 'throw', 'else', 'await', 'break', 'continue', 'async'];

var validPositionValues$1 = ['before-newline', 'after-newline', 'preserve-newline'];

// Generate map from array
var OPERATOR_POSITION = generateMapFromStrings(validPositionValues$1);

var OPERATOR_POSITION_BEFORE_OR_PRESERVE = [OPERATOR_POSITION.before_newline, OPERATOR_POSITION.preserve_newline];

var MODE = {
  BlockStatement: 'BlockStatement', // 'BLOCK'
  Statement: 'Statement', // 'STATEMENT'
  ObjectLiteral: 'ObjectLiteral', // 'OBJECT',
  ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]',
  ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)',
  Conditional: 'Conditional', //'(COND-EXPRESSION)',
  Expression: 'Expression' //'(EXPRESSION)'
};

function remove_redundant_indentation(output, frame) {
  // This implementation is effective but has some issues:
  //     - can cause line wrap to happen too soon due to indent removal
  //           after wrap points are calculated
  // These issues are minor compared to ugly indentation.

  if (frame.multiline_frame ||
    frame.mode === MODE.ForInitializer ||
    frame.mode === MODE.Conditional) {
    return;
  }

  // remove one indent from each line inside this section
  output.remove_indent(frame.start_line_index);
}

// we could use just string.split, but
// IE doesn't like returning empty strings
function split_linebreaks(s) {
  //return s.split(/\x0d\x0a|\x0a/);

  s = s.replace(acorn.allLineBreaks, '\n');
  var out = [],
    idx = s.indexOf("\n");
  while (idx !== -1) {
    out.push(s.substring(0, idx));
    s = s.substring(idx + 1);
    idx = s.indexOf("\n");
  }
  if (s.length) {
    out.push(s);
  }
  return out;
}

function is_array(mode) {
  return mode === MODE.ArrayLiteral;
}

function is_expression(mode) {
  return in_array$1(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);
}

function all_lines_start_with(lines, c) {
  for (var i = 0; i < lines.length; i++) {
    var line = lines[i].trim();
    if (line.charAt(0) !== c) {
      return false;
    }
  }
  return true;
}

function each_line_matches_indent(lines, indent) {
  var i = 0,
    len = lines.length,
    line;
  for (; i < len; i++) {
    line = lines[i];
    // allow empty lines to pass through
    if (line && line.indexOf(indent) !== 0) {
      return false;
    }
  }
  return true;
}


function Beautifier(source_text, options) {
  options = options || {};
  this._source_text = source_text || '';

  this._output = null;
  this._tokens = null;
  this._last_last_text = null;
  this._flags = null;
  this._previous_flags = null;

  this._flag_store = null;
  this._options = new Options$2(options);
}

Beautifier.prototype.create_flags = function(flags_base, mode) {
  var next_indent_level = 0;
  if (flags_base) {
    next_indent_level = flags_base.indentation_level;
    if (!this._output.just_added_newline() &&
      flags_base.line_indent_level > next_indent_level) {
      next_indent_level = flags_base.line_indent_level;
    }
  }

  var next_flags = {
    mode: mode,
    parent: flags_base,
    last_token: flags_base ? flags_base.last_token : new Token$2(TOKEN$2.START_BLOCK, ''), // last token text
    last_word: flags_base ? flags_base.last_word : '', // last TOKEN.WORD passed
    declaration_statement: false,
    declaration_assignment: false,
    multiline_frame: false,
    inline_frame: false,
    if_block: false,
    else_block: false,
    do_block: false,
    do_while: false,
    import_block: false,
    in_case_statement: false, // switch(..){ INSIDE HERE }
    in_case: false, // we're on the exact line with "case 0:"
    case_body: false, // the indented case-action block
    indentation_level: next_indent_level,
    alignment: 0,
    line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level,
    start_line_index: this._output.get_line_number(),
    ternary_depth: 0
  };
  return next_flags;
};

Beautifier.prototype._reset = function(source_text) {
  var baseIndentString = source_text.match(/^[\t ]*/)[0];

  this._last_last_text = ''; // pre-last token text
  this._output = new Output$1(this._options, baseIndentString);

  // If testing the ignore directive, start with output disable set to true
  this._output.raw = this._options.test_output_raw;


  // Stack of parsing/formatting states, including MODE.
  // We tokenize, parse, and output in an almost purely a forward-only stream of token input
  // and formatted output.  This makes the beautifier less accurate than full parsers
  // but also far more tolerant of syntax errors.
  //
  // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type
  // MODE.BlockStatement on the the stack, even though it could be object literal.  If we later
  // encounter a ":", we'll switch to to MODE.ObjectLiteral.  If we then see a ";",
  // most full parsers would die, but the beautifier gracefully falls back to
  // MODE.BlockStatement and continues on.
  this._flag_store = [];
  this.set_mode(MODE.BlockStatement);
  var tokenizer = new Tokenizer$2(source_text, this._options);
  this._tokens = tokenizer.tokenize();
  return source_text;
};

Beautifier.prototype.beautify = function() {
  // if disabled, return the input unchanged.
  if (this._options.disabled) {
    return this._source_text;
  }

  var sweet_code;
  var source_text = this._reset(this._source_text);

  var eol = this._options.eol;
  if (this._options.eol === 'auto') {
    eol = '\n';
    if (source_text && acorn.lineBreak.test(source_text || '')) {
      eol = source_text.match(acorn.lineBreak)[0];
    }
  }

  var current_token = this._tokens.next();
  while (current_token) {
    this.handle_token(current_token);

    this._last_last_text = this._flags.last_token.text;
    this._flags.last_token = current_token;

    current_token = this._tokens.next();
  }

  sweet_code = this._output.get_code(eol);

  return sweet_code;
};

Beautifier.prototype.handle_token = function(current_token, preserve_statement_flags) {
  if (current_token.type === TOKEN$2.START_EXPR) {
    this.handle_start_expr(current_token);
  } else if (current_token.type === TOKEN$2.END_EXPR) {
    this.handle_end_expr(current_token);
  } else if (current_token.type === TOKEN$2.START_BLOCK) {
    this.handle_start_block(current_token);
  } else if (current_token.type === TOKEN$2.END_BLOCK) {
    this.handle_end_block(current_token);
  } else if (current_token.type === TOKEN$2.WORD) {
    this.handle_word(current_token);
  } else if (current_token.type === TOKEN$2.RESERVED) {
    this.handle_word(current_token);
  } else if (current_token.type === TOKEN$2.SEMICOLON) {
    this.handle_semicolon(current_token);
  } else if (current_token.type === TOKEN$2.STRING) {
    this.handle_string(current_token);
  } else if (current_token.type === TOKEN$2.EQUALS) {
    this.handle_equals(current_token);
  } else if (current_token.type === TOKEN$2.OPERATOR) {
    this.handle_operator(current_token);
  } else if (current_token.type === TOKEN$2.COMMA) {
    this.handle_comma(current_token);
  } else if (current_token.type === TOKEN$2.BLOCK_COMMENT) {
    this.handle_block_comment(current_token, preserve_statement_flags);
  } else if (current_token.type === TOKEN$2.COMMENT) {
    this.handle_comment(current_token, preserve_statement_flags);
  } else if (current_token.type === TOKEN$2.DOT) {
    this.handle_dot(current_token);
  } else if (current_token.type === TOKEN$2.EOF) {
    this.handle_eof(current_token);
  } else if (current_token.type === TOKEN$2.UNKNOWN) {
    this.handle_unknown(current_token, preserve_statement_flags);
  } else {
    this.handle_unknown(current_token, preserve_statement_flags);
  }
};

Beautifier.prototype.handle_whitespace_and_comments = function(current_token, preserve_statement_flags) {
  var newlines = current_token.newlines;
  var keep_whitespace = this._options.keep_array_indentation && is_array(this._flags.mode);

  if (current_token.comments_before) {
    var comment_token = current_token.comments_before.next();
    while (comment_token) {
      // The cleanest handling of inline comments is to treat them as though they aren't there.
      // Just continue formatting and the behavior should be logical.
      // Also ignore unknown tokens.  Again, this should result in better behavior.
      this.handle_whitespace_and_comments(comment_token, preserve_statement_flags);
      this.handle_token(comment_token, preserve_statement_flags);
      comment_token = current_token.comments_before.next();
    }
  }

  if (keep_whitespace) {
    for (var i = 0; i < newlines; i += 1) {
      this.print_newline(i > 0, preserve_statement_flags);
    }
  } else {
    if (this._options.max_preserve_newlines && newlines > this._options.max_preserve_newlines) {
      newlines = this._options.max_preserve_newlines;
    }

    if (this._options.preserve_newlines) {
      if (newlines > 1) {
        this.print_newline(false, preserve_statement_flags);
        for (var j = 1; j < newlines; j += 1) {
          this.print_newline(true, preserve_statement_flags);
        }
      }
    }
  }

};

var newline_restricted_tokens = ['async', 'break', 'continue', 'return', 'throw', 'yield'];

Beautifier.prototype.allow_wrap_or_preserved_newline = function(current_token, force_linewrap) {
  force_linewrap = (force_linewrap === undefined) ? false : force_linewrap;

  // Never wrap the first token on a line
  if (this._output.just_added_newline()) {
    return;
  }

  var shouldPreserveOrForce = (this._options.preserve_newlines && current_token.newlines) || force_linewrap;
  var operatorLogicApplies = in_array$1(this._flags.last_token.text, positionable_operators$1) ||
    in_array$1(current_token.text, positionable_operators$1);

  if (operatorLogicApplies) {
    var shouldPrintOperatorNewline = (
        in_array$1(this._flags.last_token.text, positionable_operators$1) &&
        in_array$1(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)
      ) ||
      in_array$1(current_token.text, positionable_operators$1);
    shouldPreserveOrForce = shouldPreserveOrForce && shouldPrintOperatorNewline;
  }

  if (shouldPreserveOrForce) {
    this.print_newline(false, true);
  } else if (this._options.wrap_line_length) {
    if (reserved_array(this._flags.last_token, newline_restricted_tokens)) {
      // These tokens should never have a newline inserted
      // between them and the following expression.
      return;
    }
    this._output.set_wrap_point();
  }
};

Beautifier.prototype.print_newline = function(force_newline, preserve_statement_flags) {
  if (!preserve_statement_flags) {
    if (this._flags.last_token.text !== ';' && this._flags.last_token.text !== ',' && this._flags.last_token.text !== '=' && (this._flags.last_token.type !== TOKEN$2.OPERATOR || this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) {
      var next_token = this._tokens.peek();
      while (this._flags.mode === MODE.Statement &&
        !(this._flags.if_block && reserved_word(next_token, 'else')) &&
        !this._flags.do_block) {
        this.restore_mode();
      }
    }
  }

  if (this._output.add_new_line(force_newline)) {
    this._flags.multiline_frame = true;
  }
};

Beautifier.prototype.print_token_line_indentation = function(current_token) {
  if (this._output.just_added_newline()) {
    if (this._options.keep_array_indentation &&
      current_token.newlines &&
      (current_token.text === '[' || is_array(this._flags.mode))) {
      this._output.current_line.set_indent(-1);
      this._output.current_line.push(current_token.whitespace_before);
      this._output.space_before_token = false;
    } else if (this._output.set_indent(this._flags.indentation_level, this._flags.alignment)) {
      this._flags.line_indent_level = this._flags.indentation_level;
    }
  }
};

Beautifier.prototype.print_token = function(current_token) {
  if (this._output.raw) {
    this._output.add_raw_token(current_token);
    return;
  }

  if (this._options.comma_first && current_token.previous && current_token.previous.type === TOKEN$2.COMMA &&
    this._output.just_added_newline()) {
    if (this._output.previous_line.last() === ',') {
      var popped = this._output.previous_line.pop();
      // if the comma was already at the start of the line,
      // pull back onto that line and reprint the indentation
      if (this._output.previous_line.is_empty()) {
        this._output.previous_line.push(popped);
        this._output.trim(true);
        this._output.current_line.pop();
        this._output.trim();
      }

      // add the comma in front of the next token
      this.print_token_line_indentation(current_token);
      this._output.add_token(',');
      this._output.space_before_token = true;
    }
  }

  this.print_token_line_indentation(current_token);
  this._output.non_breaking_space = true;
  this._output.add_token(current_token.text);
  if (this._output.previous_token_wrapped) {
    this._flags.multiline_frame = true;
  }
};

Beautifier.prototype.indent = function() {
  this._flags.indentation_level += 1;
  this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
};

Beautifier.prototype.deindent = function() {
  if (this._flags.indentation_level > 0 &&
    ((!this._flags.parent) || this._flags.indentation_level > this._flags.parent.indentation_level)) {
    this._flags.indentation_level -= 1;
    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
  }
};

Beautifier.prototype.set_mode = function(mode) {
  if (this._flags) {
    this._flag_store.push(this._flags);
    this._previous_flags = this._flags;
  } else {
    this._previous_flags = this.create_flags(null, mode);
  }

  this._flags = this.create_flags(this._previous_flags, mode);
  this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
};


Beautifier.prototype.restore_mode = function() {
  if (this._flag_store.length > 0) {
    this._previous_flags = this._flags;
    this._flags = this._flag_store.pop();
    if (this._previous_flags.mode === MODE.Statement) {
      remove_redundant_indentation(this._output, this._previous_flags);
    }
    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
  }
};

Beautifier.prototype.start_of_object_property = function() {
  return this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement && (
    (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || (reserved_array(this._flags.last_token, ['get', 'set'])));
};

Beautifier.prototype.start_of_statement = function(current_token) {
  var start = false;
  start = start || reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN$2.WORD;
  start = start || reserved_word(this._flags.last_token, 'do');
  start = start || (!(this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement)) && reserved_array(this._flags.last_token, newline_restricted_tokens) && !current_token.newlines;
  start = start || reserved_word(this._flags.last_token, 'else') &&
    !(reserved_word(current_token, 'if') && !current_token.comments_before);
  start = start || (this._flags.last_token.type === TOKEN$2.END_EXPR && (this._previous_flags.mode === MODE.ForInitializer || this._previous_flags.mode === MODE.Conditional));
  start = start || (this._flags.last_token.type === TOKEN$2.WORD && this._flags.mode === MODE.BlockStatement &&
    !this._flags.in_case &&
    !(current_token.text === '--' || current_token.text === '++') &&
    this._last_last_text !== 'function' &&
    current_token.type !== TOKEN$2.WORD && current_token.type !== TOKEN$2.RESERVED);
  start = start || (this._flags.mode === MODE.ObjectLiteral && (
    (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || reserved_array(this._flags.last_token, ['get', 'set'])));

  if (start) {
    this.set_mode(MODE.Statement);
    this.indent();

    this.handle_whitespace_and_comments(current_token, true);

    // Issue #276:
    // If starting a new statement with [if, for, while, do], push to a new line.
    // if (a) if (b) if(c) d(); else e(); else f();
    if (!this.start_of_object_property()) {
      this.allow_wrap_or_preserved_newline(current_token,
        reserved_array(current_token, ['do', 'for', 'if', 'while']));
    }
    return true;
  }
  return false;
};

Beautifier.prototype.handle_start_expr = function(current_token) {
  // The conditional starts the statement if appropriate.
  if (!this.start_of_statement(current_token)) {
    this.handle_whitespace_and_comments(current_token);
  }

  var next_mode = MODE.Expression;
  if (current_token.text === '[') {

    if (this._flags.last_token.type === TOKEN$2.WORD || this._flags.last_token.text === ')') {
      // this is array index specifier, break immediately
      // a[x], fn()[x]
      if (reserved_array(this._flags.last_token, line_starters$1)) {
        this._output.space_before_token = true;
      }
      this.print_token(current_token);
      this.set_mode(next_mode);
      this.indent();
      if (this._options.space_in_paren) {
        this._output.space_before_token = true;
      }
      return;
    }

    next_mode = MODE.ArrayLiteral;
    if (is_array(this._flags.mode)) {
      if (this._flags.last_token.text === '[' ||
        (this._flags.last_token.text === ',' && (this._last_last_text === ']' || this._last_last_text === '}'))) {
        // ], [ goes to new line
        // }, [ goes to new line
        if (!this._options.keep_array_indentation) {
          this.print_newline();
        }
      }
    }

    if (!in_array$1(this._flags.last_token.type, [TOKEN$2.START_EXPR, TOKEN$2.END_EXPR, TOKEN$2.WORD, TOKEN$2.OPERATOR])) {
      this._output.space_before_token = true;
    }
  } else {
    if (this._flags.last_token.type === TOKEN$2.RESERVED) {
      if (this._flags.last_token.text === 'for') {
        this._output.space_before_token = this._options.space_before_conditional;
        next_mode = MODE.ForInitializer;
      } else if (in_array$1(this._flags.last_token.text, ['if', 'while'])) {
        this._output.space_before_token = this._options.space_before_conditional;
        next_mode = MODE.Conditional;
      } else if (in_array$1(this._flags.last_word, ['await', 'async'])) {
        // Should be a space between await and an IIFE, or async and an arrow function
        this._output.space_before_token = true;
      } else if (this._flags.last_token.text === 'import' && current_token.whitespace_before === '') {
        this._output.space_before_token = false;
      } else if (in_array$1(this._flags.last_token.text, line_starters$1) || this._flags.last_token.text === 'catch') {
        this._output.space_before_token = true;
      }
    } else if (this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
      // Support of this kind of newline preservation.
      // a = (b &&
      //     (c || d));
      if (!this.start_of_object_property()) {
        this.allow_wrap_or_preserved_newline(current_token);
      }
    } else if (this._flags.last_token.type === TOKEN$2.WORD) {
      this._output.space_before_token = false;

      // function name() vs function name ()
      // function* name() vs function* name ()
      // async name() vs async name ()
      // In ES6, you can also define the method properties of an object
      // var obj = {a: function() {}}
      // It can be abbreviated
      // var obj = {a() {}}
      // var obj = { a() {}} vs var obj = { a () {}}
      // var obj = { * a() {}} vs var obj = { * a () {}}
      var peek_back_two = this._tokens.peek(-3);
      if (this._options.space_after_named_function && peek_back_two) {
        // peek starts at next character so -1 is current token
        var peek_back_three = this._tokens.peek(-4);
        if (reserved_array(peek_back_two, ['async', 'function']) ||
          (peek_back_two.text === '*' && reserved_array(peek_back_three, ['async', 'function']))) {
          this._output.space_before_token = true;
        } else if (this._flags.mode === MODE.ObjectLiteral) {
          if ((peek_back_two.text === '{' || peek_back_two.text === ',') ||
            (peek_back_two.text === '*' && (peek_back_three.text === '{' || peek_back_three.text === ','))) {
            this._output.space_before_token = true;
          }
        }
      }
    } else {
      // Support preserving wrapped arrow function expressions
      // a.b('c',
      //     () => d.e
      // )
      this.allow_wrap_or_preserved_newline(current_token);
    }

    // function() vs function ()
    // yield*() vs yield* ()
    // function*() vs function* ()
    if ((this._flags.last_token.type === TOKEN$2.RESERVED && (this._flags.last_word === 'function' || this._flags.last_word === 'typeof')) ||
      (this._flags.last_token.text === '*' &&
        (in_array$1(this._last_last_text, ['function', 'yield']) ||
          (this._flags.mode === MODE.ObjectLiteral && in_array$1(this._last_last_text, ['{', ',']))))) {
      this._output.space_before_token = this._options.space_after_anon_function;
    }
  }

  if (this._flags.last_token.text === ';' || this._flags.last_token.type === TOKEN$2.START_BLOCK) {
    this.print_newline();
  } else if (this._flags.last_token.type === TOKEN$2.END_EXPR || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.END_BLOCK || this._flags.last_token.text === '.' || this._flags.last_token.type === TOKEN$2.COMMA) {
    // do nothing on (( and )( and ][ and ]( and .(
    // TODO: Consider whether forcing this is required.  Review failing tests when removed.
    this.allow_wrap_or_preserved_newline(current_token, current_token.newlines);
  }

  this.print_token(current_token);
  this.set_mode(next_mode);
  if (this._options.space_in_paren) {
    this._output.space_before_token = true;
  }

  // In all cases, if we newline while inside an expression it should be indented.
  this.indent();
};

Beautifier.prototype.handle_end_expr = function(current_token) {
  // statements inside expressions are not valid syntax, but...
  // statements must all be closed when their container closes
  while (this._flags.mode === MODE.Statement) {
    this.restore_mode();
  }

  this.handle_whitespace_and_comments(current_token);

  if (this._flags.multiline_frame) {
    this.allow_wrap_or_preserved_newline(current_token,
      current_token.text === ']' && is_array(this._flags.mode) && !this._options.keep_array_indentation);
  }

  if (this._options.space_in_paren) {
    if (this._flags.last_token.type === TOKEN$2.START_EXPR && !this._options.space_in_empty_paren) {
      // () [] no inner space in empty parens like these, ever, ref #320
      this._output.trim();
      this._output.space_before_token = false;
    } else {
      this._output.space_before_token = true;
    }
  }
  this.deindent();
  this.print_token(current_token);
  this.restore_mode();

  remove_redundant_indentation(this._output, this._previous_flags);

  // do {} while () // no statement required after
  if (this._flags.do_while && this._previous_flags.mode === MODE.Conditional) {
    this._previous_flags.mode = MODE.Expression;
    this._flags.do_block = false;
    this._flags.do_while = false;

  }
};

Beautifier.prototype.handle_start_block = function(current_token) {
  this.handle_whitespace_and_comments(current_token);

  // Check if this is should be treated as a ObjectLiteral
  var next_token = this._tokens.peek();
  var second_token = this._tokens.peek(1);
  if (this._flags.last_word === 'switch' && this._flags.last_token.type === TOKEN$2.END_EXPR) {
    this.set_mode(MODE.BlockStatement);
    this._flags.in_case_statement = true;
  } else if (this._flags.case_body) {
    this.set_mode(MODE.BlockStatement);
  } else if (second_token && (
      (in_array$1(second_token.text, [':', ',']) && in_array$1(next_token.type, [TOKEN$2.STRING, TOKEN$2.WORD, TOKEN$2.RESERVED])) ||
      (in_array$1(next_token.text, ['get', 'set', '...']) && in_array$1(second_token.type, [TOKEN$2.WORD, TOKEN$2.RESERVED]))
    )) {
    // We don't support TypeScript,but we didn't break it for a very long time.
    // We'll try to keep not breaking it.
    if (!in_array$1(this._last_last_text, ['class', 'interface'])) {
      this.set_mode(MODE.ObjectLiteral);
    } else {
      this.set_mode(MODE.BlockStatement);
    }
  } else if (this._flags.last_token.type === TOKEN$2.OPERATOR && this._flags.last_token.text === '=>') {
    // arrow function: (param1, paramN) => { statements }
    this.set_mode(MODE.BlockStatement);
  } else if (in_array$1(this._flags.last_token.type, [TOKEN$2.EQUALS, TOKEN$2.START_EXPR, TOKEN$2.COMMA, TOKEN$2.OPERATOR]) ||
    reserved_array(this._flags.last_token, ['return', 'throw', 'import', 'default'])
  ) {
    // Detecting shorthand function syntax is difficult by scanning forward,
    //     so check the surrounding context.
    // If the block is being returned, imported, export default, passed as arg,
    //     assigned with = or assigned in a nested object, treat as an ObjectLiteral.
    this.set_mode(MODE.ObjectLiteral);
  } else {
    this.set_mode(MODE.BlockStatement);
  }

  var empty_braces = !next_token.comments_before && next_token.text === '}';
  var empty_anonymous_function = empty_braces && this._flags.last_word === 'function' &&
    this._flags.last_token.type === TOKEN$2.END_EXPR;

  if (this._options.brace_preserve_inline) // check for inline, set inline_frame if so
  {
    // search forward for a newline wanted inside this block
    var index = 0;
    var check_token = null;
    this._flags.inline_frame = true;
    do {
      index += 1;
      check_token = this._tokens.peek(index - 1);
      if (check_token.newlines) {
        this._flags.inline_frame = false;
        break;
      }
    } while (check_token.type !== TOKEN$2.EOF &&
      !(check_token.type === TOKEN$2.END_BLOCK && check_token.opened === current_token));
  }

  if ((this._options.brace_style === "expand" ||
      (this._options.brace_style === "none" && current_token.newlines)) &&
    !this._flags.inline_frame) {
    if (this._flags.last_token.type !== TOKEN$2.OPERATOR &&
      (empty_anonymous_function ||
        this._flags.last_token.type === TOKEN$2.EQUALS ||
        (reserved_array(this._flags.last_token, special_words) && this._flags.last_token.text !== 'else'))) {
      this._output.space_before_token = true;
    } else {
      this.print_newline(false, true);
    }
  } else { // collapse || inline_frame
    if (is_array(this._previous_flags.mode) && (this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.COMMA)) {
      if (this._flags.last_token.type === TOKEN$2.COMMA || this._options.space_in_paren) {
        this._output.space_before_token = true;
      }

      if (this._flags.last_token.type === TOKEN$2.COMMA || (this._flags.last_token.type === TOKEN$2.START_EXPR && this._flags.inline_frame)) {
        this.allow_wrap_or_preserved_newline(current_token);
        this._previous_flags.multiline_frame = this._previous_flags.multiline_frame || this._flags.multiline_frame;
        this._flags.multiline_frame = false;
      }
    }
    if (this._flags.last_token.type !== TOKEN$2.OPERATOR && this._flags.last_token.type !== TOKEN$2.START_EXPR) {
      if (this._flags.last_token.type === TOKEN$2.START_BLOCK && !this._flags.inline_frame) {
        this.print_newline();
      } else {
        this._output.space_before_token = true;
      }
    }
  }
  this.print_token(current_token);
  this.indent();

  // Except for specific cases, open braces are followed by a new line.
  if (!empty_braces && !(this._options.brace_preserve_inline && this._flags.inline_frame)) {
    this.print_newline();
  }
};

Beautifier.prototype.handle_end_block = function(current_token) {
  // statements must all be closed when their container closes
  this.handle_whitespace_and_comments(current_token);

  while (this._flags.mode === MODE.Statement) {
    this.restore_mode();
  }

  var empty_braces = this._flags.last_token.type === TOKEN$2.START_BLOCK;

  if (this._flags.inline_frame && !empty_braces) { // try inline_frame (only set if this._options.braces-preserve-inline) first
    this._output.space_before_token = true;
  } else if (this._options.brace_style === "expand") {
    if (!empty_braces) {
      this.print_newline();
    }
  } else {
    // skip {}
    if (!empty_braces) {
      if (is_array(this._flags.mode) && this._options.keep_array_indentation) {
        // we REALLY need a newline here, but newliner would skip that
        this._options.keep_array_indentation = false;
        this.print_newline();
        this._options.keep_array_indentation = true;

      } else {
        this.print_newline();
      }
    }
  }
  this.restore_mode();
  this.print_token(current_token);
};

Beautifier.prototype.handle_word = function(current_token) {
  if (current_token.type === TOKEN$2.RESERVED) {
    if (in_array$1(current_token.text, ['set', 'get']) && this._flags.mode !== MODE.ObjectLiteral) {
      current_token.type = TOKEN$2.WORD;
    } else if (current_token.text === 'import' && this._tokens.peek().text === '(') {
      current_token.type = TOKEN$2.WORD;
    } else if (in_array$1(current_token.text, ['as', 'from']) && !this._flags.import_block) {
      current_token.type = TOKEN$2.WORD;
    } else if (this._flags.mode === MODE.ObjectLiteral) {
      var next_token = this._tokens.peek();
      if (next_token.text === ':') {
        current_token.type = TOKEN$2.WORD;
      }
    }
  }

  if (this.start_of_statement(current_token)) {
    // The conditional starts the statement if appropriate.
    if (reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN$2.WORD) {
      this._flags.declaration_statement = true;
    }
  } else if (current_token.newlines && !is_expression(this._flags.mode) &&
    (this._flags.last_token.type !== TOKEN$2.OPERATOR || (this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) &&
    this._flags.last_token.type !== TOKEN$2.EQUALS &&
    (this._options.preserve_newlines || !reserved_array(this._flags.last_token, ['var', 'let', 'const', 'set', 'get']))) {
    this.handle_whitespace_and_comments(current_token);
    this.print_newline();
  } else {
    this.handle_whitespace_and_comments(current_token);
  }

  if (this._flags.do_block && !this._flags.do_while) {
    if (reserved_word(current_token, 'while')) {
      // do {} ## while ()
      this._output.space_before_token = true;
      this.print_token(current_token);
      this._output.space_before_token = true;
      this._flags.do_while = true;
      return;
    } else {
      // do {} should always have while as the next word.
      // if we don't see the expected while, recover
      this.print_newline();
      this._flags.do_block = false;
    }
  }

  // if may be followed by else, or not
  // Bare/inline ifs are tricky
  // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e();
  if (this._flags.if_block) {
    if (!this._flags.else_block && reserved_word(current_token, 'else')) {
      this._flags.else_block = true;
    } else {
      while (this._flags.mode === MODE.Statement) {
        this.restore_mode();
      }
      this._flags.if_block = false;
      this._flags.else_block = false;
    }
  }

  if (this._flags.in_case_statement && reserved_array(current_token, ['case', 'default'])) {
    this.print_newline();
    if (this._flags.last_token.type !== TOKEN$2.END_BLOCK && (this._flags.case_body || this._options.jslint_happy)) {
      // switch cases following one another
      this.deindent();
    }
    this._flags.case_body = false;

    this.print_token(current_token);
    this._flags.in_case = true;
    return;
  }

  if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
    if (!this.start_of_object_property()) {
      this.allow_wrap_or_preserved_newline(current_token);
    }
  }

  if (reserved_word(current_token, 'function')) {
    if (in_array$1(this._flags.last_token.text, ['}', ';']) ||
      (this._output.just_added_newline() && !(in_array$1(this._flags.last_token.text, ['(', '[', '{', ':', '=', ',']) || this._flags.last_token.type === TOKEN$2.OPERATOR))) {
      // make sure there is a nice clean space of at least one blank line
      // before a new function definition
      if (!this._output.just_added_blankline() && !current_token.comments_before) {
        this.print_newline();
        this.print_newline(true);
      }
    }
    if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD) {
      if (reserved_array(this._flags.last_token, ['get', 'set', 'new', 'export']) ||
        reserved_array(this._flags.last_token, newline_restricted_tokens)) {
        this._output.space_before_token = true;
      } else if (reserved_word(this._flags.last_token, 'default') && this._last_last_text === 'export') {
        this._output.space_before_token = true;
      } else if (this._flags.last_token.text === 'declare') {
        // accomodates Typescript declare function formatting
        this._output.space_before_token = true;
      } else {
        this.print_newline();
      }
    } else if (this._flags.last_token.type === TOKEN$2.OPERATOR || this._flags.last_token.text === '=') {
      // foo = function
      this._output.space_before_token = true;
    } else if (!this._flags.multiline_frame && (is_expression(this._flags.mode) || is_array(this._flags.mode))) ; else {
      this.print_newline();
    }

    this.print_token(current_token);
    this._flags.last_word = current_token.text;
    return;
  }

  var prefix = 'NONE';

  if (this._flags.last_token.type === TOKEN$2.END_BLOCK) {

    if (this._previous_flags.inline_frame) {
      prefix = 'SPACE';
    } else if (!reserved_array(current_token, ['else', 'catch', 'finally', 'from'])) {
      prefix = 'NEWLINE';
    } else {
      if (this._options.brace_style === "expand" ||
        this._options.brace_style === "end-expand" ||
        (this._options.brace_style === "none" && current_token.newlines)) {
        prefix = 'NEWLINE';
      } else {
        prefix = 'SPACE';
        this._output.space_before_token = true;
      }
    }
  } else if (this._flags.last_token.type === TOKEN$2.SEMICOLON && this._flags.mode === MODE.BlockStatement) {
    // TODO: Should this be for STATEMENT as well?
    prefix = 'NEWLINE';
  } else if (this._flags.last_token.type === TOKEN$2.SEMICOLON && is_expression(this._flags.mode)) {
    prefix = 'SPACE';
  } else if (this._flags.last_token.type === TOKEN$2.STRING) {
    prefix = 'NEWLINE';
  } else if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD ||
    (this._flags.last_token.text === '*' &&
      (in_array$1(this._last_last_text, ['function', 'yield']) ||
        (this._flags.mode === MODE.ObjectLiteral && in_array$1(this._last_last_text, ['{', ',']))))) {
    prefix = 'SPACE';
  } else if (this._flags.last_token.type === TOKEN$2.START_BLOCK) {
    if (this._flags.inline_frame) {
      prefix = 'SPACE';
    } else {
      prefix = 'NEWLINE';
    }
  } else if (this._flags.last_token.type === TOKEN$2.END_EXPR) {
    this._output.space_before_token = true;
    prefix = 'NEWLINE';
  }

  if (reserved_array(current_token, line_starters$1) && this._flags.last_token.text !== ')') {
    if (this._flags.inline_frame || this._flags.last_token.text === 'else' || this._flags.last_token.text === 'export') {
      prefix = 'SPACE';
    } else {
      prefix = 'NEWLINE';
    }

  }

  if (reserved_array(current_token, ['else', 'catch', 'finally'])) {
    if ((!(this._flags.last_token.type === TOKEN$2.END_BLOCK && this._previous_flags.mode === MODE.BlockStatement) ||
        this._options.brace_style === "expand" ||
        this._options.brace_style === "end-expand" ||
        (this._options.brace_style === "none" && current_token.newlines)) &&
      !this._flags.inline_frame) {
      this.print_newline();
    } else {
      this._output.trim(true);
      var line = this._output.current_line;
      // If we trimmed and there's something other than a close block before us
      // put a newline back in.  Handles '} // comment' scenario.
      if (line.last() !== '}') {
        this.print_newline();
      }
      this._output.space_before_token = true;
    }
  } else if (prefix === 'NEWLINE') {
    if (reserved_array(this._flags.last_token, special_words)) {
      // no newline between 'return nnn'
      this._output.space_before_token = true;
    } else if (this._flags.last_token.text === 'declare' && reserved_array(current_token, ['var', 'let', 'const'])) {
      // accomodates Typescript declare formatting
      this._output.space_before_token = true;
    } else if (this._flags.last_token.type !== TOKEN$2.END_EXPR) {
      if ((this._flags.last_token.type !== TOKEN$2.START_EXPR || !reserved_array(current_token, ['var', 'let', 'const'])) && this._flags.last_token.text !== ':') {
        // no need to force newline on 'var': for (var x = 0...)
        if (reserved_word(current_token, 'if') && reserved_word(current_token.previous, 'else')) {
          // no newline for } else if {
          this._output.space_before_token = true;
        } else {
          this.print_newline();
        }
      }
    } else if (reserved_array(current_token, line_starters$1) && this._flags.last_token.text !== ')') {
      this.print_newline();
    }
  } else if (this._flags.multiline_frame && is_array(this._flags.mode) && this._flags.last_token.text === ',' && this._last_last_text === '}') {
    this.print_newline(); // }, in lists get a newline treatment
  } else if (prefix === 'SPACE') {
    this._output.space_before_token = true;
  }
  if (current_token.previous && (current_token.previous.type === TOKEN$2.WORD || current_token.previous.type === TOKEN$2.RESERVED)) {
    this._output.space_before_token = true;
  }
  this.print_token(current_token);
  this._flags.last_word = current_token.text;

  if (current_token.type === TOKEN$2.RESERVED) {
    if (current_token.text === 'do') {
      this._flags.do_block = true;
    } else if (current_token.text === 'if') {
      this._flags.if_block = true;
    } else if (current_token.text === 'import') {
      this._flags.import_block = true;
    } else if (this._flags.import_block && reserved_word(current_token, 'from')) {
      this._flags.import_block = false;
    }
  }
};

Beautifier.prototype.handle_semicolon = function(current_token) {
  if (this.start_of_statement(current_token)) {
    // The conditional starts the statement if appropriate.
    // Semicolon can be the start (and end) of a statement
    this._output.space_before_token = false;
  } else {
    this.handle_whitespace_and_comments(current_token);
  }

  var next_token = this._tokens.peek();
  while (this._flags.mode === MODE.Statement &&
    !(this._flags.if_block && reserved_word(next_token, 'else')) &&
    !this._flags.do_block) {
    this.restore_mode();
  }

  // hacky but effective for the moment
  if (this._flags.import_block) {
    this._flags.import_block = false;
  }
  this.print_token(current_token);
};

Beautifier.prototype.handle_string = function(current_token) {
  if (this.start_of_statement(current_token)) {
    // The conditional starts the statement if appropriate.
    // One difference - strings want at least a space before
    this._output.space_before_token = true;
  } else {
    this.handle_whitespace_and_comments(current_token);
    if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD || this._flags.inline_frame) {
      this._output.space_before_token = true;
    } else if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
      if (!this.start_of_object_property()) {
        this.allow_wrap_or_preserved_newline(current_token);
      }
    } else {
      this.print_newline();
    }
  }
  this.print_token(current_token);
};

Beautifier.prototype.handle_equals = function(current_token) {
  if (this.start_of_statement(current_token)) ; else {
    this.handle_whitespace_and_comments(current_token);
  }

  if (this._flags.declaration_statement) {
    // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done
    this._flags.declaration_assignment = true;
  }
  this._output.space_before_token = true;
  this.print_token(current_token);
  this._output.space_before_token = true;
};

Beautifier.prototype.handle_comma = function(current_token) {
  this.handle_whitespace_and_comments(current_token, true);

  this.print_token(current_token);
  this._output.space_before_token = true;
  if (this._flags.declaration_statement) {
    if (is_expression(this._flags.parent.mode)) {
      // do not break on comma, for(var a = 1, b = 2)
      this._flags.declaration_assignment = false;
    }

    if (this._flags.declaration_assignment) {
      this._flags.declaration_assignment = false;
      this.print_newline(false, true);
    } else if (this._options.comma_first) {
      // for comma-first, we want to allow a newline before the comma
      // to turn into a newline after the comma, which we will fixup later
      this.allow_wrap_or_preserved_newline(current_token);
    }
  } else if (this._flags.mode === MODE.ObjectLiteral ||
    (this._flags.mode === MODE.Statement && this._flags.parent.mode === MODE.ObjectLiteral)) {
    if (this._flags.mode === MODE.Statement) {
      this.restore_mode();
    }

    if (!this._flags.inline_frame) {
      this.print_newline();
    }
  } else if (this._options.comma_first) {
    // EXPR or DO_BLOCK
    // for comma-first, we want to allow a newline before the comma
    // to turn into a newline after the comma, which we will fixup later
    this.allow_wrap_or_preserved_newline(current_token);
  }
};

Beautifier.prototype.handle_operator = function(current_token) {
  var isGeneratorAsterisk = current_token.text === '*' &&
    (reserved_array(this._flags.last_token, ['function', 'yield']) ||
      (in_array$1(this._flags.last_token.type, [TOKEN$2.START_BLOCK, TOKEN$2.COMMA, TOKEN$2.END_BLOCK, TOKEN$2.SEMICOLON]))
    );
  var isUnary = in_array$1(current_token.text, ['-', '+']) && (
    in_array$1(this._flags.last_token.type, [TOKEN$2.START_BLOCK, TOKEN$2.START_EXPR, TOKEN$2.EQUALS, TOKEN$2.OPERATOR]) ||
    in_array$1(this._flags.last_token.text, line_starters$1) ||
    this._flags.last_token.text === ','
  );

  if (this.start_of_statement(current_token)) ; else {
    var preserve_statement_flags = !isGeneratorAsterisk;
    this.handle_whitespace_and_comments(current_token, preserve_statement_flags);
  }

  if (reserved_array(this._flags.last_token, special_words)) {
    // "return" had a special handling in TK_WORD. Now we need to return the favor
    this._output.space_before_token = true;
    this.print_token(current_token);
    return;
  }

  // hack for actionscript's import .*;
  if (current_token.text === '*' && this._flags.last_token.type === TOKEN$2.DOT) {
    this.print_token(current_token);
    return;
  }

  if (current_token.text === '::') {
    // no spaces around exotic namespacing syntax operator
    this.print_token(current_token);
    return;
  }

  // Allow line wrapping between operators when operator_position is
  //   set to before or preserve
  if (this._flags.last_token.type === TOKEN$2.OPERATOR && in_array$1(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)) {
    this.allow_wrap_or_preserved_newline(current_token);
  }

  if (current_token.text === ':' && this._flags.in_case) {
    this.print_token(current_token);

    this._flags.in_case = false;
    this._flags.case_body = true;
    if (this._tokens.peek().type !== TOKEN$2.START_BLOCK) {
      this.indent();
      this.print_newline();
    } else {
      this._output.space_before_token = true;
    }
    return;
  }

  var space_before = true;
  var space_after = true;
  var in_ternary = false;
  if (current_token.text === ':') {
    if (this._flags.ternary_depth === 0) {
      // Colon is invalid javascript outside of ternary and object, but do our best to guess what was meant.
      space_before = false;
    } else {
      this._flags.ternary_depth -= 1;
      in_ternary = true;
    }
  } else if (current_token.text === '?') {
    this._flags.ternary_depth += 1;
  }

  // let's handle the operator_position option prior to any conflicting logic
  if (!isUnary && !isGeneratorAsterisk && this._options.preserve_newlines && in_array$1(current_token.text, positionable_operators$1)) {
    var isColon = current_token.text === ':';
    var isTernaryColon = (isColon && in_ternary);
    var isOtherColon = (isColon && !in_ternary);

    switch (this._options.operator_position) {
      case OPERATOR_POSITION.before_newline:
        // if the current token is : and it's not a ternary statement then we set space_before to false
        this._output.space_before_token = !isOtherColon;

        this.print_token(current_token);

        if (!isColon || isTernaryColon) {
          this.allow_wrap_or_preserved_newline(current_token);
        }

        this._output.space_before_token = true;
        return;

      case OPERATOR_POSITION.after_newline:
        // if the current token is anything but colon, or (via deduction) it's a colon and in a ternary statement,
        //   then print a newline.

        this._output.space_before_token = true;

        if (!isColon || isTernaryColon) {
          if (this._tokens.peek().newlines) {
            this.print_newline(false, true);
          } else {
            this.allow_wrap_or_preserved_newline(current_token);
          }
        } else {
          this._output.space_before_token = false;
        }

        this.print_token(current_token);

        this._output.space_before_token = true;
        return;

      case OPERATOR_POSITION.preserve_newline:
        if (!isOtherColon) {
          this.allow_wrap_or_preserved_newline(current_token);
        }

        // if we just added a newline, or the current token is : and it's not a ternary statement,
        //   then we set space_before to false
        space_before = !(this._output.just_added_newline() || isOtherColon);

        this._output.space_before_token = space_before;
        this.print_token(current_token);
        this._output.space_before_token = true;
        return;
    }
  }

  if (isGeneratorAsterisk) {
    this.allow_wrap_or_preserved_newline(current_token);
    space_before = false;
    var next_token = this._tokens.peek();
    space_after = next_token && in_array$1(next_token.type, [TOKEN$2.WORD, TOKEN$2.RESERVED]);
  } else if (current_token.text === '...') {
    this.allow_wrap_or_preserved_newline(current_token);
    space_before = this._flags.last_token.type === TOKEN$2.START_BLOCK;
    space_after = false;
  } else if (in_array$1(current_token.text, ['--', '++', '!', '~']) || isUnary) {
    // unary operators (and binary +/- pretending to be unary) special cases
    if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR) {
      this.allow_wrap_or_preserved_newline(current_token);
    }

    space_before = false;
    space_after = false;

    // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1
    // if there is a newline between -- or ++ and anything else we should preserve it.
    if (current_token.newlines && (current_token.text === '--' || current_token.text === '++')) {
      this.print_newline(false, true);
    }

    if (this._flags.last_token.text === ';' && is_expression(this._flags.mode)) {
      // for (;; ++i)
      //        ^^^
      space_before = true;
    }

    if (this._flags.last_token.type === TOKEN$2.RESERVED) {
      space_before = true;
    } else if (this._flags.last_token.type === TOKEN$2.END_EXPR) {
      space_before = !(this._flags.last_token.text === ']' && (current_token.text === '--' || current_token.text === '++'));
    } else if (this._flags.last_token.type === TOKEN$2.OPERATOR) {
      // a++ + ++b;
      // a - -b
      space_before = in_array$1(current_token.text, ['--', '-', '++', '+']) && in_array$1(this._flags.last_token.text, ['--', '-', '++', '+']);
      // + and - are not unary when preceeded by -- or ++ operator
      // a-- + b
      // a * +b
      // a - -b
      if (in_array$1(current_token.text, ['+', '-']) && in_array$1(this._flags.last_token.text, ['--', '++'])) {
        space_after = true;
      }
    }


    if (((this._flags.mode === MODE.BlockStatement && !this._flags.inline_frame) || this._flags.mode === MODE.Statement) &&
      (this._flags.last_token.text === '{' || this._flags.last_token.text === ';')) {
      // { foo; --i }
      // foo(); --bar;
      this.print_newline();
    }
  }

  this._output.space_before_token = this._output.space_before_token || space_before;
  this.print_token(current_token);
  this._output.space_before_token = space_after;
};

Beautifier.prototype.handle_block_comment = function(current_token, preserve_statement_flags) {
  if (this._output.raw) {
    this._output.add_raw_token(current_token);
    if (current_token.directives && current_token.directives.preserve === 'end') {
      // If we're testing the raw output behavior, do not allow a directive to turn it off.
      this._output.raw = this._options.test_output_raw;
    }
    return;
  }

  if (current_token.directives) {
    this.print_newline(false, preserve_statement_flags);
    this.print_token(current_token);
    if (current_token.directives.preserve === 'start') {
      this._output.raw = true;
    }
    this.print_newline(false, true);
    return;
  }

  // inline block
  if (!acorn.newline.test(current_token.text) && !current_token.newlines) {
    this._output.space_before_token = true;
    this.print_token(current_token);
    this._output.space_before_token = true;
    return;
  } else {
    this.print_block_commment(current_token, preserve_statement_flags);
  }
};

Beautifier.prototype.print_block_commment = function(current_token, preserve_statement_flags) {
  var lines = split_linebreaks(current_token.text);
  var j; // iterator for this case
  var javadoc = false;
  var starless = false;
  var lastIndent = current_token.whitespace_before;
  var lastIndentLength = lastIndent.length;

  // block comment starts with a new line
  this.print_newline(false, preserve_statement_flags);

  // first line always indented
  this.print_token_line_indentation(current_token);
  this._output.add_token(lines[0]);
  this.print_newline(false, preserve_statement_flags);


  if (lines.length > 1) {
    lines = lines.slice(1);
    javadoc = all_lines_start_with(lines, '*');
    starless = each_line_matches_indent(lines, lastIndent);

    if (javadoc) {
      this._flags.alignment = 1;
    }

    for (j = 0; j < lines.length; j++) {
      if (javadoc) {
        // javadoc: reformat and re-indent
        this.print_token_line_indentation(current_token);
        this._output.add_token(ltrim(lines[j]));
      } else if (starless && lines[j]) {
        // starless: re-indent non-empty content, avoiding trim
        this.print_token_line_indentation(current_token);
        this._output.add_token(lines[j].substring(lastIndentLength));
      } else {
        // normal comments output raw
        this._output.current_line.set_indent(-1);
        this._output.add_token(lines[j]);
      }

      // for comments on their own line or  more than one line, make sure there's a new line after
      this.print_newline(false, preserve_statement_flags);
    }

    this._flags.alignment = 0;
  }
};


Beautifier.prototype.handle_comment = function(current_token, preserve_statement_flags) {
  if (current_token.newlines) {
    this.print_newline(false, preserve_statement_flags);
  } else {
    this._output.trim(true);
  }

  this._output.space_before_token = true;
  this.print_token(current_token);
  this.print_newline(false, preserve_statement_flags);
};

Beautifier.prototype.handle_dot = function(current_token) {
  if (this.start_of_statement(current_token)) ; else {
    this.handle_whitespace_and_comments(current_token, true);
  }

  if (reserved_array(this._flags.last_token, special_words)) {
    this._output.space_before_token = false;
  } else {
    // allow preserved newlines before dots in general
    // force newlines on dots after close paren when break_chained - for bar().baz()
    this.allow_wrap_or_preserved_newline(current_token,
      this._flags.last_token.text === ')' && this._options.break_chained_methods);
  }

  // Only unindent chained method dot if this dot starts a new line.
  // Otherwise the automatic extra indentation removal will handle the over indent
  if (this._options.unindent_chained_methods && this._output.just_added_newline()) {
    this.deindent();
  }

  this.print_token(current_token);
};

Beautifier.prototype.handle_unknown = function(current_token, preserve_statement_flags) {
  this.print_token(current_token);

  if (current_token.text[current_token.text.length - 1] === '\n') {
    this.print_newline(false, preserve_statement_flags);
  }
};

Beautifier.prototype.handle_eof = function(current_token) {
  // Unwind any open statements
  while (this._flags.mode === MODE.Statement) {
    this.restore_mode();
  }
  this.handle_whitespace_and_comments(current_token);
};

var Beautifier_1 = Beautifier;

var beautifier = {
	Beautifier: Beautifier_1
};

var Beautifier$1 = beautifier.Beautifier,
  Options$3 = options$1.Options;

function js_beautify(js_source_text, options) {
  var beautifier = new Beautifier$1(js_source_text, options);
  return beautifier.beautify();
}

var javascript = js_beautify;
var defaultOptions$1 = function() {
  return new Options$3();
};
javascript.defaultOptions = defaultOptions$1;

var BaseOptions$1 = options.Options;

function Options$4(options) {
  BaseOptions$1.call(this, options, 'css');

  this.selector_separator_newline = this._get_boolean('selector_separator_newline', true);
  this.newline_between_rules = this._get_boolean('newline_between_rules', true);
  var space_around_selector_separator = this._get_boolean('space_around_selector_separator');
  this.space_around_combinator = this._get_boolean('space_around_combinator') || space_around_selector_separator;

}
Options$4.prototype = new BaseOptions$1();



var Options_1$2 = Options$4;

var options$2 = {
	Options: Options_1$2
};

var Options$5 = options$2.Options;
var Output$2 = output.Output;
var InputScanner$3 = inputscanner.InputScanner;
var Directives$2 = directives.Directives;

var directives_core$1 = new Directives$2(/\/\*/, /\*\//);

var lineBreak = /\r\n|[\r\n]/;
var allLineBreaks = /\r\n|[\r\n]/g;

// tokenizer
var whitespaceChar = /\s/;
var whitespacePattern = /(?:\s|\n)+/g;
var block_comment_pattern = /\/\*(?:[\s\S]*?)((?:\*\/)|$)/g;
var comment_pattern = /\/\/(?:[^\n\r\u2028\u2029]*)/g;

function Beautifier$2(source_text, options) {
  this._source_text = source_text || '';
  // Allow the setting of language/file-type specific options
  // with inheritance of overall settings
  this._options = new Options$5(options);
  this._ch = null;
  this._input = null;

  // https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule
  this.NESTED_AT_RULE = {
    "@page": true,
    "@font-face": true,
    "@keyframes": true,
    // also in CONDITIONAL_GROUP_RULE below
    "@media": true,
    "@supports": true,
    "@document": true
  };
  this.CONDITIONAL_GROUP_RULE = {
    "@media": true,
    "@supports": true,
    "@document": true
  };

}

Beautifier$2.prototype.eatString = function(endChars) {
  var result = '';
  this._ch = this._input.next();
  while (this._ch) {
    result += this._ch;
    if (this._ch === "\\") {
      result += this._input.next();
    } else if (endChars.indexOf(this._ch) !== -1 || this._ch === "\n") {
      break;
    }
    this._ch = this._input.next();
  }
  return result;
};

// Skips any white space in the source text from the current position.
// When allowAtLeastOneNewLine is true, will output new lines for each
// newline character found; if the user has preserve_newlines off, only
// the first newline will be output
Beautifier$2.prototype.eatWhitespace = function(allowAtLeastOneNewLine) {
  var result = whitespaceChar.test(this._input.peek());
  var isFirstNewLine = true;

  while (whitespaceChar.test(this._input.peek())) {
    this._ch = this._input.next();
    if (allowAtLeastOneNewLine && this._ch === '\n') {
      if (this._options.preserve_newlines || isFirstNewLine) {
        isFirstNewLine = false;
        this._output.add_new_line(true);
      }
    }
  }
  return result;
};

// Nested pseudo-class if we are insideRule
// and the next special character found opens
// a new block
Beautifier$2.prototype.foundNestedPseudoClass = function() {
  var openParen = 0;
  var i = 1;
  var ch = this._input.peek(i);
  while (ch) {
    if (ch === "{") {
      return true;
    } else if (ch === '(') {
      // pseudoclasses can contain ()
      openParen += 1;
    } else if (ch === ')') {
      if (openParen === 0) {
        return false;
      }
      openParen -= 1;
    } else if (ch === ";" || ch === "}") {
      return false;
    }
    i++;
    ch = this._input.peek(i);
  }
  return false;
};

Beautifier$2.prototype.print_string = function(output_string) {
  this._output.set_indent(this._indentLevel);
  this._output.non_breaking_space = true;
  this._output.add_token(output_string);
};

Beautifier$2.prototype.preserveSingleSpace = function(isAfterSpace) {
  if (isAfterSpace) {
    this._output.space_before_token = true;
  }
};

Beautifier$2.prototype.indent = function() {
  this._indentLevel++;
};

Beautifier$2.prototype.outdent = function() {
  if (this._indentLevel > 0) {
    this._indentLevel--;
  }
};

/*_____________________--------------------_____________________*/

Beautifier$2.prototype.beautify = function() {
  if (this._options.disabled) {
    return this._source_text;
  }

  var source_text = this._source_text;
  var eol = this._options.eol;
  if (eol === 'auto') {
    eol = '\n';
    if (source_text && lineBreak.test(source_text || '')) {
      eol = source_text.match(lineBreak)[0];
    }
  }


  // HACK: newline parsing inconsistent. This brute force normalizes the this._input.
  source_text = source_text.replace(allLineBreaks, '\n');

  // reset
  var baseIndentString = source_text.match(/^[\t ]*/)[0];

  this._output = new Output$2(this._options, baseIndentString);
  this._input = new InputScanner$3(source_text);
  this._indentLevel = 0;
  this._nestedLevel = 0;

  this._ch = null;
  var parenLevel = 0;

  var insideRule = false;
  // This is the value side of a property value pair (blue in the following ex)
  // label { content: blue }
  var insidePropertyValue = false;
  var enteringConditionalGroup = false;
  var insideAtExtend = false;
  var insideAtImport = false;
  var topCharacter = this._ch;
  var whitespace;
  var isAfterSpace;
  var previous_ch;

  while (true) {
    whitespace = this._input.read(whitespacePattern);
    isAfterSpace = whitespace !== '';
    previous_ch = topCharacter;
    this._ch = this._input.next();
    if (this._ch === '\\' && this._input.hasNext()) {
      this._ch += this._input.next();
    }
    topCharacter = this._ch;

    if (!this._ch) {
      break;
    } else if (this._ch === '/' && this._input.peek() === '*') {
      // /* css comment */
      // Always start block comments on a new line.
      // This handles scenarios where a block comment immediately
      // follows a property definition on the same line or where
      // minified code is being beautified.
      this._output.add_new_line();
      this._input.back();

      var comment = this._input.read(block_comment_pattern);

      // Handle ignore directive
      var directives = directives_core$1.get_directives(comment);
      if (directives && directives.ignore === 'start') {
        comment += directives_core$1.readIgnored(this._input);
      }

      this.print_string(comment);

      // Ensures any new lines following the comment are preserved
      this.eatWhitespace(true);

      // Block comments are followed by a new line so they don't
      // share a line with other properties
      this._output.add_new_line();
    } else if (this._ch === '/' && this._input.peek() === '/') {
      // // single line comment
      // Preserves the space before a comment
      // on the same line as a rule
      this._output.space_before_token = true;
      this._input.back();
      this.print_string(this._input.read(comment_pattern));

      // Ensures any new lines following the comment are preserved
      this.eatWhitespace(true);
    } else if (this._ch === '@') {
      this.preserveSingleSpace(isAfterSpace);

      // deal with less propery mixins @{...}
      if (this._input.peek() === '{') {
        this.print_string(this._ch + this.eatString('}'));
      } else {
        this.print_string(this._ch);

        // strip trailing space, if present, for hash property checks
        var variableOrRule = this._input.peekUntilAfter(/[: ,;{}()[\]\/='"]/g);

        if (variableOrRule.match(/[ :]$/)) {
          // we have a variable or pseudo-class, add it and insert one space before continuing
          variableOrRule = this.eatString(": ").replace(/\s$/, '');
          this.print_string(variableOrRule);
          this._output.space_before_token = true;
        }

        variableOrRule = variableOrRule.replace(/\s$/, '');

        if (variableOrRule === 'extend') {
          insideAtExtend = true;
        } else if (variableOrRule === 'import') {
          insideAtImport = true;
        }

        // might be a nesting at-rule
        if (variableOrRule in this.NESTED_AT_RULE) {
          this._nestedLevel += 1;
          if (variableOrRule in this.CONDITIONAL_GROUP_RULE) {
            enteringConditionalGroup = true;
          }
          // might be less variable
        } else if (!insideRule && parenLevel === 0 && variableOrRule.indexOf(':') !== -1) {
          insidePropertyValue = true;
          this.indent();
        }
      }
    } else if (this._ch === '#' && this._input.peek() === '{') {
      this.preserveSingleSpace(isAfterSpace);
      this.print_string(this._ch + this.eatString('}'));
    } else if (this._ch === '{') {
      if (insidePropertyValue) {
        insidePropertyValue = false;
        this.outdent();
      }
      this.indent();
      this._output.space_before_token = true;
      this.print_string(this._ch);

      // when entering conditional groups, only rulesets are allowed
      if (enteringConditionalGroup) {
        enteringConditionalGroup = false;
        insideRule = (this._indentLevel > this._nestedLevel);
      } else {
        // otherwise, declarations are also allowed
        insideRule = (this._indentLevel >= this._nestedLevel);
      }
      if (this._options.newline_between_rules && insideRule) {
        if (this._output.previous_line && this._output.previous_line.item(-1) !== '{') {
          this._output.ensure_empty_line_above('/', ',');
        }
      }
      this.eatWhitespace(true);
      this._output.add_new_line();
    } else if (this._ch === '}') {
      this.outdent();
      this._output.add_new_line();
      if (previous_ch === '{') {
        this._output.trim(true);
      }
      insideAtImport = false;
      insideAtExtend = false;
      if (insidePropertyValue) {
        this.outdent();
        insidePropertyValue = false;
      }
      this.print_string(this._ch);
      insideRule = false;
      if (this._nestedLevel) {
        this._nestedLevel--;
      }

      this.eatWhitespace(true);
      this._output.add_new_line();

      if (this._options.newline_between_rules && !this._output.just_added_blankline()) {
        if (this._input.peek() !== '}') {
          this._output.add_new_line(true);
        }
      }
    } else if (this._ch === ":") {
      if ((insideRule || enteringConditionalGroup) && !(this._input.lookBack("&") || this.foundNestedPseudoClass()) && !this._input.lookBack("(") && !insideAtExtend && parenLevel === 0) {
        // 'property: value' delimiter
        // which could be in a conditional group query
        this.print_string(':');
        if (!insidePropertyValue) {
          insidePropertyValue = true;
          this._output.space_before_token = true;
          this.eatWhitespace(true);
          this.indent();
        }
      } else {
        // sass/less parent reference don't use a space
        // sass nested pseudo-class don't use a space

        // preserve space before pseudoclasses/pseudoelements, as it means "in any child"
        if (this._input.lookBack(" ")) {
          this._output.space_before_token = true;
        }
        if (this._input.peek() === ":") {
          // pseudo-element
          this._ch = this._input.next();
          this.print_string("::");
        } else {
          // pseudo-class
          this.print_string(':');
        }
      }
    } else if (this._ch === '"' || this._ch === '\'') {
      this.preserveSingleSpace(isAfterSpace);
      this.print_string(this._ch + this.eatString(this._ch));
      this.eatWhitespace(true);
    } else if (this._ch === ';') {
      if (parenLevel === 0) {
        if (insidePropertyValue) {
          this.outdent();
          insidePropertyValue = false;
        }
        insideAtExtend = false;
        insideAtImport = false;
        this.print_string(this._ch);
        this.eatWhitespace(true);

        // This maintains single line comments on the same
        // line. Block comments are also affected, but
        // a new line is always output before one inside
        // that section
        if (this._input.peek() !== '/') {
          this._output.add_new_line();
        }
      } else {
        this.print_string(this._ch);
        this.eatWhitespace(true);
        this._output.space_before_token = true;
      }
    } else if (this._ch === '(') { // may be a url
      if (this._input.lookBack("url")) {
        this.print_string(this._ch);
        this.eatWhitespace();
        parenLevel++;
        this.indent();
        this._ch = this._input.next();
        if (this._ch === ')' || this._ch === '"' || this._ch === '\'') {
          this._input.back();
        } else if (this._ch) {
          this.print_string(this._ch + this.eatString(')'));
          if (parenLevel) {
            parenLevel--;
            this.outdent();
          }
        }
      } else {
        this.preserveSingleSpace(isAfterSpace);
        this.print_string(this._ch);
        this.eatWhitespace();
        parenLevel++;
        this.indent();
      }
    } else if (this._ch === ')') {
      if (parenLevel) {
        parenLevel--;
        this.outdent();
      }
      this.print_string(this._ch);
    } else if (this._ch === ',') {
      this.print_string(this._ch);
      this.eatWhitespace(true);
      if (this._options.selector_separator_newline && !insidePropertyValue && parenLevel === 0 && !insideAtImport) {
        this._output.add_new_line();
      } else {
        this._output.space_before_token = true;
      }
    } else if ((this._ch === '>' || this._ch === '+' || this._ch === '~') && !insidePropertyValue && parenLevel === 0) {
      //handle combinator spacing
      if (this._options.space_around_combinator) {
        this._output.space_before_token = true;
        this.print_string(this._ch);
        this._output.space_before_token = true;
      } else {
        this.print_string(this._ch);
        this.eatWhitespace();
        // squash extra whitespace
        if (this._ch && whitespaceChar.test(this._ch)) {
          this._ch = '';
        }
      }
    } else if (this._ch === ']') {
      this.print_string(this._ch);
    } else if (this._ch === '[') {
      this.preserveSingleSpace(isAfterSpace);
      this.print_string(this._ch);
    } else if (this._ch === '=') { // no whitespace before or after
      this.eatWhitespace();
      this.print_string('=');
      if (whitespaceChar.test(this._ch)) {
        this._ch = '';
      }
    } else if (this._ch === '!' && !this._input.lookBack("\\")) { // !important
      this.print_string(' ');
      this.print_string(this._ch);
    } else {
      this.preserveSingleSpace(isAfterSpace);
      this.print_string(this._ch);
    }
  }

  var sweetCode = this._output.get_code(eol);

  return sweetCode;
};

var Beautifier_1$1 = Beautifier$2;

var beautifier$1 = {
	Beautifier: Beautifier_1$1
};

var Beautifier$3 = beautifier$1.Beautifier,
  Options$6 = options$2.Options;

function css_beautify(source_text, options) {
  var beautifier = new Beautifier$3(source_text, options);
  return beautifier.beautify();
}

var css = css_beautify;
var defaultOptions$1$1 = function() {
  return new Options$6();
};
css.defaultOptions = defaultOptions$1$1;

var BaseOptions$2 = options.Options;

function Options$7(options) {
  BaseOptions$2.call(this, options, 'html');
  if (this.templating.length === 1 && this.templating[0] === 'auto') {
    this.templating = ['django', 'erb', 'handlebars', 'php'];
  }

  this.indent_inner_html = this._get_boolean('indent_inner_html');
  this.indent_body_inner_html = this._get_boolean('indent_body_inner_html', true);
  this.indent_head_inner_html = this._get_boolean('indent_head_inner_html', true);

  this.indent_handlebars = this._get_boolean('indent_handlebars', true);
  this.wrap_attributes = this._get_selection('wrap_attributes',
    ['auto', 'force', 'force-aligned', 'force-expand-multiline', 'aligned-multiple', 'preserve', 'preserve-aligned']);
  this.wrap_attributes_indent_size = this._get_number('wrap_attributes_indent_size', this.indent_size);
  this.extra_liners = this._get_array('extra_liners', ['head', 'body', '/html']);

  // Block vs inline elements
  // https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
  // https://developer.mozilla.org/en-US/docs/Web/HTML/Inline_elements
  // https://www.w3.org/TR/html5/dom.html#phrasing-content
  this.inline = this._get_array('inline', [
    'a', 'abbr', 'area', 'audio', 'b', 'bdi', 'bdo', 'br', 'button', 'canvas', 'cite',
    'code', 'data', 'datalist', 'del', 'dfn', 'em', 'embed', 'i', 'iframe', 'img',
    'input', 'ins', 'kbd', 'keygen', 'label', 'map', 'mark', 'math', 'meter', 'noscript',
    'object', 'output', 'progress', 'q', 'ruby', 's', 'samp', /* 'script', */ 'select', 'small',
    'span', 'strong', 'sub', 'sup', 'svg', 'template', 'textarea', 'time', 'u', 'var',
    'video', 'wbr', 'text',
    // obsolete inline tags
    'acronym', 'big', 'strike', 'tt'
  ]);
  this.void_elements = this._get_array('void_elements', [
    // HTLM void elements - aka self-closing tags - aka singletons
    // https://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements
    'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen',
    'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr',
    // NOTE: Optional tags are too complex for a simple list
    // they are hard coded in _do_optional_end_element

    // Doctype and xml elements
    '!doctype', '?xml',

    // obsolete tags
    // basefont: https://www.computerhope.com/jargon/h/html-basefont-tag.htm
    // isndex: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/isindex
    'basefont', 'isindex'
  ]);
  this.unformatted = this._get_array('unformatted', []);
  this.content_unformatted = this._get_array('content_unformatted', [
    'pre', 'textarea'
  ]);
  this.unformatted_content_delimiter = this._get_characters('unformatted_content_delimiter');
  this.indent_scripts = this._get_selection('indent_scripts', ['normal', 'keep', 'separate']);

}
Options$7.prototype = new BaseOptions$2();



var Options_1$3 = Options$7;

var options$3 = {
	Options: Options_1$3
};

var BaseTokenizer$1 = tokenizer.Tokenizer;
var BASETOKEN$1 = tokenizer.TOKEN;
var Directives$3 = directives.Directives;
var TemplatablePattern$2 = templatablepattern.TemplatablePattern;
var Pattern$4 = pattern.Pattern;

var TOKEN$3 = {
  TAG_OPEN: 'TK_TAG_OPEN',
  TAG_CLOSE: 'TK_TAG_CLOSE',
  ATTRIBUTE: 'TK_ATTRIBUTE',
  EQUALS: 'TK_EQUALS',
  VALUE: 'TK_VALUE',
  COMMENT: 'TK_COMMENT',
  TEXT: 'TK_TEXT',
  UNKNOWN: 'TK_UNKNOWN',
  START: BASETOKEN$1.START,
  RAW: BASETOKEN$1.RAW,
  EOF: BASETOKEN$1.EOF
};

var directives_core$2 = new Directives$3(/<\!--/, /-->/);

var Tokenizer$3 = function(input_string, options) {
  BaseTokenizer$1.call(this, input_string, options);
  this._current_tag_name = '';

  // Words end at whitespace or when a tag starts
  // if we are indenting handlebars, they are considered tags
  var templatable_reader = new TemplatablePattern$2(this._input).read_options(this._options);
  var pattern_reader = new Pattern$4(this._input);

  this.__patterns = {
    word: templatable_reader.until(/[\n\r\t <]/),
    single_quote: templatable_reader.until_after(/'/),
    double_quote: templatable_reader.until_after(/"/),
    attribute: templatable_reader.until(/[\n\r\t =\/>]/),
    element_name: templatable_reader.until(/[\n\r\t >\/]/),

    handlebars_comment: pattern_reader.starting_with(/{{!--/).until_after(/--}}/),
    handlebars: pattern_reader.starting_with(/{{/).until_after(/}}/),
    handlebars_open: pattern_reader.until(/[\n\r\t }]/),
    handlebars_raw_close: pattern_reader.until(/}}/),
    comment: pattern_reader.starting_with(/<!--/).until_after(/-->/),
    cdata: pattern_reader.starting_with(/<!\[cdata\[/).until_after(/]]>/),
    // https://en.wikipedia.org/wiki/Conditional_comment
    conditional_comment: pattern_reader.starting_with(/<!\[/).until_after(/]>/),
    processing: pattern_reader.starting_with(/<\?/).until_after(/\?>/)
  };

  if (this._options.indent_handlebars) {
    this.__patterns.word = this.__patterns.word.exclude('handlebars');
  }

  this._unformatted_content_delimiter = null;

  if (this._options.unformatted_content_delimiter) {
    var literal_regexp = this._input.get_literal_regexp(this._options.unformatted_content_delimiter);
    this.__patterns.unformatted_content_delimiter =
      pattern_reader.matching(literal_regexp)
      .until_after(literal_regexp);
  }
};
Tokenizer$3.prototype = new BaseTokenizer$1();

Tokenizer$3.prototype._is_comment = function(current_token) { // jshint unused:false
  return false; //current_token.type === TOKEN.COMMENT || current_token.type === TOKEN.UNKNOWN;
};

Tokenizer$3.prototype._is_opening = function(current_token) {
  return current_token.type === TOKEN$3.TAG_OPEN;
};

Tokenizer$3.prototype._is_closing = function(current_token, open_token) {
  return current_token.type === TOKEN$3.TAG_CLOSE &&
    (open_token && (
      ((current_token.text === '>' || current_token.text === '/>') && open_token.text[0] === '<') ||
      (current_token.text === '}}' && open_token.text[0] === '{' && open_token.text[1] === '{')));
};

Tokenizer$3.prototype._reset = function() {
  this._current_tag_name = '';
};

Tokenizer$3.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
  var token = null;
  this._readWhitespace();
  var c = this._input.peek();

  if (c === null) {
    return this._create_token(TOKEN$3.EOF, '');
  }

  token = token || this._read_open_handlebars(c, open_token);
  token = token || this._read_attribute(c, previous_token, open_token);
  token = token || this._read_raw_content(c, previous_token, open_token);
  token = token || this._read_close(c, open_token);
  token = token || this._read_content_word(c);
  token = token || this._read_comment(c);
  token = token || this._read_open(c, open_token);
  token = token || this._create_token(TOKEN$3.UNKNOWN, this._input.next());

  return token;
};

Tokenizer$3.prototype._read_comment = function(c) { // jshint unused:false
  var token = null;
  var resulting_string = null;
  var directives = null;

  if (c === '<') {
    var peek1 = this._input.peek(1);
    //if we're in a comment, do something special
    // We treat all comments as literals, even more than preformatted tags
    // we just look for the appropriate close tag
    if (c === '<' && (peek1 === '!' || peek1 === '?')) {
      resulting_string = this.__patterns.comment.read();

      // only process directive on html comments
      if (resulting_string) {
        directives = directives_core$2.get_directives(resulting_string);
        if (directives && directives.ignore === 'start') {
          resulting_string += directives_core$2.readIgnored(this._input);
        }
      } else {
        resulting_string = this.__patterns.cdata.read();
        resulting_string = resulting_string || this.__patterns.conditional_comment.read();
        resulting_string = resulting_string || this.__patterns.processing.read();
      }
    }

    if (resulting_string) {
      token = this._create_token(TOKEN$3.COMMENT, resulting_string);
      token.directives = directives;
    }
  }

  return token;
};

Tokenizer$3.prototype._read_open = function(c, open_token) {
  var resulting_string = null;
  var token = null;
  if (!open_token) {
    if (c === '<') {

      resulting_string = this._input.next();
      if (this._input.peek() === '/') {
        resulting_string += this._input.next();
      }
      resulting_string += this.__patterns.element_name.read();
      token = this._create_token(TOKEN$3.TAG_OPEN, resulting_string);
    }
  }
  return token;
};

Tokenizer$3.prototype._read_open_handlebars = function(c, open_token) {
  var resulting_string = null;
  var token = null;
  if (!open_token) {
    if (this._options.indent_handlebars && c === '{' && this._input.peek(1) === '{') {
      if (this._input.peek(2) === '!') {
        resulting_string = this.__patterns.handlebars_comment.read();
        resulting_string = resulting_string || this.__patterns.handlebars.read();
        token = this._create_token(TOKEN$3.COMMENT, resulting_string);
      } else {
        resulting_string = this.__patterns.handlebars_open.read();
        token = this._create_token(TOKEN$3.TAG_OPEN, resulting_string);
      }
    }
  }
  return token;
};


Tokenizer$3.prototype._read_close = function(c, open_token) {
  var resulting_string = null;
  var token = null;
  if (open_token) {
    if (open_token.text[0] === '<' && (c === '>' || (c === '/' && this._input.peek(1) === '>'))) {
      resulting_string = this._input.next();
      if (c === '/') { //  for close tag "/>"
        resulting_string += this._input.next();
      }
      token = this._create_token(TOKEN$3.TAG_CLOSE, resulting_string);
    } else if (open_token.text[0] === '{' && c === '}' && this._input.peek(1) === '}') {
      this._input.next();
      this._input.next();
      token = this._create_token(TOKEN$3.TAG_CLOSE, '}}');
    }
  }

  return token;
};

Tokenizer$3.prototype._read_attribute = function(c, previous_token, open_token) {
  var token = null;
  var resulting_string = '';
  if (open_token && open_token.text[0] === '<') {

    if (c === '=') {
      token = this._create_token(TOKEN$3.EQUALS, this._input.next());
    } else if (c === '"' || c === "'") {
      var content = this._input.next();
      if (c === '"') {
        content += this.__patterns.double_quote.read();
      } else {
        content += this.__patterns.single_quote.read();
      }
      token = this._create_token(TOKEN$3.VALUE, content);
    } else {
      resulting_string = this.__patterns.attribute.read();

      if (resulting_string) {
        if (previous_token.type === TOKEN$3.EQUALS) {
          token = this._create_token(TOKEN$3.VALUE, resulting_string);
        } else {
          token = this._create_token(TOKEN$3.ATTRIBUTE, resulting_string);
        }
      }
    }
  }
  return token;
};

Tokenizer$3.prototype._is_content_unformatted = function(tag_name) {
  // void_elements have no content and so cannot have unformatted content
  // script and style tags should always be read as unformatted content
  // finally content_unformatted and unformatted element contents are unformatted
  return this._options.void_elements.indexOf(tag_name) === -1 &&
    (this._options.content_unformatted.indexOf(tag_name) !== -1 ||
      this._options.unformatted.indexOf(tag_name) !== -1);
};


Tokenizer$3.prototype._read_raw_content = function(c, previous_token, open_token) { // jshint unused:false
  var resulting_string = '';
  if (open_token && open_token.text[0] === '{') {
    resulting_string = this.__patterns.handlebars_raw_close.read();
  } else if (previous_token.type === TOKEN$3.TAG_CLOSE && (previous_token.opened.text[0] === '<')) {
    var tag_name = previous_token.opened.text.substr(1).toLowerCase();
    if (tag_name === 'script' || tag_name === 'style') {
      // Script and style tags are allowed to have comments wrapping their content
      // or just have regular content.
      var token = this._read_comment(c);
      if (token) {
        token.type = TOKEN$3.TEXT;
        return token;
      }
      resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
    } else if (this._is_content_unformatted(tag_name)) {
      resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
    }
  }

  if (resulting_string) {
    return this._create_token(TOKEN$3.TEXT, resulting_string);
  }

  return null;
};

Tokenizer$3.prototype._read_content_word = function(c) {
  var resulting_string = '';
  if (this._options.unformatted_content_delimiter) {
    if (c === this._options.unformatted_content_delimiter[0]) {
      resulting_string = this.__patterns.unformatted_content_delimiter.read();
    }
  }

  if (!resulting_string) {
    resulting_string = this.__patterns.word.read();
  }
  if (resulting_string) {
    return this._create_token(TOKEN$3.TEXT, resulting_string);
  }
};

var Tokenizer_1$2 = Tokenizer$3;
var TOKEN_1$2 = TOKEN$3;

var tokenizer$2 = {
	Tokenizer: Tokenizer_1$2,
	TOKEN: TOKEN_1$2
};

var Options$8 = options$3.Options;
var Output$3 = output.Output;
var Tokenizer$4 = tokenizer$2.Tokenizer;
var TOKEN$4 = tokenizer$2.TOKEN;

var lineBreak$1 = /\r\n|[\r\n]/;
var allLineBreaks$1 = /\r\n|[\r\n]/g;

var Printer = function(options, base_indent_string) { //handles input/output and some other printing functions

  this.indent_level = 0;
  this.alignment_size = 0;
  this.max_preserve_newlines = options.max_preserve_newlines;
  this.preserve_newlines = options.preserve_newlines;

  this._output = new Output$3(options, base_indent_string);

};

Printer.prototype.current_line_has_match = function(pattern) {
  return this._output.current_line.has_match(pattern);
};

Printer.prototype.set_space_before_token = function(value, non_breaking) {
  this._output.space_before_token = value;
  this._output.non_breaking_space = non_breaking;
};

Printer.prototype.set_wrap_point = function() {
  this._output.set_indent(this.indent_level, this.alignment_size);
  this._output.set_wrap_point();
};


Printer.prototype.add_raw_token = function(token) {
  this._output.add_raw_token(token);
};

Printer.prototype.print_preserved_newlines = function(raw_token) {
  var newlines = 0;
  if (raw_token.type !== TOKEN$4.TEXT && raw_token.previous.type !== TOKEN$4.TEXT) {
    newlines = raw_token.newlines ? 1 : 0;
  }

  if (this.preserve_newlines) {
    newlines = raw_token.newlines < this.max_preserve_newlines + 1 ? raw_token.newlines : this.max_preserve_newlines + 1;
  }
  for (var n = 0; n < newlines; n++) {
    this.print_newline(n > 0);
  }

  return newlines !== 0;
};

Printer.prototype.traverse_whitespace = function(raw_token) {
  if (raw_token.whitespace_before || raw_token.newlines) {
    if (!this.print_preserved_newlines(raw_token)) {
      this._output.space_before_token = true;
    }
    return true;
  }
  return false;
};

Printer.prototype.previous_token_wrapped = function() {
  return this._output.previous_token_wrapped;
};

Printer.prototype.print_newline = function(force) {
  this._output.add_new_line(force);
};

Printer.prototype.print_token = function(token) {
  if (token.text) {
    this._output.set_indent(this.indent_level, this.alignment_size);
    this._output.add_token(token.text);
  }
};

Printer.prototype.indent = function() {
  this.indent_level++;
};

Printer.prototype.get_full_indent = function(level) {
  level = this.indent_level + (level || 0);
  if (level < 1) {
    return '';
  }

  return this._output.get_indent_string(level);
};

var get_type_attribute = function(start_token) {
  var result = null;
  var raw_token = start_token.next;

  // Search attributes for a type attribute
  while (raw_token.type !== TOKEN$4.EOF && start_token.closed !== raw_token) {
    if (raw_token.type === TOKEN$4.ATTRIBUTE && raw_token.text === 'type') {
      if (raw_token.next && raw_token.next.type === TOKEN$4.EQUALS &&
        raw_token.next.next && raw_token.next.next.type === TOKEN$4.VALUE) {
        result = raw_token.next.next.text;
      }
      break;
    }
    raw_token = raw_token.next;
  }

  return result;
};

var get_custom_beautifier_name = function(tag_check, raw_token) {
  var typeAttribute = null;
  var result = null;

  if (!raw_token.closed) {
    return null;
  }

  if (tag_check === 'script') {
    typeAttribute = 'text/javascript';
  } else if (tag_check === 'style') {
    typeAttribute = 'text/css';
  }

  typeAttribute = get_type_attribute(raw_token) || typeAttribute;

  // For script and style tags that have a type attribute, only enable custom beautifiers for matching values
  // For those without a type attribute use default;
  if (typeAttribute.search('text/css') > -1) {
    result = 'css';
  } else if (typeAttribute.search(/(text|application|dojo)\/(x-)?(javascript|ecmascript|jscript|livescript|(ld\+)?json|method|aspect)/) > -1) {
    result = 'javascript';
  } else if (typeAttribute.search(/(text|application|dojo)\/(x-)?(html)/) > -1) {
    result = 'html';
  } else if (typeAttribute.search(/test\/null/) > -1) {
    // Test only mime-type for testing the beautifier when null is passed as beautifing function
    result = 'null';
  }

  return result;
};

function in_array$2(what, arr) {
  return arr.indexOf(what) !== -1;
}

function TagFrame(parent, parser_token, indent_level) {
  this.parent = parent || null;
  this.tag = parser_token ? parser_token.tag_name : '';
  this.indent_level = indent_level || 0;
  this.parser_token = parser_token || null;
}

function TagStack(printer) {
  this._printer = printer;
  this._current_frame = null;
}

TagStack.prototype.get_parser_token = function() {
  return this._current_frame ? this._current_frame.parser_token : null;
};

TagStack.prototype.record_tag = function(parser_token) { //function to record a tag and its parent in this.tags Object
  var new_frame = new TagFrame(this._current_frame, parser_token, this._printer.indent_level);
  this._current_frame = new_frame;
};

TagStack.prototype._try_pop_frame = function(frame) { //function to retrieve the opening tag to the corresponding closer
  var parser_token = null;

  if (frame) {
    parser_token = frame.parser_token;
    this._printer.indent_level = frame.indent_level;
    this._current_frame = frame.parent;
  }

  return parser_token;
};

TagStack.prototype._get_frame = function(tag_list, stop_list) { //function to retrieve the opening tag to the corresponding closer
  var frame = this._current_frame;

  while (frame) { //till we reach '' (the initial value);
    if (tag_list.indexOf(frame.tag) !== -1) { //if this is it use it
      break;
    } else if (stop_list && stop_list.indexOf(frame.tag) !== -1) {
      frame = null;
      break;
    }
    frame = frame.parent;
  }

  return frame;
};

TagStack.prototype.try_pop = function(tag, stop_list) { //function to retrieve the opening tag to the corresponding closer
  var frame = this._get_frame([tag], stop_list);
  return this._try_pop_frame(frame);
};

TagStack.prototype.indent_to_tag = function(tag_list) {
  var frame = this._get_frame(tag_list);
  if (frame) {
    this._printer.indent_level = frame.indent_level;
  }
};

function Beautifier$4(source_text, options, js_beautify, css_beautify) {
  //Wrapper function to invoke all the necessary constructors and deal with the output.
  this._source_text = source_text || '';
  options = options || {};
  this._js_beautify = js_beautify;
  this._css_beautify = css_beautify;
  this._tag_stack = null;

  // Allow the setting of language/file-type specific options
  // with inheritance of overall settings
  var optionHtml = new Options$8(options, 'html');

  this._options = optionHtml;

  this._is_wrap_attributes_force = this._options.wrap_attributes.substr(0, 'force'.length) === 'force';
  this._is_wrap_attributes_force_expand_multiline = (this._options.wrap_attributes === 'force-expand-multiline');
  this._is_wrap_attributes_force_aligned = (this._options.wrap_attributes === 'force-aligned');
  this._is_wrap_attributes_aligned_multiple = (this._options.wrap_attributes === 'aligned-multiple');
  this._is_wrap_attributes_preserve = this._options.wrap_attributes.substr(0, 'preserve'.length) === 'preserve';
  this._is_wrap_attributes_preserve_aligned = (this._options.wrap_attributes === 'preserve-aligned');
}

Beautifier$4.prototype.beautify = function() {

  // if disabled, return the input unchanged.
  if (this._options.disabled) {
    return this._source_text;
  }

  var source_text = this._source_text;
  var eol = this._options.eol;
  if (this._options.eol === 'auto') {
    eol = '\n';
    if (source_text && lineBreak$1.test(source_text)) {
      eol = source_text.match(lineBreak$1)[0];
    }
  }

  // HACK: newline parsing inconsistent. This brute force normalizes the input.
  source_text = source_text.replace(allLineBreaks$1, '\n');

  var baseIndentString = source_text.match(/^[\t ]*/)[0];

  var last_token = {
    text: '',
    type: ''
  };

  var last_tag_token = new TagOpenParserToken();

  var printer = new Printer(this._options, baseIndentString);
  var tokens = new Tokenizer$4(source_text, this._options).tokenize();

  this._tag_stack = new TagStack(printer);

  var parser_token = null;
  var raw_token = tokens.next();
  while (raw_token.type !== TOKEN$4.EOF) {

    if (raw_token.type === TOKEN$4.TAG_OPEN || raw_token.type === TOKEN$4.COMMENT) {
      parser_token = this._handle_tag_open(printer, raw_token, last_tag_token, last_token);
      last_tag_token = parser_token;
    } else if ((raw_token.type === TOKEN$4.ATTRIBUTE || raw_token.type === TOKEN$4.EQUALS || raw_token.type === TOKEN$4.VALUE) ||
      (raw_token.type === TOKEN$4.TEXT && !last_tag_token.tag_complete)) {
      parser_token = this._handle_inside_tag(printer, raw_token, last_tag_token, tokens);
    } else if (raw_token.type === TOKEN$4.TAG_CLOSE) {
      parser_token = this._handle_tag_close(printer, raw_token, last_tag_token);
    } else if (raw_token.type === TOKEN$4.TEXT) {
      parser_token = this._handle_text(printer, raw_token, last_tag_token);
    } else {
      // This should never happen, but if it does. Print the raw token
      printer.add_raw_token(raw_token);
    }

    last_token = parser_token;

    raw_token = tokens.next();
  }
  var sweet_code = printer._output.get_code(eol);

  return sweet_code;
};

Beautifier$4.prototype._handle_tag_close = function(printer, raw_token, last_tag_token) {
  var parser_token = {
    text: raw_token.text,
    type: raw_token.type
  };
  printer.alignment_size = 0;
  last_tag_token.tag_complete = true;

  printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
  if (last_tag_token.is_unformatted) {
    printer.add_raw_token(raw_token);
  } else {
    if (last_tag_token.tag_start_char === '<') {
      printer.set_space_before_token(raw_token.text[0] === '/', true); // space before />, no space before >
      if (this._is_wrap_attributes_force_expand_multiline && last_tag_token.has_wrapped_attrs) {
        printer.print_newline(false);
      }
    }
    printer.print_token(raw_token);

  }

  if (last_tag_token.indent_content &&
    !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
    printer.indent();

    // only indent once per opened tag
    last_tag_token.indent_content = false;
  }

  if (!last_tag_token.is_inline_element &&
    !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
    printer.set_wrap_point();
  }

  return parser_token;
};

Beautifier$4.prototype._handle_inside_tag = function(printer, raw_token, last_tag_token, tokens) {
  var wrapped = last_tag_token.has_wrapped_attrs;
  var parser_token = {
    text: raw_token.text,
    type: raw_token.type
  };

  printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
  if (last_tag_token.is_unformatted) {
    printer.add_raw_token(raw_token);
  } else if (last_tag_token.tag_start_char === '{' && raw_token.type === TOKEN$4.TEXT) {
    // For the insides of handlebars allow newlines or a single space between open and contents
    if (printer.print_preserved_newlines(raw_token)) {
      raw_token.newlines = 0;
      printer.add_raw_token(raw_token);
    } else {
      printer.print_token(raw_token);
    }
  } else {
    if (raw_token.type === TOKEN$4.ATTRIBUTE) {
      printer.set_space_before_token(true);
      last_tag_token.attr_count += 1;
    } else if (raw_token.type === TOKEN$4.EQUALS) { //no space before =
      printer.set_space_before_token(false);
    } else if (raw_token.type === TOKEN$4.VALUE && raw_token.previous.type === TOKEN$4.EQUALS) { //no space before value
      printer.set_space_before_token(false);
    }

    if (raw_token.type === TOKEN$4.ATTRIBUTE && last_tag_token.tag_start_char === '<') {
      if (this._is_wrap_attributes_preserve || this._is_wrap_attributes_preserve_aligned) {
        printer.traverse_whitespace(raw_token);
        wrapped = wrapped || raw_token.newlines !== 0;
      }


      if (this._is_wrap_attributes_force) {
        var force_attr_wrap = last_tag_token.attr_count > 1;
        if (this._is_wrap_attributes_force_expand_multiline && last_tag_token.attr_count === 1) {
          var is_only_attribute = true;
          var peek_index = 0;
          var peek_token;
          do {
            peek_token = tokens.peek(peek_index);
            if (peek_token.type === TOKEN$4.ATTRIBUTE) {
              is_only_attribute = false;
              break;
            }
            peek_index += 1;
          } while (peek_index < 4 && peek_token.type !== TOKEN$4.EOF && peek_token.type !== TOKEN$4.TAG_CLOSE);

          force_attr_wrap = !is_only_attribute;
        }

        if (force_attr_wrap) {
          printer.print_newline(false);
          wrapped = true;
        }
      }
    }
    printer.print_token(raw_token);
    wrapped = wrapped || printer.previous_token_wrapped();
    last_tag_token.has_wrapped_attrs = wrapped;
  }
  return parser_token;
};

Beautifier$4.prototype._handle_text = function(printer, raw_token, last_tag_token) {
  var parser_token = {
    text: raw_token.text,
    type: 'TK_CONTENT'
  };
  if (last_tag_token.custom_beautifier_name) { //check if we need to format javascript
    this._print_custom_beatifier_text(printer, raw_token, last_tag_token);
  } else if (last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) {
    printer.add_raw_token(raw_token);
  } else {
    printer.traverse_whitespace(raw_token);
    printer.print_token(raw_token);
  }
  return parser_token;
};

Beautifier$4.prototype._print_custom_beatifier_text = function(printer, raw_token, last_tag_token) {
  var local = this;
  if (raw_token.text !== '') {

    var text = raw_token.text,
      _beautifier,
      script_indent_level = 1,
      pre = '',
      post = '';
    if (last_tag_token.custom_beautifier_name === 'javascript' && typeof this._js_beautify === 'function') {
      _beautifier = this._js_beautify;
    } else if (last_tag_token.custom_beautifier_name === 'css' && typeof this._css_beautify === 'function') {
      _beautifier = this._css_beautify;
    } else if (last_tag_token.custom_beautifier_name === 'html') {
      _beautifier = function(html_source, options) {
        var beautifier = new Beautifier$4(html_source, options, local._js_beautify, local._css_beautify);
        return beautifier.beautify();
      };
    }

    if (this._options.indent_scripts === "keep") {
      script_indent_level = 0;
    } else if (this._options.indent_scripts === "separate") {
      script_indent_level = -printer.indent_level;
    }

    var indentation = printer.get_full_indent(script_indent_level);

    // if there is at least one empty line at the end of this text, strip it
    // we'll be adding one back after the text but before the containing tag.
    text = text.replace(/\n[ \t]*$/, '');

    // Handle the case where content is wrapped in a comment or cdata.
    if (last_tag_token.custom_beautifier_name !== 'html' &&
      text[0] === '<' && text.match(/^(<!--|<!\[CDATA\[)/)) {
      var matched = /^(<!--[^\n]*|<!\[CDATA\[)(\n?)([ \t\n]*)([\s\S]*)(-->|]]>)$/.exec(text);

      // if we start to wrap but don't finish, print raw
      if (!matched) {
        printer.add_raw_token(raw_token);
        return;
      }

      pre = indentation + matched[1] + '\n';
      text = matched[4];
      if (matched[5]) {
        post = indentation + matched[5];
      }

      // if there is at least one empty line at the end of this text, strip it
      // we'll be adding one back after the text but before the containing tag.
      text = text.replace(/\n[ \t]*$/, '');

      if (matched[2] || matched[3].indexOf('\n') !== -1) {
        // if the first line of the non-comment text has spaces
        // use that as the basis for indenting in null case.
        matched = matched[3].match(/[ \t]+$/);
        if (matched) {
          raw_token.whitespace_before = matched[0];
        }
      }
    }

    if (text) {
      if (_beautifier) {

        // call the Beautifier if avaliable
        var Child_options = function() {
          this.eol = '\n';
        };
        Child_options.prototype = this._options.raw_options;
        var child_options = new Child_options();
        text = _beautifier(indentation + text, child_options);
      } else {
        // simply indent the string otherwise
        var white = raw_token.whitespace_before;
        if (white) {
          text = text.replace(new RegExp('\n(' + white + ')?', 'g'), '\n');
        }

        text = indentation + text.replace(/\n/g, '\n' + indentation);
      }
    }

    if (pre) {
      if (!text) {
        text = pre + post;
      } else {
        text = pre + text + '\n' + post;
      }
    }

    printer.print_newline(false);
    if (text) {
      raw_token.text = text;
      raw_token.whitespace_before = '';
      raw_token.newlines = 0;
      printer.add_raw_token(raw_token);
      printer.print_newline(true);
    }
  }
};

Beautifier$4.prototype._handle_tag_open = function(printer, raw_token, last_tag_token, last_token) {
  var parser_token = this._get_tag_open_token(raw_token);

  if ((last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) &&
    raw_token.type === TOKEN$4.TAG_OPEN && raw_token.text.indexOf('</') === 0) {
    // End element tags for unformatted or content_unformatted elements
    // are printed raw to keep any newlines inside them exactly the same.
    printer.add_raw_token(raw_token);
  } else {
    printer.traverse_whitespace(raw_token);
    this._set_tag_position(printer, raw_token, parser_token, last_tag_token, last_token);
    if (!parser_token.is_inline_element) {
      printer.set_wrap_point();
    }
    printer.print_token(raw_token);
  }

  //indent attributes an auto, forced, aligned or forced-align line-wrap
  if (this._is_wrap_attributes_force_aligned || this._is_wrap_attributes_aligned_multiple || this._is_wrap_attributes_preserve_aligned) {
    parser_token.alignment_size = raw_token.text.length + 1;
  }

  if (!parser_token.tag_complete && !parser_token.is_unformatted) {
    printer.alignment_size = parser_token.alignment_size;
  }

  return parser_token;
};

var TagOpenParserToken = function(parent, raw_token) {
  this.parent = parent || null;
  this.text = '';
  this.type = 'TK_TAG_OPEN';
  this.tag_name = '';
  this.is_inline_element = false;
  this.is_unformatted = false;
  this.is_content_unformatted = false;
  this.is_empty_element = false;
  this.is_start_tag = false;
  this.is_end_tag = false;
  this.indent_content = false;
  this.multiline_content = false;
  this.custom_beautifier_name = null;
  this.start_tag_token = null;
  this.attr_count = 0;
  this.has_wrapped_attrs = false;
  this.alignment_size = 0;
  this.tag_complete = false;
  this.tag_start_char = '';
  this.tag_check = '';

  if (!raw_token) {
    this.tag_complete = true;
  } else {
    var tag_check_match;

    this.tag_start_char = raw_token.text[0];
    this.text = raw_token.text;

    if (this.tag_start_char === '<') {
      tag_check_match = raw_token.text.match(/^<([^\s>]*)/);
      this.tag_check = tag_check_match ? tag_check_match[1] : '';
    } else {
      tag_check_match = raw_token.text.match(/^{{[#\^]?([^\s}]+)/);
      this.tag_check = tag_check_match ? tag_check_match[1] : '';
    }
    this.tag_check = this.tag_check.toLowerCase();

    if (raw_token.type === TOKEN$4.COMMENT) {
      this.tag_complete = true;
    }

    this.is_start_tag = this.tag_check.charAt(0) !== '/';
    this.tag_name = !this.is_start_tag ? this.tag_check.substr(1) : this.tag_check;
    this.is_end_tag = !this.is_start_tag ||
      (raw_token.closed && raw_token.closed.text === '/>');

    // handlebars tags that don't start with # or ^ are single_tags, and so also start and end.
    this.is_end_tag = this.is_end_tag ||
      (this.tag_start_char === '{' && (this.text.length < 3 || (/[^#\^]/.test(this.text.charAt(2)))));
  }
};

Beautifier$4.prototype._get_tag_open_token = function(raw_token) { //function to get a full tag and parse its type
  var parser_token = new TagOpenParserToken(this._tag_stack.get_parser_token(), raw_token);

  parser_token.alignment_size = this._options.wrap_attributes_indent_size;

  parser_token.is_end_tag = parser_token.is_end_tag ||
    in_array$2(parser_token.tag_check, this._options.void_elements);

  parser_token.is_empty_element = parser_token.tag_complete ||
    (parser_token.is_start_tag && parser_token.is_end_tag);

  parser_token.is_unformatted = !parser_token.tag_complete && in_array$2(parser_token.tag_check, this._options.unformatted);
  parser_token.is_content_unformatted = !parser_token.is_empty_element && in_array$2(parser_token.tag_check, this._options.content_unformatted);
  parser_token.is_inline_element = in_array$2(parser_token.tag_name, this._options.inline) || parser_token.tag_start_char === '{';

  return parser_token;
};

Beautifier$4.prototype._set_tag_position = function(printer, raw_token, parser_token, last_tag_token, last_token) {

  if (!parser_token.is_empty_element) {
    if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
      parser_token.start_tag_token = this._tag_stack.try_pop(parser_token.tag_name); //remove it and all ancestors
    } else { // it's a start-tag
      // check if this tag is starting an element that has optional end element
      // and do an ending needed
      if (this._do_optional_end_element(parser_token)) {
        if (!parser_token.is_inline_element) {
          if (parser_token.parent) {
            parser_token.parent.multiline_content = true;
          }
          printer.print_newline(false);
        }

      }

      this._tag_stack.record_tag(parser_token); //push it on the tag stack

      if ((parser_token.tag_name === 'script' || parser_token.tag_name === 'style') &&
        !(parser_token.is_unformatted || parser_token.is_content_unformatted)) {
        parser_token.custom_beautifier_name = get_custom_beautifier_name(parser_token.tag_check, raw_token);
      }
    }
  }

  if (in_array$2(parser_token.tag_check, this._options.extra_liners)) { //check if this double needs an extra line
    printer.print_newline(false);
    if (!printer._output.just_added_blankline()) {
      printer.print_newline(true);
    }
  }

  if (parser_token.is_empty_element) { //if this tag name is a single tag type (either in the list or has a closing /)

    // if you hit an else case, reset the indent level if you are inside an:
    // 'if', 'unless', or 'each' block.
    if (parser_token.tag_start_char === '{' && parser_token.tag_check === 'else') {
      this._tag_stack.indent_to_tag(['if', 'unless', 'each']);
      parser_token.indent_content = true;
      // Don't add a newline if opening {{#if}} tag is on the current line
      var foundIfOnCurrentLine = printer.current_line_has_match(/{{#if/);
      if (!foundIfOnCurrentLine) {
        printer.print_newline(false);
      }
    }

    // Don't add a newline before elements that should remain where they are.
    if (parser_token.tag_name === '!--' && last_token.type === TOKEN$4.TAG_CLOSE &&
      last_tag_token.is_end_tag && parser_token.text.indexOf('\n') === -1) ; else if (!parser_token.is_inline_element && !parser_token.is_unformatted) {
      printer.print_newline(false);
    }
  } else if (parser_token.is_unformatted || parser_token.is_content_unformatted) {
    if (!parser_token.is_inline_element && !parser_token.is_unformatted) {
      printer.print_newline(false);
    }
  } else if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
    if ((parser_token.start_tag_token && parser_token.start_tag_token.multiline_content) ||
      !(parser_token.is_inline_element ||
        (last_tag_token.is_inline_element) ||
        (last_token.type === TOKEN$4.TAG_CLOSE &&
          parser_token.start_tag_token === last_tag_token) ||
        (last_token.type === 'TK_CONTENT')
      )) {
      printer.print_newline(false);
    }
  } else { // it's a start-tag
    parser_token.indent_content = !parser_token.custom_beautifier_name;

    if (parser_token.tag_start_char === '<') {
      if (parser_token.tag_name === 'html') {
        parser_token.indent_content = this._options.indent_inner_html;
      } else if (parser_token.tag_name === 'head') {
        parser_token.indent_content = this._options.indent_head_inner_html;
      } else if (parser_token.tag_name === 'body') {
        parser_token.indent_content = this._options.indent_body_inner_html;
      }
    }

    if (!parser_token.is_inline_element && last_token.type !== 'TK_CONTENT') {
      if (parser_token.parent) {
        parser_token.parent.multiline_content = true;
      }
      printer.print_newline(false);
    }
  }
};

//To be used for <p> tag special case:
//var p_closers = ['address', 'article', 'aside', 'blockquote', 'details', 'div', 'dl', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'main', 'nav', 'ol', 'p', 'pre', 'section', 'table', 'ul'];

Beautifier$4.prototype._do_optional_end_element = function(parser_token) {
  var result = null;
  // NOTE: cases of "if there is no more content in the parent element"
  // are handled automatically by the beautifier.
  // It assumes parent or ancestor close tag closes all children.
  // https://www.w3.org/TR/html5/syntax.html#optional-tags
  if (parser_token.is_empty_element || !parser_token.is_start_tag || !parser_token.parent) {
    return;

  } else if (parser_token.tag_name === 'body') {
    // A head element’s end tag may be omitted if the head element is not immediately followed by a space character or a comment.
    result = result || this._tag_stack.try_pop('head');

    //} else if (parser_token.tag_name === 'body') {
    // DONE: A body element’s end tag may be omitted if the body element is not immediately followed by a comment.

  } else if (parser_token.tag_name === 'li') {
    // An li element’s end tag may be omitted if the li element is immediately followed by another li element or if there is no more content in the parent element.
    result = result || this._tag_stack.try_pop('li', ['ol', 'ul']);

  } else if (parser_token.tag_name === 'dd' || parser_token.tag_name === 'dt') {
    // A dd element’s end tag may be omitted if the dd element is immediately followed by another dd element or a dt element, or if there is no more content in the parent element.
    // A dt element’s end tag may be omitted if the dt element is immediately followed by another dt element or a dd element.
    result = result || this._tag_stack.try_pop('dt', ['dl']);
    result = result || this._tag_stack.try_pop('dd', ['dl']);

    //} else if (p_closers.indexOf(parser_token.tag_name) !== -1) {
    //TODO: THIS IS A BUG FARM. We are not putting this into 1.8.0 as it is likely to blow up.
    //A p element’s end tag may be omitted if the p element is immediately followed by an address, article, aside, blockquote, details, div, dl, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hr, main, nav, ol, p, pre, section, table, or ul element, or if there is no more content in the parent element and the parent element is an HTML element that is not an a, audio, del, ins, map, noscript, or video element, or an autonomous custom element.
    //result = result || this._tag_stack.try_pop('p', ['body']);

  } else if (parser_token.tag_name === 'rp' || parser_token.tag_name === 'rt') {
    // An rt element’s end tag may be omitted if the rt element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
    // An rp element’s end tag may be omitted if the rp element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
    result = result || this._tag_stack.try_pop('rt', ['ruby', 'rtc']);
    result = result || this._tag_stack.try_pop('rp', ['ruby', 'rtc']);

  } else if (parser_token.tag_name === 'optgroup') {
    // An optgroup element’s end tag may be omitted if the optgroup element is immediately followed by another optgroup element, or if there is no more content in the parent element.
    // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
    result = result || this._tag_stack.try_pop('optgroup', ['select']);
    //result = result || this._tag_stack.try_pop('option', ['select']);

  } else if (parser_token.tag_name === 'option') {
    // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
    result = result || this._tag_stack.try_pop('option', ['select', 'datalist', 'optgroup']);

  } else if (parser_token.tag_name === 'colgroup') {
    // DONE: A colgroup element’s end tag may be omitted if the colgroup element is not immediately followed by a space character or a comment.
    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
    result = result || this._tag_stack.try_pop('caption', ['table']);

  } else if (parser_token.tag_name === 'thead') {
    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
    result = result || this._tag_stack.try_pop('caption', ['table']);
    result = result || this._tag_stack.try_pop('colgroup', ['table']);

    //} else if (parser_token.tag_name === 'caption') {
    // DONE: A caption element’s end tag may be omitted if the caption element is not immediately followed by a space character or a comment.

  } else if (parser_token.tag_name === 'tbody' || parser_token.tag_name === 'tfoot') {
    // A thead element’s end tag may be omitted if the thead element is immediately followed by a tbody or tfoot element.
    // A tbody element’s end tag may be omitted if the tbody element is immediately followed by a tbody or tfoot element, or if there is no more content in the parent element.
    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
    result = result || this._tag_stack.try_pop('caption', ['table']);
    result = result || this._tag_stack.try_pop('colgroup', ['table']);
    result = result || this._tag_stack.try_pop('thead', ['table']);
    result = result || this._tag_stack.try_pop('tbody', ['table']);

    //} else if (parser_token.tag_name === 'tfoot') {
    // DONE: A tfoot element’s end tag may be omitted if there is no more content in the parent element.

  } else if (parser_token.tag_name === 'tr') {
    // A tr element’s end tag may be omitted if the tr element is immediately followed by another tr element, or if there is no more content in the parent element.
    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
    result = result || this._tag_stack.try_pop('caption', ['table']);
    result = result || this._tag_stack.try_pop('colgroup', ['table']);
    result = result || this._tag_stack.try_pop('tr', ['table', 'thead', 'tbody', 'tfoot']);

  } else if (parser_token.tag_name === 'th' || parser_token.tag_name === 'td') {
    // A td element’s end tag may be omitted if the td element is immediately followed by a td or th element, or if there is no more content in the parent element.
    // A th element’s end tag may be omitted if the th element is immediately followed by a td or th element, or if there is no more content in the parent element.
    result = result || this._tag_stack.try_pop('td', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
    result = result || this._tag_stack.try_pop('th', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
  }

  // Start element omission not handled currently
  // A head element’s start tag may be omitted if the element is empty, or if the first thing inside the head element is an element.
  // A tbody element’s start tag may be omitted if the first thing inside the tbody element is a tr element, and if the element is not immediately preceded by a tbody, thead, or tfoot element whose end tag has been omitted. (It can’t be omitted if the element is empty.)
  // A colgroup element’s start tag may be omitted if the first thing inside the colgroup element is a col element, and if the element is not immediately preceded by another colgroup element whose end tag has been omitted. (It can’t be omitted if the element is empty.)

  // Fix up the parent of the parser token
  parser_token.parent = this._tag_stack.get_parser_token();

  return result;
};

var Beautifier_1$2 = Beautifier$4;

var beautifier$2 = {
	Beautifier: Beautifier_1$2
};

var Beautifier$5 = beautifier$2.Beautifier,
  Options$9 = options$3.Options;

function style_html(html_source, options, js_beautify, css_beautify) {
  var beautifier = new Beautifier$5(html_source, options, js_beautify, css_beautify);
  return beautifier.beautify();
}

var html = style_html;
var defaultOptions$2 = function() {
  return new Options$9();
};
html.defaultOptions = defaultOptions$2;

function style_html$1(html_source, options, js, css$1) {
  js = js || javascript;
  css$1 = css$1 || css;
  return html(html_source, options, js, css$1);
}
style_html$1.defaultOptions = html.defaultOptions;

var js = javascript;
var css$1 = css;
var html$1 = style_html$1;

var src = {
	js: js,
	css: css$1,
	html: html$1
};

var js$1 = createCommonjsModule(function (module) {

/**
The following batches are equivalent:

var beautify_js = require('js-beautify');
var beautify_js = require('js-beautify').js;
var beautify_js = require('js-beautify').js_beautify;

var beautify_css = require('js-beautify').css;
var beautify_css = require('js-beautify').css_beautify;

var beautify_html = require('js-beautify').html;
var beautify_html = require('js-beautify').html_beautify;

All methods returned accept two arguments, the source string and an options object.
**/

function get_beautify(js_beautify, css_beautify, html_beautify) {
  // the default is js
  var beautify = function(src, config) {
    return js_beautify.js_beautify(src, config);
  };

  // short aliases
  beautify.js = js_beautify.js_beautify;
  beautify.css = css_beautify.css_beautify;
  beautify.html = html_beautify.html_beautify;

  // legacy aliases
  beautify.js_beautify = js_beautify.js_beautify;
  beautify.css_beautify = css_beautify.css_beautify;
  beautify.html_beautify = html_beautify.html_beautify;

  return beautify;
}

{
  (function(mod) {
    var beautifier = src;
    beautifier.js_beautify = beautifier.js;
    beautifier.css_beautify = beautifier.css;
    beautifier.html_beautify = beautifier.html;

    mod.exports = get_beautify(beautifier, beautifier, beautifier);

  })(module);
}
});

/*!
 * is-whitespace <https://github.com/jonschlinkert/is-whitespace>
 *
 * Copyright (c) 2014-2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

var cache;

var isWhitespace = function isWhitespace(str) {
  return (typeof str === 'string') && regex().test(str);
};

function regex() {
  // ensure that runtime compilation only happens once
  return cache || (cache = new RegExp('^[\\s\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF"]+$'));
}

/*!
 * 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 extendShallow = function extend(o/*, objects*/) {
  var arguments$1 = arguments;

  if (!isExtendable(o)) { o = {}; }

  var len = arguments.length;
  for (var i = 1; i < len; i++) {
    var obj = arguments$1[i];

    if (isExtendable(obj)) {
      assign(o, obj);
    }
  }
  return o;
};

function assign(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);
}

/*!
 * Determine if an object is a Buffer
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */

// The _isBuffer check is for Safari 5-7 support, because it's missing
// Object.prototype.constructor. Remove this eventually
var isBuffer_1 = function (obj) {
  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
};

function isBuffer (obj) {
  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
}

// For Node v0.10 support. Remove this eventually.
function isSlowBuffer (obj) {
  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
}

var toString = Object.prototype.toString;

/**
 * Get the native `typeof` a value.
 *
 * @param  {*} `val`
 * @return {*} Native javascript type
 */

var kindOf = function kindOf(val) {
  // primitivies
  if (typeof val === 'undefined') {
    return 'undefined';
  }
  if (val === null) {
    return 'null';
  }
  if (val === true || val === false || val instanceof Boolean) {
    return 'boolean';
  }
  if (typeof val === 'string' || val instanceof String) {
    return 'string';
  }
  if (typeof val === 'number' || val instanceof Number) {
    return 'number';
  }

  // functions
  if (typeof val === 'function' || val instanceof Function) {
    return 'function';
  }

  // array
  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
    return 'array';
  }

  // check for instances of RegExp and Date before calling `toString`
  if (val instanceof RegExp) {
    return 'regexp';
  }
  if (val instanceof Date) {
    return 'date';
  }

  // other objects
  var type = toString.call(val);

  if (type === '[object RegExp]') {
    return 'regexp';
  }
  if (type === '[object Date]') {
    return 'date';
  }
  if (type === '[object Arguments]') {
    return 'arguments';
  }
  if (type === '[object Error]') {
    return 'error';
  }

  // buffer
  if (isBuffer_1(val)) {
    return 'buffer';
  }

  // es6: Map, WeakMap, Set, WeakSet
  if (type === '[object Set]') {
    return 'set';
  }
  if (type === '[object WeakSet]') {
    return 'weakset';
  }
  if (type === '[object Map]') {
    return 'map';
  }
  if (type === '[object WeakMap]') {
    return 'weakmap';
  }
  if (type === '[object Symbol]') {
    return 'symbol';
  }

  // typed arrays
  if (type === '[object Int8Array]') {
    return 'int8array';
  }
  if (type === '[object Uint8Array]') {
    return 'uint8array';
  }
  if (type === '[object Uint8ClampedArray]') {
    return 'uint8clampedarray';
  }
  if (type === '[object Int16Array]') {
    return 'int16array';
  }
  if (type === '[object Uint16Array]') {
    return 'uint16array';
  }
  if (type === '[object Int32Array]') {
    return 'int32array';
  }
  if (type === '[object Uint32Array]') {
    return 'uint32array';
  }
  if (type === '[object Float32Array]') {
    return 'float32array';
  }
  if (type === '[object Float64Array]') {
    return 'float64array';
  }

  // must be a plain object
  return 'object';
};

var condenseNewlines = function(str, options) {
  var opts = extendShallow({}, options);
  var sep = opts.sep || '\n\n';
  var min = opts.min;
  var re;

  if (typeof min === 'number' && min !== 2) {
    re = new RegExp('(\\r\\n|\\n|\\u2424) {' + min + ',}');
  }
  if (typeof re === 'undefined') {
    re = opts.regex || /(\r\n|\n|\u2424){2,}/g;
  }

  // if a line is 100% whitespace it will be trimmed, so that
  // later we can condense newlines correctly
  if (opts.keepWhitespace !== true) {
    str = str.split('\n').map(function(line) {
      return isWhitespace(line) ? line.trim() : line;
    }).join('\n');
  }

  str = trailingNewline(str, opts);
  return str.replace(re, sep);
};

function trailingNewline(str, options) {
  var val = options.trailingNewline;
  if (val === false) {
    return str;
  }

  switch (kindOf(val)) {
    case 'string':
      str = str.replace(/\s+$/, options.trailingNewline);
      break;
    case 'function':
      str = options.trailingNewline(str);
      break;
    case 'undefined':
    case 'boolean':
    default: {
      str = str.replace(/\s+$/, '\n');
      break;
    }
  }
  return str;
}

var defaults = {
  unformatted: ['code', 'pre', 'em', 'strong', 'span'],
  indent_inner_html: true,
  indent_char: ' ',
  indent_size: 2,
  sep: '\n'
};

var pretty = function pretty(str, options) {
  var opts = extendShallow({}, defaults, options);
  str = js$1.html(str, opts);

  if (opts.ocd === true) {
    if (opts.newlines) { opts.sep = opts.newlines; }
    return ocd(str, opts);
  }

  return str;
};

function ocd(str, options) {
  // Normalize and condense all newlines
  return condenseNewlines(str, options)
    // Remove empty whitespace the top of a file.
    .replace(/^\s+/g, '')
    // Remove extra whitespace from eof
    .replace(/\s+$/g, '\n')

    // Add a space above each comment
    .replace(/(\s*<!--)/g, '\n$1')
    // Bring closing comments up to the same line as closing tag.
    .replace(/>(\s*)(?=<!--\s*\/)/g, '> ');
}

// 

function getSelectorType(selector) {
  if (isDomSelector(selector)) { return DOM_SELECTOR }
  if (isVueComponent(selector)) { return COMPONENT_SELECTOR }
  if (isNameSelector(selector)) { return NAME_SELECTOR }
  if (isRefSelector(selector)) { return REF_SELECTOR }

  return INVALID_SELECTOR
}

function getSelector(
  selector,
  methodName
) {
  var type = getSelectorType(selector);
  if (type === INVALID_SELECTOR) {
    throwError(
      "wrapper." + methodName + "() must be passed a valid CSS selector, Vue " +
        "constructor, or valid find option object"
    );
  }
  return {
    type: type,
    value: selector
  }
}

// 

var WrapperArray = function WrapperArray(wrappers) {
  var length = wrappers.length;
  // $FlowIgnore
  Object.defineProperty(this, 'wrappers', {
    get: function () { return wrappers; },
    set: function () { return throwError('wrapperArray.wrappers is read-only'); }
  });
  // $FlowIgnore
  Object.defineProperty(this, 'length', {
    get: function () { return length; },
    set: function () { return throwError('wrapperArray.length is read-only'); }
  });
};

WrapperArray.prototype.at = function at (index) {
  var normalizedIndex = index < 0 ? this.length + index : index;
  if (normalizedIndex > this.length - 1 || normalizedIndex < 0) {
    var error = "no item exists at " + index;
    error += index < 0 ? (" (normalized to " + normalizedIndex + ")") : '';
    throwError(error);
  }
  return this.wrappers[normalizedIndex]
};

WrapperArray.prototype.attributes = function attributes () {
  this.throwErrorIfWrappersIsEmpty('attributes');

  throwError(
    "attributes must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.classes = function classes () {
  this.throwErrorIfWrappersIsEmpty('classes');

  throwError(
    "classes must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.contains = function contains (selector) {
  this.throwErrorIfWrappersIsEmpty('contains');

  return this.wrappers.every(function (wrapper) { return wrapper.contains(selector); })
};

WrapperArray.prototype.exists = function exists () {
  return this.length > 0 && this.wrappers.every(function (wrapper) { return wrapper.exists(); })
};

WrapperArray.prototype.filter = function filter (predicate) {
  return new WrapperArray(this.wrappers.filter(predicate))
};

WrapperArray.prototype.emitted = function emitted () {
  this.throwErrorIfWrappersIsEmpty('emitted');

  throwError(
    "emitted must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.emittedByOrder = function emittedByOrder () {
  this.throwErrorIfWrappersIsEmpty('emittedByOrder');

  throwError(
    "emittedByOrder must be called on a single wrapper, " +
      "use at(i) to access a wrapper"
  );
};

WrapperArray.prototype.findAll = function findAll () {
  this.throwErrorIfWrappersIsEmpty('findAll');

  throwError(
    "findAll must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.find = function find () {
  this.throwErrorIfWrappersIsEmpty('find');

  throwError(
    "find must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.html = function html () {
  this.throwErrorIfWrappersIsEmpty('html');

  throwError(
    "html must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.is = function is (selector) {
  this.throwErrorIfWrappersIsEmpty('is');

  return this.wrappers.every(function (wrapper) { return wrapper.is(selector); })
};

WrapperArray.prototype.isEmpty = function isEmpty () {
  this.throwErrorIfWrappersIsEmpty('isEmpty');

  return this.wrappers.every(function (wrapper) { return wrapper.isEmpty(); })
};

WrapperArray.prototype.isVisible = function isVisible () {
  this.throwErrorIfWrappersIsEmpty('isVisible');

  return this.wrappers.every(function (wrapper) { return wrapper.isVisible(); })
};

WrapperArray.prototype.isVueInstance = function isVueInstance () {
  this.throwErrorIfWrappersIsEmpty('isVueInstance');

  return this.wrappers.every(function (wrapper) { return wrapper.isVueInstance(); })
};

WrapperArray.prototype.name = function name () {
  this.throwErrorIfWrappersIsEmpty('name');

  throwError(
    "name must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.overview = function overview () {
  this.throwErrorIfWrappersIsEmpty('overview()');

  throwError(
    "overview() must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.props = function props () {
  this.throwErrorIfWrappersIsEmpty('props');

  throwError(
    "props must be called on a single wrapper, use " +
      "at(i) to access a wrapper"
  );
};

WrapperArray.prototype.text = function text () {
  this.throwErrorIfWrappersIsEmpty('text');

  throwError(
    "text must be called on a single wrapper, use at(i) " +
      "to access a wrapper"
  );
};

WrapperArray.prototype.throwErrorIfWrappersIsEmpty = function throwErrorIfWrappersIsEmpty (method) {
  if (this.wrappers.length === 0) {
    throwError((method + " cannot be called on 0 items"));
  }
};

WrapperArray.prototype.setData = function setData (data) {
  this.throwErrorIfWrappersIsEmpty('setData');

  return Promise.all(this.wrappers.map(function (wrapper) { return wrapper.setData(data); }))
};

WrapperArray.prototype.setMethods = function setMethods (props) {
  this.throwErrorIfWrappersIsEmpty('setMethods');

  this.wrappers.forEach(function (wrapper) { return wrapper.setMethods(props); });
};

WrapperArray.prototype.setProps = function setProps (props) {
  this.throwErrorIfWrappersIsEmpty('setProps');

  return Promise.all(this.wrappers.map(function (wrapper) { return wrapper.setProps(props); }))
};

WrapperArray.prototype.setValue = function setValue (value) {
  this.throwErrorIfWrappersIsEmpty('setValue');

  return Promise.all(this.wrappers.map(function (wrapper) { return wrapper.setValue(value); }))
};

WrapperArray.prototype.setChecked = function setChecked (checked) {
    if ( checked === void 0 ) checked = true;

  this.throwErrorIfWrappersIsEmpty('setChecked');

  return Promise.all(
    this.wrappers.map(function (wrapper) { return wrapper.setChecked(checked); })
  )
};

WrapperArray.prototype.setSelected = function setSelected () {
  this.throwErrorIfWrappersIsEmpty('setSelected');

  throwError(
    "setSelected must be called on a single wrapper, " +
      "use at(i) to access a wrapper"
  );
};

WrapperArray.prototype.trigger = function trigger (event, options) {
  this.throwErrorIfWrappersIsEmpty('trigger');

  return Promise.all(
    this.wrappers.map(function (wrapper) { return wrapper.trigger(event, options); })
  )
};

WrapperArray.prototype.destroy = function destroy () {
  this.throwErrorIfWrappersIsEmpty('destroy');

  this.wrappers.forEach(function (wrapper) { return wrapper.destroy(); });
};

// 

var buildSelectorString = function (selector) {
  if (getSelectorType(selector) === REF_SELECTOR) {
    return ("ref=\"" + (selector.value.ref) + "\"")
  }

  if (typeof selector === 'string') {
    return selector
  }

  return 'Component'
};

var ErrorWrapper = function ErrorWrapper(selector) {
  this.selector = selector;
};

ErrorWrapper.prototype.at = function at () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call at() on empty Wrapper")
  );
};

ErrorWrapper.prototype.attributes = function attributes () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call attributes() on empty Wrapper")
  );
};

ErrorWrapper.prototype.classes = function classes () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call classes() on empty Wrapper")
  );
};

ErrorWrapper.prototype.contains = function contains () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call contains() on empty Wrapper")
  );
};

ErrorWrapper.prototype.emitted = function emitted () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call emitted() on empty Wrapper")
  );
};

ErrorWrapper.prototype.emittedByOrder = function emittedByOrder () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call emittedByOrder() on empty Wrapper")
  );
};

ErrorWrapper.prototype.exists = function exists () {
  return false
};

ErrorWrapper.prototype.filter = function filter () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call filter() on empty Wrapper")
  );
};

ErrorWrapper.prototype.visible = function visible () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call visible() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasAttribute = function hasAttribute () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call hasAttribute() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasClass = function hasClass () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call hasClass() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasProp = function hasProp () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call hasProp() on empty Wrapper")
  );
};

ErrorWrapper.prototype.hasStyle = function hasStyle () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call hasStyle() on empty Wrapper")
  );
};

ErrorWrapper.prototype.findAll = function findAll () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call findAll() on empty Wrapper")
  );
};

ErrorWrapper.prototype.find = function find () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call find() on empty Wrapper")
  );
};

ErrorWrapper.prototype.html = function html () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call html() on empty Wrapper")
  );
};

ErrorWrapper.prototype.is = function is () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call is() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isEmpty = function isEmpty () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call isEmpty() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isVisible = function isVisible () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call isVisible() on empty Wrapper")
  );
};

ErrorWrapper.prototype.isVueInstance = function isVueInstance () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call isVueInstance() on empty Wrapper")
  );
};

ErrorWrapper.prototype.name = function name () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call name() on empty Wrapper")
  );
};

ErrorWrapper.prototype.overview = function overview () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call overview() on empty Wrapper")
  );
};

ErrorWrapper.prototype.props = function props () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call props() on empty Wrapper")
  );
};

ErrorWrapper.prototype.text = function text () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call text() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setComputed = function setComputed () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setComputed() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setData = function setData () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setData() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setMethods = function setMethods () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setMethods() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setProps = function setProps () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setProps() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setValue = function setValue () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setValue() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setChecked = function setChecked () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setChecked() on empty Wrapper")
  );
};

ErrorWrapper.prototype.setSelected = function setSelected () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call setSelected() on empty Wrapper")
  );
};

ErrorWrapper.prototype.trigger = function trigger () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call trigger() on empty Wrapper")
  );
};

ErrorWrapper.prototype.destroy = function destroy () {
  throwError(
    ("find did not return " + (buildSelectorString(
      this.selector
    )) + ", cannot call destroy() on empty Wrapper")
  );
};

/*!
 * isElementVisible
 * Ported from https://github.com/testing-library/jest-dom
 * Licensed under the MIT License.
 */

function isStyleVisible(element) {
  if (!(element instanceof HTMLElement) && !(element instanceof SVGElement)) {
    return false
  }

  // Per https://lists.w3.org/Archives/Public/www-style/2018May/0031.html
  // getComputedStyle should only work with connected elements.
  var ref = element.isConnected
    ? getComputedStyle(element)
    : element.style;
  var display = ref.display;
  var visibility = ref.visibility;
  var opacity = ref.opacity;
  return (
    display !== 'none' &&
    visibility !== 'hidden' &&
    visibility !== 'collapse' &&
    opacity !== '0' &&
    opacity !== 0
  )
}

function isAttributeVisible(element, previousElement) {
  return (
    !element.hasAttribute('hidden') &&
    (element.nodeName === 'DETAILS' && previousElement.nodeName !== 'SUMMARY'
      ? element.hasAttribute('open')
      : true)
  )
}

function isElementVisible(element, previousElement) {
  return (
    element.nodeName !== '#comment' &&
    isStyleVisible(element) &&
    isAttributeVisible(element, previousElement) &&
    (!element.parentElement || isElementVisible(element.parentElement, element))
  )
}

function recursivelySetData(vm, target, data) {
  Object.keys(data).forEach(function (key) {
    var val = data[key];
    var targetVal = target[key];

    if (
      isPlainObject(val) &&
      isPlainObject(targetVal) &&
      Object.keys(val).length > 0
    ) {
      recursivelySetData(vm, targetVal, val);
    } else {
      vm.$set(target, key, val);
    }
  });
}

var abort = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var afterprint = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var animationend = {
	eventInterface: "AnimationEvent",
	bubbles: true,
	cancelable: false
};
var animationiteration = {
	eventInterface: "AnimationEvent",
	bubbles: true,
	cancelable: false
};
var animationstart = {
	eventInterface: "AnimationEvent",
	bubbles: true,
	cancelable: false
};
var appinstalled = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var audioprocess = {
	eventInterface: "AudioProcessingEvent"
};
var audioend = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var audiostart = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var beforeprint = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var beforeunload = {
	eventInterface: "BeforeUnloadEvent",
	bubbles: false,
	cancelable: true
};
var beginEvent = {
	eventInterface: "TimeEvent",
	bubbles: false,
	cancelable: false
};
var blur = {
	eventInterface: "FocusEvent",
	bubbles: false,
	cancelable: false
};
var boundary = {
	eventInterface: "SpeechSynthesisEvent",
	bubbles: false,
	cancelable: false
};
var cached = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var canplay = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var canplaythrough = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var change = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var chargingchange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var chargingtimechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var checking = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var click = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var close = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var complete = {
	eventInterface: "OfflineAudioCompletionEvent"
};
var compositionend = {
	eventInterface: "CompositionEvent",
	bubbles: true,
	cancelable: true
};
var compositionstart = {
	eventInterface: "CompositionEvent",
	bubbles: true,
	cancelable: true
};
var compositionupdate = {
	eventInterface: "CompositionEvent",
	bubbles: true,
	cancelable: false
};
var contextmenu = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var copy = {
	eventInterface: "ClipboardEvent"
};
var cut = {
	eventInterface: "ClipboardEvent",
	bubbles: true,
	cancelable: true
};
var dblclick = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var devicechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var devicelight = {
	eventInterface: "DeviceLightEvent",
	bubbles: false,
	cancelable: false
};
var devicemotion = {
	eventInterface: "DeviceMotionEvent",
	bubbles: false,
	cancelable: false
};
var deviceorientation = {
	eventInterface: "DeviceOrientationEvent",
	bubbles: false,
	cancelable: false
};
var deviceproximity = {
	eventInterface: "DeviceProximityEvent",
	bubbles: false,
	cancelable: false
};
var dischargingtimechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var DOMActivate = {
	eventInterface: "UIEvent",
	bubbles: true,
	cancelable: true
};
var DOMAttributeNameChanged = {
	eventInterface: "MutationNameEvent",
	bubbles: true,
	cancelable: true
};
var DOMAttrModified = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMCharacterDataModified = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMContentLoaded = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: true
};
var DOMElementNameChanged = {
	eventInterface: "MutationNameEvent",
	bubbles: true,
	cancelable: true
};
var DOMFocusIn = {
	eventInterface: "FocusEvent",
	bubbles: true,
	cancelable: true
};
var DOMFocusOut = {
	eventInterface: "FocusEvent",
	bubbles: true,
	cancelable: true
};
var DOMNodeInserted = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMNodeInsertedIntoDocument = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMNodeRemoved = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMNodeRemovedFromDocument = {
	eventInterface: "MutationEvent",
	bubbles: true,
	cancelable: true
};
var DOMSubtreeModified = {
	eventInterface: "MutationEvent"
};
var downloading = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var drag = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: true
};
var dragend = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: false
};
var dragenter = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: true
};
var dragleave = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: false
};
var dragover = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: true
};
var dragstart = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: true
};
var drop = {
	eventInterface: "DragEvent",
	bubbles: true,
	cancelable: true
};
var durationchange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var emptied = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var end = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var ended = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var endEvent = {
	eventInterface: "TimeEvent",
	bubbles: false,
	cancelable: false
};
var error = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var focus = {
	eventInterface: "FocusEvent",
	bubbles: false,
	cancelable: false
};
var focusin = {
	eventInterface: "FocusEvent",
	bubbles: true,
	cancelable: false
};
var focusout = {
	eventInterface: "FocusEvent",
	bubbles: true,
	cancelable: false
};
var fullscreenchange = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var fullscreenerror = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var gamepadconnected = {
	eventInterface: "GamepadEvent",
	bubbles: false,
	cancelable: false
};
var gamepaddisconnected = {
	eventInterface: "GamepadEvent",
	bubbles: false,
	cancelable: false
};
var gotpointercapture = {
	eventInterface: "PointerEvent",
	bubbles: false,
	cancelable: false
};
var hashchange = {
	eventInterface: "HashChangeEvent",
	bubbles: true,
	cancelable: false
};
var lostpointercapture = {
	eventInterface: "PointerEvent",
	bubbles: false,
	cancelable: false
};
var input = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var invalid = {
	eventInterface: "Event",
	cancelable: true,
	bubbles: false
};
var keydown = {
	eventInterface: "KeyboardEvent",
	bubbles: true,
	cancelable: true
};
var keypress = {
	eventInterface: "KeyboardEvent",
	bubbles: true,
	cancelable: true
};
var keyup = {
	eventInterface: "KeyboardEvent",
	bubbles: true,
	cancelable: true
};
var languagechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var levelchange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var load = {
	eventInterface: "UIEvent",
	bubbles: false,
	cancelable: false
};
var loadeddata = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var loadedmetadata = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var loadend = {
	eventInterface: "ProgressEvent",
	bubbles: false,
	cancelable: false
};
var loadstart = {
	eventInterface: "ProgressEvent",
	bubbles: false,
	cancelable: false
};
var mark = {
	eventInterface: "SpeechSynthesisEvent",
	bubbles: false,
	cancelable: false
};
var message = {
	eventInterface: "MessageEvent",
	bubbles: false,
	cancelable: false
};
var messageerror = {
	eventInterface: "MessageEvent",
	bubbles: false,
	cancelable: false
};
var mousedown = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var mouseenter = {
	eventInterface: "MouseEvent",
	bubbles: false,
	cancelable: false
};
var mouseleave = {
	eventInterface: "MouseEvent",
	bubbles: false,
	cancelable: false
};
var mousemove = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var mouseout = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var mouseover = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var mouseup = {
	eventInterface: "MouseEvent",
	bubbles: true,
	cancelable: true
};
var nomatch = {
	eventInterface: "SpeechRecognitionEvent",
	bubbles: false,
	cancelable: false
};
var notificationclick = {
	eventInterface: "NotificationEvent",
	bubbles: false,
	cancelable: false
};
var noupdate = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var obsolete = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var offline = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var online = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var open = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var orientationchange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var pagehide = {
	eventInterface: "PageTransitionEvent",
	bubbles: false,
	cancelable: false
};
var pageshow = {
	eventInterface: "PageTransitionEvent",
	bubbles: false,
	cancelable: false
};
var paste = {
	eventInterface: "ClipboardEvent",
	bubbles: true,
	cancelable: true
};
var pause = {
	eventInterface: "SpeechSynthesisEvent",
	bubbles: false,
	cancelable: false
};
var pointercancel = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: false
};
var pointerdown = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: true
};
var pointerenter = {
	eventInterface: "PointerEvent",
	bubbles: false,
	cancelable: false
};
var pointerleave = {
	eventInterface: "PointerEvent",
	bubbles: false,
	cancelable: false
};
var pointerlockchange = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var pointerlockerror = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var pointermove = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: true
};
var pointerout = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: true
};
var pointerover = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: true
};
var pointerup = {
	eventInterface: "PointerEvent",
	bubbles: true,
	cancelable: true
};
var play = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var playing = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var popstate = {
	eventInterface: "PopStateEvent",
	bubbles: true,
	cancelable: false
};
var progress = {
	eventInterface: "ProgressEvent",
	bubbles: false,
	cancelable: false
};
var push = {
	eventInterface: "PushEvent",
	bubbles: false,
	cancelable: false
};
var pushsubscriptionchange = {
	eventInterface: "PushEvent",
	bubbles: false,
	cancelable: false
};
var ratechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var readystatechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var repeatEvent = {
	eventInterface: "TimeEvent",
	bubbles: false,
	cancelable: false
};
var reset = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: true
};
var resize = {
	eventInterface: "UIEvent",
	bubbles: false,
	cancelable: false
};
var resourcetimingbufferfull = {
	eventInterface: "Performance",
	bubbles: true,
	cancelable: true
};
var result = {
	eventInterface: "SpeechRecognitionEvent",
	bubbles: false,
	cancelable: false
};
var resume = {
	eventInterface: "SpeechSynthesisEvent",
	bubbles: false,
	cancelable: false
};
var scroll = {
	eventInterface: "UIEvent",
	bubbles: false,
	cancelable: false
};
var seeked = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var seeking = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var select = {
	eventInterface: "UIEvent",
	bubbles: true,
	cancelable: false
};
var selectstart = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: true
};
var selectionchange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var show = {
	eventInterface: "MouseEvent",
	bubbles: false,
	cancelable: false
};
var slotchange = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var soundend = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var soundstart = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var speechend = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var speechstart = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var stalled = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var start = {
	eventInterface: "SpeechSynthesisEvent",
	bubbles: false,
	cancelable: false
};
var storage = {
	eventInterface: "StorageEvent",
	bubbles: false,
	cancelable: false
};
var submit = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: true
};
var success = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var suspend = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var SVGAbort = {
	eventInterface: "SVGEvent",
	bubbles: true,
	cancelable: false
};
var SVGError = {
	eventInterface: "SVGEvent",
	bubbles: true,
	cancelable: false
};
var SVGLoad = {
	eventInterface: "SVGEvent",
	bubbles: false,
	cancelable: false
};
var SVGResize = {
	eventInterface: "SVGEvent",
	bubbles: true,
	cancelable: false
};
var SVGScroll = {
	eventInterface: "SVGEvent",
	bubbles: true,
	cancelable: false
};
var SVGUnload = {
	eventInterface: "SVGEvent",
	bubbles: false,
	cancelable: false
};
var SVGZoom = {
	eventInterface: "SVGZoomEvent",
	bubbles: true,
	cancelable: false
};
var timeout = {
	eventInterface: "ProgressEvent",
	bubbles: false,
	cancelable: false
};
var timeupdate = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var touchcancel = {
	eventInterface: "TouchEvent",
	bubbles: true,
	cancelable: false
};
var touchend = {
	eventInterface: "TouchEvent",
	bubbles: true,
	cancelable: true
};
var touchmove = {
	eventInterface: "TouchEvent",
	bubbles: true,
	cancelable: true
};
var touchstart = {
	eventInterface: "TouchEvent",
	bubbles: true,
	cancelable: true
};
var transitionend = {
	eventInterface: "TransitionEvent",
	bubbles: true,
	cancelable: true
};
var unload = {
	eventInterface: "UIEvent",
	bubbles: false
};
var updateready = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var userproximity = {
	eventInterface: "UserProximityEvent",
	bubbles: false,
	cancelable: false
};
var voiceschanged = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var visibilitychange = {
	eventInterface: "Event",
	bubbles: true,
	cancelable: false
};
var volumechange = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var waiting = {
	eventInterface: "Event",
	bubbles: false,
	cancelable: false
};
var wheel = {
	eventInterface: "WheelEvent",
	bubbles: true,
	cancelable: true
};
var domEventTypes = {
	abort: abort,
	afterprint: afterprint,
	animationend: animationend,
	animationiteration: animationiteration,
	animationstart: animationstart,
	appinstalled: appinstalled,
	audioprocess: audioprocess,
	audioend: audioend,
	audiostart: audiostart,
	beforeprint: beforeprint,
	beforeunload: beforeunload,
	beginEvent: beginEvent,
	blur: blur,
	boundary: boundary,
	cached: cached,
	canplay: canplay,
	canplaythrough: canplaythrough,
	change: change,
	chargingchange: chargingchange,
	chargingtimechange: chargingtimechange,
	checking: checking,
	click: click,
	close: close,
	complete: complete,
	compositionend: compositionend,
	compositionstart: compositionstart,
	compositionupdate: compositionupdate,
	contextmenu: contextmenu,
	copy: copy,
	cut: cut,
	dblclick: dblclick,
	devicechange: devicechange,
	devicelight: devicelight,
	devicemotion: devicemotion,
	deviceorientation: deviceorientation,
	deviceproximity: deviceproximity,
	dischargingtimechange: dischargingtimechange,
	DOMActivate: DOMActivate,
	DOMAttributeNameChanged: DOMAttributeNameChanged,
	DOMAttrModified: DOMAttrModified,
	DOMCharacterDataModified: DOMCharacterDataModified,
	DOMContentLoaded: DOMContentLoaded,
	DOMElementNameChanged: DOMElementNameChanged,
	DOMFocusIn: DOMFocusIn,
	DOMFocusOut: DOMFocusOut,
	DOMNodeInserted: DOMNodeInserted,
	DOMNodeInsertedIntoDocument: DOMNodeInsertedIntoDocument,
	DOMNodeRemoved: DOMNodeRemoved,
	DOMNodeRemovedFromDocument: DOMNodeRemovedFromDocument,
	DOMSubtreeModified: DOMSubtreeModified,
	downloading: downloading,
	drag: drag,
	dragend: dragend,
	dragenter: dragenter,
	dragleave: dragleave,
	dragover: dragover,
	dragstart: dragstart,
	drop: drop,
	durationchange: durationchange,
	emptied: emptied,
	end: end,
	ended: ended,
	endEvent: endEvent,
	error: error,
	focus: focus,
	focusin: focusin,
	focusout: focusout,
	fullscreenchange: fullscreenchange,
	fullscreenerror: fullscreenerror,
	gamepadconnected: gamepadconnected,
	gamepaddisconnected: gamepaddisconnected,
	gotpointercapture: gotpointercapture,
	hashchange: hashchange,
	lostpointercapture: lostpointercapture,
	input: input,
	invalid: invalid,
	keydown: keydown,
	keypress: keypress,
	keyup: keyup,
	languagechange: languagechange,
	levelchange: levelchange,
	load: load,
	loadeddata: loadeddata,
	loadedmetadata: loadedmetadata,
	loadend: loadend,
	loadstart: loadstart,
	mark: mark,
	message: message,
	messageerror: messageerror,
	mousedown: mousedown,
	mouseenter: mouseenter,
	mouseleave: mouseleave,
	mousemove: mousemove,
	mouseout: mouseout,
	mouseover: mouseover,
	mouseup: mouseup,
	nomatch: nomatch,
	notificationclick: notificationclick,
	noupdate: noupdate,
	obsolete: obsolete,
	offline: offline,
	online: online,
	open: open,
	orientationchange: orientationchange,
	pagehide: pagehide,
	pageshow: pageshow,
	paste: paste,
	pause: pause,
	pointercancel: pointercancel,
	pointerdown: pointerdown,
	pointerenter: pointerenter,
	pointerleave: pointerleave,
	pointerlockchange: pointerlockchange,
	pointerlockerror: pointerlockerror,
	pointermove: pointermove,
	pointerout: pointerout,
	pointerover: pointerover,
	pointerup: pointerup,
	play: play,
	playing: playing,
	popstate: popstate,
	progress: progress,
	push: push,
	pushsubscriptionchange: pushsubscriptionchange,
	ratechange: ratechange,
	readystatechange: readystatechange,
	repeatEvent: repeatEvent,
	reset: reset,
	resize: resize,
	resourcetimingbufferfull: resourcetimingbufferfull,
	result: result,
	resume: resume,
	scroll: scroll,
	seeked: seeked,
	seeking: seeking,
	select: select,
	selectstart: selectstart,
	selectionchange: selectionchange,
	show: show,
	slotchange: slotchange,
	soundend: soundend,
	soundstart: soundstart,
	speechend: speechend,
	speechstart: speechstart,
	stalled: stalled,
	start: start,
	storage: storage,
	submit: submit,
	success: success,
	suspend: suspend,
	SVGAbort: SVGAbort,
	SVGError: SVGError,
	SVGLoad: SVGLoad,
	SVGResize: SVGResize,
	SVGScroll: SVGScroll,
	SVGUnload: SVGUnload,
	SVGZoom: SVGZoom,
	timeout: timeout,
	timeupdate: timeupdate,
	touchcancel: touchcancel,
	touchend: touchend,
	touchmove: touchmove,
	touchstart: touchstart,
	transitionend: transitionend,
	unload: unload,
	updateready: updateready,
	userproximity: userproximity,
	voiceschanged: voiceschanged,
	visibilitychange: visibilitychange,
	volumechange: volumechange,
	waiting: waiting,
	wheel: wheel
};

var domEventTypes$1 = /*#__PURE__*/Object.freeze({
  __proto__: null,
  abort: abort,
  afterprint: afterprint,
  animationend: animationend,
  animationiteration: animationiteration,
  animationstart: animationstart,
  appinstalled: appinstalled,
  audioprocess: audioprocess,
  audioend: audioend,
  audiostart: audiostart,
  beforeprint: beforeprint,
  beforeunload: beforeunload,
  beginEvent: beginEvent,
  blur: blur,
  boundary: boundary,
  cached: cached,
  canplay: canplay,
  canplaythrough: canplaythrough,
  change: change,
  chargingchange: chargingchange,
  chargingtimechange: chargingtimechange,
  checking: checking,
  click: click,
  close: close,
  complete: complete,
  compositionend: compositionend,
  compositionstart: compositionstart,
  compositionupdate: compositionupdate,
  contextmenu: contextmenu,
  copy: copy,
  cut: cut,
  dblclick: dblclick,
  devicechange: devicechange,
  devicelight: devicelight,
  devicemotion: devicemotion,
  deviceorientation: deviceorientation,
  deviceproximity: deviceproximity,
  dischargingtimechange: dischargingtimechange,
  DOMActivate: DOMActivate,
  DOMAttributeNameChanged: DOMAttributeNameChanged,
  DOMAttrModified: DOMAttrModified,
  DOMCharacterDataModified: DOMCharacterDataModified,
  DOMContentLoaded: DOMContentLoaded,
  DOMElementNameChanged: DOMElementNameChanged,
  DOMFocusIn: DOMFocusIn,
  DOMFocusOut: DOMFocusOut,
  DOMNodeInserted: DOMNodeInserted,
  DOMNodeInsertedIntoDocument: DOMNodeInsertedIntoDocument,
  DOMNodeRemoved: DOMNodeRemoved,
  DOMNodeRemovedFromDocument: DOMNodeRemovedFromDocument,
  DOMSubtreeModified: DOMSubtreeModified,
  downloading: downloading,
  drag: drag,
  dragend: dragend,
  dragenter: dragenter,
  dragleave: dragleave,
  dragover: dragover,
  dragstart: dragstart,
  drop: drop,
  durationchange: durationchange,
  emptied: emptied,
  end: end,
  ended: ended,
  endEvent: endEvent,
  error: error,
  focus: focus,
  focusin: focusin,
  focusout: focusout,
  fullscreenchange: fullscreenchange,
  fullscreenerror: fullscreenerror,
  gamepadconnected: gamepadconnected,
  gamepaddisconnected: gamepaddisconnected,
  gotpointercapture: gotpointercapture,
  hashchange: hashchange,
  lostpointercapture: lostpointercapture,
  input: input,
  invalid: invalid,
  keydown: keydown,
  keypress: keypress,
  keyup: keyup,
  languagechange: languagechange,
  levelchange: levelchange,
  load: load,
  loadeddata: loadeddata,
  loadedmetadata: loadedmetadata,
  loadend: loadend,
  loadstart: loadstart,
  mark: mark,
  message: message,
  messageerror: messageerror,
  mousedown: mousedown,
  mouseenter: mouseenter,
  mouseleave: mouseleave,
  mousemove: mousemove,
  mouseout: mouseout,
  mouseover: mouseover,
  mouseup: mouseup,
  nomatch: nomatch,
  notificationclick: notificationclick,
  noupdate: noupdate,
  obsolete: obsolete,
  offline: offline,
  online: online,
  open: open,
  orientationchange: orientationchange,
  pagehide: pagehide,
  pageshow: pageshow,
  paste: paste,
  pause: pause,
  pointercancel: pointercancel,
  pointerdown: pointerdown,
  pointerenter: pointerenter,
  pointerleave: pointerleave,
  pointerlockchange: pointerlockchange,
  pointerlockerror: pointerlockerror,
  pointermove: pointermove,
  pointerout: pointerout,
  pointerover: pointerover,
  pointerup: pointerup,
  play: play,
  playing: playing,
  popstate: popstate,
  progress: progress,
  push: push,
  pushsubscriptionchange: pushsubscriptionchange,
  ratechange: ratechange,
  readystatechange: readystatechange,
  repeatEvent: repeatEvent,
  reset: reset,
  resize: resize,
  resourcetimingbufferfull: resourcetimingbufferfull,
  result: result,
  resume: resume,
  scroll: scroll,
  seeked: seeked,
  seeking: seeking,
  select: select,
  selectstart: selectstart,
  selectionchange: selectionchange,
  show: show,
  slotchange: slotchange,
  soundend: soundend,
  soundstart: soundstart,
  speechend: speechend,
  speechstart: speechstart,
  stalled: stalled,
  start: start,
  storage: storage,
  submit: submit,
  success: success,
  suspend: suspend,
  SVGAbort: SVGAbort,
  SVGError: SVGError,
  SVGLoad: SVGLoad,
  SVGResize: SVGResize,
  SVGScroll: SVGScroll,
  SVGUnload: SVGUnload,
  SVGZoom: SVGZoom,
  timeout: timeout,
  timeupdate: timeupdate,
  touchcancel: touchcancel,
  touchend: touchend,
  touchmove: touchmove,
  touchstart: touchstart,
  transitionend: transitionend,
  unload: unload,
  updateready: updateready,
  userproximity: userproximity,
  voiceschanged: voiceschanged,
  visibilitychange: visibilitychange,
  volumechange: volumechange,
  waiting: waiting,
  wheel: wheel,
  'default': domEventTypes
});

var require$$0 = getCjsExportFromNamespace(domEventTypes$1);

var domEventTypes$2 = require$$0;

var defaultEventType = {
  eventInterface: 'Event',
  cancelable: true,
  bubbles: true
};

var modifiers = {
  enter: 13,
  tab: 9,
  delete: 46,
  esc: 27,
  space: 32,
  up: 38,
  down: 40,
  left: 37,
  right: 39,
  end: 35,
  home: 36,
  backspace: 8,
  insert: 45,
  pageup: 33,
  pagedown: 34
};

// get from https://github.com/ashubham/w3c-keys/blob/master/index.ts
var w3cKeys = {
  enter: 'Enter',
  tab: 'Tab',
  delete: 'Delete',
  esc: 'Esc',
  escape: 'Escape',
  space: ' ',
  up: 'Up',
  left: 'Left',
  right: 'Right',
  down: 'Down',
  end: 'End',
  home: 'Home',
  backspace: 'Backspace',
  insert: 'Insert',
  pageup: 'PageUp',
  pagedown: 'PageDown'
};

var codeToKeyNameMap = Object.entries(modifiers).reduce(
  function (acc, ref) {
    var obj;

    var key = ref[0];
    var value = ref[1];
    return Object.assign(acc, ( obj = {}, obj[value] = w3cKeys[key], obj ));
},
  {}
);

function getOptions(eventParams) {
  var modifier = eventParams.modifier;
  var meta = eventParams.meta;
  var options = eventParams.options;
  var keyCode = modifiers[modifier] || options.keyCode || options.code;
  var key = codeToKeyNameMap[keyCode];

  return Object.assign({}, options, // What the user passed in as the second argument to #trigger

    {bubbles: meta.bubbles,
    cancelable: meta.cancelable,

    // Any derived options should go here
    keyCode: keyCode,
    code: keyCode,
    key: key || options.key})
}

function createEvent(eventParams) {
  var eventType = eventParams.eventType;
  var meta = eventParams.meta; if ( meta === void 0 ) meta = {};

  var SupportedEventInterface =
    typeof window[meta.eventInterface] === 'function'
      ? window[meta.eventInterface]
      : window.Event;

  var event = new SupportedEventInterface(
    eventType,
    // event properties can only be added when the event is instantiated
    // custom properties must be added after the event has been instantiated
    getOptions(eventParams)
  );

  return event
}

function createOldEvent(eventParams) {
  var eventType = eventParams.eventType;
  var modifier = eventParams.modifier;
  var meta = eventParams.meta;
  var bubbles = meta.bubbles;
  var cancelable = meta.cancelable;

  var event = document.createEvent('Event');
  event.initEvent(eventType, bubbles, cancelable);
  event.keyCode = modifiers[modifier];
  return event
}

function createDOMEvent(type, options) {
  var ref = type.split('.');
  var eventType = ref[0];
  var modifier = ref[1];
  var meta = domEventTypes$2[eventType] || defaultEventType;

  var eventParams = { eventType: eventType, modifier: modifier, meta: meta, options: options };

  // Fallback for IE10,11 - https://stackoverflow.com/questions/26596123
  var event =
    typeof window.Event === 'function'
      ? createEvent(eventParams)
      : createOldEvent(eventParams);

  var eventPrototype = Object.getPrototypeOf(event);
  Object.keys(options || {}).forEach(function (key) {
    var propertyDescriptor = Object.getOwnPropertyDescriptor(
      eventPrototype,
      key
    );

    var canSetProperty = !(
      propertyDescriptor && propertyDescriptor.setter === undefined
    );
    if (canSetProperty) {
      event[key] = options[key];
    }
  });

  return event
}

// 

var Wrapper = function Wrapper(
  node,
  options,
  isVueWrapper
) {
  var vnode = node instanceof Element ? null : node;
  var element = node instanceof Element ? node : node.elm;
  // Prevent redefine by VueWrapper
  if (!isVueWrapper) {
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'rootNode', {
      get: function () { return vnode || element; },
      set: function () { return throwError('wrapper.rootNode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vnode', {
      get: function () { return vnode; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'element', {
      get: function () { return element; },
      set: function () { return throwError('wrapper.element is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vm', {
      get: function () { return undefined; },
      set: function () { return throwError('wrapper.vm is read-only'); }
    });
  }
  var frozenOptions = Object.freeze(options);
  // $FlowIgnore
  Object.defineProperty(this, 'options', {
    get: function () { return frozenOptions; },
    set: function () { return throwError('wrapper.options is read-only'); }
  });
  if (
    this.vnode &&
    (this.vnode[FUNCTIONAL_OPTIONS] || this.vnode.functionalContext)
  ) {
    this.isFunctionalComponent = true;
  }
};

/**
 * Prints warning if component is destroyed
 */
Wrapper.prototype.__warnIfDestroyed = function __warnIfDestroyed () {
  if (!this.exists()) {
    warn('Operations on destroyed component are discouraged');
  }
};

Wrapper.prototype.at = function at () {
  this.__warnIfDestroyed();

  throwError('at() must be called on a WrapperArray');
};

/**
 * Returns an Object containing all the attribute/value pairs on the element.
 */
Wrapper.prototype.attributes = function attributes (key) {
  this.__warnIfDestroyed();

  var attributes = this.element.attributes;
  var attributeMap = {};
  for (var i = 0; i < attributes.length; i++) {
    var att = attributes.item(i);
    attributeMap[att.localName] = att.value;
  }

  return key ? attributeMap[key] : attributeMap
};

/**
 * Returns an Array containing all the classes on the element
 */
Wrapper.prototype.classes = function classes (className) {
    var this$1$1 = this;

  this.__warnIfDestroyed();

  var classAttribute = this.element.getAttribute('class');
  var classes = classAttribute ? classAttribute.split(' ') : [];
  // Handle converting cssmodules identifiers back to the original class name
  if (this.vm && this.vm.$style) {
    var cssModuleIdentifiers = Object.keys(this.vm.$style).reduce(
      function (acc, key) {
        // $FlowIgnore
        var moduleIdent = this$1$1.vm.$style[key];
        if (moduleIdent) {
          acc[moduleIdent.split(' ')[0]] = key;
        }
        return acc
      },
      {}
    );
    classes = classes.map(function (name) { return cssModuleIdentifiers[name] || name; });
  }

  return className ? !!(classes.indexOf(className) > -1) : classes
};

/**
 * Checks if wrapper contains provided selector.
 * @deprecated
 */
Wrapper.prototype.contains = function contains (rawSelector) {
  warnDeprecated(
    'contains',
    'Use `wrapper.find`, `wrapper.findComponent` or `wrapper.get` instead'
  );

  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'contains');
  var nodes = find(this.rootNode, this.vm, selector);
  return nodes.length > 0
};

/**
 * Calls destroy on vm
 */
Wrapper.prototype.destroy = function destroy () {
  if (!this.vm && !this.isFunctionalComponent) {
    throwError(
      "wrapper.destroy() can only be called on a Vue instance or " +
        "functional component."
    );
  }

  if (this.element.parentNode) {
    this.element.parentNode.removeChild(this.element);
  }

  if (this.vm) {
    // $FlowIgnore
    this.vm.$destroy();
    throwIfInstancesThrew(this.vm);
  }
};

/**
 * Returns an object containing custom events emitted by the Wrapper vm
 */
Wrapper.prototype.emitted = function emitted (
  event
) {
  if (!this._emitted && !this.vm) {
    throwError("wrapper.emitted() can only be called on a Vue instance");
  }
  if (event) {
    return this._emitted[event]
  }
  return this._emitted
};

/**
 * Returns an Array containing custom events emitted by the Wrapper vm
 * @deprecated
 */
Wrapper.prototype.emittedByOrder = function emittedByOrder () {
  warnDeprecated('emittedByOrder', 'Use `wrapper.emitted` instead');
  if (!this._emittedByOrder && !this.vm) {
    throwError(
      "wrapper.emittedByOrder() can only be called on a Vue instance"
    );
  }
  return this._emittedByOrder
};

/**
 * Utility to check wrapper exists.
 */
Wrapper.prototype.exists = function exists () {
  if (this.vm) {
    return !!this.vm && !this.vm._isDestroyed
  }
  return true
};

Wrapper.prototype.filter = function filter () {
  throwError('filter() must be called on a WrapperArray');
};

/**
 * Gets first node in tree of the current wrapper that
 * matches the provided selector.
 */
Wrapper.prototype.get = function get (rawSelector) {
  this.__warnIfDestroyed();

  var found = this.find(rawSelector);
  if (found instanceof ErrorWrapper) {
    throw new Error(("Unable to find " + rawSelector + " within: " + (this.html())))
  }
  return found
};

/**
 * Gets first node in tree of the current wrapper that
 * matches the provided selector.
 */
Wrapper.prototype.getComponent = function getComponent (rawSelector) {
  this.__warnIfDestroyed();

  var found = this.findComponent(rawSelector);
  if (found instanceof ErrorWrapper) {
    throw new Error(("Unable to get " + rawSelector + " within: " + (this.html())))
  }
  return found
};

/**
 * Finds first DOM node in tree of the current wrapper that
 * matches the provided selector.
 */
Wrapper.prototype.find = function find (rawSelector) {
  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'find');
  if (selector.type !== DOM_SELECTOR) {
    warnDeprecated(
      'finding components with `find` or `get`',
      'Use `findComponent` and `getComponent` instead'
    );
  }

  return this.__find(rawSelector, selector)
};

/**
 * Finds first component in tree of the current wrapper that
 * matches the provided selector.
 */
Wrapper.prototype.findComponent = function findComponent (rawSelector) {
  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'findComponent');

  return this.__find(rawSelector, selector)
};

Wrapper.prototype.__find = function __find (rawSelector, selector) {
  var node = find(this.rootNode, this.vm, selector)[0];

  if (!node) {
    return new ErrorWrapper(rawSelector)
  }

  var wrapper = createWrapper(node, this.options);
  wrapper.selector = rawSelector;
  return wrapper
};

/**
 * Finds DOM elements in tree of the current wrapper that matches
 * the provided selector.
 */
Wrapper.prototype.findAll = function findAll (rawSelector) {
  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'findAll');
  if (selector.type !== DOM_SELECTOR) {
    warnDeprecated(
      'finding components with `findAll`',
      'Use `findAllComponents` instead'
    );
  }
  return this.__findAll(rawSelector, selector)
};

/**
 * Finds components in tree of the current wrapper that matches
 * the provided selector.
 */
Wrapper.prototype.findAllComponents = function findAllComponents (rawSelector) {
  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'findAll');

  return this.__findAll(rawSelector, selector, isVueWrapper)
};

Wrapper.prototype.__findAll = function __findAll (
  rawSelector,
  selector,
  filterFn
) {
    var this$1$1 = this;
    if ( filterFn === void 0 ) filterFn = function () { return true; };

  var nodes = find(this.rootNode, this.vm, selector);
  var wrappers = nodes
    .map(function (node) {
      // Using CSS Selector, returns a VueWrapper instance if the root element
      // binds a Vue instance.
      var wrapper = createWrapper(node, this$1$1.options);
      wrapper.selector = rawSelector;
      return wrapper
    })
    .filter(filterFn);

  var wrapperArray = new WrapperArray(wrappers);
  wrapperArray.selector = rawSelector;
  return wrapperArray
};

/**
 * Returns HTML of element as a string
 */
Wrapper.prototype.html = function html () {
  this.__warnIfDestroyed();

  return pretty(this.element.outerHTML)
};

/**
 * Checks if node matches selector or component definition
 */
Wrapper.prototype.is = function is (rawSelector) {
  this.__warnIfDestroyed();

  var selector = getSelector(rawSelector, 'is');

  if (selector.type === DOM_SELECTOR) {
    warnDeprecated(
      'checking tag name with `is`',
      'Use `element.tagName` instead'
    );
  }

  if (selector.type === REF_SELECTOR) {
    throwError('$ref selectors can not be used with wrapper.is()');
  }

  return matches(this.rootNode, selector)
};

/**
 * Checks if node is empty
 * @deprecated
 */
Wrapper.prototype.isEmpty = function isEmpty () {
  warnDeprecated(
    'isEmpty',
    'Consider a custom matcher such as those provided in jest-dom: https://github.com/testing-library/jest-dom#tobeempty. ' +
      'When using with findComponent, access the DOM element with findComponent(Comp).element'
  );
  this.__warnIfDestroyed();

  if (!this.vnode) {
    return this.element.innerHTML === ''
  }
  var nodes = [];
  var node = this.vnode;
  var i = 0;

  while (node) {
    if (node.child) {
      nodes.push(node.child._vnode);
    }
    node.children &&
      node.children.forEach(function (n) {
        nodes.push(n);
      });
    node = nodes[i++];
  }
  return nodes.every(function (n) { return n.isComment || n.child; })
};

/**
 * Checks if node is visible
 */
Wrapper.prototype.isVisible = function isVisible () {
  this.__warnIfDestroyed();

  return isElementVisible(this.element)
};

/**
 * Checks if wrapper is a vue instance
 * @deprecated
 */
Wrapper.prototype.isVueInstance = function isVueInstance () {
  warnDeprecated("isVueInstance");
  this.__warnIfDestroyed();

  return !!this.vm
};

/**
 * Returns name of component, or tag name if node is not a Vue component
 * @deprecated
 */
Wrapper.prototype.name = function name () {
  warnDeprecated("name");
  this.__warnIfDestroyed();

  if (this.vm) {
    return (
      this.vm.$options.name ||
      // compat for Vue < 2.3
      (this.vm.$options.extendOptions && this.vm.$options.extendOptions.name)
    )
  }

  if (!this.vnode) {
    return this.element.tagName
  }

  return this.vnode.tag
};

/**
 * Prints a simple overview of the wrapper current state
 * with useful information for debugging
 * @deprecated
 */
Wrapper.prototype.overview = function overview () {
    var this$1$1 = this;

  warnDeprecated("overview");
  this.__warnIfDestroyed();

  if (!this.vm) {
    throwError("wrapper.overview() can only be called on a Vue instance");
  }

  var identation = 4;
  var formatJSON = function (json, replacer) {
        if ( replacer === void 0 ) replacer = null;

        return JSON.stringify(json, replacer, identation).replace(/"/g, '');
    };

  var visibility = this.isVisible() ? 'Visible' : 'Not visible';

  var html = this.html()
    ? this.html().replace(/^(?!\s*$)/gm, ' '.repeat(identation)) + '\n'
    : '';

  // $FlowIgnore
  var data = formatJSON(this.vm.$data);

  /* eslint-disable operator-linebreak */
  // $FlowIgnore
  var computed = this.vm._computedWatchers
    ? formatJSON.apply(
        // $FlowIgnore
        void 0, Object.keys(this.vm._computedWatchers).map(function (computedKey) {
            var obj;

            return (( obj = {}, obj[computedKey] = this$1$1.vm[computedKey], obj ));
    })
      )
    : // $FlowIgnore
    this.vm.$options.computed
    ? formatJSON.apply(
        // $FlowIgnore
        void 0, Object.entries(this.vm.$options.computed).map(function (ref) {
            var obj;

            var key = ref[0];
            var value = ref[1];
            return (( obj = {}, obj[key] = value(), obj ));
    })
      )
    : '{}';
  /* eslint-enable operator-linebreak */

  var emittedJSONReplacer = function (key, value) { return value instanceof Array
      ? value.map(function (calledWith, index) {
          var callParams = calledWith.map(function (param) { return typeof param === 'object'
              ? JSON.stringify(param)
                  .replace(/"/g, '')
                  .replace(/,/g, ', ')
              : param; }
          );

          return (index + ": [ " + (callParams.join(', ')) + " ]")
        })
      : value; };

  var emitted = formatJSON(this.emitted(), emittedJSONReplacer);

  console.log(
    '\n' +
      "Wrapper (" + visibility + "):\n\n" +
      "Html:\n" + html + "\n" +
      "Data: " + data + "\n\n" +
      "Computed: " + computed + "\n\n" +
      "Emitted: " + emitted + "\n"
  );
};

/**
 * Returns an Object containing the prop name/value pairs on the element
 */
Wrapper.prototype.props = function props (key) {
    var this$1$1 = this;

  if (this.isFunctionalComponent) {
    throwError(
      "wrapper.props() cannot be called on a mounted functional component."
    );
  }
  if (!this.vm) {
    throwError('wrapper.props() must be called on a Vue instance');
  }
  this.__warnIfDestroyed();

  var props = {};
  var keys = this.vm && this.vm.$options._propKeys;

  if (keys) {
(keys || {}).forEach(function (key) {
      if (this$1$1.vm) {
        props[key] = this$1$1.vm[key];
      }
    });
  }

  if (key) {
    return props[key]
  }

  return props
};

/**
 * Checks radio button or checkbox element
 * @deprecated
 */
Wrapper.prototype.setChecked = function setChecked (checked) {
    if ( checked === void 0 ) checked = true;

  this.__warnIfDestroyed();

  if (typeof checked !== 'boolean') {
    throwError('wrapper.setChecked() must be passed a boolean');
  }
  var tagName = this.element.tagName;
  // $FlowIgnore
  var type = this.attributes().type;
  var event = getCheckedEvent();

  if (tagName === 'INPUT' && type === 'checkbox') {
    // $FlowIgnore
    if (this.element.checked === checked) {
      return nextTick()
    }
    if (event !== 'click' || isPhantomJS) {
      // $FlowIgnore
      this.element.checked = checked;
    }
    return this.trigger(event)
  }

  if (tagName === 'INPUT' && type === 'radio') {
    if (!checked) {
      throwError(
        "wrapper.setChecked() cannot be called with parameter false on a " +
          "<input type=\"radio\" /> element."
      );
    }

    // $FlowIgnore
    if (this.element.checked === checked) {
      return nextTick()
    }

    if (event !== 'click' || isPhantomJS) {
      // $FlowIgnore
      this.element.selected = true;
    }
    return this.trigger(event)
  }

  throwError("wrapper.setChecked() cannot be called on this element");
  return nextTick()
};

/**
 * Selects <option></option> element
 * @deprecated
 */
Wrapper.prototype.setSelected = function setSelected () {
  this.__warnIfDestroyed();

  var tagName = this.element.tagName;

  if (tagName === 'SELECT') {
    throwError(
      "wrapper.setSelected() cannot be called on select. Call it on one of " +
        "its options"
    );
  }

  if (tagName !== 'OPTION') {
    throwError("wrapper.setSelected() cannot be called on this element");
  }

  // $FlowIgnore
  if (this.element.selected) {
    return nextTick()
  }

  // $FlowIgnore
  this.element.selected = true;
  // $FlowIgnore
  var parentElement = this.element.parentElement;

  // $FlowIgnore
  if (parentElement.tagName === 'OPTGROUP') {
    // $FlowIgnore
    parentElement = parentElement.parentElement;
  }

  // $FlowIgnore
  return createWrapper(parentElement, this.options).trigger('change')
};

/**
 * Sets vm data
 */
Wrapper.prototype.setData = function setData (data) {
  if (this.isFunctionalComponent) {
    throwError("wrapper.setData() cannot be called on a functional component");
  }

  if (!this.vm) {
    throwError("wrapper.setData() can only be called on a Vue instance");
  }

  this.__warnIfDestroyed();

  recursivelySetData(this.vm, this.vm, data);
  return nextTick()
};

/**
 * Sets vm methods
 * @deprecated
 */
Wrapper.prototype.setMethods = function setMethods (methods) {
    var this$1$1 = this;

  warnDeprecated(
    "setMethods",
    "There is no clear migration path for setMethods - Vue does not support arbitrarily replacement of methods, nor should VTU. To stub a complex method extract it from the component and test it in isolation. Otherwise, the suggestion is to rethink those tests"
  );

  if (!this.vm) {
    throwError("wrapper.setMethods() can only be called on a Vue instance");
  }
  this.__warnIfDestroyed();

  Object.keys(methods).forEach(function (key) {
    // $FlowIgnore : Problem with possibly null this.vm
    this$1$1.vm[key] = methods[key];
    // $FlowIgnore : Problem with possibly null this.vm
    this$1$1.vm.$options.methods[key] = methods[key];
  });

  if (this.vnode) {
    var context = this.vnode.context;
    if (context.$options.render) { context._update(context._render()); }
  }
};

/**
 * Sets vm props
 */
Wrapper.prototype.setProps = function setProps (data) {
    var this$1$1 = this;

  // Validate the setProps method call
  if (this.isFunctionalComponent) {
    throwError(
      "wrapper.setProps() cannot be called on a functional component"
    );
  }

  if (!this.vm) {
    throwError("wrapper.setProps() can only be called on a Vue instance");
  }

  // $FlowIgnore : Problem with possibly null this.vm
  if (!this.vm.$parent.$options.$_isWrapperParent) {
    throwError(
      "wrapper.setProps() can only be called for top-level component"
    );
  }

  this.__warnIfDestroyed();

  Object.keys(data).forEach(function (key) {
    // Don't let people set entire objects, because reactivity won't work
    if (
      typeof data[key] === 'object' &&
      data[key] !== null &&
      // $FlowIgnore : Problem with possibly null this.vm
      data[key] === this$1$1.vm[key]
    ) {
      throwError(
        "wrapper.setProps() called with the same object of the existing " +
          key + " property. You must call wrapper.setProps() with a new " +
          "object to trigger reactivity"
      );
    }

    if (
      VUE_VERSION <= 2.3 &&
      (!this$1$1.vm ||
        !this$1$1.vm.$options._propKeys ||
        !this$1$1.vm.$options._propKeys.some(function (prop) { return prop === key; }))
    ) {
      throwError(
        "wrapper.setProps() called with " + key + " property which " +
          "is not defined on the component"
      );
    }

    // $FlowIgnore : Problem with possibly null this.vm
    var parent = this$1$1.vm.$parent;
    parent.$set(parent.vueTestUtils_childProps, key, data[key]);
  });

  return nextTick()
};

/**
 * Sets element value and triggers input event
 */
Wrapper.prototype.setValue = function setValue (value) {
  var tagName = this.element.tagName;
  // $FlowIgnore
  var type = this.attributes().type;
  this.__warnIfDestroyed();

  if (tagName === 'OPTION') {
    throwError(
      "wrapper.setValue() cannot be called on an <option> element. Use " +
        "wrapper.setSelected() instead"
    );
  } else if (tagName === 'INPUT' && type === 'checkbox') {
    throwError(
      "wrapper.setValue() cannot be called on a <input type=\"checkbox\" /> " +
        "element. Use wrapper.setChecked() instead"
    );
  } else if (tagName === 'INPUT' && type === 'radio') {
    throwError(
      "wrapper.setValue() cannot be called on a <input type=\"radio\" /> " +
        "element. Use wrapper.setChecked() instead"
    );
  } else if (tagName === 'SELECT') {
    if (Array.isArray(value)) {
      // $FlowIgnore
      var options = this.element.options;
      for (var i = 0; i < options.length; i++) {
        var option = options[i];
        option.selected = value.indexOf(option.value) >= 0;
      }
    } else {
      // $FlowIgnore
      this.element.value = value;
    }

    this.trigger('change');
    return nextTick()
  } else if (tagName === 'INPUT' || tagName === 'TEXTAREA') {
    // $FlowIgnore
    this.element.value = value;

    this.trigger('input');

    // for v-model.lazy, we need to trigger a change event, too.
    // $FlowIgnore
    if (this.element._vModifiers && this.element._vModifiers.lazy) {
      this.trigger('change');
    }
    return nextTick()
  }
  throwError("wrapper.setValue() cannot be called on this element");
  return nextTick()
};

/**
 * Return text of wrapper element
 */
Wrapper.prototype.text = function text () {
  this.__warnIfDestroyed();

  return this.element.textContent.trim()
};

/**
 * Simulates event triggering
 */
Wrapper.prototype.__simulateTrigger = function __simulateTrigger (type, options) {
    var this$1$1 = this;

  var regularEventTrigger = function (type, options) {
    var event = createDOMEvent(type, options);
    return this$1$1.element.dispatchEvent(event)
  };

  var focusEventTrigger = function (type, options) {
    if (this$1$1.element instanceof HTMLElement) {
      return this$1$1.element.focus()
    }

    regularEventTrigger(type, options);
  };

  var triggerProcedureMap = {
    focus: focusEventTrigger,
    __default: regularEventTrigger
  };

  var triggerFn = triggerProcedureMap[type] || triggerProcedureMap.__default;

  return triggerFn(type, options)
};

/**
 * Dispatches a DOM event on wrapper
 */
Wrapper.prototype.trigger = function trigger (type, options) {
    if ( options === void 0 ) options = {};

  this.__warnIfDestroyed();

  if (typeof type !== 'string') {
    throwError('wrapper.trigger() must be passed a string');
  }

  if (options.target) {
    throwError(
      "you cannot set the target value of an event. See the notes section " +
        "of the docs for more details—" +
        "https://vue-test-utils.vuejs.org/api/wrapper/trigger.html"
    );
  }

  /**
   * Avoids firing events on specific disabled elements
   * See more: https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/disabled
   */

  var supportedTags = [
    'BUTTON',
    'COMMAND',
    'FIELDSET',
    'KEYGEN',
    'OPTGROUP',
    'OPTION',
    'SELECT',
    'TEXTAREA',
    'INPUT'
  ];
  var tagName = this.element.tagName;

  if (this.attributes().disabled && supportedTags.indexOf(tagName) > -1) {
    return nextTick()
  }

  this.__simulateTrigger(type, options);
  return nextTick()
};

// 

var VueWrapper = /*@__PURE__*/(function (Wrapper) {
  function VueWrapper(vm, options) {
    var this$1$1 = this;

    Wrapper.call(this, vm._vnode, options, true);
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'rootNode', {
      get: function () { return vm.$vnode || { child: this$1$1.vm }; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore : issue with defineProperty
    Object.defineProperty(this, 'vnode', {
      get: function () { return vm._vnode; },
      set: function () { return throwError('wrapper.vnode is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'element', {
      get: function () { return vm.$el; },
      set: function () { return throwError('wrapper.element is read-only'); }
    });
    // $FlowIgnore
    Object.defineProperty(this, 'vm', {
      get: function () { return vm; },
      set: function () { return throwError('wrapper.vm is read-only'); }
    });
    this.isFunctionalComponent = vm.$options._isFunctionalContainer;
    this._emitted = vm.__emitted;
    this._emittedByOrder = vm.__emittedByOrder;
  }

  if ( Wrapper ) VueWrapper.__proto__ = Wrapper;
  VueWrapper.prototype = Object.create( Wrapper && Wrapper.prototype );
  VueWrapper.prototype.constructor = VueWrapper;

  return VueWrapper;
}(Wrapper));

// 

function createWrapper(
  node,
  options
) {
  if ( options === void 0 ) options = {};

  var componentInstance = node.child;
  if (componentInstance) {
    var wrapper$1 = new VueWrapper(componentInstance, options);
    return wrapper$1
  }
  var wrapper =
    node instanceof Vue
      ? new VueWrapper(node, options)
      : new Wrapper(node, options);
  return wrapper
}

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
  this.size = 0;
}

var _listCacheClear = listCacheClear;

/**
 * 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);
}

var eq_1 = eq;

/**
 * Gets the index at which the `key` is found in `array` of key-value pairs.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} key The key to search for.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function assocIndexOf(array, key) {
  var length = array.length;
  while (length--) {
    if (eq_1(array[length][0], key)) {
      return length;
    }
  }
  return -1;
}

var _assocIndexOf = assocIndexOf;

/** Used for built-in method references. */
var arrayProto = Array.prototype;

/** Built-in value references. */
var splice = arrayProto.splice;

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  --this.size;
  return true;
}

var _listCacheDelete = listCacheDelete;

/**
 * Gets the list cache value for `key`.
 *
 * @private
 * @name get
 * @memberOf ListCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function listCacheGet(key) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  return index < 0 ? undefined : data[index][1];
}

var _listCacheGet = listCacheGet;

/**
 * Checks if a list cache value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf ListCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function listCacheHas(key) {
  return _assocIndexOf(this.__data__, key) > -1;
}

var _listCacheHas = listCacheHas;

/**
 * Sets the list cache `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf ListCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the list cache instance.
 */
function listCacheSet(key, value) {
  var data = this.__data__,
      index = _assocIndexOf(data, key);

  if (index < 0) {
    ++this.size;
    data.push([key, value]);
  } else {
    data[index][1] = value;
  }
  return this;
}

var _listCacheSet = listCacheSet;

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `ListCache`.
ListCache.prototype.clear = _listCacheClear;
ListCache.prototype['delete'] = _listCacheDelete;
ListCache.prototype.get = _listCacheGet;
ListCache.prototype.has = _listCacheHas;
ListCache.prototype.set = _listCacheSet;

var _ListCache = ListCache;

/**
 * Removes all key-value entries from the stack.
 *
 * @private
 * @name clear
 * @memberOf Stack
 */
function stackClear() {
  this.__data__ = new _ListCache;
  this.size = 0;
}

var _stackClear = stackClear;

/**
 * Removes `key` and its value from the stack.
 *
 * @private
 * @name delete
 * @memberOf Stack
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function stackDelete(key) {
  var data = this.__data__,
      result = data['delete'](key);

  this.size = data.size;
  return result;
}

var _stackDelete = stackDelete;

/**
 * Gets the stack value for `key`.
 *
 * @private
 * @name get
 * @memberOf Stack
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function stackGet(key) {
  return this.__data__.get(key);
}

var _stackGet = stackGet;

/**
 * Checks if a stack value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Stack
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function stackHas(key) {
  return this.__data__.has(key);
}

var _stackHas = stackHas;

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

var _freeGlobal = freeGlobal;

/** 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')();

var _root = root;

/** Built-in value references. */
var Symbol$1 = _root.Symbol;

var _Symbol = Symbol$1;

/** Used for built-in method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$1 = 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 symToStringTag = _Symbol ? _Symbol.toStringTag : 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$1.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;
}

var _getRawTag = getRawTag;

/** Used for built-in method references. */
var objectProto$1 = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString$1 = objectProto$1.toString;

/**
 * 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$1.call(value);
}

var _objectToString = objectToString;

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;

/**
 * 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$1 && symToStringTag$1 in Object(value))
    ? _getRawTag(value)
    : _objectToString(value);
}

var _baseGetTag = baseGetTag;

/**
 * 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');
}

var isObject_1 = isObject;

/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
    funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    proxyTag = '[object Proxy]';

/**
 * 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_1(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;
}

var isFunction_1 = isFunction;

/** Used to detect overreaching core-js shims. */
var coreJsData = _root['__core-js_shared__'];

var _coreJsData = coreJsData;

/** 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) : '';
}());

/**
 * 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);
}

var _isMasked = isMasked;

/** Used for built-in method references. */
var funcProto = Function.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/**
 * 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$1) {}
  }
  return '';
}

var _toSource = toSource;

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Used for built-in method references. */
var funcProto$1 = Function.prototype,
    objectProto$2 = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var funcToString$1 = funcProto$1.toString;

/** Used to check objects for own properties. */
var hasOwnProperty$2 = objectProto$2.hasOwnProperty;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString$1.call(hasOwnProperty$2).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/**
 * 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_1(value) || _isMasked(value)) {
    return false;
  }
  var pattern = isFunction_1(value) ? reIsNative : reIsHostCtor;
  return pattern.test(_toSource(value));
}

var _baseIsNative = baseIsNative;

/**
 * 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];
}

var _getValue = getValue;

/**
 * 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;
}

var _getNative = getNative;

/* Built-in method references that are verified to be native. */
var Map = _getNative(_root, 'Map');

var _Map = Map;

/* Built-in method references that are verified to be native. */
var nativeCreate = _getNative(Object, 'create');

var _nativeCreate = nativeCreate;

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
  this.size = 0;
}

var _hashClear = hashClear;

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  var result = this.has(key) && delete this.__data__[key];
  this.size -= result ? 1 : 0;
  return result;
}

var _hashDelete = hashDelete;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used for built-in method references. */
var objectProto$3 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$3 = objectProto$3.hasOwnProperty;

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (_nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty$3.call(data, key) ? data[key] : undefined;
}

var _hashGet = hashGet;

/** Used for built-in method references. */
var objectProto$4 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$4 = objectProto$4.hasOwnProperty;

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$4.call(data, key);
}

var _hashHas = hashHas;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  this.size += this.has(key) ? 0 : 1;
  data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
  return this;
}

var _hashSet = hashSet;

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `Hash`.
Hash.prototype.clear = _hashClear;
Hash.prototype['delete'] = _hashDelete;
Hash.prototype.get = _hashGet;
Hash.prototype.has = _hashHas;
Hash.prototype.set = _hashSet;

var _Hash = Hash;

/**
 * Removes all key-value entries from the map.
 *
 * @private
 * @name clear
 * @memberOf MapCache
 */
function mapCacheClear() {
  this.size = 0;
  this.__data__ = {
    'hash': new _Hash,
    'map': new (_Map || _ListCache),
    'string': new _Hash
  };
}

var _mapCacheClear = mapCacheClear;

/**
 * Checks if `value` is suitable for use as unique object key.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
 */
function isKeyable(value) {
  var type = typeof value;
  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
    ? (value !== '__proto__')
    : (value === null);
}

var _isKeyable = isKeyable;

/**
 * Gets the data for `map`.
 *
 * @private
 * @param {Object} map The map to query.
 * @param {string} key The reference key.
 * @returns {*} Returns the map data.
 */
function getMapData(map, key) {
  var data = map.__data__;
  return _isKeyable(key)
    ? data[typeof key == 'string' ? 'string' : 'hash']
    : data.map;
}

var _getMapData = getMapData;

/**
 * Removes `key` and its value from the map.
 *
 * @private
 * @name delete
 * @memberOf MapCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function mapCacheDelete(key) {
  var result = _getMapData(this, key)['delete'](key);
  this.size -= result ? 1 : 0;
  return result;
}

var _mapCacheDelete = mapCacheDelete;

/**
 * Gets the map value for `key`.
 *
 * @private
 * @name get
 * @memberOf MapCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function mapCacheGet(key) {
  return _getMapData(this, key).get(key);
}

var _mapCacheGet = mapCacheGet;

/**
 * Checks if a map value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf MapCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function mapCacheHas(key) {
  return _getMapData(this, key).has(key);
}

var _mapCacheHas = mapCacheHas;

/**
 * Sets the map `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf MapCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the map cache instance.
 */
function mapCacheSet(key, value) {
  var data = _getMapData(this, key),
      size = data.size;

  data.set(key, value);
  this.size += data.size == size ? 0 : 1;
  return this;
}

var _mapCacheSet = mapCacheSet;

/**
 * Creates a map cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function MapCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

// Add methods to `MapCache`.
MapCache.prototype.clear = _mapCacheClear;
MapCache.prototype['delete'] = _mapCacheDelete;
MapCache.prototype.get = _mapCacheGet;
MapCache.prototype.has = _mapCacheHas;
MapCache.prototype.set = _mapCacheSet;

var _MapCache = MapCache;

/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;

/**
 * Sets the stack `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Stack
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the stack cache instance.
 */
function stackSet(key, value) {
  var data = this.__data__;
  if (data instanceof _ListCache) {
    var pairs = data.__data__;
    if (!_Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
      pairs.push([key, value]);
      this.size = ++data.size;
      return this;
    }
    data = this.__data__ = new _MapCache(pairs);
  }
  data.set(key, value);
  this.size = data.size;
  return this;
}

var _stackSet = stackSet;

/**
 * Creates a stack cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Stack(entries) {
  var data = this.__data__ = new _ListCache(entries);
  this.size = data.size;
}

// Add methods to `Stack`.
Stack.prototype.clear = _stackClear;
Stack.prototype['delete'] = _stackDelete;
Stack.prototype.get = _stackGet;
Stack.prototype.has = _stackHas;
Stack.prototype.set = _stackSet;

var _Stack = Stack;

/**
 * A specialized version of `_.forEach` 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 `array`.
 */
function arrayEach(array, iteratee) {
  var index = -1,
      length = array == null ? 0 : array.length;

  while (++index < length) {
    if (iteratee(array[index], index, array) === false) {
      break;
    }
  }
  return array;
}

var _arrayEach = arrayEach;

var defineProperty = (function() {
  try {
    var func = _getNative(Object, 'defineProperty');
    func({}, '', {});
    return func;
  } catch (e) {}
}());

var _defineProperty = defineProperty;

/**
 * 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;
  }
}

var _baseAssignValue = baseAssignValue;

/** Used for built-in method references. */
var objectProto$5 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$5 = objectProto$5.hasOwnProperty;

/**
 * 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$5.call(object, key) && eq_1(objValue, value)) ||
      (value === undefined && !(key in object))) {
    _baseAssignValue(object, key, value);
  }
}

var _assignValue = assignValue;

/**
 * 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;
}

var _copyObject = copyObject;

/**
 * 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;
}

var _baseTimes = baseTimes;

/**
 * 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';
}

var isObjectLike_1 = isObjectLike;

/** `Object#toString` result references. */
var argsTag = '[object Arguments]';

/**
 * 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_1(value) && _baseGetTag(value) == argsTag;
}

var _baseIsArguments = baseIsArguments;

/** Used for built-in method references. */
var objectProto$6 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$6 = objectProto$6.hasOwnProperty;

/** Built-in value references. */
var propertyIsEnumerable = objectProto$6.propertyIsEnumerable;

/**
 * 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_1(value) && hasOwnProperty$6.call(value, 'callee') &&
    !propertyIsEnumerable.call(value, 'callee');
};

var isArguments_1 = isArguments;

/**
 * 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;

var isArray_1 = isArray;

/**
 * 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;
}

var stubFalse_1 = stubFalse;

var isBuffer_1$1 = createCommonjsModule(function (module, exports) {
/** 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;

/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;

/**
 * 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_1;

module.exports = isBuffer;
});

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;

/**
 * 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);
}

var _isIndex = isIndex;

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER$1 = 9007199254740991;

/**
 * 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$1;
}

var isLength_1 = isLength;

/** `Object#toString` result references. */
var argsTag$1 = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag$1 = '[object Function]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    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 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$1] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag$1] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;

/**
 * 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_1(value) &&
    isLength_1(value.length) && !!typedArrayTags[_baseGetTag(value)];
}

var _baseIsTypedArray = baseIsTypedArray;

/**
 * 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);
  };
}

var _baseUnary = baseUnary;

var _nodeUtil = createCommonjsModule(function (module, exports) {
/** 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) {}
}());

module.exports = nodeUtil;
});

/* Node.js helper references. */
var nodeIsTypedArray = _nodeUtil && _nodeUtil.isTypedArray;

/**
 * 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;

var isTypedArray_1 = isTypedArray;

/** Used for built-in method references. */
var objectProto$7 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$7 = objectProto$7.hasOwnProperty;

/**
 * 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_1(value),
      isArg = !isArr && isArguments_1(value),
      isBuff = !isArr && !isArg && isBuffer_1$1(value),
      isType = !isArr && !isArg && !isBuff && isTypedArray_1(value),
      skipIndexes = isArr || isArg || isBuff || isType,
      result = skipIndexes ? _baseTimes(value.length, String) : [],
      length = result.length;

  for (var key in value) {
    if ((inherited || hasOwnProperty$7.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;
}

var _arrayLikeKeys = arrayLikeKeys;

/** Used for built-in method references. */
var objectProto$8 = Object.prototype;

/**
 * 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$8;

  return value === proto;
}

var _isPrototype = isPrototype;

/**
 * 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));
  };
}

var _overArg = overArg;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeKeys = _overArg(Object.keys, Object);

var _nativeKeys = nativeKeys;

/** Used for built-in method references. */
var objectProto$9 = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$8 = objectProto$9.hasOwnProperty;

/**
 * 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$8.call(object, key) && key != 'constructor') {
      result.push(key);
    }
  }
  return result;
}

var _baseKeys = baseKeys;

/**
 * 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_1(value.length) && !isFunction_1(value);
}

var isArrayLike_1 = isArrayLike;

/**
 * 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$1(object) {
  return isArrayLike_1(object) ? _arrayLikeKeys(object) : _baseKeys(object);
}

var keys_1 = keys$1;

/**
 * The base implementation of `_.assign` without support for multiple sources
 * or `customizer` functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @returns {Object} Returns `object`.
 */
function baseAssign(object, source) {
  return object && _copyObject(source, keys_1(source), object);
}

var _baseAssign = baseAssign;

/**
 * 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;
}

var _nativeKeysIn = nativeKeysIn;

/** Used for built-in method references. */
var objectProto$a = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$9 = objectProto$a.hasOwnProperty;

/**
 * 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_1(object)) {
    return _nativeKeysIn(object);
  }
  var isProto = _isPrototype(object),
      result = [];

  for (var key in object) {
    if (!(key == 'constructor' && (isProto || !hasOwnProperty$9.call(object, key)))) {
      result.push(key);
    }
  }
  return result;
}

var _baseKeysIn = baseKeysIn;

/**
 * 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_1(object) ? _arrayLikeKeys(object, true) : _baseKeysIn(object);
}

var keysIn_1 = keysIn;

/**
 * The base implementation of `_.assignIn` without support for multiple sources
 * or `customizer` functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @returns {Object} Returns `object`.
 */
function baseAssignIn(object, source) {
  return object && _copyObject(source, keysIn_1(source), object);
}

var _baseAssignIn = baseAssignIn;

var _cloneBuffer = createCommonjsModule(function (module, exports) {
/** 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;

/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined,
    allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;

/**
 * Creates a clone of  `buffer`.
 *
 * @private
 * @param {Buffer} buffer The buffer to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Buffer} Returns the cloned buffer.
 */
function cloneBuffer(buffer, isDeep) {
  if (isDeep) {
    return buffer.slice();
  }
  var length = buffer.length,
      result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

  buffer.copy(result);
  return result;
}

module.exports = cloneBuffer;
});

/**
 * Copies the values of `source` to `array`.
 *
 * @private
 * @param {Array} source The array to copy values from.
 * @param {Array} [array=[]] The array to copy values to.
 * @returns {Array} Returns `array`.
 */
function copyArray(source, array) {
  var index = -1,
      length = source.length;

  array || (array = Array(length));
  while (++index < length) {
    array[index] = source[index];
  }
  return array;
}

var _copyArray = copyArray;

/**
 * A specialized version of `_.filter` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {Array} Returns the new filtered array.
 */
function arrayFilter(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length,
      resIndex = 0,
      result = [];

  while (++index < length) {
    var value = array[index];
    if (predicate(value, index, array)) {
      result[resIndex++] = value;
    }
  }
  return result;
}

var _arrayFilter = arrayFilter;

/**
 * This method returns a new empty array.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {Array} Returns the new empty array.
 * @example
 *
 * var arrays = _.times(2, _.stubArray);
 *
 * console.log(arrays);
 * // => [[], []]
 *
 * console.log(arrays[0] === arrays[1]);
 * // => false
 */
function stubArray() {
  return [];
}

var stubArray_1 = stubArray;

/** Used for built-in method references. */
var objectProto$b = Object.prototype;

/** Built-in value references. */
var propertyIsEnumerable$1 = objectProto$b.propertyIsEnumerable;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbols = !nativeGetSymbols ? stubArray_1 : function(object) {
  if (object == null) {
    return [];
  }
  object = Object(object);
  return _arrayFilter(nativeGetSymbols(object), function(symbol) {
    return propertyIsEnumerable$1.call(object, symbol);
  });
};

var _getSymbols = getSymbols;

/**
 * Copies own symbols of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy symbols from.
 * @param {Object} [object={}] The object to copy symbols to.
 * @returns {Object} Returns `object`.
 */
function copySymbols(source, object) {
  return _copyObject(source, _getSymbols(source), object);
}

var _copySymbols = copySymbols;

/**
 * Appends the elements of `values` to `array`.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {Array} values The values to append.
 * @returns {Array} Returns `array`.
 */
function arrayPush(array, values) {
  var index = -1,
      length = values.length,
      offset = array.length;

  while (++index < length) {
    array[offset + index] = values[index];
  }
  return array;
}

var _arrayPush = arrayPush;

/** Built-in value references. */
var getPrototype = _overArg(Object.getPrototypeOf, Object);

var _getPrototype = getPrototype;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols$1 = Object.getOwnPropertySymbols;

/**
 * Creates an array of the own and inherited enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbolsIn = !nativeGetSymbols$1 ? stubArray_1 : function(object) {
  var result = [];
  while (object) {
    _arrayPush(result, _getSymbols(object));
    object = _getPrototype(object);
  }
  return result;
};

var _getSymbolsIn = getSymbolsIn;

/**
 * Copies own and inherited symbols of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy symbols from.
 * @param {Object} [object={}] The object to copy symbols to.
 * @returns {Object} Returns `object`.
 */
function copySymbolsIn(source, object) {
  return _copyObject(source, _getSymbolsIn(source), object);
}

var _copySymbolsIn = copySymbolsIn;

/**
 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @param {Function} symbolsFunc The function to get the symbols of `object`.
 * @returns {Array} Returns the array of property names and symbols.
 */
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
  var result = keysFunc(object);
  return isArray_1(object) ? result : _arrayPush(result, symbolsFunc(object));
}

var _baseGetAllKeys = baseGetAllKeys;

/**
 * Creates an array of own enumerable property names and symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeys(object) {
  return _baseGetAllKeys(object, keys_1, _getSymbols);
}

var _getAllKeys = getAllKeys;

/**
 * Creates an array of own and inherited enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeysIn(object) {
  return _baseGetAllKeys(object, keysIn_1, _getSymbolsIn);
}

var _getAllKeysIn = getAllKeysIn;

/* Built-in method references that are verified to be native. */
var DataView = _getNative(_root, 'DataView');

var _DataView = DataView;

/* Built-in method references that are verified to be native. */
var Promise$1 = _getNative(_root, 'Promise');

var _Promise = Promise$1;

/* Built-in method references that are verified to be native. */
var Set$1 = _getNative(_root, 'Set');

var _Set = Set$1;

/* Built-in method references that are verified to be native. */
var WeakMap = _getNative(_root, 'WeakMap');

var _WeakMap = WeakMap;

/** `Object#toString` result references. */
var mapTag$1 = '[object Map]',
    objectTag$1 = '[object Object]',
    promiseTag = '[object Promise]',
    setTag$1 = '[object Set]',
    weakMapTag$1 = '[object WeakMap]';

var dataViewTag$1 = '[object DataView]';

/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = _toSource(_DataView),
    mapCtorString = _toSource(_Map),
    promiseCtorString = _toSource(_Promise),
    setCtorString = _toSource(_Set),
    weakMapCtorString = _toSource(_WeakMap);

/**
 * Gets the `toStringTag` of `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
var getTag = _baseGetTag;

// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((_DataView && getTag(new _DataView(new ArrayBuffer(1))) != dataViewTag$1) ||
    (_Map && getTag(new _Map) != mapTag$1) ||
    (_Promise && getTag(_Promise.resolve()) != promiseTag) ||
    (_Set && getTag(new _Set) != setTag$1) ||
    (_WeakMap && getTag(new _WeakMap) != weakMapTag$1)) {
  getTag = function(value) {
    var result = _baseGetTag(value),
        Ctor = result == objectTag$1 ? value.constructor : undefined,
        ctorString = Ctor ? _toSource(Ctor) : '';

    if (ctorString) {
      switch (ctorString) {
        case dataViewCtorString: return dataViewTag$1;
        case mapCtorString: return mapTag$1;
        case promiseCtorString: return promiseTag;
        case setCtorString: return setTag$1;
        case weakMapCtorString: return weakMapTag$1;
      }
    }
    return result;
  };
}

var _getTag = getTag;

/** Used for built-in method references. */
var objectProto$c = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty$a = objectProto$c.hasOwnProperty;

/**
 * Initializes an array clone.
 *
 * @private
 * @param {Array} array The array to clone.
 * @returns {Array} Returns the initialized clone.
 */
function initCloneArray(array) {
  var length = array.length,
      result = new array.constructor(length);

  // Add properties assigned by `RegExp#exec`.
  if (length && typeof array[0] == 'string' && hasOwnProperty$a.call(array, 'index')) {
    result.index = array.index;
    result.input = array.input;
  }
  return result;
}

var _initCloneArray = initCloneArray;

/** Built-in value references. */
var Uint8Array = _root.Uint8Array;

var _Uint8Array = Uint8Array;

/**
 * Creates a clone of `arrayBuffer`.
 *
 * @private
 * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
 * @returns {ArrayBuffer} Returns the cloned array buffer.
 */
function cloneArrayBuffer(arrayBuffer) {
  var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
  new _Uint8Array(result).set(new _Uint8Array(arrayBuffer));
  return result;
}

var _cloneArrayBuffer = cloneArrayBuffer;

/**
 * Creates a clone of `dataView`.
 *
 * @private
 * @param {Object} dataView The data view to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned data view.
 */
function cloneDataView(dataView, isDeep) {
  var buffer = isDeep ? _cloneArrayBuffer(dataView.buffer) : dataView.buffer;
  return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
}

var _cloneDataView = cloneDataView;

/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;

/**
 * Creates a clone of `regexp`.
 *
 * @private
 * @param {Object} regexp The regexp to clone.
 * @returns {Object} Returns the cloned regexp.
 */
function cloneRegExp(regexp) {
  var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
  result.lastIndex = regexp.lastIndex;
  return result;
}

var _cloneRegExp = cloneRegExp;

/** Used to convert symbols to primitives and strings. */
var symbolProto = _Symbol ? _Symbol.prototype : undefined,
    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

/**
 * Creates a clone of the `symbol` object.
 *
 * @private
 * @param {Object} symbol The symbol object to clone.
 * @returns {Object} Returns the cloned symbol object.
 */
function cloneSymbol(symbol) {
  return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
}

var _cloneSymbol = cloneSymbol;

/**
 * Creates a clone of `typedArray`.
 *
 * @private
 * @param {Object} typedArray The typed array to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the cloned typed array.
 */
function cloneTypedArray(typedArray, isDeep) {
  var buffer = isDeep ? _cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
  return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
}

var _cloneTypedArray = cloneTypedArray;

/** `Object#toString` result references. */
var boolTag$1 = '[object Boolean]',
    dateTag$1 = '[object Date]',
    mapTag$2 = '[object Map]',
    numberTag$1 = '[object Number]',
    regexpTag$1 = '[object RegExp]',
    setTag$2 = '[object Set]',
    stringTag$1 = '[object String]',
    symbolTag = '[object Symbol]';

var arrayBufferTag$1 = '[object ArrayBuffer]',
    dataViewTag$2 = '[object DataView]',
    float32Tag$1 = '[object Float32Array]',
    float64Tag$1 = '[object Float64Array]',
    int8Tag$1 = '[object Int8Array]',
    int16Tag$1 = '[object Int16Array]',
    int32Tag$1 = '[object Int32Array]',
    uint8Tag$1 = '[object Uint8Array]',
    uint8ClampedTag$1 = '[object Uint8ClampedArray]',
    uint16Tag$1 = '[object Uint16Array]',
    uint32Tag$1 = '[object Uint32Array]';

/**
 * Initializes an object clone based on its `toStringTag`.
 *
 * **Note:** This function only supports cloning values with tags of
 * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
 *
 * @private
 * @param {Object} object The object to clone.
 * @param {string} tag The `toStringTag` of the object to clone.
 * @param {boolean} [isDeep] Specify a deep clone.
 * @returns {Object} Returns the initialized clone.
 */
function initCloneByTag(object, tag, isDeep) {
  var Ctor = object.constructor;
  switch (tag) {
    case arrayBufferTag$1:
      return _cloneArrayBuffer(object);

    case boolTag$1:
    case dateTag$1:
      return new Ctor(+object);

    case dataViewTag$2:
      return _cloneDataView(object, isDeep);

    case float32Tag$1: case float64Tag$1:
    case int8Tag$1: case int16Tag$1: case int32Tag$1:
    case uint8Tag$1: case uint8ClampedTag$1: case uint16Tag$1: case uint32Tag$1:
      return _cloneTypedArray(object, isDeep);

    case mapTag$2:
      return new Ctor;

    case numberTag$1:
    case stringTag$1:
      return new Ctor(object);

    case regexpTag$1:
      return _cloneRegExp(object);

    case setTag$2:
      return new Ctor;

    case symbolTag:
      return _cloneSymbol(object);
  }
}

var _initCloneByTag = initCloneByTag;

/** Built-in value references. */
var objectCreate = Object.create;

/**
 * The base implementation of `_.create` without support for assigning
 * properties to the created object.
 *
 * @private
 * @param {Object} proto The object to inherit from.
 * @returns {Object} Returns the new object.
 */
var baseCreate = (function() {
  function object() {}
  return function(proto) {
    if (!isObject_1(proto)) {
      return {};
    }
    if (objectCreate) {
      return objectCreate(proto);
    }
    object.prototype = proto;
    var result = new object;
    object.prototype = undefined;
    return result;
  };
}());

var _baseCreate = baseCreate;

/**
 * Initializes an object clone.
 *
 * @private
 * @param {Object} object The object to clone.
 * @returns {Object} Returns the initialized clone.
 */
function initCloneObject(object) {
  return (typeof object.constructor == 'function' && !_isPrototype(object))
    ? _baseCreate(_getPrototype(object))
    : {};
}

var _initCloneObject = initCloneObject;

/** `Object#toString` result references. */
var mapTag$3 = '[object Map]';

/**
 * The base implementation of `_.isMap` without Node.js optimizations.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a map, else `false`.
 */
function baseIsMap(value) {
  return isObjectLike_1(value) && _getTag(value) == mapTag$3;
}

var _baseIsMap = baseIsMap;

/* Node.js helper references. */
var nodeIsMap = _nodeUtil && _nodeUtil.isMap;

/**
 * Checks if `value` is classified as a `Map` object.
 *
 * @static
 * @memberOf _
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a map, else `false`.
 * @example
 *
 * _.isMap(new Map);
 * // => true
 *
 * _.isMap(new WeakMap);
 * // => false
 */
var isMap = nodeIsMap ? _baseUnary(nodeIsMap) : _baseIsMap;

var isMap_1 = isMap;

/** `Object#toString` result references. */
var setTag$3 = '[object Set]';

/**
 * The base implementation of `_.isSet` without Node.js optimizations.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a set, else `false`.
 */
function baseIsSet(value) {
  return isObjectLike_1(value) && _getTag(value) == setTag$3;
}

var _baseIsSet = baseIsSet;

/* Node.js helper references. */
var nodeIsSet = _nodeUtil && _nodeUtil.isSet;

/**
 * Checks if `value` is classified as a `Set` object.
 *
 * @static
 * @memberOf _
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a set, else `false`.
 * @example
 *
 * _.isSet(new Set);
 * // => true
 *
 * _.isSet(new WeakSet);
 * // => false
 */
var isSet = nodeIsSet ? _baseUnary(nodeIsSet) : _baseIsSet;

var isSet_1 = isSet;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG = 1,
    CLONE_FLAT_FLAG = 2,
    CLONE_SYMBOLS_FLAG = 4;

/** `Object#toString` result references. */
var argsTag$2 = '[object Arguments]',
    arrayTag$1 = '[object Array]',
    boolTag$2 = '[object Boolean]',
    dateTag$2 = '[object Date]',
    errorTag$1 = '[object Error]',
    funcTag$2 = '[object Function]',
    genTag$1 = '[object GeneratorFunction]',
    mapTag$4 = '[object Map]',
    numberTag$2 = '[object Number]',
    objectTag$2 = '[object Object]',
    regexpTag$2 = '[object RegExp]',
    setTag$4 = '[object Set]',
    stringTag$2 = '[object String]',
    symbolTag$1 = '[object Symbol]',
    weakMapTag$2 = '[object WeakMap]';

var arrayBufferTag$2 = '[object ArrayBuffer]',
    dataViewTag$3 = '[object DataView]',
    float32Tag$2 = '[object Float32Array]',
    float64Tag$2 = '[object Float64Array]',
    int8Tag$2 = '[object Int8Array]',
    int16Tag$2 = '[object Int16Array]',
    int32Tag$2 = '[object Int32Array]',
    uint8Tag$2 = '[object Uint8Array]',
    uint8ClampedTag$2 = '[object Uint8ClampedArray]',
    uint16Tag$2 = '[object Uint16Array]',
    uint32Tag$2 = '[object Uint32Array]';

/** Used to identify `toStringTag` values supported by `_.clone`. */
var cloneableTags = {};
cloneableTags[argsTag$2] = cloneableTags[arrayTag$1] =
cloneableTags[arrayBufferTag$2] = cloneableTags[dataViewTag$3] =
cloneableTags[boolTag$2] = cloneableTags[dateTag$2] =
cloneableTags[float32Tag$2] = cloneableTags[float64Tag$2] =
cloneableTags[int8Tag$2] = cloneableTags[int16Tag$2] =
cloneableTags[int32Tag$2] = cloneableTags[mapTag$4] =
cloneableTags[numberTag$2] = cloneableTags[objectTag$2] =
cloneableTags[regexpTag$2] = cloneableTags[setTag$4] =
cloneableTags[stringTag$2] = cloneableTags[symbolTag$1] =
cloneableTags[uint8Tag$2] = cloneableTags[uint8ClampedTag$2] =
cloneableTags[uint16Tag$2] = cloneableTags[uint32Tag$2] = true;
cloneableTags[errorTag$1] = cloneableTags[funcTag$2] =
cloneableTags[weakMapTag$2] = false;

/**
 * The base implementation of `_.clone` and `_.cloneDeep` which tracks
 * traversed objects.
 *
 * @private
 * @param {*} value The value to clone.
 * @param {boolean} bitmask The bitmask flags.
 *  1 - Deep clone
 *  2 - Flatten inherited properties
 *  4 - Clone symbols
 * @param {Function} [customizer] The function to customize cloning.
 * @param {string} [key] The key of `value`.
 * @param {Object} [object] The parent object of `value`.
 * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
 * @returns {*} Returns the cloned value.
 */
function baseClone(value, bitmask, customizer, key, object, stack) {
  var result,
      isDeep = bitmask & CLONE_DEEP_FLAG,
      isFlat = bitmask & CLONE_FLAT_FLAG,
      isFull = bitmask & CLONE_SYMBOLS_FLAG;

  if (customizer) {
    result = object ? customizer(value, key, object, stack) : customizer(value);
  }
  if (result !== undefined) {
    return result;
  }
  if (!isObject_1(value)) {
    return value;
  }
  var isArr = isArray_1(value);
  if (isArr) {
    result = _initCloneArray(value);
    if (!isDeep) {
      return _copyArray(value, result);
    }
  } else {
    var tag = _getTag(value),
        isFunc = tag == funcTag$2 || tag == genTag$1;

    if (isBuffer_1$1(value)) {
      return _cloneBuffer(value, isDeep);
    }
    if (tag == objectTag$2 || tag == argsTag$2 || (isFunc && !object)) {
      result = (isFlat || isFunc) ? {} : _initCloneObject(value);
      if (!isDeep) {
        return isFlat
          ? _copySymbolsIn(value, _baseAssignIn(result, value))
          : _copySymbols(value, _baseAssign(result, value));
      }
    } else {
      if (!cloneableTags[tag]) {
        return object ? value : {};
      }
      result = _initCloneByTag(value, tag, isDeep);
    }
  }
  // Check for circular references and return its corresponding clone.
  stack || (stack = new _Stack);
  var stacked = stack.get(value);
  if (stacked) {
    return stacked;
  }
  stack.set(value, result);

  if (isSet_1(value)) {
    value.forEach(function(subValue) {
      result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
    });
  } else if (isMap_1(value)) {
    value.forEach(function(subValue, key) {
      result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
    });
  }

  var keysFunc = isFull
    ? (isFlat ? _getAllKeysIn : _getAllKeys)
    : (isFlat ? keysIn_1 : keys_1);

  var props = isArr ? undefined : keysFunc(value);
  _arrayEach(props || value, function(subValue, key) {
    if (props) {
      key = subValue;
      subValue = value[key];
    }
    // Recursively populate clone (susceptible to call stack limits).
    _assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
  });
  return result;
}

var _baseClone = baseClone;

/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG$1 = 1,
    CLONE_SYMBOLS_FLAG$1 = 4;

/**
 * This method is like `_.clone` except that it recursively clones `value`.
 *
 * @static
 * @memberOf _
 * @since 1.0.0
 * @category Lang
 * @param {*} value The value to recursively clone.
 * @returns {*} Returns the deep cloned value.
 * @see _.clone
 * @example
 *
 * var objects = [{ 'a': 1 }, { 'b': 2 }];
 *
 * var deep = _.cloneDeep(objects);
 * console.log(deep[0] === objects[0]);
 * // => false
 */
function cloneDeep(value) {
  return _baseClone(value, CLONE_DEEP_FLAG$1 | CLONE_SYMBOLS_FLAG$1);
}

var cloneDeep_1 = cloneDeep;

// 

/**
 * Used internally by vue-server-test-utils and test-utils to propagate/create vue instances.
 * This method is wrapped by createLocalVue in test-utils to provide a different public API signature
 * @param {Component} _Vue
 * @param {VueConfig} config
 * @returns {Component}
 */
function _createLocalVue(
  _Vue,
  config
) {
  if ( _Vue === void 0 ) _Vue = Vue;
  if ( config === void 0 ) config = {};

  var instance = _Vue.extend();

  // clone global APIs
  Object.keys(_Vue).forEach(function (key) {
    if (!instance.hasOwnProperty(key)) {
      var original = _Vue[key];
      // cloneDeep can fail when cloning Vue instances
      // cloneDeep checks that the instance has a Symbol
      // which errors in Vue < 2.17 (https://github.com/vuejs/vue/pull/7878)
      try {
        instance[key] =
          typeof original === 'object' ? cloneDeep_1(original) : original;
      } catch (e) {
        instance[key] = original;
      }
    }
  });

  // config is not enumerable
  instance.config = cloneDeep_1(Vue.config);

  // if a user defined errorHandler is defined by a localVue instance via createLocalVue, register it
  instance.config.errorHandler = config.errorHandler;

  // option merge strategies need to be exposed by reference
  // so that merge strats registered by plugins can work properly
  instance.config.optionMergeStrategies = Vue.config.optionMergeStrategies;

  // make sure all extends are based on this instance.
  // this is important so that global components registered by plugins,
  // e.g. router-link are created using the correct base constructor
  instance.options._base = instance;

  // compat for vue-router < 2.7.1 where it does not allow multiple installs
  if (instance._installedPlugins && instance._installedPlugins.length) {
    instance._installedPlugins.length = 0;
  }
  var use = instance.use;
  instance.use = function (plugin) {
    var rest = [], len = arguments.length - 1;
    while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ];

    if (plugin.installed === true) {
      plugin.installed = false;
    }
    if (plugin.install && plugin.install.installed === true) {
      plugin.install.installed = false;
    }
    use.call.apply(use, [ instance, plugin ].concat( rest ));
  };
  return instance
}

// 

function isValidSlot(slot) {
  return isVueComponent(slot) || typeof slot === 'string'
}

function requiresTemplateCompiler(slot) {
  if (typeof slot === 'string' && !vueTemplateCompiler.compileToFunctions) {
    throwError(
      "vueTemplateCompiler is undefined, you must pass " +
        "precompiled components if vue-template-compiler is " +
        "undefined"
    );
  }
}

function validateSlots(slots) {
  Object.keys(slots).forEach(function (key) {
    var slot = Array.isArray(slots[key]) ? slots[key] : [slots[key]];

    slot.forEach(function (slotValue) {
      if (!isValidSlot(slotValue)) {
        throwError(
          "slots[key] must be a Component, string or an array " +
            "of Components"
        );
      }
      requiresTemplateCompiler(slotValue);
    });
  });
}

function vueExtendUnsupportedOption(option) {
  return (
    "options." + option + " is not supported for " +
    "components created with Vue.extend in Vue < 2.3. " +
    "You can set " + option + " to false to mount the component."
  )
}
// these options aren't supported if Vue is version < 2.3
// for components using Vue.extend. This is due to a bug
// that means the mixins we use to add properties are not applied
// correctly
var UNSUPPORTED_VERSION_OPTIONS = ['mocks', 'stubs', 'localVue'];

function validateOptions(options, component) {
  if (
    options.attachTo &&
    !isHTMLElement(options.attachTo) &&
    !isDomSelector(options.attachTo)
  ) {
    throwError(
      "options.attachTo should be a valid HTMLElement or CSS selector string"
    );
  }
  if ('attachToDocument' in options) {
    warnDeprecated(
      "options.attachToDocument is deprecated in favor of options.attachTo and will be removed in a future release"
    );
  }
  if (options.parentComponent && !isPlainObject(options.parentComponent)) {
    throwError(
      "options.parentComponent should be a valid Vue component options object"
    );
  }

  if (!isFunctionalComponent(component) && options.context) {
    throwError(
      "mount.context can only be used when mounting a functional component"
    );
  }

  if (options.context && !isPlainObject(options.context)) {
    throwError('mount.context must be an object');
  }

  if (VUE_VERSION < 2.3 && isConstructor(component)) {
    UNSUPPORTED_VERSION_OPTIONS.forEach(function (option) {
      if (options[option]) {
        throwError(vueExtendUnsupportedOption(option));
      }
    });
  }

  if (options.slots) {
    compileTemplateForSlots(options.slots);
    // validate slots outside of the createSlots function so
    // that we can throw an error without it being caught by
    // the Vue error handler
    // $FlowIgnore
    validateSlots(options.slots);
  }
}

Vue.config.productionTip = false;
Vue.config.devtools = false;

function mount$1(component, options) {
  if ( options === void 0 ) options = {};

  warnIfNoWindow();

  polyfill();

  addGlobalErrorHandler(Vue);

  var _Vue = _createLocalVue(
    options.localVue,
    options.localVue ? options.localVue.config : undefined
  );

  var mergedOptions = mergeOptions(options, config);

  validateOptions(mergedOptions, component);

  var parentVm = createInstance(component, mergedOptions, _Vue);

  var el =
    options.attachToDocument || options.attachTo instanceof HTMLBodyElement
      ? createElement()
      : options.attachTo;
  var vm = parentVm.$mount(el);

  component._Ctor = {};

  throwIfInstancesThrew(vm);

  var wrapperOptions = {
    attachedToDocument: !!el
  };

  var root = parentVm.$options._isFunctionalContainer
    ? vm._vnode
    : vm.$children[0];

  return createWrapper(root, wrapperOptions)
}

// 

/**
 * Returns a local vue instance to add components, mixins and install plugins without polluting the global Vue class
 * @param {VueConfig} config
 * @returns {Component}
 */
function createLocalVue(config) {
  if ( config === void 0 ) config = {};

  return _createLocalVue(undefined, config)
}

const ROOT_SELECTOR = '[data-cy-root]';
/**
 * Gets the root element used to mount the component.
 * @returns {HTMLElement} The root element
 * @throws {Error} If the root element is not found
 */
const getContainerEl = () => {
    const el = document.querySelector(ROOT_SELECTOR);
    if (el) {
        return el;
    }
    throw Error(`No element found that matches selector ${ROOT_SELECTOR}. Please add a root element with data-cy-root attribute to your "component-index.html" file so that Cypress can attach your component to the DOM.`);
};
function checkForRemovedStyleOptions(mountingOptions) {
    for (const key of ['cssFile', 'cssFiles', 'style', 'styles', 'stylesheet', 'stylesheets']) {
        if (mountingOptions[key]) {
            Cypress.utils.throwErrByPath('mount.removed_style_mounting_options', key);
        }
    }
}
/**
 * Utility function to register CT side effects and run cleanup code during the "test:before:run" Cypress hook
 * @param optionalCallback Callback to be called before the next test runs
 */
function setupHooks(optionalCallback) {
    // We don't want CT side effects to run when e2e
    // testing so we early return.
    // System test to verify CT side effects do not pollute e2e: system-tests/test/e2e_with_mount_import_spec.ts
    if (Cypress.testingType !== 'component') {
        return;
    }
    // When running component specs, we cannot allow "cy.visit"
    // because it will wipe out our preparation work, and does not make much sense
    // thus we overwrite "cy.visit" to throw an error
    Cypress.Commands.overwrite('visit', () => {
        throw new Error('cy.visit from a component spec is not allowed');
    });
    Cypress.Commands.overwrite('session', () => {
        throw new Error('cy.session from a component spec is not allowed');
    });
    Cypress.Commands.overwrite('origin', () => {
        throw new Error('cy.origin from a component spec is not allowed');
    });
    // @ts-ignore
    Cypress.on('test:before:after:run:async', () => {
        optionalCallback === null || optionalCallback === void 0 ? void 0 : optionalCallback();
    });
}

/// <reference types="cypress" />
const defaultOptions = [
    'vue',
    'extensions',
];
const DEFAULT_COMP_NAME = 'unknown';
const registerGlobalComponents = (Vue, options) => {
    const globalComponents = Cypress._.get(options, 'extensions.components');
    if (Cypress._.isPlainObject(globalComponents)) {
        Cypress._.forEach(globalComponents, (component, id) => {
            Vue.component(id, component);
        });
    }
};
const installFilters = (Vue, options) => {
    const filters = Cypress._.get(options, 'extensions.filters');
    if (Cypress._.isPlainObject(filters)) {
        Object.keys(filters).forEach((name) => {
            Vue.filter(name, filters[name]);
        });
    }
};
const installPlugins = (Vue, options, props) => {
    const plugins = Cypress._.get(props, 'plugins') ||
        Cypress._.get(options, 'extensions.use') ||
        Cypress._.get(options, 'extensions.plugins') ||
        [];
    // @ts-ignore
    plugins.forEach((p) => {
        Array.isArray(p) ? Vue.use(...p) : Vue.use(p);
    });
};
const installMixins = (Vue, options) => {
    const mixins = Cypress._.get(options, 'extensions.mixin') ||
        Cypress._.get(options, 'extensions.mixins');
    if (Cypress._.isArray(mixins)) {
        mixins.forEach((mixin) => {
            Vue.mixin(mixin);
        });
    }
};
const registerGlobalDirectives = (Vue, options) => {
    const directives = Cypress._.get(options, 'extensions.directives');
    if (Cypress._.isPlainObject(directives)) {
        Object.keys(directives).forEach((name) => {
            Vue.directive(name, directives[name]);
        });
    }
};
const hasStore = ({ store }) => Boolean(store && store._vm);
const forEachValue = (obj, fn) => {
    return Object.keys(obj).forEach((key) => fn(obj[key], key));
};
const resetStoreVM = (Vue, { store }) => {
    // bind store public getters
    store.getters = {};
    const wrappedGetters = store._wrappedGetters;
    const computed = {};
    forEachValue(wrappedGetters, (fn, key) => {
        // use computed to leverage its lazy-caching mechanism
        computed[key] = () => fn(store);
        Object.defineProperty(store.getters, key, {
            get: () => store._vm[key],
            enumerable: true, // for local getters
        });
    });
    store._watcherVM = new Vue();
    store._vm = new Vue({
        data: {
            $$state: store._vm._data.$$state,
        },
        computed,
    });
    return store;
};
const cleanup = () => {
    var _a;
    (_a = Cypress.vueWrapper) === null || _a === void 0 ? void 0 : _a.destroy();
};
/**
 * Direct Vue errors to the top error handler
 * where they will fail Cypress test
 * @see https://vuejs.org/v2/api/#errorHandler
 * @see https://github.com/cypress-io/cypress/issues/7910
 */
function failTestOnVueError(err, vm, info) {
    // Vue 2 try catches the error-handler so push the error to be caught outside
    // of the handler.
    setTimeout(() => {
        throw err;
    });
}
/**
 * Extract the component name from the object passed to mount
 * @param componentOptions the component passed to mount
 * @returns name of the component
 */
function getComponentDisplayName(componentOptions) {
    var _a;
    if (componentOptions.name) {
        return componentOptions.name;
    }
    if (componentOptions.__file) {
        const filepathSplit = componentOptions.__file.split('/');
        const fileName = (_a = filepathSplit[filepathSplit.length - 1]) !== null && _a !== void 0 ? _a : DEFAULT_COMP_NAME;
        // remove the extension .js, .ts or .vue from the filename to get the name of the component
        const baseFileName = fileName.replace(/\.(js|ts|vue)?$/, '');
        // if the filename is index, then we can use the direct parent foldername, else use the name itself
        return (baseFileName === 'index' ? filepathSplit[filepathSplit.length - 2] : baseFileName);
    }
    return DEFAULT_COMP_NAME;
}
/**
 * Mounts a Vue component inside Cypress browser.
 * @param {VueComponent} component imported from Vue file
 * @param {MountOptionsArgument} optionsOrProps used to pass options to component being mounted
 * @returns {Cypress.Chainable<{wrapper: Wrapper<T>, component: T}
 * @example
 * import { mount } from '@cypress/vue'
 * import { Stepper } from './Stepper.vue'
 *
 * it('mounts', () => {
 *   cy.mount(Stepper)
 *   cy.get('[data-cy=increment]').click()
 *   cy.get('[data-cy=counter]').should('have.text', '1')
 * })
 * @see {@link https://on.cypress.io/mounting-vue} for more details.
 *
 */
const mount = (component, optionsOrProps = {}) => {
    checkForRemovedStyleOptions(optionsOrProps);
    // Remove last mounted component if cy.mount is called more than once in a test
    cleanup();
    const options = Cypress._.pick(optionsOrProps, defaultOptions);
    const props = Cypress._.omit(optionsOrProps, defaultOptions);
    const componentName = getComponentDisplayName(component);
    const message = `<${componentName} ... />`;
    return cy
        .window({
        log: false,
    })
        .then((win) => {
        const localVue = createLocalVue();
        // @ts-ignore
        win.Vue = localVue;
        localVue.config.errorHandler = failTestOnVueError;
        // set global Vue instance:
        // 1. convenience for debugging in DevTools
        // 2. some libraries might check for this global
        // appIframe.contentWindow.Vue = localVue
        // refresh inner Vue instance of Vuex store
        // @ts-ignore
        if (hasStore(component)) {
            // @ts-ignore
            component.store = resetStoreVM(localVue, component);
        }
        // @ts-ignore
        const document = cy.state('document');
        let el = getContainerEl();
        const componentNode = document.createElement('div');
        el.append(componentNode);
        // setup Vue instance
        installFilters(localVue, options);
        installMixins(localVue, options);
        installPlugins(localVue, options, props);
        registerGlobalDirectives(localVue, options);
        registerGlobalComponents(localVue, options);
        props.attachTo = componentNode;
        const wrapper = localVue.extend(component);
        const VTUWrapper = mount$1(wrapper, Object.assign({ localVue }, props));
        Cypress.vue = VTUWrapper.vm;
        Cypress.vueWrapper = VTUWrapper;
        return {
            wrapper: VTUWrapper,
            component: VTUWrapper.vm,
        };
    })
        .then(() => {
        if (optionsOrProps.log !== false) {
            return Vue.nextTick(() => {
                Cypress.log({
                    name: 'mount',
                    message: [message],
                });
            });
        }
    });
};
/**
 * Helper function for mounting a component quickly in test hooks.
 * @example
 *  import {mountCallback} from '@cypress/vue2'
 *  beforeEach(mountVue(component, options))
 *
 * Removed as of Cypress 11.0.0.
 * @see https://on.cypress.io/migration-11-0-0-component-testing-updates
 */
const mountCallback = (component, options) => {
    return () => {
        // @ts-expect-error - undocumented API
        Cypress.utils.throwErrByPath('mount.mount_callback');
    };
};
// Side effects from "import { mount } from '@cypress/<my-framework>'" are annoying, we should avoid doing this
// by creating an explicit function/import that the user can register in their 'component.js' support file,
// such as:
//    import 'cypress/<my-framework>/support'
// or
//    import { registerCT } from 'cypress/<my-framework>'
//    registerCT()
// Note: This would be a breaking change
setupHooks(cleanup);

export { mount, mountCallback };