import '@vitest/utils';

function collectOwnProperties(obj, collector) {
  const collect = typeof collector === "function" ? collector : (key) => collector.add(key);
  Object.getOwnPropertyNames(obj).forEach(collect);
  Object.getOwnPropertySymbols(obj).forEach(collect);
}
function groupBy(collection, iteratee) {
  return collection.reduce((acc, item) => {
    const key = iteratee(item);
    acc[key] || (acc[key] = []);
    acc[key].push(item);
    return acc;
  }, {});
}
function isPrimitive(value) {
  return value === null || typeof value !== "function" && typeof value !== "object";
}
function getAllMockableProperties(obj, isModule, constructors) {
  const {
    Map,
    Object: Object2,
    Function,
    RegExp,
    Array: Array2
  } = constructors;
  const allProps = new Map();
  let curr = obj;
  do {
    if (curr === Object2.prototype || curr === Function.prototype || curr === RegExp.prototype)
      break;
    collectOwnProperties(curr, (key) => {
      const descriptor = Object2.getOwnPropertyDescriptor(curr, key);
      if (descriptor)
        allProps.set(key, { key, descriptor });
    });
  } while (curr = Object2.getPrototypeOf(curr));
  if (isModule && !allProps.has("default") && "default" in obj) {
    const descriptor = Object2.getOwnPropertyDescriptor(obj, "default");
    if (descriptor)
      allProps.set("default", { key: "default", descriptor });
  }
  return Array2.from(allProps.values());
}
function slash(str) {
  return str.replace(/\\/g, "/");
}
function noop() {
}
function toArray(array) {
  if (array === null || array === void 0)
    array = [];
  if (Array.isArray(array))
    return array;
  return [array];
}
function toString(v) {
  return Object.prototype.toString.call(v);
}
function isPlainObject(val) {
  return toString(val) === "[object Object]" && (!val.constructor || val.constructor.name === "Object");
}
function deepMerge(target, ...sources) {
  if (!sources.length)
    return target;
  const source = sources.shift();
  if (source === void 0)
    return target;
  if (isMergeableObject(target) && isMergeableObject(source)) {
    Object.keys(source).forEach((key) => {
      if (isMergeableObject(source[key])) {
        if (!target[key])
          target[key] = {};
        deepMerge(target[key], source[key]);
      } else {
        target[key] = source[key];
      }
    });
  }
  return deepMerge(target, ...sources);
}
function isMergeableObject(item) {
  return isPlainObject(item) && !Array.isArray(item);
}
function stdout() {
  return console._stdout || process.stdout;
}
class AggregateErrorPonyfill extends Error {
  errors;
  constructor(errors, message = "") {
    super(message);
    this.errors = [...errors];
  }
}
function isChildProcess() {
  return typeof process !== "undefined" && !!process.send;
}
function setProcessTitle(title) {
  try {
    process.title = `node (${title})`;
  } catch {
  }
}

export { AggregateErrorPonyfill as A, isPrimitive as a, slash as b, stdout as c, deepMerge as d, getAllMockableProperties as e, groupBy as g, isChildProcess as i, noop as n, setProcessTitle as s, toArray as t };