three-stdlib/libs/chevrotain.cjs.map

stand-alone library of threejs examples

{"version":3,"file":"chevrotain.cjs","sources":["../../src/libs/chevrotain.js"],"sourcesContent":["const { CstParser, Lexer, createToken } = /* @__PURE__ */ (() => {\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global\n\n  const freeGlobal$1 = freeGlobal\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal$1 || freeSelf || Function('return this')()\n\n  const root$1 = root\n\n  /** Built-in value references. */\n  var Symbol$1 = root$1.Symbol\n\n  const Symbol$2 = Symbol$1\n\n  /** Used for built-in method references. */\n  var objectProto$j = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$g = objectProto$j.hasOwnProperty\n\n  /**\n   * Used to resolve the\n   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n   * of values.\n   */\n  var nativeObjectToString$1 = objectProto$j.toString\n\n  /** Built-in value references. */\n  var symToStringTag$1 = Symbol$2 ? Symbol$2.toStringTag : undefined\n\n  /**\n   * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n   *\n   * @private\n   * @param {*} value The value to query.\n   * @returns {string} Returns the raw `toStringTag`.\n   */\n  function getRawTag(value) {\n    var isOwn = hasOwnProperty$g.call(value, symToStringTag$1),\n      tag = value[symToStringTag$1]\n\n    try {\n      value[symToStringTag$1] = undefined\n      var unmasked = true\n    } catch (e) {}\n\n    var result = nativeObjectToString$1.call(value)\n    if (unmasked) {\n      if (isOwn) {\n        value[symToStringTag$1] = tag\n      } else {\n        delete value[symToStringTag$1]\n      }\n    }\n    return result\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$i = Object.prototype\n\n  /**\n   * Used to resolve the\n   * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n   * of values.\n   */\n  var nativeObjectToString = objectProto$i.toString\n\n  /**\n   * Converts `value` to a string using `Object.prototype.toString`.\n   *\n   * @private\n   * @param {*} value The value to convert.\n   * @returns {string} Returns the converted string.\n   */\n  function objectToString(value) {\n    return nativeObjectToString.call(value)\n  }\n\n  /** `Object#toString` result references. */\n  var nullTag = '[object Null]',\n    undefinedTag = '[object Undefined]'\n\n  /** Built-in value references. */\n  var symToStringTag = Symbol$2 ? Symbol$2.toStringTag : undefined\n\n  /**\n   * The base implementation of `getTag` without fallbacks for buggy environments.\n   *\n   * @private\n   * @param {*} value The value to query.\n   * @returns {string} Returns the `toStringTag`.\n   */\n  function baseGetTag(value) {\n    if (value == null) {\n      return value === undefined ? undefinedTag : nullTag\n    }\n    return symToStringTag && symToStringTag in Object(value) ? getRawTag(value) : objectToString(value)\n  }\n\n  /**\n   * Checks if `value` is object-like. A value is object-like if it's not `null`\n   * and has a `typeof` result of \"object\".\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n   * @example\n   *\n   * _.isObjectLike({});\n   * // => true\n   *\n   * _.isObjectLike([1, 2, 3]);\n   * // => true\n   *\n   * _.isObjectLike(_.noop);\n   * // => false\n   *\n   * _.isObjectLike(null);\n   * // => false\n   */\n  function isObjectLike(value) {\n    return value != null && typeof value == 'object'\n  }\n\n  /** `Object#toString` result references. */\n  var symbolTag$3 = '[object Symbol]'\n\n  /**\n   * Checks if `value` is classified as a `Symbol` primitive or object.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n   * @example\n   *\n   * _.isSymbol(Symbol.iterator);\n   * // => true\n   *\n   * _.isSymbol('abc');\n   * // => false\n   */\n  function isSymbol(value) {\n    return typeof value == 'symbol' || (isObjectLike(value) && baseGetTag(value) == symbolTag$3)\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n      length = array == null ? 0 : array.length,\n      result = Array(length)\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array)\n    }\n    return result\n  }\n\n  /**\n   * Checks if `value` is classified as an `Array` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 0.1.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n   * @example\n   *\n   * _.isArray([1, 2, 3]);\n   * // => true\n   *\n   * _.isArray(document.body.children);\n   * // => false\n   *\n   * _.isArray('abc');\n   * // => false\n   *\n   * _.isArray(_.noop);\n   * // => false\n   */\n  var isArray = Array.isArray\n\n  const isArray$1 = isArray\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY$3 = 1 / 0\n\n  /** Used to convert symbols to primitives and strings. */\n  var symbolProto$2 = Symbol$2 ? Symbol$2.prototype : undefined,\n    symbolToString = symbolProto$2 ? symbolProto$2.toString : undefined\n\n  /**\n   * The base implementation of `_.toString` which doesn't convert nullish\n   * values to empty strings.\n   *\n   * @private\n   * @param {*} value The value to process.\n   * @returns {string} Returns the string.\n   */\n  function baseToString(value) {\n    // Exit early for strings to avoid a performance hit in some environments.\n    if (typeof value == 'string') {\n      return value\n    }\n    if (isArray$1(value)) {\n      // Recursively convert values (susceptible to call stack limits).\n      return arrayMap(value, baseToString) + ''\n    }\n    if (isSymbol(value)) {\n      return symbolToString ? symbolToString.call(value) : ''\n    }\n    var result = value + ''\n    return result == '0' && 1 / value == -INFINITY$3 ? '-0' : result\n  }\n\n  /** Used to match a single whitespace character. */\n  var reWhitespace = /\\s/\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n   * character of `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the index of the last non-whitespace character.\n   */\n  function trimmedEndIndex(string) {\n    var index = string.length\n\n    while (index-- && reWhitespace.test(string.charAt(index))) {}\n    return index\n  }\n\n  /** Used to match leading whitespace. */\n  var reTrimStart = /^\\s+/\n\n  /**\n   * The base implementation of `_.trim`.\n   *\n   * @private\n   * @param {string} string The string to trim.\n   * @returns {string} Returns the trimmed string.\n   */\n  function baseTrim(string) {\n    return string ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '') : string\n  }\n\n  /**\n   * Checks if `value` is the\n   * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n   * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n   *\n   * @static\n   * @memberOf _\n   * @since 0.1.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n   * @example\n   *\n   * _.isObject({});\n   * // => true\n   *\n   * _.isObject([1, 2, 3]);\n   * // => true\n   *\n   * _.isObject(_.noop);\n   * // => true\n   *\n   * _.isObject(null);\n   * // => false\n   */\n  function isObject(value) {\n    var type = typeof value\n    return value != null && (type == 'object' || type == 'function')\n  }\n\n  /** Used as references for various `Number` constants. */\n  var NAN = 0 / 0\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseInt = parseInt\n\n  /**\n   * Converts `value` to a number.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to process.\n   * @returns {number} Returns the number.\n   * @example\n   *\n   * _.toNumber(3.2);\n   * // => 3.2\n   *\n   * _.toNumber(Number.MIN_VALUE);\n   * // => 5e-324\n   *\n   * _.toNumber(Infinity);\n   * // => Infinity\n   *\n   * _.toNumber('3.2');\n   * // => 3.2\n   */\n  function toNumber(value) {\n    if (typeof value == 'number') {\n      return value\n    }\n    if (isSymbol(value)) {\n      return NAN\n    }\n    if (isObject(value)) {\n      var other = typeof value.valueOf == 'function' ? value.valueOf() : value\n      value = isObject(other) ? other + '' : other\n    }\n    if (typeof value != 'string') {\n      return value === 0 ? value : +value\n    }\n    value = baseTrim(value)\n    var isBinary = reIsBinary.test(value)\n    return isBinary || reIsOctal.test(value)\n      ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n      : reIsBadHex.test(value)\n      ? NAN\n      : +value\n  }\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY$2 = 1 / 0,\n    MAX_INTEGER = 1.7976931348623157e308\n\n  /**\n   * Converts `value` to a finite number.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.12.0\n   * @category Lang\n   * @param {*} value The value to convert.\n   * @returns {number} Returns the converted number.\n   * @example\n   *\n   * _.toFinite(3.2);\n   * // => 3.2\n   *\n   * _.toFinite(Number.MIN_VALUE);\n   * // => 5e-324\n   *\n   * _.toFinite(Infinity);\n   * // => 1.7976931348623157e+308\n   *\n   * _.toFinite('3.2');\n   * // => 3.2\n   */\n  function toFinite(value) {\n    if (!value) {\n      return value === 0 ? value : 0\n    }\n    value = toNumber(value)\n    if (value === INFINITY$2 || value === -INFINITY$2) {\n      var sign = value < 0 ? -1 : 1\n      return sign * MAX_INTEGER\n    }\n    return value === value ? value : 0\n  }\n\n  /**\n   * Converts `value` to an integer.\n   *\n   * **Note:** This method is loosely based on\n   * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to convert.\n   * @returns {number} Returns the converted integer.\n   * @example\n   *\n   * _.toInteger(3.2);\n   * // => 3\n   *\n   * _.toInteger(Number.MIN_VALUE);\n   * // => 0\n   *\n   * _.toInteger(Infinity);\n   * // => 1.7976931348623157e+308\n   *\n   * _.toInteger('3.2');\n   * // => 3\n   */\n  function toInteger(value) {\n    var result = toFinite(value),\n      remainder = result % 1\n\n    return result === result ? (remainder ? result - remainder : result) : 0\n  }\n\n  /**\n   * This method returns the first argument it receives.\n   *\n   * @static\n   * @since 0.1.0\n   * @memberOf _\n   * @category Util\n   * @param {*} value Any value.\n   * @returns {*} Returns `value`.\n   * @example\n   *\n   * var object = { 'a': 1 };\n   *\n   * console.log(_.identity(object) === object);\n   * // => true\n   */\n  function identity(value) {\n    return value\n  }\n\n  /** `Object#toString` result references. */\n  var asyncTag = '[object AsyncFunction]',\n    funcTag$2 = '[object Function]',\n    genTag$1 = '[object GeneratorFunction]',\n    proxyTag = '[object Proxy]'\n\n  /**\n   * Checks if `value` is classified as a `Function` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 0.1.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n   * @example\n   *\n   * _.isFunction(_);\n   * // => true\n   *\n   * _.isFunction(/abc/);\n   * // => false\n   */\n  function isFunction(value) {\n    if (!isObject(value)) {\n      return false\n    }\n    // The use of `Object#toString` avoids issues with the `typeof` operator\n    // in Safari 9 which returns 'object' for typed arrays and other constructors.\n    var tag = baseGetTag(value)\n    return tag == funcTag$2 || tag == genTag$1 || tag == asyncTag || tag == proxyTag\n  }\n\n  /** Used to detect overreaching core-js shims. */\n  var coreJsData = root$1['__core-js_shared__']\n\n  const coreJsData$1 = coreJsData\n\n  /** Used to detect methods masquerading as native. */\n  var maskSrcKey = (function () {\n    var uid = /[^.]+$/.exec((coreJsData$1 && coreJsData$1.keys && coreJsData$1.keys.IE_PROTO) || '')\n    return uid ? 'Symbol(src)_1.' + uid : ''\n  })()\n\n  /**\n   * Checks if `func` has its source masked.\n   *\n   * @private\n   * @param {Function} func The function to check.\n   * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n   */\n  function isMasked(func) {\n    return !!maskSrcKey && maskSrcKey in func\n  }\n\n  /** Used for built-in method references. */\n  var funcProto$1 = Function.prototype\n\n  /** Used to resolve the decompiled source of functions. */\n  var funcToString$1 = funcProto$1.toString\n\n  /**\n   * Converts `func` to its source code.\n   *\n   * @private\n   * @param {Function} func The function to convert.\n   * @returns {string} Returns the source code.\n   */\n  function toSource(func) {\n    if (func != null) {\n      try {\n        return funcToString$1.call(func)\n      } catch (e) {}\n      try {\n        return func + ''\n      } catch (e) {}\n    }\n    return ''\n  }\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/\n\n  /** Used for built-in method references. */\n  var funcProto = Function.prototype,\n    objectProto$h = Object.prototype\n\n  /** Used to resolve the decompiled source of functions. */\n  var funcToString = funcProto.toString\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$f = objectProto$h.hasOwnProperty\n\n  /** Used to detect if a method is native. */\n  var reIsNative = RegExp(\n    '^' +\n      funcToString\n        .call(hasOwnProperty$f)\n        .replace(reRegExpChar, '\\\\$&')\n        .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') +\n      '$',\n  )\n\n  /**\n   * The base implementation of `_.isNative` without bad shim checks.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a native function,\n   *  else `false`.\n   */\n  function baseIsNative(value) {\n    if (!isObject(value) || isMasked(value)) {\n      return false\n    }\n    var pattern = isFunction(value) ? reIsNative : reIsHostCtor\n    return pattern.test(toSource(value))\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key]\n  }\n\n  /**\n   * Gets the native function at `key` of `object`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {string} key The key of the method to get.\n   * @returns {*} Returns the function if it's native, else `undefined`.\n   */\n  function getNative(object, key) {\n    var value = getValue(object, key)\n    return baseIsNative(value) ? value : undefined\n  }\n\n  /* Built-in method references that are verified to be native. */\n  var WeakMap = getNative(root$1, 'WeakMap')\n\n  const WeakMap$1 = WeakMap\n\n  /** Built-in value references. */\n  var objectCreate = Object.create\n\n  /**\n   * The base implementation of `_.create` without support for assigning\n   * properties to the created object.\n   *\n   * @private\n   * @param {Object} proto The object to inherit from.\n   * @returns {Object} Returns the new object.\n   */\n  var baseCreate = (function () {\n    function object() {}\n    return function (proto) {\n      if (!isObject(proto)) {\n        return {}\n      }\n      if (objectCreate) {\n        return objectCreate(proto)\n      }\n      object.prototype = proto\n      var result = new object()\n      object.prototype = undefined\n      return result\n    }\n  })()\n\n  const baseCreate$1 = baseCreate\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0:\n        return func.call(thisArg)\n      case 1:\n        return func.call(thisArg, args[0])\n      case 2:\n        return func.call(thisArg, args[0], args[1])\n      case 3:\n        return func.call(thisArg, args[0], args[1], args[2])\n    }\n    return func.apply(thisArg, args)\n  }\n\n  /**\n   * This method returns `undefined`.\n   *\n   * @static\n   * @memberOf _\n   * @since 2.3.0\n   * @category Util\n   * @example\n   *\n   * _.times(2, _.noop);\n   * // => [undefined, undefined]\n   */\n  function noop() {\n    // No operation performed.\n  }\n\n  /**\n   * Copies the values of `source` to `array`.\n   *\n   * @private\n   * @param {Array} source The array to copy values from.\n   * @param {Array} [array=[]] The array to copy values to.\n   * @returns {Array} Returns `array`.\n   */\n  function copyArray(source, array) {\n    var index = -1,\n      length = source.length\n\n    array || (array = Array(length))\n    while (++index < length) {\n      array[index] = source[index]\n    }\n    return array\n  }\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n    HOT_SPAN = 16\n\n  /* Built-in method references for those with the same name as other `lodash` methods. */\n  var nativeNow = Date.now\n\n  /**\n   * Creates a function that'll short out and invoke `identity` instead\n   * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n   * milliseconds.\n   *\n   * @private\n   * @param {Function} func The function to restrict.\n   * @returns {Function} Returns the new shortable function.\n   */\n  function shortOut(func) {\n    var count = 0,\n      lastCalled = 0\n\n    return function () {\n      var stamp = nativeNow(),\n        remaining = HOT_SPAN - (stamp - lastCalled)\n\n      lastCalled = stamp\n      if (remaining > 0) {\n        if (++count >= HOT_COUNT) {\n          return arguments[0]\n        }\n      } else {\n        count = 0\n      }\n      return func.apply(undefined, arguments)\n    }\n  }\n\n  /**\n   * Creates a function that returns `value`.\n   *\n   * @static\n   * @memberOf _\n   * @since 2.4.0\n   * @category Util\n   * @param {*} value The value to return from the new function.\n   * @returns {Function} Returns the new constant function.\n   * @example\n   *\n   * var objects = _.times(2, _.constant({ 'a': 1 }));\n   *\n   * console.log(objects);\n   * // => [{ 'a': 1 }, { 'a': 1 }]\n   *\n   * console.log(objects[0] === objects[1]);\n   * // => true\n   */\n  function constant(value) {\n    return function () {\n      return value\n    }\n  }\n\n  var defineProperty = (function () {\n    try {\n      var func = getNative(Object, 'defineProperty')\n      func({}, '', {})\n      return func\n    } catch (e) {}\n  })()\n\n  const defineProperty$1 = defineProperty\n\n  /**\n   * The base implementation of `setToString` without support for hot loop shorting.\n   *\n   * @private\n   * @param {Function} func The function to modify.\n   * @param {Function} string The `toString` result.\n   * @returns {Function} Returns `func`.\n   */\n  var baseSetToString = !defineProperty$1\n    ? identity\n    : function (func, string) {\n        return defineProperty$1(func, 'toString', {\n          configurable: true,\n          enumerable: false,\n          value: constant(string),\n          writable: true,\n        })\n      }\n\n  const baseSetToString$1 = baseSetToString\n\n  /**\n   * Sets the `toString` method of `func` to return `string`.\n   *\n   * @private\n   * @param {Function} func The function to modify.\n   * @param {Function} string The `toString` result.\n   * @returns {Function} Returns `func`.\n   */\n  var setToString = shortOut(baseSetToString$1)\n\n  const setToString$1 = setToString\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n      length = array == null ? 0 : array.length\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break\n      }\n    }\n    return array\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n      index = fromIndex + (fromRight ? 1 : -1)\n\n    while (fromRight ? index-- : ++index < length) {\n      if (predicate(array[index], index, array)) {\n        return index\n      }\n    }\n    return -1\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n      length = array.length\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index\n      }\n    }\n    return -1\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value ? strictIndexOf(array, value, fromIndex) : baseFindIndex(array, baseIsNaN, fromIndex)\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length\n    return !!length && baseIndexOf(array, value, 0) > -1\n  }\n\n  /** Used as references for various `Number` constants. */\n  var MAX_SAFE_INTEGER$1 = 9007199254740991\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/\n\n  /**\n   * Checks if `value` is a valid array-like index.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n   * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n   */\n  function isIndex(value, length) {\n    var type = typeof value\n    length = length == null ? MAX_SAFE_INTEGER$1 : length\n\n    return (\n      !!length &&\n      (type == 'number' || (type != 'symbol' && reIsUint.test(value))) &&\n      value > -1 &&\n      value % 1 == 0 &&\n      value < length\n    )\n  }\n\n  /**\n   * The base implementation of `assignValue` and `assignMergeValue` without\n   * value checks.\n   *\n   * @private\n   * @param {Object} object The object to modify.\n   * @param {string} key The key of the property to assign.\n   * @param {*} value The value to assign.\n   */\n  function baseAssignValue(object, key, value) {\n    if (key == '__proto__' && defineProperty$1) {\n      defineProperty$1(object, key, {\n        configurable: true,\n        enumerable: true,\n        value: value,\n        writable: true,\n      })\n    } else {\n      object[key] = value\n    }\n  }\n\n  /**\n   * Performs a\n   * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n   * comparison between two values to determine if they are equivalent.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to compare.\n   * @param {*} other The other value to compare.\n   * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n   * @example\n   *\n   * var object = { 'a': 1 };\n   * var other = { 'a': 1 };\n   *\n   * _.eq(object, object);\n   * // => true\n   *\n   * _.eq(object, other);\n   * // => false\n   *\n   * _.eq('a', 'a');\n   * // => true\n   *\n   * _.eq('a', Object('a'));\n   * // => false\n   *\n   * _.eq(NaN, NaN);\n   * // => true\n   */\n  function eq(value, other) {\n    return value === other || (value !== value && other !== other)\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$g = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$e = objectProto$g.hasOwnProperty\n\n  /**\n   * Assigns `value` to `key` of `object` if the existing value is not equivalent\n   * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n   * for equality comparisons.\n   *\n   * @private\n   * @param {Object} object The object to modify.\n   * @param {string} key The key of the property to assign.\n   * @param {*} value The value to assign.\n   */\n  function assignValue(object, key, value) {\n    var objValue = object[key]\n    if (!(hasOwnProperty$e.call(object, key) && eq(objValue, value)) || (value === undefined && !(key in object))) {\n      baseAssignValue(object, key, value)\n    }\n  }\n\n  /**\n   * Copies properties of `source` to `object`.\n   *\n   * @private\n   * @param {Object} source The object to copy properties from.\n   * @param {Array} props The property identifiers to copy.\n   * @param {Object} [object={}] The object to copy properties to.\n   * @param {Function} [customizer] The function to customize copied values.\n   * @returns {Object} Returns `object`.\n   */\n  function copyObject(source, props, object, customizer) {\n    var isNew = !object\n    object || (object = {})\n\n    var index = -1,\n      length = props.length\n\n    while (++index < length) {\n      var key = props[index]\n\n      var newValue = customizer ? customizer(object[key], source[key], key, object, source) : undefined\n\n      if (newValue === undefined) {\n        newValue = source[key]\n      }\n      if (isNew) {\n        baseAssignValue(object, key, newValue)\n      } else {\n        assignValue(object, key, newValue)\n      }\n    }\n    return object\n  }\n\n  /* Built-in method references for those with the same name as other `lodash` methods. */\n  var nativeMax$3 = Math.max\n\n  /**\n   * A specialized version of `baseRest` which transforms the rest array.\n   *\n   * @private\n   * @param {Function} func The function to apply a rest parameter to.\n   * @param {number} [start=func.length-1] The start position of the rest parameter.\n   * @param {Function} transform The rest array transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overRest(func, start, transform) {\n    start = nativeMax$3(start === undefined ? func.length - 1 : start, 0)\n    return function () {\n      var args = arguments,\n        index = -1,\n        length = nativeMax$3(args.length - start, 0),\n        array = Array(length)\n\n      while (++index < length) {\n        array[index] = args[start + index]\n      }\n      index = -1\n      var otherArgs = Array(start + 1)\n      while (++index < start) {\n        otherArgs[index] = args[index]\n      }\n      otherArgs[start] = transform(array)\n      return apply(func, this, otherArgs)\n    }\n  }\n\n  /**\n   * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n   *\n   * @private\n   * @param {Function} func The function to apply a rest parameter to.\n   * @param {number} [start=func.length-1] The start position of the rest parameter.\n   * @returns {Function} Returns the new function.\n   */\n  function baseRest(func, start) {\n    return setToString$1(overRest(func, start, identity), func + '')\n  }\n\n  /** Used as references for various `Number` constants. */\n  var MAX_SAFE_INTEGER = 9007199254740991\n\n  /**\n   * Checks if `value` is a valid array-like length.\n   *\n   * **Note:** This method is loosely based on\n   * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n   * @example\n   *\n   * _.isLength(3);\n   * // => true\n   *\n   * _.isLength(Number.MIN_VALUE);\n   * // => false\n   *\n   * _.isLength(Infinity);\n   * // => false\n   *\n   * _.isLength('3');\n   * // => false\n   */\n  function isLength(value) {\n    return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER\n  }\n\n  /**\n   * Checks if `value` is array-like. A value is considered array-like if it's\n   * not a function and has a `value.length` that's an integer greater than or\n   * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.0.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n   * @example\n   *\n   * _.isArrayLike([1, 2, 3]);\n   * // => true\n   *\n   * _.isArrayLike(document.body.children);\n   * // => true\n   *\n   * _.isArrayLike('abc');\n   * // => true\n   *\n   * _.isArrayLike(_.noop);\n   * // => false\n   */\n  function isArrayLike(value) {\n    return value != null && isLength(value.length) && !isFunction(value)\n  }\n\n  /**\n   * Checks if the given arguments are from an iteratee call.\n   *\n   * @private\n   * @param {*} value The potential iteratee value argument.\n   * @param {*} index The potential iteratee index or key argument.\n   * @param {*} object The potential iteratee object argument.\n   * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n   *  else `false`.\n   */\n  function isIterateeCall(value, index, object) {\n    if (!isObject(object)) {\n      return false\n    }\n    var type = typeof index\n    if (type == 'number' ? isArrayLike(object) && isIndex(index, object.length) : type == 'string' && index in object) {\n      return eq(object[index], value)\n    }\n    return false\n  }\n\n  /**\n   * Creates a function like `_.assign`.\n   *\n   * @private\n   * @param {Function} assigner The function to assign values.\n   * @returns {Function} Returns the new assigner function.\n   */\n  function createAssigner(assigner) {\n    return baseRest(function (object, sources) {\n      var index = -1,\n        length = sources.length,\n        customizer = length > 1 ? sources[length - 1] : undefined,\n        guard = length > 2 ? sources[2] : undefined\n\n      customizer = assigner.length > 3 && typeof customizer == 'function' ? (length--, customizer) : undefined\n\n      if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n        customizer = length < 3 ? undefined : customizer\n        length = 1\n      }\n      object = Object(object)\n      while (++index < length) {\n        var source = sources[index]\n        if (source) {\n          assigner(object, source, index, customizer)\n        }\n      }\n      return object\n    })\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$f = Object.prototype\n\n  /**\n   * Checks if `value` is likely a prototype object.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n   */\n  function isPrototype(value) {\n    var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$f\n\n    return value === proto\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n      result = Array(n)\n\n    while (++index < n) {\n      result[index] = iteratee(index)\n    }\n    return result\n  }\n\n  /** `Object#toString` result references. */\n  var argsTag$3 = '[object Arguments]'\n\n  /**\n   * The base implementation of `_.isArguments`.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n   */\n  function baseIsArguments(value) {\n    return isObjectLike(value) && baseGetTag(value) == argsTag$3\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$e = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$d = objectProto$e.hasOwnProperty\n\n  /** Built-in value references. */\n  var propertyIsEnumerable$1 = objectProto$e.propertyIsEnumerable\n\n  /**\n   * Checks if `value` is likely an `arguments` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 0.1.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n   *  else `false`.\n   * @example\n   *\n   * _.isArguments(function() { return arguments; }());\n   * // => true\n   *\n   * _.isArguments([1, 2, 3]);\n   * // => false\n   */\n  var isArguments = baseIsArguments(\n    (function () {\n      return arguments\n    })(),\n  )\n    ? baseIsArguments\n    : function (value) {\n        return (\n          isObjectLike(value) && hasOwnProperty$d.call(value, 'callee') && !propertyIsEnumerable$1.call(value, 'callee')\n        )\n      }\n\n  const isArguments$1 = isArguments\n\n  /**\n   * This method returns `false`.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.13.0\n   * @category Util\n   * @returns {boolean} Returns `false`.\n   * @example\n   *\n   * _.times(2, _.stubFalse);\n   * // => [false, false]\n   */\n  function stubFalse() {\n    return false\n  }\n\n  /** Detect free variable `exports`. */\n  var freeExports$2 = typeof exports == 'object' && exports && !exports.nodeType && exports\n\n  /** Detect free variable `module`. */\n  var freeModule$2 = freeExports$2 && typeof module == 'object' && module && !module.nodeType && module\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports$2 = freeModule$2 && freeModule$2.exports === freeExports$2\n\n  /** Built-in value references. */\n  var Buffer$1 = moduleExports$2 ? root$1.Buffer : undefined\n\n  /* Built-in method references for those with the same name as other `lodash` methods. */\n  var nativeIsBuffer = Buffer$1 ? Buffer$1.isBuffer : undefined\n\n  /**\n   * Checks if `value` is a buffer.\n   *\n   * @static\n   * @memberOf _\n   * @since 4.3.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n   * @example\n   *\n   * _.isBuffer(new Buffer(2));\n   * // => true\n   *\n   * _.isBuffer(new Uint8Array(2));\n   * // => false\n   */\n  var isBuffer = nativeIsBuffer || stubFalse\n\n  const isBuffer$1 = isBuffer\n\n  /** `Object#toString` result references. */\n  var argsTag$2 = '[object Arguments]',\n    arrayTag$2 = '[object Array]',\n    boolTag$3 = '[object Boolean]',\n    dateTag$3 = '[object Date]',\n    errorTag$2 = '[object Error]',\n    funcTag$1 = '[object Function]',\n    mapTag$6 = '[object Map]',\n    numberTag$3 = '[object Number]',\n    objectTag$3 = '[object Object]',\n    regexpTag$4 = '[object RegExp]',\n    setTag$6 = '[object Set]',\n    stringTag$4 = '[object String]',\n    weakMapTag$2 = '[object WeakMap]'\n\n  var arrayBufferTag$3 = '[object ArrayBuffer]',\n    dataViewTag$4 = '[object DataView]',\n    float32Tag$2 = '[object Float32Array]',\n    float64Tag$2 = '[object Float64Array]',\n    int8Tag$2 = '[object Int8Array]',\n    int16Tag$2 = '[object Int16Array]',\n    int32Tag$2 = '[object Int32Array]',\n    uint8Tag$2 = '[object Uint8Array]',\n    uint8ClampedTag$2 = '[object Uint8ClampedArray]',\n    uint16Tag$2 = '[object Uint16Array]',\n    uint32Tag$2 = '[object Uint32Array]'\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {}\n  typedArrayTags[float32Tag$2] = typedArrayTags[float64Tag$2] = typedArrayTags[int8Tag$2] = typedArrayTags[\n    int16Tag$2\n  ] = typedArrayTags[int32Tag$2] = typedArrayTags[uint8Tag$2] = typedArrayTags[uint8ClampedTag$2] = typedArrayTags[\n    uint16Tag$2\n  ] = typedArrayTags[uint32Tag$2] = true\n  typedArrayTags[argsTag$2] = typedArrayTags[arrayTag$2] = typedArrayTags[arrayBufferTag$3] = typedArrayTags[\n    boolTag$3\n  ] = typedArrayTags[dataViewTag$4] = typedArrayTags[dateTag$3] = typedArrayTags[errorTag$2] = typedArrayTags[\n    funcTag$1\n  ] = typedArrayTags[mapTag$6] = typedArrayTags[numberTag$3] = typedArrayTags[objectTag$3] = typedArrayTags[\n    regexpTag$4\n  ] = typedArrayTags[setTag$6] = typedArrayTags[stringTag$4] = typedArrayTags[weakMapTag$2] = false\n\n  /**\n   * The base implementation of `_.isTypedArray` without Node.js optimizations.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n   */\n  function baseIsTypedArray(value) {\n    return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)]\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function (value) {\n      return func(value)\n    }\n  }\n\n  /** Detect free variable `exports`. */\n  var freeExports$1 = typeof exports == 'object' && exports && !exports.nodeType && exports\n\n  /** Detect free variable `module`. */\n  var freeModule$1 = freeExports$1 && typeof module == 'object' && module && !module.nodeType && module\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports$1 = freeModule$1 && freeModule$1.exports === freeExports$1\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports$1 && freeGlobal$1.process\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function () {\n    try {\n      // Use `util.types` for Node.js 10+.\n      var types = freeModule$1 && freeModule$1.require && freeModule$1.require('util').types\n\n      if (types) {\n        return types\n      }\n\n      // Legacy `process.binding('util')` for Node.js < 10.\n      return freeProcess && freeProcess.binding && freeProcess.binding('util')\n    } catch (e) {}\n  })()\n\n  const nodeUtil$1 = nodeUtil\n\n  /* Node.js helper references. */\n  var nodeIsTypedArray = nodeUtil$1 && nodeUtil$1.isTypedArray\n\n  /**\n   * Checks if `value` is classified as a typed array.\n   *\n   * @static\n   * @memberOf _\n   * @since 3.0.0\n   * @category Lang\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n   * @example\n   *\n   * _.isTypedArray(new Uint8Array);\n   * // => true\n   *\n   * _.isTypedArray([]);\n   * // => false\n   */\n  var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray\n\n  const isTypedArray$1 = isTypedArray\n\n  /** Used for built-in method references. */\n  var objectProto$d = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$c = objectProto$d.hasOwnProperty\n\n  /**\n   * Creates an array of the enumerable property names of the array-like `value`.\n   *\n   * @private\n   * @param {*} value The value to query.\n   * @param {boolean} inherited Specify returning inherited property names.\n   * @returns {Array} Returns the array of property names.\n   */\n  function arrayLikeKeys(value, inherited) {\n    var isArr = isArray$1(value),\n      isArg = !isArr && isArguments$1(value),\n      isBuff = !isArr && !isArg && isBuffer$1(value),\n      isType = !isArr && !isArg && !isBuff && isTypedArray$1(value),\n      skipIndexes = isArr || isArg || isBuff || isType,\n      result = skipIndexes ? baseTimes(value.length, String) : [],\n      length = result.length\n\n    for (var key in value) {\n      if (\n        (inherited || hasOwnProperty$c.call(value, key)) &&\n        !(\n          skipIndexes &&\n          // Safari 9 has enumerable `arguments.length` in strict mode.\n          (key == 'length' ||\n            // Node.js 0.10 has enumerable non-index properties on buffers.\n            (isBuff && (key == 'offset' || key == 'parent')) ||\n            // PhantomJS 2 has enumerable non-index properties on typed arrays.\n            (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n            // Skip index properties.\n            isIndex(key, length))\n        )\n      ) {\n        result.push(key)\n      }\n    }\n    return result\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function (arg) {\n      return func(transform(arg))\n    }\n  }\n\n  /* Built-in method references for those with the same name as other `lodash` methods. */\n  var nativeKeys = overArg(Object.keys, Object)\n\n  const nativeKeys$1 = nativeKeys\n\n  /** Used for built-in method references. */\n  var objectProto$c = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$b = objectProto$c.hasOwnProperty\n\n  /**\n   * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Array} Returns the array of property names.\n   */\n  function baseKeys(object) {\n    if (!isPrototype(object)) {\n      return nativeKeys$1(object)\n    }\n    var result = []\n    for (var key in Object(object)) {\n      if (hasOwnProperty$b.call(object, key) && key != 'constructor') {\n        result.push(key)\n      }\n    }\n    return result\n  }\n\n  /**\n   * Creates an array of the own enumerable property names of `object`.\n   *\n   * **Note:** Non-object values are coerced to objects. See the\n   * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n   * for more details.\n   *\n   * @static\n   * @since 0.1.0\n   * @memberOf _\n   * @category Object\n   * @param {Object} object The object to query.\n   * @returns {Array} Returns the array of property names.\n   * @example\n   *\n   * function Foo() {\n   *   this.a = 1;\n   *   this.b = 2;\n   * }\n   *\n   * Foo.prototype.c = 3;\n   *\n   * _.keys(new Foo);\n   * // => ['a', 'b'] (iteration order is not guaranteed)\n   *\n   * _.keys('hi');\n   * // => ['0', '1']\n   */\n  function keys(object) {\n    return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object)\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$b = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$a = objectProto$b.hasOwnProperty\n\n  /**\n   * Assigns own enumerable string keyed properties of source objects to the\n   * destination object. Source objects are applied from left to right.\n   * Subsequent sources overwrite property assignments of previous sources.\n   *\n   * **Note:** This method mutates `object` and is loosely based on\n   * [`Object.assign`](https://mdn.io/Object/assign).\n   *\n   * @static\n   * @memberOf _\n   * @since 0.10.0\n   * @category Object\n   * @param {Object} object The destination object.\n   * @param {...Object} [sources] The source objects.\n   * @returns {Object} Returns `object`.\n   * @see _.assignIn\n   * @example\n   *\n   * function Foo() {\n   *   this.a = 1;\n   * }\n   *\n   * function Bar() {\n   *   this.c = 3;\n   * }\n   *\n   * Foo.prototype.b = 2;\n   * Bar.prototype.d = 4;\n   *\n   * _.assign({ 'a': 0 }, new Foo, new Bar);\n   * // => { 'a': 1, 'c': 3 }\n   */\n  var assign = createAssigner(function (object, source) {\n    if (isPrototype(source) || isArrayLike(source)) {\n      copyObject(source, keys(source), object)\n      return\n    }\n    for (var key in source) {\n      if (hasOwnProperty$a.call(source, key)) {\n        assignValue(object, key, source[key])\n      }\n    }\n  })\n\n  const assign$1 = assign\n\n  /**\n   * This function is like\n   * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n   * except that it includes inherited enumerable properties.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Array} Returns the array of property names.\n   */\n  function nativeKeysIn(object) {\n    var result = []\n    if (object != null) {\n      for (var key in Object(object)) {\n        result.push(key)\n      }\n    }\n    return result\n  }\n\n  /** Used for built-in method references. */\n  var objectProto$a = Object.prototype\n\n  /** Used to check objects for own properties. */\n  var hasOwnProperty$9 = objectProto$a.hasOwnProperty\n\n  /**\n   * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Array} Returns the array of property names.\n   */\n  function baseKeysIn(object) {\n    if (!isObject(object)) {\n      return nativeKeysIn(object)\n    }\n    var isProto = isPrototype(object),\n      result = []\n\n    for (var key in object) {\n      if (!(key == 'constructor' && (isProto || !hasOwnProperty$9.call(object, key)))) {\n        result.push(key)\n      }\n    }\n    return result\n  }\n\n  /**\n   * Creates an array of the own and inherited enumerable property names of `object`.\n   *\n   * **Note:** Non-object values are coerced to objects.\n   *\n   * @static\n   * @memberOf _\n   * @since 3.0.0\n   * @category Object\n   * @param {Object} object The object to query.\n   * @returns {Array} Returns the array of property names.\n   * @example\n   *\n   * function Foo() {\n   *   this.a = 1;\n   *   this.b = 2;\n   * }\n   *\n   * Foo.prototype.c = 3;\n   *\n   * _.keysIn(new Foo);\n   * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n   */\n  function keysIn(object) {\n    return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object)\n  }\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n    reIsPlainProp = /^\\w*$/\n\n  /**\n   * Checks if `value` is a property name and not a property path.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @param {Object} [object] The object to query keys on.\n   * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n   */\n  function isKey(value, object) {\n    if (isArray$1(value)) {\n      return false\n    }\n    var type = typeof value\n    if (type == 'number' || type == 's