From 5b63720cc9bfb9813dd7b4d8aafaeb8d9adc9e77 Mon Sep 17 00:00:00 2001 From: Icebob Date: Sat, 14 May 2016 22:19:46 +0200 Subject: [PATCH] Create fake functions --- demo/fakerator.js | 22793 +++++------------ demo/index.js | 97 +- lib/index.js | 155 +- lib/locales/default/address/country.js | 246 + lib/locales/default/address/countryCode.js | 252 + lib/locales/default/address/index.js | 82 +- lib/locales/default/address/state.js | 52 + lib/locales/default/address/stateAbbr.js | 52 + lib/locales/default/address/streetSuffix.js | 227 + lib/locales/default/date/index.js | 49 +- lib/locales/default/date/timezone.js | 145 + lib/locales/default/index.js | 1 + lib/locales/default/internet/avatar.js | 1268 + lib/locales/default/internet/domainSuffix.js | 8 + lib/locales/default/internet/index.js | 22 +- lib/locales/default/lorem/index.js | 23 +- lib/locales/default/lorem/supplemental.js | 842 + lib/locales/default/lorem/word.js | 251 + 18 files changed, 9961 insertions(+), 16604 deletions(-) create mode 100644 lib/locales/default/address/country.js create mode 100644 lib/locales/default/address/countryCode.js create mode 100644 lib/locales/default/address/state.js create mode 100644 lib/locales/default/address/stateAbbr.js create mode 100644 lib/locales/default/address/streetSuffix.js create mode 100644 lib/locales/default/date/timezone.js create mode 100644 lib/locales/default/internet/avatar.js create mode 100644 lib/locales/default/internet/domainSuffix.js create mode 100644 lib/locales/default/lorem/supplemental.js create mode 100644 lib/locales/default/lorem/word.js diff --git a/demo/fakerator.js b/demo/fakerator.js index 3907f461..5c24979d 100644 --- a/demo/fakerator.js +++ b/demo/fakerator.js @@ -56,16654 +56,524 @@ return /******/ (function(modules) { // webpackBootstrap "use strict"; - var _ = __webpack_require__(1); + var _get = __webpack_require__(17); + + var _get2 = _interopRequireDefault(_get); + + var _each = __webpack_require__(62); + + var _each2 = _interopRequireDefault(_each); + + var _defaultsDeep = __webpack_require__(127); + + var _defaultsDeep2 = _interopRequireDefault(_defaultsDeep); + + var _capitalize = __webpack_require__(183); + + var _capitalize2 = _interopRequireDefault(_capitalize); + + var _isArray = __webpack_require__(20); + + var _isArray2 = _interopRequireDefault(_isArray); + + var _isString = __webpack_require__(81); + + var _isString2 = _interopRequireDefault(_isString); + + var _isFunction = __webpack_require__(30); + + var _isFunction2 = _interopRequireDefault(_isFunction); + + var _isNumber = __webpack_require__(190); + + var _isNumber2 = _interopRequireDefault(_isNumber); + + var _isObject = __webpack_require__(31); + + var _isObject2 = _interopRequireDefault(_isObject); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + + function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } + var mersenne = __webpack_require__(3); var letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']; - module.exports = function (localeID, seed) { - var self = this; - localeID = localeID || "default"; - - console.log("Load " + localeID + " locale"); + module.exports = function () { + var localeID = arguments.length <= 0 || arguments[0] === undefined ? "default" : arguments[0]; - var locale = __webpack_require__(4)("./" + localeID); + var self = this; + var locale = __webpack_require__(16)("./" + localeID + "/index"); if (locale) { - if (locale._meta.id != "default") { + if (localeID != "default") { var fallbackID = locale._meta.fallback || "default"; - var fbLocale = __webpack_require__(4)("./" + fallbackID); + var fbLocale = __webpack_require__(16)("./" + fallbackID + "/index"); if (fbLocale) { - console.log("Fallback " + fallbackID + " loaded."); - - locale = _.defaultsDeep(locale, fbLocale); + locale = (0, _defaultsDeep2.default)(locale, fbLocale); } } } else { locale = __webpack_require__(8); } - self.locale = locale; - if (seed) { - if (_.isArray(seed) && seed.length > 0) mersenne.seed_array(seed);else mersenne.seed(seed); - } + self.seed = function (seed) { + if ((0, _isArray2.default)(seed) && seed.length > 0) mersenne.seed_array(seed);else mersenne.seed(seed); + }; self.random = { - number: function number(min, max, precision) { - min = min || 0; - max = max || 99999; - precision = precision || 1; - - return precision * Math.floor(mersenne.rand(max / precision, min / precision)); + number: function number() { + var max = arguments.length <= 0 || arguments[0] === undefined ? 99999 : arguments[0]; + var min = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1]; + var precision = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2]; + + max /= precision; + min /= precision; + return precision * Math.floor(mersenne.rand(max + 1, min)); }, - digit: function digit() { - return self.random.number(0, 9); + return self.random.number(9); }, - letter: function letter() { return self.random.arrayElement(letters); }, - arrayElement: function arrayElement(array) { - return array[self.random.number(0, array.length - 1)]; + return array[self.random.number(array.length - 1)]; }, - objectElement: function objectElement(obj) { - var array = Object.keys(obj); - var key = self.random.arrayElement(array); + var key = self.random.arrayElement(Object.keys(obj)); + return _defineProperty({}, key, obj[key]); } - }; - self.slugify = function (str) { - if (str) return str.replace(/ /g, '-').replace(/[^\w\.\-]+/g, ''); + self.capitalize = _capitalize2.default; + + self.slugify = function () { + var str = arguments.length <= 0 || arguments[0] === undefined ? "" : arguments[0]; + + return str.replace(/ /g, '-').replace(/[^\w\.\-]+/g, ''); }; - self.replaceSymbols = function (format, numberSymbol, alphaSymbol) { - if (format) return format.replace(new RegExp(numberSymbol || "#", "g"), self.random.digit).replace(new RegExp(alphaSymbol || "\\?", "g"), self.random.letter); + self.replaceSymbols = function (format) { + var numberSymbol = arguments.length <= 1 || arguments[1] === undefined ? "#" : arguments[1]; + var alphaSymbol = arguments.length <= 2 || arguments[2] === undefined ? "\\?" : arguments[2]; + + if (format) return format.replace(new RegExp(numberSymbol, "g"), self.random.digit).replace(new RegExp(alphaSymbol, "g"), self.random.letter); }; self.shuffle = function (o) { - for (var j, x, i = o.length - 1; i; j = self.random.number(0, i), x = o[--i], o[i] = o[j], o[j] = x) {} + for (var j, x, i = o.length - 1; i; j = self.random.number(i), x = o[--i], o[i] = o[j], o[j] = x) {} return o; }; - self.get = function (format) { + var maskRE = new RegExp(locale._meta.mask || "\#\{([A-Za-z_\.]+)\}", "g"); + + self.populate = function (format) { + for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } + var res = format; if (format.indexOf("#{") != -1) { - res = format.replace(/\#\{([A-Za-z_\.]+)\}/g, function (match, cap) { - var part = _.get(self.locale, cap); + res = format.replace(maskRE, function (match, cap) { + var part = (0, _get2.default)(self.locale, cap); if (part) { - if (_.isArray(part)) return self.get(self.random.arrayElement(part));else _.isString(part); + if ((0, _isFunction2.default)(part)) { + var _part; + + part = (_part = part).call.apply(_part, [self].concat(args)); + } - return self.get(part); - } else return match; + if ((0, _isArray2.default)(part)) return self.populate.apply(self, [self.random.arrayElement(part)].concat(args));else if ((0, _isString2.default)(part)) return self.populate.apply(self, [part].concat(args));else if ((0, _isNumber2.default)(part) || (0, _isObject2.default)(part)) return part; + } + + return match; }); } - return self.replaceSymbols(res); + if ((0, _isString2.default)(res)) res = self.replaceSymbols(res); + + return res; }; - return self; - }; + (0, _each2.default)(Object.keys(self.locale), function (category) { + if (category === "_meta") return; + (0, _each2.default)(Object.keys(self.locale[category]), function (item) { + self[category] = self[category] || {}; -/***/ }, -/* 1 */ -/***/ function(module, exports, __webpack_require__) { + if ((0, _isFunction2.default)(self.locale[category][item])) { + self[category][item] = function () { + var _self$locale$category; - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/** - * @license - * lodash - * Copyright jQuery Foundation and other contributors - * Released under MIT license - * Based on Underscore.js 1.8.3 - * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors - */ - ;(function() { - - /** Used as a safe reference for `undefined` in pre-ES5 environments. */ - var undefined; - - /** Used as the semantic version number. */ - var VERSION = '4.12.0'; - - /** Used as the size to enable large array optimizations. */ - var LARGE_ARRAY_SIZE = 200; - - /** Used as the `TypeError` message for "Functions" methods. */ - var FUNC_ERROR_TEXT = 'Expected a function'; - - /** Used to stand-in for `undefined` hash values. */ - var HASH_UNDEFINED = '__lodash_hash_undefined__'; - - /** Used as the internal argument placeholder. */ - var PLACEHOLDER = '__lodash_placeholder__'; - - /** Used to compose bitmasks for wrapper metadata. */ - var BIND_FLAG = 1, - BIND_KEY_FLAG = 2, - CURRY_BOUND_FLAG = 4, - CURRY_FLAG = 8, - CURRY_RIGHT_FLAG = 16, - PARTIAL_FLAG = 32, - PARTIAL_RIGHT_FLAG = 64, - ARY_FLAG = 128, - REARG_FLAG = 256, - FLIP_FLAG = 512; - - /** Used to compose bitmasks for comparison styles. */ - var UNORDERED_COMPARE_FLAG = 1, - PARTIAL_COMPARE_FLAG = 2; - - /** Used as default options for `_.truncate`. */ - var DEFAULT_TRUNC_LENGTH = 30, - DEFAULT_TRUNC_OMISSION = '...'; - - /** Used to detect hot functions by number of calls within a span of milliseconds. */ - var HOT_COUNT = 150, - HOT_SPAN = 16; - - /** Used to indicate the type of lazy iteratees. */ - var LAZY_FILTER_FLAG = 1, - LAZY_MAP_FLAG = 2, - LAZY_WHILE_FLAG = 3; - - /** Used as references for various `Number` constants. */ - var INFINITY = 1 / 0, - MAX_SAFE_INTEGER = 9007199254740991, - MAX_INTEGER = 1.7976931348623157e+308, - NAN = 0 / 0; - - /** Used as references for the maximum length and index of an array. */ - var MAX_ARRAY_LENGTH = 4294967295, - MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1, - HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1; - - /** `Object#toString` result references. */ - var argsTag = '[object Arguments]', - arrayTag = '[object Array]', - boolTag = '[object Boolean]', - dateTag = '[object Date]', - errorTag = '[object Error]', - funcTag = '[object Function]', - genTag = '[object GeneratorFunction]', - mapTag = '[object Map]', - numberTag = '[object Number]', - objectTag = '[object Object]', - promiseTag = '[object Promise]', - regexpTag = '[object RegExp]', - setTag = '[object Set]', - stringTag = '[object String]', - symbolTag = '[object Symbol]', - weakMapTag = '[object WeakMap]', - weakSetTag = '[object WeakSet]'; - - var arrayBufferTag = '[object ArrayBuffer]', - dataViewTag = '[object DataView]', - float32Tag = '[object Float32Array]', - float64Tag = '[object Float64Array]', - int8Tag = '[object Int8Array]', - int16Tag = '[object Int16Array]', - int32Tag = '[object Int32Array]', - uint8Tag = '[object Uint8Array]', - uint8ClampedTag = '[object Uint8ClampedArray]', - uint16Tag = '[object Uint16Array]', - uint32Tag = '[object Uint32Array]'; - - /** Used to match empty string literals in compiled template source. */ - var reEmptyStringLeading = /\b__p \+= '';/g, - reEmptyStringMiddle = /\b(__p \+=) '' \+/g, - reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; - - /** Used to match HTML entities and HTML characters. */ - var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g, - reUnescapedHtml = /[&<>"'`]/g, - reHasEscapedHtml = RegExp(reEscapedHtml.source), - reHasUnescapedHtml = RegExp(reUnescapedHtml.source); - - /** Used to match template delimiters. */ - var reEscape = /<%-([\s\S]+?)%>/g, - reEvaluate = /<%([\s\S]+?)%>/g, - reInterpolate = /<%=([\s\S]+?)%>/g; - - /** Used to match property names within property paths. */ - var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, - reIsPlainProp = /^\w*$/, - rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g; - - /** - * Used to match `RegExp` - * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). - */ - var reRegExpChar = /[\\^$.*+?()[\]{}|]/g, - reHasRegExpChar = RegExp(reRegExpChar.source); - - /** Used to match leading and trailing whitespace. */ - var reTrim = /^\s+|\s+$/g, - reTrimStart = /^\s+/, - reTrimEnd = /\s+$/; - - /** Used to match non-compound words composed of alphanumeric characters. */ - var reBasicWord = /[a-zA-Z0-9]+/g; - - /** Used to match backslashes in property paths. */ - var reEscapeChar = /\\(\\)?/g; - - /** - * Used to match - * [ES template delimiters](http://ecma-international.org/ecma-262/6.0/#sec-template-literal-lexical-components). - */ - var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; - - /** Used to match `RegExp` flags from their coerced string values. */ - var reFlags = /\w*$/; - - /** Used to detect hexadecimal string values. */ - var reHasHexPrefix = /^0x/i; - - /** Used to detect bad signed hexadecimal string values. */ - var reIsBadHex = /^[-+]0x[0-9a-f]+$/i; - - /** Used to detect binary string values. */ - var reIsBinary = /^0b[01]+$/i; - - /** Used to detect host constructors (Safari). */ - var reIsHostCtor = /^\[object .+?Constructor\]$/; - - /** Used to detect octal string values. */ - var reIsOctal = /^0o[0-7]+$/i; - - /** Used to detect unsigned integer values. */ - var reIsUint = /^(?:0|[1-9]\d*)$/; - - /** Used to match latin-1 supplementary letters (excluding mathematical operators). */ - var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g; - - /** Used to ensure capturing order of template delimiters. */ - var reNoMatch = /($^)/; - - /** Used to match unescaped characters in compiled string literals. */ - var reUnescapedString = /['\n\r\u2028\u2029\\]/g; - - /** Used to compose unicode character classes. */ - var rsAstralRange = '\\ud800-\\udfff', - rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23', - rsComboSymbolsRange = '\\u20d0-\\u20f0', - rsDingbatRange = '\\u2700-\\u27bf', - rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff', - rsMathOpRange = '\\xac\\xb1\\xd7\\xf7', - rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf', - rsPunctuationRange = '\\u2000-\\u206f', - rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000', - rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde', - rsVarRange = '\\ufe0e\\ufe0f', - rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange; - - /** Used to compose unicode capture groups. */ - var rsApos = "['\u2019]", - rsAstral = '[' + rsAstralRange + ']', - rsBreak = '[' + rsBreakRange + ']', - rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']', - rsDigits = '\\d+', - rsDingbat = '[' + rsDingbatRange + ']', - rsLower = '[' + rsLowerRange + ']', - rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']', - rsFitz = '\\ud83c[\\udffb-\\udfff]', - rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')', - rsNonAstral = '[^' + rsAstralRange + ']', - rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}', - rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]', - rsUpper = '[' + rsUpperRange + ']', - rsZWJ = '\\u200d'; - - /** Used to compose unicode regexes. */ - var rsLowerMisc = '(?:' + rsLower + '|' + rsMisc + ')', - rsUpperMisc = '(?:' + rsUpper + '|' + rsMisc + ')', - rsOptLowerContr = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?', - rsOptUpperContr = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?', - reOptMod = rsModifier + '?', - rsOptVar = '[' + rsVarRange + ']?', - rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*', - rsSeq = rsOptVar + reOptMod + rsOptJoin, - rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq, - rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')'; - - /** Used to match apostrophes. */ - var reApos = RegExp(rsApos, 'g'); - - /** - * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and - * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). - */ - var reComboMark = RegExp(rsCombo, 'g'); - - /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */ - var reComplexSymbol = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g'); - - /** Used to match complex or compound words. */ - var reComplexWord = RegExp([ - rsUpper + '?' + rsLower + '+' + rsOptLowerContr + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')', - rsUpperMisc + '+' + rsOptUpperContr + '(?=' + [rsBreak, rsUpper + rsLowerMisc, '$'].join('|') + ')', - rsUpper + '?' + rsLowerMisc + '+' + rsOptLowerContr, - rsUpper + '+' + rsOptUpperContr, - rsDigits, - rsEmoji - ].join('|'), 'g'); - - /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */ - var reHasComplexSymbol = RegExp('[' + rsZWJ + rsAstralRange + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']'); - - /** Used to detect strings that need a more robust regexp to match words. */ - var reHasComplexWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/; - - /** Used to assign default `context` object properties. */ - var contextProps = [ - 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array', - 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object', - 'Promise', 'Reflect', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', - 'Uint8Array', 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', - '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout' - ]; - - /** Used to make template sourceURLs easier to identify. */ - var templateCounter = -1; - - /** Used to identify `toStringTag` values of typed arrays. */ - var typedArrayTags = {}; - typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = - typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = - typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = - typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = - typedArrayTags[uint32Tag] = true; - typedArrayTags[argsTag] = typedArrayTags[arrayTag] = - typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = - typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = - typedArrayTags[errorTag] = typedArrayTags[funcTag] = - typedArrayTags[mapTag] = typedArrayTags[numberTag] = - typedArrayTags[objectTag] = typedArrayTags[regexpTag] = - typedArrayTags[setTag] = typedArrayTags[stringTag] = - typedArrayTags[weakMapTag] = false; - - /** Used to identify `toStringTag` values supported by `_.clone`. */ - var cloneableTags = {}; - cloneableTags[argsTag] = cloneableTags[arrayTag] = - cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] = - cloneableTags[boolTag] = cloneableTags[dateTag] = - cloneableTags[float32Tag] = cloneableTags[float64Tag] = - cloneableTags[int8Tag] = cloneableTags[int16Tag] = - cloneableTags[int32Tag] = cloneableTags[mapTag] = - cloneableTags[numberTag] = cloneableTags[objectTag] = - cloneableTags[regexpTag] = cloneableTags[setTag] = - cloneableTags[stringTag] = cloneableTags[symbolTag] = - cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = - cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true; - cloneableTags[errorTag] = cloneableTags[funcTag] = - cloneableTags[weakMapTag] = false; - - /** Used to map latin-1 supplementary letters to basic latin letters. */ - var deburredLetters = { - '\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A', - '\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a', - '\xc7': 'C', '\xe7': 'c', - '\xd0': 'D', '\xf0': 'd', - '\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E', - '\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e', - '\xcC': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I', - '\xeC': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i', - '\xd1': 'N', '\xf1': 'n', - '\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O', - '\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o', - '\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U', - '\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u', - '\xdd': 'Y', '\xfd': 'y', '\xff': 'y', - '\xc6': 'Ae', '\xe6': 'ae', - '\xde': 'Th', '\xfe': 'th', - '\xdf': 'ss' - }; + for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } - /** Used to map characters to HTML entities. */ - var htmlEscapes = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''', - '`': '`' - }; + var res = (_self$locale$category = self.locale[category][item]).call.apply(_self$locale$category, [self].concat(args)); - /** Used to map HTML entities to characters. */ - var htmlUnescapes = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - ''': "'", - '`': '`' - }; + if ((0, _isArray2.default)(res)) res = self.random.arrayElement(res); - /** Used to determine if values are of the language type `Object`. */ - var objectTypes = { - 'function': true, - 'object': true - }; + if ((0, _isString2.default)(res)) res = self.populate.apply(self, [res].concat(args)); - /** Used to escape characters for inclusion in compiled string literals. */ - var stringEscapes = { - '\\': '\\', - "'": "'", - '\n': 'n', - '\r': 'r', - '\u2028': 'u2028', - '\u2029': 'u2029' - }; + return res; + }; + } else { + self[category][item] = function () { + for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { + args[_key3] = arguments[_key3]; + } - /** Built-in method references without a dependency on `root`. */ - var freeParseFloat = parseFloat, - freeParseInt = parseInt; + return self.populate.apply(self, ["#{" + category + "." + item + "}"].concat(args)); + }; + } + console.log("Set " + category + "." + item); + }); + }); - /** Detect free variable `exports`. */ - var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) - ? exports - : undefined; + return self; + }; - /** Detect free variable `module`. */ - var freeModule = (objectTypes[typeof module] && module && !module.nodeType) - ? module - : undefined; +/***/ }, +/* 1 */, +/* 2 */ +/***/ function(module, exports) { - /** Detect the popular CommonJS extension `module.exports`. */ - var moduleExports = (freeModule && freeModule.exports === freeExports) - ? freeExports - : undefined; + module.exports = function(module) { + if(!module.webpackPolyfill) { + module.deprecate = function() {}; + module.paths = []; + // module.parent = undefined by default + module.children = []; + module.webpackPolyfill = 1; + } + return module; + } - /** Detect free variable `global` from Node.js. */ - var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global); - - /** Detect free variable `self`. */ - var freeSelf = checkGlobal(objectTypes[typeof self] && self); - - /** Detect free variable `window`. */ - var freeWindow = checkGlobal(objectTypes[typeof window] && window); - - /** Detect `this` as the global object. */ - var thisGlobal = checkGlobal(objectTypes[typeof this] && this); - - /** - * Used as a reference to the global object. - * - * The `this` value is used if it's the global object to avoid Greasemonkey's - * restricted `window` object, otherwise the `window` object is used. - */ - var root = freeGlobal || - ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || - freeSelf || thisGlobal || Function('return this')(); - - /*--------------------------------------------------------------------------*/ - - /** - * Adds the key-value `pair` to `map`. - * - * @private - * @param {Object} map The map to modify. - * @param {Array} pair The key-value pair to add. - * @returns {Object} Returns `map`. - */ - function addMapEntry(map, pair) { - // Don't return `Map#set` because it doesn't return the map instance in IE 11. - map.set(pair[0], pair[1]); - return map; - } - /** - * Adds `value` to `set`. - * - * @private - * @param {Object} set The set to modify. - * @param {*} value The value to add. - * @returns {Object} Returns `set`. - */ - function addSetEntry(set, value) { - set.add(value); - return set; - } +/***/ }, +/* 3 */ +/***/ function(module, exports) { - /** - * A faster alternative to `Function#apply`, this function invokes `func` - * with the `this` binding of `thisArg` and the arguments of `args`. - * - * @private - * @param {Function} func The function to invoke. - * @param {*} thisArg The `this` binding of `func`. - * @param {Array} args The arguments to invoke `func` with. - * @returns {*} Returns the result of `func`. - */ - function apply(func, thisArg, args) { - var length = args.length; - switch (length) { - case 0: return func.call(thisArg); - case 1: return func.call(thisArg, args[0]); - case 2: return func.call(thisArg, args[0], args[1]); - case 3: return func.call(thisArg, args[0], args[1], args[2]); - } - return func.apply(thisArg, args); - } + 'use strict'; - /** - * A specialized version of `baseAggregator` for arrays. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} setter The function to set `accumulator` values. - * @param {Function} iteratee The iteratee to transform keys. - * @param {Object} accumulator The initial aggregated object. - * @returns {Function} Returns `accumulator`. - */ - function arrayAggregator(array, setter, iteratee, accumulator) { - var index = -1, - length = array.length; + var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; }; - while (++index < length) { - var value = array[index]; - setter(accumulator, value, iteratee(value), array); - } - return accumulator; - } + function MersenneTwister19937() { + var N, M, MATRIX_A, UPPER_MASK, LOWER_MASK; - /** - * 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.length; + N = 624; + M = 397; + MATRIX_A = 0x9908b0df; + UPPER_MASK = 0x80000000; + LOWER_MASK = 0x7fffffff; + var mt = new Array(N); + var mti = N + 1; - while (++index < length) { - if (iteratee(array[index], index, array) === false) { - break; - } - } - return array; - } + function unsigned32(n1) { + return n1 < 0 ? (n1 ^ UPPER_MASK) + UPPER_MASK : n1; + } - /** - * A specialized version of `_.forEachRight` 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 arrayEachRight(array, iteratee) { - var length = array.length; + function subtraction32(n1, n2) { + return n1 < n2 ? unsigned32(0x100000000 - (n2 - n1) & 0xffffffff) : n1 - n2; + } - while (length--) { - if (iteratee(array[length], length, array) === false) { - break; - } - } - return array; - } + function addition32(n1, n2) { + return unsigned32(n1 + n2 & 0xffffffff); + } - /** - * A specialized version of `_.every` 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 {boolean} Returns `true` if all elements pass the predicate check, - * else `false`. - */ - function arrayEvery(array, predicate) { - var index = -1, - length = array.length; + function multiplication32(n1, n2) { + var sum = 0; + for (var i = 0; i < 32; ++i) { + if (n1 >>> i & 0x1) { + sum = addition32(sum, unsigned32(n2 << i)); + } + } + return sum; + } - while (++index < length) { - if (!predicate(array[index], index, array)) { - return false; - } - } - return true; - } + this.init_genrand = function (s) { + mt[0] = unsigned32(s & 0xffffffff); + for (mti = 1; mti < N; mti++) { + mt[mti] = addition32(multiplication32(1812433253, unsigned32(mt[mti - 1] ^ mt[mti - 1] >>> 30)), mti); - /** - * 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.length, - resIndex = 0, - result = []; + mt[mti] = unsigned32(mt[mti] & 0xffffffff); + } + }; - while (++index < length) { - var value = array[index]; - if (predicate(value, index, array)) { - result[resIndex++] = value; - } - } - return result; - } + this.init_by_array = function (init_key, key_length) { + var i, j, k; - /** - * A specialized version of `_.includes` for arrays without support for - * specifying an index to search from. - * - * @private - * @param {Array} array The array to search. - * @param {*} target The value to search for. - * @returns {boolean} Returns `true` if `target` is found, else `false`. - */ - function arrayIncludes(array, value) { - return !!array.length && baseIndexOf(array, value, 0) > -1; - } + this.init_genrand(19650218); + i = 1;j = 0; + k = N > key_length ? N : key_length; + for (; k; k--) { + mt[i] = addition32(addition32(unsigned32(mt[i] ^ multiplication32(unsigned32(mt[i - 1] ^ mt[i - 1] >>> 30), 1664525)), init_key[j]), j); + mt[i] = unsigned32(mt[i] & 0xffffffff); + i++;j++; + if (i >= N) { + mt[0] = mt[N - 1];i = 1; + } + if (j >= key_length) j = 0; + } + for (k = N - 1; k; k--) { + mt[i] = subtraction32(unsigned32((dbg = mt[i]) ^ multiplication32(unsigned32(mt[i - 1] ^ mt[i - 1] >>> 30), 1566083941)), i); - /** - * This function is like `arrayIncludes` except that it accepts a comparator. - * - * @private - * @param {Array} array The array to search. - * @param {*} target The value to search for. - * @param {Function} comparator The comparator invoked per element. - * @returns {boolean} Returns `true` if `target` is found, else `false`. - */ - function arrayIncludesWith(array, value, comparator) { - var index = -1, - length = array.length; + mt[i] = unsigned32(mt[i] & 0xffffffff); + i++; + if (i >= N) { + mt[0] = mt[N - 1];i = 1; + } + } + mt[0] = 0x80000000; + }; - while (++index < length) { - if (comparator(value, array[index])) { - return true; - } - } - return false; - } + var mag01 = [0x0, MATRIX_A]; - /** - * A specialized version of `_.map` for arrays without support for iteratee - * shorthands. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Array} Returns the new mapped array. - */ - function arrayMap(array, iteratee) { - var index = -1, - length = array.length, - result = Array(length); + this.genrand_int32 = function () { + var y; - while (++index < length) { - result[index] = iteratee(array[index], index, array); - } - return result; - } - /** - * 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; + if (mti >= N) { + var kk; - while (++index < length) { - array[offset + index] = values[index]; - } - return array; - } + if (mti == N + 1) this.init_genrand(5489); - /** - * A specialized version of `_.reduce` for arrays without support for - * iteratee shorthands. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @param {*} [accumulator] The initial value. - * @param {boolean} [initAccum] Specify using the first element of `array` as - * the initial value. - * @returns {*} Returns the accumulated value. - */ - function arrayReduce(array, iteratee, accumulator, initAccum) { - var index = -1, - length = array.length; + for (kk = 0; kk < N - M; kk++) { + y = unsigned32(mt[kk] & UPPER_MASK | mt[kk + 1] & LOWER_MASK); + mt[kk] = unsigned32(mt[kk + M] ^ y >>> 1 ^ mag01[y & 0x1]); + } + for (; kk < N - 1; kk++) { + y = unsigned32(mt[kk] & UPPER_MASK | mt[kk + 1] & LOWER_MASK); + mt[kk] = unsigned32(mt[kk + (M - N)] ^ y >>> 1 ^ mag01[y & 0x1]); + } - if (initAccum && length) { - accumulator = array[++index]; - } - while (++index < length) { - accumulator = iteratee(accumulator, array[index], index, array); - } - return accumulator; - } + y = unsigned32(mt[N - 1] & UPPER_MASK | mt[0] & LOWER_MASK); + mt[N - 1] = unsigned32(mt[M - 1] ^ y >>> 1 ^ mag01[y & 0x1]); + mti = 0; + } - /** - * A specialized version of `_.reduceRight` for arrays without support for - * iteratee shorthands. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @param {*} [accumulator] The initial value. - * @param {boolean} [initAccum] Specify using the last element of `array` as - * the initial value. - * @returns {*} Returns the accumulated value. - */ - function arrayReduceRight(array, iteratee, accumulator, initAccum) { - var length = array.length; - if (initAccum && length) { - accumulator = array[--length]; - } - while (length--) { - accumulator = iteratee(accumulator, array[length], length, array); - } - return accumulator; - } + y = mt[mti++]; - /** - * A specialized version of `_.some` 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 {boolean} Returns `true` if any element passes the predicate check, - * else `false`. - */ - function arraySome(array, predicate) { - var index = -1, - length = array.length; + y = unsigned32(y ^ y >>> 11); + y = unsigned32(y ^ y << 7 & 0x9d2c5680); + y = unsigned32(y ^ y << 15 & 0xefc60000); + y = unsigned32(y ^ y >>> 18); - while (++index < length) { - if (predicate(array[index], index, array)) { - return true; - } - } - return false; - } + return y; + }; - /** - * The base implementation of methods like `_.find` and `_.findKey`, without - * support for iteratee shorthands, which iterates over `collection` using - * `eachFunc`. - * - * @private - * @param {Array|Object} collection The collection to search. - * @param {Function} predicate The function invoked per iteration. - * @param {Function} eachFunc The function to iterate over `collection`. - * @param {boolean} [retKey] Specify returning the key of the found element - * instead of the element itself. - * @returns {*} Returns the found element or its key, else `undefined`. - */ - function baseFind(collection, predicate, eachFunc, retKey) { - var result; - eachFunc(collection, function(value, key, collection) { - if (predicate(value, key, collection)) { - result = retKey ? key : value; - return false; - } - }); - return result; - } + this.genrand_int31 = function () { + return this.genrand_int32() >>> 1; + }; - /** - * The base implementation of `_.findIndex` and `_.findLastIndex` without - * support for iteratee shorthands. - * - * @private - * @param {Array} array The array to search. - * @param {Function} predicate The function invoked per iteration. - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {number} Returns the index of the matched value, else `-1`. - */ - function baseFindIndex(array, predicate, fromRight) { - var length = array.length, - index = fromRight ? length : -1; + this.genrand_real1 = function () { + return this.genrand_int32() * (1.0 / 4294967295.0); + }; - while ((fromRight ? index-- : ++index < length)) { - if (predicate(array[index], index, array)) { - return index; - } - } - return -1; - } + this.genrand_real2 = function () { + return this.genrand_int32() * (1.0 / 4294967296.0); + }; - /** - * The base implementation of `_.indexOf` without `fromIndex` bounds checks. - * - * @private - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} fromIndex The index to search from. - * @returns {number} Returns the index of the matched value, else `-1`. - */ - function baseIndexOf(array, value, fromIndex) { - if (value !== value) { - return indexOfNaN(array, fromIndex); - } - var index = fromIndex - 1, - length = array.length; + this.genrand_real3 = function () { + return (this.genrand_int32() + 0.5) * (1.0 / 4294967296.0); + }; - while (++index < length) { - if (array[index] === value) { - return index; - } - } - return -1; - } + this.genrand_res53 = function () { + var a = this.genrand_int32() >>> 5, + b = this.genrand_int32() >>> 6; + return (a * 67108864.0 + b) * (1.0 / 9007199254740992.0); + }; + } - /** - * This function is like `baseIndexOf` except that it accepts a comparator. - * - * @private - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} fromIndex The index to search from. - * @param {Function} comparator The comparator invoked per element. - * @returns {number} Returns the index of the matched value, else `-1`. - */ - function baseIndexOfWith(array, value, fromIndex, comparator) { - var index = fromIndex - 1, - length = array.length; + module.exports.MersenneTwister19937 = MersenneTwister19937; - while (++index < length) { - if (comparator(array[index], value)) { - return index; - } - } - return -1; - } - - /** - * The base implementation of `_.mean` and `_.meanBy` without support for - * iteratee shorthands. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {number} Returns the mean. - */ - function baseMean(array, iteratee) { - var length = array ? array.length : 0; - return length ? (baseSum(array, iteratee) / length) : NAN; - } - - /** - * The base implementation of `_.reduce` and `_.reduceRight`, without support - * for iteratee shorthands, which iterates over `collection` using `eachFunc`. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @param {*} accumulator The initial value. - * @param {boolean} initAccum Specify using the first or last element of - * `collection` as the initial value. - * @param {Function} eachFunc The function to iterate over `collection`. - * @returns {*} Returns the accumulated value. - */ - function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) { - eachFunc(collection, function(value, index, collection) { - accumulator = initAccum - ? (initAccum = false, value) - : iteratee(accumulator, value, index, collection); - }); - return accumulator; - } - - /** - * The base implementation of `_.sortBy` which uses `comparer` to define the - * sort order of `array` and replaces criteria objects with their corresponding - * values. - * - * @private - * @param {Array} array The array to sort. - * @param {Function} comparer The function to define sort order. - * @returns {Array} Returns `array`. - */ - function baseSortBy(array, comparer) { - var length = array.length; - - array.sort(comparer); - while (length--) { - array[length] = array[length].value; - } - return array; - } - - /** - * The base implementation of `_.sum` and `_.sumBy` without support for - * iteratee shorthands. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {number} Returns the sum. - */ - function baseSum(array, iteratee) { - var result, - index = -1, - length = array.length; - - while (++index < length) { - var current = iteratee(array[index]); - if (current !== undefined) { - result = result === undefined ? current : (result + current); - } - } - return result; - } - - /** - * The base implementation of `_.times` without support for iteratee shorthands - * or max array length checks. - * - * @private - * @param {number} n The number of times to invoke `iteratee`. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Array} Returns the array of results. - */ - function baseTimes(n, iteratee) { - var index = -1, - result = Array(n); - - while (++index < n) { - result[index] = iteratee(index); - } - return result; - } - - /** - * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array - * of key-value pairs for `object` corresponding to the property names of `props`. - * - * @private - * @param {Object} object The object to query. - * @param {Array} props The property names to get values for. - * @returns {Object} Returns the key-value pairs. - */ - function baseToPairs(object, props) { - return arrayMap(props, function(key) { - return [key, object[key]]; - }); - } - - /** - * The base implementation of `_.unary` without support for storing wrapper metadata. - * - * @private - * @param {Function} func The function to cap arguments for. - * @returns {Function} Returns the new capped function. - */ - function baseUnary(func) { - return function(value) { - return func(value); - }; - } - - /** - * The base implementation of `_.values` and `_.valuesIn` which creates an - * array of `object` property values corresponding to the property names - * of `props`. - * - * @private - * @param {Object} object The object to query. - * @param {Array} props The property names to get values for. - * @returns {Object} Returns the array of property values. - */ - function baseValues(object, props) { - return arrayMap(props, function(key) { - return object[key]; - }); - } - - /** - * Checks if a cache value for `key` exists. - * - * @private - * @param {Object} cache The cache to query. - * @param {string} key The key of the entry to check. - * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. - */ - function cacheHas(cache, key) { - return cache.has(key); - } - - /** - * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol - * that is not found in the character symbols. - * - * @private - * @param {Array} strSymbols The string symbols to inspect. - * @param {Array} chrSymbols The character symbols to find. - * @returns {number} Returns the index of the first unmatched string symbol. - */ - function charsStartIndex(strSymbols, chrSymbols) { - var index = -1, - length = strSymbols.length; - - while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} - return index; - } - - /** - * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol - * that is not found in the character symbols. - * - * @private - * @param {Array} strSymbols The string symbols to inspect. - * @param {Array} chrSymbols The character symbols to find. - * @returns {number} Returns the index of the last unmatched string symbol. - */ - function charsEndIndex(strSymbols, chrSymbols) { - var index = strSymbols.length; - - while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} - return index; - } - - /** - * Checks if `value` is a global object. - * - * @private - * @param {*} value The value to check. - * @returns {null|Object} Returns `value` if it's a global object, else `null`. - */ - function checkGlobal(value) { - return (value && value.Object === Object) ? value : null; - } - - /** - * Gets the number of `placeholder` occurrences in `array`. - * - * @private - * @param {Array} array The array to inspect. - * @param {*} placeholder The placeholder to search for. - * @returns {number} Returns the placeholder count. - */ - function countHolders(array, placeholder) { - var length = array.length, - result = 0; - - while (length--) { - if (array[length] === placeholder) { - result++; - } - } - return result; - } - - /** - * Used by `_.deburr` to convert latin-1 supplementary letters to basic latin letters. - * - * @private - * @param {string} letter The matched letter to deburr. - * @returns {string} Returns the deburred letter. - */ - function deburrLetter(letter) { - return deburredLetters[letter]; - } - - /** - * Used by `_.escape` to convert characters to HTML entities. - * - * @private - * @param {string} chr The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeHtmlChar(chr) { - return htmlEscapes[chr]; - } - - /** - * Used by `_.template` to escape characters for inclusion in compiled string literals. - * - * @private - * @param {string} chr The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeStringChar(chr) { - return '\\' + stringEscapes[chr]; - } - - /** - * Gets the index at which the first occurrence of `NaN` is found in `array`. - * - * @private - * @param {Array} array The array to search. - * @param {number} fromIndex The index to search from. - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {number} Returns the index of the matched `NaN`, else `-1`. - */ - function indexOfNaN(array, fromIndex, fromRight) { - var length = array.length, - index = fromIndex + (fromRight ? 0 : -1); - - while ((fromRight ? index-- : ++index < length)) { - var other = array[index]; - if (other !== other) { - return index; - } - } - return -1; - } - - /** - * Checks if `value` is a host object in IE < 9. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a host object, else `false`. - */ - function isHostObject(value) { - // Many host objects are `Object` objects that can coerce to strings - // despite having improperly defined `toString` methods. - var result = false; - if (value != null && typeof value.toString != 'function') { - try { - result = !!(value + ''); - } catch (e) {} - } - return result; - } - - /** - * Converts `iterator` to an array. - * - * @private - * @param {Object} iterator The iterator to convert. - * @returns {Array} Returns the converted array. - */ - function iteratorToArray(iterator) { - var data, - result = []; - - while (!(data = iterator.next()).done) { - result.push(data.value); - } - return result; - } - - /** - * Converts `map` to its key-value pairs. - * - * @private - * @param {Object} map The map to convert. - * @returns {Array} Returns the key-value pairs. - */ - function mapToArray(map) { - var index = -1, - result = Array(map.size); - - map.forEach(function(value, key) { - result[++index] = [key, value]; - }); - return result; - } - - /** - * Replaces all `placeholder` elements in `array` with an internal placeholder - * and returns an array of their indexes. - * - * @private - * @param {Array} array The array to modify. - * @param {*} placeholder The placeholder to replace. - * @returns {Array} Returns the new array of placeholder indexes. - */ - function replaceHolders(array, placeholder) { - var index = -1, - length = array.length, - resIndex = 0, - result = []; - - while (++index < length) { - var value = array[index]; - if (value === placeholder || value === PLACEHOLDER) { - array[index] = PLACEHOLDER; - result[resIndex++] = index; - } - } - return result; - } - - /** - * Converts `set` to an array of its values. - * - * @private - * @param {Object} set The set to convert. - * @returns {Array} Returns the values. - */ - function setToArray(set) { - var index = -1, - result = Array(set.size); - - set.forEach(function(value) { - result[++index] = value; - }); - return result; - } + var gen = new MersenneTwister19937(); + gen.init_genrand(new Date().getTime() % 1000000000); - /** - * Converts `set` to its value-value pairs. - * - * @private - * @param {Object} set The set to convert. - * @returns {Array} Returns the value-value pairs. - */ - function setToPairs(set) { - var index = -1, - result = Array(set.size); + module.exports.rand = function (max, min) { + if (max === undefined) { + min = 0; + max = 32768; + } + return Math.floor(gen.genrand_real2() * (max - min) + min); + }; + module.exports.seed = function (S) { + if (typeof S != 'number') throw new Error("seed(S) must take numeric argument; is " + (typeof S === 'undefined' ? 'undefined' : _typeof(S))); - set.forEach(function(value) { - result[++index] = [value, value]; - }); - return result; - } + gen.init_genrand(S); + }; + module.exports.seed_array = function (A) { + if ((typeof A === 'undefined' ? 'undefined' : _typeof(A)) != 'object') throw new Error("seed_array(A) must take array of numbers; is " + (typeof A === 'undefined' ? 'undefined' : _typeof(A))); - /** - * Gets the number of symbols in `string`. - * - * @private - * @param {string} string The string to inspect. - * @returns {number} Returns the string size. - */ - function stringSize(string) { - if (!(string && reHasComplexSymbol.test(string))) { - return string.length; - } - var result = reComplexSymbol.lastIndex = 0; - while (reComplexSymbol.test(string)) { - result++; - } - return result; - } + gen.init_by_array(A); + }; - /** - * Converts `string` to an array. - * - * @private - * @param {string} string The string to convert. - * @returns {Array} Returns the converted array. - */ - function stringToArray(string) { - return string.match(reComplexSymbol); - } +/***/ }, +/* 4 */, +/* 5 */ +/***/ function(module, exports, __webpack_require__) { - /** - * Used by `_.unescape` to convert HTML entities to characters. - * - * @private - * @param {string} chr The matched character to unescape. - * @returns {string} Returns the unescaped character. - */ - function unescapeHtmlChar(chr) { - return htmlUnescapes[chr]; - } + "use strict"; - /*--------------------------------------------------------------------------*/ - - /** - * Create a new pristine `lodash` function using the `context` object. - * - * @static - * @memberOf _ - * @since 1.1.0 - * @category Util - * @param {Object} [context=root] The context object. - * @returns {Function} Returns a new `lodash` function. - * @example - * - * _.mixin({ 'foo': _.constant('foo') }); - * - * var lodash = _.runInContext(); - * lodash.mixin({ 'bar': lodash.constant('bar') }); - * - * _.isFunction(_.foo); - * // => true - * _.isFunction(_.bar); - * // => false - * - * lodash.isFunction(lodash.foo); - * // => false - * lodash.isFunction(lodash.bar); - * // => true - * - * // Use `context` to mock `Date#getTime` use in `_.now`. - * var mock = _.runInContext({ - * 'Date': function() { - * return { 'getTime': getTimeMock }; - * } - * }); - * - * // Create a suped-up `defer` in Node.js. - * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer; - */ - function runInContext(context) { - context = context ? _.defaults({}, context, _.pick(root, contextProps)) : root; - - /** Built-in constructor references. */ - var Date = context.Date, - Error = context.Error, - Math = context.Math, - RegExp = context.RegExp, - TypeError = context.TypeError; - - /** Used for built-in method references. */ - var arrayProto = context.Array.prototype, - objectProto = context.Object.prototype, - stringProto = context.String.prototype; - - /** Used to resolve the decompiled source of functions. */ - var funcToString = context.Function.prototype.toString; - - /** Used to check objects for own properties. */ - var hasOwnProperty = objectProto.hasOwnProperty; - - /** Used to generate unique IDs. */ - var idCounter = 0; - - /** Used to infer the `Object` constructor. */ - var objectCtorString = funcToString.call(Object); - - /** - * Used to resolve the - * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) - * of values. - */ - var objectToString = objectProto.toString; - - /** Used to restore the original `_` reference in `_.noConflict`. */ - var oldDash = root._; - - /** Used to detect if a method is native. */ - var reIsNative = RegExp('^' + - funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') - .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' - ); - - /** Built-in value references. */ - var Buffer = moduleExports ? context.Buffer : undefined, - Reflect = context.Reflect, - Symbol = context.Symbol, - Uint8Array = context.Uint8Array, - clearTimeout = context.clearTimeout, - enumerate = Reflect ? Reflect.enumerate : undefined, - getOwnPropertySymbols = Object.getOwnPropertySymbols, - iteratorSymbol = typeof (iteratorSymbol = Symbol && Symbol.iterator) == 'symbol' ? iteratorSymbol : undefined, - objectCreate = Object.create, - propertyIsEnumerable = objectProto.propertyIsEnumerable, - setTimeout = context.setTimeout, - splice = arrayProto.splice; - - /* Built-in method references for those with the same name as other `lodash` methods. */ - var nativeCeil = Math.ceil, - nativeFloor = Math.floor, - nativeGetPrototype = Object.getPrototypeOf, - nativeIsFinite = context.isFinite, - nativeJoin = arrayProto.join, - nativeKeys = Object.keys, - nativeMax = Math.max, - nativeMin = Math.min, - nativeParseInt = context.parseInt, - nativeRandom = Math.random, - nativeReplace = stringProto.replace, - nativeReverse = arrayProto.reverse, - nativeSplit = stringProto.split; - - /* Built-in method references that are verified to be native. */ - var DataView = getNative(context, 'DataView'), - Map = getNative(context, 'Map'), - Promise = getNative(context, 'Promise'), - Set = getNative(context, 'Set'), - WeakMap = getNative(context, 'WeakMap'), - nativeCreate = getNative(Object, 'create'); - - /** Used to store function metadata. */ - var metaMap = WeakMap && new WeakMap; - - /** Detect if properties shadowing those on `Object.prototype` are non-enumerable. */ - var nonEnumShadows = !propertyIsEnumerable.call({ 'valueOf': 1 }, 'valueOf'); - - /** Used to lookup unminified function names. */ - var realNames = {}; - - /** Used to detect maps, sets, and weakmaps. */ - var dataViewCtorString = toSource(DataView), - mapCtorString = toSource(Map), - promiseCtorString = toSource(Promise), - setCtorString = toSource(Set), - weakMapCtorString = toSource(WeakMap); - - /** Used to convert symbols to primitives and strings. */ - var symbolProto = Symbol ? Symbol.prototype : undefined, - symbolValueOf = symbolProto ? symbolProto.valueOf : undefined, - symbolToString = symbolProto ? symbolProto.toString : undefined; - - /*------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` object which wraps `value` to enable implicit method - * chain sequences. Methods that operate on and return arrays, collections, - * and functions can be chained together. Methods that retrieve a single value - * or may return a primitive value will automatically end the chain sequence - * and return the unwrapped value. Otherwise, the value must be unwrapped - * with `_#value`. - * - * Explicit chain sequences, which must be unwrapped with `_#value`, may be - * enabled using `_.chain`. - * - * The execution of chained methods is lazy, that is, it's deferred until - * `_#value` is implicitly or explicitly called. - * - * Lazy evaluation allows several methods to support shortcut fusion. - * Shortcut fusion is an optimization to merge iteratee calls; this avoids - * the creation of intermediate arrays and can greatly reduce the number of - * iteratee executions. Sections of a chain sequence qualify for shortcut - * fusion if the section is applied to an array of at least `200` elements - * and any iteratees accept only one argument. The heuristic for whether a - * section qualifies for shortcut fusion is subject to change. - * - * Chaining is supported in custom builds as long as the `_#value` method is - * directly or indirectly included in the build. - * - * In addition to lodash methods, wrappers have `Array` and `String` methods. - * - * The wrapper `Array` methods are: - * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift` - * - * The wrapper `String` methods are: - * `replace` and `split` - * - * The wrapper methods that support shortcut fusion are: - * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`, - * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`, - * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray` - * - * The chainable wrapper methods are: - * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`, - * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`, - * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`, - * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`, - * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`, - * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`, - * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`, - * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`, - * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`, - * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`, - * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`, - * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`, - * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`, - * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`, - * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`, - * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`, - * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`, - * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`, - * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`, - * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`, - * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`, - * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`, - * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, - * `zipObject`, `zipObjectDeep`, and `zipWith` - * - * The wrapper methods that are **not** chainable by default are: - * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`, - * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `deburr`, `divide`, `each`, - * `eachRight`, `endsWith`, `eq`, `escape`, `escapeRegExp`, `every`, `find`, - * `findIndex`, `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `first`, - * `floor`, `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, - * `forOwnRight`, `get`, `gt`, `gte`, `has`, `hasIn`, `head`, `identity`, - * `includes`, `indexOf`, `inRange`, `invoke`, `isArguments`, `isArray`, - * `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, `isBoolean`, - * `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`, `isEqualWith`, - * `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`, `isMap`, - * `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, `isNumber`, - * `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`, `isSafeInteger`, - * `isSet`, `isString`, `isUndefined`, `isTypedArray`, `isWeakMap`, `isWeakSet`, - * `join`, `kebabCase`, `last`, `lastIndexOf`, `lowerCase`, `lowerFirst`, - * `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`, `min`, `minBy`, `multiply`, - * `noConflict`, `noop`, `now`, `nth`, `pad`, `padEnd`, `padStart`, `parseInt`, - * `pop`, `random`, `reduce`, `reduceRight`, `repeat`, `result`, `round`, - * `runInContext`, `sample`, `shift`, `size`, `snakeCase`, `some`, `sortedIndex`, - * `sortedIndexBy`, `sortedLastIndex`, `sortedLastIndexBy`, `startCase`, - * `startsWith`, `subtract`, `sum`, `sumBy`, `template`, `times`, `toFinite`, - * `toInteger`, `toJSON`, `toLength`, `toLower`, `toNumber`, `toSafeInteger`, - * `toString`, `toUpper`, `trim`, `trimEnd`, `trimStart`, `truncate`, `unescape`, - * `uniqueId`, `upperCase`, `upperFirst`, `value`, and `words` - * - * @name _ - * @constructor - * @category Seq - * @param {*} value The value to wrap in a `lodash` instance. - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * function square(n) { - * return n * n; - * } - * - * var wrapped = _([1, 2, 3]); - * - * // Returns an unwrapped value. - * wrapped.reduce(_.add); - * // => 6 - * - * // Returns a wrapped value. - * var squares = wrapped.map(square); - * - * _.isArray(squares); - * // => false - * - * _.isArray(squares.value()); - * // => true - */ - function lodash(value) { - if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) { - if (value instanceof LodashWrapper) { - return value; - } - if (hasOwnProperty.call(value, '__wrapped__')) { - return wrapperClone(value); - } - } - return new LodashWrapper(value); - } + module.exports = { + country: __webpack_require__(173), - /** - * The function whose prototype chain sequence wrappers inherit from. - * - * @private - */ - function baseLodash() { - // No operation performed. - } + countryCode: __webpack_require__(174), - /** - * The base constructor for creating `lodash` wrapper objects. - * - * @private - * @param {*} value The value to wrap. - * @param {boolean} [chainAll] Enable explicit method chain sequences. - */ - function LodashWrapper(value, chainAll) { - this.__wrapped__ = value; - this.__actions__ = []; - this.__chain__ = !!chainAll; - this.__index__ = 0; - this.__values__ = undefined; - } + state: __webpack_require__(175), - /** - * By default, the template delimiters used by lodash are like those in - * embedded Ruby (ERB). Change the following template settings to use - * alternative delimiters. - * - * @static - * @memberOf _ - * @type {Object} - */ - lodash.templateSettings = { - - /** - * Used to detect `data` property values to be HTML-escaped. - * - * @memberOf _.templateSettings - * @type {RegExp} - */ - 'escape': reEscape, - - /** - * Used to detect code to be evaluated. - * - * @memberOf _.templateSettings - * @type {RegExp} - */ - 'evaluate': reEvaluate, - - /** - * Used to detect `data` property values to inject. - * - * @memberOf _.templateSettings - * @type {RegExp} - */ - 'interpolate': reInterpolate, - - /** - * Used to reference the data object in the template text. - * - * @memberOf _.templateSettings - * @type {string} - */ - 'variable': '', - - /** - * Used to import variables into the compiled template. - * - * @memberOf _.templateSettings - * @type {Object} - */ - 'imports': { - - /** - * A reference to the `lodash` function. - * - * @memberOf _.templateSettings.imports - * @type {Function} - */ - '_': lodash - } - }; - - // Ensure wrappers are instances of `baseLodash`. - lodash.prototype = baseLodash.prototype; - lodash.prototype.constructor = lodash; - - LodashWrapper.prototype = baseCreate(baseLodash.prototype); - LodashWrapper.prototype.constructor = LodashWrapper; - - /*------------------------------------------------------------------------*/ - - /** - * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation. - * - * @private - * @constructor - * @param {*} value The value to wrap. - */ - function LazyWrapper(value) { - this.__wrapped__ = value; - this.__actions__ = []; - this.__dir__ = 1; - this.__filtered__ = false; - this.__iteratees__ = []; - this.__takeCount__ = MAX_ARRAY_LENGTH; - this.__views__ = []; - } + stateAbbr: __webpack_require__(177), - /** - * Creates a clone of the lazy wrapper object. - * - * @private - * @name clone - * @memberOf LazyWrapper - * @returns {Object} Returns the cloned `LazyWrapper` object. - */ - function lazyClone() { - var result = new LazyWrapper(this.__wrapped__); - result.__actions__ = copyArray(this.__actions__); - result.__dir__ = this.__dir__; - result.__filtered__ = this.__filtered__; - result.__iteratees__ = copyArray(this.__iteratees__); - result.__takeCount__ = this.__takeCount__; - result.__views__ = copyArray(this.__views__); - return result; - } + city: ["#{address.cityPrefix} #{names.firstName}#{address.citySuffix}", "#{address.cityPrefix} #{names.firstName}", "#{names.firstName}#{address.citySuffix}", "#{names.lastName}#{address.citySuffix}"], - /** - * Reverses the direction of lazy iteration. - * - * @private - * @name reverse - * @memberOf LazyWrapper - * @returns {Object} Returns the new reversed `LazyWrapper` object. - */ - function lazyReverse() { - if (this.__filtered__) { - var result = new LazyWrapper(this); - result.__dir__ = -1; - result.__filtered__ = true; - } else { - result = this.clone(); - result.__dir__ *= -1; - } - return result; - } + cityPrefix: ["North", "East", "West", "South", "New", "Lake", "Port"], - /** - * Extracts the unwrapped value from its lazy wrapper. - * - * @private - * @name value - * @memberOf LazyWrapper - * @returns {*} Returns the unwrapped value. - */ - function lazyValue() { - var array = this.__wrapped__.value(), - dir = this.__dir__, - isArr = isArray(array), - isRight = dir < 0, - arrLength = isArr ? array.length : 0, - view = getView(0, arrLength, this.__views__), - start = view.start, - end = view.end, - length = end - start, - index = isRight ? end : (start - 1), - iteratees = this.__iteratees__, - iterLength = iteratees.length, - resIndex = 0, - takeCount = nativeMin(length, this.__takeCount__); - - if (!isArr || arrLength < LARGE_ARRAY_SIZE || - (arrLength == length && takeCount == length)) { - return baseWrapperValue(array, this.__actions__); - } - var result = []; - - outer: - while (length-- && resIndex < takeCount) { - index += dir; - - var iterIndex = -1, - value = array[index]; - - while (++iterIndex < iterLength) { - var data = iteratees[iterIndex], - iteratee = data.iteratee, - type = data.type, - computed = iteratee(value); - - if (type == LAZY_MAP_FLAG) { - value = computed; - } else if (!computed) { - if (type == LAZY_FILTER_FLAG) { - continue outer; - } else { - break outer; - } - } - } - result[resIndex++] = value; - } - return result; - } + citySuffix: ["town", "ton", "land", "ville", "berg", "burgh", "borough", "bury", "view", "port", "mouth", "stad", "furt", "chester", "mouth", "fort", "haven", "side", "shire"], - // Ensure `LazyWrapper` is an instance of `baseLodash`. - LazyWrapper.prototype = baseCreate(baseLodash.prototype); - LazyWrapper.prototype.constructor = LazyWrapper; - - /*------------------------------------------------------------------------*/ - - /** - * Creates a hash object. - * - * @private - * @constructor - * @param {Array} [entries] The key-value pairs to cache. - */ - function Hash(entries) { - var index = -1, - length = entries ? entries.length : 0; - - this.clear(); - while (++index < length) { - var entry = entries[index]; - this.set(entry[0], entry[1]); - } - } + street: ["#{address.buildingNumber} #{address.streetName}", "#{address.buildingNumber} #{address.streetName}", "#{address.buildingNumber} #{address.streetName} Apt. ###", "#{address.buildingNumber} #{address.streetName} Suite ###"], - /** - * Removes all key-value entries from the hash. - * - * @private - * @name clear - * @memberOf Hash - */ - function hashClear() { - this.__data__ = nativeCreate ? nativeCreate(null) : {}; - } + streetName: ["#{names.firstName} #{address.streetSuffix}", "#{names.lastName} #{address.streetSuffix}"], - /** - * 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) { - return this.has(key) && delete this.__data__[key]; - } + streetSuffix: __webpack_require__(176), - /** - * 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.call(data, key) ? data[key] : undefined; - } + buildingNumber: ["#####", "####", "###"], - /** - * 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.call(data, key); - } + postCode: ["#####", "#####-####"], - /** - * 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__; - data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value; - return this; - } + geoLocation: function geoLocation() { + return { + latitude: this.random.number(180 * 10000) / 10000.0 - 90.0, + longitude: this.random.number(360 * 10000) / 10000.0 - 180.0 + }; + } + }; - // Add methods to `Hash`. - Hash.prototype.clear = hashClear; - Hash.prototype['delete'] = hashDelete; - Hash.prototype.get = hashGet; - Hash.prototype.has = hashHas; - Hash.prototype.set = hashSet; - - /*------------------------------------------------------------------------*/ - - /** - * Creates an list cache object. - * - * @private - * @constructor - * @param {Array} [entries] The key-value pairs to cache. - */ - function ListCache(entries) { - var index = -1, - length = entries ? entries.length : 0; - - this.clear(); - while (++index < length) { - var entry = entries[index]; - this.set(entry[0], entry[1]); - } - } +/***/ }, +/* 6 */ +/***/ function(module, exports) { - /** - * Removes all key-value entries from the list cache. - * - * @private - * @name clear - * @memberOf ListCache - */ - function listCacheClear() { - this.__data__ = []; - } + "use strict"; - /** - * 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); - } - return true; - } + module.exports = { + name: ["#{names.lastName} #{company.suffix}", "#{names.lastName}-#{names.lastName} #{company.suffix}", "#{names.lastName}, #{names.lastName} and #{names.lastName} #{company.suffix}"], - /** - * 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]; - } + suffix: ["Ltd.", "Inc.", "Corp.", "LLC", "Group"] + }; - /** - * 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; - } +/***/ }, +/* 7 */ +/***/ function(module, exports, __webpack_require__) { - /** - * 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) { - data.push([key, value]); - } else { - data[index][1] = value; - } - return this; - } + "use strict"; - // Add methods to `ListCache`. - ListCache.prototype.clear = listCacheClear; - ListCache.prototype['delete'] = listCacheDelete; - ListCache.prototype.get = listCacheGet; - ListCache.prototype.has = listCacheHas; - ListCache.prototype.set = listCacheSet; - - /*------------------------------------------------------------------------*/ - - /** - * 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 ? entries.length : 0; - - this.clear(); - while (++index < length) { - var entry = entries[index]; - this.set(entry[0], entry[1]); - } - } + module.exports = { + months: [], + days: [], + timezone: __webpack_require__(191), - /** - * Removes all key-value entries from the map. - * - * @private - * @name clear - * @memberOf MapCache - */ - function mapCacheClear() { - this.__data__ = { - 'hash': new Hash, - 'map': new (Map || ListCache), - 'string': new Hash - }; - } + past: function past(years, refDate) { + debugger; + var date = refDate ? new Date(Date.parse(refDate)) : new Date(); + var min = 1000; + var max = (years || 1) * 365 * 24 * 3600 * 1000; - /** - * 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) { - return getMapData(this, key)['delete'](key); - } + var past = date.getTime(); + past -= this.random.number(max, min); + date.setTime(past); - /** - * 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); - } + return date; + }, + future: function future(years, refDate) { + var date = refDate ? new Date(Date.parse(refDate)) : new Date(); + var min = 1000; + var max = (years || 1) * 365 * 24 * 3600 * 1000; - /** - * 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 future = date.getTime(); + future += this.random.number(max, min); + date.setTime(future); - /** - * 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) { - getMapData(this, key).set(key, value); - return this; - } + return date; + }, + between: function between(from, to) { + var fromMilli = Date.parse(from); + var dateOffset = this.random.number(Date.parse(to) - fromMilli); - // Add methods to `MapCache`. - MapCache.prototype.clear = mapCacheClear; - MapCache.prototype['delete'] = mapCacheDelete; - MapCache.prototype.get = mapCacheGet; - MapCache.prototype.has = mapCacheHas; - MapCache.prototype.set = mapCacheSet; - - /*------------------------------------------------------------------------*/ - - /** - * - * Creates an array cache object to store unique values. - * - * @private - * @constructor - * @param {Array} [values] The values to cache. - */ - function SetCache(values) { - var index = -1, - length = values ? values.length : 0; - - this.__data__ = new MapCache; - while (++index < length) { - this.add(values[index]); - } - } + var newDate = new Date(fromMilli + dateOffset); - /** - * Adds `value` to the array cache. - * - * @private - * @name add - * @memberOf SetCache - * @alias push - * @param {*} value The value to cache. - * @returns {Object} Returns the cache instance. - */ - function setCacheAdd(value) { - this.__data__.set(value, HASH_UNDEFINED); - return this; - } + return newDate; + }, + recent: function recent(days) { + var date = new Date(); + var min = 1000; + var max = (days || 1) * 24 * 3600 * 1000; - /** - * Checks if `value` is in the array cache. - * - * @private - * @name has - * @memberOf SetCache - * @param {*} value The value to search for. - * @returns {number} Returns `true` if `value` is found, else `false`. - */ - function setCacheHas(value) { - return this.__data__.has(value); - } + var past = date.getTime(); + past -= this.random.number(max, min); + date.setTime(past); - // Add methods to `SetCache`. - SetCache.prototype.add = SetCache.prototype.push = setCacheAdd; - SetCache.prototype.has = setCacheHas; - - /*------------------------------------------------------------------------*/ - - /** - * Creates a stack cache object to store key-value pairs. - * - * @private - * @constructor - * @param {Array} [entries] The key-value pairs to cache. - */ - function Stack(entries) { - this.__data__ = new ListCache(entries); - } + return date; + } + }; - /** - * Removes all key-value entries from the stack. - * - * @private - * @name clear - * @memberOf Stack - */ - function stackClear() { - this.__data__ = new ListCache; - } +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { - /** - * 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) { - return this.__data__['delete'](key); - } + "use strict"; - /** - * 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); - } + module.exports = { + _meta: { + id: "default", + fallback: null, + mask: "\#\{([A-Za-z_\.]+)\}", + language: "English", + country: "Great Britain" + }, - /** - * 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); - } + names: __webpack_require__(9), + phone: __webpack_require__(12), + address: __webpack_require__(5), + company: __webpack_require__(6), + internet: __webpack_require__(13), + lorem: __webpack_require__(14), + date: __webpack_require__(7) + }; - /** - * 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 cache = this.__data__; - if (cache instanceof ListCache && cache.__data__.length == LARGE_ARRAY_SIZE) { - cache = this.__data__ = new MapCache(cache.__data__); - } - cache.set(key, value); - return this; - } +/***/ }, +/* 9 */ +/***/ function(module, exports, __webpack_require__) { - // Add methods to `Stack`. - Stack.prototype.clear = stackClear; - Stack.prototype['delete'] = stackDelete; - Stack.prototype.get = stackGet; - Stack.prototype.has = stackHas; - Stack.prototype.set = stackSet; - - /*------------------------------------------------------------------------*/ - - /** - * Used by `_.defaults` to customize its `_.assignIn` use. - * - * @private - * @param {*} objValue The destination value. - * @param {*} srcValue The source value. - * @param {string} key The key of the property to assign. - * @param {Object} object The parent object of `objValue`. - * @returns {*} Returns the value to assign. - */ - function assignInDefaults(objValue, srcValue, key, object) { - if (objValue === undefined || - (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) { - return srcValue; - } - return objValue; - } + "use strict"; - /** - * This function is like `assignValue` except that it doesn't assign - * `undefined` values. - * - * @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 assignMergeValue(object, key, value) { - if ((value !== undefined && !eq(object[key], value)) || - (typeof key == 'number' && value === undefined && !(key in object))) { - object[key] = value; - } - } + module.exports = { + firstNameM: __webpack_require__(10), - /** - * Assigns `value` to `key` of `object` if the existing value is not equivalent - * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. - * - * @private - * @param {Object} object The object to modify. - * @param {string} key The key of the property to assign. - * @param {*} value The value to assign. - */ - function assignValue(object, key, value) { - var objValue = object[key]; - if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || - (value === undefined && !(key in object))) { - object[key] = value; - } - } + firstNameF: __webpack_require__(10), - /** - * Gets the index at which the `key` is found in `array` of key-value pairs. - * - * @private - * @param {Array} array The array to search. - * @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(array[length][0], key)) { - return length; - } - } - return -1; - } + firstName: ["#{names.firstNameM}", "#{names.firstNameF}"], - /** - * Aggregates elements of `collection` on `accumulator` with keys transformed - * by `iteratee` and values set by `setter`. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} setter The function to set `accumulator` values. - * @param {Function} iteratee The iteratee to transform keys. - * @param {Object} accumulator The initial aggregated object. - * @returns {Function} Returns `accumulator`. - */ - function baseAggregator(collection, setter, iteratee, accumulator) { - baseEach(collection, function(value, key, collection) { - setter(accumulator, value, iteratee(value), collection); - }); - return accumulator; - } + lastNameM: __webpack_require__(11), - /** - * 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(source), object); - } + lastNameF: __webpack_require__(11), - /** - * The base implementation of `_.at` without support for individual paths. - * - * @private - * @param {Object} object The object to iterate over. - * @param {string[]} paths The property paths of elements to pick. - * @returns {Array} Returns the picked elements. - */ - function baseAt(object, paths) { - var index = -1, - isNil = object == null, - length = paths.length, - result = Array(length); - - while (++index < length) { - result[index] = isNil ? undefined : get(object, paths[index]); - } - return result; - } + lastName: ["#{names.lastNameM}", "#{names.lastNameF}"], - /** - * The base implementation of `_.clamp` which doesn't coerce arguments to numbers. - * - * @private - * @param {number} number The number to clamp. - * @param {number} [lower] The lower bound. - * @param {number} upper The upper bound. - * @returns {number} Returns the clamped number. - */ - function baseClamp(number, lower, upper) { - if (number === number) { - if (upper !== undefined) { - number = number <= upper ? number : upper; - } - if (lower !== undefined) { - number = number >= lower ? number : lower; - } - } - return number; - } + prefix: ["Mr.", "Mrs.", "Ms.", "Miss", "Dr."], - /** - * The base implementation of `_.clone` and `_.cloneDeep` which tracks - * traversed objects. - * - * @private - * @param {*} value The value to clone. - * @param {boolean} [isDeep] Specify a deep clone. - * @param {boolean} [isFull] Specify a clone including 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, isDeep, isFull, customizer, key, object, stack) { - var result; - if (customizer) { - result = object ? customizer(value, key, object, stack) : customizer(value); - } - if (result !== undefined) { - return result; - } - if (!isObject(value)) { - return value; - } - var isArr = isArray(value); - if (isArr) { - result = initCloneArray(value); - if (!isDeep) { - return copyArray(value, result); - } - } else { - var tag = getTag(value), - isFunc = tag == funcTag || tag == genTag; - - if (isBuffer(value)) { - return cloneBuffer(value, isDeep); - } - if (tag == objectTag || tag == argsTag || (isFunc && !object)) { - if (isHostObject(value)) { - return object ? value : {}; - } - result = initCloneObject(isFunc ? {} : value); - if (!isDeep) { - return copySymbols(value, baseAssign(result, value)); - } - } else { - if (!cloneableTags[tag]) { - return object ? value : {}; - } - result = initCloneByTag(value, tag, baseClone, 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); + suffix: ["Jr.", "Sr.", "I", "II", "III", "IV", "V", "MD", "DDS", "PhD", "DVM"], - if (!isArr) { - var props = isFull ? getAllKeys(value) : keys(value); - } - // Recursively populate clone (susceptible to call stack limits). - arrayEach(props || value, function(subValue, key) { - if (props) { - key = subValue; - subValue = value[key]; - } - assignValue(result, key, baseClone(subValue, isDeep, isFull, customizer, key, value, stack)); - }); - return result; - } + nameM: ["#{names.prefix} #{names.firstNameM} #{names.lastNameM}", "#{names.firstNameM} #{names.lastNameM} #{names.suffix}", "#{names.firstNameM} #{names.lastNameM}", "#{names.firstNameM} #{names.lastNameM}", "#{names.firstNameM} #{names.lastNameM}", "#{names.firstNameM} #{names.lastNameM}"], - /** - * The base implementation of `_.conforms` which doesn't clone `source`. - * - * @private - * @param {Object} source The object of property predicates to conform to. - * @returns {Function} Returns the new spec function. - */ - function baseConforms(source) { - var props = keys(source), - length = props.length; - - return function(object) { - if (object == null) { - return !length; - } - var index = length; - while (index--) { - var key = props[index], - predicate = source[key], - value = object[key]; - - if ((value === undefined && - !(key in Object(object))) || !predicate(value)) { - return false; - } - } - return true; - }; - } + nameF: ["#{names.prefix} #{names.firstNameF} #{names.lastNameF}", "#{names.firstNameF} #{names.lastNameF} #{names.suffix}", "#{names.firstNameF} #{names.lastNameF}", "#{names.firstNameF} #{names.lastNameF}", "#{names.firstNameF} #{names.lastNameF}", "#{names.firstNameF} #{names.lastNameF}"], - /** - * The base implementation of `_.create` without support for assigning - * properties to the created object. - * - * @private - * @param {Object} prototype The object to inherit from. - * @returns {Object} Returns the new object. - */ - function baseCreate(proto) { - return isObject(proto) ? objectCreate(proto) : {}; - } + name: ["#{names.nameM}", "#{names.nameF}"] + }; - /** - * The base implementation of `_.delay` and `_.defer` which accepts an array - * of `func` arguments. - * - * @private - * @param {Function} func The function to delay. - * @param {number} wait The number of milliseconds to delay invocation. - * @param {Object} args The arguments to provide to `func`. - * @returns {number} Returns the timer id. - */ - function baseDelay(func, wait, args) { - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - return setTimeout(function() { func.apply(undefined, args); }, wait); - } - - /** - * The base implementation of methods like `_.difference` without support - * for excluding multiple arrays or iteratee shorthands. - * - * @private - * @param {Array} array The array to inspect. - * @param {Array} values The values to exclude. - * @param {Function} [iteratee] The iteratee invoked per element. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of filtered values. - */ - function baseDifference(array, values, iteratee, comparator) { - var index = -1, - includes = arrayIncludes, - isCommon = true, - length = array.length, - result = [], - valuesLength = values.length; - - if (!length) { - return result; - } - if (iteratee) { - values = arrayMap(values, baseUnary(iteratee)); - } - if (comparator) { - includes = arrayIncludesWith; - isCommon = false; - } - else if (values.length >= LARGE_ARRAY_SIZE) { - includes = cacheHas; - isCommon = false; - values = new SetCache(values); - } - outer: - while (++index < length) { - var value = array[index], - computed = iteratee ? iteratee(value) : value; - - value = (comparator || value !== 0) ? value : 0; - if (isCommon && computed === computed) { - var valuesIndex = valuesLength; - while (valuesIndex--) { - if (values[valuesIndex] === computed) { - continue outer; - } - } - result.push(value); - } - else if (!includes(values, computed, comparator)) { - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.forEach` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Array|Object} Returns `collection`. - */ - var baseEach = createBaseEach(baseForOwn); - - /** - * The base implementation of `_.forEachRight` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Array|Object} Returns `collection`. - */ - var baseEachRight = createBaseEach(baseForOwnRight, true); - - /** - * The base implementation of `_.every` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} predicate The function invoked per iteration. - * @returns {boolean} Returns `true` if all elements pass the predicate check, - * else `false` - */ - function baseEvery(collection, predicate) { - var result = true; - baseEach(collection, function(value, index, collection) { - result = !!predicate(value, index, collection); - return result; - }); - return result; - } - - /** - * The base implementation of methods like `_.max` and `_.min` which accepts a - * `comparator` to determine the extremum value. - * - * @private - * @param {Array} array The array to iterate over. - * @param {Function} iteratee The iteratee invoked per iteration. - * @param {Function} comparator The comparator used to compare values. - * @returns {*} Returns the extremum value. - */ - function baseExtremum(array, iteratee, comparator) { - var index = -1, - length = array.length; - - while (++index < length) { - var value = array[index], - current = iteratee(value); - - if (current != null && (computed === undefined - ? (current === current && !isSymbol(current)) - : comparator(current, computed) - )) { - var computed = current, - result = value; - } - } - return result; - } - - /** - * The base implementation of `_.fill` without an iteratee call guard. - * - * @private - * @param {Array} array The array to fill. - * @param {*} value The value to fill `array` with. - * @param {number} [start=0] The start position. - * @param {number} [end=array.length] The end position. - * @returns {Array} Returns `array`. - */ - function baseFill(array, value, start, end) { - var length = array.length; - - start = toInteger(start); - if (start < 0) { - start = -start > length ? 0 : (length + start); - } - end = (end === undefined || end > length) ? length : toInteger(end); - if (end < 0) { - end += length; - } - end = start > end ? 0 : toLength(end); - while (start < end) { - array[start++] = value; - } - return array; - } - - /** - * The base implementation of `_.filter` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} predicate The function invoked per iteration. - * @returns {Array} Returns the new filtered array. - */ - function baseFilter(collection, predicate) { - var result = []; - baseEach(collection, function(value, index, collection) { - if (predicate(value, index, collection)) { - result.push(value); - } - }); - return result; - } - - /** - * The base implementation of `_.flatten` with support for restricting flattening. - * - * @private - * @param {Array} array The array to flatten. - * @param {number} depth The maximum recursion depth. - * @param {boolean} [predicate=isFlattenable] The function invoked per iteration. - * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks. - * @param {Array} [result=[]] The initial result value. - * @returns {Array} Returns the new flattened array. - */ - function baseFlatten(array, depth, predicate, isStrict, result) { - var index = -1, - length = array.length; - - predicate || (predicate = isFlattenable); - result || (result = []); - - while (++index < length) { - var value = array[index]; - if (depth > 0 && predicate(value)) { - if (depth > 1) { - // Recursively flatten arrays (susceptible to call stack limits). - baseFlatten(value, depth - 1, predicate, isStrict, result); - } else { - arrayPush(result, value); - } - } else if (!isStrict) { - result[result.length] = value; - } - } - return result; - } - - /** - * The base implementation of `baseForOwn` which iterates over `object` - * properties returned by `keysFunc` and invokes `iteratee` for each property. - * Iteratee functions may exit iteration early by explicitly returning `false`. - * - * @private - * @param {Object} object The object to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @param {Function} keysFunc The function to get the keys of `object`. - * @returns {Object} Returns `object`. - */ - var baseFor = createBaseFor(); - - /** - * This function is like `baseFor` except that it iterates over properties - * in the opposite order. - * - * @private - * @param {Object} object The object to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @param {Function} keysFunc The function to get the keys of `object`. - * @returns {Object} Returns `object`. - */ - var baseForRight = createBaseFor(true); - - /** - * The base implementation of `_.forOwn` without support for iteratee shorthands. - * - * @private - * @param {Object} object The object to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Object} Returns `object`. - */ - function baseForOwn(object, iteratee) { - return object && baseFor(object, iteratee, keys); - } - - /** - * The base implementation of `_.forOwnRight` without support for iteratee shorthands. - * - * @private - * @param {Object} object The object to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Object} Returns `object`. - */ - function baseForOwnRight(object, iteratee) { - return object && baseForRight(object, iteratee, keys); - } - - /** - * The base implementation of `_.functions` which creates an array of - * `object` function property names filtered from `props`. - * - * @private - * @param {Object} object The object to inspect. - * @param {Array} props The property names to filter. - * @returns {Array} Returns the function names. - */ - function baseFunctions(object, props) { - return arrayFilter(props, function(key) { - return isFunction(object[key]); - }); - } - - /** - * The base implementation of `_.get` without support for default values. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} path The path of the property to get. - * @returns {*} Returns the resolved value. - */ - function baseGet(object, path) { - path = isKey(path, object) ? [path] : castPath(path); - - var index = 0, - length = path.length; - - while (object != null && index < length) { - object = object[toKey(path[index++])]; - } - return (index && index == length) ? object : undefined; - } - - /** - * 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(object) ? result : arrayPush(result, symbolsFunc(object)); - } - - /** - * The base implementation of `_.gt` which doesn't coerce arguments to numbers. - * - * @private - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is greater than `other`, - * else `false`. - */ - function baseGt(value, other) { - return value > other; - } - - /** - * The base implementation of `_.has` without support for deep paths. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} key The key to check. - * @returns {boolean} Returns `true` if `key` exists, else `false`. - */ - function baseHas(object, key) { - // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`, - // that are composed entirely of index properties, return `false` for - // `hasOwnProperty` checks of them. - return hasOwnProperty.call(object, key) || - (typeof object == 'object' && key in object && getPrototype(object) === null); - } - - /** - * The base implementation of `_.hasIn` without support for deep paths. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} key The key to check. - * @returns {boolean} Returns `true` if `key` exists, else `false`. - */ - function baseHasIn(object, key) { - return key in Object(object); - } - - /** - * The base implementation of `_.inRange` which doesn't coerce arguments to numbers. - * - * @private - * @param {number} number The number to check. - * @param {number} start The start of the range. - * @param {number} end The end of the range. - * @returns {boolean} Returns `true` if `number` is in the range, else `false`. - */ - function baseInRange(number, start, end) { - return number >= nativeMin(start, end) && number < nativeMax(start, end); - } - - /** - * The base implementation of methods like `_.intersection`, without support - * for iteratee shorthands, that accepts an array of arrays to inspect. - * - * @private - * @param {Array} arrays The arrays to inspect. - * @param {Function} [iteratee] The iteratee invoked per element. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of shared values. - */ - function baseIntersection(arrays, iteratee, comparator) { - var includes = comparator ? arrayIncludesWith : arrayIncludes, - length = arrays[0].length, - othLength = arrays.length, - othIndex = othLength, - caches = Array(othLength), - maxLength = Infinity, - result = []; - - while (othIndex--) { - var array = arrays[othIndex]; - if (othIndex && iteratee) { - array = arrayMap(array, baseUnary(iteratee)); - } - maxLength = nativeMin(array.length, maxLength); - caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120)) - ? new SetCache(othIndex && array) - : undefined; - } - array = arrays[0]; - - var index = -1, - seen = caches[0]; - - outer: - while (++index < length && result.length < maxLength) { - var value = array[index], - computed = iteratee ? iteratee(value) : value; - - value = (comparator || value !== 0) ? value : 0; - if (!(seen - ? cacheHas(seen, computed) - : includes(result, computed, comparator) - )) { - othIndex = othLength; - while (--othIndex) { - var cache = caches[othIndex]; - if (!(cache - ? cacheHas(cache, computed) - : includes(arrays[othIndex], computed, comparator)) - ) { - continue outer; - } - } - if (seen) { - seen.push(computed); - } - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.invert` and `_.invertBy` which inverts - * `object` with values transformed by `iteratee` and set by `setter`. - * - * @private - * @param {Object} object The object to iterate over. - * @param {Function} setter The function to set `accumulator` values. - * @param {Function} iteratee The iteratee to transform values. - * @param {Object} accumulator The initial inverted object. - * @returns {Function} Returns `accumulator`. - */ - function baseInverter(object, setter, iteratee, accumulator) { - baseForOwn(object, function(value, key, object) { - setter(accumulator, iteratee(value), key, object); - }); - return accumulator; - } - - /** - * The base implementation of `_.invoke` without support for individual - * method arguments. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} path The path of the method to invoke. - * @param {Array} args The arguments to invoke the method with. - * @returns {*} Returns the result of the invoked method. - */ - function baseInvoke(object, path, args) { - if (!isKey(path, object)) { - path = castPath(path); - object = parent(object, path); - path = last(path); - } - var func = object == null ? object : object[toKey(path)]; - return func == null ? undefined : apply(func, object, args); - } - - /** - * The base implementation of `_.isEqual` which supports partial comparisons - * and tracks traversed objects. - * - * @private - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @param {Function} [customizer] The function to customize comparisons. - * @param {boolean} [bitmask] The bitmask of comparison flags. - * The bitmask may be composed of the following flags: - * 1 - Unordered comparison - * 2 - Partial comparison - * @param {Object} [stack] Tracks traversed `value` and `other` objects. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - */ - function baseIsEqual(value, other, customizer, bitmask, stack) { - if (value === other) { - return true; - } - if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) { - return value !== value && other !== other; - } - return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack); - } - - /** - * A specialized version of `baseIsEqual` for arrays and objects which performs - * deep comparisons and tracks traversed objects enabling objects with circular - * references to be compared. - * - * @private - * @param {Object} object The object to compare. - * @param {Object} other The other object to compare. - * @param {Function} equalFunc The function to determine equivalents of values. - * @param {Function} [customizer] The function to customize comparisons. - * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual` - * for more details. - * @param {Object} [stack] Tracks traversed `object` and `other` objects. - * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. - */ - function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) { - var objIsArr = isArray(object), - othIsArr = isArray(other), - objTag = arrayTag, - othTag = arrayTag; - - if (!objIsArr) { - objTag = getTag(object); - objTag = objTag == argsTag ? objectTag : objTag; - } - if (!othIsArr) { - othTag = getTag(other); - othTag = othTag == argsTag ? objectTag : othTag; - } - var objIsObj = objTag == objectTag && !isHostObject(object), - othIsObj = othTag == objectTag && !isHostObject(other), - isSameTag = objTag == othTag; - - if (isSameTag && !objIsObj) { - stack || (stack = new Stack); - return (objIsArr || isTypedArray(object)) - ? equalArrays(object, other, equalFunc, customizer, bitmask, stack) - : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack); - } - if (!(bitmask & PARTIAL_COMPARE_FLAG)) { - var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), - othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__'); - - if (objIsWrapped || othIsWrapped) { - var objUnwrapped = objIsWrapped ? object.value() : object, - othUnwrapped = othIsWrapped ? other.value() : other; - - stack || (stack = new Stack); - return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack); - } - } - if (!isSameTag) { - return false; - } - stack || (stack = new Stack); - return equalObjects(object, other, equalFunc, customizer, bitmask, stack); - } - - /** - * The base implementation of `_.isMatch` without support for iteratee shorthands. - * - * @private - * @param {Object} object The object to inspect. - * @param {Object} source The object of property values to match. - * @param {Array} matchData The property names, values, and compare flags to match. - * @param {Function} [customizer] The function to customize comparisons. - * @returns {boolean} Returns `true` if `object` is a match, else `false`. - */ - function baseIsMatch(object, source, matchData, customizer) { - var index = matchData.length, - length = index, - noCustomizer = !customizer; - - if (object == null) { - return !length; - } - object = Object(object); - while (index--) { - var data = matchData[index]; - if ((noCustomizer && data[2]) - ? data[1] !== object[data[0]] - : !(data[0] in object) - ) { - return false; - } - } - while (++index < length) { - data = matchData[index]; - var key = data[0], - objValue = object[key], - srcValue = data[1]; - - if (noCustomizer && data[2]) { - if (objValue === undefined && !(key in object)) { - return false; - } - } else { - var stack = new Stack; - if (customizer) { - var result = customizer(objValue, srcValue, key, object, source, stack); - } - if (!(result === undefined - ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack) - : result - )) { - return false; - } - } - } - return true; - } - - /** - * The base implementation of `_.iteratee`. - * - * @private - * @param {*} [value=_.identity] The value to convert to an iteratee. - * @returns {Function} Returns the iteratee. - */ - function baseIteratee(value) { - // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9. - // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details. - if (typeof value == 'function') { - return value; - } - if (value == null) { - return identity; - } - if (typeof value == 'object') { - return isArray(value) - ? baseMatchesProperty(value[0], value[1]) - : baseMatches(value); - } - return property(value); - } - - /** - * The base implementation of `_.keys` which doesn't skip the constructor - * property of prototypes or treat sparse arrays as dense. - * - * @private - * @param {Object} object The object to query. - * @returns {Array} Returns the array of property names. - */ - function baseKeys(object) { - return nativeKeys(Object(object)); - } - - /** - * The base implementation of `_.keysIn` which doesn't skip the constructor - * property of prototypes or treat sparse arrays as dense. - * - * @private - * @param {Object} object The object to query. - * @returns {Array} Returns the array of property names. - */ - function baseKeysIn(object) { - object = object == null ? object : Object(object); - - var result = []; - for (var key in object) { - result.push(key); - } - return result; - } - - // Fallback for IE < 9 with es6-shim. - if (enumerate && !propertyIsEnumerable.call({ 'valueOf': 1 }, 'valueOf')) { - baseKeysIn = function(object) { - return iteratorToArray(enumerate(object)); - }; - } - - /** - * The base implementation of `_.lt` which doesn't coerce arguments to numbers. - * - * @private - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is less than `other`, - * else `false`. - */ - function baseLt(value, other) { - return value < other; - } - - /** - * The base implementation of `_.map` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} iteratee The function invoked per iteration. - * @returns {Array} Returns the new mapped array. - */ - function baseMap(collection, iteratee) { - var index = -1, - result = isArrayLike(collection) ? Array(collection.length) : []; - - baseEach(collection, function(value, key, collection) { - result[++index] = iteratee(value, key, collection); - }); - return result; - } - - /** - * The base implementation of `_.matches` which doesn't clone `source`. - * - * @private - * @param {Object} source The object of property values to match. - * @returns {Function} Returns the new spec function. - */ - function baseMatches(source) { - var matchData = getMatchData(source); - if (matchData.length == 1 && matchData[0][2]) { - return matchesStrictComparable(matchData[0][0], matchData[0][1]); - } - return function(object) { - return object === source || baseIsMatch(object, source, matchData); - }; - } - - /** - * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. - * - * @private - * @param {string} path The path of the property to get. - * @param {*} srcValue The value to match. - * @returns {Function} Returns the new spec function. - */ - function baseMatchesProperty(path, srcValue) { - if (isKey(path) && isStrictComparable(srcValue)) { - return matchesStrictComparable(toKey(path), srcValue); - } - return function(object) { - var objValue = get(object, path); - return (objValue === undefined && objValue === srcValue) - ? hasIn(object, path) - : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG); - }; - } - - /** - * The base implementation of `_.merge` without support for multiple sources. - * - * @private - * @param {Object} object The destination object. - * @param {Object} source The source object. - * @param {number} srcIndex The index of `source`. - * @param {Function} [customizer] The function to customize merged values. - * @param {Object} [stack] Tracks traversed source values and their merged - * counterparts. - */ - function baseMerge(object, source, srcIndex, customizer, stack) { - if (object === source) { - return; - } - if (!(isArray(source) || isTypedArray(source))) { - var props = keysIn(source); - } - arrayEach(props || source, function(srcValue, key) { - if (props) { - key = srcValue; - srcValue = source[key]; - } - if (isObject(srcValue)) { - stack || (stack = new Stack); - baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack); - } - else { - var newValue = customizer - ? customizer(object[key], srcValue, (key + ''), object, source, stack) - : undefined; - - if (newValue === undefined) { - newValue = srcValue; - } - assignMergeValue(object, key, newValue); - } - }); - } - - /** - * A specialized version of `baseMerge` for arrays and objects which performs - * deep merges and tracks traversed objects enabling objects with circular - * references to be merged. - * - * @private - * @param {Object} object The destination object. - * @param {Object} source The source object. - * @param {string} key The key of the value to merge. - * @param {number} srcIndex The index of `source`. - * @param {Function} mergeFunc The function to merge values. - * @param {Function} [customizer] The function to customize assigned values. - * @param {Object} [stack] Tracks traversed source values and their merged - * counterparts. - */ - function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { - var objValue = object[key], - srcValue = source[key], - stacked = stack.get(srcValue); - - if (stacked) { - assignMergeValue(object, key, stacked); - return; - } - var newValue = customizer - ? customizer(objValue, srcValue, (key + ''), object, source, stack) - : undefined; - - var isCommon = newValue === undefined; - - if (isCommon) { - newValue = srcValue; - if (isArray(srcValue) || isTypedArray(srcValue)) { - if (isArray(objValue)) { - newValue = objValue; - } - else if (isArrayLikeObject(objValue)) { - newValue = copyArray(objValue); - } - else { - isCommon = false; - newValue = baseClone(srcValue, true); - } - } - else if (isPlainObject(srcValue) || isArguments(srcValue)) { - if (isArguments(objValue)) { - newValue = toPlainObject(objValue); - } - else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) { - isCommon = false; - newValue = baseClone(srcValue, true); - } - else { - newValue = objValue; - } - } - else { - isCommon = false; - } - } - stack.set(srcValue, newValue); - - if (isCommon) { - // Recursively merge objects and arrays (susceptible to call stack limits). - mergeFunc(newValue, srcValue, srcIndex, customizer, stack); - } - stack['delete'](srcValue); - assignMergeValue(object, key, newValue); - } - - /** - * The base implementation of `_.nth` which doesn't coerce `n` to an integer. - * - * @private - * @param {Array} array The array to query. - * @param {number} n The index of the element to return. - * @returns {*} Returns the nth element of `array`. - */ - function baseNth(array, n) { - var length = array.length; - if (!length) { - return; - } - n += n < 0 ? length : 0; - return isIndex(n, length) ? array[n] : undefined; - } - - /** - * The base implementation of `_.orderBy` without param guards. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by. - * @param {string[]} orders The sort orders of `iteratees`. - * @returns {Array} Returns the new sorted array. - */ - function baseOrderBy(collection, iteratees, orders) { - var index = -1; - iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee())); - - var result = baseMap(collection, function(value, key, collection) { - var criteria = arrayMap(iteratees, function(iteratee) { - return iteratee(value); - }); - return { 'criteria': criteria, 'index': ++index, 'value': value }; - }); - - return baseSortBy(result, function(object, other) { - return compareMultiple(object, other, orders); - }); - } - - /** - * The base implementation of `_.pick` without support for individual - * property identifiers. - * - * @private - * @param {Object} object The source object. - * @param {string[]} props The property identifiers to pick. - * @returns {Object} Returns the new object. - */ - function basePick(object, props) { - object = Object(object); - return arrayReduce(props, function(result, key) { - if (key in object) { - result[key] = object[key]; - } - return result; - }, {}); - } - - /** - * The base implementation of `_.pickBy` without support for iteratee shorthands. - * - * @private - * @param {Object} object The source object. - * @param {Function} predicate The function invoked per property. - * @returns {Object} Returns the new object. - */ - function basePickBy(object, predicate) { - var index = -1, - props = getAllKeysIn(object), - length = props.length, - result = {}; - - while (++index < length) { - var key = props[index], - value = object[key]; - - if (predicate(value, key)) { - result[key] = value; - } - } - return result; - } - - /** - * The base implementation of `_.property` without support for deep paths. - * - * @private - * @param {string} key The key of the property to get. - * @returns {Function} Returns the new accessor function. - */ - function baseProperty(key) { - return function(object) { - return object == null ? undefined : object[key]; - }; - } - - /** - * A specialized version of `baseProperty` which supports deep paths. - * - * @private - * @param {Array|string} path The path of the property to get. - * @returns {Function} Returns the new accessor function. - */ - function basePropertyDeep(path) { - return function(object) { - return baseGet(object, path); - }; - } - - /** - * The base implementation of `_.pullAllBy` without support for iteratee - * shorthands. - * - * @private - * @param {Array} array The array to modify. - * @param {Array} values The values to remove. - * @param {Function} [iteratee] The iteratee invoked per element. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns `array`. - */ - function basePullAll(array, values, iteratee, comparator) { - var indexOf = comparator ? baseIndexOfWith : baseIndexOf, - index = -1, - length = values.length, - seen = array; - - if (iteratee) { - seen = arrayMap(array, baseUnary(iteratee)); - } - while (++index < length) { - var fromIndex = 0, - value = values[index], - computed = iteratee ? iteratee(value) : value; - - while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) { - if (seen !== array) { - splice.call(seen, fromIndex, 1); - } - splice.call(array, fromIndex, 1); - } - } - return array; - } - - /** - * The base implementation of `_.pullAt` without support for individual - * indexes or capturing the removed elements. - * - * @private - * @param {Array} array The array to modify. - * @param {number[]} indexes The indexes of elements to remove. - * @returns {Array} Returns `array`. - */ - function basePullAt(array, indexes) { - var length = array ? indexes.length : 0, - lastIndex = length - 1; - - while (length--) { - var index = indexes[length]; - if (length == lastIndex || index !== previous) { - var previous = index; - if (isIndex(index)) { - splice.call(array, index, 1); - } - else if (!isKey(index, array)) { - var path = castPath(index), - object = parent(array, path); - - if (object != null) { - delete object[toKey(last(path))]; - } - } - else { - delete array[toKey(index)]; - } - } - } - return array; - } - - /** - * The base implementation of `_.random` without support for returning - * floating-point numbers. - * - * @private - * @param {number} lower The lower bound. - * @param {number} upper The upper bound. - * @returns {number} Returns the random number. - */ - function baseRandom(lower, upper) { - return lower + nativeFloor(nativeRandom() * (upper - lower + 1)); - } - - /** - * The base implementation of `_.range` and `_.rangeRight` which doesn't - * coerce arguments to numbers. - * - * @private - * @param {number} start The start of the range. - * @param {number} end The end of the range. - * @param {number} step The value to increment or decrement by. - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Array} Returns the range of numbers. - */ - function baseRange(start, end, step, fromRight) { - var index = -1, - length = nativeMax(nativeCeil((end - start) / (step || 1)), 0), - result = Array(length); - - while (length--) { - result[fromRight ? length : ++index] = start; - start += step; - } - return result; - } - - /** - * The base implementation of `_.repeat` which doesn't coerce arguments. - * - * @private - * @param {string} string The string to repeat. - * @param {number} n The number of times to repeat the string. - * @returns {string} Returns the repeated string. - */ - function baseRepeat(string, n) { - var result = ''; - if (!string || n < 1 || n > MAX_SAFE_INTEGER) { - return result; - } - // Leverage the exponentiation by squaring algorithm for a faster repeat. - // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details. - do { - if (n % 2) { - result += string; - } - n = nativeFloor(n / 2); - if (n) { - string += string; - } - } while (n); - - return result; - } - - /** - * The base implementation of `_.set`. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} path The path of the property to set. - * @param {*} value The value to set. - * @param {Function} [customizer] The function to customize path creation. - * @returns {Object} Returns `object`. - */ - function baseSet(object, path, value, customizer) { - path = isKey(path, object) ? [path] : castPath(path); - - var index = -1, - length = path.length, - lastIndex = length - 1, - nested = object; - - while (nested != null && ++index < length) { - var key = toKey(path[index]); - if (isObject(nested)) { - var newValue = value; - if (index != lastIndex) { - var objValue = nested[key]; - newValue = customizer ? customizer(objValue, key, nested) : undefined; - if (newValue === undefined) { - newValue = objValue == null - ? (isIndex(path[index + 1]) ? [] : {}) - : objValue; - } - } - assignValue(nested, key, newValue); - } - nested = nested[key]; - } - return object; - } - - /** - * The base implementation of `setData` without support for hot loop detection. - * - * @private - * @param {Function} func The function to associate metadata with. - * @param {*} data The metadata. - * @returns {Function} Returns `func`. - */ - var baseSetData = !metaMap ? identity : function(func, data) { - metaMap.set(func, data); - return func; - }; - - /** - * The base implementation of `_.slice` without an iteratee call guard. - * - * @private - * @param {Array} array The array to slice. - * @param {number} [start=0] The start position. - * @param {number} [end=array.length] The end position. - * @returns {Array} Returns the slice of `array`. - */ - function baseSlice(array, start, end) { - var index = -1, - length = array.length; - - if (start < 0) { - start = -start > length ? 0 : (length + start); - } - end = end > length ? length : end; - if (end < 0) { - end += length; - } - length = start > end ? 0 : ((end - start) >>> 0); - start >>>= 0; - - var result = Array(length); - while (++index < length) { - result[index] = array[index + start]; - } - return result; - } - - /** - * The base implementation of `_.some` without support for iteratee shorthands. - * - * @private - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} predicate The function invoked per iteration. - * @returns {boolean} Returns `true` if any element passes the predicate check, - * else `false`. - */ - function baseSome(collection, predicate) { - var result; - - baseEach(collection, function(value, index, collection) { - result = predicate(value, index, collection); - return !result; - }); - return !!result; - } - - /** - * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which - * performs a binary search of `array` to determine the index at which `value` - * should be inserted into `array` in order to maintain its sort order. - * - * @private - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @param {boolean} [retHighest] Specify returning the highest qualified index. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - */ - function baseSortedIndex(array, value, retHighest) { - var low = 0, - high = array ? array.length : low; - - if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) { - while (low < high) { - var mid = (low + high) >>> 1, - computed = array[mid]; - - if (computed !== null && !isSymbol(computed) && - (retHighest ? (computed <= value) : (computed < value))) { - low = mid + 1; - } else { - high = mid; - } - } - return high; - } - return baseSortedIndexBy(array, value, identity, retHighest); - } - - /** - * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy` - * which invokes `iteratee` for `value` and each element of `array` to compute - * their sort ranking. The iteratee is invoked with one argument; (value). - * - * @private - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @param {Function} iteratee The iteratee invoked per element. - * @param {boolean} [retHighest] Specify returning the highest qualified index. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - */ - function baseSortedIndexBy(array, value, iteratee, retHighest) { - value = iteratee(value); - - var low = 0, - high = array ? array.length : 0, - valIsNaN = value !== value, - valIsNull = value === null, - valIsSymbol = isSymbol(value), - valIsUndefined = value === undefined; - - while (low < high) { - var mid = nativeFloor((low + high) / 2), - computed = iteratee(array[mid]), - othIsDefined = computed !== undefined, - othIsNull = computed === null, - othIsReflexive = computed === computed, - othIsSymbol = isSymbol(computed); - - if (valIsNaN) { - var setLow = retHighest || othIsReflexive; - } else if (valIsUndefined) { - setLow = othIsReflexive && (retHighest || othIsDefined); - } else if (valIsNull) { - setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull); - } else if (valIsSymbol) { - setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol); - } else if (othIsNull || othIsSymbol) { - setLow = false; - } else { - setLow = retHighest ? (computed <= value) : (computed < value); - } - if (setLow) { - low = mid + 1; - } else { - high = mid; - } - } - return nativeMin(high, MAX_ARRAY_INDEX); - } - - /** - * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without - * support for iteratee shorthands. - * - * @private - * @param {Array} array The array to inspect. - * @param {Function} [iteratee] The iteratee invoked per element. - * @returns {Array} Returns the new duplicate free array. - */ - function baseSortedUniq(array, iteratee) { - var index = -1, - length = array.length, - resIndex = 0, - result = []; - - while (++index < length) { - var value = array[index], - computed = iteratee ? iteratee(value) : value; - - if (!index || !eq(computed, seen)) { - var seen = computed; - result[resIndex++] = value === 0 ? 0 : value; - } - } - return result; - } - - /** - * The base implementation of `_.toNumber` which doesn't ensure correct - * conversions of binary, hexadecimal, or octal string values. - * - * @private - * @param {*} value The value to process. - * @returns {number} Returns the number. - */ - function baseToNumber(value) { - if (typeof value == 'number') { - return value; - } - if (isSymbol(value)) { - return NAN; - } - return +value; - } - - /** - * The base implementation of `_.toString` which doesn't convert nullish - * values to empty strings. - * - * @private - * @param {*} value The value to process. - * @returns {string} Returns the string. - */ - function baseToString(value) { - // Exit early for strings to avoid a performance hit in some environments. - if (typeof value == 'string') { - return value; - } - if (isSymbol(value)) { - return symbolToString ? symbolToString.call(value) : ''; - } - var result = (value + ''); - return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; - } - - /** - * The base implementation of `_.uniqBy` without support for iteratee shorthands. - * - * @private - * @param {Array} array The array to inspect. - * @param {Function} [iteratee] The iteratee invoked per element. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new duplicate free array. - */ - function baseUniq(array, iteratee, comparator) { - var index = -1, - includes = arrayIncludes, - length = array.length, - isCommon = true, - result = [], - seen = result; - - if (comparator) { - isCommon = false; - includes = arrayIncludesWith; - } - else if (length >= LARGE_ARRAY_SIZE) { - var set = iteratee ? null : createSet(array); - if (set) { - return setToArray(set); - } - isCommon = false; - includes = cacheHas; - seen = new SetCache; - } - else { - seen = iteratee ? [] : result; - } - outer: - while (++index < length) { - var value = array[index], - computed = iteratee ? iteratee(value) : value; - - value = (comparator || value !== 0) ? value : 0; - if (isCommon && computed === computed) { - var seenIndex = seen.length; - while (seenIndex--) { - if (seen[seenIndex] === computed) { - continue outer; - } - } - if (iteratee) { - seen.push(computed); - } - result.push(value); - } - else if (!includes(seen, computed, comparator)) { - if (seen !== result) { - seen.push(computed); - } - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.unset`. - * - * @private - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to unset. - * @returns {boolean} Returns `true` if the property is deleted, else `false`. - */ - function baseUnset(object, path) { - path = isKey(path, object) ? [path] : castPath(path); - object = parent(object, path); - - var key = toKey(last(path)); - return !(object != null && baseHas(object, key)) || delete object[key]; - } - - /** - * The base implementation of `_.update`. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} path The path of the property to update. - * @param {Function} updater The function to produce the updated value. - * @param {Function} [customizer] The function to customize path creation. - * @returns {Object} Returns `object`. - */ - function baseUpdate(object, path, updater, customizer) { - return baseSet(object, path, updater(baseGet(object, path)), customizer); - } - - /** - * The base implementation of methods like `_.dropWhile` and `_.takeWhile` - * without support for iteratee shorthands. - * - * @private - * @param {Array} array The array to query. - * @param {Function} predicate The function invoked per iteration. - * @param {boolean} [isDrop] Specify dropping elements instead of taking them. - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Array} Returns the slice of `array`. - */ - function baseWhile(array, predicate, isDrop, fromRight) { - var length = array.length, - index = fromRight ? length : -1; - - while ((fromRight ? index-- : ++index < length) && - predicate(array[index], index, array)) {} - - return isDrop - ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length)) - : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index)); - } - - /** - * The base implementation of `wrapperValue` which returns the result of - * performing a sequence of actions on the unwrapped `value`, where each - * successive action is supplied the return value of the previous. - * - * @private - * @param {*} value The unwrapped value. - * @param {Array} actions Actions to perform to resolve the unwrapped value. - * @returns {*} Returns the resolved value. - */ - function baseWrapperValue(value, actions) { - var result = value; - if (result instanceof LazyWrapper) { - result = result.value(); - } - return arrayReduce(actions, function(result, action) { - return action.func.apply(action.thisArg, arrayPush([result], action.args)); - }, result); - } - - /** - * The base implementation of methods like `_.xor`, without support for - * iteratee shorthands, that accepts an array of arrays to inspect. - * - * @private - * @param {Array} arrays The arrays to inspect. - * @param {Function} [iteratee] The iteratee invoked per element. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of values. - */ - function baseXor(arrays, iteratee, comparator) { - var index = -1, - length = arrays.length; - - while (++index < length) { - var result = result - ? arrayPush( - baseDifference(result, arrays[index], iteratee, comparator), - baseDifference(arrays[index], result, iteratee, comparator) - ) - : arrays[index]; - } - return (result && result.length) ? baseUniq(result, iteratee, comparator) : []; - } - - /** - * This base implementation of `_.zipObject` which assigns values using `assignFunc`. - * - * @private - * @param {Array} props The property identifiers. - * @param {Array} values The property values. - * @param {Function} assignFunc The function to assign values. - * @returns {Object} Returns the new object. - */ - function baseZipObject(props, values, assignFunc) { - var index = -1, - length = props.length, - valsLength = values.length, - result = {}; - - while (++index < length) { - var value = index < valsLength ? values[index] : undefined; - assignFunc(result, props[index], value); - } - return result; - } - - /** - * Casts `value` to an empty array if it's not an array like object. - * - * @private - * @param {*} value The value to inspect. - * @returns {Array|Object} Returns the cast array-like object. - */ - function castArrayLikeObject(value) { - return isArrayLikeObject(value) ? value : []; - } - - /** - * Casts `value` to `identity` if it's not a function. - * - * @private - * @param {*} value The value to inspect. - * @returns {Function} Returns cast function. - */ - function castFunction(value) { - return typeof value == 'function' ? value : identity; - } - - /** - * Casts `value` to a path array if it's not one. - * - * @private - * @param {*} value The value to inspect. - * @returns {Array} Returns the cast property path array. - */ - function castPath(value) { - return isArray(value) ? value : stringToPath(value); - } - - /** - * Casts `array` to a slice if it's needed. - * - * @private - * @param {Array} array The array to inspect. - * @param {number} start The start position. - * @param {number} [end=array.length] The end position. - * @returns {Array} Returns the cast slice. - */ - function castSlice(array, start, end) { - var length = array.length; - end = end === undefined ? length : end; - return (!start && end >= length) ? array : baseSlice(array, start, end); - } - - /** - * 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 result = new buffer.constructor(buffer.length); - buffer.copy(result); - return result; - } - - /** - * 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; - } - - /** - * 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); - } - - /** - * Creates a clone of `map`. - * - * @private - * @param {Object} map The map to clone. - * @param {Function} cloneFunc The function to clone values. - * @param {boolean} [isDeep] Specify a deep clone. - * @returns {Object} Returns the cloned map. - */ - function cloneMap(map, isDeep, cloneFunc) { - var array = isDeep ? cloneFunc(mapToArray(map), true) : mapToArray(map); - return arrayReduce(array, addMapEntry, new map.constructor); - } - - /** - * 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; - } - - /** - * Creates a clone of `set`. - * - * @private - * @param {Object} set The set to clone. - * @param {Function} cloneFunc The function to clone values. - * @param {boolean} [isDeep] Specify a deep clone. - * @returns {Object} Returns the cloned set. - */ - function cloneSet(set, isDeep, cloneFunc) { - var array = isDeep ? cloneFunc(setToArray(set), true) : setToArray(set); - return arrayReduce(array, addSetEntry, new set.constructor); - } - - /** - * 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)) : {}; - } - - /** - * 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); - } - - /** - * Compares values to sort them in ascending order. - * - * @private - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {number} Returns the sort order indicator for `value`. - */ - function compareAscending(value, other) { - if (value !== other) { - var valIsDefined = value !== undefined, - valIsNull = value === null, - valIsReflexive = value === value, - valIsSymbol = isSymbol(value); - - var othIsDefined = other !== undefined, - othIsNull = other === null, - othIsReflexive = other === other, - othIsSymbol = isSymbol(other); - - if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) || - (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) || - (valIsNull && othIsDefined && othIsReflexive) || - (!valIsDefined && othIsReflexive) || - !valIsReflexive) { - return 1; - } - if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) || - (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) || - (othIsNull && valIsDefined && valIsReflexive) || - (!othIsDefined && valIsReflexive) || - !othIsReflexive) { - return -1; - } - } - return 0; - } - - /** - * Used by `_.orderBy` to compare multiple properties of a value to another - * and stable sort them. - * - * If `orders` is unspecified, all values are sorted in ascending order. Otherwise, - * specify an order of "desc" for descending or "asc" for ascending sort order - * of corresponding values. - * - * @private - * @param {Object} object The object to compare. - * @param {Object} other The other object to compare. - * @param {boolean[]|string[]} orders The order to sort by for each property. - * @returns {number} Returns the sort order indicator for `object`. - */ - function compareMultiple(object, other, orders) { - var index = -1, - objCriteria = object.criteria, - othCriteria = other.criteria, - length = objCriteria.length, - ordersLength = orders.length; - - while (++index < length) { - var result = compareAscending(objCriteria[index], othCriteria[index]); - if (result) { - if (index >= ordersLength) { - return result; - } - var order = orders[index]; - return result * (order == 'desc' ? -1 : 1); - } - } - // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications - // that causes it, under certain circumstances, to provide the same value for - // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247 - // for more details. - // - // This also ensures a stable sort in V8 and other engines. - // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details. - return object.index - other.index; - } - - /** - * Creates an array that is the composition of partially applied arguments, - * placeholders, and provided arguments into a single array of arguments. - * - * @private - * @param {Array} args The provided arguments. - * @param {Array} partials The arguments to prepend to those provided. - * @param {Array} holders The `partials` placeholder indexes. - * @params {boolean} [isCurried] Specify composing for a curried function. - * @returns {Array} Returns the new array of composed arguments. - */ - function composeArgs(args, partials, holders, isCurried) { - var argsIndex = -1, - argsLength = args.length, - holdersLength = holders.length, - leftIndex = -1, - leftLength = partials.length, - rangeLength = nativeMax(argsLength - holdersLength, 0), - result = Array(leftLength + rangeLength), - isUncurried = !isCurried; - - while (++leftIndex < leftLength) { - result[leftIndex] = partials[leftIndex]; - } - while (++argsIndex < holdersLength) { - if (isUncurried || argsIndex < argsLength) { - result[holders[argsIndex]] = args[argsIndex]; - } - } - while (rangeLength--) { - result[leftIndex++] = args[argsIndex++]; - } - return result; - } - - /** - * This function is like `composeArgs` except that the arguments composition - * is tailored for `_.partialRight`. - * - * @private - * @param {Array} args The provided arguments. - * @param {Array} partials The arguments to append to those provided. - * @param {Array} holders The `partials` placeholder indexes. - * @params {boolean} [isCurried] Specify composing for a curried function. - * @returns {Array} Returns the new array of composed arguments. - */ - function composeArgsRight(args, partials, holders, isCurried) { - var argsIndex = -1, - argsLength = args.length, - holdersIndex = -1, - holdersLength = holders.length, - rightIndex = -1, - rightLength = partials.length, - rangeLength = nativeMax(argsLength - holdersLength, 0), - result = Array(rangeLength + rightLength), - isUncurried = !isCurried; - - while (++argsIndex < rangeLength) { - result[argsIndex] = args[argsIndex]; - } - var offset = argsIndex; - while (++rightIndex < rightLength) { - result[offset + rightIndex] = partials[rightIndex]; - } - while (++holdersIndex < holdersLength) { - if (isUncurried || argsIndex < argsLength) { - result[offset + holders[holdersIndex]] = args[argsIndex++]; - } - } - return result; - } - - /** - * 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; - } - - /** - * 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) { - 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) - : source[key]; - - assignValue(object, key, newValue); - } - return object; - } - - /** - * Copies own symbol properties 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); - } - - /** - * Creates a function like `_.groupBy`. - * - * @private - * @param {Function} setter The function to set accumulator values. - * @param {Function} [initializer] The accumulator object initializer. - * @returns {Function} Returns the new aggregator function. - */ - function createAggregator(setter, initializer) { - return function(collection, iteratee) { - var func = isArray(collection) ? arrayAggregator : baseAggregator, - accumulator = initializer ? initializer() : {}; - - return func(collection, setter, getIteratee(iteratee), accumulator); - }; - } - - /** - * Creates a function like `_.assign`. - * - * @private - * @param {Function} assigner The function to assign values. - * @returns {Function} Returns the new assigner function. - */ - function createAssigner(assigner) { - return rest(function(object, sources) { - var index = -1, - length = sources.length, - customizer = length > 1 ? sources[length - 1] : undefined, - guard = length > 2 ? sources[2] : undefined; - - customizer = (assigner.length > 3 && typeof customizer == 'function') - ? (length--, customizer) - : undefined; - - if (guard && isIterateeCall(sources[0], sources[1], guard)) { - customizer = length < 3 ? undefined : customizer; - length = 1; - } - object = Object(object); - while (++index < length) { - var source = sources[index]; - if (source) { - assigner(object, source, index, customizer); - } - } - return object; - }); - } - - /** - * Creates a `baseEach` or `baseEachRight` function. - * - * @private - * @param {Function} eachFunc The function to iterate over a collection. - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Function} Returns the new base function. - */ - function createBaseEach(eachFunc, fromRight) { - return function(collection, iteratee) { - if (collection == null) { - return collection; - } - if (!isArrayLike(collection)) { - return eachFunc(collection, iteratee); - } - var length = collection.length, - index = fromRight ? length : -1, - iterable = Object(collection); - - while ((fromRight ? index-- : ++index < length)) { - if (iteratee(iterable[index], index, iterable) === false) { - break; - } - } - return collection; - }; - } - - /** - * Creates a base function for methods like `_.forIn` and `_.forOwn`. - * - * @private - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Function} Returns the new base function. - */ - function createBaseFor(fromRight) { - return function(object, iteratee, keysFunc) { - var index = -1, - iterable = Object(object), - props = keysFunc(object), - length = props.length; - - while (length--) { - var key = props[fromRight ? length : ++index]; - if (iteratee(iterable[key], key, iterable) === false) { - break; - } - } - return object; - }; - } - - /** - * Creates a function that wraps `func` to invoke it with the optional `this` - * binding of `thisArg`. - * - * @private - * @param {Function} func The function to wrap. - * @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` - * for more details. - * @param {*} [thisArg] The `this` binding of `func`. - * @returns {Function} Returns the new wrapped function. - */ - function createBaseWrapper(func, bitmask, thisArg) { - var isBind = bitmask & BIND_FLAG, - Ctor = createCtorWrapper(func); - - function wrapper() { - var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; - return fn.apply(isBind ? thisArg : this, arguments); - } - return wrapper; - } - - /** - * Creates a function like `_.lowerFirst`. - * - * @private - * @param {string} methodName The name of the `String` case method to use. - * @returns {Function} Returns the new case function. - */ - function createCaseFirst(methodName) { - return function(string) { - string = toString(string); - - var strSymbols = reHasComplexSymbol.test(string) - ? stringToArray(string) - : undefined; - - var chr = strSymbols - ? strSymbols[0] - : string.charAt(0); - - var trailing = strSymbols - ? castSlice(strSymbols, 1).join('') - : string.slice(1); - - return chr[methodName]() + trailing; - }; - } - - /** - * Creates a function like `_.camelCase`. - * - * @private - * @param {Function} callback The function to combine each word. - * @returns {Function} Returns the new compounder function. - */ - function createCompounder(callback) { - return function(string) { - return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); - }; - } - - /** - * Creates a function that produces an instance of `Ctor` regardless of - * whether it was invoked as part of a `new` expression or by `call` or `apply`. - * - * @private - * @param {Function} Ctor The constructor to wrap. - * @returns {Function} Returns the new wrapped function. - */ - function createCtorWrapper(Ctor) { - return function() { - // Use a `switch` statement to work with class constructors. See - // http://ecma-international.org/ecma-262/6.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist - // for more details. - var args = arguments; - switch (args.length) { - case 0: return new Ctor; - case 1: return new Ctor(args[0]); - case 2: return new Ctor(args[0], args[1]); - case 3: return new Ctor(args[0], args[1], args[2]); - case 4: return new Ctor(args[0], args[1], args[2], args[3]); - case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]); - case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]); - case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]); - } - var thisBinding = baseCreate(Ctor.prototype), - result = Ctor.apply(thisBinding, args); - - // Mimic the constructor's `return` behavior. - // See https://es5.github.io/#x13.2.2 for more details. - return isObject(result) ? result : thisBinding; - }; - } - - /** - * Creates a function that wraps `func` to enable currying. - * - * @private - * @param {Function} func The function to wrap. - * @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` - * for more details. - * @param {number} arity The arity of `func`. - * @returns {Function} Returns the new wrapped function. - */ - function createCurryWrapper(func, bitmask, arity) { - var Ctor = createCtorWrapper(func); - - function wrapper() { - var length = arguments.length, - args = Array(length), - index = length, - placeholder = getHolder(wrapper); - - while (index--) { - args[index] = arguments[index]; - } - var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder) - ? [] - : replaceHolders(args, placeholder); - - length -= holders.length; - if (length < arity) { - return createRecurryWrapper( - func, bitmask, createHybridWrapper, wrapper.placeholder, undefined, - args, holders, undefined, undefined, arity - length); - } - var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; - return apply(fn, this, args); - } - return wrapper; - } - - /** - * Creates a `_.flow` or `_.flowRight` function. - * - * @private - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Function} Returns the new flow function. - */ - function createFlow(fromRight) { - return rest(function(funcs) { - funcs = baseFlatten(funcs, 1); - - var length = funcs.length, - index = length, - prereq = LodashWrapper.prototype.thru; - - if (fromRight) { - funcs.reverse(); - } - while (index--) { - var func = funcs[index]; - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - if (prereq && !wrapper && getFuncName(func) == 'wrapper') { - var wrapper = new LodashWrapper([], true); - } - } - index = wrapper ? index : length; - while (++index < length) { - func = funcs[index]; - - var funcName = getFuncName(func), - data = funcName == 'wrapper' ? getData(func) : undefined; - - if (data && isLaziable(data[0]) && - data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && - !data[4].length && data[9] == 1 - ) { - wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); - } else { - wrapper = (func.length == 1 && isLaziable(func)) - ? wrapper[funcName]() - : wrapper.thru(func); - } - } - return function() { - var args = arguments, - value = args[0]; - - if (wrapper && args.length == 1 && - isArray(value) && value.length >= LARGE_ARRAY_SIZE) { - return wrapper.plant(value).value(); - } - var index = 0, - result = length ? funcs[index].apply(this, args) : value; - - while (++index < length) { - result = funcs[index].call(this, result); - } - return result; - }; - }); - } - - /** - * Creates a function that wraps `func` to invoke it with optional `this` - * binding of `thisArg`, partial application, and currying. - * - * @private - * @param {Function|string} func The function or method name to wrap. - * @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` - * for more details. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {Array} [partials] The arguments to prepend to those provided to - * the new function. - * @param {Array} [holders] The `partials` placeholder indexes. - * @param {Array} [partialsRight] The arguments to append to those provided - * to the new function. - * @param {Array} [holdersRight] The `partialsRight` placeholder indexes. - * @param {Array} [argPos] The argument positions of the new function. - * @param {number} [ary] The arity cap of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new wrapped function. - */ - function createHybridWrapper(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) { - var isAry = bitmask & ARY_FLAG, - isBind = bitmask & BIND_FLAG, - isBindKey = bitmask & BIND_KEY_FLAG, - isCurried = bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG), - isFlip = bitmask & FLIP_FLAG, - Ctor = isBindKey ? undefined : createCtorWrapper(func); - - function wrapper() { - var length = arguments.length, - args = Array(length), - index = length; - - while (index--) { - args[index] = arguments[index]; - } - if (isCurried) { - var placeholder = getHolder(wrapper), - holdersCount = countHolders(args, placeholder); - } - if (partials) { - args = composeArgs(args, partials, holders, isCurried); - } - if (partialsRight) { - args = composeArgsRight(args, partialsRight, holdersRight, isCurried); - } - length -= holdersCount; - if (isCurried && length < arity) { - var newHolders = replaceHolders(args, placeholder); - return createRecurryWrapper( - func, bitmask, createHybridWrapper, wrapper.placeholder, thisArg, - args, newHolders, argPos, ary, arity - length - ); - } - var thisBinding = isBind ? thisArg : this, - fn = isBindKey ? thisBinding[func] : func; - - length = args.length; - if (argPos) { - args = reorder(args, argPos); - } else if (isFlip && length > 1) { - args.reverse(); - } - if (isAry && ary < length) { - args.length = ary; - } - if (this && this !== root && this instanceof wrapper) { - fn = Ctor || createCtorWrapper(fn); - } - return fn.apply(thisBinding, args); - } - return wrapper; - } - - /** - * Creates a function like `_.invertBy`. - * - * @private - * @param {Function} setter The function to set accumulator values. - * @param {Function} toIteratee The function to resolve iteratees. - * @returns {Function} Returns the new inverter function. - */ - function createInverter(setter, toIteratee) { - return function(object, iteratee) { - return baseInverter(object, setter, toIteratee(iteratee), {}); - }; - } - - /** - * Creates a function that performs a mathematical operation on two values. - * - * @private - * @param {Function} operator The function to perform the operation. - * @returns {Function} Returns the new mathematical operation function. - */ - function createMathOperation(operator) { - return function(value, other) { - var result; - if (value === undefined && other === undefined) { - return 0; - } - if (value !== undefined) { - result = value; - } - if (other !== undefined) { - if (result === undefined) { - return other; - } - if (typeof value == 'string' || typeof other == 'string') { - value = baseToString(value); - other = baseToString(other); - } else { - value = baseToNumber(value); - other = baseToNumber(other); - } - result = operator(value, other); - } - return result; - }; - } - - /** - * Creates a function like `_.over`. - * - * @private - * @param {Function} arrayFunc The function to iterate over iteratees. - * @returns {Function} Returns the new over function. - */ - function createOver(arrayFunc) { - return rest(function(iteratees) { - iteratees = (iteratees.length == 1 && isArray(iteratees[0])) - ? arrayMap(iteratees[0], baseUnary(getIteratee())) - : arrayMap(baseFlatten(iteratees, 1, isFlattenableIteratee), baseUnary(getIteratee())); - - return rest(function(args) { - var thisArg = this; - return arrayFunc(iteratees, function(iteratee) { - return apply(iteratee, thisArg, args); - }); - }); - }); - } - - /** - * Creates the padding for `string` based on `length`. The `chars` string - * is truncated if the number of characters exceeds `length`. - * - * @private - * @param {number} length The padding length. - * @param {string} [chars=' '] The string used as padding. - * @returns {string} Returns the padding for `string`. - */ - function createPadding(length, chars) { - chars = chars === undefined ? ' ' : baseToString(chars); - - var charsLength = chars.length; - if (charsLength < 2) { - return charsLength ? baseRepeat(chars, length) : chars; - } - var result = baseRepeat(chars, nativeCeil(length / stringSize(chars))); - return reHasComplexSymbol.test(chars) - ? castSlice(stringToArray(result), 0, length).join('') - : result.slice(0, length); - } - - /** - * Creates a function that wraps `func` to invoke it with the `this` binding - * of `thisArg` and `partials` prepended to the arguments it receives. - * - * @private - * @param {Function} func The function to wrap. - * @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` - * for more details. - * @param {*} thisArg The `this` binding of `func`. - * @param {Array} partials The arguments to prepend to those provided to - * the new function. - * @returns {Function} Returns the new wrapped function. - */ - function createPartialWrapper(func, bitmask, thisArg, partials) { - var isBind = bitmask & BIND_FLAG, - Ctor = createCtorWrapper(func); - - function wrapper() { - var argsIndex = -1, - argsLength = arguments.length, - leftIndex = -1, - leftLength = partials.length, - args = Array(leftLength + argsLength), - fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; - - while (++leftIndex < leftLength) { - args[leftIndex] = partials[leftIndex]; - } - while (argsLength--) { - args[leftIndex++] = arguments[++argsIndex]; - } - return apply(fn, isBind ? thisArg : this, args); - } - return wrapper; - } - - /** - * Creates a `_.range` or `_.rangeRight` function. - * - * @private - * @param {boolean} [fromRight] Specify iterating from right to left. - * @returns {Function} Returns the new range function. - */ - function createRange(fromRight) { - return function(start, end, step) { - if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { - end = step = undefined; - } - // Ensure the sign of `-0` is preserved. - start = toNumber(start); - start = start === start ? start : 0; - if (end === undefined) { - end = start; - start = 0; - } else { - end = toNumber(end) || 0; - } - step = step === undefined ? (start < end ? 1 : -1) : (toNumber(step) || 0); - return baseRange(start, end, step, fromRight); - }; - } - - /** - * Creates a function that performs a relational operation on two values. - * - * @private - * @param {Function} operator The function to perform the operation. - * @returns {Function} Returns the new relational operation function. - */ - function createRelationalOperation(operator) { - return function(value, other) { - if (!(typeof value == 'string' && typeof other == 'string')) { - value = toNumber(value); - other = toNumber(other); - } - return operator(value, other); - }; - } - - /** - * Creates a function that wraps `func` to continue currying. - * - * @private - * @param {Function} func The function to wrap. - * @param {number} bitmask The bitmask of wrapper flags. See `createWrapper` - * for more details. - * @param {Function} wrapFunc The function to create the `func` wrapper. - * @param {*} placeholder The placeholder value. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {Array} [partials] The arguments to prepend to those provided to - * the new function. - * @param {Array} [holders] The `partials` placeholder indexes. - * @param {Array} [argPos] The argument positions of the new function. - * @param {number} [ary] The arity cap of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new wrapped function. - */ - function createRecurryWrapper(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) { - var isCurry = bitmask & CURRY_FLAG, - newHolders = isCurry ? holders : undefined, - newHoldersRight = isCurry ? undefined : holders, - newPartials = isCurry ? partials : undefined, - newPartialsRight = isCurry ? undefined : partials; - - bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG); - bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG); - - if (!(bitmask & CURRY_BOUND_FLAG)) { - bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG); - } - var newData = [ - func, bitmask, thisArg, newPartials, newHolders, newPartialsRight, - newHoldersRight, argPos, ary, arity - ]; - - var result = wrapFunc.apply(undefined, newData); - if (isLaziable(func)) { - setData(result, newData); - } - result.placeholder = placeholder; - return result; - } - - /** - * Creates a function like `_.round`. - * - * @private - * @param {string} methodName The name of the `Math` method to use when rounding. - * @returns {Function} Returns the new round function. - */ - function createRound(methodName) { - var func = Math[methodName]; - return function(number, precision) { - number = toNumber(number); - precision = toInteger(precision); - if (precision) { - // Shift with exponential notation to avoid floating-point issues. - // See [MDN](https://mdn.io/round#Examples) for more details. - var pair = (toString(number) + 'e').split('e'), - value = func(pair[0] + 'e' + (+pair[1] + precision)); - - pair = (toString(value) + 'e').split('e'); - return +(pair[0] + 'e' + (+pair[1] - precision)); - } - return func(number); - }; - } - - /** - * Creates a set of `values`. - * - * @private - * @param {Array} values The values to add to the set. - * @returns {Object} Returns the new set. - */ - var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) { - return new Set(values); - }; - - /** - * Creates a `_.toPairs` or `_.toPairsIn` function. - * - * @private - * @param {Function} keysFunc The function to get the keys of a given object. - * @returns {Function} Returns the new pairs function. - */ - function createToPairs(keysFunc) { - return function(object) { - var tag = getTag(object); - if (tag == mapTag) { - return mapToArray(object); - } - if (tag == setTag) { - return setToPairs(object); - } - return baseToPairs(object, keysFunc(object)); - }; - } - - /** - * Creates a function that either curries or invokes `func` with optional - * `this` binding and partially applied arguments. - * - * @private - * @param {Function|string} func The function or method name to wrap. - * @param {number} bitmask The bitmask of wrapper flags. - * The bitmask may be composed of the following flags: - * 1 - `_.bind` - * 2 - `_.bindKey` - * 4 - `_.curry` or `_.curryRight` of a bound function - * 8 - `_.curry` - * 16 - `_.curryRight` - * 32 - `_.partial` - * 64 - `_.partialRight` - * 128 - `_.rearg` - * 256 - `_.ary` - * 512 - `_.flip` - * @param {*} [thisArg] The `this` binding of `func`. - * @param {Array} [partials] The arguments to be partially applied. - * @param {Array} [holders] The `partials` placeholder indexes. - * @param {Array} [argPos] The argument positions of the new function. - * @param {number} [ary] The arity cap of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new wrapped function. - */ - function createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) { - var isBindKey = bitmask & BIND_KEY_FLAG; - if (!isBindKey && typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - var length = partials ? partials.length : 0; - if (!length) { - bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG); - partials = holders = undefined; - } - ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0); - arity = arity === undefined ? arity : toInteger(arity); - length -= holders ? holders.length : 0; - - if (bitmask & PARTIAL_RIGHT_FLAG) { - var partialsRight = partials, - holdersRight = holders; - - partials = holders = undefined; - } - var data = isBindKey ? undefined : getData(func); - - var newData = [ - func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, - argPos, ary, arity - ]; - - if (data) { - mergeData(newData, data); - } - func = newData[0]; - bitmask = newData[1]; - thisArg = newData[2]; - partials = newData[3]; - holders = newData[4]; - arity = newData[9] = newData[9] == null - ? (isBindKey ? 0 : func.length) - : nativeMax(newData[9] - length, 0); - - if (!arity && bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG)) { - bitmask &= ~(CURRY_FLAG | CURRY_RIGHT_FLAG); - } - if (!bitmask || bitmask == BIND_FLAG) { - var result = createBaseWrapper(func, bitmask, thisArg); - } else if (bitmask == CURRY_FLAG || bitmask == CURRY_RIGHT_FLAG) { - result = createCurryWrapper(func, bitmask, arity); - } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !holders.length) { - result = createPartialWrapper(func, bitmask, thisArg, partials); - } else { - result = createHybridWrapper.apply(undefined, newData); - } - var setter = data ? baseSetData : setData; - return setter(result, newData); - } - - /** - * A specialized version of `baseIsEqualDeep` for arrays with support for - * partial deep comparisons. - * - * @private - * @param {Array} array The array to compare. - * @param {Array} other The other array to compare. - * @param {Function} equalFunc The function to determine equivalents of values. - * @param {Function} customizer The function to customize comparisons. - * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` - * for more details. - * @param {Object} stack Tracks traversed `array` and `other` objects. - * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. - */ - function equalArrays(array, other, equalFunc, customizer, bitmask, stack) { - var isPartial = bitmask & PARTIAL_COMPARE_FLAG, - arrLength = array.length, - othLength = other.length; - - if (arrLength != othLength && !(isPartial && othLength > arrLength)) { - return false; - } - // Assume cyclic values are equal. - var stacked = stack.get(array); - if (stacked) { - return stacked == other; - } - var index = -1, - result = true, - seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined; - - stack.set(array, other); - - // Ignore non-index properties. - while (++index < arrLength) { - var arrValue = array[index], - othValue = other[index]; - - if (customizer) { - var compared = isPartial - ? customizer(othValue, arrValue, index, other, array, stack) - : customizer(arrValue, othValue, index, array, other, stack); - } - if (compared !== undefined) { - if (compared) { - continue; - } - result = false; - break; - } - // Recursively compare arrays (susceptible to call stack limits). - if (seen) { - if (!arraySome(other, function(othValue, othIndex) { - if (!seen.has(othIndex) && - (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) { - return seen.add(othIndex); - } - })) { - result = false; - break; - } - } else if (!( - arrValue === othValue || - equalFunc(arrValue, othValue, customizer, bitmask, stack) - )) { - result = false; - break; - } - } - stack['delete'](array); - return result; - } - - /** - * A specialized version of `baseIsEqualDeep` for comparing objects of - * the same `toStringTag`. - * - * **Note:** This function only supports comparing values with tags of - * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. - * - * @private - * @param {Object} object The object to compare. - * @param {Object} other The other object to compare. - * @param {string} tag The `toStringTag` of the objects to compare. - * @param {Function} equalFunc The function to determine equivalents of values. - * @param {Function} customizer The function to customize comparisons. - * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` - * for more details. - * @param {Object} stack Tracks traversed `object` and `other` objects. - * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. - */ - function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) { - switch (tag) { - case dataViewTag: - if ((object.byteLength != other.byteLength) || - (object.byteOffset != other.byteOffset)) { - return false; - } - object = object.buffer; - other = other.buffer; - - case arrayBufferTag: - if ((object.byteLength != other.byteLength) || - !equalFunc(new Uint8Array(object), new Uint8Array(other))) { - return false; - } - return true; - - case boolTag: - case dateTag: - // Coerce dates and booleans to numbers, dates to milliseconds and - // booleans to `1` or `0` treating invalid dates coerced to `NaN` as - // not equal. - return +object == +other; - - case errorTag: - return object.name == other.name && object.message == other.message; - - case numberTag: - // Treat `NaN` vs. `NaN` as equal. - return (object != +object) ? other != +other : object == +other; - - case regexpTag: - case stringTag: - // Coerce regexes to strings and treat strings, primitives and objects, - // as equal. See http://www.ecma-international.org/ecma-262/6.0/#sec-regexp.prototype.tostring - // for more details. - return object == (other + ''); - - case mapTag: - var convert = mapToArray; - - case setTag: - var isPartial = bitmask & PARTIAL_COMPARE_FLAG; - convert || (convert = setToArray); - - if (object.size != other.size && !isPartial) { - return false; - } - // Assume cyclic values are equal. - var stacked = stack.get(object); - if (stacked) { - return stacked == other; - } - bitmask |= UNORDERED_COMPARE_FLAG; - stack.set(object, other); - - // Recursively compare objects (susceptible to call stack limits). - return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack); - - case symbolTag: - if (symbolValueOf) { - return symbolValueOf.call(object) == symbolValueOf.call(other); - } - } - return false; - } - - /** - * A specialized version of `baseIsEqualDeep` for objects with support for - * partial deep comparisons. - * - * @private - * @param {Object} object The object to compare. - * @param {Object} other The other object to compare. - * @param {Function} equalFunc The function to determine equivalents of values. - * @param {Function} customizer The function to customize comparisons. - * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual` - * for more details. - * @param {Object} stack Tracks traversed `object` and `other` objects. - * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. - */ - function equalObjects(object, other, equalFunc, customizer, bitmask, stack) { - var isPartial = bitmask & PARTIAL_COMPARE_FLAG, - objProps = keys(object), - objLength = objProps.length, - othProps = keys(other), - othLength = othProps.length; - - if (objLength != othLength && !isPartial) { - return false; - } - var index = objLength; - while (index--) { - var key = objProps[index]; - if (!(isPartial ? key in other : baseHas(other, key))) { - return false; - } - } - // Assume cyclic values are equal. - var stacked = stack.get(object); - if (stacked) { - return stacked == other; - } - var result = true; - stack.set(object, other); - - var skipCtor = isPartial; - while (++index < objLength) { - key = objProps[index]; - var objValue = object[key], - othValue = other[key]; - - if (customizer) { - var compared = isPartial - ? customizer(othValue, objValue, key, other, object, stack) - : customizer(objValue, othValue, key, object, other, stack); - } - // Recursively compare objects (susceptible to call stack limits). - if (!(compared === undefined - ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack)) - : compared - )) { - result = false; - break; - } - skipCtor || (skipCtor = key == 'constructor'); - } - if (result && !skipCtor) { - var objCtor = object.constructor, - othCtor = other.constructor; - - // Non `Object` object instances with different constructors are not equal. - if (objCtor != othCtor && - ('constructor' in object && 'constructor' in other) && - !(typeof objCtor == 'function' && objCtor instanceof objCtor && - typeof othCtor == 'function' && othCtor instanceof othCtor)) { - result = false; - } - } - stack['delete'](object); - return result; - } - - /** - * 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, getSymbols); - } - - /** - * 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, getSymbolsIn); - } - - /** - * Gets metadata for `func`. - * - * @private - * @param {Function} func The function to query. - * @returns {*} Returns the metadata for `func`. - */ - var getData = !metaMap ? noop : function(func) { - return metaMap.get(func); - }; - - /** - * Gets the name of `func`. - * - * @private - * @param {Function} func The function to query. - * @returns {string} Returns the function name. - */ - function getFuncName(func) { - var result = (func.name + ''), - array = realNames[result], - length = hasOwnProperty.call(realNames, result) ? array.length : 0; - - while (length--) { - var data = array[length], - otherFunc = data.func; - if (otherFunc == null || otherFunc == func) { - return data.name; - } - } - return result; - } - - /** - * Gets the argument placeholder value for `func`. - * - * @private - * @param {Function} func The function to inspect. - * @returns {*} Returns the placeholder value. - */ - function getHolder(func) { - var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func; - return object.placeholder; - } - - /** - * Gets the appropriate "iteratee" function. If `_.iteratee` is customized, - * this function returns the custom method, otherwise it returns `baseIteratee`. - * If arguments are provided, the chosen function is invoked with them and - * its result is returned. - * - * @private - * @param {*} [value] The value to convert to an iteratee. - * @param {number} [arity] The arity of the created iteratee. - * @returns {Function} Returns the chosen function or its result. - */ - function getIteratee() { - var result = lodash.iteratee || iteratee; - result = result === iteratee ? baseIteratee : result; - return arguments.length ? result(arguments[0], arguments[1]) : result; - } - - /** - * Gets the "length" property value of `object`. - * - * **Note:** This function is used to avoid a - * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects - * Safari on at least iOS 8.1-8.3 ARM64. - * - * @private - * @param {Object} object The object to query. - * @returns {*} Returns the "length" value. - */ - var getLength = baseProperty('length'); - - /** - * 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; - } - - /** - * Gets the property names, values, and compare flags of `object`. - * - * @private - * @param {Object} object The object to query. - * @returns {Array} Returns the match data of `object`. - */ - function getMatchData(object) { - var result = toPairs(object), - length = result.length; - - while (length--) { - result[length][2] = isStrictComparable(result[length][1]); - } - return result; - } - - /** - * 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 = object[key]; - return isNative(value) ? value : undefined; - } - - /** - * Gets the `[[Prototype]]` of `value`. - * - * @private - * @param {*} value The value to query. - * @returns {null|Object} Returns the `[[Prototype]]`. - */ - function getPrototype(value) { - return nativeGetPrototype(Object(value)); - } - - /** - * Creates an array of the own enumerable symbol properties of `object`. - * - * @private - * @param {Object} object The object to query. - * @returns {Array} Returns the array of symbols. - */ - function getSymbols(object) { - // Coerce `object` to an object to avoid non-object errors in V8. - // See https://bugs.chromium.org/p/v8/issues/detail?id=3443 for more details. - return getOwnPropertySymbols(Object(object)); - } - - // Fallback for IE < 11. - if (!getOwnPropertySymbols) { - getSymbols = function() { - return []; - }; - } - - /** - * Creates an array of the own and inherited enumerable symbol properties - * of `object`. - * - * @private - * @param {Object} object The object to query. - * @returns {Array} Returns the array of symbols. - */ - var getSymbolsIn = !getOwnPropertySymbols ? getSymbols : function(object) { - var result = []; - while (object) { - arrayPush(result, getSymbols(object)); - object = getPrototype(object); - } - return result; - }; - - /** - * Gets the `toStringTag` of `value`. - * - * @private - * @param {*} value The value to query. - * @returns {string} Returns the `toStringTag`. - */ - function getTag(value) { - return objectToString.call(value); - } - - // Fallback for data views, maps, sets, and weak maps in IE 11, - // for data views in Edge, and promises in Node.js. - if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) || - (Map && getTag(new Map) != mapTag) || - (Promise && getTag(Promise.resolve()) != promiseTag) || - (Set && getTag(new Set) != setTag) || - (WeakMap && getTag(new WeakMap) != weakMapTag)) { - getTag = function(value) { - var result = objectToString.call(value), - Ctor = result == objectTag ? value.constructor : undefined, - ctorString = Ctor ? toSource(Ctor) : undefined; - - if (ctorString) { - switch (ctorString) { - case dataViewCtorString: return dataViewTag; - case mapCtorString: return mapTag; - case promiseCtorString: return promiseTag; - case setCtorString: return setTag; - case weakMapCtorString: return weakMapTag; - } - } - return result; - }; - } - - /** - * Gets the view, applying any `transforms` to the `start` and `end` positions. - * - * @private - * @param {number} start The start of the view. - * @param {number} end The end of the view. - * @param {Array} transforms The transformations to apply to the view. - * @returns {Object} Returns an object containing the `start` and `end` - * positions of the view. - */ - function getView(start, end, transforms) { - var index = -1, - length = transforms.length; - - while (++index < length) { - var data = transforms[index], - size = data.size; - - switch (data.type) { - case 'drop': start += size; break; - case 'dropRight': end -= size; break; - case 'take': end = nativeMin(end, start + size); break; - case 'takeRight': start = nativeMax(start, end - size); break; - } - } - return { 'start': start, 'end': end }; - } - - /** - * Checks if `path` exists on `object`. - * - * @private - * @param {Object} object The object to query. - * @param {Array|string} path The path to check. - * @param {Function} hasFunc The function to check properties. - * @returns {boolean} Returns `true` if `path` exists, else `false`. - */ - function hasPath(object, path, hasFunc) { - path = isKey(path, object) ? [path] : castPath(path); - - var result, - index = -1, - length = path.length; - - while (++index < length) { - var key = toKey(path[index]); - if (!(result = object != null && hasFunc(object, key))) { - break; - } - object = object[key]; - } - if (result) { - return result; - } - var length = object ? object.length : 0; - return !!length && isLength(length) && isIndex(key, length) && - (isArray(object) || isString(object) || isArguments(object)); - } - - /** - * 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 = array.constructor(length); - - // Add properties assigned by `RegExp#exec`. - if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) { - result.index = array.index; - result.input = array.input; - } - return result; - } - - /** - * 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)) - : {}; - } - - /** - * Initializes an object clone based on its `toStringTag`. - * - * **Note:** This function only supports cloning values with tags of - * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. - * - * @private - * @param {Object} object The object to clone. - * @param {string} tag The `toStringTag` of the object to clone. - * @param {Function} cloneFunc The function to clone values. - * @param {boolean} [isDeep] Specify a deep clone. - * @returns {Object} Returns the initialized clone. - */ - function initCloneByTag(object, tag, cloneFunc, isDeep) { - var Ctor = object.constructor; - switch (tag) { - case arrayBufferTag: - return cloneArrayBuffer(object); - - case boolTag: - case dateTag: - return new Ctor(+object); - - case dataViewTag: - return cloneDataView(object, isDeep); - - case float32Tag: case float64Tag: - case int8Tag: case int16Tag: case int32Tag: - case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag: - return cloneTypedArray(object, isDeep); - - case mapTag: - return cloneMap(object, isDeep, cloneFunc); - - case numberTag: - case stringTag: - return new Ctor(object); - - case regexpTag: - return cloneRegExp(object); - - case setTag: - return cloneSet(object, isDeep, cloneFunc); - - case symbolTag: - return cloneSymbol(object); - } - } - - /** - * Creates an array of index keys for `object` values of arrays, - * `arguments` objects, and strings, otherwise `null` is returned. - * - * @private - * @param {Object} object The object to query. - * @returns {Array|null} Returns index keys, else `null`. - */ - function indexKeys(object) { - var length = object ? object.length : undefined; - if (isLength(length) && - (isArray(object) || isString(object) || isArguments(object))) { - return baseTimes(length, String); - } - return null; - } - - /** - * Checks if `value` is a flattenable `arguments` object or array. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. - */ - function isFlattenable(value) { - return isArray(value) || isArguments(value); - } - - /** - * Checks if `value` is a flattenable array and not a `_.matchesProperty` - * iteratee shorthand. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. - */ - function isFlattenableIteratee(value) { - return isArray(value) && !(value.length == 2 && !isFunction(value[0])); - } - - /** - * 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) { - length = length == null ? MAX_SAFE_INTEGER : length; - return !!length && - (typeof value == 'number' || reIsUint.test(value)) && - (value > -1 && value % 1 == 0 && value < length); - } - - /** - * Checks if the given arguments are from an iteratee call. - * - * @private - * @param {*} value The potential iteratee value argument. - * @param {*} index The potential iteratee index or key argument. - * @param {*} object The potential iteratee object argument. - * @returns {boolean} Returns `true` if the arguments are from an iteratee call, - * else `false`. - */ - function isIterateeCall(value, index, object) { - if (!isObject(object)) { - return false; - } - var type = typeof index; - if (type == 'number' - ? (isArrayLike(object) && isIndex(index, object.length)) - : (type == 'string' && index in object) - ) { - return eq(object[index], value); - } - return false; - } - - /** - * Checks if `value` is a property name and not a property path. - * - * @private - * @param {*} value The value to check. - * @param {Object} [object] The object to query keys on. - * @returns {boolean} Returns `true` if `value` is a property name, else `false`. - */ - function isKey(value, object) { - if (isArray(value)) { - return false; - } - var type = typeof value; - if (type == 'number' || type == 'symbol' || type == 'boolean' || - value == null || isSymbol(value)) { - return true; - } - return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || - (object != null && value in Object(object)); - } - - /** - * 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); - } - - /** - * Checks if `func` has a lazy counterpart. - * - * @private - * @param {Function} func The function to check. - * @returns {boolean} Returns `true` if `func` has a lazy counterpart, - * else `false`. - */ - function isLaziable(func) { - var funcName = getFuncName(func), - other = lodash[funcName]; - - if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) { - return false; - } - if (func === other) { - return true; - } - var data = getData(other); - return !!data && func === data[0]; - } - - /** - * Checks if `value` is likely a prototype object. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. - */ - function isPrototype(value) { - var Ctor = value && value.constructor, - proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; - - return value === proto; - } - - /** - * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` if suitable for strict - * equality comparisons, else `false`. - */ - function isStrictComparable(value) { - return value === value && !isObject(value); - } - - /** - * A specialized version of `matchesProperty` for source values suitable - * for strict equality comparisons, i.e. `===`. - * - * @private - * @param {string} key The key of the property to get. - * @param {*} srcValue The value to match. - * @returns {Function} Returns the new spec function. - */ - function matchesStrictComparable(key, srcValue) { - return function(object) { - if (object == null) { - return false; - } - return object[key] === srcValue && - (srcValue !== undefined || (key in Object(object))); - }; - } - - /** - * Merges the function metadata of `source` into `data`. - * - * Merging metadata reduces the number of wrappers used to invoke a function. - * This is possible because methods like `_.bind`, `_.curry`, and `_.partial` - * may be applied regardless of execution order. Methods like `_.ary` and - * `_.rearg` modify function arguments, making the order in which they are - * executed important, preventing the merging of metadata. However, we make - * an exception for a safe combined case where curried functions have `_.ary` - * and or `_.rearg` applied. - * - * @private - * @param {Array} data The destination metadata. - * @param {Array} source The source metadata. - * @returns {Array} Returns `data`. - */ - function mergeData(data, source) { - var bitmask = data[1], - srcBitmask = source[1], - newBitmask = bitmask | srcBitmask, - isCommon = newBitmask < (BIND_FLAG | BIND_KEY_FLAG | ARY_FLAG); - - var isCombo = - ((srcBitmask == ARY_FLAG) && (bitmask == CURRY_FLAG)) || - ((srcBitmask == ARY_FLAG) && (bitmask == REARG_FLAG) && (data[7].length <= source[8])) || - ((srcBitmask == (ARY_FLAG | REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == CURRY_FLAG)); - - // Exit early if metadata can't be merged. - if (!(isCommon || isCombo)) { - return data; - } - // Use source `thisArg` if available. - if (srcBitmask & BIND_FLAG) { - data[2] = source[2]; - // Set when currying a bound function. - newBitmask |= bitmask & BIND_FLAG ? 0 : CURRY_BOUND_FLAG; - } - // Compose partial arguments. - var value = source[3]; - if (value) { - var partials = data[3]; - data[3] = partials ? composeArgs(partials, value, source[4]) : value; - data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4]; - } - // Compose partial right arguments. - value = source[5]; - if (value) { - partials = data[5]; - data[5] = partials ? composeArgsRight(partials, value, source[6]) : value; - data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6]; - } - // Use source `argPos` if available. - value = source[7]; - if (value) { - data[7] = value; - } - // Use source `ary` if it's smaller. - if (srcBitmask & ARY_FLAG) { - data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]); - } - // Use source `arity` if one is not provided. - if (data[9] == null) { - data[9] = source[9]; - } - // Use source `func` and merge bitmasks. - data[0] = source[0]; - data[1] = newBitmask; - - return data; - } - - /** - * Used by `_.defaultsDeep` to customize its `_.merge` use. - * - * @private - * @param {*} objValue The destination value. - * @param {*} srcValue The source value. - * @param {string} key The key of the property to merge. - * @param {Object} object The parent object of `objValue`. - * @param {Object} source The parent object of `srcValue`. - * @param {Object} [stack] Tracks traversed source values and their merged - * counterparts. - * @returns {*} Returns the value to assign. - */ - function mergeDefaults(objValue, srcValue, key, object, source, stack) { - if (isObject(objValue) && isObject(srcValue)) { - baseMerge(objValue, srcValue, undefined, mergeDefaults, stack.set(srcValue, objValue)); - } - return objValue; - } - - /** - * Gets the parent value at `path` of `object`. - * - * @private - * @param {Object} object The object to query. - * @param {Array} path The path to get the parent value of. - * @returns {*} Returns the parent value. - */ - function parent(object, path) { - return path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1)); - } - - /** - * Reorder `array` according to the specified indexes where the element at - * the first index is assigned as the first element, the element at - * the second index is assigned as the second element, and so on. - * - * @private - * @param {Array} array The array to reorder. - * @param {Array} indexes The arranged array indexes. - * @returns {Array} Returns `array`. - */ - function reorder(array, indexes) { - var arrLength = array.length, - length = nativeMin(indexes.length, arrLength), - oldArray = copyArray(array); - - while (length--) { - var index = indexes[length]; - array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined; - } - return array; - } - - /** - * Sets metadata for `func`. - * - * **Note:** If this function becomes hot, i.e. is invoked a lot in a short - * period of time, it will trip its breaker and transition to an identity - * function to avoid garbage collection pauses in V8. See - * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070) - * for more details. - * - * @private - * @param {Function} func The function to associate metadata with. - * @param {*} data The metadata. - * @returns {Function} Returns `func`. - */ - var setData = (function() { - var count = 0, - lastCalled = 0; - - return function(key, value) { - var stamp = now(), - remaining = HOT_SPAN - (stamp - lastCalled); - - lastCalled = stamp; - if (remaining > 0) { - if (++count >= HOT_COUNT) { - return key; - } - } else { - count = 0; - } - return baseSetData(key, value); - }; - }()); - - /** - * Converts `string` to a property path array. - * - * @private - * @param {string} string The string to convert. - * @returns {Array} Returns the property path array. - */ - var stringToPath = memoize(function(string) { - var result = []; - toString(string).replace(rePropName, function(match, number, quote, string) { - result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match)); - }); - return result; - }); - - /** - * Converts `value` to a string key if it's not a string or symbol. - * - * @private - * @param {*} value The value to inspect. - * @returns {string|symbol} Returns the key. - */ - function toKey(value) { - if (typeof value == 'string' || isSymbol(value)) { - return value; - } - var result = (value + ''); - return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; - } - - /** - * Converts `func` to its source code. - * - * @private - * @param {Function} func The function to process. - * @returns {string} Returns the source code. - */ - function toSource(func) { - if (func != null) { - try { - return funcToString.call(func); - } catch (e) {} - try { - return (func + ''); - } catch (e) {} - } - return ''; - } - - /** - * Creates a clone of `wrapper`. - * - * @private - * @param {Object} wrapper The wrapper to clone. - * @returns {Object} Returns the cloned wrapper. - */ - function wrapperClone(wrapper) { - if (wrapper instanceof LazyWrapper) { - return wrapper.clone(); - } - var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__); - result.__actions__ = copyArray(wrapper.__actions__); - result.__index__ = wrapper.__index__; - result.__values__ = wrapper.__values__; - return result; - } - - /*------------------------------------------------------------------------*/ - - /** - * Creates an array of elements split into groups the length of `size`. - * If `array` can't be split evenly, the final chunk will be the remaining - * elements. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to process. - * @param {number} [size=1] The length of each chunk - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the new array of chunks. - * @example - * - * _.chunk(['a', 'b', 'c', 'd'], 2); - * // => [['a', 'b'], ['c', 'd']] - * - * _.chunk(['a', 'b', 'c', 'd'], 3); - * // => [['a', 'b', 'c'], ['d']] - */ - function chunk(array, size, guard) { - if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) { - size = 1; - } else { - size = nativeMax(toInteger(size), 0); - } - var length = array ? array.length : 0; - if (!length || size < 1) { - return []; - } - var index = 0, - resIndex = 0, - result = Array(nativeCeil(length / size)); - - while (index < length) { - result[resIndex++] = baseSlice(array, index, (index += size)); - } - return result; - } - - /** - * Creates an array with all falsey values removed. The values `false`, `null`, - * `0`, `""`, `undefined`, and `NaN` are falsey. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to compact. - * @returns {Array} Returns the new array of filtered values. - * @example - * - * _.compact([0, 1, false, 2, '', 3]); - * // => [1, 2, 3] - */ - function compact(array) { - var index = -1, - length = array ? array.length : 0, - resIndex = 0, - result = []; - - while (++index < length) { - var value = array[index]; - if (value) { - result[resIndex++] = value; - } - } - return result; - } - - /** - * Creates a new array concatenating `array` with any additional arrays - * and/or values. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to concatenate. - * @param {...*} [values] The values to concatenate. - * @returns {Array} Returns the new concatenated array. - * @example - * - * var array = [1]; - * var other = _.concat(array, 2, [3], [[4]]); - * - * console.log(other); - * // => [1, 2, 3, [4]] - * - * console.log(array); - * // => [1] - */ - function concat() { - var length = arguments.length, - args = Array(length ? length - 1 : 0), - array = arguments[0], - index = length; - - while (index--) { - args[index - 1] = arguments[index]; - } - return length - ? arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)) - : []; - } - - /** - * Creates an array of unique `array` values not included in the other given - * arrays using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. The order of result values is determined by the - * order they occur in the first array. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {...Array} [values] The values to exclude. - * @returns {Array} Returns the new array of filtered values. - * @see _.without, _.xor - * @example - * - * _.difference([3, 2, 1], [4, 2]); - * // => [3, 1] - */ - var difference = rest(function(array, values) { - return isArrayLikeObject(array) - ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) - : []; - }); - - /** - * This method is like `_.difference` except that it accepts `iteratee` which - * is invoked for each element of `array` and `values` to generate the criterion - * by which they're compared. Result values are chosen from the first array. - * The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {...Array} [values] The values to exclude. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns the new array of filtered values. - * @example - * - * _.differenceBy([3.1, 2.2, 1.3], [4.4, 2.5], Math.floor); - * // => [3.1, 1.3] - * - * // The `_.property` iteratee shorthand. - * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); - * // => [{ 'x': 2 }] - */ - var differenceBy = rest(function(array, values) { - var iteratee = last(values); - if (isArrayLikeObject(iteratee)) { - iteratee = undefined; - } - return isArrayLikeObject(array) - ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee)) - : []; - }); - - /** - * This method is like `_.difference` except that it accepts `comparator` - * which is invoked to compare elements of `array` to `values`. Result values - * are chosen from the first array. The comparator is invoked with two arguments: - * (arrVal, othVal). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {...Array} [values] The values to exclude. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of filtered values. - * @example - * - * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; - * - * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual); - * // => [{ 'x': 2, 'y': 1 }] - */ - var differenceWith = rest(function(array, values) { - var comparator = last(values); - if (isArrayLikeObject(comparator)) { - comparator = undefined; - } - return isArrayLikeObject(array) - ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator) - : []; - }); - - /** - * Creates a slice of `array` with `n` elements dropped from the beginning. - * - * @static - * @memberOf _ - * @since 0.5.0 - * @category Array - * @param {Array} array The array to query. - * @param {number} [n=1] The number of elements to drop. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.drop([1, 2, 3]); - * // => [2, 3] - * - * _.drop([1, 2, 3], 2); - * // => [3] - * - * _.drop([1, 2, 3], 5); - * // => [] - * - * _.drop([1, 2, 3], 0); - * // => [1, 2, 3] - */ - function drop(array, n, guard) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - n = (guard || n === undefined) ? 1 : toInteger(n); - return baseSlice(array, n < 0 ? 0 : n, length); - } - - /** - * Creates a slice of `array` with `n` elements dropped from the end. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {number} [n=1] The number of elements to drop. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.dropRight([1, 2, 3]); - * // => [1, 2] - * - * _.dropRight([1, 2, 3], 2); - * // => [1] - * - * _.dropRight([1, 2, 3], 5); - * // => [] - * - * _.dropRight([1, 2, 3], 0); - * // => [1, 2, 3] - */ - function dropRight(array, n, guard) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - n = (guard || n === undefined) ? 1 : toInteger(n); - n = length - n; - return baseSlice(array, 0, n < 0 ? 0 : n); - } - - /** - * Creates a slice of `array` excluding elements dropped from the end. - * Elements are dropped until `predicate` returns falsey. The predicate is - * invoked with three arguments: (value, index, array). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the slice of `array`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': true }, - * { 'user': 'fred', 'active': false }, - * { 'user': 'pebbles', 'active': false } - * ]; - * - * _.dropRightWhile(users, function(o) { return !o.active; }); - * // => objects for ['barney'] - * - * // The `_.matches` iteratee shorthand. - * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false }); - * // => objects for ['barney', 'fred'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.dropRightWhile(users, ['active', false]); - * // => objects for ['barney'] - * - * // The `_.property` iteratee shorthand. - * _.dropRightWhile(users, 'active'); - * // => objects for ['barney', 'fred', 'pebbles'] - */ - function dropRightWhile(array, predicate) { - return (array && array.length) - ? baseWhile(array, getIteratee(predicate, 3), true, true) - : []; - } - - /** - * Creates a slice of `array` excluding elements dropped from the beginning. - * Elements are dropped until `predicate` returns falsey. The predicate is - * invoked with three arguments: (value, index, array). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the slice of `array`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': false }, - * { 'user': 'fred', 'active': false }, - * { 'user': 'pebbles', 'active': true } - * ]; - * - * _.dropWhile(users, function(o) { return !o.active; }); - * // => objects for ['pebbles'] - * - * // The `_.matches` iteratee shorthand. - * _.dropWhile(users, { 'user': 'barney', 'active': false }); - * // => objects for ['fred', 'pebbles'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.dropWhile(users, ['active', false]); - * // => objects for ['pebbles'] - * - * // The `_.property` iteratee shorthand. - * _.dropWhile(users, 'active'); - * // => objects for ['barney', 'fred', 'pebbles'] - */ - function dropWhile(array, predicate) { - return (array && array.length) - ? baseWhile(array, getIteratee(predicate, 3), true) - : []; - } - - /** - * Fills elements of `array` with `value` from `start` up to, but not - * including, `end`. - * - * **Note:** This method mutates `array`. - * - * @static - * @memberOf _ - * @since 3.2.0 - * @category Array - * @param {Array} array The array to fill. - * @param {*} value The value to fill `array` with. - * @param {number} [start=0] The start position. - * @param {number} [end=array.length] The end position. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3]; - * - * _.fill(array, 'a'); - * console.log(array); - * // => ['a', 'a', 'a'] - * - * _.fill(Array(3), 2); - * // => [2, 2, 2] - * - * _.fill([4, 6, 8, 10], '*', 1, 3); - * // => [4, '*', '*', 10] - */ - function fill(array, value, start, end) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { - start = 0; - end = length; - } - return baseFill(array, value, start, end); - } - - /** - * This method is like `_.find` except that it returns the index of the first - * element `predicate` returns truthy for instead of the element itself. - * - * @static - * @memberOf _ - * @since 1.1.0 - * @category Array - * @param {Array} array The array to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': false }, - * { 'user': 'fred', 'active': false }, - * { 'user': 'pebbles', 'active': true } - * ]; - * - * _.findIndex(users, function(o) { return o.user == 'barney'; }); - * // => 0 - * - * // The `_.matches` iteratee shorthand. - * _.findIndex(users, { 'user': 'fred', 'active': false }); - * // => 1 - * - * // The `_.matchesProperty` iteratee shorthand. - * _.findIndex(users, ['active', false]); - * // => 0 - * - * // The `_.property` iteratee shorthand. - * _.findIndex(users, 'active'); - * // => 2 - */ - function findIndex(array, predicate) { - return (array && array.length) - ? baseFindIndex(array, getIteratee(predicate, 3)) - : -1; - } - - /** - * This method is like `_.findIndex` except that it iterates over elements - * of `collection` from right to left. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Array - * @param {Array} array The array to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': true }, - * { 'user': 'fred', 'active': false }, - * { 'user': 'pebbles', 'active': false } - * ]; - * - * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; }); - * // => 2 - * - * // The `_.matches` iteratee shorthand. - * _.findLastIndex(users, { 'user': 'barney', 'active': true }); - * // => 0 - * - * // The `_.matchesProperty` iteratee shorthand. - * _.findLastIndex(users, ['active', false]); - * // => 2 - * - * // The `_.property` iteratee shorthand. - * _.findLastIndex(users, 'active'); - * // => 0 - */ - function findLastIndex(array, predicate) { - return (array && array.length) - ? baseFindIndex(array, getIteratee(predicate, 3), true) - : -1; - } - - /** - * Flattens `array` a single level deep. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to flatten. - * @returns {Array} Returns the new flattened array. - * @example - * - * _.flatten([1, [2, [3, [4]], 5]]); - * // => [1, 2, [3, [4]], 5] - */ - function flatten(array) { - var length = array ? array.length : 0; - return length ? baseFlatten(array, 1) : []; - } - - /** - * Recursively flattens `array`. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to flatten. - * @returns {Array} Returns the new flattened array. - * @example - * - * _.flattenDeep([1, [2, [3, [4]], 5]]); - * // => [1, 2, 3, 4, 5] - */ - function flattenDeep(array) { - var length = array ? array.length : 0; - return length ? baseFlatten(array, INFINITY) : []; - } - - /** - * Recursively flatten `array` up to `depth` times. - * - * @static - * @memberOf _ - * @since 4.4.0 - * @category Array - * @param {Array} array The array to flatten. - * @param {number} [depth=1] The maximum recursion depth. - * @returns {Array} Returns the new flattened array. - * @example - * - * var array = [1, [2, [3, [4]], 5]]; - * - * _.flattenDepth(array, 1); - * // => [1, 2, [3, [4]], 5] - * - * _.flattenDepth(array, 2); - * // => [1, 2, 3, [4], 5] - */ - function flattenDepth(array, depth) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - depth = depth === undefined ? 1 : toInteger(depth); - return baseFlatten(array, depth); - } - - /** - * The inverse of `_.toPairs`; this method returns an object composed - * from key-value `pairs`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} pairs The key-value pairs. - * @returns {Object} Returns the new object. - * @example - * - * _.fromPairs([['fred', 30], ['barney', 40]]); - * // => { 'fred': 30, 'barney': 40 } - */ - function fromPairs(pairs) { - var index = -1, - length = pairs ? pairs.length : 0, - result = {}; - - while (++index < length) { - var pair = pairs[index]; - result[pair[0]] = pair[1]; - } - return result; - } - - /** - * Gets the first element of `array`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @alias first - * @category Array - * @param {Array} array The array to query. - * @returns {*} Returns the first element of `array`. - * @example - * - * _.head([1, 2, 3]); - * // => 1 - * - * _.head([]); - * // => undefined - */ - function head(array) { - return (array && array.length) ? array[0] : undefined; - } - - /** - * Gets the index at which the first occurrence of `value` is found in `array` - * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. If `fromIndex` is negative, it's used as the - * offset from the end of `array`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {number} Returns the index of the matched value, else `-1`. - * @example - * - * _.indexOf([1, 2, 1, 2], 2); - * // => 1 - * - * // Search from the `fromIndex`. - * _.indexOf([1, 2, 1, 2], 2, 2); - * // => 3 - */ - function indexOf(array, value, fromIndex) { - var length = array ? array.length : 0; - if (!length) { - return -1; - } - fromIndex = toInteger(fromIndex); - if (fromIndex < 0) { - fromIndex = nativeMax(length + fromIndex, 0); - } - return baseIndexOf(array, value, fromIndex); - } - - /** - * Gets all but the last element of `array`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to query. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.initial([1, 2, 3]); - * // => [1, 2] - */ - function initial(array) { - return dropRight(array, 1); - } - - /** - * Creates an array of unique values that are included in all given arrays - * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. The order of result values is determined by the - * order they occur in the first array. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @returns {Array} Returns the new array of intersecting values. - * @example - * - * _.intersection([2, 1], [4, 2], [1, 2]); - * // => [2] - */ - var intersection = rest(function(arrays) { - var mapped = arrayMap(arrays, castArrayLikeObject); - return (mapped.length && mapped[0] === arrays[0]) - ? baseIntersection(mapped) - : []; - }); - - /** - * This method is like `_.intersection` except that it accepts `iteratee` - * which is invoked for each element of each `arrays` to generate the criterion - * by which they're compared. Result values are chosen from the first array. - * The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns the new array of intersecting values. - * @example - * - * _.intersectionBy([2.1, 1.2], [4.3, 2.4], Math.floor); - * // => [2.1] - * - * // The `_.property` iteratee shorthand. - * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }] - */ - var intersectionBy = rest(function(arrays) { - var iteratee = last(arrays), - mapped = arrayMap(arrays, castArrayLikeObject); - - if (iteratee === last(mapped)) { - iteratee = undefined; - } else { - mapped.pop(); - } - return (mapped.length && mapped[0] === arrays[0]) - ? baseIntersection(mapped, getIteratee(iteratee)) - : []; - }); - - /** - * This method is like `_.intersection` except that it accepts `comparator` - * which is invoked to compare elements of `arrays`. Result values are chosen - * from the first array. The comparator is invoked with two arguments: - * (arrVal, othVal). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of intersecting values. - * @example - * - * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; - * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; - * - * _.intersectionWith(objects, others, _.isEqual); - * // => [{ 'x': 1, 'y': 2 }] - */ - var intersectionWith = rest(function(arrays) { - var comparator = last(arrays), - mapped = arrayMap(arrays, castArrayLikeObject); - - if (comparator === last(mapped)) { - comparator = undefined; - } else { - mapped.pop(); - } - return (mapped.length && mapped[0] === arrays[0]) - ? baseIntersection(mapped, undefined, comparator) - : []; - }); - - /** - * Converts all elements in `array` into a string separated by `separator`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to convert. - * @param {string} [separator=','] The element separator. - * @returns {string} Returns the joined string. - * @example - * - * _.join(['a', 'b', 'c'], '~'); - * // => 'a~b~c' - */ - function join(array, separator) { - return array ? nativeJoin.call(array, separator) : ''; - } - - /** - * Gets the last element of `array`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to query. - * @returns {*} Returns the last element of `array`. - * @example - * - * _.last([1, 2, 3]); - * // => 3 - */ - function last(array) { - var length = array ? array.length : 0; - return length ? array[length - 1] : undefined; - } - - /** - * This method is like `_.indexOf` except that it iterates over elements of - * `array` from right to left. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=array.length-1] The index to search from. - * @returns {number} Returns the index of the matched value, else `-1`. - * @example - * - * _.lastIndexOf([1, 2, 1, 2], 2); - * // => 3 - * - * // Search from the `fromIndex`. - * _.lastIndexOf([1, 2, 1, 2], 2, 2); - * // => 1 - */ - function lastIndexOf(array, value, fromIndex) { - var length = array ? array.length : 0; - if (!length) { - return -1; - } - var index = length; - if (fromIndex !== undefined) { - index = toInteger(fromIndex); - index = ( - index < 0 - ? nativeMax(length + index, 0) - : nativeMin(index, length - 1) - ) + 1; - } - if (value !== value) { - return indexOfNaN(array, index, true); - } - while (index--) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * Gets the element at `n` index of `array`. If `n` is negative, the nth - * element from the end is returned. - * - * @static - * @memberOf _ - * @since 4.11.0 - * @category Array - * @param {Array} array The array to query. - * @param {number} [n=0] The index of the element to return. - * @returns {*} Returns the nth element of `array`. - * @example - * - * var array = ['a', 'b', 'c', 'd']; - * - * _.nth(array, 1); - * // => 'b' - * - * _.nth(array, -2); - * // => 'c'; - */ - function nth(array, n) { - return (array && array.length) ? baseNth(array, toInteger(n)) : undefined; - } - - /** - * Removes all given values from `array` using - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. - * - * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove` - * to remove elements from an array by predicate. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Array - * @param {Array} array The array to modify. - * @param {...*} [values] The values to remove. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3, 1, 2, 3]; - * - * _.pull(array, 2, 3); - * console.log(array); - * // => [1, 1] - */ - var pull = rest(pullAll); - - /** - * This method is like `_.pull` except that it accepts an array of values to remove. - * - * **Note:** Unlike `_.difference`, this method mutates `array`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to modify. - * @param {Array} values The values to remove. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3, 1, 2, 3]; - * - * _.pullAll(array, [2, 3]); - * console.log(array); - * // => [1, 1] - */ - function pullAll(array, values) { - return (array && array.length && values && values.length) - ? basePullAll(array, values) - : array; - } - - /** - * This method is like `_.pullAll` except that it accepts `iteratee` which is - * invoked for each element of `array` and `values` to generate the criterion - * by which they're compared. The iteratee is invoked with one argument: (value). - * - * **Note:** Unlike `_.differenceBy`, this method mutates `array`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to modify. - * @param {Array} values The values to remove. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns `array`. - * @example - * - * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; - * - * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x'); - * console.log(array); - * // => [{ 'x': 2 }] - */ - function pullAllBy(array, values, iteratee) { - return (array && array.length && values && values.length) - ? basePullAll(array, values, getIteratee(iteratee)) - : array; - } - - /** - * This method is like `_.pullAll` except that it accepts `comparator` which - * is invoked to compare elements of `array` to `values`. The comparator is - * invoked with two arguments: (arrVal, othVal). - * - * **Note:** Unlike `_.differenceWith`, this method mutates `array`. - * - * @static - * @memberOf _ - * @since 4.6.0 - * @category Array - * @param {Array} array The array to modify. - * @param {Array} values The values to remove. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns `array`. - * @example - * - * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }]; - * - * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual); - * console.log(array); - * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }] - */ - function pullAllWith(array, values, comparator) { - return (array && array.length && values && values.length) - ? basePullAll(array, values, undefined, comparator) - : array; - } - - /** - * Removes elements from `array` corresponding to `indexes` and returns an - * array of removed elements. - * - * **Note:** Unlike `_.at`, this method mutates `array`. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to modify. - * @param {...(number|number[])} [indexes] The indexes of elements to remove. - * @returns {Array} Returns the new array of removed elements. - * @example - * - * var array = [5, 10, 15, 20]; - * var evens = _.pullAt(array, 1, 3); - * - * console.log(array); - * // => [5, 15] - * - * console.log(evens); - * // => [10, 20] - */ - var pullAt = rest(function(array, indexes) { - indexes = baseFlatten(indexes, 1); - - var length = array ? array.length : 0, - result = baseAt(array, indexes); - - basePullAt(array, arrayMap(indexes, function(index) { - return isIndex(index, length) ? +index : index; - }).sort(compareAscending)); - - return result; - }); - - /** - * Removes all elements from `array` that `predicate` returns truthy for - * and returns an array of the removed elements. The predicate is invoked - * with three arguments: (value, index, array). - * - * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull` - * to pull elements from an array by value. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Array - * @param {Array} array The array to modify. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new array of removed elements. - * @example - * - * var array = [1, 2, 3, 4]; - * var evens = _.remove(array, function(n) { - * return n % 2 == 0; - * }); - * - * console.log(array); - * // => [1, 3] - * - * console.log(evens); - * // => [2, 4] - */ - function remove(array, predicate) { - var result = []; - if (!(array && array.length)) { - return result; - } - var index = -1, - indexes = [], - length = array.length; - - predicate = getIteratee(predicate, 3); - while (++index < length) { - var value = array[index]; - if (predicate(value, index, array)) { - result.push(value); - indexes.push(index); - } - } - basePullAt(array, indexes); - return result; - } - - /** - * Reverses `array` so that the first element becomes the last, the second - * element becomes the second to last, and so on. - * - * **Note:** This method mutates `array` and is based on - * [`Array#reverse`](https://mdn.io/Array/reverse). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to modify. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3]; - * - * _.reverse(array); - * // => [3, 2, 1] - * - * console.log(array); - * // => [3, 2, 1] - */ - function reverse(array) { - return array ? nativeReverse.call(array) : array; - } - - /** - * Creates a slice of `array` from `start` up to, but not including, `end`. - * - * **Note:** This method is used instead of - * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are - * returned. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to slice. - * @param {number} [start=0] The start position. - * @param {number} [end=array.length] The end position. - * @returns {Array} Returns the slice of `array`. - */ - function slice(array, start, end) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - if (end && typeof end != 'number' && isIterateeCall(array, start, end)) { - start = 0; - end = length; - } - else { - start = start == null ? 0 : toInteger(start); - end = end === undefined ? length : toInteger(end); - } - return baseSlice(array, start, end); - } - - /** - * Uses a binary search to determine the lowest index at which `value` - * should be inserted into `array` in order to maintain its sort order. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * _.sortedIndex([30, 50], 40); - * // => 1 - * - * _.sortedIndex([4, 5], 4); - * // => 0 - */ - function sortedIndex(array, value) { - return baseSortedIndex(array, value); - } - - /** - * This method is like `_.sortedIndex` except that it accepts `iteratee` - * which is invoked for `value` and each element of `array` to compute their - * sort ranking. The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * var dict = { 'thirty': 30, 'forty': 40, 'fifty': 50 }; - * - * _.sortedIndexBy(['thirty', 'fifty'], 'forty', _.propertyOf(dict)); - * // => 1 - * - * // The `_.property` iteratee shorthand. - * _.sortedIndexBy([{ 'x': 4 }, { 'x': 5 }], { 'x': 4 }, 'x'); - * // => 0 - */ - function sortedIndexBy(array, value, iteratee) { - return baseSortedIndexBy(array, value, getIteratee(iteratee)); - } - - /** - * This method is like `_.indexOf` except that it performs a binary - * search on a sorted `array`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @returns {number} Returns the index of the matched value, else `-1`. - * @example - * - * _.sortedIndexOf([1, 1, 2, 2], 2); - * // => 2 - */ - function sortedIndexOf(array, value) { - var length = array ? array.length : 0; - if (length) { - var index = baseSortedIndex(array, value); - if (index < length && eq(array[index], value)) { - return index; - } - } - return -1; - } - - /** - * This method is like `_.sortedIndex` except that it returns the highest - * index at which `value` should be inserted into `array` in order to - * maintain its sort order. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * _.sortedLastIndex([4, 5], 4); - * // => 1 - */ - function sortedLastIndex(array, value) { - return baseSortedIndex(array, value, true); - } - - /** - * This method is like `_.sortedLastIndex` except that it accepts `iteratee` - * which is invoked for `value` and each element of `array` to compute their - * sort ranking. The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The sorted array to inspect. - * @param {*} value The value to evaluate. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * // The `_.property` iteratee shorthand. - * _.sortedLastIndexBy([{ 'x': 4 }, { 'x': 5 }], { 'x': 4 }, 'x'); - * // => 1 - */ - function sortedLastIndexBy(array, value, iteratee) { - return baseSortedIndexBy(array, value, getIteratee(iteratee), true); - } - - /** - * This method is like `_.lastIndexOf` except that it performs a binary - * search on a sorted `array`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @returns {number} Returns the index of the matched value, else `-1`. - * @example - * - * _.sortedLastIndexOf([1, 1, 2, 2], 2); - * // => 3 - */ - function sortedLastIndexOf(array, value) { - var length = array ? array.length : 0; - if (length) { - var index = baseSortedIndex(array, value, true) - 1; - if (eq(array[index], value)) { - return index; - } - } - return -1; - } - - /** - * This method is like `_.uniq` except that it's designed and optimized - * for sorted arrays. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @returns {Array} Returns the new duplicate free array. - * @example - * - * _.sortedUniq([1, 1, 2]); - * // => [1, 2] - */ - function sortedUniq(array) { - return (array && array.length) - ? baseSortedUniq(array) - : []; - } - - /** - * This method is like `_.uniqBy` except that it's designed and optimized - * for sorted arrays. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {Function} [iteratee] The iteratee invoked per element. - * @returns {Array} Returns the new duplicate free array. - * @example - * - * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor); - * // => [1.1, 2.3] - */ - function sortedUniqBy(array, iteratee) { - return (array && array.length) - ? baseSortedUniq(array, getIteratee(iteratee)) - : []; - } - - /** - * Gets all but the first element of `array`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to query. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.tail([1, 2, 3]); - * // => [2, 3] - */ - function tail(array) { - return drop(array, 1); - } - - /** - * Creates a slice of `array` with `n` elements taken from the beginning. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to query. - * @param {number} [n=1] The number of elements to take. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.take([1, 2, 3]); - * // => [1] - * - * _.take([1, 2, 3], 2); - * // => [1, 2] - * - * _.take([1, 2, 3], 5); - * // => [1, 2, 3] - * - * _.take([1, 2, 3], 0); - * // => [] - */ - function take(array, n, guard) { - if (!(array && array.length)) { - return []; - } - n = (guard || n === undefined) ? 1 : toInteger(n); - return baseSlice(array, 0, n < 0 ? 0 : n); - } - - /** - * Creates a slice of `array` with `n` elements taken from the end. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {number} [n=1] The number of elements to take. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the slice of `array`. - * @example - * - * _.takeRight([1, 2, 3]); - * // => [3] - * - * _.takeRight([1, 2, 3], 2); - * // => [2, 3] - * - * _.takeRight([1, 2, 3], 5); - * // => [1, 2, 3] - * - * _.takeRight([1, 2, 3], 0); - * // => [] - */ - function takeRight(array, n, guard) { - var length = array ? array.length : 0; - if (!length) { - return []; - } - n = (guard || n === undefined) ? 1 : toInteger(n); - n = length - n; - return baseSlice(array, n < 0 ? 0 : n, length); - } - - /** - * Creates a slice of `array` with elements taken from the end. Elements are - * taken until `predicate` returns falsey. The predicate is invoked with - * three arguments: (value, index, array). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the slice of `array`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': true }, - * { 'user': 'fred', 'active': false }, - * { 'user': 'pebbles', 'active': false } - * ]; - * - * _.takeRightWhile(users, function(o) { return !o.active; }); - * // => objects for ['fred', 'pebbles'] - * - * // The `_.matches` iteratee shorthand. - * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false }); - * // => objects for ['pebbles'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.takeRightWhile(users, ['active', false]); - * // => objects for ['fred', 'pebbles'] - * - * // The `_.property` iteratee shorthand. - * _.takeRightWhile(users, 'active'); - * // => [] - */ - function takeRightWhile(array, predicate) { - return (array && array.length) - ? baseWhile(array, getIteratee(predicate, 3), false, true) - : []; - } - - /** - * Creates a slice of `array` with elements taken from the beginning. Elements - * are taken until `predicate` returns falsey. The predicate is invoked with - * three arguments: (value, index, array). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Array - * @param {Array} array The array to query. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the slice of `array`. - * @example - * - * var users = [ - * { 'user': 'barney', 'active': false }, - * { 'user': 'fred', 'active': false}, - * { 'user': 'pebbles', 'active': true } - * ]; - * - * _.takeWhile(users, function(o) { return !o.active; }); - * // => objects for ['barney', 'fred'] - * - * // The `_.matches` iteratee shorthand. - * _.takeWhile(users, { 'user': 'barney', 'active': false }); - * // => objects for ['barney'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.takeWhile(users, ['active', false]); - * // => objects for ['barney', 'fred'] - * - * // The `_.property` iteratee shorthand. - * _.takeWhile(users, 'active'); - * // => [] - */ - function takeWhile(array, predicate) { - return (array && array.length) - ? baseWhile(array, getIteratee(predicate, 3)) - : []; - } - - /** - * Creates an array of unique values, in order, from all given arrays using - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @returns {Array} Returns the new array of combined values. - * @example - * - * _.union([2, 1], [4, 2], [1, 2]); - * // => [2, 1, 4] - */ - var union = rest(function(arrays) { - return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); - }); - - /** - * This method is like `_.union` except that it accepts `iteratee` which is - * invoked for each element of each `arrays` to generate the criterion by - * which uniqueness is computed. The iteratee is invoked with one argument: - * (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns the new array of combined values. - * @example - * - * _.unionBy([2.1, 1.2], [4.3, 2.4], Math.floor); - * // => [2.1, 1.2, 4.3] - * - * // The `_.property` iteratee shorthand. - * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }, { 'x': 2 }] - */ - var unionBy = rest(function(arrays) { - var iteratee = last(arrays); - if (isArrayLikeObject(iteratee)) { - iteratee = undefined; - } - return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee)); - }); - - /** - * This method is like `_.union` except that it accepts `comparator` which - * is invoked to compare elements of `arrays`. The comparator is invoked - * with two arguments: (arrVal, othVal). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of combined values. - * @example - * - * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; - * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; - * - * _.unionWith(objects, others, _.isEqual); - * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] - */ - var unionWith = rest(function(arrays) { - var comparator = last(arrays); - if (isArrayLikeObject(comparator)) { - comparator = undefined; - } - return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator); - }); - - /** - * Creates a duplicate-free version of an array, using - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons, in which only the first occurrence of each - * element is kept. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to inspect. - * @returns {Array} Returns the new duplicate free array. - * @example - * - * _.uniq([2, 1, 2]); - * // => [2, 1] - */ - function uniq(array) { - return (array && array.length) - ? baseUniq(array) - : []; - } - - /** - * This method is like `_.uniq` except that it accepts `iteratee` which is - * invoked for each element in `array` to generate the criterion by which - * uniqueness is computed. The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns the new duplicate free array. - * @example - * - * _.uniqBy([2.1, 1.2, 2.3], Math.floor); - * // => [2.1, 1.2] - * - * // The `_.property` iteratee shorthand. - * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }, { 'x': 2 }] - */ - function uniqBy(array, iteratee) { - return (array && array.length) - ? baseUniq(array, getIteratee(iteratee)) - : []; - } - - /** - * This method is like `_.uniq` except that it accepts `comparator` which - * is invoked to compare elements of `array`. The comparator is invoked with - * two arguments: (arrVal, othVal). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new duplicate free array. - * @example - * - * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }]; - * - * _.uniqWith(objects, _.isEqual); - * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }] - */ - function uniqWith(array, comparator) { - return (array && array.length) - ? baseUniq(array, undefined, comparator) - : []; - } - - /** - * This method is like `_.zip` except that it accepts an array of grouped - * elements and creates an array regrouping the elements to their pre-zip - * configuration. - * - * @static - * @memberOf _ - * @since 1.2.0 - * @category Array - * @param {Array} array The array of grouped elements to process. - * @returns {Array} Returns the new array of regrouped elements. - * @example - * - * var zipped = _.zip(['fred', 'barney'], [30, 40], [true, false]); - * // => [['fred', 30, true], ['barney', 40, false]] - * - * _.unzip(zipped); - * // => [['fred', 'barney'], [30, 40], [true, false]] - */ - function unzip(array) { - if (!(array && array.length)) { - return []; - } - var length = 0; - array = arrayFilter(array, function(group) { - if (isArrayLikeObject(group)) { - length = nativeMax(group.length, length); - return true; - } - }); - return baseTimes(length, function(index) { - return arrayMap(array, baseProperty(index)); - }); - } - - /** - * This method is like `_.unzip` except that it accepts `iteratee` to specify - * how regrouped values should be combined. The iteratee is invoked with the - * elements of each group: (...group). - * - * @static - * @memberOf _ - * @since 3.8.0 - * @category Array - * @param {Array} array The array of grouped elements to process. - * @param {Function} [iteratee=_.identity] The function to combine - * regrouped values. - * @returns {Array} Returns the new array of regrouped elements. - * @example - * - * var zipped = _.zip([1, 2], [10, 20], [100, 200]); - * // => [[1, 10, 100], [2, 20, 200]] - * - * _.unzipWith(zipped, _.add); - * // => [3, 30, 300] - */ - function unzipWith(array, iteratee) { - if (!(array && array.length)) { - return []; - } - var result = unzip(array); - if (iteratee == null) { - return result; - } - return arrayMap(result, function(group) { - return apply(iteratee, undefined, group); - }); - } - - /** - * Creates an array excluding all given values using - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * for equality comparisons. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {Array} array The array to inspect. - * @param {...*} [values] The values to exclude. - * @returns {Array} Returns the new array of filtered values. - * @see _.difference, _.xor - * @example - * - * _.without([1, 2, 1, 3], 1, 2); - * // => [3] - */ - var without = rest(function(array, values) { - return isArrayLikeObject(array) - ? baseDifference(array, values) - : []; - }); - - /** - * Creates an array of unique values that is the - * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference) - * of the given arrays. The order of result values is determined by the order - * they occur in the arrays. - * - * @static - * @memberOf _ - * @since 2.4.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @returns {Array} Returns the new array of filtered values. - * @see _.difference, _.without - * @example - * - * _.xor([2, 1], [4, 2]); - * // => [1, 4] - */ - var xor = rest(function(arrays) { - return baseXor(arrayFilter(arrays, isArrayLikeObject)); - }); - - /** - * This method is like `_.xor` except that it accepts `iteratee` which is - * invoked for each element of each `arrays` to generate the criterion by - * which by which they're compared. The iteratee is invoked with one argument: - * (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Array} Returns the new array of filtered values. - * @example - * - * _.xorBy([2.1, 1.2], [4.3, 2.4], Math.floor); - * // => [1.2, 4.3] - * - * // The `_.property` iteratee shorthand. - * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 2 }] - */ - var xorBy = rest(function(arrays) { - var iteratee = last(arrays); - if (isArrayLikeObject(iteratee)) { - iteratee = undefined; - } - return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee)); - }); - - /** - * This method is like `_.xor` except that it accepts `comparator` which is - * invoked to compare elements of `arrays`. The comparator is invoked with - * two arguments: (arrVal, othVal). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Array - * @param {...Array} [arrays] The arrays to inspect. - * @param {Function} [comparator] The comparator invoked per element. - * @returns {Array} Returns the new array of filtered values. - * @example - * - * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; - * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; - * - * _.xorWith(objects, others, _.isEqual); - * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] - */ - var xorWith = rest(function(arrays) { - var comparator = last(arrays); - if (isArrayLikeObject(comparator)) { - comparator = undefined; - } - return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator); - }); - - /** - * Creates an array of grouped elements, the first of which contains the - * first elements of the given arrays, the second of which contains the - * second elements of the given arrays, and so on. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Array - * @param {...Array} [arrays] The arrays to process. - * @returns {Array} Returns the new array of grouped elements. - * @example - * - * _.zip(['fred', 'barney'], [30, 40], [true, false]); - * // => [['fred', 30, true], ['barney', 40, false]] - */ - var zip = rest(unzip); - - /** - * This method is like `_.fromPairs` except that it accepts two arrays, - * one of property identifiers and one of corresponding values. - * - * @static - * @memberOf _ - * @since 0.4.0 - * @category Array - * @param {Array} [props=[]] The property identifiers. - * @param {Array} [values=[]] The property values. - * @returns {Object} Returns the new object. - * @example - * - * _.zipObject(['a', 'b'], [1, 2]); - * // => { 'a': 1, 'b': 2 } - */ - function zipObject(props, values) { - return baseZipObject(props || [], values || [], assignValue); - } - - /** - * This method is like `_.zipObject` except that it supports property paths. - * - * @static - * @memberOf _ - * @since 4.1.0 - * @category Array - * @param {Array} [props=[]] The property identifiers. - * @param {Array} [values=[]] The property values. - * @returns {Object} Returns the new object. - * @example - * - * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]); - * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } } - */ - function zipObjectDeep(props, values) { - return baseZipObject(props || [], values || [], baseSet); - } - - /** - * This method is like `_.zip` except that it accepts `iteratee` to specify - * how grouped values should be combined. The iteratee is invoked with the - * elements of each group: (...group). - * - * @static - * @memberOf _ - * @since 3.8.0 - * @category Array - * @param {...Array} [arrays] The arrays to process. - * @param {Function} [iteratee=_.identity] The function to combine grouped values. - * @returns {Array} Returns the new array of grouped elements. - * @example - * - * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) { - * return a + b + c; - * }); - * // => [111, 222] - */ - var zipWith = rest(function(arrays) { - var length = arrays.length, - iteratee = length > 1 ? arrays[length - 1] : undefined; - - iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined; - return unzipWith(arrays, iteratee); - }); - - /*------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` wrapper instance that wraps `value` with explicit method - * chain sequences enabled. The result of such sequences must be unwrapped - * with `_#value`. - * - * @static - * @memberOf _ - * @since 1.3.0 - * @category Seq - * @param {*} value The value to wrap. - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36 }, - * { 'user': 'fred', 'age': 40 }, - * { 'user': 'pebbles', 'age': 1 } - * ]; - * - * var youngest = _ - * .chain(users) - * .sortBy('age') - * .map(function(o) { - * return o.user + ' is ' + o.age; - * }) - * .head() - * .value(); - * // => 'pebbles is 1' - */ - function chain(value) { - var result = lodash(value); - result.__chain__ = true; - return result; - } - - /** - * This method invokes `interceptor` and returns `value`. The interceptor - * is invoked with one argument; (value). The purpose of this method is to - * "tap into" a method chain sequence in order to modify intermediate results. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Seq - * @param {*} value The value to provide to `interceptor`. - * @param {Function} interceptor The function to invoke. - * @returns {*} Returns `value`. - * @example - * - * _([1, 2, 3]) - * .tap(function(array) { - * // Mutate input array. - * array.pop(); - * }) - * .reverse() - * .value(); - * // => [2, 1] - */ - function tap(value, interceptor) { - interceptor(value); - return value; - } - - /** - * This method is like `_.tap` except that it returns the result of `interceptor`. - * The purpose of this method is to "pass thru" values replacing intermediate - * results in a method chain sequence. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Seq - * @param {*} value The value to provide to `interceptor`. - * @param {Function} interceptor The function to invoke. - * @returns {*} Returns the result of `interceptor`. - * @example - * - * _(' abc ') - * .chain() - * .trim() - * .thru(function(value) { - * return [value]; - * }) - * .value(); - * // => ['abc'] - */ - function thru(value, interceptor) { - return interceptor(value); - } - - /** - * This method is the wrapper version of `_.at`. - * - * @name at - * @memberOf _ - * @since 1.0.0 - * @category Seq - * @param {...(string|string[])} [paths] The property paths of elements to pick. - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; - * - * _(object).at(['a[0].b.c', 'a[1]']).value(); - * // => [3, 4] - * - * _(['a', 'b', 'c']).at(0, 2).value(); - * // => ['a', 'c'] - */ - var wrapperAt = rest(function(paths) { - paths = baseFlatten(paths, 1); - var length = paths.length, - start = length ? paths[0] : 0, - value = this.__wrapped__, - interceptor = function(object) { return baseAt(object, paths); }; - - if (length > 1 || this.__actions__.length || - !(value instanceof LazyWrapper) || !isIndex(start)) { - return this.thru(interceptor); - } - value = value.slice(start, +start + (length ? 1 : 0)); - value.__actions__.push({ - 'func': thru, - 'args': [interceptor], - 'thisArg': undefined - }); - return new LodashWrapper(value, this.__chain__).thru(function(array) { - if (length && !array.length) { - array.push(undefined); - } - return array; - }); - }); - - /** - * Creates a `lodash` wrapper instance with explicit method chain sequences enabled. - * - * @name chain - * @memberOf _ - * @since 0.1.0 - * @category Seq - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36 }, - * { 'user': 'fred', 'age': 40 } - * ]; - * - * // A sequence without explicit chaining. - * _(users).head(); - * // => { 'user': 'barney', 'age': 36 } - * - * // A sequence with explicit chaining. - * _(users) - * .chain() - * .head() - * .pick('user') - * .value(); - * // => { 'user': 'barney' } - */ - function wrapperChain() { - return chain(this); - } - - /** - * Executes the chain sequence and returns the wrapped result. - * - * @name commit - * @memberOf _ - * @since 3.2.0 - * @category Seq - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * var array = [1, 2]; - * var wrapped = _(array).push(3); - * - * console.log(array); - * // => [1, 2] - * - * wrapped = wrapped.commit(); - * console.log(array); - * // => [1, 2, 3] - * - * wrapped.last(); - * // => 3 - * - * console.log(array); - * // => [1, 2, 3] - */ - function wrapperCommit() { - return new LodashWrapper(this.value(), this.__chain__); - } - - /** - * Gets the next value on a wrapped object following the - * [iterator protocol](https://mdn.io/iteration_protocols#iterator). - * - * @name next - * @memberOf _ - * @since 4.0.0 - * @category Seq - * @returns {Object} Returns the next iterator value. - * @example - * - * var wrapped = _([1, 2]); - * - * wrapped.next(); - * // => { 'done': false, 'value': 1 } - * - * wrapped.next(); - * // => { 'done': false, 'value': 2 } - * - * wrapped.next(); - * // => { 'done': true, 'value': undefined } - */ - function wrapperNext() { - if (this.__values__ === undefined) { - this.__values__ = toArray(this.value()); - } - var done = this.__index__ >= this.__values__.length, - value = done ? undefined : this.__values__[this.__index__++]; - - return { 'done': done, 'value': value }; - } - - /** - * Enables the wrapper to be iterable. - * - * @name Symbol.iterator - * @memberOf _ - * @since 4.0.0 - * @category Seq - * @returns {Object} Returns the wrapper object. - * @example - * - * var wrapped = _([1, 2]); - * - * wrapped[Symbol.iterator]() === wrapped; - * // => true - * - * Array.from(wrapped); - * // => [1, 2] - */ - function wrapperToIterator() { - return this; - } - - /** - * Creates a clone of the chain sequence planting `value` as the wrapped value. - * - * @name plant - * @memberOf _ - * @since 3.2.0 - * @category Seq - * @param {*} value The value to plant. - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * function square(n) { - * return n * n; - * } - * - * var wrapped = _([1, 2]).map(square); - * var other = wrapped.plant([3, 4]); - * - * other.value(); - * // => [9, 16] - * - * wrapped.value(); - * // => [1, 4] - */ - function wrapperPlant(value) { - var result, - parent = this; - - while (parent instanceof baseLodash) { - var clone = wrapperClone(parent); - clone.__index__ = 0; - clone.__values__ = undefined; - if (result) { - previous.__wrapped__ = clone; - } else { - result = clone; - } - var previous = clone; - parent = parent.__wrapped__; - } - previous.__wrapped__ = value; - return result; - } - - /** - * This method is the wrapper version of `_.reverse`. - * - * **Note:** This method mutates the wrapped array. - * - * @name reverse - * @memberOf _ - * @since 0.1.0 - * @category Seq - * @returns {Object} Returns the new `lodash` wrapper instance. - * @example - * - * var array = [1, 2, 3]; - * - * _(array).reverse().value() - * // => [3, 2, 1] - * - * console.log(array); - * // => [3, 2, 1] - */ - function wrapperReverse() { - var value = this.__wrapped__; - if (value instanceof LazyWrapper) { - var wrapped = value; - if (this.__actions__.length) { - wrapped = new LazyWrapper(this); - } - wrapped = wrapped.reverse(); - wrapped.__actions__.push({ - 'func': thru, - 'args': [reverse], - 'thisArg': undefined - }); - return new LodashWrapper(wrapped, this.__chain__); - } - return this.thru(reverse); - } - - /** - * Executes the chain sequence to resolve the unwrapped value. - * - * @name value - * @memberOf _ - * @since 0.1.0 - * @alias toJSON, valueOf - * @category Seq - * @returns {*} Returns the resolved unwrapped value. - * @example - * - * _([1, 2, 3]).value(); - * // => [1, 2, 3] - */ - function wrapperValue() { - return baseWrapperValue(this.__wrapped__, this.__actions__); - } - - /*------------------------------------------------------------------------*/ - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` thru `iteratee`. The corresponding value of - * each key is the number of times the key was returned by `iteratee`. The - * iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 0.5.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee to transform keys. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.countBy([6.1, 4.2, 6.3], Math.floor); - * // => { '4': 1, '6': 2 } - * - * _.countBy(['one', 'two', 'three'], 'length'); - * // => { '3': 2, '5': 1 } - */ - var countBy = createAggregator(function(result, value, key) { - hasOwnProperty.call(result, key) ? ++result[key] : (result[key] = 1); - }); - - /** - * Checks if `predicate` returns truthy for **all** elements of `collection`. - * Iteration is stopped once `predicate` returns falsey. The predicate is - * invoked with three arguments: (value, index|key, collection). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {boolean} Returns `true` if all elements pass the predicate check, - * else `false`. - * @example - * - * _.every([true, 1, null, 'yes'], Boolean); - * // => false - * - * var users = [ - * { 'user': 'barney', 'age': 36, 'active': false }, - * { 'user': 'fred', 'age': 40, 'active': false } - * ]; - * - * // The `_.matches` iteratee shorthand. - * _.every(users, { 'user': 'barney', 'active': false }); - * // => false - * - * // The `_.matchesProperty` iteratee shorthand. - * _.every(users, ['active', false]); - * // => true - * - * // The `_.property` iteratee shorthand. - * _.every(users, 'active'); - * // => false - */ - function every(collection, predicate, guard) { - var func = isArray(collection) ? arrayEvery : baseEvery; - if (guard && isIterateeCall(collection, predicate, guard)) { - predicate = undefined; - } - return func(collection, getIteratee(predicate, 3)); - } - - /** - * Iterates over elements of `collection`, returning an array of all elements - * `predicate` returns truthy for. The predicate is invoked with three - * arguments: (value, index|key, collection). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new filtered array. - * @see _.reject - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36, 'active': true }, - * { 'user': 'fred', 'age': 40, 'active': false } - * ]; - * - * _.filter(users, function(o) { return !o.active; }); - * // => objects for ['fred'] - * - * // The `_.matches` iteratee shorthand. - * _.filter(users, { 'age': 36, 'active': true }); - * // => objects for ['barney'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.filter(users, ['active', false]); - * // => objects for ['fred'] - * - * // The `_.property` iteratee shorthand. - * _.filter(users, 'active'); - * // => objects for ['barney'] - */ - function filter(collection, predicate) { - var func = isArray(collection) ? arrayFilter : baseFilter; - return func(collection, getIteratee(predicate, 3)); - } - - /** - * Iterates over elements of `collection`, returning the first element - * `predicate` returns truthy for. The predicate is invoked with three - * arguments: (value, index|key, collection). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {*} Returns the matched element, else `undefined`. - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36, 'active': true }, - * { 'user': 'fred', 'age': 40, 'active': false }, - * { 'user': 'pebbles', 'age': 1, 'active': true } - * ]; - * - * _.find(users, function(o) { return o.age < 40; }); - * // => object for 'barney' - * - * // The `_.matches` iteratee shorthand. - * _.find(users, { 'age': 1, 'active': true }); - * // => object for 'pebbles' - * - * // The `_.matchesProperty` iteratee shorthand. - * _.find(users, ['active', false]); - * // => object for 'fred' - * - * // The `_.property` iteratee shorthand. - * _.find(users, 'active'); - * // => object for 'barney' - */ - function find(collection, predicate) { - predicate = getIteratee(predicate, 3); - if (isArray(collection)) { - var index = baseFindIndex(collection, predicate); - return index > -1 ? collection[index] : undefined; - } - return baseFind(collection, predicate, baseEach); - } - - /** - * This method is like `_.find` except that it iterates over elements of - * `collection` from right to left. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Collection - * @param {Array|Object} collection The collection to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {*} Returns the matched element, else `undefined`. - * @example - * - * _.findLast([1, 2, 3, 4], function(n) { - * return n % 2 == 1; - * }); - * // => 3 - */ - function findLast(collection, predicate) { - predicate = getIteratee(predicate, 3); - if (isArray(collection)) { - var index = baseFindIndex(collection, predicate, true); - return index > -1 ? collection[index] : undefined; - } - return baseFind(collection, predicate, baseEachRight); - } - - /** - * Creates a flattened array of values by running each element in `collection` - * thru `iteratee` and flattening the mapped results. The iteratee is invoked - * with three arguments: (value, index|key, collection). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new flattened array. - * @example - * - * function duplicate(n) { - * return [n, n]; - * } - * - * _.flatMap([1, 2], duplicate); - * // => [1, 1, 2, 2] - */ - function flatMap(collection, iteratee) { - return baseFlatten(map(collection, iteratee), 1); - } - - /** - * This method is like `_.flatMap` except that it recursively flattens the - * mapped results. - * - * @static - * @memberOf _ - * @since 4.7.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new flattened array. - * @example - * - * function duplicate(n) { - * return [[[n, n]]]; - * } - * - * _.flatMapDeep([1, 2], duplicate); - * // => [1, 1, 2, 2] - */ - function flatMapDeep(collection, iteratee) { - return baseFlatten(map(collection, iteratee), INFINITY); - } - - /** - * This method is like `_.flatMap` except that it recursively flattens the - * mapped results up to `depth` times. - * - * @static - * @memberOf _ - * @since 4.7.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @param {number} [depth=1] The maximum recursion depth. - * @returns {Array} Returns the new flattened array. - * @example - * - * function duplicate(n) { - * return [[[n, n]]]; - * } - * - * _.flatMapDepth([1, 2], duplicate, 2); - * // => [[1, 1], [2, 2]] - */ - function flatMapDepth(collection, iteratee, depth) { - depth = depth === undefined ? 1 : toInteger(depth); - return baseFlatten(map(collection, iteratee), depth); - } - - /** - * Iterates over elements of `collection` and invokes `iteratee` for each element. - * The iteratee is invoked with three arguments: (value, index|key, collection). - * Iteratee functions may exit iteration early by explicitly returning `false`. - * - * **Note:** As with other "Collections" methods, objects with a "length" - * property are iterated like arrays. To avoid this behavior use `_.forIn` - * or `_.forOwn` for object iteration. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @alias each - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Array|Object} Returns `collection`. - * @see _.forEachRight - * @example - * - * _([1, 2]).forEach(function(value) { - * console.log(value); - * }); - * // => Logs `1` then `2`. - * - * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) { - * console.log(key); - * }); - * // => Logs 'a' then 'b' (iteration order is not guaranteed). - */ - function forEach(collection, iteratee) { - var func = isArray(collection) ? arrayEach : baseEach; - return func(collection, getIteratee(iteratee, 3)); - } - - /** - * This method is like `_.forEach` except that it iterates over elements of - * `collection` from right to left. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @alias eachRight - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Array|Object} Returns `collection`. - * @see _.forEach - * @example - * - * _.forEachRight([1, 2], function(value) { - * console.log(value); - * }); - * // => Logs `2` then `1`. - */ - function forEachRight(collection, iteratee) { - var func = isArray(collection) ? arrayEachRight : baseEachRight; - return func(collection, getIteratee(iteratee, 3)); - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` thru `iteratee`. The order of grouped values - * is determined by the order they occur in `collection`. The corresponding - * value of each key is an array of elements responsible for generating the - * key. The iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee to transform keys. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.groupBy([6.1, 4.2, 6.3], Math.floor); - * // => { '4': [4.2], '6': [6.1, 6.3] } - * - * // The `_.property` iteratee shorthand. - * _.groupBy(['one', 'two', 'three'], 'length'); - * // => { '3': ['one', 'two'], '5': ['three'] } - */ - var groupBy = createAggregator(function(result, value, key) { - if (hasOwnProperty.call(result, key)) { - result[key].push(value); - } else { - result[key] = [value]; - } - }); - - /** - * Checks if `value` is in `collection`. If `collection` is a string, it's - * checked for a substring of `value`, otherwise - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero) - * is used for equality comparisons. If `fromIndex` is negative, it's used as - * the offset from the end of `collection`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object|string} collection The collection to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=0] The index to search from. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. - * @returns {boolean} Returns `true` if `value` is found, else `false`. - * @example - * - * _.includes([1, 2, 3], 1); - * // => true - * - * _.includes([1, 2, 3], 1, 2); - * // => false - * - * _.includes({ 'user': 'fred', 'age': 40 }, 'fred'); - * // => true - * - * _.includes('pebbles', 'eb'); - * // => true - */ - function includes(collection, value, fromIndex, guard) { - collection = isArrayLike(collection) ? collection : values(collection); - fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0; - - var length = collection.length; - if (fromIndex < 0) { - fromIndex = nativeMax(length + fromIndex, 0); - } - return isString(collection) - ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1) - : (!!length && baseIndexOf(collection, value, fromIndex) > -1); - } - - /** - * Invokes the method at `path` of each element in `collection`, returning - * an array of the results of each invoked method. Any additional arguments - * are provided to each invoked method. If `methodName` is a function, it's - * invoked for and `this` bound to, each element in `collection`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|string} path The path of the method to invoke or - * the function invoked per iteration. - * @param {...*} [args] The arguments to invoke each method with. - * @returns {Array} Returns the array of results. - * @example - * - * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort'); - * // => [[1, 5, 7], [1, 2, 3]] - * - * _.invokeMap([123, 456], String.prototype.split, ''); - * // => [['1', '2', '3'], ['4', '5', '6']] - */ - var invokeMap = rest(function(collection, path, args) { - var index = -1, - isFunc = typeof path == 'function', - isProp = isKey(path), - result = isArrayLike(collection) ? Array(collection.length) : []; - - baseEach(collection, function(value) { - var func = isFunc ? path : ((isProp && value != null) ? value[path] : undefined); - result[++index] = func ? apply(func, value, args) : baseInvoke(value, path, args); - }); - return result; - }); - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` thru `iteratee`. The corresponding value of - * each key is the last element responsible for generating the key. The - * iteratee is invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee to transform keys. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * var array = [ - * { 'dir': 'left', 'code': 97 }, - * { 'dir': 'right', 'code': 100 } - * ]; - * - * _.keyBy(array, function(o) { - * return String.fromCharCode(o.code); - * }); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - * - * _.keyBy(array, 'dir'); - * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } - */ - var keyBy = createAggregator(function(result, value, key) { - result[key] = value; - }); - - /** - * Creates an array of values by running each element in `collection` thru - * `iteratee`. The iteratee is invoked with three arguments: - * (value, index|key, collection). - * - * Many lodash methods are guarded to work as iteratees for methods like - * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`. - * - * The guarded methods are: - * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`, - * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`, - * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`, - * `template`, `trim`, `trimEnd`, `trimStart`, and `words` - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new mapped array. - * @example - * - * function square(n) { - * return n * n; - * } - * - * _.map([4, 8], square); - * // => [16, 64] - * - * _.map({ 'a': 4, 'b': 8 }, square); - * // => [16, 64] (iteration order is not guaranteed) - * - * var users = [ - * { 'user': 'barney' }, - * { 'user': 'fred' } - * ]; - * - * // The `_.property` iteratee shorthand. - * _.map(users, 'user'); - * // => ['barney', 'fred'] - */ - function map(collection, iteratee) { - var func = isArray(collection) ? arrayMap : baseMap; - return func(collection, getIteratee(iteratee, 3)); - } - - /** - * This method is like `_.sortBy` except that it allows specifying the sort - * orders of the iteratees to sort by. If `orders` is unspecified, all values - * are sorted in ascending order. Otherwise, specify an order of "desc" for - * descending or "asc" for ascending sort order of corresponding values. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]] - * The iteratees to sort by. - * @param {string[]} [orders] The sort orders of `iteratees`. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. - * @returns {Array} Returns the new sorted array. - * @example - * - * var users = [ - * { 'user': 'fred', 'age': 48 }, - * { 'user': 'barney', 'age': 34 }, - * { 'user': 'fred', 'age': 40 }, - * { 'user': 'barney', 'age': 36 } - * ]; - * - * // Sort by `user` in ascending order and by `age` in descending order. - * _.orderBy(users, ['user', 'age'], ['asc', 'desc']); - * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] - */ - function orderBy(collection, iteratees, orders, guard) { - if (collection == null) { - return []; - } - if (!isArray(iteratees)) { - iteratees = iteratees == null ? [] : [iteratees]; - } - orders = guard ? undefined : orders; - if (!isArray(orders)) { - orders = orders == null ? [] : [orders]; - } - return baseOrderBy(collection, iteratees, orders); - } - - /** - * Creates an array of elements split into two groups, the first of which - * contains elements `predicate` returns truthy for, the second of which - * contains elements `predicate` returns falsey for. The predicate is - * invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the array of grouped elements. - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36, 'active': false }, - * { 'user': 'fred', 'age': 40, 'active': true }, - * { 'user': 'pebbles', 'age': 1, 'active': false } - * ]; - * - * _.partition(users, function(o) { return o.active; }); - * // => objects for [['fred'], ['barney', 'pebbles']] - * - * // The `_.matches` iteratee shorthand. - * _.partition(users, { 'age': 1, 'active': false }); - * // => objects for [['pebbles'], ['barney', 'fred']] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.partition(users, ['active', false]); - * // => objects for [['barney', 'pebbles'], ['fred']] - * - * // The `_.property` iteratee shorthand. - * _.partition(users, 'active'); - * // => objects for [['fred'], ['barney', 'pebbles']] - */ - var partition = createAggregator(function(result, value, key) { - result[key ? 0 : 1].push(value); - }, function() { return [[], []]; }); - - /** - * Reduces `collection` to a value which is the accumulated result of running - * each element in `collection` thru `iteratee`, where each successive - * invocation is supplied the return value of the previous. If `accumulator` - * is not given, the first element of `collection` is used as the initial - * value. The iteratee is invoked with four arguments: - * (accumulator, value, index|key, collection). - * - * Many lodash methods are guarded to work as iteratees for methods like - * `_.reduce`, `_.reduceRight`, and `_.transform`. - * - * The guarded methods are: - * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`, - * and `sortBy` - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @param {*} [accumulator] The initial value. - * @returns {*} Returns the accumulated value. - * @see _.reduceRight - * @example - * - * _.reduce([1, 2], function(sum, n) { - * return sum + n; - * }, 0); - * // => 3 - * - * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { - * (result[value] || (result[value] = [])).push(key); - * return result; - * }, {}); - * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed) - */ - function reduce(collection, iteratee, accumulator) { - var func = isArray(collection) ? arrayReduce : baseReduce, - initAccum = arguments.length < 3; - - return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach); - } - - /** - * This method is like `_.reduce` except that it iterates over elements of - * `collection` from right to left. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @param {*} [accumulator] The initial value. - * @returns {*} Returns the accumulated value. - * @see _.reduce - * @example - * - * var array = [[0, 1], [2, 3], [4, 5]]; - * - * _.reduceRight(array, function(flattened, other) { - * return flattened.concat(other); - * }, []); - * // => [4, 5, 2, 3, 0, 1] - */ - function reduceRight(collection, iteratee, accumulator) { - var func = isArray(collection) ? arrayReduceRight : baseReduce, - initAccum = arguments.length < 3; - - return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight); - } - - /** - * The opposite of `_.filter`; this method returns the elements of `collection` - * that `predicate` does **not** return truthy for. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {Array} Returns the new filtered array. - * @see _.filter - * @example - * - * var users = [ - * { 'user': 'barney', 'age': 36, 'active': false }, - * { 'user': 'fred', 'age': 40, 'active': true } - * ]; - * - * _.reject(users, function(o) { return !o.active; }); - * // => objects for ['fred'] - * - * // The `_.matches` iteratee shorthand. - * _.reject(users, { 'age': 40, 'active': true }); - * // => objects for ['barney'] - * - * // The `_.matchesProperty` iteratee shorthand. - * _.reject(users, ['active', false]); - * // => objects for ['fred'] - * - * // The `_.property` iteratee shorthand. - * _.reject(users, 'active'); - * // => objects for ['barney'] - */ - function reject(collection, predicate) { - var func = isArray(collection) ? arrayFilter : baseFilter; - predicate = getIteratee(predicate, 3); - return func(collection, function(value, index, collection) { - return !predicate(value, index, collection); - }); - } - - /** - * Gets a random element from `collection`. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Collection - * @param {Array|Object} collection The collection to sample. - * @returns {*} Returns the random element. - * @example - * - * _.sample([1, 2, 3, 4]); - * // => 2 - */ - function sample(collection) { - var array = isArrayLike(collection) ? collection : values(collection), - length = array.length; - - return length > 0 ? array[baseRandom(0, length - 1)] : undefined; - } - - /** - * Gets `n` random elements at unique keys from `collection` up to the - * size of `collection`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Collection - * @param {Array|Object} collection The collection to sample. - * @param {number} [n=1] The number of elements to sample. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Array} Returns the random elements. - * @example - * - * _.sampleSize([1, 2, 3], 2); - * // => [3, 1] - * - * _.sampleSize([1, 2, 3], 4); - * // => [2, 3, 1] - */ - function sampleSize(collection, n, guard) { - var index = -1, - result = toArray(collection), - length = result.length, - lastIndex = length - 1; - - if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) { - n = 1; - } else { - n = baseClamp(toInteger(n), 0, length); - } - while (++index < n) { - var rand = baseRandom(index, lastIndex), - value = result[rand]; - - result[rand] = result[index]; - result[index] = value; - } - result.length = n; - return result; - } - - /** - * Creates an array of shuffled values, using a version of the - * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to shuffle. - * @returns {Array} Returns the new shuffled array. - * @example - * - * _.shuffle([1, 2, 3, 4]); - * // => [4, 1, 3, 2] - */ - function shuffle(collection) { - return sampleSize(collection, MAX_ARRAY_LENGTH); - } - - /** - * Gets the size of `collection` by returning its length for array-like - * values or the number of own enumerable string keyed properties for objects. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to inspect. - * @returns {number} Returns the collection size. - * @example - * - * _.size([1, 2, 3]); - * // => 3 - * - * _.size({ 'a': 1, 'b': 2 }); - * // => 2 - * - * _.size('pebbles'); - * // => 7 - */ - function size(collection) { - if (collection == null) { - return 0; - } - if (isArrayLike(collection)) { - var result = collection.length; - return (result && isString(collection)) ? stringSize(collection) : result; - } - if (isObjectLike(collection)) { - var tag = getTag(collection); - if (tag == mapTag || tag == setTag) { - return collection.size; - } - } - return keys(collection).length; - } - - /** - * Checks if `predicate` returns truthy for **any** element of `collection`. - * Iteration is stopped once `predicate` returns truthy. The predicate is - * invoked with three arguments: (value, index|key, collection). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {boolean} Returns `true` if any element passes the predicate check, - * else `false`. - * @example - * - * _.some([null, 0, 'yes', false], Boolean); - * // => true - * - * var users = [ - * { 'user': 'barney', 'active': true }, - * { 'user': 'fred', 'active': false } - * ]; - * - * // The `_.matches` iteratee shorthand. - * _.some(users, { 'user': 'barney', 'active': false }); - * // => false - * - * // The `_.matchesProperty` iteratee shorthand. - * _.some(users, ['active', false]); - * // => true - * - * // The `_.property` iteratee shorthand. - * _.some(users, 'active'); - * // => true - */ - function some(collection, predicate, guard) { - var func = isArray(collection) ? arraySome : baseSome; - if (guard && isIterateeCall(collection, predicate, guard)) { - predicate = undefined; - } - return func(collection, getIteratee(predicate, 3)); - } - - /** - * Creates an array of elements, sorted in ascending order by the results of - * running each element in a collection thru each iteratee. This method - * performs a stable sort, that is, it preserves the original sort order of - * equal elements. The iteratees are invoked with one argument: (value). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Collection - * @param {Array|Object} collection The collection to iterate over. - * @param {...(Array|Array[]|Function|Function[]|Object|Object[]|string|string[])} - * [iteratees=[_.identity]] The iteratees to sort by. - * @returns {Array} Returns the new sorted array. - * @example - * - * var users = [ - * { 'user': 'fred', 'age': 48 }, - * { 'user': 'barney', 'age': 36 }, - * { 'user': 'fred', 'age': 40 }, - * { 'user': 'barney', 'age': 34 } - * ]; - * - * _.sortBy(users, function(o) { return o.user; }); - * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] - * - * _.sortBy(users, ['user', 'age']); - * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]] - * - * _.sortBy(users, 'user', function(o) { - * return Math.floor(o.age / 10); - * }); - * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] - */ - var sortBy = rest(function(collection, iteratees) { - if (collection == null) { - return []; - } - var length = iteratees.length; - if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) { - iteratees = []; - } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) { - iteratees = [iteratees[0]]; - } - iteratees = (iteratees.length == 1 && isArray(iteratees[0])) - ? iteratees[0] - : baseFlatten(iteratees, 1, isFlattenableIteratee); - - return baseOrderBy(collection, iteratees, []); - }); - - /*------------------------------------------------------------------------*/ - - /** - * Gets the timestamp of the number of milliseconds that have elapsed since - * the Unix epoch (1 January 1970 00:00:00 UTC). - * - * @static - * @memberOf _ - * @since 2.4.0 - * @type {Function} - * @category Date - * @returns {number} Returns the timestamp. - * @example - * - * _.defer(function(stamp) { - * console.log(_.now() - stamp); - * }, _.now()); - * // => Logs the number of milliseconds it took for the deferred function to be invoked. - */ - var now = Date.now; - - /*------------------------------------------------------------------------*/ - - /** - * The opposite of `_.before`; this method creates a function that invokes - * `func` once it's called `n` or more times. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {number} n The number of calls before `func` is invoked. - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var saves = ['profile', 'settings']; - * - * var done = _.after(saves.length, function() { - * console.log('done saving!'); - * }); - * - * _.forEach(saves, function(type) { - * asyncSave({ 'type': type, 'complete': done }); - * }); - * // => Logs 'done saving!' after the two async saves have completed. - */ - function after(n, func) { - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - n = toInteger(n); - return function() { - if (--n < 1) { - return func.apply(this, arguments); - } - }; - } - - /** - * Creates a function that invokes `func`, with up to `n` arguments, - * ignoring any additional arguments. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Function - * @param {Function} func The function to cap arguments for. - * @param {number} [n=func.length] The arity cap. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Function} Returns the new capped function. - * @example - * - * _.map(['6', '8', '10'], _.ary(parseInt, 1)); - * // => [6, 8, 10] - */ - function ary(func, n, guard) { - n = guard ? undefined : n; - n = (func && n == null) ? func.length : n; - return createWrapper(func, ARY_FLAG, undefined, undefined, undefined, undefined, n); - } - - /** - * Creates a function that invokes `func`, with the `this` binding and arguments - * of the created function, while it's called less than `n` times. Subsequent - * calls to the created function return the result of the last `func` invocation. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Function - * @param {number} n The number of calls at which `func` is no longer invoked. - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * jQuery(element).on('click', _.before(5, addContactToList)); - * // => allows adding up to 4 contacts to the list - */ - function before(n, func) { - var result; - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - n = toInteger(n); - return function() { - if (--n > 0) { - result = func.apply(this, arguments); - } - if (n <= 1) { - func = undefined; - } - return result; - }; - } - - /** - * Creates a function that invokes `func` with the `this` binding of `thisArg` - * and `partials` prepended to the arguments it receives. - * - * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds, - * may be used as a placeholder for partially applied arguments. - * - * **Note:** Unlike native `Function#bind` this method doesn't set the "length" - * property of bound functions. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to bind. - * @param {*} thisArg The `this` binding of `func`. - * @param {...*} [partials] The arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var greet = function(greeting, punctuation) { - * return greeting + ' ' + this.user + punctuation; - * }; - * - * var object = { 'user': 'fred' }; - * - * var bound = _.bind(greet, object, 'hi'); - * bound('!'); - * // => 'hi fred!' - * - * // Bound with placeholders. - * var bound = _.bind(greet, object, _, '!'); - * bound('hi'); - * // => 'hi fred!' - */ - var bind = rest(function(func, thisArg, partials) { - var bitmask = BIND_FLAG; - if (partials.length) { - var holders = replaceHolders(partials, getHolder(bind)); - bitmask |= PARTIAL_FLAG; - } - return createWrapper(func, bitmask, thisArg, partials, holders); - }); - - /** - * Creates a function that invokes the method at `object[key]` with `partials` - * prepended to the arguments it receives. - * - * This method differs from `_.bind` by allowing bound functions to reference - * methods that may be redefined or don't yet exist. See - * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern) - * for more details. - * - * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic - * builds, may be used as a placeholder for partially applied arguments. - * - * @static - * @memberOf _ - * @since 0.10.0 - * @category Function - * @param {Object} object The object to invoke the method on. - * @param {string} key The key of the method. - * @param {...*} [partials] The arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var object = { - * 'user': 'fred', - * 'greet': function(greeting, punctuation) { - * return greeting + ' ' + this.user + punctuation; - * } - * }; - * - * var bound = _.bindKey(object, 'greet', 'hi'); - * bound('!'); - * // => 'hi fred!' - * - * object.greet = function(greeting, punctuation) { - * return greeting + 'ya ' + this.user + punctuation; - * }; - * - * bound('!'); - * // => 'hiya fred!' - * - * // Bound with placeholders. - * var bound = _.bindKey(object, 'greet', _, '!'); - * bound('hi'); - * // => 'hiya fred!' - */ - var bindKey = rest(function(object, key, partials) { - var bitmask = BIND_FLAG | BIND_KEY_FLAG; - if (partials.length) { - var holders = replaceHolders(partials, getHolder(bindKey)); - bitmask |= PARTIAL_FLAG; - } - return createWrapper(key, bitmask, object, partials, holders); - }); - - /** - * Creates a function that accepts arguments of `func` and either invokes - * `func` returning its result, if at least `arity` number of arguments have - * been provided, or returns a function that accepts the remaining `func` - * arguments, and so on. The arity of `func` may be specified if `func.length` - * is not sufficient. - * - * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds, - * may be used as a placeholder for provided arguments. - * - * **Note:** This method doesn't set the "length" property of curried functions. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Function - * @param {Function} func The function to curry. - * @param {number} [arity=func.length] The arity of `func`. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Function} Returns the new curried function. - * @example - * - * var abc = function(a, b, c) { - * return [a, b, c]; - * }; - * - * var curried = _.curry(abc); - * - * curried(1)(2)(3); - * // => [1, 2, 3] - * - * curried(1, 2)(3); - * // => [1, 2, 3] - * - * curried(1, 2, 3); - * // => [1, 2, 3] - * - * // Curried with placeholders. - * curried(1)(_, 3)(2); - * // => [1, 2, 3] - */ - function curry(func, arity, guard) { - arity = guard ? undefined : arity; - var result = createWrapper(func, CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity); - result.placeholder = curry.placeholder; - return result; - } - - /** - * This method is like `_.curry` except that arguments are applied to `func` - * in the manner of `_.partialRight` instead of `_.partial`. - * - * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic - * builds, may be used as a placeholder for provided arguments. - * - * **Note:** This method doesn't set the "length" property of curried functions. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Function - * @param {Function} func The function to curry. - * @param {number} [arity=func.length] The arity of `func`. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Function} Returns the new curried function. - * @example - * - * var abc = function(a, b, c) { - * return [a, b, c]; - * }; - * - * var curried = _.curryRight(abc); - * - * curried(3)(2)(1); - * // => [1, 2, 3] - * - * curried(2, 3)(1); - * // => [1, 2, 3] - * - * curried(1, 2, 3); - * // => [1, 2, 3] - * - * // Curried with placeholders. - * curried(3)(1, _)(2); - * // => [1, 2, 3] - */ - function curryRight(func, arity, guard) { - arity = guard ? undefined : arity; - var result = createWrapper(func, CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity); - result.placeholder = curryRight.placeholder; - return result; - } - - /** - * Creates a debounced function that delays invoking `func` until after `wait` - * milliseconds have elapsed since the last time the debounced function was - * invoked. The debounced function comes with a `cancel` method to cancel - * delayed `func` invocations and a `flush` method to immediately invoke them. - * Provide an options object to indicate whether `func` should be invoked on - * the leading and/or trailing edge of the `wait` timeout. The `func` is invoked - * with the last arguments provided to the debounced function. Subsequent calls - * to the debounced function return the result of the last `func` invocation. - * - * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked - * on the trailing edge of the timeout only if the debounced function is - * invoked more than once during the `wait` timeout. - * - * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) - * for details over the differences between `_.debounce` and `_.throttle`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to debounce. - * @param {number} [wait=0] The number of milliseconds to delay. - * @param {Object} [options={}] The options object. - * @param {boolean} [options.leading=false] - * Specify invoking on the leading edge of the timeout. - * @param {number} [options.maxWait] - * The maximum time `func` is allowed to be delayed before it's invoked. - * @param {boolean} [options.trailing=true] - * Specify invoking on the trailing edge of the timeout. - * @returns {Function} Returns the new debounced function. - * @example - * - * // Avoid costly calculations while the window size is in flux. - * jQuery(window).on('resize', _.debounce(calculateLayout, 150)); - * - * // Invoke `sendMail` when clicked, debouncing subsequent calls. - * jQuery(element).on('click', _.debounce(sendMail, 300, { - * 'leading': true, - * 'trailing': false - * })); - * - * // Ensure `batchLog` is invoked once after 1 second of debounced calls. - * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 }); - * var source = new EventSource('/stream'); - * jQuery(source).on('message', debounced); - * - * // Cancel the trailing debounced invocation. - * jQuery(window).on('popstate', debounced.cancel); - */ - function debounce(func, wait, options) { - var lastArgs, - lastThis, - maxWait, - result, - timerId, - lastCallTime = 0, - lastInvokeTime = 0, - leading = false, - maxing = false, - trailing = true; - - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - wait = toNumber(wait) || 0; - if (isObject(options)) { - leading = !!options.leading; - maxing = 'maxWait' in options; - maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait; - trailing = 'trailing' in options ? !!options.trailing : trailing; - } - - function invokeFunc(time) { - var args = lastArgs, - thisArg = lastThis; - - lastArgs = lastThis = undefined; - lastInvokeTime = time; - result = func.apply(thisArg, args); - return result; - } - - function leadingEdge(time) { - // Reset any `maxWait` timer. - lastInvokeTime = time; - // Start the timer for the trailing edge. - timerId = setTimeout(timerExpired, wait); - // Invoke the leading edge. - return leading ? invokeFunc(time) : result; - } - - function remainingWait(time) { - var timeSinceLastCall = time - lastCallTime, - timeSinceLastInvoke = time - lastInvokeTime, - result = wait - timeSinceLastCall; - - return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result; - } - - function shouldInvoke(time) { - var timeSinceLastCall = time - lastCallTime, - timeSinceLastInvoke = time - lastInvokeTime; - - // Either this is the first call, activity has stopped and we're at the - // trailing edge, the system time has gone backwards and we're treating - // it as the trailing edge, or we've hit the `maxWait` limit. - return (!lastCallTime || (timeSinceLastCall >= wait) || - (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait)); - } - - function timerExpired() { - var time = now(); - if (shouldInvoke(time)) { - return trailingEdge(time); - } - // Restart the timer. - timerId = setTimeout(timerExpired, remainingWait(time)); - } - - function trailingEdge(time) { - clearTimeout(timerId); - timerId = undefined; - - // Only invoke if we have `lastArgs` which means `func` has been - // debounced at least once. - if (trailing && lastArgs) { - return invokeFunc(time); - } - lastArgs = lastThis = undefined; - return result; - } - - function cancel() { - if (timerId !== undefined) { - clearTimeout(timerId); - } - lastCallTime = lastInvokeTime = 0; - lastArgs = lastThis = timerId = undefined; - } - - function flush() { - return timerId === undefined ? result : trailingEdge(now()); - } - - function debounced() { - var time = now(), - isInvoking = shouldInvoke(time); - - lastArgs = arguments; - lastThis = this; - lastCallTime = time; - - if (isInvoking) { - if (timerId === undefined) { - return leadingEdge(lastCallTime); - } - if (maxing) { - // Handle invocations in a tight loop. - clearTimeout(timerId); - timerId = setTimeout(timerExpired, wait); - return invokeFunc(lastCallTime); - } - } - if (timerId === undefined) { - timerId = setTimeout(timerExpired, wait); - } - return result; - } - debounced.cancel = cancel; - debounced.flush = flush; - return debounced; - } - - /** - * Defers invoking the `func` until the current call stack has cleared. Any - * additional arguments are provided to `func` when it's invoked. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to defer. - * @param {...*} [args] The arguments to invoke `func` with. - * @returns {number} Returns the timer id. - * @example - * - * _.defer(function(text) { - * console.log(text); - * }, 'deferred'); - * // => Logs 'deferred' after one or more milliseconds. - */ - var defer = rest(function(func, args) { - return baseDelay(func, 1, args); - }); - - /** - * Invokes `func` after `wait` milliseconds. Any additional arguments are - * provided to `func` when it's invoked. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to delay. - * @param {number} wait The number of milliseconds to delay invocation. - * @param {...*} [args] The arguments to invoke `func` with. - * @returns {number} Returns the timer id. - * @example - * - * _.delay(function(text) { - * console.log(text); - * }, 1000, 'later'); - * // => Logs 'later' after one second. - */ - var delay = rest(function(func, wait, args) { - return baseDelay(func, toNumber(wait) || 0, args); - }); - - /** - * Creates a function that invokes `func` with arguments reversed. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Function - * @param {Function} func The function to flip arguments for. - * @returns {Function} Returns the new flipped function. - * @example - * - * var flipped = _.flip(function() { - * return _.toArray(arguments); - * }); - * - * flipped('a', 'b', 'c', 'd'); - * // => ['d', 'c', 'b', 'a'] - */ - function flip(func) { - return createWrapper(func, FLIP_FLAG); - } - - /** - * Creates a function that memoizes the result of `func`. If `resolver` is - * provided, it determines the cache key for storing the result based on the - * arguments provided to the memoized function. By default, the first argument - * provided to the memoized function is used as the map cache key. The `func` - * is invoked with the `this` binding of the memoized function. - * - * **Note:** The cache is exposed as the `cache` property on the memoized - * function. Its creation may be customized by replacing the `_.memoize.Cache` - * constructor with one whose instances implement the - * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object) - * method interface of `delete`, `get`, `has`, and `set`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to have its output memoized. - * @param {Function} [resolver] The function to resolve the cache key. - * @returns {Function} Returns the new memoized function. - * @example - * - * var object = { 'a': 1, 'b': 2 }; - * var other = { 'c': 3, 'd': 4 }; - * - * var values = _.memoize(_.values); - * values(object); - * // => [1, 2] - * - * values(other); - * // => [3, 4] - * - * object.a = 2; - * values(object); - * // => [1, 2] - * - * // Modify the result cache. - * values.cache.set(object, ['a', 'b']); - * values(object); - * // => ['a', 'b'] - * - * // Replace `_.memoize.Cache`. - * _.memoize.Cache = WeakMap; - */ - function memoize(func, resolver) { - if (typeof func != 'function' || (resolver && typeof resolver != 'function')) { - throw new TypeError(FUNC_ERROR_TEXT); - } - var memoized = function() { - var args = arguments, - key = resolver ? resolver.apply(this, args) : args[0], - cache = memoized.cache; - - if (cache.has(key)) { - return cache.get(key); - } - var result = func.apply(this, args); - memoized.cache = cache.set(key, result); - return result; - }; - memoized.cache = new (memoize.Cache || MapCache); - return memoized; - } - - // Assign cache to `_.memoize`. - memoize.Cache = MapCache; - - /** - * Creates a function that negates the result of the predicate `func`. The - * `func` predicate is invoked with the `this` binding and arguments of the - * created function. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Function - * @param {Function} predicate The predicate to negate. - * @returns {Function} Returns the new negated function. - * @example - * - * function isEven(n) { - * return n % 2 == 0; - * } - * - * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven)); - * // => [1, 3, 5] - */ - function negate(predicate) { - if (typeof predicate != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - return function() { - return !predicate.apply(this, arguments); - }; - } - - /** - * Creates a function that is restricted to invoking `func` once. Repeat calls - * to the function return the value of the first invocation. The `func` is - * invoked with the `this` binding and arguments of the created function. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var initialize = _.once(createApplication); - * initialize(); - * initialize(); - * // `initialize` invokes `createApplication` once - */ - function once(func) { - return before(2, func); - } - - /** - * Creates a function that invokes `func` with arguments transformed by - * corresponding `transforms`. - * - * @static - * @since 4.0.0 - * @memberOf _ - * @category Function - * @param {Function} func The function to wrap. - * @param {...(Array|Array[]|Function|Function[]|Object|Object[]|string|string[])} - * [transforms[_.identity]] The functions to transform. - * @returns {Function} Returns the new function. - * @example - * - * function doubled(n) { - * return n * 2; - * } - * - * function square(n) { - * return n * n; - * } - * - * var func = _.overArgs(function(x, y) { - * return [x, y]; - * }, square, doubled); - * - * func(9, 3); - * // => [81, 6] - * - * func(10, 5); - * // => [100, 10] - */ - var overArgs = rest(function(func, transforms) { - transforms = (transforms.length == 1 && isArray(transforms[0])) - ? arrayMap(transforms[0], baseUnary(getIteratee())) - : arrayMap(baseFlatten(transforms, 1, isFlattenableIteratee), baseUnary(getIteratee())); - - var funcsLength = transforms.length; - return rest(function(args) { - var index = -1, - length = nativeMin(args.length, funcsLength); - - while (++index < length) { - args[index] = transforms[index].call(this, args[index]); - } - return apply(func, this, args); - }); - }); - - /** - * Creates a function that invokes `func` with `partials` prepended to the - * arguments it receives. This method is like `_.bind` except it does **not** - * alter the `this` binding. - * - * The `_.partial.placeholder` value, which defaults to `_` in monolithic - * builds, may be used as a placeholder for partially applied arguments. - * - * **Note:** This method doesn't set the "length" property of partially - * applied functions. - * - * @static - * @memberOf _ - * @since 0.2.0 - * @category Function - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [partials] The arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var greet = function(greeting, name) { - * return greeting + ' ' + name; - * }; - * - * var sayHelloTo = _.partial(greet, 'hello'); - * sayHelloTo('fred'); - * // => 'hello fred' - * - * // Partially applied with placeholders. - * var greetFred = _.partial(greet, _, 'fred'); - * greetFred('hi'); - * // => 'hi fred' - */ - var partial = rest(function(func, partials) { - var holders = replaceHolders(partials, getHolder(partial)); - return createWrapper(func, PARTIAL_FLAG, undefined, partials, holders); - }); - - /** - * This method is like `_.partial` except that partially applied arguments - * are appended to the arguments it receives. - * - * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic - * builds, may be used as a placeholder for partially applied arguments. - * - * **Note:** This method doesn't set the "length" property of partially - * applied functions. - * - * @static - * @memberOf _ - * @since 1.0.0 - * @category Function - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [partials] The arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var greet = function(greeting, name) { - * return greeting + ' ' + name; - * }; - * - * var greetFred = _.partialRight(greet, 'fred'); - * greetFred('hi'); - * // => 'hi fred' - * - * // Partially applied with placeholders. - * var sayHelloTo = _.partialRight(greet, 'hello', _); - * sayHelloTo('fred'); - * // => 'hello fred' - */ - var partialRight = rest(function(func, partials) { - var holders = replaceHolders(partials, getHolder(partialRight)); - return createWrapper(func, PARTIAL_RIGHT_FLAG, undefined, partials, holders); - }); - - /** - * Creates a function that invokes `func` with arguments arranged according - * to the specified `indexes` where the argument value at the first index is - * provided as the first argument, the argument value at the second index is - * provided as the second argument, and so on. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Function - * @param {Function} func The function to rearrange arguments for. - * @param {...(number|number[])} indexes The arranged argument indexes. - * @returns {Function} Returns the new function. - * @example - * - * var rearged = _.rearg(function(a, b, c) { - * return [a, b, c]; - * }, 2, 0, 1); - * - * rearged('b', 'c', 'a') - * // => ['a', 'b', 'c'] - */ - var rearg = rest(function(func, indexes) { - return createWrapper(func, REARG_FLAG, undefined, undefined, undefined, baseFlatten(indexes, 1)); - }); - - /** - * Creates a function that invokes `func` with the `this` binding of the - * created function and arguments from `start` and beyond provided as - * an array. - * - * **Note:** This method is based on the - * [rest parameter](https://mdn.io/rest_parameters). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Function - * @param {Function} func The function to apply a rest parameter to. - * @param {number} [start=func.length-1] The start position of the rest parameter. - * @returns {Function} Returns the new function. - * @example - * - * var say = _.rest(function(what, names) { - * return what + ' ' + _.initial(names).join(', ') + - * (_.size(names) > 1 ? ', & ' : '') + _.last(names); - * }); - * - * say('hello', 'fred', 'barney', 'pebbles'); - * // => 'hello fred, barney, & pebbles' - */ - function rest(func, start) { - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - start = nativeMax(start === undefined ? (func.length - 1) : toInteger(start), 0); - return function() { - var args = arguments, - index = -1, - length = nativeMax(args.length - start, 0), - array = Array(length); - - while (++index < length) { - array[index] = args[start + index]; - } - switch (start) { - case 0: return func.call(this, array); - case 1: return func.call(this, args[0], array); - case 2: return func.call(this, args[0], args[1], array); - } - var otherArgs = Array(start + 1); - index = -1; - while (++index < start) { - otherArgs[index] = args[index]; - } - otherArgs[start] = array; - return apply(func, this, otherArgs); - }; - } - - /** - * Creates a function that invokes `func` with the `this` binding of the - * create function and an array of arguments much like - * [`Function#apply`](http://www.ecma-international.org/ecma-262/6.0/#sec-function.prototype.apply). - * - * **Note:** This method is based on the - * [spread operator](https://mdn.io/spread_operator). - * - * @static - * @memberOf _ - * @since 3.2.0 - * @category Function - * @param {Function} func The function to spread arguments over. - * @param {number} [start=0] The start position of the spread. - * @returns {Function} Returns the new function. - * @example - * - * var say = _.spread(function(who, what) { - * return who + ' says ' + what; - * }); - * - * say(['fred', 'hello']); - * // => 'fred says hello' - * - * var numbers = Promise.all([ - * Promise.resolve(40), - * Promise.resolve(36) - * ]); - * - * numbers.then(_.spread(function(x, y) { - * return x + y; - * })); - * // => a Promise of 76 - */ - function spread(func, start) { - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - start = start === undefined ? 0 : nativeMax(toInteger(start), 0); - return rest(function(args) { - var array = args[start], - otherArgs = castSlice(args, 0, start); - - if (array) { - arrayPush(otherArgs, array); - } - return apply(func, this, otherArgs); - }); - } - - /** - * Creates a throttled function that only invokes `func` at most once per - * every `wait` milliseconds. The throttled function comes with a `cancel` - * method to cancel delayed `func` invocations and a `flush` method to - * immediately invoke them. Provide an options object to indicate whether - * `func` should be invoked on the leading and/or trailing edge of the `wait` - * timeout. The `func` is invoked with the last arguments provided to the - * throttled function. Subsequent calls to the throttled function return the - * result of the last `func` invocation. - * - * **Note:** If `leading` and `trailing` options are `true`, `func` is - * invoked on the trailing edge of the timeout only if the throttled function - * is invoked more than once during the `wait` timeout. - * - * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) - * for details over the differences between `_.throttle` and `_.debounce`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {Function} func The function to throttle. - * @param {number} [wait=0] The number of milliseconds to throttle invocations to. - * @param {Object} [options={}] The options object. - * @param {boolean} [options.leading=true] - * Specify invoking on the leading edge of the timeout. - * @param {boolean} [options.trailing=true] - * Specify invoking on the trailing edge of the timeout. - * @returns {Function} Returns the new throttled function. - * @example - * - * // Avoid excessively updating the position while scrolling. - * jQuery(window).on('scroll', _.throttle(updatePosition, 100)); - * - * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes. - * var throttled = _.throttle(renewToken, 300000, { 'trailing': false }); - * jQuery(element).on('click', throttled); - * - * // Cancel the trailing throttled invocation. - * jQuery(window).on('popstate', throttled.cancel); - */ - function throttle(func, wait, options) { - var leading = true, - trailing = true; - - if (typeof func != 'function') { - throw new TypeError(FUNC_ERROR_TEXT); - } - if (isObject(options)) { - leading = 'leading' in options ? !!options.leading : leading; - trailing = 'trailing' in options ? !!options.trailing : trailing; - } - return debounce(func, wait, { - 'leading': leading, - 'maxWait': wait, - 'trailing': trailing - }); - } - - /** - * Creates a function that accepts up to one argument, ignoring any - * additional arguments. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Function - * @param {Function} func The function to cap arguments for. - * @returns {Function} Returns the new capped function. - * @example - * - * _.map(['6', '8', '10'], _.unary(parseInt)); - * // => [6, 8, 10] - */ - function unary(func) { - return ary(func, 1); - } - - /** - * Creates a function that provides `value` to the wrapper function as its - * first argument. Any additional arguments provided to the function are - * appended to those provided to the wrapper function. The wrapper is invoked - * with the `this` binding of the created function. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Function - * @param {*} value The value to wrap. - * @param {Function} [wrapper=identity] The wrapper function. - * @returns {Function} Returns the new function. - * @example - * - * var p = _.wrap(_.escape, function(func, text) { - * return '

' + func(text) + '

'; - * }); - * - * p('fred, barney, & pebbles'); - * // => '

fred, barney, & pebbles

' - */ - function wrap(value, wrapper) { - wrapper = wrapper == null ? identity : wrapper; - return partial(wrapper, value); - } - - /*------------------------------------------------------------------------*/ - - /** - * Casts `value` as an array if it's not one. - * - * @static - * @memberOf _ - * @since 4.4.0 - * @category Lang - * @param {*} value The value to inspect. - * @returns {Array} Returns the cast array. - * @example - * - * _.castArray(1); - * // => [1] - * - * _.castArray({ 'a': 1 }); - * // => [{ 'a': 1 }] - * - * _.castArray('abc'); - * // => ['abc'] - * - * _.castArray(null); - * // => [null] - * - * _.castArray(undefined); - * // => [undefined] - * - * _.castArray(); - * // => [] - * - * var array = [1, 2, 3]; - * console.log(_.castArray(array) === array); - * // => true - */ - function castArray() { - if (!arguments.length) { - return []; - } - var value = arguments[0]; - return isArray(value) ? value : [value]; - } - - /** - * Creates a shallow clone of `value`. - * - * **Note:** This method is loosely based on the - * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm) - * and supports cloning arrays, array buffers, booleans, date objects, maps, - * numbers, `Object` objects, regexes, sets, strings, symbols, and typed - * arrays. The own enumerable properties of `arguments` objects are cloned - * as plain objects. An empty object is returned for uncloneable values such - * as error objects, functions, DOM nodes, and WeakMaps. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to clone. - * @returns {*} Returns the cloned value. - * @see _.cloneDeep - * @example - * - * var objects = [{ 'a': 1 }, { 'b': 2 }]; - * - * var shallow = _.clone(objects); - * console.log(shallow[0] === objects[0]); - * // => true - */ - function clone(value) { - return baseClone(value, false, true); - } - - /** - * This method is like `_.clone` except that it accepts `customizer` which - * is invoked to produce the cloned value. If `customizer` returns `undefined`, - * cloning is handled by the method instead. The `customizer` is invoked with - * up to four arguments; (value [, index|key, object, stack]). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to clone. - * @param {Function} [customizer] The function to customize cloning. - * @returns {*} Returns the cloned value. - * @see _.cloneDeepWith - * @example - * - * function customizer(value) { - * if (_.isElement(value)) { - * return value.cloneNode(false); - * } - * } - * - * var el = _.cloneWith(document.body, customizer); - * - * console.log(el === document.body); - * // => false - * console.log(el.nodeName); - * // => 'BODY' - * console.log(el.childNodes.length); - * // => 0 - */ - function cloneWith(value, customizer) { - return baseClone(value, false, true, customizer); - } - - /** - * 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, true, true); - } - - /** - * This method is like `_.cloneWith` except that it recursively clones `value`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to recursively clone. - * @param {Function} [customizer] The function to customize cloning. - * @returns {*} Returns the deep cloned value. - * @see _.cloneWith - * @example - * - * function customizer(value) { - * if (_.isElement(value)) { - * return value.cloneNode(true); - * } - * } - * - * var el = _.cloneDeepWith(document.body, customizer); - * - * console.log(el === document.body); - * // => false - * console.log(el.nodeName); - * // => 'BODY' - * console.log(el.childNodes.length); - * // => 20 - */ - function cloneDeepWith(value, customizer) { - return baseClone(value, true, true, customizer); - } - - /** - * Performs a - * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#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 = { 'user': 'fred' }; - * var other = { 'user': 'fred' }; - * - * _.eq(object, object); - * // => true - * - * _.eq(object, other); - * // => false - * - * _.eq('a', 'a'); - * // => true - * - * _.eq('a', Object('a')); - * // => false - * - * _.eq(NaN, NaN); - * // => true - */ - function eq(value, other) { - return value === other || (value !== value && other !== other); - } - - /** - * Checks if `value` is greater than `other`. - * - * @static - * @memberOf _ - * @since 3.9.0 - * @category Lang - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is greater than `other`, - * else `false`. - * @see _.lt - * @example - * - * _.gt(3, 1); - * // => true - * - * _.gt(3, 3); - * // => false - * - * _.gt(1, 3); - * // => false - */ - var gt = createRelationalOperation(baseGt); - - /** - * Checks if `value` is greater than or equal to `other`. - * - * @static - * @memberOf _ - * @since 3.9.0 - * @category Lang - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is greater than or equal to - * `other`, else `false`. - * @see _.lte - * @example - * - * _.gte(3, 1); - * // => true - * - * _.gte(3, 3); - * // => true - * - * _.gte(1, 3); - * // => false - */ - var gte = createRelationalOperation(function(value, other) { - return value >= other; - }); - - /** - * Checks if `value` is likely an `arguments` object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isArguments(function() { return arguments; }()); - * // => true - * - * _.isArguments([1, 2, 3]); - * // => false - */ - function isArguments(value) { - // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode. - return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') && - (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag); - } - - /** - * Checks if `value` is classified as an `Array` object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @type {Function} - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isArray([1, 2, 3]); - * // => true - * - * _.isArray(document.body.children); - * // => false - * - * _.isArray('abc'); - * // => false - * - * _.isArray(_.noop); - * // => false - */ - var isArray = Array.isArray; - - /** - * Checks if `value` is classified as an `ArrayBuffer` object. - * - * @static - * @memberOf _ - * @since 4.3.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isArrayBuffer(new ArrayBuffer(2)); - * // => true - * - * _.isArrayBuffer(new Array(2)); - * // => false - */ - function isArrayBuffer(value) { - return isObjectLike(value) && objectToString.call(value) == arrayBufferTag; - } - - /** - * 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(getLength(value)) && !isFunction(value); - } - - /** - * This method is like `_.isArrayLike` except that it also checks if `value` - * is an object. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is an array-like object, - * else `false`. - * @example - * - * _.isArrayLikeObject([1, 2, 3]); - * // => true - * - * _.isArrayLikeObject(document.body.children); - * // => true - * - * _.isArrayLikeObject('abc'); - * // => false - * - * _.isArrayLikeObject(_.noop); - * // => false - */ - function isArrayLikeObject(value) { - return isObjectLike(value) && isArrayLike(value); - } - - /** - * Checks if `value` is classified as a boolean primitive or object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isBoolean(false); - * // => true - * - * _.isBoolean(null); - * // => false - */ - function isBoolean(value) { - return value === true || value === false || - (isObjectLike(value) && objectToString.call(value) == boolTag); - } - - /** - * 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 = !Buffer ? constant(false) : function(value) { - return value instanceof Buffer; - }; - - /** - * Checks if `value` is classified as a `Date` object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isDate(new Date); - * // => true - * - * _.isDate('Mon April 23 2012'); - * // => false - */ - function isDate(value) { - return isObjectLike(value) && objectToString.call(value) == dateTag; - } - - /** - * Checks if `value` is likely a DOM element. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a DOM element, - * else `false`. - * @example - * - * _.isElement(document.body); - * // => true - * - * _.isElement(''); - * // => false - */ - function isElement(value) { - return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value); - } - - /** - * Checks if `value` is an empty object, collection, map, or set. - * - * Objects are considered empty if they have no own enumerable string keyed - * properties. - * - * Array-like values such as `arguments` objects, arrays, buffers, strings, or - * jQuery-like collections are considered empty if they have a `length` of `0`. - * Similarly, maps and sets are considered empty if they have a `size` of `0`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is empty, else `false`. - * @example - * - * _.isEmpty(null); - * // => true - * - * _.isEmpty(true); - * // => true - * - * _.isEmpty(1); - * // => true - * - * _.isEmpty([1, 2, 3]); - * // => false - * - * _.isEmpty({ 'a': 1 }); - * // => false - */ - function isEmpty(value) { - if (isArrayLike(value) && - (isArray(value) || isString(value) || isFunction(value.splice) || - isArguments(value) || isBuffer(value))) { - return !value.length; - } - if (isObjectLike(value)) { - var tag = getTag(value); - if (tag == mapTag || tag == setTag) { - return !value.size; - } - } - for (var key in value) { - if (hasOwnProperty.call(value, key)) { - return false; - } - } - return !(nonEnumShadows && keys(value).length); - } - - /** - * Performs a deep comparison between two values to determine if they are - * equivalent. - * - * **Note:** This method supports comparing arrays, array buffers, booleans, - * date objects, error objects, maps, numbers, `Object` objects, regexes, - * sets, strings, symbols, and typed arrays. `Object` objects are compared - * by their own, not inherited, enumerable properties. Functions and DOM - * nodes are **not** supported. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @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 = { 'user': 'fred' }; - * var other = { 'user': 'fred' }; - * - * _.isEqual(object, other); - * // => true - * - * object === other; - * // => false - */ - function isEqual(value, other) { - return baseIsEqual(value, other); - } - - /** - * This method is like `_.isEqual` except that it accepts `customizer` which - * is invoked to compare values. If `customizer` returns `undefined`, comparisons - * are handled by the method instead. The `customizer` is invoked with up to - * six arguments: (objValue, othValue [, index|key, object, other, stack]). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @param {Function} [customizer] The function to customize comparisons. - * @returns {boolean} Returns `true` if the values are equivalent, - * else `false`. - * @example - * - * function isGreeting(value) { - * return /^h(?:i|ello)$/.test(value); - * } - * - * function customizer(objValue, othValue) { - * if (isGreeting(objValue) && isGreeting(othValue)) { - * return true; - * } - * } - * - * var array = ['hello', 'goodbye']; - * var other = ['hi', 'goodbye']; - * - * _.isEqualWith(array, other, customizer); - * // => true - */ - function isEqualWith(value, other, customizer) { - customizer = typeof customizer == 'function' ? customizer : undefined; - var result = customizer ? customizer(value, other) : undefined; - return result === undefined ? baseIsEqual(value, other, customizer) : !!result; - } - - /** - * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, - * `SyntaxError`, `TypeError`, or `URIError` object. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is an error object, - * else `false`. - * @example - * - * _.isError(new Error); - * // => true - * - * _.isError(Error); - * // => false - */ - function isError(value) { - if (!isObjectLike(value)) { - return false; - } - return (objectToString.call(value) == errorTag) || - (typeof value.message == 'string' && typeof value.name == 'string'); - } - - /** - * Checks if `value` is a finite primitive number. - * - * **Note:** This method is based on - * [`Number.isFinite`](https://mdn.io/Number/isFinite). - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a finite number, - * else `false`. - * @example - * - * _.isFinite(3); - * // => true - * - * _.isFinite(Number.MIN_VALUE); - * // => true - * - * _.isFinite(Infinity); - * // => false - * - * _.isFinite('3'); - * // => false - */ - function isFinite(value) { - return typeof value == 'number' && nativeIsFinite(value); - } - - /** - * Checks if `value` is classified as a `Function` object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isFunction(_); - * // => true - * - * _.isFunction(/abc/); - * // => false - */ - function isFunction(value) { - // The use of `Object#toString` avoids issues with the `typeof` operator - // in Safari 8 which returns 'object' for typed array and weak map constructors, - // and PhantomJS 1.9 which returns 'function' for `NodeList` instances. - var tag = isObject(value) ? objectToString.call(value) : ''; - return tag == funcTag || tag == genTag; - } - - /** - * Checks if `value` is an integer. - * - * **Note:** This method is based on - * [`Number.isInteger`](https://mdn.io/Number/isInteger). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is an integer, else `false`. - * @example - * - * _.isInteger(3); - * // => true - * - * _.isInteger(Number.MIN_VALUE); - * // => false - * - * _.isInteger(Infinity); - * // => false - * - * _.isInteger('3'); - * // => false - */ - function isInteger(value) { - return typeof value == 'number' && value == toInteger(value); - } - - /** - * Checks if `value` is a valid array-like length. - * - * **Note:** This function is loosely based on - * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a valid length, - * else `false`. - * @example - * - * _.isLength(3); - * // => true - * - * _.isLength(Number.MIN_VALUE); - * // => false - * - * _.isLength(Infinity); - * // => false - * - * _.isLength('3'); - * // => false - */ - function isLength(value) { - return typeof value == 'number' && - value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; - } - - /** - * Checks if `value` is the - * [language type](http://www.ecma-international.org/ecma-262/6.0/#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 && (type == 'object' || type == 'function'); - } - - /** - * Checks if `value` is object-like. A value is object-like if it's not `null` - * and has a `typeof` result of "object". - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is object-like, else `false`. - * @example - * - * _.isObjectLike({}); - * // => true - * - * _.isObjectLike([1, 2, 3]); - * // => true - * - * _.isObjectLike(_.noop); - * // => false - * - * _.isObjectLike(null); - * // => false - */ - function isObjectLike(value) { - return !!value && typeof value == 'object'; - } - - /** - * 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 correctly classified, - * else `false`. - * @example - * - * _.isMap(new Map); - * // => true - * - * _.isMap(new WeakMap); - * // => false - */ - function isMap(value) { - return isObjectLike(value) && getTag(value) == mapTag; - } - - /** - * Performs a partial deep comparison between `object` and `source` to - * determine if `object` contains equivalent property values. This method is - * equivalent to a `_.matches` function when `source` is partially applied. - * - * **Note:** This method supports comparing the same values as `_.isEqual`. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Lang - * @param {Object} object The object to inspect. - * @param {Object} source The object of property values to match. - * @returns {boolean} Returns `true` if `object` is a match, else `false`. - * @example - * - * var object = { 'user': 'fred', 'age': 40 }; - * - * _.isMatch(object, { 'age': 40 }); - * // => true - * - * _.isMatch(object, { 'age': 36 }); - * // => false - */ - function isMatch(object, source) { - return object === source || baseIsMatch(object, source, getMatchData(source)); - } - - /** - * This method is like `_.isMatch` except that it accepts `customizer` which - * is invoked to compare values. If `customizer` returns `undefined`, comparisons - * are handled by the method instead. The `customizer` is invoked with five - * arguments: (objValue, srcValue, index|key, object, source). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {Object} object The object to inspect. - * @param {Object} source The object of property values to match. - * @param {Function} [customizer] The function to customize comparisons. - * @returns {boolean} Returns `true` if `object` is a match, else `false`. - * @example - * - * function isGreeting(value) { - * return /^h(?:i|ello)$/.test(value); - * } - * - * function customizer(objValue, srcValue) { - * if (isGreeting(objValue) && isGreeting(srcValue)) { - * return true; - * } - * } - * - * var object = { 'greeting': 'hello' }; - * var source = { 'greeting': 'hi' }; - * - * _.isMatchWith(object, source, customizer); - * // => true - */ - function isMatchWith(object, source, customizer) { - customizer = typeof customizer == 'function' ? customizer : undefined; - return baseIsMatch(object, source, getMatchData(source), customizer); - } - - /** - * Checks if `value` is `NaN`. - * - * **Note:** This method is based on - * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as - * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for - * `undefined` and other non-number values. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. - * @example - * - * _.isNaN(NaN); - * // => true - * - * _.isNaN(new Number(NaN)); - * // => true - * - * isNaN(undefined); - * // => true - * - * _.isNaN(undefined); - * // => false - */ - function isNaN(value) { - // An `NaN` primitive is the only value that is not equal to itself. - // Perform the `toStringTag` check first to avoid errors with some - // ActiveX objects in IE. - return isNumber(value) && value != +value; - } - - /** - * Checks if `value` is a native function. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a native function, - * else `false`. - * @example - * - * _.isNative(Array.prototype.push); - * // => true - * - * _.isNative(_); - * // => false - */ - function isNative(value) { - if (!isObject(value)) { - return false; - } - var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor; - return pattern.test(toSource(value)); - } - - /** - * Checks if `value` is `null`. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is `null`, else `false`. - * @example - * - * _.isNull(null); - * // => true - * - * _.isNull(void 0); - * // => false - */ - function isNull(value) { - return value === null; - } - - /** - * Checks if `value` is `null` or `undefined`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is nullish, else `false`. - * @example - * - * _.isNil(null); - * // => true - * - * _.isNil(void 0); - * // => true - * - * _.isNil(NaN); - * // => false - */ - function isNil(value) { - return value == null; - } - - /** - * Checks if `value` is classified as a `Number` primitive or object. - * - * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are - * classified as numbers, use the `_.isFinite` method. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isNumber(3); - * // => true - * - * _.isNumber(Number.MIN_VALUE); - * // => true - * - * _.isNumber(Infinity); - * // => true - * - * _.isNumber('3'); - * // => false - */ - function isNumber(value) { - return typeof value == 'number' || - (isObjectLike(value) && objectToString.call(value) == numberTag); - } - - /** - * Checks if `value` is a plain object, that is, an object created by the - * `Object` constructor or one with a `[[Prototype]]` of `null`. - * - * @static - * @memberOf _ - * @since 0.8.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, - * else `false`. - * @example - * - * function Foo() { - * this.a = 1; - * } - * - * _.isPlainObject(new Foo); - * // => false - * - * _.isPlainObject([1, 2, 3]); - * // => false - * - * _.isPlainObject({ 'x': 0, 'y': 0 }); - * // => true - * - * _.isPlainObject(Object.create(null)); - * // => true - */ - function isPlainObject(value) { - if (!isObjectLike(value) || - objectToString.call(value) != objectTag || isHostObject(value)) { - return false; - } - var proto = getPrototype(value); - if (proto === null) { - return true; - } - var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor; - return (typeof Ctor == 'function' && - Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString); - } - - /** - * Checks if `value` is classified as a `RegExp` object. - * - * @static - * @memberOf _ - * @since 0.1.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isRegExp(/abc/); - * // => true - * - * _.isRegExp('/abc/'); - * // => false - */ - function isRegExp(value) { - return isObject(value) && objectToString.call(value) == regexpTag; - } - - /** - * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754 - * double precision number which isn't the result of a rounded unsafe integer. - * - * **Note:** This method is based on - * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a safe integer, - * else `false`. - * @example - * - * _.isSafeInteger(3); - * // => true - * - * _.isSafeInteger(Number.MIN_VALUE); - * // => false - * - * _.isSafeInteger(Infinity); - * // => false - * - * _.isSafeInteger('3'); - * // => false - */ - function isSafeInteger(value) { - return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER; - } - - /** - * 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 correctly classified, - * else `false`. - * @example - * - * _.isSet(new Set); - * // => true - * - * _.isSet(new WeakSet); - * // => false - */ - function isSet(value) { - return isObjectLike(value) && getTag(value) == setTag; - } - - /** - * Checks if `value` is classified as a `String` primitive or object. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isString('abc'); - * // => true - * - * _.isString(1); - * // => false - */ - function isString(value) { - return typeof value == 'string' || - (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag); - } - - /** - * Checks if `value` is classified as a `Symbol` primitive or object. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isSymbol(Symbol.iterator); - * // => true - * - * _.isSymbol('abc'); - * // => false - */ - function isSymbol(value) { - return typeof value == 'symbol' || - (isObjectLike(value) && objectToString.call(value) == symbolTag); - } - - /** - * Checks if `value` is classified as a typed array. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isTypedArray(new Uint8Array); - * // => true - * - * _.isTypedArray([]); - * // => false - */ - function isTypedArray(value) { - return isObjectLike(value) && - isLength(value.length) && !!typedArrayTags[objectToString.call(value)]; - } - - /** - * Checks if `value` is `undefined`. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`. - * @example - * - * _.isUndefined(void 0); - * // => true - * - * _.isUndefined(null); - * // => false - */ - function isUndefined(value) { - return value === undefined; - } - - /** - * Checks if `value` is classified as a `WeakMap` object. - * - * @static - * @memberOf _ - * @since 4.3.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isWeakMap(new WeakMap); - * // => true - * - * _.isWeakMap(new Map); - * // => false - */ - function isWeakMap(value) { - return isObjectLike(value) && getTag(value) == weakMapTag; - } - - /** - * Checks if `value` is classified as a `WeakSet` object. - * - * @static - * @memberOf _ - * @since 4.3.0 - * @category Lang - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is correctly classified, - * else `false`. - * @example - * - * _.isWeakSet(new WeakSet); - * // => true - * - * _.isWeakSet(new Set); - * // => false - */ - function isWeakSet(value) { - return isObjectLike(value) && objectToString.call(value) == weakSetTag; - } - - /** - * Checks if `value` is less than `other`. - * - * @static - * @memberOf _ - * @since 3.9.0 - * @category Lang - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is less than `other`, - * else `false`. - * @see _.gt - * @example - * - * _.lt(1, 3); - * // => true - * - * _.lt(3, 3); - * // => false - * - * _.lt(3, 1); - * // => false - */ - var lt = createRelationalOperation(baseLt); - - /** - * Checks if `value` is less than or equal to `other`. - * - * @static - * @memberOf _ - * @since 3.9.0 - * @category Lang - * @param {*} value The value to compare. - * @param {*} other The other value to compare. - * @returns {boolean} Returns `true` if `value` is less than or equal to - * `other`, else `false`. - * @see _.gte - * @example - * - * _.lte(1, 3); - * // => true - * - * _.lte(3, 3); - * // => true - * - * _.lte(3, 1); - * // => false - */ - var lte = createRelationalOperation(function(value, other) { - return value <= other; - }); - - /** - * Converts `value` to an array. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Lang - * @param {*} value The value to convert. - * @returns {Array} Returns the converted array. - * @example - * - * _.toArray({ 'a': 1, 'b': 2 }); - * // => [1, 2] - * - * _.toArray('abc'); - * // => ['a', 'b', 'c'] - * - * _.toArray(1); - * // => [] - * - * _.toArray(null); - * // => [] - */ - function toArray(value) { - if (!value) { - return []; - } - if (isArrayLike(value)) { - return isString(value) ? stringToArray(value) : copyArray(value); - } - if (iteratorSymbol && value[iteratorSymbol]) { - return iteratorToArray(value[iteratorSymbol]()); - } - var tag = getTag(value), - func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values); - - return func(value); - } - - /** - * Converts `value` to a finite number. - * - * @static - * @memberOf _ - * @since 4.12.0 - * @category Lang - * @param {*} value The value to convert. - * @returns {number} Returns the converted number. - * @example - * - * _.toFinite(3.2); - * // => 3.2 - * - * _.toFinite(Number.MIN_VALUE); - * // => 5e-324 - * - * _.toFinite(Infinity); - * // => 1.7976931348623157e+308 - * - * _.toFinite('3.2'); - * // => 3.2 - */ - function toFinite(value) { - if (!value) { - return value === 0 ? value : 0; - } - value = toNumber(value); - if (value === INFINITY || value === -INFINITY) { - var sign = (value < 0 ? -1 : 1); - return sign * MAX_INTEGER; - } - return value === value ? value : 0; - } - - /** - * Converts `value` to an integer. - * - * **Note:** This function is loosely based on - * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to convert. - * @returns {number} Returns the converted integer. - * @example - * - * _.toInteger(3.2); - * // => 3 - * - * _.toInteger(Number.MIN_VALUE); - * // => 0 - * - * _.toInteger(Infinity); - * // => 1.7976931348623157e+308 - * - * _.toInteger('3.2'); - * // => 3 - */ - function toInteger(value) { - var result = toFinite(value), - remainder = result % 1; - - return result === result ? (remainder ? result - remainder : result) : 0; - } - - /** - * Converts `value` to an integer suitable for use as the length of an - * array-like object. - * - * **Note:** This method is based on - * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to convert. - * @returns {number} Returns the converted integer. - * @example - * - * _.toLength(3.2); - * // => 3 - * - * _.toLength(Number.MIN_VALUE); - * // => 0 - * - * _.toLength(Infinity); - * // => 4294967295 - * - * _.toLength('3.2'); - * // => 3 - */ - function toLength(value) { - return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0; - } - - /** - * Converts `value` to a number. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to process. - * @returns {number} Returns the number. - * @example - * - * _.toNumber(3.2); - * // => 3.2 - * - * _.toNumber(Number.MIN_VALUE); - * // => 5e-324 - * - * _.toNumber(Infinity); - * // => Infinity - * - * _.toNumber('3.2'); - * // => 3.2 - */ - function toNumber(value) { - if (typeof value == 'number') { - return value; - } - if (isSymbol(value)) { - return NAN; - } - if (isObject(value)) { - var other = isFunction(value.valueOf) ? value.valueOf() : value; - value = isObject(other) ? (other + '') : other; - } - if (typeof value != 'string') { - return value === 0 ? value : +value; - } - value = value.replace(reTrim, ''); - var isBinary = reIsBinary.test(value); - return (isBinary || reIsOctal.test(value)) - ? freeParseInt(value.slice(2), isBinary ? 2 : 8) - : (reIsBadHex.test(value) ? NAN : +value); - } - - /** - * Converts `value` to a plain object flattening inherited enumerable string - * keyed properties of `value` to own properties of the plain object. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category Lang - * @param {*} value The value to convert. - * @returns {Object} Returns the converted plain object. - * @example - * - * function Foo() { - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.assign({ 'a': 1 }, new Foo); - * // => { 'a': 1, 'b': 2 } - * - * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); - * // => { 'a': 1, 'b': 2, 'c': 3 } - */ - function toPlainObject(value) { - return copyObject(value, keysIn(value)); - } - - /** - * Converts `value` to a safe integer. A safe integer can be compared and - * represented correctly. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to convert. - * @returns {number} Returns the converted integer. - * @example - * - * _.toSafeInteger(3.2); - * // => 3 - * - * _.toSafeInteger(Number.MIN_VALUE); - * // => 0 - * - * _.toSafeInteger(Infinity); - * // => 9007199254740991 - * - * _.toSafeInteger('3.2'); - * // => 3 - */ - function toSafeInteger(value) { - return baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER); - } - - /** - * Converts `value` to a string. An empty string is returned for `null` - * and `undefined` values. The sign of `-0` is preserved. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Lang - * @param {*} value The value to process. - * @returns {string} Returns the string. - * @example - * - * _.toString(null); - * // => '' - * - * _.toString(-0); - * // => '-0' - * - * _.toString([1, 2, 3]); - * // => '1,2,3' - */ - function toString(value) { - return value == null ? '' : baseToString(value); - } - - /*------------------------------------------------------------------------*/ - - /** - * Assigns own enumerable string keyed properties of source objects to the - * destination object. Source objects are applied from left to right. - * Subsequent sources overwrite property assignments of previous sources. - * - * **Note:** This method mutates `object` and is loosely based on - * [`Object.assign`](https://mdn.io/Object/assign). - * - * @static - * @memberOf _ - * @since 0.10.0 - * @category Object - * @param {Object} object The destination object. - * @param {...Object} [sources] The source objects. - * @returns {Object} Returns `object`. - * @see _.assignIn - * @example - * - * function Foo() { - * this.c = 3; - * } - * - * function Bar() { - * this.e = 5; - * } - * - * Foo.prototype.d = 4; - * Bar.prototype.f = 6; - * - * _.assign({ 'a': 1 }, new Foo, new Bar); - * // => { 'a': 1, 'c': 3, 'e': 5 } - */ - var assign = createAssigner(function(object, source) { - if (nonEnumShadows || isPrototype(source) || isArrayLike(source)) { - copyObject(source, keys(source), object); - return; - } - for (var key in source) { - if (hasOwnProperty.call(source, key)) { - assignValue(object, key, source[key]); - } - } - }); - - /** - * This method is like `_.assign` except that it iterates over own and - * inherited source properties. - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @alias extend - * @category Object - * @param {Object} object The destination object. - * @param {...Object} [sources] The source objects. - * @returns {Object} Returns `object`. - * @see _.assign - * @example - * - * function Foo() { - * this.b = 2; - * } - * - * function Bar() { - * this.d = 4; - * } - * - * Foo.prototype.c = 3; - * Bar.prototype.e = 5; - * - * _.assignIn({ 'a': 1 }, new Foo, new Bar); - * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5 } - */ - var assignIn = createAssigner(function(object, source) { - if (nonEnumShadows || isPrototype(source) || isArrayLike(source)) { - copyObject(source, keysIn(source), object); - return; - } - for (var key in source) { - assignValue(object, key, source[key]); - } - }); - - /** - * This method is like `_.assignIn` except that it accepts `customizer` - * which is invoked to produce the assigned values. If `customizer` returns - * `undefined`, assignment is handled by the method instead. The `customizer` - * is invoked with five arguments: (objValue, srcValue, key, object, source). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @alias extendWith - * @category Object - * @param {Object} object The destination object. - * @param {...Object} sources The source objects. - * @param {Function} [customizer] The function to customize assigned values. - * @returns {Object} Returns `object`. - * @see _.assignWith - * @example - * - * function customizer(objValue, srcValue) { - * return _.isUndefined(objValue) ? srcValue : objValue; - * } - * - * var defaults = _.partialRight(_.assignInWith, customizer); - * - * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); - * // => { 'a': 1, 'b': 2 } - */ - var assignInWith = createAssigner(function(object, source, srcIndex, customizer) { - copyObject(source, keysIn(source), object, customizer); - }); - - /** - * This method is like `_.assign` except that it accepts `customizer` - * which is invoked to produce the assigned values. If `customizer` returns - * `undefined`, assignment is handled by the method instead. The `customizer` - * is invoked with five arguments: (objValue, srcValue, key, object, source). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The destination object. - * @param {...Object} sources The source objects. - * @param {Function} [customizer] The function to customize assigned values. - * @returns {Object} Returns `object`. - * @see _.assignInWith - * @example - * - * function customizer(objValue, srcValue) { - * return _.isUndefined(objValue) ? srcValue : objValue; - * } - * - * var defaults = _.partialRight(_.assignWith, customizer); - * - * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); - * // => { 'a': 1, 'b': 2 } - */ - var assignWith = createAssigner(function(object, source, srcIndex, customizer) { - copyObject(source, keys(source), object, customizer); - }); - - /** - * Creates an array of values corresponding to `paths` of `object`. - * - * @static - * @memberOf _ - * @since 1.0.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {...(string|string[])} [paths] The property paths of elements to pick. - * @returns {Array} Returns the picked values. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; - * - * _.at(object, ['a[0].b.c', 'a[1]']); - * // => [3, 4] - * - * _.at(['a', 'b', 'c'], 0, 2); - * // => ['a', 'c'] - */ - var at = rest(function(object, paths) { - return baseAt(object, baseFlatten(paths, 1)); - }); - - /** - * Creates an object that inherits from the `prototype` object. If a - * `properties` object is given, its own enumerable string keyed properties - * are assigned to the created object. - * - * @static - * @memberOf _ - * @since 2.3.0 - * @category Object - * @param {Object} prototype The object to inherit from. - * @param {Object} [properties] The properties to assign to the object. - * @returns {Object} Returns the new object. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * function Circle() { - * Shape.call(this); - * } - * - * Circle.prototype = _.create(Shape.prototype, { - * 'constructor': Circle - * }); - * - * var circle = new Circle; - * circle instanceof Circle; - * // => true - * - * circle instanceof Shape; - * // => true - */ - function create(prototype, properties) { - var result = baseCreate(prototype); - return properties ? baseAssign(result, properties) : result; - } - - /** - * Assigns own and inherited enumerable string keyed properties of source - * objects to the destination object for all destination properties that - * resolve to `undefined`. Source objects are applied from left to right. - * Once a property is set, additional values of the same property are ignored. - * - * **Note:** This method mutates `object`. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The destination object. - * @param {...Object} [sources] The source objects. - * @returns {Object} Returns `object`. - * @see _.defaultsDeep - * @example - * - * _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' }); - * // => { 'user': 'barney', 'age': 36 } - */ - var defaults = rest(function(args) { - args.push(undefined, assignInDefaults); - return apply(assignInWith, undefined, args); - }); - - /** - * This method is like `_.defaults` except that it recursively assigns - * default properties. - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 3.10.0 - * @category Object - * @param {Object} object The destination object. - * @param {...Object} [sources] The source objects. - * @returns {Object} Returns `object`. - * @see _.defaults - * @example - * - * _.defaultsDeep({ 'user': { 'name': 'barney' } }, { 'user': { 'name': 'fred', 'age': 36 } }); - * // => { 'user': { 'name': 'barney', 'age': 36 } } - * - */ - var defaultsDeep = rest(function(args) { - args.push(undefined, mergeDefaults); - return apply(mergeWith, undefined, args); - }); - - /** - * This method is like `_.find` except that it returns the key of the first - * element `predicate` returns truthy for instead of the element itself. - * - * @static - * @memberOf _ - * @since 1.1.0 - * @category Object - * @param {Object} object The object to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {string|undefined} Returns the key of the matched element, - * else `undefined`. - * @example - * - * var users = { - * 'barney': { 'age': 36, 'active': true }, - * 'fred': { 'age': 40, 'active': false }, - * 'pebbles': { 'age': 1, 'active': true } - * }; - * - * _.findKey(users, function(o) { return o.age < 40; }); - * // => 'barney' (iteration order is not guaranteed) - * - * // The `_.matches` iteratee shorthand. - * _.findKey(users, { 'age': 1, 'active': true }); - * // => 'pebbles' - * - * // The `_.matchesProperty` iteratee shorthand. - * _.findKey(users, ['active', false]); - * // => 'fred' - * - * // The `_.property` iteratee shorthand. - * _.findKey(users, 'active'); - * // => 'barney' - */ - function findKey(object, predicate) { - return baseFind(object, getIteratee(predicate, 3), baseForOwn, true); - } - - /** - * This method is like `_.findKey` except that it iterates over elements of - * a collection in the opposite order. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Object - * @param {Object} object The object to search. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per iteration. - * @returns {string|undefined} Returns the key of the matched element, - * else `undefined`. - * @example - * - * var users = { - * 'barney': { 'age': 36, 'active': true }, - * 'fred': { 'age': 40, 'active': false }, - * 'pebbles': { 'age': 1, 'active': true } - * }; - * - * _.findLastKey(users, function(o) { return o.age < 40; }); - * // => returns 'pebbles' assuming `_.findKey` returns 'barney' - * - * // The `_.matches` iteratee shorthand. - * _.findLastKey(users, { 'age': 36, 'active': true }); - * // => 'barney' - * - * // The `_.matchesProperty` iteratee shorthand. - * _.findLastKey(users, ['active', false]); - * // => 'fred' - * - * // The `_.property` iteratee shorthand. - * _.findLastKey(users, 'active'); - * // => 'pebbles' - */ - function findLastKey(object, predicate) { - return baseFind(object, getIteratee(predicate, 3), baseForOwnRight, true); - } - - /** - * Iterates over own and inherited enumerable string keyed properties of an - * object and invokes `iteratee` for each property. The iteratee is invoked - * with three arguments: (value, key, object). Iteratee functions may exit - * iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @since 0.3.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Object} Returns `object`. - * @see _.forInRight - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.forIn(new Foo, function(value, key) { - * console.log(key); - * }); - * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed). - */ - function forIn(object, iteratee) { - return object == null - ? object - : baseFor(object, getIteratee(iteratee, 3), keysIn); - } - - /** - * This method is like `_.forIn` except that it iterates over properties of - * `object` in the opposite order. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Object} Returns `object`. - * @see _.forIn - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.forInRight(new Foo, function(value, key) { - * console.log(key); - * }); - * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'. - */ - function forInRight(object, iteratee) { - return object == null - ? object - : baseForRight(object, getIteratee(iteratee, 3), keysIn); - } - - /** - * Iterates over own enumerable string keyed properties of an object and - * invokes `iteratee` for each property. The iteratee is invoked with three - * arguments: (value, key, object). Iteratee functions may exit iteration - * early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @since 0.3.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Object} Returns `object`. - * @see _.forOwnRight - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.forOwn(new Foo, function(value, key) { - * console.log(key); - * }); - * // => Logs 'a' then 'b' (iteration order is not guaranteed). - */ - function forOwn(object, iteratee) { - return object && baseForOwn(object, getIteratee(iteratee, 3)); - } - - /** - * This method is like `_.forOwn` except that it iterates over properties of - * `object` in the opposite order. - * - * @static - * @memberOf _ - * @since 2.0.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @returns {Object} Returns `object`. - * @see _.forOwn - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.forOwnRight(new Foo, function(value, key) { - * console.log(key); - * }); - * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'. - */ - function forOwnRight(object, iteratee) { - return object && baseForOwnRight(object, getIteratee(iteratee, 3)); - } - - /** - * Creates an array of function property names from own enumerable properties - * of `object`. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The object to inspect. - * @returns {Array} Returns the function names. - * @see _.functionsIn - * @example - * - * function Foo() { - * this.a = _.constant('a'); - * this.b = _.constant('b'); - * } - * - * Foo.prototype.c = _.constant('c'); - * - * _.functions(new Foo); - * // => ['a', 'b'] - */ - function functions(object) { - return object == null ? [] : baseFunctions(object, keys(object)); - } - - /** - * Creates an array of function property names from own and inherited - * enumerable properties of `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The object to inspect. - * @returns {Array} Returns the function names. - * @see _.functions - * @example - * - * function Foo() { - * this.a = _.constant('a'); - * this.b = _.constant('b'); - * } - * - * Foo.prototype.c = _.constant('c'); - * - * _.functionsIn(new Foo); - * // => ['a', 'b', 'c'] - */ - function functionsIn(object) { - return object == null ? [] : baseFunctions(object, keysIn(object)); - } - - /** - * Gets the value at `path` of `object`. If the resolved value is - * `undefined`, the `defaultValue` is used in its place. - * - * @static - * @memberOf _ - * @since 3.7.0 - * @category Object - * @param {Object} object The object to query. - * @param {Array|string} path The path of the property to get. - * @param {*} [defaultValue] The value returned for `undefined` resolved values. - * @returns {*} Returns the resolved value. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 3 } }] }; - * - * _.get(object, 'a[0].b.c'); - * // => 3 - * - * _.get(object, ['a', '0', 'b', 'c']); - * // => 3 - * - * _.get(object, 'a.b.c', 'default'); - * // => 'default' - */ - function get(object, path, defaultValue) { - var result = object == null ? undefined : baseGet(object, path); - return result === undefined ? defaultValue : result; - } - - /** - * Checks if `path` is a direct property of `object`. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The object to query. - * @param {Array|string} path The path to check. - * @returns {boolean} Returns `true` if `path` exists, else `false`. - * @example - * - * var object = { 'a': { 'b': 2 } }; - * var other = _.create({ 'a': _.create({ 'b': 2 }) }); - * - * _.has(object, 'a'); - * // => true - * - * _.has(object, 'a.b'); - * // => true - * - * _.has(object, ['a', 'b']); - * // => true - * - * _.has(other, 'a'); - * // => false - */ - function has(object, path) { - return object != null && hasPath(object, path, baseHas); - } - - /** - * Checks if `path` is a direct or inherited property of `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The object to query. - * @param {Array|string} path The path to check. - * @returns {boolean} Returns `true` if `path` exists, else `false`. - * @example - * - * var object = _.create({ 'a': _.create({ 'b': 2 }) }); - * - * _.hasIn(object, 'a'); - * // => true - * - * _.hasIn(object, 'a.b'); - * // => true - * - * _.hasIn(object, ['a', 'b']); - * // => true - * - * _.hasIn(object, 'b'); - * // => false - */ - function hasIn(object, path) { - return object != null && hasPath(object, path, baseHasIn); - } - - /** - * Creates an object composed of the inverted keys and values of `object`. - * If `object` contains duplicate values, subsequent values overwrite - * property assignments of previous values. - * - * @static - * @memberOf _ - * @since 0.7.0 - * @category Object - * @param {Object} object The object to invert. - * @returns {Object} Returns the new inverted object. - * @example - * - * var object = { 'a': 1, 'b': 2, 'c': 1 }; - * - * _.invert(object); - * // => { '1': 'c', '2': 'b' } - */ - var invert = createInverter(function(result, value, key) { - result[value] = key; - }, constant(identity)); - - /** - * This method is like `_.invert` except that the inverted object is generated - * from the results of running each element of `object` thru `iteratee`. The - * corresponding inverted value of each inverted key is an array of keys - * responsible for generating the inverted value. The iteratee is invoked - * with one argument: (value). - * - * @static - * @memberOf _ - * @since 4.1.0 - * @category Object - * @param {Object} object The object to invert. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The iteratee invoked per element. - * @returns {Object} Returns the new inverted object. - * @example - * - * var object = { 'a': 1, 'b': 2, 'c': 1 }; - * - * _.invertBy(object); - * // => { '1': ['a', 'c'], '2': ['b'] } - * - * _.invertBy(object, function(value) { - * return 'group' + value; - * }); - * // => { 'group1': ['a', 'c'], 'group2': ['b'] } - */ - var invertBy = createInverter(function(result, value, key) { - if (hasOwnProperty.call(result, value)) { - result[value].push(key); - } else { - result[value] = [key]; - } - }, getIteratee); - - /** - * Invokes the method at `path` of `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The object to query. - * @param {Array|string} path The path of the method to invoke. - * @param {...*} [args] The arguments to invoke the method with. - * @returns {*} Returns the result of the invoked method. - * @example - * - * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] }; - * - * _.invoke(object, 'a[0].b.c.slice', 1, 3); - * // => [2, 3] - */ - var invoke = rest(baseInvoke); - - /** - * 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-262/6.0/#sec-object.keys) - * for more details. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The object to query. - * @returns {Array} Returns the array of property names. - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.keys(new Foo); - * // => ['a', 'b'] (iteration order is not guaranteed) - * - * _.keys('hi'); - * // => ['0', '1'] - */ - function keys(object) { - var isProto = isPrototype(object); - if (!(isProto || isArrayLike(object))) { - return baseKeys(object); - } - var indexes = indexKeys(object), - skipIndexes = !!indexes, - result = indexes || [], - length = result.length; - - for (var key in object) { - if (baseHas(object, key) && - !(skipIndexes && (key == 'length' || isIndex(key, length))) && - !(isProto && key == 'constructor')) { - result.push(key); - } - } - return result; - } - - /** - * 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) { - var index = -1, - isProto = isPrototype(object), - props = baseKeysIn(object), - propsLength = props.length, - indexes = indexKeys(object), - skipIndexes = !!indexes, - result = indexes || [], - length = result.length; - - while (++index < propsLength) { - var key = props[index]; - if (!(skipIndexes && (key == 'length' || isIndex(key, length))) && - !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { - result.push(key); - } - } - return result; - } - - /** - * The opposite of `_.mapValues`; this method creates an object with the - * same values as `object` and keys generated by running each own enumerable - * string keyed property of `object` thru `iteratee`. The iteratee is invoked - * with three arguments: (value, key, object). - * - * @static - * @memberOf _ - * @since 3.8.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @returns {Object} Returns the new mapped object. - * @see _.mapValues - * @example - * - * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { - * return key + value; - * }); - * // => { 'a1': 1, 'b2': 2 } - */ - function mapKeys(object, iteratee) { - var result = {}; - iteratee = getIteratee(iteratee, 3); - - baseForOwn(object, function(value, key, object) { - result[iteratee(value, key, object)] = value; - }); - return result; - } - - /** - * Creates an object with the same keys as `object` and values generated - * by running each own enumerable string keyed property of `object` thru - * `iteratee`. The iteratee is invoked with three arguments: - * (value, key, object). - * - * @static - * @memberOf _ - * @since 2.4.0 - * @category Object - * @param {Object} object The object to iterate over. - * @param {Array|Function|Object|string} [iteratee=_.identity] - * The function invoked per iteration. - * @returns {Object} Returns the new mapped object. - * @see _.mapKeys - * @example - * - * var users = { - * 'fred': { 'user': 'fred', 'age': 40 }, - * 'pebbles': { 'user': 'pebbles', 'age': 1 } - * }; - * - * _.mapValues(users, function(o) { return o.age; }); - * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) - * - * // The `_.property` iteratee shorthand. - * _.mapValues(users, 'age'); - * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) - */ - function mapValues(object, iteratee) { - var result = {}; - iteratee = getIteratee(iteratee, 3); - - baseForOwn(object, function(value, key, object) { - result[key] = iteratee(value, key, object); - }); - return result; - } - - /** - * This method is like `_.assign` except that it recursively merges own and - * inherited enumerable string keyed properties of source objects into the - * destination object. Source properties that resolve to `undefined` are - * skipped if a destination value exists. Array and plain object properties - * are merged recursively. Other objects and value types are overridden by - * assignment. Source objects are applied from left to right. Subsequent - * sources overwrite property assignments of previous sources. - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 0.5.0 - * @category Object - * @param {Object} object The destination object. - * @param {...Object} [sources] The source objects. - * @returns {Object} Returns `object`. - * @example - * - * var users = { - * 'data': [{ 'user': 'barney' }, { 'user': 'fred' }] - * }; - * - * var ages = { - * 'data': [{ 'age': 36 }, { 'age': 40 }] - * }; - * - * _.merge(users, ages); - * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] } - */ - var merge = createAssigner(function(object, source, srcIndex) { - baseMerge(object, source, srcIndex); - }); - - /** - * This method is like `_.merge` except that it accepts `customizer` which - * is invoked to produce the merged values of the destination and source - * properties. If `customizer` returns `undefined`, merging is handled by the - * method instead. The `customizer` is invoked with seven arguments: - * (objValue, srcValue, key, object, source, stack). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The destination object. - * @param {...Object} sources The source objects. - * @param {Function} customizer The function to customize assigned values. - * @returns {Object} Returns `object`. - * @example - * - * function customizer(objValue, srcValue) { - * if (_.isArray(objValue)) { - * return objValue.concat(srcValue); - * } - * } - * - * var object = { - * 'fruits': ['apple'], - * 'vegetables': ['beet'] - * }; - * - * var other = { - * 'fruits': ['banana'], - * 'vegetables': ['carrot'] - * }; - * - * _.mergeWith(object, other, customizer); - * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] } - */ - var mergeWith = createAssigner(function(object, source, srcIndex, customizer) { - baseMerge(object, source, srcIndex, customizer); - }); - - /** - * The opposite of `_.pick`; this method creates an object composed of the - * own and inherited enumerable string keyed properties of `object` that are - * not omitted. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The source object. - * @param {...(string|string[])} [props] The property identifiers to omit. - * @returns {Object} Returns the new object. - * @example - * - * var object = { 'a': 1, 'b': '2', 'c': 3 }; - * - * _.omit(object, ['a', 'c']); - * // => { 'b': '2' } - */ - var omit = rest(function(object, props) { - if (object == null) { - return {}; - } - props = arrayMap(baseFlatten(props, 1), toKey); - return basePick(object, baseDifference(getAllKeysIn(object), props)); - }); - - /** - * The opposite of `_.pickBy`; this method creates an object composed of - * the own and inherited enumerable string keyed properties of `object` that - * `predicate` doesn't return truthy for. The predicate is invoked with two - * arguments: (value, key). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The source object. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per property. - * @returns {Object} Returns the new object. - * @example - * - * var object = { 'a': 1, 'b': '2', 'c': 3 }; - * - * _.omitBy(object, _.isNumber); - * // => { 'b': '2' } - */ - function omitBy(object, predicate) { - predicate = getIteratee(predicate); - return basePickBy(object, function(value, key) { - return !predicate(value, key); - }); - } - - /** - * Creates an object composed of the picked `object` properties. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The source object. - * @param {...(string|string[])} [props] The property identifiers to pick. - * @returns {Object} Returns the new object. - * @example - * - * var object = { 'a': 1, 'b': '2', 'c': 3 }; - * - * _.pick(object, ['a', 'c']); - * // => { 'a': 1, 'c': 3 } - */ - var pick = rest(function(object, props) { - return object == null ? {} : basePick(object, arrayMap(baseFlatten(props, 1), toKey)); - }); - - /** - * Creates an object composed of the `object` properties `predicate` returns - * truthy for. The predicate is invoked with two arguments: (value, key). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The source object. - * @param {Array|Function|Object|string} [predicate=_.identity] - * The function invoked per property. - * @returns {Object} Returns the new object. - * @example - * - * var object = { 'a': 1, 'b': '2', 'c': 3 }; - * - * _.pickBy(object, _.isNumber); - * // => { 'a': 1, 'c': 3 } - */ - function pickBy(object, predicate) { - return object == null ? {} : basePickBy(object, getIteratee(predicate)); - } - - /** - * This method is like `_.get` except that if the resolved value is a - * function it's invoked with the `this` binding of its parent object and - * its result is returned. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The object to query. - * @param {Array|string} path The path of the property to resolve. - * @param {*} [defaultValue] The value returned for `undefined` resolved values. - * @returns {*} Returns the resolved value. - * @example - * - * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] }; - * - * _.result(object, 'a[0].b.c1'); - * // => 3 - * - * _.result(object, 'a[0].b.c2'); - * // => 4 - * - * _.result(object, 'a[0].b.c3', 'default'); - * // => 'default' - * - * _.result(object, 'a[0].b.c3', _.constant('default')); - * // => 'default' - */ - function result(object, path, defaultValue) { - path = isKey(path, object) ? [path] : castPath(path); - - var index = -1, - length = path.length; - - // Ensure the loop is entered when path is empty. - if (!length) { - object = undefined; - length = 1; - } - while (++index < length) { - var value = object == null ? undefined : object[toKey(path[index])]; - if (value === undefined) { - index = length; - value = defaultValue; - } - object = isFunction(value) ? value.call(object) : value; - } - return object; - } - - /** - * Sets the value at `path` of `object`. If a portion of `path` doesn't exist, - * it's created. Arrays are created for missing index properties while objects - * are created for all other missing properties. Use `_.setWith` to customize - * `path` creation. - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 3.7.0 - * @category Object - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to set. - * @param {*} value The value to set. - * @returns {Object} Returns `object`. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 3 } }] }; - * - * _.set(object, 'a[0].b.c', 4); - * console.log(object.a[0].b.c); - * // => 4 - * - * _.set(object, ['x', '0', 'y', 'z'], 5); - * console.log(object.x[0].y.z); - * // => 5 - */ - function set(object, path, value) { - return object == null ? object : baseSet(object, path, value); - } - - /** - * This method is like `_.set` except that it accepts `customizer` which is - * invoked to produce the objects of `path`. If `customizer` returns `undefined` - * path creation is handled by the method instead. The `customizer` is invoked - * with three arguments: (nsValue, key, nsObject). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to set. - * @param {*} value The value to set. - * @param {Function} [customizer] The function to customize assigned values. - * @returns {Object} Returns `object`. - * @example - * - * var object = {}; - * - * _.setWith(object, '[0][1]', 'a', Object); - * // => { '0': { '1': 'a' } } - */ - function setWith(object, path, value, customizer) { - customizer = typeof customizer == 'function' ? customizer : undefined; - return object == null ? object : baseSet(object, path, value, customizer); - } - - /** - * Creates an array of own enumerable string keyed-value pairs for `object` - * which can be consumed by `_.fromPairs`. If `object` is a map or set, its - * entries are returned. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @alias entries - * @category Object - * @param {Object} object The object to query. - * @returns {Array} Returns the key-value pairs. - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.toPairs(new Foo); - * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed) - */ - var toPairs = createToPairs(keys); - - /** - * Creates an array of own and inherited enumerable string keyed-value pairs - * for `object` which can be consumed by `_.fromPairs`. If `object` is a map - * or set, its entries are returned. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @alias entriesIn - * @category Object - * @param {Object} object The object to query. - * @returns {Array} Returns the key-value pairs. - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.toPairsIn(new Foo); - * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed) - */ - var toPairsIn = createToPairs(keysIn); - - /** - * An alternative to `_.reduce`; this method transforms `object` to a new - * `accumulator` object which is the result of running each of its own - * enumerable string keyed properties thru `iteratee`, with each invocation - * potentially mutating the `accumulator` object. The iteratee is invoked - * with four arguments: (accumulator, value, key, object). Iteratee functions - * may exit iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @since 1.3.0 - * @category Object - * @param {Array|Object} object The object to iterate over. - * @param {Function} [iteratee=_.identity] The function invoked per iteration. - * @param {*} [accumulator] The custom accumulator value. - * @returns {*} Returns the accumulated value. - * @example - * - * _.transform([2, 3, 4], function(result, n) { - * result.push(n *= n); - * return n % 2 == 0; - * }, []); - * // => [4, 9] - * - * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { - * (result[value] || (result[value] = [])).push(key); - * }, {}); - * // => { '1': ['a', 'c'], '2': ['b'] } - */ - function transform(object, iteratee, accumulator) { - var isArr = isArray(object) || isTypedArray(object); - iteratee = getIteratee(iteratee, 4); - - if (accumulator == null) { - if (isArr || isObject(object)) { - var Ctor = object.constructor; - if (isArr) { - accumulator = isArray(object) ? new Ctor : []; - } else { - accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {}; - } - } else { - accumulator = {}; - } - } - (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) { - return iteratee(accumulator, value, index, object); - }); - return accumulator; - } - - /** - * Removes the property at `path` of `object`. - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Object - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to unset. - * @returns {boolean} Returns `true` if the property is deleted, else `false`. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 7 } }] }; - * _.unset(object, 'a[0].b.c'); - * // => true - * - * console.log(object); - * // => { 'a': [{ 'b': {} }] }; - * - * _.unset(object, ['a', '0', 'b', 'c']); - * // => true - * - * console.log(object); - * // => { 'a': [{ 'b': {} }] }; - */ - function unset(object, path) { - return object == null ? true : baseUnset(object, path); - } - - /** - * This method is like `_.set` except that accepts `updater` to produce the - * value to set. Use `_.updateWith` to customize `path` creation. The `updater` - * is invoked with one argument: (value). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.6.0 - * @category Object - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to set. - * @param {Function} updater The function to produce the updated value. - * @returns {Object} Returns `object`. - * @example - * - * var object = { 'a': [{ 'b': { 'c': 3 } }] }; - * - * _.update(object, 'a[0].b.c', function(n) { return n * n; }); - * console.log(object.a[0].b.c); - * // => 9 - * - * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; }); - * console.log(object.x[0].y.z); - * // => 0 - */ - function update(object, path, updater) { - return object == null ? object : baseUpdate(object, path, castFunction(updater)); - } - - /** - * This method is like `_.update` except that it accepts `customizer` which is - * invoked to produce the objects of `path`. If `customizer` returns `undefined` - * path creation is handled by the method instead. The `customizer` is invoked - * with three arguments: (nsValue, key, nsObject). - * - * **Note:** This method mutates `object`. - * - * @static - * @memberOf _ - * @since 4.6.0 - * @category Object - * @param {Object} object The object to modify. - * @param {Array|string} path The path of the property to set. - * @param {Function} updater The function to produce the updated value. - * @param {Function} [customizer] The function to customize assigned values. - * @returns {Object} Returns `object`. - * @example - * - * var object = {}; - * - * _.updateWith(object, '[0][1]', _.constant('a'), Object); - * // => { '0': { '1': 'a' } } - */ - function updateWith(object, path, updater, customizer) { - customizer = typeof customizer == 'function' ? customizer : undefined; - return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer); - } - - /** - * Creates an array of the own enumerable string keyed property values of `object`. - * - * **Note:** Non-object values are coerced to objects. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category Object - * @param {Object} object The object to query. - * @returns {Array} Returns the array of property values. - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.values(new Foo); - * // => [1, 2] (iteration order is not guaranteed) - * - * _.values('hi'); - * // => ['h', 'i'] - */ - function values(object) { - return object ? baseValues(object, keys(object)) : []; - } - - /** - * Creates an array of the own and inherited enumerable string keyed property - * values 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 values. - * @example - * - * function Foo() { - * this.a = 1; - * this.b = 2; - * } - * - * Foo.prototype.c = 3; - * - * _.valuesIn(new Foo); - * // => [1, 2, 3] (iteration order is not guaranteed) - */ - function valuesIn(object) { - return object == null ? [] : baseValues(object, keysIn(object)); - } - - /*------------------------------------------------------------------------*/ - - /** - * Clamps `number` within the inclusive `lower` and `upper` bounds. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category Number - * @param {number} number The number to clamp. - * @param {number} [lower] The lower bound. - * @param {number} upper The upper bound. - * @returns {number} Returns the clamped number. - * @example - * - * _.clamp(-10, -5, 5); - * // => -5 - * - * _.clamp(10, -5, 5); - * // => 5 - */ - function clamp(number, lower, upper) { - if (upper === undefined) { - upper = lower; - lower = undefined; - } - if (upper !== undefined) { - upper = toNumber(upper); - upper = upper === upper ? upper : 0; - } - if (lower !== undefined) { - lower = toNumber(lower); - lower = lower === lower ? lower : 0; - } - return baseClamp(toNumber(number), lower, upper); - } - - /** - * Checks if `n` is between `start` and up to, but not including, `end`. If - * `end` is not specified, it's set to `start` with `start` then set to `0`. - * If `start` is greater than `end` the params are swapped to support - * negative ranges. - * - * @static - * @memberOf _ - * @since 3.3.0 - * @category Number - * @param {number} number The number to check. - * @param {number} [start=0] The start of the range. - * @param {number} end The end of the range. - * @returns {boolean} Returns `true` if `number` is in the range, else `false`. - * @see _.range, _.rangeRight - * @example - * - * _.inRange(3, 2, 4); - * // => true - * - * _.inRange(4, 8); - * // => true - * - * _.inRange(4, 2); - * // => false - * - * _.inRange(2, 2); - * // => false - * - * _.inRange(1.2, 2); - * // => true - * - * _.inRange(5.2, 4); - * // => false - * - * _.inRange(-3, -2, -6); - * // => true - */ - function inRange(number, start, end) { - start = toNumber(start) || 0; - if (end === undefined) { - end = start; - start = 0; - } else { - end = toNumber(end) || 0; - } - number = toNumber(number); - return baseInRange(number, start, end); - } - - /** - * Produces a random number between the inclusive `lower` and `upper` bounds. - * If only one argument is provided a number between `0` and the given number - * is returned. If `floating` is `true`, or either `lower` or `upper` are - * floats, a floating-point number is returned instead of an integer. - * - * **Note:** JavaScript follows the IEEE-754 standard for resolving - * floating-point values which can produce unexpected results. - * - * @static - * @memberOf _ - * @since 0.7.0 - * @category Number - * @param {number} [lower=0] The lower bound. - * @param {number} [upper=1] The upper bound. - * @param {boolean} [floating] Specify returning a floating-point number. - * @returns {number} Returns the random number. - * @example - * - * _.random(0, 5); - * // => an integer between 0 and 5 - * - * _.random(5); - * // => also an integer between 0 and 5 - * - * _.random(5, true); - * // => a floating-point number between 0 and 5 - * - * _.random(1.2, 5.2); - * // => a floating-point number between 1.2 and 5.2 - */ - function random(lower, upper, floating) { - if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) { - upper = floating = undefined; - } - if (floating === undefined) { - if (typeof upper == 'boolean') { - floating = upper; - upper = undefined; - } - else if (typeof lower == 'boolean') { - floating = lower; - lower = undefined; - } - } - if (lower === undefined && upper === undefined) { - lower = 0; - upper = 1; - } - else { - lower = toNumber(lower) || 0; - if (upper === undefined) { - upper = lower; - lower = 0; - } else { - upper = toNumber(upper) || 0; - } - } - if (lower > upper) { - var temp = lower; - lower = upper; - upper = temp; - } - if (floating || lower % 1 || upper % 1) { - var rand = nativeRandom(); - return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper); - } - return baseRandom(lower, upper); - } - - /*------------------------------------------------------------------------*/ - - /** - * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the camel cased string. - * @example - * - * _.camelCase('Foo Bar'); - * // => 'fooBar' - * - * _.camelCase('--foo-bar--'); - * // => 'fooBar' - * - * _.camelCase('__FOO_BAR__'); - * // => 'fooBar' - */ - var camelCase = createCompounder(function(result, word, index) { - word = word.toLowerCase(); - return result + (index ? capitalize(word) : word); - }); - - /** - * Converts the first character of `string` to upper case and the remaining - * to lower case. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to capitalize. - * @returns {string} Returns the capitalized string. - * @example - * - * _.capitalize('FRED'); - * // => 'Fred' - */ - function capitalize(string) { - return upperFirst(toString(string).toLowerCase()); - } - - /** - * Deburrs `string` by converting - * [latin-1 supplementary letters](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) - * to basic latin letters and removing - * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to deburr. - * @returns {string} Returns the deburred string. - * @example - * - * _.deburr('déjà vu'); - * // => 'deja vu' - */ - function deburr(string) { - string = toString(string); - return string && string.replace(reLatin1, deburrLetter).replace(reComboMark, ''); - } - - /** - * Checks if `string` ends with the given target string. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to search. - * @param {string} [target] The string to search for. - * @param {number} [position=string.length] The position to search from. - * @returns {boolean} Returns `true` if `string` ends with `target`, - * else `false`. - * @example - * - * _.endsWith('abc', 'c'); - * // => true - * - * _.endsWith('abc', 'b'); - * // => false - * - * _.endsWith('abc', 'b', 2); - * // => true - */ - function endsWith(string, target, position) { - string = toString(string); - target = baseToString(target); - - var length = string.length; - position = position === undefined - ? length - : baseClamp(toInteger(position), 0, length); - - position -= target.length; - return position >= 0 && string.indexOf(target, position) == position; - } - - /** - * Converts the characters "&", "<", ">", '"', "'", and "\`" in `string` to - * their corresponding HTML entities. - * - * **Note:** No other characters are escaped. To escape additional - * characters use a third-party library like [_he_](https://mths.be/he). - * - * Though the ">" character is escaped for symmetry, characters like - * ">" and "/" don't need escaping in HTML and have no special meaning - * unless they're part of a tag or unquoted attribute value. See - * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands) - * (under "semi-related fun fact") for more details. - * - * Backticks are escaped because in IE < 9, they can break out of - * attribute values or HTML comments. See [#59](https://html5sec.org/#59), - * [#102](https://html5sec.org/#102), [#108](https://html5sec.org/#108), and - * [#133](https://html5sec.org/#133) of the - * [HTML5 Security Cheatsheet](https://html5sec.org/) for more details. - * - * When working with HTML you should always - * [quote attribute values](http://wonko.com/post/html-escaping) to reduce - * XSS vectors. - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category String - * @param {string} [string=''] The string to escape. - * @returns {string} Returns the escaped string. - * @example - * - * _.escape('fred, barney, & pebbles'); - * // => 'fred, barney, & pebbles' - */ - function escape(string) { - string = toString(string); - return (string && reHasUnescapedHtml.test(string)) - ? string.replace(reUnescapedHtml, escapeHtmlChar) - : string; - } - - /** - * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+", - * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to escape. - * @returns {string} Returns the escaped string. - * @example - * - * _.escapeRegExp('[lodash](https://lodash.com/)'); - * // => '\[lodash\]\(https://lodash\.com/\)' - */ - function escapeRegExp(string) { - string = toString(string); - return (string && reHasRegExpChar.test(string)) - ? string.replace(reRegExpChar, '\\$&') - : string; - } - - /** - * Converts `string` to - * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the kebab cased string. - * @example - * - * _.kebabCase('Foo Bar'); - * // => 'foo-bar' - * - * _.kebabCase('fooBar'); - * // => 'foo-bar' - * - * _.kebabCase('__FOO_BAR__'); - * // => 'foo-bar' - */ - var kebabCase = createCompounder(function(result, word, index) { - return result + (index ? '-' : '') + word.toLowerCase(); - }); - - /** - * Converts `string`, as space separated words, to lower case. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the lower cased string. - * @example - * - * _.lowerCase('--Foo-Bar--'); - * // => 'foo bar' - * - * _.lowerCase('fooBar'); - * // => 'foo bar' - * - * _.lowerCase('__FOO_BAR__'); - * // => 'foo bar' - */ - var lowerCase = createCompounder(function(result, word, index) { - return result + (index ? ' ' : '') + word.toLowerCase(); - }); - - /** - * Converts the first character of `string` to lower case. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the converted string. - * @example - * - * _.lowerFirst('Fred'); - * // => 'fred' - * - * _.lowerFirst('FRED'); - * // => 'fRED' - */ - var lowerFirst = createCaseFirst('toLowerCase'); - - /** - * Pads `string` on the left and right sides if it's shorter than `length`. - * Padding characters are truncated if they can't be evenly divided by `length`. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to pad. - * @param {number} [length=0] The padding length. - * @param {string} [chars=' '] The string used as padding. - * @returns {string} Returns the padded string. - * @example - * - * _.pad('abc', 8); - * // => ' abc ' - * - * _.pad('abc', 8, '_-'); - * // => '_-abc_-_' - * - * _.pad('abc', 3); - * // => 'abc' - */ - function pad(string, length, chars) { - string = toString(string); - length = toInteger(length); - - var strLength = length ? stringSize(string) : 0; - if (!length || strLength >= length) { - return string; - } - var mid = (length - strLength) / 2; - return ( - createPadding(nativeFloor(mid), chars) + - string + - createPadding(nativeCeil(mid), chars) - ); - } - - /** - * Pads `string` on the right side if it's shorter than `length`. Padding - * characters are truncated if they exceed `length`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to pad. - * @param {number} [length=0] The padding length. - * @param {string} [chars=' '] The string used as padding. - * @returns {string} Returns the padded string. - * @example - * - * _.padEnd('abc', 6); - * // => 'abc ' - * - * _.padEnd('abc', 6, '_-'); - * // => 'abc_-_' - * - * _.padEnd('abc', 3); - * // => 'abc' - */ - function padEnd(string, length, chars) { - string = toString(string); - length = toInteger(length); - - var strLength = length ? stringSize(string) : 0; - return (length && strLength < length) - ? (string + createPadding(length - strLength, chars)) - : string; - } - - /** - * Pads `string` on the left side if it's shorter than `length`. Padding - * characters are truncated if they exceed `length`. - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to pad. - * @param {number} [length=0] The padding length. - * @param {string} [chars=' '] The string used as padding. - * @returns {string} Returns the padded string. - * @example - * - * _.padStart('abc', 6); - * // => ' abc' - * - * _.padStart('abc', 6, '_-'); - * // => '_-_abc' - * - * _.padStart('abc', 3); - * // => 'abc' - */ - function padStart(string, length, chars) { - string = toString(string); - length = toInteger(length); - - var strLength = length ? stringSize(string) : 0; - return (length && strLength < length) - ? (createPadding(length - strLength, chars) + string) - : string; - } - - /** - * Converts `string` to an integer of the specified radix. If `radix` is - * `undefined` or `0`, a `radix` of `10` is used unless `value` is a - * hexadecimal, in which case a `radix` of `16` is used. - * - * **Note:** This method aligns with the - * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`. - * - * @static - * @memberOf _ - * @since 1.1.0 - * @category String - * @param {string} string The string to convert. - * @param {number} [radix=10] The radix to interpret `value` by. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {number} Returns the converted integer. - * @example - * - * _.parseInt('08'); - * // => 8 - * - * _.map(['6', '08', '10'], _.parseInt); - * // => [6, 8, 10] - */ - function parseInt(string, radix, guard) { - // Chrome fails to trim leading whitespace characters. - // See https://bugs.chromium.org/p/v8/issues/detail?id=3109 for more details. - if (guard || radix == null) { - radix = 0; - } else if (radix) { - radix = +radix; - } - string = toString(string).replace(reTrim, ''); - return nativeParseInt(string, radix || (reHasHexPrefix.test(string) ? 16 : 10)); - } - - /** - * Repeats the given string `n` times. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to repeat. - * @param {number} [n=1] The number of times to repeat the string. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {string} Returns the repeated string. - * @example - * - * _.repeat('*', 3); - * // => '***' - * - * _.repeat('abc', 2); - * // => 'abcabc' - * - * _.repeat('abc', 0); - * // => '' - */ - function repeat(string, n, guard) { - if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) { - n = 1; - } else { - n = toInteger(n); - } - return baseRepeat(toString(string), n); - } - - /** - * Replaces matches for `pattern` in `string` with `replacement`. - * - * **Note:** This method is based on - * [`String#replace`](https://mdn.io/String/replace). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to modify. - * @param {RegExp|string} pattern The pattern to replace. - * @param {Function|string} replacement The match replacement. - * @returns {string} Returns the modified string. - * @example - * - * _.replace('Hi Fred', 'Fred', 'Barney'); - * // => 'Hi Barney' - */ - function replace() { - var args = arguments, - string = toString(args[0]); - - return args.length < 3 ? string : nativeReplace.call(string, args[1], args[2]); - } - - /** - * Converts `string` to - * [snake case](https://en.wikipedia.org/wiki/Snake_case). - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the snake cased string. - * @example - * - * _.snakeCase('Foo Bar'); - * // => 'foo_bar' - * - * _.snakeCase('fooBar'); - * // => 'foo_bar' - * - * _.snakeCase('--FOO-BAR--'); - * // => 'foo_bar' - */ - var snakeCase = createCompounder(function(result, word, index) { - return result + (index ? '_' : '') + word.toLowerCase(); - }); - - /** - * Splits `string` by `separator`. - * - * **Note:** This method is based on - * [`String#split`](https://mdn.io/String/split). - * - * @static - * @memberOf _ - * @since 4.0.0 - * @category String - * @param {string} [string=''] The string to split. - * @param {RegExp|string} separator The separator pattern to split by. - * @param {number} [limit] The length to truncate results to. - * @returns {Array} Returns the string segments. - * @example - * - * _.split('a-b-c', '-', 2); - * // => ['a', 'b'] - */ - function split(string, separator, limit) { - if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) { - separator = limit = undefined; - } - limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0; - if (!limit) { - return []; - } - string = toString(string); - if (string && ( - typeof separator == 'string' || - (separator != null && !isRegExp(separator)) - )) { - separator = baseToString(separator); - if (separator == '' && reHasComplexSymbol.test(string)) { - return castSlice(stringToArray(string), 0, limit); - } - } - return nativeSplit.call(string, separator, limit); - } - - /** - * Converts `string` to - * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage). - * - * @static - * @memberOf _ - * @since 3.1.0 - * @category String - * @param {string} [string=''] The string to convert. - * @returns {string} Returns the start cased string. - * @example - * - * _.startCase('--foo-bar--'); - * // => 'Foo Bar' - * - * _.startCase('fooBar'); - * // => 'Foo Bar' - * - * _.startCase('__FOO_BAR__'); - * // => 'FOO BAR' - */ - var startCase = createCompounder(function(result, word, index) { - return result + (index ? ' ' : '') + upperFirst(word); - }); - - /** - * Checks if `string` starts with the given target string. - * - * @static - * @memberOf _ - * @since 3.0.0 - * @category String - * @param {string} [string=''] The string to search. - * @param {string} [target] The string to search for. - * @param {number} [position=0] The position to search from. - * @returns {boolean} Returns `true` if `string` starts with `target`, - * else `false`. - * @example - * - * _.startsWith('abc', 'a'); - * // => true - * - * _.startsWith('abc', 'b'); - * // => false - * - * _.startsWith('abc', 'b', 1); - * // => true - */ - function startsWith(string, target, position) { - string = toString(string); - position = baseClamp(toInteger(position), 0, string.length); - return string.lastIndexOf(baseToString(target), position) == position; - } - - /** - * Creates a compiled template function that can interpolate data properties - * in "interpolate" delimiters, HTML-escape interpolated data properties in - * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data - * properties may be accessed as free variables in the template. If a setting - * object is given, it takes precedence over `_.templateSettings` values. - * - * **Note:** In the development build `_.template` utilizes - * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) - * for easier debugging. - * - * For more information on precompiling templates see - * [lodash's custom builds documentation](https://lodash.com/custom-builds). - * - * For more information on Chrome extension sandboxes see - * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval). - * - * @static - * @since 0.1.0 - * @memberOf _ - * @category String - * @param {string} [string=''] The template string. - * @param {Object} [options={}] The options object. - * @param {RegExp} [options.escape=_.templateSettings.escape] - * The HTML "escape" delimiter. - * @param {RegExp} [options.evaluate=_.templateSettings.evaluate] - * The "evaluate" delimiter. - * @param {Object} [options.imports=_.templateSettings.imports] - * An object to import into the template as free variables. - * @param {RegExp} [options.interpolate=_.templateSettings.interpolate] - * The "interpolate" delimiter. - * @param {string} [options.sourceURL='lodash.templateSources[n]'] - * The sourceURL of the compiled template. - * @param {string} [options.variable='obj'] - * The data object variable name. - * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. - * @returns {Function} Returns the compiled template function. - * @example - * - * // Use the "interpolate" delimiter to create a compiled template. - * var compiled = _.template('hello <%= user %>!'); - * compiled({ 'user': 'fred' }); - * // => 'hello fred!' - * - * // Use the HTML "escape" delimiter to escape data property values. - * var compiled = _.template('<%- value %>'); - * compiled({ 'value': '