/**
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* lodash (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright jQuery Foundation and other contributors <https://jquery.org/>
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* Released under MIT license <https://lodash.com/license>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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*/
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/** Used as references for various `Number` constants. */
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var INFINITY = 1 / 0;
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/** `Object#toString` result references. */
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var symbolTag = '[object Symbol]';
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/** Used to match words composed of alphanumeric characters. */
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var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
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/** Used to match Latin Unicode letters (excluding mathematical operators). */
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var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
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/** Used to compose unicode character classes. */
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var rsAstralRange = '\\ud800-\\udfff',
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rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
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rsComboSymbolsRange = '\\u20d0-\\u20f0',
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rsDingbatRange = '\\u2700-\\u27bf',
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rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
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rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
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rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
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rsPunctuationRange = '\\u2000-\\u206f',
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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',
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rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
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rsVarRange = '\\ufe0e\\ufe0f',
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rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
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/** Used to compose unicode capture groups. */
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var rsApos = "['\u2019]",
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rsBreak = '[' + rsBreakRange + ']',
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rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
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rsDigits = '\\d+',
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rsDingbat = '[' + rsDingbatRange + ']',
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rsLower = '[' + rsLowerRange + ']',
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rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
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rsFitz = '\\ud83c[\\udffb-\\udfff]',
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rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
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rsNonAstral = '[^' + rsAstralRange + ']',
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rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
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rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
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rsUpper = '[' + rsUpperRange + ']',
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rsZWJ = '\\u200d';
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/** Used to compose unicode regexes. */
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var rsLowerMisc = '(?:' + rsLower + '|' + rsMisc + ')',
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rsUpperMisc = '(?:' + rsUpper + '|' + rsMisc + ')',
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rsOptLowerContr = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
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rsOptUpperContr = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
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reOptMod = rsModifier + '?',
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rsOptVar = '[' + rsVarRange + ']?',
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rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
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rsSeq = rsOptVar + reOptMod + rsOptJoin,
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rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq;
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/** Used to match apostrophes. */
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var reApos = RegExp(rsApos, 'g');
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/**
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* Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
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* [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
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*/
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var reComboMark = RegExp(rsCombo, 'g');
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/** Used to match complex or compound words. */
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var reUnicodeWord = RegExp([
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rsUpper + '?' + rsLower + '+' + rsOptLowerContr + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
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rsUpperMisc + '+' + rsOptUpperContr + '(?=' + [rsBreak, rsUpper + rsLowerMisc, '$'].join('|') + ')',
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rsUpper + '?' + rsLowerMisc + '+' + rsOptLowerContr,
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rsUpper + '+' + rsOptUpperContr,
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rsDigits,
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rsEmoji
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].join('|'), 'g');
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/** Used to detect strings that need a more robust regexp to match words. */
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var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
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/** Used to map Latin Unicode letters to basic Latin letters. */
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var deburredLetters = {
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// Latin-1 Supplement block.
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'\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
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'\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
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'\xc7': 'C', '\xe7': 'c',
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'\xd0': 'D', '\xf0': 'd',
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'\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
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'\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
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'\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
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'\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i',
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'\xd1': 'N', '\xf1': 'n',
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'\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
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'\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
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'\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
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'\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
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'\xdd': 'Y', '\xfd': 'y', '\xff': 'y',
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'\xc6': 'Ae', '\xe6': 'ae',
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'\xde': 'Th', '\xfe': 'th',
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'\xdf': 'ss',
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// Latin Extended-A block.
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'\u0100': 'A', '\u0102': 'A', '\u0104': 'A',
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'\u0101': 'a', '\u0103': 'a', '\u0105': 'a',
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'\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
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'\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
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'\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
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'\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
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'\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
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'\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
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'\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
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'\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
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'\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
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'\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
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'\u0134': 'J', '\u0135': 'j',
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'\u0136': 'K', '\u0137': 'k', '\u0138': 'k',
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'\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
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'\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
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'\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
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'\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
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'\u014c': 'O', '\u014e': 'O', '\u0150': 'O',
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'\u014d': 'o', '\u014f': 'o', '\u0151': 'o',
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'\u0154': 'R', '\u0156': 'R', '\u0158': 'R',
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'\u0155': 'r', '\u0157': 'r', '\u0159': 'r',
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'\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
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'\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's',
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'\u0162': 'T', '\u0164': 'T', '\u0166': 'T',
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'\u0163': 't', '\u0165': 't', '\u0167': 't',
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'\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
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'\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
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'\u0174': 'W', '\u0175': 'w',
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'\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y',
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'\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z',
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'\u017a': 'z', '\u017c': 'z', '\u017e': 'z',
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'\u0132': 'IJ', '\u0133': 'ij',
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'\u0152': 'Oe', '\u0153': 'oe',
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'\u0149': "'n", '\u017f': 'ss'
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};
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/** Detect free variable `global` from Node.js. */
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var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
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/** Detect free variable `self`. */
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var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
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/** Used as a reference to the global object. */
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var root = freeGlobal || freeSelf || Function('return this')();
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/**
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* A specialized version of `_.reduce` for arrays without support for
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* iteratee shorthands.
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*
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* @private
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* @param {Array} [array] The array to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @param {*} [accumulator] The initial value.
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* @param {boolean} [initAccum] Specify using the first element of `array` as
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* the initial value.
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* @returns {*} Returns the accumulated value.
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*/
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function arrayReduce(array, iteratee, accumulator, initAccum) {
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var index = -1,
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length = array ? array.length : 0;
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if (initAccum && length) {
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accumulator = array[++index];
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}
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while (++index < length) {
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accumulator = iteratee(accumulator, array[index], index, array);
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}
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return accumulator;
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}
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/**
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* Splits an ASCII `string` into an array of its words.
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*
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* @private
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* @param {string} The string to inspect.
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* @returns {Array} Returns the words of `string`.
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*/
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function asciiWords(string) {
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return string.match(reAsciiWord) || [];
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}
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/**
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* The base implementation of `_.propertyOf` without support for deep paths.
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*
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* @private
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* @param {Object} object The object to query.
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* @returns {Function} Returns the new accessor function.
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*/
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function basePropertyOf(object) {
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return function(key) {
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return object == null ? undefined : object[key];
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};
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}
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/**
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* Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
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* letters to basic Latin letters.
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*
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* @private
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* @param {string} letter The matched letter to deburr.
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* @returns {string} Returns the deburred letter.
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*/
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var deburrLetter = basePropertyOf(deburredLetters);
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/**
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* Checks if `string` contains a word composed of Unicode symbols.
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*
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* @private
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* @param {string} string The string to inspect.
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* @returns {boolean} Returns `true` if a word is found, else `false`.
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*/
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function hasUnicodeWord(string) {
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return reHasUnicodeWord.test(string);
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}
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/**
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* Splits a Unicode `string` into an array of its words.
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*
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* @private
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* @param {string} The string to inspect.
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* @returns {Array} Returns the words of `string`.
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*/
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function unicodeWords(string) {
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return string.match(reUnicodeWord) || [];
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}
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/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/** Built-in value references. */
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var Symbol = root.Symbol;
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/** Used to convert symbols to primitives and strings. */
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var symbolProto = Symbol ? Symbol.prototype : undefined,
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symbolToString = symbolProto ? symbolProto.toString : undefined;
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/**
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* The base implementation of `_.toString` which doesn't convert nullish
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* values to empty strings.
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*
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* @private
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* @param {*} value The value to process.
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* @returns {string} Returns the string.
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*/
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function baseToString(value) {
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// Exit early for strings to avoid a performance hit in some environments.
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if (typeof value == 'string') {
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return value;
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}
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if (isSymbol(value)) {
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return symbolToString ? symbolToString.call(value) : '';
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}
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var result = (value + '');
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return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
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}
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/**
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* Creates a function like `_.camelCase`.
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*
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* @private
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* @param {Function} callback The function to combine each word.
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* @returns {Function} Returns the new compounder function.
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*/
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function createCompounder(callback) {
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return function(string) {
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return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
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};
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}
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/**
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* Checks if `value` is object-like. A value is object-like if it's not `null`
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* and has a `typeof` result of "object".
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
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* @example
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*
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* _.isObjectLike({});
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* // => true
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*
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* _.isObjectLike([1, 2, 3]);
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* // => true
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*
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* _.isObjectLike(_.noop);
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* // => false
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*
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* _.isObjectLike(null);
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* // => false
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*/
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function isObjectLike(value) {
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return !!value && typeof value == 'object';
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}
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/**
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* Checks if `value` is classified as a `Symbol` primitive or object.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
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* @example
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*
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* _.isSymbol(Symbol.iterator);
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* // => true
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*
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* _.isSymbol('abc');
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* // => false
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*/
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function isSymbol(value) {
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return typeof value == 'symbol' ||
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(isObjectLike(value) && objectToString.call(value) == symbolTag);
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}
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/**
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* Converts `value` to a string. An empty string is returned for `null`
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* and `undefined` values. The sign of `-0` is preserved.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to process.
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* @returns {string} Returns the string.
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* @example
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*
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* _.toString(null);
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* // => ''
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*
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* _.toString(-0);
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* // => '-0'
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*
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* _.toString([1, 2, 3]);
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* // => '1,2,3'
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*/
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function toString(value) {
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return value == null ? '' : baseToString(value);
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}
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/**
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* Deburrs `string` by converting
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* [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
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* and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
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* letters to basic Latin letters and removing
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* [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
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*
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* @static
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* @memberOf _
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* @since 3.0.0
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* @category String
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* @param {string} [string=''] The string to deburr.
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* @returns {string} Returns the deburred string.
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* @example
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*
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* _.deburr('déjà vu');
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* // => 'deja vu'
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*/
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function deburr(string) {
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string = toString(string);
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return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
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}
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/**
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* Converts `string` to
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* [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
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*
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* @static
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* @memberOf _
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* @since 3.0.0
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* @category String
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* @param {string} [string=''] The string to convert.
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* @returns {string} Returns the kebab cased string.
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* @example
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*
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* _.kebabCase('Foo Bar');
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* // => 'foo-bar'
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*
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* _.kebabCase('fooBar');
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* // => 'foo-bar'
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*
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* _.kebabCase('__FOO_BAR__');
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* // => 'foo-bar'
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*/
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var kebabCase = createCompounder(function(result, word, index) {
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return result + (index ? '-' : '') + word.toLowerCase();
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});
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/**
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* Splits `string` into an array of its words.
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*
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* @static
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* @memberOf _
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* @since 3.0.0
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* @category String
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* @param {string} [string=''] The string to inspect.
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* @param {RegExp|string} [pattern] The pattern to match words.
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* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
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* @returns {Array} Returns the words of `string`.
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* @example
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*
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* _.words('fred, barney, & pebbles');
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* // => ['fred', 'barney', 'pebbles']
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*
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* _.words('fred, barney, & pebbles', /[^, ]+/g);
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* // => ['fred', 'barney', '&', 'pebbles']
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*/
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function words(string, pattern, guard) {
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string = toString(string);
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pattern = guard ? undefined : pattern;
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if (pattern === undefined) {
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return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
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}
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return string.match(pattern) || [];
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}
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module.exports = kebabCase;
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