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/**
 * @license
 * Lodash <https://lodash.com/>
 * Copyright JS Foundation and other contributors <https://js.foundation/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * 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 = '4.17.4';

  /** Used as the size to enable large array optimizations. */
  var LARGE_ARRAY_SIZE = 200;

  /** Error message constants. */
  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
      FUNC_ERROR_TEXT = 'Expected a function';

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** Used to compose bitmasks for cloning. */
  var CLONE_DEEP_FLAG = 1,
      CLONE_FLAT_FLAG = 2,
      CLONE_SYMBOLS_FLAG = 4;

  /** Used to compose bitmasks for value comparisons. */
  var COMPARE_PARTIAL_FLAG = 1,
      COMPARE_UNORDERED_FLAG = 2;

  /** Used to compose bitmasks for function metadata. */
  var WRAP_BIND_FLAG = 1,
      WRAP_BIND_KEY_FLAG = 2,
      WRAP_CURRY_BOUND_FLAG = 4,
      WRAP_CURRY_FLAG = 8,
      WRAP_CURRY_RIGHT_FLAG = 16,
      WRAP_PARTIAL_FLAG = 32,
      WRAP_PARTIAL_RIGHT_FLAG = 64,
      WRAP_ARY_FLAG = 128,
      WRAP_REARG_FLAG = 256,
      WRAP_FLIP_FLAG = 512;

  /** 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 = 800,
      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;

  /** Used to associate wrap methods with their bit flags. */
  var wrapFlags = [
    ['ary', WRAP_ARY_FLAG],
    ['bind', WRAP_BIND_FLAG],
    ['bindKey', WRAP_BIND_KEY_FLAG],
    ['curry', WRAP_CURRY_FLAG],
    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
    ['flip', WRAP_FLIP_FLAG],
    ['partial', WRAP_PARTIAL_FLAG],
    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
    ['rearg', WRAP_REARG_FLAG]
  ];

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      asyncTag = '[object AsyncFunction]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      domExcTag = '[object DOMException]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      genTag = '[object GeneratorFunction]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      nullTag = '[object Null]',
      objectTag = '[object Object]',
      promiseTag = '[object Promise]',
      proxyTag = '[object Proxy]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      symbolTag = '[object Symbol]',
      undefinedTag = '[object Undefined]',
      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);/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*$/,
      reLeadingDot = /^\./,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /**
   * Used to match `RegExp`
   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#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 wrap detail comments. */
  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
      reSplitDetails = /,? & /;

  /** Used to match words composed of alphanumeric characters. */
  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Used to match
   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
   */
  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect 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 Unicode letters (excluding mathematical operators). */
  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/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',
      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
      rsComboSymbolsRange = '\\u20d0-\\u20ff',
      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
      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 = '[' + rsComboRange + ']',
      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 rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
      reOptMod = rsModifier + '?',
      rsOptVar = '[' + rsVarRange + ']?',
      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
      rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)',
      rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
      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 reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

  /** Used to match complex or compound words. */
  var reUnicodeWord = RegExp([
    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
    rsUpper + '+' + rsOptContrUpper,
    rsOrdUpper,
    rsOrdLower,
    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 reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

  /** Used to detect strings that need a more robust regexp to match words. */
  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 ]/;

  /** Used to assign default `context` object properties. */
  var contextProps = [
    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
    'Promise', '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 Unicode letters to basic Latin letters. */
  var deburredLetters = {
    // Latin-1 Supplement block.
    '\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',
    // Latin Extended-A block.
    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
    '\u0134': 'J',  '\u0135': 'j',
    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
    '\u0174': 'W',  '\u0175': 'w',
    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
    '\u0132': 'IJ', '\u0133': 'ij',
    '\u0152': 'Oe', '\u0153': 'oe',
    '\u0149': "'n", '\u017f': 's'
  };

  /** Used to map characters to HTML entities. */
  var htmlEscapes = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  /** Used to map HTML entities to characters. */
  var htmlUnescapes = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'"
  };

  /** Used to escape characters for inclusion in compiled string literals. */
  var stringEscapes = {
    '\\': '\\',
    "'": "'",
    '\n': 'n',
    '\r': 'r',
    '\u2028': 'u2028',
    '\u2029': 'u2029'
  };

  /** Built-in method references without a dependency on `root`. */
  var freeParseFloat = parseFloat,
      freeParseInt = parseInt;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();

  /** Detect free variable `exports`. */
  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports;

  /** Detect free variable `process` from Node.js. */
  var freeProcess = moduleExports && freeGlobal.process;

  /** Used to access faster Node.js helpers. */
  var nodeUtil = (function() {
    try {
      return freeProcess && freeProcess.binding && freeProcess.binding('util');
    } catch (e) {}
  }());

  /* Node.js helper references. */
  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
      nodeIsDate = nodeUtil && nodeUtil.isDate,
      nodeIsMap = nodeUtil && nodeUtil.isMap,
      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
      nodeIsSet = nodeUtil && nodeUtil.isSet,
      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

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

  /**
   * 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's not chainable 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) {
    // Don't return `set.add` because it's not chainable in IE 11.
    set.add(value);
    return set;
  }

  /**
   * 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) {
    switch (args.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);
  }

  /**
   * 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 == null ? 0 : array.length;

    while (++index < length) {
      var value = array[index];
      setter(accumulator, value, iteratee(value), array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * 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 == null ? 0 : array.length;

    while (length--) {
      if (iteratee(array[length], length, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * 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 == null ? 0 : array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.filter` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Array} Returns the new filtered array.
   */
  function arrayFilter(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (predicate(value, index, array)) {
        result[resIndex++] = value;
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.includes` for arrays without support for
   * specifying an index to search from.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludes(array, value) {
    var length = array == null ? 0 : array.length;
    return !!length && baseIndexOf(array, value, 0) > -1;
  }

  /**
   * This function is like `arrayIncludes` except that it accepts a comparator.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @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 == null ? 0 : array.length;

    while (++index < length) {
      if (comparator(value, array[index])) {
        return true;
      }
    }
    return false;
  }

  /**
   * 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 == null ? 0 : array.length,
        result = Array(length);

    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;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  /**
   * 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 == null ? 0 : array.length;

    if (initAccum && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * 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 == null ? 0 : array.length;
    if (initAccum && length) {
      accumulator = array[--length];
    }
    while (length--) {
      accumulator = iteratee(accumulator, array[length], length, array);
    }
    return accumulator;
  }

  /**
   * 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 == null ? 0 : array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the size of an ASCII `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  var asciiSize = baseProperty('length');

  /**
   * Converts an ASCII `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function asciiToArray(string) {
    return string.split('');
  }

  /**
   * Splits an ASCII `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function asciiWords(string) {
    return string.match(reAsciiWord) || [];
  }

  /**
   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
   * without support for iteratee shorthands, which iterates over `collection`
   * using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFindKey(collection, predicate, eachFunc) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = key;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @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 value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @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) {
    return value === value
      ? strictIndexOf(array, value, fromIndex)
      : baseFindIndex(array, baseIsNaN, fromIndex);
  }

  /**
   * This function is like `baseIndexOf` except that it accepts a comparator.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @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;

    while (++index < length) {
      if (comparator(array[index], value)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isNaN` without support for number objects.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
   */
  function baseIsNaN(value) {
    return value !== value;
  }

  /**
   * 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 == null ? 0 : array.length;
    return length ? (baseSum(array, iteratee) / length) : NAN;
  }

  /**
   * 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];
    };
  }

  /**
   * The base implementation of `_.propertyOf` without support for deep paths.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Function} Returns the new accessor function.
   */
  function basePropertyOf(object) {
    return function(key) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * 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 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;
  }

  /**
   * 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 Supplement and Latin Extended-A
   * letters to basic Latin letters.
   *
   * @private
   * @param {string} letter The matched letter to deburr.
   * @returns {string} Returns the deburred letter.
   */
  var deburrLetter = basePropertyOf(deburredLetters);

  /**
   * Used by `_.escape` to convert characters to HTML entities.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  var escapeHtmlChar = basePropertyOf(htmlEscapes);

  /**
   * 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 value at `key` of `object`.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function getValue(object, key) {
    return object == null ? undefined : object[key];
  }

  /**
   * Checks if `string` contains Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
   */
  function hasUnicode(string) {
    return reHasUnicode.test(string);
  }

  /**
   * Checks if `string` contains a word composed of Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a word is found, else `false`.
   */
  function hasUnicodeWord(string) {
    return reHasUnicodeWord.test(string);
  }

  /**
   * 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;
  }

  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  /**
   * 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;
  }

  /**
   * 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);

    set.forEach(function(value) {
      result[++index] = [value, value];
    });
    return result;
  }

  /**
   * A specialized version of `_.indexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @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 strictIndexOf(array, value, fromIndex) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * A specialized version of `_.lastIndexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @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 strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }

  /**
   * Gets the number of symbols in `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the string size.
   */
  function stringSize(string) {
    return hasUnicode(string)
      ? unicodeSize(string)
      : asciiSize(string);
  }

  /**
   * Converts `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function stringToArray(string) {
    return hasUnicode(string)
      ? unicodeToArray(string)
      : asciiToArray(string);
  }

  /**
   * Used by `_.unescape` to convert HTML entities to characters.
   *
   * @private
   * @param {string} chr The matched character to unescape.
   * @returns {string} Returns the unescaped character.
   */
  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

  /**
   * Gets the size of a Unicode `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  function unicodeSize(string) {
    var result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
      ++result;
    }
    return result;
  }

  /**
   * Converts a Unicode `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function unicodeToArray(string) {
    return string.match(reUnicode) || [];
  }

  /**
   * Splits a Unicode `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function unicodeWords(string) {
    return string.match(reUnicodeWord) || [];
  }

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

  /**
   * 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
   *
   * // Create a suped-up `defer` in Node.js.
   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
   */
  var runInContext = (function runInContext(context) {
    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

    /** Built-in constructor references. */
    var Array = context.Array,
        Date = context.Date,
        Error = context.Error,
        Function = context.Function,
        Math = context.Math,
        Object = context.Object,
        RegExp = context.RegExp,
        String = context.String,
        TypeError = context.TypeError;

    /** Used for built-in method references. */
    var arrayProto = Array.prototype,
        funcProto = Function.prototype,
        objectProto = Object.prototype;

    /** Used to detect overreaching core-js shims. */
    var coreJsData = context['__core-js_shared__'];

    /** Used to resolve the decompiled source of functions. */
    var funcToString = funcProto.toString;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /** Used to generate unique IDs. */
    var idCounter = 0;

    /** Used to detect methods masquerading as native. */
    var maskSrcKey = (function() {
      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
      return uid ? ('Symbol(src)_1.' + uid) : '';
    }());

    /**
     * Used to resolve the
     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
     * of values.
     */
    var nativeObjectToString = objectProto.toString;

    /** Used to infer the `Object` constructor. */
    var objectCtorString = funcToString.call(Object);

    /** 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,
        Symbol = context.Symbol,
        Uint8Array = context.Uint8Array,
        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
        getPrototype = overArg(Object.getPrototypeOf, Object),
        objectCreate = Object.create,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        splice = arrayProto.splice,
        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
        symIterator = Symbol ? Symbol.iterator : undefined,
        symToStringTag = Symbol ? Symbol.toStringTag : undefined;

    var defineProperty = (function() {
      try {
        var func = getNative(Object, 'defineProperty');
        func({}, '', {});
        return func;
      } catch (e) {}
    }());

    /** Mocked built-ins. */
    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
        ctxNow = Date && Date.now !== root.Date.now && Date.now,
        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

    /* Built-in method references for those with the same name as other `lodash` methods. */
    var nativeCeil = Math.ceil,
        nativeFloor = Math.floor,
        nativeGetSymbols = Object.getOwnPropertySymbols,
        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
        nativeIsFinite = context.isFinite,
        nativeJoin = arrayProto.join,
        nativeKeys = overArg(Object.keys, Object),
        nativeMax = Math.max,
        nativeMin = Math.min,
        nativeNow = Date.now,
        nativeParseInt = context.parseInt,
        nativeRandom = Math.random,
        nativeReverse = arrayProto.reverse;

    /* 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;

    /** 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 and 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`, `conformsTo`, `deburr`,
     * `defaultTo`, `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`, `stubArray`, `stubFalse`,
     * `stubObject`, `stubString`, `stubTrue`, `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);
    }

    /**
     * The base implementation of `_.create` without support for assigning
     * properties to the created object.
     *
     * @private
     * @param {Object} proto The object to inherit from.
     * @returns {Object} Returns the new object.
     */
    var baseCreate = (function() {
      function object() {}
      return function(proto) {
        if (!isObject(proto)) {
          return {};
        }
        if (objectCreate) {
          return objectCreate(proto);
        }
        object.prototype = proto;
        var result = new object;
        object.prototype = undefined;
        return result;
      };
    }());

    /**
     * The function whose prototype chain sequence wrappers inherit from.
     *
     * @private
     */
    function baseLodash() {
      // No operation performed.
    }

    /**
     * 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;
    }

    /**
     * By default, the template delimiters used by lodash are like those in
     * embedded Ruby (ERB) as well as ES2015 template strings. 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__ = [];
    }

    /**
     * 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;
    }

    /**
     * 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;
    }

    /**
     * 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 || (!isRight && 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;
    }

    // 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 == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the hash.
     *
     * @private
     * @name clear
     * @memberOf Hash
     */
    function hashClear() {
      this.__data__ = nativeCreate ? nativeCreate(null) : {};
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the hash.
     *
     * @private
     * @name delete
     * @memberOf Hash
     * @param {Object} hash The hash to modify.
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function hashDelete(key) {
      var result = this.has(key) && delete this.__data__[key];
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * 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;
    }

    /**
     * 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);
    }

    /**
     * Sets the hash `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Hash
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the hash instance.
     */
    function hashSet(key, value) {
      var data = this.__data__;
      this.size += this.has(key) ? 0 : 1;
      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
      return this;
    }

    // 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 == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the list cache.
     *
     * @private
     * @name clear
     * @memberOf ListCache
     */
    function listCacheClear() {
      this.__data__ = [];
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the list cache.
     *
     * @private
     * @name delete
     * @memberOf ListCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function listCacheDelete(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        return false;
      }
      var lastIndex = data.length - 1;
      if (index == lastIndex) {
        data.pop();
      } else {
        splice.call(data, index, 1);
      }
      --this.size;
      return true;
    }

    /**
     * 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];
    }

    /**
     * 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;
    }

    /**
     * Sets the list cache `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf ListCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the list cache instance.
     */
    function listCacheSet(key, value) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        ++this.size;
        data.push([key, value]);
      } else {
        data[index][1] = value;
      }
      return this;
    }

    // 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 == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the map.
     *
     * @private
     * @name clear
     * @memberOf MapCache
     */
    function mapCacheClear() {
      this.size = 0;
      this.__data__ = {
        'hash': new Hash,
        'map': new (Map || ListCache),
        'string': new Hash
      };
    }

    /**
     * Removes `key` and its value from the map.
     *
     * @private
     * @name delete
     * @memberOf MapCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function mapCacheDelete(key) {
      var result = getMapData(this, key)['delete'](key);
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * 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);
    }

    /**
     * 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);
    }

    /**
     * Sets the map `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf MapCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the map cache instance.
     */
    function mapCacheSet(key, value) {
      var data = getMapData(this, key),
          size = data.size;

      data.set(key, value);
      this.size += data.size == size ? 0 : 1;
      return this;
    }

    // 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 == null ? 0 : values.length;

      this.__data__ = new MapCache;
      while (++index < length) {
        this.add(values[index]);
      }
    }

    /**
     * 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;
    }

    /**
     * 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);
    }

    // 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) {
      var data = this.__data__ = new ListCache(entries);
      this.size = data.size;
    }

    /**
     * Removes all key-value entries from the stack.
     *
     * @private
     * @name clear
     * @memberOf Stack
     */
    function stackClear() {
      this.__data__ = new ListCache;
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the stack.
     *
     * @private
     * @name delete
     * @memberOf Stack
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function stackDelete(key) {
      var data = this.__data__,
          result = data['delete'](key);

      this.size = data.size;
      return result;
    }

    /**
     * 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);
    }

    /**
     * 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);
    }

    /**
     * Sets the stack `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Stack
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the stack cache instance.
     */
    function stackSet(key, value) {
      var data = this.__data__;
      if (data instanceof ListCache) {
        var pairs = data.__data__;
        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
          pairs.push([key, value]);
          this.size = ++data.size;
          return this;
        }
        data = this.__data__ = new MapCache(pairs);
      }
      data.set(key, value);
      this.size = data.size;
      return this;
    }

    // Add methods to `Stack`.
    Stack.prototype.clear = stackClear;
    Stack.prototype['delete'] = stackDelete;
    Stack.prototype.get = stackGet;
    Stack.prototype.has = stackHas;
    Stack.prototype.set = stackSet;

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

    /**
     * Creates an array of the enumerable property names of the array-like `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @param {boolean} inherited Specify returning inherited property names.
     * @returns {Array} Returns the array of property names.
     */
    function arrayLikeKeys(value, inherited) {
      var isArr = isArray(value),
          isArg = !isArr && isArguments(value),
          isBuff = !isArr && !isArg && isBuffer(value),
          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
          skipIndexes = isArr || isArg || isBuff || isType,
          result = skipIndexes ? baseTimes(value.length, String) : [],
          length = result.length;

      for (var key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
               // Safari 9 has enumerable `arguments.length` in strict mode.
               key == 'length' ||
               // Node.js 0.10 has enumerable non-index properties on buffers.
               (isBuff && (key == 'offset' || key == 'parent')) ||
               // PhantomJS 2 has enumerable non-index properties on typed arrays.
               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
               // Skip index properties.
               isIndex(key, length)
            ))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * A specialized version of `_.sample` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @returns {*} Returns the random element.
     */
    function arraySample(array) {
      var length = array.length;
      return length ? array[baseRandom(0, length - 1)] : undefined;
    }

    /**
     * A specialized version of `_.sampleSize` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function arraySampleSize(array, n) {
      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
    }

    /**
     * A specialized version of `_.shuffle` for arrays.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function arrayShuffle(array) {
      return shuffleSelf(copyArray(array));
    }

    /**
     * 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)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Assigns `value` to `key` of `object` if the existing value is not equivalent
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignValue(object, key, value) {
      var objValue = object[key];
      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Gets the index at which the `key` is found in `array` of key-value pairs.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {*} key The key to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     */
    function assocIndexOf(array, key) {
      var length = array.length;
      while (length--) {
        if (eq(array[length][0], key)) {
          return length;
        }
      }
      return -1;
    }

    /**
     * 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;
    }

    /**
     * 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);
    }

    /**
     * The base implementation of `_.assignIn` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssignIn(object, source) {
      return object && copyObject(source, keysIn(source), object);
    }

    /**
     * The base implementation of `assignValue` and `assignMergeValue` without
     * value checks.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function baseAssignValue(object, key, value) {
      if (key == '__proto__' && defineProperty) {
        defineProperty(object, key, {
          'configurable': true,
          'enumerable': true,
          'value': value,
          'writable': true
        });
      } else {
        object[key] = value;
      }
    }

    /**
     * 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 to pick.
     * @returns {Array} Returns the picked elements.
     */
    function baseAt(object, paths) {
      var index = -1,
          length = paths.length,
          result = Array(length),
          skip = object == null;

      while (++index < length) {
        result[index] = skip ? undefined : get(object, paths[index]);
      }
      return result;
    }

    /**
     * The base implementation of `_.clamp` which doesn't coerce arguments.
     *
     * @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;
    }

    /**
     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
     * traversed objects.
     *
     * @private
     * @param {*} value The value to clone.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Deep clone
     *  2 - Flatten inherited properties
     *  4 - Clone symbols
     * @param {Function} [customizer] The function to customize cloning.
     * @param {string} [key] The key of `value`.
     * @param {Object} [object] The parent object of `value`.
     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
     * @returns {*} Returns the cloned value.
     */
    function baseClone(value, bitmask, customizer, key, object, stack) {
      var result,
          isDeep = bitmask & CLONE_DEEP_FLAG,
          isFlat = bitmask & CLONE_FLAT_FLAG,
          isFull = bitmask & CLONE_SYMBOLS_FLAG;

      if (customizer) {
        result = object ? customizer(value, key, object, stack) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(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)) {
          result = (isFlat || isFunc) ? {} : initCloneObject(value);
          if (!isDeep) {
            return isFlat
              ? copySymbolsIn(value, baseAssignIn(result, value))
              : copySymbols(value, baseAssign(result, value));
          }
        } else {
          if (!cloneableTags[tag]) {
            return object ? value : {};
          }
          result = initCloneByTag(value, tag, 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);

      var keysFunc = isFull
        ? (isFlat ? getAllKeysIn : getAllKeys)
        : (isFlat ? keysIn : keys);

      var props = isArr ? undefined : keysFunc(value);
      arrayEach(props || value, function(subValue, key) {
        if (props) {
          key = subValue;
          subValue = value[key];
        }
        // Recursively populate clone (susceptible to call stack limits).
        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
      });
      return result;
    }

    /**
     * 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);
      return function(object) {
        return baseConformsTo(object, source, props);
      };
    }

    /**
     * The base implementation of `_.conformsTo` which accepts `props` to check.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     */
    function baseConformsTo(object, source, props) {
      var length = props.length;
      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (length--) {
        var key = props[length],
            predicate = source[key],
            value = object[key];

        if ((value === undefined && !(key in object)) || !predicate(value)) {
          return false;
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.delay` and `_.defer` which accepts `args`
     * to provide to `func`.
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {Array} args The arguments to provide to `func`.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    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 == null ? value : iteratee(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 = castPath(path, object);

      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 `getTag` without fallbacks for buggy environments.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    function baseGetTag(value) {
      if (value == null) {
        return value === undefined ? undefinedTag : nullTag;
      }
      return (symToStringTag && symToStringTag in Object(value))
        ? getRawTag(value)
        : objectToString(value);
    }

    /**
     * The base implementation of `_.gt` which doesn't coerce arguments.
     *
     * @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) {
      return object != null && hasOwnProperty.call(object, key);
    }

    /**
     * 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 object != null && key in Object(object);
    }

    /**
     * The base implementation of `_.inRange` which doesn't coerce arguments.
     *
     * @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) {
      path = castPath(path, object);
      object = parent(object, path);
      var func = object == null ? object : object[toKey(last(path))];
      return func == null ? undefined : apply(func, object, args);
    }

    /**
     * The base implementation of `_.isArguments`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     */
    function baseIsArguments(value) {
      return isObjectLike(value) && baseGetTag(value) == argsTag;
    }

    /**
     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     */
    function baseIsArrayBuffer(value) {
      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
    }

    /**
     * The base implementation of `_.isDate` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     */
    function baseIsDate(value) {
      return isObjectLike(value) && baseGetTag(value) == dateTag;
    }

    /**
     * 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 {boolean} bitmask The bitmask flags.
     *  1 - Unordered comparison
     *  2 - Partial comparison
     * @param {Function} [customizer] The function to customize comparisons.
     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     */
    function baseIsEqual(value, other, bitmask, customizer, stack) {
      if (value === other) {
        return true;
      }
      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, 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 {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = objIsArr ? arrayTag : getTag(object),
          othTag = othIsArr ? arrayTag : getTag(other);

      objTag = objTag == argsTag ? objectTag : objTag;
      othTag = othTag == argsTag ? objectTag : othTag;

      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;

      if (isSameTag && isBuffer(object)) {
        if (!isBuffer(other)) {
          return false;
        }
        objIsArr = true;
        objIsObj = false;
      }
      if (isSameTag && !objIsObj) {
        stack || (stack = new Stack);
        return (objIsArr || isTypedArray(object))
          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
      }
      if (!(bitmask & COMPARE_PARTIAL_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, bitmask, customizer, stack);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stack || (stack = new Stack);
      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
    }

    /**
     * The base implementation of `_.isMap` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     */
    function baseIsMap(value) {
      return isObjectLike(value) && getTag(value) == mapTag;
    }

    /**
     * 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, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                : result
              )) {
            return false;
          }
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.isNative` without bad shim checks.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     */
    function baseIsNative(value) {
      if (!isObject(value) || isMasked(value)) {
        return false;
      }
      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
      return pattern.test(toSource(value));
    }

    /**
     * The base implementation of `_.isRegExp` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     */
    function baseIsRegExp(value) {
      return isObjectLike(value) && baseGetTag(value) == regexpTag;
    }

    /**
     * The base implementation of `_.isSet` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     */
    function baseIsSet(value) {
      return isObjectLike(value) && getTag(value) == setTag;
    }

    /**
     * The base implementation of `_.isTypedArray` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     */
    function baseIsTypedArray(value) {
      return isObjectLike(value) &&
        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
    }

    /**
     * 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 treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeys(object) {
      if (!isPrototype(object)) {
        return nativeKeys(object);
      }
      var result = [];
      for (var key in Object(object)) {
        if (hasOwnProperty.call(object, key) && key != 'constructor') {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeysIn(object) {
      if (!isObject(object)) {
        return nativeKeysIn(object);
      }
      var isProto = isPrototype(object),
          result = [];

      for (var key in object) {
        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.lt` which doesn't coerce arguments.
     *
     * @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, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_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;
      }
      baseFor(source, function(srcValue, 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);
        }
      }, keysIn);
    }

    /**
     * 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) {
        var isArr = isArray(srcValue),
            isBuff = !isArr && isBuffer(srcValue),
            isTyped = !isArr && !isBuff && isTypedArray(srcValue);

        newValue = srcValue;
        if (isArr || isBuff || isTyped) {
          if (isArray(objValue)) {
            newValue = objValue;
          }
          else if (isArrayLikeObject(objValue)) {
            newValue = copyArray(objValue);
          }
          else if (isBuff) {
            isCommon = false;
            newValue = cloneBuffer(srcValue, true);
          }
          else if (isTyped) {
            isCommon = false;
            newValue = cloneTypedArray(srcValue, true);
          }
          else {
            newValue = [];
          }
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          newValue = objValue;
          if (isArguments(objValue)) {
            newValue = toPlainObject(objValue);
          }
          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
            newValue = initCloneObject(srcValue);
          }
        }
        else {
          isCommon = false;
        }
      }
      if (isCommon) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, newValue);
        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
        stack['delete'](srcValue);
      }
      assignMergeValue(object, key, newValue);
    }

    /**
     * The base implementation of `_.nth` which doesn't coerce arguments.
     *
     * @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[]} paths The property paths to pick.
     * @returns {Object} Returns the new object.
     */
    function basePick(object, paths) {
      return basePickBy(object, paths, function(value, path) {
        return hasIn(object, path);
      });
    }

    /**
     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @param {Function} predicate The function invoked per property.
     * @returns {Object} Returns the new object.
     */
    function basePickBy(object, paths, predicate) {
      var index = -1,
          length = paths.length,
          result = {};

      while (++index < length) {
        var path = paths[index],
            value = baseGet(object, path);

        if (predicate(value, path)) {
          baseSet(result, castPath(path, object), value);
        }
      }
      return result;
    }

    /**
     * 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 (array === values) {
        values = copyArray(values);
      }
      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 {
            baseUnset(array, 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.
     *
     * @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 `_.rest` which doesn't validate or coerce arguments.
     *
     * @private
     * @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.
     */
    function baseRest(func, start) {
      return setToString(overRest(func, start, identity), func + '');
    }

    /**
     * The base implementation of `_.sample`.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     */
    function baseSample(collection) {
      return arraySample(values(collection));
    }

    /**
     * The base implementation of `_.sampleSize` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function baseSampleSize(collection, n) {
      var array = values(collection);
      return shuffleSelf(array, baseClamp(n, 0, array.length));
    }

    /**
     * The base implementation of `_.set`.
     *
     * @private
     * @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 path creation.
     * @returns {Object} Returns `object`.
     */
    function baseSet(object, path, value, customizer) {
      if (!isObject(object)) {
        return object;
      }
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          lastIndex = length - 1,
          nested = object;

      while (nested != null && ++index < length) {
        var key = toKey(path[index]),
            newValue = value;

        if (index != lastIndex) {
          var objValue = nested[key];
          newValue = customizer ? customizer(objValue, key, nested) : undefined;
          if (newValue === undefined) {
            newValue = isObject(objValue)
              ? objValue
              : (isIndex(path[index + 1]) ? [] : {});
          }
        }
        assignValue(nested, key, newValue);
        nested = nested[key];
      }
      return object;
    }

    /**
     * The base implementation of `setData` without support for hot loop shorting.
     *
     * @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 `setToString` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var baseSetToString = !defineProperty ? identity : function(func, string) {
      return defineProperty(func, 'toString', {
        'configurable': true,
        'enumerable': false,
        'value': constant(string),
        'writable': true
      });
    };

    /**
     * The base implementation of `_.shuffle`.
     *
     * @private
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function baseShuffle(collection) {
      return shuffleSelf(values(collection));
    }

    /**
     * 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 == null ? low : array.length;

      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 == null ? 0 : array.length,
          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 (isArray(value)) {
        // Recursively convert values (susceptible to call stack limits).
        return arrayMap(value, baseToString) + '';
      }
      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 property path to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     */
    function baseUnset(object, path) {
      path = castPath(path, object);
      object = parent(object, path);
      return object == null || delete object[toKey(last(path))];
    }

    /**
     * The base implementation of `_.update`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @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 length = arrays.length;
      if (length < 2) {
        return length ? baseUniq(arrays[0]) : [];
      }
      var index = -1,
          result = Array(length);

      while (++index < length) {
        var array = arrays[index],
            othIndex = -1;

        while (++othIndex < length) {
          if (othIndex != index) {
            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
          }
        }
      }
      return baseUniq(baseFlatten(result, 1), 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.
     * @param {Object} [object] The object to query keys on.
     * @returns {Array} Returns the cast property path array.
     */
    function castPath(value, object) {
      if (isArray(value)) {
        return value;
      }
      return isKey(value, object) ? [value] : stringToPath(toString(value));
    }

    /**
     * A `baseRest` alias which can be replaced with `identity` by module
     * replacement plugins.
     *
     * @private
     * @type {Function}
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    var castRest = baseRest;

    /**
     * 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);
    }

    /**
     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
     *
     * @private
     * @param {number|Object} id The timer id or timeout object of the timer to clear.
     */
    var clearTimeout = ctxClearTimeout || function(id) {
      return root.clearTimeout(id);
    };

    /**
     * Creates a clone of  `buffer`.
     *
     * @private
     * @param {Buffer} buffer The buffer to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Buffer} Returns the cloned buffer.
     */
    function cloneBuffer(buffer, isDeep) {
      if (isDeep) {
        return buffer.slice();
      }
      var length = buffer.length,
          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

      buffer.copy(result);
      return result;
    }

    /**
     * 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), CLONE_DEEP_FLAG) : 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), CLONE_DEEP_FLAG) : 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) {
      var isNew = !object;
      object || (object = {});

      var index = -1,
          length = props.length;

      while (++index < length) {
        var key = props[index];

        var newValue = customizer
          ? customizer(object[key], source[key], key, object, source)
          : undefined;

        if (newValue === undefined) {
          newValue = source[key];
        }
        if (isNew) {
          baseAssignValue(object, key, newValue);
        } else {
          assignValue(object, key, newValue);
        }
      }
      return object;
    }

    /**
     * Copies own symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbols(source, object) {
      return copyObject(source, getSymbols(source), object);
    }

    /**
     * Copies own and inherited symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbolsIn(source, object) {
      return copyObject(source, getSymbolsIn(source), object);
    }

    /**
     * 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, 2), 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 baseRest(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 flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createBind(func, bitmask, thisArg) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(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 = hasUnicode(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 createCtor(Ctor) {
      return function() {
        // Use a `switch` statement to work with class constructors. See
        // http://ecma-international.org/ecma-262/7.0/#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 flags. See `createWrap` for more details.
     * @param {number} arity The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCurry(func, bitmask, arity) {
      var Ctor = createCtor(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 createRecurry(
            func, bitmask, createHybrid, 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 `_.find` or `_.findLast` function.
     *
     * @private
     * @param {Function} findIndexFunc The function to find the collection index.
     * @returns {Function} Returns the new find function.
     */
    function createFind(findIndexFunc) {
      return function(collection, predicate, fromIndex) {
        var iterable = Object(collection);
        if (!isArrayLike(collection)) {
          var iteratee = getIteratee(predicate, 3);
          collection = keys(collection);
          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
        }
        var index = findIndexFunc(collection, predicate, fromIndex);
        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
      };
    }

    /**
     * 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 flatRest(function(funcs) {
        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] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_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)) {
            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 flags. See `createWrap` 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 createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
      var isAry = bitmask & WRAP_ARY_FLAG,
          isBind = bitmask & WRAP_BIND_FLAG,
          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
          isFlip = bitmask & WRAP_FLIP_FLAG,
          Ctor = isBindKey ? undefined : createCtor(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 createRecurry(
            func, bitmask, createHybrid, 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 || createCtor(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.
     * @param {number} [defaultValue] The value used for `undefined` arguments.
     * @returns {Function} Returns the new mathematical operation function.
     */
    function createMathOperation(operator, defaultValue) {
      return function(value, other) {
        var result;
        if (value === undefined && other === undefined) {
          return defaultValue;
        }
        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 flatRest(function(iteratees) {
        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
        return baseRest(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 hasUnicode(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 flags. See `createWrap` 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 createPartial(func, bitmask, thisArg, partials) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(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 = toFinite(start);
        if (end === undefined) {
          end = start;
          start = 0;
        } else {
          end = toFinite(end);
        }
        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
        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 flags. See `createWrap` 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 createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
      var isCurry = bitmask & WRAP_CURRY_FLAG,
          newHolders = isCurry ? holders : undefined,
          newHoldersRight = isCurry ? undefined : holders,
          newPartials = isCurry ? partials : undefined,
          newPartialsRight = isCurry ? undefined : partials;

      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
        bitmask &= ~(WRAP_BIND_FLAG | WRAP_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 setWrapToString(result, func, bitmask);
    }

    /**
     * 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 = precision == null ? 0 : nativeMin(toInteger(precision), 292);
        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 object 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 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 createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
      if (!isBindKey && typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var length = partials ? partials.length : 0;
      if (!length) {
        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_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 & WRAP_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] === undefined
        ? (isBindKey ? 0 : func.length)
        : nativeMax(newData[9] - length, 0);

      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
      }
      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
        var result = createBind(func, bitmask, thisArg);
      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
        result = createCurry(func, bitmask, arity);
      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
        result = createPartial(func, bitmask, thisArg, partials);
      } else {
        result = createHybrid.apply(undefined, newData);
      }
      var setter = data ? baseSetData : setData;
      return setWrapToString(setter(result, newData), func, bitmask);
    }

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @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 customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined ||
          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
        return srcValue;
      }
      return objValue;
    }

    /**
     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
     * objects into destination objects that are passed thru.
     *
     * @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 customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
      if (isObject(objValue) && isObject(srcValue)) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, objValue);
        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
        stack['delete'](srcValue);
      }
      return objValue;
    }

    /**
     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
     * objects.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {string} key The key of the property to inspect.
     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
     */
    function customOmitClone(value) {
      return isPlainObject(value) ? undefined : value;
    }

    /**
     * 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 {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `array` and `other` objects.
     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
     */
    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_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 && stack.get(other)) {
        return stacked == other;
      }
      var index = -1,
          result = true,
          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

      stack.set(array, other);
      stack.set(other, array);

      // 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 (!cacheHas(seen, othIndex) &&
                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                  return seen.push(othIndex);
                }
              })) {
            result = false;
            break;
          }
        } else if (!(
              arrValue === othValue ||
                equalFunc(arrValue, othValue, bitmask, customizer, stack)
            )) {
          result = false;
          break;
        }
      }
      stack['delete'](array);
      stack['delete'](other);
      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 {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @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, bitmask, customizer, equalFunc, 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:
        case numberTag:
          // Coerce booleans to `1` or `0` and dates to milliseconds.
          // Invalid dates are coerced to `NaN`.
          return eq(+object, +other);

        case errorTag:
          return object.name == other.name && object.message == other.message;

        case regexpTag:
        case stringTag:
          // Coerce regexes to strings and treat strings, primitives and objects,
          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
          // for more details.
          return object == (other + '');

        case mapTag:
          var convert = mapToArray;

        case setTag:
          var isPartial = bitmask & COMPARE_PARTIAL_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 |= COMPARE_UNORDERED_FLAG;

          // Recursively compare objects (susceptible to call stack limits).
          stack.set(object, other);
          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
          stack['delete'](object);
          return result;

        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 {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          objProps = getAllKeys(object),
          objLength = objProps.length,
          othProps = getAllKeys(other),
          othLength = othProps.length;

      if (objLength != othLength && !isPartial) {
        return false;
      }
      var index = objLength;
      while (index--) {
        var key = objProps[index];
        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
          return false;
        }
      }
      // Assume cyclic values are equal.
      var stacked = stack.get(object);
      if (stacked && stack.get(other)) {
        return stacked == other;
      }
      var result = true;
      stack.set(object, other);
      stack.set(other, object);

      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, bitmask, customizer, 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);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseRest` which flattens the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    function flatRest(func) {
      return setToString(overRest(func, undefined, flatten), func + '');
    }

    /**
     * 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 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 = keys(object),
          length = result.length;

      while (length--) {
        var key = result[length],
            value = object[key];

        result[length] = [key, value, isStrictComparable(value)];
      }
      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 = getValue(object, key);
      return baseIsNative(value) ? value : undefined;
    }

    /**
     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the raw `toStringTag`.
     */
    function getRawTag(value) {
      var isOwn = hasOwnProperty.call(value, symToStringTag),
          tag = value[symToStringTag];

      try {
        value[symToStringTag] = undefined;
        var unmasked = true;
      } catch (e) {}

      var result = nativeObjectToString.call(value);
      if (unmasked) {
        if (isOwn) {
          value[symToStringTag] = tag;
        } else {
          delete value[symToStringTag];
        }
      }
      return result;
    }

    /**
     * Creates an array of the own enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
      if (object == null) {
        return [];
      }
      object = Object(object);
      return arrayFilter(nativeGetSymbols(object), function(symbol) {
        return propertyIsEnumerable.call(object, symbol);
      });
    };

    /**
     * Creates an array of the own and inherited enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbolsIn = !nativeGetSymbols ? stubArray : 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`.
     */
    var getTag = baseGetTag;

    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
        (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 = baseGetTag(value),
            Ctor = result == objectTag ? value.constructor : undefined,
            ctorString = Ctor ? toSource(Ctor) : '';

        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 };
    }

    /**
     * Extracts wrapper details from the `source` body comment.
     *
     * @private
     * @param {string} source The source to inspect.
     * @returns {Array} Returns the wrapper details.
     */
    function getWrapDetails(source) {
      var match = source.match(reWrapDetails);
      return match ? match[1].split(reSplitDetails) : [];
    }

    /**
     * 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 = castPath(path, object);

      var index = -1,
          length = path.length,
          result = false;

      while (++index < length) {
        var key = toKey(path[index]);
        if (!(result = object != null && hasFunc(object, key))) {
          break;
        }
        object = object[key];
      }
      if (result || ++index != length) {
        return result;
      }
      length = object == null ? 0 : object.length;
      return !!length && isLength(length) && isIndex(key, length) &&
        (isArray(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);
      }
    }

    /**
     * Inserts wrapper `details` in a comment at the top of the `source` body.
     *
     * @private
     * @param {string} source The source to modify.
     * @returns {Array} details The details to insert.
     * @returns {string} Returns the modified source.
     */
    function insertWrapDetails(source, details) {
      var length = details.length;
      if (!length) {
        return source;
      }
      var lastIndex = length - 1;
      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
      details = details.join(length > 2 ? ', ' : ' ');
      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
    }

    /**
     * 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) ||
        !!(spreadableSymbol && value && value[spreadableSymbol]);
    }

    /**
     * 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 `func` has its source masked.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
     */
    function isMasked(func) {
      return !!maskSrcKey && (maskSrcKey in func);
    }

    /**
     * Checks if `func` is capable of being masked.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
     */
    var isMaskable = coreJsData ? isFunction : stubFalse;

    /**
     * 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)));
      };
    }

    /**
     * A specialized version of `_.memoize` which clears the memoized function's
     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
     *
     * @private
     * @param {Function} func The function to have its output memoized.
     * @returns {Function} Returns the new memoized function.
     */
    function memoizeCapped(func) {
      var result = memoize(func, function(key) {
        if (cache.size === MAX_MEMOIZE_SIZE) {
          cache.clear();
        }
        return key;
      });

      var cache = result.cache;
      return result;
    }

    /**
     * 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 < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

      var isCombo =
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

      // Exit early if metadata can't be merged.
      if (!(isCommon || isCombo)) {
        return data;
      }
      // Use source `thisArg` if available.
      if (srcBitmask & WRAP_BIND_FLAG) {
        data[2] = source[2];
        // Set when currying a bound function.
        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_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 & WRAP_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;
    }

    /**
     * This function is like
     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * except that it includes inherited enumerable properties.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function nativeKeysIn(object) {
      var result = [];
      if (object != null) {
        for (var key in Object(object)) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * Converts `value` to a string using `Object.prototype.toString`.
     *
     * @private
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     */
    function objectToString(value) {
      return nativeObjectToString.call(value);
    }

    /**
     * A specialized version of `baseRest` which transforms the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @param {Function} transform The rest array transform.
     * @returns {Function} Returns the new function.
     */
    function overRest(func, start, transform) {
      start = nativeMax(start === undefined ? (func.length - 1) : 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];
        }
        index = -1;
        var otherArgs = Array(start + 1);
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return apply(func, this, otherArgs);
      };
    }

    /**
     * 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 < 2 ? 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 = shortOut(baseSetData);

    /**
     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    var setTimeout = ctxSetTimeout || function(func, wait) {
      return root.setTimeout(func, wait);
    };

    /**
     * Sets the `toString` method of `func` to return `string`.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var setToString = shortOut(baseSetToString);

    /**
     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
     * with wrapper details in a comment at the top of the source body.
     *
     * @private
     * @param {Function} wrapper The function to modify.
     * @param {Function} reference The reference function.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Function} Returns `wrapper`.
     */
    function setWrapToString(wrapper, reference, bitmask) {
      var source = (reference + '');
      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
    }

    /**
     * Creates a function that'll short out and invoke `identity` instead
     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
     * milliseconds.
     *
     * @private
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new shortable function.
     */
    function shortOut(func) {
      var count = 0,
          lastCalled = 0;

      return function() {
        var stamp = nativeNow(),
            remaining = HOT_SPAN - (stamp - lastCalled);

        lastCalled = stamp;
        if (remaining > 0) {
          if (++count >= HOT_COUNT) {
            return arguments[0];
          }
        } else {
          count = 0;
        }
        return func.apply(undefined, arguments);
      };
    }

    /**
     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @param {number} [size=array.length] The size of `array`.
     * @returns {Array} Returns `array`.
     */
    function shuffleSelf(array, size) {
      var index = -1,
          length = array.length,
          lastIndex = length - 1;

      size = size === undefined ? length : size;
      while (++index < size) {
        var rand = baseRandom(index, lastIndex),
            value = array[rand];

        array[rand] = array[index];
        array[index] = value;
      }
      array.length = size;
      return array;
    }

    /**
     * Converts `string` to a property path array.
     *
     * @private
     * @param {string} string The string to convert.
     * @returns {Array} Returns the property path array.
     */
    var stringToPath = memoizeCapped(function(string) {
      var result = [];
      if (reLeadingDot.test(string)) {
        result.push('');
      }
      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 convert.
     * @returns {string} Returns the source code.
     */
    function toSource(func) {
      if (func != null) {
        try {
          return funcToString.call(func);
        } catch (e) {}
        try {
          return (func + '');
        } catch (e) {}
      }
      return '';
    }

    /**
     * Updates wrapper `details` based on `bitmask` flags.
     *
     * @private
     * @returns {Array} details The details to modify.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Array} Returns `details`.
     */
    function updateWrapDetails(details, bitmask) {
      arrayEach(wrapFlags, function(pair) {
        var value = '_.' + pair[0];
        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
          details.push(value);
        }
      });
      return details.sort();
    }

    /**
     * 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 == null ? 0 : array.length;
      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 == null ? 0 : array.length,
          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;
      if (!length) {
        return [];
      }
      var args = Array(length - 1),
          array = arguments[0],
          index = length;

      while (index--) {
        args[index - 1] = arguments[index];
      }
      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
    }

    /**
     * Creates an array of `array` values not included in the other given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * **Note:** Unlike `_.pullAll`, this method returns a new 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([2, 1], [2, 3]);
     * // => [1]
     */
    var difference = baseRest(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. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var differenceBy = baseRest(function(array, values) {
      var iteratee = last(values);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `comparator`
     * which is invoked to compare elements of `array` to `values`. The order and
     * references of result values are determined by the first array. The comparator
     * is invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
     *
     * @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 = baseRest(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 == null ? 0 : array.length;
      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 == null ? 0 : array.length;
      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 {Function} [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 {Function} [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 == null ? 0 : array.length;
      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 inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @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, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index);
    }

    /**
     * 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 inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @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, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length - 1;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = fromIndex < 0
          ? nativeMax(length + index, 0)
          : nativeMin(index, length - 1);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
    }

    /**
     * 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 == null ? 0 : array.length;
      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 == null ? 0 : array.length;
      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 == null ? 0 : array.length;
      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([['a', 1], ['b', 2]]);
     * // => { 'a': 1, 'b': 2 }
     */
    function fromPairs(pairs) {
      var index = -1,
          length = pairs == null ? 0 : pairs.length,
          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-262/7.0/#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 inspect.
     * @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 == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseIndexOf(array, value, index);
    }

    /**
     * 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) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }

    /**
     * Creates an array of unique values that are included in all given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by 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], [2, 3]);
     * // => [2]
     */
    var intersection = baseRest(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. The order and references of result values are
     * determined by 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 {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [2.1]
     *
     * // The `_.property` iteratee shorthand.
     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }]
     */
    var intersectionBy = baseRest(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, 2))
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `comparator`
     * which is invoked to compare elements of `arrays`. The order and references
     * of result values are determined by 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 = baseRest(function(arrays) {
      var comparator = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      comparator = typeof comparator == 'function' ? comparator : undefined;
      if (comparator) {
        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 == null ? '' : 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 == null ? 0 : array.length;
      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 inspect.
     * @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 == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
      }
      return value === value
        ? strictLastIndexOf(array, value, index)
        : baseFindIndex(array, baseIsNaN, index, true);
    }

    /**
     * Gets the element at index `n` 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-262/7.0/#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 = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pull(array, 'a', 'c');
     * console.log(array);
     * // => ['b', 'b']
     */
    var pull = baseRest(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 = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pullAll(array, ['a', 'c']);
     * console.log(array);
     * // => ['b', 'b']
     */
    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 {Function} [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, 2))
        : 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 = ['a', 'b', 'c', 'd'];
     * var pulled = _.pullAt(array, [1, 3]);
     *
     * console.log(array);
     * // => ['a', 'c']
     *
     * console.log(pulled);
     * // => ['b', 'd']
     */
    var pullAt = flatRest(function(array, indexes) {
      var length = array == null ? 0 : array.length,
          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 {Function} [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 == null ? array : nativeReverse.call(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 == null ? 0 : array.length;
      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
     */
    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 {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
     * // => 0
     */
    function sortedIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
    }

    /**
     * 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 inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
     * // => 1
     */
    function sortedIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      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, 5, 5, 6], 5);
     * // => 4
     */
    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 {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 1
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
     * // => 1
     */
    function sortedLastIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), 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 inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     * // => 3
     */
    function sortedLastIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      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, 2))
        : [];
    }

    /**
     * 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) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 1, length) : [];
    }

    /**
     * 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 == null ? 0 : array.length;
      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 {Function} [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 {Function} [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-262/7.0/#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, 2]);
     * // => [2, 1]
     */
    var union = baseRest(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. Result values are chosen from the first
     * array in which the value occurs. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    var unionBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.union` except that it accepts `comparator` which
     * is invoked to compare elements of `arrays`. Result values are chosen from
     * the first array in which the value occurs. 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 = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? 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-262/7.0/#sec-samevaluezero)
     * for equality comparisons, in which only the first occurrence of each element
     * is kept. The order of result values is determined by the order they occur
     * in the array.
     *
     * @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 order of result values is determined by the
     * order they occur in the 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 {Function} [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, 2)) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `comparator` which
     * is invoked to compare elements of `array`. The order of result values is
     * determined by the order they occur in the 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) {
      comparator = typeof comparator == 'function' ? comparator : undefined;
      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(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     *
     * _.unzip(zipped);
     * // => [['a', 'b'], [1, 2], [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-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.pull`, this method returns a new array.
     *
     * @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([2, 1, 2, 3], 1, 2);
     * // => [3]
     */
    var without = baseRest(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], [2, 3]);
     * // => [1, 3]
     */
    var xor = baseRest(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 order of result values is determined
     * by the order they occur in the arrays. The iteratee is invoked with one
     * argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2, 3.4]
     *
     * // The `_.property` iteratee shorthand.
     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var xorBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.xor` except that it accepts `comparator` which is
     * invoked to compare elements of `arrays`. The order of result values is
     * determined by the order they occur in the 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 = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? 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(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     */
    var zip = baseRest(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 = baseRest(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 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]
     */
    var wrapperAt = flatRest(function(paths) {
      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 {Function} [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 }
     *
     * // The `_.property` iteratee shorthand.
     * _.countBy(['one', 'two', 'three'], 'length');
     * // => { '3': 2, '5': 1 }
     */
    var countBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        ++result[key];
      } else {
        baseAssignValue(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).
     *
     * **Note:** This method returns `true` for
     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
     * elements of empty collections.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [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).
     *
     * **Note:** Unlike `_.remove`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [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 inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @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'
     */
    var find = createFind(findIndex);

    /**
     * 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 inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=collection.length-1] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * _.findLast([1, 2, 3, 4], function(n) {
     *   return n % 2 == 1;
     * });
     * // => 3
     */
    var findLast = createFind(findLastIndex);

    /**
     * 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 {Function} [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 {Function} [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 {Function} [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
     *
     * _.forEach([1, 2], 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 {Function} [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 {
        baseAssignValue(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-262/7.0/#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 inspect.
     * @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({ 'a': 1, 'b': 2 }, 1);
     * // => true
     *
     * _.includes('abcd', 'bc');
     * // => 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 `path` 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 = baseRest(function(collection, path, args) {
      var index = -1,
          isFunc = typeof path == 'function',
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value) {
        result[++index] = isFunc ? apply(path, 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 {Function} [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) {
      baseAssignValue(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 {Function} [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 {Function} [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 {Function} [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;
      return func(collection, negate(getIteratee(predicate, 3)));
    }

    /**
     * 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 func = isArray(collection) ? arraySample : baseSample;
      return func(collection);
    }

    /**
     * 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) {
      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
      return func(collection, n);
    }

    /**
     * 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) {
      var func = isArray(collection) ? arrayShuffle : baseShuffle;
      return func(collection);
    }

    /**
     * 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|string} 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)) {
        return isString(collection) ? stringSize(collection) : collection.length;
      }
      var tag = getTag(collection);
      if (tag == mapTag || tag == setTag) {
        return collection.size;
      }
      return baseKeys(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 {Function} [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 {...(Function|Function[])} [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]]
     */
    var sortBy = baseRest(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]];
      }
      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
    });

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

    /**
     * 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
     * @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 invocation.
     */
    var now = ctxNow || function() {
      return root.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 createWrap(func, WRAP_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
     *
     * function greet(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 = baseRest(function(func, thisArg, partials) {
      var bitmask = WRAP_BIND_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bind));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(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 = baseRest(function(object, key, partials) {
      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bindKey));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(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 = createWrap(func, WRAP_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 = createWrap(func, WRAP_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 `options` 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.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * 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,
          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 === undefined || (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) {
        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);
        }
        lastInvokeTime = 0;
        lastArgs = lastCallTime = 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.
            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 millisecond.
     */
    var defer = baseRest(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 = baseRest(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 createWrap(func, WRAP_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-262/7.0/#sec-properties-of-the-map-prototype-object)
     * method interface of `clear`, `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 != null && 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) || cache;
        return result;
      };
      memoized.cache = new (memoize.Cache || MapCache);
      return memoized;
    }

    // Expose `MapCache`.
    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() {
        var args = arguments;
        switch (args.length) {
          case 0: return !predicate.call(this);
          case 1: return !predicate.call(this, args[0]);
          case 2: return !predicate.call(this, args[0], args[1]);
          case 3: return !predicate.call(this, args[0], args[1], args[2]);
        }
        return !predicate.apply(this, args);
      };
    }

    /**
     * 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();
     * // => `createApplication` is invoked once
     */
    function once(func) {
      return before(2, func);
    }

    /**
     * Creates a function that invokes `func` with its arguments transformed.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Function
     * @param {Function} func The function to wrap.
     * @param {...(Function|Function[])} [transforms=[_.identity]]
     *  The argument transforms.
     * @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 = castRest(function(func, transforms) {
      transforms = (transforms.length == 1 && isArray(transforms[0]))
        ? arrayMap(transforms[0], baseUnary(getIteratee()))
        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

      var funcsLength = transforms.length;
      return baseRest(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
     *
     * function greet(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 = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partial));
      return createWrap(func, WRAP_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
     *
     * function greet(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 = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partialRight));
      return createWrap(func, WRAP_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 = flatRest(function(func, indexes) {
      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
    });

    /**
     * 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 = start === undefined ? start : toInteger(start);
      return baseRest(func, start);
    }

    /**
     * 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-262/7.0/#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 == null ? 0 : nativeMax(toInteger(start), 0);
      return baseRest(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 `options` 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.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * 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 `wrapper` as its first
     * argument. Any additional arguments provided to the function are appended
     * to those provided to the `wrapper`. 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 '<p>' + func(text) + '</p>';
     * });
     *
     * p('fred, barney, & pebbles');
     * // => '<p>fred, barney, &amp; pebbles</p>'
     */
    function wrap(value, wrapper) {
      return partial(castFunction(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, CLONE_SYMBOLS_FLAG);
    }

    /**
     * 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) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_SYMBOLS_FLAG, 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, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
    }

    /**
     * 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) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * Checks if `object` conforms to `source` by invoking the predicate
     * properties of `source` with the corresponding property values of `object`.
     *
     * **Note:** This method is equivalent to `_.conforms` when `source` is
     * partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
     * // => true
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
     * // => false
     */
    function conformsTo(object, source) {
      return source == null || baseConformsTo(object, source, keys(source));
    }

    /**
     * Performs a
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * comparison between two values to determine if they are equivalent.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.eq(object, object);
     * // => true
     *
     * _.eq(object, other);
     * // => false
     *
     * _.eq('a', 'a');
     * // => true
     *
     * _.eq('a', Object('a'));
     * // => false
     *
     * _.eq(NaN, NaN);
     * // => true
     */
    function eq(value, other) {
      return value === other || (value !== value && other !== other);
    }

    /**
     * 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 an `arguments` object,
     *  else `false`.
     * @example
     *
     * _.isArguments(function() { return arguments; }());
     * // => true
     *
     * _.isArguments([1, 2, 3]);
     * // => false
     */
    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
        !propertyIsEnumerable.call(value, 'callee');
    };

    /**
     * Checks if `value` is classified as an `Array` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
     * @example
     *
     * _.isArray([1, 2, 3]);
     * // => true
     *
     * _.isArray(document.body.children);
     * // => false
     *
     * _.isArray('abc');
     * // => false
     *
     * _.isArray(_.noop);
     * // => false
     */
    var isArray = Array.isArray;

    /**
     * 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 an array buffer, else `false`.
     * @example
     *
     * _.isArrayBuffer(new ArrayBuffer(2));
     * // => true
     *
     * _.isArrayBuffer(new Array(2));
     * // => false
     */
    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

    /**
     * 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(value.length) && !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 a boolean, else `false`.
     * @example
     *
     * _.isBoolean(false);
     * // => true
     *
     * _.isBoolean(null);
     * // => false
     */
    function isBoolean(value) {
      return value === true || value === false ||
        (isObjectLike(value) && baseGetTag(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 = nativeIsBuffer || stubFalse;

    /**
     * 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 a date object, else `false`.
     * @example
     *
     * _.isDate(new Date);
     * // => true
     *
     * _.isDate('Mon April 23 2012');
     * // => false
     */
    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

    /**
     * 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('<body>');
     * // => false
     */
    function isElement(value) {
      return isObjectLike(value) && value.nodeType === 1 && !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 (value == null) {
        return true;
      }
      if (isArrayLike(value) &&
          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
        return !value.length;
      }
      var tag = getTag(value);
      if (tag == mapTag || tag == setTag) {
        return !value.size;
      }
      if (isPrototype(value)) {
        return !baseKeys(value).length;
      }
      for (var key in value) {
        if (hasOwnProperty.call(value, key)) {
          return false;
        }
      }
      return true;
    }

    /**
     * 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 compared by strict equality, i.e. `===`.
     *
     * @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 = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.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, undefined, 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;
      }
      var tag = baseGetTag(value);
      return tag == errorTag || tag == domExcTag ||
        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
    }

    /**
     * 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 a function, else `false`.
     * @example
     *
     * _.isFunction(_);
     * // => true
     *
     * _.isFunction(/abc/);
     * // => false
     */
    function isFunction(value) {
      if (!isObject(value)) {
        return false;
      }
      // The use of `Object#toString` avoids issues with the `typeof` operator
      // in Safari 9 which returns 'object' for typed arrays and other constructors.
      var tag = baseGetTag(value);
      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
    }

    /**
     * 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 method is loosely based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
     * @example
     *
     * _.isLength(3);
     * // => true
     *
     * _.isLength(Number.MIN_VALUE);
     * // => false
     *
     * _.isLength(Infinity);
     * // => false
     *
     * _.isLength('3');
     * // => false
     */
    function isLength(value) {
      return typeof value == 'number' &&
        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is the
     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
     * @example
     *
     * _.isObject({});
     * // => true
     *
     * _.isObject([1, 2, 3]);
     * // => true
     *
     * _.isObject(_.noop);
     * // => true
     *
     * _.isObject(null);
     * // => false
     */
    function isObject(value) {
      var type = typeof value;
      return value != null && (type == 'object' || type == 'function');
    }

    /**
     * Checks if `value` is object-like. A value is object-like if it's not `null`
     * and has a `typeof` result of "object".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
     * @example
     *
     * _.isObjectLike({});
     * // => true
     *
     * _.isObjectLike([1, 2, 3]);
     * // => true
     *
     * _.isObjectLike(_.noop);
     * // => false
     *
     * _.isObjectLike(null);
     * // => false
     */
    function isObjectLike(value) {
      return value != null && typeof value == 'object';
    }

    /**
     * Checks if `value` is classified as a `Map` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     * @example
     *
     * _.isMap(new Map);
     * // => true
     *
     * _.isMap(new WeakMap);
     * // => false
     */
    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

    /**
     * Performs a partial deep comparison between `object` and `source` to
     * determine if `object` contains equivalent property values.
     *
     * **Note:** This method is equivalent to `_.matches` when `source` is
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @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 = { 'a': 1, 'b': 2 };
     *
     * _.isMatch(object, { 'b': 2 });
     * // => true
     *
     * _.isMatch(object, { 'b': 1 });
     * // => 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 pristine native function.
     *
     * **Note:** This method can't reliably detect native functions in the presence
     * of the core-js package because core-js circumvents this kind of detection.
     * Despite multiple requests, the core-js maintainer has made it clear: any
     * attempt to fix the detection will be obstructed. As a result, we're left
     * with little choice but to throw an error. Unfortunately, this also affects
     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
     * which rely on core-js.
     *
     * @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 (isMaskable(value)) {
        throw new Error(CORE_ERROR_TEXT);
      }
      return baseIsNative(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 a number, 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) && baseGetTag(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) || baseGetTag(value) != objectTag) {
        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 a regexp, else `false`.
     * @example
     *
     * _.isRegExp(/abc/);
     * // => true
     *
     * _.isRegExp('/abc/');
     * // => false
     */
    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

    /**
     * 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 a set, else `false`.
     * @example
     *
     * _.isSet(new Set);
     * // => true
     *
     * _.isSet(new WeakSet);
     * // => false
     */
    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

    /**
     * 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 a string, else `false`.
     * @example
     *
     * _.isString('abc');
     * // => true
     *
     * _.isString(1);
     * // => false
     */
    function isString(value) {
      return typeof value == 'string' ||
        (!isArray(value) && isObjectLike(value) && baseGetTag(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 a symbol, else `false`.
     * @example
     *
     * _.isSymbol(Symbol.iterator);
     * // => true
     *
     * _.isSymbol('abc');
     * // => false
     */
    function isSymbol(value) {
      return typeof value == 'symbol' ||
        (isObjectLike(value) && baseGetTag(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 a typed array, else `false`.
     * @example
     *
     * _.isTypedArray(new Uint8Array);
     * // => true
     *
     * _.isTypedArray([]);
     * // => false
     */
    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

    /**
     * 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 a weak map, 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 a weak set, else `false`.
     * @example
     *
     * _.isWeakSet(new WeakSet);
     * // => true
     *
     * _.isWeakSet(new Set);
     * // => false
     */
    function isWeakSet(value) {
      return isObjectLike(value) && baseGetTag(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 (symIterator && value[symIterator]) {
        return iteratorToArray(value[symIterator]());
      }
      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 method is loosely based on
     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#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-262/7.0/#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 = typeof value.valueOf == 'function' ? 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 value
        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
        : (value === 0 ? value : 0);
    }

    /**
     * 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 convert.
     * @returns {string} Returns the converted 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.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assign({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'c': 3 }
     */
    var assign = createAssigner(function(object, source) {
      if (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.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
     */
    var assignIn = createAssigner(function(object, source) {
      copyObject(source, keysIn(source), object);
    });

    /**
     * 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 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]
     */
    var at = flatRest(baseAt);

    /**
     * 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 == null ? result : baseAssign(result, properties);
    }

    /**
     * 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({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var defaults = baseRest(function(args) {
      args.push(undefined, customDefaultsAssignIn);
      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({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
     * // => { 'a': { 'b': 2, 'c': 3 } }
     */
    var defaultsDeep = baseRest(function(args) {
      args.push(undefined, customDefaultsMerge);
      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 inspect.
     * @param {Function} [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 baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
    }

    /**
     * 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 inspect.
     * @param {Function} [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 baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
    }

    /**
     * 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 returned 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 {Function} [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 = baseRest(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-262/7.0/#sec-object.keys)
     * for more details.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keys(new Foo);
     * // => ['a', 'b'] (iteration order is not guaranteed)
     *
     * _.keys('hi');
     * // => ['0', '1']
     */
    function keys(object) {
      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
    }

    /**
     * Creates an array of the own and inherited enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keysIn(new Foo);
     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
     */
    function keysIn(object) {
      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
    }

    /**
     * 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 {Function} [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) {
        baseAssignValue(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 {Function} [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) {
        baseAssignValue(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 object = {
     *   'a': [{ 'b': 2 }, { 'd': 4 }]
     * };
     *
     * var other = {
     *   'a': [{ 'c': 3 }, { 'e': 5 }]
     * };
     *
     * _.merge(object, other);
     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
     */
    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 six 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 = { 'a': [1], 'b': [2] };
     * var other = { 'a': [3], 'b': [4] };
     *
     * _.mergeWith(object, other, customizer);
     * // => { 'a': [1, 3], 'b': [2, 4] }
     */
    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 property paths of `object` that are not omitted.
     *
     * **Note:** This method is considerably slower than `_.pick`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths 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 = flatRest(function(object, paths) {
      var result = {};
      if (object == null) {
        return result;
      }
      var isDeep = false;
      paths = arrayMap(paths, function(path) {
        path = castPath(path, object);
        isDeep || (isDeep = path.length > 1);
        return path;
      });
      copyObject(object, getAllKeysIn(object), result);
      if (isDeep) {
        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
      }
      var length = paths.length;
      while (length--) {
        baseUnset(result, paths[length]);
      }
      return result;
    });

    /**
     * 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 {Function} [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) {
      return pickBy(object, negate(getIteratee(predicate)));
    }

    /**
     * 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[])} [paths] The property paths 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 = flatRest(function(object, paths) {
      return object == null ? {} : basePick(object, paths);
    });

    /**
     * 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 {Function} [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) {
      if (object == null) {
        return {};
      }
      var props = arrayMap(getAllKeysIn(object), function(prop) {
        return [prop];
      });
      predicate = getIteratee(predicate);
      return basePickBy(object, props, function(value, path) {
        return predicate(value, path[0]);
      });
    }

    /**
     * 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 = castPath(path, object);

      var index = -1,
          length = path.length;

      // Ensure the loop is entered when path is empty.
      if (!length) {
        length = 1;
        object = undefined;
      }
      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. If `accumulator` is not
     * provided, a new object with the same `[[Prototype]]` will be used. 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 {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),
          isArrLike = isArr || isBuffer(object) || isTypedArray(object);

      iteratee = getIteratee(iteratee, 4);
      if (accumulator == null) {
        var Ctor = object && object.constructor;
        if (isArrLike) {
          accumulator = isArr ? new Ctor : [];
        }
        else if (isObject(object)) {
          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
        }
        else {
          accumulator = {};
        }
      }
      (isArrLike ? 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 == null ? [] : 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 = toFinite(start);
      if (end === undefined) {
        end = start;
        start = 0;
      } else {
        end = toFinite(end);
      }
      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 = toFinite(lower);
        if (upper === undefined) {
          upper = lower;
          lower = 0;
        } else {
          upper = toFinite(upper);
        }
      }
      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 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     * letters 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(reLatin, 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 inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=string.length] The position to search up to.
     * @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);

      var end = position;
      position -= target.length;
      return position >= 0 && string.slice(position, end) == target;
    }

    /**
     * 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.
     *
     * 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, &amp; 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) {
      if (guard || radix == null) {
        radix = 0;
      } else if (radix) {
        radix = +radix;
      }
      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
    }

    /**
     * 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 : string.replace(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 && hasUnicode(string)) {
          return castSlice(stringToArray(string), 0, limit);
        }
      }
      return string.split(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 inspect.
     * @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 = position == null
        ? 0
        : baseClamp(toInteger(position), 0, string.length);

      target = baseToString(target);
      return string.slice(position, position + target.length) == target;
    }

    /**
     * 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('<b><%- value %></b>');
     * compiled({ 'value': '<script>' });
     * // => '<b>&lt;script&gt;</b>'
     *
     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the internal `print` function in "evaluate" delimiters.
     * var compiled = _.template('<% print("hello " + user); %>!');
     * compiled({ 'user': 'barney' });
     * // => 'hello barney!'
     *
     * // Use the ES template literal delimiter as an "interpolate" delimiter.
     * // Disable support by replacing the "interpolate" delimiter.
     * var compiled = _.template('hello ${ user }!');
     * compiled({ 'user': 'pebbles' });
     * // => 'hello pebbles!'
     *
     * // Use backslashes to treat delimiters as plain text.
     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
     * compiled({ 'value': 'ignored' });
     * // => '<%- value %>'
     *
     * // Use the `imports` option to import `jQuery` as `jq`.
     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
     * compiled(data);
     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
     *
     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
     * compiled.source;
     * // => function(data) {
     * //   var __t, __p = '';
     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
     * //   return __p;
     * // }
     *
     * // Use custom template delimiters.
     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
     * var compiled = _.template('hello {{ user }}!');
     * compiled({ 'user': 'mustache' });
     * // => 'hello mustache!'
     *
     * // Use the `source` property to inline compiled templates for meaningful
     * // line numbers in error messages and stack traces.
     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
     *   var JST = {\
     *     "main": ' + _.template(mainText).source + '\
     *   };\
     * ');
     */
    function template(string, options, guard) {
      // Based on John Resig's `tmpl` implementation
      // (http://ejohn.org/blog/javascript-micro-templating/)
      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
      var settings = lodash.templateSettings;

      if (guard && isIterateeCall(string, options, guard)) {
        options = undefined;
      }
      string = toString(string);
      options = assignInWith({}, options, settings, customDefaultsAssignIn);

      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
          importsKeys = keys(imports),
          importsValues = baseValues(imports, importsKeys);

      var isEscaping,
          isEvaluating,
          index = 0,
          interpolate = options.interpolate || reNoMatch,
          source = "__p += '";

      // Compile the regexp to match each delimiter.
      var reDelimiters = RegExp(
        (options.escape || reNoMatch).source + '|' +
        interpolate.source + '|' +
        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
        (options.evaluate || reNoMatch).source + '|$'
      , 'g');

      // Use a sourceURL for easier debugging.
      var sourceURL = '//# sourceURL=' +
        ('sourceURL' in options
          ? options.sourceURL
          : ('lodash.templateSources[' + (++templateCounter) + ']')
        ) + '\n';

      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
        interpolateValue || (interpolateValue = esTemplateValue);

        // Escape characters that can't be included in string literals.
        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

        // Replace delimiters with snippets.
        if (escapeValue) {
          isEscaping = true;
          source += "' +\n__e(" + escapeValue + ") +\n'";
        }
        if (evaluateValue) {
          isEvaluating = true;
          source += "';\n" + evaluateValue + ";\n__p += '";
        }
        if (interpolateValue) {
          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
        }
        index = offset + match.length;

        // The JS engine embedded in Adobe products needs `match` returned in
        // order to produce the correct `offset` value.
        return match;
      });

      source += "';\n";

      // If `variable` is not specified wrap a with-statement around the generated
      // code to add the data object to the top of the scope chain.
      var variable = options.variable;
      if (!variable) {
        source = 'with (obj) {\n' + source + '\n}\n';
      }
      // Cleanup code by stripping empty strings.
      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
        .replace(reEmptyStringMiddle, '$1')
        .replace(reEmptyStringTrailing, '$1;');

      // Frame code as the function body.
      source = 'function(' + (variable || 'obj') + ') {\n' +
        (variable
          ? ''
          : 'obj || (obj = {});\n'
        ) +
        "var __t, __p = ''" +
        (isEscaping
           ? ', __e = _.escape'
           : ''
        ) +
        (isEvaluating
          ? ', __j = Array.prototype.join;\n' +
            "function print() { __p += __j.call(arguments, '') }\n"
          : ';\n'
        ) +
        source +
        'return __p\n}';

      var result = attempt(function() {
        return Function(importsKeys, sourceURL + 'return ' + source)
          .apply(undefined, importsValues);
      });

      // Provide the compiled function's source by its `toString` method or
      // the `source` property as a convenience for inlining compiled templates.
      result.source = source;
      if (isError(result)) {
        throw result;
      }
      return result;
    }

    /**
     * Converts `string`, as a whole, to lower case just like
     * [String#toLowerCase](https://mdn.io/toLowerCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.toLower('--Foo-Bar--');
     * // => '--foo-bar--'
     *
     * _.toLower('fooBar');
     * // => 'foobar'
     *
     * _.toLower('__FOO_BAR__');
     * // => '__foo_bar__'
     */
    function toLower(value) {
      return toString(value).toLowerCase();
    }

    /**
     * Converts `string`, as a whole, to upper case just like
     * [String#toUpperCase](https://mdn.io/toUpperCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.toUpper('--foo-bar--');
     * // => '--FOO-BAR--'
     *
     * _.toUpper('fooBar');
     * // => 'FOOBAR'
     *
     * _.toUpper('__foo_bar__');
     * // => '__FOO_BAR__'
     */
    function toUpper(value) {
      return toString(value).toUpperCase();
    }

    /**
     * Removes leading and trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trim('  abc  ');
     * // => 'abc'
     *
     * _.trim('-_-abc-_-', '_-');
     * // => 'abc'
     *
     * _.map(['  foo  ', '  bar  '], _.trim);
     * // => ['foo', 'bar']
     */
    function trim(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrim, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          chrSymbols = stringToArray(chars),
          start = charsStartIndex(strSymbols, chrSymbols),
          end = charsEndIndex(strSymbols, chrSymbols) + 1;

      return castSlice(strSymbols, start, end).join('');
    }

    /**
     * Removes trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimEnd('  abc  ');
     * // => '  abc'
     *
     * _.trimEnd('-_-abc-_-', '_-');
     * // => '-_-abc'
     */
    function trimEnd(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimEnd, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

      return castSlice(strSymbols, 0, end).join('');
    }

    /**
     * Removes leading whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimStart('  abc  ');
     * // => 'abc  '
     *
     * _.trimStart('-_-abc-_-', '_-');
     * // => 'abc-_-'
     */
    function trimStart(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimStart, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          start = charsStartIndex(strSymbols, stringToArray(chars));

      return castSlice(strSymbols, start).join('');
    }

    /**
     * Truncates `string` if it's longer than the given maximum string length.
     * The last characters of the truncated string are replaced with the omission
     * string which defaults to "...".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to truncate.
     * @param {Object} [options={}] The options object.
     * @param {number} [options.length=30] The maximum string length.
     * @param {string} [options.omission='...'] The string to indicate text is omitted.
     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
     * @returns {string} Returns the truncated string.
     * @example
     *
     * _.truncate('hi-diddly-ho there, neighborino');
     * // => 'hi-diddly-ho there, neighbo...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': ' '
     * });
     * // => 'hi-diddly-ho there,...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': /,? +/
     * });
     * // => 'hi-diddly-ho there...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'omission': ' [...]'
     * });
     * // => 'hi-diddly-ho there, neig [...]'
     */
    function truncate(string, options) {
      var length = DEFAULT_TRUNC_LENGTH,
          omission = DEFAULT_TRUNC_OMISSION;

      if (isObject(options)) {
        var separator = 'separator' in options ? options.separator : separator;
        length = 'length' in options ? toInteger(options.length) : length;
        omission = 'omission' in options ? baseToString(options.omission) : omission;
      }
      string = toString(string);

      var strLength = string.length;
      if (hasUnicode(string)) {
        var strSymbols = stringToArray(string);
        strLength = strSymbols.length;
      }
      if (length >= strLength) {
        return string;
      }
      var end = length - stringSize(omission);
      if (end < 1) {
        return omission;
      }
      var result = strSymbols
        ? castSlice(strSymbols, 0, end).join('')
        : string.slice(0, end);

      if (separator === undefined) {
        return result + omission;
      }
      if (strSymbols) {
        end += (result.length - end);
      }
      if (isRegExp(separator)) {
        if (string.slice(end).search(separator)) {
          var match,
              substring = result;

          if (!separator.global) {
            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
          }
          separator.lastIndex = 0;
          while ((match = separator.exec(substring))) {
            var newEnd = match.index;
          }
          result = result.slice(0, newEnd === undefined ? end : newEnd);
        }
      } else if (string.indexOf(baseToString(separator), end) != end) {
        var index = result.lastIndexOf(separator);
        if (index > -1) {
          result = result.slice(0, index);
        }
      }
      return result + omission;
    }

    /**
     * The inverse of `_.escape`; this method converts the HTML entities
     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
     * their corresponding characters.
     *
     * **Note:** No other HTML entities are unescaped. To unescape additional
     * HTML entities use a third-party library like [_he_](https://mths.be/he).
     *
     * @static
     * @memberOf _
     * @since 0.6.0
     * @category String
     * @param {string} [string=''] The string to unescape.
     * @returns {string} Returns the unescaped string.
     * @example
     *
     * _.unescape('fred, barney, &amp; pebbles');
     * // => 'fred, barney, & pebbles'
     */
    function unescape(string) {
      string = toString(string);
      return (string && reHasEscapedHtml.test(string))
        ? string.replace(reEscapedHtml, unescapeHtmlChar)
        : string;
    }

    /**
     * Converts `string`, as space separated words, to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.upperCase('--foo-bar');
     * // => 'FOO BAR'
     *
     * _.upperCase('fooBar');
     * // => 'FOO BAR'
     *
     * _.upperCase('__foo_bar__');
     * // => 'FOO BAR'
     */
    var upperCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toUpperCase();
    });

    /**
     * Converts the first character of `string` to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.upperFirst('fred');
     * // => 'Fred'
     *
     * _.upperFirst('FRED');
     * // => 'FRED'
     */
    var upperFirst = createCaseFirst('toUpperCase');

    /**
     * Splits `string` into an array of its words.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {RegExp|string} [pattern] The pattern to match words.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the words of `string`.
     * @example
     *
     * _.words('fred, barney, & pebbles');
     * // => ['fred', 'barney', 'pebbles']
     *
     * _.words('fred, barney, & pebbles', /[^, ]+/g);
     * // => ['fred', 'barney', '&', 'pebbles']
     */
    function words(string, pattern, guard) {
      string = toString(string);
      pattern = guard ? undefined : pattern;

      if (pattern === undefined) {
        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
      }
      return string.match(pattern) || [];
    }

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

    /**
     * Attempts to invoke `func`, returning either the result or the caught error
     * object. Any additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Function} func The function to attempt.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {*} Returns the `func` result or error object.
     * @example
     *
     * // Avoid throwing errors for invalid selectors.
     * var elements = _.attempt(function(selector) {
     *   return document.querySelectorAll(selector);
     * }, '>_>');
     *
     * if (_.isError(elements)) {
     *   elements = [];
     * }
     */
    var attempt = baseRest(function(func, args) {
      try {
        return apply(func, undefined, args);
      } catch (e) {
        return isError(e) ? e : new Error(e);
      }
    });

    /**
     * Binds methods of an object to the object itself, overwriting the existing
     * method.
     *
     * **Note:** This method doesn't set the "length" property of bound functions.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Object} object The object to bind and assign the bound methods to.
     * @param {...(string|string[])} methodNames The object method names to bind.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var view = {
     *   'label': 'docs',
     *   'click': function() {
     *     console.log('clicked ' + this.label);
     *   }
     * };
     *
     * _.bindAll(view, ['click']);
     * jQuery(element).on('click', view.click);
     * // => Logs 'clicked docs' when clicked.
     */
    var bindAll = flatRest(function(object, methodNames) {
      arrayEach(methodNames, function(key) {
        key = toKey(key);
        baseAssignValue(object, key, bind(object[key], object));
      });
      return object;
    });

    /**
     * Creates a function that iterates over `pairs` and invokes the corresponding
     * function of the first predicate to return truthy. The predicate-function
     * pairs are invoked with the `this` binding and arguments of the created
     * function.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Array} pairs The predicate-function pairs.
     * @returns {Function} Returns the new composite function.
     * @example
     *
     * var func = _.cond([
     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
     *   [_.stubTrue,                      _.constant('no match')]
     * ]);
     *
     * func({ 'a': 1, 'b': 2 });
     * // => 'matches A'
     *
     * func({ 'a': 0, 'b': 1 });
     * // => 'matches B'
     *
     * func({ 'a': '1', 'b': '2' });
     * // => 'no match'
     */
    function cond(pairs) {
      var length = pairs == null ? 0 : pairs.length,
          toIteratee = getIteratee();

      pairs = !length ? [] : arrayMap(pairs, function(pair) {
        if (typeof pair[1] != 'function') {
          throw new TypeError(FUNC_ERROR_TEXT);
        }
        return [toIteratee(pair[0]), pair[1]];
      });

      return baseRest(function(args) {
        var index = -1;
        while (++index < length) {
          var pair = pairs[index];
          if (apply(pair[0], this, args)) {
            return apply(pair[1], this, args);
          }
        }
      });
    }

    /**
     * Creates a function that invokes the predicate properties of `source` with
     * the corresponding property values of a given object, returning `true` if
     * all predicates return truthy, else `false`.
     *
     * **Note:** The created function is equivalent to `_.conformsTo` with
     * `source` partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 2, 'b': 1 },
     *   { 'a': 1, 'b': 2 }
     * ];
     *
     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
     * // => [{ 'a': 1, 'b': 2 }]
     */
    function conforms(source) {
      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that returns `value`.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {*} value The value to return from the new function.
     * @returns {Function} Returns the new constant function.
     * @example
     *
     * var objects = _.times(2, _.constant({ 'a': 1 }));
     *
     * console.log(objects);
     * // => [{ 'a': 1 }, { 'a': 1 }]
     *
     * console.log(objects[0] === objects[1]);
     * // => true
     */
    function constant(value) {
      return function() {
        return value;
      };
    }

    /**
     * Checks `value` to determine whether a default value should be returned in
     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
     * or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Util
     * @param {*} value The value to check.
     * @param {*} defaultValue The default value.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * _.defaultTo(1, 10);
     * // => 1
     *
     * _.defaultTo(undefined, 10);
     * // => 10
     */
    function defaultTo(value, defaultValue) {
      return (value == null || value !== value) ? defaultValue : value;
    }

    /**
     * Creates a function that returns the result of invoking the given functions
     * with the `this` binding of the created function, where each successive
     * invocation is supplied the return value of the previous.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flowRight
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flow([_.add, square]);
     * addSquare(1, 2);
     * // => 9
     */
    var flow = createFlow();

    /**
     * This method is like `_.flow` except that it creates a function that
     * invokes the given functions from right to left.
     *
     * @static
     * @since 3.0.0
     * @memberOf _
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flow
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flowRight([square, _.add]);
     * addSquare(1, 2);
     * // => 9
     */
    var flowRight = createFlow(true);

    /**
     * This method returns the first argument it receives.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {*} value Any value.
     * @returns {*} Returns `value`.
     * @example
     *
     * var object = { 'a': 1 };
     *
     * console.log(_.identity(object) === object);
     * // => true
     */
    function identity(value) {
      return value;
    }

    /**
     * Creates a function that invokes `func` with the arguments of the created
     * function. If `func` is a property name, the created function returns the
     * property value for a given element. If `func` is an array or object, the
     * created function returns `true` for elements that contain the equivalent
     * source properties, otherwise it returns `false`.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Util
     * @param {*} [func=_.identity] The value to convert to a callback.
     * @returns {Function} Returns the callback.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, _.iteratee(['user', 'fred']));
     * // => [{ 'user': 'fred', 'age': 40 }]
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, _.iteratee('user'));
     * // => ['barney', 'fred']
     *
     * // Create custom iteratee shorthands.
     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
     *     return func.test(string);
     *   };
     * });
     *
     * _.filter(['abc', 'def'], /ef/);
     * // => ['def']
     */
    function iteratee(func) {
      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between a given
     * object and `source`, returning `true` if the given object has equivalent
     * property values, else `false`.
     *
     * **Note:** The created function is equivalent to `_.isMatch` with `source`
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matches(source) {
      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between the
     * value at `path` of a given object to `srcValue`, returning `true` if the
     * object value is equivalent, else `false`.
     *
     * **Note:** Partial comparisons will match empty array and empty object
     * `srcValue` values against any array or object value, respectively. See
     * `_.isEqual` for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.find(objects, _.matchesProperty('a', 4));
     * // => { 'a': 4, 'b': 5, 'c': 6 }
     */
    function matchesProperty(path, srcValue) {
      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that invokes the method at `path` of a given object.
     * Any additional arguments are provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': _.constant(2) } },
     *   { 'a': { 'b': _.constant(1) } }
     * ];
     *
     * _.map(objects, _.method('a.b'));
     * // => [2, 1]
     *
     * _.map(objects, _.method(['a', 'b']));
     * // => [2, 1]
     */
    var method = baseRest(function(path, args) {
      return function(object) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * The opposite of `_.method`; this method creates a function that invokes
     * the method at a given path of `object`. Any additional arguments are
     * provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Object} object The object to query.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var array = _.times(3, _.constant),
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
     * // => [2, 0]
     */
    var methodOf = baseRest(function(object, args) {
      return function(path) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * Adds all own enumerable string keyed function properties of a source
     * object to the destination object. If `object` is a function, then methods
     * are added to its prototype as well.
     *
     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
     * avoid conflicts caused by modifying the original.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Function|Object} [object=lodash] The destination object.
     * @param {Object} source The object of functions to add.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
     * @returns {Function|Object} Returns `object`.
     * @example
     *
     * function vowels(string) {
     *   return _.filter(string, function(v) {
     *     return /[aeiou]/i.test(v);
     *   });
     * }
     *
     * _.mixin({ 'vowels': vowels });
     * _.vowels('fred');
     * // => ['e']
     *
     * _('fred').vowels().value();
     * // => ['e']
     *
     * _.mixin({ 'vowels': vowels }, { 'chain': false });
     * _('fred').vowels();
     * // => ['e']
     */
    function mixin(object, source, options) {
      var props = keys(source),
          methodNames = baseFunctions(source, props);

      if (options == null &&
          !(isObject(source) && (methodNames.length || !props.length))) {
        options = source;
        source = object;
        object = this;
        methodNames = baseFunctions(source, keys(source));
      }
      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
          isFunc = isFunction(object);

      arrayEach(methodNames, function(methodName) {
        var func = source[methodName];
        object[methodName] = func;
        if (isFunc) {
          object.prototype[methodName] = function() {
            var chainAll = this.__chain__;
            if (chain || chainAll) {
              var result = object(this.__wrapped__),
                  actions = result.__actions__ = copyArray(this.__actions__);

              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
              result.__chain__ = chainAll;
              return result;
            }
            return func.apply(object, arrayPush([this.value()], arguments));
          };
        }
      });

      return object;
    }

    /**
     * Reverts the `_` variable to its previous value and returns a reference to
     * the `lodash` function.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @returns {Function} Returns the `lodash` function.
     * @example
     *
     * var lodash = _.noConflict();
     */
    function noConflict() {
      if (root._ === this) {
        root._ = oldDash;
      }
      return this;
    }

    /**
     * This method returns `undefined`.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Util
     * @example
     *
     * _.times(2, _.noop);
     * // => [undefined, undefined]
     */
    function noop() {
      // No operation performed.
    }

    /**
     * Creates a function that gets the argument at index `n`. If `n` is negative,
     * the nth argument from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [n=0] The index of the argument to return.
     * @returns {Function} Returns the new pass-thru function.
     * @example
     *
     * var func = _.nthArg(1);
     * func('a', 'b', 'c', 'd');
     * // => 'b'
     *
     * var func = _.nthArg(-2);
     * func('a', 'b', 'c', 'd');
     * // => 'c'
     */
    function nthArg(n) {
      n = toInteger(n);
      return baseRest(function(args) {
        return baseNth(args, n);
      });
    }

    /**
     * Creates a function that invokes `iteratees` with the arguments it receives
     * and returns their results.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to invoke.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.over([Math.max, Math.min]);
     *
     * func(1, 2, 3, 4);
     * // => [4, 1]
     */
    var over = createOver(arrayMap);

    /**
     * Creates a function that checks if **all** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overEvery([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => false
     *
     * func(NaN);
     * // => false
     */
    var overEvery = createOver(arrayEvery);

    /**
     * Creates a function that checks if **any** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overSome([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => true
     *
     * func(NaN);
     * // => false
     */
    var overSome = createOver(arraySome);

    /**
     * Creates a function that returns the value at `path` of a given object.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': 2 } },
     *   { 'a': { 'b': 1 } }
     * ];
     *
     * _.map(objects, _.property('a.b'));
     * // => [2, 1]
     *
     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
     * // => [1, 2]
     */
    function property(path) {
      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
    }

    /**
     * The opposite of `_.property`; this method creates a function that returns
     * the value at a given path of `object`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} object The object to query.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var array = [0, 1, 2],
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
     * // => [2, 0]
     */
    function propertyOf(object) {
      return function(path) {
        return object == null ? undefined : baseGet(object, path);
      };
    }

    /**
     * Creates an array of numbers (positive and/or negative) progressing from
     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
     * `start` is specified without an `end` or `step`. If `end` is not specified,
     * it's set to `start` with `start` then set to `0`.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.rangeRight
     * @example
     *
     * _.range(4);
     * // => [0, 1, 2, 3]
     *
     * _.range(-4);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 5);
     * // => [1, 2, 3, 4]
     *
     * _.range(0, 20, 5);
     * // => [0, 5, 10, 15]
     *
     * _.range(0, -4, -1);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.range(0);
     * // => []
     */
    var range = createRange();

    /**
     * This method is like `_.range` except that it populates values in
     * descending order.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.range
     * @example
     *
     * _.rangeRight(4);
     * // => [3, 2, 1, 0]
     *
     * _.rangeRight(-4);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 5);
     * // => [4, 3, 2, 1]
     *
     * _.rangeRight(0, 20, 5);
     * // => [15, 10, 5, 0]
     *
     * _.rangeRight(0, -4, -1);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.rangeRight(0);
     * // => []
     */
    var rangeRight = createRange(true);

    /**
     * This method returns a new empty array.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Array} Returns the new empty array.
     * @example
     *
     * var arrays = _.times(2, _.stubArray);
     *
     * console.log(arrays);
     * // => [[], []]
     *
     * console.log(arrays[0] === arrays[1]);
     * // => false
     */
    function stubArray() {
      return [];
    }

    /**
     * This method returns `false`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `false`.
     * @example
     *
     * _.times(2, _.stubFalse);
     * // => [false, false]
     */
    function stubFalse() {
      return false;
    }

    /**
     * This method returns a new empty object.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Object} Returns the new empty object.
     * @example
     *
     * var objects = _.times(2, _.stubObject);
     *
     * console.log(objects);
     * // => [{}, {}]
     *
     * console.log(objects[0] === objects[1]);
     * // => false
     */
    function stubObject() {
      return {};
    }

    /**
     * This method returns an empty string.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {string} Returns the empty string.
     * @example
     *
     * _.times(2, _.stubString);
     * // => ['', '']
     */
    function stubString() {
      return '';
    }

    /**
     * This method returns `true`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `true`.
     * @example
     *
     * _.times(2, _.stubTrue);
     * // => [true, true]
     */
    function stubTrue() {
      return true;
    }

    /**
     * Invokes the iteratee `n` times, returning an array of the results of
     * each invocation. The iteratee is invoked with one argument; (index).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} n The number of times to invoke `iteratee`.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.times(3, String);
     * // => ['0', '1', '2']
     *
     *  _.times(4, _.constant(0));
     * // => [0, 0, 0, 0]
     */
    function times(n, iteratee) {
      n = toInteger(n);
      if (n < 1 || n > MAX_SAFE_INTEGER) {
        return [];
      }
      var index = MAX_ARRAY_LENGTH,
          length = nativeMin(n, MAX_ARRAY_LENGTH);

      iteratee = getIteratee(iteratee);
      n -= MAX_ARRAY_LENGTH;

      var result = baseTimes(length, iteratee);
      while (++index < n) {
        iteratee(index);
      }
      return result;
    }

    /**
     * Converts `value` to a property path array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {*} value The value to convert.
     * @returns {Array} Returns the new property path array.
     * @example
     *
     * _.toPath('a.b.c');
     * // => ['a', 'b', 'c']
     *
     * _.toPath('a[0].b.c');
     * // => ['a', '0', 'b', 'c']
     */
    function toPath(value) {
      if (isArray(value)) {
        return arrayMap(value, toKey);
      }
      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
    }

    /**
     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {string} [prefix=''] The value to prefix the ID with.
     * @returns {string} Returns the unique ID.
     * @example
     *
     * _.uniqueId('contact_');
     * // => 'contact_104'
     *
     * _.uniqueId();
     * // => '105'
     */
    function uniqueId(prefix) {
      var id = ++idCounter;
      return toString(prefix) + id;
    }

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

    /**
     * Adds two numbers.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {number} augend The first number in an addition.
     * @param {number} addend The second number in an addition.
     * @returns {number} Returns the total.
     * @example
     *
     * _.add(6, 4);
     * // => 10
     */
    var add = createMathOperation(function(augend, addend) {
      return augend + addend;
    }, 0);

    /**
     * Computes `number` rounded up to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round up.
     * @param {number} [precision=0] The precision to round up to.
     * @returns {number} Returns the rounded up number.
     * @example
     *
     * _.ceil(4.006);
     * // => 5
     *
     * _.ceil(6.004, 2);
     * // => 6.01
     *
     * _.ceil(6040, -2);
     * // => 6100
     */
    var ceil = createRound('ceil');

    /**
     * Divide two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} dividend The first number in a division.
     * @param {number} divisor The second number in a division.
     * @returns {number} Returns the quotient.
     * @example
     *
     * _.divide(6, 4);
     * // => 1.5
     */
    var divide = createMathOperation(function(dividend, divisor) {
      return dividend / divisor;
    }, 1);

    /**
     * Computes `number` rounded down to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round down.
     * @param {number} [precision=0] The precision to round down to.
     * @returns {number} Returns the rounded down number.
     * @example
     *
     * _.floor(4.006);
     * // => 4
     *
     * _.floor(0.046, 2);
     * // => 0.04
     *
     * _.floor(4060, -2);
     * // => 4000
     */
    var floor = createRound('floor');

    /**
     * Computes the maximum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * _.max([4, 2, 8, 6]);
     * // => 8
     *
     * _.max([]);
     * // => undefined
     */
    function max(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseGt)
        : undefined;
    }

    /**
     * This method is like `_.max` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.maxBy(objects, function(o) { return o.n; });
     * // => { 'n': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.maxBy(objects, 'n');
     * // => { 'n': 2 }
     */
    function maxBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
        : undefined;
    }

    /**
     * Computes the mean of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the mean.
     * @example
     *
     * _.mean([4, 2, 8, 6]);
     * // => 5
     */
    function mean(array) {
      return baseMean(array, identity);
    }

    /**
     * This method is like `_.mean` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be averaged.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the mean.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.meanBy(objects, function(o) { return o.n; });
     * // => 5
     *
     * // The `_.property` iteratee shorthand.
     * _.meanBy(objects, 'n');
     * // => 5
     */
    function meanBy(array, iteratee) {
      return baseMean(array, getIteratee(iteratee, 2));
    }

    /**
     * Computes the minimum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * _.min([4, 2, 8, 6]);
     * // => 2
     *
     * _.min([]);
     * // => undefined
     */
    function min(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseLt)
        : undefined;
    }

    /**
     * This method is like `_.min` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.minBy(objects, function(o) { return o.n; });
     * // => { 'n': 1 }
     *
     * // The `_.property` iteratee shorthand.
     * _.minBy(objects, 'n');
     * // => { 'n': 1 }
     */
    function minBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
        : undefined;
    }

    /**
     * Multiply two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} multiplier The first number in a multiplication.
     * @param {number} multiplicand The second number in a multiplication.
     * @returns {number} Returns the product.
     * @example
     *
     * _.multiply(6, 4);
     * // => 24
     */
    var multiply = createMathOperation(function(multiplier, multiplicand) {
      return multiplier * multiplicand;
    }, 1);

    /**
     * Computes `number` rounded to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round.
     * @param {number} [precision=0] The precision to round to.
     * @returns {number} Returns the rounded number.
     * @example
     *
     * _.round(4.006);
     * // => 4
     *
     * _.round(4.006, 2);
     * // => 4.01
     *
     * _.round(4060, -2);
     * // => 4100
     */
    var round = createRound('round');

    /**
     * Subtract two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {number} minuend The first number in a subtraction.
     * @param {number} subtrahend The second number in a subtraction.
     * @returns {number} Returns the difference.
     * @example
     *
     * _.subtract(6, 4);
     * // => 2
     */
    var subtract = createMathOperation(function(minuend, subtrahend) {
      return minuend - subtrahend;
    }, 0);

    /**
     * Computes the sum of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the sum.
     * @example
     *
     * _.sum([4, 2, 8, 6]);
     * // => 20
     */
    function sum(array) {
      return (array && array.length)
        ? baseSum(array, identity)
        : 0;
    }

    /**
     * This method is like `_.sum` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be summed.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the sum.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.sumBy(objects, function(o) { return o.n; });
     * // => 20
     *
     * // The `_.property` iteratee shorthand.
     * _.sumBy(objects, 'n');
     * // => 20
     */
    function sumBy(array, iteratee) {
      return (array && array.length)
        ? baseSum(array, getIteratee(iteratee, 2))
        : 0;
    }

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

    // Add methods that return wrapped values in chain sequences.
    lodash.after = after;
    lodash.ary = ary;
    lodash.assign = assign;
    lodash.assignIn = assignIn;
    lodash.assignInWith = assignInWith;
    lodash.assignWith = assignWith;
    lodash.at = at;
    lodash.before = before;
    lodash.bind = bind;
    lodash.bindAll = bindAll;
    lodash.bindKey = bindKey;
    lodash.castArray = castArray;
    lodash.chain = chain;
    lodash.chunk = chunk;
    lodash.compact = compact;
    lodash.concat = concat;
    lodash.cond = cond;
    lodash.conforms = conforms;
    lodash.constant = constant;
    lodash.countBy = countBy;
    lodash.create = create;
    lodash.curry = curry;
    lodash.curryRight = curryRight;
    lodash.debounce = debounce;
    lodash.defaults = defaults;
    lodash.defaultsDeep = defaultsDeep;
    lodash.defer = defer;
    lodash.delay = delay;
    lodash.difference = difference;
    lodash.differenceBy = differenceBy;
    lodash.differenceWith = differenceWith;
    lodash.drop = drop;
    lodash.dropRight = dropRight;
    lodash.dropRightWhile = dropRightWhile;
    lodash.dropWhile = dropWhile;
    lodash.fill = fill;
    lodash.filter = filter;
    lodash.flatMap = flatMap;
    lodash.flatMapDeep = flatMapDeep;
    lodash.flatMapDepth = flatMapDepth;
    lodash.flatten = flatten;
    lodash.flattenDeep = flattenDeep;
    lodash.flattenDepth = flattenDepth;
    lodash.flip = flip;
    lodash.flow = flow;
    lodash.flowRight = flowRight;
    lodash.fromPairs = fromPairs;
    lodash.functions = functions;
    lodash.functionsIn = functionsIn;
    lodash.groupBy = groupBy;
    lodash.initial = initial;
    lodash.intersection = intersection;
    lodash.intersectionBy = intersectionBy;
    lodash.intersectionWith = intersectionWith;
    lodash.invert = invert;
    lodash.invertBy = invertBy;
    lodash.invokeMap = invokeMap;
    lodash.iteratee = iteratee;
    lodash.keyBy = keyBy;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.map = map;
    lodash.mapKeys = mapKeys;
    lodash.mapValues = mapValues;
    lodash.matches = matches;
    lodash.matchesProperty = matchesProperty;
    lodash.memoize = memoize;
    lodash.merge = merge;
    lodash.mergeWith = mergeWith;
    lodash.method = method;
    lodash.methodOf = methodOf;
    lodash.mixin = mixin;
    lodash.negate = negate;
    lodash.nthArg = nthArg;
    lodash.omit = omit;
    lodash.omitBy = omitBy;
    lodash.once = once;
    lodash.orderBy = orderBy;
    lodash.over = over;
    lodash.overArgs = overArgs;
    lodash.overEvery = overEvery;
    lodash.overSome = overSome;
    lodash.partial = partial;
    lodash.partialRight = partialRight;
    lodash.partition = partition;
    lodash.pick = pick;
    lodash.pickBy = pickBy;
    lodash.property = property;
    lodash.propertyOf = propertyOf;
    lodash.pull = pull;
    lodash.pullAll = pullAll;
    lodash.pullAllBy = pullAllBy;
    lodash.pullAllWith = pullAllWith;
    lodash.pullAt = pullAt;
    lodash.range = range;
    lodash.rangeRight = rangeRight;
    lodash.rearg = rearg;
    lodash.reject = reject;
    lodash.remove = remove;
    lodash.rest = rest;
    lodash.reverse = reverse;
    lodash.sampleSize = sampleSize;
    lodash.set = set;
    lodash.setWith = setWith;
    lodash.shuffle = shuffle;
    lodash.slice = slice;
    lodash.sortBy = sortBy;
    lodash.sortedUniq = sortedUniq;
    lodash.sortedUniqBy = sortedUniqBy;
    lodash.split = split;
    lodash.spread = spread;
    lodash.tail = tail;
    lodash.take = take;
    lodash.takeRight = takeRight;
    lodash.takeRightWhile = takeRightWhile;
    lodash.takeWhile = takeWhile;
    lodash.tap = tap;
    lodash.throttle = throttle;
    lodash.thru = thru;
    lodash.toArray = toArray;
    lodash.toPairs = toPairs;
    lodash.toPairsIn = toPairsIn;
    lodash.toPath = toPath;
    lodash.toPlainObject = toPlainObject;
    lodash.transform = transform;
    lodash.unary = unary;
    lodash.union = union;
    lodash.unionBy = unionBy;
    lodash.unionWith = unionWith;
    lodash.uniq = uniq;
    lodash.uniqBy = uniqBy;
    lodash.uniqWith = uniqWith;
    lodash.unset = unset;
    lodash.unzip = unzip;
    lodash.unzipWith = unzipWith;
    lodash.update = update;
    lodash.updateWith = updateWith;
    lodash.values = values;
    lodash.valuesIn = valuesIn;
    lodash.without = without;
    lodash.words = words;
    lodash.wrap = wrap;
    lodash.xor = xor;
    lodash.xorBy = xorBy;
    lodash.xorWith = xorWith;
    lodash.zip = zip;
    lodash.zipObject = zipObject;
    lodash.zipObjectDeep = zipObjectDeep;
    lodash.zipWith = zipWith;

    // Add aliases.
    lodash.entries = toPairs;
    lodash.entriesIn = toPairsIn;
    lodash.extend = assignIn;
    lodash.extendWith = assignInWith;

    // Add methods to `lodash.prototype`.
    mixin(lodash, lodash);

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

    // Add methods that return unwrapped values in chain sequences.
    lodash.add = add;
    lodash.attempt = attempt;
    lodash.camelCase = camelCase;
    lodash.capitalize = capitalize;
    lodash.ceil = ceil;
    lodash.clamp = clamp;
    lodash.clone = clone;
    lodash.cloneDeep = cloneDeep;
    lodash.cloneDeepWith = cloneDeepWith;
    lodash.cloneWith = cloneWith;
    lodash.conformsTo = conformsTo;
    lodash.deburr = deburr;
    lodash.defaultTo = defaultTo;
    lodash.divide = divide;
    lodash.endsWith = endsWith;
    lodash.eq = eq;
    lodash.escape = escape;
    lodash.escapeRegExp = escapeRegExp;
    lodash.every = every;
    lodash.find = find;
    lodash.findIndex = findIndex;
    lodash.findKey = findKey;
    lodash.findLast = findLast;
    lodash.findLastIndex = findLastIndex;
    lodash.findLastKey = findLastKey;
    lodash.floor = floor;
    lodash.forEach = forEach;
    lodash.forEachRight = forEachRight;
    lodash.forIn = forIn;
    lodash.forInRight = forInRight;
    lodash.forOwn = forOwn;
    lodash.forOwnRight = forOwnRight;
    lodash.get = get;
    lodash.gt = gt;
    lodash.gte = gte;
    lodash.has = has;
    lodash.hasIn = hasIn;
    lodash.head = head;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.inRange = inRange;
    lodash.invoke = invoke;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isArrayBuffer = isArrayBuffer;
    lodash.isArrayLike = isArrayLike;
    lodash.isArrayLikeObject = isArrayLikeObject;
    lodash.isBoolean = isBoolean;
    lodash.isBuffer = isBuffer;
    lodash.isDate = isDate;
    lodash.isElement = isElement;
    lodash.isEmpty = isEmpty;
    lodash.isEqual = isEqual;
    lodash.isEqualWith = isEqualWith;
    lodash.isError = isError;
    lodash.isFinite = isFinite;
    lodash.isFunction = isFunction;
    lodash.isInteger = isInteger;
    lodash.isLength = isLength;
    lodash.isMap = isMap;
    lodash.isMatch = isMatch;
    lodash.isMatchWith = isMatchWith;
    lodash.isNaN = isNaN;
    lodash.isNative = isNative;
    lodash.isNil = isNil;
    lodash.isNull = isNull;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isObjectLike = isObjectLike;
    lodash.isPlainObject = isPlainObject;
    lodash.isRegExp = isRegExp;
    lodash.isSafeInteger = isSafeInteger;
    lodash.isSet = isSet;
    lodash.isString = isString;
    lodash.isSymbol = isSymbol;
    lodash.isTypedArray = isTypedArray;
    lodash.isUndefined = isUndefined;
    lodash.isWeakMap = isWeakMap;
    lodash.isWeakSet = isWeakSet;
    lodash.join = join;
    lodash.kebabCase = kebabCase;
    lodash.last = last;
    lodash.lastIndexOf = lastIndexOf;
    lodash.lowerCase = lowerCase;
    lodash.lowerFirst = lowerFirst;
    lodash.lt = lt;
    lodash.lte = lte;
    lodash.max = max;
    lodash.maxBy = maxBy;
    lodash.mean = mean;
    lodash.meanBy = meanBy;
    lodash.min = min;
    lodash.minBy = minBy;
    lodash.stubArray = stubArray;
    lodash.stubFalse = stubFalse;
    lodash.stubObject = stubObject;
    lodash.stubString = stubString;
    lodash.stubTrue = stubTrue;
    lodash.multiply = multiply;
    lodash.nth = nth;
    lodash.noConflict = noConflict;
    lodash.noop = noop;
    lodash.now = now;
    lodash.pad = pad;
    lodash.padEnd = padEnd;
    lodash.padStart = padStart;
    lodash.parseInt = parseInt;
    lodash.random = random;
    lodash.reduce = reduce;
    lodash.reduceRight = reduceRight;
    lodash.repeat = repeat;
    lodash.replace = replace;
    lodash.result = result;
    lodash.round = round;
    lodash.runInContext = runInContext;
    lodash.sample = sample;
    lodash.size = size;
    lodash.snakeCase = snakeCase;
    lodash.some = some;
    lodash.sortedIndex = sortedIndex;
    lodash.sortedIndexBy = sortedIndexBy;
    lodash.sortedIndexOf = sortedIndexOf;
    lodash.sortedLastIndex = sortedLastIndex;
    lodash.sortedLastIndexBy = sortedLastIndexBy;
    lodash.sortedLastIndexOf = sortedLastIndexOf;
    lodash.startCase = startCase;
    lodash.startsWith = startsWith;
    lodash.subtract = subtract;
    lodash.sum = sum;
    lodash.sumBy = sumBy;
    lodash.template = template;
    lodash.times = times;
    lodash.toFinite = toFinite;
    lodash.toInteger = toInteger;
    lodash.toLength = toLength;
    lodash.toLower = toLower;
    lodash.toNumber = toNumber;
    lodash.toSafeInteger = toSafeInteger;
    lodash.toString = toString;
    lodash.toUpper = toUpper;
    lodash.trim = trim;
    lodash.trimEnd = trimEnd;
    lodash.trimStart = trimStart;
    lodash.truncate = truncate;
    lodash.unescape = unescape;
    lodash.uniqueId = uniqueId;
    lodash.upperCase = upperCase;
    lodash.upperFirst = upperFirst;

    // Add aliases.
    lodash.each = forEach;
    lodash.eachRight = forEachRight;
    lodash.first = head;

    mixin(lodash, (function() {
      var source = {};
      baseForOwn(lodash, function(func, methodName) {
        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
          source[methodName] = func;
        }
      });
      return source;
    }()), { 'chain': false });

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

    /**
     * The semantic version number.
     *
     * @static
     * @memberOf _
     * @type {string}
     */
    lodash.VERSION = VERSION;

    // Assign default placeholders.
    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
      lodash[methodName].placeholder = lodash;
    });

    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
    arrayEach(['drop', 'take'], function(methodName, index) {
      LazyWrapper.prototype[methodName] = function(n) {
        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);

        var result = (this.__filtered__ && !index)
          ? new LazyWrapper(this)
          : this.clone();

        if (result.__filtered__) {
          result.__takeCount__ = nativeMin(n, result.__takeCount__);
        } else {
          result.__views__.push({
            'size': nativeMin(n, MAX_ARRAY_LENGTH),
            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
          });
        }
        return result;
      };

      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
        return this.reverse()[methodName](n).reverse();
      };
    });

    // Add `LazyWrapper` methods that accept an `iteratee` value.
    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
      var type = index + 1,
          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

      LazyWrapper.prototype[methodName] = function(iteratee) {
        var result = this.clone();
        result.__iteratees__.push({
          'iteratee': getIteratee(iteratee, 3),
          'type': type
        });
        result.__filtered__ = result.__filtered__ || isFilter;
        return result;
      };
    });

    // Add `LazyWrapper` methods for `_.head` and `_.last`.
    arrayEach(['head', 'last'], function(methodName, index) {
      var takeName = 'take' + (index ? 'Right' : '');

      LazyWrapper.prototype[methodName] = function() {
        return this[takeName](1).value()[0];
      };
    });

    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
    arrayEach(['initial', 'tail'], function(methodName, index) {
      var dropName = 'drop' + (index ? '' : 'Right');

      LazyWrapper.prototype[methodName] = function() {
        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
      };
    });

    LazyWrapper.prototype.compact = function() {
      return this.filter(identity);
    };

    LazyWrapper.prototype.find = function(predicate) {
      return this.filter(predicate).head();
    };

    LazyWrapper.prototype.findLast = function(predicate) {
      return this.reverse().find(predicate);
    };

    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
      if (typeof path == 'function') {
        return new LazyWrapper(this);
      }
      return this.map(function(value) {
        return baseInvoke(value, path, args);
      });
    });

    LazyWrapper.prototype.reject = function(predicate) {
      return this.filter(negate(getIteratee(predicate)));
    };

    LazyWrapper.prototype.slice = function(start, end) {
      start = toInteger(start);

      var result = this;
      if (result.__filtered__ && (start > 0 || end < 0)) {
        return new LazyWrapper(result);
      }
      if (start < 0) {
        result = result.takeRight(-start);
      } else if (start) {
        result = result.drop(start);
      }
      if (end !== undefined) {
        end = toInteger(end);
        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
      }
      return result;
    };

    LazyWrapper.prototype.takeRightWhile = function(predicate) {
      return this.reverse().takeWhile(predicate).reverse();
    };

    LazyWrapper.prototype.toArray = function() {
      return this.take(MAX_ARRAY_LENGTH);
    };

    // Add `LazyWrapper` methods to `lodash.prototype`.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
          isTaker = /^(?:head|last)$/.test(methodName),
          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
          retUnwrapped = isTaker || /^find/.test(methodName);

      if (!lodashFunc) {
        return;
      }
      lodash.prototype[methodName] = function() {
        var value = this.__wrapped__,
            args = isTaker ? [1] : arguments,
            isLazy = value instanceof LazyWrapper,
            iteratee = args[0],
            useLazy = isLazy || isArray(value);

        var interceptor = function(value) {
          var result = lodashFunc.apply(lodash, arrayPush([value], args));
          return (isTaker && chainAll) ? result[0] : result;
        };

        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
          // Avoid lazy use if the iteratee has a "length" value other than `1`.
          isLazy = useLazy = false;
        }
        var chainAll = this.__chain__,
            isHybrid = !!this.__actions__.length,
            isUnwrapped = retUnwrapped && !chainAll,
            onlyLazy = isLazy && !isHybrid;

        if (!retUnwrapped && useLazy) {
          value = onlyLazy ? value : new LazyWrapper(this);
          var result = func.apply(value, args);
          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
          return new LodashWrapper(result, chainAll);
        }
        if (isUnwrapped && onlyLazy) {
          return func.apply(this, args);
        }
        result = this.thru(interceptor);
        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
      };
    });

    // Add `Array` methods to `lodash.prototype`.
    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
      var func = arrayProto[methodName],
          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
          retUnwrapped = /^(?:pop|shift)$/.test(methodName);

      lodash.prototype[methodName] = function() {
        var args = arguments;
        if (retUnwrapped && !this.__chain__) {
          var value = this.value();
          return func.apply(isArray(value) ? value : [], args);
        }
        return this[chainName](function(value) {
          return func.apply(isArray(value) ? value : [], args);
        });
      };
    });

    // Map minified method names to their real names.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var lodashFunc = lodash[methodName];
      if (lodashFunc) {
        var key = (lodashFunc.name + ''),
            names = realNames[key] || (realNames[key] = []);

        names.push({ 'name': methodName, 'func': lodashFunc });
      }
    });

    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
      'name': 'wrapper',
      'func': undefined
    }];

    // Add methods to `LazyWrapper`.
    LazyWrapper.prototype.clone = lazyClone;
    LazyWrapper.prototype.reverse = lazyReverse;
    LazyWrapper.prototype.value = lazyValue;

    // Add chain sequence methods to the `lodash` wrapper.
    lodash.prototype.at = wrapperAt;
    lodash.prototype.chain = wrapperChain;
    lodash.prototype.commit = wrapperCommit;
    lodash.prototype.next = wrapperNext;
    lodash.prototype.plant = wrapperPlant;
    lodash.prototype.reverse = wrapperReverse;
    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

    // Add lazy aliases.
    lodash.prototype.first = lodash.prototype.head;

    if (symIterator) {
      lodash.prototype[symIterator] = wrapperToIterator;
    }
    return lodash;
  });

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

  // Export lodash.
  var _ = runInContext();

  // Some AMD build optimizers, like r.js, check for condition patterns like:
  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
    // Expose Lodash on the global object to prevent errors when Lodash is
    // loaded by a script tag in the presence of an AMD loader.
    // See http://requirejs.org/docs/errors.html#mismatch for more details.
    // Use `_.noConflict` to remove Lodash from the global object.
    root._ = _;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    define(function() {
      return _;
    });
  }
  // Check for `exports` after `define` in case a build optimizer adds it.
  else if (freeModule) {
    // Export for Node.js.
    (freeModule.exports = _)._ = _;
    // Export for CommonJS support.
    freeExports._ = _;
  }
  else {
    // Export to the global object.
    root._ = _;
  }
}.call(this));
/* jQuery.fracs 0.15.1 - http://larsjung.de/jquery-fracs/ */
(function () {
'use strict';

// Some often used references.
var $ = jQuery;
var $window = $(window);
var $document = $(document);
var extend = $.extend;
var isFn = $.isFunction;
var mathMax = Math.max;
var mathMin = Math.min;
var mathRound = Math.round;

var getId = (function () {

        var ids = {};
        var nextId = 1;

        return function (element) {

            if (!element) {
                return 0;
            }
            if (!ids[element]) {
                ids[element] = nextId;
                nextId += 1;
            }
            return ids[element];
        };
    }());

function isTypeOf(obj, type) {

    return typeof obj === type;
}

function isInstanceOf(obj, type) {

    return obj instanceof type;
}

function isHTMLElement(obj) {

    return obj && obj.nodeType;
}

function getHTMLElement(obj) {

    return isHTMLElement(obj) ? obj : (isInstanceOf(obj, $) ? obj[0] : undefined);
}

function reduce(elements, fn, current) {

    $.each(elements, function (idx, element) {

        current = fn.call(element, current, idx, element);
    });
    return current;
}

function equal(obj1, obj2, props) {

    var i, l, prop;

    if (obj1 === obj2) {
        return true;
    }
    if (!obj1 || !obj2 || obj1.constructor !== obj2.constructor) {
        return false;
    }
    for (i = 0, l = props.length; i < l; i += 1) {
        prop = props[i];
        if (obj1[prop] && isFn(obj1[prop].equals) && !obj1[prop].equals(obj2[prop])) {
            return false;
        }
        if (obj1[prop] !== obj2[prop]) {
            return false;
        }
    }
    return true;
}




// Objects
// =======

// Rect
// ----
// Holds the position and dimensions of a rectangle. The position might be
// relative to document, viewport or element space.
function Rect(left, top, width, height) {

    // Top left corner of the rectangle rounded to integers.
    this.left = mathRound(left);
    this.top = mathRound(top);

    // Dimensions rounded to integers.
    this.width = mathRound(width);
    this.height = mathRound(height);

    // Bottom right corner of the rectangle.
    this.right = this.left + this.width;
    this.bottom = this.top + this.height;
}

// ### Prototype
extend(Rect.prototype, {

    // Checks if this instance equals `that` in position and dimensions.
    equals: function (that) {

        return equal(this, that, ['left', 'top', 'width', 'height']);
    },

    // Returns the area of this rectangle.
    area: function () {

        return this.width * this.height;
    },

    // Returns a new `Rect` representig this rect relative to `rect`.
    relativeTo: function (rect) {

        return new Rect(this.left - rect.left, this.top - rect.top, this.width, this.height);
    },

    // Returns a new rectangle representing the intersection of this
    // instance and `rect`. If there is no intersection the return value
    // is `null`.
    intersection: function (rect) {

        if (!isInstanceOf(rect, Rect)) {
            return null;
        }

        var left = mathMax(this.left, rect.left);
        var right = mathMin(this.right, rect.right);
        var top = mathMax(this.top, rect.top);
        var bottom = mathMin(this.bottom, rect.bottom);
        var width = right - left;
        var height = bottom - top;

        return (width >= 0 && height >= 0) ? new Rect(left, top, width, height) : null;
    },

    // Returns a new rectangle representing the smallest rectangle
    // containing this instance and `rect`.
    envelope: function (rect) {

        if (!isInstanceOf(rect, Rect)) {
            return this;
        }

        var left = mathMin(this.left, rect.left);
        var right = mathMax(this.right, rect.right);
        var top = mathMin(this.top, rect.top);
        var bottom = mathMax(this.bottom, rect.bottom);
        var width = right - left;
        var height = bottom - top;

        return new Rect(left, top, width, height);
    }
});

// ### Static methods
extend(Rect, {

    // Returns a new instance of `Rect` representing the content of the
    // specified element. Since the coordinates are in content space the
    // `left` and `top` values are always set to `0`. If `inDocSpace` is
    // `true` the rect gets returned in document space.
    ofContent: function (element, inContentSpace) {

        if (!element || element === document || element === window) {
            return new Rect(0, 0, $document.width(), $document.height());
        }

        if (inContentSpace) {
            return new Rect(0, 0, element.scrollWidth, element.scrollHeight);
        } else {
            return new Rect(element.offsetLeft - element.scrollLeft, element.offsetTop - element.scrollTop, element.scrollWidth, element.scrollHeight);
        }
    },

    // Returns a new instance of `Rect` representing the viewport of the
    // specified element. If `inDocSpace` is `true` the rect gets returned
    // in document space instead of content space.
    ofViewport: function (element, inContentSpace) {

        if (!element || element === document || element === window) {
            return new Rect($window.scrollLeft(), $window.scrollTop(), $window.width(), $window.height());
        }

        if (inContentSpace) {
            return new Rect(element.scrollLeft, element.scrollTop, element.clientWidth, element.clientHeight);
        } else {
            return new Rect(element.offsetLeft, element.offsetTop, element.clientWidth, element.clientHeight);
        }
    },

    // Returns a new instance of `Rect` representing a given
    // `HTMLElement`. The dimensions respect padding and border widths. If
    // the element is invisible (as determined by jQuery) the return value
    // is null.
    ofElement: function (element) {

        var $element = $(element);
        if (!$element.is(':visible')) {
            return null;
        }

        var offset = $element.offset();
        return new Rect(offset.left, offset.top, $element.outerWidth(), $element.outerHeight());
    }
});



// Fractions
// ---------
// The heart of the library. Creates and holds the
// fractions data for the two specified rects. `viewport` defaults to
// `Rect.ofViewport()`.
function Fractions(visible, viewport, possible, rects) {

    this.visible = visible || 0;
    this.viewport = viewport || 0;
    this.possible = possible || 0;
    this.rects = (rects && extend({}, rects)) || null;
}

// ### Prototype
extend(Fractions.prototype, {

    // Checks if this instance equals `that` in all attributes.
    equals: function (that) {

        return this.fracsEqual(that) && this.rectsEqual(that);
    },

    // Checks if this instance equals `that` in all fraction attributes.
    fracsEqual: function (that) {

        return equal(this, that, ['visible', 'viewport', 'possible']);
    },

    // Checks if this instance equals `that` in all rectangle attributes.
    rectsEqual: function (that) {

        return equal(this.rects, that.rects, ['document', 'element', 'viewport']);
    }
});

// ### Static methods
extend(Fractions, {

    of: function (rect, viewport) {

        var intersection, intersectionArea, possibleArea;

        rect = (isHTMLElement(rect) && Rect.ofElement(rect)) || rect;
        viewport = (isHTMLElement(viewport) && Rect.ofViewport(viewport)) || viewport || Rect.ofViewport();

        if (!(rect instanceof Rect)) {
            return new Fractions();
        }
        intersection = rect.intersection(viewport);
        if (!intersection) {
            return new Fractions();
        }

        intersectionArea = intersection.area();
        possibleArea = mathMin(rect.width, viewport.width) * mathMin(rect.height, viewport.height);
        return new Fractions(
            intersectionArea / rect.area(),
            intersectionArea / viewport.area(),
            intersectionArea / possibleArea,
            {
                document: intersection,
                element: intersection.relativeTo(rect),
                viewport: intersection.relativeTo(viewport)
            }
        );
    }
});



// Group
// -----
function Group(elements, viewport) {

    this.els = elements;
    this.viewport = viewport;
}

// ### Helpers

// Accepted values for `property` parameters below.
var rectProps = ['width', 'height', 'left', 'right', 'top', 'bottom'];
var fracsProps = ['possible', 'visible', 'viewport'];

// Returns the specified `property` for `HTMLElement element` or `0`
// if `property` is invalid.
function getValue(element, viewport, property) {

    var obj;

    if ($.inArray(property, rectProps) >= 0) {
        obj = Rect.ofElement(element);
    } else if ($.inArray(property, fracsProps) >= 0) {
        obj = Fractions.of(element, viewport);
    }
    return obj ? obj[property] : 0;
}

// Sorting functions.
function sortAscending(entry1, entry2) {

    return entry1.val - entry2.val;
}

function sortDescending(entry1, entry2) {

    return entry2.val - entry1.val;
}

// ### Prototype
extend(Group.prototype, {

    // Returns a sorted list of objects `{el: HTMLElement, val: Number}`
    // for the specified `property`. `descending` defaults to `false`.
    sorted: function (property, descending) {

        var viewport = this.viewport;

        return $.map(this.els, function (element) {

                    return {
                        el: element,
                        val: getValue(element, viewport, property)
                    };
                })
                .sort(descending ? sortDescending : sortAscending);
    },

    // Returns the first element of the sorted list returned by `sorted` above,
    // or `null` if this list is empty.
    best: function (property, descending) {

        return this.els.length ? this.sorted(property, descending)[0] : null;
    }
});



// ScrollState
// -----------
function ScrollState(element) {

    var content = Rect.ofContent(element, true);
    var viewport = Rect.ofViewport(element, true);
    var w = content.width - viewport.width;
    var h = content.height - viewport.height;

    this.content = content;
    this.viewport = viewport;
    this.width = w <= 0 ? null : viewport.left / w;
    this.height = h <= 0 ? null : viewport.top / h;
    this.left = viewport.left;
    this.top = viewport.top;
    this.right = content.right - viewport.right;
    this.bottom = content.bottom - viewport.bottom;
}

// ### Prototype
extend(ScrollState.prototype, {

    // Checks if this instance equals `that`.
    equals: function (that) {

        return equal(this, that, ['width', 'height', 'left', 'top', 'right', 'bottom', 'content', 'viewport']);
    }
});



// Viewport
// --------
function Viewport(element) {

    this.el = element || window;
}

// ### Prototype
extend(Viewport.prototype, {

    // Checks if this instance equals `that`.
    equals: function (that) {

        return equal(this, that, ['el']);
    },

    scrollState: function () {

        return new ScrollState(this.el);
    },

    scrollTo: function (left, top, duration) {

        var $el = this.el === window ? $('html,body') : $(this.el);

        left = left || 0;
        top = top || 0;
        duration = isNaN(duration) ? 1000 : duration;

        $el.stop(true).animate({scrollLeft: left, scrollTop: top}, duration);
    },

    scroll: function (left, top, duration) {

        var $el = this.el === window ? $window : $(this.el);

        left = left || 0;
        top = top || 0;

        this.scrollTo($el.scrollLeft() + left, $el.scrollTop() + top, duration);
    },

    scrollToRect: function (rect, paddingLeft, paddingTop, duration) {

        paddingLeft = paddingLeft || 0;
        paddingTop = paddingTop || 0;

        this.scrollTo(rect.left - paddingLeft, rect.top - paddingTop, duration);
    },

    scrollToElement: function (element, paddingLeft, paddingTop, duration) {

        var rect = Rect.ofElement(element).relativeTo(Rect.ofContent(this.el));

        this.scrollToRect(rect, paddingLeft, paddingTop, duration);
    }
});





// Callbacks
// =========

// callbacks mix-in
// ----------------
// Expects `context: HTMLElement` and `updatedValue: function`.
var callbacksMixIn = {

    // Initial setup.
    init: function () {

        this.callbacks = $.Callbacks('memory unique');
        this.currVal = null;
        this.prevVal = null;

        // A proxy to make `check` bindable to events.
        this.checkProxy = $.proxy(this.check, this);

        this.autoCheck();
    },

    // Adds a new callback function.
    bind: function (callback) {

        this.callbacks.add(callback);
    },

    // Removes a previously added callback function.
    unbind: function (callback) {

        if (callback) {
            this.callbacks.remove(callback);
        } else {
            this.callbacks.empty();
        }
    },

    // Triggers all callbacks with the current values.
    trigger: function () {

        this.callbacks.fireWith(this.context, [this.currVal, this.prevVal]);
    },

    // Checks if value changed, updates attributes `currVal` and
    // `prevVal` accordingly and triggers the callbacks. Returns
    // `true` if value changed, otherwise `false`.
    check: function (event) {

        var value = this.updatedValue(event);

        if (value === undefined) {
            return false;
        }

        this.prevVal = this.currVal;
        this.currVal = value;
        this.trigger();
        return true;
    },

    // Auto-check configuration.
    $autoTarget: $window,
    autoEvents: 'load resize scroll',

    // Enables/disables automated checking for changes on the specified `window`
    // events.
    autoCheck: function (on) {

        this.$autoTarget[on === false ? 'off' : 'on'](this.autoEvents, this.checkProxy);
    }
};



// FracsCallbacks
// --------------
function FracsCallbacks(element, viewport) {

    this.context = element;
    this.viewport = viewport;
    this.init();
}

// ### Prototype
extend(FracsCallbacks.prototype, callbacksMixIn, {
    updatedValue: function () {

        var value = Fractions.of(this.context, this.viewport);

        if (!this.currVal || !this.currVal.equals(value)) {
            return value;
        }
    }
});



// GroupCallbacks
// --------------
function GroupCallbacks(elements, viewport, property, descending) {

    this.context = new Group(elements, viewport);
    this.property = property;
    this.descending = descending;
    this.init();
}

// ### Prototype
extend(GroupCallbacks.prototype, callbacksMixIn, {
    updatedValue: function () {

        var best = this.context.best(this.property, this.descending);

        if (best) {
            best = best.val > 0 ? best.el : null;
            if (this.currVal !== best) {
                return best;
            }
        }
    }
});



// ScrollStateCallbacks
// --------------------
function ScrollStateCallbacks(element) {

    if (!element || element === window || element === document) {
        this.context = window;
    } else {
        this.context = element;
        this.$autoTarget = $(element);
    }
    this.init();
}

// ### Prototype
extend(ScrollStateCallbacks.prototype, callbacksMixIn, {
    updatedValue: function () {

        var value = new ScrollState(this.context);

        if (!this.currVal || !this.currVal.equals(value)) {
            return value;
        }
    }
});



/* modplug 1.5.0 - http://larsjung.de/modplug/ */
function modplug(t,n){"use strict";function e(n,e,u,s){return u=r(u)?u.apply(n,e):u,r(s[u])?s[u].apply(n,e):void i.error('Method "'+u+'" does not exist on jQuery.'+t)}function u(t){t&&(o(c,t.statics),o(l,t.methods)),c.modplug=u}var s=[].slice,i=jQuery,o=i.extend,r=i.isFunction,a=o({},n),c=function d(){return e(this,s.call(arguments),a.defaultStatic,d)},l=function f(t){return r(f[t])?f[t].apply(this,s.call(arguments,1)):e(this,s.call(arguments),a.defaultMethod,f)};u.prev={statics:i[t],methods:i.fn[t]},u(n),i[t]=c,i.fn[t]=l};



// Register the plug-in
// ====================

// The namespace used to register the plug-in and to attach data to
// elements.
var namespace = 'fracs';

// The methods are sorted in alphabetical order. All methods that do not
// provide a return value will return `this` to enable method chaining.
modplug(namespace, {

    // Static methods
    // --------------
    // These methods are accessible via `$.fracs.<methodname>`.
    statics: {

        // Build version.
        version: '0.15.1',

        // Publish object constructors (for testing).
        Rect: Rect,
        Fractions: Fractions,
        Group: Group,
        ScrollState: ScrollState,
        Viewport: Viewport,
        FracsCallbacks: FracsCallbacks,
        GroupCallbacks: GroupCallbacks,
        ScrollStateCallbacks: ScrollStateCallbacks,

        // ### fracs
        // This is the **default method**. So instead of calling
        // `$.fracs.fracs(...)` simply call `$.fracs(...)`.
        //
        // Returns the fractions for a given `Rect` and `viewport`,
        // viewport defaults to `$.fracs.viewport()`.
        //
        //      $.fracs(rect: Rect, [viewport: Rect]): Fractions
        fracs: function (rect, viewport) {

            return Fractions.of(rect, viewport);
        }
    },

    // Instance methods
    // ----------------
    // These methods are accessible via `$(selector).fracs('<methodname>', ...)`.
    methods: {

        // ### 'content'
        // Returns the content rect of the first selected element in content space.
        // If no element is selected it returns the document rect.
        //
        //      .fracs('content'): Rect
        content: function (inContentSpace) {

            return this.length ? Rect.ofContent(this[0], inContentSpace) : null;
        },

        // ### 'envelope'
        // Returns the smallest rectangle that containes all selected elements.
        //
        //      .fracs('envelope'): Rect
        envelope: function () {

            return reduce(this, function (current) {

                var rect = Rect.ofElement(this);
                return current ? current.envelope(rect) : rect;
            });
        },

        // ### 'fracs'
        // This is the **default method**. So the first parameter `'fracs'`
        // can be omitted.
        //
        // Returns the fractions for the first selected element.
        //
        //      .fracs(): Fractions
        //
        // Binds a callback function that will be invoked if fractions have changed
        // after a `window resize` or `window scroll` event.
        //
        //      .fracs(callback(fracs: Fractions, prevFracs: Fractions)): jQuery
        //
        // Unbinds the specified callback function.
        //
        //      .fracs('unbind', callback): jQuery
        //
        // Unbinds all callback functions.
        //
        //      .fracs('unbind'): jQuery
        //
        // Checks if fractions changed and if so invokes all bound callback functions.
        //
        //      .fracs('check'): jQuery
        fracs: function (action, callback, viewport) {

            if (!isTypeOf(action, 'string')) {
                viewport = callback;
                callback = action;
                action = null;
            }
            if (!isFn(callback)) {
                viewport = callback;
                callback = null;
            }
            viewport = getHTMLElement(viewport);

            var ns = namespace + '.fracs.' + getId(viewport);

            if (action === 'unbind') {
                return this.each(function () {

                    var cbs = $(this).data(ns);

                    if (cbs) {
                        cbs.unbind(callback);
                    }
                });
            } else if (action === 'check') {
                return this.each(function () {

                    var cbs = $(this).data(ns);

                    if (cbs) {
                        cbs.check();
                    }
                });
            } else if (isFn(callback)) {
                return this.each(function () {

                    var $this = $(this),
                        cbs = $this.data(ns);

                    if (!cbs) {
                        cbs = new FracsCallbacks(this, viewport);
                        $this.data(ns, cbs);
                    }
                    cbs.bind(callback);
                });
            }

            return this.length ? Fractions.of(this[0], viewport) : null;
        },

        // ### 'intersection'
        // Returns the greatest rectangle that is contained in all selected elements.
        //
        //      .fracs('intersection'): Rect
        intersection: function () {

            return reduce(this, function (current) {

                var rect = Rect.ofElement(this);
                return current ? current.intersection(rect) : rect;
            });
        },

        // ### 'max'
        // Reduces the set of selected elements to those with the maximum value
        // of the specified property.
        // Valid values for property are `possible`, `visible`, `viewport`,
        // `width`, `height`, `left`, `right`, `top`, `bottom`.
        //
        //      .fracs('max', property: String): jQuery
        //
        // Binds a callback function to the set of selected elements that gets
        // triggert whenever the element with the highest value of the specified
        // property changes.
        //
        //      .fracs('max', property: String, callback(best: Element, prevBest: Element)): jQuery
        max: function (property, callback, viewport) {

            if (!isFn(callback)) {
                viewport = callback;
                callback = null;
            }
            viewport = getHTMLElement(viewport);

            if (callback) {
                new GroupCallbacks(this, viewport, property, true).bind(callback);
                return this;
            }

            return this.pushStack(new Group(this, viewport).best(property, true).el);
        },

        // ### 'min'
        // Reduces the set of selected elements to those with the minimum value
        // of the specified property.
        // Valid values for property are `possible`, `visible`, `viewport`,
        // `width`, `height`, `left`, `right`, `top`, `bottom`.
        //
        //      .fracs('min', property: String): jQuery
        //
        // Binds a callback function to the set of selected elements that gets
        // triggert whenever the element with the lowest value of the specified
        // property changes.
        //
        //      .fracs('min', property: String, callback(best: Element, prevBest: Element)): jQuery
        min: function (property, callback, viewport) {

            if (!isFn(callback)) {
                viewport = callback;
                callback = null;
            }
            viewport = getHTMLElement(viewport);

            if (callback) {
                new GroupCallbacks(this, viewport, property).bind(callback);
                return this;
            }

            return this.pushStack(new Group(this, viewport).best(property).el);
        },

        // ### 'rect'
        // Returns the dimensions for the first selected element in document space.
        //
        //      .fracs('rect'): Rect
        rect: function () {

            return this.length ? Rect.ofElement(this[0]) : null;
        },

        // ### 'scrollState'
        // Returns the current scroll state for the first selected element.
        //
        //      .fracs('scrollState'): ScrollState
        //
        // Binds a callback function that will be invoked if scroll state has changed
        // after a `resize` or `scroll` event.
        //
        //      .fracs('scrollState', callback(scrollState: scrollState, prevScrollState: scrollState)): jQuery
        //
        // Unbinds the specified callback function.
        //
        //      .fracs('scrollState', 'unbind', callback): jQuery
        //
        // Unbinds all callback functions.
        //
        //      .fracs('scrollState', 'unbind'): jQuery
        //
        // Checks if scroll state changed and if so invokes all bound callback functions.
        //
        //      .fracs('scrollState', 'check'): jQuery
        scrollState: function (action, callback) {

            var ns = namespace + '.scrollState';

            if (!isTypeOf(action, 'string')) {
                callback = action;
                action = null;
            }

            if (action === 'unbind') {
                return this.each(function () {

                    var cbs = $(this).data(ns);

                    if (cbs) {
                        cbs.unbind(callback);
                    }
                });
            } else if (action === 'check') {
                return this.each(function () {

                    var cbs = $(this).data(ns);

                    if (cbs) {
                        cbs.check();
                    }
                });
            } else if (isFn(callback)) {
                return this.each(function () {

                    var $this = $(this),
                        cbs = $this.data(ns);

                    if (!cbs) {
                        cbs = new ScrollStateCallbacks(this);
                        $this.data(ns, cbs);
                    }
                    cbs.bind(callback);
                });
            }

            return this.length ? new ScrollState(this[0]) : null;
        },

        // ### 'scroll'
        // Scrolls the selected elements relative to its current position,
        // `padding` defaults to `0`, `duration` to `1000`.
        //
        //      .fracs('scroll', element: HTMLElement/jQuery, [paddingLeft: int,] [paddingTop: int,] [duration: int]): jQuery
        scroll: function (left, top, duration) {

            return this.each(function () {

                new Viewport(this).scroll(left, top, duration);
            });
        },

        // ### 'scrollTo'
        // Scrolls the selected elements to the specified element or an absolute position,
        // `padding` defaults to `0`, `duration` to `1000`.
        //
        //      .fracs('scrollTo', element: HTMLElement/jQuery, [paddingLeft: int,] [paddingTop: int,] [duration: int]): jQuery
        //      .fracs('scrollTo', [left: int,] [top: int,] [duration: int]): jQuery
        scrollTo: function (element, paddingLeft, paddingTop, duration) {

            if ($.isNumeric(element)) {
                duration = paddingTop;
                paddingTop = paddingLeft;
                paddingLeft = element;
                element = null;
            }

            element = getHTMLElement(element);

            return this.each(function () {

                if (element) {
                    new Viewport(this).scrollToElement(element, paddingLeft, paddingTop, duration);
                } else {
                    new Viewport(this).scrollTo(paddingLeft, paddingTop, duration);
                }
            });
        },

        // ### 'scrollToThis'
        // Scrolls the viewport (window) to the first selected element in the specified time,
        // `padding` defaults to `0`, `duration` to `1000`.
        //
        //      .fracs('scrollToThis', [paddingLeft: int,] [paddingTop: int,] [duration: int,] [viewport: HTMLElement/jQuery]): jQuery
        scrollToThis: function (paddingLeft, paddingTop, duration, viewport) {

            viewport = new Viewport(getHTMLElement(viewport));

            viewport.scrollToElement(this[0], paddingLeft, paddingTop, duration);
            return this;
        },

        // ### 'softLink'
        // Converts all selected page intern links `<a href="#...">` into soft links.
        // Uses `scrollTo` to scroll to the location.
        //
        //      .fracs('softLink', [paddingLeft: int,] [paddingTop: int,] [duration: int,] [viewport: HTMLElement/jQuery]): jQuery
        softLink: function (paddingLeft, paddingTop, duration, viewport) {

            viewport = new Viewport(getHTMLElement(viewport));

            return this.filter('a[href^=#]').each(function () {
                var $a = $(this);
                $a.on('click', function () {
                    viewport.scrollToElement($($a.attr('href'))[0], paddingLeft, paddingTop, duration);
                });
            });
        },

        // ### 'sort'
        // Sorts the set of selected elements by the specified property.
        // Valid values for property are `possible`, `visible`, `viewport`,
        // `width`, `height`, `left`, `right`, `top`, `bottom`. The default
        // sort order is descending.
        //
        //      .fracs('sort', property: String, [ascending: boolean]): jQuery
        sort: function (property, ascending, viewport) {

            if (!isTypeOf(ascending, 'boolean')) {
                viewport = ascending;
                ascending = null;
            }
            viewport = getHTMLElement(viewport);

            return this.pushStack($.map(new Group(this, viewport).sorted(property, !ascending), function (entry) {
                return entry.el;
            }));
        },

        // ### 'viewport'
        // Returns the current viewport of the first selected element in content space.
        // If no element is selected it returns the document's viewport.
        //
        //      .fracs('viewport'): Rect
        viewport: function (inContentSpace) {

            return this.length ? Rect.ofViewport(this[0], inContentSpace) : null;
        }
    },

    // Defaults
    // --------
    defaultStatic: 'fracs',
    defaultMethod: 'fracs'
});

}());
/*! VelocityJS.org (1.5.0). (C) 2014 Julian Shapiro. MIT @license: en.wikipedia.org/wiki/MIT_License */
/*! VelocityJS.org jQuery Shim (1.0.1). (C) 2014 The jQuery Foundation. MIT @license: en.wikipedia.org/wiki/MIT_License. */
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h=k&&k.isSVG?c.createElementNS("http://www.w3.org/2000/svg","rect"):c.createElement("div");y.init(h),d.myParent.appendChild(h),o.each(["overflow","overflowX","overflowY"],function(a,b){y.CSS.setPropertyValue(h,b,"hidden")}),y.CSS.setPropertyValue(h,"position",d.position),y.CSS.setPropertyValue(h,"fontSize",d.fontSize),y.CSS.setPropertyValue(h,"boxSizing","content-box"),o.each(["minWidth","maxWidth","width","minHeight","maxHeight","height"],function(a,b){y.CSS.setPropertyValue(h,b,"100%")}),y.CSS.setPropertyValue(h,"paddingLeft","100em"),g.percentToPxWidth=M.lastPercentToPxWidth=(parseFloat(A.getPropertyValue(h,"width",null,!0))||1)/100,g.percentToPxHeight=M.lastPercentToPxHeight=(parseFloat(A.getPropertyValue(h,"height",null,!0))||1)/100,g.emToPx=M.lastEmToPx=(parseFloat(A.getPropertyValue(h,"paddingLeft"))||1)/100,d.myParent.removeChild(h)}return null===M.remToPx&&(M.remToPx=parseFloat(A.getPropertyValue(c.body,"fontSize"))||16),null===M.vwToPx&&(M.vwToPx=parseFloat(b.innerWidth)/100,M.vhToPx=parseFloat(b.innerHeight)/100),g.remToPx=M.remToPx,g.vwToPx=M.vwToPx,g.vhToPx=M.vhToPx,y.debug>=1&&console.log("Unit ratios: "+JSON.stringify(g),a),g}();var S=/margin|padding|left|right|width|text|word|letter/i.test(e)||/X$/.test(e)||"x"===e?"x":"y";switch(v){case"%":r*="x"===S?h.percentToPxWidth:h.percentToPxHeight;break;case"px":break;default:r*=h[v+"ToPx"]}switch(t){case"%":r*=1/("x"===S?h.percentToPxWidth:h.percentToPxHeight);break;case"px":break;default:r*=1/h[t+"ToPx"]}}switch(w){case"+":p=r+p;break;case"-":p=r-p;break;case"*":p*=r;break;case"/":p=r/p}j[e]={rootPropertyValue:m,startValue:r,currentValue:r,endValue:p,unitType:t,easing:q},g&&(j[e].pattern=g),y.debug&&console.log("tweensContainer ("+e+"): "+JSON.stringify(j[e]),a)};for(var I in s)if(s.hasOwnProperty(I)){var J=A.Names.camelCase(I),K=function(b,c){var d,f,g;return u.isFunction(b)&&(b=b.call(a,e,C)),u.isArray(b)?(d=b[0],!u.isArray(b[1])&&/^[\d-]/.test(b[1])||u.isFunction(b[1])||A.RegEx.isHex.test(b[1])?g=b[1]:u.isString(b[1])&&!A.RegEx.isHex.test(b[1])&&y.Easings[b[1]]||u.isArray(b[1])?(f=c?b[1]:l(b[1],i.duration),g=b[2]):g=b[1]||b[2]):d=b,c||(f=f||i.easing),u.isFunction(d)&&(d=d.call(a,e,C)),u.isFunction(g)&&(g=g.call(a,e,C)),[d||0,f,g]}(s[I]);if(t(A.Lists.colors,J)){var L=K[0],O=K[1],P=K[2];if(A.RegEx.isHex.test(L)){for(var Q=["Red","Green","Blue"],R=A.Values.hexToRgb(L),S=P?A.Values.hexToRgb(P):d,T=0;T<Q.length;T++){var U=[R[T]];O&&U.push(O),S!==d&&U.push(S[T]),H(J+Q[T],U)}continue}}H(J,K)}j.element=a}j.element&&(A.Values.addClass(a,"velocity-animating"),N.push(j),k=g(a),k&&(""===i.queue&&(k.tweensContainer=j,k.opts=i),k.isAnimating=!0),D===C-1?(y.State.calls.push([N,r,i,null,z.resolver,null,0]),y.State.isTicking===!1&&(y.State.isTicking=!0,m())):D++)}var 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b[5]={resume:!1},c=!0,!1}),!c&&void 0)})}),a();case"resume":return o.each(r,function(a,b){i(b,H)}),o.each(y.State.calls,function(a,b){var c=!1;b&&o.each(b[1],function(a,e){var f=v===d?"":v;return f!==!0&&b[2].queue!==f&&(v!==d||b[2].queue!==!1)||(!b[5]||(o.each(r,function(a,d){if(d===e)return b[5].resume=!0,c=!0,!1}),!c&&void 0))})}),a();case"finish":case"finishAll":case"stop":o.each(r,function(a,b){g(b)&&g(b).delayTimer&&(clearTimeout(g(b).delayTimer.setTimeout),g(b).delayTimer.next&&g(b).delayTimer.next(),delete g(b).delayTimer),"finishAll"!==s||v!==!0&&!u.isString(v)||(o.each(o.queue(b,u.isString(v)?v:""),function(a,b){u.isFunction(b)&&b()}),o.queue(b,u.isString(v)?v:"",[]))});var I=[];return o.each(y.State.calls,function(a,b){b&&o.each(b[1],function(c,e){var 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// //=require ../../libraries/remjet.js
// //=require ../../libraries/packery.2.1.1.min.js
/*!
 * imagesLoaded PACKAGED v3.2.0
 * JavaScript is all like "You images are done yet or what?"
 * MIT License
 */

/*!
 * EventEmitter v4.2.6 - git.io/ee
 * Oliver Caldwell
 * MIT license
 * @preserve
 */

(function () {
	'use strict';

	/**
	 * Class for managing events.
	 * Can be extended to provide event functionality in other classes.
	 *
	 * @class EventEmitter Manages event registering and emitting.
	 */
	function EventEmitter() {}

	// Shortcuts to improve speed and size
	var proto = EventEmitter.prototype;
	var exports = this;
	var originalGlobalValue = exports.EventEmitter;

	/**
	 * Finds the index of the listener for the event in it's storage array.
	 *
	 * @param {Function[]} listeners Array of listeners to search through.
	 * @param {Function} listener Method to look for.
	 * @return {Number} Index of the specified listener, -1 if not found
	 * @api private
	 */
	function indexOfListener(listeners, listener) {
		var i = listeners.length;
		while (i--) {
			if (listeners[i].listener === listener) {
				return i;
			}
		}

		return -1;
	}

	/**
	 * Alias a method while keeping the context correct, to allow for overwriting of target method.
	 *
	 * @param {String} name The name of the target method.
	 * @return {Function} The aliased method
	 * @api private
	 */
	function alias(name) {
		return function aliasClosure() {
			return this[name].apply(this, arguments);
		};
	}

	/**
	 * Returns the listener array for the specified event.
	 * Will initialise the event object and listener arrays if required.
	 * Will return an object if you use a regex search. The object contains keys for each matched event. So /ba[rz]/ might return an object containing bar and baz. But only if you have either defined them with defineEvent or added some listeners to them.
	 * Each property in the object response is an array of listener functions.
	 *
	 * @param {String|RegExp} evt Name of the event to return the listeners from.
	 * @return {Function[]|Object} All listener functions for the event.
	 */
	proto.getListeners = function getListeners(evt) {
		var events = this._getEvents();
		var response;
		var key;

		// Return a concatenated array of all matching events if
		// the selector is a regular expression.
		if (typeof evt === 'object') {
			response = {};
			for (key in events) {
				if (events.hasOwnProperty(key) && evt.test(key)) {
					response[key] = events[key];
				}
			}
		}
		else {
			response = events[evt] || (events[evt] = []);
		}

		return response;
	};

	/**
	 * Takes a list of listener objects and flattens it into a list of listener functions.
	 *
	 * @param {Object[]} listeners Raw listener objects.
	 * @return {Function[]} Just the listener functions.
	 */
	proto.flattenListeners = function flattenListeners(listeners) {
		var flatListeners = [];
		var i;

		for (i = 0; i < listeners.length; i += 1) {
			flatListeners.push(listeners[i].listener);
		}

		return flatListeners;
	};

	/**
	 * Fetches the requested listeners via getListeners but will always return the results inside an object. This is mainly for internal use but others may find it useful.
	 *
	 * @param {String|RegExp} evt Name of the event to return the listeners from.
	 * @return {Object} All listener functions for an event in an object.
	 */
	proto.getListenersAsObject = function getListenersAsObject(evt) {
		var listeners = this.getListeners(evt);
		var response;

		if (listeners instanceof Array) {
			response = {};
			response[evt] = listeners;
		}

		return response || listeners;
	};

	/**
	 * Adds a listener function to the specified event.
	 * The listener will not be added if it is a duplicate.
	 * If the listener returns true then it will be removed after it is called.
	 * If you pass a regular expression as the event name then the listener will be added to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to attach the listener to.
	 * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addListener = function addListener(evt, listener) {
		var listeners = this.getListenersAsObject(evt);
		var listenerIsWrapped = typeof listener === 'object';
		var key;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key) && indexOfListener(listeners[key], listener) === -1) {
				listeners[key].push(listenerIsWrapped ? listener : {
					listener: listener,
					once: false
				});
			}
		}

		return this;
	};

	/**
	 * Alias of addListener
	 */
	proto.on = alias('addListener');

	/**
	 * Semi-alias of addListener. It will add a listener that will be
	 * automatically removed after it's first execution.
	 *
	 * @param {String|RegExp} evt Name of the event to attach the listener to.
	 * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addOnceListener = function addOnceListener(evt, listener) {
		return this.addListener(evt, {
			listener: listener,
			once: true
		});
	};

	/**
	 * Alias of addOnceListener.
	 */
	proto.once = alias('addOnceListener');

	/**
	 * Defines an event name. This is required if you want to use a regex to add a listener to multiple events at once. If you don't do this then how do you expect it to know what event to add to? Should it just add to every possible match for a regex? No. That is scary and bad.
	 * You need to tell it what event names should be matched by a regex.
	 *
	 * @param {String} evt Name of the event to create.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.defineEvent = function defineEvent(evt) {
		this.getListeners(evt);
		return this;
	};

	/**
	 * Uses defineEvent to define multiple events.
	 *
	 * @param {String[]} evts An array of event names to define.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.defineEvents = function defineEvents(evts) {
		for (var i = 0; i < evts.length; i += 1) {
			this.defineEvent(evts[i]);
		}
		return this;
	};

	/**
	 * Removes a listener function from the specified event.
	 * When passed a regular expression as the event name, it will remove the listener from all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to remove the listener from.
	 * @param {Function} listener Method to remove from the event.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeListener = function removeListener(evt, listener) {
		var listeners = this.getListenersAsObject(evt);
		var index;
		var key;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key)) {
				index = indexOfListener(listeners[key], listener);

				if (index !== -1) {
					listeners[key].splice(index, 1);
				}
			}
		}

		return this;
	};

	/**
	 * Alias of removeListener
	 */
	proto.off = alias('removeListener');

	/**
	 * Adds listeners in bulk using the manipulateListeners method.
	 * If you pass an object as the second argument you can add to multiple events at once. The object should contain key value pairs of events and listeners or listener arrays. You can also pass it an event name and an array of listeners to be added.
	 * You can also pass it a regular expression to add the array of listeners to all events that match it.
	 * Yeah, this function does quite a bit. That's probably a bad thing.
	 *
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add to multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to add.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addListeners = function addListeners(evt, listeners) {
		// Pass through to manipulateListeners
		return this.manipulateListeners(false, evt, listeners);
	};

	/**
	 * Removes listeners in bulk using the manipulateListeners method.
	 * If you pass an object as the second argument you can remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
	 * You can also pass it an event name and an array of listeners to be removed.
	 * You can also pass it a regular expression to remove the listeners from all events that match it.
	 *
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to remove from multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to remove.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeListeners = function removeListeners(evt, listeners) {
		// Pass through to manipulateListeners
		return this.manipulateListeners(true, evt, listeners);
	};

	/**
	 * Edits listeners in bulk. The addListeners and removeListeners methods both use this to do their job. You should really use those instead, this is a little lower level.
	 * The first argument will determine if the listeners are removed (true) or added (false).
	 * If you pass an object as the second argument you can add/remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
	 * You can also pass it an event name and an array of listeners to be added/removed.
	 * You can also pass it a regular expression to manipulate the listeners of all events that match it.
	 *
	 * @param {Boolean} remove True if you want to remove listeners, false if you want to add.
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add/remove from multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to add/remove.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.manipulateListeners = function manipulateListeners(remove, evt, listeners) {
		var i;
		var value;
		var single = remove ? this.removeListener : this.addListener;
		var multiple = remove ? this.removeListeners : this.addListeners;

		// If evt is an object then pass each of it's properties to this method
		if (typeof evt === 'object' && !(evt instanceof RegExp)) {
			for (i in evt) {
				if (evt.hasOwnProperty(i) && (value = evt[i])) {
					// Pass the single listener straight through to the singular method
					if (typeof value === 'function') {
						single.call(this, i, value);
					}
					else {
						// Otherwise pass back to the multiple function
						multiple.call(this, i, value);
					}
				}
			}
		}
		else {
			// So evt must be a string
			// And listeners must be an array of listeners
			// Loop over it and pass each one to the multiple method
			i = listeners.length;
			while (i--) {
				single.call(this, evt, listeners[i]);
			}
		}

		return this;
	};

	/**
	 * Removes all listeners from a specified event.
	 * If you do not specify an event then all listeners will be removed.
	 * That means every event will be emptied.
	 * You can also pass a regex to remove all events that match it.
	 *
	 * @param {String|RegExp} [evt] Optional name of the event to remove all listeners for. Will remove from every event if not passed.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeEvent = function removeEvent(evt) {
		var type = typeof evt;
		var events = this._getEvents();
		var key;

		// Remove different things depending on the state of evt
		if (type === 'string') {
			// Remove all listeners for the specified event
			delete events[evt];
		}
		else if (type === 'object') {
			// Remove all events matching the regex.
			for (key in events) {
				if (events.hasOwnProperty(key) && evt.test(key)) {
					delete events[key];
				}
			}
		}
		else {
			// Remove all listeners in all events
			delete this._events;
		}

		return this;
	};

	/**
	 * Alias of removeEvent.
	 *
	 * Added to mirror the node API.
	 */
	proto.removeAllListeners = alias('removeEvent');

	/**
	 * Emits an event of your choice.
	 * When emitted, every listener attached to that event will be executed.
	 * If you pass the optional argument array then those arguments will be passed to every listener upon execution.
	 * Because it uses `apply`, your array of arguments will be passed as if you wrote them out separately.
	 * So they will not arrive within the array on the other side, they will be separate.
	 * You can also pass a regular expression to emit to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to emit and execute listeners for.
	 * @param {Array} [args] Optional array of arguments to be passed to each listener.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.emitEvent = function emitEvent(evt, args) {
		var listeners = this.getListenersAsObject(evt);
		var listener;
		var i;
		var key;
		var response;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key)) {
				i = listeners[key].length;

				while (i--) {
					// If the listener returns true then it shall be removed from the event
					// The function is executed either with a basic call or an apply if there is an args array
					listener = listeners[key][i];

					if (listener.once === true) {
						this.removeListener(evt, listener.listener);
					}

					response = listener.listener.apply(this, args || []);

					if (response === this._getOnceReturnValue()) {
						this.removeListener(evt, listener.listener);
					}
				}
			}
		}

		return this;
	};

	/**
	 * Alias of emitEvent
	 */
	proto.trigger = alias('emitEvent');

	/**
	 * Subtly different from emitEvent in that it will pass its arguments on to the listeners, as opposed to taking a single array of arguments to pass on.
	 * As with emitEvent, you can pass a regex in place of the event name to emit to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to emit and execute listeners for.
	 * @param {...*} Optional additional arguments to be passed to each listener.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.emit = function emit(evt) {
		var args = Array.prototype.slice.call(arguments, 1);
		return this.emitEvent(evt, args);
	};

	/**
	 * Sets the current value to check against when executing listeners. If a
	 * listeners return value matches the one set here then it will be removed
	 * after execution. This value defaults to true.
	 *
	 * @param {*} value The new value to check for when executing listeners.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.setOnceReturnValue = function setOnceReturnValue(value) {
		this._onceReturnValue = value;
		return this;
	};

	/**
	 * Fetches the current value to check against when executing listeners. If
	 * the listeners return value matches this one then it should be removed
	 * automatically. It will return true by default.
	 *
	 * @return {*|Boolean} The current value to check for or the default, true.
	 * @api private
	 */
	proto._getOnceReturnValue = function _getOnceReturnValue() {
		if (this.hasOwnProperty('_onceReturnValue')) {
			return this._onceReturnValue;
		}
		else {
			return true;
		}
	};

	/**
	 * Fetches the events object and creates one if required.
	 *
	 * @return {Object} The events storage object.
	 * @api private
	 */
	proto._getEvents = function _getEvents() {
		return this._events || (this._events = {});
	};

	/**
	 * Reverts the global {@link EventEmitter} to its previous value and returns a reference to this version.
	 *
	 * @return {Function} Non conflicting EventEmitter class.
	 */
	EventEmitter.noConflict = function noConflict() {
		exports.EventEmitter = originalGlobalValue;
		return EventEmitter;
	};

	// Expose the class either via AMD, CommonJS or the global object
	if (typeof define === 'function' && define.amd) {
		define('eventEmitter/EventEmitter',[],function () {
			return EventEmitter;
		});
	}
	else if (typeof module === 'object' && module.exports){
		module.exports = EventEmitter;
	}
	else {
		this.EventEmitter = EventEmitter;
	}
}.call(this));

/*!
 * eventie v1.0.4
 * event binding helper
 *   eventie.bind( elem, 'click', myFn )
 *   eventie.unbind( elem, 'click', myFn )
 */

/*jshint browser: true, undef: true, unused: true */
/*global define: false */

( function( window ) {



var docElem = document.documentElement;

var bind = function() {};

function getIEEvent( obj ) {
  var event = window.event;
  // add event.target
  event.target = event.target || event.srcElement || obj;
  return event;
}

if ( docElem.addEventListener ) {
  bind = function( obj, type, fn ) {
    obj.addEventListener( type, fn, false );
  };
} else if ( docElem.attachEvent ) {
  bind = function( obj, type, fn ) {
    obj[ type + fn ] = fn.handleEvent ?
      function() {
        var event = getIEEvent( obj );
        fn.handleEvent.call( fn, event );
      } :
      function() {
        var event = getIEEvent( obj );
        fn.call( obj, event );
      };
    obj.attachEvent( "on" + type, obj[ type + fn ] );
  };
}

var unbind = function() {};

if ( docElem.removeEventListener ) {
  unbind = function( obj, type, fn ) {
    obj.removeEventListener( type, fn, false );
  };
} else if ( docElem.detachEvent ) {
  unbind = function( obj, type, fn ) {
    obj.detachEvent( "on" + type, obj[ type + fn ] );
    try {
      delete obj[ type + fn ];
    } catch ( err ) {
      // can't delete window object properties
      obj[ type + fn ] = undefined;
    }
  };
}

var eventie = {
  bind: bind,
  unbind: unbind
};

// transport
if ( typeof define === 'function' && define.amd ) {
  // AMD
  define( 'eventie/eventie',eventie );
} else {
  // browser global
  window.eventie = eventie;
}

})( this );

/*!
 * imagesLoaded v3.2.0
 * JavaScript is all like "You images are done yet or what?"
 * MIT License
 */

( function( window, factory ) { 'use strict';
  // universal module definition

  /*global define: false, module: false, require: false */

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( [
      'eventEmitter/EventEmitter',
      'eventie/eventie'
    ], function( EventEmitter, eventie ) {
      return factory( window, EventEmitter, eventie );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('wolfy87-eventemitter'),
      require('eventie')
    );
  } else {
    // browser global
    window.imagesLoaded = factory(
      window,
      window.EventEmitter,
      window.eventie
    );
  }

})( window,

// --------------------------  factory -------------------------- //

function factory( window, EventEmitter, eventie ) {



var $ = window.jQuery;
var console = window.console;

// -------------------------- helpers -------------------------- //

// extend objects
function extend( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
}

var objToString = Object.prototype.toString;
function isArray( obj ) {
  return objToString.call( obj ) == '[object Array]';
}

// turn element or nodeList into an array
function makeArray( obj ) {
  var ary = [];
  if ( isArray( obj ) ) {
    // use object if already an array
    ary = obj;
  } else if ( typeof obj.length == 'number' ) {
    // convert nodeList to array
    for ( var i=0; i < obj.length; i++ ) {
      ary.push( obj[i] );
    }
  } else {
    // array of single index
    ary.push( obj );
  }
  return ary;
}

  // -------------------------- imagesLoaded -------------------------- //

  /**
   * @param {Array, Element, NodeList, String} elem
   * @param {Object or Function} options - if function, use as callback
   * @param {Function} onAlways - callback function
   */
  function ImagesLoaded( elem, options, onAlways ) {
    // coerce ImagesLoaded() without new, to be new ImagesLoaded()
    if ( !( this instanceof ImagesLoaded ) ) {
      return new ImagesLoaded( elem, options, onAlways );
    }
    // use elem as selector string
    if ( typeof elem == 'string' ) {
      elem = document.querySelectorAll( elem );
    }

    this.elements = makeArray( elem );
    this.options = extend( {}, this.options );

    if ( typeof options == 'function' ) {
      onAlways = options;
    } else {
      extend( this.options, options );
    }

    if ( onAlways ) {
      this.on( 'always', onAlways );
    }

    this.getImages();

    if ( $ ) {
      // add jQuery Deferred object
      this.jqDeferred = new $.Deferred();
    }

    // HACK check async to allow time to bind listeners
    var _this = this;
    setTimeout( function() {
      _this.check();
    });
  }

  ImagesLoaded.prototype = new EventEmitter();

  ImagesLoaded.prototype.options = {};

  ImagesLoaded.prototype.getImages = function() {
    this.images = [];

    // filter & find items if we have an item selector
    for ( var i=0; i < this.elements.length; i++ ) {
      var elem = this.elements[i];
      this.addElementImages( elem );
    }
  };

  /**
   * @param {Node} element
   */
  ImagesLoaded.prototype.addElementImages = function( elem ) {
    // filter siblings
    if ( elem.nodeName == 'IMG' ) {
      this.addImage( elem );
    }
    // get background image on element
    if ( this.options.background === true ) {
      this.addElementBackgroundImages( elem );
    }

    // find children
    // no non-element nodes, #143
    var nodeType = elem.nodeType;
    if ( !nodeType || !elementNodeTypes[ nodeType ] ) {
      return;
    }
    var childImgs = elem.querySelectorAll('img');
    // concat childElems to filterFound array
    for ( var i=0; i < childImgs.length; i++ ) {
      var img = childImgs[i];
      this.addImage( img );
    }

    // get child background images
    if ( typeof this.options.background == 'string' ) {
      var children = elem.querySelectorAll( this.options.background );
      for ( i=0; i < children.length; i++ ) {
        var child = children[i];
        this.addElementBackgroundImages( child );
      }
    }
  };

  var elementNodeTypes = {
    1: true,
    9: true,
    11: true
  };

  ImagesLoaded.prototype.addElementBackgroundImages = function( elem ) {
    var style = getStyle( elem );
    // get url inside url("...")
    var reURL = /url\(['"]*([^'"\)]+)['"]*\)/gi;
    var matches = reURL.exec( style.backgroundImage );
    while ( matches !== null ) {
      var url = matches && matches[1];
      if ( url ) {
        this.addBackground( url, elem );
      }
      matches = reURL.exec( style.backgroundImage );
    }
  };

  // IE8
  var getStyle = window.getComputedStyle || function( elem ) {
    return elem.currentStyle;
  };

  /**
   * @param {Image} img
   */
  ImagesLoaded.prototype.addImage = function( img ) {
    var loadingImage = new LoadingImage( img );
    this.images.push( loadingImage );
  };

  ImagesLoaded.prototype.addBackground = function( url, elem ) {
    var background = new Background( url, elem );
    this.images.push( background );
  };

  ImagesLoaded.prototype.check = function() {
    var _this = this;
    this.progressedCount = 0;
    this.hasAnyBroken = false;
    // complete if no images
    if ( !this.images.length ) {
      this.complete();
      return;
    }

    function onProgress( image, elem, message ) {
      // HACK - Chrome triggers event before object properties have changed. #83
      setTimeout( function() {
        _this.progress( image, elem, message );
      });
    }

    for ( var i=0; i < this.images.length; i++ ) {
      var loadingImage = this.images[i];
      loadingImage.once( 'progress', onProgress );
      loadingImage.check();
    }
  };

  ImagesLoaded.prototype.progress = function( image, elem, message ) {
    this.progressedCount++;
    this.hasAnyBroken = this.hasAnyBroken || !image.isLoaded;
    // progress event
    this.emit( 'progress', this, image, elem );
    if ( this.jqDeferred && this.jqDeferred.notify ) {
      this.jqDeferred.notify( this, image );
    }
    // check if completed
    if ( this.progressedCount == this.images.length ) {
      this.complete();
    }

    if ( this.options.debug && console ) {
      console.log( 'progress: ' + message, image, elem );
    }
  };

  ImagesLoaded.prototype.complete = function() {
    var eventName = this.hasAnyBroken ? 'fail' : 'done';
    this.isComplete = true;
    this.emit( eventName, this );
    this.emit( 'always', this );
    if ( this.jqDeferred ) {
      var jqMethod = this.hasAnyBroken ? 'reject' : 'resolve';
      this.jqDeferred[ jqMethod ]( this );
    }
  };

  // --------------------------  -------------------------- //

  function LoadingImage( img ) {
    this.img = img;
  }

  LoadingImage.prototype = new EventEmitter();

  LoadingImage.prototype.check = function() {
    // If complete is true and browser supports natural sizes,
    // try to check for image status manually.
    var isComplete = this.getIsImageComplete();
    if ( isComplete ) {
      // report based on naturalWidth
      this.confirm( this.img.naturalWidth !== 0, 'naturalWidth' );
      return;
    }

    // If none of the checks above matched, simulate loading on detached element.
    this.proxyImage = new Image();
    eventie.bind( this.proxyImage, 'load', this );
    eventie.bind( this.proxyImage, 'error', this );
    // bind to image as well for Firefox. #191
    eventie.bind( this.img, 'load', this );
    eventie.bind( this.img, 'error', this );
    this.proxyImage.src = this.img.src;
  };

  LoadingImage.prototype.getIsImageComplete = function() {
    return this.img.complete && this.img.naturalWidth !== undefined;
  };

  LoadingImage.prototype.confirm = function( isLoaded, message ) {
    this.isLoaded = isLoaded;
    this.emit( 'progress', this, this.img, message );
  };

  // ----- events ----- //

  // trigger specified handler for event type
  LoadingImage.prototype.handleEvent = function( event ) {
    var method = 'on' + event.type;
    if ( this[ method ] ) {
      this[ method ]( event );
    }
  };

  LoadingImage.prototype.onload = function() {
    this.confirm( true, 'onload' );
    this.unbindEvents();
  };

  LoadingImage.prototype.onerror = function() {
    this.confirm( false, 'onerror' );
    this.unbindEvents();
  };

  LoadingImage.prototype.unbindEvents = function() {
    eventie.unbind( this.proxyImage, 'load', this );
    eventie.unbind( this.proxyImage, 'error', this );
    eventie.unbind( this.img, 'load', this );
    eventie.unbind( this.img, 'error', this );
  };

  // -------------------------- Background -------------------------- //

  function Background( url, element ) {
    this.url = url;
    this.element = element;
    this.img = new Image();
  }

  // inherit LoadingImage prototype
  Background.prototype = new LoadingImage();

  Background.prototype.check = function() {
    eventie.bind( this.img, 'load', this );
    eventie.bind( this.img, 'error', this );
    this.img.src = this.url;
    // check if image is already complete
    var isComplete = this.getIsImageComplete();
    if ( isComplete ) {
      this.confirm( this.img.naturalWidth !== 0, 'naturalWidth' );
      this.unbindEvents();
    }
  };

  Background.prototype.unbindEvents = function() {
    eventie.unbind( this.img, 'load', this );
    eventie.unbind( this.img, 'error', this );
  };

  Background.prototype.confirm = function( isLoaded, message ) {
    this.isLoaded = isLoaded;
    this.emit( 'progress', this, this.element, message );
  };

  // -------------------------- jQuery -------------------------- //

  ImagesLoaded.makeJQueryPlugin = function( jQuery ) {
    jQuery = jQuery || window.jQuery;
    if ( !jQuery ) {
      return;
    }
    // set local variable
    $ = jQuery;
    // $().imagesLoaded()
    $.fn.imagesLoaded = function( options, callback ) {
      var instance = new ImagesLoaded( this, options, callback );
      return instance.jqDeferred.promise( $(this) );
    };
  };
  // try making plugin
  ImagesLoaded.makeJQueryPlugin();

  // --------------------------  -------------------------- //

  return ImagesLoaded;

});


/*!
 * Isotope PACKAGED v3.0.3
 *
 * Licensed GPLv3 for open source use
 * or Isotope Commercial License for commercial use
 *
 * http://isotope.metafizzy.co
 * Copyright 2017 Metafizzy
 */

!function(t,e){"function"==typeof define&&define.amd?define("jquery-bridget/jquery-bridget",["jquery"],function(i){return e(t,i)}):"object"==typeof module&&module.exports?module.exports=e(t,require("jquery")):t.jQueryBridget=e(t,t.jQuery)}(window,function(t,e){"use strict";function i(i,s,a){function u(t,e,n){var o,s="$()."+i+'("'+e+'")';return t.each(function(t,u){var h=a.data(u,i);if(!h)return void r(i+" not initialized. 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module&&module.exports?module.exports=e(require("outlayer")):(t.Isotope=t.Isotope||{},t.Isotope.Item=e(t.Outlayer))}(window,function(t){"use strict";function e(){t.Item.apply(this,arguments)}var i=e.prototype=Object.create(t.Item.prototype),n=i._create;i._create=function(){this.id=this.layout.itemGUID++,n.call(this),this.sortData={}},i.updateSortData=function(){if(!this.isIgnored){this.sortData.id=this.id,this.sortData["original-order"]=this.id,this.sortData.random=Math.random();var t=this.layout.options.getSortData,e=this.layout._sorters;for(var i in t){var n=e[i];this.sortData[i]=n(this.element,this)}}};var o=i.destroy;return i.destroy=function(){o.apply(this,arguments),this.css({display:""})},e}),function(t,e){"function"==typeof define&&define.amd?define("isotope/js/layout-mode",["get-size/get-size","outlayer/outlayer"],e):"object"==typeof module&&module.exports?module.exports=e(require("get-size"),require("outlayer")):(t.Isotope=t.Isotope||{},t.Isotope.LayoutMode=e(t.getSize,t.Outlayer))}(window,function(t,e){"use strict";function i(t){this.isotope=t,t&&(this.options=t.options[this.namespace],this.element=t.element,this.items=t.filteredItems,this.size=t.size)}var n=i.prototype,o=["_resetLayout","_getItemLayoutPosition","_manageStamp","_getContainerSize","_getElementOffset","needsResizeLayout","_getOption"];return o.forEach(function(t){n[t]=function(){return e.prototype[t].apply(this.isotope,arguments)}}),n.needsVerticalResizeLayout=function(){var e=t(this.isotope.element),i=this.isotope.size&&e;return i&&e.innerHeight!=this.isotope.size.innerHeight},n._getMeasurement=function(){this.isotope._getMeasurement.apply(this,arguments)},n.getColumnWidth=function(){this.getSegmentSize("column","Width")},n.getRowHeight=function(){this.getSegmentSize("row","Height")},n.getSegmentSize=function(t,e){var i=t+e,n="outer"+e;if(this._getMeasurement(i,n),!this[i]){var o=this.getFirstItemSize();this[i]=o&&o[n]||this.isotope.size["inner"+e]}},n.getFirstItemSize=function(){var e=this.isotope.filteredItems[0];return e&&e.element&&t(e.element)},n.layout=function(){this.isotope.layout.apply(this.isotope,arguments)},n.getSize=function(){this.isotope.getSize(),this.size=this.isotope.size},i.modes={},i.create=function(t,e){function o(){i.apply(this,arguments)}return o.prototype=Object.create(n),o.prototype.constructor=o,e&&(o.options=e),o.prototype.namespace=t,i.modes[t]=o,o},i}),function(t,e){"function"==typeof define&&define.amd?define("masonry/masonry",["outlayer/outlayer","get-size/get-size"],e):"object"==typeof module&&module.exports?module.exports=e(require("outlayer"),require("get-size")):t.Masonry=e(t.Outlayer,t.getSize)}(window,function(t,e){var i=t.create("masonry");return i.compatOptions.fitWidth="isFitWidth",i.prototype._resetLayout=function(){this.getSize(),this._getMeasurement("columnWidth","outerWidth"),this._getMeasurement("gutter","outerWidth"),this.measureColumns(),this.colYs=[];for(var t=0;t<this.cols;t++)this.colYs.push(0);this.maxY=0},i.prototype.measureColumns=function(){if(this.getContainerWidth(),!this.columnWidth){var t=this.items[0],i=t&&t.element;this.columnWidth=i&&e(i).outerWidth||this.containerWidth}var n=this.columnWidth+=this.gutter,o=this.containerWidth+this.gutter,s=o/n,r=n-o%n,a=r&&r<1?"round":"floor";s=Math[a](s),this.cols=Math.max(s,1)},i.prototype.getContainerWidth=function(){var t=this._getOption("fitWidth"),i=t?this.element.parentNode:this.element,n=e(i);this.containerWidth=n&&n.innerWidth},i.prototype._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth%this.columnWidth,i=e&&e<1?"round":"ceil",n=Math[i](t.size.outerWidth/this.columnWidth);n=Math.min(n,this.cols);for(var o=this._getColGroup(n),s=Math.min.apply(Math,o),r=o.indexOf(s),a={x:this.columnWidth*r,y:s},u=s+t.size.outerHeight,h=this.cols+1-o.length,d=0;d<h;d++)this.colYs[r+d]=u;return a},i.prototype._getColGroup=function(t){if(t<2)return this.colYs;for(var e=[],i=this.cols+1-t,n=0;n<i;n++){var o=this.colYs.slice(n,n+t);e[n]=Math.max.apply(Math,o)}return e},i.prototype._manageStamp=function(t){var i=e(t),n=this._getElementOffset(t),o=this._getOption("originLeft"),s=o?n.left:n.right,r=s+i.outerWidth,a=Math.floor(s/this.columnWidth);a=Math.max(0,a);var u=Math.floor(r/this.columnWidth);u-=r%this.columnWidth?0:1,u=Math.min(this.cols-1,u);for(var h=this._getOption("originTop"),d=(h?n.top:n.bottom)+i.outerHeight,l=a;l<=u;l++)this.colYs[l]=Math.max(d,this.colYs[l])},i.prototype._getContainerSize=function(){this.maxY=Math.max.apply(Math,this.colYs);var t={height:this.maxY};return this._getOption("fitWidth")&&(t.width=this._getContainerFitWidth()),t},i.prototype._getContainerFitWidth=function(){for(var t=0,e=this.cols;--e&&0===this.colYs[e];)t++;return(this.cols-t)*this.columnWidth-this.gutter},i.prototype.needsResizeLayout=function(){var t=this.containerWidth;return this.getContainerWidth(),t!=this.containerWidth},i}),function(t,e){"function"==typeof define&&define.amd?define("isotope/js/layout-modes/masonry",["../layout-mode","masonry/masonry"],e):"object"==typeof module&&module.exports?module.exports=e(require("../layout-mode"),require("masonry-layout")):e(t.Isotope.LayoutMode,t.Masonry)}(window,function(t,e){"use strict";var i=t.create("masonry"),n=i.prototype,o={_getElementOffset:!0,layout:!0,_getMeasurement:!0};for(var s in e.prototype)o[s]||(n[s]=e.prototype[s]);var r=n.measureColumns;n.measureColumns=function(){this.items=this.isotope.filteredItems,r.call(this)};var a=n._getOption;return n._getOption=function(t){return"fitWidth"==t?void 0!==this.options.isFitWidth?this.options.isFitWidth:this.options.fitWidth:a.apply(this.isotope,arguments)},i}),function(t,e){"function"==typeof define&&define.amd?define("isotope/js/layout-modes/fit-rows",["../layout-mode"],e):"object"==typeof exports?module.exports=e(require("../layout-mode")):e(t.Isotope.LayoutMode)}(window,function(t){"use strict";var e=t.create("fitRows"),i=e.prototype;return i._resetLayout=function(){this.x=0,this.y=0,this.maxY=0,this._getMeasurement("gutter","outerWidth")},i._getItemLayoutPosition=function(t){t.getSize();var e=t.size.outerWidth+this.gutter,i=this.isotope.size.innerWidth+this.gutter;0!==this.x&&e+this.x>i&&(this.x=0,this.y=this.maxY);var n={x:this.x,y:this.y};return this.maxY=Math.max(this.maxY,this.y+t.size.outerHeight),this.x+=e,n},i._getContainerSize=function(){return{height:this.maxY}},e}),function(t,e){"function"==typeof define&&define.amd?define("isotope/js/layout-modes/vertical",["../layout-mode"],e):"object"==typeof module&&module.exports?module.exports=e(require("../layout-mode")):e(t.Isotope.LayoutMode)}(window,function(t){"use strict";var e=t.create("vertical",{horizontalAlignment:0}),i=e.prototype;return i._resetLayout=function(){this.y=0},i._getItemLayoutPosition=function(t){t.getSize();var e=(this.isotope.size.innerWidth-t.size.outerWidth)*this.options.horizontalAlignment,i=this.y;return this.y+=t.size.outerHeight,{x:e,y:i}},i._getContainerSize=function(){return{height:this.y}},e}),function(t,e){"function"==typeof define&&define.amd?define(["outlayer/outlayer","get-size/get-size","desandro-matches-selector/matches-selector","fizzy-ui-utils/utils","isotope/js/item","isotope/js/layout-mode","isotope/js/layout-modes/masonry","isotope/js/layout-modes/fit-rows","isotope/js/layout-modes/vertical"],function(i,n,o,s,r,a){return e(t,i,n,o,s,r,a)}):"object"==typeof module&&module.exports?module.exports=e(t,require("outlayer"),require("get-size"),require("desandro-matches-selector"),require("fizzy-ui-utils"),require("isotope/js/item"),require("isotope/js/layout-mode"),require("isotope/js/layout-modes/masonry"),require("isotope/js/layout-modes/fit-rows"),require("isotope/js/layout-modes/vertical")):t.Isotope=e(t,t.Outlayer,t.getSize,t.matchesSelector,t.fizzyUIUtils,t.Isotope.Item,t.Isotope.LayoutMode)}(window,function(t,e,i,n,o,s,r){function a(t,e){return function(i,n){for(var o=0;o<t.length;o++){var s=t[o],r=i.sortData[s],a=n.sortData[s];if(r>a||r<a){var u=void 0!==e[s]?e[s]:e,h=u?1:-1;return(r>a?1:-1)*h}}return 0}}var u=t.jQuery,h=String.prototype.trim?function(t){return t.trim()}:function(t){return t.replace(/^\s+|\s+$/g,"")},d=e.create("isotope",{layoutMode:"masonry",isJQueryFiltering:!0,sortAscending:!0});d.Item=s,d.LayoutMode=r;var l=d.prototype;l._create=function(){this.itemGUID=0,this._sorters={},this._getSorters(),e.prototype._create.call(this),this.modes={},this.filteredItems=this.items,this.sortHistory=["original-order"];for(var t in r.modes)this._initLayoutMode(t)},l.reloadItems=function(){this.itemGUID=0,e.prototype.reloadItems.call(this)},l._itemize=function(){for(var t=e.prototype._itemize.apply(this,arguments),i=0;i<t.length;i++){var n=t[i];n.id=this.itemGUID++}return this._updateItemsSortData(t),t},l._initLayoutMode=function(t){var e=r.modes[t],i=this.options[t]||{};this.options[t]=e.options?o.extend(e.options,i):i,this.modes[t]=new e(this)},l.layout=function(){return!this._isLayoutInited&&this._getOption("initLayout")?void this.arrange():void this._layout()},l._layout=function(){var t=this._getIsInstant();this._resetLayout(),this._manageStamps(),this.layoutItems(this.filteredItems,t),this._isLayoutInited=!0},l.arrange=function(t){this.option(t),this._getIsInstant();var e=this._filter(this.items);this.filteredItems=e.matches,this._bindArrangeComplete(),this._isInstant?this._noTransition(this._hideReveal,[e]):this._hideReveal(e),this._sort(),this._layout()},l._init=l.arrange,l._hideReveal=function(t){this.reveal(t.needReveal),this.hide(t.needHide)},l._getIsInstant=function(){var t=this._getOption("layoutInstant"),e=void 0!==t?t:!this._isLayoutInited;return this._isInstant=e,e},l._bindArrangeComplete=function(){function t(){e&&i&&n&&o.dispatchEvent("arrangeComplete",null,[o.filteredItems])}var e,i,n,o=this;this.once("layoutComplete",function(){e=!0,t()}),this.once("hideComplete",function(){i=!0,t()}),this.once("revealComplete",function(){n=!0,t()})},l._filter=function(t){var e=this.options.filter;e=e||"*";for(var i=[],n=[],o=[],s=this._getFilterTest(e),r=0;r<t.length;r++){var a=t[r];if(!a.isIgnored){var u=s(a);u&&i.push(a),u&&a.isHidden?n.push(a):u||a.isHidden||o.push(a)}}return{matches:i,needReveal:n,needHide:o}},l._getFilterTest=function(t){return u&&this.options.isJQueryFiltering?function(e){return u(e.element).is(t)}:"function"==typeof t?function(e){return t(e.element)}:function(e){return n(e.element,t)}},l.updateSortData=function(t){var e;t?(t=o.makeArray(t),e=this.getItems(t)):e=this.items,this._getSorters(),this._updateItemsSortData(e)},l._getSorters=function(){var t=this.options.getSortData;for(var e in t){var i=t[e];this._sorters[e]=f(i)}},l._updateItemsSortData=function(t){for(var e=t&&t.length,i=0;e&&i<e;i++){var n=t[i];n.updateSortData()}};var f=function(){function t(t){if("string"!=typeof t)return t;var i=h(t).split(" "),n=i[0],o=n.match(/^\[(.+)\]$/),s=o&&o[1],r=e(s,n),a=d.sortDataParsers[i[1]];
return t=a?function(t){return t&&a(r(t))}:function(t){return t&&r(t)}}function e(t,e){return t?function(e){return e.getAttribute(t)}:function(t){var i=t.querySelector(e);return i&&i.textContent}}return t}();d.sortDataParsers={parseInt:function(t){return parseInt(t,10)},parseFloat:function(t){return parseFloat(t)}},l._sort=function(){if(this.options.sortBy){var t=o.makeArray(this.options.sortBy);this._getIsSameSortBy(t)||(this.sortHistory=t.concat(this.sortHistory));var e=a(this.sortHistory,this.options.sortAscending);this.filteredItems.sort(e)}},l._getIsSameSortBy=function(t){for(var e=0;e<t.length;e++)if(t[e]!=this.sortHistory[e])return!1;return!0},l._mode=function(){var t=this.options.layoutMode,e=this.modes[t];if(!e)throw new Error("No layout mode: "+t);return e.options=this.options[t],e},l._resetLayout=function(){e.prototype._resetLayout.call(this),this._mode()._resetLayout()},l._getItemLayoutPosition=function(t){return this._mode()._getItemLayoutPosition(t)},l._manageStamp=function(t){this._mode()._manageStamp(t)},l._getContainerSize=function(){return this._mode()._getContainerSize()},l.needsResizeLayout=function(){return this._mode().needsResizeLayout()},l.appended=function(t){var e=this.addItems(t);if(e.length){var i=this._filterRevealAdded(e);this.filteredItems=this.filteredItems.concat(i)}},l.prepended=function(t){var e=this._itemize(t);if(e.length){this._resetLayout(),this._manageStamps();var i=this._filterRevealAdded(e);this.layoutItems(this.filteredItems),this.filteredItems=i.concat(this.filteredItems),this.items=e.concat(this.items)}},l._filterRevealAdded=function(t){var e=this._filter(t);return this.hide(e.needHide),this.reveal(e.matches),this.layoutItems(e.matches,!0),e.matches},l.insert=function(t){var e=this.addItems(t);if(e.length){var i,n,o=e.length;for(i=0;i<o;i++)n=e[i],this.element.appendChild(n.element);var s=this._filter(e).matches;for(i=0;i<o;i++)e[i].isLayoutInstant=!0;for(this.arrange(),i=0;i<o;i++)delete e[i].isLayoutInstant;this.reveal(s)}};var m=l.remove;return l.remove=function(t){t=o.makeArray(t);var e=this.getItems(t);m.call(this,t);for(var i=e&&e.length,n=0;i&&n<i;n++){var s=e[n];o.removeFrom(this.filteredItems,s)}},l.shuffle=function(){for(var t=0;t<this.items.length;t++){var e=this.items[t];e.sortData.random=Math.random()}this.options.sortBy="random",this._sort(),this._layout()},l._noTransition=function(t,e){var i=this.options.transitionDuration;this.options.transitionDuration=0;var n=t.apply(this,e);return this.options.transitionDuration=i,n},l.getFilteredItemElements=function(){return this.filteredItems.map(function(t){return t.element})},d});
/*
     _ _      _       _
 ___| (_) ___| | __  (_)___
/ __| | |/ __| |/ /  | / __|
\__ \ | | (__|   < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
                   |__/

 Version: 1.6.0
  Author: Ken Wheeler
 Website: http://kenwheeler.github.io
    Docs: http://kenwheeler.github.io/slick
    Repo: http://github.com/kenwheeler/slick
  Issues: http://github.com/kenwheeler/slick/issues

 */
/* global window, document, define, jQuery, setInterval, clearInterval */
(function(factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory);
    } else if (typeof exports !== 'undefined') {
        module.exports = factory(require('jquery'));
    } else {
        factory(jQuery);
    }

}(function($) {
    'use strict';
    var Slick = window.Slick || {};

    Slick = (function() {

        var instanceUid = 0;

        function Slick(element, settings) {

            var _ = this, dataSettings;

            _.defaults = {
                accessibility: true,
                adaptiveHeight: false,
                appendArrows: $(element),
                appendDots: $(element),
                arrows: true,
                asNavFor: null,
                prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>',
                nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>',
                autoplay: false,
                autoplaySpeed: 3000,
                centerMode: false,
                centerPadding: '50px',
                cssEase: 'ease',
                customPaging: function(slider, i) {
                    return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1);
                },
                dots: false,
                dotsClass: 'slick-dots',
                draggable: true,
                easing: 'linear',
                edgeFriction: 0.35,
                fade: false,
                focusOnSelect: false,
                infinite: true,
                initialSlide: 0,
                lazyLoad: 'ondemand',
                mobileFirst: false,
                pauseOnHover: true,
                pauseOnFocus: true,
                pauseOnDotsHover: false,
                respondTo: 'window',
                responsive: null,
                rows: 1,
                rtl: false,
                slide: '',
                slidesPerRow: 1,
                slidesToShow: 1,
                slidesToScroll: 1,
                speed: 500,
                swipe: true,
                swipeToSlide: false,
                touchMove: true,
                touchThreshold: 5,
                useCSS: true,
                useTransform: true,
                variableWidth: false,
                vertical: false,
                verticalSwiping: false,
                waitForAnimate: true,
                zIndex: 1000
            };

            _.initials = {
                animating: false,
                dragging: false,
                autoPlayTimer: null,
                currentDirection: 0,
                currentLeft: null,
                currentSlide: 0,
                direction: 1,
                $dots: null,
                listWidth: null,
                listHeight: null,
                loadIndex: 0,
                $nextArrow: null,
                $prevArrow: null,
                slideCount: null,
                slideWidth: null,
                $slideTrack: null,
                $slides: null,
                sliding: false,
                slideOffset: 0,
                swipeLeft: null,
                $list: null,
                touchObject: {},
                transformsEnabled: false,
                unslicked: false
            };

            $.extend(_, _.initials);

            _.activeBreakpoint = null;
            _.animType = null;
            _.animProp = null;
            _.breakpoints = [];
            _.breakpointSettings = [];
            _.cssTransitions = false;
            _.focussed = false;
            _.interrupted = false;
            _.hidden = 'hidden';
            _.paused = true;
            _.positionProp = null;
            _.respondTo = null;
            _.rowCount = 1;
            _.shouldClick = true;
            _.$slider = $(element);
            _.$slidesCache = null;
            _.transformType = null;
            _.transitionType = null;
            _.visibilityChange = 'visibilitychange';
            _.windowWidth = 0;
            _.windowTimer = null;

            dataSettings = $(element).data('slick') || {};

            _.options = $.extend({}, _.defaults, settings, dataSettings);

            _.currentSlide = _.options.initialSlide;

            _.originalSettings = _.options;

            if (typeof document.mozHidden !== 'undefined') {
                _.hidden = 'mozHidden';
                _.visibilityChange = 'mozvisibilitychange';
            } else if (typeof document.webkitHidden !== 'undefined') {
                _.hidden = 'webkitHidden';
                _.visibilityChange = 'webkitvisibilitychange';
            }

            _.autoPlay = $.proxy(_.autoPlay, _);
            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
            _.changeSlide = $.proxy(_.changeSlide, _);
            _.clickHandler = $.proxy(_.clickHandler, _);
            _.selectHandler = $.proxy(_.selectHandler, _);
            _.setPosition = $.proxy(_.setPosition, _);
            _.swipeHandler = $.proxy(_.swipeHandler, _);
            _.dragHandler = $.proxy(_.dragHandler, _);
            _.keyHandler = $.proxy(_.keyHandler, _);

            _.instanceUid = instanceUid++;

            // A simple way to check for HTML strings
            // Strict HTML recognition (must start with <)
            // Extracted from jQuery v1.11 source
            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;


            _.registerBreakpoints();
            _.init(true);

        }

        return Slick;

    }());

    Slick.prototype.activateADA = function() {
        var _ = this;

        _.$slideTrack.find('.slick-active').attr({
            'aria-hidden': 'false'
        }).find('a, input, button, select').attr({
            'tabindex': '0'
        });

    };

    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {

        var _ = this;

        if (typeof(index) === 'boolean') {
            addBefore = index;
            index = null;
        } else if (index < 0 || (index >= _.slideCount)) {
            return false;
        }

        _.unload();

        if (typeof(index) === 'number') {
            if (index === 0 && _.$slides.length === 0) {
                $(markup).appendTo(_.$slideTrack);
            } else if (addBefore) {
                $(markup).insertBefore(_.$slides.eq(index));
            } else {
                $(markup).insertAfter(_.$slides.eq(index));
            }
        } else {
            if (addBefore === true) {
                $(markup).prependTo(_.$slideTrack);
            } else {
                $(markup).appendTo(_.$slideTrack);
            }
        }

        _.$slides = _.$slideTrack.children(this.options.slide);

        _.$slideTrack.children(this.options.slide).detach();

        _.$slideTrack.append(_.$slides);

        _.$slides.each(function(index, element) {
            $(element).attr('data-slick-index', index);
        });

        _.$slidesCache = _.$slides;

        _.reinit();

    };

    Slick.prototype.animateHeight = function() {
        var _ = this;
        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.animate({
                height: targetHeight
            }, _.options.speed);
        }
    };

    Slick.prototype.animateSlide = function(targetLeft, callback) {

        var animProps = {},
            _ = this;

        _.animateHeight();

        if (_.options.rtl === true && _.options.vertical === false) {
            targetLeft = -targetLeft;
        }
        if (_.transformsEnabled === false) {
            if (_.options.vertical === false) {
                _.$slideTrack.animate({
                    left: targetLeft
                }, _.options.speed, _.options.easing, callback);
            } else {
                _.$slideTrack.animate({
                    top: targetLeft
                }, _.options.speed, _.options.easing, callback);
            }

        } else {

            if (_.cssTransitions === false) {
                if (_.options.rtl === true) {
                    _.currentLeft = -(_.currentLeft);
                }
                $({
                    animStart: _.currentLeft
                }).animate({
                    animStart: targetLeft
                }, {
                    duration: _.options.speed,
                    easing: _.options.easing,
                    step: function(now) {
                        now = Math.ceil(now);
                        if (_.options.vertical === false) {
                            animProps[_.animType] = 'translate(' +
                                now + 'px, 0px)';
                            _.$slideTrack.css(animProps);
                        } else {
                            animProps[_.animType] = 'translate(0px,' +
                                now + 'px)';
                            _.$slideTrack.css(animProps);
                        }
                    },
                    complete: function() {
                        if (callback) {
                            callback.call();
                        }
                    }
                });

            } else {

                _.applyTransition();
                targetLeft = Math.ceil(targetLeft);

                if (_.options.vertical === false) {
                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
                } else {
                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
                }
                _.$slideTrack.css(animProps);

                if (callback) {
                    setTimeout(function() {

                        _.disableTransition();

                        callback.call();
                    }, _.options.speed);
                }

            }

        }

    };

    Slick.prototype.getNavTarget = function() {

        var _ = this,
            asNavFor = _.options.asNavFor;

        if ( asNavFor && asNavFor !== null ) {
            asNavFor = $(asNavFor).not(_.$slider);
        }

        return asNavFor;

    };

    Slick.prototype.asNavFor = function(index) {

        var _ = this,
            asNavFor = _.getNavTarget();

        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
            asNavFor.each(function() {
                var target = $(this).slick('getSlick');
                if(!target.unslicked) {
                    target.slideHandler(index, true);
                }
            });
        }

    };

    Slick.prototype.applyTransition = function(slide) {

        var _ = this,
            transition = {};

        if (_.options.fade === false) {
            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
        } else {
            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
        }

        if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

    };

    Slick.prototype.autoPlay = function() {

        var _ = this;

        _.autoPlayClear();

        if ( _.slideCount > _.options.slidesToShow ) {
            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
        }

    };

    Slick.prototype.autoPlayClear = function() {

        var _ = this;

        if (_.autoPlayTimer) {
            clearInterval(_.autoPlayTimer);
        }

    };

    Slick.prototype.autoPlayIterator = function() {

        var _ = this,
            slideTo = _.currentSlide + _.options.slidesToScroll;

        if ( !_.paused && !_.interrupted && !_.focussed ) {

            if ( _.options.infinite === false ) {

                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
                    _.direction = 0;
                }

                else if ( _.direction === 0 ) {

                    slideTo = _.currentSlide - _.options.slidesToScroll;

                    if ( _.currentSlide - 1 === 0 ) {
                        _.direction = 1;
                    }

                }

            }

            _.slideHandler( slideTo );

        }

    };

    Slick.prototype.buildArrows = function() {

        var _ = this;

        if (_.options.arrows === true ) {

            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');

            if( _.slideCount > _.options.slidesToShow ) {

                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');

                if (_.htmlExpr.test(_.options.prevArrow)) {
                    _.$prevArrow.prependTo(_.options.appendArrows);
                }

                if (_.htmlExpr.test(_.options.nextArrow)) {
                    _.$nextArrow.appendTo(_.options.appendArrows);
                }

                if (_.options.infinite !== true) {
                    _.$prevArrow
                        .addClass('slick-disabled')
                        .attr('aria-disabled', 'true');
                }

            } else {

                _.$prevArrow.add( _.$nextArrow )

                    .addClass('slick-hidden')
                    .attr({
                        'aria-disabled': 'true',
                        'tabindex': '-1'
                    });

            }

        }

    };

    Slick.prototype.buildDots = function() {

        var _ = this,
            i, dot;

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$slider.addClass('slick-dotted');

            dot = $('<ul />').addClass(_.options.dotsClass);

            for (i = 0; i <= _.getDotCount(); i += 1) {
                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
            }

            _.$dots = dot.appendTo(_.options.appendDots);

            _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');

        }

    };

    Slick.prototype.buildOut = function() {

        var _ = this;

        _.$slides =
            _.$slider
                .children( _.options.slide + ':not(.slick-cloned)')
                .addClass('slick-slide');

        _.slideCount = _.$slides.length;

        _.$slides.each(function(index, element) {
            $(element)
                .attr('data-slick-index', index)
                .data('originalStyling', $(element).attr('style') || '');
        });

        _.$slider.addClass('slick-slider');

        _.$slideTrack = (_.slideCount === 0) ?
            $('<div class="slick-track"/>').appendTo(_.$slider) :
            _.$slides.wrapAll('<div class="slick-track"/>').parent();

        _.$list = _.$slideTrack.wrap(
            '<div aria-live="polite" class="slick-list"/>').parent();
        _.$slideTrack.css('opacity', 0);

        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
            _.options.slidesToScroll = 1;
        }

        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');

        _.setupInfinite();

        _.buildArrows();

        _.buildDots();

        _.updateDots();


        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

        if (_.options.draggable === true) {
            _.$list.addClass('draggable');
        }

    };

    Slick.prototype.buildRows = function() {

        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;

        newSlides = document.createDocumentFragment();
        originalSlides = _.$slider.children();

        if(_.options.rows > 1) {

            slidesPerSection = _.options.slidesPerRow * _.options.rows;
            numOfSlides = Math.ceil(
                originalSlides.length / slidesPerSection
            );

            for(a = 0; a < numOfSlides; a++){
                var slide = document.createElement('div');
                for(b = 0; b < _.options.rows; b++) {
                    var row = document.createElement('div');
                    for(c = 0; c < _.options.slidesPerRow; c++) {
                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
                        if (originalSlides.get(target)) {
                            row.appendChild(originalSlides.get(target));
                        }
                    }
                    slide.appendChild(row);
                }
                newSlides.appendChild(slide);
            }

            _.$slider.empty().append(newSlides);
            _.$slider.children().children().children()
                .css({
                    'width':(100 / _.options.slidesPerRow) + '%',
                    'display': 'inline-block'
                });

        }

    };

    Slick.prototype.checkResponsive = function(initial, forceUpdate) {

        var _ = this,
            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
        var sliderWidth = _.$slider.width();
        var windowWidth = window.innerWidth || $(window).width();

        if (_.respondTo === 'window') {
            respondToWidth = windowWidth;
        } else if (_.respondTo === 'slider') {
            respondToWidth = sliderWidth;
        } else if (_.respondTo === 'min') {
            respondToWidth = Math.min(windowWidth, sliderWidth);
        }

        if ( _.options.responsive &&
            _.options.responsive.length &&
            _.options.responsive !== null) {

            targetBreakpoint = null;

            for (breakpoint in _.breakpoints) {
                if (_.breakpoints.hasOwnProperty(breakpoint)) {
                    if (_.originalSettings.mobileFirst === false) {
                        if (respondToWidth < _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    } else {
                        if (respondToWidth > _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    }
                }
            }

            if (targetBreakpoint !== null) {
                if (_.activeBreakpoint !== null) {
                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
                        _.activeBreakpoint =
                            targetBreakpoint;
                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                            _.unslick(targetBreakpoint);
                        } else {
                            _.options = $.extend({}, _.originalSettings,
                                _.breakpointSettings[
                                    targetBreakpoint]);
                            if (initial === true) {
                                _.currentSlide = _.options.initialSlide;
                            }
                            _.refresh(initial);
                        }
                        triggerBreakpoint = targetBreakpoint;
                    }
                } else {
                    _.activeBreakpoint = targetBreakpoint;
                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                        _.unslick(targetBreakpoint);
                    } else {
                        _.options = $.extend({}, _.originalSettings,
                            _.breakpointSettings[
                                targetBreakpoint]);
                        if (initial === true) {
                            _.currentSlide = _.options.initialSlide;
                        }
                        _.refresh(initial);
                    }
                    triggerBreakpoint = targetBreakpoint;
                }
            } else {
                if (_.activeBreakpoint !== null) {
                    _.activeBreakpoint = null;
                    _.options = _.originalSettings;
                    if (initial === true) {
                        _.currentSlide = _.options.initialSlide;
                    }
                    _.refresh(initial);
                    triggerBreakpoint = targetBreakpoint;
                }
            }

            // only trigger breakpoints during an actual break. not on initialize.
            if( !initial && triggerBreakpoint !== false ) {
                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
            }
        }

    };

    Slick.prototype.changeSlide = function(event, dontAnimate) {

        var _ = this,
            $target = $(event.currentTarget),
            indexOffset, slideOffset, unevenOffset;

        // If target is a link, prevent default action.
        if($target.is('a')) {
            event.preventDefault();
        }

        // If target is not the <li> element (ie: a child), find the <li>.
        if(!$target.is('li')) {
            $target = $target.closest('li');
        }

        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;

        switch (event.data.message) {

            case 'previous':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
                }
                break;

            case 'next':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
                }
                break;

            case 'index':
                var index = event.data.index === 0 ? 0 :
                    event.data.index || $target.index() * _.options.slidesToScroll;

                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
                $target.children().trigger('focus');
                break;

            default:
                return;
        }

    };

    Slick.prototype.checkNavigable = function(index) {

        var _ = this,
            navigables, prevNavigable;

        navigables = _.getNavigableIndexes();
        prevNavigable = 0;
        if (index > navigables[navigables.length - 1]) {
            index = navigables[navigables.length - 1];
        } else {
            for (var n in navigables) {
                if (index < navigables[n]) {
                    index = prevNavigable;
                    break;
                }
                prevNavigable = navigables[n];
            }
        }

        return index;
    };

    Slick.prototype.cleanUpEvents = function() {

        var _ = this;

        if (_.options.dots && _.$dots !== null) {

            $('li', _.$dots)
                .off('click.slick', _.changeSlide)
                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

        _.$slider.off('focus.slick blur.slick');

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
        }

        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);

        _.$list.off('click.slick', _.clickHandler);

        $(document).off(_.visibilityChange, _.visibility);

        _.cleanUpSlideEvents();

        if (_.options.accessibility === true) {
            _.$list.off('keydown.slick', _.keyHandler);
        }

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
        }

        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);

        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);

        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);

        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
        $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition);

    };

    Slick.prototype.cleanUpSlideEvents = function() {

        var _ = this;

        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));

    };

    Slick.prototype.cleanUpRows = function() {

        var _ = this, originalSlides;

        if(_.options.rows > 1) {
            originalSlides = _.$slides.children().children();
            originalSlides.removeAttr('style');
            _.$slider.empty().append(originalSlides);
        }

    };

    Slick.prototype.clickHandler = function(event) {

        var _ = this;

        if (_.shouldClick === false) {
            event.stopImmediatePropagation();
            event.stopPropagation();
            event.preventDefault();
        }

    };

    Slick.prototype.destroy = function(refresh) {

        var _ = this;

        _.autoPlayClear();

        _.touchObject = {};

        _.cleanUpEvents();

        $('.slick-cloned', _.$slider).detach();

        if (_.$dots) {
            _.$dots.remove();
        }


        if ( _.$prevArrow && _.$prevArrow.length ) {

            _.$prevArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

            if ( _.htmlExpr.test( _.options.prevArrow )) {
                _.$prevArrow.remove();
            }
        }

        if ( _.$nextArrow && _.$nextArrow.length ) {

            _.$nextArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

            if ( _.htmlExpr.test( _.options.nextArrow )) {
                _.$nextArrow.remove();
            }

        }


        if (_.$slides) {

            _.$slides
                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
                .removeAttr('aria-hidden')
                .removeAttr('data-slick-index')
                .each(function(){
                    $(this).attr('style', $(this).data('originalStyling'));
                });

            _.$slideTrack.children(this.options.slide).detach();

            _.$slideTrack.detach();

            _.$list.detach();

            _.$slider.append(_.$slides);
        }

        _.cleanUpRows();

        _.$slider.removeClass('slick-slider');
        _.$slider.removeClass('slick-initialized');
        _.$slider.removeClass('slick-dotted');

        _.unslicked = true;

        if(!refresh) {
            _.$slider.trigger('destroy', [_]);
        }

    };

    Slick.prototype.disableTransition = function(slide) {

        var _ = this,
            transition = {};

        transition[_.transitionType] = '';

        if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

    };

    Slick.prototype.fadeSlide = function(slideIndex, callback) {

        var _ = this;

        if (_.cssTransitions === false) {

            _.$slides.eq(slideIndex).css({
                zIndex: _.options.zIndex
            });

            _.$slides.eq(slideIndex).animate({
                opacity: 1
            }, _.options.speed, _.options.easing, callback);

        } else {

            _.applyTransition(slideIndex);

            _.$slides.eq(slideIndex).css({
                opacity: 1,
                zIndex: _.options.zIndex
            });

            if (callback) {
                setTimeout(function() {

                    _.disableTransition(slideIndex);

                    callback.call();
                }, _.options.speed);
            }

        }

    };

    Slick.prototype.fadeSlideOut = function(slideIndex) {

        var _ = this;

        if (_.cssTransitions === false) {

            _.$slides.eq(slideIndex).animate({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            }, _.options.speed, _.options.easing);

        } else {

            _.applyTransition(slideIndex);

            _.$slides.eq(slideIndex).css({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            });

        }

    };

    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {

        var _ = this;

        if (filter !== null) {

            _.$slidesCache = _.$slides;

            _.unload();

            _.$slideTrack.children(this.options.slide).detach();

            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);

            _.reinit();

        }

    };

    Slick.prototype.focusHandler = function() {

        var _ = this;

        _.$slider
            .off('focus.slick blur.slick')
            .on('focus.slick blur.slick',
                '*:not(.slick-arrow)', function(event) {

            event.stopImmediatePropagation();
            var $sf = $(this);

            setTimeout(function() {

                if( _.options.pauseOnFocus ) {
                    _.focussed = $sf.is(':focus');
                    _.autoPlay();
                }

            }, 0);

        });
    };

    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {

        var _ = this;
        return _.currentSlide;

    };

    Slick.prototype.getDotCount = function() {

        var _ = this;

        var breakPoint = 0;
        var counter = 0;
        var pagerQty = 0;

        if (_.options.infinite === true) {
            while (breakPoint < _.slideCount) {
                ++pagerQty;
                breakPoint = counter + _.options.slidesToScroll;
                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
            }
        } else if (_.options.centerMode === true) {
            pagerQty = _.slideCount;
        } else if(!_.options.asNavFor) {
            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
        }else {
            while (breakPoint < _.slideCount) {
                ++pagerQty;
                breakPoint = counter + _.options.slidesToScroll;
                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
            }
        }

        return pagerQty - 1;

    };

    Slick.prototype.getLeft = function(slideIndex) {

        var _ = this,
            targetLeft,
            verticalHeight,
            verticalOffset = 0,
            targetSlide;

        _.slideOffset = 0;
        verticalHeight = _.$slides.first().outerHeight(true);

        if (_.options.infinite === true) {
            if (_.slideCount > _.options.slidesToShow) {
                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
                verticalOffset = (verticalHeight * _.options.slidesToShow) * -1;
            }
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
                    if (slideIndex > _.slideCount) {
                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
                    } else {
                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
                    }
                }
            }
        } else {
            if (slideIndex + _.options.slidesToShow > _.slideCount) {
                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
            }
        }

        if (_.slideCount <= _.options.slidesToShow) {
            _.slideOffset = 0;
            verticalOffset = 0;
        }

        if (_.options.centerMode === true && _.options.infinite === true) {
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
        } else if (_.options.centerMode === true) {
            _.slideOffset = 0;
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
        }

        if (_.options.vertical === false) {
            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
        } else {
            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
        }

        if (_.options.variableWidth === true) {

            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
            } else {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
            }

            if (_.options.rtl === true) {
                if (targetSlide[0]) {
                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                } else {
                    targetLeft =  0;
                }
            } else {
                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
            }

            if (_.options.centerMode === true) {
                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
                } else {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
                }

                if (_.options.rtl === true) {
                    if (targetSlide[0]) {
                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                    } else {
                        targetLeft =  0;
                    }
                } else {
                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
                }

                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
            }
        }

        return targetLeft;

    };

    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {

        var _ = this;

        return _.options[option];

    };

    Slick.prototype.getNavigableIndexes = function() {

        var _ = this,
            breakPoint = 0,
            counter = 0,
            indexes = [],
            max;

        if (_.options.infinite === false) {
            max = _.slideCount;
        } else {
            breakPoint = _.options.slidesToScroll * -1;
            counter = _.options.slidesToScroll * -1;
            max = _.slideCount * 2;
        }

        while (breakPoint < max) {
            indexes.push(breakPoint);
            breakPoint = counter + _.options.slidesToScroll;
            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
        }

        return indexes;

    };

    Slick.prototype.getSlick = function() {

        return this;

    };

    Slick.prototype.getSlideCount = function() {

        var _ = this,
            slidesTraversed, swipedSlide, centerOffset;

        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;

        if (_.options.swipeToSlide === true) {
            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
                    swipedSlide = slide;
                    return false;
                }
            });

            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;

            return slidesTraversed;

        } else {
            return _.options.slidesToScroll;
        }

    };

    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'index',
                index: parseInt(slide)
            }
        }, dontAnimate);

    };

    Slick.prototype.init = function(creation) {

        var _ = this;

        if (!$(_.$slider).hasClass('slick-initialized')) {

            $(_.$slider).addClass('slick-initialized');

            _.buildRows();
            _.buildOut();
            _.setProps();
            _.startLoad();
            _.loadSlider();
            _.initializeEvents();
            _.updateArrows();
            _.updateDots();
            _.checkResponsive(true);
            _.focusHandler();

        }

        if (creation) {
            _.$slider.trigger('init', [_]);
        }

        if (_.options.accessibility === true) {
            _.initADA();
        }

        if ( _.options.autoplay ) {

            _.paused = false;
            _.autoPlay();

        }

    };

    Slick.prototype.initADA = function() {
        var _ = this;
        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
            'aria-hidden': 'true',
            'tabindex': '-1'
        }).find('a, input, button, select').attr({
            'tabindex': '-1'
        });

        _.$slideTrack.attr('role', 'listbox');

        _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
            $(this).attr({
                'role': 'option',
                'aria-describedby': 'slick-slide' + _.instanceUid + i + ''
            });
        });

        if (_.$dots !== null) {
            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
                $(this).attr({
                    'role': 'presentation',
                    'aria-selected': 'false',
                    'aria-controls': 'navigation' + _.instanceUid + i + '',
                    'id': 'slick-slide' + _.instanceUid + i + ''
                });
            })
                .first().attr('aria-selected', 'true').end()
                .find('button').attr('role', 'button').end()
                .closest('div').attr('role', 'toolbar');
        }
        _.activateADA();

    };

    Slick.prototype.initArrowEvents = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'previous'
               }, _.changeSlide);
            _.$nextArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'next'
               }, _.changeSlide);
        }

    };

    Slick.prototype.initDotEvents = function() {

        var _ = this;

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
            $('li', _.$dots).on('click.slick', {
                message: 'index'
            }, _.changeSlide);
        }

        if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) {

            $('li', _.$dots)
                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

    };

    Slick.prototype.initSlideEvents = function() {

        var _ = this;

        if ( _.options.pauseOnHover ) {

            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

    };

    Slick.prototype.initializeEvents = function() {

        var _ = this;

        _.initArrowEvents();

        _.initDotEvents();
        _.initSlideEvents();

        _.$list.on('touchstart.slick mousedown.slick', {
            action: 'start'
        }, _.swipeHandler);
        _.$list.on('touchmove.slick mousemove.slick', {
            action: 'move'
        }, _.swipeHandler);
        _.$list.on('touchend.slick mouseup.slick', {
            action: 'end'
        }, _.swipeHandler);
        _.$list.on('touchcancel.slick mouseleave.slick', {
            action: 'end'
        }, _.swipeHandler);

        _.$list.on('click.slick', _.clickHandler);

        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));

        if (_.options.accessibility === true) {
            _.$list.on('keydown.slick', _.keyHandler);
        }

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));

        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));

        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);

        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
        $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition);

    };

    Slick.prototype.initUI = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

            _.$prevArrow.show();
            _.$nextArrow.show();

        }

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$dots.show();

        }

    };

    Slick.prototype.keyHandler = function(event) {

        var _ = this;
         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
            if (event.keyCode === 37 && _.options.accessibility === true) {
                _.changeSlide({
                    data: {
                        message: _.options.rtl === true ? 'next' :  'previous'
                    }
                });
            } else if (event.keyCode === 39 && _.options.accessibility === true) {
                _.changeSlide({
                    data: {
                        message: _.options.rtl === true ? 'previous' : 'next'
                    }
                });
            }
        }

    };

    Slick.prototype.lazyLoad = function() {

        var _ = this,
            loadRange, cloneRange, rangeStart, rangeEnd;

        function loadImages(imagesScope) {

            $('img[data-lazy]', imagesScope).each(function() {

                var image = $(this),
                    imageSource = $(this).attr('data-lazy'),
                    imageToLoad = document.createElement('img');

                imageToLoad.onload = function() {

                    image
                        .animate({ opacity: 0 }, 100, function() {
                            image
                                .attr('src', imageSource)
                                .animate({ opacity: 1 }, 200, function() {
                                    image
                                        .removeAttr('data-lazy')
                                        .removeClass('slick-loading');
                                });
                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
                        });

                };

                imageToLoad.onerror = function() {

                    image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

                };

                imageToLoad.src = imageSource;

            });

        }

        if (_.options.centerMode === true) {
            if (_.options.infinite === true) {
                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
                rangeEnd = rangeStart + _.options.slidesToShow + 2;
            } else {
                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
            }
        } else {
            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
            if (_.options.fade === true) {
                if (rangeStart > 0) rangeStart--;
                if (rangeEnd <= _.slideCount) rangeEnd++;
            }
        }

        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
        loadImages(loadRange);

        if (_.slideCount <= _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-slide');
            loadImages(cloneRange);
        } else
        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
            loadImages(cloneRange);
        } else if (_.currentSlide === 0) {
            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
            loadImages(cloneRange);
        }

    };

    Slick.prototype.loadSlider = function() {

        var _ = this;

        _.setPosition();

        _.$slideTrack.css({
            opacity: 1
        });

        _.$slider.removeClass('slick-loading');

        _.initUI();

        if (_.options.lazyLoad === 'progressive') {
            _.progressiveLazyLoad();
        }

    };

    Slick.prototype.next = Slick.prototype.slickNext = function() {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'next'
            }
        });

    };

    Slick.prototype.orientationChange = function() {

        var _ = this;

        _.checkResponsive();
        _.setPosition();

    };

    Slick.prototype.pause = Slick.prototype.slickPause = function() {

        var _ = this;

        _.autoPlayClear();
        _.paused = true;

    };

    Slick.prototype.play = Slick.prototype.slickPlay = function() {

        var _ = this;

        _.autoPlay();
        _.options.autoplay = true;
        _.paused = false;
        _.focussed = false;
        _.interrupted = false;

    };

    Slick.prototype.postSlide = function(index) {

        var _ = this;

        if( !_.unslicked ) {

            _.$slider.trigger('afterChange', [_, index]);

            _.animating = false;

            _.setPosition();

            _.swipeLeft = null;

            if ( _.options.autoplay ) {
                _.autoPlay();
            }

            if (_.options.accessibility === true) {
                _.initADA();
            }

        }

    };

    Slick.prototype.prev = Slick.prototype.slickPrev = function() {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'previous'
            }
        });

    };

    Slick.prototype.preventDefault = function(event) {

        event.preventDefault();

    };

    Slick.prototype.progressiveLazyLoad = function( tryCount ) {

        tryCount = tryCount || 1;

        var _ = this,
            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
            image,
            imageSource,
            imageToLoad;

        if ( $imgsToLoad.length ) {

            image = $imgsToLoad.first();
            imageSource = image.attr('data-lazy');
            imageToLoad = document.createElement('img');

            imageToLoad.onload = function() {

                image
                    .attr( 'src', imageSource )
                    .removeAttr('data-lazy')
                    .removeClass('slick-loading');

                if ( _.options.adaptiveHeight === true ) {
                    _.setPosition();
                }

                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
                _.progressiveLazyLoad();

            };

            imageToLoad.onerror = function() {

                if ( tryCount < 3 ) {

                    /**
                     * try to load the image 3 times,
                     * leave a slight delay so we don't get
                     * servers blocking the request.
                     */
                    setTimeout( function() {
                        _.progressiveLazyLoad( tryCount + 1 );
                    }, 500 );

                } else {

                    image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

                    _.progressiveLazyLoad();

                }

            };

            imageToLoad.src = imageSource;

        } else {

            _.$slider.trigger('allImagesLoaded', [ _ ]);

        }

    };

    Slick.prototype.refresh = function( initializing ) {

        var _ = this, currentSlide, lastVisibleIndex;

        lastVisibleIndex = _.slideCount - _.options.slidesToShow;

        // in non-infinite sliders, we don't want to go past the
        // last visible index.
        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
            _.currentSlide = lastVisibleIndex;
        }

        // if less slides than to show, go to start.
        if ( _.slideCount <= _.options.slidesToShow ) {
            _.currentSlide = 0;

        }

        currentSlide = _.currentSlide;

        _.destroy(true);

        $.extend(_, _.initials, { currentSlide: currentSlide });

        _.init();

        if( !initializing ) {

            _.changeSlide({
                data: {
                    message: 'index',
                    index: currentSlide
                }
            }, false);

        }

    };

    Slick.prototype.registerBreakpoints = function() {

        var _ = this, breakpoint, currentBreakpoint, l,
            responsiveSettings = _.options.responsive || null;

        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {

            _.respondTo = _.options.respondTo || 'window';

            for ( breakpoint in responsiveSettings ) {

                l = _.breakpoints.length-1;
                currentBreakpoint = responsiveSettings[breakpoint].breakpoint;

                if (responsiveSettings.hasOwnProperty(breakpoint)) {

                    // loop through the breakpoints and cut out any existing
                    // ones with the same breakpoint number, we don't want dupes.
                    while( l >= 0 ) {
                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
                            _.breakpoints.splice(l,1);
                        }
                        l--;
                    }

                    _.breakpoints.push(currentBreakpoint);
                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;

                }

            }

            _.breakpoints.sort(function(a, b) {
                return ( _.options.mobileFirst ) ? a-b : b-a;
            });

        }

    };

    Slick.prototype.reinit = function() {

        var _ = this;

        _.$slides =
            _.$slideTrack
                .children(_.options.slide)
                .addClass('slick-slide');

        _.slideCount = _.$slides.length;

        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
        }

        if (_.slideCount <= _.options.slidesToShow) {
            _.currentSlide = 0;
        }

        _.registerBreakpoints();

        _.setProps();
        _.setupInfinite();
        _.buildArrows();
        _.updateArrows();
        _.initArrowEvents();
        _.buildDots();
        _.updateDots();
        _.initDotEvents();
        _.cleanUpSlideEvents();
        _.initSlideEvents();

        _.checkResponsive(false, true);

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

        _.setPosition();
        _.focusHandler();

        _.paused = !_.options.autoplay;
        _.autoPlay();

        _.$slider.trigger('reInit', [_]);

    };

    Slick.prototype.resize = function() {

        var _ = this;

        if ($(window).width() !== _.windowWidth) {
            clearTimeout(_.windowDelay);
            _.windowDelay = window.setTimeout(function() {
                _.windowWidth = $(window).width();
                _.checkResponsive();
                if( !_.unslicked ) { _.setPosition(); }
            }, 50);
        }
    };

    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {

        var _ = this;

        if (typeof(index) === 'boolean') {
            removeBefore = index;
            index = removeBefore === true ? 0 : _.slideCount - 1;
        } else {
            index = removeBefore === true ? --index : index;
        }

        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
            return false;
        }

        _.unload();

        if (removeAll === true) {
            _.$slideTrack.children().remove();
        } else {
            _.$slideTrack.children(this.options.slide).eq(index).remove();
        }

        _.$slides = _.$slideTrack.children(this.options.slide);

        _.$slideTrack.children(this.options.slide).detach();

        _.$slideTrack.append(_.$slides);

        _.$slidesCache = _.$slides;

        _.reinit();

    };

    Slick.prototype.setCSS = function(position) {

        var _ = this,
            positionProps = {},
            x, y;

        if (_.options.rtl === true) {
            position = -position;
        }
        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';

        positionProps[_.positionProp] = position;

        if (_.transformsEnabled === false) {
            _.$slideTrack.css(positionProps);
        } else {
            positionProps = {};
            if (_.cssTransitions === false) {
                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
                _.$slideTrack.css(positionProps);
            } else {
                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
                _.$slideTrack.css(positionProps);
            }
        }

    };

    Slick.prototype.setDimensions = function() {

        var _ = this;

        if (_.options.vertical === false) {
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: ('0px ' + _.options.centerPadding)
                });
            }
        } else {
            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: (_.options.centerPadding + ' 0px')
                });
            }
        }

        _.listWidth = _.$list.width();
        _.listHeight = _.$list.height();


        if (_.options.vertical === false && _.options.variableWidth === false) {
            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));

        } else if (_.options.variableWidth === true) {
            _.$slideTrack.width(5000 * _.slideCount);
        } else {
            _.slideWidth = Math.ceil(_.listWidth);
            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
        }

        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);

    };

    Slick.prototype.setFade = function() {

        var _ = this,
            targetLeft;

        _.$slides.each(function(index, element) {
            targetLeft = (_.slideWidth * index) * -1;
            if (_.options.rtl === true) {
                $(element).css({
                    position: 'relative',
                    right: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            } else {
                $(element).css({
                    position: 'relative',
                    left: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            }
        });

        _.$slides.eq(_.currentSlide).css({
            zIndex: _.options.zIndex - 1,
            opacity: 1
        });

    };

    Slick.prototype.setHeight = function() {

        var _ = this;

        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.css('height', targetHeight);
        }

    };

    Slick.prototype.setOption =
    Slick.prototype.slickSetOption = function() {

        /**
         * accepts arguments in format of:
         *
         *  - for changing a single option's value:
         *     .slick("setOption", option, value, refresh )
         *
         *  - for changing a set of responsive options:
         *     .slick("setOption", 'responsive', [{}, ...], refresh )
         *
         *  - for updating multiple values at once (not responsive)
         *     .slick("setOption", { 'option': value, ... }, refresh )
         */

        var _ = this, l, item, option, value, refresh = false, type;

        if( $.type( arguments[0] ) === 'object' ) {

            option =  arguments[0];
            refresh = arguments[1];
            type = 'multiple';

        } else if ( $.type( arguments[0] ) === 'string' ) {

            option =  arguments[0];
            value = arguments[1];
            refresh = arguments[2];

            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {

                type = 'responsive';

            } else if ( typeof arguments[1] !== 'undefined' ) {

                type = 'single';

            }

        }

        if ( type === 'single' ) {

            _.options[option] = value;


        } else if ( type === 'multiple' ) {

            $.each( option , function( opt, val ) {

                _.options[opt] = val;

            });


        } else if ( type === 'responsive' ) {

            for ( item in value ) {

                if( $.type( _.options.responsive ) !== 'array' ) {

                    _.options.responsive = [ value[item] ];

                } else {

                    l = _.options.responsive.length-1;

                    // loop through the responsive object and splice out duplicates.
                    while( l >= 0 ) {

                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {

                            _.options.responsive.splice(l,1);

                        }

                        l--;

                    }

                    _.options.responsive.push( value[item] );

                }

            }

        }

        if ( refresh ) {

            _.unload();
            _.reinit();

        }

    };

    Slick.prototype.setPosition = function() {

        var _ = this;

        _.setDimensions();

        _.setHeight();

        if (_.options.fade === false) {
            _.setCSS(_.getLeft(_.currentSlide));
        } else {
            _.setFade();
        }

        _.$slider.trigger('setPosition', [_]);

    };

    Slick.prototype.setProps = function() {

        var _ = this,
            bodyStyle = document.body.style;

        _.positionProp = _.options.vertical === true ? 'top' : 'left';

        if (_.positionProp === 'top') {
            _.$slider.addClass('slick-vertical');
        } else {
            _.$slider.removeClass('slick-vertical');
        }

        if (bodyStyle.WebkitTransition !== undefined ||
            bodyStyle.MozTransition !== undefined ||
            bodyStyle.msTransition !== undefined) {
            if (_.options.useCSS === true) {
                _.cssTransitions = true;
            }
        }

        if ( _.options.fade ) {
            if ( typeof _.options.zIndex === 'number' ) {
                if( _.options.zIndex < 3 ) {
                    _.options.zIndex = 3;
                }
            } else {
                _.options.zIndex = _.defaults.zIndex;
            }
        }

        if (bodyStyle.OTransform !== undefined) {
            _.animType = 'OTransform';
            _.transformType = '-o-transform';
            _.transitionType = 'OTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.MozTransform !== undefined) {
            _.animType = 'MozTransform';
            _.transformType = '-moz-transform';
            _.transitionType = 'MozTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.webkitTransform !== undefined) {
            _.animType = 'webkitTransform';
            _.transformType = '-webkit-transform';
            _.transitionType = 'webkitTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.msTransform !== undefined) {
            _.animType = 'msTransform';
            _.transformType = '-ms-transform';
            _.transitionType = 'msTransition';
            if (bodyStyle.msTransform === undefined) _.animType = false;
        }
        if (bodyStyle.transform !== undefined && _.animType !== false) {
            _.animType = 'transform';
            _.transformType = 'transform';
            _.transitionType = 'transition';
        }
        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
    };


    Slick.prototype.setSlideClasses = function(index) {

        var _ = this,
            centerOffset, allSlides, indexOffset, remainder;

        allSlides = _.$slider
            .find('.slick-slide')
            .removeClass('slick-active slick-center slick-current')
            .attr('aria-hidden', 'true');

        _.$slides
            .eq(index)
            .addClass('slick-current');

        if (_.options.centerMode === true) {

            centerOffset = Math.floor(_.options.slidesToShow / 2);

            if (_.options.infinite === true) {

                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {

                    _.$slides
                        .slice(index - centerOffset, index + centerOffset + 1)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                } else {

                    indexOffset = _.options.slidesToShow + index;
                    allSlides
                        .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                }

                if (index === 0) {

                    allSlides
                        .eq(allSlides.length - 1 - _.options.slidesToShow)
                        .addClass('slick-center');

                } else if (index === _.slideCount - 1) {

                    allSlides
                        .eq(_.options.slidesToShow)
                        .addClass('slick-center');

                }

            }

            _.$slides
                .eq(index)
                .addClass('slick-center');

        } else {

            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {

                _.$slides
                    .slice(index, index + _.options.slidesToShow)
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

            } else if (allSlides.length <= _.options.slidesToShow) {

                allSlides
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

            } else {

                remainder = _.slideCount % _.options.slidesToShow;
                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;

                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {

                    allSlides
                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                } else {

                    allSlides
                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                }

            }

        }

        if (_.options.lazyLoad === 'ondemand') {
            _.lazyLoad();
        }

    };

    Slick.prototype.setupInfinite = function() {

        var _ = this,
            i, slideIndex, infiniteCount;

        if (_.options.fade === true) {
            _.options.centerMode = false;
        }

        if (_.options.infinite === true && _.options.fade === false) {

            slideIndex = null;

            if (_.slideCount > _.options.slidesToShow) {

                if (_.options.centerMode === true) {
                    infiniteCount = _.options.slidesToShow + 1;
                } else {
                    infiniteCount = _.options.slidesToShow;
                }

                for (i = _.slideCount; i > (_.slideCount -
                        infiniteCount); i -= 1) {
                    slideIndex = i - 1;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex - _.slideCount)
                        .prependTo(_.$slideTrack).addClass('slick-cloned');
                }
                for (i = 0; i < infiniteCount; i += 1) {
                    slideIndex = i;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex + _.slideCount)
                        .appendTo(_.$slideTrack).addClass('slick-cloned');
                }
                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
                    $(this).attr('id', '');
                });

            }

        }

    };

    Slick.prototype.interrupt = function( toggle ) {

        var _ = this;

        if( !toggle ) {
            _.autoPlay();
        }
        _.interrupted = toggle;

    };

    Slick.prototype.selectHandler = function(event) {

        var _ = this;

        var targetElement =
            $(event.target).is('.slick-slide') ?
                $(event.target) :
                $(event.target).parents('.slick-slide');

        var index = parseInt(targetElement.attr('data-slick-index'));

        if (!index) index = 0;

        if (_.slideCount <= _.options.slidesToShow) {

            _.setSlideClasses(index);
            _.asNavFor(index);
            return;

        }

        _.slideHandler(index);

    };

    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {

        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
            _ = this, navTarget;

        sync = sync || false;

        if (_.animating === true && _.options.waitForAnimate === true) {
            return;
        }

        if (_.options.fade === true && _.currentSlide === index) {
            return;
        }

        if (_.slideCount <= _.options.slidesToShow) {
            return;
        }

        if (sync === false) {
            _.asNavFor(index);
        }

        targetSlide = index;
        targetLeft = _.getLeft(targetSlide);
        slideLeft = _.getLeft(_.currentSlide);

        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;

        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        }

        if ( _.options.autoplay ) {
            clearInterval(_.autoPlayTimer);
        }

        if (targetSlide < 0) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
            } else {
                animSlide = _.slideCount + targetSlide;
            }
        } else if (targetSlide >= _.slideCount) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = 0;
            } else {
                animSlide = targetSlide - _.slideCount;
            }
        } else {
            animSlide = targetSlide;
        }

        _.animating = true;

        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);

        oldSlide = _.currentSlide;
        _.currentSlide = animSlide;

        _.setSlideClasses(_.currentSlide);

        if ( _.options.asNavFor ) {

            navTarget = _.getNavTarget();
            navTarget = navTarget.slick('getSlick');

            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
                navTarget.setSlideClasses(_.currentSlide);
            }

        }

        _.updateDots();
        _.updateArrows();

        if (_.options.fade === true) {
            if (dontAnimate !== true) {

                _.fadeSlideOut(oldSlide);

                _.fadeSlide(animSlide, function() {
                    _.postSlide(animSlide);
                });

            } else {
                _.postSlide(animSlide);
            }
            _.animateHeight();
            return;
        }

        if (dontAnimate !== true) {
            _.animateSlide(targetLeft, function() {
                _.postSlide(animSlide);
            });
        } else {
            _.postSlide(animSlide);
        }

    };

    Slick.prototype.startLoad = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

            _.$prevArrow.hide();
            _.$nextArrow.hide();

        }

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$dots.hide();

        }

        _.$slider.addClass('slick-loading');

    };

    Slick.prototype.swipeDirection = function() {

        var xDist, yDist, r, swipeAngle, _ = this;

        xDist = _.touchObject.startX - _.touchObject.curX;
        yDist = _.touchObject.startY - _.touchObject.curY;
        r = Math.atan2(yDist, xDist);

        swipeAngle = Math.round(r * 180 / Math.PI);
        if (swipeAngle < 0) {
            swipeAngle = 360 - Math.abs(swipeAngle);
        }

        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
            return (_.options.rtl === false ? 'right' : 'left');
        }
        if (_.options.verticalSwiping === true) {
            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
                return 'down';
            } else {
                return 'up';
            }
        }

        return 'vertical';

    };

    Slick.prototype.swipeEnd = function(event) {

        var _ = this,
            slideCount,
            direction;

        _.dragging = false;
        _.interrupted = false;
        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;

        if ( _.touchObject.curX === undefined ) {
            return false;
        }

        if ( _.touchObject.edgeHit === true ) {
            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
        }

        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {

            direction = _.swipeDirection();

            switch ( direction ) {

                case 'left':
                case 'down':

                    slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
                            _.currentSlide + _.getSlideCount();

                    _.currentDirection = 0;

                    break;

                case 'right':
                case 'up':

                    slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
                            _.currentSlide - _.getSlideCount();

                    _.currentDirection = 1;

                    break;

                default:


            }

            if( direction != 'vertical' ) {

                _.slideHandler( slideCount );
                _.touchObject = {};
                _.$slider.trigger('swipe', [_, direction ]);

            }

        } else {

            if ( _.touchObject.startX !== _.touchObject.curX ) {

                _.slideHandler( _.currentSlide );
                _.touchObject = {};

            }

        }

    };

    Slick.prototype.swipeHandler = function(event) {

        var _ = this;

        if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
            return;
        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
            return;
        }

        _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
            event.originalEvent.touches.length : 1;

        _.touchObject.minSwipe = _.listWidth / _.options
            .touchThreshold;

        if (_.options.verticalSwiping === true) {
            _.touchObject.minSwipe = _.listHeight / _.options
                .touchThreshold;
        }

        switch (event.data.action) {

            case 'start':
                _.swipeStart(event);
                break;

            case 'move':
                _.swipeMove(event);
                break;

            case 'end':
                _.swipeEnd(event);
                break;

        }

    };

    Slick.prototype.swipeMove = function(event) {

        var _ = this,
            edgeWasHit = false,
            curLeft, swipeDirection, swipeLength, positionOffset, touches;

        touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;

        if (!_.dragging || touches && touches.length !== 1) {
            return false;
        }

        curLeft = _.getLeft(_.currentSlide);

        _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;

        _.touchObject.swipeLength = Math.round(Math.sqrt(
            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));

        if (_.options.verticalSwiping === true) {
            _.touchObject.swipeLength = Math.round(Math.sqrt(
                Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
        }

        swipeDirection = _.swipeDirection();

        if (swipeDirection === 'vertical') {
            return;
        }

        if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
            event.preventDefault();
        }

        positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
        if (_.options.verticalSwiping === true) {
            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
        }


        swipeLength = _.touchObject.swipeLength;

        _.touchObject.edgeHit = false;

        if (_.options.infinite === false) {
            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
                _.touchObject.edgeHit = true;
            }
        }

        if (_.options.vertical === false) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        } else {
            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
        }
        if (_.options.verticalSwiping === true) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        }

        if (_.options.fade === true || _.options.touchMove === false) {
            return false;
        }

        if (_.animating === true) {
            _.swipeLeft = null;
            return false;
        }

        _.setCSS(_.swipeLeft);

    };

    Slick.prototype.swipeStart = function(event) {

        var _ = this,
            touches;

        _.interrupted = true;

        if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
            _.touchObject = {};
            return false;
        }

        if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
            touches = event.originalEvent.touches[0];
        }

        _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;

        _.dragging = true;

    };

    Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {

        var _ = this;

        if (_.$slidesCache !== null) {

            _.unload();

            _.$slideTrack.children(this.options.slide).detach();

            _.$slidesCache.appendTo(_.$slideTrack);

            _.reinit();

        }

    };

    Slick.prototype.unload = function() {

        var _ = this;

        $('.slick-cloned', _.$slider).remove();

        if (_.$dots) {
            _.$dots.remove();
        }

        if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
            _.$prevArrow.remove();
        }

        if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
            _.$nextArrow.remove();
        }

        _.$slides
            .removeClass('slick-slide slick-active slick-visible slick-current')
            .attr('aria-hidden', 'true')
            .css('width', '');

    };

    Slick.prototype.unslick = function(fromBreakpoint) {

        var _ = this;
        _.$slider.trigger('unslick', [_, fromBreakpoint]);
        _.destroy();

    };

    Slick.prototype.updateArrows = function() {

        var _ = this,
            centerOffset;

        centerOffset = Math.floor(_.options.slidesToShow / 2);

        if ( _.options.arrows === true &&
            _.slideCount > _.options.slidesToShow &&
            !_.options.infinite ) {

            _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            if (_.currentSlide === 0) {

                _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {

                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {

                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            }

        }

    };

    Slick.prototype.updateDots = function() {

        var _ = this;

        if (_.$dots !== null) {

            _.$dots
                .find('li')
                .removeClass('slick-active')
                .attr('aria-hidden', 'true');

            _.$dots
                .find('li')
                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
                .addClass('slick-active')
                .attr('aria-hidden', 'false');

        }

    };

    Slick.prototype.visibility = function() {

        var _ = this;

        if ( _.options.autoplay ) {

            if ( document[_.hidden] ) {

                _.interrupted = true;

            } else {

                _.interrupted = false;

            }

        }

    };

    $.fn.slick = function() {
        var _ = this,
            opt = arguments[0],
            args = Array.prototype.slice.call(arguments, 1),
            l = _.length,
            i,
            ret;
        for (i = 0; i < l; i++) {
            if (typeof opt == 'object' || typeof opt == 'undefined')
                _[i].slick = new Slick(_[i], opt);
            else
                ret = _[i].slick[opt].apply(_[i].slick, args);
            if (typeof ret != 'undefined') return ret;
        }
        return _;
    };

}));

/*!
 * fancyBox - jQuery Plugin
 * version: 2.1.5 (Fri, 14 Jun 2013)
 * requires jQuery v1.6 or later
 *
 * Examples at http://fancyapps.com/fancybox/
 * License: www.fancyapps.com/fancybox/#license
 *
 * Copyright 2012 Janis Skarnelis - janis@fancyapps.com
 *
 */

;(function (window, document, $, undefined) {
	"use strict";

	var H = $("html"),
		W = $(window),
		D = $(document),
		F = $.fancybox = function () {
			F.open.apply( this, arguments );
		},
		IE =  navigator.userAgent.match(/msie/i),
		didUpdate	= null,
		isTouch		= document.createTouch !== undefined,

		isQuery	= function(obj) {
			return obj && obj.hasOwnProperty && obj instanceof $;
		},
		isString = function(str) {
			return str && $.type(str) === "string";
		},
		isPercentage = function(str) {
			return isString(str) && str.indexOf('%') > 0;
		},
		isScrollable = function(el) {
			return (el && !(el.style.overflow && el.style.overflow === 'hidden') && ((el.clientWidth && el.scrollWidth > el.clientWidth) || (el.clientHeight && el.scrollHeight > el.clientHeight)));
		},
		getScalar = function(orig, dim) {
			var value = parseInt(orig, 10) || 0;

			if (dim && isPercentage(orig)) {
				value = F.getViewport()[ dim ] / 100 * value;
			}

			return Math.ceil(value);
		},
		getValue = function(value, dim) {
			return getScalar(value, dim) + 'px';
		};

	$.extend(F, {
		// The current version of fancyBox
		version: '2.1.5',

		defaults: {
			padding : 15,
			margin  : 20,

			width     : 800,
			height    : 600,
			minWidth  : 100,
			minHeight : 100,
			maxWidth  : 9999,
			maxHeight : 9999,
			pixelRatio: 1, // Set to 2 for retina display support

			autoSize   : true,
			autoHeight : false,
			autoWidth  : false,

			autoResize  : true,
			autoCenter  : !isTouch,
			fitToView   : true,
			aspectRatio : false,
			topRatio    : 0.5,
			leftRatio   : 0.5,

			scrolling : 'auto', // 'auto', 'yes' or 'no'
			wrapCSS   : '',

			arrows     : true,
			closeBtn   : true,
			closeClick : false,
			nextClick  : false,
			mouseWheel : true,
			autoPlay   : false,
			playSpeed  : 3000,
			preload    : 3,
			modal      : false,
			loop       : true,

			ajax  : {
				dataType : 'html',
				headers  : { 'X-fancyBox': true }
			},
			iframe : {
				scrolling : 'auto',
				preload   : true
			},
			swf : {
				wmode: 'transparent',
				allowfullscreen   : 'true',
				allowscriptaccess : 'always'
			},

			keys  : {
				next : {
					13 : 'left', // enter
					34 : 'up',   // page down
					39 : 'left', // right arrow
					40 : 'up'    // down arrow
				},
				prev : {
					8  : 'right',  // backspace
					33 : 'down',   // page up
					37 : 'right',  // left arrow
					38 : 'down'    // up arrow
				},
				close  : [27], // escape key
				play   : [32], // space - start/stop slideshow
				toggle : [70]  // letter "f" - toggle fullscreen
			},

			direction : {
				next : 'left',
				prev : 'right'
			},

			scrollOutside  : true,

			// Override some properties
			index   : 0,
			type    : null,
			href    : null,
			content : null,
			title   : null,

			// HTML templates
			tpl: {
				wrap     : '<div class="fancybox-wrap" tabIndex="-1"><div class="fancybox-skin"><div class="fancybox-outer"><div class="fancybox-inner"></div></div></div></div>',
				image    : '<img class="fancybox-image" src="{href}" alt="" />',
				iframe   : '<iframe id="fancybox-frame{rnd}" name="fancybox-frame{rnd}" class="fancybox-iframe" frameborder="0" vspace="0" hspace="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen' + (IE ? ' allowtransparency="true"' : '') + '></iframe>',
				error    : '<p class="fancybox-error">The requested content cannot be loaded.<br/>Please try again later.</p>',
				closeBtn : '<a title="Close" class="fancybox-item fancybox-close" href="javascript:;"></a>',
				next     : '<a title="Next" class="fancybox-nav fancybox-next" href="javascript:;"><span></span></a>',
				prev     : '<a title="Previous" class="fancybox-nav fancybox-prev" href="javascript:;"><span></span></a>',
				loading  : '<div id="fancybox-loading"><div></div></div>'
			},

			// Properties for each animation type
			// Opening fancyBox
			openEffect  : 'fade', // 'elastic', 'fade' or 'none'
			openSpeed   : 250,
			openEasing  : 'swing',
			openOpacity : true,
			openMethod  : 'zoomIn',

			// Closing fancyBox
			closeEffect  : 'fade', // 'elastic', 'fade' or 'none'
			closeSpeed   : 250,
			closeEasing  : 'swing',
			closeOpacity : true,
			closeMethod  : 'zoomOut',

			// Changing next gallery item
			nextEffect : 'elastic', // 'elastic', 'fade' or 'none'
			nextSpeed  : 250,
			nextEasing : 'swing',
			nextMethod : 'changeIn',

			// Changing previous gallery item
			prevEffect : 'elastic', // 'elastic', 'fade' or 'none'
			prevSpeed  : 250,
			prevEasing : 'swing',
			prevMethod : 'changeOut',

			// Enable default helpers
			helpers : {
				overlay : true,
				title   : true
			},

			// Callbacks
			onCancel     : $.noop, // If canceling
			beforeLoad   : $.noop, // Before loading
			afterLoad    : $.noop, // After loading
			beforeShow   : $.noop, // Before changing in current item
			afterShow    : $.noop, // After opening
			beforeChange : $.noop, // Before changing gallery item
			beforeClose  : $.noop, // Before closing
			afterClose   : $.noop  // After closing
		},

		//Current state
		group    : {}, // Selected group
		opts     : {}, // Group options
		previous : null,  // Previous element
		coming   : null,  // Element being loaded
		current  : null,  // Currently loaded element
		isActive : false, // Is activated
		isOpen   : false, // Is currently open
		isOpened : false, // Have been fully opened at least once

		wrap  : null,
		skin  : null,
		outer : null,
		inner : null,

		player : {
			timer    : null,
			isActive : false
		},

		// Loaders
		ajaxLoad   : null,
		imgPreload : null,

		// Some collections
		transitions : {},
		helpers     : {},

		/*
		 *	Static methods
		 */

		open: function (group, opts) {
			if (!group) {
				return;
			}

			if (!$.isPlainObject(opts)) {
				opts = {};
			}

			// Close if already active
			if (false === F.close(true)) {
				return;
			}

			// Normalize group
			if (!$.isArray(group)) {
				group = isQuery(group) ? $(group).get() : [group];
			}

			// Recheck if the type of each element is `object` and set content type (image, ajax, etc)
			$.each(group, function(i, element) {
				var obj = {},
					href,
					title,
					content,
					type,
					rez,
					hrefParts,
					selector;

				if ($.type(element) === "object") {
					// Check if is DOM element
					if (element.nodeType) {
						element = $(element);
					}

					if (isQuery(element)) {
						obj = {
							href    : element.data('fancybox-href') || element.attr('href'),
							title   : $('<div/>').text( element.data('fancybox-title') || element.attr('title') || '' ).html(),
							isDom   : true,
							element : element
						};

						if ($.metadata) {
							$.extend(true, obj, element.metadata());
						}

					} else {
						obj = element;
					}
				}

				href  = opts.href  || obj.href || (isString(element) ? element : null);
				title = opts.title !== undefined ? opts.title : obj.title || '';

				content = opts.content || obj.content;
				type    = content ? 'html' : (opts.type  || obj.type);

				if (!type && obj.isDom) {
					type = element.data('fancybox-type');

					if (!type) {
						rez  = element.prop('class').match(/fancybox\.(\w+)/);
						type = rez ? rez[1] : null;
					}
				}

				if (isString(href)) {
					// Try to guess the content type
					if (!type) {
						if (F.isImage(href)) {
							type = 'image';

						} else if (F.isSWF(href)) {
							type = 'swf';

						} else if (href.charAt(0) === '#') {
							type = 'inline';

						} else if (isString(element)) {
							type    = 'html';
							content = element;
						}
					}

					// Split url into two pieces with source url and content selector, e.g,
					// "/mypage.html #my_id" will load "/mypage.html" and display element having id "my_id"
					if (type === 'ajax') {
						hrefParts = href.split(/\s+/, 2);
						href      = hrefParts.shift();
						selector  = hrefParts.shift();
					}
				}

				if (!content) {
					if (type === 'inline') {
						if (href) {
							content = $( isString(href) ? href.replace(/.*(?=#[^\s]+$)/, '') : href ); //strip for ie7

						} else if (obj.isDom) {
							content = element;
						}

					} else if (type === 'html') {
						content = href;

					} else if (!type && !href && obj.isDom) {
						type    = 'inline';
						content = element;
					}
				}

				$.extend(obj, {
					href     : href,
					type     : type,
					content  : content,
					title    : title,
					selector : selector
				});

				group[ i ] = obj;
			});

			// Extend the defaults
			F.opts = $.extend(true, {}, F.defaults, opts);

			// All options are merged recursive except keys
			if (opts.keys !== undefined) {
				F.opts.keys = opts.keys ? $.extend({}, F.defaults.keys, opts.keys) : false;
			}

			F.group = group;

			return F._start(F.opts.index);
		},

		// Cancel image loading or abort ajax request
		cancel: function () {
			var coming = F.coming;

			if (coming && false === F.trigger('onCancel')) {
				return;
			}

			F.hideLoading();

			if (!coming) {
				return;
			}

			if (F.ajaxLoad) {
				F.ajaxLoad.abort();
			}

			F.ajaxLoad = null;

			if (F.imgPreload) {
				F.imgPreload.onload = F.imgPreload.onerror = null;
			}

			if (coming.wrap) {
				coming.wrap.stop(true, true).trigger('onReset').remove();
			}

			F.coming = null;

			// If the first item has been canceled, then clear everything
			if (!F.current) {
				F._afterZoomOut( coming );
			}
		},

		// Start closing animation if is open; remove immediately if opening/closing
		close: function (event) {
			F.cancel();

			if (false === F.trigger('beforeClose')) {
				return;
			}

			F.unbindEvents();

			if (!F.isActive) {
				return;
			}

			if (!F.isOpen || event === true) {
				$('.fancybox-wrap').stop(true).trigger('onReset').remove();

				F._afterZoomOut();

			} else {
				F.isOpen = F.isOpened = false;
				F.isClosing = true;

				$('.fancybox-item, .fancybox-nav').remove();

				F.wrap.stop(true, true).removeClass('fancybox-opened');

				F.transitions[ F.current.closeMethod ]();
			}
		},

		// Manage slideshow:
		//   $.fancybox.play(); - toggle slideshow
		//   $.fancybox.play( true ); - start
		//   $.fancybox.play( false ); - stop
		play: function ( action ) {
			var clear = function () {
					clearTimeout(F.player.timer);
				},
				set = function () {
					clear();

					if (F.current && F.player.isActive) {
						F.player.timer = setTimeout(F.next, F.current.playSpeed);
					}
				},
				stop = function () {
					clear();

					D.unbind('.player');

					F.player.isActive = false;

					F.trigger('onPlayEnd');
				},
				start = function () {
					if (F.current && (F.current.loop || F.current.index < F.group.length - 1)) {
						F.player.isActive = true;

						D.bind({
							'onCancel.player beforeClose.player' : stop,
							'onUpdate.player'   : set,
							'beforeLoad.player' : clear
						});

						set();

						F.trigger('onPlayStart');
					}
				};

			if (action === true || (!F.player.isActive && action !== false)) {
				start();
			} else {
				stop();
			}
		},

		// Navigate to next gallery item
		next: function ( direction ) {
			var current = F.current;

			if (current) {
				if (!isString(direction)) {
					direction = current.direction.next;
				}

				F.jumpto(current.index + 1, direction, 'next');
			}
		},

		// Navigate to previous gallery item
		prev: function ( direction ) {
			var current = F.current;

			if (current) {
				if (!isString(direction)) {
					direction = current.direction.prev;
				}

				F.jumpto(current.index - 1, direction, 'prev');
			}
		},

		// Navigate to gallery item by index
		jumpto: function ( index, direction, router ) {
			var current = F.current;

			if (!current) {
				return;
			}

			index = getScalar(index);

			F.direction = direction || current.direction[ (index >= current.index ? 'next' : 'prev') ];
			F.router    = router || 'jumpto';

			if (current.loop) {
				if (index < 0) {
					index = current.group.length + (index % current.group.length);
				}

				index = index % current.group.length;
			}

			if (current.group[ index ] !== undefined) {
				F.cancel();

				F._start(index);
			}
		},

		// Center inside viewport and toggle position type to fixed or absolute if needed
		reposition: function (e, onlyAbsolute) {
			var current = F.current,
				wrap    = current ? current.wrap : null,
				pos;

			if (wrap) {
				pos = F._getPosition(onlyAbsolute);

				if (e && e.type === 'scroll') {
					delete pos.position;

					wrap.stop(true, true).animate(pos, 200);

				} else {
					wrap.css(pos);

					current.pos = $.extend({}, current.dim, pos);
				}
			}
		},

		update: function (e) {
			var type = (e && e.originalEvent && e.originalEvent.type),
				anyway = !type || type === 'orientationchange';

			if (anyway) {
				clearTimeout(didUpdate);

				didUpdate = null;
			}

			if (!F.isOpen || didUpdate) {
				return;
			}

			didUpdate = setTimeout(function() {
				var current = F.current;

				if (!current || F.isClosing) {
					return;
				}

				F.wrap.removeClass('fancybox-tmp');

				if (anyway || type === 'load' || (type === 'resize' && current.autoResize)) {
					F._setDimension();
				}

				if (!(type === 'scroll' && current.canShrink)) {
					F.reposition(e);
				}

				F.trigger('onUpdate');

				didUpdate = null;

			}, (anyway && !isTouch ? 0 : 300));
		},

		// Shrink content to fit inside viewport or restore if resized
		toggle: function ( action ) {
			if (F.isOpen) {
				F.current.fitToView = $.type(action) === "boolean" ? action : !F.current.fitToView;

				// Help browser to restore document dimensions
				if (isTouch) {
					F.wrap.removeAttr('style').addClass('fancybox-tmp');

					F.trigger('onUpdate');
				}

				F.update();
			}
		},

		hideLoading: function () {
			D.unbind('.loading');

			$('#fancybox-loading').remove();
		},

		showLoading: function () {
			var el, viewport;

			F.hideLoading();

			el = $(F.opts.tpl.loading).click(F.cancel).appendTo('body');

			// If user will press the escape-button, the request will be canceled
			D.bind('keydown.loading', function(e) {
				if ((e.which || e.keyCode) === 27) {
					e.preventDefault();

					F.cancel();
				}
			});

			if (!F.defaults.fixed) {
				viewport = F.getViewport();

				el.css({
					position : 'absolute',
					top  : (viewport.h * 0.5) + viewport.y,
					left : (viewport.w * 0.5) + viewport.x
				});
			}

			F.trigger('onLoading');
		},

		getViewport: function () {
			var locked = (F.current && F.current.locked) || false,
				rez    = {
					x: W.scrollLeft(),
					y: W.scrollTop()
				};

			if (locked && locked.length) {
				rez.w = locked[0].clientWidth;
				rez.h = locked[0].clientHeight;

			} else {
				// See http://bugs.jquery.com/ticket/6724
				rez.w = isTouch && window.innerWidth  ? window.innerWidth  : W.width();
				rez.h = isTouch && window.innerHeight ? window.innerHeight : W.height();
			}

			return rez;
		},

		// Unbind the keyboard / clicking actions
		unbindEvents: function () {
			if (F.wrap && isQuery(F.wrap)) {
				F.wrap.unbind('.fb');
			}

			D.unbind('.fb');
			W.unbind('.fb');
		},

		bindEvents: function () {
			var current = F.current,
				keys;

			if (!current) {
				return;
			}

			// Changing document height on iOS devices triggers a 'resize' event,
			// that can change document height... repeating infinitely
			W.bind('orientationchange.fb' + (isTouch ? '' : ' resize.fb') + (current.autoCenter && !current.locked ? ' scroll.fb' : ''), F.update);

			keys = current.keys;

			if (keys) {
				D.bind('keydown.fb', function (e) {
					var code   = e.which || e.keyCode,
						target = e.target || e.srcElement;

					// Skip esc key if loading, because showLoading will cancel preloading
					if (code === 27 && F.coming) {
						return false;
					}

					// Ignore key combinations and key events within form elements
					if (!e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey && !(target && (target.type || $(target).is('[contenteditable]')))) {
						$.each(keys, function(i, val) {
							if (current.group.length > 1 && val[ code ] !== undefined) {
								F[ i ]( val[ code ] );

								e.preventDefault();
								return false;
							}

							if ($.inArray(code, val) > -1) {
								F[ i ] ();

								e.preventDefault();
								return false;
							}
						});
					}
				});
			}

			if ($.fn.mousewheel && current.mouseWheel) {
				F.wrap.bind('mousewheel.fb', function (e, delta, deltaX, deltaY) {
					var target = e.target || null,
						parent = $(target),
						canScroll = false;

					while (parent.length) {
						if (canScroll || parent.is('.fancybox-skin') || parent.is('.fancybox-wrap')) {
							break;
						}

						canScroll = isScrollable( parent[0] );
						parent    = $(parent).parent();
					}

					if (delta !== 0 && !canScroll) {
						if (F.group.length > 1 && !current.canShrink) {
							if (deltaY > 0 || deltaX > 0) {
								F.prev( deltaY > 0 ? 'down' : 'left' );

							} else if (deltaY < 0 || deltaX < 0) {
								F.next( deltaY < 0 ? 'up' : 'right' );
							}

							e.preventDefault();
						}
					}
				});
			}
		},

		trigger: function (event, o) {
			var ret, obj = o || F.coming || F.current;

			if (obj) {
				if ($.isFunction( obj[event] )) {
					ret = obj[event].apply(obj, Array.prototype.slice.call(arguments, 1));
				}

				if (ret === false) {
					return false;
				}

				if (obj.helpers) {
					$.each(obj.helpers, function (helper, opts) {
						if (opts && F.helpers[helper] && $.isFunction(F.helpers[helper][event])) {
							F.helpers[helper][event]($.extend(true, {}, F.helpers[helper].defaults, opts), obj);
						}
					});
				}
			}

			D.trigger(event);
		},

		isImage: function (str) {
			return isString(str) && str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
		},

		isSWF: function (str) {
			return isString(str) && str.match(/\.(swf)((\?|#).*)?$/i);
		},

		_start: function (index) {
			var coming = {},
				obj,
				href,
				type,
				margin,
				padding;

			index = getScalar( index );
			obj   = F.group[ index ] || null;

			if (!obj) {
				return false;
			}

			coming = $.extend(true, {}, F.opts, obj);

			// Convert margin and padding properties to array - top, right, bottom, left
			margin  = coming.margin;
			padding = coming.padding;

			if ($.type(margin) === 'number') {
				coming.margin = [margin, margin, margin, margin];
			}

			if ($.type(padding) === 'number') {
				coming.padding = [padding, padding, padding, padding];
			}

			// 'modal' propery is just a shortcut
			if (coming.modal) {
				$.extend(true, coming, {
					closeBtn   : false,
					closeClick : false,
					nextClick  : false,
					arrows     : false,
					mouseWheel : false,
					keys       : null,
					helpers: {
						overlay : {
							closeClick : false
						}
					}
				});
			}

			// 'autoSize' property is a shortcut, too
			if (coming.autoSize) {
				coming.autoWidth = coming.autoHeight = true;
			}

			if (coming.width === 'auto') {
				coming.autoWidth = true;
			}

			if (coming.height === 'auto') {
				coming.autoHeight = true;
			}

			/*
			 * Add reference to the group, so it`s possible to access from callbacks, example:
			 * afterLoad : function() {
			 *     this.title = 'Image ' + (this.index + 1) + ' of ' + this.group.length + (this.title ? ' - ' + this.title : '');
			 * }
			 */

			coming.group  = F.group;
			coming.index  = index;

			// Give a chance for callback or helpers to update coming item (type, title, etc)
			F.coming = coming;

			if (false === F.trigger('beforeLoad')) {
				F.coming = null;

				return;
			}

			type = coming.type;
			href = coming.href;

			if (!type) {
				F.coming = null;

				//If we can not determine content type then drop silently or display next/prev item if looping through gallery
				if (F.current && F.router && F.router !== 'jumpto') {
					F.current.index = index;

					return F[ F.router ]( F.direction );
				}

				return false;
			}

			F.isActive = true;

			if (type === 'image' || type === 'swf') {
				coming.autoHeight = coming.autoWidth = false;
				coming.scrolling  = 'visible';
			}

			if (type === 'image') {
				coming.aspectRatio = true;
			}

			if (type === 'iframe' && isTouch) {
				coming.scrolling = 'scroll';
			}

			// Build the neccessary markup
			coming.wrap = $(coming.tpl.wrap).addClass('fancybox-' + (isTouch ? 'mobile' : 'desktop') + ' fancybox-type-' + type + ' fancybox-tmp ' + coming.wrapCSS).appendTo( coming.parent || 'body' );

			$.extend(coming, {
				skin  : $('.fancybox-skin',  coming.wrap),
				outer : $('.fancybox-outer', coming.wrap),
				inner : $('.fancybox-inner', coming.wrap)
			});

			$.each(["Top", "Right", "Bottom", "Left"], function(i, v) {
				coming.skin.css('padding' + v, getValue(coming.padding[ i ]));
			});

			F.trigger('onReady');

			// Check before try to load; 'inline' and 'html' types need content, others - href
			if (type === 'inline' || type === 'html') {
				if (!coming.content || !coming.content.length) {
					return F._error( 'content' );
				}

			} else if (!href) {
				return F._error( 'href' );
			}

			if (type === 'image') {
				F._loadImage();

			} else if (type === 'ajax') {
				F._loadAjax();

			} else if (type === 'iframe') {
				F._loadIframe();

			} else {
				F._afterLoad();
			}
		},

		_error: function ( type ) {
			$.extend(F.coming, {
				type       : 'html',
				autoWidth  : true,
				autoHeight : true,
				minWidth   : 0,
				minHeight  : 0,
				scrolling  : 'no',
				hasError   : type,
				content    : F.coming.tpl.error
			});

			F._afterLoad();
		},

		_loadImage: function () {
			// Reset preload image so it is later possible to check "complete" property
			var img = F.imgPreload = new Image();

			img.onload = function () {
				this.onload = this.onerror = null;

				F.coming.width  = this.width / F.opts.pixelRatio;
				F.coming.height = this.height / F.opts.pixelRatio;

				F._afterLoad();
			};

			img.onerror = function () {
				this.onload = this.onerror = null;

				F._error( 'image' );
			};

			img.src = F.coming.href;

			if (img.complete !== true) {
				F.showLoading();
			}
		},

		_loadAjax: function () {
			var coming = F.coming;

			F.showLoading();

			F.ajaxLoad = $.ajax($.extend({}, coming.ajax, {
				url: coming.href,
				error: function (jqXHR, textStatus) {
					if (F.coming && textStatus !== 'abort') {
						F._error( 'ajax', jqXHR );

					} else {
						F.hideLoading();
					}
				},
				success: function (data, textStatus) {
					if (textStatus === 'success') {
						coming.content = data;

						F._afterLoad();
					}
				}
			}));
		},

		_loadIframe: function() {
			var coming = F.coming,
				iframe = $(coming.tpl.iframe.replace(/\{rnd\}/g, new Date().getTime()))
					.attr('scrolling', isTouch ? 'auto' : coming.iframe.scrolling)
					.attr('src', coming.href);

			// This helps IE
			$(coming.wrap).bind('onReset', function () {
				try {
					$(this).find('iframe').hide().attr('src', '//about:blank').end().empty();
				} catch (e) {}
			});

			if (coming.iframe.preload) {
				F.showLoading();

				iframe.one('load', function() {
					$(this).data('ready', 1);

					// iOS will lose scrolling if we resize
					if (!isTouch) {
						$(this).bind('load.fb', F.update);
					}

					// Without this trick:
					//   - iframe won't scroll on iOS devices
					//   - IE7 sometimes displays empty iframe
					$(this).parents('.fancybox-wrap').width('100%').removeClass('fancybox-tmp').show();

					F._afterLoad();
				});
			}

			coming.content = iframe.appendTo( coming.inner );

			if (!coming.iframe.preload) {
				F._afterLoad();
			}
		},

		_preloadImages: function() {
			var group   = F.group,
				current = F.current,
				len     = group.length,
				cnt     = current.preload ? Math.min(current.preload, len - 1) : 0,
				item,
				i;

			for (i = 1; i <= cnt; i += 1) {
				item = group[ (current.index + i ) % len ];

				if (item.type === 'image' && item.href) {
					new Image().src = item.href;
				}
			}
		},

		_afterLoad: function () {
			var coming   = F.coming,
				previous = F.current,
				placeholder = 'fancybox-placeholder',
				current,
				content,
				type,
				scrolling,
				href,
				embed;

			F.hideLoading();

			if (!coming || F.isActive === false) {
				return;
			}

			if (false === F.trigger('afterLoad', coming, previous)) {
				coming.wrap.stop(true).trigger('onReset').remove();

				F.coming = null;

				return;
			}

			if (previous) {
				F.trigger('beforeChange', previous);

				previous.wrap.stop(true).removeClass('fancybox-opened')
					.find('.fancybox-item, .fancybox-nav')
					.remove();
			}

			F.unbindEvents();

			current   = coming;
			content   = coming.content;
			type      = coming.type;
			scrolling = coming.scrolling;

			$.extend(F, {
				wrap  : current.wrap,
				skin  : current.skin,
				outer : current.outer,
				inner : current.inner,
				current  : current,
				previous : previous
			});

			href = current.href;

			switch (type) {
				case 'inline':
				case 'ajax':
				case 'html':
					if (current.selector) {
						content = $('<div>').html(content).find(current.selector);

					} else if (isQuery(content)) {
						if (!content.data(placeholder)) {
							content.data(placeholder, $('<div class="' + placeholder + '"></div>').insertAfter( content ).hide() );
						}

						content = content.show().detach();

						current.wrap.bind('onReset', function () {
							if ($(this).find(content).length) {
								content.hide().replaceAll( content.data(placeholder) ).data(placeholder, false);
							}
						});
					}
				break;

				case 'image':
					content = current.tpl.image.replace(/\{href\}/g, href);
				break;

				case 'swf':
					content = '<object id="fancybox-swf" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="100%"><param name="movie" value="' + href + '"></param>';
					embed   = '';

					$.each(current.swf, function(name, val) {
						content += '<param name="' + name + '" value="' + val + '"></param>';
						embed   += ' ' + name + '="' + val + '"';
					});

					content += '<embed src="' + href + '" type="application/x-shockwave-flash" width="100%" height="100%"' + embed + '></embed></object>';
				break;
			}

			if (!(isQuery(content) && content.parent().is(current.inner))) {
				current.inner.append( content );
			}

			// Give a chance for helpers or callbacks to update elements
			F.trigger('beforeShow');

			// Set scrolling before calculating dimensions
			current.inner.css('overflow', scrolling === 'yes' ? 'scroll' : (scrolling === 'no' ? 'hidden' : scrolling));

			// Set initial dimensions and start position
			F._setDimension();

			F.reposition();

			F.isOpen = false;
			F.coming = null;

			F.bindEvents();

			if (!F.isOpened) {
				$('.fancybox-wrap').not( current.wrap ).stop(true).trigger('onReset').remove();

			} else if (previous.prevMethod) {
				F.transitions[ previous.prevMethod ]();
			}

			F.transitions[ F.isOpened ? current.nextMethod : current.openMethod ]();

			F._preloadImages();
		},

		_setDimension: function () {
			var viewport   = F.getViewport(),
				steps      = 0,
				canShrink  = false,
				canExpand  = false,
				wrap       = F.wrap,
				skin       = F.skin,
				inner      = F.inner,
				current    = F.current,
				width      = current.width,
				height     = current.height,
				minWidth   = current.minWidth,
				minHeight  = current.minHeight,
				maxWidth   = current.maxWidth,
				maxHeight  = current.maxHeight,
				scrolling  = current.scrolling,
				scrollOut  = current.scrollOutside ? current.scrollbarWidth : 0,
				margin     = current.margin,
				wMargin    = getScalar(margin[1] + margin[3]),
				hMargin    = getScalar(margin[0] + margin[2]),
				wPadding,
				hPadding,
				wSpace,
				hSpace,
				origWidth,
				origHeight,
				origMaxWidth,
				origMaxHeight,
				ratio,
				width_,
				height_,
				maxWidth_,
				maxHeight_,
				iframe,
				body;

			// Reset dimensions so we could re-check actual size
			wrap.add(skin).add(inner).width('auto').height('auto').removeClass('fancybox-tmp');

			wPadding = getScalar(skin.outerWidth(true)  - skin.width());
			hPadding = getScalar(skin.outerHeight(true) - skin.height());

			// Any space between content and viewport (margin, padding, border, title)
			wSpace = wMargin + wPadding;
			hSpace = hMargin + hPadding;

			origWidth  = isPercentage(width)  ? (viewport.w - wSpace) * getScalar(width)  / 100 : width;
			origHeight = isPercentage(height) ? (viewport.h - hSpace) * getScalar(height) / 100 : height;

			if (current.type === 'iframe') {
				iframe = current.content;

				if (current.autoHeight && iframe.data('ready') === 1) {
					try {
						if (iframe[0].contentWindow.document.location) {
							inner.width( origWidth ).height(9999);

							body = iframe.contents().find('body');

							if (scrollOut) {
								body.css('overflow-x', 'hidden');
							}

							origHeight = body.outerHeight(true);
						}

					} catch (e) {}
				}

			} else if (current.autoWidth || current.autoHeight) {
				inner.addClass( 'fancybox-tmp' );

				// Set width or height in case we need to calculate only one dimension
				if (!current.autoWidth) {
					inner.width( origWidth );
				}

				if (!current.autoHeight) {
					inner.height( origHeight );
				}

				if (current.autoWidth) {
					origWidth = inner.width();
				}

				if (current.autoHeight) {
					origHeight = inner.height();
				}

				inner.removeClass( 'fancybox-tmp' );
			}

			width  = getScalar( origWidth );
			height = getScalar( origHeight );

			ratio  = origWidth / origHeight;

			// Calculations for the content
			minWidth  = getScalar(isPercentage(minWidth) ? getScalar(minWidth, 'w') - wSpace : minWidth);
			maxWidth  = getScalar(isPercentage(maxWidth) ? getScalar(maxWidth, 'w') - wSpace : maxWidth);

			minHeight = getScalar(isPercentage(minHeight) ? getScalar(minHeight, 'h') - hSpace : minHeight);
			maxHeight = getScalar(isPercentage(maxHeight) ? getScalar(maxHeight, 'h') - hSpace : maxHeight);

			// These will be used to determine if wrap can fit in the viewport
			origMaxWidth  = maxWidth;
			origMaxHeight = maxHeight;

			if (current.fitToView) {
				maxWidth  = Math.min(viewport.w - wSpace, maxWidth);
				maxHeight = Math.min(viewport.h - hSpace, maxHeight);
			}

			maxWidth_  = viewport.w - wMargin;
			maxHeight_ = viewport.h - hMargin;

			if (current.aspectRatio) {
				if (width > maxWidth) {
					width  = maxWidth;
					height = getScalar(width / ratio);
				}

				if (height > maxHeight) {
					height = maxHeight;
					width  = getScalar(height * ratio);
				}

				if (width < minWidth) {
					width  = minWidth;
					height = getScalar(width / ratio);
				}

				if (height < minHeight) {
					height = minHeight;
					width  = getScalar(height * ratio);
				}

			} else {
				width = Math.max(minWidth, Math.min(width, maxWidth));

				if (current.autoHeight && current.type !== 'iframe') {
					inner.width( width );

					height = inner.height();
				}

				height = Math.max(minHeight, Math.min(height, maxHeight));
			}

			// Try to fit inside viewport (including the title)
			if (current.fitToView) {
				inner.width( width ).height( height );

				wrap.width( width + wPadding );

				// Real wrap dimensions
				width_  = wrap.width();
				height_ = wrap.height();

				if (current.aspectRatio) {
					while ((width_ > maxWidth_ || height_ > maxHeight_) && width > minWidth && height > minHeight) {
						if (steps++ > 19) {
							break;
						}

						height = Math.max(minHeight, Math.min(maxHeight, height - 10));
						width  = getScalar(height * ratio);

						if (width < minWidth) {
							width  = minWidth;
							height = getScalar(width / ratio);
						}

						if (width > maxWidth) {
							width  = maxWidth;
							height = getScalar(width / ratio);
						}

						inner.width( width ).height( height );

						wrap.width( width + wPadding );

						width_  = wrap.width();
						height_ = wrap.height();
					}

				} else {
					width  = Math.max(minWidth,  Math.min(width,  width  - (width_  - maxWidth_)));
					height = Math.max(minHeight, Math.min(height, height - (height_ - maxHeight_)));
				}
			}

			if (scrollOut && scrolling === 'auto' && height < origHeight && (width + wPadding + scrollOut) < maxWidth_) {
				width += scrollOut;
			}

			inner.width( width ).height( height );

			wrap.width( width + wPadding );

			width_  = wrap.width();
			height_ = wrap.height();

			canShrink = (width_ > maxWidth_ || height_ > maxHeight_) && width > minWidth && height > minHeight;
			canExpand = current.aspectRatio ? (width < origMaxWidth && height < origMaxHeight && width < origWidth && height < origHeight) : ((width < origMaxWidth || height < origMaxHeight) && (width < origWidth || height < origHeight));

			$.extend(current, {
				dim : {
					width	: getValue( width_ ),
					height	: getValue( height_ )
				},
				origWidth  : origWidth,
				origHeight : origHeight,
				canShrink  : canShrink,
				canExpand  : canExpand,
				wPadding   : wPadding,
				hPadding   : hPadding,
				wrapSpace  : height_ - skin.outerHeight(true),
				skinSpace  : skin.height() - height
			});

			if (!iframe && current.autoHeight && height > minHeight && height < maxHeight && !canExpand) {
				inner.height('auto');
			}
		},

		_getPosition: function (onlyAbsolute) {
			var current  = F.current,
				viewport = F.getViewport(),
				margin   = current.margin,
				width    = F.wrap.width()  + margin[1] + margin[3],
				height   = F.wrap.height() + margin[0] + margin[2],
				rez      = {
					position: 'absolute',
					top  : margin[0],
					left : margin[3]
				};

			if (current.autoCenter && current.fixed && !onlyAbsolute && height <= viewport.h && width <= viewport.w) {
				rez.position = 'fixed';

			} else if (!current.locked) {
				rez.top  += viewport.y;
				rez.left += viewport.x;
			}

			rez.top  = getValue(Math.max(rez.top,  rez.top  + ((viewport.h - height) * current.topRatio)));
			rez.left = getValue(Math.max(rez.left, rez.left + ((viewport.w - width)  * current.leftRatio)));

			return rez;
		},

		_afterZoomIn: function () {
			var current = F.current;

			if (!current) {
				return;
			}

			F.isOpen = F.isOpened = true;

			F.wrap.css('overflow', 'visible').addClass('fancybox-opened').hide().show(0);

			F.update();

			// Assign a click event
			if ( current.closeClick || (current.nextClick && F.group.length > 1) ) {
				F.inner.css('cursor', 'pointer').bind('click.fb', function(e) {
					if (!$(e.target).is('a') && !$(e.target).parent().is('a')) {
						e.preventDefault();

						F[ current.closeClick ? 'close' : 'next' ]();
					}
				});
			}

			// Create a close button
			if (current.closeBtn) {
				$(current.tpl.closeBtn).appendTo(F.skin).bind('click.fb', function(e) {
					e.preventDefault();

					F.close();
				});
			}

			// Create navigation arrows
			if (current.arrows && F.group.length > 1) {
				if (current.loop || current.index > 0) {
					$(current.tpl.prev).appendTo(F.outer).bind('click.fb', F.prev);
				}

				if (current.loop || current.index < F.group.length - 1) {
					$(current.tpl.next).appendTo(F.outer).bind('click.fb', F.next);
				}
			}

			F.trigger('afterShow');

			// Stop the slideshow if this is the last item
			if (!current.loop && current.index === current.group.length - 1) {

				F.play( false );

			} else if (F.opts.autoPlay && !F.player.isActive) {
				F.opts.autoPlay = false;

				F.play(true);
			}
		},

		_afterZoomOut: function ( obj ) {
			obj = obj || F.current;

			$('.fancybox-wrap').trigger('onReset').remove();

			$.extend(F, {
				group  : {},
				opts   : {},
				router : false,
				current   : null,
				isActive  : false,
				isOpened  : false,
				isOpen    : false,
				isClosing : false,
				wrap   : null,
				skin   : null,
				outer  : null,
				inner  : null
			});

			F.trigger('afterClose', obj);
		}
	});

	/*
	 *	Default transitions
	 */

	F.transitions = {
		getOrigPosition: function () {
			var current  = F.current,
				element  = current.element,
				orig     = current.orig,
				pos      = {},
				width    = 50,
				height   = 50,
				hPadding = current.hPadding,
				wPadding = current.wPadding,
				viewport = F.getViewport();

			if (!orig && current.isDom && element.is(':visible')) {
				orig = element.find('img:first');

				if (!orig.length) {
					orig = element;
				}
			}

			if (isQuery(orig)) {
				pos = orig.offset();

				if (orig.is('img')) {
					width  = orig.outerWidth();
					height = orig.outerHeight();
				}

			} else {
				pos.top  = viewport.y + (viewport.h - height) * current.topRatio;
				pos.left = viewport.x + (viewport.w - width)  * current.leftRatio;
			}

			if (F.wrap.css('position') === 'fixed' || current.locked) {
				pos.top  -= viewport.y;
				pos.left -= viewport.x;
			}

			pos = {
				top     : getValue(pos.top  - hPadding * current.topRatio),
				left    : getValue(pos.left - wPadding * current.leftRatio),
				width   : getValue(width  + wPadding),
				height  : getValue(height + hPadding)
			};

			return pos;
		},

		step: function (now, fx) {
			var ratio,
				padding,
				value,
				prop       = fx.prop,
				current    = F.current,
				wrapSpace  = current.wrapSpace,
				skinSpace  = current.skinSpace;

			if (prop === 'width' || prop === 'height') {
				ratio = fx.end === fx.start ? 1 : (now - fx.start) / (fx.end - fx.start);

				if (F.isClosing) {
					ratio = 1 - ratio;
				}

				padding = prop === 'width' ? current.wPadding : current.hPadding;
				value   = now - padding;

				F.skin[ prop ](  getScalar( prop === 'width' ?  value : value - (wrapSpace * ratio) ) );
				F.inner[ prop ]( getScalar( prop === 'width' ?  value : value - (wrapSpace * ratio) - (skinSpace * ratio) ) );
			}
		},

		zoomIn: function () {
			var current  = F.current,
				startPos = current.pos,
				effect   = current.openEffect,
				elastic  = effect === 'elastic',
				endPos   = $.extend({opacity : 1}, startPos);

			// Remove "position" property that breaks older IE
			delete endPos.position;

			if (elastic) {
				startPos = this.getOrigPosition();

				if (current.openOpacity) {
					startPos.opacity = 0.1;
				}

			} else if (effect === 'fade') {
				startPos.opacity = 0.1;
			}

			F.wrap.css(startPos).animate(endPos, {
				duration : effect === 'none' ? 0 : current.openSpeed,
				easing   : current.openEasing,
				step     : elastic ? this.step : null,
				complete : F._afterZoomIn
			});
		},

		zoomOut: function () {
			var current  = F.current,
				effect   = current.closeEffect,
				elastic  = effect === 'elastic',
				endPos   = {opacity : 0.1};

			if (elastic) {
				endPos = this.getOrigPosition();

				if (current.closeOpacity) {
					endPos.opacity = 0.1;
				}
			}

			F.wrap.animate(endPos, {
				duration : effect === 'none' ? 0 : current.closeSpeed,
				easing   : current.closeEasing,
				step     : elastic ? this.step : null,
				complete : F._afterZoomOut
			});
		},

		changeIn: function () {
			var current   = F.current,
				effect    = current.nextEffect,
				startPos  = current.pos,
				endPos    = { opacity : 1 },
				direction = F.direction,
				distance  = 200,
				field;

			startPos.opacity = 0.1;

			if (effect === 'elastic') {
				field = direction === 'down' || direction === 'up' ? 'top' : 'left';

				if (direction === 'down' || direction === 'right') {
					startPos[ field ] = getValue(getScalar(startPos[ field ]) - distance);
					endPos[ field ]   = '+=' + distance + 'px';

				} else {
					startPos[ field ] = getValue(getScalar(startPos[ field ]) + distance);
					endPos[ field ]   = '-=' + distance + 'px';
				}
			}

			// Workaround for http://bugs.jquery.com/ticket/12273
			if (effect === 'none') {
				F._afterZoomIn();

			} else {
				F.wrap.css(startPos).animate(endPos, {
					duration : current.nextSpeed,
					easing   : current.nextEasing,
					complete : F._afterZoomIn
				});
			}
		},

		changeOut: function () {
			var previous  = F.previous,
				effect    = previous.prevEffect,
				endPos    = { opacity : 0.1 },
				direction = F.direction,
				distance  = 200;

			if (effect === 'elastic') {
				endPos[ direction === 'down' || direction === 'up' ? 'top' : 'left' ] = ( direction === 'up' || direction === 'left' ? '-' : '+' ) + '=' + distance + 'px';
			}

			previous.wrap.animate(endPos, {
				duration : effect === 'none' ? 0 : previous.prevSpeed,
				easing   : previous.prevEasing,
				complete : function () {
					$(this).trigger('onReset').remove();
				}
			});
		}
	};

	/*
	 *	Overlay helper
	 */

	F.helpers.overlay = {
		defaults : {
			closeClick : true,      // if true, fancyBox will be closed when user clicks on the overlay
			speedOut   : 200,       // duration of fadeOut animation
			showEarly  : true,      // indicates if should be opened immediately or wait until the content is ready
			css        : {},        // custom CSS properties
			locked     : !isTouch,  // if true, the content will be locked into overlay
			fixed      : true       // if false, the overlay CSS position property will not be set to "fixed"
		},

		overlay : null,      // current handle
		fixed   : false,     // indicates if the overlay has position "fixed"
		el      : $('html'), // element that contains "the lock"

		// Public methods
		create : function(opts) {
			var parent;

			opts = $.extend({}, this.defaults, opts);

			if (this.overlay) {
				this.close();
			}

			parent = F.coming ? F.coming.parent : opts.parent;

			this.overlay = $('<div class="fancybox-overlay"></div>').appendTo( parent && parent.length ? parent : 'body' );
			this.fixed   = false;

			if (opts.fixed && F.defaults.fixed) {
				this.overlay.addClass('fancybox-overlay-fixed');

				this.fixed = true;
			}
		},

		open : function(opts) {
			var that = this;

			opts = $.extend({}, this.defaults, opts);

			if (this.overlay) {
				this.overlay.unbind('.overlay').width('auto').height('auto');

			} else {
				this.create(opts);
			}

			if (!this.fixed) {
				W.bind('resize.overlay', $.proxy( this.update, this) );

				this.update();
			}

			if (opts.closeClick) {
				this.overlay.bind('click.overlay', function(e) {
					if ($(e.target).hasClass('fancybox-overlay')) {
						if (F.isActive) {
							F.close();
						} else {
							that.close();
						}

						return false;
					}
				});
			}

			this.overlay.css( opts.css ).show();
		},

		close : function() {
			W.unbind('resize.overlay');

			if (this.el.hasClass('fancybox-lock')) {
				$('.fancybox-margin').removeClass('fancybox-margin');

				this.el.removeClass('fancybox-lock');

				W.scrollTop( this.scrollV ).scrollLeft( this.scrollH );
			}

			$('.fancybox-overlay').remove().hide();

			$.extend(this, {
				overlay : null,
				fixed   : false
			});
		},

		// Private, callbacks

		update : function () {
			var width = '100%', offsetWidth;

			// Reset width/height so it will not mess
			this.overlay.width(width).height('100%');

			// jQuery does not return reliable result for IE
			if (IE) {
				offsetWidth = Math.max(document.documentElement.offsetWidth, document.body.offsetWidth);

				if (D.width() > offsetWidth) {
					width = D.width();
				}

			} else if (D.width() > W.width()) {
				width = D.width();
			}

			this.overlay.width(width).height(D.height());
		},

		// This is where we can manipulate DOM, because later it would cause iframes to reload
		onReady : function (opts, obj) {
			var overlay = this.overlay;

			$('.fancybox-overlay').stop(true, true);

			if (!overlay) {
				this.create(opts);
			}

			if (opts.locked && this.fixed && obj.fixed) {
				obj.locked = this.overlay.append( obj.wrap );
				obj.fixed  = false;
			}

			if (opts.showEarly === true) {
				this.beforeShow.apply(this, arguments);
			}
		},

		beforeShow : function(opts, obj) {
			if (obj.locked && !this.el.hasClass('fancybox-lock')) {
				if (this.fixPosition !== false) {
					$('*').filter(function(){
						return ($(this).css('position') === 'fixed' && !$(this).hasClass("fancybox-overlay") && !$(this).hasClass("fancybox-wrap") );
					}).addClass('fancybox-margin');
				}

				this.el.addClass('fancybox-margin');

				this.scrollV = W.scrollTop();
				this.scrollH = W.scrollLeft();

				this.el.addClass('fancybox-lock');

				W.scrollTop( this.scrollV ).scrollLeft( this.scrollH );
			}

			this.open(opts);
		},

		onUpdate : function() {
			if (!this.fixed) {
				this.update();
			}
		},

		afterClose: function (opts) {
			// Remove overlay if exists and fancyBox is not opening
			// (e.g., it is not being open using afterClose callback)
			if (this.overlay && !F.coming) {
				this.overlay.fadeOut(opts.speedOut, $.proxy( this.close, this ));
			}
		}
	};

	/*
	 *	Title helper
	 */

	F.helpers.title = {
		defaults : {
			type     : 'float', // 'float', 'inside', 'outside' or 'over',
			position : 'bottom' // 'top' or 'bottom'
		},

		beforeShow: function (opts) {
			var current = F.current,
				text    = current.title,
				type    = opts.type,
				title,
				target;

			if ($.isFunction(text)) {
				text = text.call(current.element, current);
			}

			if (!isString(text) || $.trim(text) === '') {
				return;
			}

			title = $('<div class="fancybox-title fancybox-title-' + type + '-wrap">' + text + '</div>');

			switch (type) {
				case 'inside':
					target = F.skin;
				break;

				case 'outside':
					target = F.wrap;
				break;

				case 'over':
					target = F.inner;
				break;

				default: // 'float'
					target = F.skin;

					title.appendTo('body');

					if (IE) {
						title.width( title.width() );
					}

					title.wrapInner('<span class="child"></span>');

					//Increase bottom margin so this title will also fit into viewport
					F.current.margin[2] += Math.abs( getScalar(title.css('margin-bottom')) );
				break;
			}

			title[ (opts.position === 'top' ? 'prependTo'  : 'appendTo') ](target);
		}
	};

	// jQuery plugin initialization
	$.fn.fancybox = function (options) {
		var index,
			that     = $(this),
			selector = this.selector || '',
			run      = function(e) {
				var what = $(this).blur(), idx = index, relType, relVal;

				if (!(e.ctrlKey || e.altKey || e.shiftKey || e.metaKey) && !what.is('.fancybox-wrap')) {
					relType = options.groupAttr || 'data-fancybox-group';
					relVal  = what.attr(relType);

					if (!relVal) {
						relType = 'rel';
						relVal  = what.get(0)[ relType ];
					}

					if (relVal && relVal !== '' && relVal !== 'nofollow') {
						what = selector.length ? $(selector) : that;
						what = what.filter('[' + relType + '="' + relVal + '"]');
						idx  = what.index(this);
					}

					options.index = idx;

					// Stop an event from bubbling if everything is fine
					if (F.open(what, options) !== false) {
						e.preventDefault();
					}
				}
			};

		options = options || {};
		index   = options.index || 0;

		if (!selector || options.live === false) {
			that.unbind('click.fb-start').bind('click.fb-start', run);

		} else {
			D.undelegate(selector, 'click.fb-start').delegate(selector + ":not('.fancybox-item, .fancybox-nav')", 'click.fb-start', run);
		}

		this.filter('[data-fancybox-start=1]').trigger('click');

		return this;
	};

	// Tests that need a body at doc ready
	D.ready(function() {
		var w1, w2;

		if ( $.scrollbarWidth === undefined ) {
			// http://benalman.com/projects/jquery-misc-plugins/#scrollbarwidth
			$.scrollbarWidth = function() {
				var parent = $('<div style="width:50px;height:50px;overflow:auto"><div/></div>').appendTo('body'),
					child  = parent.children(),
					width  = child.innerWidth() - child.height( 99 ).innerWidth();

				parent.remove();

				return width;
			};
		}

		if ( $.support.fixedPosition === undefined ) {
			$.support.fixedPosition = (function() {
				var elem  = $('<div style="position:fixed;top:20px;"></div>').appendTo('body'),
					fixed = ( elem[0].offsetTop === 20 || elem[0].offsetTop === 15 );

				elem.remove();

				return fixed;
			}());
		}

		$.extend(F.defaults, {
			scrollbarWidth : $.scrollbarWidth(),
			fixed  : $.support.fixedPosition,
			parent : $('body')
		});

		//Get real width of page scroll-bar
		w1 = $(window).width();

		H.addClass('fancybox-lock-test');

		w2 = $(window).width();

		H.removeClass('fancybox-lock-test');

		$("<style type='text/css'>.fancybox-margin{margin-right:" + (w2 - w1) + "px;}</style>").appendTo("head");
	});

}(window, document, jQuery));

/*!
 * jquery.sumoselect - v3.0.3
 * http://hemantnegi.github.io/jquery.sumoselect
 * 2016-12-12
 *
 * Copyright 2015 Hemant Negi
 * Email : hemant.frnz@gmail.com
 * Compressor http://refresh-sf.com/
 */

(function(factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory);
    } else if (typeof exports !== 'undefined') {
        module.exports = factory(require('jquery'));
    } else {
        factory(jQuery);
    }

})(function ($) {

    'namespace sumo';
    $.fn.SumoSelect = function (options) {

        // This is the easiest way to have default options.
        var settings = $.extend({
            placeholder: 'Select Here',   // Dont change it here.
            csvDispCount: 3,              // display no. of items in multiselect. 0 to display all.
            captionFormat:'{0} Selected', // format of caption text. you can set your locale.
            captionFormatAllSelected:'{0} all selected!', // format of caption text when all elements are selected. set null to use captionFormat. It will not work if there are disabled elements in select.
            floatWidth: 400,              // Screen width of device at which the list is rendered in floating popup fashion.
            forceCustomRendering: false,  // force the custom modal on all devices below floatWidth resolution.
            nativeOnDevice: ['Android', 'BlackBerry', 'iPhone', 'iPad', 'iPod', 'Opera Mini', 'IEMobile', 'Silk'], //
            outputAsCSV: false,           // true to POST data as csv ( false for Html control array ie. default select )
            csvSepChar: ',',              // separation char in csv mode
            okCancelInMulti: false,       // display ok cancel buttons in desktop mode multiselect also.
            isClickAwayOk: false,         // for okCancelInMulti=true. sets whether click outside will trigger Ok or Cancel (default is cancel).
            triggerChangeCombined: true,  // im multi select mode whether to trigger change event on individual selection or combined selection.
            selectAll: false,             // to display select all button in multiselect mode.|| also select all will not be available on mobile devices.

            search: false,                // to display input for filtering content. selectAlltext will be input text placeholder
            searchText: 'Search...',      // placeholder for search input
            noMatch: 'No matches for "{0}"',
            prefix: '',                   // some prefix usually the field name. eg. '<b>Hello</b>'
            locale: ['OK', 'Cancel', 'Select All'],  // all text that is used. don't change the index.
            up: false,                    // set true to open upside.
            showTitle: true               // set to false to prevent title (tooltip) from appearing
        }, options);

        var ret = this.each(function () {
            var selObj = this; // the original select object.
            if (this.sumo || !$(this).is('select')) return; //already initialized

            this.sumo = {
                E: $(selObj),   //the jquery object of original select element.
                is_multi: $(selObj).attr('multiple'),  //if its a multiple select
                select: '',
                caption: '',
                placeholder: '',
                optDiv: '',
                CaptionCont: '',
                ul:'',
                is_floating: false,
                is_opened: false,
                //backdrop: '',
                mob:false, // if to open device default select
                Pstate: [],

                createElems: function () {
                    var O = this;
                    O.E.wrap('<div class="SumoSelect" tabindex="0" role="button" aria-expanded="false">');
                    O.select = O.E.parent();
                    O.caption = $('<span>');
                    O.CaptionCont = $('<p class="CaptionCont SelectBox" ><label><i></i></label></p>')
                        .attr('style', O.E.attr('style'))
                        .prepend(O.caption);
                    O.select.append(O.CaptionCont);

                    // default turn off if no multiselect
                    if(!O.is_multi)settings.okCancelInMulti = false

                    if(O.E.attr('disabled'))
                        O.select.addClass('disabled').removeAttr('tabindex');

                    //if output as csv and is a multiselect.
                    if (settings.outputAsCSV && O.is_multi && O.E.attr('name')) {
                        //create a hidden field to store csv value.
                        O.select.append($('<input class="HEMANT123" type="hidden" />').attr('name', O.E.attr('name')).val(O.getSelStr()));

                        // so it can not post the original select.
                        O.E.removeAttr('name');
                    }

                    //break for mobile rendring.. if forceCustomRendering is false
                    if (O.isMobile() && !settings.forceCustomRendering) {
                        O.setNativeMobile();
                        return;
                    }

                    // if there is a name attr in select add a class to container div
                    if(O.E.attr('name')) O.select.addClass('sumo_'+O.E.attr('name').replace(/\[\]/, ''))

                    //hide original select
                    O.E.addClass('SumoUnder').attr('tabindex','-1');

                    //## Creating the list...
                    O.optDiv = $('<div class="optWrapper '+ (settings.up?'up':'') +'">');

                    //branch for floating list in low res devices.
                    O.floatingList();

                    //Creating the markup for the available options
                    O.ul = $('<ul class="options">');
                    O.optDiv.append(O.ul);

                    // Select all functionality
                    if(settings.selectAll && O.is_multi) O.SelAll();

                    // search functionality
                    if(settings.search) O.Search();

                    O.ul.append(O.prepItems(O.E.children()));

                    //if multiple then add the class multiple and add OK / CANCEL button
                    if (O.is_multi) O.multiSelelect();

                    O.select.append(O.optDiv);
                    O.basicEvents();
                    O.selAllState();
                },

                prepItems: function(opts, d){
                    var lis = [], O=this;
                    $(opts).each(function (i, opt) {       // parsing options to li
                        opt = $(opt);
                        lis.push(opt.is('optgroup')?
                            $('<li class="group '+ (opt[0].disabled?'disabled':'') +'"><label>' + opt.attr('label') +'</label><ul></ul></li>')
                            .find('ul')
                            .append(O.prepItems(opt.children(), opt[0].disabled))
                            .end()
                            :
                            O.createLi(opt, d)
                        );
                    });
                    return lis;
                },

                //## Creates a LI element from a given option and binds events to it
                //## returns the jquery instance of li (not inserted in dom)
                createLi: function (opt, d) {
                    var O = this;

                    if(!opt.attr('value'))opt.attr('value',opt.val());
                    var li = $('<li class="opt"><label>' + opt.text() + '</label></li>');

                    li.data('opt', opt);    // store a direct reference to option.
                    opt.data('li', li);    // store a direct reference to list item.
                    if (O.is_multi) li.prepend('<span><i></i></span>');

                    if (opt[0].disabled || d)
                        li = li.addClass('disabled');

                    O.onOptClick(li);

                    if (opt[0].selected)
                        li.addClass('selected');

                    if (opt.attr('class'))
                        li.addClass(opt.attr('class'));

                    if (opt.attr('title'))
                        li.attr('title', opt.attr('title'));

                    return li;
                },

                //## Returns the selected items as string in a Multiselect.
                getSelStr: function () {
                    // get the pre selected items.
                    sopt = [];
                    this.E.find('option:selected').each(function () { sopt.push($(this).val()); });
                    return sopt.join(settings.csvSepChar);
                },

                //## THOSE OK/CANCEL BUTTONS ON MULTIPLE SELECT.
                multiSelelect: function () {
                    var O = this;
                    O.optDiv.addClass('multiple');
                    O.okbtn = $('<p tabindex="0" class="btnOk">'+settings.locale[0]+'</p>').click(function () {
                        //if combined change event is set.
                        O._okbtn();
                        O.hideOpts();
                    });
                    O.cancelBtn = $('<p tabindex="0" class="btnCancel">'+settings.locale[1]+'</p>').click(function () {
                        O._cnbtn();
                        O.hideOpts();
                    });
                    var btns = O.okbtn.add(O.cancelBtn);
                    O.optDiv.append($('<div class="MultiControls">').append(btns));

                    // handling keyboard navigation on ok cancel buttons.
                    btns.on('keydown.sumo', function (e) {
                            var el = $(this);
                            switch (e.which) {
                                case 32: // space
                                case 13: // enter
                                    el.trigger('click');
                                    break;

                                case 9:  //tab
                                    if(el.hasClass('btnOk'))return;
                                case 27: // esc
                                    O._cnbtn();
                                    O.hideOpts();
                                    return;
                            }
                            e.stopPropagation();
                            e.preventDefault();
                        });
                },

                _okbtn:function(){
                    var O = this, cg = 0;
                    //if combined change event is set.
                    if (settings.triggerChangeCombined) {
                        //check for a change in the selection.
                        if (O.E.find('option:selected').length != O.Pstate.length) {
                            cg = 1;
                        }
                        else {
                            O.E.find('option').each(function (i,e) {
                                if(e.selected && O.Pstate.indexOf(i) < 0) cg = 1;
                            });
                        }

                        if (cg) {
                            O.callChange();
                            O.setText();
                        }
                    }
                },
                _cnbtn:function(){
                    var O = this;
                    //remove all selections
                    O.E.find('option:selected').each(function () { this.selected = false; });
                    O.optDiv.find('li.selected').removeClass('selected')

                    //restore selections from saved state.
                    for(var i = 0; i < O.Pstate.length; i++) {
                        O.E.find('option')[O.Pstate[i]].selected = true;
                        O.ul.find('li.opt').eq(O.Pstate[i]).addClass('selected');
                    }
                    O.selAllState();
                },

                SelAll:function(){
                    var O = this;
                    if(!O.is_multi)return;
                    O.selAll = $('<p class="select-all"><span><i></i></span><label>' + settings.locale[2] + '</label></p>');
                    O.optDiv.addClass('selall');
                    O.selAll.on('click',function(){
                        O.selAll.toggleClass('selected');
                        O.toggSelAll(O.selAll.hasClass('selected'), 1);
                        //O.selAllState();
                    });

                    O.optDiv.prepend(O.selAll);
                },

                // search module (can be removed if not required.)
                Search: function(){
                    var O = this,
                        cc = O.CaptionCont.addClass('search'),
                        P = $('<p class="no-match">');

                    O.ftxt = $('<input type="text" class="search-txt" value="" placeholder="' + settings.searchText + '">')
                        .on('click', function(e){
                            e.stopPropagation();
                        });
                    cc.append(O.ftxt);
                    O.optDiv.children('ul').after(P);

                    O.ftxt.on('keyup.sumo',function(){
                        var hid = O.optDiv.find('ul.options li.opt').each(function(ix,e){
                            var e = $(e),
                                opt = e.data('opt')[0];
                            opt.hidden = e.text().toLowerCase().indexOf(O.ftxt.val().toLowerCase()) < 0;
                            e.toggleClass('hidden', opt.hidden);
                        }).not('.hidden');

                        P.html(settings.noMatch.replace(/\{0\}/g, '<em></em>')).toggle(!hid.length);
                        P.find('em').text(O.ftxt.val());
                        O.selAllState();
                    });
                },

                selAllState: function () {
                    var O = this;
                    if (settings.selectAll && O.is_multi) {
                        var sc = 0, vc = 0;
                        O.optDiv.find('li.opt').not('.hidden').each(function (ix, e) {
                            if ($(e).hasClass('selected')) sc++;
                            if (!$(e).hasClass('disabled')) vc++;
                        });
                        //select all checkbox state change.
                        if (sc == vc) O.selAll.removeClass('partial').addClass('selected');
                        else if (sc == 0) O.selAll.removeClass('selected partial');
                        else O.selAll.addClass('partial')//.removeClass('selected');
                    }
                },

                showOpts: function () {
                    var O = this;
                    if (O.E.attr('disabled')) return; // if select is disabled then retrun
                    O.E.trigger('sumo:opening', O);
                    O.is_opened = true;
                    O.select.addClass('open').attr('aria-expanded', 'true');
                    O.E.trigger('sumo:opened', O);

                    if(O.ftxt)O.ftxt.focus();
                    else O.select.focus();

                    // hide options on click outside.
                    $(document).on('click.sumo', function (e) {
                        if (!O.select.is(e.target)                  // if the target of the click isn't the container...
                            && O.select.has(e.target).length === 0){ // ... nor a descendant of the container
                            if(!O.is_opened)return;
                            O.hideOpts();
                            if (settings.okCancelInMulti){
                              if(settings.isClickAwayOk)
                                O._okbtn();
                              else
                                O._cnbtn();
                            }
                        }
                    });

                    if (O.is_floating) {
                        H = O.optDiv.children('ul').outerHeight() + 2;  // +2 is clear fix
                        if (O.is_multi) H = H + parseInt(O.optDiv.css('padding-bottom'));
                        O.optDiv.css('height', H);
                        $('body').addClass('sumoStopScroll');
                    }

                    O.setPstate();
                },

                //maintain state when ok/cancel buttons are available storing the indexes.
                setPstate: function(){
                    var O = this;
                    if (O.is_multi && (O.is_floating || settings.okCancelInMulti)){
                        O.Pstate = [];
                        // assuming that find returns elements in tree order
                        O.E.find('option').each(function (i, e){if(e.selected) O.Pstate.push(i);});
                    }
                },

                callChange:function(){
                    this.E.trigger('change').trigger('click');
                },

                hideOpts: function () {
                    var O = this;
                    if(O.is_opened){
                        O.E.trigger('sumo:closing', O);
                        O.is_opened = false;
                        O.select.removeClass('open').attr('aria-expanded', 'true').find('ul li.sel').removeClass('sel');
                        O.E.trigger('sumo:closed', O);
                        $(document).off('click.sumo');
                        O.select.focus();
                        $('body').removeClass('sumoStopScroll');

                        // clear the search
                        if(settings.search){
                            O.ftxt.val('');
                            O.ftxt.trigger('keyup.sumo');
                        }
                    }
                },
                setOnOpen: function () {
                    var O = this,
                        li = O.optDiv.find('li.opt:not(.hidden)').eq(settings.search?0:O.E[0].selectedIndex);
                    if(li.hasClass('disabled')){
                        li = li.next(':not(disabled)')
                        if(!li.length) return;
                     }
                    O.optDiv.find('li.sel').removeClass('sel');
                    li.addClass('sel');
                    O.showOpts();
                },
                nav: function (up) {
                    var O = this, c,
                    s=O.ul.find('li.opt:not(.disabled, .hidden)'),
                    sel = O.ul.find('li.opt.sel:not(.hidden)'),
                    idx = s.index(sel);
                    if (O.is_opened && sel.length) {

                        if (up && idx > 0)
                            c = s.eq(idx-1);
                        else if(!up && idx < s.length-1 && idx > -1)
                            c = s.eq(idx+1);
                        else return; // if no items before or after

                        sel.removeClass('sel');
                        sel = c.addClass('sel');

                        // setting sel item to visible view.
                        var ul = O.ul,
                            st = ul.scrollTop(),
                            t = sel.position().top + st;
                        if(t >= st + ul.height()-sel.outerHeight())
                            ul.scrollTop(t - ul.height() + sel.outerHeight());
                        if(t<st)
                            ul.scrollTop(t);

                    }
                    else
                        O.setOnOpen();
                },

                basicEvents: function () {
                    var O = this;
                    O.CaptionCont.click(function (evt) {
                        O.E.trigger('click');
                        if (O.is_opened) O.hideOpts(); else O.showOpts();
                        evt.stopPropagation();
                    });

                    O.select.on('keydown.sumo', function (e) {
                        switch (e.which) {
                            case 38: // up
                                O.nav(true);
                                break;

                            case 40: // down
                                O.nav(false);
                                break;

                            case 65: // shortcut ctrl + a to select all and ctrl + shift + a to unselect all.
                                if (O.is_multi && e.ctrlKey){
                                    O.toggSelAll(!e.shiftKey, 1);
                                    break;
                                }
                                else
                                    return;

                            case 32: // space
                                if(settings.search && O.ftxt.is(e.target))return;
                            case 13: // enter
                                if (O.is_opened)
                                    O.optDiv.find('ul li.sel').trigger('click');
                                else
                                    O.setOnOpen();
                                break;
                            case 9:	 //tab
                                if(!settings.okCancelInMulti)
                                    O.hideOpts();
                                return;
                            case 27: // esc
                                if(settings.okCancelInMulti)O._cnbtn();
                                O.hideOpts();
                                return;

                            default:
                                return; // exit this handler for other keys
                        }
                        e.preventDefault(); // prevent the default action (scroll / move caret)
                    });

                    $(window).on('resize.sumo', function () {
                        O.floatingList();
                    });
                },

                onOptClick: function (li) {
                    var O = this;
                    li.click(function () {
                        var li = $(this);
                        if(li.hasClass('disabled'))return;
                        var txt = "";
                        if (O.is_multi) {
                            li.toggleClass('selected');
                            li.data('opt')[0].selected = li.hasClass('selected');
                            O.selAllState();
                        }
                        else {
                            li.parent().find('li.selected').removeClass('selected'); //if not multiselect then remove all selections from this list
                            li.toggleClass('selected');
                            li.data('opt')[0].selected = true;
                        }

                        //branch for combined change event.
                        if (!(O.is_multi && settings.triggerChangeCombined && (O.is_floating || settings.okCancelInMulti))) {
                            O.setText();
                            O.callChange();
                        }

                        if (!O.is_multi) O.hideOpts(); //if its not a multiselect then hide on single select.
                    });
                },

                setText: function () {
                    var O = this;
                    O.placeholder = "";
                    if (O.is_multi) {
                        sels = O.E.find(':selected').not(':disabled'); //selected options.

                        for (i = 0; i < sels.length; i++) {
                            if (i + 1 >= settings.csvDispCount && settings.csvDispCount) {
                                if (sels.length == O.E.find('option').length && settings.captionFormatAllSelected) {
                                    O.placeholder = settings.captionFormatAllSelected.replace(/\{0\}/g, sels.length)+',';
                                } else {
                                    O.placeholder = settings.captionFormat.replace(/\{0\}/g, sels.length)+',';
                                }

                                break;
                            }
                            else O.placeholder += $(sels[i]).text() + ", ";
                        }
                        O.placeholder = O.placeholder.replace(/,([^,]*)$/, '$1'); //remove unexpected "," from last.
                    }
                    else {
                        O.placeholder = O.E.find(':selected').not(':disabled').text();
                    }

                    var is_placeholder = false;

                    if (!O.placeholder) {

                        is_placeholder = true;

                        O.placeholder = O.E.attr('placeholder');
                        if (!O.placeholder)                  //if placeholder is there then set it
                            O.placeholder = O.E.find('option:disabled:selected').text();
                    }

                    O.placeholder = O.placeholder ? (settings.prefix + ' ' + O.placeholder) : settings.placeholder

                    //set display text
                    O.caption.html(O.placeholder);
                    if (settings.showTitle) O.CaptionCont.attr('title', O.placeholder);

                    //set the hidden field if post as csv is true.
                    var csvField = O.select.find('input.HEMANT123');
                    if (csvField.length) csvField.val(O.getSelStr());

                    //add class placeholder if its a placeholder text.
                    if (is_placeholder) O.caption.addClass('placeholder'); else O.caption.removeClass('placeholder');
                    return O.placeholder;
                },

                isMobile: function () {

                    // Adapted from http://www.detectmobilebrowsers.com
                    var ua = navigator.userAgent || navigator.vendor || window.opera;

                    // Checks for iOs, Android, Blackberry, Opera Mini, and Windows mobile devices
                    for (var i = 0; i < settings.nativeOnDevice.length; i++) if (ua.toString().toLowerCase().indexOf(settings.nativeOnDevice[i].toLowerCase()) > 0) return settings.nativeOnDevice[i];
                    return false;
                },

                setNativeMobile: function () {
                    var O = this;
                    O.E.addClass('SelectClass')//.css('height', O.select.outerHeight());
                    O.mob = true;
                    O.E.change(function () {
                        O.setText();
                    });
                },

                floatingList: function () {
                    var O = this;
                    //called on init and also on resize.
                    //O.is_floating = true if window width is < specified float width
                    O.is_floating = $(window).width() <= settings.floatWidth;

                    //set class isFloating
                    O.optDiv.toggleClass('isFloating', O.is_floating);

                    //remove height if not floating
                    if (!O.is_floating) O.optDiv.css('height', '');

                    //toggle class according to okCancelInMulti flag only when it is not floating
                    O.optDiv.toggleClass('okCancelInMulti', settings.okCancelInMulti && !O.is_floating);
                },

                //HELPERS FOR OUTSIDERS
                // validates range of given item operations
                vRange: function (i) {
                    var O = this;
                    var opts = O.E.find('option');
                    if (opts.length <= i || i < 0) throw "index out of bounds"
                    return O;
                },

                //toggles selection on c as boolean.
                toggSel: function (c, i) {
                    var O = this;
                    var opt;
                    if (typeof(i) === "number"){
                        O.vRange(i);
                        opt = O.E.find('option')[i];
                    }
                    else{
                        opt = O.E.find('option[value="'+i+'"]')[0]||0;
                    }
                    if (!opt || opt.disabled)
                        return;

                    if(opt.selected != c){
                        opt.selected = c;
                        if(!O.mob) $(opt).data('li').toggleClass('selected',c);

                        O.callChange();
                        O.setPstate();
                        O.setText();
                        O.selAllState();
                    }
                },

                //toggles disabled on c as boolean.
                toggDis: function (c, i) {
                    var O = this.vRange(i);
                    O.E.find('option')[i].disabled = c;
                    if(c)O.E.find('option')[i].selected = false;
                    if(!O.mob)O.optDiv.find('ul.options li').eq(i).toggleClass('disabled', c).removeClass('selected');
                    O.setText();
                },

                // toggle disable/enable on complete select control
                toggSumo: function(val) {
                    var O = this;
                    O.enabled = val;
                    O.select.toggleClass('disabled', val);

                    if (val) {
                        O.E.attr('disabled', 'disabled');
                        O.select.removeAttr('tabindex');
                    }
                    else{
                        O.E.removeAttr('disabled');
                        O.select.attr('tabindex','0');
                    }

                    return O;
                },

                // toggles all option on c as boolean.
                // set direct=false/0 bypasses okCancelInMulti behaviour.
                toggSelAll: function (c, direct) {
                    var O = this;
                    O.E.find('option:not(:disabled,:hidden)')
                    .each(function(ix,e){
                        var is_selected=e.selected,
                            e = $(e).data('li');
                        if(e.hasClass('hidden'))return;
                        if(!!c){
                            if(!is_selected)e.trigger('click');
                        }
                        else{
                            if(is_selected)e.trigger('click');
                        }
                    });

                    if(!direct){
                        if(!O.mob && O.selAll)O.selAll.removeClass('partial').toggleClass('selected',!!c);
                        O.callChange();
                        O.setText();
                        O.setPstate();
                    }
                },

                /* outside accessibility options
                 which can be accessed from the element instance.
                 */
                reload:function(){
                    var elm = this.unload();
                    return $(elm).SumoSelect(settings);
                },

                unload: function () {
                    var O = this;
                    O.select.before(O.E);
                    O.E.show();

                    if (settings.outputAsCSV && O.is_multi && O.select.find('input.HEMANT123').length) {
                        O.E.attr('name', O.select.find('input.HEMANT123').attr('name')); // restore the name;
                    }
                    O.select.remove();
                    delete selObj.sumo;
                    return selObj;
                },

                //## add a new option to select at a given index.
                add: function (val, txt, i) {
                    if (typeof val == "undefined") throw "No value to add"

                    var O = this;
                    opts=O.E.find('option')
                    if (typeof txt == "number") { i = txt; txt = val; }
                    if (typeof txt == "undefined") { txt = val; }

                    opt = $("<option></option>").val(val).html(txt);

                    if (opts.length < i) throw "index out of bounds"

                    if (typeof i == "undefined" || opts.length == i) { // add it to the last if given index is last no or no index provides.
                        O.E.append(opt);
                        if(!O.mob)O.ul.append(O.createLi(opt));
                    }
                    else {
                        opts.eq(i).before(opt);
                        if(!O.mob)O.ul.find('li.opt').eq(i).before(O.createLi(opt));
                    }

                    return selObj;
                },

                //## removes an item at a given index.
                remove: function (i) {
                    var O = this.vRange(i);
                    O.E.find('option').eq(i).remove();
                    if(!O.mob)O.optDiv.find('ul.options li').eq(i).remove();
                    O.setText();
                },

                //## Select an item at a given index.
                selectItem: function (i) { this.toggSel(true, i); },

                //## UnSelect an iten at a given index.
                unSelectItem: function (i) { this.toggSel(false, i); },

                //## Select all items  of the select.
                selectAll: function () { this.toggSelAll(true); },

                //## UnSelect all items of the select.
                unSelectAll: function () { this.toggSelAll(false); },

                //## Disable an iten at a given index.
                disableItem: function (i) { this.toggDis(true, i) },

                //## Removes disabled an iten at a given index.
                enableItem: function (i) { this.toggDis(false, i) },

                //## New simple methods as getter and setter are not working fine in ie8-
                //## variable to check state of control if enabled or disabled.
                enabled : true,
                //## Enables the control
                enable: function(){return this.toggSumo(false)},

                //## Disables the control
                disable: function(){return this.toggSumo(true)},


                init: function () {
                    var O = this;
                    O.createElems();
                    O.setText();
                    return O
                }

            };

            selObj.sumo.init();
        });

        return ret.length == 1 ? ret[0] : ret;
    };


});
//# sourceMappingURL=libs.js.map

// //=require ../../libraries/bootstrap-3.3.7/js/jquery-3.1.1.js
// //=require ../../libraries/bootstrap-3.3.7/js/affix.js
// //=require ../../libraries/bootstrap-3.3.7/js/alert.js
// //=require ../../libraries/bootstrap-3.3.7/js/button.js
// //=require ../../libraries/bootstrap-3.3.7/js/carousel.js
// //=require ../../libraries/bootstrap-3.3.7/js/collapse.js
// //=require ../../libraries/bootstrap-3.3.7/js/dropdown.js
// //=require ../../libraries/bootstrap-3.3.7/js/tooltip.js
// //=require ../../libraries/bootstrap-3.3.7/js/modal.js
// //=require ../../libraries/bootstrap-3.3.7/js/popover.js
// //=require ../../libraries/bootstrap-3.3.7/js/scrollspy.js
// //=require ../../libraries/bootstrap-3.3.7/js/tab.js
// //=require ../../libraries/bootstrap-3.3.7/js/transition.js
//# sourceMappingURL=bootstrap.js.map

// Remember: 
// Every file in scripts/ acts as an entry-point and gets tranformed to build/. Feel free to create as much as you want.
// Files in subdirectories will be ignored but you can require them in entry-point-files.
// Add an _ to a file and it will just be ignored(good for tests).
// Add your entry-point-files to templates/layout/yourlayout.html


// //=require jquery.sumoselect.js



$(document).ready(function () {

	

	var lang = {

		de: {

			'PLEASE_CHOOSE': 'Bitte wählen',

			'CHOOSE': 'auswählen',

			'CHOOSE_ALL': 'Alle auswählen',

			'CHOOSED': 'ausgewählt',

			'ALL': 'Alle',

			'SEARCH': 'Suche',

			'NO_RESULTS_FOR': 'Keine Ergebnisse für ',

			'OK': 'OK',

			'CANCEL': 'Abbrechen'

		}, 

		en: {

			'PLEASE_CHOOSE': 'Please choose',

			'CHOOSE': 'choose',

			'CHOOSE_ALL': 'Choose all',

			'CHOOSED': 'choosed',

			'ALL': 'All',

			'SEARCH': 'Search',

			'NO_RESULTS_FOR': 'No results for ',

			'OK': 'OK',

			'CANCEL': 'Cancel'

		}

	}

	

	lang = lang[ $('html').attr('lang') || 'de' ];

	

	$('select.form-control, select.sumo-select').each( function(){

		var $this = $(this);

		

		$this.SumoSelect({

			placeholder: $this.attr('placeholder') || lang['PLEASE_CHOOSE'],

			floatWidth: 0,

			forceCustomRendering: false,

			nativeOnDevice: ['Android', 'BlackBerry', 'iPhone', 'iPad', 'iPod', 'Opera Mini', 'IEMobile', 'Silk'],

			captionFormat: '{0} ' + lang['CHOOSED'],

			captionFormatAllSelected: $this.attr('data-choose-all') || lang['CHOOSE_ALL'],

			// selectAll: false,

			selectAll: $this.attr('data-select-all') || true,

			// okCancelInMulti: true,

			search: $this.attr('data-search') || false,

			searchText: lang['SEARCH'],

			noMatch: lang['NO_RESULTS_FOR'] + ' "{0}"',

			locale: [

				lang['OK'], 

				lang['CANCEL'], 

				$this.attr('data-choose-all') || lang['CHOOSE_ALL']

			],

			triggerChangeCombined: true

		});

	});

	

	/*

	

	$('select.form-control, select.sumo-select').SumoSelect();

	

	*/

});





$(document).ready(function(){





	$("select.select--submit-onchange, .js__select-submit-onchange").on("change", function(){

		//jumpMenu( 'parent',this,0);

		//$(".filter form").submit();



		$(this).parents("form").submit();

	});



});





function jumpMenu(targ,selObj,restore) {

	window.location='http://'+window.location.hostname+'/'+selObj.options[selObj.selectedIndex].value;

	if (restore) selObj.selectedIndex = 0;

}
/*
$(document).ready(function () {
    
    var $img = $('main img');
    
    $img.each(function () {
        var $this = $(this);
        function fakeImgLazyLoading(fracs, previousFracs) {
            var $this = $(this);
            if(fakeImgLazyLoading.initial === true) return (function () {
                if(fracs.visible <= 0) $this.addClass('fakeImgLazyLoading');
                fakeImgLazyLoading.initial = false;
            }).call(this);
            if(fracs.visible > 0 && $this.hasClass('fakeImgLazyLoading')) {
                $this.addClass('fakeImgLazyLoading-fadeIn');
            }
        };
        
        fakeImgLazyLoading.initial = true;
     
        $this.fracs(fakeImgLazyLoading);
        $this.fracs('check');
    });
     
});
*/

$(document).ready(function(){


	$(".media-group.top").isotope(
		{
			itemSelector: '.media',
			layoutMode: 'fitRows'
		}
	);
	
	$(".media-group.above").isotope(
		{
			itemSelector: '.media',
			layoutMode: 'fitRows'
		}
	);
	
	$(".media-group.bottom").isotope(
		{
			itemSelector: '.media',
			layoutMode: 'fitRows'
		}
	);

	
	
	$(".textrow table").each(
		function() {
			$(this).wrap( '<div class="tableWrapOuter"><div class="tableWrapInner"></div></div>' );
		}
	);
	
	
	
});
$(document).ready(function(){


	$(".gallery").isotope(
		{
			itemSelector: '.gallery-item',
			layoutMode: 'fitRows'
		}
	);



	$(".folder").isotope(
		{
			itemSelector: '.folder-item',
			layoutMode: 'fitRows'
		}
	);


});
$(document).ready(function(){

	$(".team").isotope(
		{
			itemSelector: '.team-item',
			layoutMode: 'fitRows'
		}
	);

	$('.team-item').on('click', function (event) {  
		
		if (event.target.tagName.toLowerCase() === 'a') return;
		
		var $this = $(this);
		
		if ( $this.find('.contactInfo').length > 0 ) {
		
			var height = $this.height();
			$this.find('.contactInfo').css('padding-top', height + 'px')
			
			if ($this.hasClass('team-item-open')) {
				$this.removeClass('team-item-open');
				$this.attr('aria-pressed', 'false');
				$this.find('.contactInfo').attr('aria-hidden','true');
			
			} else {
			
				$this.addClass('team-item-open');
				$this.attr('aria-pressed', 'true');
				$this.find('.contactInfo').attr('aria-hidden','false');
				$('.team-item').not($this).removeClass('team-item-open');
				$('.team-item').not($this).attr('aria-pressed', 'false');
				$('.team-item').not($this).find('.contactInfo').attr('aria-hidden','true');
			
			}
		
		}
		
	});

	$(window).on('resize', function () {
		$('.team-item').removeClass('team-item-open');
	});

});
$(document).ready(function () {

	$('.accordion').each(function () {
		var $accordeon = $(this);
		if ($accordeon.hasClass("firstopened")) {
			$accordeon.find('> .item').eq(0).addClass("open");
		}
	});
	
	$('.btnAccordion').each(function () {
		var $button = $(this);
		var $item = $(this).parent('.item');
		var $carousel = $item.find('.carousel');
		$button.on('click', function () {
			$item.toggleClass('open');
			if ($carousel.length > 0) {
				setTimeout(function () {
					$carousel.slick('setPosition');
				}, 1);
			}
		});
	});

	/*
	$(".accordion").each(function(){
		
		//
		//var accLayoutType = 'fitRows';
		var accContainer = this;
		var accStayOpened = true;
		if ( $(this).hasClass("firstopened") ) var accFirstOpened = true;
		
		
		//
		$('.btnAccordion',accContainer).click(function() {
			
			if ( $(accContainer).hasClass("stayopened") ) {
				accStayOpened = true;
			}
			if ( $(this).parent().hasClass('open') ) {
				$(this).parent().removeClass('open');
				
			} else {
				if ( accStayOpened == false ) {
					$('.btnAccordion',accContainer).parent().removeClass('open');
				}
				$(this).parent().addClass('open');
			}
			
		});
		
		
		//
		if ( accFirstOpened === true ) {
			
			$(".item",accContainer).eq(0).addClass("open");
		
		}
		
		
	});
	*/


});
$(document).ready(function(){
	
	var $carousel = $('.carousel');
	var $carousel_SlidesToShow = 3;
	var $carousel_SlidesToShow_Tablet = 2;
	var $carousel_SlidesToShow_Mobile = 1;
	
	$('.carousel').each(function(){
		
		if ( $(this).hasClass("carousel--five-items") ) {
			$carousel_SlidesToShow = 5;
			$carousel_SlidesToShow_Tablet = 3;
			$carousel_SlidesToShow_Mobile = 2;
		}
		
		$(this).slick({
			prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
			nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
			slidesToShow : $carousel_SlidesToShow,
			slidesToScroll: $carousel_SlidesToShow,
			arrows : true,
			dots: true,
			slide : '.media',
			adaptiveHeight: false,
			fade: false,
			speed: 500,
			autoplay : false,
			autoplaySpeed : 5000,
			responsive : [
				{
					breakpoint: 992,
					settings: { 
						slidesToShow: $carousel_SlidesToShow_Tablet,
						slidesToScroll: $carousel_SlidesToShow_Tablet,
						arrows : true
					}
				},
				{ 
					breakpoint: 640,
					settings: { 
						slidesToShow: $carousel_SlidesToShow_Mobile,
						slidesToScroll: $carousel_SlidesToShow_Mobile,
						arrows : false
					}
				},
				{ 
					breakpoint: 480,
					settings: { 
						slidesToShow: 1,
						slidesToScroll: 1,
						arrows : false
					}
				}
			]
		});
		
		$carousel_SlidesToShow = 3;
		$carousel_SlidesToShow_Tablet = 2;
		$carousel_SlidesToShow_Mobile = 1;
		
	});
	
});
$(document).ready(function(){

	var $slideshow = $('.slideshow');

	$slideshow.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 1,
		slidesToScroll: 1,
		arrows : true,
		dots: true,
		slide : '.media',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000
		
	});
	
});
$(document).ready(function(){

	var $teaserLslider = $('.portalteaser--slider');

	$teaserLslider.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 1,
		slidesToScroll: 1,
		arrows : false,
		dots: true,
		slide : '.themeteaser',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000,
		mobileFirst : true,
		responsive : [
			{
				breakpoint: 480,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 1
				}
			}, {
				breakpoint: 640,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 1
				}
			}, {
				breakpoint: 980,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 1
				}
			}
		]
	});
	
	
	
	var $teaserMslider = $('.teaser--slider');

	$teaserMslider.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 1,
		slidesToScroll: 1,
		arrows : false,
		dots: true,
		slide : '.themeteaser--small',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000,
		mobileFirst : true,
		responsive : [
			{
				breakpoint: 480,
				settings : {
					slidesToShow : 1,
					slidesToScroll: 1
				}
			}, {
				breakpoint: 640,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 1
				}
			}, {
				breakpoint: 980,
				settings : {
					slidesToShow : 3,
					slidesToScroll: 1
				}
			}
		]
	});
	
	
	var $teaserLatestSlider = $('.teaser--sameheight');

	$teaserLatestSlider.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 1,
		slidesToScroll: 1,
		arrows : false,
		dots: true,
		slide : '.smallteaser',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000,
		mobileFirst : true,
		responsive : [
			{
				breakpoint: 480,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 2
				}
			}, {
				breakpoint: 640,
				settings : {
					slidesToShow : 2,
					slidesToScroll: 2
				}
			}, {
				breakpoint: 980,
				settings: "unslick"
			}
		]
	});
	
	
	
});
$(document).ready(function(){
	
	
	
	var $publications = $('.publications--slider');

	$publications.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 2,
		slidesToScroll: 1,
		arrows : true,
		dots: true,
		slide : '.list-item',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000,
		responsive : [
			{
				breakpoint: 640,
				settings: {
					slidesToShow: 1
				}
			}
		]
	});
	
	
	
	var $publicationTeaser = $('.publication-teaser--slider');

	$publicationTeaser.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 1,
		slidesToScroll: 1,
		arrows : true,
		dots: true,
		slide : '.publication-teaser',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000
	});
	
	
	
});
$(document).ready(function () {
	
	
	$('.nav-tabs a').on('click', function(e){
		e.preventDefault();
		
		$('.tab-panel').removeClass('tab-panel--active');
		$('.nav-tabs li').removeClass('active');
		
		$( $(this).attr('href') ).addClass('tab-panel--active');
		$(this).parent().addClass('active');
		
		
		teaserHeightSameHeight();
		
	});
	
	
	/*
	
	var $slideshow = $('.tab-panel .teaser');

	$slideshow.slick({
		prevArrow: '<button type="button" class="slick-prev"><span class="sr-only">Vorheriges</span></button>',
		nextArrow: '<button type="button" class="slick-next"><span class="sr-only">Nächstes</span></button>',
		slidesToShow : 2,
		slidesToScroll: 1,
		arrows : false,
		dots: true,
		slide : 'div',
		adaptiveHeight: true,
		fade: false,
		speed: 500,
		autoplay : false,
		autoplaySpeed : 5000
	});
	
	*/
	
	
	
	// TO-DO : resize  ...
	
	function teaserHeightSameHeight(  ) { // container
		
		var $eqHeightTeaser = $('.tab-panel--active .teaser--sameheight'); //$('.teaser--sameheight'); //container;
		
		/*
		if ( $eqHeightTeaser.is(':visible') ) {
		
		$eqHeightTeaser.imagesLoaded( function(){
		*/
		
			// console.log( "____ NEW! ____"  );
		
			$eqHeightTeaser.each(function () {
				
				var $thisTeaserContainer = $(this);
				var $thisTeaserHeight = 0;
				
				$('> .box',$thisTeaserContainer).each(function(index){
					
					if( $(this).height() > $thisTeaserHeight ) {
						$thisTeaserHeight = $(this).height();
					}
					
					// console.log( index + ": " + $("img",this).height() + " _ "  + $(this).height() + " > " + $thisTeaserHeight );
					
				});
				
				// console.log( "LAST: " + $thisTeaserHeight );
				
				$('> .box', $thisTeaserContainer ).height( $thisTeaserHeight );
				$thisTeaserHeight = 0;
			
			});
		/*
		});
		
		}
		*/
		
	}
	
	teaserHeightSameHeight();
	
	$(window).on('resize', teaserHeightSameHeight );
	
	
	
	// Resp
	/*
	$(".teaser--sameheight .slick-track").each(
		
		var $thisTeaserContainer = $(this);
		var $thisTeaserHeight = 0;
		
		$('> .box',$thisTeaserContainer).each(function(index){
			
			if( $(this).height() > $thisTeaserHeight ) {
				$thisTeaserHeight = $(this).height();
			}
		});
		
		$('> .box', $thisTeaserContainer ).height( $thisTeaserHeight );
		$thisTeaserHeight = 0;
		
	);
	*/

});
$(document).ready(function(){

	
	$("a.lightbox").attr('rel','image-in-lightbox');
	$(".slideshow a.lightbox").attr('rel','slide-in-lightbox');
	$(".carousel a.lightbox").attr('rel','carousel-in-lightbox');
	
	
	// initialize fancybox
	$("a.lightbox").fancybox({
		margin: 0,
		padding: 80,
		autoSize: true,
		fitToView: true,
		fixed: false,	
		openEffect: 'fade',
		closeEffect: 'fade',
		nextEffect: 'fade',
		prevEffect: 'fade',
		openSpeed: 250,
		closeSpeed: 250,
		nextSpeed: 250,
		prevSpeed: 250,
		arrows: true,
		closeBtn: false,
		loop: true,
		wrapCSS: 'gal-fancy',
		helpers: 
		{
			title: {
				type: 'inside' 
			},
			buttons: {
				position: 'bottom'
			}
		},
		beforeLoad: function(){
		
			var obj = $(this.element);
			var caption = obj.attr('data-caption');
			var credits = obj.attr('data-credits');
			var download = obj.attr('data-download');
			
			if ( obj.parent().hasClass("media") ) {
				if ( !caption ) caption = obj.parent().next().html();
				if ( !credits ) credits = obj.next().html();
			} else { 
				if ( !caption ) caption = obj.parent().find(".caption").html();
				if ( !credits ) credits = obj.parent().find(".credits").html();
			}
			
			var text = '';
			text += '<div class="text">';
			if(credits) text += '<p class="credits">' + credits + '</p>';
			
			if(download) text += '<a href="' + download + '" title="Download starten" class="download" target="_blank">Download</a>';
			
			if(caption) text += '<p class="caption">' + caption + '</p>';
			
			text += '</div>';

			this.title = (caption || credits || download) ? text : "";
			
		},
		beforeShow: function(){
			// Disable right click
			$.fancybox.inner.bind("contextmenu", function(e){ return false; });
		}
		
	});
});
/*!
 * jQuery Validation Plugin v1.16.1-pre
 *
 * http://jqueryvalidation.org/
 *
 * Copyright (c) 2017 Jörn Zaefferer
 * Released under the MIT license
 */
(function( factory ) {
	if ( typeof define === "function" && define.amd ) {
		define( ["jquery"], factory );
	} else if (typeof module === "object" && module.exports) {
		module.exports = factory( require( "jquery" ) );
	} else {
		factory( jQuery );
	}
}(function( $ ) {

$.extend( $.fn, {

	// http://jqueryvalidation.org/validate/
	validate: function( options ) {

		// If nothing is selected, return nothing; can't chain anyway
		if ( !this.length ) {
			if ( options && options.debug && window.console ) {
				console.warn( "Nothing selected, can't validate, returning nothing." );
			}
			return;
		}

		// Check if a validator for this form was already created
		var validator = $.data( this[ 0 ], "validator" );
		if ( validator ) {
			return validator;
		}

		// Add novalidate tag if HTML5.
		this.attr( "novalidate", "novalidate" );

		validator = new $.validator( options, this[ 0 ] );
		$.data( this[ 0 ], "validator", validator );

		if ( validator.settings.onsubmit ) {

			this.on( "click.validate", ":submit", function( event ) {
				if ( validator.settings.submitHandler ) {
					validator.submitButton = event.currentTarget;
				}

				// Allow suppressing validation by adding a cancel class to the submit button
				if ( $( this ).hasClass( "cancel" ) ) {
					validator.cancelSubmit = true;
				}

				// Allow suppressing validation by adding the html5 formnovalidate attribute to the submit button
				if ( $( this ).attr( "formnovalidate" ) !== undefined ) {
					validator.cancelSubmit = true;
				}
			} );

			// Validate the form on submit
			this.on( "submit.validate", function( event ) {
				if ( validator.settings.debug ) {

					// Prevent form submit to be able to see console output
					event.preventDefault();
				}
				function handle() {
					var hidden, result;
					if ( validator.settings.submitHandler ) {
						if ( validator.submitButton ) {

							// Insert a hidden input as a replacement for the missing submit button
							hidden = $( "<input type='hidden'/>" )
								.attr( "name", validator.submitButton.name )
								.val( $( validator.submitButton ).val() )
								.appendTo( validator.currentForm );
						}
						result = validator.settings.submitHandler.call( validator, validator.currentForm, event );
						if ( validator.submitButton ) {

							// And clean up afterwards; thanks to no-block-scope, hidden can be referenced
							hidden.remove();
						}
						if ( result !== undefined ) {
							return result;
						}
						return false;
					}
					return true;
				}

				// Prevent submit for invalid forms or custom submit handlers
				if ( validator.cancelSubmit ) {
					validator.cancelSubmit = false;
					return handle();
				}
				if ( validator.form() ) {
					if ( validator.pendingRequest ) {
						validator.formSubmitted = true;
						return false;
					}
					return handle();
				} else {
					validator.focusInvalid();
					return false;
				}
			} );
		}

		return validator;
	},

	// http://jqueryvalidation.org/valid/
	valid: function() {
		var valid, validator, errorList;

		if ( $( this[ 0 ] ).is( "form" ) ) {
			valid = this.validate().form();
		} else {
			errorList = [];
			valid = true;
			validator = $( this[ 0 ].form ).validate();
			this.each( function() {
				valid = validator.element( this ) && valid;
				if ( !valid ) {
					errorList = errorList.concat( validator.errorList );
				}
			} );
			validator.errorList = errorList;
		}
		return valid;
	},

	// http://jqueryvalidation.org/rules/
	rules: function( command, argument ) {
		var element = this[ 0 ],
			settings, staticRules, existingRules, data, param, filtered;

		// If nothing is selected, return empty object; can't chain anyway
		if ( element == null ) {
			return;
		}

		if ( !element.form && element.hasAttribute( "contenteditable" ) ) {
			element.form = this.closest( "form" )[ 0 ];
			element.name = this.attr( "name" );
		}

		if ( element.form == null ) {
			return;
		}

		if ( command ) {
			settings = $.data( element.form, "validator" ).settings;
			staticRules = settings.rules;
			existingRules = $.validator.staticRules( element );
			switch ( command ) {
			case "add":
				$.extend( existingRules, $.validator.normalizeRule( argument ) );

				// Remove messages from rules, but allow them to be set separately
				delete existingRules.messages;
				staticRules[ element.name ] = existingRules;
				if ( argument.messages ) {
					settings.messages[ element.name ] = $.extend( settings.messages[ element.name ], argument.messages );
				}
				break;
			case "remove":
				if ( !argument ) {
					delete staticRules[ element.name ];
					return existingRules;
				}
				filtered = {};
				$.each( argument.split( /\s/ ), function( index, method ) {
					filtered[ method ] = existingRules[ method ];
					delete existingRules[ method ];
					if ( method === "required" ) {
						$( element ).removeAttr( "aria-required" );
					}
				} );
				return filtered;
			}
		}

		data = $.validator.normalizeRules(
		$.extend(
			{},
			$.validator.classRules( element ),
			$.validator.attributeRules( element ),
			$.validator.dataRules( element ),
			$.validator.staticRules( element )
		), element );

		// Make sure required is at front
		if ( data.required ) {
			param = data.required;
			delete data.required;
			data = $.extend( { required: param }, data );
			$( element ).attr( "aria-required", "true" );
		}

		// Make sure remote is at back
		if ( data.remote ) {
			param = data.remote;
			delete data.remote;
			data = $.extend( data, { remote: param } );
		}

		return data;
	}
} );

// Custom selectors
$.extend( $.expr.pseudos || $.expr[ ":" ], {		// '|| $.expr[ ":" ]' here enables backwards compatibility to jQuery 1.7. Can be removed when dropping jQ 1.7.x support

	// http://jqueryvalidation.org/blank-selector/
	blank: function( a ) {
		return !$.trim( "" + $( a ).val() );
	},

	// http://jqueryvalidation.org/filled-selector/
	filled: function( a ) {
		var val = $( a ).val();
		return val !== null && !!$.trim( "" + val );
	},

	// http://jqueryvalidation.org/unchecked-selector/
	unchecked: function( a ) {
		return !$( a ).prop( "checked" );
	}
} );

// Constructor for validator
$.validator = function( options, form ) {
	this.settings = $.extend( true, {}, $.validator.defaults, options );
	this.currentForm = form;
	this.init();
};

// http://jqueryvalidation.org/jQuery.validator.format/
$.validator.format = function( source, params ) {
	if ( arguments.length === 1 ) {
		return function() {
			var args = $.makeArray( arguments );
			args.unshift( source );
			return $.validator.format.apply( this, args );
		};
	}
	if ( params === undefined ) {
		return source;
	}
	if ( arguments.length > 2 && params.constructor !== Array  ) {
		params = $.makeArray( arguments ).slice( 1 );
	}
	if ( params.constructor !== Array ) {
		params = [ params ];
	}
	$.each( params, function( i, n ) {
		source = source.replace( new RegExp( "\\{" + i + "\\}", "g" ), function() {
			return n;
		} );
	} );
	return source;
};

$.extend( $.validator, {

	defaults: {
		messages: {},
		groups: {},
		rules: {},
		errorClass: "error",
		pendingClass: "pending",
		validClass: "valid",
		errorElement: "label",
		focusCleanup: false,
		focusInvalid: true,
		errorContainer: $( [] ),
		errorLabelContainer: $( [] ),
		onsubmit: true,
		ignore: ":hidden",
		ignoreTitle: false,
		onfocusin: function( element ) {
			this.lastActive = element;

			// Hide error label and remove error class on focus if enabled
			if ( this.settings.focusCleanup ) {
				if ( this.settings.unhighlight ) {
					this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
				}
				this.hideThese( this.errorsFor( element ) );
			}
		},
		onfocusout: function( element ) {
			if ( !this.checkable( element ) && ( element.name in this.submitted || !this.optional( element ) ) ) {
				this.element( element );
			}
		},
		onkeyup: function( element, event ) {

			// Avoid revalidate the field when pressing one of the following keys
			// Shift       => 16
			// Ctrl        => 17
			// Alt         => 18
			// Caps lock   => 20
			// End         => 35
			// Home        => 36
			// Left arrow  => 37
			// Up arrow    => 38
			// Right arrow => 39
			// Down arrow  => 40
			// Insert      => 45
			// Num lock    => 144
			// AltGr key   => 225
			var excludedKeys = [
				16, 17, 18, 20, 35, 36, 37,
				38, 39, 40, 45, 144, 225
			];

			if ( event.which === 9 && this.elementValue( element ) === "" || $.inArray( event.keyCode, excludedKeys ) !== -1 ) {
				return;
			} else if ( element.name in this.submitted || element.name in this.invalid ) {
				this.element( element );
			}
		},
		onclick: function( element ) {

			// Click on selects, radiobuttons and checkboxes
			if ( element.name in this.submitted ) {
				this.element( element );

			// Or option elements, check parent select in that case
			} else if ( element.parentNode.name in this.submitted ) {
				this.element( element.parentNode );
			}
		},
		highlight: function( element, errorClass, validClass ) {
			if ( element.type === "radio" ) {
				this.findByName( element.name ).addClass( errorClass ).removeClass( validClass );
			} else {
				$( element ).addClass( errorClass ).removeClass( validClass );
			}
		},
		unhighlight: function( element, errorClass, validClass ) {
			if ( element.type === "radio" ) {
				this.findByName( element.name ).removeClass( errorClass ).addClass( validClass );
			} else {
				$( element ).removeClass( errorClass ).addClass( validClass );
			}
		}
	},

	// http://jqueryvalidation.org/jQuery.validator.setDefaults/
	setDefaults: function( settings ) {
		$.extend( $.validator.defaults, settings );
	},

	messages: {
		required: "This field is required.",
		remote: "Please fix this field.",
		email: "Please enter a valid email address.",
		url: "Please enter a valid URL.",
		date: "Please enter a valid date.",
		dateISO: "Please enter a valid date (ISO).",
		number: "Please enter a valid number.",
		digits: "Please enter only digits.",
		equalTo: "Please enter the same value again.",
		maxlength: $.validator.format( "Please enter no more than {0} characters." ),
		minlength: $.validator.format( "Please enter at least {0} characters." ),
		rangelength: $.validator.format( "Please enter a value between {0} and {1} characters long." ),
		range: $.validator.format( "Please enter a value between {0} and {1}." ),
		max: $.validator.format( "Please enter a value less than or equal to {0}." ),
		min: $.validator.format( "Please enter a value greater than or equal to {0}." ),
		step: $.validator.format( "Please enter a multiple of {0}." )
	},

	autoCreateRanges: false,

	prototype: {

		init: function() {
			this.labelContainer = $( this.settings.errorLabelContainer );
			this.errorContext = this.labelContainer.length && this.labelContainer || $( this.currentForm );
			this.containers = $( this.settings.errorContainer ).add( this.settings.errorLabelContainer );
			this.submitted = {};
			this.valueCache = {};
			this.pendingRequest = 0;
			this.pending = {};
			this.invalid = {};
			this.reset();

			var groups = ( this.groups = {} ),
				rules;
			$.each( this.settings.groups, function( key, value ) {
				if ( typeof value === "string" ) {
					value = value.split( /\s/ );
				}
				$.each( value, function( index, name ) {
					groups[ name ] = key;
				} );
			} );
			rules = this.settings.rules;
			$.each( rules, function( key, value ) {
				rules[ key ] = $.validator.normalizeRule( value );
			} );

			function delegate( event ) {

				// Set form expando on contenteditable
				if ( !this.form && this.hasAttribute( "contenteditable" ) ) {
					this.form = $( this ).closest( "form" )[ 0 ];
					this.name = $( this ).attr( "name" );
				}

				var validator = $.data( this.form, "validator" ),
					eventType = "on" + event.type.replace( /^validate/, "" ),
					settings = validator.settings;
				if ( settings[ eventType ] && !$( this ).is( settings.ignore ) ) {
					settings[ eventType ].call( validator, this, event );
				}
			}

			$( this.currentForm )
				.on( "focusin.validate focusout.validate keyup.validate",
					":text, [type='password'], [type='file'], select, textarea, [type='number'], [type='search'], " +
					"[type='tel'], [type='url'], [type='email'], [type='datetime'], [type='date'], [type='month'], " +
					"[type='week'], [type='time'], [type='datetime-local'], [type='range'], [type='color'], " +
					"[type='radio'], [type='checkbox'], [contenteditable], [type='button']", delegate )

				// Support: Chrome, oldIE
				// "select" is provided as event.target when clicking a option
				.on( "click.validate", "select, option, [type='radio'], [type='checkbox']", delegate );

			if ( this.settings.invalidHandler ) {
				$( this.currentForm ).on( "invalid-form.validate", this.settings.invalidHandler );
			}

			// Add aria-required to any Static/Data/Class required fields before first validation
			// Screen readers require this attribute to be present before the initial submission http://www.w3.org/TR/WCAG-TECHS/ARIA2.html
			$( this.currentForm ).find( "[required], [data-rule-required], .required" ).attr( "aria-required", "true" );
		},

		// http://jqueryvalidation.org/Validator.form/
		form: function() {
			this.checkForm();
			$.extend( this.submitted, this.errorMap );
			this.invalid = $.extend( {}, this.errorMap );
			if ( !this.valid() ) {
				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
			}
			this.showErrors();
			return this.valid();
		},

		checkForm: function() {
			this.prepareForm();
			for ( var i = 0, elements = ( this.currentElements = this.elements() ); elements[ i ]; i++ ) {
				this.check( elements[ i ] );
			}
			return this.valid();
		},

		// http://jqueryvalidation.org/Validator.element/
		element: function( element ) {
			var cleanElement = this.clean( element ),
				checkElement = this.validationTargetFor( cleanElement ),
				v = this,
				result = true,
				rs, group;

			if ( checkElement === undefined ) {
				delete this.invalid[ cleanElement.name ];
			} else {
				this.prepareElement( checkElement );
				this.currentElements = $( checkElement );

				// If this element is grouped, then validate all group elements already
				// containing a value
				group = this.groups[ checkElement.name ];
				if ( group ) {
					$.each( this.groups, function( name, testgroup ) {
						if ( testgroup === group && name !== checkElement.name ) {
							cleanElement = v.validationTargetFor( v.clean( v.findByName( name ) ) );
							if ( cleanElement && cleanElement.name in v.invalid ) {
								v.currentElements.push( cleanElement );
								result = v.check( cleanElement ) && result;
							}
						}
					} );
				}

				rs = this.check( checkElement ) !== false;
				result = result && rs;
				if ( rs ) {
					this.invalid[ checkElement.name ] = false;
				} else {
					this.invalid[ checkElement.name ] = true;
				}

				if ( !this.numberOfInvalids() ) {

					// Hide error containers on last error
					this.toHide = this.toHide.add( this.containers );
				}
				this.showErrors();

				// Add aria-invalid status for screen readers
				$( element ).attr( "aria-invalid", !rs );
			}

			return result;
		},

		// http://jqueryvalidation.org/Validator.showErrors/
		showErrors: function( errors ) {
			if ( errors ) {
				var validator = this;

				// Add items to error list and map
				$.extend( this.errorMap, errors );
				this.errorList = $.map( this.errorMap, function( message, name ) {
					return {
						message: message,
						element: validator.findByName( name )[ 0 ]
					};
				} );

				// Remove items from success list
				this.successList = $.grep( this.successList, function( element ) {
					return !( element.name in errors );
				} );
			}
			if ( this.settings.showErrors ) {
				this.settings.showErrors.call( this, this.errorMap, this.errorList );
			} else {
				this.defaultShowErrors();
			}
		},

		// http://jqueryvalidation.org/Validator.resetForm/
		resetForm: function() {
			if ( $.fn.resetForm ) {
				$( this.currentForm ).resetForm();
			}
			this.invalid = {};
			this.submitted = {};
			this.prepareForm();
			this.hideErrors();
			var elements = this.elements()
				.removeData( "previousValue" )
				.removeAttr( "aria-invalid" );

			this.resetElements( elements );
		},

		resetElements: function( elements ) {
			var i;

			if ( this.settings.unhighlight ) {
				for ( i = 0; elements[ i ]; i++ ) {
					this.settings.unhighlight.call( this, elements[ i ],
						this.settings.errorClass, "" );
					this.findByName( elements[ i ].name ).removeClass( this.settings.validClass );
				}
			} else {
				elements
					.removeClass( this.settings.errorClass )
					.removeClass( this.settings.validClass );
			}
		},

		numberOfInvalids: function() {
			return this.objectLength( this.invalid );
		},

		objectLength: function( obj ) {
			/* jshint unused: false */
			var count = 0,
				i;
			for ( i in obj ) {

				// This check allows counting elements with empty error
				// message as invalid elements
				if ( obj[ i ] !== undefined && obj[ i ] !== null && obj[ i ] !== false ) {
					count++;
				}
			}
			return count;
		},

		hideErrors: function() {
			this.hideThese( this.toHide );
		},

		hideThese: function( errors ) {
			errors.not( this.containers ).text( "" );
			this.addWrapper( errors ).hide();
		},

		valid: function() {
			return this.size() === 0;
		},

		size: function() {
			return this.errorList.length;
		},

		focusInvalid: function() {
			if ( this.settings.focusInvalid ) {
				try {
					$( this.findLastActive() || this.errorList.length && this.errorList[ 0 ].element || [] )
					.filter( ":visible" )
					.focus()

					// Manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
					.trigger( "focusin" );
				} catch ( e ) {

					// Ignore IE throwing errors when focusing hidden elements
				}
			}
		},

		findLastActive: function() {
			var lastActive = this.lastActive;
			return lastActive && $.grep( this.errorList, function( n ) {
				return n.element.name === lastActive.name;
			} ).length === 1 && lastActive;
		},

		elements: function() {
			var validator = this,
				rulesCache = {};

			// Select all valid inputs inside the form (no submit or reset buttons)
			return $( this.currentForm )
			.find( "input, select, textarea, [contenteditable]" )
			.not( ":submit, :reset, :image, :disabled" )
			.not( this.settings.ignore )
			.filter( function() {
				var name = this.name || $( this ).attr( "name" ); // For contenteditable
				if ( !name && validator.settings.debug && window.console ) {
					console.error( "%o has no name assigned", this );
				}

				// Set form expando on contenteditable
				if ( this.hasAttribute( "contenteditable" ) ) {
					this.form = $( this ).closest( "form" )[ 0 ];
					this.name = name;
				}

				// Select only the first element for each name, and only those with rules specified
				if ( name in rulesCache || !validator.objectLength( $( this ).rules() ) ) {
					return false;
				}

				rulesCache[ name ] = true;
				return true;
			} );
		},

		clean: function( selector ) {
			return $( selector )[ 0 ];
		},

		errors: function() {
			var errorClass = this.settings.errorClass.split( " " ).join( "." );
			return $( this.settings.errorElement + "." + errorClass, this.errorContext );
		},

		resetInternals: function() {
			this.successList = [];
			this.errorList = [];
			this.errorMap = {};
			this.toShow = $( [] );
			this.toHide = $( [] );
		},

		reset: function() {
			this.resetInternals();
			this.currentElements = $( [] );
		},

		prepareForm: function() {
			this.reset();
			this.toHide = this.errors().add( this.containers );
		},

		prepareElement: function( element ) {
			this.reset();
			this.toHide = this.errorsFor( element );
		},

		elementValue: function( element ) {
			var $element = $( element ),
				type = element.type,
				val, idx;

			if ( type === "radio" || type === "checkbox" ) {
				return this.findByName( element.name ).filter( ":checked" ).val();
			} else if ( type === "number" && typeof element.validity !== "undefined" ) {
				return element.validity.badInput ? "NaN" : $element.val();
			}

			if ( element.hasAttribute( "contenteditable" ) ) {
				val = $element.text();
			} else {
				val = $element.val();
			}

			if ( type === "file" ) {

				// Modern browser (chrome & safari)
				if ( val.substr( 0, 12 ) === "C:\\fakepath\\" ) {
					return val.substr( 12 );
				}

				// Legacy browsers
				// Unix-based path
				idx = val.lastIndexOf( "/" );
				if ( idx >= 0 ) {
					return val.substr( idx + 1 );
				}

				// Windows-based path
				idx = val.lastIndexOf( "\\" );
				if ( idx >= 0 ) {
					return val.substr( idx + 1 );
				}

				// Just the file name
				return val;
			}

			if ( typeof val === "string" ) {
				return val.replace( /\r/g, "" );
			}
			return val;
		},

		check: function( element ) {
			element = this.validationTargetFor( this.clean( element ) );

			var rules = $( element ).rules(),
				rulesCount = $.map( rules, function( n, i ) {
					return i;
				} ).length,
				dependencyMismatch = false,
				val = this.elementValue( element ),
				result, method, rule, normalizer;

			// Prioritize the local normalizer defined for this element over the global one
			// if the former exists, otherwise user the global one in case it exists.
			if ( typeof rules.normalizer === "function" ) {
				normalizer = rules.normalizer;
			} else if (	typeof this.settings.normalizer === "function" ) {
				normalizer = this.settings.normalizer;
			}

			// If normalizer is defined, then call it to retreive the changed value instead
			// of using the real one.
			// Note that `this` in the normalizer is `element`.
			if ( normalizer ) {
				val = normalizer.call( element, val );

				if ( typeof val !== "string" ) {
					throw new TypeError( "The normalizer should return a string value." );
				}

				// Delete the normalizer from rules to avoid treating it as a pre-defined method.
				delete rules.normalizer;
			}

			for ( method in rules ) {
				rule = { method: method, parameters: rules[ method ] };
				try {
					result = $.validator.methods[ method ].call( this, val, element, rule.parameters );

					// If a method indicates that the field is optional and therefore valid,
					// don't mark it as valid when there are no other rules
					if ( result === "dependency-mismatch" && rulesCount === 1 ) {
						dependencyMismatch = true;
						continue;
					}
					dependencyMismatch = false;

					if ( result === "pending" ) {
						this.toHide = this.toHide.not( this.errorsFor( element ) );
						return;
					}

					if ( !result ) {
						this.formatAndAdd( element, rule );
						return false;
					}
				} catch ( e ) {
					if ( this.settings.debug && window.console ) {
						console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );
					}
					if ( e instanceof TypeError ) {
						e.message += ".  Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.";
					}

					throw e;
				}
			}
			if ( dependencyMismatch ) {
				return;
			}
			if ( this.objectLength( rules ) ) {
				this.successList.push( element );
			}
			return true;
		},

		// Return the custom message for the given element and validation method
		// specified in the element's HTML5 data attribute
		// return the generic message if present and no method specific message is present
		customDataMessage: function( element, method ) {
			return $( element ).data( "msg" + method.charAt( 0 ).toUpperCase() +
				method.substring( 1 ).toLowerCase() ) || $( element ).data( "msg" );
		},

		// Return the custom message for the given element name and validation method
		customMessage: function( name, method ) {
			var m = this.settings.messages[ name ];
			return m && ( m.constructor === String ? m : m[ method ] );
		},

		// Return the first defined argument, allowing empty strings
		findDefined: function() {
			for ( var i = 0; i < arguments.length; i++ ) {
				if ( arguments[ i ] !== undefined ) {
					return arguments[ i ];
				}
			}
			return undefined;
		},

		// The second parameter 'rule' used to be a string, and extended to an object literal
		// of the following form:
		// rule = {
		//     method: "method name",
		//     parameters: "the given method parameters"
		// }
		//
		// The old behavior still supported, kept to maintain backward compatibility with
		// old code, and will be removed in the next major release.
		defaultMessage: function( element, rule ) {
			if ( typeof rule === "string" ) {
				rule = { method: rule };
			}

			var message = this.findDefined(
					this.customMessage( element.name, rule.method ),
					this.customDataMessage( element, rule.method ),

					// 'title' is never undefined, so handle empty string as undefined
					!this.settings.ignoreTitle && element.title || undefined,
					$.validator.messages[ rule.method ],
					"<strong>Warning: No message defined for " + element.name + "</strong>"
				),
				theregex = /\$?\{(\d+)\}/g;
			if ( typeof message === "function" ) {
				message = message.call( this, rule.parameters, element );
			} else if ( theregex.test( message ) ) {
				message = $.validator.format( message.replace( theregex, "{$1}" ), rule.parameters );
			}

			return message;
		},

		formatAndAdd: function( element, rule ) {
			var message = this.defaultMessage( element, rule );

			this.errorList.push( {
				message: message,
				element: element,
				method: rule.method
			} );

			this.errorMap[ element.name ] = message;
			this.submitted[ element.name ] = message;
		},

		addWrapper: function( toToggle ) {
			if ( this.settings.wrapper ) {
				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
			}
			return toToggle;
		},

		defaultShowErrors: function() {
			var i, elements, error;
			for ( i = 0; this.errorList[ i ]; i++ ) {
				error = this.errorList[ i ];
				if ( this.settings.highlight ) {
					this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
				}
				this.showLabel( error.element, error.message );
			}
			if ( this.errorList.length ) {
				this.toShow = this.toShow.add( this.containers );
			}
			if ( this.settings.success ) {
				for ( i = 0; this.successList[ i ]; i++ ) {
					this.showLabel( this.successList[ i ] );
				}
			}
			if ( this.settings.unhighlight ) {
				for ( i = 0, elements = this.validElements(); elements[ i ]; i++ ) {
					this.settings.unhighlight.call( this, elements[ i ], this.settings.errorClass, this.settings.validClass );
				}
			}
			this.toHide = this.toHide.not( this.toShow );
			this.hideErrors();
			this.addWrapper( this.toShow ).show();
		},

		validElements: function() {
			return this.currentElements.not( this.invalidElements() );
		},

		invalidElements: function() {
			return $( this.errorList ).map( function() {
				return this.element;
			} );
		},

		showLabel: function( element, message ) {
			var place, group, errorID, v,
				error = this.errorsFor( element ),
				elementID = this.idOrName( element ),
				describedBy = $( element ).attr( "aria-describedby" );

			if ( error.length ) {

				// Refresh error/success class
				error.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );

				// Replace message on existing label
				error.html( message );
			} else {

				// Create error element
				error = $( "<" + this.settings.errorElement + ">" )
					.attr( "id", elementID + "-error" )
					.addClass( this.settings.errorClass )
					.html( message || "" );

				// Maintain reference to the element to be placed into the DOM
				place = error;
				if ( this.settings.wrapper ) {

					// Make sure the element is visible, even in IE
					// actually showing the wrapped element is handled elsewhere
					place = error.hide().show().wrap( "<" + this.settings.wrapper + "/>" ).parent();
				}
				if ( this.labelContainer.length ) {
					this.labelContainer.append( place );
				} else if ( this.settings.errorPlacement ) {
					this.settings.errorPlacement.call( this, place, $( element ) );
				} else {
					place.insertAfter( element );
				}

				// Link error back to the element
				if ( error.is( "label" ) ) {

					// If the error is a label, then associate using 'for'
					error.attr( "for", elementID );

					// If the element is not a child of an associated label, then it's necessary
					// to explicitly apply aria-describedby
				} else if ( error.parents( "label[for='" + this.escapeCssMeta( elementID ) + "']" ).length === 0 ) {
					errorID = error.attr( "id" );

					// Respect existing non-error aria-describedby
					if ( !describedBy ) {
						describedBy = errorID;
					} else if ( !describedBy.match( new RegExp( "\\b" + this.escapeCssMeta( errorID ) + "\\b" ) ) ) {

						// Add to end of list if not already present
						describedBy += " " + errorID;
					}
					$( element ).attr( "aria-describedby", describedBy );

					// If this element is grouped, then assign to all elements in the same group
					group = this.groups[ element.name ];
					if ( group ) {
						v = this;
						$.each( v.groups, function( name, testgroup ) {
							if ( testgroup === group ) {
								$( "[name='" + v.escapeCssMeta( name ) + "']", v.currentForm )
									.attr( "aria-describedby", error.attr( "id" ) );
							}
						} );
					}
				}
			}
			if ( !message && this.settings.success ) {
				error.text( "" );
				if ( typeof this.settings.success === "string" ) {
					error.addClass( this.settings.success );
				} else {
					this.settings.success( error, element );
				}
			}
			this.toShow = this.toShow.add( error );
		},

		errorsFor: function( element ) {
			var name = this.escapeCssMeta( this.idOrName( element ) ),
				describer = $( element ).attr( "aria-describedby" ),
				selector = "label[for='" + name + "'], label[for='" + name + "'] *";

			// 'aria-describedby' should directly reference the error element
			if ( describer ) {
				selector = selector + ", #" + this.escapeCssMeta( describer )
					.replace( /\s+/g, ", #" );
			}

			return this
				.errors()
				.filter( selector );
		},

		// See https://api.jquery.com/category/selectors/, for CSS
		// meta-characters that should be escaped in order to be used with JQuery
		// as a literal part of a name/id or any selector.
		escapeCssMeta: function( string ) {
			return string.replace( /([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1" );
		},

		idOrName: function( element ) {
			return this.groups[ element.name ] || ( this.checkable( element ) ? element.name : element.id || element.name );
		},

		validationTargetFor: function( element ) {

			// If radio/checkbox, validate first element in group instead
			if ( this.checkable( element ) ) {
				element = this.findByName( element.name );
			}

			// Always apply ignore filter
			return $( element ).not( this.settings.ignore )[ 0 ];
		},

		checkable: function( element ) {
			return ( /radio|checkbox/i ).test( element.type );
		},

		findByName: function( name ) {
			return $( this.currentForm ).find( "[name='" + this.escapeCssMeta( name ) + "']" );
		},

		getLength: function( value, element ) {
			switch ( element.nodeName.toLowerCase() ) {
			case "select":
				return $( "option:selected", element ).length;
			case "input":
				if ( this.checkable( element ) ) {
					return this.findByName( element.name ).filter( ":checked" ).length;
				}
			}
			return value.length;
		},

		depend: function( param, element ) {
			return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ]( param, element ) : true;
		},

		dependTypes: {
			"boolean": function( param ) {
				return param;
			},
			"string": function( param, element ) {
				return !!$( param, element.form ).length;
			},
			"function": function( param, element ) {
				return param( element );
			}
		},

		optional: function( element ) {
			var val = this.elementValue( element );
			return !$.validator.methods.required.call( this, val, element ) && "dependency-mismatch";
		},

		startRequest: function( element ) {
			if ( !this.pending[ element.name ] ) {
				this.pendingRequest++;
				$( element ).addClass( this.settings.pendingClass );
				this.pending[ element.name ] = true;
			}
		},

		stopRequest: function( element, valid ) {
			this.pendingRequest--;

			// Sometimes synchronization fails, make sure pendingRequest is never < 0
			if ( this.pendingRequest < 0 ) {
				this.pendingRequest = 0;
			}
			delete this.pending[ element.name ];
			$( element ).removeClass( this.settings.pendingClass );
			if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {
				$( this.currentForm ).submit();
				this.formSubmitted = false;
			} else if ( !valid && this.pendingRequest === 0 && this.formSubmitted ) {
				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
				this.formSubmitted = false;
			}
		},

		previousValue: function( element, method ) {
			method = typeof method === "string" && method || "remote";

			return $.data( element, "previousValue" ) || $.data( element, "previousValue", {
				old: null,
				valid: true,
				message: this.defaultMessage( element, { method: method } )
			} );
		},

		// Cleans up all forms and elements, removes validator-specific events
		destroy: function() {
			this.resetForm();

			$( this.currentForm )
				.off( ".validate" )
				.removeData( "validator" )
				.find( ".validate-equalTo-blur" )
					.off( ".validate-equalTo" )
					.removeClass( "validate-equalTo-blur" );
		}

	},

	classRuleSettings: {
		required: { required: true },
		email: { email: true },
		url: { url: true },
		date: { date: true },
		dateISO: { dateISO: true },
		number: { number: true },
		digits: { digits: true },
		creditcard: { creditcard: true }
	},

	addClassRules: function( className, rules ) {
		if ( className.constructor === String ) {
			this.classRuleSettings[ className ] = rules;
		} else {
			$.extend( this.classRuleSettings, className );
		}
	},

	classRules: function( element ) {
		var rules = {},
			classes = $( element ).attr( "class" );

		if ( classes ) {
			$.each( classes.split( " " ), function() {
				if ( this in $.validator.classRuleSettings ) {
					$.extend( rules, $.validator.classRuleSettings[ this ] );
				}
			} );
		}
		return rules;
	},

	normalizeAttributeRule: function( rules, type, method, value ) {

		// Convert the value to a number for number inputs, and for text for backwards compability
		// allows type="date" and others to be compared as strings
		if ( /min|max|step/.test( method ) && ( type === null || /number|range|text/.test( type ) ) ) {
			value = Number( value );

			// Support Opera Mini, which returns NaN for undefined minlength
			if ( isNaN( value ) ) {
				value = undefined;
			}
		}

		if ( value || value === 0 ) {
			rules[ method ] = value;
		} else if ( type === method && type !== "range" ) {

			// Exception: the jquery validate 'range' method
			// does not test for the html5 'range' type
			rules[ method ] = true;
		}
	},

	attributeRules: function( element ) {
		var rules = {},
			$element = $( element ),
			type = element.getAttribute( "type" ),
			method, value;

		for ( method in $.validator.methods ) {

			// Support for <input required> in both html5 and older browsers
			if ( method === "required" ) {
				value = element.getAttribute( method );

				// Some browsers return an empty string for the required attribute
				// and non-HTML5 browsers might have required="" markup
				if ( value === "" ) {
					value = true;
				}

				// Force non-HTML5 browsers to return bool
				value = !!value;
			} else {
				value = $element.attr( method );
			}

			this.normalizeAttributeRule( rules, type, method, value );
		}

		// 'maxlength' may be returned as -1, 2147483647 ( IE ) and 524288 ( safari ) for text inputs
		if ( rules.maxlength && /-1|2147483647|524288/.test( rules.maxlength ) ) {
			delete rules.maxlength;
		}

		return rules;
	},

	dataRules: function( element ) {
		var rules = {},
			$element = $( element ),
			type = element.getAttribute( "type" ),
			method, value;

		for ( method in $.validator.methods ) {
			value = $element.data( "rule" + method.charAt( 0 ).toUpperCase() + method.substring( 1 ).toLowerCase() );
			this.normalizeAttributeRule( rules, type, method, value );
		}
		return rules;
	},

	staticRules: function( element ) {
		var rules = {},
			validator = $.data( element.form, "validator" );

		if ( validator.settings.rules ) {
			rules = $.validator.normalizeRule( validator.settings.rules[ element.name ] ) || {};
		}
		return rules;
	},

	normalizeRules: function( rules, element ) {

		// Handle dependency check
		$.each( rules, function( prop, val ) {

			// Ignore rule when param is explicitly false, eg. required:false
			if ( val === false ) {
				delete rules[ prop ];
				return;
			}
			if ( val.param || val.depends ) {
				var keepRule = true;
				switch ( typeof val.depends ) {
				case "string":
					keepRule = !!$( val.depends, element.form ).length;
					break;
				case "function":
					keepRule = val.depends.call( element, element );
					break;
				}
				if ( keepRule ) {
					rules[ prop ] = val.param !== undefined ? val.param : true;
				} else {
					$.data( element.form, "validator" ).resetElements( $( element ) );
					delete rules[ prop ];
				}
			}
		} );

		// Evaluate parameters
		$.each( rules, function( rule, parameter ) {
			rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
		} );

		// Clean number parameters
		$.each( [ "minlength", "maxlength" ], function() {
			if ( rules[ this ] ) {
				rules[ this ] = Number( rules[ this ] );
			}
		} );
		$.each( [ "rangelength", "range" ], function() {
			var parts;
			if ( rules[ this ] ) {
				if ( $.isArray( rules[ this ] ) ) {
					rules[ this ] = [ Number( rules[ this ][ 0 ] ), Number( rules[ this ][ 1 ] ) ];
				} else if ( typeof rules[ this ] === "string" ) {
					parts = rules[ this ].replace( /[\[\]]/g, "" ).split( /[\s,]+/ );
					rules[ this ] = [ Number( parts[ 0 ] ), Number( parts[ 1 ] ) ];
				}
			}
		} );

		if ( $.validator.autoCreateRanges ) {

			// Auto-create ranges
			if ( rules.min != null && rules.max != null ) {
				rules.range = [ rules.min, rules.max ];
				delete rules.min;
				delete rules.max;
			}
			if ( rules.minlength != null && rules.maxlength != null ) {
				rules.rangelength = [ rules.minlength, rules.maxlength ];
				delete rules.minlength;
				delete rules.maxlength;
			}
		}

		return rules;
	},

	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
	normalizeRule: function( data ) {
		if ( typeof data === "string" ) {
			var transformed = {};
			$.each( data.split( /\s/ ), function() {
				transformed[ this ] = true;
			} );
			data = transformed;
		}
		return data;
	},

	// http://jqueryvalidation.org/jQuery.validator.addMethod/
	addMethod: function( name, method, message ) {
		$.validator.methods[ name ] = method;
		$.validator.messages[ name ] = message !== undefined ? message : $.validator.messages[ name ];
		if ( method.length < 3 ) {
			$.validator.addClassRules( name, $.validator.normalizeRule( name ) );
		}
	},

	// http://jqueryvalidation.org/jQuery.validator.methods/
	methods: {

		// http://jqueryvalidation.org/required-method/
		required: function( value, element, param ) {

			// Check if dependency is met
			if ( !this.depend( param, element ) ) {
				return "dependency-mismatch";
			}
			if ( element.nodeName.toLowerCase() === "select" ) {

				// Could be an array for select-multiple or a string, both are fine this way
				var val = $( element ).val();
				return val && val.length > 0;
			}
			if ( this.checkable( element ) ) {
				return this.getLength( value, element ) > 0;
			}
			return value.length > 0;
		},

		// http://jqueryvalidation.org/email-method/
		email: function( value, element ) {

			// From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
			// Retrieved 2014-01-14
			// If you have a problem with this implementation, report a bug against the above spec
			// Or use custom methods to implement your own email validation
			return this.optional( element ) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test( value );
		},

		// http://jqueryvalidation.org/url-method/
		url: function( value, element ) {

			// Copyright (c) 2010-2013 Diego Perini, MIT licensed
			// https://gist.github.com/dperini/729294
			// see also https://mathiasbynens.be/demo/url-regex
			// modified to allow protocol-relative URLs
			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
		},

		// http://jqueryvalidation.org/date-method/
		date: function( value, element ) {
			return this.optional( element ) || !/Invalid|NaN/.test( new Date( value ).toString() );
		},

		// http://jqueryvalidation.org/dateISO-method/
		dateISO: function( value, element ) {
			return this.optional( element ) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test( value );
		},

		// http://jqueryvalidation.org/number-method/
		number: function( value, element ) {
			return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );
		},

		// http://jqueryvalidation.org/digits-method/
		digits: function( value, element ) {
			return this.optional( element ) || /^\d+$/.test( value );
		},

		// http://jqueryvalidation.org/minlength-method/
		minlength: function( value, element, param ) {
			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
			return this.optional( element ) || length >= param;
		},

		// http://jqueryvalidation.org/maxlength-method/
		maxlength: function( value, element, param ) {
			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
			return this.optional( element ) || length <= param;
		},

		// http://jqueryvalidation.org/rangelength-method/
		rangelength: function( value, element, param ) {
			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
			return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
		},

		// http://jqueryvalidation.org/min-method/
		min: function( value, element, param ) {
			return this.optional( element ) || value >= param;
		},

		// http://jqueryvalidation.org/max-method/
		max: function( value, element, param ) {
			return this.optional( element ) || value <= param;
		},

		// http://jqueryvalidation.org/range-method/
		range: function( value, element, param ) {
			return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );
		},

		// http://jqueryvalidation.org/step-method/
		step: function( value, element, param ) {
			var type = $( element ).attr( "type" ),
				errorMessage = "Step attribute on input type " + type + " is not supported.",
				supportedTypes = [ "text", "number", "range" ],
				re = new RegExp( "\\b" + type + "\\b" ),
				notSupported = type && !re.test( supportedTypes.join() ),
				decimalPlaces = function( num ) {
					var match = ( "" + num ).match( /(?:\.(\d+))?$/ );
					if ( !match ) {
						return 0;
					}

					// Number of digits right of decimal point.
					return match[ 1 ] ? match[ 1 ].length : 0;
				},
				toInt = function( num ) {
					return Math.round( num * Math.pow( 10, decimals ) );
				},
				valid = true,
				decimals;

			// Works only for text, number and range input types
			// TODO find a way to support input types date, datetime, datetime-local, month, time and week
			if ( notSupported ) {
				throw new Error( errorMessage );
			}

			decimals = decimalPlaces( param );

			// Value can't have too many decimals
			if ( decimalPlaces( value ) > decimals || toInt( value ) % toInt( param ) !== 0 ) {
				valid = false;
			}

			return this.optional( element ) || valid;
		},

		// http://jqueryvalidation.org/equalTo-method/
		equalTo: function( value, element, param ) {

			// Bind to the blur event of the target in order to revalidate whenever the target field is updated
			var target = $( param );
			if ( this.settings.onfocusout && target.not( ".validate-equalTo-blur" ).length ) {
				target.addClass( "validate-equalTo-blur" ).on( "blur.validate-equalTo", function() {
					$( element ).valid();
				} );
			}
			return value === target.val();
		},

		// http://jqueryvalidation.org/remote-method/
		remote: function( value, element, param, method ) {
			if ( this.optional( element ) ) {
				return "dependency-mismatch";
			}

			method = typeof method === "string" && method || "remote";

			var previous = this.previousValue( element, method ),
				validator, data, optionDataString;

			if ( !this.settings.messages[ element.name ] ) {
				this.settings.messages[ element.name ] = {};
			}
			previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
			this.settings.messages[ element.name ][ method ] = previous.message;

			param = typeof param === "string" && { url: param } || param;
			optionDataString = $.param( $.extend( { data: value }, param.data ) );
			if ( previous.old === optionDataString ) {
				return previous.valid;
			}

			previous.old = optionDataString;
			validator = this;
			this.startRequest( element );
			data = {};
			data[ element.name ] = value;
			$.ajax( $.extend( true, {
				mode: "abort",
				port: "validate" + element.name,
				dataType: "json",
				data: data,
				context: validator.currentForm,
				success: function( response ) {
					var valid = response === true || response === "true",
						errors, message, submitted;

					validator.settings.messages[ element.name ][ method ] = previous.originalMessage;
					if ( valid ) {
						submitted = validator.formSubmitted;
						validator.resetInternals();
						validator.toHide = validator.errorsFor( element );
						validator.formSubmitted = submitted;
						validator.successList.push( element );
						validator.invalid[ element.name ] = false;
						validator.showErrors();
					} else {
						errors = {};
						message = response || validator.defaultMessage( element, { method: method, parameters: value } );
						errors[ element.name ] = previous.message = message;
						validator.invalid[ element.name ] = true;
						validator.showErrors( errors );
					}
					previous.valid = valid;
					validator.stopRequest( element, valid );
				}
			}, param ) );
			return "pending";
		}
	}

} );

// Ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()

var pendingRequests = {},
	ajax;

// Use a prefilter if available (1.5+)
if ( $.ajaxPrefilter ) {
	$.ajaxPrefilter( function( settings, _, xhr ) {
		var port = settings.port;
		if ( settings.mode === "abort" ) {
			if ( pendingRequests[ port ] ) {
				pendingRequests[ port ].abort();
			}
			pendingRequests[ port ] = xhr;
		}
	} );
} else {

	// Proxy ajax
	ajax = $.ajax;
	$.ajax = function( settings ) {
		var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
			port = ( "port" in settings ? settings : $.ajaxSettings ).port;
		if ( mode === "abort" ) {
			if ( pendingRequests[ port ] ) {
				pendingRequests[ port ].abort();
			}
			pendingRequests[ port ] = ajax.apply( this, arguments );
			return pendingRequests[ port ];
		}
		return ajax.apply( this, arguments );
	};
}
return $;
}));
(function( factory ) {
	if ( typeof define === "function" && define.amd ) {
		define( ["jquery", "../jquery.validate"], factory );
	} else if (typeof module === "object" && module.exports) {
		module.exports = factory( require( "jquery" ) );
	} else {
		factory( jQuery );
	}
}(function( $ ) {

/*
 * Translated default messages for the jQuery validation plugin.
 * Locale: DE (German, Deutsch)
 */
$.extend( $.validator.messages, {
	required: "Dieses Feld ist ein Pflichtfeld.",
	maxlength: $.validator.format( "Geben Sie bitte maximal {0} Zeichen ein." ),
	minlength: $.validator.format( "Geben Sie bitte mindestens {0} Zeichen ein." ),
	rangelength: $.validator.format( "Geben Sie bitte mindestens {0} und maximal {1} Zeichen ein." ),
	email: "Geben Sie bitte eine gültige E-Mail Adresse ein.",
	url: "Geben Sie bitte eine gültige URL ein.",
	date: "Bitte geben Sie ein gültiges Datum ein.",
	number: "Geben Sie bitte eine Nummer ein.",
	digits: "Geben Sie bitte nur Ziffern ein.",
	equalTo: "Bitte denselben Wert wiederholen.",
	range: $.validator.format( "Geben Sie bitte einen Wert zwischen {0} und {1} ein." ),
	max: $.validator.format( "Geben Sie bitte einen Wert kleiner oder gleich {0} ein." ),
	min: $.validator.format( "Geben Sie bitte einen Wert größer oder gleich {0} ein." ),
	creditcard: "Geben Sie bitte eine gültige Kreditkarten-Nummer ein."
} );
return $;
}));

/*!
 * pickadate.js v3.5.6, 2015/04/20
 * By Amsul, http://amsul.ca
 * Hosted on http://amsul.github.io/pickadate.js
 * Licensed under MIT
 */

(function ( factory ) {

    // AMD.
    if ( typeof define == 'function' && define.amd )
        define( 'picker', ['jquery'], factory )

    // Node.js/browserify.
    else if ( typeof exports == 'object' )
        module.exports = factory( require('jquery') )

    // Browser globals.
    else this.Picker = factory( jQuery )

}(function( $ ) {

var $window = $( window )
var $document = $( document )
var $html = $( document.documentElement )
var supportsTransitions = document.documentElement.style.transition != null


/**
 * The picker constructor that creates a blank picker.
 */
function PickerConstructor( ELEMENT, NAME, COMPONENT, OPTIONS ) {

    // If there’s no element, return the picker constructor.
    if ( !ELEMENT ) return PickerConstructor


    var
        IS_DEFAULT_THEME = false,


        // The state of the picker.
        STATE = {
            id: ELEMENT.id || 'P' + Math.abs( ~~(Math.random() * new Date()) )
        },


        // Merge the defaults and options passed.
        SETTINGS = COMPONENT ? $.extend( true, {}, COMPONENT.defaults, OPTIONS ) : OPTIONS || {},


        // Merge the default classes with the settings classes.
        CLASSES = $.extend( {}, PickerConstructor.klasses(), SETTINGS.klass ),


        // The element node wrapper into a jQuery object.
        $ELEMENT = $( ELEMENT ),


        // Pseudo picker constructor.
        PickerInstance = function() {
            return this.start()
        },


        // The picker prototype.
        P = PickerInstance.prototype = {

            constructor: PickerInstance,

            $node: $ELEMENT,


            /**
             * Initialize everything
             */
            start: function() {

                // If it’s already started, do nothing.
                if ( STATE && STATE.start ) return P


                // Update the picker states.
                STATE.methods = {}
                STATE.start = true
                STATE.open = false
                STATE.type = ELEMENT.type


                // Confirm focus state, convert into text input to remove UA stylings,
                // and set as readonly to prevent keyboard popup.
                ELEMENT.autofocus = ELEMENT == getActiveElement()
                ELEMENT.readOnly = !SETTINGS.editable
                ELEMENT.id = ELEMENT.id || STATE.id
                if ( ELEMENT.type != 'text' ) {
                    ELEMENT.type = 'text'
                }


                // Create a new picker component with the settings.
                P.component = new COMPONENT(P, SETTINGS)


                // Create the picker root and then prepare it.
                P.$root = $( '<div class="' + CLASSES.picker + '" id="' + ELEMENT.id + '_root" />' )
                prepareElementRoot()


                // Create the picker holder and then prepare it.
                P.$holder = $( createWrappedComponent() ).appendTo( P.$root )
                prepareElementHolder()


                // If there’s a format for the hidden input element, create the element.
                if ( SETTINGS.formatSubmit ) {
                    prepareElementHidden()
                }


                // Prepare the input element.
                prepareElement()


                // Insert the hidden input as specified in the settings.
                if ( SETTINGS.containerHidden ) $( SETTINGS.containerHidden ).append( P._hidden )
                else $ELEMENT.after( P._hidden )


                // Insert the root as specified in the settings.
                if ( SETTINGS.container ) $( SETTINGS.container ).append( P.$root )
                else $ELEMENT.after( P.$root )


                // Bind the default component and settings events.
                P.on({
                    start: P.component.onStart,
                    render: P.component.onRender,
                    stop: P.component.onStop,
                    open: P.component.onOpen,
                    close: P.component.onClose,
                    set: P.component.onSet
                }).on({
                    start: SETTINGS.onStart,
                    render: SETTINGS.onRender,
                    stop: SETTINGS.onStop,
                    open: SETTINGS.onOpen,
                    close: SETTINGS.onClose,
                    set: SETTINGS.onSet
                })


                // Once we’re all set, check the theme in use.
                IS_DEFAULT_THEME = isUsingDefaultTheme( P.$holder[0] )


                // If the element has autofocus, open the picker.
                if ( ELEMENT.autofocus ) {
                    P.open()
                }


                // Trigger queued the “start” and “render” events.
                return P.trigger( 'start' ).trigger( 'render' )
            }, //start


            /**
             * Render a new picker
             */
            render: function( entireComponent ) {

                // Insert a new component holder in the root or box.
                if ( entireComponent ) {
                    P.$holder = $( createWrappedComponent() )
                    prepareElementHolder()
                    P.$root.html( P.$holder )
                }
                else P.$root.find( '.' + CLASSES.box ).html( P.component.nodes( STATE.open ) )

                // Trigger the queued “render” events.
                return P.trigger( 'render' )
            }, //render


            /**
             * Destroy everything
             */
            stop: function() {

                // If it’s already stopped, do nothing.
                if ( !STATE.start ) return P

                // Then close the picker.
                P.close()

                // Remove the hidden field.
                if ( P._hidden ) {
                    P._hidden.parentNode.removeChild( P._hidden )
                }

                // Remove the root.
                P.$root.remove()

                // Remove the input class, remove the stored data, and unbind
                // the events (after a tick for IE - see `P.close`).
                $ELEMENT.removeClass( CLASSES.input ).removeData( NAME )
                setTimeout( function() {
                    $ELEMENT.off( '.' + STATE.id )
                }, 0)

                // Restore the element state
                ELEMENT.type = STATE.type
                ELEMENT.readOnly = false

                // Trigger the queued “stop” events.
                P.trigger( 'stop' )

                // Reset the picker states.
                STATE.methods = {}
                STATE.start = false

                return P
            }, //stop


            /**
             * Open up the picker
             */
            open: function( dontGiveFocus ) {

                // If it’s already open, do nothing.
                if ( STATE.open ) return P

                // Add the “active” class.
                $ELEMENT.addClass( CLASSES.active )
                aria( ELEMENT, 'expanded', true )

                // * A Firefox bug, when `html` has `overflow:hidden`, results in
                //   killing transitions :(. So add the “opened” state on the next tick.
                //   Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
                setTimeout( function() {

                    // Add the “opened” class to the picker root.
                    P.$root.addClass( CLASSES.opened )
                    aria( P.$root[0], 'hidden', false )

                }, 0 )

                // If we have to give focus, bind the element and doc events.
                if ( dontGiveFocus !== false ) {

                    // Set it as open.
                    STATE.open = true

                    // Prevent the page from scrolling.
                    if ( IS_DEFAULT_THEME ) {
                        $html.
                            css( 'overflow', 'hidden' ).
                            css( 'padding-right', '+=' + getScrollbarWidth() )
                    }

                    // Pass focus to the root element’s jQuery object.
                    focusPickerOnceOpened()

                    // Bind the document events.
                    $document.on( 'click.' + STATE.id + ' focusin.' + STATE.id, function( event ) {

                        var target = event.target

                        // If the target of the event is not the element, close the picker picker.
                        // * Don’t worry about clicks or focusins on the root because those don’t bubble up.
                        //   Also, for Firefox, a click on an `option` element bubbles up directly
                        //   to the doc. So make sure the target wasn't the doc.
                        // * In Firefox stopPropagation() doesn’t prevent right-click events from bubbling,
                        //   which causes the picker to unexpectedly close when right-clicking it. So make
                        //   sure the event wasn’t a right-click.
                        if ( target != ELEMENT && target != document && event.which != 3 ) {

                            // If the target was the holder that covers the screen,
                            // keep the element focused to maintain tabindex.
                            P.close( target === P.$holder[0] )
                        }

                    }).on( 'keydown.' + STATE.id, function( event ) {

                        var
                            // Get the keycode.
                            keycode = event.keyCode,

                            // Translate that to a selection change.
                            keycodeToMove = P.component.key[ keycode ],

                            // Grab the target.
                            target = event.target


                        // On escape, close the picker and give focus.
                        if ( keycode == 27 ) {
                            P.close( true )
                        }


                        // Check if there is a key movement or “enter” keypress on the element.
                        else if ( target == P.$holder[0] && ( keycodeToMove || keycode == 13 ) ) {

                            // Prevent the default action to stop page movement.
                            event.preventDefault()

                            // Trigger the key movement action.
                            if ( keycodeToMove ) {
                                PickerConstructor._.trigger( P.component.key.go, P, [ PickerConstructor._.trigger( keycodeToMove ) ] )
                            }

                            // On “enter”, if the highlighted item isn’t disabled, set the value and close.
                            else if ( !P.$root.find( '.' + CLASSES.highlighted ).hasClass( CLASSES.disabled ) ) {
                                P.set( 'select', P.component.item.highlight )
                                if ( SETTINGS.closeOnSelect ) {
                                    P.close( true )
                                }
                            }
                        }


                        // If the target is within the root and “enter” is pressed,
                        // prevent the default action and trigger a click on the target instead.
                        else if ( $.contains( P.$root[0], target ) && keycode == 13 ) {
                            event.preventDefault()
                            target.click()
                        }
                    })
                }

                // Trigger the queued “open” events.
                return P.trigger( 'open' )
            }, //open


            /**
             * Close the picker
             */
            close: function( giveFocus ) {

                // If we need to give focus, do it before changing states.
                if ( giveFocus ) {
                    if ( SETTINGS.editable ) {
                        ELEMENT.focus()
                    }
                    else {
                        // ....ah yes! It would’ve been incomplete without a crazy workaround for IE :|
                        // The focus is triggered *after* the close has completed - causing it
                        // to open again. So unbind and rebind the event at the next tick.
                        P.$holder.off( 'focus.toOpen' ).focus()
                        setTimeout( function() {
                            P.$holder.on( 'focus.toOpen', handleFocusToOpenEvent )
                        }, 0 )
                    }
                }

                // Remove the “active” class.
                $ELEMENT.removeClass( CLASSES.active )
                aria( ELEMENT, 'expanded', false )

                // * A Firefox bug, when `html` has `overflow:hidden`, results in
                //   killing transitions :(. So remove the “opened” state on the next tick.
                //   Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=625289
                setTimeout( function() {

                    // Remove the “opened” and “focused” class from the picker root.
                    P.$root.removeClass( CLASSES.opened + ' ' + CLASSES.focused )
                    aria( P.$root[0], 'hidden', true )

                }, 0 )

                // If it’s already closed, do nothing more.
                if ( !STATE.open ) return P

                // Set it as closed.
                STATE.open = false

                // Allow the page to scroll.
                if ( IS_DEFAULT_THEME ) {
                    $html.
                        css( 'overflow', '' ).
                        css( 'padding-right', '-=' + getScrollbarWidth() )
                }

                // Unbind the document events.
                $document.off( '.' + STATE.id )

                // Trigger the queued “close” events.
                return P.trigger( 'close' )
            }, //close


            /**
             * Clear the values
             */
            clear: function( options ) {
                return P.set( 'clear', null, options )
            }, //clear


            /**
             * Set something
             */
            set: function( thing, value, options ) {

                var thingItem, thingValue,
                    thingIsObject = $.isPlainObject( thing ),
                    thingObject = thingIsObject ? thing : {}

                // Make sure we have usable options.
                options = thingIsObject && $.isPlainObject( value ) ? value : options || {}

                if ( thing ) {

                    // If the thing isn’t an object, make it one.
                    if ( !thingIsObject ) {
                        thingObject[ thing ] = value
                    }

                    // Go through the things of items to set.
                    for ( thingItem in thingObject ) {

                        // Grab the value of the thing.
                        thingValue = thingObject[ thingItem ]

                        // First, if the item exists and there’s a value, set it.
                        if ( thingItem in P.component.item ) {
                            if ( thingValue === undefined ) thingValue = null
                            P.component.set( thingItem, thingValue, options )
                        }

                        // Then, check to update the element value and broadcast a change.
                        if ( thingItem == 'select' || thingItem == 'clear' ) {
                            $ELEMENT.
                                val( thingItem == 'clear' ? '' : P.get( thingItem, SETTINGS.format ) ).
                                trigger( 'change' )
                        }
                    }

                    // Render a new picker.
                    P.render()
                }

                // When the method isn’t muted, trigger queued “set” events and pass the `thingObject`.
                return options.muted ? P : P.trigger( 'set', thingObject )
            }, //set


            /**
             * Get something
             */
            get: function( thing, format ) {

                // Make sure there’s something to get.
                thing = thing || 'value'

                // If a picker state exists, return that.
                if ( STATE[ thing ] != null ) {
                    return STATE[ thing ]
                }

                // Return the submission value, if that.
                if ( thing == 'valueSubmit' ) {
                    if ( P._hidden ) {
                        return P._hidden.value
                    }
                    thing = 'value'
                }

                // Return the value, if that.
                if ( thing == 'value' ) {
                    return ELEMENT.value
                }

                // Check if a component item exists, return that.
                if ( thing in P.component.item ) {
                    if ( typeof format == 'string' ) {
                        var thingValue = P.component.get( thing )
                        return thingValue ?
                            PickerConstructor._.trigger(
                                P.component.formats.toString,
                                P.component,
                                [ format, thingValue ]
                            ) : ''
                    }
                    return P.component.get( thing )
                }
            }, //get



            /**
             * Bind events on the things.
             */
            on: function( thing, method, internal ) {

                var thingName, thingMethod,
                    thingIsObject = $.isPlainObject( thing ),
                    thingObject = thingIsObject ? thing : {}

                if ( thing ) {

                    // If the thing isn’t an object, make it one.
                    if ( !thingIsObject ) {
                        thingObject[ thing ] = method
                    }

                    // Go through the things to bind to.
                    for ( thingName in thingObject ) {

                        // Grab the method of the thing.
                        thingMethod = thingObject[ thingName ]

                        // If it was an internal binding, prefix it.
                        if ( internal ) {
                            thingName = '_' + thingName
                        }

                        // Make sure the thing methods collection exists.
                        STATE.methods[ thingName ] = STATE.methods[ thingName ] || []

                        // Add the method to the relative method collection.
                        STATE.methods[ thingName ].push( thingMethod )
                    }
                }

                return P
            }, //on



            /**
             * Unbind events on the things.
             */
            off: function() {
                var i, thingName,
                    names = arguments;
                for ( i = 0, namesCount = names.length; i < namesCount; i += 1 ) {
                    thingName = names[i]
                    if ( thingName in STATE.methods ) {
                        delete STATE.methods[thingName]
                    }
                }
                return P
            },


            /**
             * Fire off method events.
             */
            trigger: function( name, data ) {
                var _trigger = function( name ) {
                    var methodList = STATE.methods[ name ]
                    if ( methodList ) {
                        methodList.map( function( method ) {
                            PickerConstructor._.trigger( method, P, [ data ] )
                        })
                    }
                }
                _trigger( '_' + name )
                _trigger( name )
                return P
            } //trigger
        } //PickerInstance.prototype


    /**
     * Wrap the picker holder components together.
     */
    function createWrappedComponent() {

        // Create a picker wrapper holder
        return PickerConstructor._.node( 'div',

            // Create a picker wrapper node
            PickerConstructor._.node( 'div',

                // Create a picker frame
                PickerConstructor._.node( 'div',

                    // Create a picker box node
                    PickerConstructor._.node( 'div',

                        // Create the components nodes.
                        P.component.nodes( STATE.open ),

                        // The picker box class
                        CLASSES.box
                    ),

                    // Picker wrap class
                    CLASSES.wrap
                ),

                // Picker frame class
                CLASSES.frame
            ),

            // Picker holder class
            CLASSES.holder,

            'tabindex="-1"'
        ) //endreturn
    } //createWrappedComponent



    /**
     * Prepare the input element with all bindings.
     */
    function prepareElement() {

        $ELEMENT.

            // Store the picker data by component name.
            data(NAME, P).

            // Add the “input” class name.
            addClass(CLASSES.input).

            // If there’s a `data-value`, update the value of the element.
            val( $ELEMENT.data('value') ?
                P.get('select', SETTINGS.format) :
                ELEMENT.value
            )


        // Only bind keydown events if the element isn’t editable.
        if ( !SETTINGS.editable ) {

            $ELEMENT.

                // On focus/click, open the picker.
                on( 'focus.' + STATE.id + ' click.' + STATE.id, function(event) {
                    event.preventDefault()
                    P.open()
                }).

                // Handle keyboard event based on the picker being opened or not.
                on( 'keydown.' + STATE.id, handleKeydownEvent )
        }


        // Update the aria attributes.
        aria(ELEMENT, {
            haspopup: true,
            expanded: false,
            readonly: false,
            owns: ELEMENT.id + '_root'
        })
    }


    /**
     * Prepare the root picker element with all bindings.
     */
    function prepareElementRoot() {
        aria( P.$root[0], 'hidden', true )
    }


     /**
      * Prepare the holder picker element with all bindings.
      */
    function prepareElementHolder() {

        P.$holder.

            on({

                // For iOS8.
                keydown: handleKeydownEvent,

                'focus.toOpen': handleFocusToOpenEvent,

                blur: function() {
                    // Remove the “target” class.
                    $ELEMENT.removeClass( CLASSES.target )
                },

                // When something within the holder is focused, stop from bubbling
                // to the doc and remove the “focused” state from the root.
                focusin: function( event ) {
                    P.$root.removeClass( CLASSES.focused )
                    event.stopPropagation()
                },

                // When something within the holder is clicked, stop it
                // from bubbling to the doc.
                'mousedown click': function( event ) {

                    var target = event.target

                    // Make sure the target isn’t the root holder so it can bubble up.
                    if ( target != P.$holder[0] ) {

                        event.stopPropagation()

                        // * For mousedown events, cancel the default action in order to
                        //   prevent cases where focus is shifted onto external elements
                        //   when using things like jQuery mobile or MagnificPopup (ref: #249 & #120).
                        //   Also, for Firefox, don’t prevent action on the `option` element.
                        if ( event.type == 'mousedown' && !$( target ).is( 'input, select, textarea, button, option' )) {

                            event.preventDefault()

                            // Re-focus onto the holder so that users can click away
                            // from elements focused within the picker.
                            P.$holder[0].focus()
                        }
                    }
                }

            }).

            // If there’s a click on an actionable element, carry out the actions.
            on( 'click', '[data-pick], [data-nav], [data-clear], [data-close]', function() {

                var $target = $( this ),
                    targetData = $target.data(),
                    targetDisabled = $target.hasClass( CLASSES.navDisabled ) || $target.hasClass( CLASSES.disabled ),

                    // * For IE, non-focusable elements can be active elements as well
                    //   (http://stackoverflow.com/a/2684561).
                    activeElement = getActiveElement()
                    activeElement = activeElement && ( activeElement.type || activeElement.href )

                // If it’s disabled or nothing inside is actively focused, re-focus the element.
                if ( targetDisabled || activeElement && !$.contains( P.$root[0], activeElement ) ) {
                    P.$holder[0].focus()
                }

                // If something is superficially changed, update the `highlight` based on the `nav`.
                if ( !targetDisabled && targetData.nav ) {
                    P.set( 'highlight', P.component.item.highlight, { nav: targetData.nav } )
                }

                // If something is picked, set `select` then close with focus.
                else if ( !targetDisabled && 'pick' in targetData ) {
                    P.set( 'select', targetData.pick )
                    if ( SETTINGS.closeOnSelect ) {
                        P.close( true )
                    }
                }

                // If a “clear” button is pressed, empty the values and close with focus.
                else if ( targetData.clear ) {
                    P.clear()
                    if ( SETTINGS.closeOnClear ) {
                        P.close( true )
                    }
                }

                else if ( targetData.close ) {
                    P.close( true )
                }

            }) //P.$holder

    }


     /**
      * Prepare the hidden input element along with all bindings.
      */
    function prepareElementHidden() {

        var name

        if ( SETTINGS.hiddenName === true ) {
            name = ELEMENT.name
            ELEMENT.name = ''
        }
        else {
            name = [
                typeof SETTINGS.hiddenPrefix == 'string' ? SETTINGS.hiddenPrefix : '',
                typeof SETTINGS.hiddenSuffix == 'string' ? SETTINGS.hiddenSuffix : '_submit'
            ]
            name = name[0] + ELEMENT.name + name[1]
        }

        P._hidden = $(
            '<input ' +
            'type=hidden ' +

            // Create the name using the original input’s with a prefix and suffix.
            'name="' + name + '"' +

            // If the element has a value, set the hidden value as well.
            (
                $ELEMENT.data('value') || ELEMENT.value ?
                    ' value="' + P.get('select', SETTINGS.formatSubmit) + '"' :
                    ''
            ) +
            '>'
        )[0]

        $ELEMENT.

            // If the value changes, update the hidden input with the correct format.
            on('change.' + STATE.id, function() {
                P._hidden.value = ELEMENT.value ?
                    P.get('select', SETTINGS.formatSubmit) :
                    ''
            })
    }


    // Wait for transitions to end before focusing the holder. Otherwise, while
    // using the `container` option, the view jumps to the container.
    function focusPickerOnceOpened() {

        if (IS_DEFAULT_THEME && supportsTransitions) {
            P.$holder.find('.' + CLASSES.frame).one('transitionend', function() {
                P.$holder[0].focus()
            })
        }
        else {
            P.$holder[0].focus()
        }
    }


    function handleFocusToOpenEvent(event) {

        // Stop the event from propagating to the doc.
        event.stopPropagation()

        // Add the “target” class.
        $ELEMENT.addClass( CLASSES.target )

        // Add the “focused” class to the root.
        P.$root.addClass( CLASSES.focused )

        // And then finally open the picker.
        P.open()
    }


    // For iOS8.
    function handleKeydownEvent( event ) {

        var keycode = event.keyCode,

            // Check if one of the delete keys was pressed.
            isKeycodeDelete = /^(8|46)$/.test(keycode)

        // For some reason IE clears the input value on “escape”.
        if ( keycode == 27 ) {
            P.close( true )
            return false
        }

        // Check if `space` or `delete` was pressed or the picker is closed with a key movement.
        if ( keycode == 32 || isKeycodeDelete || !STATE.open && P.component.key[keycode] ) {

            // Prevent it from moving the page and bubbling to doc.
            event.preventDefault()
            event.stopPropagation()

            // If `delete` was pressed, clear the values and close the picker.
            // Otherwise open the picker.
            if ( isKeycodeDelete ) { P.clear().close() }
            else { P.open() }
        }
    }


    // Return a new picker instance.
    return new PickerInstance()
} //PickerConstructor



/**
 * The default classes and prefix to use for the HTML classes.
 */
PickerConstructor.klasses = function( prefix ) {
    prefix = prefix || 'picker'
    return {

        picker: prefix,
        opened: prefix + '--opened',
        focused: prefix + '--focused',

        input: prefix + '__input',
        active: prefix + '__input--active',
        target: prefix + '__input--target',

        holder: prefix + '__holder',

        frame: prefix + '__frame',
        wrap: prefix + '__wrap',

        box: prefix + '__box'
    }
} //PickerConstructor.klasses



/**
 * Check if the default theme is being used.
 */
function isUsingDefaultTheme( element ) {

    var theme,
        prop = 'position'

    // For IE.
    if ( element.currentStyle ) {
        theme = element.currentStyle[prop]
    }

    // For normal browsers.
    else if ( window.getComputedStyle ) {
        theme = getComputedStyle( element )[prop]
    }

    return theme == 'fixed'
}



/**
 * Get the width of the browser’s scrollbar.
 * Taken from: https://github.com/VodkaBears/Remodal/blob/master/src/jquery.remodal.js
 */
function getScrollbarWidth() {

    if ( $html.height() <= $window.height() ) {
        return 0
    }

    var $outer = $( '<div style="visibility:hidden;width:100px" />' ).
        appendTo( 'body' )

    // Get the width without scrollbars.
    var widthWithoutScroll = $outer[0].offsetWidth

    // Force adding scrollbars.
    $outer.css( 'overflow', 'scroll' )

    // Add the inner div.
    var $inner = $( '<div style="width:100%" />' ).appendTo( $outer )

    // Get the width with scrollbars.
    var widthWithScroll = $inner[0].offsetWidth

    // Remove the divs.
    $outer.remove()

    // Return the difference between the widths.
    return widthWithoutScroll - widthWithScroll
}



/**
 * PickerConstructor helper methods.
 */
PickerConstructor._ = {

    /**
     * Create a group of nodes. Expects:
     * `
        {
            min:    {Integer},
            max:    {Integer},
            i:      {Integer},
            node:   {String},
            item:   {Function}
        }
     * `
     */
    group: function( groupObject ) {

        var
            // Scope for the looped object
            loopObjectScope,

            // Create the nodes list
            nodesList = '',

            // The counter starts from the `min`
            counter = PickerConstructor._.trigger( groupObject.min, groupObject )


        // Loop from the `min` to `max`, incrementing by `i`
        for ( ; counter <= PickerConstructor._.trigger( groupObject.max, groupObject, [ counter ] ); counter += groupObject.i ) {

            // Trigger the `item` function within scope of the object
            loopObjectScope = PickerConstructor._.trigger( groupObject.item, groupObject, [ counter ] )

            // Splice the subgroup and create nodes out of the sub nodes
            nodesList += PickerConstructor._.node(
                groupObject.node,
                loopObjectScope[ 0 ],   // the node
                loopObjectScope[ 1 ],   // the classes
                loopObjectScope[ 2 ]    // the attributes
            )
        }

        // Return the list of nodes
        return nodesList
    }, //group


    /**
     * Create a dom node string
     */
    node: function( wrapper, item, klass, attribute ) {

        // If the item is false-y, just return an empty string
        if ( !item ) return ''

        // If the item is an array, do a join
        item = $.isArray( item ) ? item.join( '' ) : item

        // Check for the class
        klass = klass ? ' class="' + klass + '"' : ''

        // Check for any attributes
        attribute = attribute ? ' ' + attribute : ''

        // Return the wrapped item
        return '<' + wrapper + klass + attribute + '>' + item + '</' + wrapper + '>'
    }, //node


    /**
     * Lead numbers below 10 with a zero.
     */
    lead: function( number ) {
        return ( number < 10 ? '0': '' ) + number
    },


    /**
     * Trigger a function otherwise return the value.
     */
    trigger: function( callback, scope, args ) {
        return typeof callback == 'function' ? callback.apply( scope, args || [] ) : callback
    },


    /**
     * If the second character is a digit, length is 2 otherwise 1.
     */
    digits: function( string ) {
        return ( /\d/ ).test( string[ 1 ] ) ? 2 : 1
    },


    /**
     * Tell if something is a date object.
     */
    isDate: function( value ) {
        return {}.toString.call( value ).indexOf( 'Date' ) > -1 && this.isInteger( value.getDate() )
    },


    /**
     * Tell if something is an integer.
     */
    isInteger: function( value ) {
        return {}.toString.call( value ).indexOf( 'Number' ) > -1 && value % 1 === 0
    },


    /**
     * Create ARIA attribute strings.
     */
    ariaAttr: ariaAttr
} //PickerConstructor._



/**
 * Extend the picker with a component and defaults.
 */
PickerConstructor.extend = function( name, Component ) {

    // Extend jQuery.
    $.fn[ name ] = function( options, action ) {

        // Grab the component data.
        var componentData = this.data( name )

        // If the picker is requested, return the data object.
        if ( options == 'picker' ) {
            return componentData
        }

        // If the component data exists and `options` is a string, carry out the action.
        if ( componentData && typeof options == 'string' ) {
            return PickerConstructor._.trigger( componentData[ options ], componentData, [ action ] )
        }

        // Otherwise go through each matched element and if the component
        // doesn’t exist, create a new picker using `this` element
        // and merging the defaults and options with a deep copy.
        return this.each( function() {
            var $this = $( this )
            if ( !$this.data( name ) ) {
                new PickerConstructor( this, name, Component, options )
            }
        })
    }

    // Set the defaults.
    $.fn[ name ].defaults = Component.defaults
} //PickerConstructor.extend



function aria(element, attribute, value) {
    if ( $.isPlainObject(attribute) ) {
        for ( var key in attribute ) {
            ariaSet(element, key, attribute[key])
        }
    }
    else {
        ariaSet(element, attribute, value)
    }
}
function ariaSet(element, attribute, value) {
    element.setAttribute(
        (attribute == 'role' ? '' : 'aria-') + attribute,
        value
    )
}
function ariaAttr(attribute, data) {
    if ( !$.isPlainObject(attribute) ) {
        attribute = { attribute: data }
    }
    data = ''
    for ( var key in attribute ) {
        var attr = (key == 'role' ? '' : 'aria-') + key,
            attrVal = attribute[key]
        data += attrVal == null ? '' : attr + '="' + attribute[key] + '"'
    }
    return data
}

// IE8 bug throws an error for activeElements within iframes.
function getActiveElement() {
    try {
        return document.activeElement
    } catch ( err ) { }
}



// Expose the picker constructor.
return PickerConstructor


}));




/*!
 * Date picker for pickadate.js v3.5.6
 * http://amsul.github.io/pickadate.js/date.htm
 */

(function ( factory ) {

    // AMD.
    if ( typeof define == 'function' && define.amd )
        define( ['picker', 'jquery'], factory )

    // Node.js/browserify.
    else if ( typeof exports == 'object' )
        module.exports = factory( require('./picker.js'), require('jquery') )

    // Browser globals.
    else factory( Picker, jQuery )

}(function( Picker, $ ) {


/**
 * Globals and constants
 */
var DAYS_IN_WEEK = 7,
    WEEKS_IN_CALENDAR = 6,
    _ = Picker._



/**
 * The date picker constructor
 */
function DatePicker( picker, settings ) {

    var calendar = this,
        element = picker.$node[ 0 ],
        elementValue = element.value,
        elementDataValue = picker.$node.data( 'value' ),
        valueString = elementDataValue || elementValue,
        formatString = elementDataValue ? settings.formatSubmit : settings.format,
        isRTL = function() {

            return element.currentStyle ?

                // For IE.
                element.currentStyle.direction == 'rtl' :

                // For normal browsers.
                getComputedStyle( picker.$root[0] ).direction == 'rtl'
        }

    calendar.settings = settings
    calendar.$node = picker.$node

    // The queue of methods that will be used to build item objects.
    calendar.queue = {
        min: 'measure create',
        max: 'measure create',
        now: 'now create',
        select: 'parse create validate',
        highlight: 'parse navigate create validate',
        view: 'parse create validate viewset',
        disable: 'deactivate',
        enable: 'activate'
    }

    // The component's item object.
    calendar.item = {}

    calendar.item.clear = null
    calendar.item.disable = ( settings.disable || [] ).slice( 0 )
    calendar.item.enable = -(function( collectionDisabled ) {
        return collectionDisabled[ 0 ] === true ? collectionDisabled.shift() : -1
    })( calendar.item.disable )

    calendar.
        set( 'min', settings.min ).
        set( 'max', settings.max ).
        set( 'now' )

    // When there’s a value, set the `select`, which in turn
    // also sets the `highlight` and `view`.
    if ( valueString ) {
        calendar.set( 'select', valueString, {
            format: formatString,
            defaultValue: true
        })
    }

    // If there’s no value, default to highlighting “today”.
    else {
        calendar.
            set( 'select', null ).
            set( 'highlight', calendar.item.now )
    }


    // The keycode to movement mapping.
    calendar.key = {
        40: 7, // Down
        38: -7, // Up
        39: function() { return isRTL() ? -1 : 1 }, // Right
        37: function() { return isRTL() ? 1 : -1 }, // Left
        go: function( timeChange ) {
            var highlightedObject = calendar.item.highlight,
                targetDate = new Date( highlightedObject.year, highlightedObject.month, highlightedObject.date + timeChange )
            calendar.set(
                'highlight',
                targetDate,
                { interval: timeChange }
            )
            this.render()
        }
    }


    // Bind some picker events.
    picker.
        on( 'render', function() {
            picker.$root.find( '.' + settings.klass.selectMonth ).on( 'change', function() {
                var value = this.value
                if ( value ) {
                    picker.set( 'highlight', [ picker.get( 'view' ).year, value, picker.get( 'highlight' ).date ] )
                    picker.$root.find( '.' + settings.klass.selectMonth ).trigger( 'focus' )
                }
            })
            picker.$root.find( '.' + settings.klass.selectYear ).on( 'change', function() {
                var value = this.value
                if ( value ) {
                    picker.set( 'highlight', [ value, picker.get( 'view' ).month, picker.get( 'highlight' ).date ] )
                    picker.$root.find( '.' + settings.klass.selectYear ).trigger( 'focus' )
                }
            })
        }, 1 ).
        on( 'open', function() {
            var includeToday = ''
            if ( calendar.disabled( calendar.get('now') ) ) {
                includeToday = ':not(.' + settings.klass.buttonToday + ')'
            }
            picker.$root.find( 'button' + includeToday + ', select' ).attr( 'disabled', false )
        }, 1 ).
        on( 'close', function() {
            picker.$root.find( 'button, select' ).attr( 'disabled', true )
        }, 1 )

} //DatePicker


/**
 * Set a datepicker item object.
 */
DatePicker.prototype.set = function( type, value, options ) {

    var calendar = this,
        calendarItem = calendar.item

    // If the value is `null` just set it immediately.
    if ( value === null ) {
        if ( type == 'clear' ) type = 'select'
        calendarItem[ type ] = value
        return calendar
    }

    // Otherwise go through the queue of methods, and invoke the functions.
    // Update this as the time unit, and set the final value as this item.
    // * In the case of `enable`, keep the queue but set `disable` instead.
    //   And in the case of `flip`, keep the queue but set `enable` instead.
    calendarItem[ ( type == 'enable' ? 'disable' : type == 'flip' ? 'enable' : type ) ] = calendar.queue[ type ].split( ' ' ).map( function( method ) {
        value = calendar[ method ]( type, value, options )
        return value
    }).pop()

    // Check if we need to cascade through more updates.
    if ( type == 'select' ) {
        calendar.set( 'highlight', calendarItem.select, options )
    }
    else if ( type == 'highlight' ) {
        calendar.set( 'view', calendarItem.highlight, options )
    }
    else if ( type.match( /^(flip|min|max|disable|enable)$/ ) ) {
        if ( calendarItem.select && calendar.disabled( calendarItem.select ) ) {
            calendar.set( 'select', calendarItem.select, options )
        }
        if ( calendarItem.highlight && calendar.disabled( calendarItem.highlight ) ) {
            calendar.set( 'highlight', calendarItem.highlight, options )
        }
    }

    return calendar
} //DatePicker.prototype.set


/**
 * Get a datepicker item object.
 */
DatePicker.prototype.get = function( type ) {
    return this.item[ type ]
} //DatePicker.prototype.get


/**
 * Create a picker date object.
 */
DatePicker.prototype.create = function( type, value, options ) {

    var isInfiniteValue,
        calendar = this

    // If there’s no value, use the type as the value.
    value = value === undefined ? type : value


    // If it’s infinity, update the value.
    if ( value == -Infinity || value == Infinity ) {
        isInfiniteValue = value
    }

    // If it’s an object, use the native date object.
    else if ( $.isPlainObject( value ) && _.isInteger( value.pick ) ) {
        value = value.obj
    }

    // If it’s an array, convert it into a date and make sure
    // that it’s a valid date – otherwise default to today.
    else if ( $.isArray( value ) ) {
        value = new Date( value[ 0 ], value[ 1 ], value[ 2 ] )
        value = _.isDate( value ) ? value : calendar.create().obj
    }

    // If it’s a number or date object, make a normalized date.
    else if ( _.isInteger( value ) || _.isDate( value ) ) {
        value = calendar.normalize( new Date( value ), options )
    }

    // If it’s a literal true or any other case, set it to now.
    else /*if ( value === true )*/ {
        value = calendar.now( type, value, options )
    }

    // Return the compiled object.
    return {
        year: isInfiniteValue || value.getFullYear(),
        month: isInfiniteValue || value.getMonth(),
        date: isInfiniteValue || value.getDate(),
        day: isInfiniteValue || value.getDay(),
        obj: isInfiniteValue || value,
        pick: isInfiniteValue || value.getTime()
    }
} //DatePicker.prototype.create


/**
 * Create a range limit object using an array, date object,
 * literal “true”, or integer relative to another time.
 */
DatePicker.prototype.createRange = function( from, to ) {

    var calendar = this,
        createDate = function( date ) {
            if ( date === true || $.isArray( date ) || _.isDate( date ) ) {
                return calendar.create( date )
            }
            return date
        }

    // Create objects if possible.
    if ( !_.isInteger( from ) ) {
        from = createDate( from )
    }
    if ( !_.isInteger( to ) ) {
        to = createDate( to )
    }

    // Create relative dates.
    if ( _.isInteger( from ) && $.isPlainObject( to ) ) {
        from = [ to.year, to.month, to.date + from ];
    }
    else if ( _.isInteger( to ) && $.isPlainObject( from ) ) {
        to = [ from.year, from.month, from.date + to ];
    }

    return {
        from: createDate( from ),
        to: createDate( to )
    }
} //DatePicker.prototype.createRange


/**
 * Check if a date unit falls within a date range object.
 */
DatePicker.prototype.withinRange = function( range, dateUnit ) {
    range = this.createRange(range.from, range.to)
    return dateUnit.pick >= range.from.pick && dateUnit.pick <= range.to.pick
}


/**
 * Check if two date range objects overlap.
 */
DatePicker.prototype.overlapRanges = function( one, two ) {

    var calendar = this

    // Convert the ranges into comparable dates.
    one = calendar.createRange( one.from, one.to )
    two = calendar.createRange( two.from, two.to )

    return calendar.withinRange( one, two.from ) || calendar.withinRange( one, two.to ) ||
        calendar.withinRange( two, one.from ) || calendar.withinRange( two, one.to )
}


/**
 * Get the date today.
 */
DatePicker.prototype.now = function( type, value, options ) {
    value = new Date()
    if ( options && options.rel ) {
        value.setDate( value.getDate() + options.rel )
    }
    return this.normalize( value, options )
}


/**
 * Navigate to next/prev month.
 */
DatePicker.prototype.navigate = function( type, value, options ) {

    var targetDateObject,
        targetYear,
        targetMonth,
        targetDate,
        isTargetArray = $.isArray( value ),
        isTargetObject = $.isPlainObject( value ),
        viewsetObject = this.item.view/*,
        safety = 100*/


    if ( isTargetArray || isTargetObject ) {

        if ( isTargetObject ) {
            targetYear = value.year
            targetMonth = value.month
            targetDate = value.date
        }
        else {
            targetYear = +value[0]
            targetMonth = +value[1]
            targetDate = +value[2]
        }

        // If we’re navigating months but the view is in a different
        // month, navigate to the view’s year and month.
        if ( options && options.nav && viewsetObject && viewsetObject.month !== targetMonth ) {
            targetYear = viewsetObject.year
            targetMonth = viewsetObject.month
        }

        // Figure out the expected target year and month.
        targetDateObject = new Date( targetYear, targetMonth + ( options && options.nav ? options.nav : 0 ), 1 )
        targetYear = targetDateObject.getFullYear()
        targetMonth = targetDateObject.getMonth()

        // If the month we’re going to doesn’t have enough days,
        // keep decreasing the date until we reach the month’s last date.
        while ( /*safety &&*/ new Date( targetYear, targetMonth, targetDate ).getMonth() !== targetMonth ) {
            targetDate -= 1
            /*safety -= 1
            if ( !safety ) {
                throw 'Fell into an infinite loop while navigating to ' + new Date( targetYear, targetMonth, targetDate ) + '.'
            }*/
        }

        value = [ targetYear, targetMonth, targetDate ]
    }

    return value
} //DatePicker.prototype.navigate


/**
 * Normalize a date by setting the hours to midnight.
 */
DatePicker.prototype.normalize = function( value/*, options*/ ) {
    value.setHours( 0, 0, 0, 0 )
    return value
}


/**
 * Measure the range of dates.
 */
DatePicker.prototype.measure = function( type, value/*, options*/ ) {

    var calendar = this

    // If it’s anything false-y, remove the limits.
    if ( !value ) {
        value = type == 'min' ? -Infinity : Infinity
    }

    // If it’s a string, parse it.
    else if ( typeof value == 'string' ) {
        value = calendar.parse( type, value )
    }

    // If it's an integer, get a date relative to today.
    else if ( _.isInteger( value ) ) {
        value = calendar.now( type, value, { rel: value } )
    }

    return value
} ///DatePicker.prototype.measure


/**
 * Create a viewset object based on navigation.
 */
DatePicker.prototype.viewset = function( type, dateObject/*, options*/ ) {
    return this.create([ dateObject.year, dateObject.month, 1 ])
}


/**
 * Validate a date as enabled and shift if needed.
 */
DatePicker.prototype.validate = function( type, dateObject, options ) {

    var calendar = this,

        // Keep a reference to the original date.
        originalDateObject = dateObject,

        // Make sure we have an interval.
        interval = options && options.interval ? options.interval : 1,

        // Check if the calendar enabled dates are inverted.
        isFlippedBase = calendar.item.enable === -1,

        // Check if we have any enabled dates after/before now.
        hasEnabledBeforeTarget, hasEnabledAfterTarget,

        // The min & max limits.
        minLimitObject = calendar.item.min,
        maxLimitObject = calendar.item.max,

        // Check if we’ve reached the limit during shifting.
        reachedMin, reachedMax,

        // Check if the calendar is inverted and at least one weekday is enabled.
        hasEnabledWeekdays = isFlippedBase && calendar.item.disable.filter( function( value ) {

            // If there’s a date, check where it is relative to the target.
            if ( $.isArray( value ) ) {
                var dateTime = calendar.create( value ).pick
                if ( dateTime < dateObject.pick ) hasEnabledBeforeTarget = true
                else if ( dateTime > dateObject.pick ) hasEnabledAfterTarget = true
            }

            // Return only integers for enabled weekdays.
            return _.isInteger( value )
        }).length/*,

        safety = 100*/



    // Cases to validate for:
    // [1] Not inverted and date disabled.
    // [2] Inverted and some dates enabled.
    // [3] Not inverted and out of range.
    //
    // Cases to **not** validate for:
    // • Navigating months.
    // • Not inverted and date enabled.
    // • Inverted and all dates disabled.
    // • ..and anything else.
    if ( !options || (!options.nav && !options.defaultValue) ) if (
        /* 1 */ ( !isFlippedBase && calendar.disabled( dateObject ) ) ||
        /* 2 */ ( isFlippedBase && calendar.disabled( dateObject ) && ( hasEnabledWeekdays || hasEnabledBeforeTarget || hasEnabledAfterTarget ) ) ||
        /* 3 */ ( !isFlippedBase && (dateObject.pick <= minLimitObject.pick || dateObject.pick >= maxLimitObject.pick) )
    ) {


        // When inverted, flip the direction if there aren’t any enabled weekdays
        // and there are no enabled dates in the direction of the interval.
        if ( isFlippedBase && !hasEnabledWeekdays && ( ( !hasEnabledAfterTarget && interval > 0 ) || ( !hasEnabledBeforeTarget && interval < 0 ) ) ) {
            interval *= -1
        }


        // Keep looping until we reach an enabled date.
        while ( /*safety &&*/ calendar.disabled( dateObject ) ) {

            /*safety -= 1
            if ( !safety ) {
                throw 'Fell into an infinite loop while validating ' + dateObject.obj + '.'
            }*/


            // If we’ve looped into the next/prev month with a large interval, return to the original date and flatten the interval.
            if ( Math.abs( interval ) > 1 && ( dateObject.month < originalDateObject.month || dateObject.month > originalDateObject.month ) ) {
                dateObject = originalDateObject
                interval = interval > 0 ? 1 : -1
            }


            // If we’ve reached the min/max limit, reverse the direction, flatten the interval and set it to the limit.
            if ( dateObject.pick <= minLimitObject.pick ) {
                reachedMin = true
                interval = 1
                dateObject = calendar.create([
                    minLimitObject.year,
                    minLimitObject.month,
                    minLimitObject.date + (dateObject.pick === minLimitObject.pick ? 0 : -1)
                ])
            }
            else if ( dateObject.pick >= maxLimitObject.pick ) {
                reachedMax = true
                interval = -1
                dateObject = calendar.create([
                    maxLimitObject.year,
                    maxLimitObject.month,
                    maxLimitObject.date + (dateObject.pick === maxLimitObject.pick ? 0 : 1)
                ])
            }


            // If we’ve reached both limits, just break out of the loop.
            if ( reachedMin && reachedMax ) {
                break
            }


            // Finally, create the shifted date using the interval and keep looping.
            dateObject = calendar.create([ dateObject.year, dateObject.month, dateObject.date + interval ])
        }

    } //endif


    // Return the date object settled on.
    return dateObject
} //DatePicker.prototype.validate


/**
 * Check if a date is disabled.
 */
DatePicker.prototype.disabled = function( dateToVerify ) {

    var
        calendar = this,

        // Filter through the disabled dates to check if this is one.
        isDisabledMatch = calendar.item.disable.filter( function( dateToDisable ) {

            // If the date is a number, match the weekday with 0index and `firstDay` check.
            if ( _.isInteger( dateToDisable ) ) {
                return dateToVerify.day === ( calendar.settings.firstDay ? dateToDisable : dateToDisable - 1 ) % 7
            }

            // If it’s an array or a native JS date, create and match the exact date.
            if ( $.isArray( dateToDisable ) || _.isDate( dateToDisable ) ) {
                return dateToVerify.pick === calendar.create( dateToDisable ).pick
            }

            // If it’s an object, match a date within the “from” and “to” range.
            if ( $.isPlainObject( dateToDisable ) ) {
                return calendar.withinRange( dateToDisable, dateToVerify )
            }
        })

    // If this date matches a disabled date, confirm it’s not inverted.
    isDisabledMatch = isDisabledMatch.length && !isDisabledMatch.filter(function( dateToDisable ) {
        return $.isArray( dateToDisable ) && dateToDisable[3] == 'inverted' ||
            $.isPlainObject( dateToDisable ) && dateToDisable.inverted
    }).length

    // Check the calendar “enabled” flag and respectively flip the
    // disabled state. Then also check if it’s beyond the min/max limits.
    return calendar.item.enable === -1 ? !isDisabledMatch : isDisabledMatch ||
        dateToVerify.pick < calendar.item.min.pick ||
        dateToVerify.pick > calendar.item.max.pick

} //DatePicker.prototype.disabled


/**
 * Parse a string into a usable type.
 */
DatePicker.prototype.parse = function( type, value, options ) {

    var calendar = this,
        parsingObject = {}

    // If it’s already parsed, we’re good.
    if ( !value || typeof value != 'string' ) {
        return value
    }

    // We need a `.format` to parse the value with.
    if ( !( options && options.format ) ) {
        options = options || {}
        options.format = calendar.settings.format
    }

    // Convert the format into an array and then map through it.
    calendar.formats.toArray( options.format ).map( function( label ) {

        var
            // Grab the formatting label.
            formattingLabel = calendar.formats[ label ],

            // The format length is from the formatting label function or the
            // label length without the escaping exclamation (!) mark.
            formatLength = formattingLabel ? _.trigger( formattingLabel, calendar, [ value, parsingObject ] ) : label.replace( /^!/, '' ).length

        // If there's a format label, split the value up to the format length.
        // Then add it to the parsing object with appropriate label.
        if ( formattingLabel ) {
            parsingObject[ label ] = value.substr( 0, formatLength )
        }

        // Update the value as the substring from format length to end.
        value = value.substr( formatLength )
    })

    // Compensate for month 0index.
    return [
        parsingObject.yyyy || parsingObject.yy,
        +( parsingObject.mm || parsingObject.m ) - 1,
        parsingObject.dd || parsingObject.d
    ]
} //DatePicker.prototype.parse


/**
 * Various formats to display the object in.
 */
DatePicker.prototype.formats = (function() {

    // Return the length of the first word in a collection.
    function getWordLengthFromCollection( string, collection, dateObject ) {

        // Grab the first word from the string.
        // Regex pattern from http://stackoverflow.com/q/150033
        var word = string.match( /[^\x00-\x7F]+|\w+/ )[ 0 ]

        // If there's no month index, add it to the date object
        if ( !dateObject.mm && !dateObject.m ) {
            dateObject.m = collection.indexOf( word ) + 1
        }

        // Return the length of the word.
        return word.length
    }

    // Get the length of the first word in a string.
    function getFirstWordLength( string ) {
        return string.match( /\w+/ )[ 0 ].length
    }

    return {

        d: function( string, dateObject ) {

            // If there's string, then get the digits length.
            // Otherwise return the selected date.
            return string ? _.digits( string ) : dateObject.date
        },
        dd: function( string, dateObject ) {

            // If there's a string, then the length is always 2.
            // Otherwise return the selected date with a leading zero.
            return string ? 2 : _.lead( dateObject.date )
        },
        ddd: function( string, dateObject ) {

            // If there's a string, then get the length of the first word.
            // Otherwise return the short selected weekday.
            return string ? getFirstWordLength( string ) : this.settings.weekdaysShort[ dateObject.day ]
        },
        dddd: function( string, dateObject ) {

            // If there's a string, then get the length of the first word.
            // Otherwise return the full selected weekday.
            return string ? getFirstWordLength( string ) : this.settings.weekdaysFull[ dateObject.day ]
        },
        m: function( string, dateObject ) {

            // If there's a string, then get the length of the digits
            // Otherwise return the selected month with 0index compensation.
            return string ? _.digits( string ) : dateObject.month + 1
        },
        mm: function( string, dateObject ) {

            // If there's a string, then the length is always 2.
            // Otherwise return the selected month with 0index and leading zero.
            return string ? 2 : _.lead( dateObject.month + 1 )
        },
        mmm: function( string, dateObject ) {

            var collection = this.settings.monthsShort

            // If there's a string, get length of the relevant month from the short
            // months collection. Otherwise return the selected month from that collection.
            return string ? getWordLengthFromCollection( string, collection, dateObject ) : collection[ dateObject.month ]
        },
        mmmm: function( string, dateObject ) {

            var collection = this.settings.monthsFull

            // If there's a string, get length of the relevant month from the full
            // months collection. Otherwise return the selected month from that collection.
            return string ? getWordLengthFromCollection( string, collection, dateObject ) : collection[ dateObject.month ]
        },
        yy: function( string, dateObject ) {

            // If there's a string, then the length is always 2.
            // Otherwise return the selected year by slicing out the first 2 digits.
            return string ? 2 : ( '' + dateObject.year ).slice( 2 )
        },
        yyyy: function( string, dateObject ) {

            // If there's a string, then the length is always 4.
            // Otherwise return the selected year.
            return string ? 4 : dateObject.year
        },

        // Create an array by splitting the formatting string passed.
        toArray: function( formatString ) { return formatString.split( /(d{1,4}|m{1,4}|y{4}|yy|!.)/g ) },

        // Format an object into a string using the formatting options.
        toString: function ( formatString, itemObject ) {
            var calendar = this
            return calendar.formats.toArray( formatString ).map( function( label ) {
                return _.trigger( calendar.formats[ label ], calendar, [ 0, itemObject ] ) || label.replace( /^!/, '' )
            }).join( '' )
        }
    }
})() //DatePicker.prototype.formats




/**
 * Check if two date units are the exact.
 */
DatePicker.prototype.isDateExact = function( one, two ) {

    var calendar = this

    // When we’re working with weekdays, do a direct comparison.
    if (
        ( _.isInteger( one ) && _.isInteger( two ) ) ||
        ( typeof one == 'boolean' && typeof two == 'boolean' )
     ) {
        return one === two
    }

    // When we’re working with date representations, compare the “pick” value.
    if (
        ( _.isDate( one ) || $.isArray( one ) ) &&
        ( _.isDate( two ) || $.isArray( two ) )
    ) {
        return calendar.create( one ).pick === calendar.create( two ).pick
    }

    // When we’re working with range objects, compare the “from” and “to”.
    if ( $.isPlainObject( one ) && $.isPlainObject( two ) ) {
        return calendar.isDateExact( one.from, two.from ) && calendar.isDateExact( one.to, two.to )
    }

    return false
}


/**
 * Check if two date units overlap.
 */
DatePicker.prototype.isDateOverlap = function( one, two ) {

    var calendar = this,
        firstDay = calendar.settings.firstDay ? 1 : 0

    // When we’re working with a weekday index, compare the days.
    if ( _.isInteger( one ) && ( _.isDate( two ) || $.isArray( two ) ) ) {
        one = one % 7 + firstDay
        return one === calendar.create( two ).day + 1
    }
    if ( _.isInteger( two ) && ( _.isDate( one ) || $.isArray( one ) ) ) {
        two = two % 7 + firstDay
        return two === calendar.create( one ).day + 1
    }

    // When we’re working with range objects, check if the ranges overlap.
    if ( $.isPlainObject( one ) && $.isPlainObject( two ) ) {
        return calendar.overlapRanges( one, two )
    }

    return false
}


/**
 * Flip the “enabled” state.
 */
DatePicker.prototype.flipEnable = function(val) {
    var itemObject = this.item
    itemObject.enable = val || (itemObject.enable == -1 ? 1 : -1)
}


/**
 * Mark a collection of dates as “disabled”.
 */
DatePicker.prototype.deactivate = function( type, datesToDisable ) {

    var calendar = this,
        disabledItems = calendar.item.disable.slice(0)


    // If we’re flipping, that’s all we need to do.
    if ( datesToDisable == 'flip' ) {
        calendar.flipEnable()
    }

    else if ( datesToDisable === false ) {
        calendar.flipEnable(1)
        disabledItems = []
    }

    else if ( datesToDisable === true ) {
        calendar.flipEnable(-1)
        disabledItems = []
    }

    // Otherwise go through the dates to disable.
    else {

        datesToDisable.map(function( unitToDisable ) {

            var matchFound

            // When we have disabled items, check for matches.
            // If something is matched, immediately break out.
            for ( var index = 0; index < disabledItems.length; index += 1 ) {
                if ( calendar.isDateExact( unitToDisable, disabledItems[index] ) ) {
                    matchFound = true
                    break
                }
            }

            // If nothing was found, add the validated unit to the collection.
            if ( !matchFound ) {
                if (
                    _.isInteger( unitToDisable ) ||
                    _.isDate( unitToDisable ) ||
                    $.isArray( unitToDisable ) ||
                    ( $.isPlainObject( unitToDisable ) && unitToDisable.from && unitToDisable.to )
                ) {
                    disabledItems.push( unitToDisable )
                }
            }
        })
    }

    // Return the updated collection.
    return disabledItems
} //DatePicker.prototype.deactivate


/**
 * Mark a collection of dates as “enabled”.
 */
DatePicker.prototype.activate = function( type, datesToEnable ) {

    var calendar = this,
        disabledItems = calendar.item.disable,
        disabledItemsCount = disabledItems.length

    // If we’re flipping, that’s all we need to do.
    if ( datesToEnable == 'flip' ) {
        calendar.flipEnable()
    }

    else if ( datesToEnable === true ) {
        calendar.flipEnable(1)
        disabledItems = []
    }

    else if ( datesToEnable === false ) {
        calendar.flipEnable(-1)
        disabledItems = []
    }

    // Otherwise go through the disabled dates.
    else {

        datesToEnable.map(function( unitToEnable ) {

            var matchFound,
                disabledUnit,
                index,
                isExactRange

            // Go through the disabled items and try to find a match.
            for ( index = 0; index < disabledItemsCount; index += 1 ) {

                disabledUnit = disabledItems[index]

                // When an exact match is found, remove it from the collection.
                if ( calendar.isDateExact( disabledUnit, unitToEnable ) ) {
                    matchFound = disabledItems[index] = null
                    isExactRange = true
                    break
                }

                // When an overlapped match is found, add the “inverted” state to it.
                else if ( calendar.isDateOverlap( disabledUnit, unitToEnable ) ) {
                    if ( $.isPlainObject( unitToEnable ) ) {
                        unitToEnable.inverted = true
                        matchFound = unitToEnable
                    }
                    else if ( $.isArray( unitToEnable ) ) {
                        matchFound = unitToEnable
                        if ( !matchFound[3] ) matchFound.push( 'inverted' )
                    }
                    else if ( _.isDate( unitToEnable ) ) {
                        matchFound = [ unitToEnable.getFullYear(), unitToEnable.getMonth(), unitToEnable.getDate(), 'inverted' ]
                    }
                    break
                }
            }

            // If a match was found, remove a previous duplicate entry.
            if ( matchFound ) for ( index = 0; index < disabledItemsCount; index += 1 ) {
                if ( calendar.isDateExact( disabledItems[index], unitToEnable ) ) {
                    disabledItems[index] = null
                    break
                }
            }

            // In the event that we’re dealing with an exact range of dates,
            // make sure there are no “inverted” dates because of it.
            if ( isExactRange ) for ( index = 0; index < disabledItemsCount; index += 1 ) {
                if ( calendar.isDateOverlap( disabledItems[index], unitToEnable ) ) {
                    disabledItems[index] = null
                    break
                }
            }

            // If something is still matched, add it into the collection.
            if ( matchFound ) {
                disabledItems.push( matchFound )
            }
        })
    }

    // Return the updated collection.
    return disabledItems.filter(function( val ) { return val != null })
} //DatePicker.prototype.activate


/**
 * Create a string for the nodes in the picker.
 */
DatePicker.prototype.nodes = function( isOpen ) {

    var
        calendar = this,
        settings = calendar.settings,
        calendarItem = calendar.item,
        nowObject = calendarItem.now,
        selectedObject = calendarItem.select,
        highlightedObject = calendarItem.highlight,
        viewsetObject = calendarItem.view,
        disabledCollection = calendarItem.disable,
        minLimitObject = calendarItem.min,
        maxLimitObject = calendarItem.max,


        // Create the calendar table head using a copy of weekday labels collection.
        // * We do a copy so we don't mutate the original array.
        tableHead = (function( collection, fullCollection ) {

            // If the first day should be Monday, move Sunday to the end.
            if ( settings.firstDay ) {
                collection.push( collection.shift() )
                fullCollection.push( fullCollection.shift() )
            }

            // Create and return the table head group.
            return _.node(
                'thead',
                _.node(
                    'tr',
                    _.group({
                        min: 0,
                        max: DAYS_IN_WEEK - 1,
                        i: 1,
                        node: 'th',
                        item: function( counter ) {
                            return [
                                collection[ counter ],
                                settings.klass.weekdays,
                                'scope=col title="' + fullCollection[ counter ] + '"'
                            ]
                        }
                    })
                )
            ) //endreturn
        })( ( settings.showWeekdaysFull ? settings.weekdaysFull : settings.weekdaysShort ).slice( 0 ), settings.weekdaysFull.slice( 0 ) ), //tableHead


        // Create the nav for next/prev month.
        createMonthNav = function( next ) {

            // Otherwise, return the created month tag.
            return _.node(
                'div',
                ' ',
                settings.klass[ 'nav' + ( next ? 'Next' : 'Prev' ) ] + (

                    // If the focused month is outside the range, disabled the button.
                    ( next && viewsetObject.year >= maxLimitObject.year && viewsetObject.month >= maxLimitObject.month ) ||
                    ( !next && viewsetObject.year <= minLimitObject.year && viewsetObject.month <= minLimitObject.month ) ?
                    ' ' + settings.klass.navDisabled : ''
                ),
                'data-nav=' + ( next || -1 ) + ' ' +
                _.ariaAttr({
                    role: 'button',
                    controls: calendar.$node[0].id + '_table'
                }) + ' ' +
                'title="' + (next ? settings.labelMonthNext : settings.labelMonthPrev ) + '"'
            ) //endreturn
        }, //createMonthNav


        // Create the month label.
        createMonthLabel = function() {

            var monthsCollection = settings.showMonthsShort ? settings.monthsShort : settings.monthsFull

            // If there are months to select, add a dropdown menu.
            if ( settings.selectMonths ) {

                return _.node( 'select',
                    _.group({
                        min: 0,
                        max: 11,
                        i: 1,
                        node: 'option',
                        item: function( loopedMonth ) {

                            return [

                                // The looped month and no classes.
                                monthsCollection[ loopedMonth ], 0,

                                // Set the value and selected index.
                                'value=' + loopedMonth +
                                ( viewsetObject.month == loopedMonth ? ' selected' : '' ) +
                                (
                                    (
                                        ( viewsetObject.year == minLimitObject.year && loopedMonth < minLimitObject.month ) ||
                                        ( viewsetObject.year == maxLimitObject.year && loopedMonth > maxLimitObject.month )
                                    ) ?
                                    ' disabled' : ''
                                )
                            ]
                        }
                    }),
                    settings.klass.selectMonth,
                    ( isOpen ? '' : 'disabled' ) + ' ' +
                    _.ariaAttr({ controls: calendar.$node[0].id + '_table' }) + ' ' +
                    'title="' + settings.labelMonthSelect + '"'
                )
            }

            // If there's a need for a month selector
            return _.node( 'div', monthsCollection[ viewsetObject.month ], settings.klass.month )
        }, //createMonthLabel


        // Create the year label.
        createYearLabel = function() {

            var focusedYear = viewsetObject.year,

            // If years selector is set to a literal "true", set it to 5. Otherwise
            // divide in half to get half before and half after focused year.
            numberYears = settings.selectYears === true ? 5 : ~~( settings.selectYears / 2 )

            // If there are years to select, add a dropdown menu.
            if ( numberYears ) {

                var
                    minYear = minLimitObject.year,
                    maxYear = maxLimitObject.year,
                    lowestYear = focusedYear - numberYears,
                    highestYear = focusedYear + numberYears

                // If the min year is greater than the lowest year, increase the highest year
                // by the difference and set the lowest year to the min year.
                if ( minYear > lowestYear ) {
                    highestYear += minYear - lowestYear
                    lowestYear = minYear
                }

                // If the max year is less than the highest year, decrease the lowest year
                // by the lower of the two: available and needed years. Then set the
                // highest year to the max year.
                if ( maxYear < highestYear ) {

                    var availableYears = lowestYear - minYear,
                        neededYears = highestYear - maxYear

                    lowestYear -= availableYears > neededYears ? neededYears : availableYears
                    highestYear = maxYear
                }

                return _.node( 'select',
                    _.group({
                        min: lowestYear,
                        max: highestYear,
                        i: 1,
                        node: 'option',
                        item: function( loopedYear ) {
                            return [

                                // The looped year and no classes.
                                loopedYear, 0,

                                // Set the value and selected index.
                                'value=' + loopedYear + ( focusedYear == loopedYear ? ' selected' : '' )
                            ]
                        }
                    }),
                    settings.klass.selectYear,
                    ( isOpen ? '' : 'disabled' ) + ' ' + _.ariaAttr({ controls: calendar.$node[0].id + '_table' }) + ' ' +
                    'title="' + settings.labelYearSelect + '"'
                )
            }

            // Otherwise just return the year focused
            return _.node( 'div', focusedYear, settings.klass.year )
        } //createYearLabel


    // Create and return the entire calendar.
    return _.node(
        'div',
        ( settings.selectYears ? createYearLabel() + createMonthLabel() : createMonthLabel() + createYearLabel() ) +
        createMonthNav() + createMonthNav( 1 ),
        settings.klass.header
    ) + _.node(
        'table',
        tableHead +
        _.node(
            'tbody',
            _.group({
                min: 0,
                max: WEEKS_IN_CALENDAR - 1,
                i: 1,
                node: 'tr',
                item: function( rowCounter ) {

                    // If Monday is the first day and the month starts on Sunday, shift the date back a week.
                    var shiftDateBy = settings.firstDay && calendar.create([ viewsetObject.year, viewsetObject.month, 1 ]).day === 0 ? -7 : 0

                    return [
                        _.group({
                            min: DAYS_IN_WEEK * rowCounter - viewsetObject.day + shiftDateBy + 1, // Add 1 for weekday 0index
                            max: function() {
                                return this.min + DAYS_IN_WEEK - 1
                            },
                            i: 1,
                            node: 'td',
                            item: function( targetDate ) {

                                // Convert the time date from a relative date to a target date.
                                targetDate = calendar.create([ viewsetObject.year, viewsetObject.month, targetDate + ( settings.firstDay ? 1 : 0 ) ])

                                var isSelected = selectedObject && selectedObject.pick == targetDate.pick,
                                    isHighlighted = highlightedObject && highlightedObject.pick == targetDate.pick,
                                    isDisabled = disabledCollection && calendar.disabled( targetDate ) || targetDate.pick < minLimitObject.pick || targetDate.pick > maxLimitObject.pick,
                                    formattedDate = _.trigger( calendar.formats.toString, calendar, [ settings.format, targetDate ] )

                                return [
                                    _.node(
                                        'div',
                                        targetDate.date,
                                        (function( klasses ) {

                                            // Add the `infocus` or `outfocus` classes based on month in view.
                                            klasses.push( viewsetObject.month == targetDate.month ? settings.klass.infocus : settings.klass.outfocus )

                                            // Add the `today` class if needed.
                                            if ( nowObject.pick == targetDate.pick ) {
                                                klasses.push( settings.klass.now )
                                            }

                                            // Add the `selected` class if something's selected and the time matches.
                                            if ( isSelected ) {
                                                klasses.push( settings.klass.selected )
                                            }

                                            // Add the `highlighted` class if something's highlighted and the time matches.
                                            if ( isHighlighted ) {
                                                klasses.push( settings.klass.highlighted )
                                            }

                                            // Add the `disabled` class if something's disabled and the object matches.
                                            if ( isDisabled ) {
                                                klasses.push( settings.klass.disabled )
                                            }

                                            return klasses.join( ' ' )
                                        })([ settings.klass.day ]),
                                        'data-pick=' + targetDate.pick + ' ' + _.ariaAttr({
                                            role: 'gridcell',
                                            label: formattedDate,
                                            selected: isSelected && calendar.$node.val() === formattedDate ? true : null,
                                            activedescendant: isHighlighted ? true : null,
                                            disabled: isDisabled ? true : null
                                        })
                                    ),
                                    '',
                                    _.ariaAttr({ role: 'presentation' })
                                ] //endreturn
                            }
                        })
                    ] //endreturn
                }
            })
        ),
        settings.klass.table,
        'id="' + calendar.$node[0].id + '_table' + '" ' + _.ariaAttr({
            role: 'grid',
            controls: calendar.$node[0].id,
            readonly: true
        })
    ) +

    // * For Firefox forms to submit, make sure to set the buttons’ `type` attributes as “button”.
    _.node(
        'div',
        _.node( 'button', settings.today, settings.klass.buttonToday,
            'type=button data-pick=' + nowObject.pick +
            ( isOpen && !calendar.disabled(nowObject) ? '' : ' disabled' ) + ' ' +
            _.ariaAttr({ controls: calendar.$node[0].id }) ) +
        _.node( 'button', settings.clear, settings.klass.buttonClear,
            'type=button data-clear=1' +
            ( isOpen ? '' : ' disabled' ) + ' ' +
            _.ariaAttr({ controls: calendar.$node[0].id }) ) +
        _.node('button', settings.close, settings.klass.buttonClose,
            'type=button data-close=true ' +
            ( isOpen ? '' : ' disabled' ) + ' ' +
            _.ariaAttr({ controls: calendar.$node[0].id }) ),
        settings.klass.footer
    ) //endreturn
} //DatePicker.prototype.nodes




/**
 * The date picker defaults.
 */
DatePicker.defaults = (function( prefix ) {

    return {

        // The title label to use for the month nav buttons
        labelMonthNext: 'Next month',
        labelMonthPrev: 'Previous month',

        // The title label to use for the dropdown selectors
        labelMonthSelect: 'Select a month',
        labelYearSelect: 'Select a year',

        // Months and weekdays
        monthsFull: [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ],
        monthsShort: [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ],
        weekdaysFull: [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ],
        weekdaysShort: [ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' ],

        // Today and clear
        today: 'Today',
        clear: 'Clear',
        close: 'Close',

        // Picker close behavior
        closeOnSelect: true,
        closeOnClear: true,

        // The format to show on the `input` element
        format: 'd mmmm, yyyy',

        // Classes
        klass: {

            table: prefix + 'table',

            header: prefix + 'header',

            navPrev: prefix + 'nav--prev',
            navNext: prefix + 'nav--next',
            navDisabled: prefix + 'nav--disabled',

            month: prefix + 'month',
            year: prefix + 'year',

            selectMonth: prefix + 'select--month',
            selectYear: prefix + 'select--year',

            weekdays: prefix + 'weekday',

            day: prefix + 'day',
            disabled: prefix + 'day--disabled',
            selected: prefix + 'day--selected',
            highlighted: prefix + 'day--highlighted',
            now: prefix + 'day--today',
            infocus: prefix + 'day--infocus',
            outfocus: prefix + 'day--outfocus',

            footer: prefix + 'footer',

            buttonClear: prefix + 'button--clear',
            buttonToday: prefix + 'button--today',
            buttonClose: prefix + 'button--close'
        }
    }
})( Picker.klasses().picker + '__' )





/**
 * Extend the picker to add the date picker.
 */
Picker.extend( 'pickadate', DatePicker )


}));




/*!
 * Time picker for pickadate.js v3.5.6
 * http://amsul.github.io/pickadate.js/time.htm
 */

(function ( factory ) {

    // AMD.
    if ( typeof define == 'function' && define.amd )
        define( ['picker', 'jquery'], factory )

    // Node.js/browserify.
    else if ( typeof exports == 'object' )
        module.exports = factory( require('./picker.js'), require('jquery') )

    // Browser globals.
    else factory( Picker, jQuery )

}(function( Picker, $ ) {


/**
 * Globals and constants
 */
var HOURS_IN_DAY = 24,
    MINUTES_IN_HOUR = 60,
    HOURS_TO_NOON = 12,
    MINUTES_IN_DAY = HOURS_IN_DAY * MINUTES_IN_HOUR,
    _ = Picker._



/**
 * The time picker constructor
 */
function TimePicker( picker, settings ) {

    var clock = this,
        elementValue = picker.$node[ 0 ].value,
        elementDataValue = picker.$node.data( 'value' ),
        valueString = elementDataValue || elementValue,
        formatString = elementDataValue ? settings.formatSubmit : settings.format

    clock.settings = settings
    clock.$node = picker.$node

    // The queue of methods that will be used to build item objects.
    clock.queue = {
        interval: 'i',
        min: 'measure create',
        max: 'measure create',
        now: 'now create',
        select: 'parse create validate',
        highlight: 'parse create validate',
        view: 'parse create validate',
        disable: 'deactivate',
        enable: 'activate'
    }

    // The component's item object.
    clock.item = {}

    clock.item.clear = null
    clock.item.interval = settings.interval || 30
    clock.item.disable = ( settings.disable || [] ).slice( 0 )
    clock.item.enable = -(function( collectionDisabled ) {
        return collectionDisabled[ 0 ] === true ? collectionDisabled.shift() : -1
    })( clock.item.disable )

    clock.
        set( 'min', settings.min ).
        set( 'max', settings.max ).
        set( 'now' )

    // When there’s a value, set the `select`, which in turn
    // also sets the `highlight` and `view`.
    if ( valueString ) {
        clock.set( 'select', valueString, {
            format: formatString
        })
    }

    // If there’s no value, default to highlighting “today”.
    else {
        clock.
            set( 'select', null ).
            set( 'highlight', clock.item.now )
    }

    // The keycode to movement mapping.
    clock.key = {
        40: 1, // Down
        38: -1, // Up
        39: 1, // Right
        37: -1, // Left
        go: function( timeChange ) {
            clock.set(
                'highlight',
                clock.item.highlight.pick + timeChange * clock.item.interval,
                { interval: timeChange * clock.item.interval }
            )
            this.render()
        }
    }


    // Bind some picker events.
    picker.
        on( 'render', function() {
            var $pickerHolder = picker.$root.children(),
                $viewset = $pickerHolder.find( '.' + settings.klass.viewset ),
                vendors = function( prop ) {
                    return ['webkit', 'moz', 'ms', 'o', ''].map(function( vendor ) {
                        return ( vendor ? '-' + vendor + '-' : '' ) + prop
                    })
                },
                animations = function( $el, state ) {
                    vendors( 'transform' ).map(function( prop ) {
                        $el.css( prop, state )
                    })
                    vendors( 'transition' ).map(function( prop ) {
                        $el.css( prop, state )
                    })
                }
            if ( $viewset.length ) {
                animations( $pickerHolder, 'none' )
                $pickerHolder[ 0 ].scrollTop = ~~$viewset.position().top - ( $viewset[ 0 ].clientHeight * 2 )
                animations( $pickerHolder, '' )
            }
        }, 1 ).
        on( 'open', function() {
            picker.$root.find( 'button' ).attr( 'disabled', false )
        }, 1 ).
        on( 'close', function() {
            picker.$root.find( 'button' ).attr( 'disabled', true )
        }, 1 )

} //TimePicker


/**
 * Set a timepicker item object.
 */
TimePicker.prototype.set = function( type, value, options ) {

    var clock = this,
        clockItem = clock.item

    // If the value is `null` just set it immediately.
    if ( value === null ) {
        if ( type == 'clear' ) type = 'select'
        clockItem[ type ] = value
        return clock
    }

    // Otherwise go through the queue of methods, and invoke the functions.
    // Update this as the time unit, and set the final value as this item.
    // * In the case of `enable`, keep the queue but set `disable` instead.
    //   And in the case of `flip`, keep the queue but set `enable` instead.
    clockItem[ ( type == 'enable' ? 'disable' : type == 'flip' ? 'enable' : type ) ] = clock.queue[ type ].split( ' ' ).map( function( method ) {
        value = clock[ method ]( type, value, options )
        return value
    }).pop()

    // Check if we need to cascade through more updates.
    if ( type == 'select' ) {
        clock.set( 'highlight', clockItem.select, options )
    }
    else if ( type == 'highlight' ) {
        clock.set( 'view', clockItem.highlight, options )
    }
    else if ( type == 'interval' ) {
        clock.
            set( 'min', clockItem.min, options ).
            set( 'max', clockItem.max, options )
    }
    else if ( type.match( /^(flip|min|max|disable|enable)$/ ) ) {
        if ( clockItem.select && clock.disabled( clockItem.select ) ) {
            clock.set( 'select', value, options )
        }
        if ( clockItem.highlight && clock.disabled( clockItem.highlight ) ) {
            clock.set( 'highlight', value, options )
        }
        if ( type == 'min' ) {
            clock.set( 'max', clockItem.max, options )
        }
    }

    return clock
} //TimePicker.prototype.set


/**
 * Get a timepicker item object.
 */
TimePicker.prototype.get = function( type ) {
    return this.item[ type ]
} //TimePicker.prototype.get


/**
 * Create a picker time object.
 */
TimePicker.prototype.create = function( type, value, options ) {

    var clock = this

    // If there’s no value, use the type as the value.
    value = value === undefined ? type : value

    // If it’s a date object, convert it into an array.
    if ( _.isDate( value ) ) {
        value = [ value.getHours(), value.getMinutes() ]
    }

    // If it’s an object, use the “pick” value.
    if ( $.isPlainObject( value ) && _.isInteger( value.pick ) ) {
        value = value.pick
    }

    // If it’s an array, convert it into minutes.
    else if ( $.isArray( value ) ) {
        value = +value[ 0 ] * MINUTES_IN_HOUR + (+value[ 1 ])
    }

    // If no valid value is passed, set it to “now”.
    else if ( !_.isInteger( value ) ) {
        value = clock.now( type, value, options )
    }

    // If we’re setting the max, make sure it’s greater than the min.
    if ( type == 'max' && value < clock.item.min.pick ) {
        value += MINUTES_IN_DAY
    }

    // If the value doesn’t fall directly on the interval,
    // add one interval to indicate it as “passed”.
    if ( type != 'min' && type != 'max' && (value - clock.item.min.pick) % clock.item.interval !== 0 ) {
        value += clock.item.interval
    }

    // Normalize it into a “reachable” interval.
    value = clock.normalize( type, value, options )

    // Return the compiled object.
    return {

        // Divide to get hours from minutes.
        hour: ~~( HOURS_IN_DAY + value / MINUTES_IN_HOUR ) % HOURS_IN_DAY,

        // The remainder is the minutes.
        mins: ( MINUTES_IN_HOUR + value % MINUTES_IN_HOUR ) % MINUTES_IN_HOUR,

        // The time in total minutes.
        time: ( MINUTES_IN_DAY + value ) % MINUTES_IN_DAY,

        // Reference to the “relative” value to pick.
        pick: value % MINUTES_IN_DAY
    }
} //TimePicker.prototype.create


/**
 * Create a range limit object using an array, date object,
 * literal “true”, or integer relative to another time.
 */
TimePicker.prototype.createRange = function( from, to ) {

    var clock = this,
        createTime = function( time ) {
            if ( time === true || $.isArray( time ) || _.isDate( time ) ) {
                return clock.create( time )
            }
            return time
        }

    // Create objects if possible.
    if ( !_.isInteger( from ) ) {
        from = createTime( from )
    }
    if ( !_.isInteger( to ) ) {
        to = createTime( to )
    }

    // Create relative times.
    if ( _.isInteger( from ) && $.isPlainObject( to ) ) {
        from = [ to.hour, to.mins + ( from * clock.settings.interval ) ];
    }
    else if ( _.isInteger( to ) && $.isPlainObject( from ) ) {
        to = [ from.hour, from.mins + ( to * clock.settings.interval ) ];
    }

    return {
        from: createTime( from ),
        to: createTime( to )
    }
} //TimePicker.prototype.createRange


/**
 * Check if a time unit falls within a time range object.
 */
TimePicker.prototype.withinRange = function( range, timeUnit ) {
    range = this.createRange(range.from, range.to)
    return timeUnit.pick >= range.from.pick && timeUnit.pick <= range.to.pick
}


/**
 * Check if two time range objects overlap.
 */
TimePicker.prototype.overlapRanges = function( one, two ) {

    var clock = this

    // Convert the ranges into comparable times.
    one = clock.createRange( one.from, one.to )
    two = clock.createRange( two.from, two.to )

    return clock.withinRange( one, two.from ) || clock.withinRange( one, two.to ) ||
        clock.withinRange( two, one.from ) || clock.withinRange( two, one.to )
}


/**
 * Get the time relative to now.
 */
TimePicker.prototype.now = function( type, value/*, options*/ ) {

    var interval = this.item.interval,
        date = new Date(),
        nowMinutes = date.getHours() * MINUTES_IN_HOUR + date.getMinutes(),
        isValueInteger = _.isInteger( value ),
        isBelowInterval

    // Make sure “now” falls within the interval range.
    nowMinutes -= nowMinutes % interval

    // Check if the difference is less than the interval itself.
    isBelowInterval = value < 0 && interval * value + nowMinutes <= -interval

    // Add an interval because the time has “passed”.
    nowMinutes += type == 'min' && isBelowInterval ? 0 : interval

    // If the value is a number, adjust by that many intervals.
    if ( isValueInteger ) {
        nowMinutes += interval * (
            isBelowInterval && type != 'max' ?
                value + 1 :
                value
            )
    }

    // Return the final calculation.
    return nowMinutes
} //TimePicker.prototype.now


/**
 * Normalize minutes to be “reachable” based on the min and interval.
 */
TimePicker.prototype.normalize = function( type, value/*, options*/ ) {

    var interval = this.item.interval,
        minTime = this.item.min && this.item.min.pick || 0

    // If setting min time, don’t shift anything.
    // Otherwise get the value and min difference and then
    // normalize the difference with the interval.
    value -= type == 'min' ? 0 : ( value - minTime ) % interval

    // Return the adjusted value.
    return value
} //TimePicker.prototype.normalize


/**
 * Measure the range of minutes.
 */
TimePicker.prototype.measure = function( type, value, options ) {

    var clock = this

    // If it’s anything false-y, set it to the default.
    if ( !value ) {
        value = type == 'min' ? [ 0, 0 ] : [ HOURS_IN_DAY - 1, MINUTES_IN_HOUR - 1 ]
    }

    // If it’s a string, parse it.
    if ( typeof value == 'string' ) {
        value = clock.parse( type, value )
    }

    // If it’s a literal true, or an integer, make it relative to now.
    else if ( value === true || _.isInteger( value ) ) {
        value = clock.now( type, value, options )
    }

    // If it’s an object already, just normalize it.
    else if ( $.isPlainObject( value ) && _.isInteger( value.pick ) ) {
        value = clock.normalize( type, value.pick, options )
    }

    return value
} ///TimePicker.prototype.measure


/**
 * Validate an object as enabled.
 */
TimePicker.prototype.validate = function( type, timeObject, options ) {

    var clock = this,
        interval = options && options.interval ? options.interval : clock.item.interval

    // Check if the object is disabled.
    if ( clock.disabled( timeObject ) ) {

        // Shift with the interval until we reach an enabled time.
        timeObject = clock.shift( timeObject, interval )
    }

    // Scope the object into range.
    timeObject = clock.scope( timeObject )

    // Do a second check to see if we landed on a disabled min/max.
    // In that case, shift using the opposite interval as before.
    if ( clock.disabled( timeObject ) ) {
        timeObject = clock.shift( timeObject, interval * -1 )
    }

    // Return the final object.
    return timeObject
} //TimePicker.prototype.validate


/**
 * Check if an object is disabled.
 */
TimePicker.prototype.disabled = function( timeToVerify ) {

    var clock = this,

        // Filter through the disabled times to check if this is one.
        isDisabledMatch = clock.item.disable.filter( function( timeToDisable ) {

            // If the time is a number, match the hours.
            if ( _.isInteger( timeToDisable ) ) {
                return timeToVerify.hour == timeToDisable
            }

            // If it’s an array, create the object and match the times.
            if ( $.isArray( timeToDisable ) || _.isDate( timeToDisable ) ) {
                return timeToVerify.pick == clock.create( timeToDisable ).pick
            }

            // If it’s an object, match a time within the “from” and “to” range.
            if ( $.isPlainObject( timeToDisable ) ) {
                return clock.withinRange( timeToDisable, timeToVerify )
            }
        })

    // If this time matches a disabled time, confirm it’s not inverted.
    isDisabledMatch = isDisabledMatch.length && !isDisabledMatch.filter(function( timeToDisable ) {
        return $.isArray( timeToDisable ) && timeToDisable[2] == 'inverted' ||
            $.isPlainObject( timeToDisable ) && timeToDisable.inverted
    }).length

    // If the clock is "enabled" flag is flipped, flip the condition.
    return clock.item.enable === -1 ? !isDisabledMatch : isDisabledMatch ||
        timeToVerify.pick < clock.item.min.pick ||
        timeToVerify.pick > clock.item.max.pick
} //TimePicker.prototype.disabled


/**
 * Shift an object by an interval until we reach an enabled object.
 */
TimePicker.prototype.shift = function( timeObject, interval ) {

    var clock = this,
        minLimit = clock.item.min.pick,
        maxLimit = clock.item.max.pick/*,
        safety = 1000*/

    interval = interval || clock.item.interval

    // Keep looping as long as the time is disabled.
    while ( /*safety &&*/ clock.disabled( timeObject ) ) {

        /*safety -= 1
        if ( !safety ) {
            throw 'Fell into an infinite loop while shifting to ' + timeObject.hour + ':' + timeObject.mins + '.'
        }*/

        // Increase/decrease the time by the interval and keep looping.
        timeObject = clock.create( timeObject.pick += interval )

        // If we've looped beyond the limits, break out of the loop.
        if ( timeObject.pick <= minLimit || timeObject.pick >= maxLimit ) {
            break
        }
    }

    // Return the final object.
    return timeObject
} //TimePicker.prototype.shift


/**
 * Scope an object to be within range of min and max.
 */
TimePicker.prototype.scope = function( timeObject ) {
    var minLimit = this.item.min.pick,
        maxLimit = this.item.max.pick
    return this.create( timeObject.pick > maxLimit ? maxLimit : timeObject.pick < minLimit ? minLimit : timeObject )
} //TimePicker.prototype.scope


/**
 * Parse a string into a usable type.
 */
TimePicker.prototype.parse = function( type, value, options ) {

    var hour, minutes, isPM, item, parseValue,
        clock = this,
        parsingObject = {}

    // If it’s already parsed, we’re good.
    if ( !value || typeof value != 'string' ) {
        return value
    }

    // We need a `.format` to parse the value with.
    if ( !( options && options.format ) ) {
        options = options || {}
        options.format = clock.settings.format
    }

    // Convert the format into an array and then map through it.
    clock.formats.toArray( options.format ).map( function( label ) {

        var
            substring,

            // Grab the formatting label.
            formattingLabel = clock.formats[ label ],

            // The format length is from the formatting label function or the
            // label length without the escaping exclamation (!) mark.
            formatLength = formattingLabel ?
                _.trigger( formattingLabel, clock, [ value, parsingObject ] ) :
                label.replace( /^!/, '' ).length

        // If there's a format label, split the value up to the format length.
        // Then add it to the parsing object with appropriate label.
        if ( formattingLabel ) {
            substring = value.substr( 0, formatLength )
            parsingObject[ label ] = substring.match(/^\d+$/) ? +substring : substring
        }

        // Update the time value as the substring from format length to end.
        value = value.substr( formatLength )
    })

    // Grab the hour and minutes from the parsing object.
    for ( item in parsingObject ) {
        parseValue = parsingObject[item]
        if ( _.isInteger(parseValue) ) {
            if ( item.match(/^(h|hh)$/i) ) {
                hour = parseValue
                if ( item == 'h' || item == 'hh' ) {
                    hour %= 12
                }
            }
            else if ( item == 'i' ) {
                minutes = parseValue
            }
        }
        else if ( item.match(/^a$/i) && parseValue.match(/^p/i) && ('h' in parsingObject || 'hh' in parsingObject) ) {
            isPM = true
        }
    }

    // Calculate it in minutes and return.
    return (isPM ? hour + 12 : hour) * MINUTES_IN_HOUR + minutes
} //TimePicker.prototype.parse


/**
 * Various formats to display the object in.
 */
TimePicker.prototype.formats = {

    h: function( string, timeObject ) {

        // If there's string, then get the digits length.
        // Otherwise return the selected hour in "standard" format.
        return string ? _.digits( string ) : timeObject.hour % HOURS_TO_NOON || HOURS_TO_NOON
    },
    hh: function( string, timeObject ) {

        // If there's a string, then the length is always 2.
        // Otherwise return the selected hour in "standard" format with a leading zero.
        return string ? 2 : _.lead( timeObject.hour % HOURS_TO_NOON || HOURS_TO_NOON )
    },
    H: function( string, timeObject ) {

        // If there's string, then get the digits length.
        // Otherwise return the selected hour in "military" format as a string.
        return string ? _.digits( string ) : '' + ( timeObject.hour % 24 )
    },
    HH: function( string, timeObject ) {

        // If there's string, then get the digits length.
        // Otherwise return the selected hour in "military" format with a leading zero.
        return string ? _.digits( string ) : _.lead( timeObject.hour % 24 )
    },
    i: function( string, timeObject ) {

        // If there's a string, then the length is always 2.
        // Otherwise return the selected minutes.
        return string ? 2 : _.lead( timeObject.mins )
    },
    a: function( string, timeObject ) {

        // If there's a string, then the length is always 4.
        // Otherwise check if it's more than "noon" and return either am/pm.
        return string ? 4 : MINUTES_IN_DAY / 2 > timeObject.time % MINUTES_IN_DAY ? 'a.m.' : 'p.m.'
    },
    A: function( string, timeObject ) {

        // If there's a string, then the length is always 2.
        // Otherwise check if it's more than "noon" and return either am/pm.
        return string ? 2 : MINUTES_IN_DAY / 2 > timeObject.time % MINUTES_IN_DAY ? 'AM' : 'PM'
    },

    // Create an array by splitting the formatting string passed.
    toArray: function( formatString ) { return formatString.split( /(h{1,2}|H{1,2}|i|a|A|!.)/g ) },

    // Format an object into a string using the formatting options.
    toString: function ( formatString, itemObject ) {
        var clock = this
        return clock.formats.toArray( formatString ).map( function( label ) {
            return _.trigger( clock.formats[ label ], clock, [ 0, itemObject ] ) || label.replace( /^!/, '' )
        }).join( '' )
    }
} //TimePicker.prototype.formats




/**
 * Check if two time units are the exact.
 */
TimePicker.prototype.isTimeExact = function( one, two ) {

    var clock = this

    // When we’re working with minutes, do a direct comparison.
    if (
        ( _.isInteger( one ) && _.isInteger( two ) ) ||
        ( typeof one == 'boolean' && typeof two == 'boolean' )
     ) {
        return one === two
    }

    // When we’re working with time representations, compare the “pick” value.
    if (
        ( _.isDate( one ) || $.isArray( one ) ) &&
        ( _.isDate( two ) || $.isArray( two ) )
    ) {
        return clock.create( one ).pick === clock.create( two ).pick
    }

    // When we’re working with range objects, compare the “from” and “to”.
    if ( $.isPlainObject( one ) && $.isPlainObject( two ) ) {
        return clock.isTimeExact( one.from, two.from ) && clock.isTimeExact( one.to, two.to )
    }

    return false
}


/**
 * Check if two time units overlap.
 */
TimePicker.prototype.isTimeOverlap = function( one, two ) {

    var clock = this

    // When we’re working with an integer, compare the hours.
    if ( _.isInteger( one ) && ( _.isDate( two ) || $.isArray( two ) ) ) {
        return one === clock.create( two ).hour
    }
    if ( _.isInteger( two ) && ( _.isDate( one ) || $.isArray( one ) ) ) {
        return two === clock.create( one ).hour
    }

    // When we’re working with range objects, check if the ranges overlap.
    if ( $.isPlainObject( one ) && $.isPlainObject( two ) ) {
        return clock.overlapRanges( one, two )
    }

    return false
}


/**
 * Flip the “enabled” state.
 */
TimePicker.prototype.flipEnable = function(val) {
    var itemObject = this.item
    itemObject.enable = val || (itemObject.enable == -1 ? 1 : -1)
}


/**
 * Mark a collection of times as “disabled”.
 */
TimePicker.prototype.deactivate = function( type, timesToDisable ) {

    var clock = this,
        disabledItems = clock.item.disable.slice(0)


    // If we’re flipping, that’s all we need to do.
    if ( timesToDisable == 'flip' ) {
        clock.flipEnable()
    }

    else if ( timesToDisable === false ) {
        clock.flipEnable(1)
        disabledItems = []
    }

    else if ( timesToDisable === true ) {
        clock.flipEnable(-1)
        disabledItems = []
    }

    // Otherwise go through the times to disable.
    else {

        timesToDisable.map(function( unitToDisable ) {

            var matchFound

            // When we have disabled items, check for matches.
            // If something is matched, immediately break out.
            for ( var index = 0; index < disabledItems.length; index += 1 ) {
                if ( clock.isTimeExact( unitToDisable, disabledItems[index] ) ) {
                    matchFound = true
                    break
                }
            }

            // If nothing was found, add the validated unit to the collection.
            if ( !matchFound ) {
                if (
                    _.isInteger( unitToDisable ) ||
                    _.isDate( unitToDisable ) ||
                    $.isArray( unitToDisable ) ||
                    ( $.isPlainObject( unitToDisable ) && unitToDisable.from && unitToDisable.to )
                ) {
                    disabledItems.push( unitToDisable )
                }
            }
        })
    }

    // Return the updated collection.
    return disabledItems
} //TimePicker.prototype.deactivate


/**
 * Mark a collection of times as “enabled”.
 */
TimePicker.prototype.activate = function( type, timesToEnable ) {

    var clock = this,
        disabledItems = clock.item.disable,
        disabledItemsCount = disabledItems.length

    // If we’re flipping, that’s all we need to do.
    if ( timesToEnable == 'flip' ) {
        clock.flipEnable()
    }

    else if ( timesToEnable === true ) {
        clock.flipEnable(1)
        disabledItems = []
    }

    else if ( timesToEnable === false ) {
        clock.flipEnable(-1)
        disabledItems = []
    }

    // Otherwise go through the disabled times.
    else {

        timesToEnable.map(function( unitToEnable ) {

            var matchFound,
                disabledUnit,
                index,
                isRangeMatched

            // Go through the disabled items and try to find a match.
            for ( index = 0; index < disabledItemsCount; index += 1 ) {

                disabledUnit = disabledItems[index]

                // When an exact match is found, remove it from the collection.
                if ( clock.isTimeExact( disabledUnit, unitToEnable ) ) {
                    matchFound = disabledItems[index] = null
                    isRangeMatched = true
                    break
                }

                // When an overlapped match is found, add the “inverted” state to it.
                else if ( clock.isTimeOverlap( disabledUnit, unitToEnable ) ) {
                    if ( $.isPlainObject( unitToEnable ) ) {
                        unitToEnable.inverted = true
                        matchFound = unitToEnable
                    }
                    else if ( $.isArray( unitToEnable ) ) {
                        matchFound = unitToEnable
                        if ( !matchFound[2] ) matchFound.push( 'inverted' )
                    }
                    else if ( _.isDate( unitToEnable ) ) {
                        matchFound = [ unitToEnable.getFullYear(), unitToEnable.getMonth(), unitToEnable.getDate(), 'inverted' ]
                    }
                    break
                }
            }

            // If a match was found, remove a previous duplicate entry.
            if ( matchFound ) for ( index = 0; index < disabledItemsCount; index += 1 ) {
                if ( clock.isTimeExact( disabledItems[index], unitToEnable ) ) {
                    disabledItems[index] = null
                    break
                }
            }

            // In the event that we’re dealing with an overlap of range times,
            // make sure there are no “inverted” times because of it.
            if ( isRangeMatched ) for ( index = 0; index < disabledItemsCount; index += 1 ) {
                if ( clock.isTimeOverlap( disabledItems[index], unitToEnable ) ) {
                    disabledItems[index] = null
                    break
                }
            }

            // If something is still matched, add it into the collection.
            if ( matchFound ) {
                disabledItems.push( matchFound )
            }
        })
    }

    // Return the updated collection.
    return disabledItems.filter(function( val ) { return val != null })
} //TimePicker.prototype.activate


/**
 * The division to use for the range intervals.
 */
TimePicker.prototype.i = function( type, value/*, options*/ ) {
    return _.isInteger( value ) && value > 0 ? value : this.item.interval
}


/**
 * Create a string for the nodes in the picker.
 */
TimePicker.prototype.nodes = function( isOpen ) {

    var
        clock = this,
        settings = clock.settings,
        selectedObject = clock.item.select,
        highlightedObject = clock.item.highlight,
        viewsetObject = clock.item.view,
        disabledCollection = clock.item.disable

    return _.node(
        'ul',
        _.group({
            min: clock.item.min.pick,
            max: clock.item.max.pick,
            i: clock.item.interval,
            node: 'li',
            item: function( loopedTime ) {
                loopedTime = clock.create( loopedTime )
                var timeMinutes = loopedTime.pick,
                    isSelected = selectedObject && selectedObject.pick == timeMinutes,
                    isHighlighted = highlightedObject && highlightedObject.pick == timeMinutes,
                    isDisabled = disabledCollection && clock.disabled( loopedTime ),
                    formattedTime = _.trigger( clock.formats.toString, clock, [ settings.format, loopedTime ] )
                return [
                    _.trigger( clock.formats.toString, clock, [ _.trigger( settings.formatLabel, clock, [ loopedTime ] ) || settings.format, loopedTime ] ),
                    (function( klasses ) {

                        if ( isSelected ) {
                            klasses.push( settings.klass.selected )
                        }

                        if ( isHighlighted ) {
                            klasses.push( settings.klass.highlighted )
                        }

                        if ( viewsetObject && viewsetObject.pick == timeMinutes ) {
                            klasses.push( settings.klass.viewset )
                        }

                        if ( isDisabled ) {
                            klasses.push( settings.klass.disabled )
                        }

                        return klasses.join( ' ' )
                    })( [ settings.klass.listItem ] ),
                    'data-pick=' + loopedTime.pick + ' ' + _.ariaAttr({
                        role: 'option',
                        label: formattedTime,
                        selected: isSelected && clock.$node.val() === formattedTime ? true : null,
                        activedescendant: isHighlighted ? true : null,
                        disabled: isDisabled ? true : null
                    })
                ]
            }
        }) +

        // * For Firefox forms to submit, make sure to set the button’s `type` attribute as “button”.
        _.node(
            'li',
            _.node(
                'button',
                settings.clear,
                settings.klass.buttonClear,
                'type=button data-clear=1' + ( isOpen ? '' : ' disabled' ) + ' ' +
                _.ariaAttr({ controls: clock.$node[0].id })
            ),
            '', _.ariaAttr({ role: 'presentation' })
        ),
        settings.klass.list,
        _.ariaAttr({ role: 'listbox', controls: clock.$node[0].id })
    )
} //TimePicker.prototype.nodes







/**
 * Extend the picker to add the component with the defaults.
 */
TimePicker.defaults = (function( prefix ) {

    return {

        // Clear
        clear: 'Clear',

        // The format to show on the `input` element
        format: 'h:i A',

        // The interval between each time
        interval: 30,

        // Picker close behavior
        closeOnSelect: true,
        closeOnClear: true,

        // Classes
        klass: {

            picker: prefix + ' ' + prefix + '--time',
            holder: prefix + '__holder',

            list: prefix + '__list',
            listItem: prefix + '__list-item',

            disabled: prefix + '__list-item--disabled',
            selected: prefix + '__list-item--selected',
            highlighted: prefix + '__list-item--highlighted',
            viewset: prefix + '__list-item--viewset',
            now: prefix + '__list-item--now',

            buttonClear: prefix + '__button--clear'
        }
    }
})( Picker.klasses().picker )





/**
 * Extend the picker to add the time picker.
 */
Picker.extend( 'pickatime', TimePicker )


}));




// German

jQuery.extend( jQuery.fn.pickadate.defaults, {
    monthsFull: [ 'Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember' ],
    monthsShort: [ 'Jan', 'Feb', 'Mär', 'Apr', 'Mai', 'Jun', 'Jul', 'Aug', 'Sep', 'Okt', 'Nov', 'Dez' ],
    weekdaysFull: [ 'Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag' ],
    weekdaysShort: [ 'So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa' ],
    today: 'Heute',
    clear: 'Löschen',
    close: 'Schließen',
    firstDay: 1,
    format: 'dddd, dd. mmmm yyyy',
    formatSubmit: 'yyyy/mm/dd'
});

jQuery.extend( jQuery.fn.pickatime.defaults, {
    clear: 'Löschen'
});


$(document).ready(function () {
    
    $('.passwordreset').validate({
      rules: {
        'tx_felogin_pi1[password1]': "required",
        'tx_felogin_pi1[password2]': {
          equalTo: "#newpassword"
        }
      }
    });
});

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/*
Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
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CKEDITOR.dom.window=function(a){CKEDITOR.dom.domObject.call(this,a)};CKEDITOR.dom.window.prototype=new CKEDITOR.dom.domObject;
CKEDITOR.tools.extend(CKEDITOR.dom.window.prototype,{focus:function(){this.$.focus()},getViewPaneSize:function(){var a=this.$.document,d="CSS1Compat"==a.compatMode;return{width:(d?a.documentElement.clientWidth:a.body.clientWidth)||0,height:(d?a.documentElement.clientHeight:a.body.clientHeight)||0}},getScrollPosition:function(){var a=this.$;if("pageXOffset"in a)return{x:a.pageXOffset||0,y:a.pageYOffset||0};a=a.document;return{x:a.documentElement.scrollLeft||a.body.scrollLeft||0,y:a.documentElement.scrollTop||
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CKEDITOR.tools.extend(CKEDITOR.dom.document.prototype,{type:CKEDITOR.NODE_DOCUMENT,appendStyleSheet:function(a){if(this.$.createStyleSheet)this.$.createStyleSheet(a);else{var d=new CKEDITOR.dom.element("link");d.setAttributes({rel:"stylesheet",type:"text/css",href:a});this.getHead().append(d)}},appendStyleText:function(a){if(this.$.createStyleSheet){var d=this.$.createStyleSheet("");d.cssText=a}else{var b=new CKEDITOR.dom.element("style",this);b.append(new CKEDITOR.dom.text(a,this));this.getHead().append(b)}return d||
b.$.sheet},createElement:function(a,d){var b=new CKEDITOR.dom.element(a,this);d&&(d.attributes&&b.setAttributes(d.attributes),d.styles&&b.setStyles(d.styles));return b},createText:function(a){return new CKEDITOR.dom.text(a,this)},focus:function(){this.getWindow().focus()},getActive:function(){var a;try{a=this.$.activeElement}catch(d){return null}return new CKEDITOR.dom.element(a)},getById:function(a){return(a=this.$.getElementById(a))?new CKEDITOR.dom.element(a):null},getByAddress:function(a,d){for(var b=
this.$.documentElement,c=0;b&&c<a.length;c++){var e=a[c];if(d)for(var g=-1,h=0;h<b.childNodes.length;h++){var k=b.childNodes[h];if(!0!==d||3!=k.nodeType||!k.previousSibling||3!=k.previousSibling.nodeType)if(g++,g==e){b=k;break}}else b=b.childNodes[e]}return b?new CKEDITOR.dom.node(b):null},getElementsByTag:function(a,d){CKEDITOR.env.ie&&8>=document.documentMode||!d||(a=d+":"+a);return new CKEDITOR.dom.nodeList(this.$.getElementsByTagName(a))},getHead:function(){var a=this.$.getElementsByTagName("head")[0];
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CKEDITOR.tools.fixDomain+")();\x3c/script\x3e"));this.$.write(a);this.$.close()},find:function(a){return new CKEDITOR.dom.nodeList(this.$.querySelectorAll(a))},findOne:function(a){return(a=this.$.querySelector(a))?new CKEDITOR.dom.element(a):null},_getHtml5ShivFrag:function(){var a=this.getCustomData("html5ShivFrag");a||(a=this.$.createDocumentFragment(),CKEDITOR.tools.enableHtml5Elements(a,!0),this.setCustomData("html5ShivFrag",a));return a}});CKEDITOR.dom.nodeList=function(a){this.$=a};
CKEDITOR.dom.nodeList.prototype={count:function(){return this.$.length},getItem:function(a){return 0>a||a>=this.$.length?null:(a=this.$[a])?new CKEDITOR.dom.node(a):null}};CKEDITOR.dom.element=function(a,d){"string"==typeof a&&(a=(d?d.$:document).createElement(a));CKEDITOR.dom.domObject.call(this,a)};CKEDITOR.dom.element.get=function(a){return(a="string"==typeof a?document.getElementById(a)||document.getElementsByName(a)[0]:a)&&(a.$?a:new CKEDITOR.dom.element(a))};CKEDITOR.dom.element.prototype=new CKEDITOR.dom.node;
CKEDITOR.dom.element.createFromHtml=function(a,d){var b=new CKEDITOR.dom.element("div",d);b.setHtml(a);return b.getFirst().remove()};CKEDITOR.dom.element.setMarker=function(a,d,b,c){var e=d.getCustomData("list_marker_id")||d.setCustomData("list_marker_id",CKEDITOR.tools.getNextNumber()).getCustomData("list_marker_id"),g=d.getCustomData("list_marker_names")||d.setCustomData("list_marker_names",{}).getCustomData("list_marker_names");a[e]=d;g[b]=1;return d.setCustomData(b,c)};
CKEDITOR.dom.element.clearAllMarkers=function(a){for(var d in a)CKEDITOR.dom.element.clearMarkers(a,a[d],1)};CKEDITOR.dom.element.clearMarkers=function(a,d,b){var c=d.getCustomData("list_marker_names"),e=d.getCustomData("list_marker_id"),g;for(g in c)d.removeCustomData(g);d.removeCustomData("list_marker_names");b&&(d.removeCustomData("list_marker_id"),delete a[e])};
(function(){function a(a,b){return-1<(" "+a+" ").replace(g," ").indexOf(" "+b+" ")}function d(a){var b=!0;a.$.id||(a.$.id="cke_tmp_"+CKEDITOR.tools.getNextNumber(),b=!1);return function(){b||a.removeAttribute("id")}}function b(a,b){var c=CKEDITOR.tools.escapeCss(a.$.id);return"#"+c+" "+b.split(/,\s*/).join(", #"+c+" ")}function c(a){for(var b=0,c=0,f=h[a].length;c<f;c++)b+=parseFloat(this.getComputedStyle(h[a][c])||0,10)||0;return b}var e=document.createElement("_").classList,e="undefined"!==typeof e&&
null!==String(e.add).match(/\[Native code\]/gi),g=/[\n\t\r]/g;CKEDITOR.tools.extend(CKEDITOR.dom.element.prototype,{type:CKEDITOR.NODE_ELEMENT,addClass:e?function(a){this.$.classList.add(a);return this}:function(b){var c=this.$.className;c&&(a(c,b)||(c+=" "+b));this.$.className=c||b;return this},removeClass:e?function(a){var b=this.$;b.classList.remove(a);b.className||b.removeAttribute("class");return this}:function(b){var c=this.getAttribute("class");c&&a(c,b)&&((c=c.replace(new RegExp("(?:^|\\s+)"+
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this.$.text&&CKEDITOR.env.ie&&9>CKEDITOR.env.version?this.$.text+=a:this.append(new CKEDITOR.dom.text(a))},appendBogus:function(a){if(a||CKEDITOR.env.needsBrFiller){for(a=this.getLast();a&&a.type==CKEDITOR.NODE_TEXT&&!CKEDITOR.tools.rtrim(a.getText());)a=a.getPrevious();a&&a.is&&a.is("br")||(a=this.getDocument().createElement("br"),CKEDITOR.env.gecko&&a.setAttribute("type","_moz"),this.append(a))}},breakParent:function(a,b){var c=new CKEDITOR.dom.range(this.getDocument());c.setStartAfter(this);c.setEndAfter(a);
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b!=a.$&&b.contains(a.$)},focus:function(){function a(){try{this.$.focus()}catch(b){}}return function(b){b?CKEDITOR.tools.setTimeout(a,100,this):a.call(this)}}(),getHtml:function(){var a=this.$.innerHTML;return CKEDITOR.env.ie?a.replace(/<\?[^>]*>/g,""):a},getOuterHtml:function(){if(this.$.outerHTML)return this.$.outerHTML.replace(/<\?[^>]*>/,"");var a=this.$.ownerDocument.createElement("div");a.appendChild(this.$.cloneNode(!0));return a.innerHTML},getClientRect:function(){var a=CKEDITOR.tools.extend({},
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function(a){return this.$.innerHTML=a},setText:function(){var a=document.createElement("p");a.innerHTML="x";a=a.textContent;return function(b){this.$[a?"textContent":"innerText"]=b}}(),getAttribute:function(){var a=function(a){return this.$.getAttribute(a,2)};return CKEDITOR.env.ie&&(CKEDITOR.env.ie7Compat||CKEDITOR.env.quirks)?function(a){switch(a){case "class":a="className";break;case "http-equiv":a="httpEquiv";break;case "name":return this.$.name;case "tabindex":return a=this.$.getAttribute(a,
2),0!==a&&0===this.$.tabIndex&&(a=null),a;case "checked":return a=this.$.attributes.getNamedItem(a),(a.specified?a.nodeValue:this.$.checked)?"checked":null;case "hspace":case "value":return this.$[a];case "style":return this.$.style.cssText;case "contenteditable":case "contentEditable":return this.$.attributes.getNamedItem("contentEditable").specified?this.$.getAttribute("contentEditable"):null}return this.$.getAttribute(a,2)}:a}(),getAttributes:function(a){var b={},c=this.$.attributes,f;a=CKEDITOR.tools.isArray(a)?
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is:function(){var a=this.getName();if("object"==typeof arguments[0])return!!arguments[0][a];for(var b=0;b<arguments.length;b++)if(arguments[b]==a)return!0;return!1},isEditable:function(a){var b=this.getName();return this.isReadOnly()||"none"==this.getComputedStyle("display")||"hidden"==this.getComputedStyle("visibility")||CKEDITOR.dtd.$nonEditable[b]||CKEDITOR.dtd.$empty[b]||this.is("a")&&(this.data("cke-saved-name")||this.hasAttribute("name"))&&!this.getChildCount()?!1:!1!==a?(a=CKEDITOR.dtd[b]||
CKEDITOR.dtd.span,!(!a||!a["#"])):!0},isIdentical:function(a){var b=this.clone(0,1);a=a.clone(0,1);b.removeAttributes(["_moz_dirty","data-cke-expando","data-cke-saved-href","data-cke-saved-name"]);a.removeAttributes(["_moz_dirty","data-cke-expando","data-cke-saved-href","data-cke-saved-name"]);if(b.$.isEqualNode)return b.$.style.cssText=CKEDITOR.tools.normalizeCssText(b.$.style.cssText),a.$.style.cssText=CKEDITOR.tools.normalizeCssText(a.$.style.cssText),b.$.isEqualNode(a.$);b=b.getOuterHtml();a=
a.getOuterHtml();if(CKEDITOR.env.ie&&9>CKEDITOR.env.version&&this.is("a")){var c=this.getParent();c.type==CKEDITOR.NODE_ELEMENT&&(c=c.clone(),c.setHtml(b),b=c.getHtml(),c.setHtml(a),a=c.getHtml())}return b==a},isVisible:function(){var a=(this.$.offsetHeight||this.$.offsetWidth)&&"hidden"!=this.getComputedStyle("visibility"),b,c;a&&CKEDITOR.env.webkit&&(b=this.getWindow(),!b.equals(CKEDITOR.document.getWindow())&&(c=b.$.frameElement)&&(a=(new CKEDITOR.dom.element(c)).isVisible()));return!!a},isEmptyInlineRemoveable:function(){if(!CKEDITOR.dtd.$removeEmpty[this.getName()])return!1;
for(var a=this.getChildren(),b=0,c=a.count();b<c;b++){var f=a.getItem(b);if(f.type!=CKEDITOR.NODE_ELEMENT||!f.data("cke-bookmark"))if(f.type==CKEDITOR.NODE_ELEMENT&&!f.isEmptyInlineRemoveable()||f.type==CKEDITOR.NODE_TEXT&&CKEDITOR.tools.trim(f.getText()))return!1}return!0},hasAttributes:CKEDITOR.env.ie&&(CKEDITOR.env.ie7Compat||CKEDITOR.env.quirks)?function(){for(var a=this.$.attributes,b=0;b<a.length;b++){var c=a[b];switch(c.nodeName){case "class":if(this.getAttribute("class"))return!0;case "data-cke-expando":continue;
default:if(c.specified)return!0}}return!1}:function(){var a=this.$.attributes,b=a.length,c={"data-cke-expando":1,_moz_dirty:1};return 0<b&&(2<b||!c[a[0].nodeName]||2==b&&!c[a[1].nodeName])},hasAttribute:function(){function a(b){var c=this.$.attributes.getNamedItem(b);if("input"==this.getName())switch(b){case "class":return 0<this.$.className.length;case "checked":return!!this.$.checked;case "value":return b=this.getAttribute("type"),"checkbox"==b||"radio"==b?"on"!=this.$.value:!!this.$.value}return c?
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visibility:""})},setAttribute:function(){var a=function(a,b){this.$.setAttribute(a,b);return this};return CKEDITOR.env.ie&&(CKEDITOR.env.ie7Compat||CKEDITOR.env.quirks)?function(b,c){"class"==b?this.$.className=c:"style"==b?this.$.style.cssText=c:"tabindex"==b?this.$.tabIndex=c:"checked"==b?this.$.checked=c:"contenteditable"==b?a.call(this,"contentEditable",c):a.apply(this,arguments);return this}:CKEDITOR.env.ie8Compat&&CKEDITOR.env.secure?function(b,c){if("src"==b&&c.match(/^http:\/\//))try{a.apply(this,
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a.getWindow().$.scrollBy(b,c):(a.$.scrollLeft+=b,a.$.scrollTop+=c)}function x(a,b){var c={x:0,y:0};if(!a.is(h?"body":"html")){var f=a.$.getBoundingClientRect();c.x=f.left;c.y=f.top}f=a.getWindow();f.equals(b)||(f=x(CKEDITOR.dom.element.get(f.$.frameElement),b),c.x+=f.x,c.y+=f.y);return c}function m(a,b){return parseInt(a.getComputedStyle("margin-"+b)||0,10)||0}!a&&(a=this.getWindow());w=a.getDocument();var h="BackCompat"==w.$.compatMode;a instanceof CKEDITOR.dom.window&&(a=h?w.getBody():w.getDocumentElement());
CKEDITOR.env.webkit&&(w=this.getEditor(!1))&&(w._.previousScrollTop=null);w=a.getWindow();d=x(this,w);var y=x(a,w),H=this.$.offsetHeight;f=this.$.offsetWidth;var l=a.$.clientHeight,u=a.$.clientWidth;w=d.x-m(this,"left")-y.x||0;e=d.y-m(this,"top")-y.y||0;f=d.x+f+m(this,"right")-(y.x+u)||0;d=d.y+H+m(this,"bottom")-(y.y+l)||0;(0>e||0<d)&&g(0,!0===b?e:!1===b?d:0>e?e:d);c&&(0>w||0<f)&&g(0>w?w:f,0)},setState:function(a,b,c){b=b||"cke";switch(a){case CKEDITOR.TRISTATE_ON:this.addClass(b+"_on");this.removeClass(b+
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(a.$.style.cssText=this.$.style.cssText)},renameNode:function(a){if(this.getName()!=a){var b=this.getDocument();a=new CKEDITOR.dom.element(a,b);this.copyAttributes(a);this.moveChildren(a);this.getParent(!0)&&this.$.parentNode.replaceChild(a.$,this.$);a.$["data-cke-expando"]=this.$["data-cke-expando"];this.$=a.$;delete this.getName}},getChild:function(){function a(b,c){var f=b.childNodes;if(0<=c&&c<f.length)return f[c]}return function(b){var c=this.$;if(b.slice)for(b=b.slice();0<b.length&&c;)c=a(c,
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"ltr":this.getStyle("direction")||this.getAttribute("dir")},data:function(a,b){a="data-"+a;if(void 0===b)return this.getAttribute(a);!1===b?this.removeAttribute(a):this.setAttribute(a,b);return null},getEditor:function(a){var b=CKEDITOR.instances,c,f,d;a=a||void 0===a;for(c in b)if(f=b[c],f.element.equals(this)&&f.elementMode!=CKEDITOR.ELEMENT_MODE_APPENDTO||!a&&(d=f.editable())&&(d.equals(this)||d.contains(this)))return f;return null},find:function(a){var c=d(this);a=new CKEDITOR.dom.nodeList(this.$.querySelectorAll(b(this,
a)));c();return a},findOne:function(a){var c=d(this);a=this.$.querySelector(b(this,a));c();return a?new CKEDITOR.dom.element(a):null},forEach:function(a,b,c){if(!(c||b&&this.type!=b))var f=a(this);if(!1!==f){c=this.getChildren();for(var d=0;d<c.count();d++)f=c.getItem(d),f.type==CKEDITOR.NODE_ELEMENT?f.forEach(a,b):b&&f.type!=b||a(f)}}});var h={width:["border-left-width","border-right-width","padding-left","padding-right"],height:["border-top-width","border-bottom-width","padding-top","padding-bottom"]};
CKEDITOR.dom.element.prototype.setSize=function(a,b,d){"number"==typeof b&&(!d||CKEDITOR.env.ie&&CKEDITOR.env.quirks||(b-=c.call(this,a)),this.setStyle(a,b+"px"))};CKEDITOR.dom.element.prototype.getSize=function(a,b){var d=Math.max(this.$["offset"+CKEDITOR.tools.capitalize(a)],this.$["client"+CKEDITOR.tools.capitalize(a)])||0;b&&(d-=c.call(this,a));return d}})();CKEDITOR.dom.documentFragment=function(a){a=a||CKEDITOR.document;this.$=a.type==CKEDITOR.NODE_DOCUMENT?a.$.createDocumentFragment():a};
CKEDITOR.tools.extend(CKEDITOR.dom.documentFragment.prototype,CKEDITOR.dom.element.prototype,{type:CKEDITOR.NODE_DOCUMENT_FRAGMENT,insertAfterNode:function(a){a=a.$;a.parentNode.insertBefore(this.$,a.nextSibling)},getHtml:function(){var a=new CKEDITOR.dom.element("div");this.clone(1,1).appendTo(a);return a.getHtml().replace(/\s*data-cke-expando=".*?"/g,"")}},!0,{append:1,appendBogus:1,clone:1,getFirst:1,getHtml:1,getLast:1,getParent:1,getNext:1,getPrevious:1,appendTo:1,moveChildren:1,insertBefore:1,
insertAfterNode:1,replace:1,trim:1,type:1,ltrim:1,rtrim:1,getDocument:1,getChildCount:1,getChild:1,getChildren:1});
(function(){function a(a,b){var c=this.range;if(this._.end)return null;if(!this._.start){this._.start=1;if(c.collapsed)return this.end(),null;c.optimize()}var f,d=c.startContainer;f=c.endContainer;var e=c.startOffset,C=c.endOffset,g,l=this.guard,u=this.type,I=a?"getPreviousSourceNode":"getNextSourceNode";if(!a&&!this._.guardLTR){var J=f.type==CKEDITOR.NODE_ELEMENT?f:f.getParent(),h=f.type==CKEDITOR.NODE_ELEMENT?f.getChild(C):f.getNext();this._.guardLTR=function(a,b){return(!b||!J.equals(a))&&(!h||
!a.equals(h))&&(a.type!=CKEDITOR.NODE_ELEMENT||!b||!a.equals(c.root))}}if(a&&!this._.guardRTL){var r=d.type==CKEDITOR.NODE_ELEMENT?d:d.getParent(),z=d.type==CKEDITOR.NODE_ELEMENT?e?d.getChild(e-1):null:d.getPrevious();this._.guardRTL=function(a,b){return(!b||!r.equals(a))&&(!z||!a.equals(z))&&(a.type!=CKEDITOR.NODE_ELEMENT||!b||!a.equals(c.root))}}var v=a?this._.guardRTL:this._.guardLTR;g=l?function(a,b){return!1===v(a,b)?!1:l(a,b)}:v;this.current?f=this.current[I](!1,u,g):(a?f.type==CKEDITOR.NODE_ELEMENT&&
(f=0<C?f.getChild(C-1):!1===g(f,!0)?null:f.getPreviousSourceNode(!0,u,g)):(f=d,f.type==CKEDITOR.NODE_ELEMENT&&((f=f.getChild(e))||(f=!1===g(d,!0)?null:d.getNextSourceNode(!0,u,g)))),f&&!1===g(f)&&(f=null));for(;f&&!this._.end;){this.current=f;if(!this.evaluator||!1!==this.evaluator(f)){if(!b)return f}else if(b&&this.evaluator)return!1;f=f[I](!1,u,g)}this.end();return this.current=null}function d(b){for(var c,f=null;c=a.call(this,b);)f=c;return f}CKEDITOR.dom.walker=CKEDITOR.tools.createClass({$:function(a){this.range=
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function(a){var b=CKEDITOR.dom.walker.whitespaces(),c=CKEDITOR.env.webkit?1:0;return function(f){b(f)?f=1:(f.type==CKEDITOR.NODE_TEXT&&(f=f.getParent()),f=f.$.offsetWidth<=c);return!!(a^f)}};CKEDITOR.dom.walker.nodeType=function(a,b){return function(c){return!!(b^c.type==a)}};CKEDITOR.dom.walker.bogus=function(a){function b(a){return!g(a)&&!h(a)}return function(c){var f=CKEDITOR.env.needsBrFiller?c.is&&c.is("br"):c.getText&&e.test(c.getText());f&&(f=c.getParent(),c=c.getNext(b),f=f.isBlockBoundary()&&
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CKEDITOR.dom.range=function(a){this.endOffset=this.endContainer=this.startOffset=this.startContainer=null;this.collapsed=!0;var d=a instanceof CKEDITOR.dom.document;this.document=d?a:a.getDocument();this.root=d?a.getBody():a};
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1),d=f.getLength());if(f.type==CKEDITOR.NODE_ELEMENT&&0<d){a:{for(e=f;d--;)if(g=e.getChild(d).getIndex(!0),0<=g){d=g;break a}d=-1}d+=1}if(f.type==CKEDITOR.NODE_TEXT){e=f;for(g=0;(e=e.getPrevious())&&e.type==CKEDITOR.NODE_TEXT;)g+=e.getText().replace(CKEDITOR.dom.selection.FILLING_CHAR_SEQUENCE,"").length;e=g;f.getText()?d+=e:(g=f.getPrevious(c),e?(d=e,f=g?g.getNext():f.getParent().getFirst()):(f=f.getParent(),d=g?g.getIndex(!0)+1:0))}b.container=f;b.offset=d}function b(a,c){var f=c.getCustomData("cke-fillingChar");
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b&&k.find&&(d=d.concat(k.find(a,b)))}return d},addClass:function(a){if(!this.hasClass(a)){var b=this.attributes["class"]||"";this.attributes["class"]=b+(b?" ":"")+a}},removeClass:function(a){var b=this.attributes["class"];b&&((b=CKEDITOR.tools.trim(b.replace(new RegExp("(?:\\s+|^)"+a+"(?:\\s+|$)")," ")))?this.attributes["class"]=b:delete this.attributes["class"])},hasClass:function(a){var b=this.attributes["class"];return b?(new RegExp("(?:^|\\s)"+a+"(?\x3d\\s|$)")).test(b):!1},getFilterContext:function(a){var b=
[];a||(a={off:!1,nonEditable:!1,nestedEditable:!1});a.off||"off"!=this.attributes["data-cke-processor"]||b.push("off",!0);a.nonEditable||"false"!=this.attributes.contenteditable?a.nonEditable&&!a.nestedEditable&&"true"==this.attributes.contenteditable&&b.push("nestedEditable",!0):b.push("nonEditable",!0);if(b.length){a=CKEDITOR.tools.copy(a);for(var d=0;d<b.length;d+=2)a[b[d]]=b[d+1]}return a}},!0)})();
(function(){var a=/{([^}]+)}/g;CKEDITOR.template=function(a){this.source=String(a)};CKEDITOR.template.prototype.output=function(d,b){var c=this.source.replace(a,function(a,b){return void 0!==d[b]?d[b]:a});return b?b.push(c):c}})();delete CKEDITOR.loadFullCore;CKEDITOR.instances={};CKEDITOR.document=new CKEDITOR.dom.document(document);
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(function(){var a={};CKEDITOR.addTemplate=function(d,b){var c=a[d];if(c)return c;c={name:d,source:b};CKEDITOR.fire("template",c);return a[d]=new CKEDITOR.template(c.source)};CKEDITOR.getTemplate=function(d){return a[d]}})();(function(){var a=[];CKEDITOR.addCss=function(d){a.push(d)};CKEDITOR.getCss=function(){return a.join("\n")}})();CKEDITOR.on("instanceDestroyed",function(){CKEDITOR.tools.isEmpty(this.instances)&&CKEDITOR.fire("reset")});CKEDITOR.TRISTATE_ON=1;CKEDITOR.TRISTATE_OFF=2;
CKEDITOR.TRISTATE_DISABLED=0;
(function(){CKEDITOR.inline=function(a,d){if(!CKEDITOR.env.isCompatible)return null;a=CKEDITOR.dom.element.get(a);if(a.getEditor())throw'The editor instance "'+a.getEditor().name+'" is already attached to the provided element.';var b=new CKEDITOR.editor(d,a,CKEDITOR.ELEMENT_MODE_INLINE),c=a.is("textarea")?a:null;c?(b.setData(c.getValue(),null,!0),a=CKEDITOR.dom.element.createFromHtml('\x3cdiv contenteditable\x3d"'+!!b.readOnly+'" class\x3d"cke_textarea_inline"\x3e'+c.getValue()+"\x3c/div\x3e",CKEDITOR.document),
a.insertAfter(c),c.hide(),c.$.form&&b._attachToForm()):b.setData(a.getHtml(),null,!0);b.on("loaded",function(){b.fire("uiReady");b.editable(a);b.container=a;b.ui.contentsElement=a;b.setData(b.getData(1));b.resetDirty();b.fire("contentDom");b.mode="wysiwyg";b.fire("mode");b.status="ready";b.fireOnce("instanceReady");CKEDITOR.fire("instanceReady",null,b)},null,null,1E4);b.on("destroy",function(){c&&(b.container.clearCustomData(),b.container.remove(),c.show());b.element.clearCustomData();delete b.element});
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1);c.table.detectPurge(d);d.bookmark=a.createBookmark();delete d.range;var f=this.editor.createRange();f.moveToPosition(d.bookmark.startNode,CKEDITOR.POSITION_BEFORE_START);d.targetBookmark=f.createBookmark();c.list.detectMerge(d,this);c.table.detectRanges(d,this);c.block.detectMerge(d,this);d.tableContentsRanges?(c.table.deleteRanges(d),a.moveToBookmark(d.bookmark),d.range=a):(a.moveToBookmark(d.bookmark),d.range=a,a.extractContents(c.detectExtractMerge(d)));a.moveToBookmark(d.targetBookmark);a.optimize();
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new CKEDITOR.dom.selection(this.root);a.selectRanges([this]);return a};CKEDITOR.SELECTION_NONE=1;CKEDITOR.SELECTION_TEXT=2;CKEDITOR.SELECTION_ELEMENT=3;CKEDITOR.dom.selection=function(a){if(a instanceof CKEDITOR.dom.selection){var b=a;a=a.root}var c=a instanceof CKEDITOR.dom.element;this.rev=b?b.rev:m++;this.document=a instanceof CKEDITOR.dom.document?a:a.getDocument();this.root=c?a:this.document.getBody();this.isLocked=0;this._={cache:{}};if(b)return CKEDITOR.tools.extend(this._.cache,b._.cache),
this.isFake=b.isFake,this.isLocked=b.isLocked,this;a=this.getNative();var d,e;if(a)if(a.getRangeAt)d=(e=a.rangeCount&&a.getRangeAt(0))&&new CKEDITOR.dom.node(e.commonAncestorContainer);else{try{e=a.createRange()}catch(f){}d=e&&CKEDITOR.dom.element.get(e.item&&e.item(0)||e.parentElement())}if(!d||d.type!=CKEDITOR.NODE_ELEMENT&&d.type!=CKEDITOR.NODE_TEXT||!this.root.equals(d)&&!this.root.contains(d))this._.cache.type=CKEDITOR.SELECTION_NONE,this._.cache.startElement=null,this._.cache.selectedElement=
null,this._.cache.selectedText="",this._.cache.ranges=new CKEDITOR.dom.rangeList;return this};var D={img:1,hr:1,li:1,table:1,tr:1,td:1,th:1,embed:1,object:1,ol:1,ul:1,a:1,input:1,form:1,select:1,textarea:1,button:1,fieldset:1,thead:1,tfoot:1};CKEDITOR.tools.extend(CKEDITOR.dom.selection,{_removeFillingCharSequenceString:C,_createFillingCharSequenceNode:q,FILLING_CHAR_SEQUENCE:K});CKEDITOR.dom.selection.prototype={getNative:function(){return void 0!==this._.cache.nativeSel?this._.cache.nativeSel:this._.cache.nativeSel=
x?this.document.$.selection:this.document.getWindow().$.getSelection()},getType:x?function(){var a=this._.cache;if(a.type)return a.type;var b=CKEDITOR.SELECTION_NONE;try{var c=this.getNative(),d=c.type;"Text"==d&&(b=CKEDITOR.SELECTION_TEXT);"Control"==d&&(b=CKEDITOR.SELECTION_ELEMENT);c.createRange().parentElement()&&(b=CKEDITOR.SELECTION_TEXT)}catch(e){}return a.type=b}:function(){var a=this._.cache;if(a.type)return a.type;var b=CKEDITOR.SELECTION_TEXT,c=this.getNative();if(!c||!c.rangeCount)b=CKEDITOR.SELECTION_NONE;
else if(1==c.rangeCount){var c=c.getRangeAt(0),d=c.startContainer;d==c.endContainer&&1==d.nodeType&&1==c.endOffset-c.startOffset&&D[d.childNodes[c.startOffset].nodeName.toLowerCase()]&&(b=CKEDITOR.SELECTION_ELEMENT)}return a.type=b},getRanges:function(){var a=x?function(){function a(b){return(new CKEDITOR.dom.node(b)).getIndex()}var b=function(b,c){b=b.duplicate();b.collapse(c);var d=b.parentElement();if(!d.hasChildNodes())return{container:d,offset:0};for(var e=d.children,f,g,h=b.duplicate(),k=0,
l=e.length-1,r=-1,q,m;k<=l;)if(r=Math.floor((k+l)/2),f=e[r],h.moveToElementText(f),q=h.compareEndPoints("StartToStart",b),0<q)l=r-1;else if(0>q)k=r+1;else return{container:d,offset:a(f)};if(-1==r||r==e.length-1&&0>q){h.moveToElementText(d);h.setEndPoint("StartToStart",b);h=h.text.replace(/(\r\n|\r)/g,"\n").length;e=d.childNodes;if(!h)return f=e[e.length-1],f.nodeType!=CKEDITOR.NODE_TEXT?{container:d,offset:e.length}:{container:f,offset:f.nodeValue.length};for(d=e.length;0<h&&0<d;)g=e[--d],g.nodeType==
CKEDITOR.NODE_TEXT&&(m=g,h-=g.nodeValue.length);return{container:m,offset:-h}}h.collapse(0<q?!0:!1);h.setEndPoint(0<q?"StartToStart":"EndToStart",b);h=h.text.replace(/(\r\n|\r)/g,"\n").length;if(!h)return{container:d,offset:a(f)+(0<q?0:1)};for(;0<h;)try{g=f[0<q?"previousSibling":"nextSibling"],g.nodeType==CKEDITOR.NODE_TEXT&&(h-=g.nodeValue.length,m=g),f=g}catch(n){return{container:d,offset:a(f)}}return{container:m,offset:0<q?-h:m.nodeValue.length+h}};return function(){var a=this.getNative(),c=a&&
a.createRange(),d=this.getType();if(!a)return[];if(d==CKEDITOR.SELECTION_TEXT)return a=new CKEDITOR.dom.range(this.root),d=b(c,!0),a.setStart(new CKEDITOR.dom.node(d.container),d.offset),d=b(c),a.setEnd(new CKEDITOR.dom.node(d.container),d.offset),a.endContainer.getPosition(a.startContainer)&CKEDITOR.POSITION_PRECEDING&&a.endOffset<=a.startContainer.getIndex()&&a.collapse(),[a];if(d==CKEDITOR.SELECTION_ELEMENT){for(var d=[],e=0;e<c.length;e++){for(var f=c.item(e),g=f.parentNode,h=0,a=new CKEDITOR.dom.range(this.root);h<
g.childNodes.length&&g.childNodes[h]!=f;h++);a.setStart(new CKEDITOR.dom.node(g),h);a.setEnd(new CKEDITOR.dom.node(g),h+1);d.push(a)}return d}return[]}}():function(){var a=[],b,c=this.getNative();if(!c)return a;for(var d=0;d<c.rangeCount;d++){var e=c.getRangeAt(d);b=new CKEDITOR.dom.range(this.root);b.setStart(new CKEDITOR.dom.node(e.startContainer),e.startOffset);b.setEnd(new CKEDITOR.dom.node(e.endContainer),e.endOffset);a.push(b)}return a};return function(b){var c=this._.cache,d=c.ranges;d||(c.ranges=
d=new CKEDITOR.dom.rangeList(a.call(this)));return b?E(new CKEDITOR.dom.rangeList(d.slice())):d}}(),getStartElement:function(){var a=this._.cache;if(void 0!==a.startElement)return a.startElement;var b;switch(this.getType()){case CKEDITOR.SELECTION_ELEMENT:return this.getSelectedElement();case CKEDITOR.SELECTION_TEXT:var c=this.getRanges()[0];if(c){if(c.collapsed)b=c.startContainer,b.type!=CKEDITOR.NODE_ELEMENT&&(b=b.getParent());else{for(c.optimize();b=c.startContainer,c.startOffset==(b.getChildCount?
b.getChildCount():b.getLength())&&!b.isBlockBoundary();)c.setStartAfter(b);b=c.startContainer;if(b.type!=CKEDITOR.NODE_ELEMENT)return b.getParent();if((b=b.getChild(c.startOffset))&&b.type==CKEDITOR.NODE_ELEMENT)for(c=b.getFirst();c&&c.type==CKEDITOR.NODE_ELEMENT;)b=c,c=c.getFirst();else b=c.startContainer}b=b.$}}return a.startElement=b?new CKEDITOR.dom.element(b):null},getSelectedElement:function(){var a=this._.cache;if(void 0!==a.selectedElement)return a.selectedElement;var b=this,c=CKEDITOR.tools.tryThese(function(){return b.getNative().createRange().item(0)},
function(){for(var a=b.getRanges()[0].clone(),c,d,e=2;e&&!((c=a.getEnclosedNode())&&c.type==CKEDITOR.NODE_ELEMENT&&D[c.getName()]&&(d=c));e--)a.shrink(CKEDITOR.SHRINK_ELEMENT);return d&&d.$});return a.selectedElement=c?new CKEDITOR.dom.element(c):null},getSelectedText:function(){var a=this._.cache;if(void 0!==a.selectedText)return a.selectedText;var b=this.getNative(),b=x?"Control"==b.type?"":b.createRange().text:b.toString();return a.selectedText=b},lock:function(){this.getRanges();this.getStartElement();
this.getSelectedElement();this.getSelectedText();this._.cache.nativeSel=null;this.isLocked=1},unlock:function(b){if(this.isLocked){if(b)var d=this.getSelectedElement(),e=this.getRanges(),f=this.isFake;this.isLocked=0;this.reset();b&&(b=d||e[0]&&e[0].getCommonAncestor())&&b.getAscendant("body",1)&&(a(e)?c.call(this,e):f?this.fake(d):d?this.selectElement(d):this.selectRanges(e))}},reset:function(){this._.cache={};this.isFake=0;var a=this.root.editor;if(a&&a._.fakeSelection)if(this.rev==a._.fakeSelection.rev){delete a._.fakeSelection;
var b=a._.hiddenSelectionContainer;if(b){var c=a.checkDirty();a.fire("lockSnapshot");b.remove();a.fire("unlockSnapshot");!c&&a.resetDirty()}delete a._.hiddenSelectionContainer}else CKEDITOR.warn("selection-fake-reset");this.rev=m++},selectElement:function(a){var b=new CKEDITOR.dom.range(this.root);b.setStartBefore(a);b.setEndAfter(a);this.selectRanges([b])},selectRanges:function(b){var d=this.root.editor,e=d&&d._.hiddenSelectionContainer;this.reset();if(e)for(var e=this.root,g,h=0;h<b.length;++h)g=
b[h],g.endContainer.equals(e)&&(g.endOffset=Math.min(g.endOffset,e.getChildCount()));if(b.length)if(this.isLocked){var k=CKEDITOR.document.getActive();this.unlock();this.selectRanges(b);this.lock();k&&!k.equals(this.root)&&k.focus()}else{var l;a:{var p,F;if(1==b.length&&!(F=b[0]).collapsed&&(l=F.getEnclosedNode())&&l.type==CKEDITOR.NODE_ELEMENT&&(F=F.clone(),F.shrink(CKEDITOR.SHRINK_ELEMENT,!0),(p=F.getEnclosedNode())&&p.type==CKEDITOR.NODE_ELEMENT&&(l=p),"false"==l.getAttribute("contenteditable")))break a;
l=void 0}if(l)this.fake(l);else if(d&&d.plugins.tableselection&&CKEDITOR.plugins.tableselection.isSupportedEnvironment&&a(b)&&!H)c.call(this,b);else{if(x){p=CKEDITOR.dom.walker.whitespaces(!0);l=/\ufeff|\u00a0/;F={table:1,tbody:1,tr:1};1<b.length&&(d=b[b.length-1],b[0].setEnd(d.endContainer,d.endOffset));d=b[0];b=d.collapsed;var t,G,m;if((e=d.getEnclosedNode())&&e.type==CKEDITOR.NODE_ELEMENT&&e.getName()in D&&(!e.is("a")||!e.getText()))try{m=e.$.createControlRange();m.addElement(e.$);m.select();return}catch(w){}if(d.startContainer.type==
CKEDITOR.NODE_ELEMENT&&d.startContainer.getName()in F||d.endContainer.type==CKEDITOR.NODE_ELEMENT&&d.endContainer.getName()in F)d.shrink(CKEDITOR.NODE_ELEMENT,!0),b=d.collapsed;m=d.createBookmark();F=m.startNode;b||(k=m.endNode);m=d.document.$.body.createTextRange();m.moveToElementText(F.$);m.moveStart("character",1);k?(l=d.document.$.body.createTextRange(),l.moveToElementText(k.$),m.setEndPoint("EndToEnd",l),m.moveEnd("character",-1)):(t=F.getNext(p),G=F.hasAscendant("pre"),t=!(t&&t.getText&&t.getText().match(l))&&
(G||!F.hasPrevious()||F.getPrevious().is&&F.getPrevious().is("br")),G=d.document.createElement("span"),G.setHtml("\x26#65279;"),G.insertBefore(F),t&&d.document.createText("").insertBefore(F));d.setStartBefore(F);F.remove();b?(t?(m.moveStart("character",-1),m.select(),d.document.$.selection.clear()):m.select(),d.moveToPosition(G,CKEDITOR.POSITION_BEFORE_START),G.remove()):(d.setEndBefore(k),k.remove(),m.select())}else{k=this.getNative();if(!k)return;this.removeAllRanges();for(m=0;m<b.length;m++){if(m<
b.length-1&&(t=b[m],G=b[m+1],l=t.clone(),l.setStart(t.endContainer,t.endOffset),l.setEnd(G.startContainer,G.startOffset),!l.collapsed&&(l.shrink(CKEDITOR.NODE_ELEMENT,!0),d=l.getCommonAncestor(),l=l.getEnclosedNode(),d.isReadOnly()||l&&l.isReadOnly()))){G.setStart(t.startContainer,t.startOffset);b.splice(m--,1);continue}d=b[m];G=this.document.$.createRange();d.collapsed&&CKEDITOR.env.webkit&&n(d)&&(l=q(this.root),d.insertNode(l),(t=l.getNext())&&!l.getPrevious()&&t.type==CKEDITOR.NODE_ELEMENT&&"br"==
t.getName()?(f(this.root),d.moveToPosition(t,CKEDITOR.POSITION_BEFORE_START)):d.moveToPosition(l,CKEDITOR.POSITION_AFTER_END));G.setStart(d.startContainer.$,d.startOffset);try{G.setEnd(d.endContainer.$,d.endOffset)}catch(u){if(0<=u.toString().indexOf("NS_ERROR_ILLEGAL_VALUE"))d.collapse(1),G.setEnd(d.endContainer.$,d.endOffset);else throw u;}k.addRange(G)}}this.reset();this.root.fire("selectionchange")}}},fake:function(a,b){var c=this.root.editor;void 0===b&&a.hasAttribute("aria-label")&&(b=a.getAttribute("aria-label"));
this.reset();w(c,b);var d=this._.cache,e=new CKEDITOR.dom.range(this.root);e.setStartBefore(a);e.setEndAfter(a);d.ranges=new CKEDITOR.dom.rangeList(e);d.selectedElement=d.startElement=a;d.type=CKEDITOR.SELECTION_ELEMENT;d.selectedText=d.nativeSel=null;this.isFake=1;this.rev=m++;c._.fakeSelection=this;this.root.fire("selectionchange")},isHidden:function(){var a=this.getCommonAncestor();a&&a.type==CKEDITOR.NODE_TEXT&&(a=a.getParent());return!(!a||!a.data("cke-hidden-sel"))},isInTable:function(){return a(this.getRanges())},
createBookmarks:function(a){a=this.getRanges().createBookmarks(a);this.isFake&&(a.isFake=1);return a},createBookmarks2:function(a){a=this.getRanges().createBookmarks2(a);this.isFake&&(a.isFake=1);return a},selectBookmarks:function(b){for(var c=[],d,e=0;e<b.length;e++){var f=new CKEDITOR.dom.range(this.root);f.moveToBookmark(b[e]);c.push(f)}b.isFake&&(d=a(c)?c[0]._getTableElement():c[0].getEnclosedNode(),d&&d.type==CKEDITOR.NODE_ELEMENT||(CKEDITOR.warn("selection-not-fake"),b.isFake=0));b.isFake&&
!a(c)?this.fake(d):this.selectRanges(c);return this},getCommonAncestor:function(){var a=this.getRanges();return a.length?a[0].startContainer.getCommonAncestor(a[a.length-1].endContainer):null},scrollIntoView:function(){this.type!=CKEDITOR.SELECTION_NONE&&this.getRanges()[0].scrollIntoView()},removeAllRanges:function(){if(this.getType()!=CKEDITOR.SELECTION_NONE){var a=this.getNative();try{a&&a[x?"empty":"removeAllRanges"]()}catch(b){}this.reset()}}}})();"use strict";CKEDITOR.STYLE_BLOCK=1;
CKEDITOR.STYLE_INLINE=2;CKEDITOR.STYLE_OBJECT=3;
(function(){function a(a,b){for(var c,d;(a=a.getParent())&&!a.equals(b);)if(a.getAttribute("data-nostyle"))c=a;else if(!d){var e=a.getAttribute("contentEditable");"false"==e?c=a:"true"==e&&(d=1)}return c}function d(a,b,c,d){return(a.getPosition(b)|d)==d&&(!c.childRule||c.childRule(a))}function b(c){var f=c.document;if(c.collapsed)f=K(this,f),c.insertNode(f),c.moveToPosition(f,CKEDITOR.POSITION_BEFORE_END);else{var g=this.element,h=this._.definition,k,l=h.ignoreReadonly,m=l||h.includeReadonly;null==
m&&(m=c.root.getCustomData("cke_includeReadonly"));var q=CKEDITOR.dtd[g];q||(k=!0,q=CKEDITOR.dtd.span);c.enlarge(CKEDITOR.ENLARGE_INLINE,1);c.trim();var n=c.createBookmark(),w=n.startNode,u=n.endNode,r=w,v;if(!l){var x=c.getCommonAncestor(),l=a(w,x),x=a(u,x);l&&(r=l.getNextSourceNode(!0));x&&(u=x)}for(r.getPosition(u)==CKEDITOR.POSITION_FOLLOWING&&(r=0);r;){l=!1;if(r.equals(u))r=null,l=!0;else{var A=r.type==CKEDITOR.NODE_ELEMENT?r.getName():null,x=A&&"false"==r.getAttribute("contentEditable"),C=A&&
r.getAttribute("data-nostyle");if(A&&r.data("cke-bookmark")){r=r.getNextSourceNode(!0);continue}if(x&&m&&CKEDITOR.dtd.$block[A])for(var y=r,z=e(y),D=void 0,H=z.length,I=0,y=H&&new CKEDITOR.dom.range(y.getDocument());I<H;++I){var D=z[I],J=CKEDITOR.filter.instances[D.data("cke-filter")];if(J?J.check(this):1)y.selectNodeContents(D),b.call(this,y)}z=A?!q[A]||C?0:x&&!m?0:d(r,u,h,V):1;if(z)if(D=r.getParent(),z=h,H=g,I=k,!D||!(D.getDtd()||CKEDITOR.dtd.span)[H]&&!I||z.parentRule&&!z.parentRule(D))l=!0;else{if(v||
A&&CKEDITOR.dtd.$removeEmpty[A]&&(r.getPosition(u)|V)!=V||(v=c.clone(),v.setStartBefore(r)),A=r.type,A==CKEDITOR.NODE_TEXT||x||A==CKEDITOR.NODE_ELEMENT&&!r.getChildCount()){for(var A=r,L;(l=!A.getNext(B))&&(L=A.getParent(),q[L.getName()])&&d(L,w,h,O);)A=L;v.setEndAfter(A)}}else l=!0;r=r.getNextSourceNode(C||x)}if(l&&v&&!v.collapsed){for(var l=K(this,f),x=l.hasAttributes(),C=v.getCommonAncestor(),A={},z={},D={},H={},T,Q,ba;l&&C;){if(C.getName()==g){for(T in h.attributes)!H[T]&&(ba=C.getAttribute(Q))&&
(l.getAttribute(T)==ba?z[T]=1:H[T]=1);for(Q in h.styles)!D[Q]&&(ba=C.getStyle(Q))&&(l.getStyle(Q)==ba?A[Q]=1:D[Q]=1)}C=C.getParent()}for(T in z)l.removeAttribute(T);for(Q in A)l.removeStyle(Q);x&&!l.hasAttributes()&&(l=null);l?(v.extractContents().appendTo(l),v.insertNode(l),E.call(this,l),l.mergeSiblings(),CKEDITOR.env.ie||l.$.normalize()):(l=new CKEDITOR.dom.element("span"),v.extractContents().appendTo(l),v.insertNode(l),E.call(this,l),l.remove(!0));v=null}}c.moveToBookmark(n);c.shrink(CKEDITOR.SHRINK_TEXT);
c.shrink(CKEDITOR.NODE_ELEMENT,!0)}}function c(a){function b(){for(var a=new CKEDITOR.dom.elementPath(d.getParent()),c=new CKEDITOR.dom.elementPath(q.getParent()),e=null,f=null,g=0;g<a.elements.length;g++){var h=a.elements[g];if(h==a.block||h==a.blockLimit)break;n.checkElementRemovable(h,!0)&&(e=h)}for(g=0;g<c.elements.length;g++){h=c.elements[g];if(h==c.block||h==c.blockLimit)break;n.checkElementRemovable(h,!0)&&(f=h)}f&&q.breakParent(f);e&&d.breakParent(e)}a.enlarge(CKEDITOR.ENLARGE_INLINE,1);var c=
a.createBookmark(),d=c.startNode,e=this._.definition.alwaysRemoveElement;if(a.collapsed){for(var f=new CKEDITOR.dom.elementPath(d.getParent(),a.root),g,h=0,k;h<f.elements.length&&(k=f.elements[h])&&k!=f.block&&k!=f.blockLimit;h++)if(this.checkElementRemovable(k)){var m;!e&&a.collapsed&&(a.checkBoundaryOfElement(k,CKEDITOR.END)||(m=a.checkBoundaryOfElement(k,CKEDITOR.START)))?(g=k,g.match=m?"start":"end"):(k.mergeSiblings(),k.is(this.element)?A.call(this,k):x(k,l(this)[k.getName()]))}if(g){e=d;for(h=
0;;h++){k=f.elements[h];if(k.equals(g))break;else if(k.match)continue;else k=k.clone();k.append(e);e=k}e["start"==g.match?"insertBefore":"insertAfter"](g)}}else{var q=c.endNode,n=this;b();for(f=d;!f.equals(q);)g=f.getNextSourceNode(),f.type==CKEDITOR.NODE_ELEMENT&&this.checkElementRemovable(f)&&(f.getName()==this.element?A.call(this,f):x(f,l(this)[f.getName()]),g.type==CKEDITOR.NODE_ELEMENT&&g.contains(d)&&(b(),g=d.getNext())),f=g}a.moveToBookmark(c);a.shrink(CKEDITOR.NODE_ELEMENT,!0)}function e(a){var b=
[];a.forEach(function(a){if("true"==a.getAttribute("contenteditable"))return b.push(a),!1},CKEDITOR.NODE_ELEMENT,!0);return b}function g(a){var b=a.getEnclosedNode()||a.getCommonAncestor(!1,!0);(a=(new CKEDITOR.dom.elementPath(b,a.root)).contains(this.element,1))&&!a.isReadOnly()&&y(a,this)}function h(a){var b=a.getCommonAncestor(!0,!0);if(a=(new CKEDITOR.dom.elementPath(b,a.root)).contains(this.element,1)){var b=this._.definition,c=b.attributes;if(c)for(var d in c)a.removeAttribute(d,c[d]);if(b.styles)for(var e in b.styles)b.styles.hasOwnProperty(e)&&
a.removeStyle(e)}}function k(a){var b=a.createBookmark(!0),c=a.createIterator();c.enforceRealBlocks=!0;this._.enterMode&&(c.enlargeBr=this._.enterMode!=CKEDITOR.ENTER_BR);for(var d,e=a.document,f;d=c.getNextParagraph();)!d.isReadOnly()&&(c.activeFilter?c.activeFilter.check(this):1)&&(f=K(this,e,d),q(d,f));a.moveToBookmark(b)}function n(a){var b=a.createBookmark(1),c=a.createIterator();c.enforceRealBlocks=!0;c.enlargeBr=this._.enterMode!=CKEDITOR.ENTER_BR;for(var d,e;d=c.getNextParagraph();)this.checkElementRemovable(d)&&
(d.is("pre")?((e=this._.enterMode==CKEDITOR.ENTER_BR?null:a.document.createElement(this._.enterMode==CKEDITOR.ENTER_P?"p":"div"))&&d.copyAttributes(e),q(d,e)):A.call(this,d));a.moveToBookmark(b)}function q(a,b){var c=!b;c&&(b=a.getDocument().createElement("div"),a.copyAttributes(b));var d=b&&b.is("pre"),e=a.is("pre"),g=!d&&e;if(d&&!e){e=b;(g=a.getBogus())&&g.remove();g=a.getHtml();g=C(g,/(?:^[ \t\n\r]+)|(?:[ \t\n\r]+$)/g,"");g=g.replace(/[ \t\r\n]*(<br[^>]*>)[ \t\r\n]*/gi,"$1");g=g.replace(/([ \t\n\r]+|&nbsp;)/g,
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CKEDITOR.tools.extend(CKEDITOR.editor.prototype,{attachStyleStateChange:function(a,d){var b=this._.styleStateChangeCallbacks;b||(b=this._.styleStateChangeCallbacks=[],this.on("selectionChange",function(a){for(var d=0;d<b.length;d++){var g=b[d],h=g.style.checkActive(a.data.path,this)?CKEDITOR.TRISTATE_ON:CKEDITOR.TRISTATE_OFF;g.fn.call(this,h)}}));b.push({style:a,fn:d})},applyStyle:function(a){a.apply(this)},removeStyle:function(a){a.remove(this)},getStylesSet:function(a){if(this._.stylesDefinitions)a(this._.stylesDefinitions);
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CKEDITOR.dom.comment=function(a,d){"string"==typeof a&&(a=(d?d.$:document).createComment(a));CKEDITOR.dom.domObject.call(this,a)};CKEDITOR.dom.comment.prototype=new CKEDITOR.dom.node;CKEDITOR.tools.extend(CKEDITOR.dom.comment.prototype,{type:CKEDITOR.NODE_COMMENT,getOuterHtml:function(){return"\x3c!--"+this.$.nodeValue+"--\x3e"}});"use strict";
(function(){var a={},d={},b;for(b in CKEDITOR.dtd.$blockLimit)b in CKEDITOR.dtd.$list||(a[b]=1);for(b in CKEDITOR.dtd.$block)b in CKEDITOR.dtd.$blockLimit||b in CKEDITOR.dtd.$empty||(d[b]=1);CKEDITOR.dom.elementPath=function(b,e){var g=null,h=null,k=[],n=b,q;e=e||b.getDocument().getBody();do if(n.type==CKEDITOR.NODE_ELEMENT){k.push(n);if(!this.lastElement&&(this.lastElement=n,n.is(CKEDITOR.dtd.$object)||"false"==n.getAttribute("contenteditable")))continue;if(n.equals(e))break;if(!h&&(q=n.getName(),
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CKEDITOR.dom.text=function(a,d){"string"==typeof a&&(a=(d?d.$:document).createTextNode(a));this.$=a};CKEDITOR.dom.text.prototype=new CKEDITOR.dom.node;
CKEDITOR.tools.extend(CKEDITOR.dom.text.prototype,{type:CKEDITOR.NODE_TEXT,getLength:function(){return this.$.nodeValue.length},getText:function(){return this.$.nodeValue},setText:function(a){this.$.nodeValue=a},split:function(a){var d=this.$.parentNode,b=d.childNodes.length,c=this.getLength(),e=this.getDocument(),g=new CKEDITOR.dom.text(this.$.splitText(a),e);d.childNodes.length==b&&(a>=c?(g=e.createText(""),g.insertAfter(this)):(a=e.createText(""),a.insertAfter(g),a.remove()));return g},substring:function(a,
d){return"number"!=typeof d?this.$.nodeValue.substr(a):this.$.nodeValue.substring(a,d)}});
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CKEDITOR.dom.rangeList=function(a){if(a instanceof CKEDITOR.dom.rangeList)return a;a?a instanceof CKEDITOR.dom.range&&(a=[a]):a=[];return CKEDITOR.tools.extend(a,d)};var d={createIterator:function(){var a=this,c=CKEDITOR.dom.walker.bookmark(),d=[],g;return{getNextRange:function(h){g=void 0===g?0:g+1;var k=a[g];if(k&&1<a.length){if(!g)for(var n=a.length-1;0<=n;n--)d.unshift(a[n].createBookmark(!0));if(h)for(var q=0;a[g+q+1];){var f=k.document;h=0;n=f.getById(d[q].endNode);for(f=f.getById(d[q+1].startNode);;){n=
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(function(){function a(){return CKEDITOR.getUrl(CKEDITOR.skinName.split(",")[1]||"skins/"+CKEDITOR.skinName.split(",")[0]+"/")}function d(b){var c=CKEDITOR.skin["ua_"+b],d=CKEDITOR.env;if(c)for(var c=c.split(",").sort(function(a,b){return a>b?-1:1}),e=0,g;e<c.length;e++)if(g=c[e],d.ie&&(g.replace(/^ie/,"")==d.version||d.quirks&&"iequirks"==g)&&(g="ie"),d[g]){b+="_"+c[e];break}return CKEDITOR.getUrl(a()+b+".css")}function b(a,b){g[a]||(CKEDITOR.document.appendStyleSheet(d(a)),g[a]=1);b&&b()}function c(a){var b=
a.getById(h);b||(b=a.getHead().append("style"),b.setAttribute("id",h),b.setAttribute("type","text/css"));return b}function e(a,b,c){var d,e,g;if(CKEDITOR.env.webkit)for(b=b.split("}").slice(0,-1),e=0;e<b.length;e++)b[e]=b[e].split("{");for(var h=0;h<a.length;h++)if(CKEDITOR.env.webkit)for(e=0;e<b.length;e++){g=b[e][1];for(d=0;d<c.length;d++)g=g.replace(c[d][0],c[d][1]);a[h].$.sheet.addRule(b[e][0],g)}else{g=b;for(d=0;d<c.length;d++)g=g.replace(c[d][0],c[d][1]);CKEDITOR.env.ie&&11>CKEDITOR.env.version?
a[h].$.styleSheet.cssText+=g:a[h].$.innerHTML+=g}}var g={};CKEDITOR.skin={path:a,loadPart:function(c,d){CKEDITOR.skin.name!=CKEDITOR.skinName.split(",")[0]?CKEDITOR.scriptLoader.load(CKEDITOR.getUrl(a()+"skin.js"),function(){b(c,d)}):b(c,d)},getPath:function(a){return CKEDITOR.getUrl(d(a))},icons:{},addIcon:function(a,b,c,d){a=a.toLowerCase();this.icons[a]||(this.icons[a]={path:b,offset:c||0,bgsize:d||"16px"})},getIconStyle:function(a,b,c,d,e){var g;a&&(a=a.toLowerCase(),b&&(g=this.icons[a+"-rtl"]),
g||(g=this.icons[a]));a=c||g&&g.path||"";d=d||g&&g.offset;e=e||g&&g.bgsize||"16px";a&&(a=a.replace(/'/g,"\\'"));return a&&"background-image:url('"+CKEDITOR.getUrl(a)+"');background-position:0 "+d+"px;background-size:"+e+";"}};CKEDITOR.tools.extend(CKEDITOR.editor.prototype,{getUiColor:function(){return this.uiColor},setUiColor:function(a){var b=c(CKEDITOR.document);return(this.setUiColor=function(a){this.uiColor=a;var c=CKEDITOR.skin.chameleon,d="",g="";"function"==typeof c&&(d=c(this,"editor"),g=
c(this,"panel"));a=[[n,a]];e([b],d,a);e(k,g,a)}).call(this,a)}});var h="cke_ui_color",k=[],n=/\$color/g;CKEDITOR.on("instanceLoaded",function(a){if(!CKEDITOR.env.ie||!CKEDITOR.env.quirks){var b=a.editor;a=function(a){a=(a.data[0]||a.data).element.getElementsByTag("iframe").getItem(0).getFrameDocument();if(!a.getById("cke_ui_color")){a=c(a);k.push(a);var d=b.getUiColor();d&&e([a],CKEDITOR.skin.chameleon(b,"panel"),[[n,d]])}};b.on("panelShow",a);b.on("menuShow",a);b.config.uiColor&&b.setUiColor(b.config.uiColor)}})})();
(function(){if(CKEDITOR.env.webkit)CKEDITOR.env.hc=!1;else{var a=CKEDITOR.dom.element.createFromHtml('\x3cdiv style\x3d"width:0;height:0;position:absolute;left:-10000px;border:1px solid;border-color:red blue"\x3e\x3c/div\x3e',CKEDITOR.document);a.appendTo(CKEDITOR.document.getHead());try{var d=a.getComputedStyle("border-top-color"),b=a.getComputedStyle("border-right-color");CKEDITOR.env.hc=!(!d||d!=b)}catch(c){CKEDITOR.env.hc=!1}a.remove()}CKEDITOR.env.hc&&(CKEDITOR.env.cssClass+=" cke_hc");CKEDITOR.document.appendStyleText(".cke{visibility:hidden;}");
CKEDITOR.status="loaded";CKEDITOR.fireOnce("loaded");if(a=CKEDITOR._.pending)for(delete CKEDITOR._.pending,d=0;d<a.length;d++)CKEDITOR.editor.prototype.constructor.apply(a[d][0],a[d][1]),CKEDITOR.add(a[d][0])})();/*
 Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.skin.name="moono-lisa";CKEDITOR.skin.ua_editor="ie,iequirks,ie8,gecko";CKEDITOR.skin.ua_dialog="ie,iequirks,ie8";
CKEDITOR.skin.chameleon=function(){var b=function(){return function(b,d){for(var a=b.match(/[^#]./g),e=0;3>e;e++){var f=e,c;c=parseInt(a[e],16);c=("0"+(0>d?0|c*(1+d):0|c+(255-c)*d).toString(16)).slice(-2);a[f]=c}return"#"+a.join("")}}(),f={editor:new CKEDITOR.template("{id}.cke_chrome [border-color:{defaultBorder};] {id} .cke_top [ background-color:{defaultBackground};border-bottom-color:{defaultBorder};] {id} .cke_bottom [background-color:{defaultBackground};border-top-color:{defaultBorder};] {id} .cke_resizer [border-right-color:{ckeResizer}] {id} .cke_dialog_title [background-color:{defaultBackground};border-bottom-color:{defaultBorder};] {id} .cke_dialog_footer [background-color:{defaultBackground};outline-color:{defaultBorder};] {id} .cke_dialog_tab [background-color:{dialogTab};border-color:{defaultBorder};] {id} .cke_dialog_tab:hover [background-color:{lightBackground};] {id} .cke_dialog_contents [border-top-color:{defaultBorder};] {id} .cke_dialog_tab_selected, {id} .cke_dialog_tab_selected:hover [background:{dialogTabSelected};border-bottom-color:{dialogTabSelectedBorder};] {id} .cke_dialog_body [background:{dialogBody};border-color:{defaultBorder};] {id} a.cke_button_off:hover,{id} a.cke_button_off:focus,{id} a.cke_button_off:active [background-color:{darkBackground};border-color:{toolbarElementsBorder};] {id} .cke_button_on [background-color:{ckeButtonOn};border-color:{toolbarElementsBorder};] {id} .cke_toolbar_separator,{id} .cke_toolgroup a.cke_button:last-child:after,{id} .cke_toolgroup a.cke_button.cke_button_disabled:hover:last-child:after [background-color: {toolbarElementsBorder};border-color: {toolbarElementsBorder};] {id} a.cke_combo_button:hover,{id} a.cke_combo_button:focus,{id} .cke_combo_on a.cke_combo_button [border-color:{toolbarElementsBorder};background-color:{darkBackground};] {id} .cke_combo:after [border-color:{toolbarElementsBorder};] {id} .cke_path_item [color:{elementsPathColor};] {id} a.cke_path_item:hover,{id} a.cke_path_item:focus,{id} a.cke_path_item:active [background-color:{darkBackground};] {id}.cke_panel [border-color:{defaultBorder};] "),panel:new CKEDITOR.template(".cke_panel_grouptitle [background-color:{lightBackground};border-color:{defaultBorder};] .cke_menubutton_icon [background-color:{menubuttonIcon};] .cke_menubutton:hover,.cke_menubutton:focus,.cke_menubutton:active [background-color:{menubuttonHover};] .cke_menubutton:hover .cke_menubutton_icon, .cke_menubutton:focus .cke_menubutton_icon, .cke_menubutton:active .cke_menubutton_icon [background-color:{menubuttonIconHover};] .cke_menubutton_disabled:hover .cke_menubutton_icon,.cke_menubutton_disabled:focus .cke_menubutton_icon,.cke_menubutton_disabled:active .cke_menubutton_icon [background-color:{menubuttonIcon};] .cke_menuseparator [background-color:{menubuttonIcon};] a:hover.cke_colorbox, a:active.cke_colorbox [border-color:{defaultBorder};] a:hover.cke_colorauto, a:hover.cke_colormore, a:active.cke_colorauto, a:active.cke_colormore [background-color:{ckeColorauto};border-color:{defaultBorder};] ")};
return function(g,d){var a=b(g.uiColor,.4),a={id:"."+g.id,defaultBorder:b(a,-.2),toolbarElementsBorder:b(a,-.25),defaultBackground:a,lightBackground:b(a,.8),darkBackground:b(a,-.15),ckeButtonOn:b(a,.4),ckeResizer:b(a,-.4),ckeColorauto:b(a,.8),dialogBody:b(a,.7),dialogTab:b(a,.65),dialogTabSelected:"#FFF",dialogTabSelectedBorder:"#FFF",elementsPathColor:b(a,-.6),menubuttonHover:b(a,.1),menubuttonIcon:b(a,.5),menubuttonIconHover:b(a,.3)};return f[d].output(a).replace(/\[/g,"{").replace(/\]/g,"}")}}();CKEDITOR.plugins.add("dialogui",{onLoad:function(){var h=function(b){this._||(this._={});this._["default"]=this._.initValue=b["default"]||"";this._.required=b.required||!1;for(var a=[this._],d=1;d<arguments.length;d++)a.push(arguments[d]);a.push(!0);CKEDITOR.tools.extend.apply(CKEDITOR.tools,a);return this._},v={build:function(b,a,d){return new CKEDITOR.ui.dialog.textInput(b,a,d)}},n={build:function(b,a,d){return new CKEDITOR.ui.dialog[a.type](b,a,d)}},q={isChanged:function(){return this.getValue()!=
this.getInitValue()},reset:function(b){this.setValue(this.getInitValue(),b)},setInitValue:function(){this._.initValue=this.getValue()},resetInitValue:function(){this._.initValue=this._["default"]},getInitValue:function(){return this._.initValue}},r=CKEDITOR.tools.extend({},CKEDITOR.ui.dialog.uiElement.prototype.eventProcessors,{onChange:function(b,a){this._.domOnChangeRegistered||(b.on("load",function(){this.getInputElement().on("change",function(){b.parts.dialog.isVisible()&&this.fire("change",{value:this.getValue()})},
this)},this),this._.domOnChangeRegistered=!0);this.on("change",a)}},!0),x=/^on([A-Z]\w+)/,t=function(b){for(var a in b)(x.test(a)||"title"==a||"type"==a)&&delete b[a];return b},w=function(b){b=b.data.getKeystroke();b==CKEDITOR.SHIFT+CKEDITOR.ALT+36?this.setDirectionMarker("ltr"):b==CKEDITOR.SHIFT+CKEDITOR.ALT+35&&this.setDirectionMarker("rtl")};CKEDITOR.tools.extend(CKEDITOR.ui.dialog,{labeledElement:function(b,a,d,f){if(!(4>arguments.length)){var c=h.call(this,a);c.labelId=CKEDITOR.tools.getNextId()+
"_label";this._.children=[];var e={role:a.role||"presentation"};a.includeLabel&&(e["aria-labelledby"]=c.labelId);CKEDITOR.ui.dialog.uiElement.call(this,b,a,d,"div",null,e,function(){var e=[],g=a.required?" cke_required":"";"horizontal"!=a.labelLayout?e.push('\x3clabel class\x3d"cke_dialog_ui_labeled_label'+g+'" ',' id\x3d"'+c.labelId+'"',c.inputId?' for\x3d"'+c.inputId+'"':"",(a.labelStyle?' style\x3d"'+a.labelStyle+'"':"")+"\x3e",a.label,"\x3c/label\x3e",'\x3cdiv class\x3d"cke_dialog_ui_labeled_content"',
a.controlStyle?' style\x3d"'+a.controlStyle+'"':"",' role\x3d"presentation"\x3e',f.call(this,b,a),"\x3c/div\x3e"):(g={type:"hbox",widths:a.widths,padding:0,children:[{type:"html",html:'\x3clabel class\x3d"cke_dialog_ui_labeled_label'+g+'" id\x3d"'+c.labelId+'" for\x3d"'+c.inputId+'"'+(a.labelStyle?' style\x3d"'+a.labelStyle+'"':"")+"\x3e"+CKEDITOR.tools.htmlEncode(a.label)+"\x3c/label\x3e"},{type:"html",html:'\x3cspan class\x3d"cke_dialog_ui_labeled_content"'+(a.controlStyle?' style\x3d"'+a.controlStyle+
'"':"")+"\x3e"+f.call(this,b,a)+"\x3c/span\x3e"}]},CKEDITOR.dialog._.uiElementBuilders.hbox.build(b,g,e));return e.join("")})}},textInput:function(b,a,d){if(!(3>arguments.length)){h.call(this,a);var f=this._.inputId=CKEDITOR.tools.getNextId()+"_textInput",c={"class":"cke_dialog_ui_input_"+a.type,id:f,type:a.type};a.validate&&(this.validate=a.validate);a.maxLength&&(c.maxlength=a.maxLength);a.size&&(c.size=a.size);a.inputStyle&&(c.style=a.inputStyle);var e=this,m=!1;b.on("load",function(){e.getInputElement().on("keydown",
function(a){13==a.data.getKeystroke()&&(m=!0)});e.getInputElement().on("keyup",function(a){13==a.data.getKeystroke()&&m&&(b.getButton("ok")&&setTimeout(function(){b.getButton("ok").click()},0),m=!1);e.bidi&&w.call(e,a)},null,null,1E3)});CKEDITOR.ui.dialog.labeledElement.call(this,b,a,d,function(){var b=['\x3cdiv class\x3d"cke_dialog_ui_input_',a.type,'" role\x3d"presentation"'];a.width&&b.push('style\x3d"width:'+a.width+'" ');b.push("\x3e\x3cinput ");c["aria-labelledby"]=this._.labelId;this._.required&&
(c["aria-required"]=this._.required);for(var e in c)b.push(e+'\x3d"'+c[e]+'" ');b.push(" /\x3e\x3c/div\x3e");return b.join("")})}},textarea:function(b,a,d){if(!(3>arguments.length)){h.call(this,a);var f=this,c=this._.inputId=CKEDITOR.tools.getNextId()+"_textarea",e={};a.validate&&(this.validate=a.validate);e.rows=a.rows||5;e.cols=a.cols||20;e["class"]="cke_dialog_ui_input_textarea "+(a["class"]||"");"undefined"!=typeof a.inputStyle&&(e.style=a.inputStyle);a.dir&&(e.dir=a.dir);if(f.bidi)b.on("load",
function(){f.getInputElement().on("keyup",w)},f);CKEDITOR.ui.dialog.labeledElement.call(this,b,a,d,function(){e["aria-labelledby"]=this._.labelId;this._.required&&(e["aria-required"]=this._.required);var a=['\x3cdiv class\x3d"cke_dialog_ui_input_textarea" role\x3d"presentation"\x3e\x3ctextarea id\x3d"',c,'" '],b;for(b in e)a.push(b+'\x3d"'+CKEDITOR.tools.htmlEncode(e[b])+'" ');a.push("\x3e",CKEDITOR.tools.htmlEncode(f._["default"]),"\x3c/textarea\x3e\x3c/div\x3e");return a.join("")})}},checkbox:function(b,
a,d){if(!(3>arguments.length)){var f=h.call(this,a,{"default":!!a["default"]});a.validate&&(this.validate=a.validate);CKEDITOR.ui.dialog.uiElement.call(this,b,a,d,"span",null,null,function(){var c=CKEDITOR.tools.extend({},a,{id:a.id?a.id+"_checkbox":CKEDITOR.tools.getNextId()+"_checkbox"},!0),e=[],d=CKEDITOR.tools.getNextId()+"_label",g={"class":"cke_dialog_ui_checkbox_input",type:"checkbox","aria-labelledby":d};t(c);a["default"]&&(g.checked="checked");"undefined"!=typeof c.inputStyle&&(c.style=c.inputStyle);
f.checkbox=new CKEDITOR.ui.dialog.uiElement(b,c,e,"input",null,g);e.push(' \x3clabel id\x3d"',d,'" for\x3d"',g.id,'"'+(a.labelStyle?' style\x3d"'+a.labelStyle+'"':"")+"\x3e",CKEDITOR.tools.htmlEncode(a.label),"\x3c/label\x3e");return e.join("")})}},radio:function(b,a,d){if(!(3>arguments.length)){h.call(this,a);this._["default"]||(this._["default"]=this._.initValue=a.items[0][1]);a.validate&&(this.validate=a.validate);var f=[],c=this;a.role="radiogroup";a.includeLabel=!0;CKEDITOR.ui.dialog.labeledElement.call(this,
b,a,d,function(){for(var e=[],d=[],g=(a.id?a.id:CKEDITOR.tools.getNextId())+"_radio",k=0;k<a.items.length;k++){var l=a.items[k],h=void 0!==l[2]?l[2]:l[0],n=void 0!==l[1]?l[1]:l[0],p=CKEDITOR.tools.getNextId()+"_radio_input",q=p+"_label",p=CKEDITOR.tools.extend({},a,{id:p,title:null,type:null},!0),h=CKEDITOR.tools.extend({},p,{title:h},!0),r={type:"radio","class":"cke_dialog_ui_radio_input",name:g,value:n,"aria-labelledby":q},u=[];c._["default"]==n&&(r.checked="checked");t(p);t(h);"undefined"!=typeof p.inputStyle&&
(p.style=p.inputStyle);p.keyboardFocusable=!0;f.push(new CKEDITOR.ui.dialog.uiElement(b,p,u,"input",null,r));u.push(" ");new CKEDITOR.ui.dialog.uiElement(b,h,u,"label",null,{id:q,"for":r.id},l[0]);e.push(u.join(""))}new CKEDITOR.ui.dialog.hbox(b,f,e,d);return d.join("")});this._.children=f}},button:function(b,a,d){if(arguments.length){"function"==typeof a&&(a=a(b.getParentEditor()));h.call(this,a,{disabled:a.disabled||!1});CKEDITOR.event.implementOn(this);var f=this;b.on("load",function(){var a=this.getElement();
(function(){a.on("click",function(a){f.click();a.data.preventDefault()});a.on("keydown",function(a){a.data.getKeystroke()in{32:1}&&(f.click(),a.data.preventDefault())})})();a.unselectable()},this);var c=CKEDITOR.tools.extend({},a);delete c.style;var e=CKEDITOR.tools.getNextId()+"_label";CKEDITOR.ui.dialog.uiElement.call(this,b,c,d,"a",null,{style:a.style,href:"javascript:void(0)",title:a.label,hidefocus:"true","class":a["class"],role:"button","aria-labelledby":e},'\x3cspan id\x3d"'+e+'" class\x3d"cke_dialog_ui_button"\x3e'+
CKEDITOR.tools.htmlEncode(a.label)+"\x3c/span\x3e")}},select:function(b,a,d){if(!(3>arguments.length)){var f=h.call(this,a);a.validate&&(this.validate=a.validate);f.inputId=CKEDITOR.tools.getNextId()+"_select";CKEDITOR.ui.dialog.labeledElement.call(this,b,a,d,function(){var c=CKEDITOR.tools.extend({},a,{id:a.id?a.id+"_select":CKEDITOR.tools.getNextId()+"_select"},!0),e=[],d=[],g={id:f.inputId,"class":"cke_dialog_ui_input_select","aria-labelledby":this._.labelId};e.push('\x3cdiv class\x3d"cke_dialog_ui_input_',
a.type,'" role\x3d"presentation"');a.width&&e.push('style\x3d"width:'+a.width+'" ');e.push("\x3e");void 0!==a.size&&(g.size=a.size);void 0!==a.multiple&&(g.multiple=a.multiple);t(c);for(var k=0,l;k<a.items.length&&(l=a.items[k]);k++)d.push('\x3coption value\x3d"',CKEDITOR.tools.htmlEncode(void 0!==l[1]?l[1]:l[0]).replace(/"/g,"\x26quot;"),'" /\x3e ',CKEDITOR.tools.htmlEncode(l[0]));"undefined"!=typeof c.inputStyle&&(c.style=c.inputStyle);f.select=new CKEDITOR.ui.dialog.uiElement(b,c,e,"select",null,
g,d.join(""));e.push("\x3c/div\x3e");return e.join("")})}},file:function(b,a,d){if(!(3>arguments.length)){void 0===a["default"]&&(a["default"]="");var f=CKEDITOR.tools.extend(h.call(this,a),{definition:a,buttons:[]});a.validate&&(this.validate=a.validate);b.on("load",function(){CKEDITOR.document.getById(f.frameId).getParent().addClass("cke_dialog_ui_input_file")});CKEDITOR.ui.dialog.labeledElement.call(this,b,a,d,function(){f.frameId=CKEDITOR.tools.getNextId()+"_fileInput";var b=['\x3ciframe frameborder\x3d"0" allowtransparency\x3d"0" class\x3d"cke_dialog_ui_input_file" role\x3d"presentation" id\x3d"',
f.frameId,'" title\x3d"',a.label,'" src\x3d"javascript:void('];b.push(CKEDITOR.env.ie?"(function(){"+encodeURIComponent("document.open();("+CKEDITOR.tools.fixDomain+")();document.close();")+"})()":"0");b.push(')"\x3e\x3c/iframe\x3e');return b.join("")})}},fileButton:function(b,a,d){var f=this;if(!(3>arguments.length)){h.call(this,a);a.validate&&(this.validate=a.validate);var c=CKEDITOR.tools.extend({},a),e=c.onClick;c.className=(c.className?c.className+" ":"")+"cke_dialog_ui_button";c.onClick=function(c){var d=
a["for"];e&&!1===e.call(this,c)||(b.getContentElement(d[0],d[1]).submit(),this.disable())};b.on("load",function(){b.getContentElement(a["for"][0],a["for"][1])._.buttons.push(f)});CKEDITOR.ui.dialog.button.call(this,b,c,d)}},html:function(){var b=/^\s*<[\w:]+\s+([^>]*)?>/,a=/^(\s*<[\w:]+(?:\s+[^>]*)?)((?:.|\r|\n)+)$/,d=/\/$/;return function(f,c,e){if(!(3>arguments.length)){var m=[],g=c.html;"\x3c"!=g.charAt(0)&&(g="\x3cspan\x3e"+g+"\x3c/span\x3e");var k=c.focus;if(k){var l=this.focus;this.focus=function(){("function"==
typeof k?k:l).call(this);this.fire("focus")};c.isFocusable&&(this.isFocusable=this.isFocusable);this.keyboardFocusable=!0}CKEDITOR.ui.dialog.uiElement.call(this,f,c,m,"span",null,null,"");m=m.join("").match(b);g=g.match(a)||["","",""];d.test(g[1])&&(g[1]=g[1].slice(0,-1),g[2]="/"+g[2]);e.push([g[1]," ",m[1]||"",g[2]].join(""))}}}(),fieldset:function(b,a,d,f,c){var e=c.label;this._={children:a};CKEDITOR.ui.dialog.uiElement.call(this,b,c,f,"fieldset",null,null,function(){var a=[];e&&a.push("\x3clegend"+
(c.labelStyle?' style\x3d"'+c.labelStyle+'"':"")+"\x3e"+e+"\x3c/legend\x3e");for(var b=0;b<d.length;b++)a.push(d[b]);return a.join("")})}},!0);CKEDITOR.ui.dialog.html.prototype=new CKEDITOR.ui.dialog.uiElement;CKEDITOR.ui.dialog.labeledElement.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{setLabel:function(b){var a=CKEDITOR.document.getById(this._.labelId);1>a.getChildCount()?(new CKEDITOR.dom.text(b,CKEDITOR.document)).appendTo(a):a.getChild(0).$.nodeValue=b;return this},getLabel:function(){var b=
CKEDITOR.document.getById(this._.labelId);return!b||1>b.getChildCount()?"":b.getChild(0).getText()},eventProcessors:r},!0);CKEDITOR.ui.dialog.button.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{click:function(){return this._.disabled?!1:this.fire("click",{dialog:this._.dialog})},enable:function(){this._.disabled=!1;var b=this.getElement();b&&b.removeClass("cke_disabled")},disable:function(){this._.disabled=!0;this.getElement().addClass("cke_disabled")},isVisible:function(){return this.getElement().getFirst().isVisible()},
isEnabled:function(){return!this._.disabled},eventProcessors:CKEDITOR.tools.extend({},CKEDITOR.ui.dialog.uiElement.prototype.eventProcessors,{onClick:function(b,a){this.on("click",function(){a.apply(this,arguments)})}},!0),accessKeyUp:function(){this.click()},accessKeyDown:function(){this.focus()},keyboardFocusable:!0},!0);CKEDITOR.ui.dialog.textInput.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.labeledElement,{getInputElement:function(){return CKEDITOR.document.getById(this._.inputId)},
focus:function(){var b=this.selectParentTab();setTimeout(function(){var a=b.getInputElement();a&&a.$.focus()},0)},select:function(){var b=this.selectParentTab();setTimeout(function(){var a=b.getInputElement();a&&(a.$.focus(),a.$.select())},0)},accessKeyUp:function(){this.select()},setValue:function(b){if(this.bidi){var a=b&&b.charAt(0);(a="‪"==a?"ltr":"‫"==a?"rtl":null)&&(b=b.slice(1));this.setDirectionMarker(a)}b||(b="");return CKEDITOR.ui.dialog.uiElement.prototype.setValue.apply(this,arguments)},
getValue:function(){var b=CKEDITOR.ui.dialog.uiElement.prototype.getValue.call(this);if(this.bidi&&b){var a=this.getDirectionMarker();a&&(b=("ltr"==a?"‪":"‫")+b)}return b},setDirectionMarker:function(b){var a=this.getInputElement();b?a.setAttributes({dir:b,"data-cke-dir-marker":b}):this.getDirectionMarker()&&a.removeAttributes(["dir","data-cke-dir-marker"])},getDirectionMarker:function(){return this.getInputElement().data("cke-dir-marker")},keyboardFocusable:!0},q,!0);CKEDITOR.ui.dialog.textarea.prototype=
new CKEDITOR.ui.dialog.textInput;CKEDITOR.ui.dialog.select.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.labeledElement,{getInputElement:function(){return this._.select.getElement()},add:function(b,a,d){var f=new CKEDITOR.dom.element("option",this.getDialog().getParentEditor().document),c=this.getInputElement().$;f.$.text=b;f.$.value=void 0===a||null===a?b:a;void 0===d||null===d?CKEDITOR.env.ie?c.add(f.$):c.add(f.$,null):c.add(f.$,d);return this},remove:function(b){this.getInputElement().$.remove(b);
return this},clear:function(){for(var b=this.getInputElement().$;0<b.length;)b.remove(0);return this},keyboardFocusable:!0},q,!0);CKEDITOR.ui.dialog.checkbox.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{getInputElement:function(){return this._.checkbox.getElement()},setValue:function(b,a){this.getInputElement().$.checked=b;!a&&this.fire("change",{value:b})},getValue:function(){return this.getInputElement().$.checked},accessKeyUp:function(){this.setValue(!this.getValue())},eventProcessors:{onChange:function(b,
a){if(!CKEDITOR.env.ie||8<CKEDITOR.env.version)return r.onChange.apply(this,arguments);b.on("load",function(){var a=this._.checkbox.getElement();a.on("propertychange",function(b){b=b.data.$;"checked"==b.propertyName&&this.fire("change",{value:a.$.checked})},this)},this);this.on("change",a);return null}},keyboardFocusable:!0},q,!0);CKEDITOR.ui.dialog.radio.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{setValue:function(b,a){for(var d=this._.children,f,c=0;c<d.length&&(f=d[c]);c++)f.getElement().$.checked=
f.getValue()==b;!a&&this.fire("change",{value:b})},getValue:function(){for(var b=this._.children,a=0;a<b.length;a++)if(b[a].getElement().$.checked)return b[a].getValue();return null},accessKeyUp:function(){var b=this._.children,a;for(a=0;a<b.length;a++)if(b[a].getElement().$.checked){b[a].getElement().focus();return}b[0].getElement().focus()},eventProcessors:{onChange:function(b,a){if(!CKEDITOR.env.ie||8<CKEDITOR.env.version)return r.onChange.apply(this,arguments);b.on("load",function(){for(var a=
this._.children,b=this,c=0;c<a.length;c++)a[c].getElement().on("propertychange",function(a){a=a.data.$;"checked"==a.propertyName&&this.$.checked&&b.fire("change",{value:this.getAttribute("value")})})},this);this.on("change",a);return null}}},q,!0);CKEDITOR.ui.dialog.file.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.labeledElement,q,{getInputElement:function(){var b=CKEDITOR.document.getById(this._.frameId).getFrameDocument();return 0<b.$.forms.length?new CKEDITOR.dom.element(b.$.forms[0].elements[0]):
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var b="";f.size&&(b=f.size-(CKEDITOR.env.ie?7:0));var h=a.frameId+"_input";d.$.write(['\x3chtml dir\x3d"'+g+'" lang\x3d"'+k+'"\x3e\x3chead\x3e\x3ctitle\x3e\x3c/title\x3e\x3c/head\x3e\x3cbody style\x3d"margin: 0; overflow: hidden; background: transparent;"\x3e','\x3cform enctype\x3d"multipart/form-data" method\x3d"POST" dir\x3d"'+g+'" lang\x3d"'+k+'" action\x3d"',CKEDITOR.tools.htmlEncode(f.action),'"\x3e\x3clabel id\x3d"',a.labelId,'" for\x3d"',h,'" style\x3d"display:none"\x3e',CKEDITOR.tools.htmlEncode(f.label),
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new CKEDITOR.ui.dialog.button;CKEDITOR.ui.dialog.fieldset.prototype=CKEDITOR.tools.clone(CKEDITOR.ui.dialog.hbox.prototype);CKEDITOR.dialog.addUIElement("text",v);CKEDITOR.dialog.addUIElement("password",v);CKEDITOR.dialog.addUIElement("textarea",n);CKEDITOR.dialog.addUIElement("checkbox",n);CKEDITOR.dialog.addUIElement("radio",n);CKEDITOR.dialog.addUIElement("button",n);CKEDITOR.dialog.addUIElement("select",n);CKEDITOR.dialog.addUIElement("file",n);CKEDITOR.dialog.addUIElement("fileButton",n);CKEDITOR.dialog.addUIElement("html",
n);CKEDITOR.dialog.addUIElement("fieldset",{build:function(b,a,d){for(var f=a.children,c,e=[],h=[],g=0;g<f.length&&(c=f[g]);g++){var k=[];e.push(k);h.push(CKEDITOR.dialog._.uiElementBuilders[c.type].build(b,c,k))}return new CKEDITOR.ui.dialog[a.type](b,h,e,d,a)}})}});CKEDITOR.DIALOG_RESIZE_NONE=0;CKEDITOR.DIALOG_RESIZE_WIDTH=1;CKEDITOR.DIALOG_RESIZE_HEIGHT=2;CKEDITOR.DIALOG_RESIZE_BOTH=3;CKEDITOR.DIALOG_STATE_IDLE=1;CKEDITOR.DIALOG_STATE_BUSY=2;
(function(){function x(){for(var a=this._.tabIdList.length,b=CKEDITOR.tools.indexOf(this._.tabIdList,this._.currentTabId)+a,c=b-1;c>b-a;c--)if(this._.tabs[this._.tabIdList[c%a]][0].$.offsetHeight)return this._.tabIdList[c%a];return null}function A(){for(var a=this._.tabIdList.length,b=CKEDITOR.tools.indexOf(this._.tabIdList,this._.currentTabId),c=b+1;c<b+a;c++)if(this._.tabs[this._.tabIdList[c%a]][0].$.offsetHeight)return this._.tabIdList[c%a];return null}function K(a,b){for(var c=a.$.getElementsByTagName("input"),
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setTimeout(function(){a.fire("saveSnapshot")},0);!1===g.onOk.call(this,b)&&(b.data.hide=!1)});this.state=CKEDITOR.DIALOG_STATE_IDLE;if(g.onCancel)this.on("cancel",function(a){!1===g.onCancel.call(this,a)&&(a.data.hide=!1)});var l=this,t=function(a){var b=l._.contents,c=!1,d;for(d in b)for(var e in b[d])if(c=a.call(this,b[d][e]))return};this.on("ok",function(a){t(function(b){if(b.validate){var c=b.validate(this),d="string"==typeof c||!1===c;d&&(a.data.hide=!1,a.stop());T.call(b,!d,"string"==typeof c?
c:void 0);return d}})},this,null,0);this.on("cancel",function(b){t(function(c){if(c.isChanged())return a.config.dialog_noConfirmCancel||confirm(a.lang.common.confirmCancel)||(b.data.hide=!1),!0})},this,null,0);this.parts.close.on("click",function(a){!1!==this.fire("cancel",{hide:!0}).hide&&this.hide();a.data.preventDefault()},this);this.changeFocus=e;var y=this._.element;a.focusManager.add(y,1);this.on("show",function(){y.on("keydown",d,this);if(CKEDITOR.env.gecko)y.on("keypress",f,this)});this.on("hide",
function(){y.removeListener("keydown",d);CKEDITOR.env.gecko&&y.removeListener("keypress",f);t(function(a){U.apply(a)})});this.on("iframeAdded",function(a){(new CKEDITOR.dom.document(a.data.iframe.$.contentWindow.document)).on("keydown",d,this,null,0)});this.on("show",function(){c();var b=1<l._.pageCount;a.config.dialog_startupFocusTab&&b?(l._.tabBarMode=!0,l._.tabs[l._.currentTabId][0].focus(),l._.currentFocusIndex=-1):this._.hasFocus||(this._.currentFocusIndex=b?-1:this._.focusList.length-1,g.onFocus?
(b=g.onFocus.call(this))&&b.focus():e(1))},this,null,4294967295);if(CKEDITOR.env.ie6Compat)this.on("load",function(){var a=this.getElement(),b=a.getFirst();b.remove();b.appendTo(a)},this);Y(this);Z(this);(new CKEDITOR.dom.text(g.title,CKEDITOR.document)).appendTo(this.parts.title);for(m=0;m<g.contents.length;m++)(k=g.contents[m])&&this.addPage(k);this.parts.tabs.on("click",function(a){var b=a.data.getTarget();b.hasClass("cke_dialog_tab")&&(b=b.$.id,this.selectPage(b.substring(4,b.lastIndexOf("_"))),
this._.tabBarMode&&(this._.tabBarMode=!1,this._.currentFocusIndex=-1,e(1)),a.data.preventDefault())},this);m=[];k=CKEDITOR.dialog._.uiElementBuilders.hbox.build(this,{type:"hbox",className:"cke_dialog_footer_buttons",widths:[],children:g.buttons},m).getChild();this.parts.footer.setHtml(m.join(""));for(m=0;m<k.length;m++)this._.buttons[k[m].id]=k[m]};CKEDITOR.dialog.prototype={destroy:function(){this.hide();this._.element.remove()},resize:function(){return function(a,b){this._.contentSize&&this._.contentSize.width==
a&&this._.contentSize.height==b||(CKEDITOR.dialog.fire("resize",{dialog:this,width:a,height:b},this._.editor),this.fire("resize",{width:a,height:b},this._.editor),this.parts.contents.setStyles({width:a+"px",height:b+"px"}),"rtl"==this._.editor.lang.dir&&this._.position&&(this._.position.x=CKEDITOR.document.getWindow().getViewPaneSize().width-this._.contentSize.width-parseInt(this._.element.getFirst().getStyle("right"),10)),this._.contentSize={width:a,height:b})}}(),getSize:function(){var a=this._.element.getFirst();
return{width:a.$.offsetWidth||0,height:a.$.offsetHeight||0}},move:function(a,b,c){var e=this._.element.getFirst(),d="rtl"==this._.editor.lang.dir,f="fixed"==e.getComputedStyle("position");CKEDITOR.env.ie&&e.setStyle("zoom","100%");f&&this._.position&&this._.position.x==a&&this._.position.y==b||(this._.position={x:a,y:b},f||(f=CKEDITOR.document.getWindow().getScrollPosition(),a+=f.x,b+=f.y),d&&(f=this.getSize(),a=CKEDITOR.document.getWindow().getViewPaneSize().width-f.width-a),b={top:(0<b?b:0)+"px"},
b[d?"right":"left"]=(0<a?a:0)+"px",e.setStyles(b),c&&(this._.moved=1))},getPosition:function(){return CKEDITOR.tools.extend({},this._.position)},show:function(){var a=this._.element,b=this.definition;a.getParent()&&a.getParent().equals(CKEDITOR.document.getBody())?a.setStyle("display","block"):a.appendTo(CKEDITOR.document.getBody());this.resize(this._.contentSize&&this._.contentSize.width||b.width||b.minWidth,this._.contentSize&&this._.contentSize.height||b.height||b.minHeight);this.reset();this.selectPage(this.definition.contents[0].id);
null===CKEDITOR.dialog._.currentZIndex&&(CKEDITOR.dialog._.currentZIndex=this._.editor.config.baseFloatZIndex);this._.element.getFirst().setStyle("z-index",CKEDITOR.dialog._.currentZIndex+=10);null===CKEDITOR.dialog._.currentTop?(CKEDITOR.dialog._.currentTop=this,this._.parentDialog=null,N(this._.editor)):(this._.parentDialog=CKEDITOR.dialog._.currentTop,this._.parentDialog.getElement().getFirst().$.style.zIndex-=Math.floor(this._.editor.config.baseFloatZIndex/2),CKEDITOR.dialog._.currentTop=this);
a.on("keydown",Q);a.on("keyup",R);this._.hasFocus=!1;for(var c in b.contents)if(b.contents[c]){var a=b.contents[c],e=this._.tabs[a.id],d=a.requiredContent,f=0;if(e){for(var g in this._.contents[a.id]){var h=this._.contents[a.id][g];"hbox"!=h.type&&"vbox"!=h.type&&h.getInputElement()&&(h.requiredContent&&!this._.editor.activeFilter.check(h.requiredContent)?h.disable():(h.enable(),f++))}!f||d&&!this._.editor.activeFilter.check(d)?e[0].addClass("cke_dialog_tab_disabled"):e[0].removeClass("cke_dialog_tab_disabled")}}CKEDITOR.tools.setTimeout(function(){this.layout();
X(this);this.parts.dialog.setStyle("visibility","");this.fireOnce("load",{});CKEDITOR.ui.fire("ready",this);this.fire("show",{});this._.editor.fire("dialogShow",this);this._.parentDialog||this._.editor.focusManager.lock();this.foreach(function(a){a.setInitValue&&a.setInitValue()})},100,this)},layout:function(){var a=this.parts.dialog,b=this.getSize(),c=CKEDITOR.document.getWindow().getViewPaneSize(),e=(c.width-b.width)/2,d=(c.height-b.height)/2;CKEDITOR.env.ie6Compat||(b.height+(0<d?d:0)>c.height||
b.width+(0<e?e:0)>c.width?a.setStyle("position","absolute"):a.setStyle("position","fixed"));this.move(this._.moved?this._.position.x:e,this._.moved?this._.position.y:d)},foreach:function(a){for(var b in this._.contents)for(var c in this._.contents[b])a.call(this,this._.contents[b][c]);return this},reset:function(){var a=function(a){a.reset&&a.reset(1)};return function(){this.foreach(a);return this}}(),setupContent:function(){var a=arguments;this.foreach(function(b){b.setup&&b.setup.apply(b,a)})},
commitContent:function(){var a=arguments;this.foreach(function(b){CKEDITOR.env.ie&&this._.currentFocusIndex==b.focusIndex&&b.getInputElement().$.blur();b.commit&&b.commit.apply(b,a)})},hide:function(){if(this.parts.dialog.isVisible()){this.fire("hide",{});this._.editor.fire("dialogHide",this);this.selectPage(this._.tabIdList[0]);var a=this._.element;a.setStyle("display","none");this.parts.dialog.setStyle("visibility","hidden");for(ba(this);CKEDITOR.dialog._.currentTop!=this;)CKEDITOR.dialog._.currentTop.hide();
if(this._.parentDialog){var b=this._.parentDialog.getElement().getFirst();b.setStyle("z-index",parseInt(b.$.style.zIndex,10)+Math.floor(this._.editor.config.baseFloatZIndex/2))}else O(this._.editor);if(CKEDITOR.dialog._.currentTop=this._.parentDialog)CKEDITOR.dialog._.currentZIndex-=10;else{CKEDITOR.dialog._.currentZIndex=null;a.removeListener("keydown",Q);a.removeListener("keyup",R);var c=this._.editor;c.focus();setTimeout(function(){c.focusManager.unlock();CKEDITOR.env.iOS&&c.window.focus()},0)}delete this._.parentDialog;
this.foreach(function(a){a.resetInitValue&&a.resetInitValue()});this.setState(CKEDITOR.DIALOG_STATE_IDLE)}},addPage:function(a){if(!a.requiredContent||this._.editor.filter.check(a.requiredContent)){for(var b=[],c=a.label?' title\x3d"'+CKEDITOR.tools.htmlEncode(a.label)+'"':"",e=CKEDITOR.dialog._.uiElementBuilders.vbox.build(this,{type:"vbox",className:"cke_dialog_page_contents",children:a.elements,expand:!!a.expand,padding:a.padding,style:a.style||"width: 100%;"},b),d=this._.contents[a.id]={},f=e.getChild(),
g=0;e=f.shift();)e.notAllowed||"hbox"==e.type||"vbox"==e.type||g++,d[e.id]=e,"function"==typeof e.getChild&&f.push.apply(f,e.getChild());g||(a.hidden=!0);b=CKEDITOR.dom.element.createFromHtml(b.join(""));b.setAttribute("role","tabpanel");e=CKEDITOR.env;d="cke_"+a.id+"_"+CKEDITOR.tools.getNextNumber();c=CKEDITOR.dom.element.createFromHtml(['\x3ca class\x3d"cke_dialog_tab"',0<this._.pageCount?" cke_last":"cke_first",c,a.hidden?' style\x3d"display:none"':"",' id\x3d"',d,'"',e.gecko&&!e.hc?"":' href\x3d"javascript:void(0)"',
' tabIndex\x3d"-1" hidefocus\x3d"true" role\x3d"tab"\x3e',a.label,"\x3c/a\x3e"].join(""));b.setAttribute("aria-labelledby",d);this._.tabs[a.id]=[c,b];this._.tabIdList.push(a.id);!a.hidden&&this._.pageCount++;this._.lastTab=c;this.updateStyle();b.setAttribute("name",a.id);b.appendTo(this.parts.contents);c.unselectable();this.parts.tabs.append(c);a.accessKey&&(S(this,this,"CTRL+"+a.accessKey,ca,da),this._.accessKeyMap["CTRL+"+a.accessKey]=a.id)}},selectPage:function(a){if(this._.currentTabId!=a&&!this._.tabs[a][0].hasClass("cke_dialog_tab_disabled")&&
!1!==this.fire("selectPage",{page:a,currentPage:this._.currentTabId})){for(var b in this._.tabs){var c=this._.tabs[b][0],e=this._.tabs[b][1];b!=a&&(c.removeClass("cke_dialog_tab_selected"),e.hide());e.setAttribute("aria-hidden",b!=a)}var d=this._.tabs[a];d[0].addClass("cke_dialog_tab_selected");CKEDITOR.env.ie6Compat||CKEDITOR.env.ie7Compat?(K(d[1]),d[1].show(),setTimeout(function(){K(d[1],1)},0)):d[1].show();this._.currentTabId=a;this._.currentTabIndex=CKEDITOR.tools.indexOf(this._.tabIdList,a)}},
updateStyle:function(){this.parts.dialog[(1===this._.pageCount?"add":"remove")+"Class"]("cke_single_page")},hidePage:function(a){var b=this._.tabs[a]&&this._.tabs[a][0];b&&1!=this._.pageCount&&b.isVisible()&&(a==this._.currentTabId&&this.selectPage(x.call(this)),b.hide(),this._.pageCount--,this.updateStyle())},showPage:function(a){if(a=this._.tabs[a]&&this._.tabs[a][0])a.show(),this._.pageCount++,this.updateStyle()},getElement:function(){return this._.element},getName:function(){return this._.name},
getContentElement:function(a,b){var c=this._.contents[a];return c&&c[b]},getValueOf:function(a,b){return this.getContentElement(a,b).getValue()},setValueOf:function(a,b,c){return this.getContentElement(a,b).setValue(c)},getButton:function(a){return this._.buttons[a]},click:function(a){return this._.buttons[a].click()},disableButton:function(a){return this._.buttons[a].disable()},enableButton:function(a){return this._.buttons[a].enable()},getPageCount:function(){return this._.pageCount},getParentEditor:function(){return this._.editor},
getSelectedElement:function(){return this.getParentEditor().getSelection().getSelectedElement()},addFocusable:function(a,b){if("undefined"==typeof b)b=this._.focusList.length,this._.focusList.push(new L(this,a,b));else{this._.focusList.splice(b,0,new L(this,a,b));for(var c=b+1;c<this._.focusList.length;c++)this._.focusList[c].focusIndex++}},setState:function(a){if(this.state!=a){this.state=a;if(a==CKEDITOR.DIALOG_STATE_BUSY){if(!this.parts.spinner){var b=this.getParentEditor().lang.dir,c={attributes:{"class":"cke_dialog_spinner"},
styles:{"float":"rtl"==b?"right":"left"}};c.styles["margin-"+("rtl"==b?"left":"right")]="8px";this.parts.spinner=CKEDITOR.document.createElement("div",c);this.parts.spinner.setHtml("\x26#8987;");this.parts.spinner.appendTo(this.parts.title,1)}this.parts.spinner.show();this.getButton("ok").disable()}else a==CKEDITOR.DIALOG_STATE_IDLE&&(this.parts.spinner&&this.parts.spinner.hide(),this.getButton("ok").enable());this.fire("state",a)}}};CKEDITOR.tools.extend(CKEDITOR.dialog,{add:function(a,b){this._.dialogDefinitions[a]&&
"function"!=typeof b||(this._.dialogDefinitions[a]=b)},exists:function(a){return!!this._.dialogDefinitions[a]},getCurrent:function(){return CKEDITOR.dialog._.currentTop},isTabEnabled:function(a,b,c){a=a.config.removeDialogTabs;return!(a&&a.match(new RegExp("(?:^|;)"+b+":"+c+"(?:$|;)","i")))},okButton:function(){var a=function(a,c){c=c||{};return CKEDITOR.tools.extend({id:"ok",type:"button",label:a.lang.common.ok,"class":"cke_dialog_ui_button_ok",onClick:function(a){a=a.data.dialog;!1!==a.fire("ok",
{hide:!0}).hide&&a.hide()}},c,!0)};a.type="button";a.override=function(b){return CKEDITOR.tools.extend(function(c){return a(c,b)},{type:"button"},!0)};return a}(),cancelButton:function(){var a=function(a,c){c=c||{};return CKEDITOR.tools.extend({id:"cancel",type:"button",label:a.lang.common.cancel,"class":"cke_dialog_ui_button_cancel",onClick:function(a){a=a.data.dialog;!1!==a.fire("cancel",{hide:!0}).hide&&a.hide()}},c,!0)};a.type="button";a.override=function(b){return CKEDITOR.tools.extend(function(c){return a(c,
b)},{type:"button"},!0)};return a}(),addUIElement:function(a,b){this._.uiElementBuilders[a]=b}});CKEDITOR.dialog._={uiElementBuilders:{},dialogDefinitions:{},currentTop:null,currentZIndex:null};CKEDITOR.event.implementOn(CKEDITOR.dialog);CKEDITOR.event.implementOn(CKEDITOR.dialog.prototype);var aa={resizable:CKEDITOR.DIALOG_RESIZE_BOTH,minWidth:600,minHeight:400,buttons:[CKEDITOR.dialog.okButton,CKEDITOR.dialog.cancelButton]},D=function(a,b,c){for(var e=0,d;d=a[e];e++)if(d.id==b||c&&d[c]&&(d=D(d[c],
b,c)))return d;return null},E=function(a,b,c,e,d){if(c){for(var f=0,g;g=a[f];f++){if(g.id==c)return a.splice(f,0,b),b;if(e&&g[e]&&(g=E(g[e],b,c,e,!0)))return g}if(d)return null}a.push(b);return b},F=function(a,b,c){for(var e=0,d;d=a[e];e++){if(d.id==b)return a.splice(e,1);if(c&&d[c]&&(d=F(d[c],b,c)))return d}return null},P=function(a,b){this.dialog=a;for(var c=b.contents,e=0,d;d=c[e];e++)c[e]=d&&new M(a,d);CKEDITOR.tools.extend(this,b)};P.prototype={getContents:function(a){return D(this.contents,
a)},getButton:function(a){return D(this.buttons,a)},addContents:function(a,b){return E(this.contents,a,b)},addButton:function(a,b){return E(this.buttons,a,b)},removeContents:function(a){F(this.contents,a)},removeButton:function(a){F(this.buttons,a)}};M.prototype={get:function(a){return D(this.elements,a,"children")},add:function(a,b){return E(this.elements,a,b,"children")},remove:function(a){F(this.elements,a,"children")}};var J,z={},u,w={},Q=function(a){var b=a.data.$.ctrlKey||a.data.$.metaKey,c=
a.data.$.altKey,e=a.data.$.shiftKey,d=String.fromCharCode(a.data.$.keyCode);(b=w[(b?"CTRL+":"")+(c?"ALT+":"")+(e?"SHIFT+":"")+d])&&b.length&&(b=b[b.length-1],b.keydown&&b.keydown.call(b.uiElement,b.dialog,b.key),a.data.preventDefault())},R=function(a){var b=a.data.$.ctrlKey||a.data.$.metaKey,c=a.data.$.altKey,e=a.data.$.shiftKey,d=String.fromCharCode(a.data.$.keyCode);(b=w[(b?"CTRL+":"")+(c?"ALT+":"")+(e?"SHIFT+":"")+d])&&b.length&&(b=b[b.length-1],b.keyup&&(b.keyup.call(b.uiElement,b.dialog,b.key),
a.data.preventDefault()))},S=function(a,b,c,e,d){(w[c]||(w[c]=[])).push({uiElement:a,dialog:b,key:c,keyup:d||a.accessKeyUp,keydown:e||a.accessKeyDown})},ba=function(a){for(var b in w){for(var c=w[b],e=c.length-1;0<=e;e--)c[e].dialog!=a&&c[e].uiElement!=a||c.splice(e,1);0===c.length&&delete w[b]}},da=function(a,b){a._.accessKeyMap[b]&&a.selectPage(a._.accessKeyMap[b])},ca=function(){};(function(){CKEDITOR.ui.dialog={uiElement:function(a,b,c,e,d,f,g){if(!(4>arguments.length)){var h=(e.call?e(b):e)||
"div",p=["\x3c",h," "],m=(d&&d.call?d(b):d)||{},k=(f&&f.call?f(b):f)||{},q=(g&&g.call?g.call(this,a,b):g)||"",n=this.domId=k.id||CKEDITOR.tools.getNextId()+"_uiElement";b.requiredContent&&!a.getParentEditor().filter.check(b.requiredContent)&&(m.display="none",this.notAllowed=!0);k.id=n;var r={};b.type&&(r["cke_dialog_ui_"+b.type]=1);b.className&&(r[b.className]=1);b.disabled&&(r.cke_disabled=1);for(var l=k["class"]&&k["class"].split?k["class"].split(" "):[],n=0;n<l.length;n++)l[n]&&(r[l[n]]=1);l=
[];for(n in r)l.push(n);k["class"]=l.join(" ");b.title&&(k.title=b.title);r=(b.style||"").split(";");b.align&&(l=b.align,m["margin-left"]="left"==l?0:"auto",m["margin-right"]="right"==l?0:"auto");for(n in m)r.push(n+":"+m[n]);b.hidden&&r.push("display:none");for(n=r.length-1;0<=n;n--)""===r[n]&&r.splice(n,1);0<r.length&&(k.style=(k.style?k.style+"; ":"")+r.join("; "));for(n in k)p.push(n+'\x3d"'+CKEDITOR.tools.htmlEncode(k[n])+'" ');p.push("\x3e",q,"\x3c/",h,"\x3e");c.push(p.join(""));(this._||(this._=
{})).dialog=a;"boolean"==typeof b.isChanged&&(this.isChanged=function(){return b.isChanged});"function"==typeof b.isChanged&&(this.isChanged=b.isChanged);"function"==typeof b.setValue&&(this.setValue=CKEDITOR.tools.override(this.setValue,function(a){return function(c){a.call(this,b.setValue.call(this,c))}}));"function"==typeof b.getValue&&(this.getValue=CKEDITOR.tools.override(this.getValue,function(a){return function(){return b.getValue.call(this,a.call(this))}}));CKEDITOR.event.implementOn(this);
this.registerEvents(b);this.accessKeyUp&&this.accessKeyDown&&b.accessKey&&S(this,a,"CTRL+"+b.accessKey);var t=this;a.on("load",function(){var b=t.getInputElement();if(b){var c=t.type in{checkbox:1,ratio:1}&&CKEDITOR.env.ie&&8>CKEDITOR.env.version?"cke_dialog_ui_focused":"";b.on("focus",function(){a._.tabBarMode=!1;a._.hasFocus=!0;t.fire("focus");c&&this.addClass(c)});b.on("blur",function(){t.fire("blur");c&&this.removeClass(c)})}});CKEDITOR.tools.extend(this,b);this.keyboardFocusable&&(this.tabIndex=
b.tabIndex||0,this.focusIndex=a._.focusList.push(this)-1,this.on("focus",function(){a._.currentFocusIndex=t.focusIndex}))}},hbox:function(a,b,c,e,d){if(!(4>arguments.length)){this._||(this._={});var f=this._.children=b,g=d&&d.widths||null,h=d&&d.height||null,p,m={role:"presentation"};d&&d.align&&(m.align=d.align);CKEDITOR.ui.dialog.uiElement.call(this,a,d||{type:"hbox"},e,"table",{},m,function(){var a=['\x3ctbody\x3e\x3ctr class\x3d"cke_dialog_ui_hbox"\x3e'];for(p=0;p<c.length;p++){var b="cke_dialog_ui_hbox_child",
e=[];0===p&&(b="cke_dialog_ui_hbox_first");p==c.length-1&&(b="cke_dialog_ui_hbox_last");a.push('\x3ctd class\x3d"',b,'" role\x3d"presentation" ');g?g[p]&&e.push("width:"+v(g[p])):e.push("width:"+Math.floor(100/c.length)+"%");h&&e.push("height:"+v(h));d&&void 0!==d.padding&&e.push("padding:"+v(d.padding));CKEDITOR.env.ie&&CKEDITOR.env.quirks&&f[p].align&&e.push("text-align:"+f[p].align);0<e.length&&a.push('style\x3d"'+e.join("; ")+'" ');a.push("\x3e",c[p],"\x3c/td\x3e")}a.push("\x3c/tr\x3e\x3c/tbody\x3e");
return a.join("")})}},vbox:function(a,b,c,e,d){if(!(3>arguments.length)){this._||(this._={});var f=this._.children=b,g=d&&d.width||null,h=d&&d.heights||null;CKEDITOR.ui.dialog.uiElement.call(this,a,d||{type:"vbox"},e,"div",null,{role:"presentation"},function(){var b=['\x3ctable role\x3d"presentation" cellspacing\x3d"0" border\x3d"0" '];b.push('style\x3d"');d&&d.expand&&b.push("height:100%;");b.push("width:"+v(g||"100%"),";");CKEDITOR.env.webkit&&b.push("float:none;");b.push('"');b.push('align\x3d"',
CKEDITOR.tools.htmlEncode(d&&d.align||("ltr"==a.getParentEditor().lang.dir?"left":"right")),'" ');b.push("\x3e\x3ctbody\x3e");for(var e=0;e<c.length;e++){var k=[];b.push('\x3ctr\x3e\x3ctd role\x3d"presentation" ');g&&k.push("width:"+v(g||"100%"));h?k.push("height:"+v(h[e])):d&&d.expand&&k.push("height:"+Math.floor(100/c.length)+"%");d&&void 0!==d.padding&&k.push("padding:"+v(d.padding));CKEDITOR.env.ie&&CKEDITOR.env.quirks&&f[e].align&&k.push("text-align:"+f[e].align);0<k.length&&b.push('style\x3d"',
k.join("; "),'" ');b.push(' class\x3d"cke_dialog_ui_vbox_child"\x3e',c[e],"\x3c/td\x3e\x3c/tr\x3e")}b.push("\x3c/tbody\x3e\x3c/table\x3e");return b.join("")})}}}})();CKEDITOR.ui.dialog.uiElement.prototype={getElement:function(){return CKEDITOR.document.getById(this.domId)},getInputElement:function(){return this.getElement()},getDialog:function(){return this._.dialog},setValue:function(a,b){this.getInputElement().setValue(a);!b&&this.fire("change",{value:a});return this},getValue:function(){return this.getInputElement().getValue()},
isChanged:function(){return!1},selectParentTab:function(){for(var a=this.getInputElement();(a=a.getParent())&&-1==a.$.className.search("cke_dialog_page_contents"););if(!a)return this;a=a.getAttribute("name");this._.dialog._.currentTabId!=a&&this._.dialog.selectPage(a);return this},focus:function(){this.selectParentTab().getInputElement().focus();return this},registerEvents:function(a){var b=/^on([A-Z]\w+)/,c,e=function(a,b,c,d){b.on("load",function(){a.getInputElement().on(c,d,a)})},d;for(d in a)if(c=
d.match(b))this.eventProcessors[d]?this.eventProcessors[d].call(this,this._.dialog,a[d]):e(this,this._.dialog,c[1].toLowerCase(),a[d]);return this},eventProcessors:{onLoad:function(a,b){a.on("load",b,this)},onShow:function(a,b){a.on("show",b,this)},onHide:function(a,b){a.on("hide",b,this)}},accessKeyDown:function(){this.focus()},accessKeyUp:function(){},disable:function(){var a=this.getElement();this.getInputElement().setAttribute("disabled","true");a.addClass("cke_disabled")},enable:function(){var a=
this.getElement();this.getInputElement().removeAttribute("disabled");a.removeClass("cke_disabled")},isEnabled:function(){return!this.getElement().hasClass("cke_disabled")},isVisible:function(){return this.getInputElement().isVisible()},isFocusable:function(){return this.isEnabled()&&this.isVisible()?!0:!1}};CKEDITOR.ui.dialog.hbox.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{getChild:function(a){if(1>arguments.length)return this._.children.concat();a.splice||(a=[a]);return 2>
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arguments;return function(){var b=this&&this.getValue?this.getValue():a[0],c,d=CKEDITOR.VALIDATE_AND,e=[],f;for(f=0;f<a.length;f++)if("function"==typeof a[f])e.push(a[f]);else break;f<a.length&&"string"==typeof a[f]&&(c=a[f],f++);f<a.length&&"number"==typeof a[f]&&(d=a[f]);var n=d==CKEDITOR.VALIDATE_AND?!0:!1;for(f=0;f<e.length;f++)n=d==CKEDITOR.VALIDATE_AND?n&&e[f](b):n||e[f](b);return n?!0:c}},regex:function(a,b){return function(c){c=this&&this.getValue?this.getValue():c;return a.test(c)?!0:b}},
notEmpty:function(b){return this.regex(a,b)},integer:function(a){return this.regex(b,a)},number:function(a){return this.regex(c,a)},cssLength:function(a){return this.functions(function(a){return d.test(CKEDITOR.tools.trim(a))},a)},htmlLength:function(a){return this.functions(function(a){return e.test(CKEDITOR.tools.trim(a))},a)},inlineStyle:function(a){return this.functions(function(a){return f.test(CKEDITOR.tools.trim(a))},a)},equals:function(a,b){return this.functions(function(b){return b==a},b)},
notEqual:function(a,b){return this.functions(function(b){return b!=a},b)}};CKEDITOR.on("instanceDestroyed",function(a){if(CKEDITOR.tools.isEmpty(CKEDITOR.instances)){for(var b;b=CKEDITOR.dialog._.currentTop;)b.hide();for(var c in z)z[c].remove();z={}}a=a.editor._.storedDialogs;for(var d in a)a[d].destroy()})})();CKEDITOR.tools.extend(CKEDITOR.editor.prototype,{openDialog:function(a,b){var c=null,e=CKEDITOR.dialog._.dialogDefinitions[a];null===CKEDITOR.dialog._.currentTop&&N(this);if("function"==typeof e)c=
this._.storedDialogs||(this._.storedDialogs={}),c=c[a]||(c[a]=new CKEDITOR.dialog(this,a)),b&&b.call(c,c),c.show();else{if("failed"==e)throw O(this),Error('[CKEDITOR.dialog.openDialog] Dialog "'+a+'" failed when loading definition.');"string"==typeof e&&CKEDITOR.scriptLoader.load(CKEDITOR.getUrl(e),function(){"function"!=typeof CKEDITOR.dialog._.dialogDefinitions[a]&&(CKEDITOR.dialog._.dialogDefinitions[a]="failed");this.openDialog(a,b)},this,0,1)}CKEDITOR.skin.loadPart("dialog");return c}})})();
CKEDITOR.plugins.add("dialog",{requires:"dialogui",init:function(x){x.on("doubleclick",function(A){A.data.dialog&&x.openDialog(A.data.dialog)},null,null,999)}});CKEDITOR.plugins.add("about",{requires:"dialog",init:function(a){var b=a.addCommand("about",new CKEDITOR.dialogCommand("about"));b.modes={wysiwyg:1,source:1};b.canUndo=!1;b.readOnly=1;a.ui.addButton&&a.ui.addButton("About",{label:a.lang.about.title,command:"about",toolbar:"about"});CKEDITOR.dialog.add("about",this.path+"dialogs/about.js")}});CKEDITOR.plugins.add("basicstyles",{init:function(c){var e=0,d=function(g,d,b,a){if(a){a=new CKEDITOR.style(a);var f=h[b];f.unshift(a);c.attachStyleStateChange(a,function(a){!c.readOnly&&c.getCommand(b).setState(a)});c.addCommand(b,new CKEDITOR.styleCommand(a,{contentForms:f}));c.ui.addButton&&c.ui.addButton(g,{label:d,command:b,toolbar:"basicstyles,"+(e+=10)})}},h={bold:["strong","b",["span",function(a){a=a.styles["font-weight"];return"bold"==a||700<=+a}]],italic:["em","i",["span",function(a){return"italic"==
a.styles["font-style"]}]],underline:["u",["span",function(a){return"underline"==a.styles["text-decoration"]}]],strike:["s","strike",["span",function(a){return"line-through"==a.styles["text-decoration"]}]],subscript:["sub"],superscript:["sup"]},b=c.config,a=c.lang.basicstyles;d("Bold",a.bold,"bold",b.coreStyles_bold);d("Italic",a.italic,"italic",b.coreStyles_italic);d("Underline",a.underline,"underline",b.coreStyles_underline);d("Strike",a.strike,"strike",b.coreStyles_strike);d("Subscript",a.subscript,
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' onblur\x3d"this.style.cssText \x3d this.style.cssText;"');var c=c+(' onkeydown\x3d"return CKEDITOR.tools.callFunction({keydownFn},event);" onfocus\x3d"return CKEDITOR.tools.callFunction({focusFn},event);" '+(CKEDITOR.env.ie?'onclick\x3d"return false;" onmouseup':"onclick")+'\x3d"CKEDITOR.tools.callFunction({clickFn},this);return false;"\x3e\x3cspan class\x3d"cke_button_icon cke_button__{iconName}_icon" style\x3d"{style}"'),c=c+'\x3e\x26nbsp;\x3c/span\x3e\x3cspan id\x3d"{id}_label" class\x3d"cke_button_label cke_button__{name}_label" aria-hidden\x3d"false"\x3e{label}\x3c/span\x3e\x3cspan id\x3d"{id}_description" class\x3d"cke_button_label" aria-hidden\x3d"false"\x3e{ariaShortcut}\x3c/span\x3e{arrowHtml}\x3c/a\x3e',
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CKEDITOR.ui.button.prototype={render:function(a,b){function c(){var f=a.mode;f&&(f=this.modes[f]?void 0!==m[f]?m[f]:CKEDITOR.TRISTATE_OFF:CKEDITOR.TRISTATE_DISABLED,f=a.readOnly&&!this.readOnly?CKEDITOR.TRISTATE_DISABLED:f,this.setState(f),this.refresh&&this.refresh())}var n=CKEDITOR.env,p=this._.id=CKEDITOR.tools.getNextId(),g="",d=this.command,q,k,h;this._.editor=a;var e={id:p,button:this,editor:a,focus:function(){CKEDITOR.document.getById(p).focus()},execute:function(){this.button.click(a)},attach:function(a){this.button.attach(a)}},
v=CKEDITOR.tools.addFunction(function(a){if(e.onkey)return a=new CKEDITOR.dom.event(a),!1!==e.onkey(e,a.getKeystroke())}),w=CKEDITOR.tools.addFunction(function(a){var b;e.onfocus&&(b=!1!==e.onfocus(e,new CKEDITOR.dom.event(a)));return b}),r=0;e.clickFn=q=CKEDITOR.tools.addFunction(function(){r&&(a.unlockSelection(1),r=0);e.execute();n.iOS&&a.focus()});if(this.modes){var m={};a.on("beforeModeUnload",function(){a.mode&&this._.state!=CKEDITOR.TRISTATE_DISABLED&&(m[a.mode]=this._.state)},this);a.on("activeFilterChange",
c,this);a.on("mode",c,this);!this.readOnly&&a.on("readOnly",c,this)}else d&&(d=a.getCommand(d))&&(d.on("state",function(){this.setState(d.state)},this),g+=d.state==CKEDITOR.TRISTATE_ON?"on":d.state==CKEDITOR.TRISTATE_DISABLED?"disabled":"off");if(this.directional)a.on("contentDirChanged",function(b){var c=CKEDITOR.document.getById(this._.id),d=c.getFirst();b=b.data;b!=a.lang.dir?c.addClass("cke_"+b):c.removeClass("cke_ltr").removeClass("cke_rtl");d.setAttribute("style",CKEDITOR.skin.getIconStyle(l,
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a){return b.order==a.order?0:0>a.order?-1:0>b.order?1:b.order<a.order?-1:1});return b}function c(c,e){if(e.length){c.items?c.items.push(a.ui.create("-")):c.items=[];for(var d;d=e.shift();)d="string"==typeof d?d:d.name,b&&-1!=CKEDITOR.tools.indexOf(b,d)||(d=a.ui.create(d))&&a.addFeature(d)&&c.items.push(d)}}function h(b){var a=[],e,d,h;for(e=0;e<b.length;++e)d=b[e],h={},"/"==d?a.push(d):CKEDITOR.tools.isArray(d)?(c(h,CKEDITOR.tools.clone(d)),a.push(h)):d.items&&(c(h,CKEDITOR.tools.clone(d.items)),
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b.push('" onclick\x3d"CKEDITOR.tools.callFunction('+C+')"\x3e','\x3cspan class\x3d"cke_arrow"\x3e\x26#9650;\x3c/span\x3e',"\x3c/a\x3e")}b.push("\x3c/span\x3e");c.data.html+=b.join("")}});a.on("destroy",function(){if(this.toolbox){var a,d=0,b,e,f;for(a=this.toolbox.toolbars;d<a.length;d++)for(e=a[d].items,b=0;b<e.length;b++)f=e[b],f.clickFn&&CKEDITOR.tools.removeFunction(f.clickFn),f.keyDownFn&&CKEDITOR.tools.removeFunction(f.keyDownFn)}});a.on("uiReady",function(){var c=a.ui.space("toolbox");c&&a.focusManager.add(c,
1)});a.addCommand("toolbarFocus",E);a.setKeystroke(CKEDITOR.ALT+121,"toolbarFocus");a.ui.add("-",CKEDITOR.UI_SEPARATOR,{});a.ui.addHandler(CKEDITOR.UI_SEPARATOR,{create:function(){return{render:function(a,d){d.push('\x3cspan class\x3d"cke_toolbar_separator" role\x3d"separator"\x3e\x3c/span\x3e');return{}}}}})}});CKEDITOR.ui.prototype.addToolbarGroup=function(a,d,f){var c=v(this.editor),h=0===d,b={name:a};if(f){if(f=CKEDITOR.tools.search(c,function(a){return a.name==f})){!f.groups&&(f.groups=[]);if(d&&
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2-f/2?a.setStyle("left",k(n-e.x+p.x)):a.setStyle("left",k(n+d.width/2-f/2-h/2))}};CKEDITOR.plugins.notification=Notification;(function(){function q(b,a,c){a.type||(a.type="auto");if(c&&!1===b.fire("beforePaste",a)||!a.dataValue&&a.dataTransfer.isEmpty())return!1;a.dataValue||(a.dataValue="");if(CKEDITOR.env.gecko&&"drop"==a.method&&b.toolbox)b.once("afterPaste",function(){b.toolbox.focus()});return b.fire("paste",a)}function y(b){function a(){var a=b.editable();if(CKEDITOR.plugins.clipboard.isCustomCopyCutSupported){var c=function(a){b.readOnly&&"cut"==a.name||m.initPasteDataTransfer(a,b);a.data.preventDefault()};a.on("copy",
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b=a.editable(),c=this;b.attachListener(b,"keydown",function(a){c.onKeydown(a);if(e.ieFunctionalKeysBug(a.data.getKey()))c.onInput()},null,null,999);b.attachListener(b,CKEDITOR.env.ie?"keypress":"input",c.onInput,c,null,999);b.attachListener(b,"keyup",c.onKeyup,c,null,999);b.attachListener(b,"paste",c.ignoreInputEventListener,c,null,999);b.attachListener(b,"drop",c.ignoreInputEventListener,c,null,999);b.attachListener(b.isInline()?b:a.document.getDocumentElement(),"click",function(){c.onNavigationKey()},
null,null,999);b.attachListener(this.undoManager.editor,"blur",function(){c.keyEventsStack.remove(9)},null,null,999)}};var m=CKEDITOR.plugins.undo.KeyEventsStack=function(){this.stack=[]};m.prototype={push:function(a){a=this.stack.push({keyCode:a,inputs:0});return this.stack[a-1]},getLastIndex:function(a){if("number"!=typeof a)return this.stack.length-1;for(var b=this.stack.length;b--;)if(this.stack[b].keyCode==a)return b;return-1},getLast:function(a){a=this.getLastIndex(a);return-1!=a?this.stack[a]:
null},increment:function(a){this.getLast(a).inputs++},remove:function(a){a=this.getLastIndex(a);-1!=a&&this.stack.splice(a,1)},resetInputs:function(a){if("number"==typeof a)this.getLast(a).inputs=0;else for(a=this.stack.length;a--;)this.stack[a].inputs=0},getTotalInputs:function(){for(var a=this.stack.length,b=0;a--;)b+=this.stack[a].inputs;return b},cleanUp:function(a){a=a.data.$;a.ctrlKey||a.metaKey||this.remove(17);a.shiftKey||this.remove(16);a.altKey||this.remove(18)}}})();CKEDITOR.config.plugins='dialogui,dialog,about,basicstyles,button,toolbar,notification,clipboard,enterkey,entities,floatingspace,wysiwygarea,indent,indentlist,fakeobjects,link,list,undo';CKEDITOR.config.skin='moono-lisa';(function() {var setIcons = function(icons, strip) {var path = CKEDITOR.getUrl( 'plugins/' + strip );icons = icons.split( ',' );for ( var i = 0; i < icons.length; i++ )CKEDITOR.skin.icons[ icons[ i ] ] = { path: path, offset: -icons[ ++i ], bgsize : icons[ ++i ] };};if (CKEDITOR.env.hidpi) setIcons('about,0,,bold,24,,italic,48,,strike,72,,subscript,96,,superscript,120,,underline,144,,copy-rtl,168,,copy,192,,cut-rtl,216,,cut,240,,paste-rtl,264,,paste,288,,indent-rtl,312,,indent,336,,outdent-rtl,360,,outdent,384,,anchor-rtl,408,,anchor,432,,link,456,,unlink,480,,bulletedlist-rtl,504,,bulletedlist,528,,numberedlist-rtl,552,,numberedlist,576,,redo-rtl,600,,redo,624,,undo-rtl,648,,undo,672,','icons_hidpi.png');else setIcons('about,0,auto,bold,24,auto,italic,48,auto,strike,72,auto,subscript,96,auto,superscript,120,auto,underline,144,auto,copy-rtl,168,auto,copy,192,auto,cut-rtl,216,auto,cut,240,auto,paste-rtl,264,auto,paste,288,auto,indent-rtl,312,auto,indent,336,auto,outdent-rtl,360,auto,outdent,384,auto,anchor-rtl,408,auto,anchor,432,auto,link,456,auto,unlink,480,auto,bulletedlist-rtl,504,auto,bulletedlist,528,auto,numberedlist-rtl,552,auto,numberedlist,576,auto,redo-rtl,600,auto,redo,624,auto,undo-rtl,648,auto,undo,672,auto','icons.png');})();CKEDITOR.lang.languages={"af":1,"sq":1,"ar":1,"az":1,"eu":1,"bn":1,"bs":1,"bg":1,"ca":1,"zh-cn":1,"zh":1,"hr":1,"cs":1,"da":1,"nl":1,"en":1,"en-au":1,"en-ca":1,"en-gb":1,"eo":1,"et":1,"fo":1,"fi":1,"fr":1,"fr-ca":1,"gl":1,"ka":1,"de":1,"de-ch":1,"el":1,"gu":1,"he":1,"hi":1,"hu":1,"is":1,"id":1,"it":1,"ja":1,"km":1,"ko":1,"ku":1,"lv":1,"lt":1,"mk":1,"ms":1,"mn":1,"no":1,"nb":1,"oc":1,"fa":1,"pl":1,"pt-br":1,"pt":1,"ro":1,"ru":1,"sr":1,"sr-latn":1,"si":1,"sk":1,"sl":1,"es":1,"sv":1,"tt":1,"th":1,"tr":1,"ug":1,"uk":1,"vi":1,"cy":1};}());

$(document).ready(function () {

	
	// validation

	$('form').each(function () {
		$(this).validate({
			errorPlacement: function (error, element) {
				if (element.attr("type") == "checkbox") {
					error.appendTo( $(element).parents('.checkbox') );
				} else if (element.attr("type") == "radio") {
					error.appendTo( $(element).parents('.checkbox') );
				} else {
					// something else if it's not a checkbox
					error.appendTo( $(element).closest('.form-group') );
				}
			}
		});
	});


	// datepicker

	$('.pickadate').each(function () {
		var $this = $(this);

		$this.pickadate({
    		selectYears: true,
    		hiddenSuffix: '_submit',
			min: $this.attr('min') && $this.attr('min') !== '' ? $this.attr('min').split('-') : undefined,
			max: $this.attr('max') && $this.attr('max') !== '' ? $this.attr('max').split('-') : undefined,
		});
	});
	
	
	$('.pickatime').each(function () {
		var $this = $(this);

		$this.pickatime({
    		format: 'HH:i',
    		interval: 5,
    		hiddenSuffix: '_submit'
		});
	});
	
	
	$('.textarea--rte').each(function () {
    	var $this = $(this);
    	var tempID = 0

    	var id = $this.attr('id') && $this.attr('id') !== '' ? $this.attr('id') : (function () {
        	tempID = tempID + 1;
        	$this.attr('id','cke-editor-' + tempID);
        	return tempID;
    	})();

    	CKEDITOR.replace(id, {
            language: 'de',
            //uiColor: '#9AB8F3'
        });
	});
});




$(document).ready(function (){
    
    function uploadInit () {
	    
		$('.upload input[type=file]:not(.upload-initialised)').each(function () {
			var eventNamespace = '.upload';
			var labelInputValueAttr = 'data-input-value';
			var $input = $(this);
			$input.removeClass('empty');
			var $inputClone = $input.clone(true,true);
			var $label = $input.next('label');
			
			var setLabelInputValue = function () {
				var $input = $(this);
				
				if($input.val() && $input.val() !== ''){
					$input.removeClass('empty');
					$label.attr(labelInputValueAttr, $input.val().split('\\').pop());
				} else {
					$label.attr(labelInputValueAttr, '');
					$input.addClass('empty');
				}
			}
			
			if(!$input.val() || $input.val() === ''){
				$input.addClass('empty');
			}
			
			$label.attr(labelInputValueAttr,'');
			$input.on('change' + eventNamespace, setLabelInputValue);
			$label.on('click' + eventNamespace, function (event) {
		
				if($input.val() && $input.val() !== '' && $input.is(':valid')){
					event.preventDefault();
					$input.remove();
					$label.before($inputClone); // cant just empty val because of ie
					$input = $inputClone;
					
					if(!$input.val() || $input.val() === ''){
						$input.addClass('empty');
					}
			
					$inputClone = $input.clone(true,true);
					$inputClone.removeClass('empty');
					$input.off('change' + eventNamespace);
					$input.on('change' + eventNamespace, setLabelInputValue);
					$label.attr(labelInputValueAttr,'');
				}
			});
			
			$input.addClass('upload-initialised');
		});
    }

    
    function multipleFielset ($selector) {
        if($selector.length < 1) return;
        var $multis = $selector;
        var uid = $multis.length;
        var $multisButtonCreate = $multis.find('button:last-child');
        var $multisButtonRemove = $multis.find('button:first-child');
        var patternStart = patternStart || '';
        var patternEnd = patternEnd || '';
        
        $multisButtonRemove.hide();
        $multisButtonCreate.off('click.multipleFielset');
        $multisButtonCreate.on('click.multipleFielset', function (event) {
            uid = uid + 1;
            event.preventDefault();
            var $buttonCreate = $(this);
            var $multi = $buttonCreate.parent().parent();
            var $clone = $multi.clone(true, true);
            $clone.find('.upload input,.upload label').off();
            $clone.find('.upload-initialised').removeClass('upload-initialised');
            $clone.find('input, textarea, select').val('');
            $clone.find('label.error').remove();
            var $cloneButtonRemove = $clone.find('button:first-child');
            $buttonCreate.hide();
            $multi.find('button:first-child').show();
            $cloneButtonRemove.show();
            $clone.find('input, textarea, select').each(function () {
                var $input = $(this);
                var id =  $input.attr('data-patternstart') + '[' + uid + ']' + '[' + $input.attr('data-patternend') + ']';
                $input.attr('id', id);
                $input.attr('name', id);
                $input.parent().find('label').attr('for', id);
            });
            $clone.insertAfter($multi);
            $cloneButtonRemove.add($multi.find('button:first-child')).off('click.multipleFielset');
            $cloneButtonRemove.add($multi.find('button:first-child')).on('click.multipleFielset', function (event) {
                event.preventDefault();
                var $buttonRemove = $(this);
                var $multi = $buttonRemove.parent().parent();
                $multi.remove();
                if($('.' + $multi.attr('class')).length <= 1){
                    $('.' + $multi.attr('class')).find('button:first-child').hide();
                }
                $('.' + $multi.attr('class')).eq($('.' + $multi.attr('class')).length - 1).find('button:last-child').show();
            });
            uploadInit();
        });
    }
    
    uploadInit();
    multipleFielset ($('.multiple-links'));
    multipleFielset ($('.multiple-docs'));
});




$(document).ready(function (){
	
	$("form p:not('.SelectBox')").each(function(){
		
		var text = $(this).text();
		var words = text.split(' ');
		var newtext = '';
		
		for (var i = 0, l = words.length; i < l; i++) {
        	
        	if ( words[i] == "Datenschutzerklärung" ) {
	        	
	        	newtext += '<a href="/rechtliches/datenschutz/" title="Zur Datenschutzerklärung" target="_blank">Datenschutzerklärung</a> ';
	        	
        	}else if ( words[i].replace('.','') == "Datenschutzerklärung" ) {
	        	
	        	newtext += '<a href="/rechtliches/datenschutz/" title="Zur Datenschutzerklärung" target="_blank">Datenschutzerklärung</a>.';
	        	
        	} else {
	        	
	        	newtext += words[i]+' ';
	        	
        	}
	    }
		
		$(this).html( newtext );
		
	})
	
});
$(document).ready(function(){

	
	$(".filter--toogle__btn").on("click",function(event){
		
		event.preventDefault();
		
		$(this).parent().hide();
		
		var target = $(this).attr("data-target");
		
		$( target ).show();
		
	});
	
	$(".filter--toogle__close").on("click",function(event){
		
		event.preventDefault();
		
		var target = $(this).attr("data-target");
		$( target ).hide();
		
		var btn = $(this).attr("data-btn");
		$( btn ).parent().show();
		
	});
	
	
	$(".filter--reset").on("click",function(event){
		
		event.preventDefault();
		
		$('.filter input[type="text"]').val("");
		//$(".filter select option").removeAttr("selected");
		$(".filter .SumoSelect .options .selected").click();
		
	});
	
	
});
$(document).ready(function(){
	
	var $window = $(window);
	
	/*
	var currentState = window.history.length;	
	if( currentState > 0 ) {
	*/
	if (document.referrer == "") {
	
	} else {
		
		var $backto = $('<div class="back-to"><span class="sr-only">Zur vorherigen Seite</span></div>').appendTo('body');
		
		$backto.on('click', function (event) {
		
			event.preventDefault();
			
			window.history.back();
		
		});
	
	
	}
	
	
	/*
	function topVisible (event) {

		var windowScrollTop = $window.scrollTop();

		if(windowScrollTop > offsetTop && topVisible.state !== true ){

			topVisible.state = true;

			$top.addClass('visible');

		} else if (windowScrollTop <= offsetTop && topVisible.state !== false){

			topVisible.state = false;

			$top.removeClass('visible');
		}
	}

	topVisible.state = undefined;

	$window.on('scroll.top', topVisible);

	topVisible();
	*/
	
});

/*
$(document).ready(function(){
	
	
	$(".btn--back").on("click",function(event){
		
		var currentState = window.history.length;
		
		if( currentState > 0 ) {
		
			event.preventDefault();
			window.history.back();
			
		}
		
	});
	
	
});
*/
$(document).ready(function(){
	
	var $window = $(window);

	var offsetTop = $window.height();

	var $top = $('<div class="top-scroll"><span class="sr-only">Zum Seitenanfang</span></div>').appendTo('body');

	$top.on('click', function (event) {

		$('body').velocity("scroll", {
			duration: 800
		});

	});

	function topVisible (event) {

		var windowScrollTop = $window.scrollTop();

		if(windowScrollTop > offsetTop && topVisible.state !== true ){

			topVisible.state = true;

			$top.addClass('visible');

		} else if (windowScrollTop <= offsetTop && topVisible.state !== false){

			topVisible.state = false;

			$top.removeClass('visible');
		}
	}

	topVisible.state = undefined;

	$window.on('scroll.top', topVisible);

	topVisible();
});

$(document).ready(function(){
	
	if( $(".share").length > 0 ){
	
		var currentLocation = encodeURIComponent( $("meta[property='og:url']").attr("content") );
		var currentTitle= encodeURIComponent( $("meta[property='og:title']").attr("content") );			
		var currentSiteName= encodeURIComponent( $("meta[property='og:site_name']").attr("content") );
		var currentDesc= encodeURIComponent( $("meta[property='og:description']").attr("content") );
		
		if(currentDesc == 'undefined') {
			currentDesc = '';
		}
		if (currentSiteName == 'undefined') {
			currentSiteName = '';
		}
	
		$(".share .icon-mail").attr(
			"href",
			//'mailto:?subject=Empfehlung:' + mailURI
			'mailto:?subject=Empfehlung: ' + currentTitle + ' von ' + currentSiteName + '&body=' + currentTitle + '%0D%0A'+ currentDesc + '%0D%0A%0D%0A' + currentLocation
		);
	}
});
$(function(){
    
  var $closer = $('<div class="close_box"></div>').click(function(){
    $('.radar_content.active').removeClass('active').fadeOut();
  });

  $('.radar_content').prepend($closer).each(function(){
    var number = $(this).attr('id').replace(/radar_content_/g, '');

    if ( number < 10 ) number = '0'+number;

    $(this).prepend($('<div class="number">'+number+'</div>'));
  });

  $('.radar').click(function(evt){


    $('.radar_content.active').removeClass('active').hide();

    // welchen Block sollen wir öffnen?
    var blockId = $(this).attr('id').replace(/_navi_/g, '_content_');

    $('#'+blockId).addClass('active').fadeIn();

    return false;
  });
});

(function ($) {

    function manageClassByScrollDirection (lastScrollDirection) {

        if(lastScrollDirection !== this.data('elementDirectionAndOffsetByScroll').state.scrollDirection){

            if(this.data('elementDirectionAndOffsetByScroll').state.scrollDirection === 'down'){

                this.addClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionDown);
                this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionUp);
            } else {

                this.addClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionUp);
                this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionDown);
            }

            if(this.data('elementDirectionAndOffsetByScroll').options.callbackScrollDirection){

                if(typeof this.data('elementDirectionAndOffsetByScroll').options.callbackScrollDirection === 'function'){

                    this.data('elementDirectionAndOffsetByScroll').options.callbackScrollDirection.call(this,
                        this.data('elementDirectionAndOffsetByScroll').state.scrollDirection
                    )
                }
            }
        }

        return this;
    }

    function manageClassByOffset (lastscrollOffsetSmall, lastscrollOffsetOut) {

        if(lastscrollOffsetSmall !== this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall){

            if(this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall){

                this.addClass(this.data('elementDirectionAndOffsetByScroll').options.classOffsetSmall);
            } else {

                this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classOffsetSmall);
            }

            if(this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetSmall){

                if(typeof this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetSmall === 'function'){

                    this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetSmall.call(this,
                        this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall
                    )
                }
            }
        }

        if(lastscrollOffsetOut !== this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut){

            if(this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut){

                this.addClass(this.data('elementDirectionAndOffsetByScroll').options.classOffsetOut);
            } else {

                this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classOffsetOut);
            }

            if(this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetOut){

                if(typeof this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetOut === 'function'){

                    this.data('elementDirectionAndOffsetByScroll').options.callbackOffsetOut.call(this,
                        this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut
                    )
                }
            }
        }

        return this;
    }

    function manageScroll (scrollTop) {
        
        var lastScrollTop =  this.data('elementDirectionAndOffsetByScroll').state.scrollTop;
        var lastScrollDirection = this.data('elementDirectionAndOffsetByScroll').state.scrollDirection;
        var lastscrollOffsetSmall = this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall;
        var lastscrollOffsetOut =  this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut;

        if(lastScrollTop !== scrollTop){

            this.data('elementDirectionAndOffsetByScroll').state.scrollTop = scrollTop;

            if(scrollTop > lastScrollTop){

                this.data('elementDirectionAndOffsetByScroll').state.scrollDirection = 'down';
                this.data('elementDirectionAndOffsetByScroll').state.scrollDifference = scrollTop - lastScrollTop;
            } else {

                this.data('elementDirectionAndOffsetByScroll').state.scrollDirection = 'up';
                this.data('elementDirectionAndOffsetByScroll').state.scrollDifference = lastScrollTop - scrollTop;
            }

            manageClassByScrollDirection.call(this, lastScrollDirection)
        }

        if(scrollTop > this.data('elementDirectionAndOffsetByScroll').options.offsetSmall){

            this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall = true;
        } else {

            this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetSmall = false;
        }

        if(scrollTop > this.data('elementDirectionAndOffsetByScroll').options.offsetOut){

            this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut = true;
        } else {

            this.data('elementDirectionAndOffsetByScroll').state.scrollOffsetOut = false;
        }

        manageClassByOffset.call(this, lastscrollOffsetSmall, lastscrollOffsetOut);

        //this.attr('data-scrolltop', scrollTop); // Waiting for https://developer.mozilla.org/de/docs/Web/CSS/attr not content only support

        return this;
    }

    function init (options) {

        this.data('elementDirectionAndOffsetByScroll', {
            options : $.extend({
                offsetSmall: 0,
                offsetOut: 0,
                container : $(document),
                classInit : 'element-direction-and-offset-by-scroll',
                classScrollDirectionDown : 'scroll-direction-is-down',
                classScrollDirectionUp : 'scroll-direction-is-up',
                classOffsetSmall: 'scroll-offset-small-is-reached',
                classOffsetOut : 'scroll-offset-out-is-reached',
                callbackScrollDirection : null /*function (scrollDirection) {
                    console.log(scrollDirection)
                    console.log(this)
                } */,
                callbackOffsetSmall : null/* function (scrollOffsetSmall) {
                    console.log(scrollOffsetSmall)
                    console.log(this)
                } */
            }, options)
        });
        

        this.data('elementDirectionAndOffsetByScroll').state = {
            scrollTop : this.data('elementDirectionAndOffsetByScroll').options.container.scrollTop(),
            scrollDirection : null,
            scrollDifference : null,
            scrollOffsetSmall: null,
            scrollOffsetOut : null
        }

        manageScroll.call(this, this.data('elementDirectionAndOffsetByScroll').options.container.scrollTop());

        this.addClass(this.data('elementDirectionAndOffsetByScroll').options.classInit);

        this.data('elementDirectionAndOffsetByScroll').options.container.on('scroll.elementDirectionAndOffsetByScroll', $.proxy(function(event) {

             manageScroll.call(this, $(event.target).scrollTop());
        },this));

        return this;
    }

    function destroy () {

        this.data('elementDirectionAndOffsetByScroll').options.container.off('scroll.elementDirectionAndOffsetByScroll');

        this.data('elementDirectionAndOffsetByScroll', null);
        
        this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionDown);
        this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classScrollDirectionUp);
        this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classOffsetSmall);
        this.removeClass(this.data('elementDirectionAndOffsetByScroll').options.classInit);

        return this;
    }
 
    $.fn.elementDirectionAndOffsetByScroll = function(action, options) {

        switch (action) {
            case 'init':
                init.call(this, options)
                break;
            case 'destroy':
                destroy.call(this, options)
                break;
            default:
                init.call(this, options)
        }

        return this;
    };
}(jQuery));

// shrinked
$(document).ready(function () {

    $('.navbar').elementDirectionAndOffsetByScroll('init', {
        offsetSmall : 200, // Best practice: header-height - header-small-height
        offsetOut : 180 // Best practice: header-height,
        /*
        container : $(document),
        classInit : 'element-direction-and-offset-by-scroll',
        classScrollDirectionDown : 'scroll-direction-is-down',
        classScrollDirectionUp : 'scroll-direction-is-up',
        classOffsetSmall: 'scroll-offset-small-is-reached',
        classOffsetOut : 'scroll-offset-out-is-reached',
        callbackScrollDirection : function (scrollDirection) {
            console.log(scrollDirection)
            console.log(this)
        },
        callbackOffsetSmall : function (scrollOffsetSmall) {
            console.log(scrollOffsetSmall)
            console.log(this)
        }*/
    });
  
    //$('.fixed-header').elementDirectionAndOffsetByScroll('destroy');
    
});
// Close all sub-navs on close not possible via css
$(document).ready(function () {
  var $nav = $('.slide-nav-root');
  var $navCheckboxes = $nav.find('.slide-nav-checkbox');
  var $rootCheckbox = $('#slide-nav-checkbox-root');
  $rootCheckbox.on('change', function () {
    var $this = $(this);
    if (!$this.prop('checked')) {
      $navCheckboxes.prop('checked', false);
    }
  });
});

// Scroll up on checkbox change
$(document).ready(function () {
  var $navCheckboxes = $('.slide-nav-checkbox');
  $navCheckboxes.on('change', function () {
    $('.slide-nav-root, .slide-nav-root *').scrollTop(0);
  });
});
/*!
 * hoverIntent v1.9.0 // 2017.09.01 // jQuery v1.7.0+
 * http://briancherne.github.io/jquery-hoverIntent/
 *
 * You may use hoverIntent under the terms of the MIT license. Basically that
 * means you are free to use hoverIntent as long as this header is left intact.
 * Copyright 2007-2017 Brian Cherne
 */

/* hoverIntent is similar to jQuery's built-in "hover" method except that
 * instead of firing the handlerIn function immediately, hoverIntent checks
 * to see if the user's mouse has slowed down (beneath the sensitivity
 * threshold) before firing the event. The handlerOut function is only
 * called after a matching handlerIn.
 *
 * // basic usage ... just like .hover()
 * .hoverIntent( handlerIn, handlerOut )
 * .hoverIntent( handlerInOut )
 *
 * // basic usage ... with event delegation!
 * .hoverIntent( handlerIn, handlerOut, selector )
 * .hoverIntent( handlerInOut, selector )
 *
 * // using a basic configuration object
 * .hoverIntent( config )
 *
 * @param  handlerIn   function OR configuration object
 * @param  handlerOut  function OR selector for delegation OR undefined
 * @param  selector    selector OR undefined
 * @author Brian Cherne <brian(at)cherne(dot)net>
 */

;(function(factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory);
    } else if (jQuery && !jQuery.fn.hoverIntent) {
        factory(jQuery);
    }
})(function($) {
    'use strict';

    // default configuration values
    var _cfg = {
        interval: 100,
        sensitivity: 6,
        timeout: 0
    };

    // counter used to generate an ID for each instance
    var INSTANCE_COUNT = 0;

    // current X and Y position of mouse, updated during mousemove tracking (shared across instances)
    var cX, cY;

    // saves the current pointer position coordinates based on the given mousemove event
    var track = function(ev) {
        cX = ev.pageX;
        cY = ev.pageY;
    };

    // compares current and previous mouse positions
    var compare = function(ev,$el,s,cfg) {
        // compare mouse positions to see if pointer has slowed enough to trigger `over` function
        if ( Math.sqrt( (s.pX-cX)*(s.pX-cX) + (s.pY-cY)*(s.pY-cY) ) < cfg.sensitivity ) {
            $el.off(s.event,track);
            delete s.timeoutId;
            // set hoverIntent state as active for this element (permits `out` handler to trigger)
            s.isActive = true;
            // overwrite old mouseenter event coordinates with most recent pointer position
            ev.pageX = cX; ev.pageY = cY;
            // clear coordinate data from state object
            delete s.pX; delete s.pY;
            return cfg.over.apply($el[0],[ev]);
        } else {
            // set previous coordinates for next comparison
            s.pX = cX; s.pY = cY;
            // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
            s.timeoutId = setTimeout( function(){compare(ev, $el, s, cfg);} , cfg.interval );
        }
    };

    // triggers given `out` function at configured `timeout` after a mouseleave and clears state
    var delay = function(ev,$el,s,out) {
        delete $el.data('hoverIntent')[s.id];
        return out.apply($el[0],[ev]);
    };

    $.fn.hoverIntent = function(handlerIn,handlerOut,selector) {
        // instance ID, used as a key to store and retrieve state information on an element
        var instanceId = INSTANCE_COUNT++;

        // extend the default configuration and parse parameters
        var cfg = $.extend({}, _cfg);
        if ( $.isPlainObject(handlerIn) ) {
            cfg = $.extend(cfg, handlerIn);
            if ( !$.isFunction(cfg.out) ) {
                cfg.out = cfg.over;
            }
        } else if ( $.isFunction(handlerOut) ) {
            cfg = $.extend(cfg, { over: handlerIn, out: handlerOut, selector: selector } );
        } else {
            cfg = $.extend(cfg, { over: handlerIn, out: handlerIn, selector: handlerOut } );
        }

        // A private function for handling mouse 'hovering'
        var handleHover = function(e) {
            // cloned event to pass to handlers (copy required for event object to be passed in IE)
            var ev = $.extend({},e);

            // the current target of the mouse event, wrapped in a jQuery object
            var $el = $(this);

            // read hoverIntent data from element (or initialize if not present)
            var hoverIntentData = $el.data('hoverIntent');
            if (!hoverIntentData) { $el.data('hoverIntent', (hoverIntentData = {})); }

            // read per-instance state from element (or initialize if not present)
            var state = hoverIntentData[instanceId];
            if (!state) { hoverIntentData[instanceId] = state = { id: instanceId }; }

            // state properties:
            // id = instance ID, used to clean up data
            // timeoutId = timeout ID, reused for tracking mouse position and delaying "out" handler
            // isActive = plugin state, true after `over` is called just until `out` is called
            // pX, pY = previously-measured pointer coordinates, updated at each polling interval
            // event = string representing the namespaced event used for mouse tracking

            // clear any existing timeout
            if (state.timeoutId) { state.timeoutId = clearTimeout(state.timeoutId); }

            // namespaced event used to register and unregister mousemove tracking
            var mousemove = state.event = 'mousemove.hoverIntent.hoverIntent'+instanceId;

            // handle the event, based on its type
            if (e.type === 'mouseenter') {
                // do nothing if already active
                if (state.isActive) { return; }
                // set "previous" X and Y position based on initial entry point
                state.pX = ev.pageX; state.pY = ev.pageY;
                // update "current" X and Y position based on mousemove
                $el.off(mousemove,track).on(mousemove,track);
                // start polling interval (self-calling timeout) to compare mouse coordinates over time
                state.timeoutId = setTimeout( function(){compare(ev,$el,state,cfg);} , cfg.interval );
            } else { // "mouseleave"
                // do nothing if not already active
                if (!state.isActive) { return; }
                // unbind expensive mousemove event
                $el.off(mousemove,track);
                // if hoverIntent state is true, then call the mouseOut function after the specified delay
                state.timeoutId = setTimeout( function(){delay(ev,$el,state,cfg.out);} , cfg.timeout );
            }
        };

        // listen for mouseenter and mouseleave
        return this.on({'mouseenter.hoverIntent':handleHover,'mouseleave.hoverIntent':handleHover}, cfg.selector);
    };
});

// Hover-intent
$(document).ready(function () {
    
    var $navLis = $('.navigation > ul > li');
    
    function over () {
        $(this).addClass('hoverIntent')
    }
    
    function out () {
        $(this).removeClass('hoverIntent')
    }
    
    $navLis.addClass('nohover')
    $navLis.hoverIntent({
        over: over,
        out: out,
        timeout: 250
    });
});
//=require ../../patterns/organisms/navigation/navigation-mobile.js
$(document).ready(function(){

	/*
	$(".filter--toogle__btn").on("click",function(event){
		
		event.preventDefault();
		
		$(this).parent().hide();
		
		var target = $(this).attr("data-target");
		
		$( target ).show();
		
	});
	*/
	
	$(".ti-map--pin").each(function(){
		
		$("text",this).text( $( "#ti-map--link_" + $(this).attr("data-id") ).text() );
		
	});
	
	/*
var ctx = document.getElementById("ti-map"),
textElm = ctx.getElementById( "ti-map--text_bbb" ),
SVGRect = textElm.getBBox();

var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
rect.setAttribute("x", SVGRect.x);
rect.setAttribute("y", SVGRect.y);
rect.setAttribute("width", SVGRect.width);
rect.setAttribute("height", SVGRect.height);
rect.setAttribute("fill", "yellow");

ctx.insertBefore(rect, textElm);
	
	*/
	
	
	$(".ti-map--pin").hover(
		function(){
			$("text",this).show();
			$( "#ti-map--link_" + $(this).attr("data-id") ).css("color","#3695d8");
		},
		function(){
			$("text",this).hide();
			$( "#ti-map--link_" + $(this).attr("data-id") ).css("color","");
		}
	);
	
	
	
	$(".regiomap .links a").hover(
		function(){
			$( ".ti-map--text_" + $(this).attr("data-id") ).show();
			$( "#ti-map--pin_" + $(this).attr("data-id") ).css("color","#3695d8");
		},
		function(){
			$( ".ti-map--text_" + $(this).attr("data-id") ).hide();
			$( "#ti-map--pin_" + $(this).attr("data-id") ).css("color","");
		}
	)
	
	
	
	$(".ti-map--pin").on("click",function(event){
		
		event.preventDefault();
		
		window.location.href = $( "#ti-map--link_" + $(this).attr("data-id") ).attr("href");
		
	});
	
	
});
//# sourceMappingURL=core.js.map

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