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From za...@apache.org
Subject [09/20] cordova-firefoxos git commit: CB-7567 Don't use adm-zip because it creates invalid zip files
Date Fri, 20 Feb 2015 19:38:03 GMT
http://git-wip-us.apache.org/repos/asf/cordova-firefoxos/blob/bd21ce3b/node_modules/archiver/node_modules/lodash/index.js
----------------------------------------------------------------------
diff --git a/node_modules/archiver/node_modules/lodash/index.js b/node_modules/archiver/node_modules/lodash/index.js
new file mode 100644
index 0000000..82800d2
--- /dev/null
+++ b/node_modules/archiver/node_modules/lodash/index.js
@@ -0,0 +1,11242 @@
+/**
+ * @license
+ * lodash 3.2.0 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modern -d -o ./index.js`
+ * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <https://lodash.com/license>
+ */
+;(function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /** Used as the semantic version number. */
+  var VERSION = '3.2.0';
+
+  /** Used to compose bitmasks for wrapper metadata. */
+  var BIND_FLAG = 1,
+      BIND_KEY_FLAG = 2,
+      CURRY_BOUND_FLAG = 4,
+      CURRY_FLAG = 8,
+      CURRY_RIGHT_FLAG = 16,
+      PARTIAL_FLAG = 32,
+      PARTIAL_RIGHT_FLAG = 64,
+      REARG_FLAG = 128,
+      ARY_FLAG = 256;
+
+  /** Used as default options for `_.trunc`. */
+  var DEFAULT_TRUNC_LENGTH = 30,
+      DEFAULT_TRUNC_OMISSION = '...';
+
+  /** Used to detect when a function becomes hot. */
+  var HOT_COUNT = 150,
+      HOT_SPAN = 16;
+
+  /** Used to indicate the type of lazy iteratees. */
+  var LAZY_FILTER_FLAG = 0,
+      LAZY_MAP_FLAG = 1,
+      LAZY_WHILE_FLAG = 2;
+
+  /** Used as the `TypeError` message for "Functions" methods. */
+  var FUNC_ERROR_TEXT = 'Expected a function';
+
+  /** Used as the internal argument placeholder. */
+  var PLACEHOLDER = '__lodash_placeholder__';
+
+  /** `Object#toString` result references. */
+  var argsTag = '[object Arguments]',
+      arrayTag = '[object Array]',
+      boolTag = '[object Boolean]',
+      dateTag = '[object Date]',
+      errorTag = '[object Error]',
+      funcTag = '[object Function]',
+      mapTag = '[object Map]',
+      numberTag = '[object Number]',
+      objectTag = '[object Object]',
+      regexpTag = '[object RegExp]',
+      setTag = '[object Set]',
+      stringTag = '[object String]',
+      weakMapTag = '[object WeakMap]';
+
+  var arrayBufferTag = '[object ArrayBuffer]',
+      float32Tag = '[object Float32Array]',
+      float64Tag = '[object Float64Array]',
+      int8Tag = '[object Int8Array]',
+      int16Tag = '[object Int16Array]',
+      int32Tag = '[object Int32Array]',
+      uint8Tag = '[object Uint8Array]',
+      uint8ClampedTag = '[object Uint8ClampedArray]',
+      uint16Tag = '[object Uint16Array]',
+      uint32Tag = '[object Uint32Array]';
+
+  /** Used to match empty string literals in compiled template source. */
+  var reEmptyStringLeading = /\b__p \+= '';/g,
+      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+
+  /** Used to match HTML entities and HTML characters. */
+  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g,
+      reUnescapedHtml = /[&<>"'`]/g,
+      reHasEscapedHtml = RegExp(reEscapedHtml.source),
+      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+  /** Used to match template delimiters. */
+  var reEscape = /<%-([\s\S]+?)%>/g,
+      reEvaluate = /<%([\s\S]+?)%>/g,
+      reInterpolate = /<%=([\s\S]+?)%>/g;
+
+  /**
+   * Used to match ES template delimiters.
+   * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-template-literal-lexical-components)
+   * for more details.
+   */
+  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+
+  /** Used to match `RegExp` flags from their coerced string values. */
+  var reFlags = /\w*$/;
+
+  /** Used to detect named functions. */
+  var reFuncName = /^\s*function[ \n\r\t]+\w/;
+
+  /** Used to detect hexadecimal string values. */
+  var reHexPrefix = /^0[xX]/;
+
+  /** Used to detect host constructors (Safari > 5). */
+  var reHostCtor = /^\[object .+?Constructor\]$/;
+
+  /** Used to match latin-1 supplementary letters (excluding mathematical operators). */
+  var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g;
+
+  /** Used to ensure capturing order of template delimiters. */
+  var reNoMatch = /($^)/;
+
+  /**
+   * Used to match `RegExp` special characters.
+   * See this [article on `RegExp` characters](http://www.regular-expressions.info/characters.html#special)
+   * for more details.
+   */
+  var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
+      reHasRegExpChars = RegExp(reRegExpChars.source);
+
+  /** Used to detect functions containing a `this` reference. */
+  var reThis = /\bthis\b/;
+
+  /** Used to match unescaped characters in compiled string literals. */
+  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+
+  /** Used to match words to create compound words. */
+  var reWords = (function() {
+    var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
+        lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
+
+    return RegExp(upper + '{2,}(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
+  }());
+
+  /** Used to detect and test for whitespace. */
+  var whitespace = (
+    // Basic whitespace characters.
+    ' \t\x0b\f\xa0\ufeff' +
+
+    // Line terminators.
+    '\n\r\u2028\u2029' +
+
+    // Unicode category "Zs" space separators.
+    '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
+  );
+
+  /** Used to assign default `context` object properties. */
+  var contextProps = [
+    'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
+    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number',
+    'Object', 'RegExp', 'Set', 'String', '_', 'clearTimeout', 'document',
+    'isFinite', 'parseInt', 'setTimeout', 'TypeError', 'Uint8Array',
+    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
+    'window', 'WinRTError'
+  ];
+
+  /** 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[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[boolTag] =
+  cloneableTags[dateTag] = cloneableTags[float32Tag] =
+  cloneableTags[float64Tag] = cloneableTags[int8Tag] =
+  cloneableTags[int16Tag] = cloneableTags[int32Tag] =
+  cloneableTags[numberTag] = cloneableTags[objectTag] =
+  cloneableTags[regexpTag] = cloneableTags[stringTag] =
+  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+  cloneableTags[errorTag] = cloneableTags[funcTag] =
+  cloneableTags[mapTag] = cloneableTags[setTag] =
+  cloneableTags[weakMapTag] = false;
+
+  /** Used as an internal `_.debounce` options object by `_.throttle`. */
+  var debounceOptions = {
+    'leading': false,
+    'maxWait': 0,
+    'trailing': false
+  };
+
+  /** Used to map latin-1 supplementary letters to basic latin letters. */
+  var deburredLetters = {
+    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+    '\xc7': 'C',  '\xe7': 'c',
+    '\xd0': 'D',  '\xf0': 'd',
+    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+    '\xcC': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+    '\xeC': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+    '\xd1': 'N',  '\xf1': 'n',
+    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+    '\xc6': 'Ae', '\xe6': 'ae',
+    '\xde': 'Th', '\xfe': 'th',
+    '\xdf': 'ss'
+  };
+
+  /** Used to map characters to HTML entities. */
+  var htmlEscapes = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;',
+    '`': '&#96;'
+  };
+
+  /** Used to map HTML entities to characters. */
+  var htmlUnescapes = {
+    '&amp;': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&#39;': "'",
+    '&#96;': '`'
+  };
+
+  /** Used to determine if values are of the language type `Object`. */
+  var objectTypes = {
+    'function': true,
+    'object': true
+  };
+
+  /** Used to escape characters for inclusion in compiled string literals. */
+  var stringEscapes = {
+    '\\': '\\',
+    "'": "'",
+    '\n': 'n',
+    '\r': 'r',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  /**
+   * Used as a reference to the global object.
+   *
+   * The `this` value is used if it is the global object to avoid Greasemonkey's
+   * restricted `window` object, otherwise the `window` object is used.
+   */
+  var root = (objectTypes[typeof window] && window !== (this && this.window)) ? window : this;
+
+  /** Detect free variable `exports`. */
+  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
+
+  /** Detect free variable `module`. */
+  var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
+
+  /** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
+  var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
+  if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
+    root = freeGlobal;
+  }
+
+  /** Detect the popular CommonJS extension `module.exports`. */
+  var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The base implementation of `compareAscending` which compares values and
+   * sorts them in ascending order without guaranteeing a stable sort.
+   *
+   * @private
+   * @param {*} value The value to compare to `other`.
+   * @param {*} other The value to compare to `value`.
+   * @returns {number} Returns the sort order indicator for `value`.
+   */
+  function baseCompareAscending(value, other) {
+    if (value !== other) {
+      var valIsReflexive = value === value,
+          othIsReflexive = other === other;
+
+      if (value > other || !valIsReflexive || (typeof value == 'undefined' && othIsReflexive)) {
+        return 1;
+      }
+      if (value < other || !othIsReflexive || (typeof other == 'undefined' && valIsReflexive)) {
+        return -1;
+      }
+    }
+    return 0;
+  }
+
+  /**
+   * The base implementation of `_.indexOf` without support for binary searches.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {*} value The value to search for.
+   * @param {number} [fromIndex=0] The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOf(array, value, fromIndex) {
+    if (value !== value) {
+      return indexOfNaN(array, fromIndex);
+    }
+    var index = (fromIndex || 0) - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.sortBy` and `_.sortByAll` 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;
+  }
+
+  /**
+   * Converts `value` to a string if it is not one. An empty string is returned
+   * for `null` or `undefined` values.
+   *
+   * @private
+   * @param {*} value The value to process.
+   * @returns {string} Returns the string.
+   */
+  function baseToString(value) {
+    if (typeof value == 'string') {
+      return value;
+    }
+    return value == null ? '' : (value + '');
+  }
+
+  /**
+   * Used by `_.max` and `_.min` as the default callback for string values.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the code unit of the first character of the string.
+   */
+  function charAtCallback(string) {
+    return string.charCodeAt(0);
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimLeft` to get the index of the first character
+   * of `string` that is not found in `chars`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @param {string} chars The characters to find.
+   * @returns {number} Returns the index of the first character not found in `chars`.
+   */
+  function charsLeftIndex(string, chars) {
+    var index = -1,
+        length = string.length;
+
+    while (++index < length && chars.indexOf(string.charAt(index)) > -1) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimRight` to get the index of the last character
+   * of `string` that is not found in `chars`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @param {string} chars The characters to find.
+   * @returns {number} Returns the index of the last character not found in `chars`.
+   */
+  function charsRightIndex(string, chars) {
+    var index = string.length;
+
+    while (index-- && chars.indexOf(string.charAt(index)) > -1) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.sortBy` to compare transformed elements of a collection and stable
+   * sort them in ascending order.
+   *
+   * @private
+   * @param {Object} object The object to compare to `other`.
+   * @param {Object} other The object to compare to `object`.
+   * @returns {number} Returns the sort order indicator for `object`.
+   */
+  function compareAscending(object, other) {
+    return baseCompareAscending(object.criteria, other.criteria) || (object.index - other.index);
+  }
+
+  /**
+   * Used by `_.sortByAll` to compare multiple properties of each element
+   * in a collection and stable sort them in ascending order.
+   *
+   * @private
+   * @param {Object} object The object to compare to `other`.
+   * @param {Object} other The object to compare to `object`.
+   * @returns {number} Returns the sort order indicator for `object`.
+   */
+  function compareMultipleAscending(object, other) {
+    var index = -1,
+        objCriteria = object.criteria,
+        othCriteria = other.criteria,
+        length = objCriteria.length;
+
+    while (++index < length) {
+      var result = baseCompareAscending(objCriteria[index], othCriteria[index]);
+      if (result) {
+        return result;
+      }
+    }
+    // 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://code.google.com/p/v8/issues/detail?id=90 for more details.
+    return object.index - other.index;
+  }
+
+  /**
+   * Used by `_.deburr` to convert latin-1 supplementary letters to basic latin letters.
+   *
+   * @private
+   * @param {string} letter The matched letter to deburr.
+   * @returns {string} Returns the deburred letter.
+   */
+  function deburrLetter(letter) {
+    return deburredLetters[letter];
+  }
+
+  /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  function escapeHtmlChar(chr) {
+    return htmlEscapes[chr];
+  }
+
+  /**
+   * Used by `_.template` to escape characters for inclusion in compiled
+   * string literals.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  function escapeStringChar(chr) {
+    return '\\' + stringEscapes[chr];
+  }
+
+  /**
+   * Gets the index at which the first occurrence of `NaN` is found in `array`.
+   * If `fromRight` is provided elements of `array` are iterated from right to left.
+   *
+   * @private
+   * @param {Array} array The array to search.
+   * @param {number} [fromIndex] The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched `NaN`, else `-1`.
+   */
+  function indexOfNaN(array, fromIndex, fromRight) {
+    var length = array.length,
+        index = fromRight ? (fromIndex || length) : ((fromIndex || 0) - 1);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      var other = array[index];
+      if (other !== other) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * Checks if `value` is object-like.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+   */
+  function isObjectLike(value) {
+    return (value && typeof value == 'object') || false;
+  }
+
+  /**
+   * Used by `trimmedLeftIndex` and `trimmedRightIndex` to determine if a
+   * character code is whitespace.
+   *
+   * @private
+   * @param {number} charCode The character code to inspect.
+   * @returns {boolean} Returns `true` if `charCode` is whitespace, else `false`.
+   */
+  function isSpace(charCode) {
+    return ((charCode <= 160 && (charCode >= 9 && charCode <= 13) || charCode == 32 || charCode == 160) || charCode == 5760 || charCode == 6158 ||
+      (charCode >= 8192 && (charCode <= 8202 || charCode == 8232 || charCode == 8233 || charCode == 8239 || charCode == 8287 || charCode == 12288 || charCode == 65279)));
+  }
+
+  /**
+   * 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 = -1,
+        result = [];
+
+    while (++index < length) {
+      if (array[index] === placeholder) {
+        array[index] = PLACEHOLDER;
+        result[++resIndex] = index;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * An implementation of `_.uniq` optimized for sorted arrays without support
+   * for callback shorthands and `this` binding.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} [iteratee] The function invoked per iteration.
+   * @returns {Array} Returns the new duplicate-value-free array.
+   */
+  function sortedUniq(array, iteratee) {
+    var seen,
+        index = -1,
+        length = array.length,
+        resIndex = -1,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index],
+          computed = iteratee ? iteratee(value, index, array) : value;
+
+      if (!index || seen !== computed) {
+        seen = computed;
+        result[++resIndex] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimLeft` to get the index of the first non-whitespace
+   * character of `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the index of the first non-whitespace character.
+   */
+  function trimmedLeftIndex(string) {
+    var index = -1,
+        length = string.length;
+
+    while (++index < length && isSpace(string.charCodeAt(index))) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimRight` to get the index of the last non-whitespace
+   * character of `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the index of the last non-whitespace character.
+   */
+  function trimmedRightIndex(string) {
+    var index = string.length;
+
+    while (index-- && isSpace(string.charCodeAt(index))) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.unescape` to convert HTML entities to characters.
+   *
+   * @private
+   * @param {string} chr The matched character to unescape.
+   * @returns {string} Returns the unescaped character.
+   */
+  function unescapeHtmlChar(chr) {
+    return htmlUnescapes[chr];
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Create a new pristine `lodash` function using the given `context` object.
+   *
+   * @static
+   * @memberOf _
+   * @category Utility
+   * @param {Object} [context=root] The context object.
+   * @returns {Function} Returns a new `lodash` function.
+   * @example
+   *
+   * _.mixin({ 'add': function(a, b) { return a + b; } });
+   *
+   * var lodash = _.runInContext();
+   * lodash.mixin({ 'sub': function(a, b) { return a - b; } });
+   *
+   * _.isFunction(_.add);
+   * // => true
+   * _.isFunction(_.sub);
+   * // => false
+   *
+   * lodash.isFunction(lodash.add);
+   * // => false
+   * lodash.isFunction(lodash.sub);
+   * // => true
+   *
+   * // using `context` to mock `Date#getTime` use in `_.now`
+   * var mock = _.runInContext({
+   *   'Date': function() {
+   *     return { 'getTime': getTimeMock };
+   *   }
+   * });
+   *
+   * // or creating a suped-up `defer` in Node.js
+   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+   */
+  function runInContext(context) {
+    // Avoid issues with some ES3 environments that attempt to use values, named
+    // after built-in constructors like `Object`, for the creation of literals.
+    // ES5 clears this up by stating that literals must use built-in constructors.
+    // See https://es5.github.io/#x11.1.5 for more details.
+    context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root;
+
+    /** Native constructor references. */
+    var Array = context.Array,
+        Date = context.Date,
+        Error = context.Error,
+        Function = context.Function,
+        Math = context.Math,
+        Number = context.Number,
+        Object = context.Object,
+        RegExp = context.RegExp,
+        String = context.String,
+        TypeError = context.TypeError;
+
+    /** Used for native method references. */
+    var arrayProto = Array.prototype,
+        objectProto = Object.prototype;
+
+    /** Used to detect DOM support. */
+    var document = (document = context.window) && document.document;
+
+    /** Used to resolve the decompiled source of functions. */
+    var fnToString = Function.prototype.toString;
+
+    /** Used to the length of n-tuples for `_.unzip`. */
+    var getLength = baseProperty('length');
+
+    /** Used to check objects for own properties. */
+    var hasOwnProperty = objectProto.hasOwnProperty;
+
+    /** Used to generate unique IDs. */
+    var idCounter = 0;
+
+    /**
+     * Used to resolve the `toStringTag` of values.
+     * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
+     * for more details.
+     */
+    var objToString = objectProto.toString;
+
+    /** Used to restore the original `_` reference in `_.noConflict`. */
+    var oldDash = context._;
+
+    /** Used to detect if a method is native. */
+    var reNative = RegExp('^' +
+      escapeRegExp(objToString)
+      .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+    );
+
+    /** Native method references. */
+    var ArrayBuffer = isNative(ArrayBuffer = context.ArrayBuffer) && ArrayBuffer,
+        bufferSlice = isNative(bufferSlice = ArrayBuffer && new ArrayBuffer(0).slice) && bufferSlice,
+        ceil = Math.ceil,
+        clearTimeout = context.clearTimeout,
+        floor = Math.floor,
+        getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
+        push = arrayProto.push,
+        propertyIsEnumerable = objectProto.propertyIsEnumerable,
+        Set = isNative(Set = context.Set) && Set,
+        setTimeout = context.setTimeout,
+        splice = arrayProto.splice,
+        Uint8Array = isNative(Uint8Array = context.Uint8Array) && Uint8Array,
+        WeakMap = isNative(WeakMap = context.WeakMap) && WeakMap;
+
+    /** Used to clone array buffers. */
+    var Float64Array = (function() {
+      // Safari 5 errors when using an array buffer to initialize a typed array
+      // where the array buffer's `byteLength` is not a multiple of the typed
+      // array's `BYTES_PER_ELEMENT`.
+      try {
+        var func = isNative(func = context.Float64Array) && func,
+            result = new func(new ArrayBuffer(10), 0, 1) && func;
+      } catch(e) {}
+      return result;
+    }());
+
+    /* Native method references for those with the same name as other `lodash` methods. */
+    var nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray,
+        nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate,
+        nativeIsFinite = context.isFinite,
+        nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys,
+        nativeMax = Math.max,
+        nativeMin = Math.min,
+        nativeNow = isNative(nativeNow = Date.now) && nativeNow,
+        nativeNumIsFinite = isNative(nativeNumIsFinite = Number.isFinite) && nativeNumIsFinite,
+        nativeParseInt = context.parseInt,
+        nativeRandom = Math.random;
+
+    /** Used as references for `-Infinity` and `Infinity`. */
+    var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY,
+        POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
+
+    /** Used as references for the maximum length and index of an array. */
+    var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
+        MAX_ARRAY_INDEX =  MAX_ARRAY_LENGTH - 1,
+        HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+
+    /** Used as the size, in bytes, of each `Float64Array` element. */
+    var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;
+
+    /**
+     * Used as the maximum length of an array-like value.
+     * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
+     * for more details.
+     */
+    var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
+
+    /** Used to store function metadata. */
+    var metaMap = WeakMap && new WeakMap;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` object which wraps `value` to enable implicit chaining.
+     * Methods that operate on and return arrays, collections, and functions can
+     * be chained together. Methods that return a boolean or single value will
+     * automatically end the chain returning the unwrapped value. Explicit chaining
+     * may be enabled using `_.chain`. The execution of chained methods is lazy,
+     * that is, execution is deferred until `_#value` is implicitly or explicitly
+     * called.
+     *
+     * Lazy evaluation allows several methods to support shortcut fusion. Shortcut
+     * fusion is an optimization that merges iteratees to avoid creating intermediate
+     * arrays and reduce the number of iteratee executions.
+     *
+     * 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 also have the following `Array` methods:
+     * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`, `splice`,
+     * and `unshift`
+     *
+     * The wrapper methods that support shortcut fusion are:
+     * `compact`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `filter`,
+     * `first`, `initial`, `last`, `map`, `pluck`, `reject`, `rest`, `reverse`,
+     * `slice`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `toArray`,
+     * and `where`
+     *
+     * The chainable wrapper methods are:
+     * `after`, `ary`, `assign`, `at`, `before`, `bind`, `bindAll`, `bindKey`,
+     * `callback`, `chain`, `chunk`, `commit`, `compact`, `concat`, `constant`,
+     * `countBy`, `create`, `curry`, `debounce`, `defaults`, `defer`, `delay`,
+     * `difference`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `fill`,
+     * `filter`, `flatten`, `flattenDeep`, `flow`, `flowRight`, `forEach`,
+     * `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `functions`,
+     * `groupBy`, `indexBy`, `initial`, `intersection`, `invert`, `invoke`, `keys`,
+     * `keysIn`, `map`, `mapValues`, `matches`, `memoize`, `merge`, `mixin`,
+     * `negate`, `noop`, `omit`, `once`, `pairs`, `partial`, `partialRight`,
+     * `partition`, `pick`, `plant`, `pluck`, `property`, `propertyOf`, `pull`,
+     * `pullAt`, `push`, `range`, `rearg`, `reject`, `remove`, `rest`, `reverse`,
+     * `shuffle`, `slice`, `sort`, `sortBy`, `sortByAll`, `splice`, `spread`,
+     * `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `tap`, `throttle`,
+     * `thru`, `times`, `toArray`, `toPlainObject`, `transform`, `union`, `uniq`,
+     * `unshift`, `unzip`, `values`, `valuesIn`, `where`, `without`, `wrap`, `xor`,
+     * `zip`, and `zipObject`
+     *
+     * The wrapper methods that are **not** chainable by default are:
+     * `attempt`, `camelCase`, `capitalize`, `clone`, `cloneDeep`, `deburr`,
+     * `endsWith`, `escape`, `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`,
+     * `findLast`, `findLastIndex`, `findLastKey`, `findWhere`, `first`, `has`,
+     * `identity`, `includes`, `indexOf`, `isArguments`, `isArray`, `isBoolean`,
+     * `isDate`, `isElement`, `isEmpty`, `isEqual`, `isError`, `isFinite`,
+     * `isFunction`, `isMatch`, `isNative`, `isNaN`, `isNull`, `isNumber`,
+     * `isObject`, `isPlainObject`, `isRegExp`, `isString`, `isUndefined`,
+     * `isTypedArray`, `join`, `kebabCase`, `last`, `lastIndexOf`, `max`, `min`,
+     * `noConflict`, `now`, `pad`, `padLeft`, `padRight`, `parseInt`, `pop`,
+     * `random`, `reduce`, `reduceRight`, `repeat`, `result`, `runInContext`,
+     * `shift`, `size`, `snakeCase`, `some`, `sortedIndex`, `sortedLastIndex`,
+     * `startCase`, `startsWith`, `template`, `trim`, `trimLeft`, `trimRight`,
+     * `trunc`, `unescape`, `uniqueId`, `value`, and `words`
+     *
+     * The wrapper method `sample` will return a wrapped value when `n` is provided,
+     * otherwise an unwrapped value is returned.
+     *
+     * @name _
+     * @constructor
+     * @category Chain
+     * @param {*} value The value to wrap in a `lodash` instance.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // returns an unwrapped value
+     * wrapped.reduce(function(sum, n) { return sum + n; });
+     * // => 6
+     *
+     * // returns a wrapped value
+     * var squares = wrapped.map(function(n) { return n * n; });
+     *
+     * _.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, '__chain__') && hasOwnProperty.call(value, '__wrapped__')) {
+          return wrapperClone(value);
+        }
+      }
+      return new LodashWrapper(value);
+    }
+
+    /**
+     * The base constructor for creating `lodash` wrapper objects.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     * @param {boolean} [chainAll] Enable chaining for all wrapper methods.
+     * @param {Array} [actions=[]] Actions to peform to resolve the unwrapped value.
+     */
+    function LodashWrapper(value, chainAll, actions) {
+      this.__wrapped__ = value;
+      this.__actions__ = actions || [];
+      this.__chain__ = !!chainAll;
+    }
+
+    /**
+     * An object environment feature flags.
+     *
+     * @static
+     * @memberOf _
+     * @type Object
+     */
+    var support = lodash.support = {};
+
+    (function(x) {
+
+      /**
+       * Detect if functions can be decompiled by `Function#toString`
+       * (all but Firefox OS certified apps, older Opera mobile browsers, and
+       * the PlayStation 3; forced `false` for Windows 8 apps).
+       *
+       * @memberOf _.support
+       * @type boolean
+       */
+      support.funcDecomp = !isNative(context.WinRTError) && reThis.test(runInContext);
+
+      /**
+       * Detect if `Function#name` is supported (all but IE).
+       *
+       * @memberOf _.support
+       * @type boolean
+       */
+      support.funcNames = typeof Function.name == 'string';
+
+      /**
+       * Detect if the DOM is supported.
+       *
+       * @memberOf _.support
+       * @type boolean
+       */
+      try {
+        support.dom = document.createDocumentFragment().nodeType === 11;
+      } catch(e) {
+        support.dom = false;
+      }
+
+      /**
+       * Detect if `arguments` object indexes are non-enumerable.
+       *
+       * In Firefox < 4, IE < 9, PhantomJS, and Safari < 5.1 `arguments` object
+       * indexes are non-enumerable. Chrome < 25 and Node.js < 0.11.0 treat
+       * `arguments` object indexes as non-enumerable and fail `hasOwnProperty`
+       * checks for indexes that exceed their function's formal parameters with
+       * associated values of `0`.
+       *
+       * @memberOf _.support
+       * @type boolean
+       */
+      try {
+        support.nonEnumArgs = !propertyIsEnumerable.call(arguments, 1);
+      } catch(e) {
+        support.nonEnumArgs = true;
+      }
+    }(0, 0));
+
+    /**
+     * By default, the template delimiters used by lodash are like those in
+     * embedded Ruby (ERB). Change the following template settings to use
+     * alternative delimiters.
+     *
+     * @static
+     * @memberOf _
+     * @type Object
+     */
+    lodash.templateSettings = {
+
+      /**
+       * Used to detect `data` property values to be HTML-escaped.
+       *
+       * @memberOf _.templateSettings
+       * @type RegExp
+       */
+      'escape': reEscape,
+
+      /**
+       * Used to detect code to be evaluated.
+       *
+       * @memberOf _.templateSettings
+       * @type RegExp
+       */
+      'evaluate': reEvaluate,
+
+      /**
+       * Used to detect `data` property values to inject.
+       *
+       * @memberOf _.templateSettings
+       * @type RegExp
+       */
+      'interpolate': reInterpolate,
+
+      /**
+       * Used to reference the data object in the template text.
+       *
+       * @memberOf _.templateSettings
+       * @type string
+       */
+      'variable': '',
+
+      /**
+       * Used to import variables into the compiled template.
+       *
+       * @memberOf _.templateSettings
+       * @type Object
+       */
+      'imports': {
+
+        /**
+         * A reference to the `lodash` function.
+         *
+         * @memberOf _.templateSettings.imports
+         * @type Function
+         */
+        '_': lodash
+      }
+    };
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     */
+    function LazyWrapper(value) {
+      this.__wrapped__ = value;
+      this.__actions__ = null;
+      this.__dir__ = 1;
+      this.__dropCount__ = 0;
+      this.__filtered__ = false;
+      this.__iteratees__ = null;
+      this.__takeCount__ = POSITIVE_INFINITY;
+      this.__views__ = null;
+    }
+
+    /**
+     * Creates a clone of the lazy wrapper object.
+     *
+     * @private
+     * @name clone
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the cloned `LazyWrapper` object.
+     */
+    function lazyClone() {
+      var actions = this.__actions__,
+          iteratees = this.__iteratees__,
+          views = this.__views__,
+          result = new LazyWrapper(this.__wrapped__);
+
+      result.__actions__ = actions ? arrayCopy(actions) : null;
+      result.__dir__ = this.__dir__;
+      result.__dropCount__ = this.__dropCount__;
+      result.__filtered__ = this.__filtered__;
+      result.__iteratees__ = iteratees ? arrayCopy(iteratees) : null;
+      result.__takeCount__ = this.__takeCount__;
+      result.__views__ = views ? arrayCopy(views) : null;
+      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();
+      if (!isArray(array)) {
+        return baseWrapperValue(array, this.__actions__);
+      }
+      var dir = this.__dir__,
+          isRight = dir < 0,
+          view = getView(0, array.length, this.__views__),
+          start = view.start,
+          end = view.end,
+          length = end - start,
+          dropCount = this.__dropCount__,
+          takeCount = nativeMin(length, this.__takeCount__),
+          index = isRight ? end : start - 1,
+          iteratees = this.__iteratees__,
+          iterLength = iteratees ? iteratees.length : 0,
+          resIndex = 0,
+          result = [];
+
+      outer:
+      while (length-- && resIndex < takeCount) {
+        index += dir;
+
+        var iterIndex = -1,
+            value = array[index];
+
+        while (++iterIndex < iterLength) {
+          var data = iteratees[iterIndex],
+              iteratee = data.iteratee,
+              computed = iteratee(value, index, array),
+              type = data.type;
+
+          if (type == LAZY_MAP_FLAG) {
+            value = computed;
+          } else if (!computed) {
+            if (type == LAZY_FILTER_FLAG) {
+              continue outer;
+            } else {
+              break outer;
+            }
+          }
+        }
+        if (dropCount) {
+          dropCount--;
+        } else {
+          result[resIndex++] = value;
+        }
+      }
+      return result;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a cache object to store key/value pairs.
+     *
+     * @private
+     * @static
+     * @name Cache
+     * @memberOf _.memoize
+     */
+    function MapCache() {
+      this.__data__ = {};
+    }
+
+    /**
+     * Removes `key` and its value from the cache.
+     *
+     * @private
+     * @name delete
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed successfully, else `false`.
+     */
+    function mapDelete(key) {
+      return this.has(key) && delete this.__data__[key];
+    }
+
+    /**
+     * Gets the cached value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the cached value.
+     */
+    function mapGet(key) {
+      return key == '__proto__' ? undefined : this.__data__[key];
+    }
+
+    /**
+     * Checks if a cached value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function mapHas(key) {
+      return key != '__proto__' && hasOwnProperty.call(this.__data__, key);
+    }
+
+    /**
+     * Adds `value` to `key` of the cache.
+     *
+     * @private
+     * @name set
+     * @memberOf _.memoize.Cache
+     * @param {string} key The key of the value to cache.
+     * @param {*} value The value to cache.
+     * @returns {Object} Returns the cache object.
+     */
+    function mapSet(key, value) {
+      if (key != '__proto__') {
+        this.__data__[key] = value;
+      }
+      return this;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     *
+     * Creates a cache object to store unique values.
+     *
+     * @private
+     * @param {Array} [values] The values to cache.
+     */
+    function SetCache(values) {
+      var length = values ? values.length : 0;
+
+      this.data = { 'hash': nativeCreate(null), 'set': new Set };
+      while (length--) {
+        this.push(values[length]);
+      }
+    }
+
+    /**
+     * Checks if `value` is in `cache` mimicking the return signature of
+     * `_.indexOf` by returning `0` if the value is found, else `-1`.
+     *
+     * @private
+     * @param {Object} cache The cache to search.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns `0` if `value` is found, else `-1`.
+     */
+    function cacheIndexOf(cache, value) {
+      var data = cache.data,
+          result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];
+
+      return result ? 0 : -1;
+    }
+
+    /**
+     * Adds `value` to the cache.
+     *
+     * @private
+     * @name push
+     * @memberOf SetCache
+     * @param {*} value The value to cache.
+     */
+    function cachePush(value) {
+      var data = this.data;
+      if (typeof value == 'string' || isObject(value)) {
+        data.set.add(value);
+      } else {
+        data.hash[value] = true;
+      }
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * 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 arrayCopy(source, array) {
+      var index = -1,
+          length = source.length;
+
+      array || (array = Array(length));
+      while (++index < length) {
+        array[index] = source[index];
+      }
+      return array;
+    }
+
+    /**
+     * A specialized version of `_.forEach` for arrays without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns `array`.
+     */
+    function arrayEach(array, iteratee) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        if (iteratee(array[index], index, array) === false) {
+          break;
+        }
+      }
+      return array;
+    }
+
+    /**
+     * A specialized version of `_.forEachRight` for arrays without support for
+     * callback shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns `array`.
+     */
+    function arrayEachRight(array, iteratee) {
+      var length = array.length;
+
+      while (length--) {
+        if (iteratee(array[length], length, array) === false) {
+          break;
+        }
+      }
+      return array;
+    }
+
+    /**
+     * A specialized version of `_.every` for arrays without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     */
+    function arrayEvery(array, predicate) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        if (!predicate(array[index], index, array)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * A specialized version of `_.filter` for arrays without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+    function arrayFilter(array, predicate) {
+      var index = -1,
+          length = array.length,
+          resIndex = -1,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index];
+        if (predicate(value, index, array)) {
+          result[++resIndex] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.map` for arrays without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+    function arrayMap(array, iteratee) {
+      var index = -1,
+          length = array.length,
+          result = Array(length);
+
+      while (++index < length) {
+        result[index] = iteratee(array[index], index, array);
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.max` for arrays without support for iteratees.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the maximum value.
+     */
+    function arrayMax(array) {
+      var index = -1,
+          length = array.length,
+          result = NEGATIVE_INFINITY;
+
+      while (++index < length) {
+        var value = array[index];
+        if (value > result) {
+          result = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.min` for arrays without support for iteratees.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the minimum value.
+     */
+    function arrayMin(array) {
+      var index = -1,
+          length = array.length,
+          result = POSITIVE_INFINITY;
+
+      while (++index < length) {
+        var value = array[index];
+        if (value < result) {
+          result = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.reduce` for arrays without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {boolean} [initFromArray] Specify using the first element of `array`
+     *  as the initial value.
+     * @returns {*} Returns the accumulated value.
+     */
+    function arrayReduce(array, iteratee, accumulator, initFromArray) {
+      var index = -1,
+          length = array.length;
+
+      if (initFromArray && 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
+     * callback shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @param {boolean} [initFromArray] Specify using the last element of `array`
+     *  as the initial value.
+     * @returns {*} Returns the accumulated value.
+     */
+    function arrayReduceRight(array, iteratee, accumulator, initFromArray) {
+      var length = array.length;
+      if (initFromArray && 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 callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+    function arraySome(array, predicate) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        if (predicate(array[index], index, array)) {
+          return true;
+        }
+      }
+      return false;
+    }
+
+    /**
+     * Used by `_.defaults` to customize its `_.assign` use.
+     *
+     * @private
+     * @param {*} objectValue The destination object property value.
+     * @param {*} sourceValue The source object property value.
+     * @returns {*} Returns the value to assign to the destination object.
+     */
+    function assignDefaults(objectValue, sourceValue) {
+      return typeof objectValue == 'undefined' ? sourceValue : objectValue;
+    }
+
+    /**
+     * Used by `_.template` to customize its `_.assign` use.
+     *
+     * **Note:** This method is like `assignDefaults` except that it ignores
+     * inherited property values when checking if a property is `undefined`.
+     *
+     * @private
+     * @param {*} objectValue The destination object property value.
+     * @param {*} sourceValue The source object property value.
+     * @param {string} key The key associated with the object and source values.
+     * @param {Object} object The destination object.
+     * @returns {*} Returns the value to assign to the destination object.
+     */
+    function assignOwnDefaults(objectValue, sourceValue, key, object) {
+      return (typeof objectValue == 'undefined' || !hasOwnProperty.call(object, key))
+        ? sourceValue
+        : objectValue;
+    }
+
+    /**
+     * The base implementation of `_.assign` without support for argument juggling,
+     * multiple sources, and `this` binding `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {Function} [customizer] The function to customize assigning values.
+     * @returns {Object} Returns the destination object.
+     */
+    function baseAssign(object, source, customizer) {
+      var props = keys(source);
+      if (!customizer) {
+        return baseCopy(source, object, props);
+      }
+      var index = -1,
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index],
+            value = object[key],
+            result = customizer(value, source[key], key, object, source);
+
+        if ((result === result ? result !== value : value === value) ||
+            (typeof value == 'undefined' && !(key in object))) {
+          object[key] = result;
+        }
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `_.at` without support for strings and individual
+     * key arguments.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {number[]|string[]} [props] The property names or indexes of elements to pick.
+     * @returns {Array} Returns the new array of picked elements.
+     */
+    function baseAt(collection, props) {
+      var index = -1,
+          length = collection.length,
+          isArr = isLength(length),
+          propsLength = props.length,
+          result = Array(propsLength);
+
+      while(++index < propsLength) {
+        var key = props[index];
+        if (isArr) {
+          key = parseFloat(key);
+          result[index] = isIndex(key, length) ? collection[key] : undefined;
+        } else {
+          result[index] = collection[key];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Copies the properties of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy properties from.
+     * @param {Object} [object={}] The object to copy properties to.
+     * @param {Array} props The property names to copy.
+     * @returns {Object} Returns `object`.
+     */
+    function baseCopy(source, object, props) {
+      if (!props) {
+        props = object;
+        object = {};
+      }
+      var index = -1,
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index];
+        object[key] = source[key];
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `_.bindAll` without support for individual
+     * method name arguments.
+     *
+     * @private
+     * @param {Object} object The object to bind and assign the bound methods to.
+     * @param {string[]} methodNames The object method names to bind.
+     * @returns {Object} Returns `object`.
+     */
+    function baseBindAll(object, methodNames) {
+      var index = -1,
+          length = methodNames.length;
+
+      while (++index < length) {
+        var key = methodNames[index];
+        object[key] = createWrapper(object[key], BIND_FLAG, object);
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `_.callback` which supports specifying the
+     * number of arguments to provide to `func`.
+     *
+     * @private
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {number} [argCount] The number of arguments to provide to `func`.
+     * @returns {Function} Returns the callback.
+     */
+    function baseCallback(func, thisArg, argCount) {
+      var type = typeof func;
+      if (type == 'function') {
+        return (typeof thisArg != 'undefined' && isBindable(func))
+          ? bindCallback(func, thisArg, argCount)
+          : func;
+      }
+      if (func == null) {
+        return identity;
+      }
+      if (type == 'object') {
+        return baseMatches(func);
+      }
+      return typeof thisArg == 'undefined'
+        ? baseProperty(func + '')
+        : baseMatchesProperty(func + '', thisArg);
+    }
+
+    /**
+     * The base implementation of `_.clone` without support for argument juggling
+     * and `this` binding `customizer` functions.
+     *
+     * @private
+     * @param {*} value The value to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @param {Function} [customizer] The function to customize cloning values.
+     * @param {string} [key] The key of `value`.
+     * @param {Object} [object] The object `value` belongs to.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates clones with source counterparts.
+     * @returns {*} Returns the cloned value.
+     */
+    function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {
+      var result;
+      if (customizer) {
+        result = object ? customizer(value, key, object) : customizer(value);
+      }
+      if (typeof result != 'undefined') {
+        return result;
+      }
+      if (!isObject(value)) {
+        return value;
+      }
+      var isArr = isArray(value);
+      if (isArr) {
+        result = initCloneArray(value);
+        if (!isDeep) {
+          return arrayCopy(value, result);
+        }
+      } else {
+        var tag = objToString.call(value),
+            isFunc = tag == funcTag;
+
+        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+          result = initCloneObject(isFunc ? {} : value);
+          if (!isDeep) {
+            return baseCopy(value, result, keys(value));
+          }
+        } else {
+          return cloneableTags[tag]
+            ? initCloneByTag(value, tag, isDeep)
+            : (object ? value : {});
+        }
+      }
+      // Check for circular references and return corresponding clone.
+      stackA || (stackA = []);
+      stackB || (stackB = []);
+
+      var length = stackA.length;
+      while (length--) {
+        if (stackA[length] == value) {
+          return stackB[length];
+        }
+      }
+      // Add the source value to the stack of traversed objects and associate it with its clone.
+      stackA.push(value);
+      stackB.push(result);
+
+      // Recursively populate clone (susceptible to call stack limits).
+      (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
+        result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.create` without support for assigning
+     * properties to the created object.
+     *
+     * @private
+     * @param {Object} prototype The object to inherit from.
+     * @returns {Object} Returns the new object.
+     */
+    var baseCreate = (function() {
+      function Object() {}
+      return function(prototype) {
+        if (isObject(prototype)) {
+          Object.prototype = prototype;
+          var result = new Object;
+          Object.prototype = null;
+        }
+        return result || context.Object();
+      };
+    }());
+
+    /**
+     * The base implementation of `_.delay` and `_.defer` which accepts an index
+     * of where to slice the arguments to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {Object} args The `arguments` object to slice and provide to `func`.
+     * @returns {number} Returns the timer id.
+     */
+    function baseDelay(func, wait, args, fromIndex) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return setTimeout(function() { func.apply(undefined, baseSlice(args, fromIndex)); }, wait);
+    }
+
+    /**
+     * The base implementation of `_.difference` which accepts a single array
+     * of values to exclude.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Array} values The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     */
+    function baseDifference(array, values) {
+      var length = array ? array.length : 0,
+          result = [];
+
+      if (!length) {
+        return result;
+      }
+      var index = -1,
+          indexOf = getIndexOf(),
+          isCommon = indexOf == baseIndexOf,
+          cache = isCommon && values.length >= 200 && createCache(values),
+          valuesLength = values.length;
+
+      if (cache) {
+        indexOf = cacheIndexOf;
+        isCommon = false;
+        values = cache;
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index];
+
+        if (isCommon && value === value) {
+          var valuesIndex = valuesLength;
+          while (valuesIndex--) {
+            if (values[valuesIndex] === value) {
+              continue outer;
+            }
+          }
+          result.push(value);
+        }
+        else if (indexOf(values, value) < 0) {
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.forEach` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object|string} Returns `collection`.
+     */
+    function baseEach(collection, iteratee) {
+      var length = collection ? collection.length : 0;
+      if (!isLength(length)) {
+        return baseForOwn(collection, iteratee);
+      }
+      var index = -1,
+          iterable = toObject(collection);
+
+      while (++index < length) {
+        if (iteratee(iterable[index], index, iterable) === false) {
+          break;
+        }
+      }
+      return collection;
+    }
+
+    /**
+     * The base implementation of `_.forEachRight` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object|string} Returns `collection`.
+     */
+    function baseEachRight(collection, iteratee) {
+      var length = collection ? collection.length : 0;
+      if (!isLength(length)) {
+        return baseForOwnRight(collection, iteratee);
+      }
+      var iterable = toObject(collection);
+      while (length--) {
+        if (iteratee(iterable[length], length, iterable) === false) {
+          break;
+        }
+      }
+      return collection;
+    }
+
+    /**
+     * The base implementation of `_.every` without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} 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 `_.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 = start == null ? 0 : (+start || 0);
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = (typeof end == 'undefined' || end > length) ? length : (+end || 0);
+      if (end < 0) {
+        end += length;
+      }
+      length = start > end ? 0 : end >>> 0;
+      start >>>= 0;
+
+      while (start < length) {
+        array[start++] = value;
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.filter` without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} 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 `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,
+     * without support for callback shorthands and `this` binding, which iterates
+     * over `collection` using the provided `eachFunc`.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to search.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {Function} eachFunc The function to iterate over `collection`.
+     * @param {boolean} [retKey] Specify returning the key of the found element
+     *  instead of the element itself.
+     * @returns {*} Returns the found element or its key, else `undefined`.
+     */
+    function baseFind(collection, predicate, eachFunc, retKey) {
+      var result;
+      eachFunc(collection, function(value, key, collection) {
+        if (predicate(value, key, collection)) {
+          result = retKey ? key : value;
+          return false;
+        }
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.flatten` with added support for restricting
+     * flattening and specifying the start index.
+     *
+     * @private
+     * @param {Array} array The array to flatten.
+     * @param {boolean} [isDeep] Specify a deep flatten.
+     * @param {boolean} [isStrict] Restrict flattening to arrays and `arguments` objects.
+     * @param {number} [fromIndex=0] The index to start from.
+     * @returns {Array} Returns the new flattened array.
+     */
+    function baseFlatten(array, isDeep, isStrict, fromIndex) {
+      var index = (fromIndex || 0) - 1,
+          length = array.length,
+          resIndex = -1,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index];
+
+        if (isObjectLike(value) && isLength(value.length) && (isArray(value) || isArguments(value))) {
+          if (isDeep) {
+            // Recursively flatten arrays (susceptible to call stack limits).
+            value = baseFlatten(value, isDeep, isStrict);
+          }
+          var valIndex = -1,
+              valLength = value.length;
+
+          result.length += valLength;
+          while (++valIndex < valLength) {
+            result[++resIndex] = value[valIndex];
+          }
+        } else if (!isStrict) {
+          result[++resIndex] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `baseForIn` and `baseForOwn` which iterates
+     * over `object` properties returned by `keysFunc` invoking `iteratee` for
+     * each property. Iterator 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`.
+     */
+    function baseFor(object, iteratee, keysFunc) {
+      var index = -1,
+          iterable = toObject(object),
+          props = keysFunc(object),
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index];
+        if (iteratee(iterable[key], key, iterable) === false) {
+          break;
+        }
+      }
+      return object;
+    }
+
+    /**
+     * 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`.
+     */
+    function baseForRight(object, iteratee, keysFunc) {
+      var iterable = toObject(object),
+          props = keysFunc(object),
+          length = props.length;
+
+      while (length--) {
+        var key = props[length];
+        if (iteratee(iterable[key], key, iterable) === false) {
+          break;
+        }
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `_.forIn` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForIn(object, iteratee) {
+      return baseFor(object, iteratee, keysIn);
+    }
+
+    /**
+     * The base implementation of `_.forOwn` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @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 baseFor(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.forOwnRight` without support for callback
+     * shorthands and `this` binding.
+     *
+     * @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 baseForRight(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.functions` which creates an array of
+     * `object` function property names filtered from those provided.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The property names to filter.
+     * @returns {Array} Returns the new array of filtered property names.
+     */
+    function baseFunctions(object, props) {
+      var index = -1,
+          length = props.length,
+          resIndex = -1,
+          result = [];
+
+      while (++index < length) {
+        var key = props[index];
+        if (isFunction(object[key])) {
+          result[++resIndex] = key;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.invoke` which requires additional arguments
+     * to be provided as an array of arguments rather than individually.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function|string} methodName The name of the method to invoke or
+     *  the function invoked per iteration.
+     * @param {Array} [args] The arguments to invoke the method with.
+     * @returns {Array} Returns the array of results.
+     */
+    function baseInvoke(collection, methodName, args) {
+      var index = -1,
+          isFunc = typeof methodName == 'function',
+          length = collection ? collection.length : 0,
+          result = isLength(length) ? Array(length) : [];
+
+      baseEach(collection, function(value) {
+        var func = isFunc ? methodName : (value != null && value[methodName]);
+        result[++index] = func ? func.apply(value, args) : undefined;
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.isEqual` without support for `this` binding
+     * `customizer` functions.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize comparing values.
+     * @param {boolean} [isWhere] Specify performing partial comparisons.
+     * @param {Array} [stackA] Tracks traversed `value` objects.
+     * @param {Array} [stackB] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     */
+    function baseIsEqual(value, other, customizer, isWhere, stackA, stackB) {
+      // Exit early for identical values.
+      if (value === other) {
+        // Treat `+0` vs. `-0` as not equal.
+        return value !== 0 || (1 / value == 1 / other);
+      }
+      var valType = typeof value,
+          othType = typeof other;
+
+      // Exit early for unlike primitive values.
+      if ((valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object') ||
+          value == null || other == null) {
+        // Return `false` unless both values are `NaN`.
+        return value !== value && other !== other;
+      }
+      return baseIsEqualDeep(value, other, baseIsEqual, customizer, isWhere, stackA, stackB);
+    }
+
+    /**
+     * A specialized version of `baseIsEqual` for arrays and objects which performs
+     * deep comparisons and tracks traversed objects enabling objects with circular
+     * references to be compared.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Function} [customizer] The function to customize comparing objects.
+     * @param {boolean} [isWhere] Specify performing partial comparisons.
+     * @param {Array} [stackA=[]] Tracks traversed `value` objects.
+     * @param {Array} [stackB=[]] Tracks traversed `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function baseIsEqualDeep(object, other, equalFunc, customizer, isWhere, stackA, stackB) {
+      var objIsArr = isArray(object),
+          othIsArr = isArray(other),
+          objTag = arrayTag,
+          othTag = arrayTag;
+
+      if (!objIsArr) {
+        objTag = objToString.call(object);
+        if (objTag == argsTag) {
+          objTag = objectTag;
+        } else if (objTag != objectTag) {
+          objIsArr = isTypedArray(object);
+        }
+      }
+      if (!othIsArr) {
+        othTag = objToString.call(other);
+        if (othTag == argsTag) {
+          othTag = objectTag;
+        } else if (othTag != objectTag) {
+          othIsArr = isTypedArray(other);
+        }
+      }
+      var objIsObj = objTag == objectTag,
+          othIsObj = othTag == objectTag,
+          isSameTag = objTag == othTag;
+
+      if (isSameTag && !(objIsArr || objIsObj)) {
+        return equalByTag(object, other, objTag);
+      }
+      var valWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+          othWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+      if (valWrapped || othWrapped) {
+        return equalFunc(valWrapped ? object.value() : object, othWrapped ? other.value() : other, customizer, isWhere, stackA, stackB);
+      }
+      if (!isSameTag) {
+        return false;
+      }
+      // Assume cyclic values are equal.
+      // For more information on detecting circular references see https://es5.github.io/#JO.
+      stackA || (stackA = []);
+      stackB || (stackB = []);
+
+      var length = stackA.length;
+      while (length--) {
+        if (stackA[length] == object) {
+          return stackB[length] == other;
+        }
+      }
+      // Add `object` and `other` to the stack of traversed objects.
+      stackA.push(object);
+      stackB.push(other);
+
+      var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isWhere, stackA, stackB);
+
+      stackA.pop();
+      stackB.pop();
+
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.isMatch` without support for callback
+     * shorthands or `this` binding.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The source property names to match.
+     * @param {Array} values The source values to match.
+     * @param {Array} strictCompareFlags Strict comparison flags for source values.
+     * @param {Function} [customizer] The function to customize comparing objects.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     */
+    function baseIsMatch(object, props, values, strictCompareFlags, customizer) {
+      var length = props.length;
+      if (object == null) {
+        return !length;
+      }
+      var index = -1,
+          noCustomizer = !customizer;
+
+      while (++index < length) {
+        if ((noCustomizer && strictCompareFlags[index])
+              ? values[index] !== object[props[index]]
+              : !hasOwnProperty.call(object, props[index])
+            ) {
+          return false;
+        }
+      }
+      index = -1;
+      while (++index < length) {
+        var key = props[index];
+        if (noCustomizer && strictCompareFlags[index]) {
+          var result = hasOwnProperty.call(object, key);
+        } else {
+          var objValue = object[key],
+              srcValue = values[index];
+
+          result = customizer ? customizer(objValue, srcValue, key) : undefined;
+          if (typeof result == 'undefined') {
+            result = baseIsEqual(srcValue, objValue, customizer, true);
+          }
+        }
+        if (!result) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.map` without support for callback shorthands
+     * or `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} 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 result = [];
+      baseEach(collection, function(value, key, collection) {
+        result.push(iteratee(value, key, collection));
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.matches` which does not clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new function.
+     */
+    function baseMatches(source) {
+      var props = keys(source),
+          length = props.length;
+
+      if (length == 1) {
+        var key = props[0],
+            value = source[key];
+
+        if (isStrictComparable(value)) {
+          return function(object) {
+            return object != null && value === object[key] && hasOwnProperty.call(object, key);
+          };
+        }
+      }
+      var values = Array(length),
+          strictCompareFlags = Array(length);
+
+      while (length--) {
+        value = source[props[length]];
+        values[length] = value;
+        strictCompareFlags[length] = isStrictComparable(value);
+      }
+      return function(object) {
+        return baseIsMatch(object, props, values, strictCompareFlags);
+      };
+    }
+
+    /**
+     * The base implementation of `_.matchesProperty` which does not coerce `key`
+     * to a string.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @param {*} value The value to compare.
+     * @returns {Function} Returns the new function.
+     */
+    function baseMatchesProperty(key, value) {
+      if (isStrictComparable(value)) {
+        return function(object) {
+          return object != null && object[key] === value;
+        };
+      }
+      return function(object) {
+        return object != null && baseIsEqual(value, object[key], null, true);
+      };
+    }
+
+    /**
+     * The base implementation of `_.merge` without support for argument juggling,
+     * multiple sources, and `this` binding `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {Function} [customizer] The function to customize merging properties.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates values with source counterparts.
+     * @returns {Object} Returns the destination object.
+     */
+    function baseMerge(object, source, customizer, stackA, stackB) {
+      var isSrcArr = isLength(source.length) && (isArray(source) || isTypedArray(source));
+
+      (isSrcArr ? arrayEach : baseForOwn)(source, function(srcValue, key, source) {
+        if (isObjectLike(srcValue)) {
+          stackA || (stackA = []);
+          stackB || (stackB = []);
+          return baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
+        }
+        var value = object[key],
+            result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
+            isCommon = typeof result == 'undefined';
+
+        if (isCommon) {
+          result = srcValue;
+        }
+        if ((isSrcArr || typeof result != 'undefined') &&
+            (isCommon || (result === result ? result !== value : value === value))) {
+          object[key] = result;
+        }
+      });
+      return object;
+    }
+
+    /**
+     * 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 {Function} mergeFunc The function to merge values.
+     * @param {Function} [customizer] The function to customize merging properties.
+     * @param {Array} [stackA=[]] Tracks traversed source objects.
+     * @param {Array} [stackB=[]] Associates values with source counterparts.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
+      var length = stackA.length,
+          srcValue = source[key];
+
+      while (length--) {
+        if (stackA[length] == srcValue) {
+          object[key] = stackB[length];
+          return;
+        }
+      }
+      var value = object[key],
+          result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
+          isCommon = typeof result == 'undefined';
+
+      if (isCommon) {
+        result = srcValue;
+        if (isLength(srcValue.length) && (isArray(srcValue) || isTypedArray(srcValue))) {
+          result = isArray(value)
+            ? value
+            : (value ? arrayCopy(value) : []);
+        }
+        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+          result = isArguments(value)
+            ? toPlainObject(value)
+            : (isPlainObject(value) ? value : {});
+        }
+        else {
+          isCommon = false;
+        }
+      }
+      // Add the source value to the stack of traversed objects and associate
+      // it with its merged value.
+      stackA.push(srcValue);
+      stackB.push(result);
+
+      if (isCommon) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
+      } else if (result === result ? result !== value : value === value) {
+        object[key] = result;
+      }
+    }
+
+    /**
+     * The base implementation of `_.property` which does not coerce `key` to a string.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @returns {Function} Returns the new function.
+     */
+    function baseProperty(key) {
+      return function(object) {
+        return object == null ? undefined : object[key];
+      };
+    }
+
+    /**
+     * The base implementation of `_.pullAt` without support for individual
+     * index arguments.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {number[]} indexes The indexes of elements to remove.
+     * @returns {Array} Returns the new array of removed elements.
+     */
+    function basePullAt(array, indexes) {
+      var length = indexes.length,
+          result = baseAt(array, indexes);
+
+      indexes.sort(baseCompareAscending);
+      while (length--) {
+        var index = parseFloat(indexes[length]);
+        if (index != previous && isIndex(index)) {
+          var previous = index;
+          splice.call(array, index, 1);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.random` without support for argument juggling
+     * and returning floating-point numbers.
+     *
+     * @private
+     * @param {number} min The minimum possible value.
+     * @param {number} max The maximum possible value.
+     * @returns {number} Returns the random number.
+     */
+    function baseRandom(min, max) {
+      return min + floor(nativeRandom() * (max - min + 1));
+    }
+
+    /**
+     * The base implementation of `_.reduce` and `_.reduceRight` without support
+     * for callback shorthands or `this` binding, which iterates over `collection`
+     * using the provided `eachFunc`.
+     *
+     * @private
+     * @param {Array|Object|string} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {*} accumulator The initial value.
+     * @param {boolean} initFromCollection 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, initFromCollection, eachFunc) {
+      eachFunc(collection, function(value, index, collection) {
+        accumulator = initFromCollection
+          ? (initFromCollection = false, value)
+          : iteratee(accumulator, value, index, collection);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `setData` without support for hot loop detection.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetData = !metaMap ? identity : function(func, data) {
+      metaMap.set(func, data);
+      return func;
+    };
+
+    /**
+     * The base implementation of `_.slice` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseSlice(array, start, end) {
+      var index = -1,
+          length = array.length;
+
+      start = start == null ? 0 : (+start || 0);
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = (typeof end == 'undefined' || end > length) ? length : (+end || 0);
+      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 callback shorthands
+     * or `this` binding.
+     *
+     * @private
+     * @param {Array|Object|string} 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 `_.uniq` without support for callback shorthands
+     * and `this` binding.
+     *
+     * @private
+     * @param {Array} array The array to in

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