' + func(text) + '
';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles
'\n */\n\n\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n\n\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n\n\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n\n\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n\n\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n\n\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n\n\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n\n\n function eq(value, other) {\n return value === other || value !== value && other !== other;\n }\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n\n\n var gt = createRelationalOperation(baseGt);\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n\n var gte = createRelationalOperation(function (value, other) {\n return value >= other;\n });\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n\n var isArguments = baseIsArguments(function () {\n return arguments;\n }()) ? baseIsArguments : function (value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');\n };\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n\n var isArray = Array.isArray;\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n\n\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n\n\n function isBoolean(value) {\n return value === true || value === false || isObjectLike(value) && baseGetTag(value) == boolTag;\n }\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n\n\n var isBuffer = nativeIsBuffer || stubFalse;\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n\n\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n\n if (isArrayLike(value) && (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n\n var tag = getTag(value);\n\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n\n return true;\n }\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n\n\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n\n\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n\n\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag || typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value);\n }\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n\n\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n\n\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n } // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\n\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n\n\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n\n\n function isLength(value) {\n return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n\n\n function isObject(value) {\n var type = _typeof(value);\n\n return value != null && (type == 'object' || type == 'function');\n }\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n\n\n function isObjectLike(value) {\n return value != null && _typeof(value) == 'object';\n }\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n\n\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n\n\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n\n\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n\n\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n\n return baseIsNative(value);\n }\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n\n\n function isNull(value) {\n return value === null;\n }\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n\n\n function isNil(value) {\n return value == null;\n }\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n\n\n function isNumber(value) {\n return typeof value == 'number' || isObjectLike(value) && baseGetTag(value) == numberTag;\n }\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n\n\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n\n var proto = getPrototype(value);\n\n if (proto === null) {\n return true;\n }\n\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString;\n }\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n\n\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n\n\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n\n function isString(value) {\n return typeof value == 'string' || !isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag;\n }\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n\n\n function isSymbol(value) {\n return _typeof(value) == 'symbol' || isObjectLike(value) && baseGetTag(value) == symbolTag;\n }\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n\n\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n\n function isUndefined(value) {\n return value === undefined;\n }\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n\n\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n\n\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n\n\n var lt = createRelationalOperation(baseLt);\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n\n var lte = createRelationalOperation(function (value, other) {\n return value <= other;\n });\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n\n function toArray(value) {\n if (!value) {\n return [];\n }\n\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : tag == setTag ? setToArray : values;\n return func(value);\n }\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n\n\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n\n value = toNumber(value);\n\n if (value === INFINITY || value === -INFINITY) {\n var sign = value < 0 ? -1 : 1;\n return sign * MAX_INTEGER;\n }\n\n return value === value ? value : 0;\n }\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n\n\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n return result === result ? remainder ? result - remainder : result : 0;\n }\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n\n\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n\n\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n\n if (isSymbol(value)) {\n return NAN;\n }\n\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? other + '' : other;\n }\n\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n\n value = baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return isBinary || reIsOctal.test(value) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : reIsBadHex.test(value) ? NAN : +value;\n }\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n\n\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n\n\n function toSafeInteger(value) {\n return value ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) : value === 0 ? value : 0;\n }\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n\n\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n\n\n var assign = createAssigner(function (object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n\n var assignIn = createAssigner(function (object, source) {\n copyObject(source, keysIn(source), object);\n });\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n var assignInWith = createAssigner(function (object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n var assignWith = createAssigner(function (object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n\n var at = flatRest(baseAt);\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n\n\n var defaults = baseRest(function (object, sources) {\n object = Object(object);\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined || eq(value, objectProto[key]) && !hasOwnProperty.call(object, key)) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n\n var defaultsDeep = baseRest(function (args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n\n\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n\n\n function forIn(object, iteratee) {\n return object == null ? object : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n\n\n function forInRight(object, iteratee) {\n return object == null ? object : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n\n\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n\n\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n\n\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n\n\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n\n\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n\n\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n\n\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n\n\n var invert = createInverter(function (result, value, key) {\n if (value != null && typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n\n var invertBy = createInverter(function (result, value, key) {\n if (value != null && typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n\n var invoke = baseRest(baseInvoke);\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n\n\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n\n\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n baseForOwn(object, function (value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n\n\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n baseForOwn(object, function (value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n\n\n var merge = createAssigner(function (object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n\n var mergeWith = createAssigner(function (object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n\n var omit = flatRest(function (object, paths) {\n var result = {};\n\n if (object == null) {\n return result;\n }\n\n var isDeep = false;\n paths = arrayMap(paths, function (path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n\n var length = paths.length;\n\n while (length--) {\n baseUnset(result, paths[length]);\n }\n\n return result;\n });\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n\n\n var pick = flatRest(function (object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n\n var props = arrayMap(getAllKeysIn(object), function (prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function (value, path) {\n return predicate(value, path[0]);\n });\n }\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n\n\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n var index = -1,\n length = path.length; // Ensure the loop is entered when path is empty.\n\n if (!length) {\n length = 1;\n object = undefined;\n }\n\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n\n object = isFunction(value) ? value.call(object) : value;\n }\n\n return object;\n }\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n\n\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n\n\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n\n\n var toPairs = createToPairs(keys);\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n\n var toPairsIn = createToPairs(keysIn);\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n iteratee = getIteratee(iteratee, 4);\n\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n\n if (isArrLike) {\n accumulator = isArr ? new Ctor() : [];\n } else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n } else {\n accumulator = {};\n }\n }\n\n (isArrLike ? arrayEach : baseForOwn)(object, function (value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n\n\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n\n\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n\n\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n\n\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n\n\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n\n\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n\n return baseClamp(toNumber(number), lower, upper);\n }\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n\n\n function inRange(number, start, end) {\n start = toFinite(start);\n\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n\n\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n } else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n } else {\n lower = toFinite(lower);\n\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1))), upper);\n }\n\n return baseRandom(lower, upper);\n }\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n\n\n var camelCase = createCompounder(function (result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n\n\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n\n\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n var length = string.length;\n position = position === undefined ? length : baseClamp(toInteger(position), 0, length);\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n\n\n function escape(string) {\n string = toString(string);\n return string && reHasUnescapedHtml.test(string) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string;\n }\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n\n\n function escapeRegExp(string) {\n string = toString(string);\n return string && reHasRegExpChar.test(string) ? string.replace(reRegExpChar, '\\\\$&') : string;\n }\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n\n\n var kebabCase = createCompounder(function (result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n\n var lowerCase = createCompounder(function (result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n\n var lowerFirst = createCaseFirst('toLowerCase');\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n\n if (!length || strLength >= length) {\n return string;\n }\n\n var mid = (length - strLength) / 2;\n return createPadding(nativeFloor(mid), chars) + string + createPadding(nativeCeil(mid), chars);\n }\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n\n\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n return length && strLength < length ? string + createPadding(length - strLength, chars) : string;\n }\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n\n\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n var strLength = length ? stringSize(string) : 0;\n return length && strLength < length ? createPadding(length - strLength, chars) + string : string;\n }\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n\n\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n\n\n function repeat(string, n, guard) {\n if (guard ? isIterateeCall(string, n, guard) : n === undefined) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n\n return baseRepeat(toString(string), n);\n }\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n\n\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n\n\n var snakeCase = createCompounder(function (result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\n if (!limit) {\n return [];\n }\n\n string = toString(string);\n\n if (string && (typeof separator == 'string' || separator != null && !isRegExp(separator))) {\n separator = baseToString(separator);\n\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n\n return string.split(separator, limit);\n }\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n\n\n var startCase = createCompounder(function (result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null ? 0 : baseClamp(toInteger(position), 0, string.length);\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '\n","import mod from \"-!../../../node_modules/babel-loader/lib/index.js??ref--8-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./comment.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../../../node_modules/babel-loader/lib/index.js??ref--8-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./comment.vue?vue&type=script&lang=js&\"","import { render, staticRenderFns } from \"./comment.vue?vue&type=template&id=2145b73c&\"\nimport script from \"./comment.vue?vue&type=script&lang=js&\"\nexport * from \"./comment.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../../node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n script,\n render,\n staticRenderFns,\n false,\n null,\n null,\n null\n \n)\n\nexport default component.exports","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{ref:\"comment\",staticClass:\"comment\"},[_c('profile-picture',{staticClass:\"comment__user-photo self-center ml-2\",attrs:{\"url\":_vm.userProfilePictureUrl}}),_vm._v(\" \"),_c('div',{staticClass:\"comment_user-info\"},[_c('span',{staticClass:\"comment__username\"},[_vm._v(_vm._s(_vm.userDisplayName))]),_vm._v(\" \"),_c('div',{staticClass:\"comment__user-info\\n comment__user-info-since\"},[_c('span',{ref:\"timestamp\",attrs:{\"datetime\":_vm.comment.createdAt}})])]),_vm._v(\" \"),(!_vm.selectedForEdition(_vm.comment))?[_c('div',{staticClass:\"comment__content\"},[_c('span',{directives:[{name:\"autolinker\",rawName:\"v-autolinker\",value:(_vm.comment.content),expression:\"comment.content\"}]})])]:_c('at-ta',{staticClass:\"comment__content\",attrs:{\"tab-select\":true,\"members\":_vm.members,\"name-key\":\"name\"},scopedSlots:_vm._u([{key:\"item\",fn:function(s){return [_c('img',{attrs:{\"src\":s.item.avatar}}),_vm._v(\" \"),_c('span',{domProps:{\"textContent\":_vm._s(s.item.name)}})]}}])},[_vm._v(\" \"),_c('textarea-autoheight',{ref:\"edit\",staticClass:\"comment__input outline-none\",style:({width: '100%'}),on:{\"keyup\":[function($event){if(!$event.type.indexOf('key')&&_vm._k($event.keyCode,\"enter\",13,$event.key,\"Enter\")){ return null; }if($event.ctrlKey||$event.shiftKey||$event.altKey||$event.metaKey){ return null; }$event.preventDefault();return _vm.updateComment.apply(null, arguments)},function($event){if(!$event.type.indexOf('key')&&_vm._k($event.keyCode,\"esc\",27,$event.key,[\"Esc\",\"Escape\"])){ return null; }$event.preventDefault();return _vm.unselectCommentForEdition.apply(null, arguments)}]},model:{value:(_vm.editedContent),callback:function ($$v) {_vm.editedContent=$$v},expression:\"editedContent\"}})],1),_vm._v(\" \"),(_vm.currentUserId === _vm.comment.user && !_vm.selectedForEdition(_vm.comment))?_c('div',{staticClass:\"comment__actions-wrapper\"},[_c('div',{staticClass:\"comment__show-actions-btn\",on:{\"click\":function($event){_vm.showActions = !_vm.showActions}}},[_c('i',{staticClass:\"material-icons material-icons-inline\"},[_vm._v(\"more_vert\")])]),_vm._v(\" \"),(_vm.showActions === true)?_c('div',{staticClass:\"comment__actions-dropdown\"},[_c('button',{staticClass:\"comment__action\",on:{\"click\":function($event){return _vm.selectCommentForEdition(_vm.comment)}}},[_c('i',{staticClass:\"material-icons comment__action-icon\"},[_vm._v(\"edit\")]),_vm._v(\"Editar\\n \")]),_vm._v(\" \"),_c('button',{staticClass:\"comment__action\",on:{\"click\":function($event){return _vm.selectCommentForDeletion(_vm.comment)}}},[_c('i',{staticClass:\"material-icons comment__action-icon\"},[_vm._v(\"delete\")]),_vm._v(\"Eliminar\\n \")])]):_vm._e()]):_vm._e(),_vm._v(\" \"),_c('div',{staticClass:\"comment__footer\"},[(!_vm.comment.parentId)?[(!_vm.showThread)?_c('a',{staticClass:\"comment__footer-link\",attrs:{\"href\":\"#\"},on:{\"click\":function($event){$event.preventDefault();return _vm.openThread.apply(null, arguments)}}},[_vm._v(\"\\n Responder\\n \")]):_c('a',{staticClass:\"comment__footer-link\",attrs:{\"href\":\"#\"},on:{\"click\":function($event){$event.preventDefault();return _vm.closeThread.apply(null, arguments)}}},[_vm._v(\"\\n Cerrar\\n \")]),_vm._v(\"\\n •\\n \"),_c('a',{staticClass:\"comment__footer-link\",attrs:{\"href\":\"#\"},on:{\"click\":function($event){$event.preventDefault();return _vm.openThread.apply(null, arguments)}}},[_vm._v(\"\\n \"+_vm._s(_vm.$t('view.apps.feed.showComments', { number: _vm.threadCommentsCount }))+\"\\n \")]),_vm._v(\"\\n •\\n \")]:_vm._e()],2),_vm._v(\" \"),(_vm.showThread)?_c('feed',{staticClass:\"comment__thread\",attrs:{\"comments\":_vm.threadComments,\"parent-id\":_vm.comment.id}}):_vm._e()],2)}\nvar staticRenderFns = []\n\nexport { render, staticRenderFns }","\n\n \n \n ![]()
\n
\n \n \n
\n \n\r\n *
\r\n */\n\n\nvar GridStack = /*#__PURE__*/function () {\n /**\r\n * Construct a grid item from the given element and options\r\n * @param el\r\n * @param opts\r\n */\n function GridStack(el) {\n var _this = this;\n\n var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n _classCallCheck(this, GridStack);\n\n /** @internal */\n this._gsEventHandler = {};\n /** @internal extra row added when dragging at the bottom of the grid */\n\n this._extraDragRow = 0;\n this.el = el; // exposed HTML element to the user\n\n opts = opts || {}; // handles null/undefined/0\n // if row property exists, replace minRow and maxRow instead\n\n if (opts.row) {\n opts.minRow = opts.maxRow = opts.row;\n delete opts.row;\n }\n\n var rowAttr = utils_1.Utils.toNumber(el.getAttribute('gs-row')); // flag only valid in sub-grids (handled by parent, not here)\n\n if (opts.column === 'auto') {\n delete opts.column;\n } // 'minWidth' legacy support in 5.1\n\n /* eslint-disable-next-line @typescript-eslint/no-explicit-any */\n\n\n var anyOpts = opts;\n\n if (anyOpts.minWidth !== undefined) {\n opts.oneColumnSize = opts.oneColumnSize || anyOpts.minWidth;\n delete anyOpts.minWidth;\n } // save original setting so we can restore on save\n\n\n if (opts.alwaysShowResizeHandle !== undefined) {\n opts._alwaysShowResizeHandle = opts.alwaysShowResizeHandle;\n } // elements DOM attributes override any passed options (like CSS style) - merge the two together\n\n\n var defaults = Object.assign(Object.assign({}, utils_1.Utils.cloneDeep(types_1.GridDefaults)), {\n column: utils_1.Utils.toNumber(el.getAttribute('gs-column')) || types_1.GridDefaults.column,\n minRow: rowAttr ? rowAttr : utils_1.Utils.toNumber(el.getAttribute('gs-min-row')) || types_1.GridDefaults.minRow,\n maxRow: rowAttr ? rowAttr : utils_1.Utils.toNumber(el.getAttribute('gs-max-row')) || types_1.GridDefaults.maxRow,\n staticGrid: utils_1.Utils.toBool(el.getAttribute('gs-static')) || types_1.GridDefaults.staticGrid,\n draggable: {\n handle: (opts.handleClass ? '.' + opts.handleClass : opts.handle ? opts.handle : '') || types_1.GridDefaults.draggable.handle\n },\n removableOptions: {\n accept: opts.itemClass ? '.' + opts.itemClass : types_1.GridDefaults.removableOptions.accept\n }\n });\n\n if (el.getAttribute('gs-animate')) {\n // default to true, but if set to false use that instead\n defaults.animate = utils_1.Utils.toBool(el.getAttribute('gs-animate'));\n }\n\n this.opts = utils_1.Utils.defaults(opts, defaults);\n opts = null; // make sure we use this.opts instead\n\n this._initMargin(); // part of settings defaults...\n // Now check if we're loading into 1 column mode FIRST so we don't do un-necessary work (like cellHeight = width / 12 then go 1 column)\n\n\n if (this.opts.column !== 1 && !this.opts.disableOneColumnMode && this._widthOrContainer() <= this.opts.oneColumnSize) {\n this._prevColumn = this.getColumn();\n this.opts.column = 1;\n }\n\n if (this.opts.rtl === 'auto') {\n this.opts.rtl = el.style.direction === 'rtl';\n }\n\n if (this.opts.rtl) {\n this.el.classList.add('grid-stack-rtl');\n } // check if we're been nested, and if so update our style and keep pointer around (used during save)\n\n\n var parentGridItemEl = utils_1.Utils.closestByClass(this.el, types_1.GridDefaults.itemClass);\n\n if (parentGridItemEl && parentGridItemEl.gridstackNode) {\n this._isNested = parentGridItemEl.gridstackNode;\n this._isNested.subGrid = this;\n parentGridItemEl.classList.add('grid-stack-nested');\n this.el.classList.add('grid-stack-nested');\n }\n\n this._isAutoCellHeight = this.opts.cellHeight === 'auto';\n\n if (this._isAutoCellHeight || this.opts.cellHeight === 'initial') {\n // make the cell content square initially (will use resize/column event to keep it square)\n this.cellHeight(undefined, false);\n } else {\n // append unit if any are set\n if (typeof this.opts.cellHeight == 'number' && this.opts.cellHeightUnit && this.opts.cellHeightUnit !== types_1.GridDefaults.cellHeightUnit) {\n this.opts.cellHeight = this.opts.cellHeight + this.opts.cellHeightUnit;\n delete this.opts.cellHeightUnit;\n }\n\n this.cellHeight(this.opts.cellHeight, false);\n } // see if we need to adjust auto-hide\n\n\n if (this.opts.alwaysShowResizeHandle === 'mobile') {\n this.opts.alwaysShowResizeHandle = dd_touch_1.isTouch;\n }\n\n this._styleSheetClass = 'grid-stack-instance-' + (Math.random() * 10000).toFixed(0);\n this.el.classList.add(this._styleSheetClass);\n\n this._setStaticClass();\n\n var engineClass = this.opts.engineClass || GridStack.engineClass || gridstack_engine_1.GridStackEngine;\n this.engine = new engineClass({\n column: this.getColumn(),\n float: this.opts.float,\n maxRow: this.opts.maxRow,\n onChange: function onChange(cbNodes) {\n var maxH = 0;\n\n _this.engine.nodes.forEach(function (n) {\n maxH = Math.max(maxH, n.y + n.h);\n });\n\n cbNodes.forEach(function (n) {\n var el = n.el;\n if (!el) return;\n\n if (n._removeDOM) {\n if (el) el.remove();\n delete n._removeDOM;\n } else {\n _this._writePosAttr(el, n);\n }\n });\n\n _this._updateStyles(false, maxH); // false = don't recreate, just append if need be\n\n }\n });\n\n if (this.opts.auto) {\n this.batchUpdate(); // prevent in between re-layout #1535 TODO: this only set float=true, need to prevent collision check...\n\n var elements = [];\n this.getGridItems().forEach(function (el) {\n var x = parseInt(el.getAttribute('gs-x'));\n var y = parseInt(el.getAttribute('gs-y'));\n elements.push({\n el: el,\n // if x,y are missing (autoPosition) add them to end of list - but keep their respective DOM order\n i: (Number.isNaN(x) ? 1000 : x) + (Number.isNaN(y) ? 1000 : y) * _this.getColumn()\n });\n });\n elements.sort(function (a, b) {\n return a.i - b.i;\n }).forEach(function (e) {\n return _this._prepareElement(e.el);\n });\n this.batchUpdate(false);\n }\n\n this.setAnimation(this.opts.animate);\n\n this._updateStyles();\n\n if (this.opts.column != 12) {\n this.el.classList.add('grid-stack-' + this.opts.column);\n } // legacy support to appear 'per grid` options when really global.\n\n\n if (this.opts.dragIn) GridStack.setupDragIn(this.opts.dragIn, this.opts.dragInOptions);\n delete this.opts.dragIn;\n delete this.opts.dragInOptions;\n\n this._setupRemoveDrop();\n\n this._setupAcceptWidget();\n\n this._updateWindowResizeEvent();\n }\n /**\r\n * initializing the HTML element, or selector string, into a grid will return the grid. Calling it again will\r\n * simply return the existing instance (ignore any passed options). There is also an initAll() version that support\r\n * multiple grids initialization at once. Or you can use addGrid() to create the entire grid from JSON.\r\n * @param options grid options (optional)\r\n * @param elOrString element or CSS selector (first one used) to convert to a grid (default to '.grid-stack' class selector)\r\n *\r\n * @example\r\n * let grid = GridStack.init();\r\n *\r\n * Note: the HTMLElement (of type GridHTMLElement) will store a `gridstack: GridStack` value that can be retrieve later\r\n * let grid = document.querySelector('.grid-stack').gridstack;\r\n */\n\n\n _createClass(GridStack, [{\n key: \"placeholder\",\n get:\n /** @internal create placeholder DIV as needed */\n function get() {\n if (!this._placeholder) {\n var placeholderChild = document.createElement('div'); // child so padding match item-content\n\n placeholderChild.className = 'placeholder-content';\n\n if (this.opts.placeholderText) {\n placeholderChild.innerHTML = this.opts.placeholderText;\n }\n\n this._placeholder = document.createElement('div');\n\n this._placeholder.classList.add(this.opts.placeholderClass, types_1.GridDefaults.itemClass, this.opts.itemClass);\n\n this.placeholder.appendChild(placeholderChild);\n }\n\n return this._placeholder;\n }\n /**\r\n * add a new widget and returns it.\r\n *\r\n * Widget will be always placed even if result height is more than actual grid height.\r\n * You need to use `willItFit()` before calling addWidget for additional check.\r\n * See also `makeWidget()`.\r\n *\r\n * @example\r\n * let grid = GridStack.init();\r\n * grid.addWidget({w: 3, content: 'hello'});\r\n * grid.addWidget('\r\n *
\r\n * Item 1
\r\n * hello
\").concat(content, \"
\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\n\n\nfunction update() {\n // if popper is destroyed, don't perform any further update\n if (this.state.isDestroyed) {\n return;\n }\n\n var data = {\n instance: this,\n styles: {},\n arrowStyles: {},\n attributes: {},\n flipped: false,\n offsets: {}\n }; // compute reference element offsets\n\n data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed); // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n\n data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding); // store the computed placement inside `originalPlacement`\n\n data.originalPlacement = data.placement;\n data.positionFixed = this.options.positionFixed; // compute the popper offsets\n\n data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute'; // run the modifiers\n\n data = runModifiers(this.modifiers, data); // the first `update` will call `onCreate` callback\n // the other ones will call `onUpdate` callback\n\n if (!this.state.isCreated) {\n this.state.isCreated = true;\n this.options.onCreate(data);\n } else {\n this.options.onUpdate(data);\n }\n}\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\n\n\nfunction isModifierEnabled(modifiers, modifierName) {\n return modifiers.some(function (_ref) {\n var name = _ref.name,\n enabled = _ref.enabled;\n return enabled && name === modifierName;\n });\n}\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\n\n\nfunction getSupportedPropertyName(property) {\n var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n for (var i = 0; i < prefixes.length; i++) {\n var prefix = prefixes[i];\n var toCheck = prefix ? '' + prefix + upperProp : property;\n\n if (typeof document.body.style[toCheck] !== 'undefined') {\n return toCheck;\n }\n }\n\n return null;\n}\n/**\n * Destroys the popper.\n * @method\n * @memberof Popper\n */\n\n\nfunction destroy() {\n this.state.isDestroyed = true; // touch DOM only if `applyStyle` modifier is enabled\n\n if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n this.popper.removeAttribute('x-placement');\n this.popper.style.position = '';\n this.popper.style.top = '';\n this.popper.style.left = '';\n this.popper.style.right = '';\n this.popper.style.bottom = '';\n this.popper.style.willChange = '';\n this.popper.style[getSupportedPropertyName('transform')] = '';\n }\n\n this.disableEventListeners(); // remove the popper if user explicitly asked for the deletion on destroy\n // do not use `remove` because IE11 doesn't support it\n\n if (this.options.removeOnDestroy) {\n this.popper.parentNode.removeChild(this.popper);\n }\n\n return this;\n}\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\n\n\nfunction getWindow(element) {\n var ownerDocument = element.ownerDocument;\n return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n var isBody = scrollParent.nodeName === 'BODY';\n var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n target.addEventListener(event, callback, {\n passive: true\n });\n\n if (!isBody) {\n attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n }\n\n scrollParents.push(target);\n}\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\n\n\nfunction setupEventListeners(reference, options, state, updateBound) {\n // Resize event listener on window\n state.updateBound = updateBound;\n getWindow(reference).addEventListener('resize', state.updateBound, {\n passive: true\n }); // Scroll event listener on scroll parents\n\n var scrollElement = getScrollParent(reference);\n attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n state.scrollElement = scrollElement;\n state.eventsEnabled = true;\n return state;\n}\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\n\n\nfunction enableEventListeners() {\n if (!this.state.eventsEnabled) {\n this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n }\n}\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\n\n\nfunction removeEventListeners(reference, state) {\n // Remove resize event listener on window\n getWindow(reference).removeEventListener('resize', state.updateBound); // Remove scroll event listener on scroll parents\n\n state.scrollParents.forEach(function (target) {\n target.removeEventListener('scroll', state.updateBound);\n }); // Reset state\n\n state.updateBound = null;\n state.scrollParents = [];\n state.scrollElement = null;\n state.eventsEnabled = false;\n return state;\n}\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger `onUpdate` callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\n\n\nfunction disableEventListeners() {\n if (this.state.eventsEnabled) {\n cancelAnimationFrame(this.scheduleUpdate);\n this.state = removeEventListeners(this.reference, this.state);\n }\n}\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\n\n\nfunction isNumeric(n) {\n return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\n\n\nfunction setStyles(element, styles) {\n Object.keys(styles).forEach(function (prop) {\n var unit = ''; // add unit if the value is numeric and is one of the following\n\n if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n unit = 'px';\n }\n\n element.style[prop] = styles[prop] + unit;\n });\n}\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\n\n\nfunction setAttributes(element, attributes) {\n Object.keys(attributes).forEach(function (prop) {\n var value = attributes[prop];\n\n if (value !== false) {\n element.setAttribute(prop, attributes[prop]);\n } else {\n element.removeAttribute(prop);\n }\n });\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\n\n\nfunction applyStyle(data) {\n // any property present in `data.styles` will be applied to the popper,\n // in this way we can make the 3rd party modifiers add custom styles to it\n // Be aware, modifiers could override the properties defined in the previous\n // lines of this modifier!\n setStyles(data.instance.popper, data.styles); // any property present in `data.attributes` will be applied to the popper,\n // they will be set as HTML attributes of the element\n\n setAttributes(data.instance.popper, data.attributes); // if arrowElement is defined and arrowStyles has some properties\n\n if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n setStyles(data.arrowElement, data.arrowStyles);\n }\n\n return data;\n}\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper\n * @param {Object} options - Popper.js options\n */\n\n\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n // compute reference element offsets\n var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed); // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n\n var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n popper.setAttribute('x-placement', placement); // Apply `position` to popper before anything else because\n // without the position applied we can't guarantee correct computations\n\n setStyles(popper, {\n position: options.positionFixed ? 'fixed' : 'absolute'\n });\n return options;\n}\n/**\n * @function\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Boolean} shouldRound - If the offsets should be rounded at all\n * @returns {Object} The popper's position offsets rounded\n *\n * The tale of pixel-perfect positioning. It's still not 100% perfect, but as\n * good as it can be within reason.\n * Discussion here: https://github.com/FezVrasta/popper.js/pull/715\n *\n * Low DPI screens cause a popper to be blurry if not using full pixels (Safari\n * as well on High DPI screens).\n *\n * Firefox prefers no rounding for positioning and does not have blurriness on\n * high DPI screens.\n *\n * Only horizontal placement and left/right values need to be considered.\n */\n\n\nfunction getRoundedOffsets(data, shouldRound) {\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var round = Math.round,\n floor = Math.floor;\n\n var noRound = function noRound(v) {\n return v;\n };\n\n var referenceWidth = round(reference.width);\n var popperWidth = round(popper.width);\n var isVertical = ['left', 'right'].indexOf(data.placement) !== -1;\n var isVariation = data.placement.indexOf('-') !== -1;\n var sameWidthParity = referenceWidth % 2 === popperWidth % 2;\n var bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1;\n var horizontalToInteger = !shouldRound ? noRound : isVertical || isVariation || sameWidthParity ? round : floor;\n var verticalToInteger = !shouldRound ? noRound : round;\n return {\n left: horizontalToInteger(bothOddWidth && !isVariation && shouldRound ? popper.left - 1 : popper.left),\n top: verticalToInteger(popper.top),\n bottom: verticalToInteger(popper.bottom),\n right: horizontalToInteger(popper.right)\n };\n}\n\nvar isFirefox = isBrowser && /Firefox/i.test(navigator.userAgent);\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\nfunction computeStyle(data, options) {\n var x = options.x,\n y = options.y;\n var popper = data.offsets.popper; // Remove this legacy support in Popper.js v2\n\n var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n return modifier.name === 'applyStyle';\n }).gpuAcceleration;\n\n if (legacyGpuAccelerationOption !== undefined) {\n console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n }\n\n var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n var offsetParent = getOffsetParent(data.instance.popper);\n var offsetParentRect = getBoundingClientRect(offsetParent); // Styles\n\n var styles = {\n position: popper.position\n };\n var offsets = getRoundedOffsets(data, window.devicePixelRatio < 2 || !isFirefox);\n var sideA = x === 'bottom' ? 'top' : 'bottom';\n var sideB = y === 'right' ? 'left' : 'right'; // if gpuAcceleration is set to `true` and transform is supported,\n // we use `translate3d` to apply the position to the popper we\n // automatically use the supported prefixed version if needed\n\n var prefixedProperty = getSupportedPropertyName('transform'); // now, let's make a step back and look at this code closely (wtf?)\n // If the content of the popper grows once it's been positioned, it\n // may happen that the popper gets misplaced because of the new content\n // overflowing its reference element\n // To avoid this problem, we provide two options (x and y), which allow\n // the consumer to define the offset origin.\n // If we position a popper on top of a reference element, we can set\n // `x` to `top` to make the popper grow towards its top instead of\n // its bottom.\n\n var left = void 0,\n top = void 0;\n\n if (sideA === 'bottom') {\n // when offsetParent is the positioning is relative to the bottom of the screen (excluding the scrollbar)\n // and not the bottom of the html element\n if (offsetParent.nodeName === 'HTML') {\n top = -offsetParent.clientHeight + offsets.bottom;\n } else {\n top = -offsetParentRect.height + offsets.bottom;\n }\n } else {\n top = offsets.top;\n }\n\n if (sideB === 'right') {\n if (offsetParent.nodeName === 'HTML') {\n left = -offsetParent.clientWidth + offsets.right;\n } else {\n left = -offsetParentRect.width + offsets.right;\n }\n } else {\n left = offsets.left;\n }\n\n if (gpuAcceleration && prefixedProperty) {\n styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n styles[sideA] = 0;\n styles[sideB] = 0;\n styles.willChange = 'transform';\n } else {\n // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n var invertTop = sideA === 'bottom' ? -1 : 1;\n var invertLeft = sideB === 'right' ? -1 : 1;\n styles[sideA] = top * invertTop;\n styles[sideB] = left * invertLeft;\n styles.willChange = sideA + ', ' + sideB;\n } // Attributes\n\n\n var attributes = {\n 'x-placement': data.placement\n }; // Update `data` attributes, styles and arrowStyles\n\n data.attributes = _extends({}, attributes, data.attributes);\n data.styles = _extends({}, styles, data.styles);\n data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n return data;\n}\n/**\n * Helper used to know if the given modifier depends from another one.
\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\n\n\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n var requesting = find(modifiers, function (_ref) {\n var name = _ref.name;\n return name === requestingName;\n });\n var isRequired = !!requesting && modifiers.some(function (modifier) {\n return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n });\n\n if (!isRequired) {\n var _requesting = '`' + requestingName + '`';\n\n var requested = '`' + requestedName + '`';\n console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n }\n\n return isRequired;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction arrow(data, options) {\n var _data$offsets$arrow; // arrow depends on keepTogether in order to work\n\n\n if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n return data;\n }\n\n var arrowElement = options.element; // if arrowElement is a string, suppose it's a CSS selector\n\n if (typeof arrowElement === 'string') {\n arrowElement = data.instance.popper.querySelector(arrowElement); // if arrowElement is not found, don't run the modifier\n\n if (!arrowElement) {\n return data;\n }\n } else {\n // if the arrowElement isn't a query selector we must check that the\n // provided DOM node is child of its popper node\n if (!data.instance.popper.contains(arrowElement)) {\n console.warn('WARNING: `arrow.element` must be child of its popper element!');\n return data;\n }\n }\n\n var placement = data.placement.split('-')[0];\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n var len = isVertical ? 'height' : 'width';\n var sideCapitalized = isVertical ? 'Top' : 'Left';\n var side = sideCapitalized.toLowerCase();\n var altSide = isVertical ? 'left' : 'top';\n var opSide = isVertical ? 'bottom' : 'right';\n var arrowElementSize = getOuterSizes(arrowElement)[len]; //\n // extends keepTogether behavior making sure the popper and its\n // reference have enough pixels in conjunction\n //\n // top/left side\n\n if (reference[opSide] - arrowElementSize < popper[side]) {\n data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n } // bottom/right side\n\n\n if (reference[side] + arrowElementSize > popper[opSide]) {\n data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n }\n\n data.offsets.popper = getClientRect(data.offsets.popper); // compute center of the popper\n\n var center = reference[side] + reference[len] / 2 - arrowElementSize / 2; // Compute the sideValue using the updated popper offsets\n // take popper margin in account because we don't have this info available\n\n var css = getStyleComputedProperty(data.instance.popper);\n var popperMarginSide = parseFloat(css['margin' + sideCapitalized]);\n var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width']);\n var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide; // prevent arrowElement from being placed not contiguously to its popper\n\n sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n data.arrowElement = arrowElement;\n data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);\n return data;\n}\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\n\n\nfunction getOppositeVariation(variation) {\n if (variation === 'end') {\n return 'start';\n } else if (variation === 'start') {\n return 'end';\n }\n\n return variation;\n}\n/**\n * List of accepted placements to use as values of the `placement` option.
\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.
\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-end` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\n\n\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start']; // Get rid of `auto` `auto-start` and `auto-end`\n\nvar validPlacements = placements.slice(3);\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\n\nfunction clockwise(placement) {\n var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n var index = validPlacements.indexOf(placement);\n var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n FLIP: 'flip',\n CLOCKWISE: 'clockwise',\n COUNTERCLOCKWISE: 'counterclockwise'\n};\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\nfunction flip(data, options) {\n // if `inner` modifier is enabled, we can't use the `flip` modifier\n if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n return data;\n }\n\n if (data.flipped && data.placement === data.originalPlacement) {\n // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n return data;\n }\n\n var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);\n var placement = data.placement.split('-')[0];\n var placementOpposite = getOppositePlacement(placement);\n var variation = data.placement.split('-')[1] || '';\n var flipOrder = [];\n\n switch (options.behavior) {\n case BEHAVIORS.FLIP:\n flipOrder = [placement, placementOpposite];\n break;\n\n case BEHAVIORS.CLOCKWISE:\n flipOrder = clockwise(placement);\n break;\n\n case BEHAVIORS.COUNTERCLOCKWISE:\n flipOrder = clockwise(placement, true);\n break;\n\n default:\n flipOrder = options.behavior;\n }\n\n flipOrder.forEach(function (step, index) {\n if (placement !== step || flipOrder.length === index + 1) {\n return data;\n }\n\n placement = data.placement.split('-')[0];\n placementOpposite = getOppositePlacement(placement);\n var popperOffsets = data.offsets.popper;\n var refOffsets = data.offsets.reference; // using floor because the reference offsets may contain decimals we are not going to consider here\n\n var floor = Math.floor;\n var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom; // flip the variation if required\n\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1; // flips variation if reference element overflows boundaries\n\n var flippedVariationByRef = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom); // flips variation if popper content overflows boundaries\n\n var flippedVariationByContent = !!options.flipVariationsByContent && (isVertical && variation === 'start' && overflowsRight || isVertical && variation === 'end' && overflowsLeft || !isVertical && variation === 'start' && overflowsBottom || !isVertical && variation === 'end' && overflowsTop);\n var flippedVariation = flippedVariationByRef || flippedVariationByContent;\n\n if (overlapsRef || overflowsBoundaries || flippedVariation) {\n // this boolean to detect any flip loop\n data.flipped = true;\n\n if (overlapsRef || overflowsBoundaries) {\n placement = flipOrder[index + 1];\n }\n\n if (flippedVariation) {\n variation = getOppositeVariation(variation);\n }\n\n data.placement = placement + (variation ? '-' + variation : ''); // this object contains `position`, we want to preserve it along with\n // any additional property we may add in the future\n\n data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n data = runModifiers(data.instance.modifiers, data, 'flip');\n }\n });\n return data;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction keepTogether(data) {\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var placement = data.placement.split('-')[0];\n var floor = Math.floor;\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n var side = isVertical ? 'right' : 'bottom';\n var opSide = isVertical ? 'left' : 'top';\n var measurement = isVertical ? 'width' : 'height';\n\n if (popper[side] < floor(reference[opSide])) {\n data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n }\n\n if (popper[opSide] > floor(reference[side])) {\n data.offsets.popper[opSide] = floor(reference[side]);\n }\n\n return data;\n}\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\n\n\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n // separate value from unit\n var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n var value = +split[1];\n var unit = split[2]; // If it's not a number it's an operator, I guess\n\n if (!value) {\n return str;\n }\n\n if (unit.indexOf('%') === 0) {\n var element = void 0;\n\n switch (unit) {\n case '%p':\n element = popperOffsets;\n break;\n\n case '%':\n case '%r':\n default:\n element = referenceOffsets;\n }\n\n var rect = getClientRect(element);\n return rect[measurement] / 100 * value;\n } else if (unit === 'vh' || unit === 'vw') {\n // if is a vh or vw, we calculate the size based on the viewport\n var size = void 0;\n\n if (unit === 'vh') {\n size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n } else {\n size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n }\n\n return size / 100 * value;\n } else {\n // if is an explicit pixel unit, we get rid of the unit and keep the value\n // if is an implicit unit, it's px, and we return just the value\n return value;\n }\n}\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\n\n\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n var offsets = [0, 0]; // Use height if placement is left or right and index is 0 otherwise use width\n // in this way the first offset will use an axis and the second one\n // will use the other one\n\n var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1; // Split the offset string to obtain a list of values and operands\n // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n\n var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n return frag.trim();\n }); // Detect if the offset string contains a pair of values or a single one\n // they could be separated by comma or space\n\n var divider = fragments.indexOf(find(fragments, function (frag) {\n return frag.search(/,|\\s/) !== -1;\n }));\n\n if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n } // If divider is found, we divide the list of values and operands to divide\n // them by ofset X and Y.\n\n\n var splitRegex = /\\s*,\\s*|\\s+/;\n var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments]; // Convert the values with units to absolute pixels to allow our computations\n\n ops = ops.map(function (op, index) {\n // Most of the units rely on the orientation of the popper\n var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n var mergeWithPrevious = false;\n return op // This aggregates any `+` or `-` sign that aren't considered operators\n // e.g.: 10 + +5 => [10, +, +5]\n .reduce(function (a, b) {\n if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n a[a.length - 1] = b;\n mergeWithPrevious = true;\n return a;\n } else if (mergeWithPrevious) {\n a[a.length - 1] += b;\n mergeWithPrevious = false;\n return a;\n } else {\n return a.concat(b);\n }\n }, []) // Here we convert the string values into number values (in px)\n .map(function (str) {\n return toValue(str, measurement, popperOffsets, referenceOffsets);\n });\n }); // Loop trough the offsets arrays and execute the operations\n\n ops.forEach(function (op, index) {\n op.forEach(function (frag, index2) {\n if (isNumeric(frag)) {\n offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n }\n });\n });\n return offsets;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction offset(data, _ref) {\n var offset = _ref.offset;\n var placement = data.placement,\n _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var basePlacement = placement.split('-')[0];\n var offsets = void 0;\n\n if (isNumeric(+offset)) {\n offsets = [+offset, 0];\n } else {\n offsets = parseOffset(offset, popper, reference, basePlacement);\n }\n\n if (basePlacement === 'left') {\n popper.top += offsets[0];\n popper.left -= offsets[1];\n } else if (basePlacement === 'right') {\n popper.top += offsets[0];\n popper.left += offsets[1];\n } else if (basePlacement === 'top') {\n popper.left += offsets[0];\n popper.top -= offsets[1];\n } else if (basePlacement === 'bottom') {\n popper.left += offsets[0];\n popper.top += offsets[1];\n }\n\n data.popper = popper;\n return data;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction preventOverflow(data, options) {\n var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper); // If offsetParent is the reference element, we really want to\n // go one step up and use the next offsetParent as reference to\n // avoid to make this modifier completely useless and look like broken\n\n if (data.instance.reference === boundariesElement) {\n boundariesElement = getOffsetParent(boundariesElement);\n } // NOTE: DOM access here\n // resets the popper's position so that the document size can be calculated excluding\n // the size of the popper element itself\n\n\n var transformProp = getSupportedPropertyName('transform');\n var popperStyles = data.instance.popper.style; // assignment to help minification\n\n var top = popperStyles.top,\n left = popperStyles.left,\n transform = popperStyles[transformProp];\n popperStyles.top = '';\n popperStyles.left = '';\n popperStyles[transformProp] = '';\n var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed); // NOTE: DOM access here\n // restores the original style properties after the offsets have been computed\n\n popperStyles.top = top;\n popperStyles.left = left;\n popperStyles[transformProp] = transform;\n options.boundaries = boundaries;\n var order = options.priority;\n var popper = data.offsets.popper;\n var check = {\n primary: function primary(placement) {\n var value = popper[placement];\n\n if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n value = Math.max(popper[placement], boundaries[placement]);\n }\n\n return defineProperty({}, placement, value);\n },\n secondary: function secondary(placement) {\n var mainSide = placement === 'right' ? 'left' : 'top';\n var value = popper[mainSide];\n\n if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n }\n\n return defineProperty({}, mainSide, value);\n }\n };\n order.forEach(function (placement) {\n var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n popper = _extends({}, popper, check[side](placement));\n });\n data.offsets.popper = popper;\n return data;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction shift(data) {\n var placement = data.placement;\n var basePlacement = placement.split('-')[0];\n var shiftvariation = placement.split('-')[1]; // if shift shiftvariation is specified, run the modifier\n\n if (shiftvariation) {\n var _data$offsets = data.offsets,\n reference = _data$offsets.reference,\n popper = _data$offsets.popper;\n var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n var side = isVertical ? 'left' : 'top';\n var measurement = isVertical ? 'width' : 'height';\n var shiftOffsets = {\n start: defineProperty({}, side, reference[side]),\n end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n };\n data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n }\n\n return data;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction hide(data) {\n if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n return data;\n }\n\n var refRect = data.offsets.reference;\n var bound = find(data.instance.modifiers, function (modifier) {\n return modifier.name === 'preventOverflow';\n }).boundaries;\n\n if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === true) {\n return data;\n }\n\n data.hide = true;\n data.attributes['x-out-of-boundaries'] = '';\n } else {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === false) {\n return data;\n }\n\n data.hide = false;\n data.attributes['x-out-of-boundaries'] = false;\n }\n\n return data;\n}\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\n\n\nfunction inner(data) {\n var placement = data.placement;\n var basePlacement = placement.split('-')[0];\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n data.placement = getOppositePlacement(placement);\n data.offsets.popper = getClientRect(popper);\n return data;\n}\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.
\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.
\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\n\n\nvar modifiers = {\n /**\n * Modifier used to shift the popper on the start or end of its reference\n * element.
\n * It will read the variation of the `placement` property.
\n * It can be one either `-end` or `-start`.\n * @memberof modifiers\n * @inner\n */\n shift: {\n /** @prop {number} order=100 - Index used to define the order of execution */\n order: 100,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: shift\n },\n\n /**\n * The `offset` modifier can shift your popper on both its axis.\n *\n * It accepts the following units:\n * - `px` or unit-less, interpreted as pixels\n * - `%` or `%r`, percentage relative to the length of the reference element\n * - `%p`, percentage relative to the length of the popper element\n * - `vw`, CSS viewport width unit\n * - `vh`, CSS viewport height unit\n *\n * For length is intended the main axis relative to the placement of the popper.
\n * This means that if the placement is `top` or `bottom`, the length will be the\n * `width`. In case of `left` or `right`, it will be the `height`.\n *\n * You can provide a single value (as `Number` or `String`), or a pair of values\n * as `String` divided by a comma or one (or more) white spaces.
\n * The latter is a deprecated method because it leads to confusion and will be\n * removed in v2.
\n * Additionally, it accepts additions and subtractions between different units.\n * Note that multiplications and divisions aren't supported.\n *\n * Valid examples are:\n * ```\n * 10\n * '10%'\n * '10, 10'\n * '10%, 10'\n * '10 + 10%'\n * '10 - 5vh + 3%'\n * '-10px + 5vh, 5px - 6%'\n * ```\n * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).\n *\n * @memberof modifiers\n * @inner\n */\n offset: {\n /** @prop {number} order=200 - Index used to define the order of execution */\n order: 200,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: offset,\n\n /** @prop {Number|String} offset=0\n * The offset value as described in the modifier description\n */\n offset: 0\n },\n\n /**\n * Modifier used to prevent the popper from being positioned outside the boundary.\n *\n * A scenario exists where the reference itself is not within the boundaries.
\n * We can say it has \"escaped the boundaries\" — or just \"escaped\".
\n * In this case we need to decide whether the popper should either:\n *\n * - detach from the reference and remain \"trapped\" in the boundaries, or\n * - if it should ignore the boundary and \"escape with its reference\"\n *\n * When `escapeWithReference` is set to`true` and reference is completely\n * outside its boundaries, the popper will overflow (or completely leave)\n * the boundaries in order to remain attached to the edge of the reference.\n *\n * @memberof modifiers\n * @inner\n */\n preventOverflow: {\n /** @prop {number} order=300 - Index used to define the order of execution */\n order: 300,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: preventOverflow,\n\n /**\n * @prop {Array} [priority=['left','right','top','bottom']]\n * Popper will try to prevent overflow following these priorities by default,\n * then, it could overflow on the left and on top of the `boundariesElement`\n */\n priority: ['left', 'right', 'top', 'bottom'],\n\n /**\n * @prop {number} padding=5\n * Amount of pixel used to define a minimum distance between the boundaries\n * and the popper. This makes sure the popper always has a little padding\n * between the edges of its container\n */\n padding: 5,\n\n /**\n * @prop {String|HTMLElement} boundariesElement='scrollParent'\n * Boundaries used by the modifier. Can be `scrollParent`, `window`,\n * `viewport` or any DOM element.\n */\n boundariesElement: 'scrollParent'\n },\n\n /**\n * Modifier used to make sure the reference and its popper stay near each other\n * without leaving any gap between the two. Especially useful when the arrow is\n * enabled and you want to ensure that it points to its reference element.\n * It cares only about the first axis. You can still have poppers with margin\n * between the popper and its reference element.\n * @memberof modifiers\n * @inner\n */\n keepTogether: {\n /** @prop {number} order=400 - Index used to define the order of execution */\n order: 400,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: keepTogether\n },\n\n /**\n * This modifier is used to move the `arrowElement` of the popper to make\n * sure it is positioned between the reference element and its popper element.\n * It will read the outer size of the `arrowElement` node to detect how many\n * pixels of conjunction are needed.\n *\n * It has no effect if no `arrowElement` is provided.\n * @memberof modifiers\n * @inner\n */\n arrow: {\n /** @prop {number} order=500 - Index used to define the order of execution */\n order: 500,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: arrow,\n\n /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n element: '[x-arrow]'\n },\n\n /**\n * Modifier used to flip the popper's placement when it starts to overlap its\n * reference element.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n *\n * **NOTE:** this modifier will interrupt the current update cycle and will\n * restart it if it detects the need to flip the placement.\n * @memberof modifiers\n * @inner\n */\n flip: {\n /** @prop {number} order=600 - Index used to define the order of execution */\n order: 600,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: flip,\n\n /**\n * @prop {String|Array} behavior='flip'\n * The behavior used to change the popper's placement. It can be one of\n * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n * placements (with optional variations)\n */\n behavior: 'flip',\n\n /**\n * @prop {number} padding=5\n * The popper will flip if it hits the edges of the `boundariesElement`\n */\n padding: 5,\n\n /**\n * @prop {String|HTMLElement} boundariesElement='viewport'\n * The element which will define the boundaries of the popper position.\n * The popper will never be placed outside of the defined boundaries\n * (except if `keepTogether` is enabled)\n */\n boundariesElement: 'viewport',\n\n /**\n * @prop {Boolean} flipVariations=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the reference element overlaps its boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariations: false,\n\n /**\n * @prop {Boolean} flipVariationsByContent=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the popper element overlaps its reference boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariationsByContent: false\n },\n\n /**\n * Modifier used to make the popper flow toward the inner of the reference element.\n * By default, when this modifier is disabled, the popper will be placed outside\n * the reference element.\n * @memberof modifiers\n * @inner\n */\n inner: {\n /** @prop {number} order=700 - Index used to define the order of execution */\n order: 700,\n\n /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n enabled: false,\n\n /** @prop {ModifierFn} */\n fn: inner\n },\n\n /**\n * Modifier used to hide the popper when its reference element is outside of the\n * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n * be used to hide with a CSS selector the popper when its reference is\n * out of boundaries.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n * @memberof modifiers\n * @inner\n */\n hide: {\n /** @prop {number} order=800 - Index used to define the order of execution */\n order: 800,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: hide\n },\n\n /**\n * Computes the style that will be applied to the popper element to gets\n * properly positioned.\n *\n * Note that this modifier will not touch the DOM, it just prepares the styles\n * so that `applyStyle` modifier can apply it. This separation is useful\n * in case you need to replace `applyStyle` with a custom implementation.\n *\n * This modifier has `850` as `order` value to maintain backward compatibility\n * with previous versions of Popper.js. Expect the modifiers ordering method\n * to change in future major versions of the library.\n *\n * @memberof modifiers\n * @inner\n */\n computeStyle: {\n /** @prop {number} order=850 - Index used to define the order of execution */\n order: 850,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: computeStyle,\n\n /**\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: true,\n\n /**\n * @prop {string} [x='bottom']\n * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n * Change this if your popper should grow in a direction different from `bottom`\n */\n x: 'bottom',\n\n /**\n * @prop {string} [x='left']\n * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n * Change this if your popper should grow in a direction different from `right`\n */\n y: 'right'\n },\n\n /**\n * Applies the computed styles to the popper element.\n *\n * All the DOM manipulations are limited to this modifier. This is useful in case\n * you want to integrate Popper.js inside a framework or view library and you\n * want to delegate all the DOM manipulations to it.\n *\n * Note that if you disable this modifier, you must make sure the popper element\n * has its position set to `absolute` before Popper.js can do its work!\n *\n * Just disable this modifier and define your own to achieve the desired effect.\n *\n * @memberof modifiers\n * @inner\n */\n applyStyle: {\n /** @prop {number} order=900 - Index used to define the order of execution */\n order: 900,\n\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n\n /** @prop {ModifierFn} */\n fn: applyStyle,\n\n /** @prop {Function} */\n onLoad: applyStyleOnLoad,\n\n /**\n * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: undefined\n }\n};\n/**\n * The `dataObject` is an object containing all the information used by Popper.js.\n * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor.
\n * These can be overridden using the `options` argument of Popper.js.
\n * To override an option, simply pass an object with the same\n * structure of the `options` object, as the 3rd argument. For example:\n * ```\n * new Popper(ref, pop, {\n * modifiers: {\n * preventOverflow: { enabled: false }\n * }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\n\nvar Defaults = {\n /**\n * Popper's placement.\n * @prop {Popper.placements} placement='bottom'\n */\n placement: 'bottom',\n\n /**\n * Set this to true if you want popper to position it self in 'fixed' mode\n * @prop {Boolean} positionFixed=false\n */\n positionFixed: false,\n\n /**\n * Whether events (resize, scroll) are initially enabled.\n * @prop {Boolean} eventsEnabled=true\n */\n eventsEnabled: true,\n\n /**\n * Set to true if you want to automatically remove the popper when\n * you call the `destroy` method.\n * @prop {Boolean} removeOnDestroy=false\n */\n removeOnDestroy: false,\n\n /**\n * Callback called when the popper is created.
\n * By default, it is set to no-op.
\n * Access Popper.js instance with `data.instance`.\n * @prop {onCreate}\n */\n onCreate: function onCreate() {},\n\n /**\n * Callback called when the popper is updated. This callback is not called\n * on the initialization/creation of the popper, but only on subsequent\n * updates.
\n * By default, it is set to no-op.
\n * Access Popper.js instance with `data.instance`.\n * @prop {onUpdate}\n */\n onUpdate: function onUpdate() {},\n\n /**\n * List of modifiers used to modify the offsets before they are applied to the popper.\n * They provide most of the functionalities of Popper.js.\n * @prop {modifiers}\n */\n modifiers: modifiers\n};\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n// Utils\n// Methods\n\nvar Popper = function () {\n /**\n * Creates a new Popper.js instance.\n * @class Popper\n * @param {Element|referenceObject} reference - The reference element used to position the popper\n * @param {Element} popper - The HTML / XML element used as the popper\n * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n * @return {Object} instance - The generated Popper.js instance\n */\n function Popper(reference, popper) {\n var _this = this;\n\n var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n classCallCheck(this, Popper);\n\n this.scheduleUpdate = function () {\n return requestAnimationFrame(_this.update);\n }; // make update() debounced, so that it only runs at most once-per-tick\n\n\n this.update = debounce(this.update.bind(this)); // with {} we create a new object with the options inside it\n\n this.options = _extends({}, Popper.Defaults, options); // init state\n\n this.state = {\n isDestroyed: false,\n isCreated: false,\n scrollParents: []\n }; // get reference and popper elements (allow jQuery wrappers)\n\n this.reference = reference && reference.jquery ? reference[0] : reference;\n this.popper = popper && popper.jquery ? popper[0] : popper; // Deep merge modifiers options\n\n this.options.modifiers = {};\n Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n }); // Refactoring modifiers' list (Object => Array)\n\n this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n return _extends({\n name: name\n }, _this.options.modifiers[name]);\n }) // sort the modifiers by order\n .sort(function (a, b) {\n return a.order - b.order;\n }); // modifiers have the ability to execute arbitrary code when Popper.js get inited\n // such code is executed in the same order of its modifier\n // they could add new properties to their options configuration\n // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n\n this.modifiers.forEach(function (modifierOptions) {\n if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n }\n }); // fire the first update to position the popper in the right place\n\n this.update();\n var eventsEnabled = this.options.eventsEnabled;\n\n if (eventsEnabled) {\n // setup event listeners, they will take care of update the position in specific situations\n this.enableEventListeners();\n }\n\n this.state.eventsEnabled = eventsEnabled;\n } // We can't use class properties because they don't get listed in the\n // class prototype and break stuff like Sinon stubs\n\n\n createClass(Popper, [{\n key: 'update',\n value: function update$$1() {\n return update.call(this);\n }\n }, {\n key: 'destroy',\n value: function destroy$$1() {\n return destroy.call(this);\n }\n }, {\n key: 'enableEventListeners',\n value: function enableEventListeners$$1() {\n return enableEventListeners.call(this);\n }\n }, {\n key: 'disableEventListeners',\n value: function disableEventListeners$$1() {\n return disableEventListeners.call(this);\n }\n /**\n * Schedules an update. It will run on the next UI update available.\n * @method scheduleUpdate\n * @memberof Popper\n */\n\n /**\n * Collection of utilities useful when writing custom modifiers.\n * Starting from version 1.7, this method is available only if you\n * include `popper-utils.js` before `popper.js`.\n *\n * **DEPRECATION**: This way to access PopperUtils is deprecated\n * and will be removed in v2! Use the PopperUtils module directly instead.\n * Due to the high instability of the methods contained in Utils, we can't\n * guarantee them to follow semver. Use them at your own risk!\n * @static\n * @private\n * @type {Object}\n * @deprecated since version 1.8\n * @member Utils\n * @memberof Popper\n */\n\n }]);\n return Popper;\n}();\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.
\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10.\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n\n\nPopper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\nPopper.placements = placements;\nPopper.Defaults = Defaults;\nexport default Popper;","function _typeof(obj) { \"@babel/helpers - typeof\"; return _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (obj) { return typeof obj; 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// Live NodeList collection\n // If browser needs currentScript polyfill, add get currentScript() to the document object\n\n if (!(currentScript in document)) {\n Object.defineProperty(document, currentScript, {\n get: function get() {\n // IE 6-10 supports script readyState\n // IE 10+ support stack trace\n try {\n throw new Error();\n } catch (err) {\n // Find the second match for the \"at\" string to get file src url from stack.\n // Specifically works with the format of stack traces in IE.\n var i,\n res = (/.*at [^\\(]*\\((.*):.+:.+\\)$/ig.exec(err.stack) || [false])[1]; // For all scripts on the page, if src matches or if ready state is interactive, return the script tag\n\n for (i in scripts) {\n if (scripts[i].src == res || scripts[i].readyState == \"interactive\") {\n return scripts[i];\n }\n } // If no match, return null\n\n\n return null;\n }\n }\n });\n }\n })(document);\n /***/\n\n },\n\n /***/\n \"fb15\":\n /***/\n function fb15(module, __webpack_exports__, __webpack_require__) {\n \"use strict\";\n\n __webpack_require__.r(__webpack_exports__); // CONCATENATED MODULE: ./node_modules/@vue/cli-service/lib/commands/build/setPublicPath.js\n // This file is imported into lib/wc client bundles.\n\n\n if (typeof window !== 'undefined') {\n if (true) {\n __webpack_require__(\"f6fd\");\n }\n\n var i;\n\n if ((i = window.document.currentScript) && (i = i.src.match(/(.+\\/)[^/]+\\.js(\\?.*)?$/))) {\n __webpack_require__.p = i[1]; // eslint-disable-line\n }\n } // Indicate to webpack that this file can be concatenated\n\n /* harmony default export */\n\n\n var setPublicPath = null; // CONCATENATED MODULE: ./node_modules/autolinker/dist/es2015/utils.js\n\n /**\n * Assigns (shallow copies) the properties of `src` onto `dest`, if the\n * corresponding property on `dest` === `undefined`.\n *\n * @param {Object} dest The destination object.\n * @param {Object} src The source object.\n * @return {Object} The destination object (`dest`)\n */\n\n function defaults(dest, src) {\n for (var prop in src) {\n if (src.hasOwnProperty(prop) && dest[prop] === undefined) {\n dest[prop] = src[prop];\n }\n }\n\n return dest;\n }\n /**\n * Truncates the `str` at `len - ellipsisChars.length`, and adds the `ellipsisChars` to the\n * end of the string (by default, two periods: '..'). If the `str` length does not exceed\n * `len`, the string will be returned unchanged.\n *\n * @param {String} str The string to truncate and add an ellipsis to.\n * @param {Number} truncateLen The length to truncate the string at.\n * @param {String} [ellipsisChars=...] The ellipsis character(s) to add to the end of `str`\n * when truncated. Defaults to '...'\n */\n\n\n function ellipsis(str, truncateLen, ellipsisChars) {\n var ellipsisLength;\n\n if (str.length > truncateLen) {\n if (ellipsisChars == null) {\n ellipsisChars = '…';\n ellipsisLength = 3;\n } else {\n ellipsisLength = ellipsisChars.length;\n }\n\n str = str.substring(0, truncateLen - ellipsisLength) + ellipsisChars;\n }\n\n return str;\n }\n /**\n * Supports `Array.prototype.indexOf()` functionality for old IE (IE8 and below).\n *\n * @param {Array} arr The array to find an element of.\n * @param {*} element The element to find in the array, and return the index of.\n * @return {Number} The index of the `element`, or -1 if it was not found.\n */\n\n\n function indexOf(arr, element) {\n if (Array.prototype.indexOf) {\n return arr.indexOf(element);\n } else {\n for (var i = 0, len = arr.length; i < len; i++) {\n if (arr[i] === element) return i;\n }\n\n return -1;\n }\n }\n /**\n * Removes array elements based on a filtering function. Mutates the input\n * array.\n *\n * Using this instead of the ES5 Array.prototype.filter() function, to allow\n * Autolinker compatibility with IE8, and also to prevent creating many new\n * arrays in memory for filtering.\n *\n * @param {Array} arr The array to remove elements from. This array is\n * mutated.\n * @param {Function} fn A function which should return `true` to\n * remove an element.\n * @return {Array} The mutated input `arr`.\n */\n\n\n function remove(arr, fn) {\n for (var i = arr.length - 1; i >= 0; i--) {\n if (fn(arr[i]) === true) {\n arr.splice(i, 1);\n }\n }\n }\n /**\n * Performs the functionality of what modern browsers do when `String.prototype.split()` is called\n * with a regular expression that contains capturing parenthesis.\n *\n * For example:\n *\n * // Modern browsers:\n * \"a,b,c\".split( /(,)/ ); // --> [ 'a', ',', 'b', ',', 'c' ]\n *\n * // Old IE (including IE8):\n * \"a,b,c\".split( /(,)/ ); // --> [ 'a', 'b', 'c' ]\n *\n * This method emulates the functionality of modern browsers for the old IE case.\n *\n * @param {String} str The string to split.\n * @param {RegExp} splitRegex The regular expression to split the input `str` on. The splitting\n * character(s) will be spliced into the array, as in the \"modern browsers\" example in the\n * description of this method.\n * Note #1: the supplied regular expression **must** have the 'g' flag specified.\n * Note #2: for simplicity's sake, the regular expression does not need\n * to contain capturing parenthesis - it will be assumed that any match has them.\n * @return {String[]} The split array of strings, with the splitting character(s) included.\n */\n\n\n function splitAndCapture(str, splitRegex) {\n if (!splitRegex.global) throw new Error(\"`splitRegex` must have the 'g' flag set\");\n var result = [],\n lastIdx = 0,\n match;\n\n while (match = splitRegex.exec(str)) {\n result.push(str.substring(lastIdx, match.index));\n result.push(match[0]); // push the splitting char(s)\n\n lastIdx = match.index + match[0].length;\n }\n\n result.push(str.substring(lastIdx));\n return result;\n }\n /**\n * Function that should never be called but is used to check that every\n * enum value is handled using TypeScript's 'never' type.\n */\n\n\n function throwUnhandledCaseError(theValue) {\n throw new Error(\"Unhandled case for value: '\" + theValue + \"'\");\n } // CONCATENATED MODULE: ./node_modules/autolinker/dist/es2015/html-tag.js\n\n /**\n * @class Autolinker.HtmlTag\n * @extends Object\n *\n * Represents an HTML tag, which can be used to easily build/modify HTML tags programmatically.\n *\n * Autolinker uses this abstraction to create HTML tags, and then write them out as strings. You may also use\n * this class in your code, especially within a {@link Autolinker#replaceFn replaceFn}.\n *\n * ## Examples\n *\n * Example instantiation:\n *\n * var tag = new Autolinker.HtmlTag( {\n * tagName : 'a',\n * attrs : { 'href': 'http://google.com', 'class': 'external-link' },\n * innerHtml : 'Google'\n * } );\n *\n * tag.toAnchorString(); // Google\n *\n * // Individual accessor methods\n * tag.getTagName(); // 'a'\n * tag.getAttr( 'href' ); // 'http://google.com'\n * tag.hasClass( 'external-link' ); // true\n *\n *\n * Using mutator methods (which may be used in combination with instantiation config properties):\n *\n * var tag = new Autolinker.HtmlTag();\n * tag.setTagName( 'a' );\n * tag.setAttr( 'href', 'http://google.com' );\n * tag.addClass( 'external-link' );\n * tag.setInnerHtml( 'Google' );\n *\n * tag.getTagName(); // 'a'\n * tag.getAttr( 'href' ); // 'http://google.com'\n * tag.hasClass( 'external-link' ); // true\n *\n * tag.toAnchorString(); // Google\n *\n *\n * ## Example use within a {@link Autolinker#replaceFn replaceFn}\n *\n * var html = Autolinker.link( \"Test google.com\", {\n * replaceFn : function( match ) {\n * var tag = match.buildTag(); // returns an {@link Autolinker.HtmlTag} instance, configured with the Match's href and anchor text\n * tag.setAttr( 'rel', 'nofollow' );\n *\n * return tag;\n * }\n * } );\n *\n * // generated html:\n * // Test google.com\n *\n *\n * ## Example use with a new tag for the replacement\n *\n * var html = Autolinker.link( \"Test google.com\", {\n * replaceFn : function( match ) {\n * var tag = new Autolinker.HtmlTag( {\n * tagName : 'button',\n * attrs : { 'title': 'Load URL: ' + match.getAnchorHref() },\n * innerHtml : 'Load URL: ' + match.getAnchorText()\n * } );\n *\n * return tag;\n * }\n * } );\n *\n * // generated html:\n * // Test \n */\n\n\n var html_tag_HtmlTag =\n /** @class */\n function () {\n /**\n * @method constructor\n * @param {Object} [cfg] The configuration properties for this class, in an Object (map)\n */\n function HtmlTag(cfg) {\n if (cfg === void 0) {\n cfg = {};\n }\n /**\n * @cfg {String} tagName\n *\n * The tag name. Ex: 'a', 'button', etc.\n *\n * Not required at instantiation time, but should be set using {@link #setTagName} before {@link #toAnchorString}\n * is executed.\n */\n\n\n this.tagName = ''; // default value just to get the above doc comment in the ES5 output and documentation generator\n\n /**\n * @cfg {Object.
\n \n {{ userDisplayName }}\n \n •\n \n
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