【备战春招】第21天 数据可视化，打造前端差异化竞争力 第十讲
标签：
JavaScript
课程名称： 数据可视化入门到精通-打造前端差异化竞争力
课程章节： 数据大屏项目技术方案分析
主讲老师： Sam
课程内容：
今天学习的内容包括：
数据大屏项目技术方案分析
课程收获：
10.1 心得：
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function VueCountTo (Vue) {
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vue.onMounted(function () {
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script$7.__scopeId = "data-v-38cd74e2";
script$7.__file = "src/components/VueEcharts/VueEcharts.vue";
function VueEcharts (Vue) {
Vue.component(script$7.name, script$7);
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function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) {
arr2[i] = arr[i];
}
return arr2;
}
var arrayLikeToArray = _arrayLikeToArray;
function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) return arrayLikeToArray(arr);
}
var arrayWithoutHoles = _arrayWithoutHoles;
function _iterableToArray(iter) {
if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
}
var iterableToArray = _iterableToArray;
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
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if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen);
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var unsupportedIterableToArray = _unsupportedIterableToArray;
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
var nonIterableSpread = _nonIterableSpread;
function _toConsumableArray(arr) {
return arrayWithoutHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableSpread();
}
var toConsumableArray = _toConsumableArray;
function useScreen(id) {
var width = vue.ref(0);
var height = vue.ref(0);
var dom;
vue.onMounted(function () {
dom = document.getElementById(id);
width.value = dom.clientWidth;
height.value = dom.clientHeight;
});
return {
width: width,
height: height
};
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/**
* Removes all key-value entries from the list cache.
*
* @private
* @name clear
* @memberOf ListCache
*/
function listCacheClear() {
this.__data__ = [];
this.size = 0;
}
var _listCacheClear = listCacheClear;
/**
* Performs a
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* comparison between two values to determine if they are equivalent.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.eq(object, object);
* // => true
*
* _.eq(object, other);
* // => false
*
* _.eq('a', 'a');
* // => true
*
* _.eq('a', Object('a'));
* // => false
*
* _.eq(NaN, NaN);
* // => true
*/
function eq(value, other) {
return value === other || (value !== value && other !== other);
}
var eq_1 = eq;
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function assocIndexOf(array, key) {
var length = array.length;
while (length--) {
if (eq_1(array[length][0], key)) {
return length;
}
}
return -1;
}
var _assocIndexOf = assocIndexOf;
/** Used for built-in method references. */
var arrayProto = Array.prototype;
/** Built-in value references. */
var splice = arrayProto.splice;
/**
* Removes `key` and its value from the list cache.
*
* @private
* @name delete
* @memberOf ListCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function listCacheDelete(key) {
var data = this.__data__,
index = _assocIndexOf(data, key);
if (index < 0) {
return false;
}
var lastIndex = data.length - 1;
if (index == lastIndex) {
data.pop();
} else {
splice.call(data, index, 1);
}
--this.size;
return true;
}
var _listCacheDelete = listCacheDelete;
/**
* Gets the list cache value for `key`.
*
* @private
* @name get
* @memberOf ListCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function listCacheGet(key) {
var data = this.__data__,
index = _assocIndexOf(data, key);
return index < 0 ? undefined : data[index][1];
}
var _listCacheGet = listCacheGet;
/**
* Checks if a list cache value for `key` exists.
*
* @private
* @name has
* @memberOf ListCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function listCacheHas(key) {
return _assocIndexOf(this.__data__, key) > -1;
}
var _listCacheHas = listCacheHas;
/**
* Sets the list cache `key` to `value`.
*
* @private
* @name set
* @memberOf ListCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the list cache instance.
*/
function listCacheSet(key, value) {
var data = this.__data__,
index = _assocIndexOf(data, key);
if (index < 0) {
++this.size;
data.push([key, value]);
} else {
data[index][1] = value;
}
return this;
}
var _listCacheSet = listCacheSet;
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function ListCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `ListCache`.
ListCache.prototype.clear = _listCacheClear;
ListCache.prototype['delete'] = _listCacheDelete;
ListCache.prototype.get = _listCacheGet;
ListCache.prototype.has = _listCacheHas;
ListCache.prototype.set = _listCacheSet;
var _ListCache = ListCache;
/**
* Removes all key-value entries from the stack.
*
* @private
* @name clear
* @memberOf Stack
*/
function stackClear() {
this.__data__ = new _ListCache;
this.size = 0;
}
var _stackClear = stackClear;
/**
* Removes `key` and its value from the stack.
*
* @private
* @name delete
* @memberOf Stack
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function stackDelete(key) {
var data = this.__data__,
result = data['delete'](key);
this.size = data.size;
return result;
}
var _stackDelete = stackDelete;
/**
* Gets the stack value for `key`.
*
* @private
* @name get
* @memberOf Stack
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function stackGet(key) {
return this.__data__.get(key);
}
var _stackGet = stackGet;
/**
* Checks if a stack value for `key` exists.
*
* @private
* @name has
* @memberOf Stack
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function stackHas(key) {
return this.__data__.has(key);
}
var _stackHas = stackHas;
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
var _freeGlobal = freeGlobal;
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root = _freeGlobal || freeSelf || Function('return this')();
var _root = root;
/** Built-in value references. */
var Symbol$1 = _root.Symbol;
var _Symbol = Symbol$1;
/** Used for built-in method references. */
var objectProto = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString = objectProto.toString;
/** Built-in value references. */
var symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;
/**
* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the raw `toStringTag`.
*/
function getRawTag(value) {
var isOwn = hasOwnProperty.call(value, symToStringTag),
tag = value[symToStringTag];
try {
value[symToStringTag] = undefined;
var unmasked = true;
} catch (e) {}
var result = nativeObjectToString.call(value);
if (unmasked) {
if (isOwn) {
value[symToStringTag] = tag;
} else {
delete value[symToStringTag];
}
}
return result;
}
var _getRawTag = getRawTag;
/** Used for built-in method references. */
var objectProto$1 = Object.prototype;
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString$1 = objectProto$1.toString;
/**
* Converts `value` to a string using `Object.prototype.toString`.
*
* @private
* @param {*} value The value to convert.
* @returns {string} Returns the converted string.
*/
function objectToString(value) {
return nativeObjectToString$1.call(value);
}
var _objectToString = objectToString;
/** `Object#toString` result references. */
var nullTag = '[object Null]',
undefinedTag = '[object Undefined]';
/** Built-in value references. */
var symToStringTag$1 = _Symbol ? _Symbol.toStringTag : undefined;
/**
* The base implementation of `getTag` without fallbacks for buggy environments.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
function baseGetTag(value) {
if (value == null) {
return value === undefined ? undefinedTag : nullTag;
}
return (symToStringTag$1 && symToStringTag$1 in Object(value))
? _getRawTag(value)
: _objectToString(value);
}
var _baseGetTag = baseGetTag;
/**
* Checks if `value` is the
* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
*
* _.isObject(null);
* // => false
*/
function isObject(value) {
var type = typeof value;
return value != null && (type == 'object' || type == 'function');
}
var isObject_1 = isObject;
/** `Object#toString` result references. */
var asyncTag = '[object AsyncFunction]',
funcTag = '[object Function]',
genTag = '[object GeneratorFunction]',
proxyTag = '[object Proxy]';
/**
* Checks if `value` is classified as a `Function` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject_1(value)) {
return false;
}
// The use of `Object#toString` avoids issues with the `typeof` operator
// in Safari 9 which returns 'object' for typed arrays and other constructors.
var tag = _baseGetTag(value);
return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
}
var isFunction_1 = isFunction;
/** Used to detect overreaching core-js shims. */
var coreJsData = _root['__core-js_shared__'];
var _coreJsData = coreJsData;
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.exec(_coreJsData && _coreJsData.keys && _coreJsData.keys.IE_PROTO || '');
return uid ? ('Symbol(src)_1.' + uid) : '';
}());
/**
* Checks if `func` has its source masked.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
*/
function isMasked(func) {
return !!maskSrcKey && (maskSrcKey in func);
}
var _isMasked = isMasked;
/** Used for built-in method references. */
var funcProto = Function.prototype;
/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;
/**
* Converts `func` to its source code.
*
* @private
* @param {Function} func The function to convert.
* @returns {string} Returns the source code.
*/
function toSource(func) {
if (func != null) {
try {
return funcToString.call(func);
} catch (e) {}
try {
return (func + '');
} catch (e) {}
}
return '';
}
var _toSource = toSource;
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Used for built-in method references. */
var funcProto$1 = Function.prototype,
objectProto$2 = Object.prototype;
/** Used to resolve the decompiled source of functions. */
var funcToString$1 = funcProto$1.toString;
/** Used to check objects for own properties. */
var hasOwnProperty$1 = objectProto$2.hasOwnProperty;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString$1.call(hasOwnProperty$1).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
*/
function baseIsNative(value) {
if (!isObject_1(value) || _isMasked(value)) {
return false;
}
var pattern = isFunction_1(value) ? reIsNative : reIsHostCtor;
return pattern.test(_toSource(value));
}
var _baseIsNative = baseIsNative;
/**
* Gets the value at `key` of `object`.
*
* @private
* @param {Object} [object] The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function getValue(object, key) {
return object == null ? undefined : object[key];
}
var _getValue = getValue;
/**
* Gets the native function at `key` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the method to get.
* @returns {*} Returns the function if it's native, else `undefined`.
*/
function getNative(object, key) {
var value = _getValue(object, key);
return _baseIsNative(value) ? value : undefined;
}
var _getNative = getNative;
/* Built-in method references that are verified to be native. */
var Map = _getNative(_root, 'Map');
var _Map = Map;
/* Built-in method references that are verified to be native. */
var nativeCreate = _getNative(Object, 'create');
var _nativeCreate = nativeCreate;
/**
* Removes all key-value entries from the hash.
*
* @private
* @name clear
* @memberOf Hash
*/
function hashClear() {
this.__data__ = _nativeCreate ? _nativeCreate(null) : {};
this.size = 0;
}
var _hashClear = hashClear;
/**
* Removes `key` and its value from the hash.
*
* @private
* @name delete
* @memberOf Hash
* @param {Object} hash The hash to modify.
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function hashDelete(key) {
var result = this.has(key) && delete this.__data__[key];
this.size -= result ? 1 : 0;
return result;
}
var _hashDelete = hashDelete;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';
/** Used for built-in method references. */
var objectProto$3 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$2 = objectProto$3.hasOwnProperty;
/**
* Gets the hash value for `key`.
*
* @private
* @name get
* @memberOf Hash
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function hashGet(key) {
var data = this.__data__;
if (_nativeCreate) {
var result = data[key];
return result === HASH_UNDEFINED ? undefined : result;
}
return hasOwnProperty$2.call(data, key) ? data[key] : undefined;
}
var _hashGet = hashGet;
/** Used for built-in method references. */
var objectProto$4 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$3 = objectProto$4.hasOwnProperty;
/**
* Checks if a hash value for `key` exists.
*
* @private
* @name has
* @memberOf Hash
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function hashHas(key) {
var data = this.__data__;
return _nativeCreate ? (data[key] !== undefined) : hasOwnProperty$3.call(data, key);
}
var _hashHas = hashHas;
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED$1 = '__lodash_hash_undefined__';
/**
* Sets the hash `key` to `value`.
*
* @private
* @name set
* @memberOf Hash
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the hash instance.
*/
function hashSet(key, value) {
var data = this.__data__;
this.size += this.has(key) ? 0 : 1;
data[key] = (_nativeCreate && value === undefined) ? HASH_UNDEFINED$1 : value;
return this;
}
var _hashSet = hashSet;
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Hash(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `Hash`.
Hash.prototype.clear = _hashClear;
Hash.prototype['delete'] = _hashDelete;
Hash.prototype.get = _hashGet;
Hash.prototype.has = _hashHas;
Hash.prototype.set = _hashSet;
var _Hash = Hash;
/**
* Removes all key-value entries from the map.
*
* @private
* @name clear
* @memberOf MapCache
*/
function mapCacheClear() {
this.size = 0;
this.__data__ = {
'hash': new _Hash,
'map': new (_Map || _ListCache),
'string': new _Hash
};
}
var _mapCacheClear = mapCacheClear;
/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
? (value !== '__proto__')
: (value === null);
}
var _isKeyable = isKeyable;
/**
* Gets the data for `map`.
*
* @private
* @param {Object} map The map to query.
* @param {string} key The reference key.
* @returns {*} Returns the map data.
*/
function getMapData(map, key) {
var data = map.__data__;
return _isKeyable(key)
? data[typeof key == 'string' ? 'string' : 'hash']
: data.map;
}
var _getMapData = getMapData;
/**
* Removes `key` and its value from the map.
*
* @private
* @name delete
* @memberOf MapCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function mapCacheDelete(key) {
var result = _getMapData(this, key)['delete'](key);
this.size -= result ? 1 : 0;
return result;
}
var _mapCacheDelete = mapCacheDelete;
/**
* Gets the map value for `key`.
*
* @private
* @name get
* @memberOf MapCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function mapCacheGet(key) {
return _getMapData(this, key).get(key);
}
var _mapCacheGet = mapCacheGet;
/**
* Checks if a map value for `key` exists.
*
* @private
* @name has
* @memberOf MapCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function mapCacheHas(key) {
return _getMapData(this, key).has(key);
}
var _mapCacheHas = mapCacheHas;
/**
* Sets the map `key` to `value`.
*
* @private
* @name set
* @memberOf MapCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the map cache instance.
*/
function mapCacheSet(key, value) {
var data = _getMapData(this, key),
size = data.size;
data.set(key, value);
this.size += data.size == size ? 0 : 1;
return this;
}
var _mapCacheSet = mapCacheSet;
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function MapCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
// Add methods to `MapCache`.
MapCache.prototype.clear = _mapCacheClear;
MapCache.prototype['delete'] = _mapCacheDelete;
MapCache.prototype.get = _mapCacheGet;
MapCache.prototype.has = _mapCacheHas;
MapCache.prototype.set = _mapCacheSet;
var _MapCache = MapCache;
/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;
/**
* Sets the stack `key` to `value`.
*
* @private
* @name set
* @memberOf Stack
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the stack cache instance.
*/
function stackSet(key, value) {
var data = this.__data__;
if (data instanceof _ListCache) {
var pairs = data.__data__;
if (!_Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
pairs.push([key, value]);
this.size = ++data.size;
return this;
}
data = this.__data__ = new _MapCache(pairs);
}
data.set(key, value);
this.size = data.size;
return this;
}
var _stackSet = stackSet;
/**
* Creates a stack cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Stack(entries) {
var data = this.__data__ = new _ListCache(entries);
this.size = data.size;
}
// Add methods to `Stack`.
Stack.prototype.clear = _stackClear;
Stack.prototype['delete'] = _stackDelete;
Stack.prototype.get = _stackGet;
Stack.prototype.has = _stackHas;
Stack.prototype.set = _stackSet;
var _Stack = Stack;
/**
* A specialized version of `_.forEach` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns `array`.
*/
function arrayEach(array, iteratee) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
if (iteratee(array[index], index, array) === false) {
break;
}
}
return array;
}
var _arrayEach = arrayEach;
var defineProperty = (function() {
try {
var func = _getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
var _defineProperty = defineProperty;
/**
* The base implementation of `assignValue` and `assignMergeValue` without
* value checks.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function baseAssignValue(object, key, value) {
if (key == '__proto__' && _defineProperty) {
_defineProperty(object, key, {
'configurable': true,
'enumerable': true,
'value': value,
'writable': true
});
} else {
object[key] = value;
}
}
var _baseAssignValue = baseAssignValue;
/** Used for built-in method references. */
var objectProto$5 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$4 = objectProto$5.hasOwnProperty;
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignValue(object, key, value) {
var objValue = object[key];
if (!(hasOwnProperty$4.call(object, key) && eq_1(objValue, value)) ||
(value === undefined && !(key in object))) {
_baseAssignValue(object, key, value);
}
}
var _assignValue = assignValue;
/**
* Copies properties of `source` to `object`.
*
* @private
* @param {Object} source The object to copy properties from.
* @param {Array} props The property identifiers to copy.
* @param {Object} [object={}] The object to copy properties to.
* @param {Function} [customizer] The function to customize copied values.
* @returns {Object} Returns `object`.
*/
function copyObject(source, props, object, customizer) {
var isNew = !object;
object || (object = {});
var index = -1,
length = props.length;
while (++index < length) {
var key = props[index];
var newValue = customizer
? customizer(object[key], source[key], key, object, source)
: undefined;
if (newValue === undefined) {
newValue = source[key];
}
if (isNew) {
_baseAssignValue(object, key, newValue);
} else {
_assignValue(object, key, newValue);
}
}
return object;
}
var _copyObject = copyObject;
/**
* The base implementation of `_.times` without support for iteratee shorthands
* or max array length checks.
*
* @private
* @param {number} n The number of times to invoke `iteratee`.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the array of results.
*/
function baseTimes(n, iteratee) {
var index = -1,
result = Array(n);
while (++index < n) {
result[index] = iteratee(index);
}
return result;
}
var _baseTimes = baseTimes;
/**
* Checks if `value` is object-like. A value is object-like if it's not `null`
* and has a `typeof` result of "object".
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
*
* _.isObjectLike(null);
* // => false
*/
function isObjectLike(value) {
return value != null && typeof value == 'object';
}
var isObjectLike_1 = isObjectLike;
/** `Object#toString` result references. */
var argsTag = '[object Arguments]';
/**
* The base implementation of `_.isArguments`.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
*/
function baseIsArguments(value) {
return isObjectLike_1(value) && _baseGetTag(value) == argsTag;
}
var _baseIsArguments = baseIsArguments;
/** Used for built-in method references. */
var objectProto$6 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$5 = objectProto$6.hasOwnProperty;
/** Built-in value references. */
var propertyIsEnumerable = objectProto$6.propertyIsEnumerable;
/**
* Checks if `value` is likely an `arguments` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = _baseIsArguments(function() { return arguments; }()) ? _baseIsArguments : function(value) {
return isObjectLike_1(value) && hasOwnProperty$5.call(value, 'callee') &&
!propertyIsEnumerable.call(value, 'callee');
};
var isArguments_1 = isArguments;
/**
* Checks if `value` is classified as an `Array` object.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array, else `false`.
* @example
*
* _.isArray([1, 2, 3]);
* // => true
*
* _.isArray(document.body.children);
* // => false
*
* _.isArray('abc');
* // => false
*
* _.isArray(_.noop);
* // => false
*/
var isArray = Array.isArray;
var isArray_1 = isArray;
/**
* This method returns `false`.
*
* @static
* @memberOf _
* @since 4.13.0
* @category Util
* @returns {boolean} Returns `false`.
* @example
*
* _.times(2, _.stubFalse);
* // => [false, false]
*/
function stubFalse() {
return false;
}
var stubFalse_1 = stubFalse;
var isBuffer_1 = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;
/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;
/**
* Checks if `value` is a buffer.
*
* @static
* @memberOf _
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
* @example
*
* _.isBuffer(new Buffer(2));
* // => true
*
* _.isBuffer(new Uint8Array(2));
* // => false
*/
var isBuffer = nativeIsBuffer || stubFalse_1;
module.exports = isBuffer;
});
/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;
/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;
/**
* Checks if `value` is a valid array-like index.
*
* @private
* @param {*} value The value to check.
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
var type = typeof value;
length = length == null ? MAX_SAFE_INTEGER : length;
return !!length &&
(type == 'number' ||
(type != 'symbol' && reIsUint.test(value))) &&
(value > -1 && value % 1 == 0 && value < length);
}
var _isIndex = isIndex;
/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER$1 = 9007199254740991;
/**
* Checks if `value` is a valid array-like length.
*
* **Note:** This method is loosely based on
* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
* @example
*
* _.isLength(3);
* // => true
*
* _.isLength(Number.MIN_VALUE);
* // => false
*
* _.isLength(Infinity);
* // => false
*
* _.isLength('3');
* // => false
*/
function isLength(value) {
return typeof value == 'number' &&
value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER$1;
}
var isLength_1 = isLength;
/** `Object#toString` result references. */
var argsTag$1 = '[object Arguments]',
arrayTag = '[object Array]',
boolTag = '[object Boolean]',
dateTag = '[object Date]',
errorTag = '[object Error]',
funcTag$1 = '[object Function]',
mapTag = '[object Map]',
numberTag = '[object Number]',
objectTag = '[object Object]',
regexpTag = '[object RegExp]',
setTag = '[object Set]',
stringTag = '[object String]',
weakMapTag = '[object WeakMap]';
var arrayBufferTag = '[object ArrayBuffer]',
dataViewTag = '[object DataView]',
float32Tag = '[object Float32Array]',
float64Tag = '[object Float64Array]',
int8Tag = '[object Int8Array]',
int16Tag = '[object Int16Array]',
int32Tag = '[object Int32Array]',
uint8Tag = '[object Uint8Array]',
uint8ClampedTag = '[object Uint8ClampedArray]',
uint16Tag = '[object Uint16Array]',
uint32Tag = '[object Uint32Array]';
/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag$1] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag$1] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;
/**
* The base implementation of `_.isTypedArray` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
*/
function baseIsTypedArray(value) {
return isObjectLike_1(value) &&
isLength_1(value.length) && !!typedArrayTags[_baseGetTag(value)];
}
var _baseIsTypedArray = baseIsTypedArray;
/**
* The base implementation of `_.unary` without support for storing metadata.
*
* @private
* @param {Function} func The function to cap arguments for.
* @returns {Function} Returns the new capped function.
*/
function baseUnary(func) {
return function(value) {
return func(value);
};
}
var _baseUnary = baseUnary;
var _nodeUtil = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;
/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && _freeGlobal.process;
/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
try {
// Use `util.types` for Node.js 10+.
var types = freeModule && freeModule.require && freeModule.require('util').types;
if (types) {
return types;
}
// Legacy `process.binding('util')` for Node.js < 10.
return freeProcess && freeProcess.binding && freeProcess.binding('util');
} catch (e) {}
}());
module.exports = nodeUtil;
});
/* Node.js helper references. */
var nodeIsTypedArray = _nodeUtil && _nodeUtil.isTypedArray;
/**
* Checks if `value` is classified as a typed array.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
* @example
*
* _.isTypedArray(new Uint8Array);
* // => true
*
* _.isTypedArray([]);
* // => false
*/
var isTypedArray = nodeIsTypedArray ? _baseUnary(nodeIsTypedArray) : _baseIsTypedArray;
var isTypedArray_1 = isTypedArray;
/** Used for built-in method references. */
var objectProto$7 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$6 = objectProto$7.hasOwnProperty;
/**
* Creates an array of the enumerable property names of the array-like `value`.
*
* @private
* @param {*} value The value to query.
* @param {boolean} inherited Specify returning inherited property names.
* @returns {Array} Returns the array of property names.
*/
function arrayLikeKeys(value, inherited) {
var isArr = isArray_1(value),
isArg = !isArr && isArguments_1(value),
isBuff = !isArr && !isArg && isBuffer_1(value),
isType = !isArr && !isArg && !isBuff && isTypedArray_1(value),
skipIndexes = isArr || isArg || isBuff || isType,
result = skipIndexes ? _baseTimes(value.length, String) : [],
length = result.length;
for (var key in value) {
if ((inherited || hasOwnProperty$6.call(value, key)) &&
!(skipIndexes && (
// Safari 9 has enumerable `arguments.length` in strict mode.
key == 'length' ||
// Node.js 0.10 has enumerable non-index properties on buffers.
(isBuff && (key == 'offset' || key == 'parent')) ||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
(isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
// Skip index properties.
_isIndex(key, length)
))) {
result.push(key);
}
}
return result;
}
var _arrayLikeKeys = arrayLikeKeys;
/** Used for built-in method references. */
var objectProto$8 = Object.prototype;
/**
* Checks if `value` is likely a prototype object.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
*/
function isPrototype(value) {
var Ctor = value && value.constructor,
proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto$8;
return value === proto;
}
var _isPrototype = isPrototype;
/**
* Creates a unary function that invokes `func` with its argument transformed.
*
* @private
* @param {Function} func The function to wrap.
* @param {Function} transform The argument transform.
* @returns {Function} Returns the new function.
*/
function overArg(func, transform) {
return function(arg) {
return func(transform(arg));
};
}
var _overArg = overArg;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeKeys = _overArg(Object.keys, Object);
var _nativeKeys = nativeKeys;
/** Used for built-in method references. */
var objectProto$9 = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$7 = objectProto$9.hasOwnProperty;
/**
* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeys(object) {
if (!_isPrototype(object)) {
return _nativeKeys(object);
}
var result = [];
for (var key in Object(object)) {
if (hasOwnProperty$7.call(object, key) && key != 'constructor') {
result.push(key);
}
}
return result;
}
var _baseKeys = baseKeys;
/**
* Checks if `value` is array-like. A value is considered array-like if it's
* not a function and has a `value.length` that's an integer greater than or
* equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
* @example
*
* _.isArrayLike([1, 2, 3]);
* // => true
*
* _.isArrayLike(document.body.children);
* // => true
*
* _.isArrayLike('abc');
* // => true
*
* _.isArrayLike(_.noop);
* // => false
*/
function isArrayLike(value) {
return value != null && isLength_1(value.length) && !isFunction_1(value);
}
var isArrayLike_1 = isArrayLike;
/**
* Creates an array of the own enumerable property names of `object`.
*
* **Note:** Non-object values are coerced to objects. See the
* [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
* for more details.
*
* @static
* @since 0.1.0
* @memberOf _
* @category Object
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
* @example
*
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keys(new Foo);
* // => ['a', 'b'] (iteration order is not guaranteed)
*
* _.keys('hi');
* // => ['0', '1']
*/
function keys(object) {
return isArrayLike_1(object) ? _arrayLikeKeys(object) : _baseKeys(object);
}
var keys_1 = keys;
/**
* The base implementation of `_.assign` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/
function baseAssign(object, source) {
return object && _copyObject(source, keys_1(source), object);
}
var _baseAssign = baseAssign;
/**
* This function is like
* [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
* except that it includes inherited enumerable properties.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function nativeKeysIn(object) {
var result = [];
if (object != null) {
for (var key in Object(object)) {
result.push(key);
}
}
return result;
}
var _nativeKeysIn = nativeKeysIn;
/** Used for built-in method references. */
var objectProto$a = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$8 = objectProto$a.hasOwnProperty;
/**
* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeysIn(object) {
if (!isObject_1(object)) {
return _nativeKeysIn(object);
}
var isProto = _isPrototype(object),
result = [];
for (var key in object) {
if (!(key == 'constructor' && (isProto || !hasOwnProperty$8.call(object, key)))) {
result.push(key);
}
}
return result;
}
var _baseKeysIn = baseKeysIn;
/**
* Creates an array of the own and inherited enumerable property names of `object`.
*
* **Note:** Non-object values are coerced to objects.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Object
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
* @example
*
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keysIn(new Foo);
* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
*/
function keysIn$1(object) {
return isArrayLike_1(object) ? _arrayLikeKeys(object, true) : _baseKeysIn(object);
}
var keysIn_1 = keysIn$1;
/**
* The base implementation of `_.assignIn` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/
function baseAssignIn(object, source) {
return object && _copyObject(source, keysIn_1(source), object);
}
var _baseAssignIn = baseAssignIn;
var _cloneBuffer = createCommonjsModule(function (module, exports) {
/** Detect free variable `exports`. */
var freeExports = exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;
/** Built-in value references. */
var Buffer = moduleExports ? _root.Buffer : undefined,
allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;
/**
* Creates a clone of `buffer`.
*
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
module.exports = cloneBuffer;
});
/**
* Copies the values of `source` to `array`.
*
* @private
* @param {Array} source The array to copy values from.
* @param {Array} [array=[]] The array to copy values to.
* @returns {Array} Returns `array`.
*/
function copyArray(source, array) {
var index = -1,
length = source.length;
array || (array = Array(length));
while (++index < length) {
array[index] = source[index];
}
return array;
}
var _copyArray = copyArray;
/**
* A specialized version of `_.filter` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
*/
function arrayFilter(array, predicate) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (predicate(value, index, array)) {
result[resIndex++] = value;
}
}
return result;
}
var _arrayFilter = arrayFilter;
/**
* This method returns a new empty array.
*
* @static
* @memberOf _
* @since 4.13.0
* @category Util
* @returns {Array} Returns the new empty array.
* @example
*
* var arrays = _.times(2, _.stubArray);
*
* console.log(arrays);
* // => [[], []]
*
* console.log(arrays[0] === arrays[1]);
* // => false
*/
function stubArray() {
return [];
}
var stubArray_1 = stubArray;
/** Used for built-in method references. */
var objectProto$b = Object.prototype;
/** Built-in value references. */
var propertyIsEnumerable$1 = objectProto$b.propertyIsEnumerable;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols;
/**
* Creates an array of the own enumerable symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of symbols.
*/
var getSymbols = !nativeGetSymbols ? stubArray_1 : function(object) {
if (object == null) {
return [];
}
object = Object(object);
return _arrayFilter(nativeGetSymbols(object), function(symbol) {
return propertyIsEnumerable$1.call(object, symbol);
});
};
var _getSymbols = getSymbols;
/**
* Copies own symbols of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbols(source, object) {
return _copyObject(source, _getSymbols(source), object);
}
var _copySymbols = copySymbols;
/**
* Appends the elements of `values` to `array`.
*
* @private
* @param {Array} array The array to modify.
* @param {Array} values The values to append.
* @returns {Array} Returns `array`.
*/
function arrayPush(array, values) {
var index = -1,
length = values.length,
offset = array.length;
while (++index < length) {
array[offset + index] = values[index];
}
return array;
}
var _arrayPush = arrayPush;
/** Built-in value references. */
var getPrototype = _overArg(Object.getPrototypeOf, Object);
var _getPrototype = getPrototype;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols$1 = Object.getOwnPropertySymbols;
/**
* Creates an array of the own and inherited enumerable symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of symbols.
*/
var getSymbolsIn = !nativeGetSymbols$1 ? stubArray_1 : function(object) {
var result = [];
while (object) {
_arrayPush(result, _getSymbols(object));
object = _getPrototype(object);
}
return result;
};
var _getSymbolsIn = getSymbolsIn;
/**
* Copies own and inherited symbols of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbolsIn(source, object) {
return _copyObject(source, _getSymbolsIn(source), object);
}
var _copySymbolsIn = copySymbolsIn;
/**
* The base implementation of `getAllKeys` and `getAllKeysIn` which uses
* `keysFunc` and `symbolsFunc` to get the enumerable property names and
* symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {Function} keysFunc The function to get the keys of `object`.
* @param {Function} symbolsFunc The function to get the symbols of `object`.
* @returns {Array} Returns the array of property names and symbols.
*/
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
var result = keysFunc(object);
return isArray_1(object) ? result : _arrayPush(result, symbolsFunc(object));
}
var _baseGetAllKeys = baseGetAllKeys;
/**
* Creates an array of own enumerable property names and symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names and symbols.
*/
function getAllKeys(object) {
return _baseGetAllKeys(object, keys_1, _getSymbols);
}
var _getAllKeys = getAllKeys;
/**
* Creates an array of own and inherited enumerable property names and
* symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names and symbols.
*/
function getAllKeysIn(object) {
return _baseGetAllKeys(object, keysIn_1, _getSymbolsIn);
}
var _getAllKeysIn = getAllKeysIn;
/* Built-in method references that are verified to be native. */
var DataView = _getNative(_root, 'DataView');
var _DataView = DataView;
/* Built-in method references that are verified to be native. */
var Promise$1 = _getNative(_root, 'Promise');
var _Promise = Promise$1;
/* Built-in method references that are verified to be native. */
var Set = _getNative(_root, 'Set');
var _Set = Set;
/* Built-in method references that are verified to be native. */
var WeakMap = _getNative(_root, 'WeakMap');
var _WeakMap = WeakMap;
/** `Object#toString` result references. */
var mapTag$1 = '[object Map]',
objectTag$1 = '[object Object]',
promiseTag = '[object Promise]',
setTag$1 = '[object Set]',
weakMapTag$1 = '[object WeakMap]';
var dataViewTag$1 = '[object DataView]';
/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = _toSource(_DataView),
mapCtorString = _toSource(_Map),
promiseCtorString = _toSource(_Promise),
setCtorString = _toSource(_Set),
weakMapCtorString = _toSource(_WeakMap);
/**
* Gets the `toStringTag` of `value`.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
var getTag = _baseGetTag;
// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((_DataView && getTag(new _DataView(new ArrayBuffer(1))) != dataViewTag$1) ||
(_Map && getTag(new _Map) != mapTag$1) ||
(_Promise && getTag(_Promise.resolve()) != promiseTag) ||
(_Set && getTag(new _Set) != setTag$1) ||
(_WeakMap && getTag(new _WeakMap) != weakMapTag$1)) {
getTag = function(value) {
var result = _baseGetTag(value),
Ctor = result == objectTag$1 ? value.constructor : undefined,
ctorString = Ctor ? _toSource(Ctor) : '';
if (ctorString) {
switch (ctorString) {
case dataViewCtorString: return dataViewTag$1;
case mapCtorString: return mapTag$1;
case promiseCtorString: return promiseTag;
case setCtorString: return setTag$1;
case weakMapCtorString: return weakMapTag$1;
}
}
return result;
};
}
var _getTag = getTag;
/** Used for built-in method references. */
var objectProto$c = Object.prototype;
/** Used to check objects for own properties. */
var hasOwnProperty$9 = objectProto$c.hasOwnProperty;
/**
* Initializes an array clone.
*
* @private
* @param {Array} array The array to clone.
* @returns {Array} Returns the initialized clone.
*/
function initCloneArray(array) {
var length = array.length,
result = new array.constructor(length);
// Add properties assigned by `RegExp#exec`.
if (length && typeof array[0] == 'string' && hasOwnProperty$9.call(array, 'index')) {
result.index = array.index;
result.input = array.input;
}
return result;
}
var _initCloneArray = initCloneArray;
/** Built-in value references. */
var Uint8Array$1 = _root.Uint8Array;
var _Uint8Array = Uint8Array$1;
/**
* Creates a clone of `arrayBuffer`.
*
* @private
* @param {ArrayBuffer} arrayBuffer The array buffer to clone.
* @returns {ArrayBuffer} Returns the cloned array buffer.
*/
function cloneArrayBuffer(arrayBuffer) {
var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
new _Uint8Array(result).set(new _Uint8Array(arrayBuffer));
return result;
}
var _cloneArrayBuffer = cloneArrayBuffer;
/**
* Creates a clone of `dataView`.
*
* @private
* @param {Object} dataView The data view to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned data view.
*/
function cloneDataView(dataView, isDeep) {
var buffer = isDeep ? _cloneArrayBuffer(dataView.buffer) : dataView.buffer;
return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
}
var _cloneDataView = cloneDataView;
/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;
/**
* Creates a clone of `regexp`.
*
* @private
* @param {Object} regexp The regexp to clone.
* @returns {Object} Returns the cloned regexp.
*/
function cloneRegExp(regexp) {
var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
result.lastIndex = regexp.lastIndex;
return result;
}
var _cloneRegExp = cloneRegExp;
/** Used to convert symbols to primitives and strings. */
var symbolProto = _Symbol ? _Symbol.prototype : undefined,
symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;
/**
* Creates a clone of the `symbol` object.
*
* @private
* @param {Object} symbol The symbol object to clone.
* @returns {Object} Returns the cloned symbol object.
*/
function cloneSymbol(symbol) {
return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
}
var _cloneSymbol = cloneSymbol;
/**
* Creates a clone of `typedArray`.
*
* @private
* @param {Object} typedArray The typed array to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned typed array.
*/
function cloneTypedArray(typedArray, isDeep) {
var buffer = isDeep ? _cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
}
var _cloneTypedArray = cloneTypedArray;
/** `Object#toString` result references. */
var boolTag$1 = '[object Boolean]',
dateTag$1 = '[object Date]',
mapTag$2 = '[object Map]',
numberTag$1 = '[object Number]',
regexpTag$1 = '[object RegExp]',
setTag$2 = '[object Set]',
stringTag$1 = '[object String]',
symbolTag = '[object Symbol]';
var arrayBufferTag$1 = '[object ArrayBuffer]',
dataViewTag$2 = '[object DataView]',
float32Tag$1 = '[object Float32Array]',
float64Tag$1 = '[object Float64Array]',
int8Tag$1 = '[object Int8Array]',
int16Tag$1 = '[object Int16Array]',
int32Tag$1 = '[object Int32Array]',
uint8Tag$1 = '[object Uint8Array]',
uint8ClampedTag$1 = '[object Uint8ClampedArray]',
uint16Tag$1 = '[object Uint16Array]',
uint32Tag$1 = '[object Uint32Array]';
/**
* Initializes an object clone based on its `toStringTag`.
*
* **Note:** This function only supports cloning values with tags of
* `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
*
* @private
* @param {Object} object The object to clone.
* @param {string} tag The `toStringTag` of the object to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the initialized clone.
*/
function initCloneByTag(object, tag, isDeep) {
var Ctor = object.constructor;
switch (tag) {
case arrayBufferTag$1:
return _cloneArrayBuffer(object);
case boolTag$1:
case dateTag$1:
return new Ctor(+object);
case dataViewTag$2:
return _cloneDataView(object, isDeep);
case float32Tag$1: case float64Tag$1:
case int8Tag$1: case int16Tag$1: case int32Tag$1:
case uint8Tag$1: case uint8ClampedTag$1: case uint16Tag$1: case uint32Tag$1:
return _cloneTypedArray(object, isDeep);
case mapTag$2:
return new Ctor;
case numberTag$1:
case stringTag$1:
return new Ctor(object);
case regexpTag$1:
return _cloneRegExp(object);
case setTag$2:
return new Ctor;
case symbolTag:
return _cloneSymbol(object);
}
}
var _initCloneByTag = initCloneByTag;
/** Built-in value references. */
var objectCreate = Object.create;
/**
* The base implementation of `_.create` without support for assigning
* properties to the created object.
*
* @private
* @param {Object} proto The object to inherit from.
* @returns {Object} Returns the new object.
*/
var baseCreate = (function() {
function object() {}
return function(proto) {
if (!isObject_1(proto)) {
return {};
}
if (objectCreate) {
return objectCreate(proto);
}
object.prototype = proto;
var result = new object;
object.prototype = undefined;
return result;
};
}());
var _baseCreate = baseCreate;
/**
* Initializes an object clone.
*
* @private
* @param {Object} object The object to clone.
* @returns {Object} Returns the initialized clone.
*/
function initCloneObject(object) {
return (typeof object.constructor == 'function' && !_isPrototype(object))
? _baseCreate(_getPrototype(object))
: {};
}
var _initCloneObject = initCloneObject;
/** `Object#toString` result references. */
var mapTag$3 = '[object Map]';
/**
* The base implementation of `_.isMap` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a map, else `false`.
*/
function baseIsMap(value) {
return isObjectLike_1(value) && _getTag(value) == mapTag$3;
}
var _baseIsMap = baseIsMap;
/* Node.js helper references. */
var nodeIsMap = _nodeUtil && _nodeUtil.isMap;
/**
* Checks if `value` is classified as a `Map` object.
*
* @static
* @memberOf _
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a map, else `false`.
* @example
*
* _.isMap(new Map);
* // => true
*
* _.isMap(new WeakMap);
* // => false
*/
var isMap = nodeIsMap ? _baseUnary(nodeIsMap) : _baseIsMap;
var isMap_1 = isMap;
/** `Object#toString` result references. */
var setTag$3 = '[object Set]';
/**
* The base implementation of `_.isSet` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a set, else `false`.
*/
function baseIsSet(value) {
return isObjectLike_1(value) && _getTag(value) == setTag$3;
}
var _baseIsSet = baseIsSet;
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