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@@ -0,0 +1,2366 @@
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+/**
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+ * lodash (Custom Build) <https://lodash.com/>
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+ * Build: `lodash modularize exports="npm" -o ./`
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+ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
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+ * Released under MIT license <https://lodash.com/license>
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+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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+ */
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+
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+/** Used as the size to enable large array optimizations. */
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+var LARGE_ARRAY_SIZE = 200;
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+
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+/** Used as the `TypeError` message for "Functions" methods. */
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+var FUNC_ERROR_TEXT = 'Expected a function';
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+
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+/** Used to stand-in for `undefined` hash values. */
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+var HASH_UNDEFINED = '__lodash_hash_undefined__';
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+
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+/** Used to compose bitmasks for comparison styles. */
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+var UNORDERED_COMPARE_FLAG = 1,
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+ PARTIAL_COMPARE_FLAG = 2;
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+
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+/** Used as references for various `Number` constants. */
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+var INFINITY = 1 / 0,
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+ MAX_SAFE_INTEGER = 9007199254740991;
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+
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+/** `Object#toString` result references. */
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+var argsTag = '[object Arguments]',
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+ arrayTag = '[object Array]',
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+ boolTag = '[object Boolean]',
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+ dateTag = '[object Date]',
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+ errorTag = '[object Error]',
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+ funcTag = '[object Function]',
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+ genTag = '[object GeneratorFunction]',
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+ mapTag = '[object Map]',
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+ numberTag = '[object Number]',
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+ objectTag = '[object Object]',
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+ promiseTag = '[object Promise]',
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+ regexpTag = '[object RegExp]',
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+ setTag = '[object Set]',
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+ stringTag = '[object String]',
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+ symbolTag = '[object Symbol]',
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+ weakMapTag = '[object WeakMap]';
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+
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+var arrayBufferTag = '[object ArrayBuffer]',
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+ dataViewTag = '[object DataView]',
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+ float32Tag = '[object Float32Array]',
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+ float64Tag = '[object Float64Array]',
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+ int8Tag = '[object Int8Array]',
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+ int16Tag = '[object Int16Array]',
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+ int32Tag = '[object Int32Array]',
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+ uint8Tag = '[object Uint8Array]',
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+ uint8ClampedTag = '[object Uint8ClampedArray]',
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+ uint16Tag = '[object Uint16Array]',
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+ uint32Tag = '[object Uint32Array]';
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+
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+/** Used to match property names within property paths. */
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+var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
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+ reIsPlainProp = /^\w*$/,
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+ reLeadingDot = /^\./,
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+ rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
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+
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+/**
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+ * Used to match `RegExp`
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+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
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+ */
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+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
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+
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+/** Used to match backslashes in property paths. */
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+var reEscapeChar = /\\(\\)?/g;
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+
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+/** Used to detect host constructors (Safari). */
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+var reIsHostCtor = /^\[object .+?Constructor\]$/;
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+
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+/** Used to detect unsigned integer values. */
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+var reIsUint = /^(?:0|[1-9]\d*)$/;
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+
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+/** Used to identify `toStringTag` values of typed arrays. */
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+var typedArrayTags = {};
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+typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
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+typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
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+typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
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+typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
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+typedArrayTags[uint32Tag] = true;
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+typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
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+typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
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+typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
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+typedArrayTags[errorTag] = typedArrayTags[funcTag] =
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+typedArrayTags[mapTag] = typedArrayTags[numberTag] =
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+typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
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+typedArrayTags[setTag] = typedArrayTags[stringTag] =
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+typedArrayTags[weakMapTag] = false;
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+
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+/** Detect free variable `global` from Node.js. */
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+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
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+
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+/** Detect free variable `self`. */
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+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
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+
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+/** Used as a reference to the global object. */
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+var root = freeGlobal || freeSelf || Function('return this')();
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+
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+/** Detect free variable `exports`. */
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+var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
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+
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+/** Detect free variable `module`. */
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+var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
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+
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+/** Detect the popular CommonJS extension `module.exports`. */
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+var moduleExports = freeModule && freeModule.exports === freeExports;
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+
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+/** Detect free variable `process` from Node.js. */
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+var freeProcess = moduleExports && freeGlobal.process;
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+
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+/** Used to access faster Node.js helpers. */
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+var nodeUtil = (function() {
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+ try {
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+ return freeProcess && freeProcess.binding('util');
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+ } catch (e) {}
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+}());
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+
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+/* Node.js helper references. */
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+var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
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+
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+/**
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+ * A specialized version of `_.map` for arrays without support for iteratee
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+ * shorthands.
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+ *
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+ * @private
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+ * @param {Array} [array] The array to iterate over.
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+ * @param {Function} iteratee The function invoked per iteration.
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+ * @returns {Array} Returns the new mapped array.
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+ */
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+function arrayMap(array, iteratee) {
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+ var index = -1,
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+ length = array ? array.length : 0,
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+ result = Array(length);
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+
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+ while (++index < length) {
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+ result[index] = iteratee(array[index], index, array);
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+ }
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+ return result;
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+}
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+
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+/**
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+ * A specialized version of `_.some` for arrays without support for iteratee
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+ * shorthands.
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+ *
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+ * @private
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+ * @param {Array} [array] The array to iterate over.
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+ * @param {Function} predicate The function invoked per iteration.
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+ * @returns {boolean} Returns `true` if any element passes the predicate check,
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+ * else `false`.
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+ */
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+function arraySome(array, predicate) {
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+ var index = -1,
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+ length = array ? array.length : 0;
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+
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+ while (++index < length) {
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+ if (predicate(array[index], index, array)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+}
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+
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+/**
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+ * The base implementation of `_.property` without support for deep paths.
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+ *
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+ * @private
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+ * @param {string} key The key of the property to get.
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+ * @returns {Function} Returns the new accessor function.
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+ */
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+function baseProperty(key) {
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+ return function(object) {
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+ return object == null ? undefined : object[key];
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+ };
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+}
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+
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+/**
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+ * The base implementation of `_.times` without support for iteratee shorthands
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+ * or max array length checks.
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+ *
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+ * @private
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+ * @param {number} n The number of times to invoke `iteratee`.
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+ * @param {Function} iteratee The function invoked per iteration.
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+ * @returns {Array} Returns the array of results.
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+ */
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+function baseTimes(n, iteratee) {
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+ var index = -1,
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+ result = Array(n);
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+
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+ while (++index < n) {
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+ result[index] = iteratee(index);
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+ }
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+ return result;
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+}
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+
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+/**
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+ * The base implementation of `_.unary` without support for storing metadata.
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+ *
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+ * @private
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+ * @param {Function} func The function to cap arguments for.
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+ * @returns {Function} Returns the new capped function.
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+ */
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+function baseUnary(func) {
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+ return function(value) {
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+ return func(value);
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+ };
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+}
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+
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+/**
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+ * Gets the value at `key` of `object`.
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+ *
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+ * @private
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+ * @param {Object} [object] The object to query.
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+ * @param {string} key The key of the property to get.
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+ * @returns {*} Returns the property value.
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+ */
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+function getValue(object, key) {
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+ return object == null ? undefined : object[key];
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+}
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+
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+/**
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+ * Checks if `value` is a host object in IE < 9.
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+ *
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+ * @private
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+ * @param {*} value The value to check.
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+ * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
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+ */
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+function isHostObject(value) {
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+ // Many host objects are `Object` objects that can coerce to strings
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+ // despite having improperly defined `toString` methods.
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+ var result = false;
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+ if (value != null && typeof value.toString != 'function') {
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+ try {
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+ result = !!(value + '');
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+ } catch (e) {}
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+ }
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+ return result;
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+}
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+
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+/**
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+ * Converts `map` to its key-value pairs.
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+ *
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+ * @private
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+ * @param {Object} map The map to convert.
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+ * @returns {Array} Returns the key-value pairs.
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+ */
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+function mapToArray(map) {
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+ var index = -1,
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+ result = Array(map.size);
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+
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+ map.forEach(function(value, key) {
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+ result[++index] = [key, value];
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+ });
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+ return result;
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+}
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+
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+/**
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+ * Creates a unary function that invokes `func` with its argument transformed.
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+ *
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+ * @private
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+ * @param {Function} func The function to wrap.
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+ * @param {Function} transform The argument transform.
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+ * @returns {Function} Returns the new function.
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+ */
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+function overArg(func, transform) {
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+ return function(arg) {
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+ return func(transform(arg));
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+ };
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+}
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+
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+/**
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+ * Converts `set` to an array of its values.
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+ *
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+ * @private
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+ * @param {Object} set The set to convert.
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+ * @returns {Array} Returns the values.
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+ */
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+function setToArray(set) {
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+ var index = -1,
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+ result = Array(set.size);
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+
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+ set.forEach(function(value) {
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+ result[++index] = value;
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+ });
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+ return result;
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+}
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+
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+/** Used for built-in method references. */
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+var arrayProto = Array.prototype,
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+ funcProto = Function.prototype,
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+ objectProto = Object.prototype;
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+
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+/** Used to detect overreaching core-js shims. */
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+var coreJsData = root['__core-js_shared__'];
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+
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+/** Used to detect methods masquerading as native. */
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+var maskSrcKey = (function() {
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+ var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
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+ return uid ? ('Symbol(src)_1.' + uid) : '';
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+}());
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+
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+/** Used to resolve the decompiled source of functions. */
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+var funcToString = funcProto.toString;
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+
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+/** Used to check objects for own properties. */
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+var hasOwnProperty = objectProto.hasOwnProperty;
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+
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+/**
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+ * Used to resolve the
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+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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+ * of values.
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+ */
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+var objectToString = objectProto.toString;
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+
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+/** Used to detect if a method is native. */
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+var reIsNative = RegExp('^' +
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+ funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
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+ .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
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+);
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+
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+/** Built-in value references. */
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+var Symbol = root.Symbol,
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+ Uint8Array = root.Uint8Array,
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+ propertyIsEnumerable = objectProto.propertyIsEnumerable,
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+ splice = arrayProto.splice;
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+
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+/* Built-in method references for those with the same name as other `lodash` methods. */
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+var nativeKeys = overArg(Object.keys, Object);
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+
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+/* Built-in method references that are verified to be native. */
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+var DataView = getNative(root, 'DataView'),
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+ Map = getNative(root, 'Map'),
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+ Promise = getNative(root, 'Promise'),
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+ Set = getNative(root, 'Set'),
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+ WeakMap = getNative(root, 'WeakMap'),
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+ nativeCreate = getNative(Object, 'create');
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+
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+/** Used to detect maps, sets, and weakmaps. */
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+var dataViewCtorString = toSource(DataView),
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+ mapCtorString = toSource(Map),
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+ promiseCtorString = toSource(Promise),
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+ setCtorString = toSource(Set),
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+ weakMapCtorString = toSource(WeakMap);
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+
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+/** Used to convert symbols to primitives and strings. */
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+var symbolProto = Symbol ? Symbol.prototype : undefined,
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+ symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
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+ symbolToString = symbolProto ? symbolProto.toString : undefined;
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+
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+/**
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+ * Creates a hash object.
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+ *
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+ * @private
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+ * @constructor
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+ * @param {Array} [entries] The key-value pairs to cache.
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+ */
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+function Hash(entries) {
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+ var index = -1,
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+ length = entries ? entries.length : 0;
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+
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+ this.clear();
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+ while (++index < length) {
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+ var entry = entries[index];
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+ this.set(entry[0], entry[1]);
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+ }
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+}
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+
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+/**
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+ * Removes all key-value entries from the hash.
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+ *
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+ * @private
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+ * @name clear
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+ * @memberOf Hash
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+ */
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+function hashClear() {
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+ this.__data__ = nativeCreate ? nativeCreate(null) : {};
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+}
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+
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+/**
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+ * Removes `key` and its value from the hash.
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+ *
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+ * @private
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+ * @name delete
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+ * @memberOf Hash
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+ * @param {Object} hash The hash to modify.
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+ * @param {string} key The key of the value to remove.
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+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
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+ */
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+function hashDelete(key) {
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+ return this.has(key) && delete this.__data__[key];
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+}
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+
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+/**
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+ * Gets the hash value for `key`.
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+ *
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+ * @private
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+ * @name get
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+ * @memberOf Hash
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+ * @param {string} key The key of the value to get.
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+ * @returns {*} Returns the entry value.
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+ */
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+function hashGet(key) {
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+ var data = this.__data__;
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+ if (nativeCreate) {
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+ var result = data[key];
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+ return result === HASH_UNDEFINED ? undefined : result;
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+ }
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+ return hasOwnProperty.call(data, key) ? data[key] : undefined;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if a hash value for `key` exists.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name has
|
|
|
+ * @memberOf Hash
|
|
|
+ * @param {string} key The key of the entry to check.
|
|
|
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
|
|
|
+ */
|
|
|
+function hashHas(key) {
|
|
|
+ var data = this.__data__;
|
|
|
+ return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Sets the hash `key` to `value`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name set
|
|
|
+ * @memberOf Hash
|
|
|
+ * @param {string} key The key of the value to set.
|
|
|
+ * @param {*} value The value to set.
|
|
|
+ * @returns {Object} Returns the hash instance.
|
|
|
+ */
|
|
|
+function hashSet(key, value) {
|
|
|
+ var data = this.__data__;
|
|
|
+ data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+// Add methods to `Hash`.
|
|
|
+Hash.prototype.clear = hashClear;
|
|
|
+Hash.prototype['delete'] = hashDelete;
|
|
|
+Hash.prototype.get = hashGet;
|
|
|
+Hash.prototype.has = hashHas;
|
|
|
+Hash.prototype.set = hashSet;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates an list cache object.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @constructor
|
|
|
+ * @param {Array} [entries] The key-value pairs to cache.
|
|
|
+ */
|
|
|
+function ListCache(entries) {
|
|
|
+ var index = -1,
|
|
|
+ length = entries ? entries.length : 0;
|
|
|
+
|
|
|
+ this.clear();
|
|
|
+ while (++index < length) {
|
|
|
+ var entry = entries[index];
|
|
|
+ this.set(entry[0], entry[1]);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Removes all key-value entries from the list cache.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name clear
|
|
|
+ * @memberOf ListCache
|
|
|
+ */
|
|
|
+function listCacheClear() {
|
|
|
+ this.__data__ = [];
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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);
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the list cache value for `key`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name get
|
|
|
+ * @memberOf ListCache
|
|
|
+ * @param {string} key The key of the value to get.
|
|
|
+ * @returns {*} Returns the entry value.
|
|
|
+ */
|
|
|
+function listCacheGet(key) {
|
|
|
+ var data = this.__data__,
|
|
|
+ index = assocIndexOf(data, key);
|
|
|
+
|
|
|
+ return index < 0 ? undefined : data[index][1];
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if a list cache value for `key` exists.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name has
|
|
|
+ * @memberOf ListCache
|
|
|
+ * @param {string} key The key of the entry to check.
|
|
|
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
|
|
|
+ */
|
|
|
+function listCacheHas(key) {
|
|
|
+ return assocIndexOf(this.__data__, key) > -1;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Sets the list cache `key` to `value`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name set
|
|
|
+ * @memberOf ListCache
|
|
|
+ * @param {string} key The key of the value to set.
|
|
|
+ * @param {*} value The value to set.
|
|
|
+ * @returns {Object} Returns the list cache instance.
|
|
|
+ */
|
|
|
+function listCacheSet(key, value) {
|
|
|
+ var data = this.__data__,
|
|
|
+ index = assocIndexOf(data, key);
|
|
|
+
|
|
|
+ if (index < 0) {
|
|
|
+ data.push([key, value]);
|
|
|
+ } else {
|
|
|
+ data[index][1] = value;
|
|
|
+ }
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+// Add methods to `ListCache`.
|
|
|
+ListCache.prototype.clear = listCacheClear;
|
|
|
+ListCache.prototype['delete'] = listCacheDelete;
|
|
|
+ListCache.prototype.get = listCacheGet;
|
|
|
+ListCache.prototype.has = listCacheHas;
|
|
|
+ListCache.prototype.set = listCacheSet;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a map cache object to store key-value pairs.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @constructor
|
|
|
+ * @param {Array} [entries] The key-value pairs to cache.
|
|
|
+ */
|
|
|
+function MapCache(entries) {
|
|
|
+ var index = -1,
|
|
|
+ length = entries ? entries.length : 0;
|
|
|
+
|
|
|
+ this.clear();
|
|
|
+ while (++index < length) {
|
|
|
+ var entry = entries[index];
|
|
|
+ this.set(entry[0], entry[1]);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Removes all key-value entries from the map.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name clear
|
|
|
+ * @memberOf MapCache
|
|
|
+ */
|
|
|
+function mapCacheClear() {
|
|
|
+ this.__data__ = {
|
|
|
+ 'hash': new Hash,
|
|
|
+ 'map': new (Map || ListCache),
|
|
|
+ 'string': new Hash
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Removes `key` and its value from the map.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name delete
|
|
|
+ * @memberOf MapCache
|
|
|
+ * @param {string} key The key of the value to remove.
|
|
|
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
|
|
|
+ */
|
|
|
+function mapCacheDelete(key) {
|
|
|
+ return getMapData(this, key)['delete'](key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the map value for `key`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name get
|
|
|
+ * @memberOf MapCache
|
|
|
+ * @param {string} key The key of the value to get.
|
|
|
+ * @returns {*} Returns the entry value.
|
|
|
+ */
|
|
|
+function mapCacheGet(key) {
|
|
|
+ return getMapData(this, key).get(key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if a map value for `key` exists.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name has
|
|
|
+ * @memberOf MapCache
|
|
|
+ * @param {string} key The key of the entry to check.
|
|
|
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
|
|
|
+ */
|
|
|
+function mapCacheHas(key) {
|
|
|
+ return getMapData(this, key).has(key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Sets the map `key` to `value`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name set
|
|
|
+ * @memberOf MapCache
|
|
|
+ * @param {string} key The key of the value to set.
|
|
|
+ * @param {*} value The value to set.
|
|
|
+ * @returns {Object} Returns the map cache instance.
|
|
|
+ */
|
|
|
+function mapCacheSet(key, value) {
|
|
|
+ getMapData(this, key).set(key, value);
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+// Add methods to `MapCache`.
|
|
|
+MapCache.prototype.clear = mapCacheClear;
|
|
|
+MapCache.prototype['delete'] = mapCacheDelete;
|
|
|
+MapCache.prototype.get = mapCacheGet;
|
|
|
+MapCache.prototype.has = mapCacheHas;
|
|
|
+MapCache.prototype.set = mapCacheSet;
|
|
|
+
|
|
|
+/**
|
|
|
+ *
|
|
|
+ * Creates an array cache object to store unique values.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @constructor
|
|
|
+ * @param {Array} [values] The values to cache.
|
|
|
+ */
|
|
|
+function SetCache(values) {
|
|
|
+ var index = -1,
|
|
|
+ length = values ? values.length : 0;
|
|
|
+
|
|
|
+ this.__data__ = new MapCache;
|
|
|
+ while (++index < length) {
|
|
|
+ this.add(values[index]);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Adds `value` to the array cache.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name add
|
|
|
+ * @memberOf SetCache
|
|
|
+ * @alias push
|
|
|
+ * @param {*} value The value to cache.
|
|
|
+ * @returns {Object} Returns the cache instance.
|
|
|
+ */
|
|
|
+function setCacheAdd(value) {
|
|
|
+ this.__data__.set(value, HASH_UNDEFINED);
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is in the array cache.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name has
|
|
|
+ * @memberOf SetCache
|
|
|
+ * @param {*} value The value to search for.
|
|
|
+ * @returns {number} Returns `true` if `value` is found, else `false`.
|
|
|
+ */
|
|
|
+function setCacheHas(value) {
|
|
|
+ return this.__data__.has(value);
|
|
|
+}
|
|
|
+
|
|
|
+// Add methods to `SetCache`.
|
|
|
+SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
|
|
|
+SetCache.prototype.has = setCacheHas;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a stack cache object to store key-value pairs.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @constructor
|
|
|
+ * @param {Array} [entries] The key-value pairs to cache.
|
|
|
+ */
|
|
|
+function Stack(entries) {
|
|
|
+ this.__data__ = new ListCache(entries);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Removes all key-value entries from the stack.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name clear
|
|
|
+ * @memberOf Stack
|
|
|
+ */
|
|
|
+function stackClear() {
|
|
|
+ this.__data__ = new ListCache;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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) {
|
|
|
+ return this.__data__['delete'](key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the stack value for `key`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name get
|
|
|
+ * @memberOf Stack
|
|
|
+ * @param {string} key The key of the value to get.
|
|
|
+ * @returns {*} Returns the entry value.
|
|
|
+ */
|
|
|
+function stackGet(key) {
|
|
|
+ return this.__data__.get(key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if a stack value for `key` exists.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name has
|
|
|
+ * @memberOf Stack
|
|
|
+ * @param {string} key The key of the entry to check.
|
|
|
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
|
|
|
+ */
|
|
|
+function stackHas(key) {
|
|
|
+ return this.__data__.has(key);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Sets the stack `key` to `value`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @name set
|
|
|
+ * @memberOf Stack
|
|
|
+ * @param {string} key The key of the value to set.
|
|
|
+ * @param {*} value The value to set.
|
|
|
+ * @returns {Object} Returns the stack cache instance.
|
|
|
+ */
|
|
|
+function stackSet(key, value) {
|
|
|
+ var cache = this.__data__;
|
|
|
+ if (cache instanceof ListCache) {
|
|
|
+ var pairs = cache.__data__;
|
|
|
+ if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
|
|
|
+ pairs.push([key, value]);
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+ cache = this.__data__ = new MapCache(pairs);
|
|
|
+ }
|
|
|
+ cache.set(key, value);
|
|
|
+ return this;
|
|
|
+}
|
|
|
+
|
|
|
+// Add methods to `Stack`.
|
|
|
+Stack.prototype.clear = stackClear;
|
|
|
+Stack.prototype['delete'] = stackDelete;
|
|
|
+Stack.prototype.get = stackGet;
|
|
|
+Stack.prototype.has = stackHas;
|
|
|
+Stack.prototype.set = stackSet;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates an array of the enumerable property names of the array-like `value`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to query.
|
|
|
+ * @param {boolean} inherited Specify returning inherited property names.
|
|
|
+ * @returns {Array} Returns the array of property names.
|
|
|
+ */
|
|
|
+function arrayLikeKeys(value, inherited) {
|
|
|
+ // Safari 8.1 makes `arguments.callee` enumerable in strict mode.
|
|
|
+ // Safari 9 makes `arguments.length` enumerable in strict mode.
|
|
|
+ var result = (isArray(value) || isArguments(value))
|
|
|
+ ? baseTimes(value.length, String)
|
|
|
+ : [];
|
|
|
+
|
|
|
+ var length = result.length,
|
|
|
+ skipIndexes = !!length;
|
|
|
+
|
|
|
+ for (var key in value) {
|
|
|
+ if ((inherited || hasOwnProperty.call(value, key)) &&
|
|
|
+ !(skipIndexes && (key == 'length' || isIndex(key, length)))) {
|
|
|
+ result.push(key);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the index at which the `key` is found in `array` of key-value pairs.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Array} array The array to inspect.
|
|
|
+ * @param {*} key The key to search for.
|
|
|
+ * @returns {number} Returns the index of the matched value, else `-1`.
|
|
|
+ */
|
|
|
+function assocIndexOf(array, key) {
|
|
|
+ var length = array.length;
|
|
|
+ while (length--) {
|
|
|
+ if (eq(array[length][0], key)) {
|
|
|
+ return length;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.forEach` without support for iteratee shorthands.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Array|Object} collection The collection to iterate over.
|
|
|
+ * @param {Function} iteratee The function invoked per iteration.
|
|
|
+ * @returns {Array|Object} Returns `collection`.
|
|
|
+ */
|
|
|
+var baseEach = createBaseEach(baseForOwn);
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `baseForOwn` which iterates over `object`
|
|
|
+ * properties returned by `keysFunc` and invokes `iteratee` for each property.
|
|
|
+ * Iteratee functions may exit iteration early by explicitly returning `false`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to iterate over.
|
|
|
+ * @param {Function} iteratee The function invoked per iteration.
|
|
|
+ * @param {Function} keysFunc The function to get the keys of `object`.
|
|
|
+ * @returns {Object} Returns `object`.
|
|
|
+ */
|
|
|
+var baseFor = createBaseFor();
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.forOwn` without support for iteratee shorthands.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to iterate over.
|
|
|
+ * @param {Function} iteratee The function invoked per iteration.
|
|
|
+ * @returns {Object} Returns `object`.
|
|
|
+ */
|
|
|
+function baseForOwn(object, iteratee) {
|
|
|
+ return object && baseFor(object, iteratee, keys);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.get` without support for default values.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @param {Array|string} path The path of the property to get.
|
|
|
+ * @returns {*} Returns the resolved value.
|
|
|
+ */
|
|
|
+function baseGet(object, path) {
|
|
|
+ path = isKey(path, object) ? [path] : castPath(path);
|
|
|
+
|
|
|
+ var index = 0,
|
|
|
+ length = path.length;
|
|
|
+
|
|
|
+ while (object != null && index < length) {
|
|
|
+ object = object[toKey(path[index++])];
|
|
|
+ }
|
|
|
+ return (index && index == length) ? object : undefined;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `getTag`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to query.
|
|
|
+ * @returns {string} Returns the `toStringTag`.
|
|
|
+ */
|
|
|
+function baseGetTag(value) {
|
|
|
+ return objectToString.call(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.hasIn` without support for deep paths.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} [object] The object to query.
|
|
|
+ * @param {Array|string} key The key to check.
|
|
|
+ * @returns {boolean} Returns `true` if `key` exists, else `false`.
|
|
|
+ */
|
|
|
+function baseHasIn(object, key) {
|
|
|
+ return object != null && key in Object(object);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.isEqual` which supports partial comparisons
|
|
|
+ * and tracks traversed objects.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to compare.
|
|
|
+ * @param {*} other The other value to compare.
|
|
|
+ * @param {Function} [customizer] The function to customize comparisons.
|
|
|
+ * @param {boolean} [bitmask] The bitmask of comparison flags.
|
|
|
+ * The bitmask may be composed of the following flags:
|
|
|
+ * 1 - Unordered comparison
|
|
|
+ * 2 - Partial comparison
|
|
|
+ * @param {Object} [stack] Tracks traversed `value` and `other` objects.
|
|
|
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
|
|
|
+ */
|
|
|
+function baseIsEqual(value, other, customizer, bitmask, stack) {
|
|
|
+ if (value === other) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
|
|
|
+ return value !== value && other !== other;
|
|
|
+ }
|
|
|
+ return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `baseIsEqual` for arrays and objects which performs
|
|
|
+ * deep comparisons and tracks traversed objects enabling objects with circular
|
|
|
+ * references to be compared.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to compare.
|
|
|
+ * @param {Object} other The other object to compare.
|
|
|
+ * @param {Function} equalFunc The function to determine equivalents of values.
|
|
|
+ * @param {Function} [customizer] The function to customize comparisons.
|
|
|
+ * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
|
|
|
+ * for more details.
|
|
|
+ * @param {Object} [stack] Tracks traversed `object` and `other` objects.
|
|
|
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
|
|
|
+ */
|
|
|
+function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
|
|
|
+ var objIsArr = isArray(object),
|
|
|
+ othIsArr = isArray(other),
|
|
|
+ objTag = arrayTag,
|
|
|
+ othTag = arrayTag;
|
|
|
+
|
|
|
+ if (!objIsArr) {
|
|
|
+ objTag = getTag(object);
|
|
|
+ objTag = objTag == argsTag ? objectTag : objTag;
|
|
|
+ }
|
|
|
+ if (!othIsArr) {
|
|
|
+ othTag = getTag(other);
|
|
|
+ othTag = othTag == argsTag ? objectTag : othTag;
|
|
|
+ }
|
|
|
+ var objIsObj = objTag == objectTag && !isHostObject(object),
|
|
|
+ othIsObj = othTag == objectTag && !isHostObject(other),
|
|
|
+ isSameTag = objTag == othTag;
|
|
|
+
|
|
|
+ if (isSameTag && !objIsObj) {
|
|
|
+ stack || (stack = new Stack);
|
|
|
+ return (objIsArr || isTypedArray(object))
|
|
|
+ ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
|
|
|
+ : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
|
|
|
+ }
|
|
|
+ if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
|
|
|
+ var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
|
|
|
+ othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
|
|
|
+
|
|
|
+ if (objIsWrapped || othIsWrapped) {
|
|
|
+ var objUnwrapped = objIsWrapped ? object.value() : object,
|
|
|
+ othUnwrapped = othIsWrapped ? other.value() : other;
|
|
|
+
|
|
|
+ stack || (stack = new Stack);
|
|
|
+ return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!isSameTag) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ stack || (stack = new Stack);
|
|
|
+ return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.isMatch` without support for iteratee shorthands.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to inspect.
|
|
|
+ * @param {Object} source The object of property values to match.
|
|
|
+ * @param {Array} matchData The property names, values, and compare flags to match.
|
|
|
+ * @param {Function} [customizer] The function to customize comparisons.
|
|
|
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
|
|
|
+ */
|
|
|
+function baseIsMatch(object, source, matchData, customizer) {
|
|
|
+ var index = matchData.length,
|
|
|
+ length = index,
|
|
|
+ noCustomizer = !customizer;
|
|
|
+
|
|
|
+ if (object == null) {
|
|
|
+ return !length;
|
|
|
+ }
|
|
|
+ object = Object(object);
|
|
|
+ while (index--) {
|
|
|
+ var data = matchData[index];
|
|
|
+ if ((noCustomizer && data[2])
|
|
|
+ ? data[1] !== object[data[0]]
|
|
|
+ : !(data[0] in object)
|
|
|
+ ) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ while (++index < length) {
|
|
|
+ data = matchData[index];
|
|
|
+ var key = data[0],
|
|
|
+ objValue = object[key],
|
|
|
+ srcValue = data[1];
|
|
|
+
|
|
|
+ if (noCustomizer && data[2]) {
|
|
|
+ if (objValue === undefined && !(key in object)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ var stack = new Stack;
|
|
|
+ if (customizer) {
|
|
|
+ var result = customizer(objValue, srcValue, key, object, source, stack);
|
|
|
+ }
|
|
|
+ if (!(result === undefined
|
|
|
+ ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
|
|
|
+ : result
|
|
|
+ )) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.isNative` without bad shim checks.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a native function,
|
|
|
+ * else `false`.
|
|
|
+ */
|
|
|
+function baseIsNative(value) {
|
|
|
+ if (!isObject(value) || isMasked(value)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
|
|
|
+ return pattern.test(toSource(value));
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.isTypedArray` without Node.js optimizations.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
|
|
|
+ */
|
|
|
+function baseIsTypedArray(value) {
|
|
|
+ return isObjectLike(value) &&
|
|
|
+ isLength(value.length) && !!typedArrayTags[objectToString.call(value)];
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.iteratee`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} [value=_.identity] The value to convert to an iteratee.
|
|
|
+ * @returns {Function} Returns the iteratee.
|
|
|
+ */
|
|
|
+function baseIteratee(value) {
|
|
|
+ // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
|
|
|
+ // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
|
|
|
+ if (typeof value == 'function') {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+ if (value == null) {
|
|
|
+ return identity;
|
|
|
+ }
|
|
|
+ if (typeof value == 'object') {
|
|
|
+ return isArray(value)
|
|
|
+ ? baseMatchesProperty(value[0], value[1])
|
|
|
+ : baseMatches(value);
|
|
|
+ }
|
|
|
+ return property(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @returns {Array} Returns the array of property names.
|
|
|
+ */
|
|
|
+function baseKeys(object) {
|
|
|
+ if (!isPrototype(object)) {
|
|
|
+ return nativeKeys(object);
|
|
|
+ }
|
|
|
+ var result = [];
|
|
|
+ for (var key in Object(object)) {
|
|
|
+ if (hasOwnProperty.call(object, key) && key != 'constructor') {
|
|
|
+ result.push(key);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.map` without support for iteratee shorthands.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Array|Object} collection The collection to iterate over.
|
|
|
+ * @param {Function} iteratee The function invoked per iteration.
|
|
|
+ * @returns {Array} Returns the new mapped array.
|
|
|
+ */
|
|
|
+function baseMap(collection, iteratee) {
|
|
|
+ var index = -1,
|
|
|
+ result = isArrayLike(collection) ? Array(collection.length) : [];
|
|
|
+
|
|
|
+ baseEach(collection, function(value, key, collection) {
|
|
|
+ result[++index] = iteratee(value, key, collection);
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.matches` which doesn't clone `source`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} source The object of property values to match.
|
|
|
+ * @returns {Function} Returns the new spec function.
|
|
|
+ */
|
|
|
+function baseMatches(source) {
|
|
|
+ var matchData = getMatchData(source);
|
|
|
+ if (matchData.length == 1 && matchData[0][2]) {
|
|
|
+ return matchesStrictComparable(matchData[0][0], matchData[0][1]);
|
|
|
+ }
|
|
|
+ return function(object) {
|
|
|
+ return object === source || baseIsMatch(object, source, matchData);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {string} path The path of the property to get.
|
|
|
+ * @param {*} srcValue The value to match.
|
|
|
+ * @returns {Function} Returns the new spec function.
|
|
|
+ */
|
|
|
+function baseMatchesProperty(path, srcValue) {
|
|
|
+ if (isKey(path) && isStrictComparable(srcValue)) {
|
|
|
+ return matchesStrictComparable(toKey(path), srcValue);
|
|
|
+ }
|
|
|
+ return function(object) {
|
|
|
+ var objValue = get(object, path);
|
|
|
+ return (objValue === undefined && objValue === srcValue)
|
|
|
+ ? hasIn(object, path)
|
|
|
+ : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `baseProperty` which supports deep paths.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Array|string} path The path of the property to get.
|
|
|
+ * @returns {Function} Returns the new accessor function.
|
|
|
+ */
|
|
|
+function basePropertyDeep(path) {
|
|
|
+ return function(object) {
|
|
|
+ return baseGet(object, path);
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * The base implementation of `_.toString` which doesn't convert nullish
|
|
|
+ * values to empty strings.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to process.
|
|
|
+ * @returns {string} Returns the string.
|
|
|
+ */
|
|
|
+function baseToString(value) {
|
|
|
+ // Exit early for strings to avoid a performance hit in some environments.
|
|
|
+ if (typeof value == 'string') {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+ if (isSymbol(value)) {
|
|
|
+ return symbolToString ? symbolToString.call(value) : '';
|
|
|
+ }
|
|
|
+ var result = (value + '');
|
|
|
+ return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Casts `value` to a path array if it's not one.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to inspect.
|
|
|
+ * @returns {Array} Returns the cast property path array.
|
|
|
+ */
|
|
|
+function castPath(value) {
|
|
|
+ return isArray(value) ? value : stringToPath(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a `baseEach` or `baseEachRight` function.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Function} eachFunc The function to iterate over a collection.
|
|
|
+ * @param {boolean} [fromRight] Specify iterating from right to left.
|
|
|
+ * @returns {Function} Returns the new base function.
|
|
|
+ */
|
|
|
+function createBaseEach(eachFunc, fromRight) {
|
|
|
+ return function(collection, iteratee) {
|
|
|
+ if (collection == null) {
|
|
|
+ return collection;
|
|
|
+ }
|
|
|
+ if (!isArrayLike(collection)) {
|
|
|
+ return eachFunc(collection, iteratee);
|
|
|
+ }
|
|
|
+ var length = collection.length,
|
|
|
+ index = fromRight ? length : -1,
|
|
|
+ iterable = Object(collection);
|
|
|
+
|
|
|
+ while ((fromRight ? index-- : ++index < length)) {
|
|
|
+ if (iteratee(iterable[index], index, iterable) === false) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return collection;
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a base function for methods like `_.forIn` and `_.forOwn`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {boolean} [fromRight] Specify iterating from right to left.
|
|
|
+ * @returns {Function} Returns the new base function.
|
|
|
+ */
|
|
|
+function createBaseFor(fromRight) {
|
|
|
+ return function(object, iteratee, keysFunc) {
|
|
|
+ var index = -1,
|
|
|
+ iterable = Object(object),
|
|
|
+ props = keysFunc(object),
|
|
|
+ length = props.length;
|
|
|
+
|
|
|
+ while (length--) {
|
|
|
+ var key = props[fromRight ? length : ++index];
|
|
|
+ if (iteratee(iterable[key], key, iterable) === false) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return object;
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `baseIsEqualDeep` for arrays with support for
|
|
|
+ * partial deep comparisons.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Array} array The array to compare.
|
|
|
+ * @param {Array} other The other array to compare.
|
|
|
+ * @param {Function} equalFunc The function to determine equivalents of values.
|
|
|
+ * @param {Function} customizer The function to customize comparisons.
|
|
|
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
|
|
|
+ * for more details.
|
|
|
+ * @param {Object} stack Tracks traversed `array` and `other` objects.
|
|
|
+ * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
|
|
|
+ */
|
|
|
+function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
|
|
|
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
|
|
|
+ arrLength = array.length,
|
|
|
+ othLength = other.length;
|
|
|
+
|
|
|
+ if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ // Assume cyclic values are equal.
|
|
|
+ var stacked = stack.get(array);
|
|
|
+ if (stacked && stack.get(other)) {
|
|
|
+ return stacked == other;
|
|
|
+ }
|
|
|
+ var index = -1,
|
|
|
+ result = true,
|
|
|
+ seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;
|
|
|
+
|
|
|
+ stack.set(array, other);
|
|
|
+ stack.set(other, array);
|
|
|
+
|
|
|
+ // Ignore non-index properties.
|
|
|
+ while (++index < arrLength) {
|
|
|
+ var arrValue = array[index],
|
|
|
+ othValue = other[index];
|
|
|
+
|
|
|
+ if (customizer) {
|
|
|
+ var compared = isPartial
|
|
|
+ ? customizer(othValue, arrValue, index, other, array, stack)
|
|
|
+ : customizer(arrValue, othValue, index, array, other, stack);
|
|
|
+ }
|
|
|
+ if (compared !== undefined) {
|
|
|
+ if (compared) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ result = false;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ // Recursively compare arrays (susceptible to call stack limits).
|
|
|
+ if (seen) {
|
|
|
+ if (!arraySome(other, function(othValue, othIndex) {
|
|
|
+ if (!seen.has(othIndex) &&
|
|
|
+ (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
|
|
|
+ return seen.add(othIndex);
|
|
|
+ }
|
|
|
+ })) {
|
|
|
+ result = false;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } else if (!(
|
|
|
+ arrValue === othValue ||
|
|
|
+ equalFunc(arrValue, othValue, customizer, bitmask, stack)
|
|
|
+ )) {
|
|
|
+ result = false;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ stack['delete'](array);
|
|
|
+ stack['delete'](other);
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `baseIsEqualDeep` for comparing objects of
|
|
|
+ * the same `toStringTag`.
|
|
|
+ *
|
|
|
+ * **Note:** This function only supports comparing values with tags of
|
|
|
+ * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to compare.
|
|
|
+ * @param {Object} other The other object to compare.
|
|
|
+ * @param {string} tag The `toStringTag` of the objects to compare.
|
|
|
+ * @param {Function} equalFunc The function to determine equivalents of values.
|
|
|
+ * @param {Function} customizer The function to customize comparisons.
|
|
|
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
|
|
|
+ * for more details.
|
|
|
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
|
|
|
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
|
|
|
+ */
|
|
|
+function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
|
|
|
+ switch (tag) {
|
|
|
+ case dataViewTag:
|
|
|
+ if ((object.byteLength != other.byteLength) ||
|
|
|
+ (object.byteOffset != other.byteOffset)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ object = object.buffer;
|
|
|
+ other = other.buffer;
|
|
|
+
|
|
|
+ case arrayBufferTag:
|
|
|
+ if ((object.byteLength != other.byteLength) ||
|
|
|
+ !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+
|
|
|
+ case boolTag:
|
|
|
+ case dateTag:
|
|
|
+ case numberTag:
|
|
|
+ // Coerce booleans to `1` or `0` and dates to milliseconds.
|
|
|
+ // Invalid dates are coerced to `NaN`.
|
|
|
+ return eq(+object, +other);
|
|
|
+
|
|
|
+ case errorTag:
|
|
|
+ return object.name == other.name && object.message == other.message;
|
|
|
+
|
|
|
+ case regexpTag:
|
|
|
+ case stringTag:
|
|
|
+ // Coerce regexes to strings and treat strings, primitives and objects,
|
|
|
+ // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
|
|
|
+ // for more details.
|
|
|
+ return object == (other + '');
|
|
|
+
|
|
|
+ case mapTag:
|
|
|
+ var convert = mapToArray;
|
|
|
+
|
|
|
+ case setTag:
|
|
|
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
|
|
|
+ convert || (convert = setToArray);
|
|
|
+
|
|
|
+ if (object.size != other.size && !isPartial) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ // Assume cyclic values are equal.
|
|
|
+ var stacked = stack.get(object);
|
|
|
+ if (stacked) {
|
|
|
+ return stacked == other;
|
|
|
+ }
|
|
|
+ bitmask |= UNORDERED_COMPARE_FLAG;
|
|
|
+
|
|
|
+ // Recursively compare objects (susceptible to call stack limits).
|
|
|
+ stack.set(object, other);
|
|
|
+ var result = equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
|
|
|
+ stack['delete'](object);
|
|
|
+ return result;
|
|
|
+
|
|
|
+ case symbolTag:
|
|
|
+ if (symbolValueOf) {
|
|
|
+ return symbolValueOf.call(object) == symbolValueOf.call(other);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `baseIsEqualDeep` for objects with support for
|
|
|
+ * partial deep comparisons.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to compare.
|
|
|
+ * @param {Object} other The other object to compare.
|
|
|
+ * @param {Function} equalFunc The function to determine equivalents of values.
|
|
|
+ * @param {Function} customizer The function to customize comparisons.
|
|
|
+ * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
|
|
|
+ * for more details.
|
|
|
+ * @param {Object} stack Tracks traversed `object` and `other` objects.
|
|
|
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
|
|
|
+ */
|
|
|
+function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
|
|
|
+ var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
|
|
|
+ objProps = keys(object),
|
|
|
+ objLength = objProps.length,
|
|
|
+ othProps = keys(other),
|
|
|
+ othLength = othProps.length;
|
|
|
+
|
|
|
+ if (objLength != othLength && !isPartial) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ var index = objLength;
|
|
|
+ while (index--) {
|
|
|
+ var key = objProps[index];
|
|
|
+ if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Assume cyclic values are equal.
|
|
|
+ var stacked = stack.get(object);
|
|
|
+ if (stacked && stack.get(other)) {
|
|
|
+ return stacked == other;
|
|
|
+ }
|
|
|
+ var result = true;
|
|
|
+ stack.set(object, other);
|
|
|
+ stack.set(other, object);
|
|
|
+
|
|
|
+ var skipCtor = isPartial;
|
|
|
+ while (++index < objLength) {
|
|
|
+ key = objProps[index];
|
|
|
+ var objValue = object[key],
|
|
|
+ othValue = other[key];
|
|
|
+
|
|
|
+ if (customizer) {
|
|
|
+ var compared = isPartial
|
|
|
+ ? customizer(othValue, objValue, key, other, object, stack)
|
|
|
+ : customizer(objValue, othValue, key, object, other, stack);
|
|
|
+ }
|
|
|
+ // Recursively compare objects (susceptible to call stack limits).
|
|
|
+ if (!(compared === undefined
|
|
|
+ ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
|
|
|
+ : compared
|
|
|
+ )) {
|
|
|
+ result = false;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ skipCtor || (skipCtor = key == 'constructor');
|
|
|
+ }
|
|
|
+ if (result && !skipCtor) {
|
|
|
+ var objCtor = object.constructor,
|
|
|
+ othCtor = other.constructor;
|
|
|
+
|
|
|
+ // Non `Object` object instances with different constructors are not equal.
|
|
|
+ if (objCtor != othCtor &&
|
|
|
+ ('constructor' in object && 'constructor' in other) &&
|
|
|
+ !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
|
|
|
+ typeof othCtor == 'function' && othCtor instanceof othCtor)) {
|
|
|
+ result = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ stack['delete'](object);
|
|
|
+ stack['delete'](other);
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the data for `map`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} map The map to query.
|
|
|
+ * @param {string} key The reference key.
|
|
|
+ * @returns {*} Returns the map data.
|
|
|
+ */
|
|
|
+function getMapData(map, key) {
|
|
|
+ var data = map.__data__;
|
|
|
+ return isKeyable(key)
|
|
|
+ ? data[typeof key == 'string' ? 'string' : 'hash']
|
|
|
+ : data.map;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the property names, values, and compare flags of `object`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @returns {Array} Returns the match data of `object`.
|
|
|
+ */
|
|
|
+function getMatchData(object) {
|
|
|
+ var result = keys(object),
|
|
|
+ length = result.length;
|
|
|
+
|
|
|
+ while (length--) {
|
|
|
+ var key = result[length],
|
|
|
+ value = object[key];
|
|
|
+
|
|
|
+ result[length] = [key, value, isStrictComparable(value)];
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the native function at `key` of `object`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @param {string} key The key of the method to get.
|
|
|
+ * @returns {*} Returns the function if it's native, else `undefined`.
|
|
|
+ */
|
|
|
+function getNative(object, key) {
|
|
|
+ var value = getValue(object, key);
|
|
|
+ return baseIsNative(value) ? value : undefined;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * 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,
|
|
|
+// for data views in Edge < 14, and promises in Node.js.
|
|
|
+if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
|
|
|
+ (Map && getTag(new Map) != mapTag) ||
|
|
|
+ (Promise && getTag(Promise.resolve()) != promiseTag) ||
|
|
|
+ (Set && getTag(new Set) != setTag) ||
|
|
|
+ (WeakMap && getTag(new WeakMap) != weakMapTag)) {
|
|
|
+ getTag = function(value) {
|
|
|
+ var result = objectToString.call(value),
|
|
|
+ Ctor = result == objectTag ? value.constructor : undefined,
|
|
|
+ ctorString = Ctor ? toSource(Ctor) : undefined;
|
|
|
+
|
|
|
+ if (ctorString) {
|
|
|
+ switch (ctorString) {
|
|
|
+ case dataViewCtorString: return dataViewTag;
|
|
|
+ case mapCtorString: return mapTag;
|
|
|
+ case promiseCtorString: return promiseTag;
|
|
|
+ case setCtorString: return setTag;
|
|
|
+ case weakMapCtorString: return weakMapTag;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `path` exists on `object`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @param {Array|string} path The path to check.
|
|
|
+ * @param {Function} hasFunc The function to check properties.
|
|
|
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
|
|
|
+ */
|
|
|
+function hasPath(object, path, hasFunc) {
|
|
|
+ path = isKey(path, object) ? [path] : castPath(path);
|
|
|
+
|
|
|
+ var result,
|
|
|
+ index = -1,
|
|
|
+ length = path.length;
|
|
|
+
|
|
|
+ while (++index < length) {
|
|
|
+ var key = toKey(path[index]);
|
|
|
+ if (!(result = object != null && hasFunc(object, key))) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ object = object[key];
|
|
|
+ }
|
|
|
+ if (result) {
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+ var length = object ? object.length : 0;
|
|
|
+ return !!length && isLength(length) && isIndex(key, length) &&
|
|
|
+ (isArray(object) || isArguments(object));
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is a valid array-like index.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
|
|
|
+ */
|
|
|
+function isIndex(value, length) {
|
|
|
+ length = length == null ? MAX_SAFE_INTEGER : length;
|
|
|
+ return !!length &&
|
|
|
+ (typeof value == 'number' || reIsUint.test(value)) &&
|
|
|
+ (value > -1 && value % 1 == 0 && value < length);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is a property name and not a property path.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @param {Object} [object] The object to query keys on.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
|
|
|
+ */
|
|
|
+function isKey(value, object) {
|
|
|
+ if (isArray(value)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ var type = typeof value;
|
|
|
+ if (type == 'number' || type == 'symbol' || type == 'boolean' ||
|
|
|
+ value == null || isSymbol(value)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
|
|
|
+ (object != null && value in Object(object));
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is suitable for use as unique object key.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
|
|
|
+ */
|
|
|
+function isKeyable(value) {
|
|
|
+ var type = typeof value;
|
|
|
+ return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
|
|
|
+ ? (value !== '__proto__')
|
|
|
+ : (value === null);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `func` has its source masked.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Function} func The function to check.
|
|
|
+ * @returns {boolean} Returns `true` if `func` is masked, else `false`.
|
|
|
+ */
|
|
|
+function isMasked(func) {
|
|
|
+ return !!maskSrcKey && (maskSrcKey in func);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is likely a prototype object.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
|
|
|
+ */
|
|
|
+function isPrototype(value) {
|
|
|
+ var Ctor = value && value.constructor,
|
|
|
+ proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
|
|
|
+
|
|
|
+ return value === proto;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` if suitable for strict
|
|
|
+ * equality comparisons, else `false`.
|
|
|
+ */
|
|
|
+function isStrictComparable(value) {
|
|
|
+ return value === value && !isObject(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * A specialized version of `matchesProperty` for source values suitable
|
|
|
+ * for strict equality comparisons, i.e. `===`.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {string} key The key of the property to get.
|
|
|
+ * @param {*} srcValue The value to match.
|
|
|
+ * @returns {Function} Returns the new spec function.
|
|
|
+ */
|
|
|
+function matchesStrictComparable(key, srcValue) {
|
|
|
+ return function(object) {
|
|
|
+ if (object == null) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return object[key] === srcValue &&
|
|
|
+ (srcValue !== undefined || (key in Object(object)));
|
|
|
+ };
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Converts `string` to a property path array.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {string} string The string to convert.
|
|
|
+ * @returns {Array} Returns the property path array.
|
|
|
+ */
|
|
|
+var stringToPath = memoize(function(string) {
|
|
|
+ string = toString(string);
|
|
|
+
|
|
|
+ var result = [];
|
|
|
+ if (reLeadingDot.test(string)) {
|
|
|
+ result.push('');
|
|
|
+ }
|
|
|
+ string.replace(rePropName, function(match, number, quote, string) {
|
|
|
+ result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+});
|
|
|
+
|
|
|
+/**
|
|
|
+ * Converts `value` to a string key if it's not a string or symbol.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {*} value The value to inspect.
|
|
|
+ * @returns {string|symbol} Returns the key.
|
|
|
+ */
|
|
|
+function toKey(value) {
|
|
|
+ if (typeof value == 'string' || isSymbol(value)) {
|
|
|
+ return value;
|
|
|
+ }
|
|
|
+ var result = (value + '');
|
|
|
+ return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Converts `func` to its source code.
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ * @param {Function} func The function to process.
|
|
|
+ * @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 '';
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates an array of values by running each element in `collection` thru
|
|
|
+ * `iteratee`. The iteratee is invoked with three arguments:
|
|
|
+ * (value, index|key, collection).
|
|
|
+ *
|
|
|
+ * Many lodash methods are guarded to work as iteratees for methods like
|
|
|
+ * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
|
|
|
+ *
|
|
|
+ * The guarded methods are:
|
|
|
+ * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
|
|
|
+ * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
|
|
|
+ * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
|
|
|
+ * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 0.1.0
|
|
|
+ * @category Collection
|
|
|
+ * @param {Array|Object} collection The collection to iterate over.
|
|
|
+ * @param {Function} [iteratee=_.identity] The function invoked per iteration.
|
|
|
+ * @returns {Array} Returns the new mapped array.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * function square(n) {
|
|
|
+ * return n * n;
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * _.map([4, 8], square);
|
|
|
+ * // => [16, 64]
|
|
|
+ *
|
|
|
+ * _.map({ 'a': 4, 'b': 8 }, square);
|
|
|
+ * // => [16, 64] (iteration order is not guaranteed)
|
|
|
+ *
|
|
|
+ * var users = [
|
|
|
+ * { 'user': 'barney' },
|
|
|
+ * { 'user': 'fred' }
|
|
|
+ * ];
|
|
|
+ *
|
|
|
+ * // The `_.property` iteratee shorthand.
|
|
|
+ * _.map(users, 'user');
|
|
|
+ * // => ['barney', 'fred']
|
|
|
+ */
|
|
|
+function map(collection, iteratee) {
|
|
|
+ var func = isArray(collection) ? arrayMap : baseMap;
|
|
|
+ return func(collection, baseIteratee(iteratee, 3));
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a function that memoizes the result of `func`. If `resolver` is
|
|
|
+ * provided, it determines the cache key for storing the result based on the
|
|
|
+ * arguments provided to the memoized function. By default, the first argument
|
|
|
+ * provided to the memoized function is used as the map cache key. The `func`
|
|
|
+ * is invoked with the `this` binding of the memoized function.
|
|
|
+ *
|
|
|
+ * **Note:** The cache is exposed as the `cache` property on the memoized
|
|
|
+ * function. Its creation may be customized by replacing the `_.memoize.Cache`
|
|
|
+ * constructor with one whose instances implement the
|
|
|
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
|
|
|
+ * method interface of `delete`, `get`, `has`, and `set`.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 0.1.0
|
|
|
+ * @category Function
|
|
|
+ * @param {Function} func The function to have its output memoized.
|
|
|
+ * @param {Function} [resolver] The function to resolve the cache key.
|
|
|
+ * @returns {Function} Returns the new memoized function.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var object = { 'a': 1, 'b': 2 };
|
|
|
+ * var other = { 'c': 3, 'd': 4 };
|
|
|
+ *
|
|
|
+ * var values = _.memoize(_.values);
|
|
|
+ * values(object);
|
|
|
+ * // => [1, 2]
|
|
|
+ *
|
|
|
+ * values(other);
|
|
|
+ * // => [3, 4]
|
|
|
+ *
|
|
|
+ * object.a = 2;
|
|
|
+ * values(object);
|
|
|
+ * // => [1, 2]
|
|
|
+ *
|
|
|
+ * // Modify the result cache.
|
|
|
+ * values.cache.set(object, ['a', 'b']);
|
|
|
+ * values(object);
|
|
|
+ * // => ['a', 'b']
|
|
|
+ *
|
|
|
+ * // Replace `_.memoize.Cache`.
|
|
|
+ * _.memoize.Cache = WeakMap;
|
|
|
+ */
|
|
|
+function memoize(func, resolver) {
|
|
|
+ if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {
|
|
|
+ throw new TypeError(FUNC_ERROR_TEXT);
|
|
|
+ }
|
|
|
+ var memoized = function() {
|
|
|
+ var args = arguments,
|
|
|
+ key = resolver ? resolver.apply(this, args) : args[0],
|
|
|
+ cache = memoized.cache;
|
|
|
+
|
|
|
+ if (cache.has(key)) {
|
|
|
+ return cache.get(key);
|
|
|
+ }
|
|
|
+ var result = func.apply(this, args);
|
|
|
+ memoized.cache = cache.set(key, result);
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+ memoized.cache = new (memoize.Cache || MapCache);
|
|
|
+ return memoized;
|
|
|
+}
|
|
|
+
|
|
|
+// Assign cache to `_.memoize`.
|
|
|
+memoize.Cache = MapCache;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Performs a
|
|
|
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
|
|
|
+ * comparison between two values to determine if they are equivalent.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to compare.
|
|
|
+ * @param {*} other The other value to compare.
|
|
|
+ * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var object = { 'a': 1 };
|
|
|
+ * var other = { 'a': 1 };
|
|
|
+ *
|
|
|
+ * _.eq(object, object);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.eq(object, other);
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.eq('a', 'a');
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.eq('a', Object('a'));
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.eq(NaN, NaN);
|
|
|
+ * // => true
|
|
|
+ */
|
|
|
+function eq(value, other) {
|
|
|
+ return value === other || (value !== value && other !== other);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is 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
|
|
|
+ */
|
|
|
+function isArguments(value) {
|
|
|
+ // Safari 8.1 makes `arguments.callee` enumerable in strict mode.
|
|
|
+ return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
|
|
|
+ (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is classified as an `Array` object.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 0.1.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isArray([1, 2, 3]);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArray(document.body.children);
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isArray('abc');
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isArray(_.noop);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+var isArray = Array.isArray;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is array-like. A value is considered array-like if it's
|
|
|
+ * not a function and has a `value.length` that's an integer greater than or
|
|
|
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isArrayLike([1, 2, 3]);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArrayLike(document.body.children);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArrayLike('abc');
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArrayLike(_.noop);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isArrayLike(value) {
|
|
|
+ return value != null && isLength(value.length) && !isFunction(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * This method is like `_.isArrayLike` except that it also checks if `value`
|
|
|
+ * is an object.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is an array-like object,
|
|
|
+ * else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isArrayLikeObject([1, 2, 3]);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArrayLikeObject(document.body.children);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isArrayLikeObject('abc');
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isArrayLikeObject(_.noop);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isArrayLikeObject(value) {
|
|
|
+ return isObjectLike(value) && isArrayLike(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is classified as a `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) {
|
|
|
+ // The use of `Object#toString` avoids issues with the `typeof` operator
|
|
|
+ // in Safari 8-9 which returns 'object' for typed array and other constructors.
|
|
|
+ var tag = isObject(value) ? objectToString.call(value) : '';
|
|
|
+ return tag == funcTag || tag == genTag;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is a valid array-like length.
|
|
|
+ *
|
|
|
+ * **Note:** This method is loosely based on
|
|
|
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isLength(3);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isLength(Number.MIN_VALUE);
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isLength(Infinity);
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isLength('3');
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isLength(value) {
|
|
|
+ return typeof value == 'number' &&
|
|
|
+ value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is the
|
|
|
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
|
|
|
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 0.1.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isObject({});
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isObject([1, 2, 3]);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isObject(_.noop);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isObject(null);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isObject(value) {
|
|
|
+ var type = typeof value;
|
|
|
+ return !!value && (type == 'object' || type == 'function');
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
|
|
|
+ * and has a `typeof` result of "object".
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isObjectLike({});
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isObjectLike([1, 2, 3]);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isObjectLike(_.noop);
|
|
|
+ * // => false
|
|
|
+ *
|
|
|
+ * _.isObjectLike(null);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isObjectLike(value) {
|
|
|
+ return !!value && typeof value == 'object';
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is classified as a `Symbol` primitive or object.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isSymbol(Symbol.iterator);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isSymbol('abc');
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function isSymbol(value) {
|
|
|
+ return typeof value == 'symbol' ||
|
|
|
+ (isObjectLike(value) && objectToString.call(value) == symbolTag);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `value` is classified as a typed array.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 3.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.isTypedArray(new Uint8Array);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.isTypedArray([]);
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Converts `value` to a string. An empty string is returned for `null`
|
|
|
+ * and `undefined` values. The sign of `-0` is preserved.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Lang
|
|
|
+ * @param {*} value The value to process.
|
|
|
+ * @returns {string} Returns the string.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * _.toString(null);
|
|
|
+ * // => ''
|
|
|
+ *
|
|
|
+ * _.toString(-0);
|
|
|
+ * // => '-0'
|
|
|
+ *
|
|
|
+ * _.toString([1, 2, 3]);
|
|
|
+ * // => '1,2,3'
|
|
|
+ */
|
|
|
+function toString(value) {
|
|
|
+ return value == null ? '' : baseToString(value);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Gets the value at `path` of `object`. If the resolved value is
|
|
|
+ * `undefined`, the `defaultValue` is returned in its place.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 3.7.0
|
|
|
+ * @category Object
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @param {Array|string} path The path of the property to get.
|
|
|
+ * @param {*} [defaultValue] The value returned for `undefined` resolved values.
|
|
|
+ * @returns {*} Returns the resolved value.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var object = { 'a': [{ 'b': { 'c': 3 } }] };
|
|
|
+ *
|
|
|
+ * _.get(object, 'a[0].b.c');
|
|
|
+ * // => 3
|
|
|
+ *
|
|
|
+ * _.get(object, ['a', '0', 'b', 'c']);
|
|
|
+ * // => 3
|
|
|
+ *
|
|
|
+ * _.get(object, 'a.b.c', 'default');
|
|
|
+ * // => 'default'
|
|
|
+ */
|
|
|
+function get(object, path, defaultValue) {
|
|
|
+ var result = object == null ? undefined : baseGet(object, path);
|
|
|
+ return result === undefined ? defaultValue : result;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Checks if `path` is a direct or inherited property of `object`.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 4.0.0
|
|
|
+ * @category Object
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @param {Array|string} path The path to check.
|
|
|
+ * @returns {boolean} Returns `true` if `path` exists, else `false`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var object = _.create({ 'a': _.create({ 'b': 2 }) });
|
|
|
+ *
|
|
|
+ * _.hasIn(object, 'a');
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.hasIn(object, 'a.b');
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.hasIn(object, ['a', 'b']);
|
|
|
+ * // => true
|
|
|
+ *
|
|
|
+ * _.hasIn(object, 'b');
|
|
|
+ * // => false
|
|
|
+ */
|
|
|
+function hasIn(object, path) {
|
|
|
+ return object != null && hasPath(object, path, baseHasIn);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates an array of the own enumerable property names of `object`.
|
|
|
+ *
|
|
|
+ * **Note:** Non-object values are coerced to objects. See the
|
|
|
+ * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
|
|
|
+ * for more details.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @since 0.1.0
|
|
|
+ * @memberOf _
|
|
|
+ * @category Object
|
|
|
+ * @param {Object} object The object to query.
|
|
|
+ * @returns {Array} Returns the array of property names.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * function Foo() {
|
|
|
+ * this.a = 1;
|
|
|
+ * this.b = 2;
|
|
|
+ * }
|
|
|
+ *
|
|
|
+ * Foo.prototype.c = 3;
|
|
|
+ *
|
|
|
+ * _.keys(new Foo);
|
|
|
+ * // => ['a', 'b'] (iteration order is not guaranteed)
|
|
|
+ *
|
|
|
+ * _.keys('hi');
|
|
|
+ * // => ['0', '1']
|
|
|
+ */
|
|
|
+function keys(object) {
|
|
|
+ return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * This method returns the first argument it receives.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @since 0.1.0
|
|
|
+ * @memberOf _
|
|
|
+ * @category Util
|
|
|
+ * @param {*} value Any value.
|
|
|
+ * @returns {*} Returns `value`.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var object = { 'a': 1 };
|
|
|
+ *
|
|
|
+ * console.log(_.identity(object) === object);
|
|
|
+ * // => true
|
|
|
+ */
|
|
|
+function identity(value) {
|
|
|
+ return value;
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Creates a function that returns the value at `path` of a given object.
|
|
|
+ *
|
|
|
+ * @static
|
|
|
+ * @memberOf _
|
|
|
+ * @since 2.4.0
|
|
|
+ * @category Util
|
|
|
+ * @param {Array|string} path The path of the property to get.
|
|
|
+ * @returns {Function} Returns the new accessor function.
|
|
|
+ * @example
|
|
|
+ *
|
|
|
+ * var objects = [
|
|
|
+ * { 'a': { 'b': 2 } },
|
|
|
+ * { 'a': { 'b': 1 } }
|
|
|
+ * ];
|
|
|
+ *
|
|
|
+ * _.map(objects, _.property('a.b'));
|
|
|
+ * // => [2, 1]
|
|
|
+ *
|
|
|
+ * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
|
|
|
+ * // => [1, 2]
|
|
|
+ */
|
|
|
+function property(path) {
|
|
|
+ return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
|
|
|
+}
|
|
|
+
|
|
|
+module.exports = map;
|
north