/** * lodash 4.3.0 (Custom Build) * Build: `lodash modularize exports="npm" -o ./` * Copyright jQuery Foundation and other contributors * Released under MIT license * Based on Underscore.js 1.8.3 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors */ var baseEach = require('lodash._baseeach'), baseSlice = require('lodash._baseslice'), rest = require('lodash.rest'), stringToPath = require('lodash._stringtopath'); /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** `Object#toString` result references. */ var funcTag = '[object Function]', genTag = '[object GeneratorFunction]', symbolTag = '[object Symbol]'; /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/; /** * A faster alternative to `Function#apply`, this function invokes `func` * with the `this` binding of `thisArg` and the arguments of `args`. * * @private * @param {Function} func The function to invoke. * @param {*} thisArg The `this` binding of `func`. * @param {Array} args The arguments to invoke `func` with. * @returns {*} Returns the result of `func`. */ function apply(func, thisArg, args) { var length = args.length; switch (length) { case 0: return func.call(thisArg); case 1: return func.call(thisArg, args[0]); case 2: return func.call(thisArg, args[0], args[1]); case 3: return func.call(thisArg, args[0], args[1], args[2]); } return func.apply(thisArg, args); } /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /** * 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[path[index++]]; } return (index && index == length) ? object : undefined; } /** * The base implementation of `_.invoke` without support for individual * method arguments. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the method to invoke. * @param {Array} args The arguments to invoke the method with. * @returns {*} Returns the result of the invoked method. */ function baseInvoke(object, path, args) { if (!isKey(path, object)) { path = castPath(path); object = parent(object, path); path = last(path); } var func = object == null ? object : object[path]; return func == null ? undefined : apply(func, object, args); } /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } /** * 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); } /** * Gets the "length" property value of `object`. * * **Note:** This function is used to avoid a * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects * Safari on at least iOS 8.1-8.3 ARM64. * * @private * @param {Object} object The object to query. * @returns {*} Returns the "length" value. */ var getLength = baseProperty('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) { var type = typeof value; if (type == 'number' || type == 'symbol') { return true; } return !isArray(value) && (isSymbol(value) || reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object))); } /** * Gets the parent value at `path` of `object`. * * @private * @param {Object} object The object to query. * @param {Array} path The path to get the parent value of. * @returns {*} Returns the parent value. */ function parent(object, path) { return path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1)); } /** * Gets the last element of `array`. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to query. * @returns {*} Returns the last element of `array`. * @example * * _.last([1, 2, 3]); * // => 3 */ function last(array) { var length = array ? array.length : 0; return length ? array[length - 1] : undefined; } /** * Invokes the method at `path` of each element in `collection`, returning * an array of the results of each invoked method. Any additional arguments * are provided to each invoked method. If `methodName` is a function, it's * invoked for and `this` bound to, each element in `collection`. * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Array|Function|string} path The path of the method to invoke or * the function invoked per iteration. * @param {...*} [args] The arguments to invoke each method with. * @returns {Array} Returns the array of results. * @example * * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort'); * // => [[1, 5, 7], [1, 2, 3]] * * _.invokeMap([123, 456], String.prototype.split, ''); * // => [['1', '2', '3'], ['4', '5', '6']] */ var invokeMap = rest(function(collection, path, args) { var index = -1, isFunc = typeof path == 'function', isProp = isKey(path), result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value) { var func = isFunc ? path : ((isProp && value != null) ? value[path] : undefined); result[++index] = func ? apply(func, value, args) : baseInvoke(value, path, args); }); return result; }); /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @since 0.1.0 * @type {Function} * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is correctly classified, * 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(getLength(value)) && !isFunction(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 correctly classified, * 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 which returns 'object' for typed array and weak map constructors, // and PhantomJS 1.9 which returns 'function' for `NodeList` instances. var tag = isObject(value) ? objectToString.call(value) : ''; return tag == funcTag || tag == genTag; } /** * Checks if `value` is a valid array-like length. * * **Note:** This function is loosely based on * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#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-262/6.0/#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 correctly classified, * else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && objectToString.call(value) == symbolTag); } module.exports = invokeMap;