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x/lodash/invokeMap.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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import apply from './_apply.js';import baseEach from './_baseEach.js';import baseInvoke from './_baseInvoke.js';import baseRest from './_baseRest.js';import isArrayLike from './isArrayLike.js';
/** * 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 `path` 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 = baseRest(function(collection, path, args) { var index = -1, isFunc = typeof path == 'function', result = isArrayLike(collection) ? Array(collection.length) : [];
baseEach(collection, function(value) { result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args); }); return result;});
export default invokeMap;