'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = keyValMap; /** * Creates a keyed JS object from an array, given a function to produce the keys * and a function to produce the values from each item in the array. * * const phoneBook = [ * { name: 'Jon', num: '555-1234' }, * { name: 'Jenny', num: '867-5309' } * ] * * // { Jon: '555-1234', Jenny: '867-5309' } * const phonesByName = keyValMap( * phoneBook, * entry => entry.name, * entry => entry.num * ) * */ function keyValMap(list, keyFn, valFn) { return list.reduce(function (map, item) { return map[keyFn(item)] = valFn(item), map; }, Object.create(null)); } /** * Copyright (c) 2015-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * strict */