polyfill.js (1088B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 // FUNCTIONS // 22 23 /** 24 * Dummy constructor. 25 * 26 * @private 27 */ 28 function Ctor() { 29 // Empty... 30 } 31 32 33 // MAIN // 34 35 /** 36 * An `Object.create` shim for older JavaScript engines. 37 * 38 * @private 39 * @param {Object} proto - prototype 40 * @returns {Object} created object 41 * 42 * @example 43 * var obj = createObject( Object.prototype ); 44 * // returns {} 45 */ 46 function createObject( proto ) { 47 Ctor.prototype = proto; 48 return new Ctor(); 49 } 50 51 52 // EXPORTS // 53 54 module.exports = createObject;