builtin.js (1355B)
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 // VARIABLES // 22 23 var propertyDescriptors = Object.getOwnPropertyDescriptors; 24 25 26 // MAIN // 27 28 /** 29 * Returns an object's own property descriptors. 30 * 31 * ## Notes 32 * 33 * - In contrast to the built-in `Object.getOwnPropertyDescriptors()`, this function returns an empty object if provided `undefined` or `null`, rather than throwing an error. 34 * 35 * @private 36 * @param {*} value - input object 37 * @returns {Object} property descriptors 38 * 39 * @example 40 * var obj = { 41 * 'beep': 'boop', 42 * 'foo': 3.14 43 * }; 44 * 45 * var desc = getOwnPropertyDescriptors( obj ); 46 * // returns {...} 47 */ 48 function getOwnPropertyDescriptors( value ) { 49 return propertyDescriptors( Object( value ) ); 50 } 51 52 53 // EXPORTS // 54 55 module.exports = getOwnPropertyDescriptors;