main.js (1507B)
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 // MODULES // 22 23 var defineProperty = require( './../../define-property' ); 24 25 26 // MAIN // 27 28 /** 29 * Defines a read-write accessor. 30 * 31 * @param {Object} obj - object on which to define the property 32 * @param {(string|symbol)} prop - property name 33 * @param {Function} getter - get accessor 34 * @param {Function} setter - set accessor 35 * 36 * @example 37 * function getter() { 38 * return name + ' foo'; 39 * } 40 * 41 * function setter( v ) { 42 * name = v; 43 * } 44 * 45 * var name = 'bar'; 46 * var obj = {}; 47 * 48 * setReadWriteAccessor( obj, 'foo', getter, setter ); 49 * 50 * var v = obj.foo; 51 * // returns 'bar foo' 52 * 53 * obj.foo = 'beep'; 54 * 55 * v = obj.foo; 56 * // returns 'beep foo' 57 */ 58 function setReadWriteAccessor( obj, prop, getter, setter ) { 59 defineProperty( obj, prop, { 60 'configurable': false, 61 'enumerable': true, 62 'get': getter, 63 'set': setter 64 }); 65 } 66 67 68 // EXPORTS // 69 70 module.exports = setReadWriteAccessor;