index.js (1331B)
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 /** 22 * Invert an object, such that keys become values and values become keys. 23 * 24 * @module @stdlib/utils/object-inverse 25 * 26 * @example 27 * var invert = require( '@stdlib/utils/object-inverse' ); 28 * 29 * var out = invert({ 30 * 'a': 'beep', 31 * 'b': 'boop' 32 * }); 33 * // returns { 'beep': 'a', 'boop': 'b' } 34 * 35 * out = invert({ 36 * 'a': 'beep', 37 * 'b': 'beep' 38 * }); 39 * // returns { 'beep': [ 'a', 'b' ] } 40 * 41 * var obj = {}; 42 * obj.a = 'beep'; 43 * obj.b = 'boop'; 44 * obj.c = 'beep'; // inserted after `a` 45 * 46 * out = invert( obj, { 47 * 'duplicates': false 48 * }); 49 * // returns { 'beep': 'c', 'boop': 'b' } 50 */ 51 52 // MODULES // 53 54 var invert = require( './object_inverse.js' ); 55 56 57 // EXPORTS // 58 59 module.exports = invert;