2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 var keyMirror = function (obj) {
25 if (!(obj instanceof Object && !Array.isArray(obj))) {
26 throw new Error('keyMirror(...): Argument must be an object.');
29 if (obj.hasOwnProperty(key)) {
31 if (val instanceof Object) {
32 ret[key] = keyMirror(obj[key]);
33 } else if(val !== null && val !== undefined){
37 ret[key] = Symbol(key);
41 return Object.freeze(ret);
44 export default keyMirror;