12345678910111213141516171819202122232425262728293031 |
-
-
- 'use strict';
-
- var isDescriptor = require('is-descriptor');
-
- module.exports = function defineProperty(obj, prop, val) {
- if (typeof obj !== 'object' && typeof obj !== 'function') {
- throw new TypeError('expected an object or function.');
- }
-
- if (typeof prop !== 'string') {
- throw new TypeError('expected `prop` to be a string.');
- }
-
- if (isDescriptor(val) && ('set' in val || 'get' in val)) {
- return Object.defineProperty(obj, prop, val);
- }
-
- return Object.defineProperty(obj, prop, {
- configurable: true,
- enumerable: false,
- writable: true,
- value: val
- });
- };
|