| var $ = require('../internals/export'); |
| var DESCRIPTORS = require('../internals/descriptors'); |
| var anObject = require('../internals/an-object'); |
| var toPrimitive = require('../internals/to-primitive'); |
| var definePropertyModule = require('../internals/object-define-property'); |
| var fails = require('../internals/fails'); |
| |
| // MS Edge has broken Reflect.defineProperty - throwing instead of returning false |
| var ERROR_INSTEAD_OF_FALSE = fails(function () { |
| // eslint-disable-next-line no-undef |
| Reflect.defineProperty(definePropertyModule.f({}, 1, { value: 1 }), 1, { value: 2 }); |
| }); |
| |
| // `Reflect.defineProperty` method |
| // https://tc39.github.io/ecma262/#sec-reflect.defineproperty |
| $({ target: 'Reflect', stat: true, forced: ERROR_INSTEAD_OF_FALSE, sham: !DESCRIPTORS }, { |
| defineProperty: function defineProperty(target, propertyKey, attributes) { |
| anObject(target); |
| var key = toPrimitive(propertyKey, true); |
| anObject(attributes); |
| try { |
| definePropertyModule.f(target, key, attributes); |
| return true; |
| } catch (error) { |
| return false; |
| } |
| } |
| }); |