source: frontend/node_modules/core-js-pure/modules/es.reflect.define-property.js

Last change on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 11 days ago

Fix frontend appearance

  • Property mode set to 100644
File size: 1.6 KB
Line 
1'use strict';
2var $ = require('../internals/export');
3var DESCRIPTORS = require('../internals/descriptors');
4var anObject = require('../internals/an-object');
5var toPropertyKey = require('../internals/to-property-key');
6var definePropertyModule = require('../internals/object-define-property');
7var isCallable = require('../internals/is-callable');
8var fails = require('../internals/fails');
9
10var $TypeError = TypeError;
11
12// MS Edge has broken Reflect.defineProperty - throwing instead of returning false
13var ERROR_INSTEAD_OF_FALSE = fails(function () {
14 // eslint-disable-next-line es/no-reflect -- required for testing
15 Reflect.defineProperty(definePropertyModule.f({}, 1, { value: 1 }), 1, { value: 2 });
16});
17
18// `Reflect.defineProperty` method
19// https://tc39.es/ecma262/#sec-reflect.defineproperty
20$({ target: 'Reflect', stat: true, forced: ERROR_INSTEAD_OF_FALSE, sham: !DESCRIPTORS }, {
21 defineProperty: function defineProperty(target, propertyKey, attributes) {
22 anObject(target);
23 var key = toPropertyKey(propertyKey);
24 var get, set;
25 anObject(attributes);
26 // propagate `ToPropertyDescriptor` errors instead of catching them
27 if (('get' in attributes || 'set' in attributes) && (
28 ('get' in attributes && !isCallable(get = attributes.get) && get !== undefined) ||
29 ('set' in attributes && !isCallable(set = attributes.set) && set !== undefined) ||
30 ('value' in attributes || 'writable' in attributes)
31 )) throw new $TypeError('Invalid property descriptor');
32 try {
33 definePropertyModule.f(target, key, attributes);
34 return true;
35 } catch (error) {
36 return false;
37 }
38 }
39});
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