blob: 0c4c8a60c4705d8313a8576f42d4c95db1a2f44f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $Object = GetIntrinsic('%Object%');
var isPrimitive = require('../helpers/isPrimitive');
var $preventExtensions = $Object.preventExtensions;
var $isExtensible = $Object.isExtensible;
// https://www.ecma-international.org/ecma-262/6.0/#sec-isextensible-o
module.exports = $preventExtensions
? function IsExtensible(obj) {
return !isPrimitive(obj) && $isExtensible(obj);
}
: function IsExtensible(obj) {
return !isPrimitive(obj);
};
|