1 |
3a515b92
|
cagy
|
'use strict';
|
2 |
|
|
|
3 |
|
|
var GetIntrinsic = require('../GetIntrinsic');
|
4 |
|
|
|
5 |
|
|
var $Object = GetIntrinsic('%Object%');
|
6 |
|
|
|
7 |
|
|
var isPrimitive = require('../helpers/isPrimitive');
|
8 |
|
|
|
9 |
|
|
var $preventExtensions = $Object.preventExtensions;
|
10 |
|
|
var $isExtensible = $Object.isExtensible;
|
11 |
|
|
|
12 |
|
|
// https://www.ecma-international.org/ecma-262/6.0/#sec-isextensible-o
|
13 |
|
|
|
14 |
|
|
module.exports = $preventExtensions
|
15 |
|
|
? function IsExtensible(obj) {
|
16 |
|
|
return !isPrimitive(obj) && $isExtensible(obj);
|
17 |
|
|
}
|
18 |
|
|
: function IsExtensible(obj) {
|
19 |
|
|
return !isPrimitive(obj);
|
20 |
|
|
};
|