You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
19 lines
659 B
19 lines
659 B
var $ = require('../internals/export'); |
|
var getBuiltIn = require('../internals/get-built-in'); |
|
var anObject = require('../internals/an-object'); |
|
var FREEZING = require('../internals/freezing'); |
|
|
|
// `Reflect.preventExtensions` method |
|
// https://tc39.es/ecma262/#sec-reflect.preventextensions |
|
$({ target: 'Reflect', stat: true, sham: !FREEZING }, { |
|
preventExtensions: function preventExtensions(target) { |
|
anObject(target); |
|
try { |
|
var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions'); |
|
if (objectPreventExtensions) objectPreventExtensions(target); |
|
return true; |
|
} catch (error) { |
|
return false; |
|
} |
|
} |
|
});
|
|
|