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
810 B
19 lines
810 B
var $ = require('../internals/export'); |
|
var fails = require('../internals/fails'); |
|
var isObject = require('../internals/is-object'); |
|
var classof = require('../internals/classof-raw'); |
|
var ARRAY_BUFFER_NON_EXTENSIBLE = require('../internals/array-buffer-non-extensible'); |
|
|
|
// eslint-disable-next-line es/no-object-issealed -- safe |
|
var $isSealed = Object.isSealed; |
|
var FAILS_ON_PRIMITIVES = fails(function () { $isSealed(1); }); |
|
|
|
// `Object.isSealed` method |
|
// https://tc39.es/ecma262/#sec-object.issealed |
|
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES || ARRAY_BUFFER_NON_EXTENSIBLE }, { |
|
isSealed: function isSealed(it) { |
|
if (!isObject(it)) return true; |
|
if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) == 'ArrayBuffer') return true; |
|
return $isSealed ? $isSealed(it) : false; |
|
} |
|
});
|
|
|