'use strict';
|
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-isfrozen -- safe
|
var $isFrozen = Object.isFrozen;
|
|
var FORCED = ARRAY_BUFFER_NON_EXTENSIBLE || fails(function () { $isFrozen(1); });
|
|
// `Object.isFrozen` method
|
// https://tc39.es/ecma262/#sec-object.isfrozen
|
$({ target: 'Object', stat: true, forced: FORCED }, {
|
isFrozen: function isFrozen(it) {
|
if (!isObject(it)) return true;
|
if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) === 'ArrayBuffer') return true;
|
return $isFrozen ? $isFrozen(it) : false;
|
}
|
});
|
