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');
-var nativeIsFrozen = Object.isFrozen;
-var FAILS_ON_PRIMITIVES = fails(function () { nativeIsFrozen(1); });
+// eslint-disable-next-line es/no-object-isfrozen -- safe
+var $isFrozen = Object.isFrozen;
+var FAILS_ON_PRIMITIVES = fails(function () { $isFrozen(1); });
// `Object.isFrozen` method
// https://tc39.es/ecma262/#sec-object.isfrozen
-$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
+$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES || ARRAY_BUFFER_NON_EXTENSIBLE }, {
isFrozen: function isFrozen(it) {
- return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
+ if (!isObject(it)) return true;
+ if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) == 'ArrayBuffer') return true;
+ return $isFrozen ? $isFrozen(it) : false;
}
});