--- /dev/null
+var $ = require('../internals/export');
+var anObject = require('../internals/an-object');
+
+var objectIsExtensible = Object.isExtensible;
+
+// `Reflect.isExtensible` method
+// https://tc39.es/ecma262/#sec-reflect.isextensible
+$({ target: 'Reflect', stat: true }, {
+ isExtensible: function isExtensible(target) {
+ anObject(target);
+ return objectIsExtensible ? objectIsExtensible(target) : true;
+ }
+});