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- var $ = require('../internals/export');
- var fails = require('../internals/fails');
- var isObject = require('../internals/is-object');
- var nativeIsExtensible = Object.isExtensible;
- var FAILS_ON_PRIMITIVES = fails(function () { nativeIsExtensible(1); });
- // `Object.isExtensible` method
- // https://tc39.github.io/ecma262/#sec-object.isextensible
- $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
- isExtensible: function isExtensible(it) {
- return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false;
- }
- });
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