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'use strict'; var GetIntrinsic = require('get-intrinsic'); var $Object = GetIntrinsic('%Object%'); var isPrimitive = require('../helpers/isPrimitive'); var $preventExtensions = $Object.preventExtensions; var $isExtensible = $Object.isExtensible; // https://ecma-international.org/ecma-262/6.0/#sec-isextensible-o module.exports = $preventExtensions ? function IsExtensible(obj) { return !isPrimitive(obj) && $isExtensible(obj); } : function IsExtensible(obj) { return !isPrimitive(obj); };