'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); | |
}; |