lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2018/IsExtensible.js
2024-04-26 22:49:34 -06:00

19 lines
504 B
JavaScript

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