'use strict'; 
 | 
var $ = require('../internals/export'); 
 | 
var isObject = require('../internals/is-object'); 
 | 
var onFreeze = require('../internals/internal-metadata').onFreeze; 
 | 
var FREEZING = require('../internals/freezing'); 
 | 
var fails = require('../internals/fails'); 
 | 
  
 | 
// eslint-disable-next-line es/no-object-preventextensions -- safe 
 | 
var $preventExtensions = Object.preventExtensions; 
 | 
var FAILS_ON_PRIMITIVES = fails(function () { $preventExtensions(1); }); 
 | 
  
 | 
// `Object.preventExtensions` method 
 | 
// https://tc39.es/ecma262/#sec-object.preventextensions 
 | 
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, { 
 | 
  preventExtensions: function preventExtensions(it) { 
 | 
    return $preventExtensions && isObject(it) ? $preventExtensions(onFreeze(it)) : it; 
 | 
  } 
 | 
}); 
 |