You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
			
				
					21 lines
				
				673 B
			
		
		
			
		
	
	
					21 lines
				
				673 B
			| 
											11 months ago
										 | 'use strict'; | ||
|  | var $ = require('../internals/export'); | ||
|  | var getBuiltIn = require('../internals/get-built-in'); | ||
|  | var anObject = require('../internals/an-object'); | ||
|  | var FREEZING = require('../internals/freezing'); | ||
|  | 
 | ||
|  | // `Reflect.preventExtensions` method
 | ||
|  | // https://tc39.es/ecma262/#sec-reflect.preventextensions
 | ||
|  | $({ target: 'Reflect', stat: true, sham: !FREEZING }, { | ||
|  |   preventExtensions: function preventExtensions(target) { | ||
|  |     anObject(target); | ||
|  |     try { | ||
|  |       var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions'); | ||
|  |       if (objectPreventExtensions) objectPreventExtensions(target); | ||
|  |       return true; | ||
|  |     } catch (error) { | ||
|  |       return false; | ||
|  |     } | ||
|  |   } | ||
|  | }); |