1 var $ = require('../internals/export');
2 var FREEZING = require('../internals/freezing');
3 var fails = require('../internals/fails');
4 var isObject = require('../internals/is-object');
5 var onFreeze = require('../internals/internal-metadata').onFreeze;
7 var nativeFreeze = Object.freeze;
8 var FAILS_ON_PRIMITIVES = fails(function () { nativeFreeze(1); });
10 // `Object.freeze` method
11 // https://tc39.github.io/ecma262/#sec-object.freeze
12 $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
13 freeze: function freeze(it) {
14 return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;