备忘录添加了fid

yz3456

2024-05-10 fbec0a50ff9a4e4afb5ac7cbb965020acb9db2c7

1
2
3
4
5
6
7
8
9
'use strict';
var $ = require('../internals/export');
var emplace = require('../internals/map-emplace');
 
// `WeakMap.prototype.emplace` method
// https://github.com/tc39/proposal-upsert
$({ target: 'WeakMap', proto: true, real: true, forced: true }, {
  emplace: emplace
});