linwenling
2023-04-25 0a328ceeefff94c84b8978849dd51792c18948f1
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
});