jiangping
2025-07-15 da5a270302880181d5c7fe790d9c024215aa9ef1
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'use strict';
// TODO: remove from `core-js@4`
var $ = require('../internals/export');
var upsert = require('../internals/map-upsert');
 
// `Map.prototype.updateOrInsert` method (replaced by `Map.prototype.emplace`)
// https://github.com/thumbsupep/proposal-upsert
$({ target: 'Map', proto: true, real: true, name: 'upsert', forced: true }, {
  updateOrInsert: upsert
});