source: trip-planner-front/node_modules/core-js/internals/map-emplace.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 397 bytes
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1'use strict';
2var anObject = require('../internals/an-object');
3
4// `Map.prototype.emplace` method
5// https://github.com/thumbsupep/proposal-upsert
6module.exports = function emplace(key, handler) {
7 var map = anObject(this);
8 var value = (map.has(key) && 'update' in handler)
9 ? handler.update(map.get(key), key, map)
10 : handler.insert(key, map);
11 map.set(key, value);
12 return value;
13};
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