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'use strict';var $ = require('../internals/export');var bind = require('../internals/function-bind-context');var aMap = require('../internals/a-map');var MapHelpers = require('../internals/map-helpers');var iterate = require('../internals/map-iterate');
var Map = MapHelpers.Map;var set = MapHelpers.set;
// `Map.prototype.mapValues` method
// https://github.com/tc39/proposal-collection-methods
$({ target: 'Map', proto: true, real: true, forced: true }, { mapValues: function mapValues(callbackfn /* , thisArg */) { var map = aMap(this); var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined); var newMap = new Map(); iterate(map, function (value, key) { set(newMap, key, boundFunction(value, key, map)); }); return newMap; }});
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