| 'use strict'; |
| var $ = require('../internals/export'); |
| var IS_PURE = require('../internals/is-pure'); |
| var anObject = require('../internals/an-object'); |
| var getMapIterator = require('../internals/get-map-iterator'); |
| var sameValueZero = require('../internals/same-value-zero'); |
| var iterate = require('../internals/iterate'); |
| |
| // `Map.prototype.includes` method |
| // https://github.com/tc39/proposal-collection-methods |
| $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, { |
| includes: function includes(searchElement) { |
| return iterate(getMapIterator(anObject(this)), function (key, value, stop) { |
| if (sameValueZero(value, searchElement)) return stop(); |
| }, { AS_ENTRIES: true, IS_ITERATOR: true, INTERRUPTED: true }).stopped; |
| } |
| }); |