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