16 lines
549 B
JavaScript
16 lines
549 B
JavaScript
'use strict';
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var $ = require('../internals/export');
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var sameValueZero = require('../internals/same-value-zero');
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var aMap = require('../internals/a-map');
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var iterate = require('../internals/map-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(aMap(this), function (value) {
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if (sameValueZero(value, searchElement)) return true;
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}, true) === true;
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}
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});
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