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10 lines
263 B
JavaScript
10 lines
263 B
JavaScript
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// Exports true if environment provides native `Map` implementation,
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// whatever that is.
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'use strict';
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module.exports = (function () {
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if (typeof Map === 'undefined') return false;
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return (Object.prototype.toString.call(new Map()) === '[object Map]');
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}());
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