main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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File size:
394 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var $TypeError = require('es-errors/type');
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| 4 |
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| 5 | var callBound = require('call-bind/callBound');
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| 6 |
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| 7 | var $keyFor = callBound('Symbol.keyFor', true);
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| 8 |
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| 9 | // https://262.ecma-international.org/14.0/#sec-keyforsymbol
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| 10 |
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| 11 | module.exports = function KeyForSymbol(sym) {
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| 12 | if (typeof sym !== 'symbol') {
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| 13 | throw new $TypeError('Assertion failed: `sym` must be a Symbol');
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| 14 | }
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| 15 | return $keyFor(sym);
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| 16 | };
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