21 lines
472 B
JavaScript
21 lines
472 B
JavaScript
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var callBound = require('call-bind/callBound');
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var $keyFor = callBound('Symbol.keyFor', true);
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var Type = require('./Type');
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// https://262.ecma-international.org/14.0/#sec-keyforsymbol
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module.exports = function KeyForSymbol(sym) {
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if (Type(sym) !== 'Symbol') {
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throw new $TypeError('Assertion failed: `sym` must be a Symbol');
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}
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return $keyFor(sym);
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};
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