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23 lines
543 B
JavaScript
23 lines
543 B
JavaScript
'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var callBound = require('../helpers/callBound');
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var $TypeError = GetIntrinsic('%TypeError%');
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var $bigIntValueOf = callBound('BigInt.prototype.valueOf', true);
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var Type = require('./Type');
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// https://tc39.es/ecma262/2020/#sec-thisbigintvalue
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module.exports = function thisBigIntValue(value) {
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var type = Type(value);
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if (type === 'BigInt') {
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return value;
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}
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if (!$bigIntValueOf) {
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throw new $TypeError('BigInt is not supported');
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}
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return $bigIntValueOf(value);
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};
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