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