| 'use strict'; | 
|   | 
| var GetIntrinsic = require('get-intrinsic'); | 
| var callBound = require('call-bind/callBound'); | 
|   | 
| var $TypeError = GetIntrinsic('%TypeError%'); | 
| var $bigIntValueOf = callBound('BigInt.prototype.valueOf', true); | 
|   | 
| var Type = require('./Type'); | 
|   | 
| // https://262.ecma-international.org/11.0/#sec-thisbigintvalue | 
|   | 
| module.exports = function thisBigIntValue(value) { | 
|     var type = Type(value); | 
|     if (type === 'BigInt') { | 
|         return value; | 
|     } | 
|     if (!$bigIntValueOf) { | 
|         throw new $TypeError('BigInt is not supported'); | 
|     } | 
|     return $bigIntValueOf(value); | 
| }; |