| 'use strict'; | |
| var callBound = require('call-bound'); | |
| var $SyntaxError = require('es-errors/syntax'); | |
| var $bigIntValueOf = callBound('BigInt.prototype.valueOf', true); | |
| // https://262.ecma-international.org/11.0/#sec-thisbigintvalue | |
| module.exports = function thisBigIntValue(value) { | |
| if (typeof value === 'bigint') { | |
| return value; | |
| } | |
| if (!$bigIntValueOf) { | |
| throw new $SyntaxError('BigInt is not supported'); | |
| } | |
| return $bigIntValueOf(value); | |
| }; |