Constnium/node_modules/es-abstract/2021/ToBigInt.js
2022-06-23 02:27:43 +02:00

25 lines
631 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $BigInt = GetIntrinsic('%BigInt%', true);
var $asIntN = GetIntrinsic('%BigInt.asIntN%', true);
var $Number = GetIntrinsic('%Number%');
var $SyntaxError = GetIntrinsic('%SyntaxError%');
var ToPrimitive = require('./ToPrimitive');
// https://262.ecma-international.org/11.0/#sec-tobigint
module.exports = function ToBigInt(argument) {
if (!$BigInt) {
throw new $SyntaxError('BigInts are not supported in this environment');
}
var prim = ToPrimitive(argument, $Number);
if (typeof prim === 'number') {
return $asIntN(0, prim);
}
return $BigInt(prim);
};