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

18 lines
472 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var Type = require('../Type');
// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-leftShift
module.exports = function BigIntLeftShift(x, y) {
if (Type(x) !== 'BigInt' || Type(y) !== 'BigInt') {
throw new $TypeError('Assertion failed: `x` and `y` arguments must be BigInts');
}
// shortcut for the actual spec mechanics
return x << y;
};