15 lines
394 B
JavaScript
15 lines
394 B
JavaScript
'use strict';
|
|
|
|
var $TypeError = require('es-errors/type');
|
|
|
|
// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-leftShift
|
|
|
|
module.exports = function BigIntLeftShift(x, y) {
|
|
if (typeof x !== 'bigint' || typeof y !== 'bigint') {
|
|
throw new $TypeError('Assertion failed: `x` and `y` arguments must be BigInts');
|
|
}
|
|
|
|
// shortcut for the actual spec mechanics
|
|
return x << y;
|
|
};
|