| 123456789101112131415161718192021222324 | 'use strict';var GetIntrinsic = require('get-intrinsic');var $TypeError = GetIntrinsic('%TypeError%');var ToInt32 = require('../ToInt32');var ToUint32 = require('../ToUint32');var Type = require('../Type');// https://262.ecma-international.org/11.0/#sec-numeric-types-number-leftShiftmodule.exports = function NumberLeftShift(x, y) {	if (Type(x) !== 'Number' || Type(y) !== 'Number') {		throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');	}	var lnum = ToInt32(x);	var rnum = ToUint32(y);	var shiftCount = rnum & 0x1F;	return lnum << shiftCount;};
 |