| 123456789101112131415161718192021 | 'use strict';var $TypeError = require('es-errors/type');var ToInt32 = require('../ToInt32');var ToUint32 = require('../ToUint32');// https://262.ecma-international.org/11.0/#sec-numeric-types-number-leftShiftmodule.exports = function NumberLeftShift(x, y) {	if (typeof x !== 'number' || typeof 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;};
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