isChromeFamily(res: IResult | string): boolean ​

import { isChromeFamily } from 'ua-parser-js/helpers';

const edge = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.2151.58';
const firefox = 'Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0';

let result1 = UAParser(edge);
console.log(isChromeFamily(result1));
// true

let result2 = UAParser(firefox);
console.log(isChromeFamily(result2)); 
// false

import { isChromeFamily } from 'ua-parser-js/helpers';

console.log(isChromeFamily(req.headers['user-agent']));