如何在nodejs环境中处理用户代理?

I start to using the package "ua-parser" but the creator is too busy to mantain or commit... the npm ua-parser is outdate, and need to download directly from github. Someone know about other good package like ua-parser that is updated and can be used with expressjs? Or have a way to handle just with expressjs?I start to using the package "ua-parser" but th