The problem is that node.js doesn't have a good standard library so one must rely on external packages to build even basic apps.

Can you tell us what exactly is missing? A network api? Process execution? IO? Math?

From this we can see a few patterns: https://www.npmleaderboard.org/

Node.js doesn't have good support for regex, handling files, streams, serving static html, routing, operations on lists/dicts.