The same as in question I wonder if it is possible to use:
socket-io-client: https://www.npmjs.com/package/socket.io-client
with uWebsockets.js server: https://github.com/uNetworking/uWebSockets
Personally, I think that it can be problematic but maybe there are some methods how to do it.
Yes! This is now possible after socket.io
v4.4.0
Read more here