I noticed `websocket.io` is depends on a module called `easy-websocket` which is registered with NPM with description "lain and simple websocket client" but no

I noticed `websocket.io` is depends on a module called `easy-websocket` which is registered with NPM with description "lain and simple websocket client" but no where to be found on Github. Is `websocket.io` what we are supposed to be using as client?