Here's some links that should help. Not sure there's a single page out there that has this information catalogued clearly.
- uv.h defines most (all?) of them with a brief description. I think this is the best link I found in my brief github search.
- uv-errno.h lists most of the UV error codes. libuv is the cross-platform async I/O library node uses.
- How libuv maps windows system errors to uv errors
- the node_constants.cc file has a bunch more