@arcanis could you plz have a look

in my opinion when the path is inside a zip file, resolver can not normalize that correctly before call zip apis.

For example, xxxxx.zip/node_modules/some-npm/README resolver don't know it is a file or dir, so it can not normalize that then to call file_type api ; or just try both xxxxx.zip/node_modules/some-npm/README and xxxxx.zip/node_modules/some-npm/README/

While I understand the pickle, my problem is that I don't understand (haven't been able to dig too deep yet) why it seems to work in rspack but not in your case.

For instance if we do require('typanion/lib'), it works fine in rspack even without this trailing / - and we don't seem to do anything magic. So I wonder if there's something I forgot that would make this a non-issue.

@arcanis we got an new issue due to the Zip#file_type API.
plz have a look, web-infra-dev/rspack#9967 (comment)