[Bug]: rspack.experiments.VirtualModulePlugin would cause a removed module log

[SoonIter]

System Info

@rspack/core 1.5.4 1.5.5

Details

 chain
        .plugin('rsbuild-plugin-virtual-module')
        .use(rspack.experiments.VirtualModulesPlugin, [
          {
            './src/virtual-json-list.js': '11;',
          },
        ]);

Reproduce link

https://github.com/rspack-contrib/rsbuild-plugin-virtual-module/tree/syt/virtual-module-issue

Reproduce Steps

1. git clone https://github.com/rspack-contrib/rsbuild-plugin-virtual-module.git

2. git checkout syt/virtual-module-issue

3. cd ./playground

4. npm run dev

[chenjiahan]

Update: This also resulted in an unnecessary rebuild

[Austaras]

This happens because Watcher is trying to watch virtual files, but they don't exist, so Watcher will always return file removed. It's easy to ignore them in Watcher, but I doubt if it's right to impl it as webpack would rebuild too.

[hardfist]

since it's actually a watchpack issue(which doesn't support custom fs) we can only fix it in native-watcher(which should support inputfs)

[h-a-n-a]

Please refrain from using VirtualModulesPlugin for now if you find the log annoying. I'm planning to do a full refactor on the native watcher to support custom FileSystem.