[Bug]: bundle `modern-module` with css import stmt: incorrect webpack module map invoking

[PupilTong]

System Info

System: OS: macOS 14.5 CPU: (10) arm64 Apple M1 Max Memory: 756.38 MB / 64.00 GB Shell: 5.9 - /bin/zsh Binaries: Node: 22.3.0 - ~/.local/state/fnm_multishells/97934_1722324495991/bin/node npm: 10.8.1 - ~/.local/state/fnm_multishells/97934_1722324495991/bin/npm pnpm: 9.3.0 - ~/.local/state/fnm_multishells/97934_1722324495991/bin/pnpm Browsers: Chrome: 127.0.6533.120 Safari: 17.5 npmPackages: @rspack/cli: 1.0.0-beta.5 => 1.0.0-beta.5 @rspack/core: 1.0.0-beta.5 => 1.0.0-beta.5

Details

src file:

export const a = 1;
import "./index.css";

configuration:

{
  entry: {
    main: './shell-project/deps/index.ts',
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'www', 'deps'),
    library: {
      type: "modern-module",
    },
    module:true,
    scriptType:'module',
    chunkFormat:'module'
  },
  // mode: 'development',
  module: {
    rules: [
      {
        test: /\.css$/,
        type: 'css/auto',
      },
      {
        test: /\.tsx$|\.ts$/,
        use: {
          loader: 'builtin:swc-loader',
          options: {
            sourceMap: true,
            jsc: {
              parser: {
                syntax: 'typescript',
                jsx: true,
              },
            },
          },
        },
        type: 'javascript/auto',
      },
    ],
  },  
  optimization: {
    minimize: false,
  },  
  experiments: {
    css:true,
    outputModule: true,
  },
};

result:

Reproduce link

No response

Reproduce Steps

provided in the Detail part.

[PupilTong]

Actually using a css file as an entry could reproduce it too.

[fi3ework]

Just tested the reproduction, this will happen not only with module-module, but also with module, and will happen in webpack as well.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. If this issue is still affecting you, please leave any comment (for example, "bump"). We are sorry that we haven't been able to prioritize it yet. If you have any new additional information, please include it with your comment!

[fi3ework]

bump