[Bug]: The merging logic of the generator options is missing

[inottn]

System Info

System:
OS: macOS 14.2
CPU: (8) arm64 Apple M1
Memory: 79.72 MB / 8.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 22.3.0 - ~/.nvm/versions/node/v22.3.0/bin/node
npm: 10.8.1 - ~/.nvm/versions/node/v22.3.0/bin/npm
pnpm: 9.15.0 - ~/.nvm/versions/node/v22.3.0/bin/pnpm
Browsers:
Chrome: 131.0.6778.206
Safari: 17.2

Details

If a module's type is asset/resource, then its generator options should be merged with the generator options for the asset type. This also holds true for types such as css/module. The differences between webpack and rspack outputs can be seen in the linked reproduction repo.

Reproduce link

https://github.com/inottn/merge-global-generator

Reproduce Steps

1. clone reproduction repo
2. pnpm install
3. pnpm run build