Vanilla css not injecting the link tags in remix

[vincent-thomas]

Reproduction

https://github.com/vincent-thomas/remix-vanilla-extract-css-repro

run in dev mode: "bun run dev"

then run in prod mode "bun run build && bun run start"

System Info

System:
    OS: Linux 6.6 NixOS 24.11 (Vicuna) 24.11 (Vicuna)
    CPU: (16) x64 AMD Ryzen 7 5800X 8-Core Processor
    Memory: 23.62 GB / 31.25 GB
    Container: Yes
    Shell: 5.9 - /run/current-system/sw/bin/zsh
  Binaries:
    Node: 22.8.0 - /nix/store/xsrv93rg8vi05k9ig6v9mcvcyn01n6n2-nodejs-22.8.0/bin/node
    npm: 10.8.2 - /nix/store/xsrv93rg8vi05k9ig6v9mcvcyn01n6n2-nodejs-22.8.0/bin/npm
    bun: 1.1.29 - /nix/store/mqzlk40bnhx54by2m4lyyc02syippzad-bun-1.1.29/bin/bun
  npmPackages:
    @remix-run/dev: ^2.12.1 => 2.12.1
    @remix-run/node: ^2.12.1 => 2.12.1
    @remix-run/react: ^2.12.1 => 2.12.1
    @remix-run/serve: ^2.12.1 => 2.12.1
    vite: ^5.1.0 => 5.4.8

Used Package Manager

bun

Expected Behavior

For the vanilla css styles corresponding link tag to be generated into the html in prod mode

Actual Behavior

This is not the case. Vanilla extract generates the css files, but does not inject the link tags in the html files. This has been tested on other vite projects and remix is the only one to fail

[askoufis]

As mentioned in vanilla-extract-css/vanilla-extract#1479, the issue seems to be that remix is stripping side-effect imports for some reason. Regular imports of Vanilla Extract styles are unaffected.

[vincent-thomas]

As mentioned in vanilla-extract-css/vanilla-extract#1479, the issue seems to be that remix is stripping side-effect imports for some reason. Regular imports of Vanilla Extract styles are unaffected.

Yes, and i should add that the package manager should not be relevant for this issue.

[francismanansala]

I think my project is also experiencing this issue. On initial loads the styling for the current page is loaded correctly. When using Remix Links to load another page, the styling is downloaded but not injected. This issue only exists during production build/runs but not during development using 'virtual:remix/server-build'.

[edit]
For more context, the uses https://remix.run/docs/en/main/guides/vite#migrating-a-custom-server