[RFC] Rely on <style> element rather than CSS Modules?

[oliviertassinari]

Summary

Considering the support of stylesheet in React 19 https://react.dev/blog/2024/04/25/react-19#support-for-stylesheets. I wonder if we couldn't rely on this rather than on the emission of a CSS Modules file. The docs: https://react.dev/reference/react-dom/components/style. Maybe this would make the bundlers integration simpler, we would only need to transpile the source.

Examples

No response

Motivation

Simplify the bundler integration. It might mean that we only need to transpile code, like https://react.dev/learn/react-compiler is doing.

Two concerns though:

• CSS is much faster to parse than JavaScript
• This is React only, we would lose other framework support

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[oliviertassinari]

https://github.com/souporserious/restyle?tab=readme-ov-file#how-it-works is doing this.