Is it possible to create a custom theme that can be applied to both Rails and React libraries? about primitives HOT 2 CLOSED

Tagging in @primer/reviewers to get this on the radar of our First Responders 😄

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Is it possible to create a custom theme that can be applied to both Rails and React libraries?

Yes, but I would start with saying Primer is built for GitHub first, so it might not be very straightforward to customise it for another brand.

That said, primer/view-components (rails) depends on primer/css for styling.

Both primer/css and primer/react depend on primer/primitives for theme tokens. Refer to this chart. (some of the tokens are imported from primitives, while some are kept in sync with primitives)

For use outside of GitHub, you could fork primer/primitives, create a new theme, build it to get the artefacts and use the custom theme with primer/css for primer/view-components and in primer/react. For primer/css, you could also take the path of overriding css variables instead of maintaining a fork of primitives.

Once again, it's not built with this use case in mind, but it might just work out!

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