Anthony Lio b13d6c2878 feat(chore): add a lint ratchet for shadcn rules (#51014)
## Problem

shadcn lint rules has been soft landed in #50676 and are now on as
warnings in every app, but nothing stops a PR from adding new violations

linear: FE-4473

## Solution

- moved the ratchet script and its tests from `apps/studio/scripts` to
`packages/eslint-config-supabase` so every app runs one copy
- added a shared rule list,
`packages/eslint-config-supabase/ratchet-rules.json` with the shadcn
rules
- www, docs, design-system, ui-library and learn get `lint-ratchet.yml`
with one job per changed app (triggered by the app, `packages/**` or the
lockfile) + a weekly `lint-ratchet-decrease.yml` (as for studio ratchet)
- package tests run in `eslint-config-supabase-tests.yml`

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| WWW | [/blog/your-post](https://supabase.com/blog/your-post) |
[/blog/your-post](https://zone-www-dot-com-git-branch-name-supabase.vercel.app/blog/your-post)
| unique phrase from the change |
| Docs |
[/docs/guides/your-page](https://supabase.com/docs/guides/your-page) |
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| unique phrase from the change |
| Studio | [/dashboard](https://supabase.com/dashboard) |
[/dashboard](https://studio-git-branch-name-supabase.vercel.app/dashboard)
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[/design-system](https://design-system-git-branch-name-supabase.vercel.app/design-system)
| unique phrase from the change |
| UI library | [/library](https://supabase.com/library) |
[/library](https://ui-library-git-branch-name-supabase.vercel.app/library)
| unique phrase from the change |
| Knowledge base |
[/kb/guides/your-page](https://supabase.com/kb/guides/your-page) |
[/kb/guides/your-page](https://kb-git-branch-name-supabase.vercel.app/kb/guides/your-page)
| unique phrase from the change |
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<!-- ## Additional context

Optionally add any other context or screenshots.

-->

## Review instructions

1. run `pnpm --filter ./apps/www run lint:ratchet`
2. add `p-[13px]` to a `className` in any www component and run it
again. it fails with `shadcn/no-arbitrary-values` and the file name with
`(+1)`
3. revert change
4. run `pnpm --filter eslint-config-supabase test` and see 6 tests pass
5. in ci, check `Ratchet studio lint checks` and the `ratchet (<app>)`
jobs for the apps this pr touches

## Checklist

Check all before review:

- [x] I have read
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
- [x] If I wrote a new docs topic or edited an existing topic, I used
the `/write-the-docs` or `/edit-the-docs` skill, which applies the docs
[style
guide](https://github.com/supabase/supabase/tree/master/apps/docs/style-guide)


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Developer Improvements**
* Expanded automated lint checks to cover additional apps and shared
package changes.
* Added checks for arbitrary Tailwind values, unknown classes, and raw
colors across supported apps.
* Added automated baseline updates that can open or update a pull
request when lint counts change.
* Added tests for the lint configuration and support for combining
multiple rule files.
* Updated Studio lint notifications to exclude Shadcn rules with
zero-baseline counts.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-10-02 14:13:59 +03:00
2025-06-17 11:08:46 +02:00
2024-01-10 13:34:41 +01:00
2021-07-25 12:45:26 +08:00
2026-09-29 18:32:27 +03:00

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