Deprecate @types/prettier since v3.0.0

[kachkaev]

• Use a meaningful title for the pull request. Include the name of the package modified.
• Test the change in your own code. (Compile and run.)
• Add or edit tests to reflect the change.
• Follow the advice from the readme.
• Avoid common mistakes.
• Run npm test <package to test>.

If removing a declaration:

• If a package was never on Definitely Typed, you don't need to do anything. (If you wrote a package and provided types, you don't need to register it with us.)
• Delete the package's directory.
• Add it to notNeededPackages.json.

Context

• Moves @types/prettier to this repository prettier/prettier#14212
• Announcement in v3.0 blog post
• prettier@3.0.0 on unpkg

Steps

git clone https://github.com/DefinitelyTyped/DefinitelyTyped.git --sparse --filter=blob:none --depth=10
cd DefinitelyTyped
git sparse-checkout add types/prettier
git sparse-checkout add scripts
npm run not-needed -- prettier 3.0.0

## create branch, commit and push

## https://github.com/DefinitelyTyped/DefinitelyTyped/pull/66073#discussion_r1264381682

## push one more time

[kachkaev]

👋 folks, I might need some advice here. The catalog contains two packages which depend on prettier: babel-plugin-tester and pretty-quick. If we remove types/prettier, tests start failing in them.

We can upgrade prettier to v3 in the whole repo, but that can create a massive diff. Happy to do that if that’s the only way forward, but what if there are other ways to make CI for babel-plugin-tester and pretty-quick happy?

UPD: Possibly fixed in 9dff4fd

[typescript-bot]

@kachkaev Thank you for submitting this PR!

This is a live comment which I will keep updated.

This PR touches some part of DefinitelyTyped infrastructure, so a DT maintainer will need to review it. This is rare — did you mean to do this?

3 packages in this PR (and infra files)

• babel-plugin-tester — on npm, on unpkg
• prettier (probably deleted!) — on npm, on unpkg
• pretty-quick — on npm, on unpkg
  • owner-approval: @peterblazejewicz
• Infra files
  • notNeededPackages.json

Code Reviews

Because this is a widely-used package, a DT maintainer will need to review it before it can be merged.

You can test the changes of this PR in the Playground.

Status

• ✅ No merge conflicts
• ✅ Continuous integration tests have passed
• ✅ A DT maintainer needs to approve changes which affect DT infrastructure (notNeededPackages.json)

All of the items on the list are green. To merge, you need to post a comment including the string "Ready to merge" to bring in your changes.

---

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[typescript-bot]

🔔 @ifiokjr @mathieutu @ikatyang @ffflorian @sosukesuzuki @Shinigami92 @thorn0 @JounQin @shian15810 @marcgibbons @peterblazejewicz — please review this PR in the next few days. Be sure to explicitly select Approve or Request Changes in the GitHub UI so I know what's going on.

[typescript-bot]

@kachkaev The CI build failed! Please review the logs for more information.

Once you've pushed the fixes, the build will automatically re-run. Thanks!

Note: builds which are failing do not end up on the list of PRs for the DT maintainers to review.

[typescript-bot]

@kachkaev One or more reviewers has requested changes. Please address their comments. I'll be back once they sign off or you've pushed new commits. Thank you!

[typescript-bot]

Re-ping @ifiokjr, @mathieutu, @ikatyang, @ffflorian, @sosukesuzuki, @Shinigami92, @thorn0, @JounQin, @shian15810, @marcgibbons, @peterblazejewicz:

This PR has been out for over a week, yet I haven't seen any reviews.

Could someone please give it some attention? Thanks!

[typescript-bot]

@sandersn, @jakebailey, @peterblazejewicz Thank you for reviewing this PR! The author has pushed new commits since your last review. Could you take another look and submit a fresh review?

[typescript-bot]

@sandersn, @jakebailey, @peterblazejewicz Thank you for reviewing this PR! The author has pushed new commits since your last review. Could you take another look and submit a fresh review?

[peterblazejewicz]

LGTM!
@kachkaev thanks!

[typescript-bot]

@kachkaev: Everything looks good here. I am ready to merge this PR (at 5b9263e) on your behalf whenever you think it's ready.

If you'd like that to happen, please post a comment saying:

Ready to merge

and I'll merge this PR almost instantly. Thanks for helping out! ❤️

[typescript-bot]

@sandersn, @jakebailey Thank you for reviewing this PR! The author has pushed new commits since your last review. Could you take another look and submit a fresh review?

[kachkaev]

Ready to merge