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feat: introduce `tsdown`, support mixed js & ts in codebase

Open 9romise opened this issue 3 months ago • 5 comments

Hi 👋, Vue team!

I've been trying to contribute to eslint-plugin-vue and recently noticed there might be plans to rewrite it in TypeScript, though things seem to have stalled. I’d like to help move this effort forward.

This PR introduces tsdown, a tool that can gradually transform mixed JavaScript/TypeScript codebases into pure JavaScript output. This allows us to incrementally migrate the entire project to TypeScript. I’ve already successfully rewritten several files — it works well.

Going forward, I can split the changes into multiple PRs to make review easier.

If there’s anything you’d like me to adjust in this PR, or if you have any feedback, I’d really appreciate your thoughts! 💚

Related: #2777

9romise avatar Aug 22 '25 01:08 9romise