[Hugos68]

This PR attempts to create twoslash-svelte which is an extension of twoslashthat supports Svelte.

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[Hugos68]

@antfu @orta
A review would be appreiciated, I'm now at a point where I feel confident I have the code working. I was able to copy some code from twoslash-vue as it works similarly (convert source to tsx then typecheck and use sourcemaps to backtrack the original location).

All that's left is tests.

[orta]

From a high level, this looks very cool to me!

[Hugos68]

@dominikg, I might need some help as you're one of the maintainers of svelte2tsx correct?
When compiling the tsx coming from svelte2tsx how can I include the .d.ts files? I've tried many methods but can't find a consistent way where the user can install svelte2tsx and the twoslash-svelte package can use those files.

[ghost]

@dominikg, I might need some help as you're one of the maintainers of svelte2tsx correct?

sorry for not responding sooner. I do not maintain svelte2tsx, @dummdidumm would be the best person to reach out to, you can try #editor-tools-questions on https://svelte.dev/chat

[Hugos68]

No problem, and thanks, will do!

[Hugos68]

@antfu This is ready for review

[PuruVJ]

Side comment, do remember to add svelte to dependencies or peers dependencies or devDependency :)

[Hugos68]

@PuruVJ Good call! Thanks, will do.

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[codecov]

Codecov Report

❌ Patch coverage is 85.60000% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.50%. Comparing base (b85ea15) to head (6384a37).

Files with missing lines	Patch %	Lines
packages/twoslash-svelte/src/index.ts	86.29%	15 Missing and 2 partials ⚠️
packages/twoslash-vue/src/index.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
- Coverage   91.17%   90.50%   -0.67%     
==========================================
  Files          16       17       +1     
  Lines         918     1043     +125     
  Branches      298      332      +34     
==========================================
+ Hits          837      944     +107     
- Misses         77       93      +16     
- Partials        4        6       +2     

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[antfu]

Thanks a lot for the PR, and sorry for the late (very late) review

[Hugos68]

@antfu No problem and thank you! When do you expect this package will release?