Update `typescript`

[ChristianMurphy]

Initial checklist

• [x] I read the support docs
• [x] I read the contributing guide
• [x] I agree to follow the code of conduct
• [x] I searched issues and couldn’t find anything (or linked relevant results below)
• [x] If applicable, I’ve added docs and tests

Description of changes

First step towards moving most or all of the types into JSDoc. Previously lack of overloads was a blocker. TypeScript 5 includes overload syntax for JSDoc https://devblogs.microsoft.com/typescript/announcing-typescript-5-0/#overload-support-in-jsdoc

The full migration to JSDoc will be large, this is the first step towards that, ensuring the project still builds on TypeScript 5, and building it with TS5 by default.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (4a94722) 100.00% compared to head (c08667b) 100.00%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #216 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 2 2 Lines 596 596 ========================================= Hits 596 596 ```

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[wooorm]

So this can be merged, and then TS may improve some things later in their project?

[ChristianMurphy]

So this can be merged, and then TS may improve some things later in their project?

That could be an option, thoughts @remcohaszing?

[remcohaszing]

Still this: https://github.com/unifiedjs/unified/pull/216/files#r1140496841

Updating now doesn't give us any benefits. It only means we need to apply a workaround for a regression. I'd rather delay until this regression is fixed upstream, or TypeScript adds new features that do benefit unified.

This is just a dev dependency. It doesn't matter for users.

[wooorm]

What’s the status of this @ChristianMurphy?

[github-actions[bot]]

Hi! This was closed. Team: If this was merged, please describe when this is likely to be released. Otherwise, please add one of the no/* labels.

[ChristianMurphy]

What’s the status of this @ChristianMurphy?

Merged, apparently 🙂