Update to peggy v4.0.0

[hildjj]

See release notes here: https://github.com/peggyjs/peggy/releases/tag/v4.0.0

There are a few breaking changes that are likely to hit ts-pegjs. I'm happy to help. Please ping me on the Peggy Discord if you want to chat back and forth.

[pjmolina]

Thank you @hildjj
I will do!

[Josef-Friedrich]

Any progress? I would be very happy about an update ...

[hildjj]

As a side note, Peggy 4.1 adds support for generating hacked-up .d.ts files next to your .js output with the --dts flag. It's not good, it doesn't do type checking in any way, and it is in no way a replacement for ts-pegjs.

However, it's benn enough to unlock a typescript workflow for me in a couple of projects that need newer Peggy features.

[Josef-Friedrich]

I use the --dts feature already ... Thank you very much for this feature!

Node wants ./relative-import.js inside the generate parser files in js ... Vitest wants ./relative-import (without extensions) ... maybe I m doing something wrong ...

[hildjj]

This isn't the place to debug that. Can you either hop on the Peggy discord (get invite at https://peggyjs.org) or file a bug on Peggy, please?