bug#66646: 29.1.90; No tsx syntax highlithting in typescript-ts-mode

[Roman Rudakov]

Eli Zaretskii <eliz@gnu.org> writes:

> > From: Roman Rudakov <rrudakov@fastmail.com>
> > Cc: 66646@debbugs.gnu.org
> > Date: Fri, 20 Oct 2023 15:17:01 +0200
> >
> > > I cannot reproduce this.  I used a random *.tsx file on my 
> > > system,
> > > and
> > > didn't get any error.  So please post the file you used, and also
> > > describe step by step what to do to reproduce the problem 
> > > starting
> > > from "emacs -Q".
> > >
> > > Thanks.
> >
> > After some debugging I figured out that it can be only reproduced 
> > when
> > `eglot-ensure` is added to `typescript-ts-mode-hook` and
> > `tsx-ts-mode-hook`. So, steps to reproduce are the following:
> > - Optionally install `typescript-language-server` (if it's not
> >   installed there will be eglot error, but the original issue will
> >   still be reproducible).
> > - `emacs -Q`
> > - evaluate the following:
> >
> > (require 'typescript-ts-mode)
> > (require 'eglot)
> > (add-hook 'typescript-ts-mode-hook #'eglot-ensure)
> > (add-hook 'tsx-ts-mode-hook #'eglot-ensure)
> >
> > - open attached tsx file.
>
> Thanks, but in that case I cannot debug this because I don't have a
> Typescript LSP server installed.  Someone else will need to do that.
>
> Adding João in case he has some inputs or suggestions.

As I mentioned, having language server installed is not necessary. I 
was able to reproduce the problem without it. Eglot will just print an 
error to the *Messages* buffer, but the problem with syntax 
highlighting should still be reproducible.
--
Best regards, Roman