bug#59833: 29.0.60; json-ts-mode fontifies everything as string

[Randy Taylor <dev@rjt.dev>]

On Monday, December 5th, 2022 at 06:24, Theodor Thornhill <theo@thornhill.no> wrote:
> 
> 
> Jostein Kjønigsen jostein@secure.kjonigsen.net writes:
> 
> > Hey everyone.
> > 
> > When opening a JSON-file in a build from emacs git emacs-29
> > release-branch, Emacs still defaults to json-mode.
> > 
> > Fontification in json-mode looks correct and proper.
> > 
> > When trying to insteas use json-ts-mode, literally everything is
> > fontified as strings.
> > 
> > When I change the code to disable the string-fontification rule, this
> > yields a buffer where everything is fontified using default-face. That
> > is, no other fontification is taking place.
> > 
> > Have this mode really been tested? Should it be working? Or is there an
> > error on my end?
> > 
> > Could someone else please give json-ts-mode a try?
> 
> 
> Yeah, you are correct. It seems we've had a regression in this commit,
> 0ed313642227afdeccf48057eea458edca9d2962.
> 
> I believe this is the offending commit - what do you think, Randy?
> 
> Specifically the lhs should be fontified differently than the rhs, so
> not everything is a string.
> 
> Do you want to do that, Randy, or should I?
> 
> Theo

Can someone show me an example JSON file that shows this problem? Everything looks the same for me in json-mode and json-ts-mode, except for the json-ts-mode extras (even with Theo's patch) both with my own Emacs config and emacs -Q. I must be doing something very silly.