Actual highlights nothing to do with the ones in screenshot:
Your screenshot:

When i installed, on a .tsx file with treesitter enabled:

It looks very dim compared to your screenshot, why?
Just to confirm, have you installed the TypeScript parser with :TSInstall typescript?
It may also be that you have conflicting syntax highlighting plugins like leafgarland/typescript-vim or HerringtonDarkholme/yats.vim. If so it might be worth uninstalling those to verify that that fixes things.
Definitely because you don't have treesitter running in that buffer
Definitely because you don't have treesitter running in that buffer
I have, and i literally wrote that. With treesitter enabled it looks like the second image i posted.
Just to confirm, have you installed the TypeScript parser with
:TSInstall typescript?It may also be that you have conflicting syntax highlighting plugins like
leafgarland/typescript-vimorHerringtonDarkholme/yats.vim. If so it might be worth uninstalling those to verify that that fixes things.
Yes, i do have it installed and i don't have any other plugin that conflitcs with the syntax highlighting.
The file still looks like it has no treesitter enabled.
What happens when you do :TSBufToggle highlight? Either way, you need to fix your treesitter first.
You get any errors anywhere? Can you show your treesitter setup?