"untitled" buffer opened when writing new ts/tsx file

[GitSquared]

What happens

When I :w a new buffer to a .ts (or .tsx) file, it creates a hidden ^untitled buffer and keeps re-opening it until I restart Coc.

What i would expect

I use hidden buffers to work on multiple files at a time. This unclosable buffer clutters my workspace and seems to be unused anyway (nothing to see in it). I would expect that tsserver doesn't create it.

Demo

(what happens in the gif: I save a new, empty buffer as a .ts file. Coc-tsserver kicks in, and for some reason opens the hidden buffer. I try to close it and go back to my .ts file, but tsserver opens it again.)

Logs

CocCommand tsserver.openTsServerLog CocCommand workspace.showOutput tsserver

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Thanks for your help!

[GitSquared]

Thanks for the fix, all good now.