Show HN: Joyride: script VSCode like Emacs but using Clojure
That looks promising, but I have a feeling that vscode doesn't offer as much options to hook into the editor as emacs does. E.g., one of the first emacs scripts I wrote added the next number to the current line. It contains something like    (insert (number-to-string (setq counter (+ 1 counter))))

Is that kind of thing possible too?