There is fennel which compiles into lua. I know there are some people who use fennel almost exclusively, and have some sort of system set up that watches and auto-compiles and sources. I only ever used emac as a basic text editor in the terminal (years ago), so I can't say if this will be sufficient compared to the "real" experience in emacs. Just letting you know in case it is helpful.

edit: I forgot to mention the most important thing, I am talking about using neovim