I had attempted to use Deno not long ago, but I learned that (apparently, I might be wrong) you can only get proper intellisense/error checking support if you're using a VS Code extension. I write my code in Vim/Neovim almost exclusively, and the import declarations really screwed up my TypeScript plugin; it didn't know how to handle the URLs and so I had no intellisense/error checking.

I gave up after searching around for a few minutes and learning that for now I'd need to use VS Code to write Deno code, if I want those features.