I've used Elm a fair bit which is, in many ways, similar (compile-to-JS, statically typed, purely fuctional language). Between expressive types, a REPL, etc., I

I've used Elm a fair bit which is, in many ways, similar (compile-to-JS, statically typed, purely fuctional language). Between expressive types, a REPL, etc., I have never felt compelled to try to debug the generated Javascript.