In recent years there has been some improvement with the available tooling with the likes of rebar3[1] and just a few months ago WhatsApp released ELP (Erlang Language Platform)[2] which integrates with your IDE as a language server that provides really nice support when working with Erlang.
[1]: https://www.rebar3.org/
[2]: https://whatsapp.github.io/erlang-language-platform/