If clojure and clj were able to specify path to deps.edn with such an option as --deps, planck could make use of this option through its plk executable. So, both clojure and clojurescript obtain a way to easily edit dependencies for each clojure(script) script.
Unfortunately, -Sdeps "$(cat path/to/file/edn)" suffers from the fact that I have to specify an absolute path to edn if I wanted to call the script anywhere.
I guess it would be better to specify -Sdeps for each dependency.