is clj a kind of leiningen replacement ?

Yes and no. clj (and clojure) is the official CLI from the Nubank/Cognitect/Clojure-core team. It lets you run Clojure programs (and REPLs).

Leiningen also lets you run Clojure programs and REPLs but also includes stuff to build JAR and uberjar files and run tests and so on.

The Clojure CLI supports all of that (and more) through additional simple tools/libraries that you add as dependencies (similar to how you would add plugins to Leiningen).

See the list of available tools here https://github.com/clojure/tools.deps.alpha/wiki/Tools

At work, we started with Leiningen back in 2011 because that was the only option. We switched completely to Boot in 2015 and completely to the new CLI/`deps.edn` tooling in 2018 and we've been very happy with that choice.

I think the Clojure CLI is much, much better for beginners to get up and running with. It's much simpler than Leiningen (even if it isn't perhaps as easy).

As a taste of what you can do with the CLI/`deps.edn`, see my https://github.com/seancorfield/dot-clojure or John Stevenson's https://github.com/practicalli/clojure-deps-edn

Does that help @benoit.caccinolo?

From a getting started point of view, lein new app foo.bar will produce a simple application that you can lein run and lein test etc (and lein uberjar too). With the Clojure CLI, you need to use https://github.com/seancorfield/clj-new (which is also made available as part of https://github.com/seancorfield/dot-clojure ), but then you can do clojure -A:new app foo.bar to produce a simple application that you can clojure -m foo.bar to run, clojure -A:test to run tests, and clojure -A:uberjar to build an uber-JAR file. So it requires a little more setup than Leiningen but can do everything the same otherwise.

Hi guys, is there any tool like prettier but for clojure/clojurescript? 🙂