clojure

Clojure ecosystem = babashka + clj + lein + shadow-cljs.

Atomic Skills

Skill	Startup	Domain
babashka	10ms	Scripting
clj	2s	JVM REPL
lein	3s	Build tool
shadow-cljs	5s	ClojureScript

Quick Start

# Scripting (fast)
bb -e '(+ 1 2 3)'

# JVM (full)
clj -M -m myapp.core

# Web (ClojureScript)
npx shadow-cljs watch app

deps.edn

{:deps {org.clojure/clojure {:mvn/version "1.12.0"}}
 :aliases {:dev {:extra-paths ["dev"]}
           :test {:extra-deps {lambdaisland/kaocha {:mvn/version "1.0"}}}}}

bb.edn

{:tasks {:build (shell "clj -T:build uber")
         :test (shell "clj -M:test")
         :repl (clojure "-M:dev -m nrepl.cmdline")}}