java -cp cljs.jar:src clojure.main build.clj

Exception in thread "main" java.io.FileNotFoundException: src (Nie ma takiego pliku ani katalogu), compiling:(/home/kuba/projects/jcubic/src/hello_world/build.clj:3:1)

(require 'cljs.build.api)

(cljs.build.api/build "src" {:output-to "out/main.js"})