fromproject.clj

{:source-path "src/cljs"
                :compiler {:output-to "resources/public/javascripts/main-debug.js"
                           :optimizations :whitespace
                           :pretty-print true}}

repl.cljs

ClojureScript:cljs.user> (clojure-version)
"Error evaluating:" (clojure-version) :as "cljs.user.clojure_version.call(null);\n"
#<TypeError: Cannot call method 'call' of undefined>
TypeError: Cannot call method 'call' of undefined
    at eval at <anonymous> (http://localhost:8080/javascripts/main-debug.js:30965:147)
    at eval at <anonymous> (http://localhost:8080/javascripts/main-debug.js:30965:147)
    at http://localhost:8080/javascripts/main-debug.js:30965:142
    at evaluate_javascript (http://localhost:8080/javascripts/main-debug.js:30978:4)
    at Object.callback (http://localhost:8080/javascripts/main-debug.js:31043:140)
    at [object Object].deliver (http://localhost:8080/javascripts/main-debug.js:28395:13)
    at [object Object].deliver_ (http://localhost:8080/javascripts/main-debug.js:30409:14)
    at Function.messageReceived_ (http://localhost:8080/javascripts/main-debug.js:30003:13)
    at [object Object].handleEvent (http://localhost:8080/javascripts/main-debug.js:24481:26)
    at Object.fireListener (http://localhost:8080/javascripts/main-debug.js:24980:21)
nil
ClojureScript:cljs.user> (+ 1 1 )
2
ClojureScript:cljs.user>