build.sh

cljsc src '{:optimizations :simple :pretty-print true :target :nodejs}' > lib/sample.js

main.js

var sample = require("./sample.js")
exports.core = sample.sample.core

output.txt

$ node lib/sample.js
blargl!

packages.json

{
  "name": "sample",
  "preferGlobal": false,
  "version": "0.9.0",
  "author": "SourceNinja <support@sourceninja.com> (http://www.sourceninja.com/)",
  "description": "a simple sample Node.js application",
  "contributors": [
    "Matt Stump <mstump -at- sourceninja.com>"
  ],
  "repository": {
    "type": "git",
    "url": "git://github.com/SourceNinja/simple-node-sample.git"
  },
  "license": "AGPL",
  "dependencies": {
	  "npm": ">= 1.1.2"
  },
  "devDependencies": {},
  "optionalDependencies": {},
  "engines": {
	  "node": "0.6 || 0.7 || 0.8"
  },
  "homepage": "https://github.com/sourceninja/simple-node-sample",
  "main": "lib/main.js"
}

stage1.cljs

(ns sample.core
  (:require [cljs.nodejs :as node]))

(defn blargl
  []
  (println "blargl!"))

stage2.cljs

(ns sample.core
  (:require [cljs.nodejs :as node]))

(defn blargl
  []
  (println "blargl!"))

(set! *main-cli-fn* blargl)

stage3.cljs

(ns sample.core
  (:require [cljs.nodejs :as node]))

(defn blargl
  []
  (println "blargl!"))

(defn noop [] nil)

(set! *main-cli-fn* noop)

util.cljs

(defn make-js-map
  "makes a javascript map from a clojure one"
  [cljmap]
  (let [out (js-obj)]
    (doall (map #(aset out (name (first %)) (second %)) cljmap))
    out))