node r.js -convert path/to/commonjs/modules/ path/to/output
Solve requireJs Name Conflict
see the [commit](https://github.com/jrburke/requirejs/commit/be45948433b053921dc6a6a57bf06d04e13b3b39)
nomarlly requirejs use require as global variable, and use requirejs if require is already defined by other apps.