This repo is meant to be as simple as possible, so you won't find any piece of Grunt or Gulp here, instead, you'll find a nice and simple package.json file. Also, this project was generated with the AwesomeProject name by the React Native generator, so you might want to change this name to something more meaningful (I have no idea how to do that).
The scripts that transpile CoffeeScript into Javascript get all the .coffee files under the app/ folder and output the .js files under build/ folder with their respective mappings.
Uses the concurrently start the React Native javascript server and the CoffeeScript watcher simultaneously.
Starts the React Native server a.k.a. react-native start.
Starts the CoffeeScript watcher.
Compile all the .coffee files.
Removes the build/ folder.