Install CoffeeScript with npm install -g coffee-script.
Clone 4chan X.
cd into it and build with cake build.
For development (continuous builds), run cake dev &. Kill the process with killall node.
Releasing
Upgrade version with cake -v VERSION upgrade. Note that this is only used to
release new 4chan x versions, and is not needed or wanted in pull requests.
Contributing
Edit the CoffeeScript source
Build the JavaScript
If the edits affect regular users, edit the changelog