Disclaimer: I don't use Rails or Ruby. Wouldn't including CoffeeScript create a new dependency on Java (to run in Rhino or what not) or Node.js? How is the Cof

Disclaimer: I don't use Rails or Ruby. Wouldn't including CoffeeScript create a new dependency on Java (to run in Rhino or what not) or Node.js? How is the CoffeeScript compiled to JavaScript if this is not the case?