index.coffee

controller.coffee

module.exports = class Controller
  
  @relationships = []

  constructor: (req, res) ->
    # nothing to do here..
  
  @belongs_to: (klass) ->
    @relationships.push klass

gistfile1.coffee

Controller = require './controller'
Monkey = require './monkey'

console.log Monkey.relationships

monkey.coffee

Controller = require './controller'
module.exports = class Monkey extends Controller
  
  @belongs_to "Something"
  
  index: ->
    string = 'tes'