michael-brade

function extendComponent(constructor) {
  // Don't do anything if the constructor already extends Component
  if (constructor.prototype instanceof Component)
    return;

  // Otherwise, add an instance of Component to its prototype chain
  var c = constructor.prototype;
  for (var p = Object.getPrototypeOf(c); p !== Object.prototype && p !== Function.prototype; p = Object.getPrototypeOf(c)) {
    c = p;
  }

michael-brade

    # a simple function, but this will make real-time updates impossible
    # it also causes DerbyJS to create new components with every keystroke

    # get all subitems in item.attr -- and dereference them if needed
    subitems: (item, attr) ->
        data = item[attr.id]
        return [] if not data

        if not attr.multi
            data = [data]