jQuery Plugin Boilerplate with CoffeeScript

jQuery.plugin.coffee

(($) ->
  self                = null
  local_variable      = null

  private_methods = 
    register_events: ->
      self.bind 'started', -> console.log 'it was started!'
      null

  methods =
    init: (options) ->
      @each ->
        $this = $(this)
        self = $this

        private_methods.register_events()

        if options.awesome?
          console.log 'indeed, it is awesome!'
        $this
    start: ->
      self?.trigger('started')
      self

  $.fn.PLUGIN_NAME = (method) ->
    if methods[method]
      methods[method].apply this, Array::slice.call(arguments, 1)
    else if typeof method is "object" or not method
      methods.init.apply this, arguments
    else
      $.error "Method " + method + " does not exist on jQuery.PLUGIN_NAME"
) jQuery

$(document).ready ->
  $("div").PLUGIN_NAME(awesome: true)
  $("div").PLUGIN_NAME('start')

result.js

/*

  COMPILING ABOVE COFFEESCRIPT WILL RESULT IN THIS JAVASCRIPT CODE

*/



(function($) {
  var local_variable, methods, private_methods, self;
  self = null;
  local_variable = null;
  private_methods = {
    register_events: function() {
      self.bind('started', function() {
        return console.log('it was started!');
      });
      return null;
    }
  };
  methods = {
    init: function(options) {
      return this.each(function() {
        var $this;
        $this = $(this);
        self = $this;
        private_methods.register_events();
        if (options.awesome != null) {
          console.log('indeed, it is awesome!');
        }
        return $this;
      });
    },
    start: function() {
      if (self != null) {
        self.trigger('started');
      }
      return self;
    }
  };
  return $.fn.PLUGIN_NAME = function(method) {
    if (methods[method]) {
      return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
    } else if (typeof method === "object" || !method) {
      return methods.init.apply(this, arguments);
    } else {
      return $.error("Method " + method + " does not exist on jQuery.PLUGIN_NAME");
    }
  };
})(jQuery);
$(document).ready(function() {
  $("div").PLUGIN_NAME({
    awesome: true
  });
  return $("div").PLUGIN_NAME('start');
});