define a module with `class` in coffeescript

module_and_class.coffee

class @MyModule
  @init: ->
    alert "Init MyModule"
    return
 
MyModule.init()


class MyClass
  constructor: (name) ->
    @name = name

  init: ->
    alert @name
    return

myClass = new MyClass("Lucas")
myClass.init()

module_and_class.js

var MyClass, myClass;

this.MyModule = (function() {
  function MyModule() {}

  MyModule.init = function() {
    alert("Init MyModule");
  };

  return MyModule;

})();

MyModule.init();

MyClass = (function() {
  function MyClass(name) {
    this.name = name;
  }

  MyClass.prototype.init = function() {
    alert(this.name);
  };

  return MyClass;

})();

myClass = new MyClass("Lucas");

myClass.init();