Output para HelloWorld de Opal.rb

javascript_opal_output.js

/* Generated by Opal 0.5.4 */
(function($opal) {
  var self = $opal.top, $scope = $opal, nil = $opal.nil, $breaker = $opal.breaker, $slice = $opal.slice, $klass = $opal.klass, g = nil;
  $opal.add_stubs(['$capitalize', '$puts', '$new', '$salute']);
  (function($base, $super) {
    function $Greeter(){};
    var self = $Greeter = $klass($base, $super, 'Greeter', $Greeter);

    var def = $Greeter._proto, $scope = $Greeter._scope;
    def.name = nil;
    def.$initialize = function(name) {
      var self = this;
      return self.name = name.$capitalize();
    };

    return (def.$salute = function() {
      var self = this;
      return self.$puts("Hello " + (self.name) + "!");
    }, nil);
  })(self, null);
  g = $scope.Greeter.$new("world");
  return g.$salute();
})(Opal);