1 $scope.$on('%s', function (event) {
  2   var args;
  3   switch (arguments.length) {
  4     case 0:
  5       return;
  6     case 1:
  7       args = null;
  8       break;
  9     case 2:
 10       args = arguments[1].toString();
 11       break;
 12     default:
 13       for (var i = 0; i < arguments.length - 1; i++) {
 14         args[i] = arguments[i + 1];
 15         if (args[i]) {
 16           args[i] = args[i].toString();
 17         }
 18       }
 19   }
 20   window.studioEventEmitter.emit(event.name, args);
 21 });
 22