print-broadcasts.js

angular.module('print-broadcasts', []).config(['$provide', function ($provide) {
  $provide.decorator('$rootScope', function ($delegate) {
    var _emit = $delegate.$emit;
    var _broadcast = $delegate.$broadcast;

    $delegate.$emit = function () {
      console.log("[$emit] " + arguments[0] + " (" + JSON.stringify(arguments) + ")");
      return _emit.apply(this, arguments);
    };

    $delegate.$broadcast = function () {
      console.log("[$broadcast] " + arguments[0] + " (" + JSON.stringify(arguments) + ")");
      return _broadcast.apply(this, arguments);
    };

    return $delegate;
  });
}]);