AngularJS : Capture and console log all broadcasts

config.js

.config(function($provide) {
  $provide.decorator("$rootScope", function($delegate) {
    var Scope = $delegate.constructor;
    var origBroadcast = Scope.prototype.$broadcast;
    var origEmit = Scope.prototype.$emit;

    Scope.prototype.$broadcast = function($scope) {
      console.log("$broadcast was called on $scope " + $scope.$id + " with arguments:",
                         arguments);
      return origBroadcast.apply(this, arguments);
    };
    Scope.prototype.$emit = function($scope) {
      console.log("$emit was called on $scope " + $scope.$id + " with arguments:",
                         arguments);
      return origEmit.apply(this, arguments);
    };
    return $delegate;
  });
});