Angular Scope Share in module

NavbarCtrl.coffee

angular.module('vc.controllers', ['vc.scopes'])
.controller 'NavbarController', ['$scope', '$location', 'NavbarScope', ($scope, $location, NavbarScope) ->
  $scope.breadcrumbsMenu = NavbarScope.data.breadcrumbs

  $scope.$on 'navbarScopeUpdated', () ->
    $scope.breadcrumbsMenu = NavbarScope.data.breadcrumbs

NavbarScope.coffee

'use strict';

angular.module('vc.scopes')
.factory 'NavbarScope', ['$rootScope', ($rootScope) ->
  class NavbarScope
    methods = ['breadcrumbs']

    methods.forEach (method) ->
      NavbarScope[method] = (value) ->
        @data[method] = value
        $rootScope.$broadcast('navbarScopeUpdated')

    @data = {
      breadcrumbs: []
    }
]

SomeCtrl.coffee

angular.module('vc.controllers')
.controller 'SomeCtrl', ['$scope', '$location', 'NavbarScope', ($scope, $location, NavbarScope) ->
  NavbarScope.breadcrumbs [{uri: '#/', name: 'Some Breadcrumb'}]