controllers.coffee

angular.module('gitstats').controller "NavCtrl", ['$scope', '$route',
    class NavCtrl
        constructor: (@scope, @route) ->
            route_to_nav = (path, route) =>
                return if route.redirectTo?
                return unless route.name?
                current_route_name = () => @route.current?.$route?.name
                path: path
                name: route.name
                classes: ->
                    "active" if @name == current_route_name()

            # The navs are built out of the routing table
            # with any redirecting routes or routes without
            # names omitted.
            @scope.navs = (route_to_nav(path, route) for own path, route of @route.routes).filter (r) => r
]

index.html

<ul class="nav" ng-controller="NavCtrl">
  <li ng-repeat="nav in navs" ng-class="nav.classes()">
    <a ng-href="#{{ nav.path }}" >{{ nav.name }}</a>
  </li>
</ul>