Angular current navigation highlight

active_nav.coffee

'use strict'

app = angular.module 'app', []
app.run(($scope, $location)->
        $scope.isActive = (path)->
          if ($location.path().substr(0, path.length) is path)
            if (path is "/" && $location.path() is "/")
              return true
            if (path is "/")
              return false
            return true
          else
            return false
        return
      )

active_nav.js

(function() {
  'use strict';

  var app;
  app = angular.module('app', []);
  app.run(function($scope, $location) {
          $scope.isActive = function(path) {
            if ($location.path().substr(0, path.length) === path) {
              if (path === "/" && $location.path() === "/") {
                return true;
              }
              if (path === "/") {
                return false;
              }
              return true;
            } else {
              return false;
            }
         };
     });
});