Angular Navigation

navigation.js

'use strict';

// var module = angular.module('...', []);
module.service('navigation', function($location) {
  var storage = null;

  return { 
    navigate: function(path, data) {
      storage = {
        path: path,
        data: data
      };
      $location.path(path);
    },
    
    getNavigationData: function() {
      if ((storage == null) || (storage.path != $location.path())) {
        throw 'navigated without passing data';
      }

      var data = storage.data;
      storage = null;
      return data;
    }
  };
};