Troubleshooting a factory method error in AngularJS

I just started learning angularjs and I'm having trouble with calling a function in a factory. The error message I am receiving is as follows:

Error: [$injector:undef] Provider 'todoStorage' must return a value from $get factory method.

Here is my factory code:

todomvc.factory('todoStorage', function ($q,$http) {
var STORAGE_ID = 'todos-angularjs-perf';

 function get(){
            var promise = $q.defer();

            $http.get('http://localhost/test.php').success(function(data){
                    promise.resolve(data);
            });

            return promise.promise;
        }

});

This is how I am trying to call the function:

var todos = $scope.todos = todoStorage.get();

I would like to understand what exactly is causing this error to occur? Can someone please explain?

javascriptangularjsscopefactory

Answer №1

taskList.factory('listService', function ($q,$http) {
var STORAGE_ID = 'tasks-angularjs-perf';

 function retrieveData(){

   return $http.get('http://localhost/data.php');
 }

 return{retrieveData:retrieveData};

});

//Use the service like this
listService.retrieveData().then(function(response){
  $scope.tasks = response.data;
});

Your code needs to properly define and return the Javascript object for it to be a valid factory. Make sure your external code can access the internal functions.

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