javascript - AngularJS-Array から cookiestore へ

Question

Cookiestore に配列を保存する際に問題が発生しました。後でアクセスできるように、配列を cookiestore に追加しようとしています。JS

angular.module('myApp', ['ngCookies']);
function CartForm($scope, $cookieStore) {
$scope.invoice.items = $cookieStore.get('items');
$scope.addItem = function() {
$scope.invoice.items.push({
    qty: 1,
    description: '',
    cost: 0
 });
$scope.invoice.items = $cookieStore.put('items');
},

 $scope.removeItem = function(index) {
 $scope.invoice.items.splice(index, 1);
 $scope.invoice.items = $cookieStore.put('items');
},

$scope.total = function() {
 var total = 0;
 angular.forEach($scope.invoice.items, function(item) {
     total += item.qty * item.cost;
 })

 return total;
 }
   }