An AngularJS module that makes Web Storage working in the Angular Way. Contains two services: $localStorage and $sessionStorage.
No Getter 'n' Setter Bullshit - Right from AngularJS homepage: "Unlike other frameworks, there is no need to [...] wrap the model in accessors methods. Just plain old JavaScript here." Now you can enjoy the same benefit while achieving data persistence with Web Storage.
sessionStorage - We got this often-overlooked buddy covered.
Cleanly-Authored Code - Written in the Angular Way, well-structured with testability in mind.
No Cookie Fallback - With Web Storage being readily available in all the browsers AngularJS officially supports, such fallback is largely redundant.
bower install ngstorage
angular.module('app', [
'ngStorage'
]).controller('Ctrl', function(
$scope,
$localStorage,
$sessionStorage
){});
Pass $localStorage (or $sessionStorage) by reference to a hook under $scope in plain ol' JavaScript:
$scope.$storage = $localStorage;
And use it like you-already-know:
<body ng-controller="Ctrl">
<button ng-click="$storage.counter = $storage.counter + 1">{{$storage.counter}}</button>
</body>
Optionally, specify default values using the
$default()method:$scope.$storage = $localStorage.$default({ counter: 42 });
With this setup, changes will be automatically sync'd between $scope.$storage, $localStorage, and localStorage - even across different browser tabs!
If you're not fond of the presence of $scope.$storage, you can always use watchers:
$scope.counter = $localStorage.counter || 42;
$scope.$watch('counter', function() {
$localStorage.counter = $scope.counter;
});
$scope.$watch(function() {
return angular.toJson($localStorage);
}, function() {
$scope.counter = $localStorage.counter;
});
This, however, is not the way ngStorage is designed to be used with. As can be easily seen by comparing the demos, this approach is way more verbose, and may have potential performance implications as the values being watched quickly grow.
Plain ol' JavaScript again, what else could you better expect?
// Both will do
delete $scope.$storage.counter;
delete $localStorage.counter;
This will delete the corresponding entry inside the Web Storage.
If you wish to clear the Storage in one go, use the $reset() method:
$localStorage.$reset();
Optionally, pass in an object you'd like the Storage to reset to:
$localStorage.$reset({ counter: 42 });
You can store anything except those not supported by JSON:
Infinity, NaN - Will be replaced with null.undefined, Function - Will be removed.Just run $ npm install to install dependencies. Then run $ grunt for minification.
Any contribution will be appreciated.
FAQs
localStorage and sessionStorage done right for AngularJS.
We found that ng-storage demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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