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# jsonapi-datastore [](https://travis-ci.org/beauby/jsonapi-datastore) JavaScript client-side [JSON API](http://jsonapi.org) data handling made easy. Current version is v0.4.0-beta. It is still a work in progress, but should do what it says. ## Description The [JSONAPI](http://jsonapi.org) standard is great for exchanging data (which is its purpose), but the format is not ideal to work directly with in an application. jsonapi-datastore is a JavaScript framework-agnostic library (but an [AngularJS version](#angularjs) is provided for convenience) that takes away the burden of handling [JSONAPI](http://jsonapi.org) data on the client side. What it does: - read JSONAPI payloads, - rebuild the underlying data graph, - allows you to query models and access their relationships directly, - create new models, - serialize models for creation/update. What it does not do: - make requests to your API. You design your endpoints URLs, the way you handle authentication, caching, etc. is totally up to you. ## Installing Install jsonapi-datastore with `bower` by running: ``` $ bower install jsonapi-datastore ``` or with `npm` by running: ``` $ npm install jsonapi-datastore ``` ## Parsing data Just call the `.sync()` method of your store. ```javascript var store = new JsonApiDataStore(); store.sync(data); ``` This parses the data and incorporates it in the store, taking care of already existing records (by updating them) and relationships. ## Parsing with meta data If you have meta data in your payload use the `.syncWithMeta` method of your store. ```javascript var store = new JsonApiDataStore(); store.syncWithMeta(data); ``` This does everything that `.sync()` does, but returns an object with data and meta split. ## Retrieving models Just call the `.find(type, id)` method of your store. ```javascript var article = store.find('article', 123); ``` or call the `.findAll(type)` method of your store to get all the models of that type. ```javascript var articles = store.findAll('article'); ``` All the attributes *and* relationships are accessible through the model as object properties. ```javascript console.log(article.author.name); ``` In case a related resource has not been fetched yet (either as a primary resource or as an included resource), the corresponding property on the model will contain only the `type` and `id` (and the `._placeHolder` property will be set to `true`). However, the models are *updated in place*, so you can fetch a related resource later, and your data will remain consistent. ## Serializing data Just call the `.serialize()` method on the model. ```javascript console.log(article.serialize()); ``` ## Examples ```javascript // Create a store: var store = new JsonApiDataStore(); // Then, given the following payload, containing two `articles`, with a related `user` who is the author of both: var payload = { data: [{ type: 'article', id: 1337, attributes: { title: 'Cool article' }, relationships: { author: { data: { type: 'user', id: 1 } } } }, { type: 'article', id: 300, attributes: { title: 'Even cooler article' }, relationships: { author: { data: { type: 'user', id: 1 } } } }] }; // we can sync it: var articles = store.sync(payload); // which will return the list of synced articles. // Later, we can retrieve one of those: var article = store.find('article', 1337); // If the author resource has not been synced yet, we can only access its id and its type: console.log(article.author); // { id: 1, _type: 'article' } // If we do sync the author resource later: var authorPayload = { data: { type: 'user', id: 1, attributes: { name: 'Lucas' } } }; store.sync(authorPayload); // we can then access the author's name through our old `article` reference: console.log(article.author.name); // 'Lucas' // We can also serialize any whole model in a JSONAPI-compliant way: console.log(article.serialize()); // ... // or just a subset of its attributes/relationships: console.log(article.serialize({ attributes: ['title'], relationships: []})); // ... ``` ## Documentation See [DOCUMENTATION.md](DOCUMENTATION.md). ## What's missing Currently, the store does not handle `links` attributes or resource-level or relationship-level meta. ## Notes ### AngularJS jsonapi-datastore is bundled with an AngularJs wrapper. Just include `ng-jsonapi-datastore.js` in your `index.html` and require the module `beauby.jsonApiDataStore` in your application. You can then use the `JsonApiDataStore` factory, which is essentially defined as follows: ```javascript { store: new JsonApiDataStore(), Model: JsonApiDataStoreModel } ``` so that you can use it as follows: ```javascript angular .module('myApp') .controller('myController', function(JsonApiDataStore) { var article = JsonApiDataStore.store.find('article', 1337); var newArticle = new JsonApiDataStore.Model('article'); newArticle.setAttribute('title', 'My cool article'); console.log(newArticle.serialize()); }); ``` ## Contributing All pull-requests welcome!