Inspired by Ember Data, js-data is the model layer you've been craving. It consists of a convenient framework-agnostic, in-memory cache for managing your data, which uses adapters to communicate with various persistence layers.
You can use the http adapter, which is perfect for communicating with your RESTful backend. You could also use the localStorage adapter. On the server you could hook up to the SQL adapter (Postgres/MySQL/MariaDB/SQLite3) and add in the Redis adapter as a caching layer for your read endpoints. More adapters are coming, and you're free to implement your own. View available adapters.
Unlike Backbone and Ember Models, JSData does not require the use of getters and setters, and doesn't wrap your data with custom classes if you don't want it to. JSData's internal change detection (via observe-js or Object.observe in supporting browsers) allows for powerful use cases and an easy avenue for implementing your own 3-way data-binding.
Supporting relations, computed properties, model lifecycle control and a slew of other features, JSData is the tool for giving your data the respect it deserves.
It's also written in ES6. Contributions ftw!
Support is handled via the Mailing List.
Status:
Supported Platforms:
bower install --save js-data js-data-http or npm install --save js-data js-data-http.
Load js-data-http.js after js-data.js. See installation instructions for making js-data part of your r.js/browserify/webpack build.
// you can also require "js-data" if you're using AMD/CommonJS
// e.g. var JSData = require('js-data'); var DSHttpAdapter = require('js-data-http');
var store = new JSData.DS();
// register and use http by default for async operations
store.registerAdapter('http', new DSHttpAdapter(), { default: true });
// simplest model definition
var User = store.defineResource('user');
var Comment = store.defineResource('comment');
var user;
// Example CRUD operations with default configuration
// See http://www.js-data.io/docs/dsfind
User.find(1)
.then(function (_user) {
_user; // { id: 1, name: 'John' }
// See http://www.js-data.io/docs/dsis
User.is(_user); // true
Comment.is(_user); // false
// The user is in the store now
// See http://www.js-data.io/docs/dsget
User.get(_user.id); // { id: 1, name: 'John' }
user = _user;
// No need for another GET request, will resolve immediately
// See http://www.js-data.io/docs/dsfind
return User.find(1);
})
.then(function (_user) {
user === _user; // true
// PUT /user/1 {name:"Johnny"}
// See http://www.js-data.io/docs/dsupdate
return User.update(user.id, { name: 'Johnny' });
})
.then(function (_user) {
// identity mapping at play
user === _user; // true
user === User.get(_user.id); // true
user; // { id: 1, name: 'Johnny' }
user.name = 'Billy';
// PUT /user/1 {id:1,name:"Billy"}
// See http://www.js-data.io/docs/dssave
return User.save(1);
})
.then(function (_user) {
// identity mapping at play
user === _user; // true
user === User.get(_user.id); // true
user; // { id: 1, name: 'Johnny' }
// DELETE /user/1
// See http://www.js-data.io/docs/dsdestroy
return User.destroy(1);
})
.then(function () {
// The user has also been removed from the in-memory store
User.get(1); // undefined
});
All your data are belong to you...
See an issue with or have a suggestion for the documentation? You can suggest edits right on the documentation pages! (There's a link at the top right of each page.)
First, support is handled via the Mailing List. Ask your questions there.
When submitting issues on GitHub, please include as much detail as possible to make debugging quick and easy.
git clone https://github.com/<you>/js-data.gitcd js-data; npm install; bower install;grunt go (builds and starts a watch)grunt karma:dev (runs the tests)The MIT License (MIT)
Copyright (c) 2014-2015 Jason Dobry
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
1.8.0 - 14 April 2015
createInstance will now initialize computed properties (but they won't be updated until the item is injected into the store, or unless you use Instance#set(key, value) to mutate the instance)FAQs
Robust, framework-agnostic in-memory data store.
We found that js-data demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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