backbone.localstorage
v2.1.0
Published
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Backbone localStorage Backend
An adapter that replaces Backbone.sync
to save to window.localStorage
instead of to the server.
Note Backbone LocalStorage v2 changes the API to work more with ES6 modules. See Upgrade Notes for more details.
Usage
Import backbone.localstorage
and attach it to your models and collections:
import {Collection, Model} from 'backbone';
import {LocalStorage} from 'backbone.localstorage';
const SomeCollection = Collection.extend({
localStorage: new LocalStorage('SomeCollection'), // Uniquely identify this
});
const SomeModel = Model.extend({
localStorage: new LocalStorage('SomeModel')
});
To synchronise with the server, you can pass the ajaxSync
flag to any options:
const myModel = new SomeModel();
myModel.fetch({
ajaxSync: true // Fetches from the server
});
myModel.save({
new: "value"
}, {
ajaxSync: true // Pushes back to the server
});
Upgrade Notes
Backbone LocalStorage is now built using ES6. It should be fully compatible with
v1 with one difference: Instead of exporting the LocalStorage
class as a
default module, v2 exports it as a named variable. Below are examples covering
the changes:
JavaScript ES5
In v1:
var LocalStorage = require('backbone.localstorage');
In v2:
var localStorage = require('backbone.localstorage');
var LocalStorage = localStorage.LocalStorage;
JavaScript ES6+
In v1:
import LocalStorage from 'backbone.localstorage';
In v2:
import {LocalStorage} from 'backbone.localstorage';
Contributing
Install NodeJS and run yarn
or npm i
to get your dependencies, then:
- Open an issue identifying the fault
- Provide a fix, with tests demonstrating the issue
- Run
npm test
- Create a pull request
Acknowledgments
- Mark Woodall: Initial tests (now refactored)
- Martin Häcker: Many fixes and the test isolation