ember-localstorage-with-where-adapter
v1.0.2
Published
Store your Ember application data in LocalStorage, and query it with where clauses
Downloads
2
Readme
Ember-localstorage-adapter - with a where clause evaluator
This is a fork of the original Ember-localstorage-adapter. The only difference is that it evaluates a where clause when a query is run like so:
store.query('list', 'where name in ["Rambo", "Macgyver"]')
instead of evaluating against a regular expression:
store.query('list', {name: 'Rambo|Macgyver'})
See where-clause-evaluate at https://github.com/bvellacott/where-clause-evaluate and https://www.npmjs.com/package/where-clause-evaluate for details of the where clause evaluation
Store your ember application data in localStorage.
Compatible with Ember Data 1.13 and above.
NOTE: New versions of the localStorage
adapter are no longer compatible
with older versions of Ember Data. For older versions, checkout the pre-beta
branch.
Usage
Include this addon in your app with ember install ember-localstorage-adapter
and then like all adapters and serializers:
// app/serializers/application.js
import { LSSerializer } from 'ember-localstorage-adapter';
export default LSSerializer.extend();
// app/adapters/application.js
import LSAdapter from 'ember-localstorage-adapter';
export default LSAdapter.extend({
namespace: 'yournamespace'
});
Local Storage Namespace
All of your application data lives on a single localStorage
key, it defaults to DS.LSAdapter
but if you supply a namespace
option it will store it there:
import LSAdapter from 'ember-localstorage-adapter/adapters/ls-adapter';
export default LSAdapter.extend({
namespace: 'my app'
});
Models
Whenever the adapter returns a record, it'll also return all
relationships, so do not use {async: true}
in your model definitions.
Namespace
If your model definition has a url
property, the adapter will store the data on that namespace. URL is a weird term in this context, but it makes swapping out adapters simpler by not requiring additional properties on your models.
const List = DS.Model.extend({
// ...
});
List.reopen({
url: '/some/url'
});
export default List;
Quota Exceeded Handler
Browser's localStorage
has limited space, if you try to commit application data and the browser is out of space, then the adapter will trigger the QUOTA_EXCEEDED_ERR
event.
import DS from 'ember-data';
DS.Store.adapter.on('QUOTA_EXCEEDED_ERR', function(records){
// do stuff
});
DS.Store.commit();
Local Storage Unavailable
When localStorage
is not available (typically because the user has explicitly disabled it), the adapter will keep records in memory. When the adapter first discovers that this is the case, it will trigger a persistenceUnavailable
event, which the application may use to take any necessary actions.
adapter.on('persistenceUnavailable', function() {
// Maybe notify the user that their data won't live past the end of the current session
});
License & Copyright
Copyright (c) 2012 Ryan Florence MIT Style license. http://opensource.org/licenses/MIT
Running
ember server
- Visit your app at http://localhost:4200.
Running Tests
npm test
(Runsember try:testall
to test your addon against multiple Ember versions)ember test
ember test --server
Building
ember build
For more information on using ember-cli, visit http://www.ember-cli.com/.