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2.6.0 • Public • Published


npm version travis

Persistent Redux store for Reasonaboutable™️ Offline-First applications, with first-class support for optimistic UI. Use with React, React Native, or as standalone state container for any web app.

Redux Offline is now being maintained by a community driven team. The new versions of the library will now be available under the npm organization @redux-offline. Big thank you to @jevakallio for creating this amazing library in the first place.

Quick start

1. Install with npm (or Yarn)
For React Native 0.60+
npm install --save @redux-offline/redux-offline@native

For React Native Expo SDK 36

npm install --save @redux-offline/redux-offline@expo

For React Native <= 0.59

npm install --save @redux-offline/redux-offline
2. Add the offline store enhancer with compose
import { applyMiddleware, createStore, compose } from 'redux';
import { offline } from '@redux-offline/redux-offline';
import offlineConfig from '@redux-offline/redux-offline/lib/defaults';
// ...
const store = createStore(
3. Decorate actions with offline metadata
const followUser = userId => ({
  payload: { userId },
  meta: {
    offline: {
      // the network action to execute:
      effect: { url: '/api/follow', method: 'POST', json: { userId } },
      // action to dispatch when effect succeeds:
      commit: { type: 'FOLLOW_USER_COMMIT', meta: { userId } },
      // action to dispatch if network action fails permanently:
      rollback: { type: 'FOLLOW_USER_ROLLBACK', meta: { userId } }

If the effect payload is something other than JSON you can pass the body and headers:

const registerUser = (name, email) => ({
  type: 'REGISTER_USER',
  payload: { name, email },
  meta: {
    offline: {
      // the network action to execute:
      effect: { url: '/api/register', method: 'POST', body: `name=${name}&email=${email}`, headers: { 'content-type': 'application/x-www-form-urlencoded' } },
      // action to dispatch when effect succeeds:
      commit: { type: 'REGISTER_USER_COMMIT', meta: { name, email } },
      // action to dispatch if network action fails permanently:
      rollback: { type: 'REGISTER_USER_ROLLBACK', meta: { name, email } }
4. (React Native Android) Ask permission to read network status

If writing a native app for Android, you'll need to make sure to request the permission to access network state in your AndroidManifest.xml:

  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

See Documentation for configuration options, the full API, and common recipes.


Improvements and additions welcome. For large changes, please submit a discussion issue before jumping to coding; we'd hate you to waste the effort.

If you are reporting a bug, please include code that reproduces the error. Here is a starting application on CodeSandbox.

In lieu of a formal style guide, follow the included eslint rules, and use Prettier to format your code.


Usage with Redux Persist v5

In case you want to use a custom redux-persist version, there is an example configuration.

Prior art

Redux Offline is a distillation of patterns discovered while building apps using previously existing libraries:

Without their work, Redux Offline wouldn't exist. If you like the ideas behind Redux Offline, but want to build your own stack from lower-level components, these are good places to start.






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