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https://github.com/ivantsov/redux-webext
Redux for WebExtensions
https://github.com/ivantsov/redux-webext
chrome extension firefox react redux redux-store redux-webext store webextension webextensions
Last synced: about 1 month ago
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Redux for WebExtensions
- Host: GitHub
- URL: https://github.com/ivantsov/redux-webext
- Owner: ivantsov
- Created: 2016-09-03T10:41:23.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2022-06-23T21:58:09.000Z (over 2 years ago)
- Last Synced: 2024-04-14T05:42:55.157Z (8 months ago)
- Topics: chrome, extension, firefox, react, redux, redux-store, redux-webext, store, webextension, webextensions
- Language: JavaScript
- Homepage:
- Size: 542 KB
- Stars: 108
- Watchers: 5
- Forks: 15
- Open Issues: 15
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
- Awesome-WebExtensions - redux-webext - Uses Redux for managing the state of your WebExtension. (Libraries and Frameworks)
README
# redux-webext
[](https://travis-ci.org/ivantsov/redux-webext)
[](https://codecov.io/gh/ivantsov/redux-webext)
[](https://badge.fury.io/js/redux-webext)
This package allows you to use [Redux](https://github.com/reactjs/redux) for managing the state of your WebExtension.
## Installation
`npm install redux-webext --save`
## Introduction
Usually WebExtension consists of two basic parts:
* _background page_, where you store the data and process it somehow
* _UI pages_ (e.g. popup or content scripts), where you show the data from _background page_
As you can see, to provide data between _background_ and _UI_ pages you have to use [messages](https://developer.chrome.com/extensions/messaging). Or... actually, you don't have to, because of `redux-webext`:
In a nutshell, `redux-webext` takes care of communication between _background_ and _UI_ pages using Redux. But there are 2 key things that you should understand:
* In _background_ page there is Redux store that contains the entire state of your WebExtension. All logic (actions, reducers etc) is placed in _background_ page as well.
* _UI_ pages have access to the state via their own Redux stores, but **there are no real actions or reducers**. I said *real* because _UI_ pages might have functions associated with actions in _background_ page. You can think about it like a proxy that allows you to call _background_ actions from _UI_ pages.
The words above don't make a lot of sense without code, right? So, there's [tutorial with example](https://github.com/ivantsov/redux-webext/tree/master/examples) where you can find how to use `redux-webext` and how it works.
## Examples
* https://github.com/ivantsov/redux-webext/tree/master/examples - simple example with tutorial
* https://github.com/ivantsov/yandex-mail-notifier-chrome - real extension that uses `redux-webext`
* https://github.com/armateam/extension - a real and simple extension that uses `redux-webext`
## API
#### `createBackgroundStore(options)` - creates Redux store for _background_ page.
#### Options
- `store` - instance of Redux store.
- `actions` (optional) - object which keys are types of actions in _UI_ page and values are actions in _background_ page.
- `onDisconnect` (optional) - function that will be called on destroying _UI_ store (e.g. right after closing a popup).
Returns the provided `store`.
#### Example
```js
const store = createStore(reducer); // real Redux store
const backgroundStore = createBackgroundStore({
store,
actions: {
// "INCREMENT_UI_COUNTER" is a string that will be used as a type of action in UI page
// "incrementUICounter" is an action is background page
INCREMENT_UI_COUNTER: incrementUICounter,
DECREMENT_UI_COUNTER: decrementUICounter
}
});
```
#### `createUIStore()` - creates Redux store for _UI_ pages.
Returns `promise` which will be resolved after receiving the current state of _background_ store. And an object with identical to Redux store structure will be passed as resolved result.
#### Example
```js
async function initApp() {
const store = await createUIStore();
ReactDOM.render(
,
document.getElementById('app')
);
}
initApp();
```