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redux-webextension

v1.4.0

Published

Connect to a Redux store in a WebExtension background page

Downloads

5

Readme

redux-webextension

redux-webextension makes a Redux store in the background page of a WebExtension based browser extension available to other components of the extension.

Installation

$ npm install react-webextension --save

Usage

In your extension background page, create a Redux store as usual and then call exposeStore to make it available to other parts of the extension:

import { createStore } from "redux";
import { exposeStore } from "redux-webextension";
import { reducer } from "./yourReducers.js";

const store = createStore(reducer);
exposeStore(store);

From your content scripts, extension popups, etc., call connectStore to return a function that matches the Redux createStore API. The return value of this function differs slightly in that rather than returning a Store directly, it returns a Promise that resolves to an object conforming to the Redux Store API that can be used directly or with bindings such as react-redux:

import { connectStore } from "redux-webextension";

let createStore = connectStore();

createStore().then(function(store) {
    store.subscribe(() => {
        console.log("New state:", store.getState());
    });

    store.dispatch({ action: "DO_SOMETHING" });
});

Disconnect Handling

exposeStore can be passed a third argument, a callback which is fired when the port disconnects. This can be used to perform any necessary state cleanup. e.g.

import { createStore } from "redux";
import { exposeStore } from "redux-webextension";
import { reducer } from "./yourReducers.js";

function cleanupState(port, store) {
    store.dispatch({ action: "CLEANUP_STATE", port_name: port.name });
}

const store = createStore(reducer);
exposeStore(store, null, cleanupState);

Example

See the example extension in the example directory. To run it, ensure you have Firefox Developer edition installed, and then:

$ cd example
$ npm install
$ npm run-script start

Release History

  • 1.0.0
    • Initial release

Meta

Gabriel Gironda, HeavySet – [email protected]

Distributed under the MIT license. See LICENSE for more information.

https://github.com/heavyset/react-webextension

Contributing

  1. Fork it (https://github.com/heavyset/react-webextension/fork)
  2. Create your feature branch (git checkout -b feature/fooBar)
  3. Commit your changes (git commit -am 'Add some fooBar')
  4. Push to the branch (git push origin feature/fooBar)
  5. Create a new Pull Request