refactor: Remove electron-store to be ready for electron 14+ (#668)

Release this ~3 months after 2.9.0 was released (21 Sep 2021) so
that users had 3 months to migrate to local storage

Signed-off-by: Christoph Settgast <csett86@web.de>

app/features/redux/store.js

@@ -1,37 +1,14 @@
 // @flow
 
 import { createStore } from 'redux';
-import { persistReducer, getStoredState } from 'redux-persist';
+import { persistReducer } from 'redux-persist';
 import storage from 'redux-persist/lib/storage'; // uses localStorage
 
 import middleware from './middleware';
 import reducers from './reducers';
 
-const migrateFromElectronStore = async state => {
-    // migrate to local storage by checking if state is undefined
-    // (first launch or first launch after switch to local storage)
-    // and previous electron-store config.json exists.
-    if (state === undefined && window.jitsiNodeAPI.electronStoreExists) {
-        const electronStoreState = await getStoredState({
-            key: 'root',
-            storage: window.jitsiNodeAPI.createElectronStorage(),
-            debug: true
-        });
-
-        if ('onboarding' in electronStoreState) {
-            return electronStoreState;
-        }
-    }
-
-    return state;
-};
-
 const persistConfig = {
     key: 'root',
-
-    // remove this and all electron-store-related dependencies end of 2021
-    // (3 months migration period from electron-store to local storage)
-    migrate: migrateFromElectronStore,
     storage,
     whitelist: [
         'onboarding',

app/preload/preload.js

@@ -1,6 +1,5 @@
 /* global process */
 
-const createElectronStorage = require('redux-persist-electron-storage');
 const { ipcRenderer } = require('electron');
 const os = require('os');
 const jitsiMeetElectronUtils = require('@jitsi/electron-sdk');
@@ -10,12 +9,10 @@ const { openExternalLink } = require('../features/utils/openExternalLink');
 const whitelistedIpcChannels = [ 'protocol-data-msg', 'renderer-ready' ];
 
 window.jitsiNodeAPI = {
-    createElectronStorage,
     osUserInfo: os.userInfo,
     openExternalLink,
     platform: process.platform,
     jitsiMeetElectronUtils,
-    electronStoreExists: ipcRenderer.sendSync('electron-store-exists'),
     ipc: {
         on: (channel, listener) => {
             if (!whitelistedIpcChannels.includes(channel)) {

main.js

@@ -399,7 +399,3 @@ ipcMain.on('renderer-ready', () => {
             .send('protocol-data-msg', protocolDataForFrontApp);
     }
 });
-
-ipcMain.on('electron-store-exists', event => {
-    event.returnValue = existsSync(path.join(app.getPath('userData'), 'config.json'));
-});

package.json

@@ -167,7 +167,6 @@
     "electron-log": "^4.3.2",
     "electron-notarize": "1.1.1",
     "electron-react-devtools": "0.5.3",
-    "electron-store": "^5.2.0",
     "electron-updater": "^4.3.9",
     "electron-window-state": "^5.0.3",
     "eslint": "6.5.1",
@@ -192,7 +191,6 @@
     "redux": "^4.0.5",
     "redux-logger": "^3.0.6",
     "redux-persist": "^5.10.0",
-    "redux-persist-electron-storage": "^2.1.0",
     "source-map-support": "^0.5.19",
     "style-loader": "1.1.3",
     "styled-components": "^3.4.10",