chore(electron): Move off deprecated remote module (#649)

This is [a requirement for electron v14, which drops the module](https://www.electronjs.org/blog/electron-14-0/#removed-remote-module). We can do it before the upgrade, for smaller changes.

main.js

@@ -4,6 +4,8 @@ const { autoUpdater } = require('electron-updater');
 const { onFirstRunMaybe } = require('./first-run');
 const path = require('path');
 
+require('@electron/remote/main').initialize()
+
 app.setAppUserModelId('com.electron.gitify');
 
 const iconIdle = path.join(
@@ -75,6 +77,13 @@ menubarApp.on('ready', () => {
       }
     }
   });
+  ipcMain.handle('get-platform', async () => {
+    return process.platform;
+  });
+
+  ipcMain.handle('get-app-version', async () => {
+    return app.getVersion();
+  });
 
   menubarApp.window.webContents.on('devtools-opened', () => {
     menubarApp.window.setSize(800, 600);

package.json

@@ -93,6 +93,7 @@
     "afterSign": "scripts/notarize.js"
   },
   "dependencies": {
+    "@electron/remote": "^2.0.11",
     "@primer/octicons-react": "19.8.0",
     "axios": "1.5.1",
     "date-fns": "2.30.0",

src/__mocks__/@electron/remote.js

@@ -0,0 +1,38 @@
+let instance;
+
+class BrowserWindow {
+  constructor() {
+    if (!instance) {
+      instance = this;
+    }
+    return instance;
+  }
+  loadURL = jest.fn();
+  webContents = {
+    on: () => {},
+    session: {
+      clearStorageData: jest.fn(),
+    },
+  };
+  on() {}
+  close = jest.fn();
+  hide = jest.fn();
+  destroy = jest.fn();
+}
+
+const dialog = {
+  showErrorBox: jest.fn(),
+};
+
+module.exports = {
+  BrowserWindow: BrowserWindow,
+  dialog: dialog,
+  process: {
+    platform: 'darwin',
+  },
+  app: {
+    getLoginItemSettings: jest.fn(),
+    setLoginItemSettings: () => {},
+  },
+  getCurrentWindow: jest.fn(() => instance || new BrowserWindow()),
+};

src/__mocks__/electron.js

@@ -27,49 +27,21 @@ window.localStorage = {
 
 window.alert = jest.fn();
 
-let instance;
-
-class BrowserWindow {
-  constructor() {
-    if (!instance) {
-      instance = this;
-    }
-    return instance;
-  }
-  loadURL = jest.fn();
-  webContents = {
-    on: () => {},
-    session: {
-      clearStorageData: jest.fn(),
-    },
-  };
-  on() {}
-  close = jest.fn();
-  hide = jest.fn();
-  destroy = jest.fn();
-}
-
-const dialog = {
-  showErrorBox: jest.fn(),
-};
-
 module.exports = {
-  remote: {
-    BrowserWindow: BrowserWindow,
-    dialog: dialog,
-    process: {
-      platform: 'darwin',
-    },
-    app: {
-      getVersion: () => '0.0.1',
-      getLoginItemSettings: jest.fn(),
-      setLoginItemSettings: () => {},
-    },
-    getCurrentWindow: jest.fn(() => instance || new BrowserWindow()),
-  },
   ipcRenderer: {
     send: jest.fn(),
     on: jest.fn(),
+    sendSync: jest.fn(),
+    invoke: jest.fn((channel, ...args) => {
+      switch (channel) {
+        case 'get-platform':
+          return Promise.resolve('darwin');
+        case 'get-app-version':
+          return Promise.resolve('0.0.1');
+        default:
+          return Promise.reject(new Error(`Unknown channel: ${channel}`));
+      }
+    }),
   },
   shell: {
     openExternal: jest.fn(),