release: v4.0.3.

Electron docs suggests that we should not use
`disablewebsecurity` thus removing the same.

.gitattributes

@@ -1,5 +1,7 @@
 * text=auto eol=lf
 
+package-lock.json binary
+app/package-lock.json binary
 *.gif binary
 *.jpg binary
 *.jpeg binary

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,8 @@
+---
+<!-- Please Include: -->
+- **Operating System**:
+  - [ ] Windows
+  - [ ] Linux/Ubuntu
+  - [ ] macOS
+- **Clear steps to reproduce the issue**:
+- **Relevant error messages and/or screenshots**:

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,25 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
----
-
-**Describe the bug**
-<!-- A clear and concise description of what the bug is. -->
-
-**To Reproduce**
-<!-- Clear steps to reproduce the issue. -->
-
-**Expected behavior**
-<!-- A clear and concise description of what you expected to happen. -->
-
-**Screenshots**
-<!-- If applicable, add screenshots to help explain your problem. -->
-
-**Desktop (please complete the following information):**
- - Operating System: 
- <!-- (Platform and Version) e.g. macOS 10.13.6 / Windows 10 (1803) / Ubuntu 18.04 x64 -->
- - Zulip Desktop Version:
-<!-- e.g. 5.2.0 --> 
-
-**Additional context**
-<!-- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/custom.md

@@ -1,6 +0,0 @@
----
-name: Custom issue template
-about: Describe this issue template's purpose here.
----
-
-

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,16 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
----
-
-**Problem Description**
-<!-- Please add a clear and concise description of what the problem is. -->
-
-**Proposed Solution**
-<!-- Describe the solution you'd like in a clear and concise manner -->
-
-**Describe alternatives you've considered**
-<!-- A clear and concise description of any alternative solutions or features you've considered. -->
-
-**Additional context**
-<!-- Add any other context or screenshots about the feature request here. -->

.gitignore

@@ -1,12 +1,9 @@
-# Dependency directory
-/node_modules/
+# Dependency directories
+node_modules/
 
 # npm cache directory
 .npm
 
-# transifexrc - if user prefers it to be in working tree
-.transifexrc
-
 # Compiled binary build directory
 dist/
 

.mailmap

@@ -1,5 +0,0 @@
-Anders Kaseorg <anders@zulip.com> <anders@zulipchat.com>
-Rishi Gupta <rishig@zulip.com> <rishig@zulipchat.com>
-Rishi Gupta <rishig@zulip.com> <rishig@users.noreply.github.com>
-Tim Abbott <tabbott@zulip.com> <tabbott@zulipchat.com>
-Tim Abbott <tabbott@zulip.com> <tabbott@mit.edu>

.travis.yml

@@ -1,3 +1,6 @@
+sudo: required
+dist: trusty
+
 os:
 - osx
 - linux
@@ -12,12 +15,23 @@ addons:
 
 language: node_js
 node_js:
-- '10'
-- '12'
+- '8'
+
+before_install:
+  - ./scripts/travis-xvfb.sh
+  - npm install -g gulp
+  - npm install
 
 cache:
   directories:
   - node_modules
+  - app/node_modules
 
 script:
-- npm run test
+- npm run travis
+notifications:
+  webhooks:
+    urls:
+      - https://zulip.org/zulipbot/travis
+    on_success: always
+    on_failure: always

.tx/config

@@ -1,9 +0,0 @@
-[main]
-host = https://www.transifex.com
-
-[zulip.desktopjson]
-file_filter = app/translations/<lang>.json
-minimum_perc = 0
-source_file = app/translations/en.json
-source_lang = en
-type = KEYVALUEJSON

README.md

@@ -6,11 +6,10 @@
 
 Desktop client for Zulip. Available for Mac, Linux, and Windows.
 
-<img src="https://i.imgur.com/s1o6TRA.png"/>
-<img src="https://i.imgur.com/vekKnW4.png"/>
+<img src="http://i.imgur.com/ChzTq4F.png"/>
 
 # Download
-Please see the [installation guide](https://zulip.com/help/desktop-app-install-guide).
+Please see the [installation guide](https://zulipchat.com/help/desktop-app-install-guide).
 
 # Features
 * Sign in to multiple organizations

app/main/autoupdater.ts

@@ -1,26 +1,20 @@
-import {app, dialog, session} from 'electron';
-import util from 'util';
+'use strict';
+import { app, dialog, shell } from 'electron';
+import { autoUpdater } from 'electron-updater';
+import { linuxUpdateNotification } from './linuxupdater';	// Required only in case of linux
 
-import isDev from 'electron-is-dev';
-import log from 'electron-log';
-import {UpdateDownloadedEvent, UpdateInfo, autoUpdater} from 'electron-updater';
+import log = require('electron-log');
+import isDev = require('electron-is-dev');
+import ConfigUtil = require('../renderer/js/utils/config-util');
 
-import * as ConfigUtil from '../renderer/js/utils/config-util';
-import * as LinkUtil from '../renderer/js/utils/link-util';
-
-import {linuxUpdateNotification} from './linuxupdater';	// Required only in case of linux
-
-const sleep = util.promisify(setTimeout);
-
-export async function appUpdater(updateFromMenu = false): Promise<void> {
+export function appUpdater(updateFromMenu = false): void {
 	// Don't initiate auto-updates in development
 	if (isDev) {
 		return;
 	}
 
 	if (process.platform === 'linux' && !process.env.APPIMAGE) {
-		const ses = session.fromPartition('persist:webviewsession');
-		await linuxUpdateNotification(ses);
+		linuxUpdateNotification();
 		return;
 	}
 
@@ -40,72 +34,73 @@ export async function appUpdater(updateFromMenu = false): Promise<void> {
 	autoUpdater.allowPrerelease = isBetaUpdate || false;
 
 	const eventsListenerRemove = ['update-available', 'update-not-available'];
-	autoUpdater.on('update-available', async (info: UpdateInfo) => {
+	autoUpdater.on('update-available', info => {
 		if (updateFromMenu) {
+			dialog.showMessageBox({
+				message: `A new version ${info.version}, of Zulip Desktop is available`,
+				detail: 'The update will be downloaded in the background. You will be notified when it is ready to be installed.'
+			});
+
 			updateAvailable = true;
 
 			// This is to prevent removal of 'update-downloaded' and 'error' event listener.
 			eventsListenerRemove.forEach(event => {
 				autoUpdater.removeAllListeners(event);
 			});
-
-			await dialog.showMessageBox({
-				message: `A new version ${info.version}, of Zulip Desktop is available`,
-				detail: 'The update will be downloaded in the background. You will be notified when it is ready to be installed.'
-			});
 		}
 	});
 
-	autoUpdater.on('update-not-available', async () => {
+	autoUpdater.on('update-not-available', () => {
 		if (updateFromMenu) {
-			// Remove all autoUpdator listeners so that next time autoUpdator is manually called these
-			// listeners don't trigger multiple times.
-			autoUpdater.removeAllListeners();
-
-			await dialog.showMessageBox({
+			dialog.showMessageBox({
 				message: 'No updates available',
 				detail: `You are running the latest version of Zulip Desktop.\nVersion: ${app.getVersion()}`
 			});
-		}
-	});
-
-	autoUpdater.on('error', async (error: Error) => {
-		if (updateFromMenu) {
 			// Remove all autoUpdator listeners so that next time autoUpdator is manually called these
 			// listeners don't trigger multiple times.
 			autoUpdater.removeAllListeners();
+		}
+	});
 
+	autoUpdater.on('error', error => {
+		if (updateFromMenu) {
 			const messageText = (updateAvailable) ? ('Unable to download the updates') : ('Unable to check for updates');
-			const {response} = await dialog.showMessageBox({
+			dialog.showMessageBox({
 				type: 'error',
 				buttons: ['Manual Download', 'Cancel'],
 				message: messageText,
-				detail: `Error: ${error.message}\n\nThe latest version of Zulip Desktop is available at -\nhttps://zulip.com/apps/.\n
-				Current Version: ${app.getVersion()}`
+				detail: (error).toString() + `\n\nThe latest version of Zulip Desktop is available at -\nhttps://zulipchat.com/apps/.\n
+Current Version: ${app.getVersion()}`
+			}, response => {
+				if (response === 0) {
+					shell.openExternal('https://zulipchat.com/apps/');
+				}
 			});
-			if (response === 0) {
-				await LinkUtil.openBrowser(new URL('https://zulip.com/apps/'));
-			}
+			// Remove all autoUpdator listeners so that next time autoUpdator is manually called these
+			// listeners don't trigger multiple times.
+			autoUpdater.removeAllListeners();
 		}
 	});
 
 	// Ask the user if update is available
-	autoUpdater.on('update-downloaded', async (event: UpdateDownloadedEvent) => {
+	autoUpdater.on('update-downloaded', event => {
 		// Ask user to update the app
-		const {response} = await dialog.showMessageBox({
+		dialog.showMessageBox({
 			type: 'question',
 			buttons: ['Install and Relaunch', 'Install Later'],
 			defaultId: 0,
 			message: `A new update ${event.version} has been downloaded`,
 			detail: 'It will be installed the next time you restart the application'
+		}, response => {
+			if (response === 0) {
+				setTimeout(() => {
+					autoUpdater.quitAndInstall();
+					// force app to quit. This is just a workaround, ideally autoUpdater.quitAndInstall() should relaunch the app.
+					app.quit();
+				}, 1000);
+			}
 		});
-		if (response === 0) {
-			await sleep(1000);
-			autoUpdater.quitAndInstall();
-			// Force app to quit. This is just a workaround, ideally autoUpdater.quitAndInstall() should relaunch the app.
-			app.quit();
-		}
 	});
 	// Init for updates
-	await autoUpdater.checkForUpdates();
+	autoUpdater.checkForUpdates();
 }

app/main/index.ts

@@ -1,22 +1,31 @@
+'use strict';
+import { sentryInit } from '../renderer/js/utils/sentry-util';
+import { appUpdater } from './autoupdater';
+import { setAutoLaunch } from './startup';
 
-import electron, {app, dialog, ipcMain, session} from 'electron';
-import fs from 'fs';
-import path from 'path';
+import windowStateKeeper = require('electron-window-state');
+import path = require('path');
+import fs = require('fs');
+import isDev = require('electron-is-dev');
+import electron = require('electron');
+const { app, ipcMain, session } = electron;
 
-import windowStateKeeper from 'electron-window-state';
+import AppMenu = require('./menu');
+import BadgeSettings = require('../renderer/js/pages/preference/badge-settings');
+import ConfigUtil = require('../renderer/js/utils/config-util');
+import ProxyUtil = require('../renderer/js/utils/proxy-util');
 
-import * as BadgeSettings from '../renderer/js/pages/preference/badge-settings';
-import * as CertificateUtil from '../renderer/js/utils/certificate-util';
-import * as ConfigUtil from '../renderer/js/utils/config-util';
-import * as ProxyUtil from '../renderer/js/utils/proxy-util';
-import {sentryInit} from '../renderer/js/utils/sentry-util';
+interface PatchedGlobal extends NodeJS.Global {
+	mainWindowState: windowStateKeeper.State;
+}
 
-import {appUpdater} from './autoupdater';
-import * as AppMenu from './menu';
-import {_getServerSettings, _saveServerIcon, _isOnline} from './request';
-import {setAutoLaunch} from './startup';
+const globalPatched = global as PatchedGlobal;
 
-let mainWindowState: windowStateKeeper.State;
+// Adds debug features like hotkeys for triggering dev tools and reload
+// in development mode
+if (isDev) {
+	require('electron-debug')();
+}
 
 // Prevent window being garbage collected
 let mainWindow: Electron.BrowserWindow;
@@ -42,30 +51,10 @@ if (singleInstanceLock) {
 	app.quit();
 }
 
-const rendererCallbacks = new Map();
-let nextRendererCallbackId = 0;
-
-ipcMain.on('renderer-callback', (event: Event, rendererCallbackId: number, ...args: any[]) => {
-	rendererCallbacks.get(rendererCallbackId)(...args);
-	rendererCallbacks.delete(rendererCallbackId);
-});
-
-function makeRendererCallback(callback: (...args: any[]) => void): number {
-	rendererCallbacks.set(nextRendererCallbackId, callback);
-	return nextRendererCallbackId++;
-}
-
 const APP_ICON = path.join(__dirname, '../resources', 'Icon');
 
-const iconPath = (): string => APP_ICON + (process.platform === 'win32' ? '.ico' : '.png');
-
-// Toggle the app window
-const toggleApp = (): void => {
-	if (!mainWindow.isVisible() || mainWindow.isMinimized()) {
-		mainWindow.show();
-	} else {
-		mainWindow.hide();
-	}
+const iconPath = (): string => {
+	return APP_ICON + (process.platform === 'win32' ? '.ico' : '.png');
 };
 
 function createMainWindow(): Electron.BrowserWindow {
@@ -76,6 +65,9 @@ function createMainWindow(): Electron.BrowserWindow {
 		path: `${app.getPath('userData')}/config`
 	});
 
+	// Let's keep the window position global so that we can access it in other process
+	globalPatched.mainWindowState = mainWindowState;
+
 	const win = new electron.BrowserWindow({
 		// This settings needs to be saved in config
 		title: 'Zulip',
@@ -84,13 +76,12 @@ function createMainWindow(): Electron.BrowserWindow {
 		y: mainWindowState.y,
 		width: mainWindowState.width,
 		height: mainWindowState.height,
-		minWidth: 500,
+		minWidth: 300,
 		minHeight: 400,
 		webPreferences: {
 			plugins: true,
 			nodeIntegration: true,
-			partition: 'persist:webviewsession',
-			webviewTag: true
+			partition: 'persist:webviewsession'
 		},
 		show: false
 	});
@@ -99,16 +90,15 @@ function createMainWindow(): Electron.BrowserWindow {
 		win.webContents.send('focus');
 	});
 
-	(async () => win.loadURL(mainURL))();
+	win.loadURL(mainURL);
 
 	// Keep the app running in background on close event
-	win.on('close', event => {
-		if (ConfigUtil.getConfigItem('quitOnClose')) {
+	win.on('close', e => {
+		if (ConfigUtil.getConfigItem("quitOnClose")) {
 			app.quit();
 		}
-
 		if (!isQuitting) {
-			event.preventDefault();
+			e.preventDefault();
 
 			if (process.platform === 'darwin') {
 				app.hide();
@@ -129,8 +119,8 @@ function createMainWindow(): Electron.BrowserWindow {
 	});
 
 	//  To destroy tray icon when navigate to a new URL
-	win.webContents.on('will-navigate', event => {
-		if (event) {
+	win.webContents.on('will-navigate', e => {
+		if (e) {
 			win.webContents.send('destroytray');
 		}
 	});
@@ -150,23 +140,19 @@ app.disableHardwareAcceleration();
 // More info here - https://github.com/electron/electron/issues/10732
 app.commandLine.appendSwitch('force-color-profile', 'srgb');
 
-// This event is only available on macOS. Triggers when you click on the dock icon.
+// eslint-disable-next-line max-params
+app.on('certificate-error', (event: Event, _webContents: Electron.WebContents, _url: string, _error: string, _certificate: any, callback) => {
+	event.preventDefault();
+	callback(true);
+});
+
 app.on('activate', () => {
-	if (mainWindow) {
-		// If there is already a window show it
-		mainWindow.show();
-	} else {
+	if (!mainWindow) {
 		mainWindow = createMainWindow();
 	}
 });
 
 app.on('ready', () => {
-	const ses = session.fromPartition('persist:webviewsession');
-	ses.setUserAgent(`ZulipElectron/${app.getVersion()} ${ses.getUserAgent()}`);
-
-	ipcMain.on('set-spellcheck-langs', () => {
-		ses.setSpellCheckerLanguages(ConfigUtil.getConfigItem('spellcheckerLanguages'));
-	});
 	AppMenu.setMenu({
 		tabs: []
 	});
@@ -175,7 +161,7 @@ app.on('ready', () => {
 	// Auto-hide menu bar on Windows + Linux
 	if (process.platform !== 'darwin') {
 		const shouldHideMenu = ConfigUtil.getConfigItem('autoHideMenubar') || false;
-		mainWindow.autoHideMenuBar = shouldHideMenu;
+		mainWindow.setAutoHideMenuBar(shouldHideMenu);
 		mainWindow.setMenuBarVisibility(!shouldHideMenu);
 	}
 
@@ -188,7 +174,7 @@ app.on('ready', () => {
 	const isSystemProxy = ConfigUtil.getConfigItem('useSystemProxy');
 
 	if (isSystemProxy) {
-		(async () => ProxyUtil.resolveSystemProxy(mainWindow))();
+		ProxyUtil.resolveSystemProxy(mainWindow);
 	}
 
 	const page = mainWindow.webContents;
@@ -199,78 +185,19 @@ app.on('ready', () => {
 		} else {
 			mainWindow.show();
 		}
+		if (!ConfigUtil.isConfigItemExists('userAgent')) {
+			const userAgent = session.fromPartition('webview:persistsession').getUserAgent();
+			ConfigUtil.setConfigItem('userAgent', userAgent);
+		}
 	});
 
-	ipcMain.on('fetch-user-agent', event => {
-		event.returnValue = session.fromPartition('persist:webviewsession').getUserAgent();
-	});
-
-	ipcMain.handle('get-server-settings', async (event, domain: string) => _getServerSettings(domain, ses));
-
-	ipcMain.handle('save-server-icon', async (event, url: string) => _saveServerIcon(url, ses));
-
-	ipcMain.handle('is-online', async (event, url: string) => _isOnline(url, ses));
-
-	page.once('did-frame-finish-load', async () => {
+	page.once('did-frame-finish-load', () => {
 		// Initiate auto-updates on MacOS and Windows
 		if (ConfigUtil.getConfigItem('autoUpdate')) {
-			await appUpdater();
+			appUpdater();
 		}
 	});
 
-	app.on('certificate-error', (
-		event: Event,
-		webContents: Electron.WebContents,
-		urlString: string,
-		error: string,
-		certificate: Electron.Certificate,
-		callback: (isTrusted: boolean) => void
-	) /* eslint-disable-line max-params */ => {
-		// TODO: The entire concept of selectively ignoring certificate errors
-		// is ill-conceived, and this handler needs to be deleted.
-
-		const url = new URL(urlString);
-		if (url.protocol === 'wss:') {
-			url.protocol = 'https:';
-		}
-
-		const filename = CertificateUtil.getCertificate(encodeURIComponent(url.origin));
-		if (filename !== undefined) {
-			try {
-				const savedCertificate = fs.readFileSync(
-					path.join(`${app.getPath('userData')}/certificates`, filename),
-					'utf8'
-				);
-				if (certificate.data.replace(/[\r\n]/g, '') ===
-					savedCertificate.replace(/[\r\n]/g, '')) {
-					event.preventDefault();
-					callback(true);
-					return;
-				}
-			} catch (error) {
-				console.error(`Error reading certificate file ${filename}:`, error);
-			}
-		}
-
-		dialog.showErrorBox(
-			'Certificate error',
-			`The server presented an invalid certificate for ${url.origin}:
-
-${error}`
-		);
-	});
-
-	page.session.setPermissionRequestHandler((webContents, permission, callback, details) => {
-		const {origin} = new URL(details.requestingUrl);
-		page.send('permission-request', {
-			webContentsId: webContents.id === mainWindow.webContents.id ?
-				null :
-				webContents.id,
-			origin,
-			permission
-		}, makeRendererCallback(callback));
-	});
-
 	// Temporarily remove this event
 	// electron.powerMonitor.on('resume', () => {
 	// 	mainWindow.reload();
@@ -318,80 +245,80 @@ ${error}`
 	});
 
 	ipcMain.on('clear-app-settings', () => {
-		mainWindowState.unmanage();
+		globalPatched.mainWindowState.unmanage();
 		app.relaunch();
 		app.exit();
 	});
 
 	ipcMain.on('toggle-app', () => {
-		toggleApp();
+		if (!mainWindow.isVisible() || mainWindow.isMinimized()) {
+			mainWindow.show();
+		} else {
+			mainWindow.hide();
+		}
 	});
 
 	ipcMain.on('toggle-badge-option', () => {
 		BadgeSettings.updateBadge(badgeCount, mainWindow);
 	});
 
-	ipcMain.on('toggle-menubar', (_event: Electron.IpcMainEvent, showMenubar: boolean) => {
-		mainWindow.autoHideMenuBar = showMenubar;
+	ipcMain.on('toggle-menubar', (_event: Electron.IpcMessageEvent, showMenubar: boolean) => {
+		mainWindow.setAutoHideMenuBar(showMenubar);
 		mainWindow.setMenuBarVisibility(!showMenubar);
 		page.send('toggle-autohide-menubar', showMenubar, true);
 	});
 
-	ipcMain.on('update-badge', (_event: Electron.IpcMainEvent, messageCount: number) => {
+	ipcMain.on('update-badge', (_event: Electron.IpcMessageEvent, messageCount: number) => {
 		badgeCount = messageCount;
 		BadgeSettings.updateBadge(badgeCount, mainWindow);
 		page.send('tray', messageCount);
 	});
 
-	ipcMain.on('update-taskbar-icon', (_event: Electron.IpcMainEvent, data: string, text: string) => {
+	ipcMain.on('update-taskbar-icon', (_event: Electron.IpcMessageEvent, data: any, text: string) => {
 		BadgeSettings.updateTaskbarIcon(data, text, mainWindow);
 	});
 
-	ipcMain.on('forward-message', (_event: Electron.IpcMainEvent, listener: string, ...parameters: unknown[]) => {
-		page.send(listener, ...parameters);
+	ipcMain.on('forward-message', (_event: Electron.IpcMessageEvent, listener: any, ...params: any[]) => {
+		page.send(listener, ...params);
 	});
 
-	ipcMain.on('update-menu', (_event: Electron.IpcMainEvent, props: AppMenu.MenuProps) => {
+	ipcMain.on('update-menu', (_event: Electron.IpcMessageEvent, props: any) => {
 		AppMenu.setMenu(props);
 		const activeTab = props.tabs[props.activeTabIndex];
 		if (activeTab) {
-			mainWindow.setTitle(`Zulip - ${activeTab.webviewName}`);
+			mainWindow.setTitle(`Zulip - ${activeTab.webview.props.name}`);
 		}
 	});
 
-	ipcMain.on('toggleAutoLauncher', async (_event: Electron.IpcMainEvent, AutoLaunchValue: boolean) => {
-		await setAutoLaunch(AutoLaunchValue);
+	ipcMain.on('toggleAutoLauncher', (_event: Electron.IpcMessageEvent, AutoLaunchValue: boolean) => {
+		setAutoLaunch(AutoLaunchValue);
 	});
 
-	ipcMain.on('downloadFile', (_event: Electron.IpcMainEvent, url: string, downloadPath: string) => {
+	ipcMain.on('downloadFile', (_event: Electron.IpcMessageEvent, url: string, downloadPath: string) => {
 		page.downloadURL(url);
-		page.session.once('will-download', async (_event: Event, item) => {
-			if (ConfigUtil.getConfigItem('promptDownload', false)) {
-				const showDialogOptions: electron.SaveDialogOptions = {
-					defaultPath: path.join(downloadPath, item.getFilename())
-				};
-				item.setSaveDialogOptions(showDialogOptions);
-			} else {
-				const getTimeStamp = (): number => {
-					const date = new Date();
-					return date.getTime();
-				};
+		page.session.once('will-download', (_event: Event, item) => {
+			const filePath = path.join(downloadPath, item.getFilename());
 
-				const formatFile = (filePath: string): string => {
-					const fileExtension = path.extname(filePath);
-					const baseName = path.basename(filePath, fileExtension);
-					return `${baseName}-${getTimeStamp()}${fileExtension}`;
-				};
+			const getTimeStamp = (): any => {
+				const date = new Date();
+				return date.getTime();
+			};
 
-				const filePath = path.join(downloadPath, item.getFilename());
+			const formatFile = (filePath: string): string => {
+				const fileExtension = path.extname(filePath);
+				const baseName = path.basename(filePath, fileExtension);
+				return `${baseName}-${getTimeStamp()}${fileExtension}`;
+			};
 
-				// Update the name and path of the file if it already exists
-				const updatedFilePath = path.join(downloadPath, formatFile(filePath));
-				const setFilePath: string = fs.existsSync(filePath) ? updatedFilePath : filePath;
-				item.setSavePath(setFilePath);
-			}
+			// Update the name and path of the file if it already exists
 
-			const updatedListener = (_event: Event, state: string): void => {
+			const updatedFilePath = path.join(downloadPath, formatFile(filePath));
+
+			const setFilePath = fs.existsSync(filePath) ? updatedFilePath : filePath;
+
+			item.setSavePath(setFilePath);
+
+			item.on('updated', (_event: Event, state) => {
 				switch (state) {
 					case 'interrupted': {
 						// Can interrupted to due to network error, cancel download then
@@ -399,52 +326,47 @@ ${error}`
 						item.cancel();
 						break;
 					}
-
 					case 'progressing': {
 						if (item.isPaused()) {
 							item.cancel();
 						}
-
 						// This event can also be used to show progress in percentage in future.
 						break;
 					}
-
 					default: {
 						console.info('Unknown updated state of download item');
 					}
 				}
-			};
-
-			item.on('updated', updatedListener);
+			});
 			item.once('done', (_event: Event, state) => {
+				const getFileName = fs.existsSync(filePath) ? formatFile(filePath) : item.getFilename();
 				if (state === 'completed') {
-					page.send('downloadFileCompleted', item.getSavePath(), path.basename(item.getSavePath()));
+					page.send('downloadFileCompleted', item.getSavePath(), getFileName);
 				} else {
-					console.log('Download failed state:', state);
-					page.send('downloadFileFailed', state);
+					console.log('Download failed state: ', state);
+					page.send('downloadFileFailed');
 				}
-
 				// To stop item for listening to updated events of this file
-				item.removeListener('updated', updatedListener);
+				item.removeAllListeners('updated');
 			});
 		});
 	});
 
-	ipcMain.on('realm-name-changed', (_event: Electron.IpcMainEvent, serverURL: string, realmName: string) => {
+	ipcMain.on('realm-name-changed', (_event: Electron.IpcMessageEvent, serverURL: string, realmName: string) => {
 		page.send('update-realm-name', serverURL, realmName);
 	});
 
-	ipcMain.on('realm-icon-changed', (_event: Electron.IpcMainEvent, serverURL: string, iconURL: string) => {
+	ipcMain.on('realm-icon-changed', (_event: Electron.IpcMessageEvent, serverURL: string, iconURL: string) => {
 		page.send('update-realm-icon', serverURL, iconURL);
 	});
 
 	// Using event.sender.send instead of page.send here to
 	// make sure the value of errorReporting is sent only once on load.
-	ipcMain.on('error-reporting', (event: Electron.IpcMainEvent) => {
+	ipcMain.on('error-reporting', (event: Electron.IpcMessageEvent) => {
 		event.sender.send('error-reporting-val', errorReporting);
 	});
 
-	ipcMain.on('save-last-tab', (_event: Electron.IpcMainEvent, index: number) => {
+	ipcMain.on('save-last-tab', (_event: Electron.IpcMessageEvent, index: number) => {
 		ConfigUtil.setConfigItem('lastActiveTab', index);
 	});
 
@@ -453,12 +375,19 @@ ${error}`
 	setInterval(() => {
 		// Set user idle if no activity in 1 second (idleThresholdSeconds)
 		const idleThresholdSeconds = 1; // 1 second
-		const idleState = electron.powerMonitor.getSystemIdleState(idleThresholdSeconds);
-		if (idleState === 'active') {
-			page.send('set-active');
-		} else {
-			page.send('set-idle');
-		}
+
+		// TODO: Remove typecast to any when types get added
+		// TODO: use powerMonitor.getSystemIdleState when upgrading electron
+		// powerMonitor.querySystemIdleState is deprecated in current electron
+		// version at the time of writing.
+		const powerMonitor = electron.powerMonitor as any;
+		powerMonitor.querySystemIdleState(idleThresholdSeconds, (idleState: string) => {
+			if (idleState === 'active') {
+				page.send('set-active');
+			} else {
+				page.send('set-idle');
+			}
+		});
 	}, idleCheckInterval);
 });
 

app/main/linuxupdater.ts

@@ -1,45 +1,48 @@
-import {app, Notification, net} from 'electron';
+import { app, Notification } from 'electron';
 
-import getStream from 'get-stream';
-import semver from 'semver';
-
-import * as ConfigUtil from '../renderer/js/utils/config-util';
-import * as LinuxUpdateUtil from '../renderer/js/utils/linux-update-util';
-import Logger from '../renderer/js/utils/logger-util';
-
-import {fetchResponse} from './request';
+import request = require('request');
+import semver = require('semver');
+import ConfigUtil = require('../renderer/js/utils/config-util');
+import ProxyUtil = require('../renderer/js/utils/proxy-util');
+import LinuxUpdateUtil = require('../renderer/js/utils/linux-update-util');
+import Logger = require('../renderer/js/utils/logger-util');
 
 const logger = new Logger({
 	file: 'linux-update-util.log',
 	timestamp: true
 });
 
-export async function linuxUpdateNotification(session: Electron.session): Promise<void> {
+export function linuxUpdateNotification(): void {
 	let	url = 'https://api.github.com/repos/zulip/zulip-desktop/releases';
 	url = ConfigUtil.getConfigItem('betaUpdate') ? url : url + '/latest';
+	const proxyEnabled = ConfigUtil.getConfigItem('useManualProxy') || ConfigUtil.getConfigItem('useSystemProxy');
 
-	try {
-		const response = await fetchResponse(net.request({url, session}));
-		if (response.statusCode !== 200) {
-			logger.log('Linux update response status: ', response.statusCode);
+	const options = {
+		url,
+		headers: {'User-Agent': 'request'},
+		proxy: proxyEnabled ? ProxyUtil.getProxy(url) : '',
+		ecdhCurve: 'auto'
+	};
+
+	request(options, (error: any, response: any, body: any) => {
+		if (error) {
+			logger.error('Linux update error.');
+			logger.error(error);
 			return;
 		}
+		if (response.statusCode < 400) {
+			const data = JSON.parse(body);
+			const latestVersion = ConfigUtil.getConfigItem('betaUpdate') ? data[0].tag_name : data.tag_name;
 
-		const data = JSON.parse(await getStream(response));
-		const latestVersion = ConfigUtil.getConfigItem('betaUpdate') ? data[0].tag_name : data.tag_name;
-		if (typeof latestVersion !== 'string') {
-			throw new TypeError('Expected string for tag_name');
-		}
-
-		if (semver.gt(latestVersion, app.getVersion())) {
-			const notified = LinuxUpdateUtil.getUpdateItem(latestVersion);
-			if (notified === null) {
-				new Notification({title: 'Zulip Update', body: `A new version ${latestVersion} is available. Please update using your package manager.`}).show();
-				LinuxUpdateUtil.setUpdateItem(latestVersion, true);
+			if (semver.gt(latestVersion, app.getVersion())) {
+				const notified = LinuxUpdateUtil.getUpdateItem(latestVersion);
+				if (notified === null) {
+					new Notification({title: 'Zulip Update', body: 'A new version ' + latestVersion + ' is available. Please update using your package manager.'}).show();
+					LinuxUpdateUtil.setUpdateItem(latestVersion, true);
+				}
 			}
+		} else {
+			logger.log('Linux update response status: ', response.statusCode);
 		}
-	} catch (error) {
-		logger.error('Linux update error.');
-		logger.error(error);
-	}
+	});
 }

app/main/request.ts

@@ -1,113 +0,0 @@
-import {ClientRequest, IncomingMessage, app, net} from 'electron';
-import fs from 'fs';
-import path from 'path';
-import stream from 'stream';
-import util from 'util';
-
-import escape from 'escape-html';
-import getStream from 'get-stream';
-
-import {ServerConf} from '../renderer/js/utils/domain-util';
-import Logger from '../renderer/js/utils/logger-util';
-import * as Messages from '../resources/messages';
-
-export async function fetchResponse(request: ClientRequest): Promise<IncomingMessage> {
-	return new Promise((resolve, reject) => {
-		request.on('response', resolve);
-		request.on('abort', () => reject(new Error('Request aborted')));
-		request.on('error', reject);
-		request.end();
-	});
-}
-
-const pipeline = util.promisify(stream.pipeline);
-
-/* Request: domain-util */
-
-const defaultIconUrl = '../renderer/img/icon.png';
-
-const logger = new Logger({
-	file: 'domain-util.log',
-	timestamp: true
-});
-
-const generateFilePath = (url: string): string => {
-	const dir = `${app.getPath('userData')}/server-icons`;
-	const extension = path.extname(url).split('?')[0];
-
-	let hash = 5381;
-	let {length} = url;
-
-	while (length) {
-		hash = (hash * 33) ^ url.charCodeAt(--length);
-	}
-
-	// Create 'server-icons' directory if not existed
-	if (!fs.existsSync(dir)) {
-		fs.mkdirSync(dir);
-	}
-
-	return `${dir}/${hash >>> 0}${extension}`;
-};
-
-export const _getServerSettings = async (domain: string, session: Electron.session): Promise<ServerConf> => {
-	const response = await fetchResponse(net.request({
-		url: domain + '/api/v1/server_settings',
-		session
-	}));
-	if (response.statusCode !== 200) {
-		throw new Error(Messages.invalidZulipServerError(domain));
-	}
-
-	const {realm_name, realm_uri, realm_icon} = JSON.parse(await getStream(response));
-	if (
-		typeof realm_name !== 'string' ||
-			typeof realm_uri !== 'string' ||
-			typeof realm_icon !== 'string'
-	) {
-		throw new TypeError(Messages.noOrgsError(domain));
-	}
-
-	return {
-		// Some Zulip Servers use absolute URL for server icon whereas others use relative URL
-		// Following check handles both the cases
-		icon: realm_icon.startsWith('/') ? realm_uri + realm_icon : realm_icon,
-		url: realm_uri,
-		alias: escape(realm_name)
-	};
-};
-
-export const _saveServerIcon = async (url: string, session: Electron.session): Promise<string> => {
-	try {
-		const response = await fetchResponse(net.request({url, session}));
-		if (response.statusCode !== 200) {
-			logger.log('Could not get server icon.');
-			return defaultIconUrl;
-		}
-
-		const filePath = generateFilePath(url);
-		await pipeline(response, fs.createWriteStream(filePath));
-		return filePath;
-	} catch (error) {
-		logger.log('Could not get server icon.');
-		logger.log(error);
-		logger.reportSentry(error);
-		return defaultIconUrl;
-	}
-};
-
-/* Request: reconnect-util */
-
-export const _isOnline = async (url: string, session: Electron.session): Promise<boolean> => {
-	try {
-		const response = await fetchResponse(net.request({
-			url: `${url}/static/favicon.ico`,
-			session
-		}));
-		const isValidResponse = response.statusCode >= 200 && response.statusCode < 400;
-		return isValidResponse;
-	} catch (error) {
-		logger.log(error);
-		return false;
-	}
-};

app/main/startup.ts

@@ -1,33 +1,31 @@
-import {app} from 'electron';
+'use strict';
+import { app } from 'electron';
 
-import AutoLaunch from 'auto-launch';
-import isDev from 'electron-is-dev';
+import AutoLaunch = require('auto-launch');
+import isDev = require('electron-is-dev');
+import ConfigUtil = require('../renderer/js/utils/config-util');
 
-import * as ConfigUtil from '../renderer/js/utils/config-util';
-
-export const setAutoLaunch = async (AutoLaunchValue: boolean): Promise<void> => {
+export const setAutoLaunch = (AutoLaunchValue: boolean): void => {
 	// Don't run this in development
 	if (isDev) {
 		return;
 	}
 
+	// On Mac, work around a bug in auto-launch where it opens a Terminal window
+	// See https://github.com/Teamwork/node-auto-launch/issues/28#issuecomment-222194437
+
+	const appPath = process.platform === 'darwin' ? app.getPath('exe').replace(/\.app\/Content.*/, '.app') : undefined; // Use the default
+
+	const ZulipAutoLauncher = new AutoLaunch({
+		name: 'Zulip',
+		path: appPath,
+		isHidden: false
+	});
 	const autoLaunchOption = ConfigUtil.getConfigItem('startAtLogin', AutoLaunchValue);
 
-	// `setLoginItemSettings` doesn't support linux
-	if (process.platform === 'linux') {
-		const ZulipAutoLauncher = new AutoLaunch({
-			name: 'Zulip',
-			isHidden: false
-		});
-		if (autoLaunchOption) {
-			await ZulipAutoLauncher.enable();
-		} else {
-			await ZulipAutoLauncher.disable();
-		}
+	if (autoLaunchOption) {
+		ZulipAutoLauncher.enable();
 	} else {
-		app.setLoginItemSettings({
-			openAtLogin: autoLaunchOption,
-			openAsHidden: false
-		});
+		ZulipAutoLauncher.disable();
 	}
 };

app/package.json

@@ -0,0 +1,51 @@
+{
+  "name": "zulip",
+  "productName": "Zulip",
+  "version": "4.0.3",
+  "desktopName": "zulip.desktop",
+  "description": "Zulip Desktop App",
+  "license": "Apache-2.0",
+  "copyright": "Kandra Labs, Inc.",
+  "author": {
+    "name": "Kandra Labs, Inc.",
+    "email": "support@zulipchat.com"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/zulip/zulip-desktop.git"
+  },
+  "bugs": {
+    "url": "https://github.com/zulip/zulip-desktop/issues"
+  },
+  "main": "main/index.js",
+  "keywords": [
+    "Zulip",
+    "Group Chat app",
+    "electron-app",
+    "electron",
+    "Desktop app",
+    "InstantMessaging"
+  ],
+  "dependencies": {
+    "@electron-elements/send-feedback": "1.0.8",
+    "@sentry/electron": "0.14.0",
+    "adm-zip": "0.4.11",
+    "auto-launch": "5.0.5",
+    "backoff": "2.5.0",
+    "dotenv": "8.0.0",
+    "electron-is-dev": "0.3.0",
+    "electron-log": "2.2.14",
+    "electron-spellchecker": "1.1.2",
+    "electron-updater": "4.0.6",
+    "electron-window-state": "5.0.3",
+    "escape-html": "1.0.3",
+    "i18n": "0.8.3",
+    "node-json-db": "0.9.2",
+    "request": "2.85.0",
+    "semver": "5.4.1",
+    "wurl": "2.5.0"
+  },
+  "optionalDependencies": {
+    "node-mac-notifier": "1.1.0"
+  }
+}

app/renderer/about.html

@@ -14,19 +14,33 @@
             <div class="maintenance-info">
                 <p class="detail maintainer">
                     Maintained by
-                    <a href="https://zulip.com" target="_blank" rel="noopener noreferrer">Zulip</a>
+                    <a onclick="linkInBrowser('website')">Zulip</a>
                 </p>
                 <p class="detail license">
                     Available under the
-                    <a href="https://github.com/zulip/zulip-desktop/blob/master/LICENSE" target="_blank" rel="noopener noreferrer">Apache 2.0 License</a>
+                    <a onclick="linkInBrowser('license')">Apache 2.0 License</a>
                 </p>
             </div>
         </div>
         <script>
 
             const { app } = require('electron').remote;
+            const { shell } = require('electron');
             const version_tag = document.querySelector('#version');
             version_tag.innerHTML = 'v' + app.getVersion();
+
+            function linkInBrowser(type) {
+                let url;
+                switch (type) {
+                    case 'website':
+                        url = "https://zulipchat.com";
+                        break;
+                    case 'license':
+                        url = "https://github.com/zulip/zulip-desktop/blob/master/LICENSE";
+                        break;
+                }
+                shell.openExternal(url);
+            }
         </script>
         <script>require('./js/shared/preventdrag.js')</script>
     </body>

app/renderer/css/feedback.css

@@ -1,19 +0,0 @@
-:host {
-    --button-color: rgb(69, 166, 149);
-}
-
-button:hover,
-button:focus {
-    border-color: var(--button-color);
-    color: var(--button-color);
-}
-  
-button:active {
-    background-color: rgb(241, 241, 241);
-    color: var(--button-color);
-}
-
-button {
-    background-color: var(--button-color);
-    border-color: var(--button-color);
-}

app/renderer/css/preference.css

@@ -389,10 +389,6 @@ img.server-info-icon {
     margin: 6px;
 }
 
-#note {
-    font-size: 10px;
-}
-
 .code {
     font-family: Courier New, Courier, monospace;
 }
@@ -667,26 +663,6 @@ i.open-network-button {
 }
 
 /* responsive grid */
-@media (min-width: 500px) and (max-width: 720px) {
-    #new-server-container {
-        padding-left: 0px;
-        width: 60vw;
-        padding-right: 4vh;
-    }
-    .page-title {
-        width: 60vw;
-    }
-}
-
-@media (max-width: 500px) {
-    #new-server-container {
-        padding-left: 0px;
-        width: 54%;
-    }
-    .page-title {
-        width: 54%;
-    }
-}
 
 @media (max-width: 650px) {
     .selected-css-path,
@@ -719,6 +695,9 @@ i.open-network-button {
         margin-right: 6px;
         width: 43%;
     }
+    #new-server-container {
+        padding-left: 0px;
+    }
 }
 
 @media (max-width: 600px) {
@@ -745,13 +724,3 @@ i.open-network-button {
         margin-top: 10px;
     }
 }
-
-.lang-menu {
-    font-size: 13px;
-    font-weight: bold;
-    background: rgba(78, 191, 172, 1.000);
-    width: 100px;
-    height: 38px;
-    color: rgba(255, 255, 255, 1.000);
-    border-color: rgba(0, 0, 0, 0);
-}

app/renderer/js/clipboard-decrypter.ts

@@ -1,82 +0,0 @@
-import crypto from 'crypto';
-import {clipboard} from 'electron';
-
-// This helper is exposed via electron_bridge for use in the social
-// login flow.
-//
-// It consists of a key and a promised token.  The in-app page sends
-// the key to the server, and opens the user’s browser to a page where
-// they can log in and get a token encrypted to that key.  When the
-// user copies the encrypted token from their browser to the
-// clipboard, we decrypt it and resolve the promise.  The in-app page
-// then uses the decrypted token to log the user in within the app.
-//
-// The encryption is authenticated (AES-GCM) to guarantee that we
-// don’t leak anything from the user’s clipboard other than the token
-// intended for us.
-
-export class ClipboardDecrypterImpl implements ClipboardDecrypter {
-	version: number;
-	key: Uint8Array;
-	pasted: Promise<string>;
-
-	constructor(_: number) {
-		// At this time, the only version is 1.
-		this.version = 1;
-		this.key = crypto.randomBytes(32);
-		this.pasted = new Promise(resolve => {
-			let interval: NodeJS.Timeout | null = null;
-			const startPolling = () => {
-				if (interval === null) {
-					interval = setInterval(poll, 1000);
-				}
-
-				poll();
-			};
-
-			const stopPolling = () => {
-				if (interval !== null) {
-					clearInterval(interval);
-					interval = null;
-				}
-			};
-
-			const poll = () => {
-				let plaintext;
-
-				try {
-					const data = Buffer.from(clipboard.readText(), 'hex');
-					const iv = data.slice(0, 12);
-					const ciphertext = data.slice(12, -16);
-					const authTag = data.slice(-16);
-					const decipher = crypto.createDecipheriv(
-						'aes-256-gcm',
-						this.key,
-						iv,
-						{authTagLength: 16}
-					);
-					decipher.setAuthTag(authTag);
-					plaintext =
-						decipher.update(ciphertext, undefined, 'utf8') +
-						decipher.final('utf8');
-				} catch {
-					// If the parsing or decryption failed in any way,
-					// the correct token hasn’t been copied yet; try
-					// again next time.
-					return;
-				}
-
-				window.removeEventListener('focus', startPolling);
-				window.removeEventListener('blur', stopPolling);
-				stopPolling();
-				resolve(plaintext);
-			};
-
-			window.addEventListener('focus', startPolling);
-			window.addEventListener('blur', stopPolling);
-			if (document.hasFocus()) {
-				startPolling();
-			}
-		});
-	}
-}

app/renderer/js/components/base.ts

@@ -1,7 +1,11 @@
-export default class BaseComponent {
+'use strict';
+
+class BaseComponent {
 	generateNodeFromTemplate(template: string): Element | null {
 		const wrapper = document.createElement('div');
 		wrapper.innerHTML = template;
 		return wrapper.firstElementChild;
 	}
 }
+
+export = BaseComponent;

app/renderer/js/components/context-menu.ts

@@ -1,115 +0,0 @@
-import {remote, ContextMenuParams} from 'electron';
-
-import * as t from '../utils/translation-util';
-
-const {clipboard, Menu} = remote;
-
-export const contextMenu = (webContents: Electron.WebContents, event: Event, props: ContextMenuParams) => {
-	const isText = props.selectionText !== '';
-	const isLink = props.linkURL !== '';
-	const linkURL = isLink ? new URL(props.linkURL) : undefined;
-	const isEmailAddress = isLink ? linkURL.protocol === 'mailto:' : undefined;
-
-	const makeSuggestion = (suggestion: string) => ({
-		label: suggestion,
-		visible: true,
-		async click() {
-			await webContents.insertText(suggestion);
-		}
-	});
-
-	let menuTemplate: Electron.MenuItemConstructorOptions[] = [{
-		label: t.__('Add to Dictionary'),
-		visible: props.isEditable && isText && props.misspelledWord.length !== 0,
-		click(_item) {
-			webContents.session.addWordToSpellCheckerDictionary(props.misspelledWord);
-		}
-	}, {
-		type: 'separator',
-		visible: props.isEditable && isText && props.misspelledWord.length !== 0
-	}, {
-		label: `${t.__('Look Up')} "${props.selectionText}"`,
-		visible: process.platform === 'darwin' && isText,
-		click(_item) {
-			webContents.showDefinitionForSelection();
-		}
-	}, {
-		type: 'separator',
-		visible: process.platform === 'darwin' && isText
-	}, {
-		label: t.__('Cut'),
-		visible: isText,
-		enabled: props.isEditable,
-		accelerator: 'CommandOrControl+X',
-		click(_item) {
-			webContents.cut();
-		}
-	}, {
-		label: t.__('Copy'),
-		accelerator: 'CommandOrControl+C',
-		enabled: props.editFlags.canCopy,
-		click(_item) {
-			webContents.copy();
-		}
-	}, {
-		label: t.__('Paste'), // Bug: Paste replaces text
-		accelerator: 'CommandOrControl+V',
-		enabled: props.isEditable,
-		click() {
-			webContents.paste();
-		}
-	}, {
-		type: 'separator'
-	}, {
-		label: isEmailAddress ? t.__('Copy Email Address') : t.__('Copy Link'),
-		visible: isLink,
-		click(_item) {
-			clipboard.write({
-				bookmark: props.linkText,
-				text: isEmailAddress ? linkURL.pathname : props.linkURL
-			});
-		}
-	}, {
-		label: t.__('Copy Image'),
-		visible: props.mediaType === 'image',
-		click(_item) {
-			webContents.copyImageAt(props.x, props.y);
-		}
-	}, {
-		label: t.__('Copy Image URL'),
-		visible: props.mediaType === 'image',
-		click(_item) {
-			clipboard.write({
-				bookmark: props.srcURL,
-				text: props.srcURL
-			});
-		}
-	}, {
-		type: 'separator',
-		visible: isLink || props.mediaType === 'image'
-	}, {
-		label: t.__('Services'),
-		visible: process.platform === 'darwin',
-		role: 'services'
-	}];
-
-	if (props.misspelledWord) {
-		if (props.dictionarySuggestions.length > 0) {
-			const suggestions: Electron.MenuItemConstructorOptions[] = props.dictionarySuggestions.map((suggestion: string) => makeSuggestion(suggestion));
-			menuTemplate = suggestions.concat(menuTemplate);
-		} else {
-			menuTemplate.unshift({
-				label: t.__('No Suggestion Found'),
-				enabled: false
-			});
-		}
-	}
-	// Hide the invisible separators on Linux and Windows
-	// Electron has a bug which ignores visible: false parameter for separator menuitems. So we remove them here.
-	// https://github.com/electron/electron/issues/5869
-	// https://github.com/electron/electron/issues/6906
-
-	const filteredMenuTemplate = menuTemplate.filter(menuItem => menuItem.visible ?? true);
-	const menu = Menu.buildFromTemplate(filteredMenuTemplate);
-	menu.popup();
-};

app/renderer/js/components/functional-tab.ts

@@ -1,13 +1,9 @@
-import Tab, {TabProps} from './tab';
+'use strict';
 
-export default class FunctionalTab extends Tab {
+import Tab = require('./tab');
+
+class FunctionalTab extends Tab {
 	$closeButton: Element;
-
-	constructor(props: TabProps) {
-		super(props);
-		this.init();
-	}
-
 	template(): string {
 		return `<div class="tab functional-tab" data-tab-id="${this.props.tabIndex}">
 					<div class="server-tab-badge close-button">
@@ -19,6 +15,12 @@ export default class FunctionalTab extends Tab {
 				</div>`;
 	}
 
+	// TODO: Typescript - This type for props should be TabProps
+	constructor(props: any) {
+		super(props);
+		this.init();
+	}
+
 	init(): void {
 		this.$el = this.generateNodeFromTemplate(this.template());
 		if (this.props.name !== 'Settings') {
@@ -39,9 +41,11 @@ export default class FunctionalTab extends Tab {
 			this.$closeButton.classList.remove('active');
 		});
 
-		this.$closeButton.addEventListener('click', (event: Event) => {
+		this.$closeButton.addEventListener('click', (e: Event) => {
 			this.props.onDestroy();
-			event.stopPropagation();
+			e.stopPropagation();
 		});
 	}
 }
+
+export = FunctionalTab;

app/renderer/js/components/handle-external-link.ts

@@ -1,61 +1,83 @@
-import {ipcRenderer, remote} from 'electron';
+import { ipcRenderer, remote } from 'electron';
 
-import * as ConfigUtil from '../utils/config-util';
-import * as LinkUtil from '../utils/link-util';
+import LinkUtil = require('../utils/link-util');
+import DomainUtil = require('../utils/domain-util');
+import ConfigUtil = require('../utils/config-util');
 
-import type WebView from './webview';
-
-const {shell, app} = remote;
+const { shell, app } = remote;
 
 const dingSound = new Audio('../resources/sounds/ding.ogg');
 
-export default function handleExternalLink(this: WebView, event: Electron.NewWindowEvent): void {
-	event.preventDefault();
-
-	const url = new URL(event.url);
+// TODO: TypeScript - Figure out a way to pass correct type here.
+function handleExternalLink(this: any, event: any): void {
+	const { url } = event;
+	const domainPrefix = DomainUtil.getDomain(this.props.index).url;
 	const downloadPath = ConfigUtil.getConfigItem('downloadsPath', `${app.getPath('downloads')}`);
+	const shouldShowInFolder = ConfigUtil.getConfigItem('showDownloadFolder', false);
 
-	if (LinkUtil.isUploadsUrl(this.props.url, url)) {
-		ipcRenderer.send('downloadFile', url.href, downloadPath);
-		ipcRenderer.once('downloadFileCompleted', async (_event: Event, filePath: string, fileName: string) => {
-			const downloadNotification = new Notification('Download Complete', {
-				body: `Click to show ${fileName} in folder`,
-				silent: true // We'll play our own sound - ding.ogg
-			});
+	// Whitelist URLs which are allowed to be opened in the app
+	const {
+		isInternalUrl: isWhiteListURL,
+		isUploadsUrl: isUploadsURL
+	} = LinkUtil.isInternal(domainPrefix, url);
 
-			downloadNotification.addEventListener('click', () => {
-				// Reveal file in download folder
-				shell.showItemInFolder(filePath);
-			});
-			ipcRenderer.removeAllListeners('downloadFileFailed');
+	if (isWhiteListURL) {
+		event.preventDefault();
 
-			// Play sound to indicate download complete
-			if (!ConfigUtil.getConfigItem('silent')) {
-				await dingSound.play();
-			}
-		});
+		// Code to show pdf in a new BrowserWindow (currently commented out due to bug-upstream)
+		// Show pdf attachments in a new window
+		// if (LinkUtil.isPDF(url) && isUploadsURL) {
+		// 	ipcRenderer.send('pdf-view', url);
+		// 	return;
+		// }
 
-		ipcRenderer.once('downloadFileFailed', (_event: Event, state: string) => {
-			// Automatic download failed, so show save dialog prompt and download
-			// through webview
-			// Only do this if it is the automatic download, otherwise show an error (so we aren't showing two save
-			// prompts right after each other)
-			// Check that the download is not cancelled by user
-			if (state !== 'cancelled') {
-				if (ConfigUtil.getConfigItem('promptDownload', false)) {
-					// We need to create a "new Notification" to display it, but just `Notification(...)` on its own
-					// doesn't work
-					new Notification('Download Complete', { // eslint-disable-line no-new
-						body: 'Download failed'
-					});
-				} else {
-					this.$el.downloadURL(url.href);
+		// download txt, mp3, mp4 etc.. by using downloadURL in the
+		// main process which allows the user to save the files to their desktop
+		// and not trigger webview reload while image in webview will
+		// do nothing and will not save it
+
+		// Code to show pdf in a new BrowserWindow (currently commented out due to bug-upstream)
+		// if (!LinkUtil.isImage(url) && !LinkUtil.isPDF(url) && isUploadsURL) {
+		if (!LinkUtil.isImage(url) && isUploadsURL) {
+			ipcRenderer.send('downloadFile', url, downloadPath);
+			ipcRenderer.once('downloadFileCompleted', (_event: Event, filePath: string, fileName: string) => {
+				const downloadNotification = new Notification('Download Complete', {
+					body: shouldShowInFolder ? `Click to show ${fileName} in folder` : `Click to open ${fileName}`,
+					silent: true // We'll play our own sound - ding.ogg
+				});
+
+				// Play sound to indicate download complete
+				if (!ConfigUtil.getConfigItem('silent')) {
+					dingSound.play();
 				}
-			}
 
-			ipcRenderer.removeAllListeners('downloadFileCompleted');
-		});
+				downloadNotification.addEventListener('click', () => {
+					if (shouldShowInFolder) {
+						// Reveal file in download folder
+						shell.showItemInFolder(filePath);
+					} else {
+						// Open file in the default native app
+						shell.openItem(filePath);
+					}
+				});
+				ipcRenderer.removeAllListeners('downloadFileFailed');
+			});
+
+			ipcRenderer.once('downloadFileFailed', () => {
+				// Automatic download failed, so show save dialog prompt and download
+				// through webview
+				this.$el.downloadURL(url);
+				ipcRenderer.removeAllListeners('downloadFileCompleted');
+			});
+			return;
+		}
+
+		// open internal urls inside the current webview.
+		this.$el.loadURL(url);
 	} else {
-		(async () => LinkUtil.openBrowser(url))();
+		event.preventDefault();
+		shell.openExternal(url);
 	}
 }
+
+export = handleExternalLink;

app/renderer/js/components/server-tab.ts

@@ -1,17 +1,13 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import * as SystemUtil from '../utils/system-util';
+import { ipcRenderer } from 'electron';
 
-import Tab, {TabProps} from './tab';
+import Tab = require('./tab');
+import SystemUtil = require('../utils/system-util');
 
-export default class ServerTab extends Tab {
+class ServerTab extends Tab {
 	$badge: Element;
 
-	constructor(props: TabProps) {
-		super(props);
-		this.init();
-	}
-
 	template(): string {
 		return `<div class="tab" data-tab-id="${this.props.tabIndex}">
 					<div class="server-tooltip" style="display:none">${this.props.name}</div>
@@ -23,6 +19,12 @@ export default class ServerTab extends Tab {
 				</div>`;
 	}
 
+	// TODO: Typescript - This type for props should be TabProps
+	constructor(props: any) {
+		super(props);
+		this.init();
+	}
+
 	init(): void {
 		this.$el = this.generateNodeFromTemplate(this.template());
 		this.props.$root.append(this.$el);
@@ -62,3 +64,5 @@ export default class ServerTab extends Tab {
 		return shortcutText;
 	}
 }
+
+export = ServerTab;

app/renderer/js/components/tab.ts

@@ -1,22 +1,14 @@
-import BaseComponent from './base';
-import WebView from './webview';
+'use strict';
 
-export interface TabProps {
-	role: string;
-	icon?: string;
-	name: string;
-	$root: Element;
-	onClick: () => void;
-	index: number;
-	tabIndex: number;
-	onHover?: () => void;
-	onHoverOut?: () => void;
-	webview: WebView;
-	materialIcon?: string;
-	onDestroy?: () => void;
+import WebView = require('./webview');
+import BaseComponent = require('./base');
+
+// TODO: TypeScript - Type annotate props
+interface TabProps {
+	[key: string]: any;
 }
 
-export default class Tab extends BaseComponent {
+class Tab extends BaseComponent {
 	props: TabProps;
 	webview: WebView;
 	$el: Element;
@@ -48,7 +40,9 @@ export default class Tab extends BaseComponent {
 	}
 
 	destroy(): void {
-		this.$el.remove();
-		this.webview.$el.remove();
+		this.$el.parentNode.removeChild(this.$el);
+		this.webview.$el.parentNode.removeChild(this.webview.$el);
 	}
 }
+
+export = Tab;

app/renderer/js/components/webview.ts

@@ -1,49 +1,40 @@
-import {ipcRenderer, remote} from 'electron';
-import fs from 'fs';
-import path from 'path';
+'use strict';
+import { remote } from 'electron';
 
-import * as ConfigUtil from '../utils/config-util';
-import * as SystemUtil from '../utils/system-util';
+import path = require('path');
+import fs = require('fs');
+import ConfigUtil = require('../utils/config-util');
+import SystemUtil = require('../utils/system-util');
+import BaseComponent = require('../components/base');
+import handleExternalLink = require('../components/handle-external-link');
 
-import BaseComponent from './base';
-import {contextMenu} from './context-menu';
-import handleExternalLink from './handle-external-link';
-
-const {app, dialog} = remote;
+const { app, dialog } = remote;
 
 const shouldSilentWebview = ConfigUtil.getConfigItem('silent');
 
+// TODO: TypeScript - Type annotate WebViewProps.
 interface WebViewProps {
-	$root: Element;
-	index: number;
-	tabIndex: number;
-	url: string;
-	role: string;
-	name: string;
-	isActive: () => boolean;
-	switchLoading: (loading: boolean, url: string) => void;
-	onNetworkError: (index: number) => void;
-	nodeIntegration: boolean;
-	preload: boolean;
-	onTitleChange: () => void;
-	hasPermission?: (origin: string, permission: string) => boolean;
+	[key: string]: any;
 }
 
-export default class WebView extends BaseComponent {
-	props: WebViewProps;
+class WebView extends BaseComponent {
+	props: any;
 	zoomFactor: number;
 	badgeCount: number;
 	loading: boolean;
 	customCSS: string;
 	$webviewsContainer: DOMTokenList;
 	$el: Electron.WebviewTag;
-	domReady?: Promise<void>;
+
+	// This is required because in main.js we access WebView.method as
+	// webview[method].
+	[key: string]: any;
 
 	constructor(props: WebViewProps) {
 		super();
 
 		this.props = props;
-		this.zoomFactor = 1;
+		this.zoomFactor = 1.0;
 		this.loading = true;
 		this.badgeCount = 0;
 		this.customCSS = ConfigUtil.getConfigItem('customCSS');
@@ -59,19 +50,12 @@ export default class WebView extends BaseComponent {
 					${this.props.preload ? 'preload="js/preload.js"' : ''}
 					partition="persist:webviewsession"
 					name="${this.props.name}"
-					webpreferences="
-						${this.props.nodeIntegration ? '' : 'contextIsolation,'}
-						${ConfigUtil.getConfigItem('enableSpellchecker') ? 'spellcheck,' : ''}
-						javascript
-					">
+					webpreferences="allowRunningInsecureContent, javascript=yes">
 				</webview>`;
 	}
 
 	init(): void {
 		this.$el = this.generateNodeFromTemplate(this.template()) as Electron.WebviewTag;
-		this.domReady = new Promise(resolve => {
-			this.$el.addEventListener('dom-ready', () => resolve(), true);
-		});
 		this.props.$root.append(this.$el);
 
 		this.registerListeners();
@@ -89,7 +73,7 @@ export default class WebView extends BaseComponent {
 		}
 
 		this.$el.addEventListener('page-title-updated', event => {
-			const {title} = event;
+			const { title } = event;
 			this.badgeCount = this.getBadgeCount(title);
 			this.props.onTitleChange();
 		});
@@ -99,7 +83,6 @@ export default class WebView extends BaseComponent {
 			if (isSettingPage) {
 				return;
 			}
-
 			this.canGoBackButton();
 		});
 
@@ -108,14 +91,14 @@ export default class WebView extends BaseComponent {
 		});
 
 		this.$el.addEventListener('page-favicon-updated', event => {
-			const {favicons} = event;
+			const { favicons } = event;
 
 			// This returns a string of favicons URL. If there is a PM counts in unread messages then the URL would be like
 			// https://chat.zulip.org/static/images/favicon/favicon-pms.png
 			if (favicons[0].indexOf('favicon-pms') > 0 && process.platform === 'darwin') {
 				// This api is only supported on macOS
 				app.dock.setBadge('●');
-				// Bounce the dock
+				// bounce the dock
 				if (ConfigUtil.getConfigItem('dockBouncing')) {
 					app.dock.bounce();
 				}
@@ -123,15 +106,9 @@ export default class WebView extends BaseComponent {
 		});
 
 		this.$el.addEventListener('dom-ready', () => {
-			const webContents = remote.webContents.fromId(this.$el.getWebContentsId());
-			webContents.addListener('context-menu', (event, menuParameters) => {
-				contextMenu(webContents, event, menuParameters);
-			});
-
 			if (this.props.role === 'server') {
 				this.$el.classList.add('onload');
 			}
-
 			this.loading = false;
 			this.props.switchLoading(false, this.props.url);
 			this.show();
@@ -143,7 +120,7 @@ export default class WebView extends BaseComponent {
 		});
 
 		this.$el.addEventListener('did-fail-load', event => {
-			const {errorDescription} = event;
+			const { errorDescription } = event;
 			const hasConnectivityErr = SystemUtil.connectivityERR.includes(errorDescription);
 			if (hasConnectivityErr) {
 				console.error('error', errorDescription);
@@ -158,6 +135,12 @@ export default class WebView extends BaseComponent {
 			if (!isSettingPage) {
 				this.props.switchLoading(true, this.props.url);
 			}
+			let userAgent = SystemUtil.getUserAgent();
+			if (!userAgent) {
+				SystemUtil.setUserAgent(this.$el.getUserAgent());
+				userAgent = SystemUtil.getUserAgent();
+			}
+			this.$el.setUserAgent(userAgent);
 		});
 
 		this.$el.addEventListener('did-stop-loading', () => {
@@ -171,7 +154,7 @@ export default class WebView extends BaseComponent {
 	}
 
 	showNotificationSettings(): void {
-		ipcRenderer.sendTo(this.$el.getWebContentsId(), 'show-notification-settings');
+		this.$el.executeJavaScript('showNotificationSettings()');
 	}
 
 	show(): void {
@@ -197,27 +180,27 @@ export default class WebView extends BaseComponent {
 		this.focus();
 		this.props.onTitleChange();
 		// Injecting preload css in webview to override some css rules
-		(async () => this.$el.insertCSS(fs.readFileSync(path.join(__dirname, '/../../css/preload.css'), 'utf8')))();
+		this.$el.insertCSS(fs.readFileSync(path.join(__dirname, '/../../css/preload.css'), 'utf8'));
 
-		// Get customCSS again from config util to avoid warning user again
+		// get customCSS again from config util to avoid warning user again
 		this.customCSS = ConfigUtil.getConfigItem('customCSS');
 		if (this.customCSS) {
 			if (!fs.existsSync(this.customCSS)) {
 				this.customCSS = null;
 				ConfigUtil.setConfigItem('customCSS', null);
 
-				const errorMessage = 'The custom css previously set is deleted!';
-				dialog.showErrorBox('custom css file deleted!', errorMessage);
+				const errMsg = 'The custom css previously set is deleted!';
+				dialog.showErrorBox('custom css file deleted!', errMsg);
 				return;
 			}
 
-			(async () => this.$el.insertCSS(fs.readFileSync(path.resolve(__dirname, this.customCSS), 'utf8')))();
+			this.$el.insertCSS(fs.readFileSync(path.resolve(__dirname, this.customCSS), 'utf8'));
 		}
 	}
 
 	focus(): void {
-		// Focus Webview and it's contents when Window regain focus.
-		const webContents = remote.webContents.fromId(this.$el.getWebContentsId());
+		// focus Webview and it's contents when Window regain focus.
+		const webContents = this.$el.getWebContents();
 		// HACK: webContents.isFocused() seems to be true even without the element
 		// being in focus. So, we check against `document.activeElement`.
 		if (webContents && this.$el !== document.activeElement) {
@@ -254,16 +237,16 @@ export default class WebView extends BaseComponent {
 	}
 
 	zoomActualSize(): void {
-		this.zoomFactor = 1;
+		this.zoomFactor = 1.0;
 		this.$el.setZoomFactor(this.zoomFactor);
 	}
 
 	logOut(): void {
-		ipcRenderer.sendTo(this.$el.getWebContentsId(), 'logout');
+		this.$el.executeJavaScript('logout()');
 	}
 
 	showShortcut(): void {
-		ipcRenderer.sendTo(this.$el.getWebContentsId(), 'shortcut');
+		this.$el.executeJavaScript('shortcut()');
 	}
 
 	openDevTools(): void {
@@ -305,8 +288,9 @@ export default class WebView extends BaseComponent {
 		this.init();
 	}
 
-	async send(channel: string, ...parameters: unknown[]): Promise<void> {
-		await this.domReady;
-		await this.$el.send(channel, ...parameters);
+	send(channel: string, ...param: any[]): void {
+		this.$el.send(channel, ...param);
 	}
 }
+
+export = WebView;

app/renderer/js/electron-bridge.ts

@@ -1,12 +1,14 @@
-import {ipcRenderer} from 'electron';
-import {EventEmitter} from 'events';
+import { ipcRenderer } from 'electron';
 
-import {ClipboardDecrypterImpl} from './clipboard-decrypter';
-import {NotificationData, newNotification} from './notification';
+import events = require('events');
 
 type ListenerType = ((...args: any[]) => void);
 
-class ElectronBridgeImpl extends EventEmitter implements ElectronBridge {
+// we have and will have some non camelcase stuff
+// while working with zulip so just turning the rule off
+// for the whole file.
+/* eslint-disable @typescript-eslint/camelcase */
+class ElectronBridge extends events {
 	send_notification_reply_message_supported: boolean;
 	idle_on_system: boolean;
 	last_active_on_system: number;
@@ -21,37 +23,16 @@ class ElectronBridgeImpl extends EventEmitter implements ElectronBridge {
 		this.last_active_on_system = Date.now();
 	}
 
-	send_event = (eventName: string | symbol, ...args: unknown[]): void => {
+	send_event(eventName: string | symbol, ...args: any[]): void {
 		this.emit(eventName, ...args);
-	};
+	}
 
-	on_event = (eventName: string, listener: ListenerType): void => {
+	on_event(eventName: string, listener: ListenerType): void {
 		this.on(eventName, listener);
-	};
-
-	new_notification = (
-		title: string,
-		options: NotificationOptions | undefined,
-		dispatch: (type: string, eventInit: EventInit) => boolean
-	): NotificationData =>
-		newNotification(title, options, dispatch);
-
-	get_idle_on_system = (): boolean => this.idle_on_system;
-
-	get_last_active_on_system = (): number => this.last_active_on_system;
-
-	get_send_notification_reply_message_supported = (): boolean =>
-		this.send_notification_reply_message_supported;
-
-	set_send_notification_reply_message_supported = (value: boolean): void => {
-		this.send_notification_reply_message_supported = value;
-	};
-
-	decrypt_clipboard = (version: number): ClipboardDecrypterImpl =>
-		new ClipboardDecrypterImpl(version);
+	}
 }
 
-const electron_bridge = new ElectronBridgeImpl();
+const electron_bridge = new ElectronBridge();
 
 electron_bridge.on('total_unread_count', (...args) => {
 	ipcRenderer.send('unread-count', ...args);
@@ -62,19 +43,17 @@ electron_bridge.on('realm_name', realmName => {
 	ipcRenderer.send('realm-name-changed', serverURL, realmName);
 });
 
-electron_bridge.on('realm_icon_url', (iconURL: unknown) => {
-	if (typeof iconURL !== 'string') {
-		throw new TypeError('Expected string for iconURL');
-	}
-
+electron_bridge.on('realm_icon_url', iconURL => {
 	const serverURL = location.origin;
 	iconURL = iconURL.includes('http') ? iconURL : `${serverURL}${iconURL}`;
 	ipcRenderer.send('realm-icon-changed', serverURL, iconURL);
 });
 
-// This follows node's idiomatic implementation of event
+// this follows node's idiomatic implementation of event
 // emitters to make event handling more simpler instead of using
 // functions zulip side will emit event using ElectronBrigde.send_event
 // which is alias of .emit and on this side we can handle the data by adding
 // a listener for the event.
-export default electron_bridge;
+export = electron_bridge;
+
+/* eslint-enable @typescript-eslint/camelcase */

app/renderer/js/feedback.ts

@@ -1,36 +1,56 @@
-import {remote} from 'electron';
-import fs from 'fs';
-import path from 'path';
-
+import { remote } from 'electron';
 import SendFeedback from '@electron-elements/send-feedback';
 
-const {app} = remote;
+import path = require('path');
+import fs = require('fs');
+
+const { app } = remote;
+
+interface SendFeedback extends HTMLElement {
+	[key: string]: any;
+}
+
+type SendFeedbackType = SendFeedback;
+
+// make the button color match zulip app's theme
+SendFeedback.customStyles = `
+button:hover, button:focus {
+  border-color: #4EBFAC;
+  color: #4EBFAC;
+}
+
+button:active {
+  background-color: #f1f1f1;
+  color: #4EBFAC;
+}
+
+button {
+  background-color: #4EBFAC;
+  border-color: #4EBFAC;
+}
+`;
 
 customElements.define('send-feedback', SendFeedback);
-export const sendFeedback: SendFeedback = document.querySelector('send-feedback');
+export const sendFeedback: SendFeedbackType = document.querySelector('send-feedback');
 export const feedbackHolder = sendFeedback.parentElement;
 
-// Make the button color match zulip app's theme
-sendFeedback.customStylesheet = 'css/feedback.css';
-
-// Customize the fields of custom elements
+// customize the fields of custom elements
 sendFeedback.title = 'Report Issue';
 sendFeedback.titleLabel = 'Issue title:';
 sendFeedback.titlePlaceholder = 'Enter issue title';
 sendFeedback.textareaLabel = 'Describe the issue:';
 sendFeedback.textareaPlaceholder = 'Succinctly describe your issue and steps to reproduce it...';
-
 sendFeedback.buttonLabel = 'Report Issue';
 sendFeedback.loaderSuccessText = '';
 
 sendFeedback.useReporter('emailReporter', {
-	email: 'support@zulip.com'
+	email: 'akash@zulipchat.com'
 });
 
-feedbackHolder.addEventListener('click', (event: Event) => {
-	// Only remove the class if the grey out faded
+feedbackHolder.addEventListener('click', (e: Event) => {
+	// only remove the class if the grey out faded
 	// part is clicked and not the feedback element itself
-	if (event.target === event.currentTarget) {
+	if (e.target === e.currentTarget) {
 		feedbackHolder.classList.remove('show');
 	}
 });
@@ -41,10 +61,6 @@ sendFeedback.addEventListener('feedback-submitted', () => {
 	}, 1000);
 });
 
-sendFeedback.addEventListener('feedback-cancelled', () => {
-	feedbackHolder.classList.remove('show');
-});
-
 const dataDir = app.getPath('userData');
 const logsDir = path.join(dataDir, '/Logs');
 sendFeedback.logs.push(...fs.readdirSync(logsDir).map(file => path.join(logsDir, file)));

app/renderer/js/injected.ts

@@ -1,133 +0,0 @@
-'use strict';
-
-interface CompatElectronBridge extends ElectronBridge {
-	readonly idle_on_system: boolean;
-	readonly last_active_on_system: number;
-	send_notification_reply_message_supported: boolean;
-}
-
-(() => {
-	const zulipWindow = window as typeof window & {
-		electron_bridge: CompatElectronBridge;
-		narrow: {
-			by_subject?: (target_id: number, opts: {trigger?: string}) => void;
-			by_topic?: (target_id: number, opts: {trigger?: string}) => void;
-		};
-		page_params?: {
-			default_language?: string;
-		};
-		raw_electron_bridge: ElectronBridge;
-	};
-
-	const electron_bridge: CompatElectronBridge = {
-		...zulipWindow.raw_electron_bridge,
-
-		get idle_on_system(): boolean {
-			return this.get_idle_on_system();
-		},
-
-		get last_active_on_system(): number {
-			return this.get_last_active_on_system();
-		},
-
-		get send_notification_reply_message_supported(): boolean {
-			return this.get_send_notification_reply_message_supported();
-		},
-
-		set send_notification_reply_message_supported(value: boolean) {
-			this.set_send_notification_reply_message_supported(value);
-		}
-	};
-
-	zulipWindow.electron_bridge = electron_bridge;
-
-	(async () => {
-		if (document.readyState === 'loading') {
-			await new Promise(resolve => {
-				document.addEventListener('DOMContentLoaded', () => {
-					resolve();
-				});
-			});
-		}
-
-		const {page_params} = zulipWindow;
-		if (page_params) {
-			electron_bridge.send_event('zulip-loaded');
-		}
-	})();
-
-	electron_bridge.on_event('narrow-by-topic', (id: number) => {
-		const {narrow} = zulipWindow;
-		const narrowByTopic = narrow.by_topic || narrow.by_subject;
-		narrowByTopic(id, {trigger: 'notification'});
-	});
-
-	function attributeListener<T extends EventTarget>(type: string): PropertyDescriptor {
-		const symbol = Symbol('on' + type);
-
-		function listener(this: T, ev: Event): void {
-			if ((this as any)[symbol].call(this, ev) === false) {
-				ev.preventDefault();
-			}
-		}
-
-		return {
-			configurable: true,
-			enumerable: true,
-			get(this: T) {
-				return (this as any)[symbol];
-			},
-			set(this: T, value: unknown) {
-				if (typeof value === 'function') {
-					if (!(symbol in this)) {
-						this.addEventListener(type, listener);
-					}
-
-					(this as any)[symbol] = value;
-				} else if (symbol in this) {
-					this.removeEventListener(type, listener);
-					delete (this as any)[symbol];
-				}
-			}
-		};
-	}
-
-	const NativeNotification = Notification;
-
-	class InjectedNotification extends EventTarget {
-		constructor(title: string, options?: NotificationOptions) {
-			super();
-			Object.assign(
-				this,
-				electron_bridge.new_notification(title, options, (type: string, eventInit: EventInit) =>
-					this.dispatchEvent(new Event(type, eventInit))
-				)
-			);
-		}
-
-		static get maxActions(): number {
-			return NativeNotification.maxActions;
-		}
-
-		static get permission(): NotificationPermission {
-			return NativeNotification.permission;
-		}
-
-		static async requestPermission(callback?: NotificationPermissionCallback): Promise<NotificationPermission> {
-			if (callback) {
-				callback(await Promise.resolve(NativeNotification.permission));
-			}
-
-			return NativeNotification.permission;
-		}
-	}
-
-	Object.defineProperties(InjectedNotification.prototype, {
-		onclick: attributeListener('click'),
-		onclose: attributeListener('close'),
-		onerror: attributeListener('error'),
-		onshow: attributeListener('show')
-	});
-
-	window.Notification = InjectedNotification as any;
-})();

app/renderer/js/notification/darwin-notifications.ts

@@ -1,33 +1,34 @@
-import {ipcRenderer} from 'electron';
-
-import MacNotifier from 'node-mac-notifier';
-
-import electron_bridge from '../electron-bridge';
-import * as ConfigUtil from '../utils/config-util';
-
+'use strict';
+import { ipcRenderer } from 'electron';
 import {
-	appId, customReply, focusCurrentServer, parseReply
+	appId, customReply, focusCurrentServer, parseReply, setupReply
 } from './helpers';
 
+import url = require('url');
+import MacNotifier = require('node-mac-notifier');
+import ConfigUtil = require('../utils/config-util');
+
 type ReplyHandler = (response: string) => void;
 type ClickHandler = () => void;
 let replyHandler: ReplyHandler;
 let clickHandler: ClickHandler;
 
+declare const window: ZulipWebWindow;
 interface NotificationHandlerArgs {
 	response: string;
 }
 
 class DarwinNotification {
-	tag: number;
+	tag: string;
 
-	constructor(title: string, options: NotificationOptions) {
+	constructor(title: string, opts: NotificationOptions) {
 		const silent: boolean = ConfigUtil.getConfigItem('silent') || false;
-		const {icon} = options;
-		const profilePic = new URL(icon, location.href).href;
+		const { host, protocol } = location;
+		const { icon } = opts;
+		const profilePic = url.resolve(`${protocol}//${host}`, icon);
 
-		this.tag = Number.parseInt(options.tag, 10);
-		const notification = new MacNotifier(title, Object.assign(options, {
+		this.tag = opts.tag;
+		const notification = new MacNotifier(title, Object.assign(opts, {
 			bundleId: appId,
 			canReply: true,
 			silent,
@@ -35,7 +36,7 @@ class DarwinNotification {
 		}));
 
 		notification.addEventListener('click', () => {
-			// Focus to the server who sent the
+			// focus to the server who sent the
 			// notification if not focused already
 			if (clickHandler) {
 				clickHandler();
@@ -49,7 +50,7 @@ class DarwinNotification {
 	}
 
 	static requestPermission(): void {
-		// Do nothing
+		return; // eslint-disable-line no-useless-return
 	}
 
 	// Override default Notification permission
@@ -57,23 +58,23 @@ class DarwinNotification {
 		return ConfigUtil.getConfigItem('showNotification') ? 'granted' : 'denied';
 	}
 
-	get onreply(): ReplyHandler {
-		return replyHandler;
-	}
-
 	set onreply(handler: ReplyHandler) {
 		replyHandler = handler;
 	}
 
-	get onclick(): ClickHandler {
-		return clickHandler;
+	get onreply(): ReplyHandler {
+		return replyHandler;
 	}
 
 	set onclick(handler: ClickHandler) {
 		clickHandler = handler;
 	}
 
-	// Not something that is common or
+	get onclick(): ClickHandler {
+		return clickHandler;
+	}
+
+	// not something that is common or
 	// used by zulip server but added to be
 	// future proff.
 	addEventListener(event: string, handler: ClickHandler | ReplyHandler): void {
@@ -86,15 +87,15 @@ class DarwinNotification {
 		}
 	}
 
-	async notificationHandler({response}: NotificationHandlerArgs): Promise<void> {
-		response = await parseReply(response);
+	notificationHandler({ response }: NotificationHandlerArgs): void {
+		response = parseReply(response);
 		focusCurrentServer();
-		if (electron_bridge.send_notification_reply_message_supported) {
-			electron_bridge.send_event('send_notification_reply_message', this.tag, response);
+		if (window.electron_bridge.send_notification_reply_message_supported) {
+			window.electron_bridge.send_event('send_notification_reply_message', this.tag, response);
 			return;
 		}
 
-		electron_bridge.emit('narrow-by-topic', this.tag);
+		setupReply(this.tag);
 		if (replyHandler) {
 			replyHandler(response);
 			return;
@@ -103,10 +104,10 @@ class DarwinNotification {
 		customReply(response);
 	}
 
-	// Method specific to notification api
+	// method specific to notification api
 	// used by zulip
 	close(): void {
-		// Do nothing
+		return; // eslint-disable-line no-useless-return
 	}
 }
 

app/renderer/js/notification/default-notification.ts

@@ -1,25 +1,26 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import * as ConfigUtil from '../utils/config-util';
+import { ipcRenderer } from 'electron';
+import { focusCurrentServer } from './helpers';
 
-import {focusCurrentServer} from './helpers';
+import ConfigUtil = require('../utils/config-util');
 
 const NativeNotification = window.Notification;
-export default class BaseNotification extends NativeNotification {
-	constructor(title: string, options: NotificationOptions) {
-		options.silent = true;
-		super(title, options);
+class BaseNotification extends NativeNotification {
+	constructor(title: string, opts: NotificationOptions) {
+		opts.silent = true;
+		super(title, opts);
 
 		this.addEventListener('click', () => {
-			// Focus to the server who sent the
+			// focus to the server who sent the
 			// notification if not focused already
 			focusCurrentServer();
 			ipcRenderer.send('focus-app');
 		});
 	}
 
-	static async requestPermission(): Promise<NotificationPermission> {
-		return this.permission;
+	static requestPermission(): void {
+		return; // eslint-disable-line no-useless-return
 	}
 
 	// Override default Notification permission
@@ -27,3 +28,5 @@ export default class BaseNotification extends NativeNotification {
 		return ConfigUtil.getConfigItem('showNotification') ? 'granted' : 'denied';
 	}
 }
+
+export = BaseNotification;

app/renderer/js/notification/helpers.ts

@@ -1,6 +1,6 @@
-import {remote} from 'electron';
+import { remote } from 'electron';
 
-import Logger from '../utils/logger-util';
+import Logger = require('../utils/logger-util');
 
 const logger = new Logger({
 	file: 'errors.log',
@@ -14,28 +14,37 @@ export type BotListItem = [string, string];
 const botsList: BotListItem[] = [];
 let botsListLoaded = false;
 
-// This function load list of bots from the server
+// this function load list of bots from the server
+// sync=True for a synchronous getJSON request
 // in case botsList isn't already completely loaded when required in parseRely
-export async function loadBots(): Promise<void> {
+export function loadBots(sync = false): void {
+	const { $ } = window;
 	botsList.length = 0;
-	const response = await fetch('/json/users');
-	if (response.ok) {
-		const {members} = await response.json();
-		members.forEach(({is_bot, full_name}: {[key: string]: unknown}) => {
-			if (is_bot && typeof full_name === 'string') {
-				const bot = `@${full_name}`;
-				const mention = `@**${bot.replace(/^@/, '')}**`;
-				botsList.push([bot, mention]);
-			}
+	if (sync) {
+		$.ajaxSetup({async: false});
+	}
+	$.getJSON('/json/users')
+		.done((data: any) => {
+			const { members } = data;
+			members.forEach((membersRow: any) => {
+				if (membersRow.is_bot) {
+					const bot = `@${membersRow.full_name}`;
+					const mention = `@**${bot.replace(/^@/, '')}**`;
+					botsList.push([bot, mention]);
+				}
+			});
+			botsListLoaded = true;
+		})
+		.fail((error: any) => {
+			logger.log('Load bots request failed: ', error.responseText);
+			logger.log('Load bots request status: ', error.statusText);
 		});
-		botsListLoaded = true;
-	} else {
-		logger.log('Load bots request failed: ', await response.text());
-		logger.log('Load bots request status: ', response.status);
+	if (sync) {
+		$.ajaxSetup({async: true});
 	}
 }
 
-export function checkElements(...elements: unknown[]): boolean {
+export function checkElements(...elements: any[]): boolean {
 	let status = true;
 	elements.forEach(element => {
 		if (element === null || element === undefined) {
@@ -46,14 +55,14 @@ export function checkElements(...elements: unknown[]): boolean {
 }
 
 export function customReply(reply: string): void {
-	// Server does not support notification reply yet.
+	// server does not support notification reply yet.
 	const buttonSelector = '.messagebox #send_controls button[type=submit]';
 	const messageboxSelector = '.selected_message .messagebox .messagebox-border .messagebox-content';
 	const textarea: HTMLInputElement = document.querySelector('#compose-textarea');
 	const messagebox: HTMLButtonElement = document.querySelector(messageboxSelector);
 	const sendButton: HTMLButtonElement = document.querySelector(buttonSelector);
 
-	// Sanity check for old server versions
+	// sanity check for old server versions
 	const elementsExists = checkElements(textarea, messagebox, sendButton);
 	if (!elementsExists) {
 		return;
@@ -68,18 +77,19 @@ const currentWindow = remote.getCurrentWindow();
 const webContents = remote.getCurrentWebContents();
 const webContentsId = webContents.id;
 
-// This function will focus the server that sent
+// this function will focus the server that sent
 // the notification. Main function implemented in main.js
 export function focusCurrentServer(): void {
-	currentWindow.webContents.send('focus-webview-with-id', webContentsId);
+	// TODO: TypeScript: currentWindow of type BrowserWindow doesn't
+	// have a .send() property per typescript.
+	(currentWindow as any).send('focus-webview-with-id', webContentsId);
 }
-
-// This function parses the reply from to notification
+// this function parses the reply from to notification
 // making it easier to reply from notification eg
 // @username in reply will be converted to @**username**
 // #stream in reply will be converted to #**stream**
 // bot mentions are not yet supported
-export async function parseReply(reply: string): Promise<string> {
+export function parseReply(reply: string): string {
 	const usersDiv = document.querySelectorAll('#user_presences li');
 	const streamHolder = document.querySelectorAll('#stream_filters li');
 
@@ -118,9 +128,9 @@ export async function parseReply(reply: string): Promise<string> {
 		reply = reply.replace(regex, streamMention);
 	});
 
-	// If botsList isn't completely loaded yet, make a request for list
-	if (!botsListLoaded) {
-		await loadBots();
+	// If botsList isn't completely loaded yet, make a synchronous getJSON request for list
+	if (botsListLoaded === false) {
+		loadBots(true);
 	}
 
 	// Iterate for every bot name and replace in reply
@@ -135,3 +145,9 @@ export async function parseReply(reply: string): Promise<string> {
 	reply = reply.replace(/\\n/, '\n');
 	return reply;
 }
+
+export function setupReply(id: string): void {
+	const { narrow } = window;
+	const narrowByTopic = narrow.by_topic || narrow.by_subject;
+	narrowByTopic(id, { trigger: 'notification' });
+}

app/renderer/js/notification/index.ts

@@ -1,69 +1,25 @@
-import {remote} from 'electron';
+'use strict';
 
-import DefaultNotification from './default-notification';
-import {appId} from './helpers';
+import { remote } from 'electron';
+import * as params from '../utils/params-util';
+import { appId, loadBots } from './helpers';
 
-const {app} = remote;
+import DefaultNotification = require('./default-notification');
+const { app } = remote;
 
 // From https://github.com/felixrieseberg/electron-windows-notifications#appusermodelid
 // On windows 8 we have to explicitly set the appUserModelId otherwise notification won't work.
 app.setAppUserModelId(appId);
 
-let Notification = DefaultNotification;
+window.Notification = DefaultNotification;
 
 if (process.platform === 'darwin') {
-	Notification = require('./darwin-notifications');
+	window.Notification = require('./darwin-notifications');
 }
 
-export interface NotificationData {
-	close: () => void;
-	title: string;
-	dir: NotificationDirection;
-	lang: string;
-	body: string;
-	tag: string;
-	image: string;
-	icon: string;
-	badge: string;
-	vibrate: readonly number[];
-	timestamp: number;
-	renotify: boolean;
-	silent: boolean;
-	requireInteraction: boolean;
-	data: unknown;
-	actions: readonly NotificationAction[];
-}
-
-export function newNotification(
-	title: string,
-	options: NotificationOptions | undefined,
-	dispatch: (type: string, eventInit: EventInit) => boolean
-): NotificationData {
-	const notification = new Notification(title, options);
-	for (const type of ['click', 'close', 'error', 'show']) {
-		notification.addEventListener(type, (ev: Event) => {
-			if (!dispatch(type, ev)) {
-				ev.preventDefault();
-			}
-		});
+window.addEventListener('load', () => {
+	// eslint-disable-next-line no-undef, @typescript-eslint/camelcase
+	if (params.isPageParams() && page_params.realm_uri) {
+		loadBots();
 	}
-
-	return {
-		close: () => notification.close(),
-		title: notification.title,
-		dir: notification.dir,
-		lang: notification.lang,
-		body: notification.body,
-		tag: notification.tag,
-		image: notification.image,
-		icon: notification.icon,
-		badge: notification.badge,
-		vibrate: notification.vibrate,
-		timestamp: notification.timestamp,
-		renotify: notification.renotify,
-		silent: notification.silent,
-		requireInteraction: notification.requireInteraction,
-		data: notification.data,
-		actions: notification.actions
-	};
-}
+});

app/renderer/js/pages/network.ts

@@ -1,10 +1,16 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-export function init($reconnectButton: Element, $settingsButton: Element): void {
-	$reconnectButton.addEventListener('click', () => {
-		ipcRenderer.send('forward-message', 'reload-viewer');
-	});
-	$settingsButton.addEventListener('click', () => {
-		ipcRenderer.send('forward-message', 'open-settings');
-	});
+import { ipcRenderer } from 'electron';
+
+class NetworkTroubleshootingView {
+	init($reconnectButton: Element, $settingsButton: Element): void {
+		$reconnectButton.addEventListener('click', () => {
+			ipcRenderer.send('forward-message', 'reload-viewer');
+		});
+		$settingsButton.addEventListener('click', () => {
+			ipcRenderer.send('forward-message', 'open-settings');
+		});
+	}
 }
+
+export = new NetworkTroubleshootingView();

app/renderer/js/pages/preference/add-certificate.ts

@@ -1,24 +1,23 @@
-import {remote, OpenDialogOptions} from 'electron';
-import path from 'path';
+'use-strict';
 
-import BaseComponent from '../../components/base';
-import * as CertificateUtil from '../../utils/certificate-util';
-import * as DomainUtil from '../../utils/domain-util';
-import * as t from '../../utils/translation-util';
+import { remote, OpenDialogOptions } from 'electron';
 
-interface AddCertificateProps {
-	$root: Element;
-}
+import path = require('path');
+import BaseComponent = require('../../components/base');
+import CertificateUtil = require('../../utils/certificate-util');
+import DomainUtil = require('../../utils/domain-util');
+import t = require('../../utils/translation-util');
 
-const {dialog} = remote;
+const { dialog } = remote;
 
-export default class AddCertificate extends BaseComponent {
-	props: AddCertificateProps;
+class AddCertificate extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	_certFile: string;
 	$addCertificate: Element | null;
 	addCertificateButton: Element | null;
 	serverUrl: HTMLInputElement | null;
-	constructor(props: AddCertificateProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 		this._certFile = '';
@@ -47,7 +46,7 @@ export default class AddCertificate extends BaseComponent {
 		this.initListeners();
 	}
 
-	async validateAndAdd(): Promise<void> {
+	validateAndAdd(): void {
 		const certificate = this._certFile;
 		const serverUrl = this.serverUrl.value;
 		if (certificate !== '' && serverUrl !== '') {
@@ -57,41 +56,45 @@ export default class AddCertificate extends BaseComponent {
 			if (!copy) {
 				return;
 			}
-
 			CertificateUtil.setCertificate(server, fileName);
-			this.serverUrl.value = '';
-			await dialog.showMessageBox({
+			dialog.showMessageBox({
 				title: 'Success',
-				message: 'Certificate saved!'
+				message: `Certificate saved!`
 			});
+			this.serverUrl.value = '';
 		} else {
 			dialog.showErrorBox('Error', `Please, ${serverUrl === '' ?
 				'Enter an Organization URL' : 'Choose certificate file'}`);
 		}
 	}
 
-	async addHandler(): Promise<void> {
+	addHandler(): void {
 		const showDialogOptions: OpenDialogOptions = {
 			title: 'Select file',
 			properties: ['openFile'],
-			filters: [{name: 'crt, pem', extensions: ['crt', 'pem']}]
+			filters: [{ name: 'crt, pem', extensions: ['crt', 'pem'] }]
 		};
-		const {filePaths, canceled} = await dialog.showOpenDialog(showDialogOptions);
-		if (!canceled) {
-			this._certFile = filePaths[0] || '';
-			await this.validateAndAdd();
-		}
+		dialog.showOpenDialog(showDialogOptions, selectedFile => {
+			if (selectedFile) {
+				this._certFile = selectedFile[0] || '';
+				this.validateAndAdd();
+			}
+		});
 	}
 
 	initListeners(): void {
-		this.addCertificateButton.addEventListener('click', async () => {
-			await this.addHandler();
+		this.addCertificateButton.addEventListener('click', () => {
+			this.addHandler();
 		});
 
-		this.serverUrl.addEventListener('keypress', async event => {
-			if (event.key === 'Enter') {
-				await this.addHandler();
+		this.serverUrl.addEventListener('keypress', event => {
+			const EnterkeyCode = event.keyCode;
+
+			if (EnterkeyCode === 13) {
+				this.addHandler();
 			}
 		});
 	}
 }
+
+export = AddCertificate;

app/renderer/js/pages/preference/badge-settings.ts

@@ -1,44 +1,63 @@
-import electron, {app} from 'electron';
+'use strict';
+import { app } from 'electron';
 
-import * as ConfigUtil from '../../utils/config-util';
+import electron = require('electron');
+import ConfigUtil = require('../../utils/config-util');
 
-function showBadgeCount(messageCount: number, mainWindow: electron.BrowserWindow): void {
-	if (process.platform === 'win32') {
-		updateOverlayIcon(messageCount, mainWindow);
-	} else {
-		app.badgeCount = messageCount;
+let instance: BadgeSettings | any = null;
+
+class BadgeSettings {
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
+
+		return instance;
+	}
+
+	showBadgeCount(messageCount: number, mainWindow: electron.BrowserWindow): void {
+		if (process.platform === 'win32') {
+			this.updateOverlayIcon(messageCount, mainWindow);
+		} else {
+			// This should work on both macOS and Linux
+			app.setBadgeCount(messageCount);
+		}
+	}
+
+	hideBadgeCount(mainWindow: electron.BrowserWindow): void {
+		if (process.platform === 'darwin') {
+			app.setBadgeCount(0);
+		}
+		if (process.platform === 'win32') {
+			mainWindow.setOverlayIcon(null, '');
+		}
+	}
+
+	updateBadge(badgeCount: number, mainWindow: electron.BrowserWindow): void {
+		if (ConfigUtil.getConfigItem('badgeOption', true)) {
+			this.showBadgeCount(badgeCount, mainWindow);
+		} else {
+			this.hideBadgeCount(mainWindow);
+		}
+	}
+
+	updateOverlayIcon(messageCount: number, mainWindow: electron.BrowserWindow): void {
+		if (!mainWindow.isFocused()) {
+			mainWindow.flashFrame(ConfigUtil.getConfigItem('flashTaskbarOnMessage'));
+		}
+		if (messageCount === 0) {
+			mainWindow.setOverlayIcon(null, '');
+		} else {
+			mainWindow.webContents.send('render-taskbar-icon', messageCount);
+		}
+	}
+
+	updateTaskbarIcon(data: string, text: string, mainWindow: electron.BrowserWindow): void {
+		const img = electron.nativeImage.createFromDataURL(data);
+		mainWindow.setOverlayIcon(img, text);
 	}
 }
 
-function hideBadgeCount(mainWindow: electron.BrowserWindow): void {
-	if (process.platform === 'win32') {
-		mainWindow.setOverlayIcon(null, '');
-	} else {
-		app.badgeCount = 0;
-	}
-}
-
-export function updateBadge(badgeCount: number, mainWindow: electron.BrowserWindow): void {
-	if (ConfigUtil.getConfigItem('badgeOption', true)) {
-		showBadgeCount(badgeCount, mainWindow);
-	} else {
-		hideBadgeCount(mainWindow);
-	}
-}
-
-function updateOverlayIcon(messageCount: number, mainWindow: electron.BrowserWindow): void {
-	if (!mainWindow.isFocused()) {
-		mainWindow.flashFrame(ConfigUtil.getConfigItem('flashTaskbarOnMessage'));
-	}
-
-	if (messageCount === 0) {
-		mainWindow.setOverlayIcon(null, '');
-	} else {
-		mainWindow.webContents.send('render-taskbar-icon', messageCount);
-	}
-}
-
-export function updateTaskbarIcon(data: string, text: string, mainWindow: electron.BrowserWindow): void {
-	const img = electron.nativeImage.createFromDataURL(data);
-	mainWindow.setOverlayIcon(img, text);
-}
+export = new BadgeSettings();

app/renderer/js/pages/preference/base-section.ts

@@ -1,18 +1,12 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import escape from 'escape-html';
+import { ipcRenderer } from 'electron';
 
-import BaseComponent from '../../components/base';
+import BaseComponent = require('../../components/base');
 
-interface BaseSectionProps {
-	$element: HTMLElement;
-	disabled?: boolean;
-	value: boolean;
-	clickHandler: () => void;
-}
-
-export default class BaseSection extends BaseComponent {
-	generateSettingOption(props: BaseSectionProps): void {
+class BaseSection extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	generateSettingOption(props: any): void {
 		const {$element, disabled, value, clickHandler} = props;
 
 		$element.innerHTML = '';
@@ -25,8 +19,8 @@ export default class BaseSection extends BaseComponent {
 		}
 	}
 
-	generateOptionTemplate(settingOption: boolean, disabled?: boolean): string {
-		const label = disabled ? '<label class="disallowed" title="Setting locked by system administrator."/>' : '<label/>';
+	generateOptionTemplate(settingOption: boolean, disabled: boolean): string {
+		const label = disabled ? `<label class="disallowed" title="Setting locked by system administrator."/>` : `<label/>`;
 		if (settingOption) {
 			return `
 				<div class="action">
@@ -36,9 +30,8 @@ export default class BaseSection extends BaseComponent {
 					</div>
 				</div>
 			`;
-		}
-
-		return `
+		} else {
+			return `
 				<div class="action">
 					<div class="switch">
 					  <input class="toggle toggle-round" type="checkbox">
@@ -46,21 +39,12 @@ export default class BaseSection extends BaseComponent {
 					</div>
 				</div>
 			`;
-	}
-
-	/* A method that in future can be used to create dropdown menus using <select> <option> tags.
-		it needs an object which has ``key: value`` pairs and will return a string that can be appended to HTML
-	*/
-	generateSelectTemplate(options: {[key: string]: string}, className?: string, idName?: string): string {
-		let select = `<select class="${escape(className)}" id="${escape(idName)}">\n`;
-		Object.keys(options).forEach(key => {
-			select += `<option name="${escape(key)}" value="${escape(key)}">${escape(options[key])}</option>\n`;
-		});
-		select += '</select>';
-		return select;
+		}
 	}
 
 	reloadApp(): void {
 		ipcRenderer.send('forward-message', 'reload-viewer');
 	}
 }
+
+export = BaseSection;

app/renderer/js/pages/preference/connected-org-section.ts

@@ -1,25 +1,23 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import * as DomainUtil from '../../utils/domain-util';
-import * as t from '../../utils/translation-util';
+import { ipcRenderer } from 'electron';
 
-import AddCertificate from './add-certificate';
-import BaseSection from './base-section';
-import FindAccounts from './find-accounts';
-import ServerInfoForm from './server-info-form';
+import BaseSection = require('./base-section');
+import DomainUtil = require('../../utils/domain-util');
+import ServerInfoForm = require('./server-info-form');
+import AddCertificate = require('./add-certificate');
+import FindAccounts = require('./find-accounts');
+import t = require('../../utils/translation-util');
 
-interface ConnectedOrgSectionProps {
-	$root: Element;
-}
-
-export default class ConnectedOrgSection extends BaseSection {
-	props: ConnectedOrgSectionProps;
+class ConnectedOrgSection extends BaseSection {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$serverInfoContainer: Element | null;
 	$existingServers: Element | null;
 	$newOrgButton: HTMLButtonElement | null;
 	$addCertificateContainer: Element | null;
 	$findAccountsContainer: Element | null;
-	constructor(props: ConnectedOrgSectionProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -59,10 +57,10 @@ export default class ConnectedOrgSection extends BaseSection {
 		// Show noServerText if no servers are there otherwise hide it
 		this.$existingServers.innerHTML = servers.length === 0 ? noServerText : '';
 
-		for (const [i, server] of servers.entries()) {
+		for (let i = 0; i < servers.length; i++) {
 			new ServerInfoForm({
 				$root: this.$serverInfoContainer,
-				server,
+				server: servers[i],
 				index: i,
 				onChange: this.reloadApp
 			}).init();
@@ -88,3 +86,5 @@ export default class ConnectedOrgSection extends BaseSection {
 		}).init();
 	}
 }
+
+export = ConnectedOrgSection;

app/renderer/js/pages/preference/find-accounts.ts

@@ -1,17 +1,17 @@
-import BaseComponent from '../../components/base';
-import * as LinkUtil from '../../utils/link-util';
-import * as t from '../../utils/translation-util';
+'use-strict';
 
-interface FindAccountsProps {
-	$root: Element;
-}
+import { shell } from 'electron';
 
-export default class FindAccounts extends BaseComponent {
-	props: FindAccountsProps;
+import BaseComponent = require('../../components/base');
+import t = require('../../utils/translation-util');
+
+class FindAccounts extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$findAccounts: Element | null;
 	$findAccountsButton: Element | null;
 	$serverUrlField: HTMLInputElement | null;
-	constructor(props: FindAccountsProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -38,21 +38,19 @@ export default class FindAccounts extends BaseComponent {
 		this.initListeners();
 	}
 
-	async findAccounts(url: string): Promise<void> {
+	findAccounts(url: string): void {
 		if (!url) {
 			return;
 		}
-
 		if (!url.startsWith('http')) {
 			url = 'https://' + url;
 		}
-
-		await LinkUtil.openBrowser(new URL('/accounts/find', url));
+		shell.openExternal(url + '/accounts/find');
 	}
 
 	initListeners(): void {
-		this.$findAccountsButton.addEventListener('click', async () => {
-			await this.findAccounts(this.$serverUrlField.value);
+		this.$findAccountsButton.addEventListener('click', () => {
+			this.findAccounts(this.$serverUrlField.value);
 		});
 
 		this.$serverUrlField.addEventListener('click', () => {
@@ -61,9 +59,9 @@ export default class FindAccounts extends BaseComponent {
 			}
 		});
 
-		this.$serverUrlField.addEventListener('keypress', async event => {
-			if (event.key === 'Enter') {
-				await this.findAccounts(this.$serverUrlField.value);
+		this.$serverUrlField.addEventListener('keypress', event => {
+			if (event.keyCode === 13) {
+				this.findAccounts(this.$serverUrlField.value);
 			}
 		});
 
@@ -76,3 +74,5 @@ export default class FindAccounts extends BaseComponent {
 		});
 	}
 }
+
+export = FindAccounts;

app/renderer/js/pages/preference/general-section.ts

@@ -1,27 +1,21 @@
-import {ipcRenderer, remote, OpenDialogOptions} from 'electron';
-import path from 'path';
+'use strict';
+import { ipcRenderer, remote, OpenDialogOptions } from 'electron';
 
-import Tagify from '@yaireo/tagify';
-import fs from 'fs-extra';
-import ISO6391 from 'iso-639-1';
+import path = require('path');
+import fs = require('fs-extra');
 
-import supportedLocales from '../../../../translations/supported-locales.json';
-import * as ConfigUtil from '../../utils/config-util';
-import * as EnterpriseUtil from '../../utils/enterprise-util';
-import * as t from '../../utils/translation-util';
-
-import BaseSection from './base-section';
-
-const {app, dialog, session} = remote;
+const { app, dialog } = remote;
 const currentBrowserWindow = remote.getCurrentWindow();
 
-interface GeneralSectionProps {
-	$root: Element;
-}
+import BaseSection = require('./base-section');
+import ConfigUtil = require('../../utils/config-util');
+import EnterpriseUtil = require('./../../utils/enterprise-util');
+import t = require('../../utils/translation-util');
 
-export default class GeneralSection extends BaseSection {
-	props: GeneralSectionProps;
-	constructor(props: GeneralSectionProps) {
+class GeneralSection extends BaseSection {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -96,38 +90,32 @@ export default class GeneralSection extends BaseSection {
 						<div class="setting-description">${t.__('Enable spellchecker (requires restart)')}</div>
 						<div class="setting-control"></div>
 					</div>
-					<div class="setting-row" id="spellcheck-langs" style= "display:${process.platform === 'darwin' ? 'none' : ''}"></div>
-					<div class="setting-row" id="note"></div>
 				</div>
-
 				<div class="title">${t.__('Advanced')}</div>
 				<div class="settings-card">
-
-					<div class="setting-row" id="enable-error-reporting">
-						<div class="setting-description">${t.__('Enable error reporting (requires restart)')}</div>
-						<div class="setting-control"></div>
-					</div>
-
-					<div class="setting-row" id="app-language">
-						<div class="setting-description">${t.__('App language (requires restart)')}</div>
-						<div  id="lang-div" class="lang-div"></div>
-					</div>
-
-					<div class="setting-row" id="add-custom-css">
-						<div class="setting-description">
-							${t.__('Add custom CSS')}
-						</div>
-						<button class="custom-css-button green">${t.__('Upload')}</button>
-					</div>
-					<div class="setting-row" id="remove-custom-css">
-						<div class="setting-description">
-							<div class="selected-css-path" id="custom-css-path">${ConfigUtil.getConfigString('customCSS', '')}</div>
-						</div>
-						<div class="action red" id="css-delete-action">
-							<i class="material-icons">indeterminate_check_box</i>
-							<span>${t.__('Delete')}</span>
-						</div>
-					</div>
+				<div class="setting-row" id="enable-error-reporting">
+					<div class="setting-description">${t.__('Enable error reporting (requires restart)')}</div>
+					<div class="setting-control"></div>
+				</div>
+				<div class="setting-row" id="show-download-folder">
+					<div class="setting-description">${t.__('Show downloaded files in file manager')}</div>
+					<div class="setting-control"></div>
+				</div>
+				<div class="setting-row" id="add-custom-css">
+				<div class="setting-description">
+					${t.__('Add custom CSS')}
+				</div>
+				<button class="custom-css-button green">${t.__('Upload')}</button>
+			</div>
+			<div class="setting-row" id="remove-custom-css">
+				<div class="setting-description">
+					<div class="selected-css-path" id="custom-css-path">${ConfigUtil.getConfigItem('customCSS')}</div>
+				</div>
+				<div class="action red" id="css-delete-action">
+					<i class="material-icons">indeterminate_check_box</i>
+					<span>${t.__('Delete')}</span>
+				</div>
+			</div>
 					<div class="setting-row" id="download-folder">
 						<div class="setting-description">
 							${t.__('Default download location')}
@@ -136,23 +124,20 @@ export default class GeneralSection extends BaseSection {
 					</div>
 					<div class="setting-row">
 						<div class="setting-description">
-							<div class="download-folder-path">${ConfigUtil.getConfigString('downloadsPath', app.getPath('downloads'))}</div>
+							<div class="download-folder-path">${ConfigUtil.getConfigItem('downloadsPath', `${app.getPath('downloads')}`)}</div>
 						</div>
 					</div>
-					<div class="setting-row" id="prompt-download">
-						<div class="setting-description">${t.__('Ask where to save files before downloading')}</div>
-						<div class="setting-control"></div>
-					</div>
+
 				</div>
-				<div class="title">${t.__('Factory Reset Data')}</div>
+				<div class="title">${t.__('Reset Application Data')}</div>
                 <div class="settings-card">
-					<div class="setting-row" id="factory-reset-option">
-						<div class="setting-description">${t.__('Reset the application, thus deleting all the connected organizations, accounts, and certificates.')}
+					<div class="setting-row" id="resetdata-option">
+						<div class="setting-description">${t.__('This will delete all application data including all added accounts and preferences')}
 						</div>
-						<button class="factory-reset-button red w-150">${t.__('Factory Reset')}</button>
+						<button class="reset-data-button red w-150">${t.__('Reset App Data')}</button>
 					</div>
 				</div>
-			</div>
+            </div>
 		`;
 	}
 
@@ -165,7 +150,7 @@ export default class GeneralSection extends BaseSection {
 		this.betaUpdateOption();
 		this.updateSidebarOption();
 		this.updateStartAtLoginOption();
-		this.factoryReset();
+		this.updateResetDataOption();
 		this.showDesktopNotification();
 		this.enableSpellchecker();
 		this.minimizeOnStart();
@@ -173,11 +158,9 @@ export default class GeneralSection extends BaseSection {
 		this.showCustomCSSPath();
 		this.removeCustomCSS();
 		this.downloadFolder();
+		this.showDownloadFolder();
 		this.updateQuitOnCloseOption();
-		this.updatePromptDownloadOption();
 		this.enableErrorReporting();
-		this.setLocale();
-		this.initSpellChecker();
 
 		// Platform specific settings
 
@@ -185,7 +168,6 @@ export default class GeneralSection extends BaseSection {
 		if (process.platform === 'win32') {
 			this.updateFlashTaskbar();
 		}
-
 		// Dock bounce on macOS
 		if (process.platform === 'darwin') {
 			this.updateDockBouncing();
@@ -272,7 +254,6 @@ export default class GeneralSection extends BaseSection {
 					ConfigUtil.setConfigItem('betaUpdate', false);
 					this.betaUpdateOption();
 				}
-
 				this.autoUpdateOption();
 			}
 		});
@@ -300,7 +281,9 @@ export default class GeneralSection extends BaseSection {
 				const newValue = !ConfigUtil.getConfigItem('silent', true);
 				ConfigUtil.setConfigItem('silent', newValue);
 				this.updateSilentOption();
-				currentBrowserWindow.webContents.send('toggle-silent', newValue);
+				// TODO: TypeScript: currentWindow of type BrowserWindow doesn't
+				// have a .send() property per typescript.
+				(currentBrowserWindow as any).send('toggle-silent', newValue);
 			}
 		});
 	}
@@ -363,10 +346,6 @@ export default class GeneralSection extends BaseSection {
 				const newValue = !ConfigUtil.getConfigItem('enableSpellchecker');
 				ConfigUtil.setConfigItem('enableSpellchecker', newValue);
 				this.enableSpellchecker();
-				const spellcheckerLanguageInput: HTMLElement = document.querySelector('#spellcheck-langs');
-				const spellcheckerNote: HTMLElement = document.querySelector('#note');
-				spellcheckerLanguageInput.style.display = spellcheckerLanguageInput.style.display === 'none' ? '' : 'none';
-				spellcheckerNote.style.display = spellcheckerNote.style.display === 'none' ? '' : 'none';
 			}
 		});
 	}
@@ -383,34 +362,43 @@ export default class GeneralSection extends BaseSection {
 		});
 	}
 
-	async customCssDialog(): Promise<void> {
+	clearAppDataDialog(): void {
+		const clearAppDataMessage = 'By clicking proceed you will be removing all added accounts and preferences from Zulip. When the application restarts, it will be as if you are starting Zulip for the first time.';
+		const getAppPath = path.join(app.getPath('appData'), app.getName());
+
+		dialog.showMessageBox({
+			type: 'warning',
+			buttons: ['YES', 'NO'],
+			defaultId: 0,
+			message: 'Are you sure',
+			detail: clearAppDataMessage
+		}, response => {
+			if (response === 0) {
+				fs.remove(getAppPath);
+				setTimeout(() => ipcRenderer.send('forward-message', 'hard-reload'), 1000);
+			}
+		});
+	}
+
+	customCssDialog(): void {
 		const showDialogOptions: OpenDialogOptions = {
 			title: 'Select file',
 			properties: ['openFile'],
-			filters: [{name: 'CSS file', extensions: ['css']}]
+			filters: [{ name: 'CSS file', extensions: ['css'] }]
 		};
 
-		const {filePaths, canceled} = await dialog.showOpenDialog(showDialogOptions);
-		if (!canceled) {
-			ConfigUtil.setConfigItem('customCSS', filePaths[0]);
-			ipcRenderer.send('forward-message', 'hard-reload');
-		}
+		dialog.showOpenDialog(showDialogOptions, selectedFile => {
+			if (selectedFile) {
+				ConfigUtil.setConfigItem('customCSS', selectedFile[0]);
+				ipcRenderer.send('forward-message', 'hard-reload');
+			}
+		});
 	}
 
-	setLocale(): void {
-		const langDiv: HTMLSelectElement = document.querySelector('.lang-div');
-		const langList = this.generateSelectTemplate(supportedLocales, 'lang-menu');
-		langDiv.innerHTML += langList;
-		// `langMenu` is the select-option dropdown menu formed after executing the previous command
-		const langMenu: HTMLSelectElement = document.querySelector('.lang-menu');
-
-		// The next three lines set the selected language visible on the dropdown button
-		let language = ConfigUtil.getConfigItem('appLanguage');
-		language = language && langMenu.options.namedItem(language) ? language : 'en';
-		langMenu.options.namedItem(language).selected = true;
-
-		langMenu.addEventListener('change', (event: Event) => {
-			ConfigUtil.setConfigItem('appLanguage', (event.target as HTMLSelectElement).value);
+	updateResetDataOption(): void {
+		const resetDataButton = document.querySelector('#resetdata-option .reset-data-button');
+		resetDataButton.addEventListener('click', () => {
+			this.clearAppDataDialog();
 		});
 	}
 
@@ -428,8 +416,8 @@ export default class GeneralSection extends BaseSection {
 
 	addCustomCSS(): void {
 		const customCSSButton = document.querySelector('#add-custom-css .custom-css-button');
-		customCSSButton.addEventListener('click', async () => {
-			await this.customCssDialog();
+		customCSSButton.addEventListener('click', () => {
+			this.customCssDialog();
 		});
 	}
 
@@ -443,140 +431,43 @@ export default class GeneralSection extends BaseSection {
 	removeCustomCSS(): void {
 		const removeCSSButton = document.querySelector('#css-delete-action');
 		removeCSSButton.addEventListener('click', () => {
-			ConfigUtil.setConfigItem('customCSS', '');
+			ConfigUtil.setConfigItem('customCSS', "");
 			ipcRenderer.send('forward-message', 'hard-reload');
 		});
 	}
 
-	async downloadFolderDialog(): Promise<void> {
+	downloadFolderDialog(): void {
 		const showDialogOptions: OpenDialogOptions = {
 			title: 'Select Download Location',
 			properties: ['openDirectory']
 		};
 
-		const {filePaths, canceled} = await dialog.showOpenDialog(showDialogOptions);
-		if (!canceled) {
-			ConfigUtil.setConfigItem('downloadsPath', filePaths[0]);
-			const downloadFolderPath: HTMLElement = document.querySelector('.download-folder-path');
-			downloadFolderPath.textContent = filePaths[0];
-		}
-	}
-
-	downloadFolder(): void {
-		const downloadFolder = document.querySelector('#download-folder .download-folder-button');
-		downloadFolder.addEventListener('click', async () => {
-			await this.downloadFolderDialog();
-		});
-	}
-
-	updatePromptDownloadOption(): void {
-		this.generateSettingOption({
-			$element: document.querySelector('#prompt-download .setting-control'),
-			value: ConfigUtil.getConfigItem('promptDownload', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('promptDownload');
-				ConfigUtil.setConfigItem('promptDownload', newValue);
-				this.updatePromptDownloadOption();
+		dialog.showOpenDialog(showDialogOptions, selectedFolder => {
+			if (selectedFolder) {
+				ConfigUtil.setConfigItem('downloadsPath', selectedFolder[0]);
+				const downloadFolderPath: HTMLElement = document.querySelector('.download-folder-path');
+				downloadFolderPath.innerText = selectedFolder[0];
 			}
 		});
 	}
-
-	async factoryResetSettings(): Promise<void> {
-		const clearAppDataMessage = 'When the application restarts, it will be as if you have just downloaded Zulip app.';
-		const getAppPath = path.join(app.getPath('appData'), app.name);
-
-		const {response} = await dialog.showMessageBox({
-			type: 'warning',
-			buttons: ['YES', 'NO'],
-			defaultId: 0,
-			message: 'Are you sure?',
-			detail: clearAppDataMessage
-		});
-		if (response === 0) {
-			await fs.remove(getAppPath);
-			setTimeout(() => ipcRenderer.send('clear-app-settings'), 1000);
-		}
-	}
-
-	factoryReset(): void {
-		const factoryResetButton = document.querySelector('#factory-reset-option .factory-reset-button');
-		factoryResetButton.addEventListener('click', async () => {
-			await this.factoryResetSettings();
+	downloadFolder(): void {
+		const downloadFolder = document.querySelector('#download-folder .download-folder-button');
+		downloadFolder.addEventListener('click', () => {
+			this.downloadFolderDialog();
 		});
 	}
 
-	initSpellChecker(): void {
-		// The elctron API is a no-op on macOS and macOS default spellchecker is used.
-		if (process.platform === 'darwin') {
-			const note: HTMLElement = document.querySelector('#note');
-			note.append(t.__('On macOS, the OS spellchecker is used.'));
-			note.append(document.createElement('br'));
-			note.append(t.__('Change the language from System Preferences → Keyboard → Text → Spelling.'));
-		} else {
-			const note: HTMLElement = document.querySelector('#note');
-			note.append(t.__('You can select a maximum of 3 languages for spellchecking.'));
-			const spellDiv: HTMLElement = document.querySelector('#spellcheck-langs');
-			spellDiv.innerHTML += `
-				<div class="setting-description">${t.__('Spellchecker Languages')}</div>
-				<input name='spellcheck' placeholder='Enter Languages'>`;
-
-			const availableLanguages = session.fromPartition('persist:webviewsession').availableSpellCheckerLanguages;
-			let languagePairs: Map<string, string> = new Map();
-			availableLanguages.forEach((l: string) => {
-				if (ISO6391.validate(l)) {
-					languagePairs.set(ISO6391.getName(l), l);
-				}
-			});
-
-			// Manually set names for languages not available in ISO6391
-			languagePairs.set('English (AU)', 'en-AU');
-			languagePairs.set('English (CA)', 'en-CA');
-			languagePairs.set('English (GB)', 'en-GB');
-			languagePairs.set('English (US)', 'en-US');
-			languagePairs.set('Spanish (Latin America)', 'es-419');
-			languagePairs.set('Spanish (Argentina)', 'es-AR');
-			languagePairs.set('Spanish (Mexico)', 'es-MX');
-			languagePairs.set('Spanish (US)', 'es-US');
-			languagePairs.set('Portuguese (Brazil)', 'pt-BR');
-			languagePairs.set('Portuguese (Portugal)', 'pt-PT');
-			languagePairs.set('Serbo-Croatian', 'sh');
-
-			languagePairs = new Map([...languagePairs].sort((a, b) => ((a[0] < b[0]) ? -1 : 1)));
-
-			const tagField: HTMLElement = document.querySelector('input[name=spellcheck]');
-			const tagify = new Tagify(tagField, {
-				whitelist: [...languagePairs.keys()],
-				enforceWhitelist: true,
-				maxTags: 3,
-				dropdown: {
-					enabled: 0,
-					maxItems: Infinity,
-					closeOnSelect: false,
-					highlightFirst: true
-				}
-			});
-
-			const configuredLanguages: string[] = ConfigUtil.getConfigItem('spellcheckerLanguages').map((code: string) => [...languagePairs].filter(pair => (pair[1] === code))[0][0]);
-			tagify.addTags(configuredLanguages);
-
-			tagField.addEventListener('change', event => {
-				if ((event.target as HTMLInputElement).value.length === 0) {
-					ConfigUtil.setConfigItem('spellcheckerLanguages', []);
-					ipcRenderer.send('set-spellcheck-langs');
-				} else {
-					const spellLangs: string[] = [...JSON.parse((event.target as HTMLInputElement).value).values()].map(elt => languagePairs.get(elt.value));
-					ConfigUtil.setConfigItem('spellcheckerLanguages', spellLangs);
-					ipcRenderer.send('set-spellcheck-langs');
-				}
-			});
-		}
-
-		// Do not display the spellchecker input and note if it is disabled
-		if (!ConfigUtil.getConfigItem('enableSpellchecker')) {
-			const spellcheckerLanguageInput: HTMLElement = document.querySelector('#spellcheck-langs');
-			const spellcheckerNote: HTMLElement = document.querySelector('#note');
-			spellcheckerLanguageInput.style.display = 'none';
-			spellcheckerNote.style.display = 'none';
-		}
+	showDownloadFolder(): void {
+		this.generateSettingOption({
+			$element: document.querySelector('#show-download-folder .setting-control'),
+			value: ConfigUtil.getConfigItem('showDownloadFolder', false),
+			clickHandler: () => {
+				const newValue = !ConfigUtil.getConfigItem('showDownloadFolder');
+				ConfigUtil.setConfigItem('showDownloadFolder', newValue);
+				this.showDownloadFolder();
+			}
+		});
 	}
 }
+
+export = GeneralSection;

app/renderer/js/pages/preference/nav.ts

@@ -1,16 +1,14 @@
-import BaseComponent from '../../components/base';
-import * as t from '../../utils/translation-util';
+'use strict';
 
-interface PreferenceNavProps {
-	$root: Element;
-	onItemSelected: (navItem: string) => void;
-}
+import BaseComponent = require('../../components/base');
+import t = require('../../utils/translation-util');
 
-export default class PreferenceNav extends BaseComponent {
-	props: PreferenceNavProps;
+class PreferenceNav extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	navItems: string[];
 	$el: Element;
-	constructor(props: PreferenceNavProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 		this.navItems = ['General', 'Network', 'AddServer', 'Organizations', 'Shortcuts'];
@@ -66,3 +64,5 @@ export default class PreferenceNav extends BaseComponent {
 		$item.classList.remove('active');
 	}
 }
+
+export = PreferenceNav;

app/renderer/js/pages/preference/network-section.ts

@@ -1,22 +1,20 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import * as ConfigUtil from '../../utils/config-util';
-import * as t from '../../utils/translation-util';
+import { ipcRenderer } from 'electron';
 
-import BaseSection from './base-section';
+import BaseSection = require('./base-section');
+import ConfigUtil = require('../../utils/config-util');
+import t = require('../../utils/translation-util');
 
-interface NetworkSectionProps {
-	$root: Element;
-}
-
-export default class NetworkSection extends BaseSection {
-	props: NetworkSectionProps;
+class NetworkSection extends BaseSection {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$proxyPAC: HTMLInputElement;
 	$proxyRules: HTMLInputElement;
 	$proxyBypass: HTMLInputElement;
 	$proxySaveAction: Element;
 	$manualProxyBlock: Element;
-	constructor(props: NetworkSectionProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -106,13 +104,11 @@ export default class NetworkSection extends BaseSection {
 					ConfigUtil.setConfigItem('useManualProxy', !manualProxyValue);
 					this.toggleManualProxySettings(!manualProxyValue);
 				}
-
-				if (!newValue) {
+				if (newValue === false) {
 					// Remove proxy system proxy settings
 					ConfigUtil.setConfigItem('proxyRules', '');
 					ipcRenderer.send('forward-message', 'reload-proxy', false);
 				}
-
 				ConfigUtil.setConfigItem('useSystemProxy', newValue);
 				this.updateProxyOption();
 			}
@@ -127,7 +123,6 @@ export default class NetworkSection extends BaseSection {
 				if (systemProxyValue && newValue) {
 					ConfigUtil.setConfigItem('useSystemProxy', !systemProxyValue);
 				}
-
 				ConfigUtil.setConfigItem('proxyRules', '');
 				ConfigUtil.setConfigItem('useManualProxy', newValue);
 				// Reload app only when turning manual proxy off, hence !newValue
@@ -137,3 +132,5 @@ export default class NetworkSection extends BaseSection {
 		});
 	}
 }
+
+export = NetworkSection;

app/renderer/js/pages/preference/new-server-form.ts

@@ -1,23 +1,18 @@
-import {ipcRenderer, remote} from 'electron';
+'use strict';
 
-import BaseComponent from '../../components/base';
-import * as DomainUtil from '../../utils/domain-util';
-import * as LinkUtil from '../../utils/link-util';
-import * as t from '../../utils/translation-util';
+import { shell, ipcRenderer } from 'electron';
 
-const {dialog} = remote;
+import BaseComponent = require('../../components/base');
+import DomainUtil = require('../../utils/domain-util');
+import t = require('../../utils/translation-util');
 
-interface NewServerFormProps {
-	$root: Element;
-	onChange: () => void;
-}
-
-export default class NewServerForm extends BaseComponent {
-	props: NewServerFormProps;
+class NewServerForm extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$newServerForm: Element;
 	$saveServerButton: HTMLButtonElement;
 	$newServerUrl: HTMLInputElement;
-	constructor(props: NewServerFormProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -30,7 +25,9 @@ export default class NewServerForm extends BaseComponent {
 					<input class="setting-input-value" autofocus placeholder="your-organization.zulipchat.com or zulip.your-organization.com"/>
 				</div>
 				<div class="server-center">
-					<button id="connect">${t.__('Connect')}</button>
+					<div class="server-save-action">
+						<button id="connect">${t.__('Connect')}</button>
+					</div>
 				</div>
 				<div class="server-center">
 					<div class="divider">
@@ -38,7 +35,9 @@ export default class NewServerForm extends BaseComponent {
 					</div>
 				</div>
 				<div class="server-center">
-					<button id="open-create-org-link">${t.__('Create a new organization')}</button>
+					<div class="server-save-action">
+						<button id="open-create-org-link">${t.__('Create a new organization')}</button>
+					</div>
 				</div>
 				<div class="server-center">
 					<div class="server-network-option">
@@ -57,36 +56,29 @@ export default class NewServerForm extends BaseComponent {
 
 	initForm(): void {
 		this.$newServerForm = this.generateNodeFromTemplate(this.template());
-		this.$saveServerButton = this.$newServerForm.querySelector('#connect');
+		this.$saveServerButton = this.$newServerForm.querySelectorAll('.server-save-action')[0] as HTMLButtonElement;
 		this.props.$root.innerHTML = '';
 		this.props.$root.append(this.$newServerForm);
 		this.$newServerUrl = this.$newServerForm.querySelectorAll('input.setting-input-value')[0] as HTMLInputElement;
 	}
 
-	async submitFormHandler(): Promise<void> {
-		this.$saveServerButton.innerHTML = 'Connecting...';
-		let serverConf;
-		try {
-			serverConf = await DomainUtil.checkDomain(this.$newServerUrl.value);
-		} catch (error) {
-			this.$saveServerButton.innerHTML = 'Connect';
-			await dialog.showMessageBox({
-				type: 'error',
-				message: error.toString(),
-				buttons: ['OK']
+	submitFormHandler(): void {
+		this.$saveServerButton.children[0].innerHTML = 'Connecting...';
+		DomainUtil.checkDomain(this.$newServerUrl.value).then(serverConf => {
+			DomainUtil.addDomain(serverConf).then(() => {
+				this.props.onChange(this.props.index);
 			});
-			return;
-		}
-
-		await DomainUtil.addDomain(serverConf);
-		this.props.onChange();
+		}, errorMessage => {
+			this.$saveServerButton.children[0].innerHTML = 'Connect';
+			alert(errorMessage);
+		});
 	}
 
 	openCreateNewOrgExternalLink(): void {
-		const link = 'https://zulip.com/new/';
-		const externalCreateNewOrgElement = document.querySelector('#open-create-org-link');
-		externalCreateNewOrgElement.addEventListener('click', async () => {
-			await LinkUtil.openBrowser(new URL(link));
+		const link = 'https://zulipchat.com/new/';
+		const externalCreateNewOrgEl = document.querySelector('#open-create-org-link');
+		externalCreateNewOrgEl.addEventListener('click', () => {
+			shell.openExternal(link);
 		});
 	}
 
@@ -96,16 +88,20 @@ export default class NewServerForm extends BaseComponent {
 	}
 
 	initActions(): void {
-		this.$saveServerButton.addEventListener('click', async () => {
-			await this.submitFormHandler();
+		this.$saveServerButton.addEventListener('click', () => {
+			this.submitFormHandler();
 		});
-		this.$newServerUrl.addEventListener('keypress', async event => {
-			if (event.key === 'Enter') {
-				await this.submitFormHandler();
+		this.$newServerUrl.addEventListener('keypress', event => {
+			const EnterkeyCode = event.keyCode;
+			// Submit form when Enter key is pressed
+			if (EnterkeyCode === 13) {
+				this.submitFormHandler();
 			}
 		});
-		// Open create new org link in default browser
+		// open create new org link in default browser
 		this.openCreateNewOrgExternalLink();
 		this.networkSettingsLink();
 	}
 }
+
+export = NewServerForm;

app/renderer/js/pages/preference/preference.ts

@@ -1,18 +1,18 @@
-import {ipcRenderer} from 'electron';
+'use strict';
 
-import BaseComponent from '../../components/base';
-import type {DNDSettings} from '../../utils/dnd-util';
+import { ipcRenderer } from 'electron';
 
-import ConnectedOrgSection from './connected-org-section';
-import GeneralSection from './general-section';
-import Nav from './nav';
-import NetworkSection from './network-section';
-import ServersSection from './servers-section';
-import ShortcutsSection from './shortcuts-section';
+import BaseComponent = require('../../components/base');
+import Nav = require('./nav');
+import ServersSection = require('./servers-section');
+import GeneralSection = require('./general-section');
+import NetworkSection = require('./network-section');
+import ConnectedOrgSection = require('./connected-org-section');
+import ShortcutsSection = require('./shortcuts-section');
 
 type Section = ServersSection | GeneralSection | NetworkSection | ConnectedOrgSection | ShortcutsSection;
 
-export default class PreferenceView extends BaseComponent {
+class PreferenceView extends BaseComponent {
 	$sidebarContainer: Element;
 	$settingsContainer: Element;
 	nav: Nav;
@@ -37,9 +37,8 @@ export default class PreferenceView extends BaseComponent {
 		let nav = 'General';
 		const hasTag = window.location.hash;
 		if (hasTag) {
-			nav = hasTag.slice(1);
+			nav = hasTag.substring(1);
 		}
-
 		this.handleNavigation(nav);
 	}
 
@@ -52,38 +51,32 @@ export default class PreferenceView extends BaseComponent {
 				});
 				break;
 			}
-
 			case 'General': {
 				this.section = new GeneralSection({
 					$root: this.$settingsContainer
 				});
 				break;
 			}
-
 			case 'Organizations': {
 				this.section = new ConnectedOrgSection({
 					$root: this.$settingsContainer
 				});
 				break;
 			}
-
 			case 'Network': {
 				this.section = new NetworkSection({
 					$root: this.$settingsContainer
 				});
 				break;
 			}
-
 			case 'Shortcuts': {
 				this.section = new ShortcutsSection({
 					$root: this.$settingsContainer
 				});
 				break;
 			}
-
 			default: break;
 		}
-
 		this.section.init();
 		window.location.hash = `#${navItem}`;
 	}
@@ -114,7 +107,7 @@ export default class PreferenceView extends BaseComponent {
 			this.handleToggle('tray-option', state);
 		});
 
-		ipcRenderer.on('toggle-dnd', (_event: Event, _state: boolean, newSettings: DNDSettings) => {
+		ipcRenderer.on('toggle-dnd', (_event: Event, _state: boolean, newSettings: any) => {
 			this.handleToggle('show-notification-option', newSettings.showNotification);
 			this.handleToggle('silent-option', newSettings.silent);
 
@@ -129,3 +122,5 @@ window.addEventListener('load', () => {
 	const preferenceView = new PreferenceView();
 	preferenceView.init();
 });
+
+export = PreferenceView;

app/renderer/js/pages/preference/server-info-form.ts

@@ -1,27 +1,23 @@
-import {remote, ipcRenderer} from 'electron';
+'use strict';
 
-import * as Messages from '../../../../resources/messages';
-import BaseComponent from '../../components/base';
-import * as DomainUtil from '../../utils/domain-util';
-import * as t from '../../utils/translation-util';
+import { remote, ipcRenderer } from 'electron';
 
-const {dialog} = remote;
+import BaseComponent = require('../../components/base');
+import DomainUtil = require('../../utils/domain-util');
+import Messages = require('./../../../../resources/messages');
+import t = require('../../utils/translation-util');
 
-interface ServerInfoFormProps {
-	$root: Element;
-	server: DomainUtil.ServerConf;
-	index: number;
-	onChange: () => void;
-}
+const { dialog } = remote;
 
-export default class ServerInfoForm extends BaseComponent {
-	props: ServerInfoFormProps;
+class ServerInfoForm extends BaseComponent {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$serverInfoForm: Element;
 	$serverInfoAlias: Element;
 	$serverIcon: Element;
 	$deleteServerButton: Element;
 	$openServerButton: Element;
-	constructor(props: ServerInfoFormProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -65,21 +61,22 @@ export default class ServerInfoForm extends BaseComponent {
 	}
 
 	initActions(): void {
-		this.$deleteServerButton.addEventListener('click', async () => {
-			const {response} = await dialog.showMessageBox({
+		this.$deleteServerButton.addEventListener('click', () => {
+			dialog.showMessageBox({
 				type: 'warning',
 				buttons: [t.__('YES'), t.__('NO')],
 				defaultId: 0,
 				message: t.__('Are you sure you want to disconnect this organization?')
-			});
-			if (response === 0) {
-				if (DomainUtil.removeDomain(this.props.index)) {
-					ipcRenderer.send('reload-full-app');
-				} else {
-					const {title, content} = Messages.orgRemovalError(DomainUtil.getDomain(this.props.index).url);
-					dialog.showErrorBox(title, content);
+			}, response => {
+				if (response === 0) {
+					if (DomainUtil.removeDomain(this.props.index)) {
+						ipcRenderer.send('reload-full-app');
+					} else {
+						const { title, content } = Messages.orgRemovalError(DomainUtil.getDomain(this.props.index).url);
+						dialog.showErrorBox(title, content);
+					}
 				}
-			}
+			});
 		});
 
 		this.$openServerButton.addEventListener('click', () => {
@@ -95,3 +92,5 @@ export default class ServerInfoForm extends BaseComponent {
 		});
 	}
 }
+
+export = ServerInfoForm;

app/renderer/js/pages/preference/servers-section.ts

@@ -1,16 +1,14 @@
-import * as t from '../../utils/translation-util';
+'use strict';
 
-import BaseSection from './base-section';
-import NewServerForm from './new-server-form';
+import BaseSection = require('./base-section');
+import NewServerForm = require('./new-server-form');
+import t = require('../../utils/translation-util');
 
-interface ServersSectionProps {
-	$root: Element;
-}
-
-export default class ServersSection extends BaseSection {
-	props: ServersSectionProps;
+class ServersSection extends BaseSection {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
 	$newServerContainer: Element;
-	constructor(props: ServersSectionProps) {
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
@@ -48,3 +46,5 @@ export default class ServersSection extends BaseSection {
 		}).init();
 	}
 }
+
+export = ServersSection;

app/renderer/js/pages/preference/shortcuts-section.ts

@@ -1,19 +1,17 @@
-import * as LinkUtil from '../../utils/link-util';
-import * as t from '../../utils/translation-util';
+'use strict';
 
-import BaseSection from './base-section';
+import { shell } from 'electron';
 
-interface ShortcutsSectionProps {
-	$root: Element;
-}
+import BaseSection = require('./base-section');
+import t = require('../../utils/translation-util');
 
-export default class ShortcutsSection extends BaseSection {
-	props: ShortcutsSectionProps;
-	constructor(props: ShortcutsSectionProps) {
+class ShortcutsSection extends BaseSection {
+	// TODO: TypeScript - Here props should be object type
+	props: any;
+	constructor(props: any) {
 		super();
 		this.props = props;
 	}
-
 	// TODO - Deduplicate templateMac and templateWinLin functions. In theory
 	// they both should be the same the only thing different should be the userOSKey
 	// variable but there seems to be inconsistences between both function, one has more
@@ -331,16 +329,17 @@ export default class ShortcutsSection extends BaseSection {
 	}
 
 	openHotkeysExternalLink(): void {
-		const link = 'https://zulip.com/help/keyboard-shortcuts';
-		const externalCreateNewOrgElement = document.querySelector('#open-hotkeys-link');
-		externalCreateNewOrgElement.addEventListener('click', async () => {
-			await LinkUtil.openBrowser(new URL(link));
+		const link = 'https://zulipchat.com/help/keyboard-shortcuts';
+		const externalCreateNewOrgEl = document.querySelector('#open-hotkeys-link');
+		externalCreateNewOrgEl.addEventListener('click', () => {
+			shell.openExternal(link);
 		});
 	}
-
 	init(): void {
 		this.props.$root.innerHTML = (process.platform === 'darwin') ?
 			this.templateMac() : this.templateWinLin();
 		this.openHotkeysExternalLink();
 	}
 }
+
+export = ShortcutsSection;

app/renderer/js/preload.ts

@@ -1,32 +1,47 @@
-import {contextBridge, ipcRenderer, webFrame} from 'electron';
-import fs from 'fs';
+// we have and will have some non camelcase stuff
+// while working with zulip and electron bridge
+// so turning the rule off for the whole file.
+/* eslint-disable @typescript-eslint/camelcase */
 
-import isDev from 'electron-is-dev';
+'use strict';
 
-import electron_bridge from './electron-bridge';
-import {loadBots} from './notification/helpers';
-import * as NetworkError from './pages/network';
+import { ipcRenderer, shell } from 'electron';
+import SetupSpellChecker from './spellchecker';
+
+import isDev = require('electron-is-dev');
+import LinkUtil = require('./utils/link-util');
+import params = require('./utils/params-util');
+
+import NetworkError = require('./pages/network');
+
+interface PatchedGlobal extends NodeJS.Global {
+	logout: () => void;
+	shortcut: () => void;
+	showNotificationSettings: () => void;
+}
+
+const globalPatched = global as PatchedGlobal;
+
+// eslint-disable-next-line import/no-unassigned-import
+require('./notification');
 
 // Prevent drag and drop event in main process which prevents remote code executaion
-// eslint-disable-next-line import/no-unassigned-import
-import './shared/preventdrag';
+require(__dirname + '/shared/preventdrag.js');
 
-contextBridge.exposeInMainWorld('raw_electron_bridge', electron_bridge);
+declare let window: ZulipWebWindow;
 
-electron_bridge.once('zulip-loaded', async () => {
-	await loadBots();
-});
+window.electron_bridge = require('./electron-bridge');
 
-ipcRenderer.on('logout', () => {
+const logout = (): void => {
 	// Create the menu for the below
 	const dropdown: HTMLElement = document.querySelector('.dropdown-toggle');
 	dropdown.click();
 
 	const nodes: NodeListOf<HTMLElement> = document.querySelectorAll('.dropdown-menu li:last-child a');
 	nodes[nodes.length - 1].click();
-});
+};
 
-ipcRenderer.on('shortcut', () => {
+const shortcut = (): void => {
 	// Create the menu for the below
 	const node: HTMLElement = document.querySelector('a[data-overlay-trigger=keyboard-shortcuts]');
 	// Additional check
@@ -37,9 +52,9 @@ ipcRenderer.on('shortcut', () => {
 		const dropdown: HTMLElement = document.querySelector('.dropdown-toggle');
 		dropdown.click();
 	}
-});
+};
 
-ipcRenderer.on('show-notification-settings', () => {
+const showNotificationSettings = (): void => {
 	// Create the menu for the below
 	const dropdown: HTMLElement = document.querySelector('.dropdown-toggle');
 	dropdown.click();
@@ -49,33 +64,74 @@ ipcRenderer.on('show-notification-settings', () => {
 
 	const notificationItem: NodeListOf<HTMLElement> = document.querySelectorAll('.normal-settings-list li div');
 
-	// Wait until the notification dom element shows up
+	// wait until the notification dom element shows up
 	setTimeout(() => {
 		notificationItem[2].click();
 	}, 100);
+};
+
+process.once('loaded', (): void => {
+	globalPatched.logout = logout;
+	globalPatched.shortcut = shortcut;
+	globalPatched.showNotificationSettings = showNotificationSettings;
 });
 
-electron_bridge.once('zulip-loaded', () => {
-	// Redirect users to network troubleshooting page
-	const getRestartButton = document.querySelector('.restart_get_events_button');
-	if (getRestartButton) {
-		getRestartButton.addEventListener('click', () => {
-			ipcRenderer.send('forward-message', 'reload-viewer');
+// To prevent failing this script on linux we need to load it after the document loaded
+document.addEventListener('DOMContentLoaded', (): void => {
+	if (params.isPageParams()) {
+	// Get the default language of the server
+		const serverLanguage = page_params.default_language; // eslint-disable-line no-undef
+		if (serverLanguage) {
+			// Init spellchecker
+			SetupSpellChecker.init(serverLanguage);
+		}
+		// redirect users to network troubleshooting page
+		const getRestartButton = document.querySelector('.restart_get_events_button');
+		if (getRestartButton) {
+			getRestartButton.addEventListener('click', () => {
+				ipcRenderer.send('forward-message', 'reload-viewer');
+			});
+		}
+		// Open image attachment link in the lightbox instead of opening in the default browser
+		const { $, lightbox } = window;
+		$('#main_div').on('click', '.message_content p a', function (this: HTMLElement, e: Event) {
+			const url = $(this).attr('href');
+
+			if (LinkUtil.isImage(url)) {
+				const $img = $(this).parent().siblings('.message_inline_image').find('img');
+
+				// prevent the image link from opening in a new page.
+				e.preventDefault();
+				// prevent the message compose dialog from happening.
+				e.stopPropagation();
+
+				// Open image in the default browser if image preview is unavailable
+				if (!$img[0]) {
+					shell.openExternal(window.location.origin + url);
+				}
+				// Open image in lightbox
+				lightbox.open($img);
+			}
 		});
 	}
 });
 
+// Clean up spellchecker events after you navigate away from this page;
+// otherwise, you may experience errors
+window.addEventListener('beforeunload', (): void => {
+	SetupSpellChecker.unsubscribeSpellChecker();
+});
+
 window.addEventListener('load', (event: any): void => {
 	if (!event.target.URL.includes('app/renderer/network.html')) {
 		return;
 	}
-
 	const $reconnectButton = document.querySelector('#reconnect');
 	const $settingsButton = document.querySelector('#settings');
 	NetworkError.init($reconnectButton, $settingsButton);
 });
 
-// Electron's globalShortcut can cause unexpected results
+// electron's globalShortcut can cause unexpected results
 // so adding the reload shortcut in the old-school way
 // Zoom from numpad keys is not supported by electron, so adding it through listeners.
 document.addEventListener('keydown', event => {
@@ -96,9 +152,8 @@ ipcRenderer.on('set-active', () => {
 	if (isDev) {
 		console.log('active');
 	}
-
-	electron_bridge.idle_on_system = false;
-	electron_bridge.last_active_on_system = Date.now();
+	window.electron_bridge.idle_on_system = false;
+	window.electron_bridge.last_active_on_system = Date.now();
 });
 
 // Set user as idle and time of last activity is left unchanged
@@ -106,10 +161,5 @@ ipcRenderer.on('set-idle', () => {
 	if (isDev) {
 		console.log('idle');
 	}
-
-	electron_bridge.idle_on_system = true;
+	window.electron_bridge.idle_on_system = true;
 });
-
-(async () => webFrame.executeJavaScript(
-	fs.readFileSync(require.resolve('./injected'), 'utf8')
-))();

app/renderer/js/shared/preventdrag.ts

@@ -1,3 +1,5 @@
+'use strict';
+
 // This is a security fix. Following function prevents drag and drop event in the app
 // so that attackers can't execute any remote code within the app
 // It doesn't affect the compose box so that users can still
@@ -13,5 +15,3 @@ const preventDragAndDrop = (): void => {
 };
 
 preventDragAndDrop();
-
-export {};

app/renderer/js/spellchecker.ts

@@ -0,0 +1,56 @@
+'use strict';
+
+import { SpellCheckHandler, ContextMenuListener, ContextMenuBuilder } from 'electron-spellchecker';
+
+import ConfigUtil = require('./utils/config-util');
+import Logger = require('./utils/logger-util');
+
+const logger = new Logger({
+	file: 'errors.log',
+	timestamp: true
+});
+
+class SetupSpellChecker {
+	SpellCheckHandler: typeof SpellCheckHandler;
+	contextMenuListener: typeof ContextMenuListener;
+	init(serverLanguage: string): void {
+		if (ConfigUtil.getConfigItem('enableSpellchecker')) {
+			this.enableSpellChecker();
+		}
+		this.enableContextMenu(serverLanguage);
+	}
+
+	enableSpellChecker(): void {
+		try {
+			this.SpellCheckHandler = new SpellCheckHandler();
+		} catch (err) {
+			logger.error(err);
+		}
+	}
+
+	enableContextMenu(serverLanguage: string): void {
+		if (this.SpellCheckHandler) {
+			this.SpellCheckHandler.attachToInput();
+			this.SpellCheckHandler.switchLanguage(serverLanguage);
+			this.SpellCheckHandler.currentSpellcheckerChanged.subscribe(() => {
+				this.SpellCheckHandler.switchLanguage(this.SpellCheckHandler.currentSpellcheckerLanguage);
+			});
+		}
+
+		const contextMenuBuilder = new ContextMenuBuilder(this.SpellCheckHandler);
+		this.contextMenuListener = new ContextMenuListener((info: object) => {
+			contextMenuBuilder.showPopupMenu(info);
+		});
+	}
+
+	unsubscribeSpellChecker(): void {
+		if (this.SpellCheckHandler) {
+			this.SpellCheckHandler.unsubscribe();
+		}
+		if (this.contextMenuListener) {
+			this.contextMenuListener.unsubscribe();
+		}
+	}
+}
+
+export = new SetupSpellChecker();

app/renderer/js/tray.ts

@@ -1,24 +1,19 @@
-import {ipcRenderer, remote, WebviewTag, NativeImage} from 'electron';
-import path from 'path';
+'use strict';
+import { ipcRenderer, remote, WebviewTag, NativeImage } from 'electron';
 
-import * as ConfigUtil from './utils/config-util';
+import path = require('path');
+import ConfigUtil = require('./utils/config-util.js');
+const { Tray, Menu, nativeImage, BrowserWindow } = remote;
 
-const {Tray, Menu, nativeImage, BrowserWindow} = remote;
+const APP_ICON = path.join(__dirname, '../../resources/tray', 'tray');
 
-let tray: Electron.Tray;
-
-const ICON_DIR = '../../resources/tray';
-
-const TRAY_SUFFIX = 'tray';
-
-const APP_ICON = path.join(__dirname, ICON_DIR, TRAY_SUFFIX);
+declare let window: ZulipWebWindow;
 
 const iconPath = (): string => {
 	if (process.platform === 'linux') {
 		return APP_ICON + 'linux.png';
 	}
-
-	return APP_ICON + (process.platform === 'win32' ? 'win.ico' : 'macOSTemplate.png');
+	return APP_ICON + (process.platform === 'win32' ? 'win.ico' : 'osx.png');
 };
 
 let unread = 0;
@@ -48,60 +43,69 @@ const config = {
 	thick: process.platform === 'win32'
 };
 
-const renderCanvas = function (arg: number): HTMLCanvasElement {
+const renderCanvas = function (arg: number): Promise<HTMLCanvasElement> {
 	config.unreadCount = arg;
 
-	const SIZE = config.size * config.pixelRatio;
-	const PADDING = SIZE * 0.05;
-	const CENTER = SIZE / 2;
-	const HAS_COUNT = config.showUnreadCount && config.unreadCount;
-	const color = config.unreadCount ? config.unreadColor : config.readColor;
-	const backgroundColor = config.unreadCount ? config.unreadBackgroundColor : config.readBackgroundColor;
+	return new Promise(resolve => {
+		const SIZE = config.size * config.pixelRatio;
+		const PADDING = SIZE * 0.05;
+		const CENTER = SIZE / 2;
+		const HAS_COUNT = config.showUnreadCount && config.unreadCount;
+		const color = config.unreadCount ? config.unreadColor : config.readColor;
+		const backgroundColor = config.unreadCount ? config.unreadBackgroundColor : config.readBackgroundColor;
 
-	const canvas = document.createElement('canvas');
-	canvas.width = SIZE;
-	canvas.height = SIZE;
-	const ctx = canvas.getContext('2d');
+		const canvas = document.createElement('canvas');
+		canvas.width = SIZE;
+		canvas.height = SIZE;
+		const ctx = canvas.getContext('2d');
 
-	// Circle
-	// If (!config.thick || config.thick && HAS_COUNT) {
-	ctx.beginPath();
-	ctx.arc(CENTER, CENTER, (SIZE / 2) - PADDING, 0, 2 * Math.PI, false);
-	ctx.fillStyle = backgroundColor;
-	ctx.fill();
-	ctx.lineWidth = SIZE / (config.thick ? 10 : 20);
-	ctx.strokeStyle = backgroundColor;
-	ctx.stroke();
-	// Count or Icon
-	if (HAS_COUNT) {
-		ctx.fillStyle = color;
-		ctx.textAlign = 'center';
-		if (config.unreadCount > 99) {
-			ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.4}px Helvetica`;
-			ctx.fillText('99+', CENTER, CENTER + (SIZE * 0.15));
-		} else if (config.unreadCount < 10) {
-			ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.5}px Helvetica`;
-			ctx.fillText(String(config.unreadCount), CENTER, CENTER + (SIZE * 0.2));
-		} else {
-			ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.5}px Helvetica`;
-			ctx.fillText(String(config.unreadCount), CENTER, CENTER + (SIZE * 0.15));
+		// Circle
+		// If (!config.thick || config.thick && HAS_COUNT) {
+		ctx.beginPath();
+		ctx.arc(CENTER, CENTER, (SIZE / 2) - PADDING, 0, 2 * Math.PI, false);
+		ctx.fillStyle = backgroundColor;
+		ctx.fill();
+		ctx.lineWidth = SIZE / (config.thick ? 10 : 20);
+		ctx.strokeStyle = backgroundColor;
+		ctx.stroke();
+		// Count or Icon
+		if (HAS_COUNT) {
+			ctx.fillStyle = color;
+			ctx.textAlign = 'center';
+			if (config.unreadCount > 99) {
+				ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.4}px Helvetica`;
+				ctx.fillText('99+', CENTER, CENTER + (SIZE * 0.15));
+			} else if (config.unreadCount < 10) {
+				ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.5}px Helvetica`;
+				ctx.fillText(String(config.unreadCount), CENTER, CENTER + (SIZE * 0.20));
+			} else {
+				ctx.font = `${config.thick ? 'bold ' : ''}${SIZE * 0.5}px Helvetica`;
+				ctx.fillText(String(config.unreadCount), CENTER, CENTER + (SIZE * 0.15));
+			}
+
+			resolve(canvas);
 		}
-	}
-
-	return canvas;
+	});
 };
-
 /**
  * Renders the tray icon as a native image
  * @param arg: Unread count
  * @return the native image
  */
-const renderNativeImage = function (arg: number): NativeImage {
-	const canvas = renderCanvas(arg);
-	const pngData = nativeImage.createFromDataURL(canvas.toDataURL('image/png')).toPNG();
-	return nativeImage.createFromBuffer(pngData, {
-		scaleFactor: config.pixelRatio
-	});
+const renderNativeImage = function (arg: number): Promise<NativeImage> {
+	return Promise.resolve()
+		.then(() => renderCanvas(arg))
+		.then(canvas => {
+			const pngData = nativeImage.createFromDataURL(canvas.toDataURL('image/png')).toPNG();
+
+			// TODO: Fix the function to correctly use Promise correctly.
+			// the Promise.resolve().then(...) above is useless we should
+			// start with renderCanvas(arg).then
+			// eslint-disable-next-line promise/no-return-wrap
+			return Promise.resolve(nativeImage.createFromBuffer(pngData, {
+				scaleFactor: config.pixelRatio
+			}));
+		});
 };
 
 function sendAction(action: string): void {
@@ -115,6 +119,7 @@ function sendAction(action: string): void {
 }
 
 const createTray = function (): void {
+	window.tray = new Tray(iconPath());
 	const contextMenu = Menu.buildFromTemplate([
 		{
 			label: 'Zulip',
@@ -139,23 +144,22 @@ const createTray = function (): void {
 			}
 		}
 	]);
-	tray = new Tray(iconPath());
-	tray.setContextMenu(contextMenu);
+	window.tray.setContextMenu(contextMenu);
 	if (process.platform === 'linux' || process.platform === 'win32') {
-		tray.on('click', () => {
+		window.tray.on('click', () => {
 			ipcRenderer.send('toggle-app');
 		});
 	}
 };
 
 ipcRenderer.on('destroytray', (event: Event): Event => {
-	if (!tray) {
+	if (!window.tray) {
 		return undefined;
 	}
 
-	tray.destroy();
-	if (tray.isDestroyed()) {
-		tray = null;
+	window.tray.destroy();
+	if (window.tray.isDestroyed()) {
+		window.tray = null;
 	} else {
 		throw new Error('Tray icon not properly destroyed.');
 	}
@@ -164,50 +168,48 @@ ipcRenderer.on('destroytray', (event: Event): Event => {
 });
 
 ipcRenderer.on('tray', (_event: Event, arg: number): void => {
-	if (!tray) {
+	if (!window.tray) {
 		return;
 	}
-
 	// We don't want to create tray from unread messages on macOS since it already has dock badges.
 	if (process.platform === 'linux' || process.platform === 'win32') {
 		if (arg === 0) {
 			unread = arg;
-			tray.setImage(iconPath());
-			tray.setToolTip('No unread messages');
+			window.tray.setImage(iconPath());
+			window.tray.setToolTip('No unread messages');
 		} else {
 			unread = arg;
-			const image = renderNativeImage(arg);
-			tray.setImage(image);
-			tray.setToolTip(`${arg} unread messages`);
+			renderNativeImage(arg).then(image => {
+				window.tray.setImage(image);
+				window.tray.setToolTip(arg + ' unread messages');
+			});
 		}
 	}
 });
 
 function toggleTray(): void {
 	let state;
-	if (tray) {
+	if (window.tray) {
 		state = false;
-		tray.destroy();
-		if (tray.isDestroyed()) {
-			tray = null;
+		window.tray.destroy();
+		if (window.tray.isDestroyed()) {
+			window.tray = null;
 		}
-
 		ConfigUtil.setConfigItem('trayIcon', false);
 	} else {
 		state = true;
 		createTray();
 		if (process.platform === 'linux' || process.platform === 'win32') {
-			const image = renderNativeImage(unread);
-			tray.setImage(image);
-			tray.setToolTip(`${unread} unread messages`);
+			renderNativeImage(unread).then(image => {
+				window.tray.setImage(image);
+				window.tray.setToolTip(unread + ' unread messages');
+			});
 		}
-
 		ConfigUtil.setConfigItem('trayIcon', true);
 	}
-
 	const selector = 'webview:not([class*=disabled])';
 	const webview: WebviewTag = document.querySelector(selector);
-	const webContents = remote.webContents.fromId(webview.getWebContentsId());
+	const webContents = webview.getWebContents();
 	webContents.send('toggletray', state);
 }
 
@@ -216,5 +218,3 @@ ipcRenderer.on('toggletray', toggleTray);
 if (ConfigUtil.getConfigItem('trayIcon', true)) {
 	createTray();
 }
-
-export {};

app/renderer/js/utils/certificate-util.ts

@@ -1,79 +1,96 @@
-import electron from 'electron';
-import fs from 'fs';
-import path from 'path';
+'use strict';
 
-import {JsonDB} from 'node-json-db';
+import { remote } from 'electron';
+import JsonDB from 'node-json-db';
+import { initSetUp } from './default-util';
 
-import {initSetUp} from './default-util';
-import Logger from './logger-util';
+import fs = require('fs');
+import path = require('path');
+import Logger = require('./logger-util');
 
-const {app, dialog} =
-	process.type === 'renderer' ? electron.remote : electron;
+const { app, dialog } = remote;
 
 initSetUp();
 
 const logger = new Logger({
-	file: 'certificate-util.log',
+	file: `certificate-util.log`,
 	timestamp: true
 });
 
+let instance: null | CertificateUtil = null;
 const certificatesDir = `${app.getPath('userData')}/certificates`;
 
-let db: JsonDB;
+class CertificateUtil {
+	db: JsonDB;
 
-reloadDB();
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
 
-export function getCertificate(server: string): string | undefined {
-	reloadDB();
-	return db.getData('/')[server];
-}
-
-// Function to copy the certificate to userData folder
-export function copyCertificate(_server: string, location: string, fileName: string): boolean {
-	let copied = false;
-	const filePath = `${certificatesDir}/${fileName}`;
-	try {
-		fs.copyFileSync(location, filePath);
-		copied = true;
-	} catch (error) {
-		dialog.showErrorBox(
-			'Error saving certificate',
-			'We encountered error while saving the certificate.'
-		);
-		logger.error('Error while copying the certificate to certificates folder.');
-		logger.error(error);
+		this.reloadDB();
+		return instance;
 	}
 
-	return copied;
-}
-
-export function setCertificate(server: string, fileName: string): void {
-	const filePath = `${fileName}`;
-	db.push(`/${server}`, filePath, true);
-	reloadDB();
-}
-
-export function removeCertificate(server: string): void {
-	db.delete(`/${server}`);
-	reloadDB();
-}
-
-function reloadDB(): void {
-	const settingsJsonPath = path.join(app.getPath('userData'), '/config/certificates.json');
-	try {
-		const file = fs.readFileSync(settingsJsonPath, 'utf8');
-		JSON.parse(file);
-	} catch (error) {
-		if (fs.existsSync(settingsJsonPath)) {
-			fs.unlinkSync(settingsJsonPath);
-			dialog.showErrorBox(
-				'Error saving settings',
-				'We encountered error while saving the certificate.'
-			);
-			logger.error('Error while JSON parsing certificates.json: ');
-			logger.error(error);
+	getCertificate(server: string, defaultValue: any = null): any {
+		this.reloadDB();
+		const value = this.db.getData('/')[server];
+		if (value === undefined) {
+			return defaultValue;
+		} else {
+			return value;
 		}
 	}
 
-	db = new JsonDB(settingsJsonPath, true, true);
+	// Function to copy the certificate to userData folder
+	copyCertificate(_server: string, location: string, fileName: string): boolean {
+		let copied = false;
+		const filePath = `${certificatesDir}/${fileName}`;
+		try {
+			fs.copyFileSync(location, filePath);
+			copied = true;
+		} catch (err) {
+			dialog.showErrorBox(
+				'Error saving certificate',
+				'We encountered error while saving the certificate.'
+			);
+			logger.error('Error while copying the certificate to certificates folder.');
+			logger.error(err);
+		}
+		return copied;
+	}
+
+	setCertificate(server: string, fileName: string): void {
+		const filePath = `${fileName}`;
+		this.db.push(`/${server}`, filePath, true);
+		this.reloadDB();
+	}
+
+	removeCertificate(server: string): void {
+		this.db.delete(`/${server}`);
+		this.reloadDB();
+	}
+
+	reloadDB(): void {
+		const settingsJsonPath = path.join(app.getPath('userData'), '/config/certificates.json');
+		try {
+			const file = fs.readFileSync(settingsJsonPath, 'utf8');
+			JSON.parse(file);
+		} catch (err) {
+			if (fs.existsSync(settingsJsonPath)) {
+				fs.unlinkSync(settingsJsonPath);
+				dialog.showErrorBox(
+					'Error saving settings',
+					'We encountered error while saving the certificate.'
+				);
+				logger.error('Error while JSON parsing certificates.json: ');
+				logger.error(err);
+			}
+		}
+		this.db = new JsonDB(settingsJsonPath, true, true);
+	}
 }
+
+export = new CertificateUtil();

app/renderer/js/utils/common-util.ts

@@ -1,8 +1,25 @@
-// Unescape already encoded/escaped strings
-export function decodeString(stringInput: string): string {
-	const parser = new DOMParser();
-	const dom = parser.parseFromString(
-		'<!doctype html><body>' + stringInput,
-		'text/html');
-	return dom.body.textContent;
+'use strict';
+
+let instance: null | CommonUtil = null;
+
+class CommonUtil {
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
+		return instance;
+	}
+
+	// unescape already encoded/escaped strings
+	decodeString(stringInput: string): string {
+		const parser = new DOMParser();
+		const dom = parser.parseFromString(
+			'<!doctype html><body>' + stringInput,
+			'text/html');
+		return dom.body.textContent;
+	}
 }
+
+export = new CommonUtil();

app/renderer/js/utils/config-util.ts

@@ -1,23 +1,24 @@
-import electron from 'electron';
-import fs from 'fs';
-import path from 'path';
+'use strict';
+import JsonDB from 'node-json-db';
 
-import {JsonDB} from 'node-json-db';
-
-import * as EnterpriseUtil from './enterprise-util';
-import Logger from './logger-util';
+import fs = require('fs');
+import path = require('path');
+import electron = require('electron');
+import Logger = require('./logger-util');
+import EnterpriseUtil = require('./enterprise-util');
 
 const logger = new Logger({
 	file: 'config-util.log',
 	timestamp: true
 });
 
+let instance: null | ConfigUtil = null;
 let dialog: Electron.Dialog = null;
 let app: Electron.App = null;
 
 /* To make the util runnable in both main and renderer process */
 if (process.type === 'renderer') {
-	const {remote} = electron;
+	const { remote } = electron;
 	dialog = remote.dialog;
 	app = remote.app;
 } else {
@@ -25,82 +26,81 @@ if (process.type === 'renderer') {
 	app = electron.app;
 }
 
-let db: JsonDB;
+class ConfigUtil {
+	db: JsonDB;
 
-reloadDB();
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
 
-export function getConfigItem(key: string, defaultValue: unknown = null): any {
-	try {
-		db.reload();
-	} catch (error) {
-		logger.error('Error while reloading settings.json: ');
-		logger.error(error);
+		this.reloadDB();
+		return instance;
 	}
 
-	const value = db.getData('/')[key];
-	if (value === undefined) {
-		setConfigItem(key, defaultValue);
-		return defaultValue;
-	}
-
-	return value;
-}
-
-export function getConfigString(key: string, defaultValue: string): string {
-	const value = getConfigItem(key, defaultValue);
-	if (typeof value === 'string') {
-		return value;
-	}
-
-	setConfigItem(key, defaultValue);
-	return defaultValue;
-}
-
-// This function returns whether a key exists in the configuration file (settings.json)
-export function isConfigItemExists(key: string): boolean {
-	try {
-		db.reload();
-	} catch (error) {
-		logger.error('Error while reloading settings.json: ');
-		logger.error(error);
-	}
-
-	const value = db.getData('/')[key];
-	return (value !== undefined);
-}
-
-export function setConfigItem(key: string, value: unknown, override? : boolean): void {
-	if (EnterpriseUtil.configItemExists(key) && !override) {
-		// If item is in global config and we're not trying to override
-		return;
-	}
-
-	db.push(`/${key}`, value, true);
-	db.save();
-}
-
-export function removeConfigItem(key: string): void {
-	db.delete(`/${key}`);
-	db.save();
-}
-
-function reloadDB(): void {
-	const settingsJsonPath = path.join(app.getPath('userData'), '/config/settings.json');
-	try {
-		const file = fs.readFileSync(settingsJsonPath, 'utf8');
-		JSON.parse(file);
-	} catch (error) {
-		if (fs.existsSync(settingsJsonPath)) {
-			fs.unlinkSync(settingsJsonPath);
-			dialog.showErrorBox(
-				'Error saving settings',
-				'We encountered an error while saving the settings.'
-			);
-			logger.error('Error while JSON parsing settings.json: ');
-			logger.error(error);
-			logger.reportSentry(error);
+	getConfigItem(key: string, defaultValue: any = null): any {
+		try {
+			this.db.reload();
+		} catch (err) {
+			logger.error('Error while reloading settings.json: ');
+			logger.error(err);
+		}
+		const value = this.db.getData('/')[key];
+		if (value === undefined) {
+			this.setConfigItem(key, defaultValue);
+			return defaultValue;
+		} else {
+			return value;
 		}
 	}
 
-	db = new JsonDB(settingsJsonPath, true, true);
+	// This function returns whether a key exists in the configuration file (settings.json)
+	isConfigItemExists(key: string): boolean {
+		try {
+			this.db.reload();
+		} catch (err) {
+			logger.error('Error while reloading settings.json: ');
+			logger.error(err);
+		}
+		const value = this.db.getData('/')[key];
+		return (value !== undefined);
+	}
+
+	setConfigItem(key: string, value: any, override? : boolean): void {
+		if (EnterpriseUtil.configItemExists(key) && !override) {
+			// if item is in global config and we're not trying to override
+			return;
+		}
+		this.db.push(`/${key}`, value, true);
+		this.db.save();
+	}
+
+	removeConfigItem(key: string): void {
+		this.db.delete(`/${key}`);
+		this.db.save();
+	}
+
+	reloadDB(): void {
+		const settingsJsonPath = path.join(app.getPath('userData'), '/config/settings.json');
+		try {
+			const file = fs.readFileSync(settingsJsonPath, 'utf8');
+			JSON.parse(file);
+		} catch (err) {
+			if (fs.existsSync(settingsJsonPath)) {
+				fs.unlinkSync(settingsJsonPath);
+				dialog.showErrorBox(
+					'Error saving settings',
+					'We encountered an error while saving the settings.'
+				);
+				logger.error('Error while JSON parsing settings.json: ');
+				logger.error(err);
+				logger.reportSentry(err);
+			}
+		}
+		this.db = new JsonDB(settingsJsonPath, true, true);
+	}
 }
+
+export = new ConfigUtil();

app/renderer/js/utils/default-util.ts

@@ -1,12 +1,11 @@
-import electron from 'electron';
-import fs from 'fs';
+import fs = require('fs');
 
 let app: Electron.App = null;
 let setupCompleted = false;
 if (process.type === 'renderer') {
-	app = electron.remote.app;
+	app = require('electron').remote.app;
 } else {
-	app = electron.app;
+	app = require('electron').app;
 }
 
 const zulipDir = app.getPath('userData');
@@ -14,7 +13,7 @@ const logDir = `${zulipDir}/Logs/`;
 const certificatesDir = `${zulipDir}/certificates/`;
 const configDir = `${zulipDir}/config/`;
 export const initSetUp = (): void => {
-	// If it is the first time the app is running
+	// if it is the first time the app is running
 	// create zulip dir in userData folder to
 	// avoid errors
 	if (!setupCompleted) {
@@ -42,19 +41,19 @@ export const initSetUp = (): void => {
 			const configData = [
 				{
 					path: domainJson,
-					fileName: 'domain.json'
+					fileName: `domain.json`
 				},
 				{
 					path: certificatesJson,
-					fileName: 'certificates.json'
+					fileName: `certificates.json`
 				},
 				{
 					path: settingsJson,
-					fileName: 'settings.json'
+					fileName: `settings.json`
 				},
 				{
 					path: updatesJson,
-					fileName: 'updates.json'
+					fileName: `updates.json`
 				}
 			];
 			configData.forEach(data => {
@@ -63,7 +62,7 @@ export const initSetUp = (): void => {
 					fs.unlinkSync(data.path);
 				}
 			});
-			// `window-state.json` is only deleted not moved, as the electron-window-state
+			// window-state.json is only deleted not moved, as the electron-window-state
 			// package will recreate the file in the config folder.
 			if (fs.existsSync(windowStateJson)) {
 				fs.unlinkSync(windowStateJson);

app/renderer/js/utils/dnd-util.ts

@@ -1,28 +1,30 @@
-import * as ConfigUtil from './config-util';
+'use strict';
 
-type SettingName = 'showNotification' | 'silent' | 'flashTaskbarOnMessage';
+import ConfigUtil = require('./config-util');
 
-export interface DNDSettings {
-	showNotification?: boolean;
-	silent?: boolean;
-	flashTaskbarOnMessage?: boolean;
+// TODO: TypeScript - add to Setting interface
+// the list of settings since we have fixed amount of them
+// We want to do this by creating a new module that exports
+// this interface
+interface Setting {
+	[key: string]: any;
 }
 
 interface Toggle {
 	dnd: boolean;
-	newSettings: DNDSettings;
+	newSettings: Setting;
 }
 
 export function toggle(): Toggle {
 	const dnd = !ConfigUtil.getConfigItem('dnd', false);
-	const dndSettingList: SettingName[] = ['showNotification', 'silent'];
+	const dndSettingList = ['showNotification', 'silent'];
 	if (process.platform === 'win32') {
 		dndSettingList.push('flashTaskbarOnMessage');
 	}
 
-	let newSettings: DNDSettings;
+	let newSettings: Setting;
 	if (dnd) {
-		const oldSettings: DNDSettings = {};
+		const oldSettings: Setting = {};
 		newSettings = {};
 
 		// Iterate through the dndSettingList.

app/renderer/js/utils/domain-util.ts

@@ -1,204 +1,331 @@
-import {remote, ipcRenderer} from 'electron';
-import fs from 'fs';
-import path from 'path';
+'use strict';
+import JsonDB from 'node-json-db';
 
-import {JsonDB} from 'node-json-db';
+import escape = require('escape-html');
+import request = require('request');
+import fs = require('fs');
+import path = require('path');
+import Logger = require('./logger-util');
+import electron = require('electron');
 
-import * as Messages from '../../../resources/messages';
+import RequestUtil = require('./request-util');
+import EnterpriseUtil = require('./enterprise-util');
+import Messages = require('../../../resources/messages');
 
-import * as EnterpriseUtil from './enterprise-util';
-import Logger from './logger-util';
-
-const {app, dialog} = remote;
-
-export interface ServerConf {
-	url: string;
-	alias?: string;
-	icon?: string;
-}
+const { ipcRenderer } = electron;
+const { app, dialog } = electron.remote;
 
 const logger = new Logger({
-	file: 'domain-util.log',
+	file: `domain-util.log`,
 	timestamp: true
 });
 
+let instance: null | DomainUtil = null;
+
 const defaultIconUrl = '../renderer/img/icon.png';
 
-let db: JsonDB;
+class DomainUtil {
+	db: JsonDB;
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
 
-reloadDB();
-// Migrate from old schema
-if (db.getData('/').domain) {
-	(async () => {
-		await addDomain({
-			alias: 'Zulip',
-			url: db.getData('/domain')
+		this.reloadDB();
+		// Migrate from old schema
+		if (this.db.getData('/').domain) {
+			this.addDomain({
+				alias: 'Zulip',
+				url: this.db.getData('/domain')
+			});
+			this.db.delete('/domain');
+		}
+
+		return instance;
+	}
+
+	getDomains(): any {
+		this.reloadDB();
+		if (this.db.getData('/').domains === undefined) {
+			return [];
+		} else {
+			return this.db.getData('/domains');
+		}
+	}
+
+	getDomain(index: number): any {
+		this.reloadDB();
+		return this.db.getData(`/domains[${index}]`);
+	}
+
+	shouldIgnoreCerts(url: string): boolean {
+		const domains = this.getDomains();
+		for (const domain of domains) {
+			if (domain.url === url) {
+				return domain.ignoreCerts;
+			}
+		}
+		return null;
+	}
+
+	updateDomain(index: number, server: object): void {
+		this.reloadDB();
+		this.db.push(`/domains[${index}]`, server, true);
+	}
+
+	addDomain(server: any): Promise<void> {
+		const { ignoreCerts } = server;
+		return new Promise(resolve => {
+			if (server.icon) {
+				this.saveServerIcon(server, ignoreCerts).then(localIconUrl => {
+					server.icon = localIconUrl;
+					this.db.push('/domains[]', server, true);
+					this.reloadDB();
+					resolve();
+				});
+			} else {
+				server.icon = defaultIconUrl;
+				this.db.push('/domains[]', server, true);
+				this.reloadDB();
+				resolve();
+			}
 		});
-		db.delete('/domain');
-	})();
-}
-
-export function getDomains(): ServerConf[] {
-	reloadDB();
-	if (db.getData('/').domains === undefined) {
-		return [];
 	}
 
-	return db.getData('/domains');
-}
-
-export function getDomain(index: number): ServerConf {
-	reloadDB();
-	return db.getData(`/domains[${index}]`);
-}
-
-export function updateDomain(index: number, server: ServerConf): void {
-	reloadDB();
-	db.push(`/domains[${index}]`, server, true);
-}
-
-export async function addDomain(server: ServerConf): Promise<void> {
-	if (server.icon) {
-		const localIconUrl = await saveServerIcon(server);
-		server.icon = localIconUrl;
-		db.push('/domains[]', server, true);
-		reloadDB();
-	} else {
-		server.icon = defaultIconUrl;
-		db.push('/domains[]', server, true);
-		reloadDB();
+	removeDomains(): void {
+		this.db.delete('/domains');
+		this.reloadDB();
 	}
-}
 
-export function removeDomains(): void {
-	db.delete('/domains');
-	reloadDB();
-}
+	removeDomain(index: number): boolean {
+		if (EnterpriseUtil.isPresetOrg(this.getDomain(index).url)) {
+			return false;
+		}
+		this.db.delete(`/domains[${index}]`);
+		this.reloadDB();
+		return true;
+	}
 
-export function removeDomain(index: number): boolean {
-	if (EnterpriseUtil.isPresetOrg(getDomain(index).url)) {
+	// Check if domain is already added
+	duplicateDomain(domain: any): boolean {
+		domain = this.formatUrl(domain);
+		const servers = this.getDomains();
+		for (const i in servers) {
+			if (servers[i].url === domain) {
+				return true;
+			}
+		}
 		return false;
 	}
 
-	db.delete(`/domains[${index}]`);
-	reloadDB();
-	return true;
-}
+	async checkCertError(domain: any, serverConf: any, error: string, silent: boolean): Promise<string | object> {
+		if (silent) {
+			// since getting server settings has already failed
+			return serverConf;
+		} else {
+			// Report error to sentry to get idea of possible certificate errors
+			// users get when adding the servers
+			logger.reportSentry(new Error(error).toString());
+			const certErrorMessage = Messages.certErrorMessage(domain, error);
+			const certErrorDetail = Messages.certErrorDetail();
 
-// Check if domain is already added
-export function duplicateDomain(domain: string): boolean {
-	domain = formatUrl(domain);
-	return getDomains().some(server => server.url === domain);
-}
-
-async function checkCertError(domain: string, serverConf: ServerConf, error: any, silent: boolean): Promise<ServerConf> {
-	if (silent) {
-		// Since getting server settings has already failed
-		return serverConf;
-	}
-
-	// Report error to sentry to get idea of possible certificate errors
-	// users get when adding the servers
-	logger.reportSentry(error);
-	const certErrorMessage = Messages.certErrorMessage(domain, error);
-	const certErrorDetail = Messages.certErrorDetail();
-
-	await dialog.showMessageBox({
-		type: 'error',
-		buttons: ['OK'],
-		message: certErrorMessage,
-		detail: certErrorDetail
-	});
-	throw new Error('Untrusted certificate.');
-}
-
-export async function checkDomain(domain: string, silent = false): Promise<ServerConf> {
-	if (!silent && duplicateDomain(domain)) {
-		// Do not check duplicate in silent mode
-		throw new Error('This server has been added.');
-	}
-
-	domain = formatUrl(domain);
-
-	const serverConf = {
-		icon: defaultIconUrl,
-		url: domain,
-		alias: domain
-	};
-
-	try {
-		return await getServerSettings(domain);
-	} catch (error_) {
-		// Make sure that error is an error or string not undefined
-		// so validation does not throw error.
-		const error = error_ || '';
-
-		const certsError = error.toString().includes('certificate');
-		if (certsError) {
-			const result = await checkCertError(domain, serverConf, error, silent);
-			return result;
-		}
-
-		throw new Error(Messages.invalidZulipServerError(domain));
-	}
-}
-
-async function getServerSettings(domain: string): Promise<ServerConf> {
-	return ipcRenderer.invoke('get-server-settings', domain);
-}
-
-export async function saveServerIcon(server: ServerConf): Promise<string> {
-	return ipcRenderer.invoke('save-server-icon', server.icon);
-}
-
-export async function updateSavedServer(url: string, index: number): Promise<void> {
-	// Does not promise successful update
-	const oldIcon = getDomain(index).icon;
-	try {
-		const newServerConf = await checkDomain(url, true);
-		const localIconUrl = await saveServerIcon(newServerConf);
-		if (!oldIcon || localIconUrl !== '../renderer/img/icon.png') {
-			newServerConf.icon = localIconUrl;
-			updateDomain(index, newServerConf);
-			reloadDB();
-		}
-	} catch (error) {
-		logger.log('Could not update server icon.');
-		logger.log(error);
-		logger.reportSentry(error);
-	}
-}
-
-function reloadDB(): void {
-	const domainJsonPath = path.join(app.getPath('userData'), 'config/domain.json');
-	try {
-		const file = fs.readFileSync(domainJsonPath, 'utf8');
-		JSON.parse(file);
-	} catch (error) {
-		if (fs.existsSync(domainJsonPath)) {
-			fs.unlinkSync(domainJsonPath);
-			dialog.showErrorBox(
-				'Error saving new organization',
-				'There seems to be error while saving new organization, ' +
-				'you may have to re-add your previous organizations back.'
-			);
-			logger.error('Error while JSON parsing domain.json: ');
-			logger.error(error);
-			logger.reportSentry(error);
+			const response = await (dialog.showMessageBox({
+				type: 'warning',
+				buttons: ['Yes', 'No'],
+				defaultId: 1,
+				message: certErrorMessage,
+				detail: certErrorDetail
+			}) as any); // TODO: TypeScript - Figure this out
+			if (response === 0) {
+				// set ignoreCerts parameter to true in case user responds with yes
+				serverConf.ignoreCerts = true;
+				try {
+					return await this.getServerSettings(domain, serverConf.ignoreCerts);
+				} catch (_) {
+					if (error === Messages.noOrgsError(domain)) {
+						throw new Error(error);
+					}
+					return serverConf;
+				}
+			} else {
+				throw new Error('Untrusted certificate.');
+			}
 		}
 	}
 
-	db = new JsonDB(domainJsonPath, true, true);
-}
+	// ignoreCerts parameter helps in fetching server icon and
+	// other server details when user chooses to ignore certificate warnings
+	async checkDomain(domain: any, ignoreCerts = false, silent = false): Promise<any> {
+		if (!silent && this.duplicateDomain(domain)) {
+			// Do not check duplicate in silent mode
+			throw new Error('This server has been added.');
+		}
 
-export function formatUrl(domain: string): string {
-	if (domain.startsWith('http://') || domain.startsWith('https://')) {
-		return domain;
+		domain = this.formatUrl(domain);
+
+		const serverConf = {
+			icon: defaultIconUrl,
+			url: domain,
+			alias: domain,
+			ignoreCerts
+		};
+
+		try {
+			return await this.getServerSettings(domain, serverConf.ignoreCerts);
+		} catch (err) {
+			// If the domain contains following strings we just bypass the server
+			const whitelistDomains = [
+				'zulipdev.org'
+			];
+
+			// make sure that error is an error or string not undefined
+			// so validation does not throw error.
+			const error = err || '';
+
+			const certsError = error.toString().includes('certificate');
+			if (domain.indexOf(whitelistDomains) >= 0 || certsError) {
+				return this.checkCertError(domain, serverConf, error, silent);
+			} else {
+				throw Messages.invalidZulipServerError(domain);
+			}
+		}
 	}
 
-	if (domain.startsWith('localhost:')) {
-		return `http://${domain}`;
+	getServerSettings(domain: any, ignoreCerts = false): Promise<object | string> {
+		const serverSettingsOptions = {
+			url: domain + '/api/v1/server_settings',
+			...RequestUtil.requestOptions(domain, ignoreCerts)
+		};
+
+		return new Promise((resolve, reject) => {
+			request(serverSettingsOptions, (error: string, response: any) => {
+				if (!error && response.statusCode === 200) {
+					const data = JSON.parse(response.body);
+					if (data.hasOwnProperty('realm_icon') && data.realm_icon) {
+						resolve({
+							// Some Zulip Servers use absolute URL for server icon whereas others use relative URL
+							// Following check handles both the cases
+							icon: data.realm_icon.startsWith('/') ? data.realm_uri + data.realm_icon : data.realm_icon,
+							url: data.realm_uri,
+							alias: escape(data.realm_name),
+							ignoreCerts
+						});
+					} else {
+						reject(Messages.noOrgsError(domain));
+					}
+				} else {
+					reject(response);
+				}
+			});
+		});
 	}
 
-	return `https://${domain}`;
+	saveServerIcon(server: any, ignoreCerts = false): Promise<string> {
+		const url = server.icon;
+		const domain = server.url;
+
+		const serverIconOptions = {
+			url,
+			...RequestUtil.requestOptions(domain, ignoreCerts)
+		};
+
+		// The save will always succeed. If url is invalid, downgrade to default icon.
+		return new Promise(resolve => {
+			const filePath = this.generateFilePath(url);
+			const file = fs.createWriteStream(filePath);
+			try {
+				request(serverIconOptions).on('response', (response: any) => {
+					response.on('error', (err: string) => {
+						logger.log('Could not get server icon.');
+						logger.log(err);
+						logger.reportSentry(err);
+						resolve(defaultIconUrl);
+					});
+					response.pipe(file).on('finish', () => {
+						resolve(filePath);
+					});
+				}).on('error', (err: string) => {
+					logger.log('Could not get server icon.');
+					logger.log(err);
+					logger.reportSentry(err);
+					resolve(defaultIconUrl);
+				});
+			} catch (err) {
+				logger.log('Could not get server icon.');
+				logger.log(err);
+				logger.reportSentry(err);
+				resolve(defaultIconUrl);
+			}
+		});
+	}
+
+	async updateSavedServer(url: string, index: number): Promise<void> {
+		// Does not promise successful update
+		const oldIcon = this.getDomain(index).icon;
+		const { ignoreCerts } = this.getDomain(index);
+		try {
+			const newServerConf = await this.checkDomain(url, ignoreCerts, true);
+			const localIconUrl = await this.saveServerIcon(newServerConf, ignoreCerts);
+			if (!oldIcon || localIconUrl !== '../renderer/img/icon.png') {
+				newServerConf.icon = localIconUrl;
+				this.updateDomain(index, newServerConf);
+				this.reloadDB();
+			}
+		} catch (err) {
+			ipcRenderer.send('forward-message', 'show-network-error', index);
+		}
+	}
+
+	reloadDB(): void {
+		const domainJsonPath = path.join(app.getPath('userData'), 'config/domain.json');
+		try {
+			const file = fs.readFileSync(domainJsonPath, 'utf8');
+			JSON.parse(file);
+		} catch (err) {
+			if (fs.existsSync(domainJsonPath)) {
+				fs.unlinkSync(domainJsonPath);
+				dialog.showErrorBox(
+					'Error saving new organization',
+					'There seems to be error while saving new organization, ' +
+					'you may have to re-add your previous organizations back.'
+				);
+				logger.error('Error while JSON parsing domain.json: ');
+				logger.error(err);
+				logger.reportSentry(err);
+			}
+		}
+		this.db = new JsonDB(domainJsonPath, true, true);
+	}
+
+	generateFilePath(url: string): string {
+		const dir = `${app.getPath('userData')}/server-icons`;
+		const extension = path.extname(url).split('?')[0];
+
+		let hash = 5381;
+		let len = url.length;
+
+		while (len) {
+			hash = (hash * 33) ^ url.charCodeAt(--len);
+		}
+
+		// Create 'server-icons' directory if not existed
+		if (!fs.existsSync(dir)) {
+			fs.mkdirSync(dir);
+		}
+
+		return `${dir}/${hash >>> 0}${extension}`;
+	}
+
+	formatUrl(domain: any): string {
+		const hasPrefix = (domain.indexOf('http') === 0);
+		if (hasPrefix) {
+			return domain;
+		} else {
+			return (domain.indexOf('localhost:') >= 0) ? `http://${domain}` : `https://${domain}`;
+		}
+	}
 }
+
+export = new DomainUtil();

app/renderer/js/utils/enterprise-util.ts

@@ -1,81 +1,80 @@
-import fs from 'fs';
-import path from 'path';
+import fs = require('fs');
+import path = require('path');
 
-import Logger from './logger-util';
+import Logger = require('./logger-util');
 
 const logger = new Logger({
 	file: 'enterprise-util.log',
 	timestamp: true
 });
 
-// TODO: replace enterpriseSettings type with an interface once settings are final
-let enterpriseSettings: {[key: string]: unknown};
-let configFile: boolean;
+let instance: null | EnterpriseUtil = null;
 
-reloadDB();
-
-function reloadDB(): void {
-	let enterpriseFile = '/etc/zulip-desktop-config/global_config.json';
-	if (process.platform === 'win32') {
-		enterpriseFile = 'C:\\Program Files\\Zulip-Desktop-Config\\global_config.json';
-	}
-
-	enterpriseFile = path.resolve(enterpriseFile);
-	if (fs.existsSync(enterpriseFile)) {
-		configFile = true;
-		try {
-			const file = fs.readFileSync(enterpriseFile, 'utf8');
-			enterpriseSettings = JSON.parse(file);
-		} catch (error) {
-			logger.log('Error while JSON parsing global_config.json: ');
-			logger.log(error);
+class EnterpriseUtil {
+	// todo: replace enterpriseSettings type with an interface once settings are final
+	enterpriseSettings: any;
+	configFile: boolean;
+	constructor() {
+		if (instance) {
+			return instance;
 		}
-	} else {
-		configFile = false;
-	}
-}
+		instance = this;
 
-export function hasConfigFile(): boolean {
-	return configFile;
-}
-
-export function getConfigItem(key: string, defaultValue?: unknown): any {
-	reloadDB();
-	if (!configFile) {
-		return defaultValue;
+		this.reloadDB();
 	}
 
-	if (defaultValue === undefined) {
-		defaultValue = null;
-	}
+	reloadDB(): void {
+		let enterpriseFile = '/etc/zulip-desktop-config/global_config.json';
+		if (process.platform === 'win32') {
+			enterpriseFile = 'C:\\Program Files\\Zulip-Desktop-Config\\global_config.json';
+		}
 
-	return configItemExists(key) ? enterpriseSettings[key] : defaultValue;
-}
-
-export function configItemExists(key: string): boolean {
-	reloadDB();
-	if (!configFile) {
-		return false;
-	}
-
-	return (enterpriseSettings[key] !== undefined);
-}
-
-export function isPresetOrg(url: string): boolean {
-	if (!configFile || !configItemExists('presetOrganizations')) {
-		return false;
-	}
-
-	const presetOrgs = enterpriseSettings.presetOrganizations;
-	if (!Array.isArray(presetOrgs)) {
-		throw new TypeError('Expected array for presetOrgs');
-	}
-
-	for (const org of presetOrgs) {
-		if (url.includes(org)) {
-			return true;
+		enterpriseFile = path.resolve(enterpriseFile);
+		if (fs.existsSync(enterpriseFile)) {
+			this.configFile = true;
+			try {
+				const file = fs.readFileSync(enterpriseFile, 'utf8');
+				this.enterpriseSettings = JSON.parse(file);
+			} catch (err) {
+				logger.log('Error while JSON parsing global_config.json: ');
+				logger.log(err);
+			}
+		} else {
+			this.configFile = false;
 		}
 	}
 
-	return false;
+	getConfigItem(key: string, defaultValue?: any): any {
+		this.reloadDB();
+		if (!this.configFile) {
+			return defaultValue;
+		}
+		if (defaultValue === undefined) {
+			defaultValue = null;
+		}
+		return this.configItemExists(key) ? this.enterpriseSettings[key] : defaultValue;
+	}
+
+	configItemExists(key: string): boolean {
+		this.reloadDB();
+		if (!this.configFile) {
+			return false;
+		}
+		return (this.enterpriseSettings[key] !== undefined);
+	}
+
+	isPresetOrg(url: string): boolean {
+		if (!this.configFile || !this.configItemExists('presetOrganizations')) {
+			return false;
+		}
+		const presetOrgs = this.enterpriseSettings.presetOrganizations;
+		for (const org of presetOrgs) {
+			if (url.includes(org)) {
+				return true;
+			}
+		}
+		return false;
+	}
 }
+
+export = new EnterpriseUtil();

app/renderer/js/utils/link-util.ts

@@ -1,46 +1,51 @@
-import {shell} from 'electron';
-import fs from 'fs';
-import os from 'os';
-import path from 'path';
+'use strict';
 
-import escape from 'escape-html';
+// TODO: TypeScript - Add @types/
+import wurl = require('wurl');
 
-export function isUploadsUrl(server: string, url: URL): boolean {
-	return url.origin === server && url.pathname.startsWith('/user_uploads/');
+let instance: null | LinkUtil = null;
+
+interface IsInternalResponse {
+	isInternalUrl: boolean;
+	isUploadsUrl: boolean;
 }
 
-export async function openBrowser(url: URL): Promise<void> {
-	if (['http:', 'https:', 'mailto:'].includes(url.protocol)) {
-		await shell.openExternal(url.href);
-	} else {
-		// For security, indirect links to non-whitelisted protocols
-		// through a real web browser via a local HTML file.
-		const dir = fs.mkdtempSync(
-			path.join(os.tmpdir(), 'zulip-redirect-')
-		);
-		const file = path.join(dir, 'redirect.html');
-		fs.writeFileSync(file, `\
-<!DOCTYPE html>
-<html>
-    <head>
-        <meta charset="UTF-8" />
-        <meta http-equiv="Refresh" content="0; url=${escape(url.href)}" />
-        <title>Redirecting</title>
-        <style>
-            html {
-                font-family: menu, "Helvetica Neue", sans-serif;
-            }
-        </style>
-    </head>
-    <body>
-        <p>Opening <a href="${escape(url.href)}">${escape(url.href)}</a>…</p>
-    </body>
-</html>
-`);
-		await shell.openPath(file);
-		setTimeout(() => {
-			fs.unlinkSync(file);
-			fs.rmdirSync(dir);
-		}, 15000);
+class LinkUtil {
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
+
+		return instance;
+	}
+
+	isInternal(currentUrl: string, newUrl: string): IsInternalResponse {
+		const currentDomain = wurl('hostname', currentUrl);
+		const newDomain = wurl('hostname', newUrl);
+
+		const sameDomainUrl = (currentDomain === newDomain || newUrl === currentUrl + '/');
+		const isUploadsUrl = newUrl.includes(currentUrl + '/user_uploads/');
+		const isInternalUrl = newUrl.includes('/#narrow') || isUploadsUrl;
+
+		return {
+			isInternalUrl: sameDomainUrl && isInternalUrl,
+			isUploadsUrl
+		};
+	}
+
+	isImage(url: string): boolean {
+		// test for images extension as well as urls like .png?s=100
+		const isImageUrl = /\.(bmp|gif|jpg|jpeg|png|webp)\?*.*$/i;
+		return isImageUrl.test(url);
+	}
+
+	isPDF(url: string): boolean {
+		// test for pdf extension
+		const isPDFUrl = /\.(pdf)\?*.*$/i;
+		return isPDFUrl.test(url);
 	}
 }
+
+export = new LinkUtil();

app/renderer/js/utils/linux-update-util.ts

@@ -1,10 +1,10 @@
-import electron from 'electron';
-import fs from 'fs';
-import path from 'path';
+'use strict';
+import JsonDB from 'node-json-db';
 
-import {JsonDB} from 'node-json-db';
-
-import Logger from './logger-util';
+import fs = require('fs');
+import path = require('path');
+import electron = require('electron');
+import Logger = require('./logger-util');
 
 const remote =
 	process.type === 'renderer' ? electron.remote : electron;
@@ -15,49 +15,62 @@ const logger = new Logger({
 });
 
 /* To make the util runnable in both main and renderer process */
-const {dialog, app} = remote;
+const { dialog, app } = remote;
+let instance: null | LinuxUpdateUtil = null;
 
-let db: JsonDB;
+class LinuxUpdateUtil {
+	db: JsonDB;
 
-reloadDB();
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
+		}
 
-export function getUpdateItem(key: string, defaultValue: unknown = null): any {
-	reloadDB();
-	const value = db.getData('/')[key];
-	if (value === undefined) {
-		setUpdateItem(key, defaultValue);
-		return defaultValue;
+		this.reloadDB();
+		return instance;
 	}
 
-	return value;
-}
-
-export function setUpdateItem(key: string, value: unknown): void {
-	db.push(`/${key}`, value, true);
-	reloadDB();
-}
-
-export function removeUpdateItem(key: string): void {
-	db.delete(`/${key}`);
-	reloadDB();
-}
-
-function reloadDB(): void {
-	const linuxUpdateJsonPath = path.join(app.getPath('userData'), '/config/updates.json');
-	try {
-		const file = fs.readFileSync(linuxUpdateJsonPath, 'utf8');
-		JSON.parse(file);
-	} catch (error) {
-		if (fs.existsSync(linuxUpdateJsonPath)) {
-			fs.unlinkSync(linuxUpdateJsonPath);
-			dialog.showErrorBox(
-				'Error saving update notifications.',
-				'We encountered an error while saving the update notifications.'
-			);
-			logger.error('Error while JSON parsing updates.json: ');
-			logger.error(error);
+	getUpdateItem(key: string, defaultValue: any = null): any {
+		this.reloadDB();
+		const value = this.db.getData('/')[key];
+		if (value === undefined) {
+			this.setUpdateItem(key, defaultValue);
+			return defaultValue;
+		} else {
+			return value;
 		}
 	}
 
-	db = new JsonDB(linuxUpdateJsonPath, true, true);
+	setUpdateItem(key: string, value: any): void {
+		this.db.push(`/${key}`, value, true);
+		this.reloadDB();
+	}
+
+	removeUpdateItem(key: string): void {
+		this.db.delete(`/${key}`);
+		this.reloadDB();
+	}
+
+	reloadDB(): void {
+		const linuxUpdateJsonPath = path.join(app.getPath('userData'), '/config/updates.json');
+		try {
+			const file = fs.readFileSync(linuxUpdateJsonPath, 'utf8');
+			JSON.parse(file);
+		} catch (err) {
+			if (fs.existsSync(linuxUpdateJsonPath)) {
+				fs.unlinkSync(linuxUpdateJsonPath);
+				dialog.showErrorBox(
+					'Error saving update notifications.',
+					'We encountered an error while saving the update notifications.'
+				);
+				logger.error('Error while JSON parsing updates.json: ');
+				logger.error(err);
+			}
+		}
+		this.db = new JsonDB(linuxUpdateJsonPath, true, true);
+	}
 }
+
+export = new LinuxUpdateUtil();

app/renderer/js/utils/logger-util.ts

@@ -1,15 +1,19 @@
-import {Console} from 'console'; // eslint-disable-line node/prefer-global/console
-import electron from 'electron';
-import fs from 'fs';
-import os from 'os';
+import { Console as NodeConsole } from 'console'; // eslint-disable-line node/prefer-global/console
+import { initSetUp } from './default-util';
+import { sentryInit, captureException } from './sentry-util';
 
-import isDev from 'electron-is-dev';
-
-import {initSetUp} from './default-util';
-import {sentryInit, captureException} from './sentry-util';
+import fs = require('fs');
+import os = require('os');
+import isDev = require('electron-is-dev');
+import electron = require('electron');
+// this interface adds [key: string]: any so
+// we can do console[type] later on in the code
+interface PatchedConsole extends Console {
+	[key: string]: any;
+}
 
 interface LoggerOptions {
-	timestamp?: true | (() => string);
+	timestamp?: any;
 	file?: string;
 	level?: boolean;
 	logInDevMode?: boolean;
@@ -25,9 +29,9 @@ if (process.type === 'renderer') {
 	// Report Errors to Sentry only if it is enabled in settings
 	// Gets the value of reportErrors from config-util for renderer process
 	// For main process, sentryInit() is handled in index.js
-	const {ipcRenderer} = electron;
+	const { ipcRenderer } = electron;
 	ipcRenderer.send('error-reporting');
-	ipcRenderer.on('error-reporting-val', (_event: Event, errorReporting: boolean) => {
+	ipcRenderer.on('error-reporting-val', (_event: any, errorReporting: boolean) => {
 		reportErrors = errorReporting;
 		if (reportErrors) {
 			sentryInit();
@@ -37,31 +41,23 @@ if (process.type === 'renderer') {
 	app = electron.app;
 }
 
+const browserConsole: PatchedConsole = console;
 const logDir = `${app.getPath('userData')}/Logs`;
 
-type Level = 'log' | 'debug' | 'info' | 'warn' | 'error';
-const levels: Level[] = ['log', 'debug', 'info', 'warn', 'error'];
-type LogMethod = (...args: unknown[]) => void;
-
-export default class Logger {
-	log: LogMethod;
-	debug: LogMethod;
-	info: LogMethod;
-	warn: LogMethod;
-	error: LogMethod;
-
-	nodeConsole: Console;
-	timestamp?: () => string;
+class Logger {
+	nodeConsole: PatchedConsole;
+	timestamp: any; // TODO: TypeScript - Figure out how to make this work with string | Function.
 	level: boolean;
 	logInDevMode: boolean;
+	[key: string]: any;
 
-	constructor(options: LoggerOptions = {}) {
+	constructor(opts: LoggerOptions = {}) {
 		let {
 			timestamp = true,
 			file = 'console.log',
 			level = true,
 			logInDevMode = false
-		} = options;
+		} = opts;
 
 		file = `${logDir}/${file}`;
 		if (timestamp === true) {
@@ -75,8 +71,8 @@ export default class Logger {
 			process.nextTick(() => this.trimLog(file));
 		}
 
-		const fileStream = fs.createWriteStream(file, {flags: 'a'});
-		const nodeConsole = new Console(fileStream);
+		const fileStream = fs.createWriteStream(file, { flags: 'a' });
+		const nodeConsole = new NodeConsole(fileStream);
 
 		this.nodeConsole = nodeConsole;
 		this.timestamp = timestamp;
@@ -85,38 +81,42 @@ export default class Logger {
 		this.setUpConsole();
 	}
 
-	_log(type: Level, ...args: unknown[]): void {
+	_log(type: string, ...args: any[]): void {
 		const {
 			nodeConsole, timestamp, level, logInDevMode
 		} = this;
+		let nodeConsoleLog;
 
+		/* eslint-disable no-fallthrough */
 		switch (true) {
 			case typeof timestamp === 'function':
 				args.unshift(timestamp() + ' |\t');
-				// Fall through
 
-			case (level):
+			case (level !== false):
 				args.unshift(type.toUpperCase() + ' |');
-				// Fall through
 
 			case isDev || logInDevMode:
-				nodeConsole[type](...args);
-				break;
+				nodeConsoleLog = nodeConsole[type] || nodeConsole.log;
+				nodeConsoleLog.apply(null, args); // eslint-disable-line prefer-spread
 
-			default:
+			default: break;
 		}
+		/* eslint-enable no-fallthrough */
 
-		console[type](...args);
+		browserConsole[type].apply(null, args);
 	}
 
 	setUpConsole(): void {
-		for (const type of levels) {
+		for (const type in browserConsole) {
 			this.setupConsoleMethod(type);
 		}
 	}
 
-	setupConsoleMethod(type: Level): void {
-		this[type] = (...args: unknown[]) => this._log(type, ...args);
+	setupConsoleMethod(type: string): void {
+		this[type] = (...args: any[]) => {
+			const log = this._log.bind(this, type, ...args);
+			log();
+		};
 	}
 
 	getTimestamp(): string {
@@ -127,7 +127,7 @@ export default class Logger {
 		return timestamp;
 	}
 
-	reportSentry(err: unknown): void {
+	reportSentry(err: string): void {
 		if (reportErrors) {
 			captureException(err);
 		}
@@ -138,7 +138,6 @@ export default class Logger {
 			if (err) {
 				throw err;
 			}
-
 			const MAX_LOG_FILE_LINES = 500;
 			const logs = data.split(os.EOL);
 			const logLength = logs.length - 1;
@@ -152,3 +151,5 @@ export default class Logger {
 		});
 	}
 }
+
+export = Logger;

app/renderer/js/utils/params-util.ts

@@ -0,0 +1,11 @@
+// This util function returns the page params if they're present else returns null
+export function isPageParams(): null | object {
+	let webpageParams = null;
+	try {
+		// eslint-disable-next-line no-undef, @typescript-eslint/camelcase
+		webpageParams = page_params;
+	} catch (_) {
+		webpageParams = null;
+	}
+	return webpageParams;
+}

app/renderer/js/utils/proxy-util.ts

@@ -1,83 +1,142 @@
-import * as ConfigUtil from './config-util';
+'use strict';
 
-export interface ProxyRule {
+import url = require('url');
+
+import ConfigUtil = require('./config-util');
+
+let instance: null | ProxyUtil = null;
+
+interface ProxyRule {
 	hostname?: string;
 	port?: number;
 }
 
-// TODO: Refactor to async function
-export async function resolveSystemProxy(mainWindow: Electron.BrowserWindow): Promise<void> {
-	const page = mainWindow.webContents;
-	const ses = page.session;
-	const resolveProxyUrl = 'www.example.com';
-
-	// Check HTTP Proxy
-	const httpProxy = (async () => {
-		const proxy = await ses.resolveProxy('http://' + resolveProxyUrl);
-		let httpString = '';
-		if (proxy !== 'DIRECT') {
-			// In case of proxy HTTPS url:port, windows gives first word as HTTPS while linux gives PROXY
-			// for all other HTTP or direct url:port both uses PROXY
-			if (proxy.includes('PROXY') || proxy.includes('HTTPS')) {
-				httpString = 'http=' + proxy.split('PROXY')[1] + ';';
-			}
+class ProxyUtil {
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
 		}
 
-		return httpString;
-	})();
-	// Check HTTPS Proxy
-	const httpsProxy = (async () => {
-		const proxy = await ses.resolveProxy('https://' + resolveProxyUrl);
-		let httpsString = '';
-		if (proxy !== 'DIRECT' || proxy.includes('HTTPS')) {
-			// In case of proxy HTTPS url:port, windows gives first word as HTTPS while linux gives PROXY
-			// for all other HTTP or direct url:port both uses PROXY
-			if (proxy.includes('PROXY') || proxy.includes('HTTPS')) {
-				httpsString += 'https=' + proxy.split('PROXY')[1] + ';';
-			}
+		return instance;
+	}
+
+	// Return proxy to be used for a particular uri, to be used for request
+	getProxy(_uri: string): ProxyRule | void {
+		const parsedUri = url.parse(_uri);
+		if (parsedUri === null) {
+			return;
 		}
 
-		return httpsString;
-	})();
-
-	// Check FTP Proxy
-	const ftpProxy = (async () => {
-		const proxy = await ses.resolveProxy('ftp://' + resolveProxyUrl);
-		let ftpString = '';
-		if (proxy !== 'DIRECT') {
-			if (proxy.includes('PROXY')) {
-				ftpString += 'ftp=' + proxy.split('PROXY')[1] + ';';
-			}
+		const uri = parsedUri;
+		const proxyRules = ConfigUtil.getConfigItem('proxyRules', '').split(';');
+		// If SPS is on and system uses no proxy then request should not try to use proxy from
+		// environment. NO_PROXY = '*' makes request ignore all environment proxy variables.
+		if (proxyRules[0] === '') {
+			process.env.NO_PROXY = '*';
+			return;
 		}
 
-		return ftpString;
-	})();
-
-	// Check SOCKS Proxy
-	const socksProxy = (async () => {
-		const proxy = await ses.resolveProxy('socks4://' + resolveProxyUrl);
-		let socksString = '';
-		if (proxy !== 'DIRECT') {
-			if (proxy.includes('SOCKS5')) {
-				socksString += 'socks=' + proxy.split('SOCKS5')[1] + ';';
-			} else if (proxy.includes('SOCKS4')) {
-				socksString += 'socks=' + proxy.split('SOCKS4')[1] + ';';
-			} else if (proxy.includes('PROXY')) {
-				socksString += 'socks=' + proxy.split('PROXY')[1] + ';';
-			}
+		const proxyRule: any = {};
+		if (uri.protocol === 'http:') {
+			proxyRules.forEach((proxy: string) => {
+				if (proxy.includes('http=')) {
+					proxyRule.hostname = proxy.split('http=')[1].trim().split(':')[0];
+					proxyRule.port = proxy.split('http=')[1].trim().split(':')[1];
+				}
+			});
+			return proxyRule;
 		}
 
-		return socksString;
-	})();
+		if (uri.protocol === 'https:') {
+			proxyRules.forEach((proxy: string) => {
+				if (proxy.includes('https=')) {
+					proxyRule.hostname = proxy.split('https=')[1].trim().split(':')[0];
+					proxyRule.port = proxy.split('https=')[1].trim().split(':')[1];
+				}
+			});
+			return proxyRule;
+		}
+	}
 
-	const values = await Promise.all([httpProxy, httpsProxy, ftpProxy, socksProxy]);
-	let proxyString = '';
-	values.forEach(proxy => {
-		proxyString += proxy;
-	});
-	ConfigUtil.setConfigItem('systemProxyRules', proxyString);
-	const useSystemProxy = ConfigUtil.getConfigItem('useSystemProxy');
-	if (useSystemProxy) {
-		ConfigUtil.setConfigItem('proxyRules', proxyString);
+	// TODO: Refactor to async function
+	resolveSystemProxy(mainWindow: Electron.BrowserWindow): void {
+		const page = mainWindow.webContents;
+		const ses = page.session;
+		const resolveProxyUrl = 'www.example.com';
+
+		// Check HTTP Proxy
+		const httpProxy = new Promise(resolve => {
+			ses.resolveProxy('http://' + resolveProxyUrl, (proxy: string) => {
+				let httpString = '';
+				if (proxy !== 'DIRECT') {
+					// in case of proxy HTTPS url:port, windows gives first word as HTTPS while linux gives PROXY
+					// for all other HTTP or direct url:port both uses PROXY
+					if (proxy.includes('PROXY') || proxy.includes('HTTPS')) {
+						httpString = 'http=' + proxy.split('PROXY')[1] + ';';
+					}
+				}
+				resolve(httpString);
+			});
+		});
+		// Check HTTPS Proxy
+		const httpsProxy = new Promise(resolve => {
+			ses.resolveProxy('https://' + resolveProxyUrl, (proxy: string) => {
+				let httpsString = '';
+				if (proxy !== 'DIRECT' || proxy.includes('HTTPS')) {
+					// in case of proxy HTTPS url:port, windows gives first word as HTTPS while linux gives PROXY
+					// for all other HTTP or direct url:port both uses PROXY
+					if (proxy.includes('PROXY') || proxy.includes('HTTPS')) {
+						httpsString += 'https=' + proxy.split('PROXY')[1] + ';';
+					}
+				}
+				resolve(httpsString);
+			});
+		});
+
+		// Check FTP Proxy
+		const ftpProxy = new Promise(resolve => {
+			ses.resolveProxy('ftp://' + resolveProxyUrl, (proxy: string) => {
+				let ftpString = '';
+				if (proxy !== 'DIRECT') {
+					if (proxy.includes('PROXY')) {
+						ftpString += 'ftp=' + proxy.split('PROXY')[1] + ';';
+					}
+				}
+				resolve(ftpString);
+			});
+		});
+
+		// Check SOCKS Proxy
+		const socksProxy = new Promise(resolve => {
+			ses.resolveProxy('socks4://' + resolveProxyUrl, (proxy: string) => {
+				let socksString = '';
+				if (proxy !== 'DIRECT') {
+					if (proxy.includes('SOCKS5')) {
+						socksString += 'socks=' + proxy.split('SOCKS5')[1] + ';';
+					} else if (proxy.includes('SOCKS4')) {
+						socksString += 'socks=' + proxy.split('SOCKS4')[1] + ';';
+					} else if (proxy.includes('PROXY')) {
+						socksString += 'socks=' + proxy.split('PROXY')[1] + ';';
+					}
+				}
+				resolve(socksString);
+			});
+		});
+
+		Promise.all([httpProxy, httpsProxy, ftpProxy, socksProxy]).then(values => {
+			let proxyString = '';
+			values.forEach(proxy => {
+				proxyString += proxy;
+			});
+			ConfigUtil.setConfigItem('systemProxyRules', proxyString);
+			const useSystemProxy = ConfigUtil.getConfigItem('useSystemProxy');
+			if (useSystemProxy) {
+				ConfigUtil.setConfigItem('proxyRules', proxyString);
+			}
+		});
 	}
 }
+
+export = new ProxyUtil();

app/renderer/js/utils/reconnect-util.ts

@@ -1,23 +1,26 @@
-import {ipcRenderer} from 'electron';
+import { ipcRenderer } from 'electron';
 
-import backoff from 'backoff';
-
-import type WebView from '../components/webview';
-
-import Logger from './logger-util';
+import backoff = require('backoff');
+import request = require('request');
+import Logger = require('./logger-util');
+import RequestUtil = require('./request-util');
+import DomainUtil = require('./domain-util');
 
 const logger = new Logger({
-	file: 'domain-util.log',
+	file: `domain-util.log`,
 	timestamp: true
 });
 
-export default class ReconnectUtil {
-	webview: WebView;
+class ReconnectUtil {
+	// TODO: TypeScript - Figure out how to annotate webview
+	// it should be WebView; maybe make it a generic so we can
+	// pass the class from main.ts
+	webview: any;
 	url: string;
 	alreadyReloaded: boolean;
-	fibonacciBackoff: backoff.Backoff;
+	fibonacciBackoff: any;
 
-	constructor(webview: WebView) {
+	constructor(webview: any) {
 		this.webview = webview;
 		this.url = webview.props.url;
 		this.alreadyReloaded = false;
@@ -31,40 +34,69 @@ export default class ReconnectUtil {
 		});
 	}
 
-	async isOnline(): Promise<boolean> {
-		return ipcRenderer.invoke('is-online', this.url);
-	}
-
-	pollInternetAndReload(): void {
-		this.fibonacciBackoff.backoff();
-		this.fibonacciBackoff.on('ready', async () => {
-			if (await this._checkAndReload()) {
-				this.fibonacciBackoff.reset();
-			} else {
-				this.fibonacciBackoff.backoff();
+	isOnline(): Promise<boolean> {
+		return new Promise(resolve => {
+			try {
+				const ignoreCerts = DomainUtil.shouldIgnoreCerts(this.url);
+				if (ignoreCerts === null) {
+					return;
+				}
+				request(
+					{
+						url: `${this.url}/static/favicon.ico`,
+						...RequestUtil.requestOptions(this.url, ignoreCerts)
+					},
+					(error: Error, response: any) => {
+						const isValidResponse =
+							!error && response.statusCode >= 200 && response.statusCode < 400;
+						resolve(isValidResponse);
+					}
+				);
+			} catch (err) {
+				logger.log(err);
 			}
 		});
 	}
 
-	async _checkAndReload(): Promise<boolean> {
-		if (this.alreadyReloaded) {
-			return true;
-		}
+	pollInternetAndReload(): void {
+		this.fibonacciBackoff.backoff();
+		this.fibonacciBackoff.on('ready', () => {
+			this._checkAndReload().then(status => {
+				if (status) {
+					this.fibonacciBackoff.reset();
+				} else {
+					this.fibonacciBackoff.backoff();
+				}
+			});
+		});
+	}
 
-		if (await this.isOnline()) {
-			ipcRenderer.send('forward-message', 'reload-viewer');
-			logger.log('You\'re back online.');
-			return true;
-		}
+	// TODO: Make this a async function
+	_checkAndReload(): Promise<boolean> {
+		return new Promise(resolve => {
+			if (!this.alreadyReloaded) { // eslint-disable-line no-negated-condition
+				this.isOnline()
+					.then((online: boolean) => {
+						if (online) {
+							ipcRenderer.send('forward-message', 'reload-viewer');
+							logger.log('You\'re back online.');
+							return resolve(true);
+						}
 
-		logger.log('There is no internet connection, try checking network cables, modem and router.');
-		const errorMessageHolder = document.querySelector('#description');
-		if (errorMessageHolder) {
-			errorMessageHolder.innerHTML = `
-						<div>Your internet connection doesn't seem to work properly!</div>
-						<div>Verify that it works and then click try again.</div>`;
-		}
-
-		return false;
+						logger.log('There is no internet connection, try checking network cables, modem and router.');
+						const errMsgHolder = document.querySelector('#description');
+						if (errMsgHolder) {
+							errMsgHolder.innerHTML = `
+										<div>Your internet connection doesn't seem to work properly!</div>
+										<div>Verify that it works and then click try again.</div>`;
+						}
+						return resolve(false);
+					});
+			} else {
+				return resolve(true);
+			}
+		});
 	}
 }
+
+export = ReconnectUtil;

app/renderer/js/utils/request-util.ts

@@ -0,0 +1,87 @@
+import { remote } from 'electron';
+
+import fs = require('fs');
+import path = require('path');
+import ConfigUtil = require('./config-util');
+import Logger = require('./logger-util');
+import ProxyUtil = require('./proxy-util');
+import CertificateUtil = require('./certificate-util');
+import SystemUtil = require('./system-util');
+
+const { app } = remote;
+
+const logger = new Logger({
+	file: `request-util.log`,
+	timestamp: true
+});
+
+let instance: null | RequestUtil = null;
+
+// TODO: TypeScript - Use ProxyRule for the proxy property
+// we can do this now since we use export = ProxyUtil syntax
+interface RequestUtilResponse {
+	ca: string;
+	proxy: string | void | object;
+	ecdhCurve: 'auto';
+	headers: { 'User-Agent': string };
+	rejectUnauthorized: boolean;
+}
+
+class RequestUtil {
+	constructor() {
+		if (!instance) {
+			instance = this;
+		}
+
+		return instance;
+	}
+
+	// ignoreCerts parameter helps in fetching server icon and
+	// other server details when user chooses to ignore certificate warnings
+	requestOptions(domain: string, ignoreCerts: boolean): RequestUtilResponse {
+		domain = this.formatUrl(domain);
+		const certificate = CertificateUtil.getCertificate(
+			encodeURIComponent(domain)
+		);
+
+		let certificateFile = null;
+		if (certificate && certificate.includes('/')) {
+			// certificate saved using old app version
+			certificateFile = certificate;
+		} else if (certificate) {
+			certificateFile = path.join(`${app.getPath('userData')}/certificates`, certificate);
+		}
+
+		let certificateLocation = '';
+		if (certificate) {
+			// To handle case where certificate has been moved from the location in certificates.json
+			try {
+				certificateLocation = fs.readFileSync(certificateFile, 'utf8');
+			} catch (err) {
+				logger.warn(`Error while trying to get certificate: ${err}`);
+			}
+		}
+		const proxyEnabled = ConfigUtil.getConfigItem('useManualProxy') || ConfigUtil.getConfigItem('useSystemProxy');
+		// If certificate for the domain exists add it as a ca key in the request's parameter else consider only domain as the parameter for request
+		// Add proxy as a parameter if it is being used.
+		return {
+			ca: certificateLocation ? certificateLocation : '',
+			proxy: proxyEnabled ? ProxyUtil.getProxy(domain) : '',
+			ecdhCurve: 'auto',
+			headers: { 'User-Agent': SystemUtil.getUserAgent() },
+			rejectUnauthorized: !ignoreCerts
+		};
+	}
+
+	formatUrl(domain: string): string {
+		const hasPrefix = domain.startsWith('http', 0);
+		if (hasPrefix) {
+			return domain;
+		} else {
+			return domain.includes('localhost:') ? `http://${domain}` : `https://${domain}`;
+		}
+	}
+}
+
+const requestUtil = new RequestUtil();
+export = requestUtil;

app/renderer/js/utils/sentry-util.ts

@@ -1,17 +1,21 @@
-import {init} from '@sentry/electron';
-import isDev from 'electron-is-dev';
+import { init } from '@sentry/electron';
+
+import isDev = require('electron-is-dev');
+import path = require('path');
+import dotenv = require('dotenv');
+dotenv.config({ path: path.resolve(__dirname, '/../../../../.env') });
 
 export const sentryInit = (): void => {
 	if (!isDev) {
 		init({
-			dsn: 'https://628dc2f2864243a08ead72e63f94c7b1@sentry.io/204668',
+			dsn: process.env.SENTRY_DSN,
 			// We should ignore this error since it's harmless and we know the reason behind this
 			// This error mainly comes from the console logs.
 			// This is a temp solution until Sentry supports disabling the console logs
 			ignoreErrors: ['does not appear to be a valid Zulip server']
-			/// sendTimeout: 30 // wait 30 seconds before considering the sending capture to have failed, default is 1 second
+			// sendTimeout: 30 // wait 30 seconds before considering the sending capture to have failed, default is 1 second
 		});
 	}
 };
 
-export {captureException} from '@sentry/electron';
+export { captureException } from '@sentry/electron';

app/renderer/js/utils/system-util.ts

@@ -1,38 +1,64 @@
-import {ipcRenderer} from 'electron';
-import os from 'os';
+'use strict';
+import { remote } from 'electron';
 
-export const connectivityERR: string[] = [
-	'ERR_INTERNET_DISCONNECTED',
-	'ERR_PROXY_CONNECTION_FAILED',
-	'ERR_CONNECTION_RESET',
-	'ERR_NOT_CONNECTED',
-	'ERR_NAME_NOT_RESOLVED',
-	'ERR_NETWORK_CHANGED'
-];
+import os = require('os');
+import ConfigUtil = require('./config-util');
 
-const userAgent = ipcRenderer.sendSync('fetch-user-agent');
+const { app } = remote;
+let instance: null | SystemUtil = null;
 
-export function getOS(): string {
-	const platform = os.platform();
-	if (platform === 'darwin') {
-		return 'Mac';
-	}
+class SystemUtil {
+	connectivityERR: string[];
 
-	if (platform === 'linux') {
-		return 'Linux';
-	}
+	userAgent: string | null;
 
-	if (platform === 'win32') {
-		if (Number.parseFloat(os.release()) < 6.2) {
-			return 'Windows 7';
+	constructor() {
+		if (instance) {
+			return instance;
+		} else {
+			instance = this;
 		}
 
-		return 'Windows 10';
+		this.connectivityERR = [
+			'ERR_INTERNET_DISCONNECTED',
+			'ERR_PROXY_CONNECTION_FAILED',
+			'ERR_CONNECTION_RESET',
+			'ERR_NOT_CONNECTED',
+			'ERR_NAME_NOT_RESOLVED',
+			'ERR_NETWORK_CHANGED'
+		];
+		this.userAgent = null;
+
+		return instance;
 	}
 
-	return '';
+	getOS(): string {
+		const platform = os.platform();
+		if (platform === 'darwin') {
+			return 'Mac';
+		} else if (platform === 'linux') {
+			return 'Linux';
+		} else if (platform === 'win32') {
+			if (parseFloat(os.release()) < 6.2) {
+				return 'Windows 7';
+			} else {
+				return 'Windows 10';
+			}
+		} else {
+			return '';
+		}
+	}
+
+	setUserAgent(webViewUserAgent: string): void {
+		this.userAgent = `ZulipElectron/${app.getVersion()} ${webViewUserAgent}`;
+	}
+
+	getUserAgent(): string | null {
+		if (!this.userAgent) {
+			this.setUserAgent(ConfigUtil.getConfigItem('userAgent', null));
+		}
+		return this.userAgent;
+	}
 }
 
-export function getUserAgent(): string {
-	return userAgent;
-}
+export = new SystemUtil();

app/renderer/js/utils/translation-util.ts

@@ -1,18 +1,35 @@
-import path from 'path';
+'use strict';
 
-import i18n from 'i18n';
+import path = require('path');
+import electron = require('electron');
+import i18n = require('i18n');
 
-import * as ConfigUtil from './config-util';
+let instance: TranslationUtil = null;
+let app: Electron.App = null;
 
-i18n.configure({
-	directory: path.join(__dirname, '../../../translations/'),
-	updateFiles: false
-});
-
-/* Fetches the current appLocale from settings.json */
-const appLocale = ConfigUtil.getConfigItem('appLanguage');
-
-/* If no locale present in the json, en is set default */
-export function __(phrase: string): string {
-	return i18n.__({phrase, locale: appLocale ? appLocale : 'en'});
+/* To make the util runnable in both main and renderer process */
+if (process.type === 'renderer') {
+	app = electron.remote.app;
+} else {
+	app = electron.app;
 }
+
+class TranslationUtil {
+	constructor() {
+		if (instance) {
+			return this;
+		}
+
+		instance = this;
+		i18n.configure({
+			directory: path.join(__dirname, '../../../translations/'),
+			register: this
+		});
+	}
+
+	__(phrase: string): string {
+		return i18n.__({ phrase, locale: app.getLocale() ? app.getLocale() : 'en' });
+	}
+}
+
+export = new TranslationUtil();

app/renderer/main.html

@@ -52,7 +52,7 @@
         </div>
 
         <div id="feedback-modal">
-            <send-feedback show-cancel-button="show"></send-feedback>
+            <send-feedback></send-feedback>
         </div>
     </body>
     

app/renderer/network.html

@@ -23,4 +23,7 @@
             </div>
         </div>
     </body>
+    <script>var exports = {};</script>
+    <script src="js/preload.js"></script>
+    <script>require('./js/shared/preventdrag.js')</script>
 </html>

app/renderer/preference.html

@@ -5,7 +5,6 @@
         <meta name="viewport" content="width=device-width">
         <title>Zulip - Settings</title>
         <link rel="stylesheet" href="css/preference.css" type="text/css" media="screen">
-        <link id="tagify-css" rel="stylesheet" href="data:text/css,">
     </head>
     <body>
         <div id="content">
@@ -14,7 +13,6 @@
         </div>
     </body>
     <script>
-        document.querySelector('#tagify-css').href = require.resolve('@yaireo/tagify/dist/tagify.css');
         require('./js/pages/preference/preference.js');
         require('./js/shared/preventdrag.js')
     </script>

app/resources/messages.ts

@@ -3,45 +3,50 @@ interface DialogBoxError {
 	content: string;
 }
 
-export function invalidZulipServerError(domain: string): string {
-	return `${domain} does not appear to be a valid Zulip server. Make sure that
-		\n • You can connect to that URL in a web browser.\
-		\n • If you need a proxy to connect to the Internet, that you've configured your proxy in the Network settings.\
-		\n • It's a Zulip server. (The oldest supported version is 1.6).\
-		\n • The server has a valid certificate. (You can add custom certificates in Settings > Organizations). \
-		\n • The SSL is correctly configured for the certificate. Check out the SSL troubleshooting guide -
-		\n https://zulip.readthedocs.io/en/stable/production/ssl-certificates.html`;
-}
-
-export function noOrgsError(domain: string): string {
-	return `${domain} does not have any organizations added.\
-	\nPlease contact your server administrator.`;
-}
-
-export function certErrorMessage(domain: string, error: string): string {
-	return `Certificate error for ${domain}\n${error}`;
-}
-
-export function certErrorDetail(): string {
-	return `The organization you're connecting to is either someone impersonating the Zulip server you entered, or the server you're trying to connect to is configured in an insecure way.
-	\nIf you have a valid certificate please add it from Settings>Organizations and try to add the organization again.`;
-}
-
-export function enterpriseOrgError(length: number, domains: string[]): DialogBoxError {
-	let domainList = '';
-	for (const domain of domains) {
-		domainList += `• ${domain}\n`;
+class Messages {
+	invalidZulipServerError(domain: string): string {
+		return `${domain} does not appear to be a valid Zulip server. Make sure that
+			\n • You can connect to that URL in a web browser.\
+			\n • If you need a proxy to connect to the Internet, that you've configured your proxy in the Network settings.\
+			\n • It's a Zulip server. (The oldest supported version is 1.6).\
+			\n • The server has a valid certificate. (You can add custom certificates in Settings > Organizations). \
+			\n • The SSL is correctly configured for the certificate. Check out the SSL troubleshooting guide -
+			\n https://zulip.readthedocs.io/en/stable/production/ssl-certificates.html`;
 	}
 
-	return {
-		title: `Could not add the following ${length === 1 ? 'organization' : 'organizations'}`,
-		content: `${domainList}\nPlease contact your system administrator.`
-	};
+	noOrgsError(domain: string): string {
+		return `${domain} does not have any organizations added.\
+		\nPlease contact your server administrator.`;
+	}
+
+	certErrorMessage(domain: string, error: string): string {
+		return `Do you trust certificate from ${domain}? \n ${error}`;
+	}
+
+	certErrorDetail(): string {
+		return `The organization you're connecting to is either someone impersonating the Zulip server you entered, or the server you're trying to connect to is configured in an insecure way.
+		\nIf you have a valid certificate please add it from Settings>Organizations and try to add the organization again.
+		\nUnless you have a good reason to believe otherwise, you should not proceed.
+		\nYou can click here if you'd like to proceed with the connection.`;
+	}
+
+	enterpriseOrgError(length: number, domains: string[]): DialogBoxError {
+		let domainList = '';
+		for (const domain of domains) {
+			domainList += `• ${domain}\n`;
+		}
+		return {
+			title: `Could not add the following ${length === 1 ? `organization` : `organizations`}`,
+			content: `${domainList}\nPlease contact your system administrator.`
+		};
+	}
+
+	orgRemovalError(url: string): DialogBoxError {
+		return {
+			title: `Removing ${url} is a restricted operation.`,
+			content: `Please contact your system administrator.`
+		};
+	}
 }
 
-export function orgRemovalError(url: string): DialogBoxError {
-	return {
-		title: `Removing ${url} is a restricted operation.`,
-		content: 'Please contact your system administrator.'
-	};
-}
+export = new Messages();

app/translations/ar.json

@@ -1,134 +0,0 @@
-{
-	"About Zulip": "حول \"زوليب\"",
-	"Actual Size": "الحجم الفعلي",
-	"Add Custom Certificates": "إضافة رخصة معدلة",
-	"Add Organization": "إضافة منظمة",
-	"Add a Zulip organization": "إضافة منظمة \"زوليب\"",
-	"Add custom CSS": "إصافة CSS معدلة",
-	"Advanced": "متقدم",
-	"All the connected organizations will appear here": "جميع المنظمات المتصلة تعرض هنا",
-	"Always start minimized": "دائماً إبدأ بالقليل",
-	"App Updates": "تحديث التطبيق",
-	"Appearance": "المظهر",
-	"Application Shortcuts": "إختصارات التطبيق",
-	"Are you sure you want to disconnect this organization?": "هل أنت متأكد من فصل هذة المنظمة؟",
-	"Auto hide Menu bar": "أخف القائمة تلقائياً",
-	"Auto hide menu bar (Press Alt key to display)": "أخف القائمة تلقائياً (إضغط Alt لعرض القائمة)",
-	"Back": "رجوع",
-	"Bounce dock on new private message": "أخرج المنصة في حال رسالة خاصة جديدة",
-	"Certificate file": "ملف الشهادة",
-	"Change": "تغيير",
-	"Check for Updates": "التحقق من التحديثات",
-	"Close": "اغلاق",
-	"Connect": "اتصال",
-	"Connect to another organization": "التوصيل مع منظمة أخرى",
-	"Connected organizations": "المنظمات المتصلة",
-	"Copy": "نسخ",
-	"Copy Zulip URL": "نسخ رابط زوليب",
-	"Create a new organization": "Create a new organization",
-	"Cut": "قص",
-	"Default download location": "موقع التحميل الافتراضي",
-	"Delete": "حذف",
-	"Desktop App Settings": "إعدادت تطبيق سطح المكتب",
-	"Desktop Notifications": "إشعارات سطح المكتب",
-	"Desktop Settings": "إعدادات سطح المكتب",
-	"Disconnect": "قطع الاتصال",
-	"Download App Logs": "تنزيل سجلات التطبيق",
-	"Edit": "تعديل",
-	"Edit Shortcuts": "تعديل الاختصارات",
-	"Enable auto updates": "تفعيل التحديثات التلقائية",
-	"Enable error reporting (requires restart)": "تفعيل تقارير الأخطاء (يتطلب إعادة التشغيل)",
-	"Enable spellchecker (requires restart)": "Enable spellchecker (requires restart)",
-	"Factory Reset": "إعادة ضبط المصنع",
-	"File": "ملف",
-	"Find accounts": "Find accounts",
-	"Find accounts by email": "Find accounts by email",
-	"Flash taskbar on new message": "Flash taskbar on new message",
-	"Forward": "Forward",
-	"Functionality": "Functionality",
-	"General": "General",
-	"Get beta updates": "Get beta updates",
-	"Hard Reload": "Hard Reload",
-	"Help": "Help",
-	"Help Center": "Help Center",
-	"History": "History",
-	"History Shortcuts": "History Shortcuts",
-	"Keyboard Shortcuts": "Keyboard Shortcuts",
-	"Log Out": "Log Out",
-	"Log Out of Organization": "Log Out of Organization",
-	"Manual proxy configuration": "Manual proxy configuration",
-	"Minimize": "Minimize",
-	"Mute all sounds from Zulip": "Mute all sounds from Zulip",
-	"NO": "NO",
-	"Network": "Network",
-	"OR": "OR",
-	"Organization URL": "Organization URL",
-	"Organizations": "Organizations",
-	"Paste": "Paste",
-	"Paste and Match Style": "Paste and Match Style",
-	"Proxy": "Proxy",
-	"Proxy bypass rules": "Proxy bypass rules",
-	"Proxy rules": "Proxy rules",
-	"Quit": "Quit",
-	"Quit Zulip": "Quit Zulip",
-	"Redo": "Redo",
-	"Release Notes": "Release Notes",
-	"Reload": "Reload",
-	"Report an Issue": "Report an Issue",
-	"Save": "Save",
-	"Select All": "Select All",
-	"Settings": "Settings",
-	"Shortcuts": "Shortcuts",
-	"Show App Logs": "Show App Logs",
-	"Show app icon in system tray": "Show app icon in system tray",
-	"Show app unread badge": "Show app unread badge",
-	"Show desktop notifications": "Show desktop notifications",
-	"Show downloaded files in file manager": "Show downloaded files in file manager",
-	"Show sidebar": "Show sidebar",
-	"Start app at login": "Start app at login",
-	"Switch to Next Organization": "Switch to Next Organization",
-	"Switch to Previous Organization": "Switch to Previous Organization",
-	"These desktop app shortcuts extend the Zulip webapp's": "These desktop app shortcuts extend the Zulip webapp's",
-	"This will delete all application data including all added accounts and preferences": "This will delete all application data including all added accounts and preferences",
-	"Tip": "Tip",
-	"Toggle DevTools for Active Tab": "Toggle DevTools for Active Tab",
-	"Toggle DevTools for Zulip App": "Toggle DevTools for Zulip App",
-	"Toggle Do Not Disturb": "Toggle Do Not Disturb",
-	"Toggle Full Screen": "Toggle Full Screen",
-	"Toggle Sidebar": "Toggle Sidebar",
-	"Toggle Tray Icon": "Toggle Tray Icon",
-	"Tools": "Tools",
-	"Undo": "Undo",
-	"Upload": "Upload",
-	"Use system proxy settings (requires restart)": "Use system proxy settings (requires restart)",
-	"View": "View",
-	"View Shortcuts": "View Shortcuts",
-	"Window": "Window",
-	"Window Shortcuts": "Window Shortcuts",
-	"YES": "YES",
-	"Zoom In": "Zoom In",
-	"Zoom Out": "Zoom Out",
-	"Zulip Help": "Zulip Help",
-	"keyboard shortcuts": "keyboard shortcuts",
-	"script": "script",
-	"Quit when the window is closed": "Quit when the window is closed",
-	"Ask where to save files before downloading": "Ask where to save files before downloading",
-	"Services": "Services",
-	"Hide": "Hide",
-	"Hide Others": "Hide Others",
-	"Unhide": "Unhide",
-	"AddServer": "AddServer",
-	"App language (requires restart)": "App language (requires restart)",
-	"Factory Reset Data": "Factory Reset Data",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Reset the application, thus deleting all the connected organizations, accounts, and certificates.",
-	"On macOS, the OS spellchecker is used.": "On macOS, the OS spellchecker is used.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Change the language from System Preferences → Keyboard → Text → Spelling.",
-	"Copy Link": "Copy Link",
-	"Copy Image": "Copy Image",
-	"Copy Image URL": "Copy Image URL",
-	"No Suggestion Found": "No Suggestion Found",
-	"You can select a maximum of 3 languages for spellchecking.": "You can select a maximum of 3 languages for spellchecking.",
-	"Spellchecker Languages": "Spellchecker Languages",
-	"Add to Dictionary": "Add to Dictionary",
-	"Look Up": "Look Up"
-}

app/translations/bg.json

@@ -1,5 +1,5 @@
 {
-	"About Zulip": "Относно Zulip",
+	"About Zulip": "За Zulip",
 	"Actual Size": "Действителен размер",
 	"Add Custom Certificates": "Добавяне на персонализирани сертификати",
 	"Add Organization": "Добавяне на организация",
@@ -75,6 +75,9 @@
 	"Release Notes": "Бележки към изданието",
 	"Reload": "Презареди",
 	"Report an Issue": "Подаване на сигнал за проблем",
+	"Reset App Data": "Нулиране на данни за приложения",
+	"Reset App Settings": "Нулиране на настройките на приложението",
+	"Reset Application Data": "Нулиране на данните на приложението",
 	"Save": "Запази",
 	"Select All": "Избери всички",
 	"Settings": "Настройки",
@@ -110,25 +113,5 @@
 	"Zoom Out": "Отдалечавам",
 	"Zulip Help": "Помощ за Zulip",
 	"keyboard shortcuts": "комбинация от клавиши",
-	"script": "писменост",
-	"Quit when the window is closed": "Quit when the window is closed",
-	"Ask where to save files before downloading": "Ask where to save files before downloading",
-	"Services": "Services",
-	"Hide": "Hide",
-	"Hide Others": "Hide Others",
-	"Unhide": "Unhide",
-	"AddServer": "AddServer",
-	"App language (requires restart)": "App language (requires restart)",
-	"Factory Reset Data": "Factory Reset Data",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Reset the application, thus deleting all the connected organizations, accounts, and certificates.",
-	"On macOS, the OS spellchecker is used.": "On macOS, the OS spellchecker is used.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Change the language from System Preferences → Keyboard → Text → Spelling.",
-	"Copy Link": "Copy Link",
-	"Copy Image": "Copy Image",
-	"Copy Image URL": "Copy Image URL",
-	"No Suggestion Found": "No Suggestion Found",
-	"You can select a maximum of 3 languages for spellchecking.": "You can select a maximum of 3 languages for spellchecking.",
-	"Spellchecker Languages": "Spellchecker Languages",
-	"Add to Dictionary": "Add to Dictionary",
-	"Look Up": "Look Up"
+	"script": "писменост"
 }

app/translations/ca.json

@@ -1,134 +0,0 @@
-{
-	"About Zulip": "Quant a Zulip",
-	"Actual Size": "Actual Size",
-	"Add Custom Certificates": "Add Custom Certificates",
-	"Add Organization": "Add Organization",
-	"Add a Zulip organization": "Add a Zulip organization",
-	"Add custom CSS": "Add custom CSS",
-	"Advanced": "Advanced",
-	"All the connected organizations will appear here": "All the connected organizations will appear here",
-	"Always start minimized": "Always start minimized",
-	"App Updates": "App Updates",
-	"Appearance": "Appearance",
-	"Application Shortcuts": "Application Shortcuts",
-	"Are you sure you want to disconnect this organization?": "Are you sure you want to disconnect this organization?",
-	"Auto hide Menu bar": "Auto hide Menu bar",
-	"Auto hide menu bar (Press Alt key to display)": "Auto hide menu bar (Press Alt key to display)",
-	"Back": "Back",
-	"Bounce dock on new private message": "Bounce dock on new private message",
-	"Certificate file": "Certificate file",
-	"Change": "Change",
-	"Check for Updates": "Check for Updates",
-	"Close": "Tancar",
-	"Connect": "Connect",
-	"Connect to another organization": "Connect to another organization",
-	"Connected organizations": "Connected organizations",
-	"Copy": "Copia",
-	"Copy Zulip URL": "Copy Zulip URL",
-	"Create a new organization": "Crea una nova organització",
-	"Cut": "Cut",
-	"Default download location": "Default download location",
-	"Delete": "Elimina",
-	"Desktop App Settings": "Configuració de l'aplicació d'escriptori",
-	"Desktop Notifications": "Desktop Notifications",
-	"Desktop Settings": "Configuració d'escriptori",
-	"Disconnect": "Disconnect",
-	"Download App Logs": "Download App Logs",
-	"Edit": "Edita",
-	"Edit Shortcuts": "Edit Shortcuts",
-	"Enable auto updates": "Enable auto updates",
-	"Enable error reporting (requires restart)": "Enable error reporting (requires restart)",
-	"Enable spellchecker (requires restart)": "Enable spellchecker (requires restart)",
-	"Factory Reset": "Factory Reset",
-	"File": "Fitxer",
-	"Find accounts": "Find accounts",
-	"Find accounts by email": "Find accounts by email",
-	"Flash taskbar on new message": "Flash taskbar on new message",
-	"Forward": "Forward",
-	"Functionality": "Functionality",
-	"General": "General",
-	"Get beta updates": "Get beta updates",
-	"Hard Reload": "Hard Reload",
-	"Help": "Help",
-	"Help Center": "Centre d'ajuda",
-	"History": "Historial",
-	"History Shortcuts": "Dreceres d'historial",
-	"Keyboard Shortcuts": "Keyboard Shortcuts",
-	"Log Out": "Log Out",
-	"Log Out of Organization": "Log Out of Organization",
-	"Manual proxy configuration": "Manual proxy configuration",
-	"Minimize": "Minimize",
-	"Mute all sounds from Zulip": "Silencia tots els sons de Zulip",
-	"NO": "NO",
-	"Network": "Network",
-	"OR": "OR",
-	"Organization URL": "URL d'organització",
-	"Organizations": "Organizations",
-	"Paste": "Paste",
-	"Paste and Match Style": "Paste and Match Style",
-	"Proxy": "Proxy",
-	"Proxy bypass rules": "Proxy bypass rules",
-	"Proxy rules": "Proxy rules",
-	"Quit": "Quit",
-	"Quit Zulip": "Quit Zulip",
-	"Redo": "Redo",
-	"Release Notes": "Release Notes",
-	"Reload": "Reload",
-	"Report an Issue": "Report an Issue",
-	"Save": "Guardar",
-	"Select All": "Select All",
-	"Settings": "Configuració",
-	"Shortcuts": "Shortcuts",
-	"Show App Logs": "Show App Logs",
-	"Show app icon in system tray": "Show app icon in system tray",
-	"Show app unread badge": "Mostrar una marca en la icona si hi ha missatges no llegits",
-	"Show desktop notifications": "Show desktop notifications",
-	"Show downloaded files in file manager": "Show downloaded files in file manager",
-	"Show sidebar": "Show sidebar",
-	"Start app at login": "Start app at login",
-	"Switch to Next Organization": "Switch to Next Organization",
-	"Switch to Previous Organization": "Switch to Previous Organization",
-	"These desktop app shortcuts extend the Zulip webapp's": "These desktop app shortcuts extend the Zulip webapp's",
-	"This will delete all application data including all added accounts and preferences": "This will delete all application data including all added accounts and preferences",
-	"Tip": "Tip",
-	"Toggle DevTools for Active Tab": "Toggle DevTools for Active Tab",
-	"Toggle DevTools for Zulip App": "Toggle DevTools for Zulip App",
-	"Toggle Do Not Disturb": "Toggle Do Not Disturb",
-	"Toggle Full Screen": "Toggle Full Screen",
-	"Toggle Sidebar": "Toggle Sidebar",
-	"Toggle Tray Icon": "Toggle Tray Icon",
-	"Tools": "Tools",
-	"Undo": "Undo",
-	"Upload": "Pujada",
-	"Use system proxy settings (requires restart)": "Use system proxy settings (requires restart)",
-	"View": "View",
-	"View Shortcuts": "View Shortcuts",
-	"Window": "Window",
-	"Window Shortcuts": "Window Shortcuts",
-	"YES": "YES",
-	"Zoom In": "Zoom In",
-	"Zoom Out": "Zoom Out",
-	"Zulip Help": "Zulip Help",
-	"keyboard shortcuts": "keyboard shortcuts",
-	"script": "script",
-	"Quit when the window is closed": "Quit when the window is closed",
-	"Ask where to save files before downloading": "Ask where to save files before downloading",
-	"Services": "Services",
-	"Hide": "Hide",
-	"Hide Others": "Hide Others",
-	"Unhide": "Unhide",
-	"AddServer": "AddServer",
-	"App language (requires restart)": "App language (requires restart)",
-	"Factory Reset Data": "Factory Reset Data",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Reset the application, thus deleting all the connected organizations, accounts, and certificates.",
-	"On macOS, the OS spellchecker is used.": "On macOS, the OS spellchecker is used.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Change the language from System Preferences → Keyboard → Text → Spelling.",
-	"Copy Link": "Copy Link",
-	"Copy Image": "Copy Image",
-	"Copy Image URL": "Copy Image URL",
-	"No Suggestion Found": "No Suggestion Found",
-	"You can select a maximum of 3 languages for spellchecking.": "You can select a maximum of 3 languages for spellchecking.",
-	"Spellchecker Languages": "Spellchecker Languages",
-	"Add to Dictionary": "Add to Dictionary",
-	"Look Up": "Look Up"
-}

app/translations/cs.json

@@ -1,134 +1,117 @@
 {
-	"About Zulip": "O Zulipu",
-	"Actual Size": "Skutečná velikost",
+	"About Zulip": "O uživateli Zulip",
+	"Actual Size": "Aktuální velikost",
 	"Add Custom Certificates": "Přidat vlastní certifikáty",
 	"Add Organization": "Přidat organizaci",
-	"Add a Zulip organization": "Přidat organizaci Zulip",
+	"Add a Zulip organization": "Přidejte organizaci Zulip",
 	"Add custom CSS": "Přidat vlastní CSS",
-	"Advanced": "Rozšířené",
-	"All the connected organizations will appear here": "Všechny připojené organizace se objeví zde",
-	"Always start minimized": "Vždy spouštět minimalizované",
-	"App Updates": "Aktualizace aplikace",
+	"Advanced": "Pokročilý",
+	"All the connected organizations will appear here": "Zde se zobrazí všechny připojené organizace",
+	"Always start minimized": "Vždy začněte minimalizovat",
+	"App Updates": "Aktualizace aplikací",
 	"Appearance": "Vzhled",
-	"Application Shortcuts": "Zkratky programu",
-	"Are you sure you want to disconnect this organization?": "Opravdu chcete odpojit tuto organizaci?",
-	"Auto hide Menu bar": "Automaticky skrývat menu",
-	"Auto hide menu bar (Press Alt key to display)": "Automaticky skrývat menu (pro zobrazení stiskněte klávesu Alt)",
-	"Back": "Zpět",
-	"Bounce dock on new private message": "Poskakování ikony v docku po obdržení nové soukromé zprávy",
-	"Certificate file": "Soubor s certifikátem",
-	"Change": "Změnit",
-	"Check for Updates": "Zkontrolovat aktualizace",
+	"Application Shortcuts": "Zkratky aplikací",
+	"Are you sure you want to disconnect this organization?": "Opravdu chcete tuto organizaci odpojit?",
+	"Auto hide Menu bar": "Auto hide Menu bar",
+	"Auto hide menu bar (Press Alt key to display)": "Automaticky skrýt lištu menu (stiskněte klávesu Alt pro zobrazení)",
+	"Back": "Zadní",
+	"Bounce dock on new private message": "Bounce dock na nové soukromé zprávy",
+	"Certificate file": "Soubor certifikátu",
+	"Change": "Změna",
+	"Check for Updates": "Kontrola aktualizací",
 	"Close": "Zavřít",
-	"Connect": "Připojit se",
-	"Connect to another organization": "Připojit se k jiné organizaci",
+	"Connect": "Připojit",
+	"Connect to another organization": "Připojte se k jiné organizaci",
 	"Connected organizations": "Připojené organizace",
-	"Copy": "Kopírovat",
-	"Copy Zulip URL": "Kopírovat adresu (URL) Zulipu",
+	"Copy": "kopírovat",
+	"Copy Zulip URL": "Kopírovat adresu URL aplikace Zulip",
 	"Create a new organization": "Vytvořit novou organizaci",
-	"Cut": "Vyjmout",
+	"Cut": "Střih",
 	"Default download location": "Výchozí umístění stahování",
 	"Delete": "Smazat",
-	"Desktop App Settings": "Nastavení desktopové aplikace",
-	"Desktop Notifications": "Oznámení na ploše",
+	"Desktop App Settings": "Nastavení aplikace Desktop",
+	"Desktop Notifications": "Oznámení o pracovní ploše",
 	"Desktop Settings": "Nastavení plochy",
 	"Disconnect": "Odpojit",
-	"Download App Logs": "Stáhnout záznamy programu",
+	"Download App Logs": "Stáhnout App Logs",
 	"Edit": "Upravit",
 	"Edit Shortcuts": "Upravit zkratky",
 	"Enable auto updates": "Povolit automatické aktualizace",
-	"Enable error reporting (requires restart)": "Povolit hlášení chyb (vyžaduje opětovné spuštění programu)",
-	"Enable spellchecker (requires restart)": "Povolit kontrolu pravopisu (vyžaduje opětovné spuštění programu)",
-	"Factory Reset": "Obnovení do továrního nastavení",
+	"Enable error reporting (requires restart)": "Povolit hlášení chyb (vyžaduje restart)",
+	"Enable spellchecker (requires restart)": "Povolit kontrolu pravopisu (vyžaduje restartování)",
+	"Factory Reset": "Tovární nastavení",
 	"File": "Soubor",
 	"Find accounts": "Najít účty",
-	"Find accounts by email": "Najít účty podle adresy elektronické pošty",
-	"Flash taskbar on new message": "Blikání ikony v hlavním panelu při obdržení nové zprávy",
+	"Find accounts by email": "Najít účty e-mailem",
+	"Flash taskbar on new message": "Hlavní panel Flash na nové zprávě",
 	"Forward": "Vpřed",
-	"Functionality": "Funkce",
-	"General": "Obecné",
-	"Get beta updates": "Dostávat beta aktualizace",
-	"Hard Reload": "Tvrdé znovunahrání",
-	"Help": "Nápověda",
+	"Functionality": "Funkčnost",
+	"General": "Všeobecné",
+	"Get beta updates": "Získejte aktualizace beta",
+	"Hard Reload": "Hard Reload",
+	"Help": "Pomoc",
 	"Help Center": "Centrum nápovědy",
-	"History": "Historie",
-	"History Shortcuts": "Zkratky pro historii",
+	"History": "Dějiny",
+	"History Shortcuts": "Zkratky historie",
 	"Keyboard Shortcuts": "Klávesové zkratky",
 	"Log Out": "Odhlásit se",
 	"Log Out of Organization": "Odhlásit se z organizace",
-	"Manual proxy configuration": "Ruční nastavení proxy",
+	"Manual proxy configuration": "Ruční konfigurace proxy",
 	"Minimize": "Minimalizovat",
-	"Mute all sounds from Zulip": "Ztlumit všechny zvuky ze Zulipu",
+	"Mute all sounds from Zulip": "Vypněte všechny zvuky ze Zulipu",
 	"NO": "NE",
 	"Network": "Síť",
 	"OR": "NEBO",
-	"Organization URL": "Adresa organizace",
+	"Organization URL": "URL organizace",
 	"Organizations": "Organizace",
 	"Paste": "Vložit",
-	"Paste and Match Style": "Vložit a ponechat styl",
+	"Paste and Match Style": "Vložit a shodit styl",
 	"Proxy": "Proxy",
-	"Proxy bypass rules": "Pravidla pro obejití Proxy",
-	"Proxy rules": "Pravidla Proxy",
-	"Quit": "Ukončit",
-	"Quit Zulip": "Ukončit Zulip",
-	"Redo": "Znovu",
-	"Release Notes": "Poznámky k této verzi",
-	"Reload": "Nahrát znovu",
+	"Proxy bypass rules": "Proxy bypass pravidla",
+	"Proxy rules": "Proxy pravidla",
+	"Quit": "Přestat",
+	"Quit Zulip": "Ukončete Zulip",
+	"Redo": "Předělat",
+	"Release Notes": "Poznámky k vydání",
+	"Reload": "Znovu načíst",
 	"Report an Issue": "Nahlásit problém",
+	"Reset App Data": "Resetovat data aplikace",
+	"Reset App Settings": "Obnovit nastavení aplikace",
+	"Reset Application Data": "Resetovat data aplikace",
 	"Save": "Uložit",
 	"Select All": "Vybrat vše",
 	"Settings": "Nastavení",
 	"Shortcuts": "Zkratky",
-	"Show App Logs": "Zobrazit záznamy programu",
-	"Show app icon in system tray": "Zobrazovat ikonu programu v oznamovací oblasti panelu",
-	"Show app unread badge": "Zobrazovat u ikony aplikace symbol nepřečteno",
-	"Show desktop notifications": "Zobrazovat oznámení na ploše",
+	"Show App Logs": "Zobrazit protokoly aplikací",
+	"Show app icon in system tray": "Zobrazit ikonu aplikace v systémové liště",
+	"Show app unread badge": "Zobrazit nepřečtený odznak aplikace",
+	"Show desktop notifications": "Zobrazit oznámení na ploše",
 	"Show downloaded files in file manager": "Zobrazit stažené soubory ve správci souborů",
-	"Show sidebar": "Zobrazovat postranní panel",
-	"Start app at login": "Spustit program při přihlášení",
+	"Show sidebar": "Zobrazit postranní panel",
+	"Start app at login": "Spuštění aplikace při přihlášení",
 	"Switch to Next Organization": "Přepnout na další organizaci",
-	"Switch to Previous Organization": "Přepnout na předchozí organizaci",
-	"These desktop app shortcuts extend the Zulip webapp's": "Tyto zkratky rozšiřují webovou aplikaci Zulipu",
-	"This will delete all application data including all added accounts and preferences": "Toto smaže všechna data programu včetně všech přidaných účtů a nastavení",
+	"Switch to Previous Organization": "Přepněte na předchozí organizaci",
+	"These desktop app shortcuts extend the Zulip webapp's": "Tyto klávesové zkratky pro aplikaci na ploše rozšiřují aplikaci Zulip webapp",
+	"This will delete all application data including all added accounts and preferences": "Tím odstraníte všechna data aplikace včetně všech přidaných účtů a předvoleb",
 	"Tip": "Tip",
-	"Toggle DevTools for Active Tab": "Přepnout vývojářské nástroje pro aktivní kartu",
-	"Toggle DevTools for Zulip App": "Přepnout vývojářské nástroje pro program Zulip",
-	"Toggle Do Not Disturb": "Přepnout mód Nerušit",
+	"Toggle DevTools for Active Tab": "Přepnout DevTools pro Active Tab",
+	"Toggle DevTools for Zulip App": "Přepnout DevTools pro Zulip App",
+	"Toggle Do Not Disturb": "Přepnout Do Nerušit",
 	"Toggle Full Screen": "Přepnout na celou obrazovku",
-	"Toggle Sidebar": "Přepnout zobrazení postranního panelu",
-	"Toggle Tray Icon": "Přepnout ikonu v oznamovací oblasti panelu",
+	"Toggle Sidebar": "Přepnout postranní panel",
+	"Toggle Tray Icon": "Přepnout ikonu zásobníku",
 	"Tools": "Nástroje",
-	"Undo": "Zpět",
-	"Upload": "Nahrát",
-	"Use system proxy settings (requires restart)": "Použít systémová nastavení proxy (vyžaduje opětovné spuštění programu)",
-	"View": "Zobrazení",
-	"View Shortcuts": "Zobrazit zkratky",
+	"Undo": "vrátit",
+	"Upload": "nahrát",
+	"Use system proxy settings (requires restart)": "Použít nastavení proxy serveru (vyžaduje restart)",
+	"View": "Pohled",
+	"View Shortcuts": "Zobrazit zástupce",
 	"Window": "Okno",
-	"Window Shortcuts": "Zkratky pro okno",
+	"Window Shortcuts": "Klávesové zkratky",
 	"YES": "ANO",
 	"Zoom In": "Přiblížit",
 	"Zoom Out": "Oddálit",
-	"Zulip Help": "Nápověda Zulipu",
+	"Zulip Help": "Nápověda Zulip",
 	"keyboard shortcuts": "klávesové zkratky",
-	"script": "skript",
-	"Quit when the window is closed": "Ukončit, když je okno zavřeno",
-	"Ask where to save files before downloading": "Před stažením se zeptat kam uložit soubory",
-	"Services": "Služby",
-	"Hide": "Skrýt",
-	"Hide Others": "Skrýt jiné",
-	"Unhide": "Zobrazit",
-	"AddServer": "Přidat server",
-	"App language (requires restart)": "Jazyk programu (vyžaduje opětovné spuštění programu)",
-	"Factory Reset Data": "Obnovení dat do továrního nastavení",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Obnovit program do výchozího nastavení. čili smazat všechny připojené organizace, účty a certifikáty.",
-	"On macOS, the OS spellchecker is used.": "Na macOS se používá kontrola pravopisu OS.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Změnit jazyk v Nastavení systému → Klávesnice → Text → Kontrola pravopisu.",
-	"Copy Link": "Kopírovat odkaz",
-	"Copy Image": "Kopírovat obrázek",
-	"Copy Image URL": "Kopírovat adresu (URL) obrázku",
-	"No Suggestion Found": "Nenalezen žádný návrh",
-	"You can select a maximum of 3 languages for spellchecking.": "Pro kontrolu pravopisu můžete vybrat nejvíce 3 jazyky.",
-	"Spellchecker Languages": "Kontrola pravopisu jazyků",
-	"Add to Dictionary": "Přidat do slovníku",
-	"Look Up": "Vyhledat"
+	"script": "skript"
 }

app/translations/da.json

@@ -1,134 +0,0 @@
-{
-	"About Zulip": "Om Zulip",
-	"Actual Size": "Faktisk størrelse",
-	"Add Custom Certificates": "Tilføj egne certifikater",
-	"Add Organization": "Opret organisation",
-	"Add a Zulip organization": "Opret en Zulip organisation",
-	"Add custom CSS": "Tilføj egen CSS",
-	"Advanced": "Avanceret",
-	"All the connected organizations will appear here": "Alle de tilsluttede organisationer vil blive vist her",
-	"Always start minimized": "Start altid minimeret",
-	"App Updates": "App-opdateringer",
-	"Appearance": "Udseende",
-	"Application Shortcuts": "Genveje",
-	"Are you sure you want to disconnect this organization?": "Er du sikker på du vil frakoble denne organisation? ",
-	"Auto hide Menu bar": "Skjul menu automatisk",
-	"Auto hide menu bar (Press Alt key to display)": "Skjul menu automatisk (tryk på Alt-tasten for at vise)",
-	"Back": "Tilbage",
-	"Bounce dock on new private message": "Bounce dock on new private message",
-	"Certificate file": "Certifikat-fil",
-	"Change": "Skift",
-	"Check for Updates": "Tjek for opdateringer",
-	"Close": "Luk",
-	"Connect": "Tilslut",
-	"Connect to another organization": "Forbind til en anden organisation",
-	"Connected organizations": "Tilsluttede organisationer",
-	"Copy": "Kopiér",
-	"Copy Zulip URL": "Kopiér Zulip URL",
-	"Create a new organization": "Opret ny organisation",
-	"Cut": "Klip",
-	"Default download location": "Default download placering",
-	"Delete": "Slet",
-	"Desktop App Settings": "Desktop app-indstillinger",
-	"Desktop Notifications": "Desktop-notifikationer",
-	"Desktop Settings": "Desktop-indstillinger",
-	"Disconnect": "Frakobl",
-	"Download App Logs": "Download app-logfiler",
-	"Edit": "Redigér",
-	"Edit Shortcuts": "Redigér genveje",
-	"Enable auto updates": "Aktivér auto-opdateringer",
-	"Enable error reporting (requires restart)": "Aktivér fejlrapportering (kræver genstart)",
-	"Enable spellchecker (requires restart)": "Aktivér stavekontrol (kræver genstart)",
-	"Factory Reset": "Nulstil til fabriksindstillinger",
-	"File": "Fil",
-	"Find accounts": "Find konti",
-	"Find accounts by email": "Find accounts by email",
-	"Flash taskbar on new message": "Flash taskbar on new message",
-	"Forward": "Forward",
-	"Functionality": "Funktionalitet",
-	"General": "Generelt",
-	"Get beta updates": "Få beta opdateringer",
-	"Hard Reload": "Hård reload",
-	"Help": "Hjælp",
-	"Help Center": "Hjælpecenter",
-	"History": "Historik",
-	"History Shortcuts": "Historik genveje",
-	"Keyboard Shortcuts": "Tastatur genveje",
-	"Log Out": "Log ud",
-	"Log Out of Organization": "Log ud af organisation",
-	"Manual proxy configuration": "Manuel proxy opsætning",
-	"Minimize": "Minimér",
-	"Mute all sounds from Zulip": "Mute all sounds from Zulip",
-	"NO": "NEJ",
-	"Network": "Netværk",
-	"OR": "ELLER",
-	"Organization URL": "Organisation URL",
-	"Organizations": "Organisationer",
-	"Paste": "Indsæt",
-	"Paste and Match Style": "Indsæt med samme formattering",
-	"Proxy": "Proxy",
-	"Proxy bypass rules": "Proxy bypass regler",
-	"Proxy rules": "Proxy regler",
-	"Quit": "Luk",
-	"Quit Zulip": "Luk Zulip",
-	"Redo": "Redo",
-	"Release Notes": "Release Notes",
-	"Reload": "Reload",
-	"Report an Issue": "Report an Issue",
-	"Save": "Save",
-	"Select All": "Select All",
-	"Settings": "Settings",
-	"Shortcuts": "Shortcuts",
-	"Show App Logs": "Show App Logs",
-	"Show app icon in system tray": "Show app icon in system tray",
-	"Show app unread badge": "Show app unread badge",
-	"Show desktop notifications": "Show desktop notifications",
-	"Show downloaded files in file manager": "Show downloaded files in file manager",
-	"Show sidebar": "Show sidebar",
-	"Start app at login": "Start app at login",
-	"Switch to Next Organization": "Switch to Next Organization",
-	"Switch to Previous Organization": "Switch to Previous Organization",
-	"These desktop app shortcuts extend the Zulip webapp's": "These desktop app shortcuts extend the Zulip webapp's",
-	"This will delete all application data including all added accounts and preferences": "This will delete all application data including all added accounts and preferences",
-	"Tip": "Tip",
-	"Toggle DevTools for Active Tab": "Toggle DevTools for Active Tab",
-	"Toggle DevTools for Zulip App": "Toggle DevTools for Zulip App",
-	"Toggle Do Not Disturb": "Toggle Do Not Disturb",
-	"Toggle Full Screen": "Toggle Full Screen",
-	"Toggle Sidebar": "Toggle Sidebar",
-	"Toggle Tray Icon": "Toggle Tray Icon",
-	"Tools": "Tools",
-	"Undo": "Undo",
-	"Upload": "Upload",
-	"Use system proxy settings (requires restart)": "Use system proxy settings (requires restart)",
-	"View": "View",
-	"View Shortcuts": "View Shortcuts",
-	"Window": "Window",
-	"Window Shortcuts": "Window Shortcuts",
-	"YES": "YES",
-	"Zoom In": "Zoom In",
-	"Zoom Out": "Zoom Out",
-	"Zulip Help": "Zulip Help",
-	"keyboard shortcuts": "keyboard shortcuts",
-	"script": "script",
-	"Quit when the window is closed": "Quit when the window is closed",
-	"Ask where to save files before downloading": "Ask where to save files before downloading",
-	"Services": "Services",
-	"Hide": "Hide",
-	"Hide Others": "Hide Others",
-	"Unhide": "Unhide",
-	"AddServer": "AddServer",
-	"App language (requires restart)": "App language (requires restart)",
-	"Factory Reset Data": "Factory Reset Data",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Reset the application, thus deleting all the connected organizations, accounts, and certificates.",
-	"On macOS, the OS spellchecker is used.": "On macOS, the OS spellchecker is used.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Change the language from System Preferences → Keyboard → Text → Spelling.",
-	"Copy Link": "Copy Link",
-	"Copy Image": "Copy Image",
-	"Copy Image URL": "Copy Image URL",
-	"No Suggestion Found": "No Suggestion Found",
-	"You can select a maximum of 3 languages for spellchecking.": "You can select a maximum of 3 languages for spellchecking.",
-	"Spellchecker Languages": "Spellchecker Languages",
-	"Add to Dictionary": "Add to Dictionary",
-	"Look Up": "Look Up"
-}

app/translations/de.json

@@ -1,134 +1,117 @@
 {
 	"About Zulip": "Über Zulip",
 	"Actual Size": "Tatsächliche Größe",
-	"Add Custom Certificates": "Eigene Zertifikate hinzufügen",
+	"Add Custom Certificates": "Benutzerdefinierte Zertifikate hinzufügen",
 	"Add Organization": "Organisation hinzufügen",
-	"Add a Zulip organization": "Zulip-Organisation hinzufügen",
-	"Add custom CSS": "Eigenes CSS hinzufügen",
-	"Advanced": "Erweitert",
-	"All the connected organizations will appear here": "Alle verbundenen Organisationen erscheinen hier",
-	"Always start minimized": "Immer minimiert öffnen",
-	"App Updates": "App Updates",
-	"Appearance": "Erscheinungsbild",
-	"Application Shortcuts": "App-Verknüpfungen",
-	"Are you sure you want to disconnect this organization?": "Bist du dir sicher, dass du die Verbindung zur Organisation trennen möchtest?",
-	"Auto hide Menu bar": "Menü automatisch verstecken",
-	"Auto hide menu bar (Press Alt key to display)": "Menü automatisch verstecken (zum Anzeigen die Alt-Taste drücken)",
+	"Add a Zulip organization": "Fügen Sie eine Zulip-Organisation hinzu",
+	"Add custom CSS": "Fügen Sie benutzerdefiniertes CSS hinzu",
+	"Advanced": "Fortgeschritten",
+	"All the connected organizations will appear here": "Alle verbundenen Organisationen werden hier angezeigt",
+	"Always start minimized": "Immer minimiert anfangen",
+	"App Updates": "App-Updates",
+	"Appearance": "Aussehen",
+	"Application Shortcuts": "Anwendungsverknüpfungen",
+	"Are you sure you want to disconnect this organization?": "Möchten Sie diese Organisation wirklich trennen?",
+	"Auto hide Menu bar": "Menüleiste automatisch ausblenden",
+	"Auto hide menu bar (Press Alt key to display)": "Menüleiste automatisch ausblenden (Drücken Sie die Alt-Taste, um anzuzeigen)",
 	"Back": "Zurück",
-	"Bounce dock on new private message": "Im Dock hüpfen, wenn neue private Nachrichten eingehen",
+	"Bounce dock on new private message": "Bounce-Dock für neue private Nachricht",
 	"Certificate file": "Zertifikatsdatei",
-	"Change": "Ändern",
+	"Change": "Veränderung",
 	"Check for Updates": "Auf Updates prüfen",
 	"Close": "Schließen",
 	"Connect": "Verbinden",
-	"Connect to another organization": "Mit einer anderen Organisation verbinden",
+	"Connect to another organization": "Stellen Sie eine Verbindung zu einer anderen Organisation her",
 	"Connected organizations": "Verbundene Organisationen",
 	"Copy": "Kopieren",
 	"Copy Zulip URL": "Zulip-URL kopieren",
-	"Create a new organization": "Eine neue Organisation erstellen",
-	"Cut": "Ausschneiden",
-	"Default download location": "Voreingestelltes Ziel für Downloads",
+	"Create a new organization": "Erstellen Sie eine neue Organisation",
+	"Cut": "Schnitt",
+	"Default download location": "Standard-Download-Speicherort",
 	"Delete": "Löschen",
-	"Desktop App Settings": "Einstellungen für Desktop-App",
-	"Desktop Notifications": "Desktopbenachrichtigungen",
+	"Desktop App Settings": "Desktop App-Einstellungen",
+	"Desktop Notifications": "Desktop-Benachrichtigungen",
 	"Desktop Settings": "Desktop-Einstellungen",
-	"Disconnect": "Verbindung trennen",
-	"Download App Logs": "Logdateien der App herunterladen",
+	"Disconnect": "Trennen",
+	"Download App Logs": "App-Protokolle herunterladen",
 	"Edit": "Bearbeiten",
-	"Edit Shortcuts": "Tastenkürzel bearbeiten",
-	"Enable auto updates": "Automatisch aktualisieren",
-	"Enable error reporting (requires restart)": "Fehlerberichte aktivieren (erfordert Neustart)",
-	"Enable spellchecker (requires restart)": "Rechtschreibprüfung aktivieren (erfordert Neustart)",
-	"Factory Reset": "Alle Einstellungen auf Standardwerte zurücksetzen",
+	"Edit Shortcuts": "Verknüpfungen bearbeiten",
+	"Enable auto updates": "Automatische Updates aktivieren",
+	"Enable error reporting (requires restart)": "Fehlerberichterstattung aktivieren (Neustart erforderlich)",
+	"Enable spellchecker (requires restart)": "Rechtschreibprüfung aktivieren (Neustart erforderlich)",
+	"Factory Reset": "Werkseinstellungen zurückgesetzt",
 	"File": "Datei",
-	"Find accounts": "Accounts finden",
-	"Find accounts by email": "Accounts anhand E-Mail-Adresse finden",
-	"Flash taskbar on new message": "Farbliche Hervorhebung in Taskbar bei neuen Nachrichten",
-	"Forward": "Weiter",
+	"Find accounts": "Konten suchen",
+	"Find accounts by email": "Finden Sie Konten per E-Mail",
+	"Flash taskbar on new message": "Flash-Taskleiste bei neuer Nachricht",
+	"Forward": "Nach vorne",
 	"Functionality": "Funktionalität",
-	"General": "Allgemein",
-	"Get beta updates": "Auf Betaversionen aktualisieren",
-	"Hard Reload": "Komplett neu laden",
+	"General": "Allgemeines",
+	"Get beta updates": "Erhalten Sie Beta-Updates",
+	"Hard Reload": "Festes Nachladen",
 	"Help": "Hilfe",
-	"Help Center": "Hilfe-Zentrum",
-	"History": "Verlauf",
-	"History Shortcuts": "Kurzbefehle für Verlauf",
-	"Keyboard Shortcuts": "Tastenkürzel",
-	"Log Out": "Abmelden",
-	"Log Out of Organization": "Von Organisation abmelden",
+	"Help Center": "Hilfezentrum",
+	"History": "Geschichte",
+	"History Shortcuts": "Verlaufsverknüpfungen",
+	"Keyboard Shortcuts": "Tastatürkürzel",
+	"Log Out": "Ausloggen",
+	"Log Out of Organization": "Aus Organisation ausloggen",
 	"Manual proxy configuration": "Manuelle Proxy-Konfiguration",
 	"Minimize": "Minimieren",
-	"Mute all sounds from Zulip": "Alle Zulip-Klänge stummschalten",
+	"Mute all sounds from Zulip": "Schaltet alle Sounds von Zulip stumm",
 	"NO": "NEIN",
 	"Network": "Netzwerk",
 	"OR": "ODER",
-	"Organization URL": "URL der Organisation",
+	"Organization URL": "Organisations-URL",
 	"Organizations": "Organisationen",
 	"Paste": "Einfügen",
-	"Paste and Match Style": "Ohne Formatierung einfügen",
+	"Paste and Match Style": "Einfügen und Format anpassen",
 	"Proxy": "Proxy",
-	"Proxy bypass rules": "Proxy-Ausnahmen",
+	"Proxy bypass rules": "Proxy-Umgehungsregeln",
 	"Proxy rules": "Proxy-Regeln",
-	"Quit": "Beenden",
-	"Quit Zulip": "Zulip beenden",
-	"Redo": "Wiederholen",
-	"Release Notes": "Hinweise zur Versionsfreigabe",
+	"Quit": "Verlassen",
+	"Quit Zulip": "Beenden Sie Zulip",
+	"Redo": "Redo",
+	"Release Notes": "Versionshinweise",
 	"Reload": "Neu laden",
 	"Report an Issue": "Ein Problem melden",
-	"Save": "Speichern",
-	"Select All": "Alles auswählen",
-	"Settings": "Einstellungen",
-	"Shortcuts": "Kurzbefehle",
-	"Show App Logs": "Logdateien der App anzeigen",
-	"Show app icon in system tray": "App-Icon in Systemleiste anzeigen",
-	"Show app unread badge": "Anzahl ungelesener Nachrichten in App-Icon einblenden",
-	"Show desktop notifications": "Desktopbenachrichtigungen anzeigen",
-	"Show downloaded files in file manager": "Heruntergeladene Dateien in Dateimanager anzeigen",
+	"Reset App Data": "App-Daten zurücksetzen",
+	"Reset App Settings": "App-Einstellungen zurücksetzen",
+	"Reset Application Data": "Anwendungsdaten zurücksetzen",
+	"Save": "sparen",
+	"Select All": "Wählen Sie Alle",
+	"Settings": "die Einstellungen",
+	"Shortcuts": "Verknüpfungen",
+	"Show App Logs": "App-Protokolle anzeigen",
+	"Show app icon in system tray": "App-Symbol in der Taskleiste anzeigen",
+	"Show app unread badge": "Zeige App ungelesenen Badge",
+	"Show desktop notifications": "Desktop-Benachrichtigungen anzeigen",
+	"Show downloaded files in file manager": "Heruntergeladene Dateien im Dateimanager anzeigen",
 	"Show sidebar": "Seitenleiste anzeigen",
-	"Start app at login": "App beim Login automatisch starten",
-	"Switch to Next Organization": "Zur nächsten Organisation wechseln",
-	"Switch to Previous Organization": "Zur vorhergehenden Organisation wechseln",
-	"These desktop app shortcuts extend the Zulip webapp's": "Dies sind zusätzliche Kurzbefehle in der Desktop-App gegenüber der Web-App",
-	"This will delete all application data including all added accounts and preferences": "Hiermit werden alle Anwendungsdaten einschließlich aller Accounts und Einstellungen gelöscht",
-	"Tip": "Tipp",
-	"Toggle DevTools for Active Tab": "Entwickler-Tools für aktiven Tab umschalten",
-	"Toggle DevTools for Zulip App": "Entwickler-Tools für Zulip-App umschalten",
-	"Toggle Do Not Disturb": "Nicht-Stören-Modus umschalten",
-	"Toggle Full Screen": "Vollbildschirm umschalten",
+	"Start app at login": "App beim Login starten",
+	"Switch to Next Organization": "Wechseln Sie zur nächsten Organisation",
+	"Switch to Previous Organization": "Zur vorherigen Organisation wechseln",
+	"These desktop app shortcuts extend the Zulip webapp's": "Diese Desktop-App-Verknüpfungen erweitern die Zulip-Webanwendungen",
+	"This will delete all application data including all added accounts and preferences": "Dadurch werden alle Anwendungsdaten einschließlich aller hinzugefügten Konten und Einstellungen gelöscht",
+	"Tip": "Spitze",
+	"Toggle DevTools for Active Tab": "DevTools für aktive Registerkarte umschalten",
+	"Toggle DevTools for Zulip App": "DevTools für Zulip App umschalten",
+	"Toggle Do Not Disturb": "Nicht stören umschalten",
+	"Toggle Full Screen": "Vollbild umschalten",
 	"Toggle Sidebar": "Seitenleiste umschalten",
-	"Toggle Tray Icon": "Tray-Icon umschalten",
-	"Tools": "Extras",
-	"Undo": "Rückgängig",
+	"Toggle Tray Icon": "Taskleistensymbol umschalten",
+	"Tools": "Werkzeuge",
+	"Undo": "Rückgängig machen",
 	"Upload": "Hochladen",
-	"Use system proxy settings (requires restart)": "Systemweite Proxy-Einstellungen verwenden (erfordert Neustart)",
-	"View": "Ansicht",
-	"View Shortcuts": "Tastenkürzel anzeigen",
+	"Use system proxy settings (requires restart)": "System-Proxy-Einstellungen verwenden (Neustart erforderlich)",
+	"View": "Aussicht",
+	"View Shortcuts": "Verknüpfungen anzeigen",
 	"Window": "Fenster",
-	"Window Shortcuts": "Kurzbefehle für Fenster",
+	"Window Shortcuts": "Fensterverknüpfungen",
 	"YES": "JA",
-	"Zoom In": "Vergrößern",
-	"Zoom Out": "Verkleinern",
-	"Zulip Help": "Hilfe zu Zulip",
-	"keyboard shortcuts": "Tastenkürzel",
-	"script": "Skript",
-	"Quit when the window is closed": "Beim Schließen des Fensters beenden",
-	"Ask where to save files before downloading": "Fragen, wo heruntergeladene Dateien gespeichert werden sollen",
-	"Services": "Dienste",
-	"Hide": "Verbergen",
-	"Hide Others": "Andere verbergen",
-	"Unhide": "Nicht mehr verbergen",
-	"AddServer": "ServerHinzufügen",
-	"App language (requires restart)": "Sprache der App (benötigt Neustart)",
-	"Factory Reset Data": "Auf Werkseinstellung zurücksetzen",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Die App wird zurückgesetzt, somit werden alle verbundenen Organisationen, Konten und Zertifikate gelöscht.",
-	"On macOS, the OS spellchecker is used.": "In macOS wird die OS Rechtschreibprüfung verwendet.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Ändere die Spracheinstellung über Systemeinstellungen → Tastatur → Text → Rechtschreibung.",
-	"Copy Link": "Link kopieren",
-	"Copy Image": "Bild kopieren",
-	"Copy Image URL": "Bild-URL kopieren",
-	"No Suggestion Found": "Keine Vorschläge gefunden",
-	"You can select a maximum of 3 languages for spellchecking.": "Du kannst höchstens 3 Sprachen für die Rechtschreibprüfung auswählen.",
-	"Spellchecker Languages": "Sprachen für die Rechtschreibprüfung",
-	"Add to Dictionary": "Zum Wörterbuch hinzufügen",
-	"Look Up": "Nachschlagen"
+	"Zoom In": "Hineinzoomen",
+	"Zoom Out": "Rauszoomen",
+	"Zulip Help": "Zulip-Hilfe",
+	"keyboard shortcuts": "Tastatürkürzel",
+	"script": "Skript"
 }

app/translations/el.json

@@ -1,134 +0,0 @@
-{
-	"About Zulip": "About Zulip",
-	"Actual Size": "Actual Size",
-	"Add Custom Certificates": "Add Custom Certificates",
-	"Add Organization": "Add Organization",
-	"Add a Zulip organization": "Add a Zulip organization",
-	"Add custom CSS": "Add custom CSS",
-	"Advanced": "Advanced",
-	"All the connected organizations will appear here": "All the connected organizations will appear here",
-	"Always start minimized": "Always start minimized",
-	"App Updates": "App Updates",
-	"Appearance": "Appearance",
-	"Application Shortcuts": "Application Shortcuts",
-	"Are you sure you want to disconnect this organization?": "Are you sure you want to disconnect this organization?",
-	"Auto hide Menu bar": "Auto hide Menu bar",
-	"Auto hide menu bar (Press Alt key to display)": "Auto hide menu bar (Press Alt key to display)",
-	"Back": "Back",
-	"Bounce dock on new private message": "Bounce dock on new private message",
-	"Certificate file": "Certificate file",
-	"Change": "Change",
-	"Check for Updates": "Check for Updates",
-	"Close": "Close",
-	"Connect": "Connect",
-	"Connect to another organization": "Connect to another organization",
-	"Connected organizations": "Connected organizations",
-	"Copy": "Copy",
-	"Copy Zulip URL": "Copy Zulip URL",
-	"Create a new organization": "Create a new organization",
-	"Cut": "Cut",
-	"Default download location": "Default download location",
-	"Delete": "Delete",
-	"Desktop App Settings": "Desktop App Settings",
-	"Desktop Notifications": "Desktop Notifications",
-	"Desktop Settings": "Desktop Settings",
-	"Disconnect": "Disconnect",
-	"Download App Logs": "Download App Logs",
-	"Edit": "Edit",
-	"Edit Shortcuts": "Edit Shortcuts",
-	"Enable auto updates": "Enable auto updates",
-	"Enable error reporting (requires restart)": "Enable error reporting (requires restart)",
-	"Enable spellchecker (requires restart)": "Enable spellchecker (requires restart)",
-	"Factory Reset": "Factory Reset",
-	"File": "File",
-	"Find accounts": "Find accounts",
-	"Find accounts by email": "Find accounts by email",
-	"Flash taskbar on new message": "Flash taskbar on new message",
-	"Forward": "Forward",
-	"Functionality": "Functionality",
-	"General": "General",
-	"Get beta updates": "Get beta updates",
-	"Hard Reload": "Hard Reload",
-	"Help": "Help",
-	"Help Center": "Help Center",
-	"History": "History",
-	"History Shortcuts": "History Shortcuts",
-	"Keyboard Shortcuts": "Keyboard Shortcuts",
-	"Log Out": "Log Out",
-	"Log Out of Organization": "Log Out of Organization",
-	"Manual proxy configuration": "Manual proxy configuration",
-	"Minimize": "Minimize",
-	"Mute all sounds from Zulip": "Mute all sounds from Zulip",
-	"NO": "NO",
-	"Network": "Network",
-	"OR": "OR",
-	"Organization URL": "Organization URL",
-	"Organizations": "Organizations",
-	"Paste": "Paste",
-	"Paste and Match Style": "Paste and Match Style",
-	"Proxy": "Proxy",
-	"Proxy bypass rules": "Proxy bypass rules",
-	"Proxy rules": "Proxy rules",
-	"Quit": "Quit",
-	"Quit Zulip": "Quit Zulip",
-	"Redo": "Redo",
-	"Release Notes": "Release Notes",
-	"Reload": "Reload",
-	"Report an Issue": "Report an Issue",
-	"Save": "Save",
-	"Select All": "Select All",
-	"Settings": "Settings",
-	"Shortcuts": "Shortcuts",
-	"Show App Logs": "Show App Logs",
-	"Show app icon in system tray": "Show app icon in system tray",
-	"Show app unread badge": "Show app unread badge",
-	"Show desktop notifications": "Show desktop notifications",
-	"Show downloaded files in file manager": "Show downloaded files in file manager",
-	"Show sidebar": "Show sidebar",
-	"Start app at login": "Start app at login",
-	"Switch to Next Organization": "Switch to Next Organization",
-	"Switch to Previous Organization": "Switch to Previous Organization",
-	"These desktop app shortcuts extend the Zulip webapp's": "These desktop app shortcuts extend the Zulip webapp's",
-	"This will delete all application data including all added accounts and preferences": "This will delete all application data including all added accounts and preferences",
-	"Tip": "Tip",
-	"Toggle DevTools for Active Tab": "Toggle DevTools for Active Tab",
-	"Toggle DevTools for Zulip App": "Toggle DevTools for Zulip App",
-	"Toggle Do Not Disturb": "Toggle Do Not Disturb",
-	"Toggle Full Screen": "Toggle Full Screen",
-	"Toggle Sidebar": "Toggle Sidebar",
-	"Toggle Tray Icon": "Toggle Tray Icon",
-	"Tools": "Tools",
-	"Undo": "Undo",
-	"Upload": "Upload",
-	"Use system proxy settings (requires restart)": "Use system proxy settings (requires restart)",
-	"View": "View",
-	"View Shortcuts": "View Shortcuts",
-	"Window": "Window",
-	"Window Shortcuts": "Window Shortcuts",
-	"YES": "YES",
-	"Zoom In": "Zoom In",
-	"Zoom Out": "Zoom Out",
-	"Zulip Help": "Zulip Help",
-	"keyboard shortcuts": "keyboard shortcuts",
-	"script": "script",
-	"Quit when the window is closed": "Quit when the window is closed",
-	"Ask where to save files before downloading": "Ask where to save files before downloading",
-	"Services": "Services",
-	"Hide": "Hide",
-	"Hide Others": "Hide Others",
-	"Unhide": "Unhide",
-	"AddServer": "AddServer",
-	"App language (requires restart)": "App language (requires restart)",
-	"Factory Reset Data": "Factory Reset Data",
-	"Reset the application, thus deleting all the connected organizations, accounts, and certificates.": "Reset the application, thus deleting all the connected organizations, accounts, and certificates.",
-	"On macOS, the OS spellchecker is used.": "On macOS, the OS spellchecker is used.",
-	"Change the language from System Preferences → Keyboard → Text → Spelling.": "Change the language from System Preferences → Keyboard → Text → Spelling.",
-	"Copy Link": "Copy Link",
-	"Copy Image": "Copy Image",
-	"Copy Image URL": "Copy Image URL",
-	"No Suggestion Found": "No Suggestion Found",
-	"You can select a maximum of 3 languages for spellchecking.": "You can select a maximum of 3 languages for spellchecking.",
-	"Spellchecker Languages": "Spellchecker Languages",
-	"Add to Dictionary": "Add to Dictionary",
-	"Look Up": "Look Up"
-}