release: New release v5.10.4.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

.editorconfig

@@ -1,15 +1,11 @@
 root = true
 
 [*]
-indent_style = tab
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[{package.json,*.yml}]
+[{*.css,*.html,*.js,*.json,*.ts}]
 indent_style = space
 indent_size = 2
-
-[*.md]
-trim_trailing_whitespace = false

.gitattributes

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

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+github: zulip
+patreon: zulip
+open_collective: zulip

.github/ISSUE_TEMPLATE.md

@@ -1,8 +0,0 @@
----
-<!-- 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

@@ -0,0 +1,31 @@
+---
+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

@@ -0,0 +1,4 @@
+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+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. -->

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,5 @@
 ---
+
 <!--
 Remove the fields that are not appropriate
 Please include:
@@ -11,6 +12,7 @@ Please include:
 **Screenshots?**
 
 **You have tested this PR on:**
-  - [ ] Windows
-  - [ ] Linux/Ubuntu
-  - [ ] macOS
+
+- [ ] Windows
+- [ ] Linux/Ubuntu
+- [ ] macOS

.github/workflows/node.js.yml

@@ -0,0 +1,15 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: npm ci
+      - run: npm test

.gitignore

@@ -1,11 +1,15 @@
-# Dependency directories
-node_modules/
+# Dependency directory
+/node_modules/
 
 # npm cache directory
 .npm
 
+# transifexrc - if user prefers it to be in working tree
+.transifexrc
+
 # Compiled binary build directory
-dist/
+/dist/
+/dist-electron/
 
 #snap generated files
 snap/parts

.htmlhintrc

@@ -1,12 +1,7 @@
 {
-  "tagname-lowercase": true,
-  "attr-lowercase": true,
-  "attr-value-double-quotes": true,
   "attr-value-not-empty": false,
   "attr-no-duplication": true,
   "doctype-first": true,
-  "tag-pair": true,
-  "empty-tag-not-self-closed": true,
   "spec-char-escape": true,
   "id-unique": true,
   "src-not-empty": true,
@@ -17,9 +12,8 @@
   "style-disabled": false,
   "inline-style-disabled": false,
   "inline-script-disabled": false,
-  "space-tab-mixed-disabled": "space4",
   "id-class-ad-disabled": false,
   "href-abs-or-rel": false,
   "attr-unsafe-chars": true,
   "head-script-disabled": true
-}
+}

.mailmap

@@ -0,0 +1,5 @@
+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>

.node-version

@@ -1 +0,0 @@
-6.9.4

.prettierignore

@@ -0,0 +1,3 @@
+/dist
+/dist-electron
+/public/translations/*.json

.stylelintrc

@@ -1,67 +1,12 @@
 {
-    "rules": {
-        # Stylistic rules for CSS.
-        "function-comma-space-after": "always",
-        "function-comma-space-before": "never",
-        "function-max-empty-lines": 0,
-        "function-whitespace-after": "always",
-
-        "value-keyword-case": "lower",
-        "value-list-comma-newline-after": "always-multi-line",
-        "value-list-comma-space-after": "always-single-line",
-        "value-list-comma-space-before": "never",
-        "value-list-max-empty-lines": 0,
-
-        "unit-case": "lower",
-        "property-case": "lower",
-        "color-hex-case": "lower",
-
-        "declaration-bang-space-before": "always",
-        "declaration-colon-newline-after": "always-multi-line",
-        "declaration-colon-space-after": "always-single-line",
-        "declaration-colon-space-before": "never",
-        "declaration-block-semicolon-newline-after": "always",
-        "declaration-block-semicolon-space-before": "never",
-        "declaration-block-trailing-semicolon": "always",
-
-        "block-closing-brace-empty-line-before": "never",
-        "block-closing-brace-newline-after": "always",
-        "block-closing-brace-newline-before": "always",
-        "block-opening-brace-newline-after": "always",
-        "block-opening-brace-space-before": "always",
-
-        "selector-attribute-brackets-space-inside": "never",
-        "selector-attribute-operator-space-after": "never",
-        "selector-attribute-operator-space-before": "never",
-        "selector-combinator-space-after": "always",
-        "selector-combinator-space-before": "always",
-        "selector-descendant-combinator-no-non-space": true,
-        "selector-pseudo-class-parentheses-space-inside": "never",
-        "selector-pseudo-element-case": "lower",
-        "selector-pseudo-element-colon-notation": "double",
-        "selector-type-case": "lower",
-        "selector-list-comma-newline-after": "always",
-        "selector-list-comma-space-before": "never",
-
-        "media-feature-colon-space-after": "always",
-        "media-feature-colon-space-before": "never",
-        "media-feature-name-case": "lower",
-        "media-feature-parentheses-space-inside": "never",
-        "media-feature-range-operator-space-after": "always",
-        "media-feature-range-operator-space-before": "always",
-        "media-query-list-comma-newline-after": "always",
-        "media-query-list-comma-space-before": "never",
-
-        "at-rule-name-case": "lower",
-        "at-rule-name-space-after": "always",
-        "at-rule-semicolon-newline-after": "always",
-        "at-rule-semicolon-space-before": "never",
-
-        "comment-whitespace-inside": "always",
-        "indentation": 4,
-        
-        # Limit language features
-        "color-no-hex": true,
-        "color-named": "never",
-    }
-}
+  "extends": ["stylelint-config-standard"],
+  "rules": {
+    "color-named": "never",
+    "color-no-hex": true,
+    "font-family-no-missing-generic-family-keyword": [
+      true,
+      {"ignoreFontFamilies": ["Material Icons"]}
+    ],
+    "selector-type-no-unknown": [true, {"ignoreTypes": ["webview"]}]
+  }
+}

.travis.yml

@@ -1,37 +0,0 @@
-sudo: required
-dist: trusty
-
-os:
-- osx
-- linux
-
-addons:
-  apt:
-    packages:
-    - build-essential
-    - libxext-dev
-    - libxtst-dev
-    - libxkbfile-dev
-
-language: node_js
-node_js:
-- '8'
-
-before_install:
-  - ./scripts/travis-xvfb.sh
-  - npm install -g gulp
-  - npm install
-
-cache:
-  directories:
-  - node_modules
-  - app/node_modules
-
-script:
-- npm run travis
-notifications:
-  webhooks:
-    urls:
-      - https://zulip.org/zulipbot/travis
-    on_success: always
-    on_failure: always

.tx/config

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

CONTRIBUTING.md

@@ -6,15 +6,16 @@ The following is a set of guidelines for contributing to Zulip's desktop Client.
 
 ## Getting Started
 
-Zulip-Desktop app is built on top of [Electron](http://electron.atom.io/). If you are new to Electron, please head over to [this](https://jlord.dev/blog/essential-electron) great article.
+Zulip-Desktop app is built on top of [Electron](http://electron.atom.io/). If you are new to Electron, please head over to [this](https://jlord.us/essential-electron) great article.
 
 ## Community
 
-* The whole Zulip documentation, such as setting up a development environment, setting up with the Zulip webapp project, and testing, can be read [here](https://zulip.readthedocs.io).
+- The whole Zulip documentation, such as setting up a development environment, setting up with the Zulip web app project, and testing, can be read [here](https://zulip.readthedocs.io).
 
-* If you have any questions regarding zulip-desktop, open an [issue](https://github.com/zulip/zulip-desktop/issues/new/) or ask it on [chat.zulip.org](https://chat.zulip.org/#narrow/stream/16-desktop).
+- If you have any questions regarding zulip-desktop, open an [issue](https://github.com/zulip/zulip-desktop/issues/new/) or ask it on [chat.zulip.org](https://chat.zulip.org/#narrow/stream/16-desktop).
 
 ## Issue
+
 Ensure the bug was not already reported by searching on GitHub under [issues](https://github.com/zulip/zulip-desktop/issues). If you're unable to find an open issue addressing the bug, open a [new issue](https://github.com/zulip/zulip-desktop/issues/new).
 
 The [zulipbot](https://github.com/zulip/zulipbot) helps to claim an issue by commenting the following in the comment section: "**@zulipbot** claim". **@zulipbot** will assign you to the issue and label the issue as **in progress**. For more details, check out [**@zulipbot**](https://github.com/zulip/zulipbot).
@@ -22,26 +23,29 @@ The [zulipbot](https://github.com/zulip/zulipbot) helps to claim an issue by com
 Please pay attention to the following points while opening an issue.
 
 ### Does it happen on web browsers? (especially Chrome)
+
 Zulip's desktop client is based on Electron, which integrates the Chrome engine within a standalone application.
 If the problem you encounter can be reproduced on web browsers, it may be an issue with [Zulip web app](https://github.com/zulip/zulip).
 
 ### Write detailed information
+
 Detailed information is very helpful to understand an issue.
 
 For example:
-* How to reproduce the issue, step-by-step.
-* The expected behavior (or what is wrong).
-* Screenshots for GUI issues.
-* The application version.
-* The operating system.
-* The Zulip-Desktop version.
 
+- How to reproduce the issue, step-by-step.
+- The expected behavior (or what is wrong).
+- Screenshots for GUI issues.
+- The application version.
+- The operating system.
+- The Zulip-Desktop version.
 
 ## Pull Requests
+
 Pull Requests are always welcome.
 
 1. When you edit the code, please run `npm run test` to check the formatting of your code before you `git commit`.
 2. Ensure the PR description clearly describes the problem and solution. It should include:
-   * The operating system on which you tested.
-   * The Zulip-Desktop version on which you tested.
-   * The relevant issue number, if applicable.
+   - The operating system on which you tested.
+   - The Zulip-Desktop version on which you tested.
+   - The relevant issue number, if applicable.

README.md

@@ -1,22 +1,35 @@
 # Zulip Desktop Client
-[![Build Status](https://travis-ci.org/zulip/zulip-desktop.svg?branch=master)](https://travis-ci.org/zulip/zulip-desktop)
-[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/zulip/zulip-desktop?branch=master&svg=true)](https://ci.appveyor.com/project/zulip/zulip-desktop/branch/master)
+
+[![Build Status](https://travis-ci.com/zulip/zulip-desktop.svg?branch=main)](https://travis-ci.com/github/zulip/zulip-desktop)
+[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/zulip/zulip-desktop?branch=main&svg=true)](https://ci.appveyor.com/project/zulip/zulip-desktop/branch/main)
 [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/sindresorhus/xo)
 [![project chat](https://img.shields.io/badge/zulip-join_chat-brightgreen.svg)](https://chat.zulip.org)
 
 Desktop client for Zulip. Available for Mac, Linux, and Windows.
 
-<img src="http://i.imgur.com/ChzTq4F.png"/>
+![screenshot](https://i.imgur.com/s1o6TRA.png)
+![screenshot](https://i.imgur.com/vekKnW4.png)
 
 # Download
-Please see the [installation guide](https://zulipchat.com/help/desktop-app-install-guide).
+
+Please see the [installation guide](https://zulip.com/help/desktop-app-install-guide).
 
 # Features
-* Sign in to multiple organizations
-* Desktop notifications with inline reply
-* Tray/dock integration
-* Multi-language spell checker
-* Automatic updates
+
+- Sign in to multiple organizations
+- Desktop notifications with inline reply
+- Tray/dock integration
+- Multi-language spell checker
+- Automatic updates
+
+# Reporting issues
+
+This desktop client shares most of its code with the Zulip web app.
+Issues in an individual organization's Zulip window should be reported
+in the [Zulip server and web app
+project](https://github.com/zulip/zulip/issues/new). Other
+issues in the desktop app and its settings should be reported [in this
+project](https://github.com/zulip/zulip-desktop/issues/new).
 
 # Contribute
 
@@ -24,4 +37,5 @@ First, join us on the [Zulip community server](https://zulip.readthedocs.io/en/l
 Also see our [contribution guidelines](./CONTRIBUTING.md) and our [development guide](./development.md).
 
 # License
+
 Released under the [Apache-2.0](./LICENSE) license.

app/common/config-schemata.ts

@@ -0,0 +1,44 @@
+import {z} from "zod";
+
+export const dndSettingsSchemata = {
+  showNotification: z.boolean(),
+  silent: z.boolean(),
+  flashTaskbarOnMessage: z.boolean(),
+};
+
+export const configSchemata = {
+  ...dndSettingsSchemata,
+  appLanguage: z.string().nullable(),
+  autoHideMenubar: z.boolean(),
+  autoUpdate: z.boolean(),
+  badgeOption: z.boolean(),
+  betaUpdate: z.boolean(),
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  customCSS: z.string().or(z.literal(false)).nullable(),
+  dnd: z.boolean(),
+  dndPreviousSettings: z.object(dndSettingsSchemata).partial(),
+  dockBouncing: z.boolean(),
+  downloadsPath: z.string(),
+  enableSpellchecker: z.boolean(),
+  errorReporting: z.boolean(),
+  lastActiveTab: z.number(),
+  promptDownload: z.boolean(),
+  proxyBypass: z.string(),
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  proxyPAC: z.string(),
+  proxyRules: z.string(),
+  quitOnClose: z.boolean(),
+  showSidebar: z.boolean(),
+  spellcheckerLanguages: z.string().array().nullable(),
+  startAtLogin: z.boolean(),
+  startMinimized: z.boolean(),
+  trayIcon: z.boolean(),
+  useManualProxy: z.boolean(),
+  useProxy: z.boolean(),
+  useSystemProxy: z.boolean(),
+};
+
+export const enterpriseConfigSchemata = {
+  ...configSchemata,
+  presetOrganizations: z.string().array(),
+};

app/common/config-util.ts

@@ -0,0 +1,100 @@
+import fs from "node:fs";
+import path from "node:path";
+
+import * as Sentry from "@sentry/electron";
+import {JsonDB} from "node-json-db";
+import {DataError} from "node-json-db/dist/lib/Errors";
+import type {z} from "zod";
+import {app, dialog} from "zulip:remote";
+
+import {configSchemata} from "./config-schemata.js";
+import * as EnterpriseUtil from "./enterprise-util.js";
+import Logger from "./logger-util.js";
+
+export type Config = {
+  [Key in keyof typeof configSchemata]: z.output<(typeof configSchemata)[Key]>;
+};
+
+const logger = new Logger({
+  file: "config-util.log",
+});
+
+let db: JsonDB;
+
+reloadDb();
+
+export function getConfigItem<Key extends keyof Config>(
+  key: Key,
+  defaultValue: Config[Key],
+): z.output<(typeof configSchemata)[Key]> {
+  try {
+    db.reload();
+  } catch (error: unknown) {
+    logger.error("Error while reloading settings.json: ");
+    logger.error(error);
+  }
+
+  try {
+    return configSchemata[key].parse(db.getObject<unknown>(`/${key}`));
+  } catch (error: unknown) {
+    if (!(error instanceof DataError)) throw error;
+    setConfigItem(key, defaultValue);
+    return defaultValue;
+  }
+}
+
+// This function returns whether a key exists in the configuration file (settings.json)
+export function isConfigItemExists(key: string): boolean {
+  try {
+    db.reload();
+  } catch (error: unknown) {
+    logger.error("Error while reloading settings.json: ");
+    logger.error(error);
+  }
+
+  return db.exists(`/${key}`);
+}
+
+export function setConfigItem<Key extends keyof Config>(
+  key: Key,
+  value: Config[Key],
+  override?: boolean,
+): void {
+  if (EnterpriseUtil.configItemExists(key) && !override) {
+    // If item is in global config and we're not trying to override
+    return;
+  }
+
+  configSchemata[key].parse(value);
+  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: unknown) {
+    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);
+      Sentry.captureException(error);
+    }
+  }
+
+  db = new JsonDB(settingsJsonPath, true, true);
+}

app/common/default-util.ts

@@ -0,0 +1,61 @@
+import fs from "node:fs";
+
+import {app} from "zulip:remote";
+
+let setupCompleted = false;
+
+const zulipDir = app.getPath("userData");
+const logDir = `${zulipDir}/Logs/`;
+const configDir = `${zulipDir}/config/`;
+export const initSetUp = (): void => {
+  // If it is the first time the app is running
+  // create zulip dir in userData folder to
+  // avoid errors
+  if (!setupCompleted) {
+    if (!fs.existsSync(zulipDir)) {
+      fs.mkdirSync(zulipDir);
+    }
+
+    if (!fs.existsSync(logDir)) {
+      fs.mkdirSync(logDir);
+    }
+
+    // Migrate config files from app data folder to config folder inside app
+    // data folder. This will be done once when a user updates to the new version.
+    if (!fs.existsSync(configDir)) {
+      fs.mkdirSync(configDir);
+      const domainJson = `${zulipDir}/domain.json`;
+      const settingsJson = `${zulipDir}/settings.json`;
+      const updatesJson = `${zulipDir}/updates.json`;
+      const windowStateJson = `${zulipDir}/window-state.json`;
+      const configData = [
+        {
+          path: domainJson,
+          fileName: "domain.json",
+        },
+        {
+          path: settingsJson,
+          fileName: "settings.json",
+        },
+        {
+          path: updatesJson,
+          fileName: "updates.json",
+        },
+      ];
+      for (const data of configData) {
+        if (fs.existsSync(data.path)) {
+          fs.copyFileSync(data.path, configDir + data.fileName);
+          fs.unlinkSync(data.path);
+        }
+      }
+
+      // `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);
+      }
+    }
+
+    setupCompleted = true;
+  }
+};

app/common/dnd-util.ts

@@ -0,0 +1,60 @@
+import process from "node:process";
+
+import type {z} from "zod";
+
+import type {dndSettingsSchemata} from "./config-schemata.js";
+import * as ConfigUtil from "./config-util.js";
+
+export type DndSettings = {
+  [Key in keyof typeof dndSettingsSchemata]: z.output<
+    (typeof dndSettingsSchemata)[Key]
+  >;
+};
+
+type SettingName = keyof DndSettings;
+
+type Toggle = {
+  dnd: boolean;
+  newSettings: Partial<DndSettings>;
+};
+
+export function toggle(): Toggle {
+  const dnd = !ConfigUtil.getConfigItem("dnd", false);
+  const dndSettingList: SettingName[] = ["showNotification", "silent"];
+  if (process.platform === "win32") {
+    dndSettingList.push("flashTaskbarOnMessage");
+  }
+
+  let newSettings: Partial<DndSettings>;
+  if (dnd) {
+    const oldSettings: Partial<DndSettings> = {};
+    newSettings = {};
+
+    // Iterate through the dndSettingList.
+    for (const settingName of dndSettingList) {
+      // Store the current value of setting.
+      oldSettings[settingName] = ConfigUtil.getConfigItem(
+        settingName,
+        settingName !== "silent",
+      );
+      // New value of setting.
+      newSettings[settingName] = settingName === "silent";
+    }
+
+    // Store old value in oldSettings.
+    ConfigUtil.setConfigItem("dndPreviousSettings", oldSettings);
+  } else {
+    newSettings = ConfigUtil.getConfigItem("dndPreviousSettings", {
+      showNotification: true,
+      silent: false,
+      ...(process.platform === "win32" && {flashTaskbarOnMessage: true}),
+    });
+  }
+
+  for (const settingName of dndSettingList) {
+    ConfigUtil.setConfigItem(settingName, newSettings[settingName]!);
+  }
+
+  ConfigUtil.setConfigItem("dnd", dnd);
+  return {dnd, newSettings};
+}

app/common/enterprise-util.ts

@@ -0,0 +1,94 @@
+import fs from "node:fs";
+import path from "node:path";
+import process from "node:process";
+
+import {z} from "zod";
+
+import {enterpriseConfigSchemata} from "./config-schemata.js";
+import Logger from "./logger-util.js";
+
+type EnterpriseConfig = {
+  [Key in keyof typeof enterpriseConfigSchemata]: z.output<
+    (typeof enterpriseConfigSchemata)[Key]
+  >;
+};
+
+const logger = new Logger({
+  file: "enterprise-util.log",
+});
+
+let enterpriseSettings: Partial<EnterpriseConfig>;
+let configFile: boolean;
+
+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");
+      const data: unknown = JSON.parse(file);
+      enterpriseSettings = z
+        .object(enterpriseConfigSchemata)
+        .partial()
+        .parse(data);
+    } catch (error: unknown) {
+      logger.log("Error while JSON parsing global_config.json: ");
+      logger.log(error);
+    }
+  } else {
+    configFile = false;
+  }
+}
+
+export function hasConfigFile(): boolean {
+  return configFile;
+}
+
+export function getConfigItem<Key extends keyof EnterpriseConfig>(
+  key: Key,
+  defaultValue: EnterpriseConfig[Key],
+): EnterpriseConfig[Key] {
+  reloadDb();
+  if (!configFile) {
+    return defaultValue;
+  }
+
+  const value = enterpriseSettings[key];
+  return value === undefined ? defaultValue : (value as EnterpriseConfig[Key]);
+}
+
+export function configItemExists(key: keyof EnterpriseConfig): 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;
+    }
+  }
+
+  return false;
+}

app/common/html.ts

@@ -0,0 +1,26 @@
+import {htmlEscape} from "escape-goat";
+
+export class Html {
+  html: string;
+
+  constructor({html}: {html: string}) {
+    this.html = html;
+  }
+
+  join(htmls: readonly Html[]): Html {
+    return new Html({html: htmls.map((html) => html.html).join(this.html)});
+  }
+}
+
+export function html(
+  template: TemplateStringsArray,
+  ...values: unknown[]
+): Html {
+  let html = template[0];
+  for (const [index, value] of values.entries()) {
+    html += value instanceof Html ? value.html : htmlEscape(String(value));
+    html += template[index + 1];
+  }
+
+  return new Html({html});
+}

app/common/link-util.ts

@@ -0,0 +1,43 @@
+import {shell} from "electron/common";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+import {html} from "./html.js";
+
+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,
+      html`
+        <!doctype html>
+        <html>
+          <head>
+            <meta charset="UTF-8" />
+            <meta http-equiv="Refresh" content="0; url=${url.href}" />
+            <title>Redirecting</title>
+            <style>
+              html {
+                font-family: menu, "Helvetica Neue", sans-serif;
+              }
+            </style>
+          </head>
+          <body>
+            <p>Opening <a href="${url.href}">${url.href}</a>…</p>
+          </body>
+        </html>
+      `.html,
+    );
+    await shell.openPath(file);
+    setTimeout(() => {
+      fs.unlinkSync(file);
+      fs.rmdirSync(dir);
+    }, 15_000);
+  }
+}

app/common/logger-util.ts

@@ -0,0 +1,90 @@
+import {Console} from "node:console"; // eslint-disable-line n/prefer-global/console
+import fs from "node:fs";
+import os from "node:os";
+import process from "node:process";
+
+import {app} from "zulip:remote";
+
+import {initSetUp} from "./default-util.js";
+
+type LoggerOptions = {
+  file?: string;
+};
+
+initSetUp();
+
+const logDir = `${app.getPath("userData")}/Logs`;
+
+type Level = "log" | "debug" | "info" | "warn" | "error";
+
+export default class Logger {
+  nodeConsole: Console;
+
+  constructor(options: LoggerOptions = {}) {
+    let {file = "console.log"} = options;
+
+    file = `${logDir}/${file}`;
+
+    // Trim log according to type of process
+    if (process.type === "renderer") {
+      requestIdleCallback(async () => this.trimLog(file));
+    } else {
+      process.nextTick(async () => this.trimLog(file));
+    }
+
+    const fileStream = fs.createWriteStream(file, {flags: "a"});
+    const nodeConsole = new Console(fileStream);
+
+    this.nodeConsole = nodeConsole;
+  }
+
+  _log(type: Level, ...args: unknown[]): void {
+    args.unshift(this.getTimestamp() + " |\t");
+    args.unshift(type.toUpperCase() + " |");
+    this.nodeConsole[type](...args);
+    console[type](...args);
+  }
+
+  log(...args: unknown[]): void {
+    this._log("log", ...args);
+  }
+
+  debug(...args: unknown[]): void {
+    this._log("debug", ...args);
+  }
+
+  info(...args: unknown[]): void {
+    this._log("info", ...args);
+  }
+
+  warn(...args: unknown[]): void {
+    this._log("warn", ...args);
+  }
+
+  error(...args: unknown[]): void {
+    this._log("error", ...args);
+  }
+
+  getTimestamp(): string {
+    const date = new Date();
+    const timestamp =
+      `${date.getMonth()}/${date.getDate()} ` +
+      `${date.getMinutes()}:${date.getSeconds()}`;
+    return timestamp;
+  }
+
+  async trimLog(file: string): Promise<void> {
+    const data = await fs.promises.readFile(file, "utf8");
+
+    const maxLogFileLines = 500;
+    const logs = data.split(os.EOL);
+    const logLength = logs.length - 1;
+
+    // Keep bottom maxLogFileLines of each log instance
+    if (logLength > maxLogFileLines) {
+      const trimmedLogs = logs.slice(logLength - maxLogFileLines);
+      const toWrite = trimmedLogs.join(os.EOL);
+      await fs.promises.writeFile(file, toWrite);
+    }
+  }
+}

app/common/messages.ts

@@ -0,0 +1,38 @@
+type DialogBoxError = {
+  title: string;
+  content: string;
+};
+
+export function invalidZulipServerError(domain: string): string {
+  return `${domain} does not appear to be a valid Zulip server. Make sure that
+ • You can connect to that URL in a web browser.
+ • If you need a proxy to connect to the Internet, that you've configured your proxy in the Network settings.
+ • It's a Zulip server. (The oldest supported version is 1.6).
+ • The server has a valid certificate.
+ • The SSL is correctly configured for the certificate. Check out the SSL troubleshooting guide -
+ https://zulip.readthedocs.io/en/stable/production/ssl-certificates.html`;
+}
+
+export function 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.`,
+  };
+}
+
+export function orgRemovalError(url: string): DialogBoxError {
+  return {
+    title: `Removing ${url} is a restricted operation.`,
+    content: "Please contact your system administrator.",
+  };
+}

app/common/paths.ts

@@ -0,0 +1,15 @@
+import path from "node:path";
+import process from "node:process";
+import url from "node:url";
+
+export const bundlePath = __dirname;
+
+export const publicPath = import.meta.env.DEV
+  ? path.join(bundlePath, "../public")
+  : bundlePath;
+
+export const bundleUrl = import.meta.env.DEV
+  ? process.env.VITE_DEV_SERVER_URL
+  : url.pathToFileURL(__dirname).href + "/";
+
+export const publicUrl = bundleUrl;

app/common/translation-util.ts

@@ -0,0 +1,16 @@
+import path from "node:path";
+
+import i18n from "i18n";
+
+import * as ConfigUtil from "./config-util.js";
+import {publicPath} from "./paths.js";
+
+i18n.configure({
+  directory: path.join(publicPath, "translations/"),
+  updateFiles: false,
+});
+
+/* Fetches the current appLocale from settings.json */
+i18n.setLocale(ConfigUtil.getConfigItem("appLanguage", "en") ?? "en");
+
+export {__} from "i18n";

app/common/typed-ipc.ts

@@ -0,0 +1,84 @@
+import type {DndSettings} from "./dnd-util.js";
+import type {MenuProps, ServerConf} from "./types.js";
+
+export type MainMessage = {
+  "clear-app-settings": () => void;
+  "configure-spell-checker": () => void;
+  "fetch-user-agent": () => string;
+  "focus-app": () => void;
+  "focus-this-webview": () => void;
+  "new-clipboard-key": () => {key: Uint8Array; sig: Uint8Array};
+  "permission-callback": (permissionCallbackId: number, grant: boolean) => void;
+  "quit-app": () => void;
+  "realm-icon-changed": (serverURL: string, iconURL: string) => void;
+  "realm-name-changed": (serverURL: string, realmName: string) => void;
+  "reload-full-app": () => void;
+  "save-last-tab": (index: number) => void;
+  "switch-server-tab": (index: number) => void;
+  "toggle-app": () => void;
+  "toggle-badge-option": (newValue: boolean) => void;
+  "toggle-menubar": (showMenubar: boolean) => void;
+  toggleAutoLauncher: (AutoLaunchValue: boolean) => void;
+  "unread-count": (unreadCount: number) => void;
+  "update-badge": (messageCount: number) => void;
+  "update-menu": (props: MenuProps) => void;
+  "update-taskbar-icon": (data: string, text: string) => void;
+};
+
+export type MainCall = {
+  "get-server-settings": (domain: string) => ServerConf;
+  "is-online": (url: string) => boolean;
+  "poll-clipboard": (key: Uint8Array, sig: Uint8Array) => string | undefined;
+  "save-server-icon": (iconURL: string) => string | null;
+};
+
+export type RendererMessage = {
+  back: () => void;
+  "copy-zulip-url": () => void;
+  destroytray: () => void;
+  "enter-fullscreen": () => void;
+  focus: () => void;
+  "focus-webview-with-id": (webviewId: number) => void;
+  forward: () => void;
+  "hard-reload": () => void;
+  "leave-fullscreen": () => void;
+  "log-out": () => void;
+  logout: () => void;
+  "new-server": () => void;
+  "open-about": () => void;
+  "open-help": () => void;
+  "open-network-settings": () => void;
+  "open-org-tab": () => void;
+  "open-settings": () => void;
+  "permission-request": (
+    options: {webContentsId: number | null; origin: string; permission: string},
+    rendererCallbackId: number,
+  ) => void;
+  "play-ding-sound": () => void;
+  "reload-current-viewer": () => void;
+  "reload-proxy": (showAlert: boolean) => void;
+  "reload-viewer": () => void;
+  "render-taskbar-icon": (messageCount: number) => void;
+  "set-active": () => void;
+  "set-idle": () => void;
+  "show-keyboard-shortcuts": () => void;
+  "show-notification-settings": () => void;
+  "switch-server-tab": (index: number) => void;
+  "tab-devtools": () => void;
+  "toggle-autohide-menubar": (
+    autoHideMenubar: boolean,
+    updateMenu: boolean,
+  ) => void;
+  "toggle-dnd": (state: boolean, newSettings: Partial<DndSettings>) => void;
+  "toggle-sidebar": (show: boolean) => void;
+  "toggle-silent": (state: boolean) => void;
+  "toggle-tray": (state: boolean) => void;
+  toggletray: () => void;
+  tray: (arg: number) => void;
+  "update-realm-icon": (serverURL: string, iconURL: string) => void;
+  "update-realm-name": (serverURL: string, realmName: string) => void;
+  "webview-reload": () => void;
+  zoomActualSize: () => void;
+  zoomIn: () => void;
+  zoomOut: () => void;
+};

app/common/types.ts

@@ -0,0 +1,28 @@
+export type MenuProps = {
+  tabs: TabData[];
+  activeTabIndex?: number;
+  enableMenu?: boolean;
+};
+
+export type NavItem =
+  | "General"
+  | "Network"
+  | "AddServer"
+  | "Organizations"
+  | "Shortcuts";
+
+export type ServerConf = {
+  url: string;
+  alias: string;
+  icon: string;
+  zulipVersion: string;
+  zulipFeatureLevel: number;
+};
+
+export type TabRole = "server" | "function";
+
+export type TabData = {
+  role: TabRole;
+  name: string;
+  index: number;
+};

app/main/autoupdater.js

@@ -1,112 +0,0 @@
-'use strict';
-const { app, dialog, shell } = require('electron');
-const { autoUpdater } = require('electron-updater');
-const isDev = require('electron-is-dev');
-
-const ConfigUtil = require('./../renderer/js/utils/config-util.js');
-
-function appUpdater(updateFromMenu = false) {
-	// Don't initiate auto-updates in development
-	if (isDev) {
-		return;
-	}
-
-	if (process.platform === 'linux' && !process.env.APPIMAGE) {
-		const { linuxUpdateNotification } = require('./linuxupdater');
-		linuxUpdateNotification();
-		return;
-	}
-
-	let updateAvailable = false;
-
-	// Create Logs directory
-	const LogsDir = `${app.getPath('userData')}/Logs`;
-
-	// Log whats happening
-	const log = require('electron-log');
-
-	log.transports.file.file = `${LogsDir}/updates.log`;
-	log.transports.file.level = 'info';
-	autoUpdater.logger = log;
-
-	// Handle auto updates for beta/pre releases
-	const isBetaUpdate = ConfigUtil.getConfigItem('betaUpdate');
-
-	autoUpdater.allowPrerelease = isBetaUpdate || false;
-
-	const eventsListenerRemove = ['update-available', 'update-not-available'];
-	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);
-			});
-		}
-	});
-
-	autoUpdater.on('update-not-available', () => {
-		if (updateFromMenu) {
-			dialog.showMessageBox({
-				message: 'No updates available',
-				detail: `You are running the latest version of Zulip Desktop.\nVersion: ${app.getVersion()}`
-			});
-			// 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');
-			dialog.showMessageBox({
-				type: 'error',
-				buttons: ['Manual Download', 'Cancel'],
-				message: messageText,
-				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/');
-				}
-			});
-			// 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
-	// eslint-disable-next-line no-unused-vars
-	autoUpdater.on('update-downloaded', event => {
-		// Ask user to update the app
-		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);
-			}
-		});
-	});
-	// Init for updates
-	autoUpdater.checkForUpdates();
-}
-
-module.exports = {
-	appUpdater
-};

app/main/autoupdater.ts

@@ -0,0 +1,119 @@
+import {shell} from "electron/common";
+import {app, dialog, session} from "electron/main";
+import process from "node:process";
+
+import log from "electron-log";
+import type {UpdateDownloadedEvent, UpdateInfo} from "electron-updater";
+import {autoUpdater} from "electron-updater";
+
+import * as ConfigUtil from "../common/config-util.js";
+
+import {linuxUpdateNotification} from "./linuxupdater.js"; // Required only in case of linux
+
+let quitting = false;
+
+export function shouldQuitForUpdate(): boolean {
+  return quitting;
+}
+
+export async function appUpdater(updateFromMenu = false): Promise<void> {
+  // Don't initiate auto-updates in development
+  if (!app.isPackaged) {
+    return;
+  }
+
+  if (process.platform === "linux" && !process.env.APPIMAGE) {
+    const ses = session.fromPartition("persist:webviewsession");
+    await linuxUpdateNotification(ses);
+    return;
+  }
+
+  let updateAvailable = false;
+
+  // Log what's happening
+  log.transports.file.fileName = "updates.log";
+  log.transports.file.level = "info";
+  autoUpdater.logger = log;
+
+  // Handle auto updates for beta/pre releases
+  const isBetaUpdate = ConfigUtil.getConfigItem("betaUpdate", false);
+
+  autoUpdater.allowPrerelease = isBetaUpdate;
+
+  const eventsListenerRemove = [
+    "update-available",
+    "update-not-available",
+  ] as const;
+  autoUpdater.on("update-available", async (info: UpdateInfo) => {
+    if (updateFromMenu) {
+      updateAvailable = true;
+
+      // This is to prevent removal of 'update-downloaded' and 'error' event listener.
+      for (const event of eventsListenerRemove) {
+        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 () => {
+    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({
+        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();
+
+      const messageText = updateAvailable
+        ? "Unable to download the updates"
+        : "Unable to check for updates";
+      const {response} = await dialog.showMessageBox({
+        type: "error",
+        buttons: ["Manual Download", "Cancel"],
+        message: messageText,
+        detail: `Error: ${error.message}
+
+The latest version of Zulip Desktop is available at -
+https://zulip.com/apps/.
+Current Version: ${app.getVersion()}`,
+      });
+      if (response === 0) {
+        await shell.openExternal("https://zulip.com/apps/");
+      }
+    }
+  });
+
+  // Ask the user if update is available
+  autoUpdater.on("update-downloaded", async (event: UpdateDownloadedEvent) => {
+    // Ask user to update the app
+    const {response} = await 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",
+    });
+    if (response === 0) {
+      quitting = true;
+      autoUpdater.quitAndInstall();
+    }
+  });
+  // Init for updates
+  await autoUpdater.checkForUpdates();
+}

app/main/badge-settings.ts

@@ -0,0 +1,61 @@
+import {nativeImage} from "electron/common";
+import type {BrowserWindow} from "electron/main";
+import {app} from "electron/main";
+import process from "node:process";
+
+import * as ConfigUtil from "../common/config-util.js";
+
+import {send} from "./typed-ipc-main.js";
+
+function showBadgeCount(messageCount: number, mainWindow: BrowserWindow): void {
+  if (process.platform === "win32") {
+    updateOverlayIcon(messageCount, mainWindow);
+  } else {
+    app.badgeCount = messageCount;
+  }
+}
+
+function hideBadgeCount(mainWindow: BrowserWindow): void {
+  if (process.platform === "win32") {
+    mainWindow.setOverlayIcon(null, "");
+  } else {
+    app.badgeCount = 0;
+  }
+}
+
+export function updateBadge(
+  badgeCount: number,
+  mainWindow: BrowserWindow,
+): void {
+  if (ConfigUtil.getConfigItem("badgeOption", true)) {
+    showBadgeCount(badgeCount, mainWindow);
+  } else {
+    hideBadgeCount(mainWindow);
+  }
+}
+
+function updateOverlayIcon(
+  messageCount: number,
+  mainWindow: BrowserWindow,
+): void {
+  if (!mainWindow.isFocused()) {
+    mainWindow.flashFrame(
+      ConfigUtil.getConfigItem("flashTaskbarOnMessage", true),
+    );
+  }
+
+  if (messageCount === 0) {
+    mainWindow.setOverlayIcon(null, "");
+  } else {
+    send(mainWindow.webContents, "render-taskbar-icon", messageCount);
+  }
+}
+
+export function updateTaskbarIcon(
+  data: string,
+  text: string,
+  mainWindow: BrowserWindow,
+): void {
+  const img = nativeImage.createFromDataURL(data);
+  mainWindow.setOverlayIcon(img, text);
+}

app/main/handle-external-link.ts

@@ -0,0 +1,164 @@
+import type {Event} from "electron/common";
+import {shell} from "electron/common";
+import type {
+  HandlerDetails,
+  SaveDialogOptions,
+  WebContents,
+} from "electron/main";
+import {Notification, app} from "electron/main";
+import fs from "node:fs";
+import path from "node:path";
+
+import * as ConfigUtil from "../common/config-util.js";
+import * as LinkUtil from "../common/link-util.js";
+
+import {send} from "./typed-ipc-main.js";
+
+function isUploadsUrl(server: string, url: URL): boolean {
+  return url.origin === server && url.pathname.startsWith("/user_uploads/");
+}
+
+function downloadFile({
+  contents,
+  url,
+  downloadPath,
+  completed,
+  failed,
+}: {
+  contents: WebContents;
+  url: string;
+  downloadPath: string;
+  completed(filePath: string, fileName: string): Promise<void>;
+  failed(state: string): void;
+}) {
+  contents.downloadURL(url);
+  contents.session.once("will-download", async (_event, item) => {
+    if (ConfigUtil.getConfigItem("promptDownload", false)) {
+      const showDialogOptions: SaveDialogOptions = {
+        defaultPath: path.join(downloadPath, item.getFilename()),
+      };
+      item.setSaveDialogOptions(showDialogOptions);
+    } else {
+      const getTimeStamp = (): number => {
+        const date = new Date();
+        return date.getTime();
+      };
+
+      const formatFile = (filePath: string): string => {
+        const fileExtension = path.extname(filePath);
+        const baseName = path.basename(filePath, fileExtension);
+        return `${baseName}-${getTimeStamp()}${fileExtension}`;
+      };
+
+      const filePath = path.join(downloadPath, item.getFilename());
+
+      // Update the name and path of the file if it already exists
+      const updatedFilePath = path.join(downloadPath, formatFile(filePath));
+      const setFilePath: string = fs.existsSync(filePath)
+        ? updatedFilePath
+        : filePath;
+      item.setSavePath(setFilePath);
+    }
+
+    const updatedListener = (_event: Event, state: string): void => {
+      switch (state) {
+        case "interrupted": {
+          // Can interrupted to due to network error, cancel download then
+          console.log(
+            "Download interrupted, cancelling and fallback to dialog download.",
+          );
+          item.cancel();
+          break;
+        }
+
+        case "progressing": {
+          if (item.isPaused()) {
+            item.cancel();
+          }
+
+          // This event can also be used to show progress in percentage in future.
+          break;
+        }
+
+        default: {
+          console.info("Unknown updated state of download item");
+        }
+      }
+    };
+
+    item.on("updated", updatedListener);
+    item.once("done", async (_event, state) => {
+      if (state === "completed") {
+        await completed(item.getSavePath(), path.basename(item.getSavePath()));
+      } else {
+        console.log("Download failed state:", state);
+        failed(state);
+      }
+
+      // To stop item for listening to updated events of this file
+      item.removeListener("updated", updatedListener);
+    });
+  });
+}
+
+export default function handleExternalLink(
+  contents: WebContents,
+  details: HandlerDetails,
+  mainContents: WebContents,
+): void {
+  let url: URL;
+  try {
+    url = new URL(details.url);
+  } catch {
+    return;
+  }
+
+  const downloadPath = ConfigUtil.getConfigItem(
+    "downloadsPath",
+    `${app.getPath("downloads")}`,
+  );
+
+  if (isUploadsUrl(new URL(contents.getURL()).origin, url)) {
+    downloadFile({
+      contents,
+      url: url.href,
+      downloadPath,
+      async completed(filePath: string, fileName: string) {
+        const downloadNotification = new Notification({
+          title: "Download Complete",
+          body: `Click to show ${fileName} in folder`,
+          silent: true, // We'll play our own sound - ding.ogg
+        });
+        downloadNotification.on("click", () => {
+          // Reveal file in download folder
+          shell.showItemInFolder(filePath);
+        });
+        downloadNotification.show();
+
+        // Play sound to indicate download complete
+        if (!ConfigUtil.getConfigItem("silent", false)) {
+          send(mainContents, "play-ding-sound");
+        }
+      },
+      failed(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)) {
+            new Notification({
+              title: "Download Complete",
+              body: "Download failed",
+            }).show();
+          } else {
+            contents.downloadURL(url.href);
+          }
+        }
+      },
+    });
+  } else {
+    (async () => LinkUtil.openBrowser(url))();
+  }
+}

app/main/index.js

@@ -1,367 +0,0 @@
-'use strict';
-const path = require('path');
-const fs = require('fs');
-
-const electron = require('electron');
-const windowStateKeeper = require('electron-window-state');
-const isDev = require('electron-is-dev');
-const appMenu = require('./menu');
-const { appUpdater } = require('./autoupdater');
-
-const { setAutoLaunch } = require('./startup');
-
-const { app, ipcMain } = electron;
-
-const BadgeSettings = require('./../renderer/js/pages/preference/badge-settings.js');
-const ConfigUtil = require('./../renderer/js/utils/config-util.js');
-const ProxyUtil = require('./../renderer/js/utils/proxy-util.js');
-const { sentryInit } = require('./../renderer/js/utils/sentry-util.js');
-
-// 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;
-let badgeCount;
-
-let isQuitting = false;
-
-// Load this url in main window
-const mainURL = 'file://' + path.join(__dirname, '../renderer', 'main.html');
-
-const singleInstanceLock = app.requestSingleInstanceLock();
-if (singleInstanceLock) {
-	app.on('second-instance', () => {
-		if (mainWindow) {
-			if (mainWindow.isMinimized()) {
-				mainWindow.restore();
-			}
-
-			mainWindow.show();
-		}
-	});
-} else {
-	app.quit();
-}
-
-const APP_ICON = path.join(__dirname, '../resources', 'Icon');
-
-const iconPath = () => {
-	return APP_ICON + (process.platform === 'win32' ? '.ico' : '.png');
-};
-
-function createMainWindow() {
-	// Load the previous state with fallback to defaults
-	const mainWindowState = windowStateKeeper({
-		defaultWidth: 1100,
-		defaultHeight: 720,
-		path: `${app.getPath('userData')}/config`
-	});
-
-	// Let's keep the window position global so that we can access it in other process
-	global.mainWindowState = mainWindowState;
-
-	const win = new electron.BrowserWindow({
-		// This settings needs to be saved in config
-		title: 'Zulip',
-		icon: iconPath(),
-		x: mainWindowState.x,
-		y: mainWindowState.y,
-		width: mainWindowState.width,
-		height: mainWindowState.height,
-		minWidth: 300,
-		minHeight: 400,
-		webPreferences: {
-			plugins: true,
-			nodeIntegration: true,
-			partition: 'persist:webviewsession'
-		},
-		show: false
-	});
-
-	win.on('focus', () => {
-		win.webContents.send('focus');
-	});
-
-	win.loadURL(mainURL);
-
-	// Keep the app running in background on close event
-	win.on('close', e => {
-		if (!isQuitting) {
-			e.preventDefault();
-
-			if (process.platform === 'darwin') {
-				app.hide();
-			} else {
-				win.hide();
-			}
-		}
-	});
-
-	win.setTitle('Zulip');
-
-	win.on('enter-full-screen', () => {
-		win.webContents.send('enter-fullscreen');
-	});
-
-	win.on('leave-full-screen', () => {
-		win.webContents.send('leave-fullscreen');
-	});
-
-	//  To destroy tray icon when navigate to a new URL
-	win.webContents.on('will-navigate', e => {
-		if (e) {
-			win.webContents.send('destroytray');
-		}
-	});
-
-	// Let us register listeners on the window, so we can update the state
-	// automatically (the listeners will be removed when the window is closed)
-	// and restore the maximized or full screen state
-	mainWindowState.manage(win);
-
-	return win;
-}
-
-// Decrease load on GPU (experimental)
-app.disableHardwareAcceleration();
-
-// Temporary fix for Electron render colors differently
-// More info here - https://github.com/electron/electron/issues/10732
-app.commandLine.appendSwitch('force-color-profile', 'srgb');
-
-// eslint-disable-next-line max-params
-app.on('certificate-error', (event, webContents, url, error, certificate, callback) => {
-	event.preventDefault();
-	callback(true);
-});
-
-app.on('activate', () => {
-	if (!mainWindow) {
-		mainWindow = createMainWindow();
-	}
-});
-
-app.on('ready', () => {
-	appMenu.setMenu({
-		tabs: []
-	});
-	mainWindow = createMainWindow();
-
-	// Auto-hide menu bar on Windows + Linux
-	if (process.platform !== 'darwin') {
-		const shouldHideMenu = ConfigUtil.getConfigItem('autoHideMenubar') || false;
-		mainWindow.setAutoHideMenuBar(shouldHideMenu);
-		mainWindow.setMenuBarVisibility(!shouldHideMenu);
-	}
-
-	// Initialize sentry for main process
-	const errorReporting = ConfigUtil.getConfigItem('errorReporting');
-	if (errorReporting) {
-		sentryInit();
-	}
-
-	const isSystemProxy = ConfigUtil.getConfigItem('useSystemProxy');
-
-	if (isSystemProxy) {
-		ProxyUtil.resolveSystemProxy(mainWindow);
-	}
-
-	const page = mainWindow.webContents;
-
-	page.on('dom-ready', () => {
-		if (ConfigUtil.getConfigItem('startMinimized')) {
-			mainWindow.hide();
-		} else {
-			mainWindow.show();
-		}
-	});
-
-	page.once('did-frame-finish-load', () => {
-		// Initiate auto-updates on MacOS and Windows
-		if (ConfigUtil.getConfigItem('autoUpdate')) {
-			appUpdater();
-		}
-	});
-
-	// Temporarily remove this event
-	// electron.powerMonitor.on('resume', () => {
-	// 	mainWindow.reload();
-	// 	page.send('destroytray');
-	// });
-
-	ipcMain.on('focus-app', () => {
-		mainWindow.show();
-	});
-
-	ipcMain.on('quit-app', () => {
-		app.quit();
-	});
-
-	// Code to show pdf in a new BrowserWindow (currently commented out due to bug-upstream)
-	// ipcMain.on('pdf-view', (event, url) => {
-	// 	// Paddings for pdfWindow so that it fits into the main browserWindow
-	// 	const paddingWidth = 55;
-	// 	const paddingHeight = 22;
-
-	// 	// Get the config of main browserWindow
-	// 	const mainWindowState = global.mainWindowState;
-
-	// 	// Window to view the pdf file
-	// 	const pdfWindow = new electron.BrowserWindow({
-	// 		x: mainWindowState.x + paddingWidth,
-	// 		y: mainWindowState.y + paddingHeight,
-	// 		width: mainWindowState.width - paddingWidth,
-	// 		height: mainWindowState.height - paddingHeight,
-	// 		webPreferences: {
-	// 			plugins: true,
-	// 			partition: 'persist:webviewsession'
-	// 		}
-	// 	});
-	// 	pdfWindow.loadURL(url);
-
-	// 	// We don't want to have the menu bar in pdf window
-	// 	pdfWindow.setMenu(null);
-	// });
-
-	// Reload full app not just webview, useful in debugging
-	ipcMain.on('reload-full-app', () => {
-		mainWindow.reload();
-		page.send('destroytray');
-	});
-
-	ipcMain.on('clear-app-settings', () => {
-		global.mainWindowState.unmanage(mainWindow);
-		app.relaunch();
-		app.exit();
-	});
-
-	ipcMain.on('toggle-app', () => {
-		if (!mainWindow.isVisible() || mainWindow.isMinimized()) {
-			mainWindow.show();
-		} else {
-			mainWindow.hide();
-		}
-	});
-
-	ipcMain.on('toggle-badge-option', () => {
-		BadgeSettings.updateBadge(badgeCount, mainWindow);
-	});
-
-	ipcMain.on('toggle-menubar', (event, showMenubar) => {
-		mainWindow.setAutoHideMenuBar(showMenubar);
-		mainWindow.setMenuBarVisibility(!showMenubar);
-		page.send('toggle-autohide-menubar', showMenubar, true);
-	});
-
-	ipcMain.on('update-badge', (event, messageCount) => {
-		badgeCount = messageCount;
-		BadgeSettings.updateBadge(badgeCount, mainWindow);
-		page.send('tray', messageCount);
-	});
-
-	ipcMain.on('update-taskbar-icon', (event, data, text) => {
-		BadgeSettings.updateTaskbarIcon(data, text, mainWindow);
-	});
-
-	ipcMain.on('forward-message', (event, listener, ...params) => {
-		page.send(listener, ...params);
-	});
-
-	ipcMain.on('update-menu', (event, props) => {
-		appMenu.setMenu(props);
-		const activeTab = props.tabs[props.activeTabIndex];
-		if (activeTab) {
-			mainWindow.setTitle(`Zulip - ${activeTab.webview.props.name}`);
-		}
-	});
-
-	ipcMain.on('toggleAutoLauncher', (event, AutoLaunchValue) => {
-		setAutoLaunch(AutoLaunchValue);
-	});
-
-	ipcMain.on('downloadFile', (event, url, downloadPath) => {
-		page.downloadURL(url);
-		page.session.once('will-download', (event, item) => {
-			const filePath = path.join(downloadPath, item.getFilename());
-
-			const getTimeStamp = () => {
-				const date = new Date();
-				return date.getTime();
-			};
-
-			const formatFile = filePath => {
-				const fileExtension = path.extname(filePath);
-				const baseName = path.basename(filePath, fileExtension);
-				return `${baseName}-${getTimeStamp()}${fileExtension}`;
-			};
-
-			// Update the name and path of the file if it already exists
-
-			const updatedFilePath = path.join(downloadPath, formatFile(filePath));
-
-			const setFilePath = fs.existsSync(filePath) ? updatedFilePath : filePath;
-
-			item.setSavePath(setFilePath);
-
-			item.on('updated', (event, state) => {
-				switch (state) {
-					case 'interrupted': {
-						// Can interrupted to due to network error, cancel download then
-						console.log('Download interrupted, cancelling and fallback to dialog download.');
-						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.once('done', (event, state) => {
-				const getFileName = fs.existsSync(filePath) ? formatFile(filePath) : item.getFilename();
-				if (state === 'completed') {
-					page.send('downloadFileCompleted', item.getSavePath(), getFileName);
-				} else {
-					console.log('Download failed state: ', state);
-					page.send('downloadFileFailed');
-				}
-				// To stop item for listening to updated events of this file
-				item.removeAllListeners('updated');
-			});
-		});
-	});
-
-	ipcMain.on('realm-name-changed', (event, serverURL, realmName) => {
-		page.send('update-realm-name', serverURL, realmName);
-	});
-
-	ipcMain.on('realm-icon-changed', (event, serverURL, iconURL) => {
-		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 => {
-		event.sender.send('error-reporting-val', errorReporting);
-	});
-});
-
-app.on('before-quit', () => {
-	isQuitting = true;
-});
-
-// Send crash reports
-process.on('uncaughtException', err => {
-	console.error(err);
-	console.error(err.stack);
-});

app/main/index.ts

@@ -0,0 +1,471 @@
+import type {Event} from "electron/common";
+import {clipboard} from "electron/common";
+import type {IpcMainEvent, WebContents} from "electron/main";
+import {
+  BrowserWindow,
+  app,
+  dialog,
+  powerMonitor,
+  session,
+  webContents,
+} from "electron/main";
+import {Buffer} from "node:buffer";
+import crypto from "node:crypto";
+import path from "node:path";
+import process from "node:process";
+
+import * as remoteMain from "@electron/remote/main";
+import windowStateKeeper from "electron-window-state";
+
+import * as ConfigUtil from "../common/config-util.js";
+import {bundlePath, bundleUrl, publicPath} from "../common/paths.js";
+import type {RendererMessage} from "../common/typed-ipc.js";
+import type {MenuProps} from "../common/types.js";
+
+import {appUpdater, shouldQuitForUpdate} from "./autoupdater.js";
+import * as BadgeSettings from "./badge-settings.js";
+import handleExternalLink from "./handle-external-link.js";
+import * as AppMenu from "./menu.js";
+import {_getServerSettings, _isOnline, _saveServerIcon} from "./request.js";
+import {sentryInit} from "./sentry.js";
+import {setAutoLaunch} from "./startup.js";
+import {ipcMain, send} from "./typed-ipc-main.js";
+
+import "gatemaker/electron-setup"; // eslint-disable-line import/no-unassigned-import
+
+// eslint-disable-next-line @typescript-eslint/naming-convention
+const {GDK_BACKEND} = process.env;
+
+// Initialize sentry for main process
+sentryInit();
+
+let mainWindowState: windowStateKeeper.State;
+
+// Prevent window being garbage collected
+let mainWindow: BrowserWindow;
+let badgeCount: number;
+
+let isQuitting = false;
+
+// Load this file in main window
+const mainUrl = new URL("app/renderer/main.html", bundleUrl).href;
+
+const permissionCallbacks = new Map<number, (grant: boolean) => void>();
+let nextPermissionCallbackId = 0;
+
+const appIcon = path.join(publicPath, "resources/Icon");
+
+const iconPath = (): string =>
+  appIcon + (process.platform === "win32" ? ".ico" : ".png");
+
+// Toggle the app window
+const toggleApp = (): void => {
+  if (!mainWindow.isVisible() || mainWindow.isMinimized()) {
+    mainWindow.show();
+  } else {
+    mainWindow.hide();
+  }
+};
+
+function createMainWindow(): BrowserWindow {
+  // Load the previous state with fallback to defaults
+  mainWindowState = windowStateKeeper({
+    defaultWidth: 1100,
+    defaultHeight: 720,
+    path: `${app.getPath("userData")}/config`,
+  });
+
+  const win = new BrowserWindow({
+    // This settings needs to be saved in config
+    title: "Zulip",
+    icon: iconPath(),
+    x: mainWindowState.x,
+    y: mainWindowState.y,
+    width: mainWindowState.width,
+    height: mainWindowState.height,
+    minWidth: 500,
+    minHeight: 400,
+    webPreferences: {
+      preload: path.join(bundlePath, "renderer.js"),
+      sandbox: false,
+      webviewTag: true,
+    },
+    show: false,
+  });
+  remoteMain.enable(win.webContents);
+
+  win.on("focus", () => {
+    send(win.webContents, "focus");
+  });
+
+  (async () => win.loadURL(mainUrl))();
+
+  // Keep the app running in background on close event
+  win.on("close", (event) => {
+    if (ConfigUtil.getConfigItem("quitOnClose", false)) {
+      app.quit();
+    }
+
+    if (!isQuitting && !shouldQuitForUpdate()) {
+      event.preventDefault();
+
+      if (process.platform === "darwin") {
+        app.hide();
+      } else {
+        win.hide();
+      }
+    }
+  });
+
+  win.setTitle("Zulip");
+
+  win.on("enter-full-screen", () => {
+    send(win.webContents, "enter-fullscreen");
+  });
+
+  win.on("leave-full-screen", () => {
+    send(win.webContents, "leave-fullscreen");
+  });
+
+  //  To destroy tray icon when navigate to a new URL
+  win.webContents.on("will-navigate", (event) => {
+    if (event) {
+      send(win.webContents, "destroytray");
+    }
+  });
+
+  // Let us register listeners on the window, so we can update the state
+  // automatically (the listeners will be removed when the window is closed)
+  // and restore the maximized or full screen state
+  mainWindowState.manage(win);
+
+  return win;
+}
+
+(async () => {
+  if (!app.requestSingleInstanceLock()) {
+    app.quit();
+    return;
+  }
+
+  await app.whenReady();
+
+  if (process.env.GDK_BACKEND !== GDK_BACKEND) {
+    console.warn(
+      "Reverting GDK_BACKEND to work around https://github.com/electron/electron/issues/28436",
+    );
+    if (GDK_BACKEND === undefined) {
+      delete process.env.GDK_BACKEND;
+    } else {
+      process.env.GDK_BACKEND = GDK_BACKEND;
+    }
+  }
+
+  // Used for notifications on Windows
+  app.setAppUserModelId("org.zulip.zulip-electron");
+
+  remoteMain.initialize();
+
+  app.on("second-instance", () => {
+    if (mainWindow) {
+      if (mainWindow.isMinimized()) {
+        mainWindow.restore();
+      }
+
+      mainWindow.show();
+    }
+  });
+
+  ipcMain.on(
+    "permission-callback",
+    (event, permissionCallbackId: number, grant: boolean) => {
+      permissionCallbacks.get(permissionCallbackId)?.(grant);
+      permissionCallbacks.delete(permissionCallbackId);
+    },
+  );
+
+  // This event is only available on macOS. Triggers when you click on the dock icon.
+  app.on("activate", () => {
+    mainWindow.show();
+  });
+
+  app.on("web-contents-created", (_event, contents: WebContents) => {
+    contents.setWindowOpenHandler((details) => {
+      handleExternalLink(contents, details, page);
+      return {action: "deny"};
+    });
+  });
+
+  const ses = session.fromPartition("persist:webviewsession");
+  ses.setUserAgent(`ZulipElectron/${app.getVersion()} ${ses.getUserAgent()}`);
+
+  function configureSpellChecker() {
+    const enable = ConfigUtil.getConfigItem("enableSpellchecker", true);
+    if (enable && process.platform !== "darwin") {
+      ses.setSpellCheckerLanguages(
+        ConfigUtil.getConfigItem("spellcheckerLanguages", null) ?? [],
+      );
+    }
+
+    ses.setSpellCheckerEnabled(enable);
+  }
+
+  configureSpellChecker();
+  ipcMain.on("configure-spell-checker", configureSpellChecker);
+
+  const clipboardSigKey = crypto.randomBytes(32);
+
+  ipcMain.on("new-clipboard-key", (event) => {
+    const key = crypto.randomBytes(32);
+    const hmac = crypto.createHmac("sha256", clipboardSigKey);
+    hmac.update(key);
+    event.returnValue = {key, sig: hmac.digest()};
+  });
+
+  ipcMain.handle("poll-clipboard", (event, key, sig) => {
+    // Check that the key was generated here.
+    const hmac = crypto.createHmac("sha256", clipboardSigKey);
+    hmac.update(key);
+    if (!crypto.timingSafeEqual(sig, hmac.digest())) return;
+
+    try {
+      // Check that the data on the clipboard was encrypted to the key.
+      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", key, iv, {
+        authTagLength: 16,
+      });
+      decipher.setAuthTag(authTag);
+      return (
+        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 undefined;
+    }
+  });
+
+  AppMenu.setMenu({
+    tabs: [],
+  });
+  mainWindow = createMainWindow();
+
+  // Auto-hide menu bar on Windows + Linux
+  if (process.platform !== "darwin") {
+    const shouldHideMenu = ConfigUtil.getConfigItem("autoHideMenubar", false);
+    mainWindow.autoHideMenuBar = shouldHideMenu;
+    mainWindow.setMenuBarVisibility(!shouldHideMenu);
+  }
+
+  const page = mainWindow.webContents;
+
+  page.on("dom-ready", () => {
+    if (ConfigUtil.getConfigItem("startMinimized", false)) {
+      mainWindow.hide();
+    } else {
+      mainWindow.show();
+    }
+  });
+
+  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 () => {
+    // Initiate auto-updates on MacOS and Windows
+    if (ConfigUtil.getConfigItem("autoUpdate", true)) {
+      await appUpdater();
+    }
+  });
+
+  app.on(
+    "certificate-error",
+    (
+      event: Event,
+      webContents: WebContents,
+      urlString: string,
+      error: string,
+    ) => {
+      const url = new URL(urlString);
+      dialog.showErrorBox(
+        "Certificate error",
+        `The server presented an invalid certificate for ${url.origin}:
+
+${error}`,
+      );
+    },
+  );
+
+  ses.setPermissionRequestHandler(
+    (webContents, permission, callback, details) => {
+      const {origin} = new URL(details.requestingUrl);
+      const permissionCallbackId = nextPermissionCallbackId++;
+      permissionCallbacks.set(permissionCallbackId, callback);
+      send(
+        page,
+        "permission-request",
+        {
+          webContentsId:
+            webContents.id === mainWindow.webContents.id
+              ? null
+              : webContents.id,
+          origin,
+          permission,
+        },
+        permissionCallbackId,
+      );
+    },
+  );
+
+  // Temporarily remove this event
+  // powerMonitor.on('resume', () => {
+  // 	mainWindow.reload();
+  // 	send(page, 'destroytray');
+  // });
+
+  ipcMain.on("focus-app", () => {
+    mainWindow.show();
+  });
+
+  ipcMain.on("quit-app", () => {
+    app.quit();
+  });
+
+  // Reload full app not just webview, useful in debugging
+  ipcMain.on("reload-full-app", () => {
+    mainWindow.reload();
+    send(page, "destroytray");
+  });
+
+  ipcMain.on("clear-app-settings", () => {
+    mainWindowState.unmanage();
+    app.relaunch();
+    app.exit();
+  });
+
+  ipcMain.on("toggle-app", () => {
+    toggleApp();
+  });
+
+  ipcMain.on("toggle-badge-option", () => {
+    BadgeSettings.updateBadge(badgeCount, mainWindow);
+  });
+
+  ipcMain.on("toggle-menubar", (_event, showMenubar: boolean) => {
+    mainWindow.autoHideMenuBar = showMenubar;
+    mainWindow.setMenuBarVisibility(!showMenubar);
+    send(page, "toggle-autohide-menubar", showMenubar, true);
+  });
+
+  ipcMain.on("update-badge", (_event, messageCount: number) => {
+    badgeCount = messageCount;
+    BadgeSettings.updateBadge(badgeCount, mainWindow);
+    send(page, "tray", messageCount);
+  });
+
+  ipcMain.on("update-taskbar-icon", (_event, data: string, text: string) => {
+    BadgeSettings.updateTaskbarIcon(data, text, mainWindow);
+  });
+
+  ipcMain.on(
+    "forward-message",
+    <Channel extends keyof RendererMessage>(
+      _event: IpcMainEvent,
+      listener: Channel,
+      ...parameters: Parameters<RendererMessage[Channel]>
+    ) => {
+      send(page, listener, ...parameters);
+    },
+  );
+
+  ipcMain.on(
+    "forward-to",
+    <Channel extends keyof RendererMessage>(
+      _event: IpcMainEvent,
+      webContentsId: number,
+      listener: Channel,
+      ...parameters: Parameters<RendererMessage[Channel]>
+    ) => {
+      const contents = webContents.fromId(webContentsId);
+      if (contents !== undefined) {
+        send(contents, listener, ...parameters);
+      }
+    },
+  );
+
+  ipcMain.on("update-menu", (_event, props: MenuProps) => {
+    AppMenu.setMenu(props);
+    if (props.activeTabIndex !== undefined) {
+      const activeTab = props.tabs[props.activeTabIndex];
+      mainWindow.setTitle(`Zulip - ${activeTab.name}`);
+    }
+  });
+
+  ipcMain.on("toggleAutoLauncher", async (_event, AutoLaunchValue: boolean) => {
+    await setAutoLaunch(AutoLaunchValue);
+  });
+
+  ipcMain.on(
+    "realm-name-changed",
+    (_event, serverURL: string, realmName: string) => {
+      send(page, "update-realm-name", serverURL, realmName);
+    },
+  );
+
+  ipcMain.on(
+    "realm-icon-changed",
+    (_event, serverURL: string, iconURL: string) => {
+      send(page, "update-realm-icon", serverURL, iconURL);
+    },
+  );
+
+  ipcMain.on("save-last-tab", (_event, index: number) => {
+    ConfigUtil.setConfigItem("lastActiveTab", index);
+  });
+
+  ipcMain.on("focus-this-webview", (event) => {
+    send(page, "focus-webview-with-id", event.sender.id);
+    mainWindow.show();
+  });
+
+  // Update user idle status for each realm after every 15s
+  const idleCheckInterval = 15 * 1000; // 15 seconds
+  setInterval(() => {
+    // Set user idle if no activity in 1 second (idleThresholdSeconds)
+    const idleThresholdSeconds = 1; // 1 second
+    const idleState = powerMonitor.getSystemIdleState(idleThresholdSeconds);
+    if (idleState === "active") {
+      send(page, "set-active");
+    } else {
+      send(page, "set-idle");
+    }
+  }, idleCheckInterval);
+})();
+
+app.on("before-quit", () => {
+  isQuitting = true;
+});
+
+// Send crash reports
+process.on("uncaughtException", (error) => {
+  console.error(error);
+  console.error(error.stack);
+});

app/main/linux-update-util.ts

@@ -0,0 +1,69 @@
+import {app, dialog} from "electron/main";
+import fs from "node:fs";
+import path from "node:path";
+
+import {JsonDB} from "node-json-db";
+import {DataError} from "node-json-db/dist/lib/Errors";
+
+import Logger from "../common/logger-util.js";
+
+const logger = new Logger({
+  file: "linux-update-util.log",
+});
+
+let db: JsonDB;
+
+reloadDb();
+
+export function getUpdateItem(
+  key: string,
+  defaultValue: true | null = null,
+): true | null {
+  reloadDb();
+  let value: unknown;
+  try {
+    value = db.getObject<unknown>(`/${key}`);
+  } catch (error: unknown) {
+    if (!(error instanceof DataError)) throw error;
+  }
+
+  if (value !== true && value !== null) {
+    setUpdateItem(key, defaultValue);
+    return defaultValue;
+  }
+
+  return value;
+}
+
+export function setUpdateItem(key: string, value: true | null): void {
+  db.push(`/${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: unknown) {
+    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);
+    }
+  }
+
+  db = new JsonDB(linuxUpdateJsonPath, true, true);
+}

app/main/linuxupdater.js

@@ -1,53 +0,0 @@
-const { app } = require('electron');
-const { Notification } = require('electron');
-
-const request = require('request');
-const semver = require('semver');
-const ConfigUtil = require('../renderer/js/utils/config-util');
-const ProxyUtil = require('../renderer/js/utils/proxy-util');
-const LinuxUpdateUtil = require('../renderer/js/utils/linux-update-util');
-const Logger = require('../renderer/js/utils/logger-util');
-
-const logger = new Logger({
-	file: 'linux-update-util.log',
-	timestamp: true
-});
-
-function linuxUpdateNotification() {
-	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');
-
-	const options = {
-		url,
-		headers: {'User-Agent': 'request'},
-		proxy: proxyEnabled ? ProxyUtil.getProxy(url) : '',
-		ecdhCurve: 'auto'
-	};
-
-	request(options, (error, response, body) => {
-		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;
-
-			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);
-		}
-	});
-}
-
-module.exports = {
-	linuxUpdateNotification
-};

app/main/linuxupdater.ts

@@ -0,0 +1,48 @@
+import type {Session} from "electron/main";
+import {Notification, app} from "electron/main";
+
+import * as semver from "semver";
+import {z} from "zod";
+
+import * as ConfigUtil from "../common/config-util.js";
+import Logger from "../common/logger-util.js";
+
+import * as LinuxUpdateUtil from "./linux-update-util.js";
+
+const logger = new Logger({
+  file: "linux-update-util.log",
+});
+
+export async function linuxUpdateNotification(session: Session): Promise<void> {
+  let url = "https://api.github.com/repos/zulip/zulip-desktop/releases";
+  url = ConfigUtil.getConfigItem("betaUpdate", false) ? url : url + "/latest";
+
+  try {
+    const response = await session.fetch(url);
+    if (!response.ok) {
+      logger.log("Linux update response status: ", response.status);
+      return;
+    }
+
+    const data: unknown = await response.json();
+    /* eslint-disable @typescript-eslint/naming-convention */
+    const latestVersion = ConfigUtil.getConfigItem("betaUpdate", false)
+      ? z.array(z.object({tag_name: z.string()})).parse(data)[0].tag_name
+      : z.object({tag_name: z.string()}).parse(data).tag_name;
+    /* eslint-enable @typescript-eslint/naming-convention */
+
+    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);
+      }
+    }
+  } catch (error: unknown) {
+    logger.error("Linux update error.");
+    logger.error(error);
+  }
+}

app/main/menu.js

@@ -1,555 +0,0 @@
-'use strict';
-const path = require('path');
-
-const { app, shell, BrowserWindow, Menu, dialog } = require('electron');
-
-const fs = require('fs-extra');
-const AdmZip = require('adm-zip');
-const { appUpdater } = require('./autoupdater');
-
-const ConfigUtil = require(__dirname + '/../renderer/js/utils/config-util.js');
-const DNDUtil = require(__dirname + '/../renderer/js/utils/dnd-util.js');
-const Logger = require(__dirname + '/../renderer/js/utils/logger-util.js');
-
-const appName = app.getName();
-
-const logger = new Logger({
-	file: 'errors.log',
-	timestamp: true
-});
-
-class AppMenu {
-	getHistorySubmenu() {
-		return [{
-			label: 'Back',
-			accelerator: process.platform === 'darwin' ? 'Command+Left' : 'Alt+Left',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('back');
-				}
-			}
-		}, {
-			label: 'Forward',
-			accelerator: process.platform === 'darwin' ? 'Command+Right' : 'Alt+Right',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('forward');
-				}
-			}
-		}];
-	}
-
-	getToolsSubmenu() {
-		return [{
-			label: `Check for Updates`,
-			click() {
-				AppMenu.checkForUpdate();
-			}
-		},
-		{
-			label: `Release Notes`,
-			click() {
-				shell.openExternal(`https://github.com/zulip/zulip-desktop/releases/tag/v${app.getVersion()}`);
-			}
-		}, {
-			type: 'separator'
-		}, {
-			label: 'Factory Reset',
-			accelerator: process.platform === 'darwin' ? 'Command+Shift+D' : 'Ctrl+Shift+D',
-			click() {
-				AppMenu.resetAppSettings();
-			}
-		}, {
-			label: 'Download App Logs',
-			click() {
-				const zip = new AdmZip();
-				let date = new Date();
-				date = date.toLocaleDateString().replace(/\//g, '-');
-
-				// Create a zip file of all the logs and config data
-				zip.addLocalFolder(`${app.getPath('appData')}/${appName}/Logs`);
-				zip.addLocalFolder(`${app.getPath('appData')}/${appName}/config`);
-
-				// Put the log file in downloads folder
-				const logFilePath = `${app.getPath('downloads')}/Zulip-logs-${date}.zip`;
-				zip.writeZip(logFilePath);
-
-				// Open and select the log file
-				shell.showItemInFolder(logFilePath);
-			}
-		}, {
-			type: 'separator'
-		}, {
-			label: 'Toggle DevTools for Zulip App',
-			accelerator: process.platform === 'darwin' ? 'Alt+Command+I' : 'Ctrl+Shift+I',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					focusedWindow.webContents.toggleDevTools();
-				}
-			}
-		}, {
-			label: 'Toggle DevTools for Active Tab',
-			accelerator: process.platform === 'darwin' ? 'Alt+Command+U' : 'Ctrl+Shift+U',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('tab-devtools');
-				}
-			}
-		}];
-	}
-
-	getViewSubmenu() {
-		return [{
-			label: 'Reload',
-			accelerator: 'CommandOrControl+R',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('reload-current-viewer');
-				}
-			}
-		}, {
-			label: 'Hard Reload',
-			accelerator: 'CommandOrControl+Shift+R',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('hard-reload');
-				}
-			}
-		}, {
-			type: 'separator'
-		}, {
-			role: 'togglefullscreen'
-		}, {
-			label: 'Zoom In',
-			accelerator: process.platform === 'darwin' ? 'Command+Plus' : 'Control+=',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('zoomIn');
-				}
-			}
-		}, {
-			label: 'Zoom Out',
-			accelerator: 'CommandOrControl+-',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('zoomOut');
-				}
-			}
-		}, {
-			label: 'Actual Size',
-			accelerator: 'CommandOrControl+0',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					AppMenu.sendAction('zoomActualSize');
-				}
-			}
-		}, {
-			type: 'separator'
-		}, {
-			label: 'Toggle Tray Icon',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					focusedWindow.webContents.send('toggletray');
-				}
-			}
-		}, {
-			label: 'Toggle Sidebar',
-			accelerator: 'CommandOrControl+Shift+S',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					const newValue = !ConfigUtil.getConfigItem('showSidebar');
-					focusedWindow.webContents.send('toggle-sidebar', newValue);
-					ConfigUtil.setConfigItem('showSidebar', newValue);
-				}
-			}
-		}, {
-			label: 'Auto hide Menu bar',
-			checked: ConfigUtil.getConfigItem('autoHideMenubar', false),
-			visible: process.platform !== 'darwin',
-			click(item, focusedWindow) {
-				if (focusedWindow) {
-					const newValue = !ConfigUtil.getConfigItem('autoHideMenubar');
-					focusedWindow.setAutoHideMenuBar(newValue);
-					focusedWindow.setMenuBarVisibility(!newValue);
-					focusedWindow.webContents.send('toggle-autohide-menubar', newValue);
-					ConfigUtil.setConfigItem('autoHideMenubar', newValue);
-				}
-			},
-			type: 'checkbox'
-		}];
-	}
-
-	getHelpSubmenu() {
-		return [
-			{
-				label: `${appName + ' Desktop'} v${app.getVersion()}`,
-				enabled: false
-			},
-			{
-				label: 'About Zulip',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('open-about');
-					}
-				}
-			},
-			{
-				label: `Help Center`,
-				click(focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('open-help');
-					}
-				}
-			}, {
-				label: 'Report an Issue',
-				click() {
-					// the goal is to notify the main.html BrowserWindow
-					// which may not be the focused window.
-					BrowserWindow.getAllWindows().forEach(window => {
-						window.webContents.send('open-feedback-modal');
-					});
-				}
-			}];
-	}
-
-	getWindowSubmenu(tabs, activeTabIndex) {
-		const initialSubmenu = [{
-			role: 'minimize'
-		}, {
-			role: 'close'
-		}];
-
-		if (tabs.length > 0) {
-			const ShortcutKey = process.platform === 'darwin' ? 'Cmd' : 'Ctrl';
-			initialSubmenu.push({
-				type: 'separator'
-			});
-			for (let i = 0; i < tabs.length; i++) {
-				// Do not add functional tab settings to list of windows in menu bar
-				if (tabs[i].props.role === 'function' && tabs[i].webview.props.name === 'Settings') {
-					continue;
-				}
-
-				initialSubmenu.push({
-					label: tabs[i].webview.props.name,
-					accelerator: tabs[i].props.role === 'function' ? '' : `${ShortcutKey} + ${tabs[i].props.index + 1}`,
-					checked: tabs[i].props.index === activeTabIndex,
-					click(item, focusedWindow) {
-						if (focusedWindow) {
-							AppMenu.sendAction('switch-server-tab', tabs[i].props.index);
-						}
-					},
-					type: 'checkbox'
-				});
-			}
-			initialSubmenu.push({
-				type: 'separator'
-			});
-			initialSubmenu.push({
-				label: 'Switch to Next Organization',
-				accelerator: `Ctrl+Tab`,
-				enabled: tabs[activeTabIndex].props.role === 'server',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('switch-server-tab', AppMenu.getNextServer(tabs, activeTabIndex));
-					}
-				}
-			}, {
-				label: 'Switch to Previous Organization',
-				accelerator: `Ctrl+Shift+Tab`,
-				enabled: tabs[activeTabIndex].props.role === 'server',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('switch-server-tab', AppMenu.getPreviousServer(tabs, activeTabIndex));
-					}
-				}
-			});
-		}
-
-		return initialSubmenu;
-	}
-
-	getDarwinTpl(props) {
-		const { tabs, activeTabIndex, enableMenu } = props;
-
-		return [{
-			label: `${app.getName()}`,
-			submenu: [{
-				label: 'Add Organization',
-				accelerator: 'Cmd+Shift+N',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('new-server');
-					}
-				}
-			}, {
-				label: 'Toggle Do Not Disturb',
-				accelerator: 'Cmd+Shift+M',
-				click() {
-					const dndUtil = DNDUtil.toggle();
-					AppMenu.sendAction('toggle-dnd', dndUtil.dnd, dndUtil.newSettings);
-				}
-			}, {
-				label: 'Desktop Settings',
-				accelerator: 'Cmd+,',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('open-settings');
-					}
-				}
-			}, {
-				label: 'Keyboard Shortcuts',
-				accelerator: 'Cmd+Shift+K',
-				enabled: enableMenu,
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('shortcut');
-					}
-				}
-			}, {
-				type: 'separator'
-			}, {
-				label: 'Copy Zulip URL',
-				accelerator: 'Cmd+Shift+C',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('copy-zulip-url');
-					}
-				}
-			}, {
-				label: 'Log Out of Organization',
-				accelerator: 'Cmd+L',
-				enabled: enableMenu,
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('log-out');
-					}
-				}
-			}, {
-				type: 'separator'
-			}, {
-				role: 'services',
-				submenu: []
-			}, {
-				type: 'separator'
-			}, {
-				role: 'hide'
-			}, {
-				role: 'hideothers'
-			}, {
-				role: 'unhide'
-			}, {
-				type: 'separator'
-			}, {
-				role: 'quit'
-			}]
-		}, {
-			label: 'Edit',
-			submenu: [{
-				role: 'undo'
-			}, {
-				role: 'redo'
-			}, {
-				type: 'separator'
-			}, {
-				role: 'cut'
-			}, {
-				role: 'copy'
-			}, {
-				role: 'paste'
-			}, {
-				role: 'pasteandmatchstyle'
-			}, {
-				role: 'selectall'
-			}]
-		}, {
-			label: 'View',
-			submenu: this.getViewSubmenu()
-		}, {
-			label: 'History',
-			submenu: this.getHistorySubmenu()
-		}, {
-			label: 'Window',
-			submenu: this.getWindowSubmenu(tabs, activeTabIndex)
-		}, {
-			label: 'Tools',
-			submenu: this.getToolsSubmenu()
-		}, {
-			role: 'help',
-			submenu: this.getHelpSubmenu()
-		}];
-	}
-
-	getOtherTpl(props) {
-		const { tabs, activeTabIndex, enableMenu } = props;
-
-		return [{
-			label: '&File',
-			submenu: [{
-				label: 'Add Organization',
-				accelerator: 'Ctrl+Shift+N',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('new-server');
-					}
-				}
-			}, {
-				type: 'separator'
-			}, {
-				label: 'Toggle Do Not Disturb',
-				accelerator: 'Ctrl+Shift+M',
-				click() {
-					const dndUtil = DNDUtil.toggle();
-					AppMenu.sendAction('toggle-dnd', dndUtil.dnd, dndUtil.newSettings);
-				}
-			}, {
-				label: 'Desktop Settings',
-				accelerator: 'Ctrl+,',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('open-settings');
-					}
-				}
-			}, {
-				label: 'Keyboard Shortcuts',
-				accelerator: 'Ctrl+Shift+K',
-				enabled: enableMenu,
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('shortcut');
-					}
-				}
-			}, {
-				type: 'separator'
-			}, {
-				label: 'Copy Zulip URL',
-				accelerator: 'Ctrl+Shift+C',
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('copy-zulip-url');
-					}
-				}
-			}, {
-				label: 'Log Out of Organization',
-				accelerator: 'Ctrl+L',
-				enabled: enableMenu,
-				click(item, focusedWindow) {
-					if (focusedWindow) {
-						AppMenu.sendAction('log-out');
-					}
-				}
-			}, {
-				type: 'separator'
-			}, {
-				role: 'quit',
-				accelerator: 'Ctrl+Q'
-			}]
-		}, {
-			label: '&Edit',
-			submenu: [{
-				role: 'undo'
-			}, {
-				role: 'redo'
-			}, {
-				type: 'separator'
-			}, {
-				role: 'cut'
-			}, {
-				role: 'copy'
-			}, {
-				role: 'paste'
-			}, {
-				role: 'pasteandmatchstyle'
-			}, {
-				type: 'separator'
-			}, {
-				role: 'selectall'
-			}]
-		}, {
-			label: '&View',
-			submenu: this.getViewSubmenu()
-		}, {
-			label: '&History',
-			submenu: this.getHistorySubmenu()
-		}, {
-			label: '&Window',
-			submenu: this.getWindowSubmenu(tabs, activeTabIndex)
-		}, {
-			label: '&Tools',
-			submenu: this.getToolsSubmenu()
-		}, {
-			label: '&Help',
-			role: 'help',
-			submenu: this.getHelpSubmenu()
-		}];
-	}
-
-	static sendAction(action, ...params) {
-		const win = BrowserWindow.getAllWindows()[0];
-
-		if (process.platform === 'darwin') {
-			win.restore();
-		}
-
-		win.webContents.send(action, ...params);
-	}
-
-	static checkForUpdate() {
-		appUpdater(true);
-	}
-
-	static getNextServer(tabs, activeTabIndex) {
-		do {
-			activeTabIndex = (activeTabIndex + 1) % tabs.length;
-		}
-		while (tabs[activeTabIndex].props.role !== 'server');
-		return activeTabIndex;
-	}
-
-	static getPreviousServer(tabs, activeTabIndex) {
-		do {
-			activeTabIndex = (activeTabIndex - 1 + tabs.length) % tabs.length;
-		}
-		while (tabs[activeTabIndex].props.role !== 'server');
-		return activeTabIndex;
-	}
-
-	static resetAppSettings() {
-		const resetAppSettingsMessage = 'By proceeding you will be removing all connected organizations and preferences from Zulip.';
-
-		// We save App's settings/configurations in following files
-		const settingFiles = ['config/window-state.json', 'config/domain.json', 'config/settings.json', 'config/certificates.json'];
-
-		dialog.showMessageBox({
-			type: 'warning',
-			buttons: ['YES', 'NO'],
-			defaultId: 0,
-			message: 'Are you sure?',
-			detail: resetAppSettingsMessage
-		}, response => {
-			if (response === 0) {
-				settingFiles.forEach(settingFileName => {
-					const getSettingFilesPath = path.join(app.getPath('appData'), appName, settingFileName);
-					fs.access(getSettingFilesPath, error => {
-						if (error) {
-							logger.error('Error while resetting app settings.');
-							logger.error(error);
-						} else {
-							fs.unlink(getSettingFilesPath, () => {
-								AppMenu.sendAction('clear-app-data');
-							});
-						}
-					});
-				});
-			}
-		});
-	}
-
-	setMenu(props) {
-		const tpl = process.platform === 'darwin' ? this.getDarwinTpl(props) : this.getOtherTpl(props);
-		const menu = Menu.buildFromTemplate(tpl);
-		Menu.setApplicationMenu(menu);
-	}
-}
-
-module.exports = new AppMenu();

app/main/menu.ts

@@ -0,0 +1,722 @@
+import {shell} from "electron/common";
+import type {MenuItemConstructorOptions} from "electron/main";
+import {BrowserWindow, Menu, app} from "electron/main";
+import process from "node:process";
+
+import AdmZip from "adm-zip";
+
+import * as ConfigUtil from "../common/config-util.js";
+import * as DNDUtil from "../common/dnd-util.js";
+import * as t from "../common/translation-util.js";
+import type {RendererMessage} from "../common/typed-ipc.js";
+import type {MenuProps, TabData} from "../common/types.js";
+
+import {appUpdater} from "./autoupdater.js";
+import {send} from "./typed-ipc-main.js";
+
+const appName = app.name;
+
+function getHistorySubmenu(enableMenu: boolean): MenuItemConstructorOptions[] {
+  return [
+    {
+      label: t.__("Back"),
+      accelerator: process.platform === "darwin" ? "Command+Left" : "Alt+Left",
+      enabled: enableMenu,
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("back");
+        }
+      },
+    },
+    {
+      label: t.__("Forward"),
+      accelerator:
+        process.platform === "darwin" ? "Command+Right" : "Alt+Right",
+      enabled: enableMenu,
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("forward");
+        }
+      },
+    },
+  ];
+}
+
+function getToolsSubmenu(): MenuItemConstructorOptions[] {
+  return [
+    {
+      label: t.__("Check for Updates"),
+      async click() {
+        await checkForUpdate();
+      },
+    },
+    {
+      label: t.__("Release Notes"),
+      async click() {
+        await shell.openExternal(
+          `https://github.com/zulip/zulip-desktop/releases/tag/v${app.getVersion()}`,
+        );
+      },
+    },
+    {
+      type: "separator",
+    },
+    {
+      label: t.__("Download App Logs"),
+      click() {
+        const zip = new AdmZip();
+        const date = new Date();
+        const dateString = date.toLocaleDateString().replaceAll("/", "-");
+
+        // Create a zip file of all the logs and config data
+        zip.addLocalFolder(`${app.getPath("appData")}/${appName}/Logs`);
+        zip.addLocalFolder(`${app.getPath("appData")}/${appName}/config`);
+
+        // Put the log file in downloads folder
+        const logFilePath = `${app.getPath(
+          "downloads",
+        )}/Zulip-logs-${dateString}.zip`;
+        zip.writeZip(logFilePath);
+
+        // Open and select the log file
+        shell.showItemInFolder(logFilePath);
+      },
+    },
+    {
+      type: "separator",
+    },
+    {
+      label: t.__("Toggle DevTools for Zulip App"),
+      accelerator:
+        process.platform === "darwin" ? "Alt+Command+I" : "Ctrl+Shift+I",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          focusedWindow.webContents.openDevTools({mode: "undocked"});
+        }
+      },
+    },
+    {
+      label: t.__("Toggle DevTools for Active Tab"),
+      accelerator:
+        process.platform === "darwin" ? "Alt+Command+U" : "Ctrl+Shift+U",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("tab-devtools");
+        }
+      },
+    },
+  ];
+}
+
+function getViewSubmenu(): MenuItemConstructorOptions[] {
+  return [
+    {
+      label: t.__("Reload"),
+      accelerator: "CommandOrControl+R",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("reload-current-viewer");
+        }
+      },
+    },
+    {
+      label: t.__("Hard Reload"),
+      accelerator: "CommandOrControl+Shift+R",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("hard-reload");
+        }
+      },
+    },
+    {
+      label: t.__("Hard Reload"),
+      visible: false,
+      accelerator: "F5",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("hard-reload");
+        }
+      },
+    },
+    {
+      type: "separator",
+    },
+    {
+      label: t.__("Toggle Full Screen"),
+      role: "togglefullscreen",
+    },
+    {
+      label: t.__("Zoom In"),
+      accelerator: "CommandOrControl+=",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomIn");
+        }
+      },
+    },
+    {
+      label: t.__("Zoom In"),
+      visible: false,
+      accelerator: "CommandOrControl+Plus",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomIn");
+        }
+      },
+    },
+    {
+      label: t.__("Zoom In"),
+      visible: false,
+      accelerator: "CommandOrControl+numadd",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomIn");
+        }
+      },
+    },
+    {
+      label: t.__("Zoom Out"),
+      accelerator: "CommandOrControl+-",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomOut");
+        }
+      },
+    },
+    {
+      label: t.__("Zoom Out"),
+      visible: false,
+      accelerator: "CommandOrControl+numsub",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomOut");
+        }
+      },
+    },
+    {
+      label: t.__("Actual Size"),
+      accelerator: "CommandOrControl+0",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomActualSize");
+        }
+      },
+    },
+    {
+      label: t.__("Actual Size"),
+      visible: false,
+      accelerator: "CommandOrControl+num0",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("zoomActualSize");
+        }
+      },
+    },
+    {
+      type: "separator",
+    },
+    {
+      label: t.__("Toggle Tray Icon"),
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          send(focusedWindow.webContents, "toggletray");
+        }
+      },
+    },
+    {
+      label: t.__("Toggle Sidebar"),
+      accelerator: "CommandOrControl+Shift+S",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          const newValue = !ConfigUtil.getConfigItem("showSidebar", true);
+          send(focusedWindow.webContents, "toggle-sidebar", newValue);
+          ConfigUtil.setConfigItem("showSidebar", newValue);
+        }
+      },
+    },
+    {
+      label: t.__("Auto hide Menu bar"),
+      checked: ConfigUtil.getConfigItem("autoHideMenubar", false),
+      visible: process.platform !== "darwin",
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          const newValue = !ConfigUtil.getConfigItem("autoHideMenubar", false);
+          focusedWindow.autoHideMenuBar = newValue;
+          focusedWindow.setMenuBarVisibility(!newValue);
+          send(
+            focusedWindow.webContents,
+            "toggle-autohide-menubar",
+            newValue,
+            false,
+          );
+          ConfigUtil.setConfigItem("autoHideMenubar", newValue);
+        }
+      },
+      type: "checkbox",
+    },
+  ];
+}
+
+function getHelpSubmenu(): MenuItemConstructorOptions[] {
+  return [
+    {
+      label: `${appName + " Desktop"} v${app.getVersion()}`,
+      enabled: false,
+    },
+    {
+      label: t.__("About Zulip"),
+      click(_item, focusedWindow) {
+        if (focusedWindow) {
+          sendAction("open-about");
+        }
+      },
+    },
+    {
+      label: t.__("Help Center"),
+      click(focusedWindow) {
+        if (focusedWindow) {
+          sendAction("open-help");
+        }
+      },
+    },
+    {
+      label: t.__("Report an Issue"),
+      async click() {
+        await shell.openExternal("https://zulip.com/help/contact-support");
+      },
+    },
+  ];
+}
+
+function getWindowSubmenu(
+  tabs: TabData[],
+  activeTabIndex?: number,
+): MenuItemConstructorOptions[] {
+  const initialSubmenu: MenuItemConstructorOptions[] = [
+    {
+      label: t.__("Minimize"),
+      role: "minimize",
+    },
+    {
+      label: t.__("Close"),
+      role: "close",
+    },
+  ];
+
+  if (tabs.length > 0) {
+    const shortcutKey = process.platform === "darwin" ? "Cmd" : "Ctrl";
+    initialSubmenu.push({
+      type: "separator",
+    });
+    for (const tab of tabs) {
+      // Skip missing elements left by `delete this.tabs[index]` in
+      // ServerManagerView.
+      if (tab === undefined) continue;
+
+      // Do not add functional tab settings to list of windows in menu bar
+      if (tab.role === "function" && tab.name === "Settings") {
+        continue;
+      }
+
+      initialSubmenu.push({
+        label: tab.name,
+        accelerator:
+          tab.role === "function" ? "" : `${shortcutKey} + ${tab.index + 1}`,
+        checked: tab.index === activeTabIndex,
+        click(_item, focusedWindow) {
+          if (focusedWindow) {
+            sendAction("switch-server-tab", tab.index);
+          }
+        },
+        type: "checkbox",
+      });
+    }
+
+    initialSubmenu.push(
+      {
+        type: "separator",
+      },
+      {
+        label: t.__("Switch to Next Organization"),
+        accelerator: "Ctrl+Tab",
+        enabled: tabs.length > 1,
+        click(_item, focusedWindow) {
+          if (focusedWindow) {
+            sendAction(
+              "switch-server-tab",
+              getNextServer(tabs, activeTabIndex!),
+            );
+          }
+        },
+      },
+      {
+        label: t.__("Switch to Previous Organization"),
+        accelerator: "Ctrl+Shift+Tab",
+        enabled: tabs.length > 1,
+        click(_item, focusedWindow) {
+          if (focusedWindow) {
+            sendAction(
+              "switch-server-tab",
+              getPreviousServer(tabs, activeTabIndex!),
+            );
+          }
+        },
+      },
+    );
+  }
+
+  return initialSubmenu;
+}
+
+function getDarwinTpl(props: MenuProps): MenuItemConstructorOptions[] {
+  const {tabs, activeTabIndex, enableMenu = false} = props;
+
+  return [
+    {
+      label: app.name,
+      submenu: [
+        {
+          label: t.__("Add Organization"),
+          accelerator: "Cmd+Shift+N",
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("new-server");
+            }
+          },
+        },
+        {
+          label: t.__("Toggle Do Not Disturb"),
+          accelerator: "Cmd+Shift+M",
+          click() {
+            const dndUtil = DNDUtil.toggle();
+            sendAction("toggle-dnd", dndUtil.dnd, dndUtil.newSettings);
+          },
+        },
+        {
+          label: t.__("Desktop Settings"),
+          accelerator: "Cmd+,",
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("open-settings");
+            }
+          },
+        },
+        {
+          label: t.__("Keyboard Shortcuts"),
+          accelerator: "Cmd+Shift+K",
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("show-keyboard-shortcuts");
+            }
+          },
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Copy Zulip URL"),
+          accelerator: "Cmd+Shift+C",
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("copy-zulip-url");
+            }
+          },
+        },
+        {
+          label: t.__("Log Out of Organization"),
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("log-out");
+            }
+          },
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Services"),
+          role: "services",
+          submenu: [],
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Hide"),
+          role: "hide",
+        },
+        {
+          label: t.__("Hide Others"),
+          role: "hideOthers",
+        },
+        {
+          label: t.__("Unhide"),
+          role: "unhide",
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Minimize"),
+          role: "minimize",
+        },
+        {
+          label: t.__("Close"),
+          role: "close",
+        },
+        {
+          label: t.__("Quit"),
+          role: "quit",
+        },
+      ],
+    },
+    {
+      label: t.__("Edit"),
+      submenu: [
+        {
+          label: t.__("Undo"),
+          role: "undo",
+        },
+        {
+          label: t.__("Redo"),
+          role: "redo",
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Cut"),
+          role: "cut",
+        },
+        {
+          label: t.__("Copy"),
+          role: "copy",
+        },
+        {
+          label: t.__("Paste"),
+          role: "paste",
+        },
+        {
+          label: t.__("Paste and Match Style"),
+          role: "pasteAndMatchStyle",
+        },
+        {
+          label: t.__("Select All"),
+          role: "selectAll",
+        },
+      ],
+    },
+    {
+      label: t.__("View"),
+      submenu: getViewSubmenu(),
+    },
+    {
+      label: t.__("History"),
+      submenu: getHistorySubmenu(enableMenu),
+    },
+    {
+      label: t.__("Window"),
+      submenu: getWindowSubmenu(tabs, activeTabIndex),
+    },
+    {
+      label: t.__("Tools"),
+      submenu: getToolsSubmenu(),
+    },
+    {
+      label: t.__("Help"),
+      role: "help",
+      submenu: getHelpSubmenu(),
+    },
+  ];
+}
+
+function getOtherTpl(props: MenuProps): MenuItemConstructorOptions[] {
+  const {tabs, activeTabIndex, enableMenu = false} = props;
+  return [
+    {
+      label: t.__("File"),
+      submenu: [
+        {
+          label: t.__("Add Organization"),
+          accelerator: "Ctrl+Shift+N",
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("new-server");
+            }
+          },
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Toggle Do Not Disturb"),
+          accelerator: "Ctrl+Shift+M",
+          click() {
+            const dndUtil = DNDUtil.toggle();
+            sendAction("toggle-dnd", dndUtil.dnd, dndUtil.newSettings);
+          },
+        },
+        {
+          label: t.__("Desktop Settings"),
+          accelerator: "Ctrl+,",
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("open-settings");
+            }
+          },
+        },
+        {
+          label: t.__("Keyboard Shortcuts"),
+          accelerator: "Ctrl+Shift+K",
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("show-keyboard-shortcuts");
+            }
+          },
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Copy Zulip URL"),
+          accelerator: "Ctrl+Shift+C",
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("copy-zulip-url");
+            }
+          },
+        },
+        {
+          label: t.__("Log Out of Organization"),
+          enabled: enableMenu,
+          click(_item, focusedWindow) {
+            if (focusedWindow) {
+              sendAction("log-out");
+            }
+          },
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Minimize"),
+          role: "minimize",
+        },
+        {
+          label: t.__("Close"),
+          role: "close",
+        },
+        {
+          label: t.__("Quit"),
+          role: "quit",
+          accelerator: "Ctrl+Q",
+        },
+      ],
+    },
+    {
+      label: t.__("Edit"),
+      submenu: [
+        {
+          label: t.__("Undo"),
+          role: "undo",
+        },
+        {
+          label: t.__("Redo"),
+          role: "redo",
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Cut"),
+          role: "cut",
+        },
+        {
+          label: t.__("Copy"),
+          role: "copy",
+        },
+        {
+          label: t.__("Paste"),
+          role: "paste",
+        },
+        {
+          label: t.__("Paste and Match Style"),
+          role: "pasteAndMatchStyle",
+        },
+        {
+          type: "separator",
+        },
+        {
+          label: t.__("Select All"),
+          role: "selectAll",
+        },
+      ],
+    },
+    {
+      label: t.__("View"),
+      submenu: getViewSubmenu(),
+    },
+    {
+      label: t.__("History"),
+      submenu: getHistorySubmenu(enableMenu),
+    },
+    {
+      label: t.__("Window"),
+      submenu: getWindowSubmenu(tabs, activeTabIndex),
+    },
+    {
+      label: t.__("Tools"),
+      submenu: getToolsSubmenu(),
+    },
+    {
+      label: t.__("Help"),
+      role: "help",
+      submenu: getHelpSubmenu(),
+    },
+  ];
+}
+
+function sendAction<Channel extends keyof RendererMessage>(
+  channel: Channel,
+  ...args: Parameters<RendererMessage[Channel]>
+): void {
+  const win = BrowserWindow.getAllWindows()[0];
+
+  if (process.platform === "darwin") {
+    win.restore();
+  }
+
+  send(win.webContents, channel, ...args);
+}
+
+async function checkForUpdate(): Promise<void> {
+  await appUpdater(true);
+}
+
+function getNextServer(tabs: TabData[], activeTabIndex: number): number {
+  do {
+    activeTabIndex = (activeTabIndex + 1) % tabs.length;
+  } while (tabs[activeTabIndex]?.role !== "server");
+
+  return activeTabIndex;
+}
+
+function getPreviousServer(tabs: TabData[], activeTabIndex: number): number {
+  do {
+    activeTabIndex = (activeTabIndex - 1 + tabs.length) % tabs.length;
+  } while (tabs[activeTabIndex]?.role !== "server");
+
+  return activeTabIndex;
+}
+
+export function setMenu(props: MenuProps): void {
+  const tpl =
+    process.platform === "darwin" ? getDarwinTpl(props) : getOtherTpl(props);
+  const menu = Menu.buildFromTemplate(tpl);
+  Menu.setApplicationMenu(menu);
+}

app/main/request.ts

@@ -0,0 +1,122 @@
+import type {Session} from "electron/main";
+import {app} from "electron/main";
+import fs from "node:fs";
+import path from "node:path";
+import {Readable} from "node:stream";
+import {pipeline} from "node:stream/promises";
+import type {ReadableStream} from "node:stream/web";
+
+import * as Sentry from "@sentry/electron";
+import {z} from "zod";
+
+import Logger from "../common/logger-util.js";
+import * as Messages from "../common/messages.js";
+import type {ServerConf} from "../common/types.js";
+
+/* Request: domain-util */
+
+const logger = new Logger({
+  file: "domain-util.log",
+});
+
+const generateFilePath = (url: string): string => {
+  const dir = `${app.getPath("userData")}/server-icons`;
+  const extension = path.extname(url).split("?")[0];
+
+  let hash = 5381;
+  let {length} = url;
+
+  while (length) {
+    // eslint-disable-next-line no-bitwise, unicorn/prefer-code-point
+    hash = (hash * 33) ^ url.charCodeAt(--length);
+  }
+
+  // Create 'server-icons' directory if not existed
+  if (!fs.existsSync(dir)) {
+    fs.mkdirSync(dir);
+  }
+
+  // eslint-disable-next-line no-bitwise
+  return `${dir}/${hash >>> 0}${extension}`;
+};
+
+export const _getServerSettings = async (
+  domain: string,
+  session: Session,
+): Promise<ServerConf> => {
+  const response = await session.fetch(domain + "/api/v1/server_settings");
+  if (!response.ok) {
+    throw new Error(Messages.invalidZulipServerError(domain));
+  }
+
+  const data: unknown = await response.json();
+  /* eslint-disable @typescript-eslint/naming-convention */
+  const {
+    realm_name,
+    realm_uri,
+    realm_icon,
+    zulip_version,
+    zulip_feature_level,
+  } = z
+    .object({
+      realm_name: z.string(),
+      realm_uri: z.string().url(),
+      realm_icon: z.string(),
+      zulip_version: z.string().default("unknown"),
+      zulip_feature_level: z.number().default(0),
+    })
+    .parse(data);
+  /* eslint-enable @typescript-eslint/naming-convention */
+
+  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: realm_name,
+    zulipVersion: zulip_version,
+    zulipFeatureLevel: zulip_feature_level,
+  };
+};
+
+export const _saveServerIcon = async (
+  url: string,
+  session: Session,
+): Promise<string | null> => {
+  try {
+    const response = await session.fetch(url);
+    if (!response.ok) {
+      logger.log("Could not get server icon.");
+      return null;
+    }
+
+    const filePath = generateFilePath(url);
+    await pipeline(
+      Readable.fromWeb(response.body as ReadableStream<Uint8Array>),
+      fs.createWriteStream(filePath),
+    );
+    return filePath;
+  } catch (error: unknown) {
+    logger.log("Could not get server icon.");
+    logger.log(error);
+    Sentry.captureException(error);
+    return null;
+  }
+};
+
+/* Request: reconnect-util */
+
+export const _isOnline = async (
+  url: string,
+  session: Session,
+): Promise<boolean> => {
+  try {
+    const response = await session.fetch(`${url}/api/v1/server_settings`, {
+      method: "HEAD",
+    });
+    return response.ok;
+  } catch (error: unknown) {
+    logger.log(error);
+    return false;
+  }
+};

app/main/sentry.ts

@@ -0,0 +1,22 @@
+import {app} from "electron/main";
+
+import * as Sentry from "@sentry/electron/main";
+
+import {getConfigItem} from "../common/config-util.js";
+
+export const sentryInit = (): void => {
+  Sentry.init({
+    dsn: "https://628dc2f2864243a08ead72e63f94c7b1@o48127.ingest.sentry.io/204668",
+
+    // Don't report errors in development or if disabled by the user.
+    beforeSend: (event) =>
+      app.isPackaged && getConfigItem("errorReporting", true) ? event : null,
+
+    // 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
+  });
+};

app/main/startup.js

@@ -1,34 +0,0 @@
-'use strict';
-const { app } = require('electron');
-const AutoLaunch = require('auto-launch');
-const isDev = require('electron-is-dev');
-const ConfigUtil = require('./../renderer/js/utils/config-util.js');
-
-const setAutoLaunch = AutoLaunchValue => {
-	// 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);
-
-	if (autoLaunchOption) {
-		ZulipAutoLauncher.enable();
-	} else {
-		ZulipAutoLauncher.disable();
-	}
-};
-
-module.exports = {
-	setAutoLaunch
-};

app/main/startup.ts

@@ -0,0 +1,36 @@
+import {app} from "electron/main";
+import process from "node:process";
+
+import AutoLaunch from "auto-launch";
+
+import * as ConfigUtil from "../common/config-util.js";
+
+export const setAutoLaunch = async (
+  AutoLaunchValue: boolean,
+): Promise<void> => {
+  // Don't run this in development
+  if (!app.isPackaged) {
+    return;
+  }
+
+  const autoLaunchOption = ConfigUtil.getConfigItem(
+    "startAtLogin",
+    AutoLaunchValue,
+  );
+
+  // `setLoginItemSettings` doesn't support linux
+  if (process.platform === "linux") {
+    const zulipAutoLauncher = new AutoLaunch({
+      name: "Zulip",
+      isHidden: false,
+    });
+    await (autoLaunchOption
+      ? zulipAutoLauncher.enable()
+      : zulipAutoLauncher.disable());
+  } else {
+    app.setLoginItemSettings({
+      openAtLogin: autoLaunchOption,
+      openAsHidden: false,
+    });
+  }
+};

app/main/typed-ipc-main.ts

@@ -0,0 +1,84 @@
+import type {
+  IpcMainEvent,
+  IpcMainInvokeEvent,
+  WebContents,
+} from "electron/main";
+import {
+  ipcMain as untypedIpcMain, // eslint-disable-line no-restricted-imports
+} from "electron/main";
+
+import type {
+  MainCall,
+  MainMessage,
+  RendererMessage,
+} from "../common/typed-ipc.js";
+
+type MainListener<Channel extends keyof MainMessage> =
+  MainMessage[Channel] extends (...args: infer Args) => infer Return
+    ? (event: IpcMainEvent & {returnValue: Return}, ...args: Args) => void
+    : never;
+
+type MainHandler<Channel extends keyof MainCall> = MainCall[Channel] extends (
+  ...args: infer Args
+) => infer Return
+  ? (event: IpcMainInvokeEvent, ...args: Args) => Return | Promise<Return>
+  : never;
+
+export const ipcMain: {
+  on(
+    channel: "forward-message",
+    listener: <Channel extends keyof RendererMessage>(
+      event: IpcMainEvent,
+      channel: Channel,
+      ...args: Parameters<RendererMessage[Channel]>
+    ) => void,
+  ): void;
+  on(
+    channel: "forward-to",
+    listener: <Channel extends keyof RendererMessage>(
+      event: IpcMainEvent,
+      webContentsId: number,
+      channel: Channel,
+      ...args: Parameters<RendererMessage[Channel]>
+    ) => void,
+  ): void;
+  on<Channel extends keyof MainMessage>(
+    channel: Channel,
+    listener: MainListener<Channel>,
+  ): void;
+  once<Channel extends keyof MainMessage>(
+    channel: Channel,
+    listener: MainListener<Channel>,
+  ): void;
+  removeListener<Channel extends keyof MainMessage>(
+    channel: Channel,
+    listener: MainListener<Channel>,
+  ): void;
+  removeAllListeners(channel?: keyof MainMessage): void;
+  handle<Channel extends keyof MainCall>(
+    channel: Channel,
+    handler: MainHandler<Channel>,
+  ): void;
+  handleOnce<Channel extends keyof MainCall>(
+    channel: Channel,
+    handler: MainHandler<Channel>,
+  ): void;
+  removeHandler(channel: keyof MainCall): void;
+} = untypedIpcMain;
+
+export function send<Channel extends keyof RendererMessage>(
+  contents: WebContents,
+  channel: Channel,
+  ...args: Parameters<RendererMessage[Channel]>
+): void {
+  contents.send(channel, ...args);
+}
+
+export function sendToFrame<Channel extends keyof RendererMessage>(
+  contents: WebContents,
+  frameId: number | [number, number],
+  channel: Channel,
+  ...args: Parameters<RendererMessage[Channel]>
+): void {
+  contents.sendToFrame(frameId, channel, ...args);
+}

app/package.json

@@ -1,48 +0,0 @@
-{
-  "name": "zulip",
-  "productName": "Zulip",
-  "version": "3.0.0",
-  "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",
-    "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",
-    "is-online": "7.0.0",
-    "node-json-db": "0.9.1",
-    "request": "2.85.0",
-    "semver": "5.4.1",
-    "wurl": "2.5.0"
-  },
-  "optionalDependencies": {
-    "node-mac-notifier": "1.1.0"
-  }
-}

app/renderer/about.html

@@ -1,47 +1,26 @@
-<!DOCTYPE html>
-<html lang="en">
+<!doctype html>
+<meta charset="UTF-8" />
+<link rel="stylesheet" href="css/about.css" />
 
-    <head>
-        <meta charset="UTF-8">
-        <link rel="stylesheet" href="css/about.css">
-        <title>Zulip - About</title>
-    </head>
-
-    <body>
-        <div class="about">
-            <img class="logo" src="../resources/zulip.png" />
-            <p class="detail" id="version">v?.?.?</p>
-            <div class="maintenance-info">
-                <p class="detail maintainer">
-                    Maintained by
-                    <a onclick="linkInBrowser('website')">Zulip</a>
-                </p>
-                <p class="detail license">
-                    Available under the
-                    <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>
-</html>
+<!-- Initially hidden to prevent FOUC -->
+<div class="about" hidden>
+  <img class="logo" src="../resources/zulip.png" />
+  <p class="detail" id="version"></p>
+  <div class="maintenance-info">
+    <p class="detail maintainer">
+      Maintained by
+      <a href="https://zulip.com" target="_blank" rel="noopener noreferrer"
+        >Zulip</a
+      >
+    </p>
+    <p class="detail license">
+      Available under the
+      <a
+        href="https://github.com/zulip/zulip-desktop/blob/main/LICENSE"
+        target="_blank"
+        rel="noopener noreferrer"
+        >Apache 2.0 License</a
+      >
+    </p>
+  </div>
+</div>

app/renderer/css/about.css

@@ -1,66 +1,69 @@
-body {
-    background: rgba(250, 250, 250, 1.000);
-    font-family: menu, "Helvetica Neue", sans-serif;
-    -webkit-font-smoothing: subpixel-antialiased;
+:host {
+  contain: strict;
+  display: flow-root;
+  background: rgb(250 250 250 / 100%);
+  font-family: menu, "Helvetica Neue", sans-serif;
+  -webkit-font-smoothing: subpixel-antialiased;
 }
 
 .logo {
-    display: block;
-    margin: -40px auto;
+  display: block;
+  margin: -40px auto;
 }
 
 #version {
-    color: rgba(68, 67, 67, 1.000);
-    font-size: 1.3em;
-    padding-top: 40px;
+  color: rgb(68 67 67 / 100%);
+  font-size: 1.3em;
+  padding-top: 40px;
 }
 
 .about {
-    margin: 25vh auto;
-    height: 25vh;
-    text-align: center;
+  display: block !important;
+  margin: 25vh auto;
+  height: 25vh;
+  text-align: center;
 }
 
 .about p {
-    font-size: 20px;
-    color: rgba(0, 0, 0, 0.62);
+  font-size: 20px;
+  color: rgb(0 0 0 / 62%);
 }
 
 .about img {
-    width: 150px;
+  width: 150px;
 }
 
 .detail {
-    text-align: center;
+  text-align: center;
 }
 
 .detail.maintainer {
-    font-size: 1.2em;
-    font-weight: 500;
+  font-size: 1.2em;
+  font-weight: 500;
 }
 
 .detail.license {
-    font-size: 0.8em;
+  font-size: 0.8em;
 }
 
 .maintenance-info {
-    cursor: pointer;
-    position: absolute;
-    width: 100%;
-    left: 0px;
-    color: rgba(68, 68, 68, 1.000);
+  cursor: pointer;
+  position: absolute;
+  width: 100%;
+  left: 0;
+  color: rgb(68 68 68 / 100%);
 }
 
 .maintenance-info p {
-    margin: 0;
-    font-size: 1em;
-    width: 100%;
+  margin: 0;
+  font-size: 1em;
+  width: 100%;
 }
 
 p.detail a {
-    color: rgba(53, 95, 76, 1.000);
+  color: rgb(53 95 76 / 100%);
 }
 
 p.detail a:hover {
-    text-decoration: underline;
+  text-decoration: underline;
 }

app/renderer/css/feedback.css

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

app/renderer/css/fonts.css

@@ -0,0 +1,14 @@
+@font-face {
+  font-family: "Material Icons";
+  font-style: normal;
+  font-weight: 400;
+  src:
+    local("Material Icons"),
+    local("MaterialIcons-Regular"),
+    url("../fonts/MaterialIcons-Regular.ttf") format("truetype");
+}
+
+@font-face {
+  font-family: Montserrat;
+  src: url("../fonts/Montserrat-Regular.ttf") format("truetype");
+}

app/renderer/css/main.css

@@ -4,280 +4,275 @@
 
 html,
 body {
-    height: 100%;
-    margin: 0;
-    cursor: default;
-    user-select: none;
+  height: 100%;
+  margin: 0;
+  cursor: default;
+  user-select: none;
 }
 
 #content {
-    display: flex;
-    height: 100%;
+  display: flex;
+  height: 100%;
 }
 
 .toggle-sidebar {
-    background: rgba(34, 44, 49, 1.000);
-    width: 54px;
-    padding: 27px 0 20px 0;
-    justify-content: space-between;
-    display: flex;
-    flex-direction: column;
-    -webkit-app-region: drag;
-    overflow: hidden;
-    transition: all 0.5s ease;
-    z-index: 2;
+  background: rgb(34 44 49 / 100%);
+  width: 54px;
+  padding: 27px 0 20px;
+  justify-content: space-between;
+  display: flex;
+  flex-direction: column;
+  -webkit-app-region: drag;
+  overflow: hidden;
+  transition: all 0.5s ease;
+  z-index: 2;
 }
 
 .toggle-sidebar div {
-    transition: all 0.5s ease-out;
+  transition: all 0.5s ease-out;
 }
 
 .sidebar-hide {
-    width: 0;
-    transition: all 0.8s ease;
+  width: 0;
+  transition: all 0.8s ease;
 }
 
 .sidebar-hide div {
-    transform: translateX(-100%);
-    transition: all 0.6s ease-out;
+  transform: translateX(-100%);
+  transition: all 0.6s ease-out;
 }
 
 #view-controls-container {
-    height: calc(100% - 208px);
-    overflow-y: hidden;
-}
-
-#view-controls-container:hover {
-    overflow-y: overlay;
+  height: calc(100% - 208px);
+  scrollbar-gutter: stable both-edges;
+  overflow-y: hidden;
 }
 
 #view-controls-container::-webkit-scrollbar {
-    width: 4px;
+  width: 4px;
 }
 
 #view-controls-container::-webkit-scrollbar-track {
-    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
+  background-color: rgb(0 0 0 / 30%);
 }
 
 #view-controls-container::-webkit-scrollbar-thumb {
-    background-color: rgba(169, 169, 169, 1.000);
-    outline: 1px solid rgba(169, 169, 169, 1.000);
+  background-color: rgb(169 169 169 / 100%);
 }
 
-@font-face {
-    font-family: 'Material Icons';
-    font-style: normal;
-    font-weight: 400;
-    src: local('Material Icons'), local('MaterialIcons-Regular'), url(../fonts/MaterialIcons-Regular.ttf) format('truetype');
+#view-controls-container:hover {
+  overflow-y: scroll;
 }
 
-
 /*******************
   *   Left Sidebar  *
   *******************/
 
 #tabs-container {
-    display: flex;
-    align-items: center;
-    flex-direction: column;
+  display: flex;
+  align-items: center;
+  flex-direction: column;
 }
 
 .material-icons {
-    font-family: 'Material Icons';
-    font-weight: normal;
-    font-style: normal;
-    /* Preferred icon size */
-    font-size: 24px;
-    display: inline-block;
-    line-height: 1;
-    text-transform: none;
-    letter-spacing: normal;
-    word-wrap: normal;
-    white-space: nowrap;
-    direction: ltr;
-    /* Support for all WebKit browsers. */
-    -webkit-font-smoothing: antialiased;
-    /* Support for Safari and Chrome. */
-    text-rendering: optimizeLegibility;
+  font-family: "Material Icons";
+  font-weight: normal;
+  font-style: normal;
+
+  /* Preferred icon size */
+  font-size: 24px;
+  display: inline-block;
+  line-height: 1;
+  text-transform: none;
+  letter-spacing: normal;
+  word-wrap: normal;
+  white-space: nowrap;
+  direction: ltr;
+
+  /* Support for all WebKit browsers. */
+  -webkit-font-smoothing: antialiased;
+
+  /* Support for Safari and Chrome. */
+  text-rendering: optimizelegibility;
 }
 
 #actions-container {
-    display: flex;
-    flex-direction: column;
-    position: fixed;
-    bottom: 0;
+  display: flex;
+  flex-direction: column;
+  position: fixed;
+  bottom: 0;
 }
 
 .action-button {
-    display: flex;
-    flex-direction: column;
-    padding: 12px;
+  display: flex;
+  flex-direction: column;
+  padding: 12px;
 }
 
 .action-button:hover {
-    cursor: pointer;
+  cursor: pointer;
 }
 
 .action-button i {
-    color: rgba(108, 133, 146, 1.000);
-    font-size: 28px;
+  color: rgb(108 133 146 / 100%);
+  font-size: 28px;
 }
 
 .action-button:hover i {
-    color: rgba(152, 169, 179, 1.000);
-}
-
-.action-button.disable {
-    opacity: 0.6;
-}
-
-.action-button.disable:hover {
-    cursor: not-allowed;
-}
-
-.action-button.disable:hover i {
-    color: rgba(108, 133, 146, 1.000);
+  color: rgb(152 169 179 / 100%);
 }
 
 .action-button.active {
-    /* background-color: rgba(255, 255, 255, 0.25); */
-    background-color: rgba(239, 239, 239, 1.000);
-    opacity: 0.9;
-    padding-right: 14px;
+  /* background-color: rgba(255, 255, 255, 0.25); */
+  background-color: rgb(239 239 239 / 100%);
+  opacity: 0.9;
+  padding-right: 14px;
 }
 
 .action-button.active i {
-    color: rgba(28, 38, 43, 1.000);
+  color: rgb(28 38 43 / 100%);
 }
 
-.tab:first-child {
-    margin-top: 9px;
+.action-button.disable {
+  opacity: 0.6;
+}
+
+.action-button.disable:hover {
+  cursor: not-allowed;
+}
+
+.action-button.disable:hover i {
+  color: rgb(108 133 146 / 100%);
 }
 
 .tab {
-    position: relative;
-    margin: 2px 0;
-    cursor: pointer;
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    width: 100%;
+  position: relative;
+  margin: 2px 0;
+  cursor: pointer;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  width: 100%;
+}
+
+.tab:first-child {
+  margin-top: 9px;
 }
 
 .tab .server-icons {
-    width: 35px;
-    vertical-align: top;
-    border-radius: 4px;
+  width: 35px;
+  vertical-align: top;
+  border-radius: 4px;
 }
 
 .tab .server-tab {
-    width: 100%;
-    height: 35px;
-    position: relative;
-    margin-top: 5px;
-    z-index: 11;
-    line-height: 31px;
-    color: rgba(238, 238, 238, 1.000);
-    text-align: center;
-    overflow: hidden;
-    opacity: 0.6;
-    padding: 6px 0;
+  width: 100%;
+  height: 35px;
+  position: relative;
+  margin-top: 5px;
+  z-index: 11;
+  line-height: 31px;
+  color: rgb(238 238 238 / 100%);
+  text-align: center;
+  overflow: hidden;
+  opacity: 0.6;
+  padding: 6px 0;
 }
 
 .server-tab .alt-icon {
-    font-family: Verdana;
-    font-weight: 600;
-    font-size: 22px;
-    border: 2px solid rgba(34, 44, 49, 1.000);
-    margin-left: 17%;
-    width: 35px;
-    border-radius: 4px;
+  font-family: Verdana, sans-serif;
+  font-weight: 600;
+  font-size: 22px;
+  border: 2px solid rgb(34 44 49 / 100%);
+  margin-left: 17%;
+  width: 35px;
+  border-radius: 4px;
 }
 
 .tab .server-tab:hover {
-    opacity: 0.8;
-}
-
-.tab.functional-tab {
-    height: 46px;
-    padding: 0;
-}
-
-.tab.functional-tab.active .server-tab {
-    padding: 2px 0;
-    height: 40px;
-    background-color: rgba(255, 255, 255, 0.25);
-}
-
-.tab.functional-tab .server-tab i {
-    font-size: 28px;
-    line-height: 36px;
+  opacity: 0.8;
 }
 
 .tab.active .server-tab {
-    opacity: 1;
-    background-color: rgba(100, 132, 120, 1.000);
+  opacity: 1;
+  background-color: rgb(100 132 120 / 100%);
+}
+
+.tab.functional-tab {
+  height: 46px;
+  padding: 0;
+}
+
+.tab.functional-tab.active .server-tab {
+  padding: 2px 0;
+  height: 40px;
+  background-color: rgb(255 255 255 / 25%);
+}
+
+.tab.functional-tab .server-tab i {
+  font-size: 28px;
+  line-height: 36px;
 }
 
 .tab .server-tab-badge.active {
-    border-radius: 9px;
-    min-width: 11px;
-    padding: 0 3px;
-    height: 17px;
-    background-color: rgba(244, 67, 54, 1.000);
-    font-size: 10px;
-    font-family: sans-serif;
-    position: absolute;
-    right: 5px;
-    z-index: 15;
-    top: 6px;
-    float: right;
-    color: rgba(255, 255, 255, 1.000);
-    text-align: center;
-    line-height: 17px;
-    display: block;
-    right: 0;
+  border-radius: 9px;
+  min-width: 11px;
+  padding: 0 3px;
+  height: 17px;
+  background-color: rgb(244 67 54 / 100%);
+  font-size: 10px;
+  font-family: sans-serif;
+  position: absolute;
+  z-index: 15;
+  top: 6px;
+  float: right;
+  color: rgb(255 255 255 / 100%);
+  text-align: center;
+  line-height: 17px;
+  display: block;
+  right: 0;
 }
 
 .tab .server-tab-badge {
-    display: none;
+  display: none;
 }
 
 .tab .server-tab-badge.close-button {
-    width: 16px;
-    padding: 0;
+  width: 16px;
+  padding: 0;
 }
 
 .tab .server-tab-badge.close-button i {
-    font-size: 13px;
-    line-height: 17px;
+  font-size: 13px;
+  line-height: 17px;
 }
 
 #add-tab {
-    display: flex;
-    align-items: center;
-    flex-direction: column;
+  display: flex;
+  align-items: center;
+  flex-direction: column;
 }
 
 .tab .server-tab-shortcut {
-    color: rgba(100, 132, 120, 1.000);
-    font-size: 12px;
-    text-align: center;
-    font-family: sans-serif;
-    margin-bottom: 5px;
+  color: rgb(100 132 120 / 100%);
+  font-size: 12px;
+  text-align: center;
+  font-family: sans-serif;
+  margin-bottom: 5px;
 }
 
 .refresh {
-    animation: rotate-loader 1s linear infinite;
+  animation: rotate-loader 1s linear infinite;
 }
 
 @keyframes rotate-loader {
-    from {
-        transform: rotate(0);
-    }
-    to {
-        transform: rotate(-360deg);
-    }
+  from {
+    transform: rotate(0);
+  }
+
+  to {
+    transform: rotate(-360deg);
+  }
 }
 
 /*******************
@@ -285,57 +280,81 @@ body {
   *******************/
 
 #webviews-container {
-    display: flex;
-    height: 100%;
-    width: 100%;
+  display: flex;
+  height: 100%;
+  width: 100%;
 }
 
 /* Pseudo element for loading indicator */
 #webviews-container::before {
-    content: "";
-    position: absolute;
-    z-index: 1;
-    background: rgba(255, 255, 255, 1.000) url(../img/ic_loading.gif) no-repeat;
-    background-size: 60px 60px;
-    background-position: center;
-    width: 100%;
-    height: 100%;
+  content: "";
+  position: absolute;
+  z-index: 1;
+
+  /* Spinner is released under loading.io free License: https://loading.io/license/#free-license */
+  background: rgb(255 255 255 / 100%) url("../img/ic_loading.svg") no-repeat;
+  background-size: 60px 60px;
+  background-position: center;
+  width: 100%;
+  height: 100%;
 }
 
 /* When the active webview is loaded */
 #webviews-container.loaded::before {
-    opacity: 0;
-    z-index: -1;
-    visibility: hidden;
+  z-index: -1;
+  visibility: hidden;
 }
 
-webview {
-    /* transition: opacity 0.3s ease-in; */
-    flex-grow: 1;
-    position: absolute;
-    width: 100%;
-    height: 100%;
-    flex-grow: 1;
-    display: flex;
-    flex-direction: column;
+.webview-pane,
+.functional-view {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  flex-grow: 1;
+  visibility: hidden;
 }
 
-webview.onload {
-    transition: opacity 1s cubic-bezier(0.95, 0.05, 0.795, 0.035);
+.webview-pane {
+  display: flex;
+  flex-direction: column;
 }
 
-webview.active {
-    opacity: 1;
-    z-index: 1;
-    visibility: visible;
+.webview-pane > webview {
+  flex: 1;
 }
 
-webview.disabled {
-    opacity: 0;
+.webview-pane.active,
+.functional-view.active {
+  z-index: 1;
+  visibility: visible;
 }
 
 webview.focus {
-    outline: 0px solid transparent;
+  outline: 0 solid transparent;
+}
+
+.webview-unsupported {
+  background: rgb(254 243 199);
+  border: 1px solid rgb(253 230 138);
+  color: rgb(69 26 3);
+  font-family: system-ui;
+  font-size: 14px;
+  display: flex;
+}
+
+.webview-unsupported[hidden] {
+  display: none;
+}
+
+.webview-unsupported-message {
+  padding: 0.3em;
+  flex: 1;
+  text-align: center;
+}
+
+.webview-unsupported-dismiss {
+  padding: 0.3em;
+  cursor: pointer;
 }
 
 /* Tooltip styling */
@@ -345,18 +364,18 @@ webview.focus {
 #back-tooltip,
 #reload-tooltip,
 #setting-tooltip {
-    font-family: sans-serif;
-    background: rgba(34, 44, 49, 1.000);
-    margin-left: 48px;
-    padding: 6px 8px;
-    position: absolute;
-    margin-top: 0px;
-    z-index: 1000;
-    color: rgba(255, 255, 255, 1.000);
-    border-radius: 4px;
-    text-align: center;
-    width: 55px;
-    font-size: 14px;
+  font-family: sans-serif;
+  background: rgb(34 44 49 / 100%);
+  margin-left: 48px;
+  padding: 6px 8px;
+  position: absolute;
+  margin-top: 0;
+  z-index: 1000;
+  color: rgb(255 255 255 / 100%);
+  border-radius: 4px;
+  text-align: center;
+  width: 55px;
+  font-size: 14px;
 }
 
 #loading-tooltip::after,
@@ -364,127 +383,104 @@ webview.focus {
 #back-tooltip::after,
 #reload-tooltip::after,
 #setting-tooltip::after {
-    content: " ";
-    border-top: 8px solid transparent;
-    border-bottom: 8px solid transparent;
-    border-right: 8px solid rgba(34, 44, 49, 1.000);
-    position: absolute;
-    top: 7px;
-    right: 68px;
+  content: " ";
+  border-top: 8px solid transparent;
+  border-bottom: 8px solid transparent;
+  border-right: 8px solid rgb(34 44 49 / 100%);
+  position: absolute;
+  top: 7px;
+  right: 68px;
 }
 
 #add-server-tooltip,
 .server-tooltip {
-    font-family: 'arial';
-    background: rgba(34, 44, 49, 1.000);
-    left: 56px;
-    padding: 10px 20px;
-    position: fixed;
-    margin-top: 11px;
-    z-index: 5000 !important;
-    color: rgba(255, 255, 255, 1.000);
-    border-radius: 4px;
-    text-align: center;
-    width: max-content;
-    font-size: 14px;
+  font-family: arial, sans-serif;
+  background: rgb(34 44 49 / 100%);
+  left: 56px;
+  padding: 10px 20px;
+  position: fixed;
+  margin-top: 11px;
+  z-index: 5000 !important;
+  color: rgb(255 255 255 / 100%);
+  border-radius: 4px;
+  text-align: center;
+  width: max-content;
+  font-size: 14px;
 }
 
 #add-server-tooltip::after,
 .server-tooltip::after {
-    content: " ";
-    border-top: 8px solid transparent;
-    border-bottom: 8px solid transparent;
-    border-right: 8px solid rgba(34, 44, 49, 1.000);
-    position: absolute;
-    top: 10px;
-    left: -5px;
+  content: " ";
+  border-top: 8px solid transparent;
+  border-bottom: 8px solid transparent;
+  border-right: 8px solid rgb(34 44 49 / 100%);
+  position: absolute;
+  top: 10px;
+  left: -5px;
 }
 
 #collapse-button {
-    bottom: 30px;
-    left: 20px;
-    position: absolute;
-    width: 24px;
-    height: 24px;
-    background: rgba(34, 44, 49, 1.000);
-    border-radius: 20px;
-    cursor: pointer;
-    box-shadow: rgba(153, 153, 153, 1.000) 1px 1px;
+  bottom: 30px;
+  left: 20px;
+  position: absolute;
+  width: 24px;
+  height: 24px;
+  background: rgb(34 44 49 / 100%);
+  border-radius: 20px;
+  cursor: pointer;
+  box-shadow: rgb(153 153 153 / 100%) 1px 1px;
 }
 
 #collapse-button i {
-    color: rgba(239, 239, 239, 1.000);
+  color: rgb(239 239 239 / 100%);
 }
 
 #main-container {
-    display: flex;
-    height: 100%;
-    width: 100%;
-    position: relative;
-    flex-grow: 1;
-    flex-basis: 0px;
+  display: flex;
+  height: 100%;
+  width: 100%;
+  position: relative;
+  flex-grow: 1;
+  flex-basis: 0;
 }
 
 .hidden {
-    display: none !important;
+  display: none !important;
 }
 
-
 /* Full screen Popup container  */
 
 .popup .popuptext {
-    visibility: hidden;
-    background-color: rgba(85, 85, 85, 1.000);
-    color: rgba(255, 255, 255, 1.000);
-    text-align: center;
-    border-radius: 6px;
-    padding: 9px 0;
-    position: absolute;
-    z-index: 1000;
-    font-family: arial;
-    width: 240px;
-    top: 15px;
-    height: 20px;
-    left: 43%;
+  visibility: hidden;
+  background-color: rgb(85 85 85 / 100%);
+  color: rgb(255 255 255 / 100%);
+  text-align: center;
+  border-radius: 6px;
+  padding: 9px 0;
+  position: absolute;
+  z-index: 1000;
+  font-family: arial, sans-serif;
+  width: 240px;
+  top: 15px;
+  height: 20px;
+  left: 43%;
 }
 
 .popup .show {
-    visibility: visible;
-    animation: cssAnimation 0s ease-in 5s forwards;
-    animation-fill-mode: forwards;
+  visibility: visible;
+  animation: full-screen-popup 0s ease-in 1s forwards;
+  animation-fill-mode: forwards;
 }
 
-@keyframes cssAnimation {
-    from {
-        opacity: 0;
-    }
-    to {
-        width: 0;
-        height: 0;
-        overflow: hidden;
-        opacity: 1;
-    }
-}
+@keyframes full-screen-popup {
+  from {
+    opacity: 0;
+  }
 
-send-feedback {
-    width: 60%;
-    height: 85%;
-}
-
-#feedback-modal {
-    display: none;
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    background-color: rgba(68, 67, 67, 0.81);
-    align-items: center;
-    justify-content: center;
-    z-index: 2;
-    transition: all 1s ease-out;
-}
-
-#feedback-modal.show {
-    display: flex;
+  to {
+    width: 0;
+    height: 0;
+    overflow: hidden;
+    opacity: 1;
+  }
 }

app/renderer/css/network.css

@@ -1,43 +1,59 @@
 html,
 body {
-    margin: 0;
-    cursor: default;
-    font-size: 14px;
-    color: rgba(51, 51, 51, 1.000);
-    background: rgba(255, 255, 255, 1.000);
-    user-select: none;
+  margin: 0;
+  cursor: default;
+  font-size: 14px;
+  color: rgb(51 51 51 / 100%);
+  background: rgb(255 255 255 / 100%);
+  user-select: none;
 }
 
 #content {
-    display: flex;
-    flex-direction: column;
-    font-family: "Trebuchet MS", Helvetica, sans-serif;
-    margin: 100px 200px;
-    text-align: center;
+  display: flex;
+  flex-direction: column;
+  font-family: "Trebuchet MS", Helvetica, sans-serif;
+  margin: 100px 200px;
+  text-align: center;
 }
 
 #title {
-    font-size: 24px;
-    font-weight: bold;
-    margin: 20px 0;
+  text-align: left;
+  font-size: 24px;
+  font-weight: bold;
+  margin: 20px 0;
+}
+
+#subtitle {
+  font-size: 20px;
+  text-align: left;
+  margin: 12px 0;
 }
 
 #description {
-    font-size: 16px;
+  text-align: left;
+  font-size: 16px;
+  list-style-position: inside;
 }
 
 #reconnect {
-    font-size: 16px;
-    background: rgba(0, 150, 136, 1.000);
-    color: rgba(255, 255, 255, 1.000);
-    width: 84px;
-    height: 32px;
-    border-radius: 5px;
-    line-height: 32px;
-    margin: 20px auto 0;
-    cursor: pointer;
+  float: left;
 }
 
-#reconnect:hover {
-    opacity: 0.8;
-}
+#settings {
+  margin-left: 116px;
+}
+
+.button {
+  font-size: 16px;
+  background: rgb(0 150 136 / 100%);
+  color: rgb(255 255 255 / 100%);
+  width: 96px;
+  height: 32px;
+  border-radius: 5px;
+  line-height: 32px;
+  cursor: pointer;
+}
+
+.button:hover {
+  opacity: 0.8;
+}

app/renderer/css/preload.css

@@ -1,9 +1,9 @@
 /* Override css rules */
 
 .portico-wrap > .header {
-    display: none;
+  display: none;
 }
 
 .portico-container > .footer {
-    display: none;
-}
+  display: none;
+}

app/renderer/img/ic_loading.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="margin: auto; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0%; display: block; shape-rendering: auto; animation-play-state: running; animation-delay: 0s;" width="150px" height="150px" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid">
+<circle cx="50" cy="50" fill="none" stroke="#759ed4" stroke-width="10" r="42" stroke-dasharray="197.92033717615698 67.97344572538566" style="animation-play-state: running; animation-delay: 0s;">
+  <animateTransform attributeName="transform" type="rotate" repeatCount="indefinite" dur="1s" values="0 50 50;360 50 50" keyTimes="0;1" style="animation-play-state: running; animation-delay: 0s;"></animateTransform>
+</circle>
+<!-- Created with loading.io (https://loading.io/spinner/rolling/-bar-circle-curve-round-rotate) -->
+<!-- "The Rolling spinner is released under loading.io free License." (https://loading.io/license/#free-license) -->
+</svg>

app/renderer/js/clipboard-decrypter.ts

@@ -0,0 +1,67 @@
+import {ipcRenderer} from "./typed-ipc-renderer.js";
+
+// 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 type ClipboardDecrypter = {
+  version: number;
+  key: Uint8Array;
+  pasted: Promise<string>;
+};
+
+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;
+    const {key, sig} = ipcRenderer.sendSync("new-clipboard-key");
+    this.key = key;
+    this.pasted = new Promise((resolve) => {
+      let interval: NodeJS.Timeout | null = null;
+      const startPolling = () => {
+        if (interval === null) {
+          interval = setInterval(poll, 1000);
+        }
+
+        void poll();
+      };
+
+      const stopPolling = () => {
+        if (interval !== null) {
+          clearInterval(interval);
+          interval = null;
+        }
+      };
+
+      const poll = async () => {
+        const plaintext = await ipcRenderer.invoke("poll-clipboard", key, sig);
+        if (plaintext === undefined) 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.js

@@ -1,11 +0,0 @@
-'use strict';
-
-class BaseComponent {
-	generateNodeFromTemplate(template) {
-		const wrapper = document.createElement('div');
-		wrapper.innerHTML = template;
-		return wrapper.firstElementChild;
-	}
-}
-
-module.exports = BaseComponent;

app/renderer/js/components/base.ts

@@ -0,0 +1,12 @@
+import type {Html} from "../../../common/html.js";
+
+export function generateNodeFromHtml(html: Html): Element {
+  const wrapper = document.createElement("div");
+  wrapper.innerHTML = html.html;
+
+  if (wrapper.firstElementChild === null) {
+    throw new Error("No element found in HTML");
+  }
+
+  return wrapper.firstElementChild;
+}

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

@@ -0,0 +1,150 @@
+import type {Event} from "electron/common";
+import {clipboard} from "electron/common";
+import type {WebContents} from "electron/main";
+import type {
+  ContextMenuParams,
+  MenuItemConstructorOptions,
+} from "electron/renderer";
+import process from "node:process";
+
+import {Menu} from "@electron/remote";
+
+import * as t from "../../../common/translation-util.js";
+
+export const contextMenu = (
+  webContents: WebContents,
+  event: Event,
+  props: ContextMenuParams,
+) => {
+  const isText = props.selectionText !== "";
+  const isLink = props.linkURL !== "";
+  const linkUrl = isLink ? new URL(props.linkURL) : undefined;
+
+  const makeSuggestion = (suggestion: string) => ({
+    label: suggestion,
+    visible: true,
+    async click() {
+      await webContents.insertText(suggestion);
+    },
+  });
+
+  let menuTemplate: 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:
+        linkUrl?.protocol === "mailto:"
+          ? t.__("Copy Email Address")
+          : t.__("Copy Link"),
+      visible: isLink,
+      click(_item) {
+        clipboard.write({
+          bookmark: props.linkText,
+          text:
+            linkUrl?.protocol === "mailto:" ? 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: MenuItemConstructorOptions[] =
+        props.dictionarySuggestions.map((suggestion: string) =>
+          makeSuggestion(suggestion),
+        );
+      menuTemplate = [...suggestions, ...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 menu items. 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.js

@@ -1,44 +0,0 @@
-'use strict';
-
-const Tab = require(__dirname + '/../components/tab.js');
-
-class FunctionalTab extends Tab {
-	template() {
-		return `<div class="tab functional-tab" data-tab-id="${this.props.tabIndex}">
-					<div class="server-tab-badge close-button">
-						<i class="material-icons">close</i>
-					</div>
-					<div class="server-tab">
-						<i class="material-icons">${this.props.materialIcon}</i>
-					</div>
-				</div>`;
-	}
-
-	init() {
-		this.$el = this.generateNodeFromTemplate(this.template());
-		if (this.props.name !== 'Settings') {
-			this.props.$root.appendChild(this.$el);
-			this.$closeButton = this.$el.getElementsByClassName('server-tab-badge')[0];
-			this.registerListeners();
-		}
-	}
-
-	registerListeners() {
-		super.registerListeners();
-
-		this.$el.addEventListener('mouseover', () => {
-			this.$closeButton.classList.add('active');
-		});
-
-		this.$el.addEventListener('mouseout', () => {
-			this.$closeButton.classList.remove('active');
-		});
-
-		this.$closeButton.addEventListener('click', e => {
-			this.props.onDestroy();
-			e.stopPropagation();
-		});
-	}
-}
-
-module.exports = FunctionalTab;

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

@@ -0,0 +1,73 @@
+import type {Html} from "../../../common/html.js";
+import {html} from "../../../common/html.js";
+
+import {generateNodeFromHtml} from "./base.js";
+import type {TabProps} from "./tab.js";
+import Tab from "./tab.js";
+
+export type FunctionalTabProps = {
+  $view: Element;
+} & TabProps;
+
+export default class FunctionalTab extends Tab {
+  $view: Element;
+  $el: Element;
+  $closeButton?: Element;
+
+  constructor({$view, ...props}: FunctionalTabProps) {
+    super(props);
+
+    this.$view = $view;
+    this.$el = generateNodeFromHtml(this.templateHtml());
+    if (this.props.name !== "Settings") {
+      this.props.$root.append(this.$el);
+      this.$closeButton = this.$el.querySelector(".server-tab-badge")!;
+      this.registerListeners();
+    }
+  }
+
+  override async activate(): Promise<void> {
+    await super.activate();
+    this.$view.classList.add("active");
+  }
+
+  override async deactivate(): Promise<void> {
+    await super.deactivate();
+    this.$view.classList.remove("active");
+  }
+
+  override async destroy(): Promise<void> {
+    await super.destroy();
+    this.$view.remove();
+  }
+
+  templateHtml(): Html {
+    return html`
+      <div class="tab functional-tab" data-tab-id="${this.props.tabIndex}">
+        <div class="server-tab-badge close-button">
+          <i class="material-icons">close</i>
+        </div>
+        <div class="server-tab">
+          <i class="material-icons">${this.props.materialIcon}</i>
+        </div>
+      </div>
+    `;
+  }
+
+  override registerListeners(): void {
+    super.registerListeners();
+
+    this.$el.addEventListener("mouseover", () => {
+      this.$closeButton?.classList.add("active");
+    });
+
+    this.$el.addEventListener("mouseout", () => {
+      this.$closeButton?.classList.remove("active");
+    });
+
+    this.$closeButton?.addEventListener("click", (event) => {
+      this.props.onDestroy?.();
+      event.stopPropagation();
+    });
+  }
+}

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

@@ -1,80 +0,0 @@
-const { ipcRenderer } = require('electron');
-const { shell, app } = require('electron').remote;
-const LinkUtil = require('../utils/link-util');
-const DomainUtil = require('../utils/domain-util');
-const ConfigUtil = require('../utils/config-util');
-
-const dingSound = new Audio('../resources/sounds/ding.ogg');
-
-function handleExternalLink(event) {
-	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);
-
-	// Whitelist URLs which are allowed to be opened in the app
-	const {
-		isInternalUrl: isWhiteListURL,
-		isUploadsUrl: isUploadsURL
-	} = LinkUtil.isInternal(domainPrefix, url);
-
-	if (isWhiteListURL) {
-		event.preventDefault();
-
-		// 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;
-		// }
-
-		// 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, filePath, fileName) => {
-				const downloadNotification = new Notification('Download Complete', {
-					body: shouldShowInFolder ? `Click to show ${fileName} in folder` : `Click to open ${fileName}`,
-					silent: true // We'll play our own sound - ding.ogg
-				});
-
-				// Play sound to indicate download complete
-				if (!ConfigUtil.getConfigItem('silent')) {
-					dingSound.play();
-				}
-
-				downloadNotification.onclick = () => {
-					if (shouldShowInFolder) {
-						// Reveal file in download folder
-						shell.showItemInFolder(filePath);
-					} else {
-						// Open file in the default native app
-						shell.openItem(filePath);
-					}
-				};
-				ipcRenderer.removeAllListeners('downloadFileFailed');
-			});
-
-			ipcRenderer.once('downloadFileFailed', () => {
-				// Automatic download failed, so show save dialog prompt and download
-				// through webview
-				this.$el.downloadURL(url);
-				ipcRenderer.removeAllListeners('downloadFileCompleted');
-			});
-			return;
-		}
-
-		// open internal urls inside the current webview.
-		this.$el.loadURL(url);
-	} else {
-		event.preventDefault();
-		shell.openExternal(url);
-	}
-}
-
-module.exports = handleExternalLink;

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

@@ -1,60 +0,0 @@
-'use strict';
-
-const Tab = require(__dirname + '/../components/tab.js');
-const SystemUtil = require(__dirname + '/../utils/system-util.js');
-
-const {ipcRenderer} = require('electron');
-
-class ServerTab extends Tab {
-	template() {
-		return `<div class="tab" data-tab-id="${this.props.tabIndex}">
-					<div class="server-tooltip" style="display:none">${this.props.name}</div>
-					<div class="server-tab-badge"></div>
-					<div class="server-tab">
-					<img class="server-icons" src='${this.props.icon}'/>
-					</div>
-					<div class="server-tab-shortcut">${this.generateShortcutText()}</div>
-				</div>`;
-	}
-
-	init() {
-		super.init();
-
-		this.$badge = this.$el.getElementsByClassName('server-tab-badge')[0];
-	}
-
-	updateBadge(count) {
-		if (count > 0) {
-			const formattedCount = count > 999 ? '1K+' : count;
-
-			this.$badge.innerHTML = formattedCount;
-			this.$badge.classList.add('active');
-		} else {
-			this.$badge.classList.remove('active');
-		}
-	}
-
-	generateShortcutText() {
-		// Only provide shortcuts for server [0..10]
-		if (this.props.index >= 10) {
-			return '';
-		}
-
-		const shownIndex = this.props.index + 1;
-
-		let shortcutText = '';
-
-		if (SystemUtil.getOS() === 'Mac') {
-			shortcutText = `⌘ ${shownIndex}`;
-		} else {
-			shortcutText = `Ctrl+${shownIndex}`;
-		}
-
-		// Array index == Shown index - 1
-		ipcRenderer.send('switch-server-tab', shownIndex - 1);
-
-		return shortcutText;
-	}
-}
-
-module.exports = ServerTab;

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

@@ -0,0 +1,95 @@
+import process from "node:process";
+
+import type {Html} from "../../../common/html.js";
+import {html} from "../../../common/html.js";
+import {ipcRenderer} from "../typed-ipc-renderer.js";
+
+import {generateNodeFromHtml} from "./base.js";
+import type {TabProps} from "./tab.js";
+import Tab from "./tab.js";
+import type WebView from "./webview.js";
+
+export type ServerTabProps = {
+  webview: Promise<WebView>;
+} & TabProps;
+
+export default class ServerTab extends Tab {
+  webview: Promise<WebView>;
+  $el: Element;
+  $name: Element;
+  $icon: HTMLImageElement;
+  $badge: Element;
+
+  constructor({webview, ...props}: ServerTabProps) {
+    super(props);
+
+    this.webview = webview;
+    this.$el = generateNodeFromHtml(this.templateHtml());
+    this.props.$root.append(this.$el);
+    this.registerListeners();
+    this.$name = this.$el.querySelector(".server-tooltip")!;
+    this.$icon = this.$el.querySelector(".server-icons")!;
+    this.$badge = this.$el.querySelector(".server-tab-badge")!;
+  }
+
+  override async activate(): Promise<void> {
+    await super.activate();
+    (await this.webview).load();
+  }
+
+  override async deactivate(): Promise<void> {
+    await super.deactivate();
+    (await this.webview).hide();
+  }
+
+  override async destroy(): Promise<void> {
+    await super.destroy();
+    (await this.webview).destroy();
+  }
+
+  templateHtml(): Html {
+    return html`
+      <div class="tab" data-tab-id="${this.props.tabIndex}">
+        <div class="server-tooltip" style="display:none">
+          ${this.props.name}
+        </div>
+        <div class="server-tab-badge"></div>
+        <div class="server-tab">
+          <img class="server-icons" src="${this.props.icon}" />
+        </div>
+        <div class="server-tab-shortcut">${this.generateShortcutText()}</div>
+      </div>
+    `;
+  }
+
+  setName(name: string): void {
+    this.props.name = name;
+    this.$name.textContent = name;
+  }
+
+  setIcon(icon: string): void {
+    this.props.icon = icon;
+    this.$icon.src = icon;
+  }
+
+  updateBadge(count: number): void {
+    this.$badge.textContent = count > 999 ? "1K+" : count.toString();
+    this.$badge.classList.toggle("active", count > 0);
+  }
+
+  generateShortcutText(): string {
+    // Only provide shortcuts for server [0..9]
+    if (this.props.index >= 9) {
+      return "";
+    }
+
+    const shownIndex = this.props.index + 1;
+
+    // Array index == Shown index - 1
+    ipcRenderer.send("switch-server-tab", shownIndex - 1);
+
+    return process.platform === "darwin"
+      ? `⌘${shownIndex}`
+      : `Ctrl+${shownIndex}`;
+  }
+}

app/renderer/js/components/tab.js

@@ -1,48 +0,0 @@
-'use strict';
-
-const BaseComponent = require(__dirname + '/../components/base.js');
-
-class Tab extends BaseComponent {
-	constructor(props) {
-		super();
-
-		this.props = props;
-		this.webview = this.props.webview;
-
-		this.init();
-	}
-
-	init() {
-		this.$el = this.generateNodeFromTemplate(this.template());
-		this.props.$root.appendChild(this.$el);
-
-		this.registerListeners();
-	}
-
-	registerListeners() {
-		this.$el.addEventListener('click', this.props.onClick);
-		this.$el.addEventListener('mouseover', this.props.onHover);
-		this.$el.addEventListener('mouseout', this.props.onHoverOut);
-	}
-
-	isLoading() {
-		return this.webview.isLoading;
-	}
-
-	activate() {
-		this.$el.classList.add('active');
-		this.webview.load();
-	}
-
-	deactivate() {
-		this.$el.classList.remove('active');
-		this.webview.hide();
-	}
-
-	destroy() {
-		this.$el.parentNode.removeChild(this.$el);
-		this.webview.$el.parentNode.removeChild(this.webview.$el);
-	}
-}
-
-module.exports = Tab;

app/renderer/js/components/tab.ts

@@ -0,0 +1,45 @@
+import type {TabRole} from "../../../common/types.js";
+
+export type TabProps = {
+  role: TabRole;
+  icon?: string;
+  name: string;
+  $root: Element;
+  onClick: () => void;
+  index: number;
+  tabIndex: number;
+  onHover?: () => void;
+  onHoverOut?: () => void;
+  materialIcon?: string;
+  onDestroy?: () => void;
+};
+
+export default abstract class Tab {
+  abstract $el: Element;
+
+  constructor(readonly props: TabProps) {}
+
+  registerListeners(): void {
+    this.$el.addEventListener("click", this.props.onClick);
+
+    if (this.props.onHover !== undefined) {
+      this.$el.addEventListener("mouseover", this.props.onHover);
+    }
+
+    if (this.props.onHoverOut !== undefined) {
+      this.$el.addEventListener("mouseout", this.props.onHoverOut);
+    }
+  }
+
+  async activate(): Promise<void> {
+    this.$el.classList.add("active");
+  }
+
+  async deactivate(): Promise<void> {
+    this.$el.classList.remove("active");
+  }
+
+  async destroy(): Promise<void> {
+    this.$el.remove();
+  }
+}

app/renderer/js/components/webview.js

@@ -1,269 +0,0 @@
-'use strict';
-
-const path = require('path');
-const fs = require('fs');
-
-const ConfigUtil = require(__dirname + '/../utils/config-util.js');
-const SystemUtil = require(__dirname + '/../utils/system-util.js');
-const { app, dialog } = require('electron').remote;
-
-const BaseComponent = require(__dirname + '/../components/base.js');
-const handleExternalLink = require(__dirname + '/../components/handle-external-link.js');
-
-const shouldSilentWebview = ConfigUtil.getConfigItem('silent');
-class WebView extends BaseComponent {
-	constructor(props) {
-		super();
-
-		this.props = props;
-
-		this.zoomFactor = 1.0;
-		this.loading = true;
-		this.badgeCount = 0;
-		this.customCSS = ConfigUtil.getConfigItem('customCSS');
-		this.$webviewsContainer = document.querySelector('#webviews-container').classList;
-	}
-
-	template() {
-		return `<webview
-					class="disabled"
-					data-tab-id="${this.props.tabIndex}"
-					src="${this.props.url}"
-					${this.props.nodeIntegration ? 'nodeIntegration' : ''}
-					disablewebsecurity
-					${this.props.preload ? 'preload="js/preload.js"' : ''}
-					partition="persist:webviewsession"
-					name="${this.props.name}"
-					webpreferences="allowRunningInsecureContent, javascript=yes">
-				</webview>`;
-	}
-
-	init() {
-		this.$el = this.generateNodeFromTemplate(this.template());
-		this.props.$root.appendChild(this.$el);
-
-		this.registerListeners();
-	}
-
-	registerListeners() {
-		this.$el.addEventListener('new-window', event => {
-			handleExternalLink.call(this, event);
-		});
-
-		if (shouldSilentWebview) {
-			this.$el.addEventListener('dom-ready', () => {
-				this.$el.setAudioMuted(true);
-			});
-		}
-
-		this.$el.addEventListener('page-title-updated', event => {
-			const { title } = event;
-			this.badgeCount = this.getBadgeCount(title);
-			this.props.onTitleChange();
-		});
-
-		this.$el.addEventListener('did-navigate-in-page', event => {
-			const isSettingPage = event.url.includes('renderer/preference.html');
-			if (isSettingPage) {
-				return;
-			}
-			this.canGoBackButton();
-		});
-
-		this.$el.addEventListener('did-navigate', () => {
-			this.canGoBackButton();
-		});
-
-		this.$el.addEventListener('page-favicon-updated', 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
-				if (ConfigUtil.getConfigItem('dockBouncing')) {
-					app.dock.bounce();
-				}
-			}
-		});
-
-		this.$el.addEventListener('dom-ready', () => {
-			if (this.props.role === 'server') {
-				this.$el.classList.add('onload');
-			}
-			this.loading = false;
-			this.props.switchLoading(false, this.props.url);
-			this.show();
-
-			// Refocus text boxes after reload
-			// Remove when upstream issue https://github.com/electron/electron/issues/14474 is fixed
-			this.$el.blur();
-			this.$el.focus();
-		});
-
-		this.$el.addEventListener('did-fail-load', event => {
-			const { errorDescription } = event;
-			const hasConnectivityErr = (SystemUtil.connectivityERR.indexOf(errorDescription) >= 0);
-			if (hasConnectivityErr) {
-				console.error('error', errorDescription);
-				this.props.onNetworkError();
-			}
-		});
-
-		this.$el.addEventListener('did-start-loading', () => {
-			const isSettingPage = this.props.url.includes('renderer/preference.html');
-			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', () => {
-			this.props.switchLoading(false, this.props.url);
-		});
-	}
-
-	getBadgeCount(title) {
-		const messageCountInTitle = (/\(([0-9]+)\)/).exec(title);
-		return messageCountInTitle ? Number(messageCountInTitle[1]) : 0;
-	}
-
-	show() {
-		// Do not show WebView if another tab was selected and this tab should be in background.
-		if (!this.props.isActive()) {
-			return;
-		}
-
-		// To show or hide the loading indicator in the the active tab
-		if (this.loading) {
-			this.$webviewsContainer.remove('loaded');
-		} else {
-			this.$webviewsContainer.add('loaded');
-		}
-
-		this.$el.classList.remove('disabled');
-		this.$el.classList.add('active');
-		setTimeout(() => {
-			if (this.props.role === 'server') {
-				this.$el.classList.remove('onload');
-			}
-		}, 1000);
-		this.focus();
-		this.props.onTitleChange();
-		// Injecting preload css in webview to override some css rules
-		this.$el.insertCSS(fs.readFileSync(path.join(__dirname, '/../../css/preload.css'), 'utf8'));
-
-		// 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 errMsg = 'The custom css previously set is deleted!';
-				dialog.showErrorBox('custom css file deleted!', errMsg);
-				return;
-			}
-
-			this.$el.insertCSS(fs.readFileSync(path.resolve(__dirname, this.customCSS), 'utf8'));
-		}
-	}
-
-	focus() {
-		// focus Webview and it's contents when Window regain focus.
-		const webContents = this.$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.$el !== document.activeElement) {
-			// HACK: Looks like blur needs to be called on the previously focused
-			// element to transfer focus correctly, in Electron v3.0.10
-			// See https://github.com/electron/electron/issues/15718
-			document.activeElement.blur();
-			this.$el.focus();
-			webContents.focus();
-		}
-	}
-
-	hide() {
-		this.$el.classList.add('disabled');
-		this.$el.classList.remove('active');
-	}
-
-	load() {
-		if (this.$el) {
-			this.show();
-		} else {
-			this.init();
-		}
-	}
-
-	zoomIn() {
-		this.zoomFactor += 0.1;
-		this.$el.setZoomFactor(this.zoomFactor);
-	}
-
-	zoomOut() {
-		this.zoomFactor -= 0.1;
-		this.$el.setZoomFactor(this.zoomFactor);
-	}
-
-	zoomActualSize() {
-		this.zoomFactor = 1.0;
-		this.$el.setZoomFactor(this.zoomFactor);
-	}
-
-	logOut() {
-		this.$el.executeJavaScript('logout()');
-	}
-
-	showShortcut() {
-		this.$el.executeJavaScript('shortcut()');
-	}
-
-	openDevTools() {
-		this.$el.openDevTools();
-	}
-
-	back() {
-		if (this.$el.canGoBack()) {
-			this.$el.goBack();
-			this.focus();
-		}
-	}
-
-	canGoBackButton() {
-		const $backButton = document.querySelector('#actions-container #back-action');
-		if (this.$el.canGoBack()) {
-			$backButton.classList.remove('disable');
-		} else {
-			$backButton.classList.add('disable');
-		}
-	}
-
-	forward() {
-		if (this.$el.canGoForward()) {
-			this.$el.goForward();
-		}
-	}
-
-	reload() {
-		this.hide();
-		// Shows the loading indicator till the webview is reloaded
-		this.$webviewsContainer.remove('loaded');
-		this.loading = true;
-		this.$el.reload();
-	}
-
-	send(...param) {
-		this.$el.send(...param);
-	}
-}
-
-module.exports = WebView;

app/renderer/js/components/webview.ts

@@ -0,0 +1,340 @@
+import type {WebContents} from "electron/main";
+import fs from "node:fs";
+import process from "node:process";
+
+import * as remote from "@electron/remote";
+import {app, dialog} from "@electron/remote";
+
+import * as ConfigUtil from "../../../common/config-util.js";
+import type {Html} from "../../../common/html.js";
+import {html} from "../../../common/html.js";
+import type {RendererMessage} from "../../../common/typed-ipc.js";
+import type {TabRole} from "../../../common/types.js";
+import preloadCss from "../../css/preload.css?raw";
+import {ipcRenderer} from "../typed-ipc-renderer.js";
+import * as SystemUtil from "../utils/system-util.js";
+
+import {generateNodeFromHtml} from "./base.js";
+import {contextMenu} from "./context-menu.js";
+
+const shouldSilentWebview = ConfigUtil.getConfigItem("silent", false);
+
+type WebViewProps = {
+  $root: Element;
+  rootWebContents: WebContents;
+  index: number;
+  tabIndex: number;
+  url: string;
+  role: TabRole;
+  isActive: () => boolean;
+  switchLoading: (loading: boolean, url: string) => void;
+  onNetworkError: (index: number) => void;
+  preload?: string;
+  onTitleChange: () => void;
+  hasPermission?: (origin: string, permission: string) => boolean;
+  unsupportedMessage?: string;
+};
+
+export default class WebView {
+  static templateHtml(props: WebViewProps): Html {
+    return html`
+      <div class="webview-pane">
+        <div
+          class="webview-unsupported"
+          ${props.unsupportedMessage === undefined ? html`hidden` : html``}
+        >
+          <span class="webview-unsupported-message"
+            >${props.unsupportedMessage ?? ""}</span
+          >
+          <span class="webview-unsupported-dismiss">×</span>
+        </div>
+        <webview
+          data-tab-id="${props.tabIndex}"
+          src="${props.url}"
+          ${props.preload === undefined
+            ? html``
+            : html`preload="${props.preload}"`}
+          partition="persist:webviewsession"
+          allowpopups
+        >
+        </webview>
+      </div>
+    `;
+  }
+
+  static async create(props: WebViewProps): Promise<WebView> {
+    const $pane = generateNodeFromHtml(
+      WebView.templateHtml(props),
+    ) as HTMLElement;
+    props.$root.append($pane);
+
+    const $webview: HTMLElement = $pane.querySelector(":scope > webview")!;
+    await new Promise<void>((resolve) => {
+      $webview.addEventListener(
+        "did-attach",
+        () => {
+          resolve();
+        },
+        true,
+      );
+    });
+
+    // Work around https://github.com/electron/electron/issues/26904
+    function getWebContentsIdFunction(
+      this: undefined,
+      selector: string,
+    ): number {
+      return document
+        .querySelector<Electron.WebviewTag>(selector)!
+        .getWebContentsId();
+    }
+
+    const selector = `webview[data-tab-id="${CSS.escape(
+      `${props.tabIndex}`,
+    )}"]`;
+    const webContentsId: unknown =
+      await props.rootWebContents.executeJavaScript(
+        `(${getWebContentsIdFunction.toString()})(${JSON.stringify(selector)})`,
+      );
+    if (typeof webContentsId !== "number") {
+      throw new TypeError("Failed to get WebContents ID");
+    }
+
+    return new WebView(props, $pane, $webview, webContentsId);
+  }
+
+  badgeCount = 0;
+  loading = true;
+  private zoomFactor = 1;
+  private customCss: string | false | null;
+  private readonly $webviewsContainer: DOMTokenList;
+  private readonly $unsupported: HTMLElement;
+  private readonly $unsupportedMessage: HTMLElement;
+  private readonly $unsupportedDismiss: HTMLElement;
+  private unsupportedDismissed = false;
+
+  private constructor(
+    readonly props: WebViewProps,
+    private readonly $pane: HTMLElement,
+    private readonly $webview: HTMLElement,
+    readonly webContentsId: number,
+  ) {
+    this.customCss = ConfigUtil.getConfigItem("customCSS", null);
+    this.$webviewsContainer = document.querySelector(
+      "#webviews-container",
+    )!.classList;
+    this.$unsupported = $pane.querySelector(".webview-unsupported")!;
+    this.$unsupportedMessage = $pane.querySelector(
+      ".webview-unsupported-message",
+    )!;
+    this.$unsupportedDismiss = $pane.querySelector(
+      ".webview-unsupported-dismiss",
+    )!;
+
+    this.registerListeners();
+  }
+
+  destroy(): void {
+    this.$pane.remove();
+  }
+
+  getWebContents(): WebContents {
+    return remote.webContents.fromId(this.webContentsId)!;
+  }
+
+  showNotificationSettings(): void {
+    this.send("show-notification-settings");
+  }
+
+  focus(): void {
+    this.$webview.focus();
+    // Work around https://github.com/electron/electron/issues/31918
+    this.$webview.shadowRoot?.querySelector("iframe")?.focus();
+  }
+
+  hide(): void {
+    this.$pane.classList.remove("active");
+  }
+
+  load(): void {
+    this.show();
+  }
+
+  zoomIn(): void {
+    this.zoomFactor += 0.1;
+    this.getWebContents().setZoomFactor(this.zoomFactor);
+  }
+
+  zoomOut(): void {
+    this.zoomFactor -= 0.1;
+    this.getWebContents().setZoomFactor(this.zoomFactor);
+  }
+
+  zoomActualSize(): void {
+    this.zoomFactor = 1;
+    this.getWebContents().setZoomFactor(this.zoomFactor);
+  }
+
+  logOut(): void {
+    this.send("logout");
+  }
+
+  showKeyboardShortcuts(): void {
+    this.send("show-keyboard-shortcuts");
+  }
+
+  openDevTools(): void {
+    this.getWebContents().openDevTools();
+  }
+
+  back(): void {
+    if (this.getWebContents().canGoBack()) {
+      this.getWebContents().goBack();
+      this.focus();
+    }
+  }
+
+  canGoBackButton(): void {
+    const $backButton = document.querySelector(
+      "#actions-container #back-action",
+    )!;
+    $backButton.classList.toggle("disable", !this.getWebContents().canGoBack());
+  }
+
+  forward(): void {
+    if (this.getWebContents().canGoForward()) {
+      this.getWebContents().goForward();
+    }
+  }
+
+  reload(): void {
+    this.hide();
+    // Shows the loading indicator till the webview is reloaded
+    this.$webviewsContainer.remove("loaded");
+    this.loading = true;
+    this.props.switchLoading(true, this.props.url);
+    this.getWebContents().reload();
+  }
+
+  setUnsupportedMessage(unsupportedMessage: string | undefined) {
+    this.$unsupported.hidden =
+      unsupportedMessage === undefined || this.unsupportedDismissed;
+    this.$unsupportedMessage.textContent = unsupportedMessage ?? "";
+  }
+
+  send<Channel extends keyof RendererMessage>(
+    channel: Channel,
+    ...args: Parameters<RendererMessage[Channel]>
+  ): void {
+    ipcRenderer.send("forward-to", this.webContentsId, channel, ...args);
+  }
+
+  private registerListeners(): void {
+    const webContents = this.getWebContents();
+
+    if (shouldSilentWebview) {
+      webContents.setAudioMuted(true);
+    }
+
+    webContents.on("page-title-updated", (_event, title) => {
+      this.badgeCount = this.getBadgeCount(title);
+      this.props.onTitleChange();
+    });
+
+    this.$webview.addEventListener("did-navigate-in-page", () => {
+      this.canGoBackButton();
+    });
+
+    this.$webview.addEventListener("did-navigate", () => {
+      this.canGoBackButton();
+    });
+
+    webContents.on("page-favicon-updated", (_event, favicons) => {
+      // 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
+        if (ConfigUtil.getConfigItem("dockBouncing", true)) {
+          app.dock.bounce();
+        }
+      }
+    });
+
+    webContents.addListener("context-menu", (event, menuParameters) => {
+      contextMenu(webContents, event, menuParameters);
+    });
+
+    this.$webview.addEventListener("dom-ready", () => {
+      this.loading = false;
+      this.props.switchLoading(false, this.props.url);
+      this.show();
+    });
+
+    webContents.on("did-fail-load", (_event, _errorCode, errorDescription) => {
+      const hasConnectivityError =
+        SystemUtil.connectivityError.includes(errorDescription);
+      if (hasConnectivityError) {
+        console.error("error", errorDescription);
+        if (!this.props.url.includes("network.html")) {
+          this.props.onNetworkError(this.props.index);
+        }
+      }
+    });
+
+    this.$webview.addEventListener("did-start-loading", () => {
+      this.props.switchLoading(true, this.props.url);
+    });
+
+    this.$webview.addEventListener("did-stop-loading", () => {
+      this.props.switchLoading(false, this.props.url);
+    });
+
+    this.$unsupportedDismiss.addEventListener("click", () => {
+      this.unsupportedDismissed = true;
+      this.$unsupported.hidden = true;
+    });
+  }
+
+  private getBadgeCount(title: string): number {
+    const messageCountInTitle = /^\((\d+)\)/.exec(title);
+    return messageCountInTitle ? Number(messageCountInTitle[1]) : 0;
+  }
+
+  private show(): void {
+    // Do not show WebView if another tab was selected and this tab should be in background.
+    if (!this.props.isActive()) {
+      return;
+    }
+
+    // To show or hide the loading indicator in the active tab
+    this.$webviewsContainer.toggle("loaded", !this.loading);
+
+    this.$pane.classList.add("active");
+    this.focus();
+    this.props.onTitleChange();
+    // Injecting preload css in webview to override some css rules
+    (async () => this.getWebContents().insertCSS(preloadCss))();
+
+    // Get customCSS again from config util to avoid warning user again
+    const customCss = ConfigUtil.getConfigItem("customCSS", null);
+    this.customCss = customCss;
+    if (customCss) {
+      if (!fs.existsSync(customCss)) {
+        this.customCss = null;
+        ConfigUtil.setConfigItem("customCSS", null);
+
+        const errorMessage = "The custom css previously set is deleted!";
+        dialog.showErrorBox("custom css file deleted!", errorMessage);
+        return;
+      }
+
+      (async () =>
+        this.getWebContents().insertCSS(fs.readFileSync(customCss, "utf8")))();
+    }
+  }
+}

app/renderer/js/electron-bridge.js

@@ -1,40 +0,0 @@
-const events = require('events');
-const { ipcRenderer } = require('electron');
-
-// 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 camelcase */
-class ElectronBridge extends events {
-	send_event(...args) {
-		this.emit(...args);
-	}
-
-	on_event(...args) {
-		this.on(...args);
-	}
-}
-
-const electron_bridge = new ElectronBridge();
-
-electron_bridge.on('total_unread_count', (...args) => {
-	ipcRenderer.send('unread-count', ...args);
-});
-
-electron_bridge.on('realm_name', realmName => {
-	const serverURL = location.origin;
-	ipcRenderer.send('realm-name-changed', serverURL, realmName);
-});
-
-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
-// 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.
-module.exports = electron_bridge;

app/renderer/js/electron-bridge.ts

@@ -0,0 +1,113 @@
+import {EventEmitter} from "node:events";
+
+import type {ClipboardDecrypter} from "./clipboard-decrypter.js";
+import {ClipboardDecrypterImpl} from "./clipboard-decrypter.js";
+import type {NotificationData} from "./notification/index.js";
+import {newNotification} from "./notification/index.js";
+import {ipcRenderer} from "./typed-ipc-renderer.js";
+
+type ListenerType = (...args: any[]) => void;
+
+/* eslint-disable @typescript-eslint/naming-convention */
+export type ElectronBridge = {
+  send_event: (eventName: string | symbol, ...args: unknown[]) => boolean;
+  on_event: (eventName: string, listener: ListenerType) => void;
+  new_notification: (
+    title: string,
+    options: NotificationOptions,
+    dispatch: (type: string, eventInit: EventInit) => boolean,
+  ) => NotificationData;
+  get_idle_on_system: () => boolean;
+  get_last_active_on_system: () => number;
+  get_send_notification_reply_message_supported: () => boolean;
+  set_send_notification_reply_message_supported: (value: boolean) => void;
+  decrypt_clipboard: (version: number) => ClipboardDecrypter;
+};
+/* eslint-enable @typescript-eslint/naming-convention */
+
+let notificationReplySupported = false;
+// Indicates if the user is idle or not
+let idle = false;
+// Indicates the time at which user was last active
+let lastActive = Date.now();
+
+export const bridgeEvents = new EventEmitter(); // eslint-disable-line unicorn/prefer-event-target
+
+/* eslint-disable @typescript-eslint/naming-convention */
+const electron_bridge: ElectronBridge = {
+  send_event: (eventName: string | symbol, ...args: unknown[]): boolean =>
+    bridgeEvents.emit(eventName, ...args),
+
+  on_event(eventName: string, listener: ListenerType): void {
+    bridgeEvents.on(eventName, listener);
+  },
+
+  new_notification: (
+    title: string,
+    options: NotificationOptions,
+    dispatch: (type: string, eventInit: EventInit) => boolean,
+  ): NotificationData => newNotification(title, options, dispatch),
+
+  get_idle_on_system: (): boolean => idle,
+
+  get_last_active_on_system: (): number => lastActive,
+
+  get_send_notification_reply_message_supported: (): boolean =>
+    notificationReplySupported,
+
+  set_send_notification_reply_message_supported(value: boolean): void {
+    notificationReplySupported = value;
+  },
+
+  decrypt_clipboard: (version: number): ClipboardDecrypter =>
+    new ClipboardDecrypterImpl(version),
+};
+/* eslint-enable @typescript-eslint/naming-convention */
+
+bridgeEvents.on("total_unread_count", (unreadCount: unknown) => {
+  if (typeof unreadCount !== "number") {
+    throw new TypeError("Expected string for unreadCount");
+  }
+
+  ipcRenderer.send("unread-count", unreadCount);
+});
+
+bridgeEvents.on("realm_name", (realmName: unknown) => {
+  if (typeof realmName !== "string") {
+    throw new TypeError("Expected string for realmName");
+  }
+
+  const serverUrl = location.origin;
+  ipcRenderer.send("realm-name-changed", serverUrl, realmName);
+});
+
+bridgeEvents.on("realm_icon_url", (iconUrl: unknown) => {
+  if (typeof iconUrl !== "string") {
+    throw new TypeError("Expected string for iconUrl");
+  }
+
+  const serverUrl = location.origin;
+  ipcRenderer.send(
+    "realm-icon-changed",
+    serverUrl,
+    iconUrl.includes("http") ? iconUrl : `${serverUrl}${iconUrl}`,
+  );
+});
+
+// Set user as active and update the time of last activity
+ipcRenderer.on("set-active", () => {
+  idle = false;
+  lastActive = Date.now();
+});
+
+// Set user as idle and time of last activity is left unchanged
+ipcRenderer.on("set-idle", () => {
+  idle = true;
+});
+
+// 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 ElectronBridge.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;

app/renderer/js/feedback.js

@@ -1,62 +0,0 @@
-const { app } = require('electron').remote;
-const path = require('path');
-const fs = require('fs');
-const SendFeedback = require('@electron-elements/send-feedback');
-
-// 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);
-const sendFeedback = document.querySelector('send-feedback');
-const feedbackHolder = sendFeedback.parentElement;
-
-// 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: 'akash@zulipchat.com'
-});
-
-feedbackHolder.addEventListener('click', e => {
-  // only remove the class if the grey out faded
-  // part is clicked and not the feedback element itself
-	if (e.target === e.currentTarget) {
-		feedbackHolder.classList.remove('show');
-	}
-});
-
-sendFeedback.addEventListener('feedback-submitted', () => {
-	setTimeout(() => {
-		feedbackHolder.classList.remove('show');
-	}, 1000);
-});
-
-const dataDir = app.getPath('userData');
-const logsDir = path.join(dataDir, '/Logs');
-sendFeedback.logs.push(...fs.readdirSync(logsDir).map(file => path.join(logsDir, file)));
-
-module.exports = {
-	feedbackHolder,
-	sendFeedback
-};

app/renderer/js/main.js

@@ -1,830 +0,0 @@
-'use strict';
-
-const { ipcRenderer, remote, clipboard, shell } = require('electron');
-const isDev = require('electron-is-dev');
-
-const { session, app, Menu, dialog } = remote;
-const escape = require('escape-html');
-
-require(__dirname + '/js/tray.js');
-const DomainUtil = require(__dirname + '/js/utils/domain-util.js');
-const WebView = require(__dirname + '/js/components/webview.js');
-const ServerTab = require(__dirname + '/js/components/server-tab.js');
-const FunctionalTab = require(__dirname + '/js/components/functional-tab.js');
-const ConfigUtil = require(__dirname + '/js/utils/config-util.js');
-const DNDUtil = require(__dirname + '/js/utils/dnd-util.js');
-const ReconnectUtil = require(__dirname + '/js/utils/reconnect-util.js');
-const Logger = require(__dirname + '/js/utils/logger-util.js');
-const CommonUtil = require(__dirname + '/js/utils/common-util.js');
-
-const { feedbackHolder } = require(__dirname + '/js/feedback.js');
-
-const logger = new Logger({
-	file: 'errors.log',
-	timestamp: true
-});
-
-class ServerManagerView {
-	constructor() {
-		this.$addServerButton = document.getElementById('add-tab');
-		this.$tabsContainer = document.getElementById('tabs-container');
-
-		const $actionsContainer = document.getElementById('actions-container');
-		this.$reloadButton = $actionsContainer.querySelector('#reload-action');
-		this.$loadingIndicator = $actionsContainer.querySelector('#loading-action');
-		this.$settingsButton = $actionsContainer.querySelector('#settings-action');
-		this.$webviewsContainer = document.getElementById('webviews-container');
-		this.$backButton = $actionsContainer.querySelector('#back-action');
-		this.$dndButton = $actionsContainer.querySelector('#dnd-action');
-
-		this.$addServerTooltip = document.getElementById('add-server-tooltip');
-		this.$reloadTooltip = $actionsContainer.querySelector('#reload-tooltip');
-		this.$loadingTooltip = $actionsContainer.querySelector('#loading-tooltip');
-		this.$settingsTooltip = $actionsContainer.querySelector('#setting-tooltip');
-		this.$serverIconTooltip = document.getElementsByClassName('server-tooltip');
-		this.$backTooltip = $actionsContainer.querySelector('#back-tooltip');
-		this.$dndTooltip = $actionsContainer.querySelector('#dnd-tooltip');
-
-		this.$sidebar = document.getElementById('sidebar');
-
-		this.$fullscreenPopup = document.getElementById('fullscreen-popup');
-		this.$fullscreenEscapeKey = process.platform === 'darwin' ? '^⌘F' : 'F11';
-		this.$fullscreenPopup.innerHTML = `Press ${this.$fullscreenEscapeKey} to exit full screen`;
-
-		this.loading = {};
-		this.activeTabIndex = -1;
-		this.tabs = [];
-		this.functionalTabs = {};
-		this.tabIndex = 0;
-	}
-
-	init() {
-		this.loadProxy().then(() => {
-			this.initSidebar();
-			this.initTabs();
-			this.initActions();
-			this.registerIpcs();
-			this.initDefaultSettings();
-		});
-	}
-
-	loadProxy() {
-		return new Promise(resolve => {
-			// To change proxyEnable to useManualProxy in older versions
-			const proxyEnabledOld = ConfigUtil.isConfigItemExists('useProxy');
-			if (proxyEnabledOld) {
-				const proxyEnableOldState = ConfigUtil.getConfigItem('useProxy');
-				if (proxyEnableOldState) {
-					ConfigUtil.setConfigItem('useManualProxy', true);
-				}
-				ConfigUtil.removeConfigItem('useProxy');
-			}
-
-			const proxyEnabled = ConfigUtil.getConfigItem('useManualProxy') || ConfigUtil.getConfigItem('useSystemProxy');
-			if (proxyEnabled) {
-				session.fromPartition('persist:webviewsession').setProxy({
-					pacScript: ConfigUtil.getConfigItem('proxyPAC', ''),
-					proxyRules: ConfigUtil.getConfigItem('proxyRules', ''),
-					proxyBypassRules: ConfigUtil.getConfigItem('proxyBypass', '')
-				}, resolve);
-			} else {
-				session.fromPartition('persist:webviewsession').setProxy({
-					pacScript: '',
-					proxyRules: '',
-					proxyBypassRules: ''
-				}, resolve);
-			}
-		});
-	}
-
-	// Settings are initialized only when user clicks on General/Server/Network section settings
-	// In case, user doesn't visit these section, those values set to be null automatically
-	// This will make sure the default settings are correctly set to either true or false
-	initDefaultSettings() {
-		// Default settings which should be respected
-		const settingOptions = {
-			autoHideMenubar: false,
-			trayIcon: true,
-			useManualProxy: false,
-			useSystemProxy: false,
-			showSidebar: true,
-			badgeOption: true,
-			startAtLogin: true,
-			startMinimized: false,
-			enableSpellchecker: true,
-			showNotification: true,
-			autoUpdate: true,
-			betaUpdate: false,
-			errorReporting: true,
-			customCSS: false,
-			silent: false,
-			lastActiveTab: 0,
-			dnd: false,
-			dndPreviousSettings: {
-				showNotification: true,
-				silent: false
-			},
-			downloadsPath: `${app.getPath('downloads')}`,
-			showDownloadFolder: false
-		};
-
-		// Platform specific settings
-
-		if (process.platform === 'win32') {
-			// Only available on Windows
-			settingOptions.flashTaskbarOnMessage = true;
-			settingOptions.dndPreviousSettings.flashTaskbarOnMessage = true;
-		}
-
-		if (process.platform === 'darwin') {
-			// Only available on macOS
-			settingOptions.dockBouncing = true;
-		}
-
-		if (process.platform !== 'darwin') {
-			settingOptions.autoHideMenubar = false;
-		}
-
-		for (const i in settingOptions) {
-			if (ConfigUtil.getConfigItem(i) === null) {
-				ConfigUtil.setConfigItem(i, settingOptions[i]);
-			}
-		}
-	}
-
-	initSidebar() {
-		const showSidebar = ConfigUtil.getConfigItem('showSidebar', true);
-		this.toggleSidebar(showSidebar);
-	}
-
-	initTabs() {
-		const servers = DomainUtil.getDomains();
-		if (servers.length > 0) {
-			for (let i = 0; i < servers.length; i++) {
-				this.initServer(servers[i], i);
-				DomainUtil.updateSavedServer(servers[i].url, i);
-				this.activateTab(i);
-			}
-			// Open last active tab
-			this.activateTab(ConfigUtil.getConfigItem('lastActiveTab'));
-			// Remove focus from the settings icon at sidebar bottom
-			this.$settingsButton.classList.remove('active');
-		} else {
-			this.openSettings('AddServer');
-		}
-	}
-
-	initServer(server, index) {
-		const tabIndex = this.getTabIndex();
-		this.tabs.push(new ServerTab({
-			role: 'server',
-			icon: server.icon,
-			name: server.alias,
-			$root: this.$tabsContainer,
-			onClick: this.activateLastTab.bind(this, index),
-			index,
-			tabIndex,
-			onHover: this.onHover.bind(this, index),
-			onHoverOut: this.onHoverOut.bind(this, index),
-			webview: new WebView({
-				$root: this.$webviewsContainer,
-				index,
-				tabIndex,
-				url: server.url,
-				role: 'server',
-				name: CommonUtil.decodeString(server.alias),
-				isActive: () => {
-					return index === this.activeTabIndex;
-				},
-				switchLoading: (loading, url) => {
-					if (!loading && this.loading[url]) {
-						this.loading[url] = false;
-					} else if (loading && !this.loading[url]) {
-						this.loading[url] = true;
-					}
-					this.showLoading(this.loading[this.tabs[this.activeTabIndex].webview.props.url]);
-				},
-				onNetworkError: this.openNetworkTroubleshooting.bind(this),
-				onTitleChange: this.updateBadge.bind(this),
-				nodeIntegration: false,
-				preload: true
-			})
-		}));
-		this.loading[server.url] = true;
-	}
-
-	initActions() {
-		this.initDNDButton();
-		this.initServerActions();
-		this.initLeftSidebarEvents();
-	}
-
-	initServerActions() {
-		const $serverImgs = document.querySelectorAll('.server-icons');
-		$serverImgs.forEach(($serverImg, index) => {
-			this.addContextMenu($serverImg, index);
-			if ($serverImg.src.includes('img/icon.png')) {
-				this.displayInitialCharLogo($serverImg, index);
-			}
-			$serverImg.addEventListener('error', () => {
-				this.displayInitialCharLogo($serverImg, index);
-			});
-		});
-	}
-
-	initLeftSidebarEvents() {
-		this.$dndButton.addEventListener('click', () => {
-			const dndUtil = DNDUtil.toggle();
-			ipcRenderer.send('forward-message', 'toggle-dnd', dndUtil.dnd, dndUtil.newSettings);
-		});
-		this.$reloadButton.addEventListener('click', () => {
-			this.tabs[this.activeTabIndex].webview.reload();
-		});
-		this.$addServerButton.addEventListener('click', () => {
-			this.openSettings('AddServer');
-		});
-		this.$settingsButton.addEventListener('click', () => {
-			this.openSettings('General');
-		});
-		this.$backButton.addEventListener('click', () => {
-			this.tabs[this.activeTabIndex].webview.back();
-		});
-
-		this.sidebarHoverEvent(this.$addServerButton, this.$addServerTooltip, true);
-		this.sidebarHoverEvent(this.$loadingIndicator, this.$loadingTooltip);
-		this.sidebarHoverEvent(this.$settingsButton, this.$settingsTooltip);
-		this.sidebarHoverEvent(this.$reloadButton, this.$reloadTooltip);
-		this.sidebarHoverEvent(this.$backButton, this.$backTooltip);
-		this.sidebarHoverEvent(this.$dndButton, this.$dndTooltip);
-	}
-
-	initDNDButton() {
-		const dnd = ConfigUtil.getConfigItem('dnd', false);
-		this.toggleDNDButton(dnd);
-	}
-
-	getTabIndex() {
-		const currentIndex = this.tabIndex;
-		this.tabIndex++;
-		return currentIndex;
-	}
-
-	getCurrentActiveServer() {
-		return this.tabs[this.activeTabIndex].webview.props.url;
-	}
-
-	displayInitialCharLogo($img, index) {
-		/*
-			index parameter needed because webview[data-tab-id] can increment
-			beyond size of sidebar org array and throw error
-		*/
-
-		const $altIcon = document.createElement('div');
-		const $parent = $img.parentElement;
-		const $container = $parent.parentElement;
-		const webviewId = $container.dataset.tabId;
-		const $webview = document.querySelector(`webview[data-tab-id="${webviewId}"]`);
-		const realmName = $webview.getAttribute('name');
-
-		if (realmName === null) {
-			$img.src = '/img/icon.png';
-			return;
-		}
-
-		$altIcon.textContent = realmName.charAt(0) || 'Z';
-		$altIcon.classList.add('server-icon');
-		$altIcon.classList.add('alt-icon');
-
-		$parent.removeChild($img);
-		$parent.appendChild($altIcon);
-
-		this.addContextMenu($altIcon, index);
-	}
-
-	sidebarHoverEvent(SidebarButton, SidebarTooltip, addServer = false) {
-		SidebarButton.addEventListener('mouseover', () => {
-			SidebarTooltip.removeAttribute('style');
-			// To handle position of add server tooltip due to scrolling of list of organizations
-			// This could not be handled using CSS, hence the top of the tooltip is made same
-			// as that of its parent element.
-			// This needs to handled only for the add server tooltip and not others.
-			if (addServer) {
-				const { top } = SidebarButton.getBoundingClientRect();
-				SidebarTooltip.style.top = top + 'px';
-			}
-		});
-		SidebarButton.addEventListener('mouseout', () => {
-			SidebarTooltip.style.display = 'none';
-		});
-	}
-
-	onHover(index) {
-		// this.$serverIconTooltip[index].innerHTML already has realm name, so we are just
-		// removing the style.
-		this.$serverIconTooltip[index].removeAttribute('style');
-		// To handle position of servers' tooltip due to scrolling of list of organizations
-		// This could not be handled using CSS, hence the top of the tooltip is made same
-		// as that of its parent element.
-		const { top } = this.$serverIconTooltip[index].parentElement.getBoundingClientRect();
-		this.$serverIconTooltip[index].style.top = top + 'px';
-	}
-
-	onHoverOut(index) {
-		this.$serverIconTooltip[index].style.display = 'none';
-	}
-
-	openFunctionalTab(tabProps) {
-		if (this.functionalTabs[tabProps.name] !== undefined) {
-			this.activateTab(this.functionalTabs[tabProps.name]);
-			return;
-		}
-
-		this.functionalTabs[tabProps.name] = this.tabs.length;
-
-		const tabIndex = this.getTabIndex();
-
-		this.tabs.push(new FunctionalTab({
-			role: 'function',
-			materialIcon: tabProps.materialIcon,
-			name: tabProps.name,
-			$root: this.$tabsContainer,
-			index: this.functionalTabs[tabProps.name],
-			tabIndex,
-			onClick: this.activateTab.bind(this, this.functionalTabs[tabProps.name]),
-			onDestroy: this.destroyTab.bind(this, tabProps.name, this.functionalTabs[tabProps.name]),
-			webview: new WebView({
-				$root: this.$webviewsContainer,
-				index: this.functionalTabs[tabProps.name],
-				tabIndex,
-				url: tabProps.url,
-				role: 'function',
-				name: tabProps.name,
-				isActive: () => {
-					return this.functionalTabs[tabProps.name] === this.activeTabIndex;
-				},
-				switchLoading: (loading, url) => {
-					if (!loading && this.loading[url]) {
-						this.loading[url] = false;
-					} else if (loading && !this.loading[url]) {
-						this.loading[url] = true;
-					}
-					this.showLoading(this.loading[this.tabs[this.activeTabIndex].webview.props.url]);
-				},
-				onNetworkError: this.openNetworkTroubleshooting.bind(this),
-				onTitleChange: this.updateBadge.bind(this),
-				nodeIntegration: true,
-				preload: false
-			})
-		}));
-
-		// To show loading indicator the first time a functional tab is opened, indicator is
-		// closed when the functional tab DOM is ready, handled in webview.js
-		this.$webviewsContainer.classList.remove('loaded');
-
-		this.activateTab(this.functionalTabs[tabProps.name]);
-	}
-
-	openSettings(nav = 'General') {
-		this.openFunctionalTab({
-			name: 'Settings',
-			materialIcon: 'settings',
-			url: `file://${__dirname}/preference.html#${nav}`
-		});
-		this.$settingsButton.classList.add('active');
-		this.tabs[this.functionalTabs.Settings].webview.send('switch-settings-nav', nav);
-	}
-
-	openAbout() {
-		this.openFunctionalTab({
-			name: 'About',
-			materialIcon: 'sentiment_very_satisfied',
-			url: `file://${__dirname}/about.html`
-		});
-	}
-
-	openNetworkTroubleshooting() {
-		this.openFunctionalTab({
-			name: 'Network Troubleshooting',
-			materialIcon: 'network_check',
-			url: `file://${__dirname}/network.html`
-		});
-	}
-
-	activateLastTab(index) {
-		// Open all the tabs in background, also activate the tab based on the index
-		this.activateTab(index);
-		// Save last active tab
-		ConfigUtil.setConfigItem('lastActiveTab', index);
-	}
-
-	// returns this.tabs in an way that does
-	// not crash app when this.tabs is passed into
-	// ipcRenderer. Something about webview, and props.webview
-	// properties in ServerTab causes the app to crash.
-	get tabsForIpc() {
-		const tabs = [];
-		this.tabs.forEach(tab => {
-			const proto = Object.create(Object.getPrototypeOf(tab));
-			const tabClone = Object.assign(proto, tab);
-
-			tabClone.webview = { props: {} };
-			tabClone.webview.props.name = tab.webview.props.name;
-			delete tabClone.props.webview;
-			tabs.push(tabClone);
-		});
-
-		return tabs;
-	}
-
-	activateTab(index, hideOldTab = true) {
-		if (!this.tabs[index]) {
-			return;
-		}
-
-		if (this.activeTabIndex !== -1) {
-			if (this.activeTabIndex === index) {
-				return;
-			} else if (hideOldTab) {
-				// If old tab is functional tab Settings, remove focus from the settings icon at sidebar bottom
-				if (this.tabs[this.activeTabIndex].props.role === 'function' && this.tabs[this.activeTabIndex].props.name === 'Settings') {
-					this.$settingsButton.classList.remove('active');
-				}
-				this.tabs[this.activeTabIndex].deactivate();
-			}
-		}
-
-		try {
-			this.tabs[index].webview.canGoBackButton();
-		} catch (err) {
-		}
-
-		this.activeTabIndex = index;
-		this.tabs[index].activate();
-
-		this.showLoading(this.loading[this.tabs[this.activeTabIndex].webview.props.url]);
-
-		ipcRenderer.send('update-menu', {
-			// JSON stringify this.tabs to avoid a crash
-			// util.inspect is being used to handle circular references
-			tabs: this.tabsForIpc,
-			activeTabIndex: this.activeTabIndex,
-			// Following flag controls whether a menu item should be enabled or not
-			enableMenu: this.tabs[index].props.role === 'server'
-		});
-	}
-
-	showLoading(loading) {
-		if (!loading) {
-			this.$reloadButton.removeAttribute('style');
-			this.$loadingIndicator.style.display = 'none';
-		} else if (loading) {
-			this.$reloadButton.style.display = 'none';
-			this.$loadingIndicator.removeAttribute('style');
-		}
-	}
-
-	destroyTab(name, index) {
-		if (this.tabs[index].webview.loading) {
-			return;
-		}
-
-		this.tabs[index].destroy();
-
-		delete this.tabs[index];
-		delete this.functionalTabs[name];
-
-		// Issue #188: If the functional tab was not focused, do not activate another tab.
-		if (this.activeTabIndex === index) {
-			this.activateTab(0, false);
-		}
-	}
-
-	destroyView() {
-		// Show loading indicator
-		this.$webviewsContainer.classList.remove('loaded');
-
-		// Clear global variables
-		this.activeTabIndex = -1;
-		this.tabs = [];
-		this.functionalTabs = {};
-
-		// Clear DOM elements
-		this.$tabsContainer.innerHTML = '';
-		this.$webviewsContainer.innerHTML = '';
-	}
-
-	reloadView() {
-		// Save and remember the index of last active tab so that we can use it later
-		const lastActiveTab = this.tabs[this.activeTabIndex].props.index;
-		ConfigUtil.setConfigItem('lastActiveTab', lastActiveTab);
-
-		// Destroy the current view and re-initiate it
-		this.destroyView();
-		this.initTabs();
-		this.initServerActions();
-	}
-
-	// This will trigger when pressed CTRL/CMD + R [WIP]
-	// It won't reload the current view properly when you add/delete a server.
-	reloadCurrentView() {
-		this.$reloadButton.click();
-	}
-
-	updateBadge() {
-		let messageCountAll = 0;
-		for (let i = 0; i < this.tabs.length; i++) {
-			if (this.tabs[i] && this.tabs[i].updateBadge) {
-				const count = this.tabs[i].webview.badgeCount;
-				messageCountAll += count;
-				this.tabs[i].updateBadge(count);
-			}
-		}
-
-		ipcRenderer.send('update-badge', messageCountAll);
-	}
-
-	updateGeneralSettings(setting, value) {
-		const selector = 'webview:not([class*=disabled])';
-		const webview = document.querySelector(selector);
-		if (webview) {
-			const webContents = webview.getWebContents();
-			webContents.send(setting, value);
-		}
-	}
-
-	toggleSidebar(show) {
-		if (show) {
-			this.$sidebar.classList.remove('sidebar-hide');
-		} else {
-			this.$sidebar.classList.add('sidebar-hide');
-		}
-	}
-
-	// Toggles the dnd button icon.
-	toggleDNDButton(alert) {
-		this.$dndTooltip.textContent = (alert ? 'Disable' : 'Enable') + ' Do Not Disturb';
-		this.$dndButton.querySelector('i').textContent = alert ? 'notifications_off' : 'notifications';
-	}
-
-	addContextMenu($serverImg, index) {
-		$serverImg.addEventListener('contextmenu', e => {
-			e.preventDefault();
-			const template = [
-				{
-					label: 'Disconnect organization',
-					click: () => {
-						dialog.showMessageBox({
-							type: 'warning',
-							buttons: ['YES', 'NO'],
-							defaultId: 0,
-							message: 'Are you sure you want to disconnect this organization?'
-						}, response => {
-							if (response === 0) {
-								DomainUtil.removeDomain(index);
-								ipcRenderer.send('reload-full-app');
-							}
-						});
-					}
-				},
-				{
-					label: 'Copy Zulip URL',
-					click: () => {
-						clipboard.writeText(DomainUtil.getDomain(index).url);
-					}
-				}
-			];
-			const contextMenu = Menu.buildFromTemplate(template);
-			contextMenu.popup({ window: remote.getCurrentWindow() });
-		});
-	}
-
-	registerIpcs() {
-		const webviewListeners = {
-			'webview-reload': 'reload',
-			back: 'back',
-			focus: 'focus',
-			forward: 'forward',
-			zoomIn: 'zoomIn',
-			zoomOut: 'zoomOut',
-			zoomActualSize: 'zoomActualSize',
-			'log-out': 'logOut',
-			shortcut: 'showShortcut',
-			'tab-devtools': 'openDevTools'
-		};
-
-		for (const key in webviewListeners) {
-			ipcRenderer.on(key, () => {
-				const activeWebview = this.tabs[this.activeTabIndex].webview;
-				if (activeWebview) {
-					activeWebview[webviewListeners[key]]();
-				}
-			});
-		}
-
-		ipcRenderer.on('open-settings', (event, settingNav) => {
-			this.openSettings(settingNav);
-		});
-
-		ipcRenderer.on('open-about', this.openAbout.bind(this));
-
-		ipcRenderer.on('open-help', () => {
-			// Open help page of current active server
-			const helpPage = this.getCurrentActiveServer() + '/help';
-			shell.openExternal(helpPage);
-		});
-
-		ipcRenderer.on('reload-viewer', this.reloadView.bind(this, this.tabs[this.activeTabIndex].props.index));
-
-		ipcRenderer.on('reload-current-viewer', this.reloadCurrentView.bind(this));
-
-		ipcRenderer.on('hard-reload', () => {
-			ipcRenderer.send('reload-full-app');
-		});
-
-		ipcRenderer.on('clear-app-data', () => {
-			ipcRenderer.send('clear-app-settings');
-		});
-
-		ipcRenderer.on('switch-server-tab', (event, index) => {
-			this.activateLastTab(index);
-		});
-
-		ipcRenderer.on('open-org-tab', () => {
-			this.openSettings('AddServer');
-		});
-
-		ipcRenderer.on('reload-proxy', (event, showAlert) => {
-			this.loadProxy().then(() => {
-				if (showAlert) {
-					alert('Proxy settings saved!');
-					ipcRenderer.send('reload-full-app');
-				}
-			});
-		});
-
-		ipcRenderer.on('toggle-sidebar', (event, show) => {
-			// Toggle the left sidebar
-			this.toggleSidebar(show);
-
-			// Toggle sidebar switch in the general settings
-			this.updateGeneralSettings('toggle-sidebar-setting', show);
-		});
-
-		ipcRenderer.on('toggle-silent', (event, state) => {
-			const webviews = document.querySelectorAll('webview');
-			webviews.forEach(webview => {
-				try {
-					webview.setAudioMuted(state);
-				} catch (err) {
-					// webview is not ready yet
-					webview.addEventListener('dom-ready', () => {
-						webview.setAudioMuted(state);
-					});
-				}
-			});
-		});
-
-		ipcRenderer.on('toggle-autohide-menubar', (event, autoHideMenubar, updateMenu) => {
-			if (updateMenu) {
-				ipcRenderer.send('update-menu', {
-					tabs: this.tabsForIpc,
-					activeTabIndex: this.activeTabIndex
-				});
-				return;
-			}
-			this.updateGeneralSettings('toggle-menubar-setting', autoHideMenubar);
-		});
-
-		ipcRenderer.on('toggle-dnd', (event, state, newSettings) => {
-			this.toggleDNDButton(state);
-			ipcRenderer.send('forward-message', 'toggle-silent', newSettings.silent);
-			const selector = 'webview:not([class*=disabled])';
-			const webview = document.querySelector(selector);
-			const webContents = webview.getWebContents();
-			webContents.send('toggle-dnd', state, newSettings);
-		});
-
-		ipcRenderer.on('update-realm-name', (event, serverURL, realmName) => {
-			DomainUtil.getDomains().forEach((domain, index) => {
-				if (domain.url.includes(serverURL)) {
-					const serverTooltipSelector = `.tab .server-tooltip`;
-					const serverTooltips = document.querySelectorAll(serverTooltipSelector);
-					serverTooltips[index].innerHTML = escape(realmName);
-					this.tabs[index].props.name = escape(realmName);
-					this.tabs[index].webview.props.name = realmName;
-
-					domain.alias = escape(realmName);
-					DomainUtil.db.push(`/domains[${index}]`, domain, true);
-					DomainUtil.reloadDB();
-					// Update the realm name also on the Window menu
-					ipcRenderer.send('update-menu', {
-						tabs: this.tabsForIpc,
-						activeTabIndex: this.activeTabIndex
-					});
-				}
-			});
-		});
-
-		ipcRenderer.on('update-realm-icon', (event, serverURL, iconURL) => {
-			DomainUtil.getDomains().forEach((domain, index) => {
-				if (domain.url.includes(serverURL)) {
-					DomainUtil.saveServerIcon(iconURL).then(localIconUrl => {
-						const serverImgsSelector = `.tab .server-icons`;
-						const serverImgs = document.querySelectorAll(serverImgsSelector);
-						serverImgs[index].src = localIconUrl;
-
-						domain.icon = localIconUrl;
-						DomainUtil.db.push(`/domains[${index}]`, domain, true);
-						DomainUtil.reloadDB();
-					});
-				}
-			});
-		});
-
-		ipcRenderer.on('enter-fullscreen', () => {
-			this.$fullscreenPopup.classList.add('show');
-			this.$fullscreenPopup.classList.remove('hidden');
-		});
-
-		ipcRenderer.on('leave-fullscreen', () => {
-			this.$fullscreenPopup.classList.remove('show');
-		});
-
-		ipcRenderer.on('focus-webview-with-id', (event, webviewId) => {
-			const webviews = document.querySelectorAll('webview');
-			webviews.forEach(webview => {
-				const currentId = webview.getWebContents().id;
-				const tabId = webview.getAttribute('data-tab-id');
-				const concurrentTab = document.querySelector(`div[data-tab-id="${tabId}"]`);
-				if (currentId === webviewId) {
-					concurrentTab.click();
-				}
-			});
-		});
-
-		ipcRenderer.on('render-taskbar-icon', (event, messageCount) => {
-			// Create a canvas from unread messagecounts
-			function createOverlayIcon(messageCount) {
-				const canvas = document.createElement('canvas');
-				canvas.height = 128;
-				canvas.width = 128;
-				canvas.style.letterSpacing = '-5px';
-				const ctx = canvas.getContext('2d');
-				ctx.fillStyle = '#f42020';
-				ctx.beginPath();
-				ctx.ellipse(64, 64, 64, 64, 0, 0, 2 * Math.PI);
-				ctx.fill();
-				ctx.textAlign = 'center';
-				ctx.fillStyle = 'white';
-				if (messageCount > 99) {
-					ctx.font = '65px Helvetica';
-					ctx.fillText('99+', 64, 85);
-				} else if (messageCount < 10) {
-					ctx.font = '90px Helvetica';
-					ctx.fillText(String(Math.min(99, messageCount)), 64, 96);
-				} else {
-					ctx.font = '85px Helvetica';
-					ctx.fillText(String(Math.min(99, messageCount)), 64, 90);
-				}
-				return canvas;
-			}
-			ipcRenderer.send('update-taskbar-icon', createOverlayIcon(messageCount).toDataURL(), String(messageCount));
-		});
-
-		ipcRenderer.on('open-feedback-modal', () => {
-			feedbackHolder.classList.add('show');
-		});
-
-		ipcRenderer.on('copy-zulip-url', () => {
-			clipboard.writeText(this.getCurrentActiveServer());
-		});
-
-		ipcRenderer.on('new-server', () => {
-			this.openSettings('AddServer');
-		});
-	}
-}
-
-window.onload = () => {
-	const serverManagerView = new ServerManagerView();
-	const reconnectUtil = new ReconnectUtil(serverManagerView);
-	serverManagerView.init();
-	window.addEventListener('online', () => {
-		reconnectUtil.pollInternetAndReload();
-	});
-
-	window.addEventListener('offline', () => {
-		reconnectUtil.clearState();
-		logger.log('No internet connection, you are offline.');
-	});
-
-	// only start electron-connect (auto reload on change) when its ran
-	// from `npm run dev` or `gulp dev` and not from `npm start` when
-	// app is started `npm start` main process's proces.argv will have
-	// `--no-electron-connect`
-	const mainProcessArgv = remote.getGlobal('process').argv;
-	if (isDev && !mainProcessArgv.includes('--no-electron-connect')) {
-		const electronConnect = require('electron-connect');
-		electronConnect.client.create();
-	}
-};

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

@@ -1,100 +0,0 @@
-'use strict';
-
-const { ipcRenderer } = require('electron');
-const url = require('url');
-const MacNotifier = require('node-mac-notifier');
-const ConfigUtil = require('../utils/config-util');
-const {
-	appId, customReply, focusCurrentServer, parseReply, setupReply
-} = require('./helpers');
-
-let replyHandler;
-let clickHandler;
-class DarwinNotification {
-	constructor(title, opts) {
-		const silent = ConfigUtil.getConfigItem('silent') || false;
-		const { host, protocol } = location;
-		const { icon } = opts;
-		const profilePic = url.resolve(`${protocol}//${host}`, icon);
-
-		this.tag = opts.tag;
-		const notification = new MacNotifier(title, Object.assign(opts, {
-			bundleId: appId,
-			canReply: true,
-			silent,
-			icon: profilePic
-		}));
-
-		notification.addEventListener('click', () => {
-			// focus to the server who sent the
-			// notification if not focused already
-			if (clickHandler) {
-				clickHandler();
-			}
-
-			focusCurrentServer();
-			ipcRenderer.send('focus-app');
-		});
-
-		notification.addEventListener('reply', this.notificationHandler);
-	}
-
-	static requestPermission() {
-		return; // eslint-disable-line no-useless-return
-	}
-
-	// Override default Notification permission
-	static get permission() {
-		return ConfigUtil.getConfigItem('showNotification') ? 'granted' : 'denied';
-	}
-
-	set onreply(handler) {
-		replyHandler = handler;
-	}
-
-	get onreply() {
-		return replyHandler;
-	}
-
-	set onclick(handler) {
-		clickHandler = handler;
-	}
-
-	get onclick() {
-		return clickHandler;
-	}
-
-	// not something that is common or
-	// used by zulip server but added to be
-	// future proff.
-	addEventListener(event, handler) {
-		if (event === 'click') {
-			clickHandler = handler;
-		}
-
-		if (event === 'reply') {
-			replyHandler = handler;
-		}
-	}
-
-	notificationHandler({ response }) {
-		response = parseReply(response);
-		focusCurrentServer();
-		setupReply(this.tag);
-
-		if (replyHandler) {
-			replyHandler(response);
-			return;
-		}
-
-		customReply(response);
-	}
-
-	// method specific to notification api
-	// used by zulip
-	close() {
-		return; // eslint-disable-line no-useless-return
-	}
-}
-
-module.exports = DarwinNotification;

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

@@ -1,31 +0,0 @@
-'use strict';
-
-const { ipcRenderer } = require('electron');
-const ConfigUtil = require('../utils/config-util');
-const { focusCurrentServer } = require('./helpers');
-
-const NativeNotification = window.Notification;
-class BaseNotification extends NativeNotification {
-	constructor(title, opts) {
-		opts.silent = true;
-		super(title, opts);
-
-		this.addEventListener('click', () => {
-			// focus to the server who sent the
-			// notification if not focused already
-			focusCurrentServer();
-			ipcRenderer.send('focus-app');
-		});
-	}
-
-	static requestPermission() {
-		return; // eslint-disable-line no-useless-return
-	}
-
-	// Override default Notification permission
-	static get permission() {
-		return ConfigUtil.getConfigItem('showNotification') ? 'granted' : 'denied';
-	}
-}
-
-module.exports = BaseNotification;

app/renderer/js/notification/helpers.js

@@ -1,156 +0,0 @@
-const { remote } = require('electron');
-const Logger = require('../utils/logger-util.js');
-
-const logger = new Logger({
-	file: 'errors.log',
-	timestamp: true
-});
-
-// Do not change this
-const appId = 'org.zulip.zulip-electron';
-
-const botsList = [];
-let botsListLoaded = false;
-
-// 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
-function loadBots(sync = false) {
-	const { $ } = window;
-	botsList.length = 0;
-	if (sync) {
-		$.ajaxSetup({async: false});
-	}
-	$.getJSON('/json/users')
-		.done(data => {
-			const members = data.members;
-			members.forEach(membersRow => {
-				if (membersRow.is_bot) {
-					const bot = `@${membersRow.full_name}`;
-					const mention = `@**${bot.replace(/^@/, '')}**`;
-					botsList.push([bot, mention]);
-				}
-			});
-			botsListLoaded = true;
-		})
-		.fail(error => {
-			logger.log('Load bots request failed: ', error.responseText);
-			logger.log('Load bots request status: ', error.statusText);
-		});
-	if (sync) {
-		$.ajaxSetup({async: true});
-	}
-}
-
-function checkElements(...elements) {
-	let status = true;
-	elements.forEach(element => {
-		if (element === null || element === undefined) {
-			status = false;
-		}
-	});
-	return status;
-}
-
-function customReply(reply) {
-	// server does not support notification reply yet.
-	const buttonSelector = '.messagebox #send_controls button[type=submit]';
-	const messageboxSelector = '.selected_message .messagebox .messagebox-border .messagebox-content';
-	const textarea = document.querySelector('#compose-textarea');
-	const messagebox = document.querySelector(messageboxSelector);
-	const sendButton = document.querySelector(buttonSelector);
-
-	// sanity check for old server versions
-	const elementsExists = checkElements(textarea, messagebox, sendButton);
-	if (!elementsExists) {
-		return;
-	}
-
-	textarea.value = reply;
-	messagebox.click();
-	sendButton.click();
-}
-
-const currentWindow = remote.getCurrentWindow();
-const webContents = remote.getCurrentWebContents();
-const webContentsId = webContents.id;
-
-// this function will focus the server that sent
-// the notification. Main function implemented in main.js
-function focusCurrentServer() {
-	currentWindow.send('focus-webview-with-id', webContentsId);
-}
-// this function parses the reply from to notification
-// making it easier to reply from notification eg
-// @username in reply will be converted to @**username**
-// #stream in reply will be converted to #**stream**
-// bot mentions are not yet supported
-function parseReply(reply) {
-	const usersDiv = document.querySelectorAll('#user_presences li');
-	const streamHolder = document.querySelectorAll('#stream_filters li');
-	const users = [];
-	const streams = [];
-
-	usersDiv.forEach(userRow => {
-		const anchor = userRow.querySelector('span a');
-		if (anchor !== null) {
-			const user = `@${anchor.textContent.trim()}`;
-			const mention = `@**${user.replace(/^@/, '')}**`;
-			users.push([user, mention]);
-		}
-	});
-
-	streamHolder.forEach(stream => {
-		const streamAnchor = stream.querySelector('div a');
-		if (streamAnchor !== null) {
-			const streamName = `#${streamAnchor.textContent.trim()}`;
-			const streamMention = `#**${streamName.replace(/^#/, '')}**`;
-			streams.push([streamName, streamMention]);
-		}
-	});
-
-	users.forEach(([user, mention]) => {
-		if (reply.includes(user)) {
-			const regex = new RegExp(user, 'g');
-			reply = reply.replace(regex, mention);
-		}
-	});
-
-	streams.forEach(([stream, streamMention]) => {
-		const regex = new RegExp(stream, 'g');
-		reply = reply.replace(regex, streamMention);
-	});
-
-	// 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
-	// @botname with @**botname**
-	botsList.forEach(([bot, mention]) => {
-		if (reply.includes(bot)) {
-			const regex = new RegExp(bot, 'g');
-			reply = reply.replace(regex, mention);
-		}
-	});
-
-	reply = reply.replace(/\\n/, '\n');
-	return reply;
-}
-
-function setupReply(id) {
-	const { narrow } = window;
-	const narrowByTopic = narrow.by_topic || narrow.by_subject;
-	narrowByTopic(id, { trigger: 'notification' });
-}
-
-module.exports = {
-	appId,
-	checkElements,
-	customReply,
-	parseReply,
-	setupReply,
-	focusCurrentServer,
-	loadBots
-};

app/renderer/js/notification/index.js

@@ -1,27 +0,0 @@
-'use strict';
-
-const {
-  remote: { app }
-} = require('electron');
-
-const params = require('../utils/params-util.js');
-const DefaultNotification = require('./default-notification');
-const { appId, loadBots } = require('./helpers');
-
-// 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);
-
-window.Notification = DefaultNotification;
-
-if (process.platform === 'darwin') {
-	const DarwinNotification = require('./darwin-notifications');
-	window.Notification = DarwinNotification;
-}
-
-window.addEventListener('load', () => {
-	// eslint-disable-next-line no-undef, camelcase
-	if (params.isPageParams() && page_params.realm_uri) {
-		loadBots();
-	}
-});

app/renderer/js/notification/index.ts

@@ -0,0 +1,41 @@
+import {ipcRenderer} from "../typed-ipc-renderer.js";
+
+export type NotificationData = {
+  close: () => void;
+  title: string;
+  dir: NotificationDirection;
+  lang: string;
+  body: string;
+  tag: string;
+  icon: string;
+  data: unknown;
+};
+
+export function newNotification(
+  title: string,
+  options: NotificationOptions,
+  dispatch: (type: string, eventInit: EventInit) => boolean,
+): NotificationData {
+  const notification = new Notification(title, {...options, silent: true});
+  for (const type of ["click", "close", "error", "show"]) {
+    notification.addEventListener(type, (ev) => {
+      if (type === "click") ipcRenderer.send("focus-this-webview");
+      if (!dispatch(type, ev)) {
+        ev.preventDefault();
+      }
+    });
+  }
+
+  return {
+    close() {
+      notification.close();
+    },
+    title: notification.title,
+    dir: notification.dir,
+    lang: notification.lang,
+    body: notification.body,
+    tag: notification.tag,
+    icon: notification.icon,
+    data: notification.data,
+  };
+}

app/renderer/js/pages/about.ts

@@ -0,0 +1,24 @@
+import {app} from "@electron/remote";
+
+import {bundleUrl} from "../../../common/paths.js";
+
+export class AboutView {
+  static async create(): Promise<AboutView> {
+    return new AboutView(
+      await (await fetch(new URL("app/renderer/about.html", bundleUrl))).text(),
+    );
+  }
+
+  readonly $view: HTMLElement;
+
+  private constructor(templateHtml: string) {
+    this.$view = document.createElement("div");
+    const $shadow = this.$view.attachShadow({mode: "open"});
+    $shadow.innerHTML = templateHtml;
+    $shadow.querySelector("#version")!.textContent = `v${app.getVersion()}`;
+  }
+
+  destroy() {
+    // Do nothing.
+  }
+}

app/renderer/js/pages/network.js

@@ -1,20 +0,0 @@
-'use strict';
-
-const {ipcRenderer} = require('electron');
-
-class NetworkTroubleshootingView {
-	constructor() {
-		this.$reconnectButton = document.getElementById('reconnect');
-	}
-
-	init() {
-		this.$reconnectButton.addEventListener('click', () => {
-			ipcRenderer.send('forward-message', 'reload-viewer');
-		});
-	}
-}
-
-window.onload = () => {
-	const networkTroubleshootingView = new NetworkTroubleshootingView();
-	networkTroubleshootingView.init();
-};

app/renderer/js/pages/network.ts

@@ -0,0 +1,13 @@
+import {ipcRenderer} from "../typed-ipc-renderer.js";
+
+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");
+  });
+}

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

@@ -1,92 +0,0 @@
-'use-strict';
-
-const { dialog } = require('electron').remote;
-const path = require('path');
-
-const BaseComponent = require(__dirname + '/../../components/base.js');
-const CertificateUtil = require(__dirname + '/../../utils/certificate-util.js');
-const DomainUtil = require(__dirname + '/../../utils/domain-util.js');
-
-class AddCertificate extends BaseComponent {
-	constructor(props) {
-		super();
-		this.props = props;
-		this._certFile = '';
-	}
-
-	template() {
-		return `
-			<div class="settings-card certificates-card">
-				<div class="certificate-input">
-					<div>Organization URL</div>
-					<input class="setting-input-value" autofocus placeholder="your-organization.zulipchat.com or zulip.your-organization.com"/>
-				</div>
-				<div class="certificate-input">
-					<div>Certificate file</div>
-					<button class="green" id="add-certificate-button">Upload</button>
-				</div>
-			</div>
-		`;
-	}
-
-	init() {
-		this.$addCertificate = this.generateNodeFromTemplate(this.template());
-		this.props.$root.appendChild(this.$addCertificate);
-		this.addCertificateButton = this.$addCertificate.querySelector('#add-certificate-button');
-		this.serverUrl = this.$addCertificate.querySelectorAll('input.setting-input-value')[0];
-		this.initListeners();
-	}
-
-	validateAndAdd() {
-		const certificate = this._certFile;
-		const serverUrl = this.serverUrl.value;
-		if (certificate !== '' && serverUrl !== '') {
-			const server = encodeURIComponent(DomainUtil.formatUrl(serverUrl));
-			const fileName = path.basename(certificate);
-			const copy = CertificateUtil.copyCertificate(server, certificate, fileName);
-			if (!copy) {
-				return;
-			}
-			CertificateUtil.setCertificate(server, fileName);
-			dialog.showMessageBox({
-				title: 'Success',
-				message: `Certificate saved!`
-			});
-			this.serverUrl.value = '';
-		} else {
-			dialog.showErrorBox('Error', `Please, ${serverUrl === '' ?
-      'Enter an Organization URL' : 'Choose certificate file'}`);
-		}
-	}
-
-	addHandler() {
-		const showDialogOptions = {
-			title: 'Select file',
-			defaultId: 1,
-			properties: ['openFile'],
-			filters: [{ name: 'crt, pem', extensions: ['crt', 'pem'] }]
-		};
-		dialog.showOpenDialog(showDialogOptions, selectedFile => {
-			if (selectedFile) {
-				this._certFile = selectedFile[0] || '';
-				this.validateAndAdd();
-			}
-		});
-	}
-
-	initListeners() {
-		this.addCertificateButton.addEventListener('click', () => {
-			this.addHandler();
-		});
-
-		this.serverUrl.addEventListener('keypress', event => {
-			const EnterkeyCode = event.keyCode;
-
-			if (EnterkeyCode === 13) {
-				this.addHandler();
-			}
-		});
-	}
-}
-
-module.exports = AddCertificate;

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

@@ -1,63 +0,0 @@
-'use strict';
-const electron = require('electron');
-const { app } = require('electron');
-
-const ConfigUtil = require(__dirname + '/../../utils/config-util.js');
-
-let instance = null;
-
-class BadgeSettings {
-	constructor() {
-		if (instance) {
-			return instance;
-		} else {
-			instance = this;
-		}
-
-		return instance;
-	}
-
-	showBadgeCount(messageCount, mainWindow) {
-		if (process.platform === 'darwin') {
-			app.setBadgeCount(messageCount);
-		}
-		if (process.platform === 'win32') {
-			this.updateOverlayIcon(messageCount, mainWindow);
-		}
-	}
-
-	hideBadgeCount(mainWindow) {
-		if (process.platform === 'darwin') {
-			app.setBadgeCount(0);
-		}
-		if (process.platform === 'win32') {
-			mainWindow.setOverlayIcon(null, '');
-		}
-	}
-
-	updateBadge(badgeCount, mainWindow) {
-		if (ConfigUtil.getConfigItem('badgeOption', true)) {
-			this.showBadgeCount(badgeCount, mainWindow);
-		} else {
-			this.hideBadgeCount(mainWindow);
-		}
-	}
-
-	updateOverlayIcon(messageCount, mainWindow) {
-		if (!mainWindow.isFocused()) {
-			mainWindow.flashFrame(ConfigUtil.getConfigItem('flashTaskbarOnMessage'));
-		}
-		if (messageCount === 0) {
-			mainWindow.setOverlayIcon(null, '');
-		} else {
-			mainWindow.webContents.send('render-taskbar-icon', messageCount);
-		}
-	}
-
-	updateTaskbarIcon(data, text, mainWindow) {
-		const img = electron.nativeImage.createFromDataURL(data);
-		mainWindow.setOverlayIcon(img, text);
-	}
-}
-
-module.exports = new BadgeSettings();

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

@@ -1,46 +0,0 @@
-'use strict';
-
-const {ipcRenderer} = require('electron');
-
-const BaseComponent = require(__dirname + '/../../components/base.js');
-
-class BaseSection extends BaseComponent {
-	generateSettingOption(props) {
-		const {$element, value, clickHandler} = props;
-
-		$element.innerHTML = '';
-
-		const $optionControl = this.generateNodeFromTemplate(this.generateOptionTemplate(value));
-		$element.appendChild($optionControl);
-
-		$optionControl.addEventListener('click', clickHandler);
-	}
-
-	generateOptionTemplate(settingOption) {
-		if (settingOption) {
-			return `
-				<div class="action">
-					<div class="switch">
-					  <input class="toggle toggle-round" type="checkbox" checked>
-					  <label></label>
-					</div>
-				</div>
-			`;
-		} else {
-			return `
-				<div class="action">
-					<div class="switch">
-					  <input class="toggle toggle-round" type="checkbox">
-					  <label></label>
-					</div>
-				</div>
-			`;
-		}
-	}
-
-	reloadApp() {
-		ipcRenderer.send('forward-message', 'reload-viewer');
-	}
-}
-
-module.exports = BaseSection;

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

@@ -0,0 +1,84 @@
+import type {Html} from "../../../../common/html.js";
+import {html} from "../../../../common/html.js";
+import {generateNodeFromHtml} from "../../components/base.js";
+import {ipcRenderer} from "../../typed-ipc-renderer.js";
+
+type BaseSectionProps = {
+  $element: HTMLElement;
+  disabled?: boolean;
+  value: boolean;
+  clickHandler: () => void;
+};
+
+export function generateSettingOption(props: BaseSectionProps): void {
+  const {$element, disabled, value, clickHandler} = props;
+
+  $element.textContent = "";
+
+  const $optionControl = generateNodeFromHtml(
+    generateOptionHtml(value, disabled),
+  );
+  $element.append($optionControl);
+
+  if (!disabled) {
+    $optionControl.addEventListener("click", clickHandler);
+  }
+}
+
+export function generateOptionHtml(
+  settingOption: boolean,
+  disabled?: boolean,
+): Html {
+  const labelHtml = disabled
+    ? // eslint-disable-next-line unicorn/template-indent
+      html`<label
+        class="disallowed"
+        title="Setting locked by system administrator."
+      ></label>`
+    : html`<label></label>`;
+  if (settingOption) {
+    return html`
+      <div class="action">
+        <div class="switch">
+          <input class="toggle toggle-round" type="checkbox" checked disabled />
+          ${labelHtml}
+        </div>
+      </div>
+    `;
+  }
+
+  return html`
+    <div class="action">
+      <div class="switch">
+        <input class="toggle toggle-round" type="checkbox" />
+        ${labelHtml}
+      </div>
+    </div>
+  `;
+}
+
+/* A method that in future can be used to create dropdown menus using <select> <option> tags.
+     it needs an object which has ``key: value`` pairs and will return a string that can be appended to HTML
+  */
+export function generateSelectHtml(
+  options: Record<string, string>,
+  className?: string,
+  idName?: string,
+): Html {
+  const optionsHtml = html``.join(
+    Object.keys(options).map(
+      (key) => html`
+        <option name="${key}" value="${key}">${options[key]}</option>
+      `,
+    ),
+  );
+  return html`
+    <select class="${className}" id="${idName}">
+      ${optionsHtml}
+    </select>
+  `;
+}
+
+export function reloadApp(): void {
+  ipcRenderer.send("forward-message", "reload-viewer");
+}

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

@@ -1,82 +0,0 @@
-'use strict';
-
-const BaseSection = require(__dirname + '/base-section.js');
-const DomainUtil = require(__dirname + '/../../utils/domain-util.js');
-const ServerInfoForm = require(__dirname + '/server-info-form.js');
-const AddCertificate = require(__dirname + '/add-certificate.js');
-const FindAccounts = require(__dirname + '/find-accounts.js');
-
-class ConnectedOrgSection extends BaseSection {
-	constructor(props) {
-		super();
-		this.props = props;
-	}
-
-	template() {
-		return `
-			<div class="settings-pane" id="server-settings-pane">
-				<div class="page-title">Connected organizations</div>
-				<div class="title" id="existing-servers">All the connected orgnizations will appear here.</div>
-				<div id="server-info-container"></div>
-				<div id="new-org-button"><button class="green sea w-250">Connect to another organization</button></div>
-				<div class="page-title">Add Custom Certificates</div>
-				<div id="add-certificate-container"></div>
-				<div class="page-title">Find accounts by email</div>
-				<div id="find-accounts-container"></div>
-			</div>
-		`;
-	}
-
-	init() {
-		this.initServers();
-	}
-
-	initServers() {
-		this.props.$root.innerHTML = '';
-
-		const servers = DomainUtil.getDomains();
-		this.props.$root.innerHTML = this.template();
-
-		this.$serverInfoContainer = document.getElementById('server-info-container');
-		this.$existingServers = document.getElementById('existing-servers');
-		this.$newOrgButton = document.getElementById('new-org-button');
-		this.$addCertificateContainer = document.getElementById('add-certificate-container');
-		this.$findAccountsContainer = document.getElementById('find-accounts-container');
-
-		const noServerText = 'All the connected orgnizations will appear here';
-		// Show noServerText if no servers are there otherwise hide it
-		this.$existingServers.innerHTML = servers.length === 0 ? noServerText : '';
-
-		for (let i = 0; i < servers.length; i++) {
-			new ServerInfoForm({
-				$root: this.$serverInfoContainer,
-				server: servers[i],
-				index: i,
-				onChange: this.reloadApp
-			}).init();
-		}
-
-		this.$newOrgButton.addEventListener('click', () => {
-			// We don't need to import this since it's already imported in other files
-			// eslint-disable-next-line no-undef
-			ipcRenderer.send('forward-message', 'open-org-tab');
-		});
-
-		this.initAddCertificate();
-		this.initFindAccounts();
-	}
-
-	initAddCertificate() {
-		new AddCertificate({
-			$root: this.$addCertificateContainer
-		}).init();
-	}
-
-	initFindAccounts() {
-		new FindAccounts({
-			$root: this.$findAccountsContainer
-		}).init();
-	}
-}
-
-module.exports = ConnectedOrgSection;

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

@@ -0,0 +1,67 @@
+import {html} from "../../../../common/html.js";
+import * as t from "../../../../common/translation-util.js";
+import {ipcRenderer} from "../../typed-ipc-renderer.js";
+import * as DomainUtil from "../../utils/domain-util.js";
+
+import {reloadApp} from "./base-section.js";
+import {initFindAccounts} from "./find-accounts.js";
+import {initServerInfoForm} from "./server-info-form.js";
+
+type ConnectedOrgSectionProps = {
+  $root: Element;
+};
+
+export function initConnectedOrgSection({
+  $root,
+}: ConnectedOrgSectionProps): void {
+  $root.textContent = "";
+
+  const servers = DomainUtil.getDomains();
+  $root.innerHTML = html`
+    <div class="settings-pane" id="server-settings-pane">
+      <div class="page-title">${t.__("Connected organizations")}</div>
+      <div class="title" id="existing-servers">
+        ${t.__("All the connected organizations will appear here.")}
+      </div>
+      <div id="server-info-container"></div>
+      <div id="new-org-button">
+        <button class="green sea w-250">
+          ${t.__("Connect to another organization")}
+        </button>
+      </div>
+      <div class="page-title">${t.__("Find accounts by email")}</div>
+      <div id="find-accounts-container"></div>
+    </div>
+  `.html;
+
+  const $serverInfoContainer = $root.querySelector("#server-info-container")!;
+  const $existingServers = $root.querySelector("#existing-servers")!;
+  const $newOrgButton: HTMLButtonElement =
+    $root.querySelector("#new-org-button")!;
+  const $findAccountsContainer = $root.querySelector(
+    "#find-accounts-container",
+  )!;
+
+  const noServerText = t.__(
+    "All the connected organizations will appear here.",
+  );
+  // Show noServerText if no servers are there otherwise hide it
+  $existingServers.textContent = servers.length === 0 ? noServerText : "";
+
+  for (const [i, server] of servers.entries()) {
+    initServerInfoForm({
+      $root: $serverInfoContainer,
+      server,
+      index: i,
+      onChange: reloadApp,
+    });
+  }
+
+  $newOrgButton.addEventListener("click", () => {
+    ipcRenderer.send("forward-message", "open-org-tab");
+  });
+
+  initFindAccounts({
+    $root: $findAccountsContainer,
+  });
+}

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

@@ -1,72 +0,0 @@
-'use-strict';
-
-const { shell } = require('electron');
-
-const BaseComponent = require(__dirname + '/../../components/base.js');
-
-class FindAccounts extends BaseComponent {
-	constructor(props) {
-		super();
-		this.props = props;
-	}
-
-	template() {
-		return `
-			<div class="settings-card certificate-card">
-				<div class="certificate-input">
-					<div>Organization URL</div>
-					<input class="setting-input-value" value="zulipchat.com"/>
-				</div>
-				<div class="certificate-input">
-					<button class="green w-150" id="find-accounts-button">Find accounts</button>
-				</div>
-			</div>
-		`;
-	}
-
-	init() {
-		this.$findAccounts = this.generateNodeFromTemplate(this.template());
-		this.props.$root.appendChild(this.$findAccounts);
-		this.$findAccountsButton = this.$findAccounts.querySelector('#find-accounts-button');
-		this.$serverUrlField = this.$findAccounts.querySelectorAll('input.setting-input-value')[0];
-		this.initListeners();
-	}
-
-	findAccounts(url) {
-		if (!url) {
-			return;
-		}
-		if (!url.startsWith('http')) {
-			url = 'https://' + url;
-		}
-		shell.openExternal(url + '/accounts/find');
-	}
-
-	initListeners() {
-		this.$findAccountsButton.addEventListener('click', () => {
-			this.findAccounts(this.$serverUrlField.value);
-		});
-
-		this.$serverUrlField.addEventListener('click', () => {
-			if (this.$serverUrlField.value === 'zulipchat.com') {
-				this.$serverUrlField.setSelectionRange(0, 0);
-			}
-		});
-
-		this.$serverUrlField.addEventListener('keypress', event => {
-			if (event.keyCode === 13) {
-				this.findAccounts(this.$serverUrlField.value);
-			}
-		});
-
-		this.$serverUrlField.addEventListener('input', () => {
-			if (this.$serverUrlField.value) {
-				this.$serverUrlField.classList.remove('invalid-input-value');
-			} else {
-				this.$serverUrlField.classList.add('invalid-input-value');
-			}
-		});
-	}
-}
-
-module.exports = FindAccounts;

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

@@ -0,0 +1,66 @@
+import {html} from "../../../../common/html.js";
+import * as LinkUtil from "../../../../common/link-util.js";
+import * as t from "../../../../common/translation-util.js";
+import {generateNodeFromHtml} from "../../components/base.js";
+
+type FindAccountsProps = {
+  $root: Element;
+};
+
+async function findAccounts(url: string): Promise<void> {
+  if (!url) {
+    return;
+  }
+
+  if (!url.startsWith("http")) {
+    url = "https://" + url;
+  }
+
+  await LinkUtil.openBrowser(new URL("/accounts/find", url));
+}
+
+export function initFindAccounts(props: FindAccountsProps): void {
+  const $findAccounts = generateNodeFromHtml(html`
+    <div class="settings-card certificate-card">
+      <div class="certificate-input">
+        <div>${t.__("Organization URL")}</div>
+        <input class="setting-input-value" value="zulipchat.com" />
+      </div>
+      <div class="certificate-input">
+        <button class="green w-150" id="find-accounts-button">
+          ${t.__("Find accounts")}
+        </button>
+      </div>
+    </div>
+  `);
+  props.$root.append($findAccounts);
+  const $findAccountsButton = $findAccounts.querySelector(
+    "#find-accounts-button",
+  )!;
+  const $serverUrlField: HTMLInputElement = $findAccounts.querySelector(
+    "input.setting-input-value",
+  )!;
+
+  $findAccountsButton.addEventListener("click", async () => {
+    await findAccounts($serverUrlField.value);
+  });
+
+  $serverUrlField.addEventListener("click", () => {
+    if ($serverUrlField.value === "zulipchat.com") {
+      $serverUrlField.setSelectionRange(0, 0);
+    }
+  });
+
+  $serverUrlField.addEventListener("keypress", async (event) => {
+    if (event.key === "Enter") {
+      await findAccounts($serverUrlField.value);
+    }
+  });
+
+  $serverUrlField.addEventListener("input", () => {
+    $serverUrlField.classList.toggle(
+      "invalid-input-value",
+      $serverUrlField.value === "",
+    );
+  });
+}

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

@@ -1,450 +0,0 @@
-'use strict';
-const path = require('path');
-const { ipcRenderer, remote } = require('electron');
-const fs = require('fs-extra');
-
-const { app, dialog } = remote;
-const currentBrowserWindow = remote.getCurrentWindow();
-const BaseSection = require(__dirname + '/base-section.js');
-const ConfigUtil = require(__dirname + '/../../utils/config-util.js');
-
-class GeneralSection extends BaseSection {
-	constructor(props) {
-		super();
-		this.props = props;
-	}
-
-	template() {
-		return `
-            <div class="settings-pane">
-                <div class="title">Appearance</div>
-                <div id="appearance-option-settings" class="settings-card">
-					<div class="setting-row" id="tray-option">
-						<div class="setting-description">Show app icon in system tray</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="menubar-option" style= "display:${process.platform === 'darwin' ? 'none' : ''}">
-						<div class="setting-description">Auto hide menu bar (Press Alt key to display)</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="sidebar-option">
-						<div class="setting-description">Show sidebar (<span class="code">${process.platform === 'darwin' ? 'Cmd+Shift+S' : 'Ctrl+Shift+S'}</span>)</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="badge-option">
-						<div class="setting-description">Show app unread badge</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="dock-bounce-option" style= "display:${process.platform === 'darwin' ? '' : 'none'}">
-						<div class="setting-description">Bounce dock on new private message</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="flash-taskbar-option" style= "display:${process.platform === 'win32' ? '' : 'none'}">
-						<div class="setting-description">Flash taskbar on new message</div>
-						<div class="setting-control"></div>
-					</div>
-				</div>
-				<div class="title">Desktop Notifications</div>
-				<div class="settings-card">
-					<div class="setting-row" id="show-notification-option">
-						<div class="setting-description">Show desktop notifications</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="silent-option">
-						<div class="setting-description">Mute all sounds from Zulip</div>
-						<div class="setting-control"></div>
-					</div>
-				</div>
-				<div class="title">App Updates</div>
-				<div class="settings-card">
-				<div class="setting-row" id="autoupdate-option">
-						<div class="setting-description">Enable auto updates</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="betaupdate-option">
-						<div class="setting-description">Get beta updates</div>
-						<div class="setting-control"></div>
-					</div>
-				</div>
-				<div class="title">Functionality</div>
-                <div class="settings-card">
-					<div class="setting-row" id="startAtLogin-option">
-						<div class="setting-description">Start app at login</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="start-minimize-option">
-						<div class="setting-description">Always start minimized</div>
-						<div class="setting-control"></div>
-					</div>
-					<div class="setting-row" id="enable-spellchecker-option">
-						<div class="setting-description">Enable spellchecker (requires restart)</div>
-						<div class="setting-control"></div>
-					</div>
-				</div>
-				<div class="title">Advanced</div>
-				<div class="settings-card">
-				<div class="setting-row" id="enable-error-reporting">
-					<div class="setting-description">Enable error reporting (requires restart)</div>
-					<div class="setting-control"></div>
-				</div>
-				<div class="setting-row" id="show-download-folder">
-					<div class="setting-description">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">
-					Add custom CSS
-				</div>
-				<button class="custom-css-button green">Upload</button>
-			</div>
-			<div class="setting-row" id="remove-custom-css">
-				<div class="setting-description">
-					<div class="selected-css-path" id="custom-css-path">${ConfigUtil.getConfigItem('customCSS')}</div>
-				</div>
-				<div class="action red" id="css-delete-action">
-					<i class="material-icons">indeterminate_check_box</i>
-					<span>Delete</span>
-				</div>
-			</div>
-					<div class="setting-row" id="download-folder">
-						<div class="setting-description">
-							Default download location
-						</div>
-						<button class="download-folder-button green">Change</button>
-					</div>
-					<div class="setting-row">
-						<div class="setting-description">
-							<div class="download-folder-path">${ConfigUtil.getConfigItem('downloadsPath', `${app.getPath('downloads')}`)}</div>
-						</div>
-					</div>
-
-				</div>
-				<div class="title">Reset Application Data</div>
-                <div class="settings-card">
-					<div class="setting-row" id="resetdata-option">
-						<div class="setting-description">This will delete all application data including all added accounts and preferences
-						</div>
-						<button class="reset-data-button red w-150">Reset App Data</button>
-					</div>
-				</div>
-            </div>
-		`;
-	}
-
-	init() {
-		this.props.$root.innerHTML = this.template();
-		this.updateTrayOption();
-		this.updateBadgeOption();
-		this.updateSilentOption();
-		this.autoUpdateOption();
-		this.betaUpdateOption();
-		this.updateSidebarOption();
-		this.updateStartAtLoginOption();
-		this.updateResetDataOption();
-		this.showDesktopNotification();
-		this.enableSpellchecker();
-		this.minimizeOnStart();
-		this.addCustomCSS();
-		this.showCustomCSSPath();
-		this.removeCustomCSS();
-		this.downloadFolder();
-		this.showDownloadFolder();
-		this.enableErrorReporting();
-
-		// Platform specific settings
-
-		// Flashing taskbar on Windows
-		if (process.platform === 'win32') {
-			this.updateFlashTaskbar();
-		}
-		// Dock bounce on macOS
-		if (process.platform === 'darwin') {
-			this.updateDockBouncing();
-		}
-
-		// Auto hide menubar on Windows and Linux
-		if (process.platform !== 'darwin') {
-			this.updateMenubarOption();
-		}
-	}
-
-	updateTrayOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#tray-option .setting-control'),
-			value: ConfigUtil.getConfigItem('trayIcon', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('trayIcon');
-				ConfigUtil.setConfigItem('trayIcon', newValue);
-				ipcRenderer.send('forward-message', 'toggletray');
-				this.updateTrayOption();
-			}
-		});
-	}
-
-	updateMenubarOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#menubar-option .setting-control'),
-			value: ConfigUtil.getConfigItem('autoHideMenubar', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('autoHideMenubar');
-				ConfigUtil.setConfigItem('autoHideMenubar', newValue);
-				ipcRenderer.send('toggle-menubar', newValue);
-				this.updateMenubarOption();
-			}
-		});
-	}
-
-	updateBadgeOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#badge-option .setting-control'),
-			value: ConfigUtil.getConfigItem('badgeOption', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('badgeOption');
-				ConfigUtil.setConfigItem('badgeOption', newValue);
-				ipcRenderer.send('toggle-badge-option', newValue);
-				this.updateBadgeOption();
-			}
-		});
-	}
-
-	updateDockBouncing() {
-		this.generateSettingOption({
-			$element: document.querySelector('#dock-bounce-option .setting-control'),
-			value: ConfigUtil.getConfigItem('dockBouncing', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('dockBouncing');
-				ConfigUtil.setConfigItem('dockBouncing', newValue);
-				this.updateDockBouncing();
-			}
-		});
-	}
-
-	updateFlashTaskbar() {
-		this.generateSettingOption({
-			$element: document.querySelector('#flash-taskbar-option .setting-control'),
-			value: ConfigUtil.getConfigItem('flashTaskbarOnMessage', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('flashTaskbarOnMessage');
-				ConfigUtil.setConfigItem('flashTaskbarOnMessage', newValue);
-				this.updateFlashTaskbar();
-			}
-		});
-	}
-
-	autoUpdateOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#autoupdate-option .setting-control'),
-			value: ConfigUtil.getConfigItem('autoUpdate', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('autoUpdate');
-				ConfigUtil.setConfigItem('autoUpdate', newValue);
-				if (!newValue) {
-					ConfigUtil.setConfigItem('betaUpdate', false);
-					this.betaUpdateOption();
-				}
-				this.autoUpdateOption();
-			}
-		});
-	}
-
-	betaUpdateOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#betaupdate-option .setting-control'),
-			value: ConfigUtil.getConfigItem('betaUpdate', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('betaUpdate');
-				if (ConfigUtil.getConfigItem('autoUpdate')) {
-					ConfigUtil.setConfigItem('betaUpdate', newValue);
-					this.betaUpdateOption();
-				}
-			}
-		});
-	}
-
-	updateSilentOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#silent-option .setting-control'),
-			value: ConfigUtil.getConfigItem('silent', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('silent', true);
-				ConfigUtil.setConfigItem('silent', newValue);
-				this.updateSilentOption();
-				currentBrowserWindow.send('toggle-silent', newValue);
-			}
-		});
-	}
-
-	showDesktopNotification() {
-		this.generateSettingOption({
-			$element: document.querySelector('#show-notification-option .setting-control'),
-			value: ConfigUtil.getConfigItem('showNotification', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('showNotification', true);
-				ConfigUtil.setConfigItem('showNotification', newValue);
-				this.showDesktopNotification();
-			}
-		});
-	}
-
-	updateSidebarOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#sidebar-option .setting-control'),
-			value: ConfigUtil.getConfigItem('showSidebar', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('showSidebar');
-				ConfigUtil.setConfigItem('showSidebar', newValue);
-				ipcRenderer.send('forward-message', 'toggle-sidebar', newValue);
-				this.updateSidebarOption();
-			}
-		});
-	}
-
-	updateStartAtLoginOption() {
-		this.generateSettingOption({
-			$element: document.querySelector('#startAtLogin-option .setting-control'),
-			value: ConfigUtil.getConfigItem('startAtLogin', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('startAtLogin');
-				ConfigUtil.setConfigItem('startAtLogin', newValue);
-				ipcRenderer.send('toggleAutoLauncher', newValue);
-				this.updateStartAtLoginOption();
-			}
-		});
-	}
-
-	enableSpellchecker() {
-		this.generateSettingOption({
-			$element: document.querySelector('#enable-spellchecker-option .setting-control'),
-			value: ConfigUtil.getConfigItem('enableSpellchecker', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('enableSpellchecker');
-				ConfigUtil.setConfigItem('enableSpellchecker', newValue);
-				this.enableSpellchecker();
-			}
-		});
-	}
-
-	enableErrorReporting() {
-		this.generateSettingOption({
-			$element: document.querySelector('#enable-error-reporting .setting-control'),
-			value: ConfigUtil.getConfigItem('errorReporting', true),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('errorReporting');
-				ConfigUtil.setConfigItem('errorReporting', newValue);
-				this.enableErrorReporting();
-			}
-		});
-	}
-
-	clearAppDataDialog() {
-		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() {
-		const showDialogOptions = {
-			title: 'Select file',
-			defaultId: 1,
-			properties: ['openFile'],
-			filters: [{ name: 'CSS file', extensions: ['css'] }]
-		};
-
-		dialog.showOpenDialog(showDialogOptions, selectedFile => {
-			if (selectedFile) {
-				ConfigUtil.setConfigItem('customCSS', selectedFile[0]);
-				ipcRenderer.send('forward-message', 'hard-reload');
-			}
-		});
-	}
-
-	updateResetDataOption() {
-		const resetDataButton = document.querySelector('#resetdata-option .reset-data-button');
-		resetDataButton.addEventListener('click', () => {
-			this.clearAppDataDialog();
-		});
-	}
-
-	minimizeOnStart() {
-		this.generateSettingOption({
-			$element: document.querySelector('#start-minimize-option .setting-control'),
-			value: ConfigUtil.getConfigItem('startMinimized', false),
-			clickHandler: () => {
-				const newValue = !ConfigUtil.getConfigItem('startMinimized');
-				ConfigUtil.setConfigItem('startMinimized', newValue);
-				this.minimizeOnStart();
-			}
-		});
-	}
-
-	addCustomCSS() {
-		const customCSSButton = document.querySelector('#add-custom-css .custom-css-button');
-		customCSSButton.addEventListener('click', () => {
-			this.customCssDialog();
-		});
-	}
-
-	showCustomCSSPath() {
-		if (!ConfigUtil.getConfigItem('customCSS')) {
-			const cssPATH = document.getElementById('remove-custom-css');
-			cssPATH.style.display = 'none';
-		}
-	}
-
-	removeCustomCSS() {
-		const removeCSSButton = document.getElementById('css-delete-action');
-		removeCSSButton.addEventListener('click', () => {
-			ConfigUtil.setConfigItem('customCSS');
-			ipcRenderer.send('forward-message', 'hard-reload');
-		});
-	}
-
-	downloadFolderDialog() {
-		const showDialogOptions = {
-			title: 'Select Download Location',
-			defaultId: 1,
-			properties: ['openDirectory']
-		};
-
-		dialog.showOpenDialog(showDialogOptions, selectedFolder => {
-			if (selectedFolder) {
-				ConfigUtil.setConfigItem('downloadsPath', selectedFolder[0]);
-				const downloadFolderPath = document.querySelector('.download-folder-path');
-				downloadFolderPath.innerText = selectedFolder[0];
-			}
-		});
-	}
-	downloadFolder() {
-		const downloadFolder = document.querySelector('#download-folder .download-folder-button');
-		downloadFolder.addEventListener('click', () => {
-			this.downloadFolderDialog();
-		});
-	}
-
-	showDownloadFolder() {
-		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();
-			}
-		});
-	}
-
-}
-
-module.exports = GeneralSection;

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

@@ -0,0 +1,704 @@
+import type {OpenDialogOptions} from "electron/renderer";
+import fs from "node:fs";
+import path from "node:path";
+import process from "node:process";
+
+import * as remote from "@electron/remote";
+import {app, dialog, session} from "@electron/remote";
+import Tagify from "@yaireo/tagify";
+import ISO6391 from "iso-639-1";
+import {z} from "zod";
+
+import supportedLocales from "../../../../../public/translations/supported-locales.json";
+import * as ConfigUtil from "../../../../common/config-util.js";
+import * as EnterpriseUtil from "../../../../common/enterprise-util.js";
+import {html} from "../../../../common/html.js";
+import * as t from "../../../../common/translation-util.js";
+import {ipcRenderer} from "../../typed-ipc-renderer.js";
+
+import {generateSelectHtml, generateSettingOption} from "./base-section.js";
+
+const currentBrowserWindow = remote.getCurrentWindow();
+
+type GeneralSectionProps = {
+  $root: Element;
+};
+
+export function initGeneralSection({$root}: GeneralSectionProps): void {
+  $root.innerHTML = html`
+    <div class="settings-pane">
+      <div class="title">${t.__("Appearance")}</div>
+      <div id="appearance-option-settings" class="settings-card">
+        <div class="setting-row" id="tray-option">
+          <div class="setting-description">
+            ${t.__("Show app icon in system tray")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div
+          class="setting-row"
+          id="menubar-option"
+          style="display:${process.platform === "darwin" ? "none" : ""}"
+        >
+          <div class="setting-description">
+            ${t.__("Auto hide menu bar (Press Alt key to display)")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="sidebar-option">
+          <div class="setting-description">
+            ${t.__("Show sidebar")} (<span class="code"
+              >${process.platform === "darwin"
+                ? "Cmd+Shift+S"
+                : "Ctrl+Shift+S"}</span
+            >)
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="badge-option">
+          <div class="setting-description">
+            ${t.__("Show app unread badge")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div
+          class="setting-row"
+          id="dock-bounce-option"
+          style="display:${process.platform === "darwin" ? "" : "none"}"
+        >
+          <div class="setting-description">
+            ${t.__("Bounce dock on new private message")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div
+          class="setting-row"
+          id="flash-taskbar-option"
+          style="display:${process.platform === "win32" ? "" : "none"}"
+        >
+          <div class="setting-description">
+            ${t.__("Flash taskbar on new message")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+      </div>
+      <div class="title">${t.__("Desktop Notifications")}</div>
+      <div class="settings-card">
+        <div class="setting-row" id="show-notification-option">
+          <div class="setting-description">
+            ${t.__("Show desktop notifications")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="silent-option">
+          <div class="setting-description">
+            ${t.__("Mute all sounds from Zulip")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+      </div>
+      <div class="title">${t.__("App Updates")}</div>
+      <div class="settings-card">
+        <div class="setting-row" id="autoupdate-option">
+          <div class="setting-description">${t.__("Enable auto updates")}</div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="betaupdate-option">
+          <div class="setting-description">${t.__("Get beta updates")}</div>
+          <div class="setting-control"></div>
+        </div>
+      </div>
+      <div class="title">${t.__("Functionality")}</div>
+      <div class="settings-card">
+        <div class="setting-row" id="startAtLogin-option">
+          <div class="setting-description">${t.__("Start app at login")}</div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="start-minimize-option">
+          <div class="setting-description">
+            ${t.__("Always start minimized")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="quitOnClose-option">
+          <div class="setting-description">
+            ${t.__("Quit when the window is closed")}
+          </div>
+          <div class="setting-control"></div>
+        </div>
+        <div class="setting-row" id="enable-spellchecker-option">
+          <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">
+              ${ConfigUtil.getConfigItem("customCSS", "")}
+            </div>
+          </div>
+          <div class="action red" id="css-delete-action">
+            <i class="material-icons">indeterminate_check_box</i>
+            <span>${t.__("Delete")}</span>
+          </div>
+        </div>
+        <div class="setting-row" id="download-folder">
+          <div class="setting-description">
+            ${t.__("Default download location")}
+          </div>
+          <button class="download-folder-button green">
+            ${t.__("Change")}
+          </button>
+        </div>
+        <div class="setting-row">
+          <div class="setting-description">
+            <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="settings-card">
+        <div class="setting-row" id="factory-reset-option">
+          <div class="setting-description">
+            ${t.__(
+              "Reset the application, thus deleting all the connected organizations and accounts.",
+            )}
+          </div>
+          <button class="factory-reset-button red w-150">
+            ${t.__("Factory Reset")}
+          </button>
+        </div>
+      </div>
+    </div>
+  `.html;
+
+  updateTrayOption();
+  updateBadgeOption();
+  updateSilentOption();
+  autoUpdateOption();
+  betaUpdateOption();
+  updateSidebarOption();
+  updateStartAtLoginOption();
+  factoryReset();
+  showDesktopNotification();
+  enableSpellchecker();
+  minimizeOnStart();
+  addCustomCss();
+  showCustomCssPath();
+  removeCustomCss();
+  downloadFolder();
+  updateQuitOnCloseOption();
+  updatePromptDownloadOption();
+  enableErrorReporting();
+  setLocale();
+  initSpellChecker();
+
+  // Platform specific settings
+
+  // Flashing taskbar on Windows
+  if (process.platform === "win32") {
+    updateFlashTaskbar();
+  }
+
+  // Dock bounce on macOS
+  if (process.platform === "darwin") {
+    updateDockBouncing();
+  }
+
+  // Auto hide menubar on Windows and Linux
+  if (process.platform !== "darwin") {
+    updateMenubarOption();
+  }
+
+  function updateTrayOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#tray-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("trayIcon", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("trayIcon", true);
+        ConfigUtil.setConfigItem("trayIcon", newValue);
+        ipcRenderer.send("forward-message", "toggletray");
+        updateTrayOption();
+      },
+    });
+  }
+
+  function updateMenubarOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#menubar-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("autoHideMenubar", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("autoHideMenubar", false);
+        ConfigUtil.setConfigItem("autoHideMenubar", newValue);
+        ipcRenderer.send("toggle-menubar", newValue);
+        updateMenubarOption();
+      },
+    });
+  }
+
+  function updateBadgeOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#badge-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("badgeOption", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("badgeOption", true);
+        ConfigUtil.setConfigItem("badgeOption", newValue);
+        ipcRenderer.send("toggle-badge-option", newValue);
+        updateBadgeOption();
+      },
+    });
+  }
+
+  function updateDockBouncing(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#dock-bounce-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("dockBouncing", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("dockBouncing", true);
+        ConfigUtil.setConfigItem("dockBouncing", newValue);
+        updateDockBouncing();
+      },
+    });
+  }
+
+  function updateFlashTaskbar(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#flash-taskbar-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("flashTaskbarOnMessage", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem(
+          "flashTaskbarOnMessage",
+          true,
+        );
+        ConfigUtil.setConfigItem("flashTaskbarOnMessage", newValue);
+        updateFlashTaskbar();
+      },
+    });
+  }
+
+  function autoUpdateOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#autoupdate-option .setting-control")!,
+      disabled: EnterpriseUtil.configItemExists("autoUpdate"),
+      value: ConfigUtil.getConfigItem("autoUpdate", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("autoUpdate", true);
+        ConfigUtil.setConfigItem("autoUpdate", newValue);
+        if (!newValue) {
+          ConfigUtil.setConfigItem("betaUpdate", false);
+          betaUpdateOption();
+        }
+
+        autoUpdateOption();
+      },
+    });
+  }
+
+  function betaUpdateOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#betaupdate-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("betaUpdate", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("betaUpdate", false);
+        if (ConfigUtil.getConfigItem("autoUpdate", true)) {
+          ConfigUtil.setConfigItem("betaUpdate", newValue);
+          betaUpdateOption();
+        }
+      },
+    });
+  }
+
+  function updateSilentOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#silent-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("silent", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("silent", true);
+        ConfigUtil.setConfigItem("silent", newValue);
+        updateSilentOption();
+        ipcRenderer.send(
+          "forward-to",
+          currentBrowserWindow.webContents.id,
+          "toggle-silent",
+          newValue,
+        );
+      },
+    });
+  }
+
+  function showDesktopNotification(): void {
+    generateSettingOption({
+      $element: $root.querySelector(
+        "#show-notification-option .setting-control",
+      )!,
+      value: ConfigUtil.getConfigItem("showNotification", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("showNotification", true);
+        ConfigUtil.setConfigItem("showNotification", newValue);
+        showDesktopNotification();
+      },
+    });
+  }
+
+  function updateSidebarOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#sidebar-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("showSidebar", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("showSidebar", true);
+        ConfigUtil.setConfigItem("showSidebar", newValue);
+        ipcRenderer.send("forward-message", "toggle-sidebar", newValue);
+        updateSidebarOption();
+      },
+    });
+  }
+
+  function updateStartAtLoginOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#startAtLogin-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("startAtLogin", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("startAtLogin", false);
+        ConfigUtil.setConfigItem("startAtLogin", newValue);
+        ipcRenderer.send("toggleAutoLauncher", newValue);
+        updateStartAtLoginOption();
+      },
+    });
+  }
+
+  function updateQuitOnCloseOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#quitOnClose-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("quitOnClose", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("quitOnClose", false);
+        ConfigUtil.setConfigItem("quitOnClose", newValue);
+        updateQuitOnCloseOption();
+      },
+    });
+  }
+
+  function enableSpellchecker(): void {
+    generateSettingOption({
+      $element: $root.querySelector(
+        "#enable-spellchecker-option .setting-control",
+      )!,
+      value: ConfigUtil.getConfigItem("enableSpellchecker", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("enableSpellchecker", true);
+        ConfigUtil.setConfigItem("enableSpellchecker", newValue);
+        ipcRenderer.send("configure-spell-checker");
+        enableSpellchecker();
+        const spellcheckerLanguageInput: HTMLElement =
+          $root.querySelector("#spellcheck-langs")!;
+        const spellcheckerNote: HTMLElement = $root.querySelector("#note")!;
+        spellcheckerLanguageInput.style.display =
+          spellcheckerLanguageInput.style.display === "none" ? "" : "none";
+        spellcheckerNote.style.display =
+          spellcheckerNote.style.display === "none" ? "" : "none";
+      },
+    });
+  }
+
+  function enableErrorReporting(): void {
+    generateSettingOption({
+      $element: $root.querySelector(
+        "#enable-error-reporting .setting-control",
+      )!,
+      value: ConfigUtil.getConfigItem("errorReporting", true),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("errorReporting", true);
+        ConfigUtil.setConfigItem("errorReporting", newValue);
+        enableErrorReporting();
+      },
+    });
+  }
+
+  async function customCssDialog(): Promise<void> {
+    const showDialogOptions: OpenDialogOptions = {
+      title: "Select file",
+      properties: ["openFile"],
+      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");
+    }
+  }
+
+  function setLocale(): void {
+    const langDiv: HTMLSelectElement = $root.querySelector(".lang-div")!;
+    const langListHtml = generateSelectHtml(supportedLocales, "lang-menu");
+    langDiv.innerHTML += langListHtml.html;
+    // `langMenu` is the select-option dropdown menu formed after executing the previous command
+    const langMenu: HTMLSelectElement = $root.querySelector(".lang-menu")!;
+
+    // The next three lines set the selected language visible on the dropdown button
+    let language = ConfigUtil.getConfigItem("appLanguage", "en");
+    language =
+      language && langMenu.options.namedItem(language) ? language : "en";
+    langMenu.options.namedItem(language)!.selected = true;
+
+    langMenu.addEventListener("change", () => {
+      ConfigUtil.setConfigItem("appLanguage", langMenu.value);
+    });
+  }
+
+  function minimizeOnStart(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#start-minimize-option .setting-control")!,
+      value: ConfigUtil.getConfigItem("startMinimized", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("startMinimized", false);
+        ConfigUtil.setConfigItem("startMinimized", newValue);
+        minimizeOnStart();
+      },
+    });
+  }
+
+  function addCustomCss(): void {
+    const customCssButton = $root.querySelector(
+      "#add-custom-css .custom-css-button",
+    )!;
+    customCssButton.addEventListener("click", async () => {
+      await customCssDialog();
+    });
+  }
+
+  function showCustomCssPath(): void {
+    if (!ConfigUtil.getConfigItem("customCSS", null)) {
+      const cssPath: HTMLElement = $root.querySelector("#remove-custom-css")!;
+      cssPath.style.display = "none";
+    }
+  }
+
+  function removeCustomCss(): void {
+    const removeCssButton = $root.querySelector("#css-delete-action")!;
+    removeCssButton.addEventListener("click", () => {
+      ConfigUtil.setConfigItem("customCSS", "");
+      ipcRenderer.send("forward-message", "hard-reload");
+    });
+  }
+
+  async function downloadFolderDialog(): Promise<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 = $root.querySelector(
+        ".download-folder-path",
+      )!;
+      downloadFolderPath.textContent = filePaths[0];
+    }
+  }
+
+  function downloadFolder(): void {
+    const downloadFolder = $root.querySelector(
+      "#download-folder .download-folder-button",
+    )!;
+    downloadFolder.addEventListener("click", async () => {
+      await downloadFolderDialog();
+    });
+  }
+
+  function updatePromptDownloadOption(): void {
+    generateSettingOption({
+      $element: $root.querySelector("#prompt-download .setting-control")!,
+      value: ConfigUtil.getConfigItem("promptDownload", false),
+      clickHandler() {
+        const newValue = !ConfigUtil.getConfigItem("promptDownload", false);
+        ConfigUtil.setConfigItem("promptDownload", newValue);
+        updatePromptDownloadOption();
+      },
+    });
+  }
+
+  async function 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.promises.rmdir(getAppPath, {recursive: true});
+      setTimeout(() => {
+        ipcRenderer.send("clear-app-settings");
+      }, 1000);
+    }
+  }
+
+  function factoryReset(): void {
+    const factoryResetButton = $root.querySelector(
+      "#factory-reset-option .factory-reset-button",
+    )!;
+    factoryResetButton.addEventListener("click", async () => {
+      await factoryResetSettings();
+    });
+  }
+
+  function initSpellChecker(): void {
+    // The Electron API is a no-op on macOS and macOS default spellchecker is used.
+    if (process.platform === "darwin") {
+      const note: HTMLElement = $root.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 = $root.querySelector("#note")!;
+      note.append(
+        t.__("You can select a maximum of 3 languages for spellchecking."),
+      );
+      const spellDiv: HTMLElement = $root.querySelector("#spellcheck-langs")!;
+      spellDiv.innerHTML += html`
+        <div class="setting-description">${t.__("Spellchecker Languages")}</div>
+        <div id="spellcheck-langs-value">
+          <input name="spellcheck" placeholder="Enter Languages" />
+        </div>
+      `.html;
+
+      const availableLanguages = session.fromPartition(
+        "persist:webviewsession",
+      ).availableSpellCheckerLanguages;
+      let languagePairs = new Map<string, string>();
+      for (const l of availableLanguages) {
+        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: HTMLInputElement = $root.querySelector(
+        "input[name=spellcheck]",
+      )!;
+      const tagify = new Tagify(tagField, {
+        whitelist: [...languagePairs.keys()],
+        enforceWhitelist: true,
+        maxTags: 3,
+        dropdown: {
+          enabled: 0,
+          maxItems: Number.POSITIVE_INFINITY,
+          closeOnSelect: false,
+          highlightFirst: true,
+          position: "manual",
+          classname: "settings-tagify-dropdown",
+        },
+      });
+      tagify.DOM.input.addEventListener("focus", () => {
+        tagify.dropdown.show();
+        $root
+          .querySelector("#spellcheck-langs-value")!
+          .append(tagify.DOM.dropdown);
+      });
+      tagify.DOM.input.addEventListener("blur", () => {
+        tagify.dropdown.hide(true);
+        tagify.DOM.dropdown.remove();
+      });
+
+      const configuredLanguages: string[] = (
+        ConfigUtil.getConfigItem("spellcheckerLanguages", null) ?? []
+      ).map(
+        (code: string) =>
+          [...languagePairs].find((pair) => pair[1] === code)![0],
+      );
+      tagify.addTags(configuredLanguages);
+
+      tagField.addEventListener("change", () => {
+        if (tagField.value.length === 0) {
+          ConfigUtil.setConfigItem("spellcheckerLanguages", []);
+          ipcRenderer.send("configure-spell-checker");
+        } else {
+          const data: unknown = JSON.parse(tagField.value);
+          const spellLangs: string[] = z
+            .array(z.object({value: z.string()}))
+            .parse(data)
+            .map((elt) => languagePairs.get(elt.value)!);
+          ConfigUtil.setConfigItem("spellcheckerLanguages", spellLangs);
+          ipcRenderer.send("configure-spell-checker");
+        }
+      });
+    }
+
+    // Do not display the spellchecker input and note if it is disabled
+    if (!ConfigUtil.getConfigItem("enableSpellchecker", true)) {
+      const spellcheckerLanguageInput: HTMLElement =
+        $root.querySelector("#spellcheck-langs")!;
+      const spellcheckerNote: HTMLElement = $root.querySelector("#note")!;
+      spellcheckerLanguageInput.style.display = "none";
+      spellcheckerNote.style.display = "none";
+    }
+  }
+}

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

@@ -1,67 +0,0 @@
-'use strict';
-
-const BaseComponent = require(__dirname + '/../../components/base.js');
-
-class PreferenceNav extends BaseComponent {
-	constructor(props) {
-		super();
-
-		this.props = props;
-
-		this.navItems = ['General', 'Network', 'AddServer', 'Organizations', 'Shortcuts'];
-
-		this.init();
-	}
-
-	template() {
-		let navItemsTemplate = '';
-		for (const navItem of this.navItems) {
-			navItemsTemplate += `<div class="nav" id="nav-${navItem}">${navItem}</div>`;
-		}
-
-		return `
-			<div>
-				<div id="settings-header">Settings</div>
-				<div id="nav-container">${navItemsTemplate}</div>
-			</div>
-		`;
-	}
-
-	init() {
-		this.$el = this.generateNodeFromTemplate(this.template());
-		this.props.$root.appendChild(this.$el);
-
-		this.registerListeners();
-	}
-
-	registerListeners() {
-		for (const navItem of this.navItems) {
-			const $item = document.getElementById(`nav-${navItem}`);
-			$item.addEventListener('click', () => {
-				this.props.onItemSelected(navItem);
-			});
-		}
-	}
-
-	select(navItemToSelect) {
-		for (const navItem of this.navItems) {
-			if (navItem === navItemToSelect) {
-				this.activate(navItem);
-			} else {
-				this.deactivate(navItem);
-			}
-		}
-	}
-
-	activate(navItem) {
-		const $item = document.getElementById(`nav-${navItem}`);
-		$item.classList.add('active');
-	}
-
-	deactivate(navItem) {
-		const $item = document.getElementById(`nav-${navItem}`);
-		$item.classList.remove('active');
-	}
-}
-
-module.exports = PreferenceNav;