Migrate app to TypeScript (#1637)

* Initial setup and migrated src/common

* WIP

* WIP

* WIP

* Main module basically finished

* Renderer process migrated

* Added CI step and some fixes

* Fixed remainder of issues and added proper ESLint config

* Fixed a couple issues

* Progress!

* Some more fixes

* Fixed a test

* Fix build step

* PR feedback

src/main/AutoLauncher.ts

@@ -0,0 +1,51 @@
+// Copyright (c) 2015-2016 Yuya Ochiai
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import AutoLaunch from 'auto-launch';
+import {app} from 'electron';
+import isDev from 'electron-is-dev';
+import log from 'electron-log';
+
+export default class AutoLauncher {
+    appLauncher: AutoLaunch;
+
+    constructor() {
+        this.appLauncher = new AutoLaunch({
+            name: app.name,
+            isHidden: true,
+        });
+    }
+
+    isEnabled() {
+        return this.appLauncher.isEnabled();
+    }
+
+    async blankPromise() {
+        return null;
+    }
+
+    async enable() {
+        if (isDev) {
+            log.warn('In development mode, autostart config never effects');
+            return this.blankPromise();
+        }
+        const enabled = await this.isEnabled();
+        if (!enabled) {
+            return this.appLauncher.enable();
+        }
+        return this.blankPromise();
+    }
+
+    async disable() {
+        if (isDev) {
+            log.warn('In development mode, autostart config never effects');
+            return this.blankPromise();
+        }
+        const enabled = await this.isEnabled();
+        if (enabled) {
+            return this.appLauncher.disable();
+        }
+        return this.blankPromise();
+    }
+}