Migrate dispatcher index to tsx

Summary: As per the title

Reviewed By: jknoxville, passy

Differential Revision: D16690303

fbshipit-source-id: fa78ea1e3f288249676d5a6423e5d0f0a6e427a4

src/dispatcher/index.tsx

@@ -0,0 +1,40 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import androidDevice from './androidDevice';
+import iOSDevice from './iOSDevice';
+import desktopDevice from './desktopDevice';
+import application from './application';
+import tracking from './tracking';
+import server from './server';
+import notifications from './notifications';
+import plugins from './plugins';
+import user from './user';
+
+import {Logger} from '../fb-interfaces/Logger.js';
+import {Store} from '../reducers/index';
+import {Dispatcher} from './types';
+
+export default function(store: Store, logger: Logger): () => Promise<void> {
+  const dispatchers: Array<Dispatcher> = [
+    application,
+    androidDevice,
+    iOSDevice,
+    desktopDevice,
+    tracking,
+    server,
+    notifications,
+    plugins,
+    user,
+  ];
+  const globalCleanup = dispatchers
+    .map(dispatcher => dispatcher(store, logger))
+    .filter(Boolean);
+  return () => {
+    return Promise.all(globalCleanup).then(() => {});
+  };
+}