Convert types dispatcher to TS

Summary: Convert file to TS

Reviewed By: passy

Differential Revision: D16687880

fbshipit-source-id: d3d8712fa4298f8124717ae98239ed63d3282b12

src/dispatcher/types.tsx

@@ -0,0 +1,13 @@
+/**
+ * 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 {Store} from '../reducers/index.js';
+import {Logger} from '../fb-interfaces/Logger';
+
+export type Dispatcher = (
+  store: Store,
+  logger: Logger,
+) => (() => Promise<void>) | null;