Migrate launcher

Summary: _typescript_

Reviewed By: jknoxville

Differential Revision: D16711748

fbshipit-source-id: e874b5b6197e64ab7db1d8daecf42a4b52b8c2a8

src/utils/launcher.tsx

@@ -0,0 +1,21 @@
+/**
+ * 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 {ProcessConfig} from './processConfig';
+import {Store} from '../reducers/index';
+
+export function initLauncherHooks(config: ProcessConfig, store: Store) {
+  if (config.launcherMsg) {
+    store.dispatch({
+      type: 'LAUNCHER_MSG',
+      payload: {
+        severity: 'warning',
+        message: config.launcherMsg,
+      },
+    });
+  }
+}