Migrate listDevices

Summary: _typescript_

Reviewed By: danielbuechele

Differential Revision: D16764089

fbshipit-source-id: 03d980c354f8c03d7091fe01f82655e61c5854ff

src/utils/listDevices.tsx

@@ -0,0 +1,15 @@
+/**
+ * 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 {getActiveAndroidDevices} from '../dispatcher/androidDevice';
+import {getActiveDevicesAndSimulators} from '../dispatcher/iOSDevice';
+import BaseDevice from '../devices/BaseDevice';
+
+export async function listDevices(): Promise<Array<BaseDevice>> {
+  const androidDevices = await getActiveAndroidDevices();
+  const iOSDevices: BaseDevice[] = await getActiveDevicesAndSimulators();
+  return iOSDevices.concat(androidDevices);
+}