Faster script execution by ts-node

Summary: It takes few seconds for ts-node to start even for small scripts. TS_NODE_TRANSPILE_ONLY env var makes loading much faster ~100-200ms.

Reviewed By: mweststrate

Differential Revision: D20769639

fbshipit-source-id: 9b09a4e128e6b9c9651de98d8193b1d3a8f42b64

desktop/ts-node

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+env TS_NODE_TRANSPILE_ONLY=true node --require ts-node/register "$@"