add guard for RN 0.47 (#493)
add guard for RN 0.47 (#493)


reactotron/reactotron,reactotron/reactotron,infinitered/reactotron,infinitered/reactotron,reactotron/reactotron,reactotron/reactotron,infinitered/reactotron,reactotron/reactotron,infinitered/reactotron