Poking around the Web, I found a Quora question about the best editor with which to write React and React Native code. A prominent answerer pointed out Atom, Nuclide and the newcomer, Visual Studio ...

Mobile app framework React Native's latest update, version 0.63, also meets Apple's new App Store requirements.

Remote debugging in Visual Studio allows you to step through code, set breakpoints, review objects, inspect the stack, and catch errors on a remote server just as if you were running the code locally.