Want IDE autocompletion without typescript or flow?
Now you can!
I've created an atom plugin that uses your component propTypes to autocomplete!
This works with any react component that has propTypes, and it works on a per-project basis for autocompleting isn't full of junk from unused components.
Props to Dave Rupert for tweeting the idea:
https://twitter.com/davatron5000/status/731249986600456192
P.S. if you are interested in learning React and Redux. I'm holding a 2-day workshop here in San Francisco on July 23-24th.