Summary:
**Summary**
We added this to Flow in v0.25 (about 2 years ago), but never actually
deprecated the legacy `declare var exports` syntax. Hoping to do that
soon, so clearing up uses that I can find.
**Test plan**
flow
Closes https://github.com/facebook/metro/pull/108
Reviewed By: cpojer
Differential Revision: D6577785
Pulled By: samwgoldman
fbshipit-source-id: 2ef499cebb70ce3d9312cca6e084815394ab6169
Summary: Makes `babel-preset-react-native` a factory function that allows to include/exclude dev tool transforms per transform.
Reviewed By: jeanlauliac
Differential Revision: D5237158
fbshipit-source-id: aa7be0fc0f471575b4ee1c5a0e266e2ed2477fc6
Summary: Moves type definitions for uglify and babel from React Native to Metro Bundler. We need it there.
Reviewed By: cpojer
Differential Revision: D5217795
fbshipit-source-id: 9ec349cd8caf077eaa3c6fa3d090ffd47893e967