Use stage-0 Babel features with React Native
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README.md

babel-preset-react-native-stage-0

Have you encountered weird errors in React Native when trying to use babel-preset-react-native and babel-preset-stage-0 together? Are you generally just confused and frustrating by how hard it is to use the latest and greatest Babel features on RN? This preset is for you!

Installation

npm install babel-preset-react-native-stage-0 --save

Usage

Just add a .babelrc file to your React Native project that looks like this:

{
  "presets": ["react-native-stage-0"]
}

Do you want/need experimental legacy decorator support (provided by babel-plugin-transform-decorators-legacy)? Use this as your .babelrc instead:

{
  "presets": ["react-native-stage-0/decorator-support"]
}

Troubleshooting

Q: I added stage-0 to my "presets" list, and now everything is broken!

A: Don't do that! This preset supersedes the need for including the stage-0 preset, and works properly with React Native.


Q: I changed my .babelrc to the above, but I'm still getting strange Babel errors!

A: Have you cleared your packager cache? Run the following:

watchman watch-del-all
[the command you use to start the packager] --reset-cache

If things are still broken, open an issue and I'll try to help you. I may say "not a problem with this preset", and make you go open an issue on the react-native repo. Don't be mad at me if I do that!