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react-native/packages/metro-config/README.md
Dmitry Rykun d380bb8473 Move react-native-babel-transformer and react-native-babel-preset from Metro to React Native repo (#38228) 
Summary:
X-link: https://github.com/facebook/metro/pull/1024

Pull Request resolved: https://github.com/facebook/react-native/pull/38228

Changelog: [General][Changed] - Move react-native-babel-transformer and react-native-babel-preset from Metro to React Native repo.

Metro Changelog:  **[Breaking]** - Remove `metro-react-native-babel-transformer` and `metro-react-native-babel-preset`, to be published as `react-native/metro-babel-transformer` and `react-native/babel-preset` instead.

This diff does the following:
- Move `metro/packages/metro-react-native-babel-preset` to `react-native/packages/react-native-babel-preset`.
- Rename `metro-react-native-babel-preset` package to `react-native/babel-preset`.
- Move `metro/packages/metro-react-native-babel-transformer` to `react-native/packages/react-native-babel-transformer`.
- Rename `metro-react-native-babel-transformer` package to `react-native/metro-babel-transformer`.
- Upadate dependencies.

Reviewed By: robhogan

Differential Revision: D46977466

fbshipit-source-id: 32478f63a0442b61a1804f12ef814c8b29d7f8bb
2023-07-27 11:48:16 -07:00

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@react-native/metro-config

Version

Installation

yarn add --dev @react-native/js-polyfills metro-config @react-native/metro-babel-transformer metro-runtime @react-native/metro-config

Note: We're using yarn to install deps. Feel free to change commands to use npm 3+ and npx if you like

Testing

To run the tests in this package, run the following commands from the React Native root folder:

  1. yarn to install the dependencies. You just need to run this once
  2. yarn jest packages/metro-config.