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Summary: part of codegen issue https://github.com/facebook/react-native/issues/34872 > Add an undefinedLiteralTypeAnnotation: string property into the Parser object and implement it in the FlowParser (returning VoidLiteralTypeAnnotation) and in the TypeScriptPArser(returning TSUndefinedKeyword). Replace them in and [parsers/typescript/components/events.js](https://github.com/facebook/react-native/blob/e133100721939108b0f28dfa9f60ac627c804018/packages/react-native-codegen/src/parsers/typescript/components/events.js#L158). bypass-github-export-checks ## Changelog: <!-- Help reviewers and the release process by writing your own changelog entry. Pick one each for the category and type tags: [ANDROID|GENERAL|IOS|INTERNAL] [BREAKING|ADDED|CHANGED|DEPRECATED|REMOVED|FIXED|SECURITY] - Message For more details, see: https://reactnative.dev/contributing/changelogs-in-pull-requests --> [Internal][Added]: Add undefinedLiteralTypeAnnotation property in parsers Pull Request resolved: https://github.com/facebook/react-native/pull/37450 Test Plan: yarn test Reviewed By: dmytrorykun Differential Revision: D45904567 Pulled By: cipolleschi fbshipit-source-id: edd26198e4c8b191a473d5b0ff96a6dc1fec8576
@react-native/codegen
Installation
yarn add --dev @react-native/codegen
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:
yarnto install the dependencies. You just need to run this onceyarn jest packages/react-native-codegen.