mirror of
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Summary: This sync includes the following changes: - **[f7cdc8936](https://github.com/facebook/react/commit/f7cdc8936 )**: Also turn off enableSyncDefaultUpdates in RN test renderer ([#21293](https://github.com/facebook/react/pull/21293)) //<Ricky>// - **[4c9eb2af1](https://github.com/facebook/react/commit/4c9eb2af1 )**: Add dynamic flags to React Native ([#21291](https://github.com/facebook/react/pull/21291)) //<Ricky>// - **[9eddfbf5a](https://github.com/facebook/react/commit/9eddfbf5a )**: [Fizz] Two More Fixes ([#21288](https://github.com/facebook/react/pull/21288)) //<Sebastian Markbåge>// - **[11b07597e](https://github.com/facebook/react/commit/11b07597e )**: Fix classes ([#21283](https://github.com/facebook/react/pull/21283)) //<Sebastian Markbåge>// - **[96d00b9bb](https://github.com/facebook/react/commit/96d00b9bb )**: [Fizz] Random Fixes ([#21277](https://github.com/facebook/react/pull/21277)) //<Sebastian Markbåge>// - **[81ef53953](https://github.com/facebook/react/commit/81ef53953 )**: Always insert a dummy node with an ID into fallbacks ([#21272](https://github.com/facebook/react/pull/21272)) //<Sebastian Markbåge>// - **[a4a940d7a](https://github.com/facebook/react/commit/a4a940d7a )**: [Fizz] Add unsupported Portal/Scope components ([#21261](https://github.com/facebook/react/pull/21261)) //<Sebastian Markbåge>// - **[f4d7a0f1e](https://github.com/facebook/react/commit/f4d7a0f1e )**: Implement useOpaqueIdentifier ([#21260](https://github.com/facebook/react/pull/21260)) //<Sebastian Markbåge>// - **[dde875dfb](https://github.com/facebook/react/commit/dde875dfb )**: [Fizz] Implement Hooks ([#21257](https://github.com/facebook/react/pull/21257)) //<Sebastian Markbåge>// - **[a597c2f5d](https://github.com/facebook/react/commit/a597c2f5d )**: [Fizz] Fix reentrancy bug ([#21270](https://github.com/facebook/react/pull/21270)) //<Sebastian Markbåge>// - **[15e779d92](https://github.com/facebook/react/commit/15e779d92 )**: Reconciler should inject its own version into DevTools hook ([#21268](https://github.com/facebook/react/pull/21268)) //<Brian Vaughn>// - **[4f76a28c9](https://github.com/facebook/react/commit/4f76a28c9 )**: [Fizz] Implement New Context ([#21255](https://github.com/facebook/react/pull/21255)) //<Sebastian Markbåge>// - **[82ef450e0](https://github.com/facebook/react/commit/82ef450e0 )**: remove obsolete SharedArrayBuffer ESLint config ([#21259](https://github.com/facebook/react/pull/21259)) //<Henry Q. Dineen>// - **[dbadfa2c3](https://github.com/facebook/react/commit/dbadfa2c3 )**: [Fizz] Classes Follow Up ([#21253](https://github.com/facebook/react/pull/21253)) //<Sebastian Markbåge>// - **[686b635b7](https://github.com/facebook/react/commit/686b635b7 )**: Prevent reading canonical property of null ([#21242](https://github.com/facebook/react/pull/21242)) //<Joshua Gross>// - **[bb88ce95a](https://github.com/facebook/react/commit/bb88ce95a )**: Bugfix: Don't rely on `finishedLanes` for passive effects ([#21233](https://github.com/facebook/react/pull/21233)) //<Andrew Clark>// - **[343710c92](https://github.com/facebook/react/commit/343710c92 )**: [Fizz] Fragments and Iterable support ([#21228](https://github.com/facebook/react/pull/21228)) //<Sebastian Markbåge>// - **[933880b45](https://github.com/facebook/react/commit/933880b45 )**: Make time-slicing opt-in ([#21072](https://github.com/facebook/react/pull/21072)) //<Ricky>// - **[b0407b55f](https://github.com/facebook/react/commit/b0407b55f )**: Support more empty types ([#21225](https://github.com/facebook/react/pull/21225)) //<Sebastian Markbåge>// - **[39713716a](https://github.com/facebook/react/commit/39713716a )**: Merge isObject branches ([#21226](https://github.com/facebook/react/pull/21226)) //<Sebastian Markbåge>// - **[8a4a59c72](https://github.com/facebook/react/commit/8a4a59c72 )**: Remove textarea special case from child fiber ([#21222](https://github.com/facebook/react/pull/21222)) //<Sebastian Markbåge>// - **[dc108b0f5](https://github.com/facebook/react/commit/dc108b0f5 )**: Track which fibers scheduled the current render work ([#15658](https://github.com/facebook/react/pull/15658)) //<Brian Vaughn>// - **[6ea749170](https://github.com/facebook/react/commit/6ea749170 )**: Fix typo in comment ([#21214](https://github.com/facebook/react/pull/21214)) //<inokawa>// - **[b38ac13f9](https://github.com/facebook/react/commit/b38ac13f9 )**: DevTools: Add post-commit hook ([#21183](https://github.com/facebook/react/pull/21183)) //<Brian Vaughn>// - **[b943aeba8](https://github.com/facebook/react/commit/b943aeba8 )**: Fix: Passive effect updates are never sync ([#21215](https://github.com/facebook/react/pull/21215)) //<Andrew Clark>// - **[d389c54d1](https://github.com/facebook/react/commit/d389c54d1 )**: Offscreen: Use JS stack to track hidden/unhidden subtree state ([#21211](https://github.com/facebook/react/pull/21211)) //<Brian Vaughn>// - **[c486dc1a4](https://github.com/facebook/react/commit/c486dc1a4 )**: Remove unnecessary processUpdateQueue ([#21199](https://github.com/facebook/react/pull/21199)) //<Sebastian Markbåge>// - **[cf45a623a](https://github.com/facebook/react/commit/cf45a623a )**: [Fizz] Implement Classes ([#21200](https://github.com/facebook/react/pull/21200)) //<Sebastian Markbåge>// - **[75c616554](https://github.com/facebook/react/commit/75c616554 )**: Include actual type of `Profiler#id` on type mismatch ([#20306](https://github.com/facebook/react/pull/20306)) //<Sebastian Silbermann>// - **[1214b302e](https://github.com/facebook/react/commit/1214b302e )**: test: Fix "couldn't locate all inline snapshots" ([#21205](https://github.com/facebook/react/pull/21205)) //<Sebastian Silbermann>// - **[1a02d2792](https://github.com/facebook/react/commit/1a02d2792 )**: style: delete unused isHost check ([#21203](https://github.com/facebook/react/pull/21203)) //<wangao>// - **[782f689ca](https://github.com/facebook/react/commit/782f689ca )**: Don't double invoke getDerivedStateFromProps for module pattern ([#21193](https://github.com/facebook/react/pull/21193)) //<Sebastian Markbåge>// - **[e90c76a65](https://github.com/facebook/react/commit/e90c76a65 )**: Revert "Offscreen: Use JS stack to track hidden/unhidden subtree state" ([#21194](https://github.com/facebook/react/pull/21194)) //<Brian Vaughn>// - **[1f8583de8](https://github.com/facebook/react/commit/1f8583de8 )**: Offscreen: Use JS stack to track hidden/unhidden subtree state ([#21192](https://github.com/facebook/react/pull/21192)) //<Brian Vaughn>// - **[ad6e6ec7b](https://github.com/facebook/react/commit/ad6e6ec7b )**: [Fizz] Prepare Recursive Loop for More Types ([#21186](https://github.com/facebook/react/pull/21186)) //<Sebastian Markbåge>// - **[172e89b4b](https://github.com/facebook/react/commit/172e89b4b )**: Reland Remove redundant initial of isArray ([#21188](https://github.com/facebook/react/pull/21188)) //<Sebastian Markbåge>// - **[7c1ba2b57](https://github.com/facebook/react/commit/7c1ba2b57 )**: Proposed new Suspense layout effect semantics ([#21079](https://github.com/facebook/react/pull/21079)) //<Brian Vaughn>// - **[316aa3686](https://github.com/facebook/react/commit/316aa3686 )**: [Scheduler] Fix de-opt caused by out-of-bounds access ([#21147](https://github.com/facebook/react/pull/21147)) //<Andrey Marchenko>// - **[b4f119cdf](https://github.com/facebook/react/commit/b4f119cdf )**: Revert "Remove redundant initial of isArray ([#21163](https://github.com/facebook/react/pull/21163))" //<Sebastian Markbage>// - **[c03197063](https://github.com/facebook/react/commit/c03197063 )**: Revert "apply prettier ([#21165](https://github.com/facebook/react/pull/21165))" //<Sebastian Markbage>// - **[94fd1214d](https://github.com/facebook/react/commit/94fd1214d )**: apply prettier ([#21165](https://github.com/facebook/react/pull/21165)) //<Behnam Mohammadi>// - **[b130a0f5c](https://github.com/facebook/react/commit/b130a0f5c )**: Remove redundant initial of isArray ([#21163](https://github.com/facebook/react/pull/21163)) //<Behnam Mohammadi>// - **[2c9fef32d](https://github.com/facebook/react/commit/2c9fef32d )**: Remove redundant initial of hasOwnProperty ([#21134](https://github.com/facebook/react/pull/21134)) //<Behnam Mohammadi>// - **[1cf9978d8](https://github.com/facebook/react/commit/1cf9978d8 )**: Don't pass internals to callbacks ([#21161](https://github.com/facebook/react/pull/21161)) //<Sebastian Markbåge>// - **[b9e4c10e9](https://github.com/facebook/react/commit/b9e4c10e9 )**: [Fizz] Implement all the DOM attributes and special cases ([#21153](https://github.com/facebook/react/pull/21153)) //<Sebastian Markbåge>// - **[f8ef4ff57](https://github.com/facebook/react/commit/f8ef4ff57 )**: Flush discrete passive effects before paint ([#21150](https://github.com/facebook/react/pull/21150)) //<Andrew Clark>// - **[b48b38af6](https://github.com/facebook/react/commit/b48b38af6 )**: Support nesting of startTransition and flushSync (alt) ([#21149](https://github.com/facebook/react/pull/21149)) //<Sebastian Markbåge>// Changelog: [General][Changed] - React Native sync for revisions c9aab1c...f7cdc89 jest_e2e[run_all_tests] Reviewed By: rickhanlonii Differential Revision: D27740113 fbshipit-source-id: 6e27204d78e3e16ed205170006cb97c0d6bfa957
React Native
Learn once, write anywhere:
Build mobile apps with React.
Getting Started · Learn the Basics · Showcase · Contribute · Community · Support
React Native brings React's declarative UI framework to iOS and Android. With React Native, you use native UI controls and have full access to the native platform.
- Declarative. React makes it painless to create interactive UIs. Declarative views make your code more predictable and easier to debug.
- Component-Based. Build encapsulated components that manage their state, then compose them to make complex UIs.
- Developer Velocity. See local changes in seconds. Changes to JavaScript code can be live reloaded without rebuilding the native app.
- Portability. Reuse code across iOS, Android, and other platforms.
React Native is developed and supported by many companies and individual core contributors. Find out more in our ecosystem overview.
Contents
- Requirements
- Building your first React Native app
- Documentation
- Upgrading
- How to Contribute
- Code of Conduct
- License
📋 Requirements
React Native apps may target iOS 11.0 and Android 5.0 (API 21) or newer. You may use Windows, macOS, or Linux as your development operating system, though building and running iOS apps is limited to macOS. Tools like Expo can be used to work around this.
🎉 Building your first React Native app
Follow the Getting Started guide. The recommended way to install React Native depends on your project. Here you can find short guides for the most common scenarios:
📖 Documentation
The full documentation for React Native can be found on our website.
The React Native documentation discusses components, APIs, and topics that are specific to React Native. For further documentation on the React API that is shared between React Native and React DOM, refer to the React documentation.
The source for the React Native documentation and website is hosted on a separate repo, @facebook/react-native-website.
🚀 Upgrading
Upgrading to new versions of React Native may give you access to more APIs, views, developer tools, and other goodies. See the Upgrading Guide for instructions.
React Native releases are discussed in the React Native Community, @react-native-community/react-native-releases.
👏 How to Contribute
The main purpose of this repository is to continue evolving React Native core. We want to make contributing to this project as easy and transparent as possible, and we are grateful to the community for contributing bug fixes and improvements. Read below to learn how you can take part in improving React Native.
Code of Conduct
Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read the full text so that you can understand what actions will and will not be tolerated.
Contributing Guide
Read our Contributing Guide to learn about our development process, how to propose bugfixes and improvements, and how to build and test your changes to React Native.
Open Source Roadmap
You can learn more about our vision for React Native in the Roadmap.
Good First Issues
We have a list of good first issues that contain bugs which have a relatively limited scope. This is a great place to get started, gain experience, and get familiar with our contribution process.
Discussions
Larger discussions and proposals are discussed in @react-native-community/discussions-and-proposals.
📄 License
React Native is MIT licensed, as found in the LICENSE file.
React Native documentation is Creative Commons licensed, as found in the LICENSE-docs file.