acf384a72e
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/47628 `serverBaseUrl` is currently documented as: > The base URL to the dev server, as addressible from the local developer machine This is problematic in general because `dev-middleware` on a server doesn't necessarily know about where clients might be reaching it from, how tunnels or port-forwards are set up, etc., and this can change over the lifetime of the server and vary between clients. Indeed, our own use of `serverBaseUrl` from both `community-cli-plugin` and internally simply sets it to the host and port the dev server is listening on - ie it's the address of the dev server accessible *from the server*. This PR changes the docs, redefining `serverBaseUrl`, to match the way we currently specify it. One usage where we *do* want the previously documented behaviour is in responses to `/json/list` (`getPageDescriptions`) where the URLs in the response should be reachable by a browser requesting `/json/list`. Here, we use the request (host header, etc.) to attempt to get working base URL. History: It should be mentioned that this is the latest in a series of changes like this: - https://github.com/facebook/react-native/pull/39394 - https://github.com/facebook/react-native/pull/39456 Learning from those: - This change does *not* break Android emulators, which routes `10.0.2.2` to localhost, or other routed devices, because `/open-debugger` still uses server-relative URLs, and now formally delegates to `BrowserLauncher` to decide what to do with those URLs (internally, VSCode / `xdg-open` handles port forwarding) - Middleware configuration is no longer required to specify how it is reachable from clients. This sets up some subsequent changes for more robust handling of tunnelled connections. Changelog: [General][Breaking] dev-middleware: Frameworks should specify `serverBaseUrl` relative to the middleware host. Reviewed By: huntie Differential Revision: D65974487 fbshipit-source-id: 1face8fc7715df387f75b329e80932d8543ee419 |
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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 13.4 and Android 6.0 (API 23) 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 this discussion repo.
👏 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.