Thanks to Gajus Kuizinas and other contributors who prototyped the Fragment component in open source.
Special thanks to the TypeScript and Flow teams, as well as the Babel maintainers, who helped make tooling support for the new syntax go seamlessly. A big thanks to everyone who filed issues, contributed to syntax discussions, reviewed pull requests, added support for JSX fragments in third party libraries, and more! This release was made possible by our open source contributors. Many tests were rewritten against the public API.Expose react-reconciler/reflection with utilities useful to custom renderers.Fix setState() callback firing too early when called from componentWillMount. To set up preact/compat you need to alias react and react-dom to preact/compat.Fix radio buttons not receiving the onChange event in some cases.Fix radio buttons not getting checked when using multiple lists of radios.Support experimental Call/Return types in React.Children utilities.Add Fragment as named export to React.Refer to the documentation for detailed installation instructions. React v16.2.0 is available on the npm registry. However, if you’re blocked by your tooling, you can always start with using the component and perform a codemod later to replace it with the shorthand syntax when the appropriate support is available. Other Toolsįor other tools, please check with the corresponding documentation to check if there is support available.
#Preact react fragment code
If you’re a TypeScript user - great news! Editor support for JSX fragments is already available in Visual Studio 2015, Visual Studio 2017, Visual Studio Code and Sublime Text via Package Control.
Generally, these errors can be safely ignored. In the meantime, you may see errors or inconsistent highlighting if your editor does not yet support fragment syntax. Please be patient as the community works to adopt the latest changes. It may take a while for fragment syntax to be supported in your text editor. We’ll be looking into adding support for fragments to ESLint 4.x itself in the coming weeks (see issue #9662). Note that babel-eslint is not officially supported by ESLint.
#Preact react fragment update
Support for JSX fragments is available in Babel v7.0.0-beta.31 and above! If you are already on Babel 7, simply update to the latest Babel and plugin transform: A stable release may take a bit longer as we await adoption by upstream projects. We’ve been working closely with maintainers of the most popular projects: Create React AppĮxperimental support for fragment syntax will be added to Create React App within the next few days. Please be patient as the JSX community works to adopt the new syntax. Support for fragment syntax in JSX will vary depending on the tools you use to build your app. You can experiment with JSX fragment syntax with this CodePen. In the future, we may add support for additional attributes, such as event handlers. Key is the only attribute that can be passed to Fragment. "preact": "10.0.0-alpha.Function Glossary ( props ) If I switch back to React, it works fine, but I am definitely a fan of the small bundle with Preact so really want to make this work. I tried using the workaround from here: at the top of our file. We thought it might be related to Fragments, because of the reference to OtherComponent, which doesn’t show up on the first render. What is the most reliable work-around for this right now?
Is this a known issue with Preact X? (which we are now on! 🎉 ) The component we reference looks like this: import React from "react" Ĭonst TheComponent = React.forwardRef((props, ref) => from "react" We have a project written in Preact that is referencing a component from another library (written with React 16) that does not render at all on first render (it will appear if I force a rerender).
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