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๐Ÿ“จ #161: useFormState, Memo, Conform, Progressive Enhancement, Astro, Radix, React-Aria, Rustymotion, Ecctrl, Expo Apple Settings, Unistyles, TypeScript, TC39...

ยท 6 min read
Sรฉbastien Lorber

Hi everyone!

This week I've found the React ecosystem rather quiet, but we've got some pretty cool articles to read.

React progressive enhancement is in the spotlight in both Remix and Next.js!

๐Ÿ’ก Check this newsletter on Twitter - visual format ๐ŸŽจ

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    The Uphill Battle of Memoization

    The Uphill Battle of Memoization

    We want to create high-performance applications, and to do that we use React.memo, which avoids unnecessary re-renders. But these optimisations break too easily. Dominik shares with us several scenarios that lead to performance degradation, including the use of inlined objects/callbacks, or the use of JSX slots with a props like children.

    I took the opportunity to give my opinion on Twitter: the performance of a React component should be better encapsulated. While we're waiting for the React-Forget compiler, there are a few lesser-known avenues to explore, such as the use of Babel plugins.

    Accessible, Typesafe, Progressively Enhanced Modern Web Forms

    Accessible, Typesafe, Progressively Enhanced Modern Web Forms

    Kent shows us a few examples of Remix code and how easy it is to implement pending UI and optimistic UI. He recommends using a shared Zod schema to validate forms on the frontend, and extending it on the backend to eventually add additional rules. conform facilitates the use of a Zod schema to validate a FormData, and seems to be an underrated solution for managing a React form, from the local state to the server.

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      Custom Apple Settings UI with Expo

      Custom Apple Settings UI with Expo

      Evan points out the few advantages of using the iOS settings screen. It's a pain to implement natively, and the ROI is low, but his Expo Config Plugin simplifies the task. He explains how to toggle an app's sound with a switch, or how to automate the display of your app's software licenses.

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