react-gradual-upgrade-demo
useThrottledState
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react-gradual-upgrade-demo | useThrottledState | |
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9 | 1 | |
420 | 5 | |
0.2% | - | |
0.0 | 0.0 | |
over 1 year ago | over 3 years ago | |
JavaScript | JavaScript | |
MIT License | - |
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react-gradual-upgrade-demo
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Node module issues when gradually upgrading to React 17 from React 15
I've run into a weird issue when trying to gradually upgrade. If you don't know, React Gradual upgrade is a fun process where you require three package.json's - one in the root directory, one in src/legacy and one in src/modern. Refer to here for more info: GitHub I am getting the errors after running npm start ("webpack-dev-server --hot"):
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TodoMVC App Written in Vanilla JavaScript
The event listeners get cleaned up by the GC. At least in modern browsers.
While events aren’t explicitly mentioned, MDN offers an insightful read:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Memo...
Alternately, one can use event delegation [0]. As does React under the hood [1].
0 - https://javascript.info/event-delegation
1 - https://reactjs.org/blog/2020/08/10/react-v17-rc.html#change...
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Enzyme is dead. Now what?
React 17 Release Candidate came out. Shortly after, an issue has been raised in Enzyme repository to add support for React 17. Immediately after, @layershifter has opened a PR adding an official enzyme-adapter-react-17.
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React 17 runs useEffect cleanup functions asynchronously
Yes, the React core team discussed that in their blog post on the release candidate of v.17, and advised those who really need synchronous cleanup to use the useLayoutEffect.
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The Plan for React 18
React 17 included quite a bit of that work. Most of the event system was simplified/rewritten, pooling was removed, and delegation moved to the root.
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React 17 DOM tree inside of React 16.2 DOM
Is it possible to do the reverse of the demo? - https://github.com/reactjs/react-gradual-upgrade-demo/
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Two versions in the same web app
See https://github.com/reactjs/react-gradual-upgrade-demo
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React.js 17: No New Features and New JSX Transform
You can take a look at a demo of gradual updates on an example repository put together by the React team.
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What’s new in React v17.0 ?
Checkout the demo for gradual upgrade.
useThrottledState
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The Plan for React 18
I can finally stop using my useThrottledState hook. I bet many of us wrote similar methods.. I'm glad it'll be a first class built in.
What are some alternatives?
fastdom - Eliminates layout thrashing by batching DOM measurement and mutation tasks
react-18 - Workgroup for React 18 release.
react-codemod - React codemod scripts
React - The library for web and native user interfaces.
react-pdf - Display PDFs in your React app as easily as if they were images.
react-date-picker - A date picker for your React app.
modern-todomvc-vanillajs - TodoMVC with Modern (ES6+), Vanilla JavaScript