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React TypeScript Cheatsheets | React TypeScript Cheatsheets
React TypeScript CheatsheetsCheatsheets for experienced React developers getting started with TypeScript
useContext + useState 利用時ã®ãƒ‘フォーマンスã¯Providerã®ä½¿ã„æ–¹ã§æ±ºã¾ã‚‹ï¼ã‹ã‚‚。。。？ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? ã“ã®è¨˜äº‹ã¯2020/6/7 ã«æŠ•ç¨¿ã—ãŸ**「useContext + useState ã«ãŠã‘るパフォーマンス上ã®æ‡¸å¿µã¨ã€ãã®è§£æ¶ˆæ³•ã¨ã—ã¦(ä¸æœ¬æ„ãªãŒã‚‰)Reduxを使ã£ã¡ã‚ƒã†è©±ã€**ã‚’å†èª¿æŸ»ã®ä¸Šä¿®æ£ã—ãŸã‚‚ã®ã§ã™ã€‚タイトルå«ã‚色々ã¨ä¸èº«ãŒå¤‰ã‚ã£ã¦ã„ã¾ã™ã®ã§ä¸€åº¦ã”覧ã«ãªã£ãŸæ–¹ã‚‚楽ã—ã‚ã‚‹(?)ã¨æ€ã„ã¾ã™ã€‚ãªãŠä¿®æ£å‰ã®è¨˜äº‹ã¯ä»¥ä¸‹åˆ¥è¨˜äº‹ã¨ã—ã¦æ®‹ã—ã¾ã—ãŸã€‚興味ã®ã‚ã‚‹æ–¹ã¯ã”å‚ç…§ãã ã•ã„。 [ä¿®æ£å‰è¨˜äº‹]useContext + useState ã«ãŠã‘るパフォーマンス上ã®æ‡¸å¿µã¨ã€ãã®è§£æ¶ˆæ³•ã¨ã—ã¦(ä¸æœ¬æ„ãªãŒã‚‰)Reduxを使ã£ã¡ã‚ƒã†è©± 本記事ã§ã¯ã€Œ
Blogged Answers: A (Mostly) Complete Guide to React Rendering Behavior
Random musings on React, Redux, and more, by Redux maintainer Mark "acemarke" Erikson This is a post in the Blogged Answers series. Details on how React rendering behaves, and how use of Context and React-Redux affect rendering I've seen a lot of ongoing confusion over when, why, and how React will re-render components, and how use of Context and React-Redux will affect the timing and scope of tho
MobX作者ã«ã‚ˆã‚‹ã€Recoilã¨MobXã«ã¤ã„ã¦ã®ç°¡å˜ãªã¾ã¨ã‚ - console.lealog();
http://github.com/facebookexperimental/recoil 先日ã®ReactEuropeã§ç™ºè¡¨ã•ã‚ŒãŸã¦ãƒ›ãƒ¤ãƒ›ãƒ¤ã®ã€ExperimentalãªReactå‘ã‘ã®çŠ¶æ…‹ç®¡ç†ãƒ©ã‚¤ãƒ–ラリã§ã‚ã‚‹Recoil。 ãŸã APIã¨ã‹ã‚„ã‚ŠãŸã„ã“ã¨ã‚’見ã¦ã‚‹ã¨ã€ã€ŒMobXファミリーã¨ã®é•ã„ã£ã¦ãªã‚“ãžãƒ»ãƒ»ï¼Ÿã€ã£ã¦å€‹äººçš„ã«ãªã£ã¦ã¾ã—ãŸã€‚ インターãƒãƒƒãƒˆã§ã‚‚åŒã˜ã‚ˆã†ãªå°è±¡ã‚’å—ã‘ãŸäººã¯ã„るらã—ãã€ãªã‚“ã‚„ã‚ãªã€œã¨æ€ã£ã¦ã„ãŸçŸ¢å…ˆã€‚ MobXã®ä½œè€…ã§ã‚ã‚‹ `@mwestrate` æ°ãŒã€ã•ãã£ã¨Tweetã—ã¦ã‚‹ã˜ã‚ƒã‚ã‚Šã¾ã›ã‚“ã‹ï¼ ãªã®ã§ã“ã®è¨˜äº‹ã§ã¯ã€ãã®Tweetを引用ã—ã¦ã€ç¿»è¨³+ã–ã£ãã‚Šã¾ã¨ã‚ã‚’ã—ã¦ãŠãã¾ã™ã€‚ å…ƒTweetã¯ã“ã¡ã‚‰ #MobX or @recoiljs? Saw a lot of questions on whether they're the same, so a quick t
Common mistakes with React Testing Library
Common mistakes with React Testing LibraryMay 4th, 2020 — 15 min read Hi there 👋 I created React Testing Library because I wasn't satisfied with the testing landscape at the time. It expanded to DOM Testing Library and now we have Testing Library implementations (wrappers) for every popular JavaScript framework and testing tool that targets the DOM (and even some that don't). As time has gone on,
TypeScriptã§Reactã‚’ã‚„ã‚‹ã¨ãã¯ã€å°ã•ã„アプリã§ã‚‚Reduxを最åˆã‹ã‚‰ä½¿ã£ã¦ã‚‚ã„ã„ã‹ã‚‚ãã¨ã„ã†ãŠè©± | フューãƒãƒ£ãƒ¼æŠ€è¡“ブãƒã‚°
TypeScriptã§Reactã‚’ã‚„ã‚‹ã¨ãã¯ã€å°ã•ã„アプリã§ã‚‚Reduxを最åˆã‹ã‚‰ä½¿ã£ã¦ã‚‚ã„ã„ã‹ã‚‚ãã¨ã„ã†ãŠè©± å‰æ—¥ã®ä¸¸é‡Žã•ã‚“ãŒReduxを分ã‹ã‚Šã‚„ã™ã解説ã—ã¦ã¿ãŸã¨ã„ã†Reduxã®åŸºæœ¬çš„ãªç´¹ä»‹ã‚’è¡Œã„ã¾ã—ãŸã€‚Reduxã¯ã‚³ãƒ³ãƒ‘クトãªãƒ©ã‚¤ãƒ–ラリãªãŒã‚‰ã‚ˆã考ãˆã‚‰ã‚ŒãŸä»•çµ„ã¿ã§ã™ã€‚Jetpack ComposeやらFlutterやらã€ReactインスパイアãªGUIフレームワークも増ãˆã¦ã„ã‚‹ã®ã§ã€JavaScript（TypeScriptã§ã¯ãªã） + Reduxã‚’ã‚„ã£ã¦ã¿ã‚‹ã®ã¯ã€ã‚¦ã‚§ãƒ–ã«é™ã‚‰ãšã€ä»Šå¾Œã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹é–¢é€£ã®ã‚³ãƒ¼ãƒ‰ã‚’触るãŸã‚ã®ç†è§£åŠ›å‘上ã«ã¯è‰¯ã„ã¨æ€ã„ã¾ã™ã€‚ 本エントリーã¯ã€ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã‚³ãƒ¼ãƒ‰ã§ãŸãã•ã‚“Redux周りã«ã‚‚reducerãªã©ã‚’実装ã—ãªãã¦ã¯ã„ã‘ãªããªã£ãŸã¨ãã®æ¬¡ã®ã‚¹ãƒ†ãƒƒãƒ—ã¨ã—ã¦ã€Redux Toolkitã®ç´¹ä»‹ã‚’ã—ã¾ã™ã€‚ ãŸã„ã¦ã„ã€Reduxã¯å°Žå…¥ã‚³ã‚¹ãƒˆãŒå¤§ããã€
Introduction · Webフãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ パフォーマンス改善ãƒãƒ³ãƒ‰ãƒ–ック
Webフãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ パフォーマンス改善ãƒãƒ³ãƒ‰ãƒ–ック ã“ã®ãƒ‘フォーマンス改善ãƒãƒ³ãƒ‰ãƒ–ックã§ã¯ã€ã‚¦ã‚§ãƒ–アプリケーションã«ãŠã‘るフãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®ãƒ‘フォーマンス改善ã«ã¤ã„ã¦æ‰±ã£ã¦ã„ã¾ã™ã€‚ ダウンãƒãƒ¼ãƒ‰ç‰ˆ 埋ã‚è¾¼ã¿å‹•ç”»ã‚’å†ç”Ÿã§ããªã„ãªã©ä¸€éƒ¨åˆ¶é™ãŒã‚ã‚Šã¾ã™ãŒã€ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ç‰ˆã‚’é…布ã—ã¦ã„ã¾ã™ã€‚ PDF版 EPUB版 MOBI版 目的 ã“ã®ãƒãƒ³ãƒ‰ãƒ–ックã§ã¯éŽåŽ»ã«è¡Œã£ãŸæ”¹å–„ã®äº‹ä¾‹ã‚’ä¸å¿ƒã«ç´¹ä»‹ã—ã¦ã„ã¾ã™ã€‚ ãã®ãŸã‚ã€ç¾åœ¨ã®æœ€é©ãªè§£æ±ºæ–¹æ³•ã‚’æ案ã™ã‚‹ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“。 ã¾ãŸã€ã‚¢ãƒ—リケーションã«ã‚ˆã£ã¦ã‚‚最é©ãªè§£æ±ºæ–¹æ³•ã¯ç•°ãªã‚Šã¾ã™ã€‚ 今回ã®äº‹ä¾‹ã§ã¯Viewライブラリã«Reactを使ã„æ˜ åƒå†ç”Ÿãƒ—レイヤーãªã©ã‚る程度複雑ãªæ©Ÿèƒ½ã‚’æŒã£ãŸã‚¦ã‚§ãƒ–アプリケーションã®ãƒ•ãƒãƒ³ãƒˆã‚’扱ã„ã¾ã™ã€‚ 具体的ã«ã¯ãƒ‹ã‚³ãƒ‹ã‚³ç”Ÿæ”¾é€ï¼ˆä»¥ä¸‹ã€Œç”Ÿæ”¾é€ã€ï¼‰ã§è¡Œã£ãŸäº‹ä¾‹ã‚’ä¸å¿ƒã«æ›¸ã‹ã‚Œã¦ã„ã¾ã™ã€‚ 開発ã¨å¹³è¡Œã—ã¦è¡Œã‚ã‚Œã¦ã„ãŸãŸã‚ã€React 15ã‹ã‚‰16ã®é–“
Relicensing React, Jest, Flow, and Immutable.js
Next week, we are going to relicense our open source projects React, Jest, Flow, and Immutable.js under the MIT license. We’re relicensing these projects because React is the foundation of a broad ecosystem of open source software for the web, and we don’t want to hold back forward progress for nontechnical reasons. This decision comes after several weeks of disappointment and uncertainty for our
Animated page transitions with React Router 4, ReactTransitionGroup and Animated
Animated page transitions with React Router 4, ReactTransitionGroup and Animated
Reactã¯ãªãœFiberã§æ›¸ãç›´ã•ã‚ŒãŸã®ã‹ï¼ŸReactã®èª²é¡Œã¨å°†æ¥åƒã‚’探る
先日行ã‚ã‚ŒãŸFacebookã®é–‹ç™ºè€…å‘ã‘イベント「F8ã€ã§ã€React Fiberã®ç™ºè¡¨ãŒè¡Œã‚ã‚Œã¦ã„ã¾ã—ãŸã€‚ ã¨ã„ã£ã¦ã‚‚ã€React関連ã®æ–°ã—ã„プãƒãƒ€ã‚¯ãƒˆãŒç™ºè¡¨ã•ã‚ŒãŸã¨ã„ã†ã‚ã‘ã§ã¯ãªãã€ReactãŒä¸€ã‹ã‚‰æ›¸ãç›´ã•ã‚ŒãŸã¨ã„ã†ã“ã¨ã®ã‚ˆã†ã§ã™ã€‚ Reactã¯ãªãœFiberã§æ›¸ãç›´ã•ã‚Œãã°ãªã‚‰ãªã‹ã£ãŸã®ã‹ï¼ŸFiberãŒè§£æ±ºã—よã†ã¨ã—ãŸèª²é¡Œã¯ä½•ãªã®ã‹ï¼Ÿ ãã®ç”ãˆã‚’èžããŸã‚ã«ã€React Fiberç¾çŠ¶ç¢ºèªã¨ã„ã†ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªã§å¤§å¤‰è©³ç´°ã«Fiberã®äº‹ã‚’解説ã•ã‚Œã¦ã„ãŸå°æž—å¾¹ (Twitter: @koba04)ã•ã‚“ã«ã€å®Ÿéš›ã®ã¨ã“ã‚を詳ã—ã伺ã£ã¦ãã¾ã—ãŸã€‚ React Fiberã¨ã¯ãªã‚“ãªã®ã‹ã€ãã—ã¦Reactã®å°†æ¥åƒã‚’探ã£ã¦ã¿ã¾ã™ã€‚ React Fiberã¨ã¯ï¼Ÿ 白石 React Fiberã£ã¦ãªã‚“ã§ã™ã‹ï¼Ÿã¾ãšã¯æ¦‚è¦ã‚’æ•™ãˆã¦ãã ã•ã„。 å°æž— FacebookãŒå…ˆæ—¥ã®F8カンファレンスã§ç™ºè¡¨ã—ãŸã€Rea
React Interview Questions
For the record, asking someone these questions probably isn't the best way to get a deep understanding of their experience with React. React Interview Questions just seemed like a better title than Things you may or may not need to know in React, but you may find helpful none the less. What happens when you call setState? The first thing React will do when setState is called is merge the object yo
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Remotion | Make videos programmatically
GitHub - virtualvivek/react-windows-ui: Build Windows native look & feel apps using ReactJS. Provides a set of accessible, reusable and composable react components that make it super easy to create websites and apps.
next.js/examples/cms-wordpress at canary · vercel/next.js
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React Spectrum
Recoil at React Europe 2020
GitHub - aknuds1/html-to-react: A lightweight library that converts raw HTML to a React DOM structure.
[archived] メンテナブル㪠React Component を目指ã™ãŸã‚ã®å°æŠ€é›† - Qiita![[archived] メンテナブル㪠React Component を目指ã™ãŸã‚ã®å°æŠ€é›† - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/53aad98d3dfe5b63766a927e2734b0d273c84ed6/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fqiita-user-contents.imgix.net%252Fhttps%25253A%25252F%25252Fcdn.qiita.com%25252Fassets%25252Fpublic%25252Farticle-ogp-background-afbab5eb44e0b055cce1258705637a91.png%253Fixlib%253Drb-4.0.0%2526w%253D1200%2526blend64%253DaHR0cHM6Ly9xaWl0YS11c2VyLXByb2ZpbGUtaW1hZ2VzLmltZ2l4Lm5ldC9odHRwcyUzQSUyRiUyRnFpaXRhLWltYWdlLXN0b3JlLnMzLmFwLW5vcnRoZWFzdC0xLmFtYXpvbmF3cy5jb20lMkYwJTJGNzMwNyUyRnByb2ZpbGUtaW1hZ2VzJTJGMTU3MDI3NjUyNT9peGxpYj1yYi00LjAuMCZhcj0xJTNBMSZmaXQ9Y3JvcCZtYXNrPWVsbGlwc2UmYmc9RkZGRkZGJmZtPXBuZzMyJnM9YTkwNjQ1YjE1NWFiNjlhNTI3YjI5NmYyMjUyMjhjNmQ%2526blend-x%253D120%2526blend-y%253D467%2526blend-w%253D82%2526blend-h%253D82%2526blend-mode%253Dnormal%2526s%253D7ff96656d4ab6eca3700fb115f167149%3Fixlib%3Drb-4.0.0%26w%3D1200%26fm%3Djpg%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk2MCZoPTMyNCZ0eHQ9JTVCYXJjaGl2ZWQlNUQlMjAlRTMlODMlQTElRTMlODMlQjMlRTMlODMlODYlRTMlODMlOEElRTMlODMlOTYlRTMlODMlQUIlRTMlODElQUElMjBSZWFjdCUyMENvbXBvbmVudCUyMCVFMyU4MiU5MiVFNyU5QiVBRSVFNiU4QyU4NyVFMyU4MSU5OSVFMyU4MSU5RiVFMyU4MiU4MSVFMyU4MSVBRSVFNSVCMCU4RiVFNiU4QSU4MCVFOSU5QiU4NiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZ0eHQtY29sb3I9JTIzMUUyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1wYWQ9MCZzPWQxZTUxYzRmZDljNDY2OWM3MGI2MmVkNzZmNDYyM2Vh%26mark-x%3D120%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTgzOCZoPTU4JnR4dD0lNDB0ZXJyaWVyc2NyaXB0JnR4dC1jb2xvcj0lMjMxRTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LXBhZD0wJnM9ZjVmNWI4NjYxNTcyODNmNzFiY2YzMWU5MTkyNWMzMzM%26blend-x%3D242%26blend-y%3D480%26blend-w%3D838%26blend-h%3D46%26blend-fit%3Dcrop%26blend-crop%3Dleft%252Cbottom%26blend-mode%3Dnormal%26s%3Dfcf2f06936d2cbe1bee08c78d26872ee)
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