Signal Boosting – Preact
Signal Boosting The new release of Preact Signals brings significant performance updates to the foundations of the reactive system. Read on to learn what kinds of tricks we employed to make this happen. We recently announced new versions of the Preact Signals packages: @preact/signals-core 1.2.0 for the shared core functionality @preact/signals 1.1.0 for the Preact bindings @preact/signals-react 1
Introducing Signals – Preact
Introducing Signals Signals are a way of expressing state that ensure apps stay fast regardless of how complex they get. Signals are based on reactive principles and provide excellent developer ergonomics, with a unique implementation optimized for Virtual DOM. At its core, a signal is an object with a .value property that holds some value. Accessing a signal's value property from within a compone
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å°Žå…¥ Reactive Programmingã§ã¯Signalã¨ã„ã†æ¦‚念ãŒã‚るらã—ã„ã§ã™ãŒï¼ˆå®Ÿã¯ã‚‚ã£ã¨å¤ãã‹ã‚‰ã‚る概念）ã€SolidJSãŒå°Žå…¥ã—ã¦React Hooksã¨ã®å·®ãŒæ˜Žç¢ºã«ãªã£ãŸã®ã‹ã¨æ€ã„ã¾ã™ã€‚ 「Signalã€ã¯ Solid ã®ãƒªã‚¢ã‚¯ãƒ†ã‚£ãƒ“ティã®åŸºç¤Žã¨ãªã‚‹ã‚‚ã®ã§ã™ã€‚ã“れらã«ã¯ã€æ™‚é–“ã¨ã¨ã‚‚ã«å¤‰åŒ–ã™ã‚‹å€¤ãŒå«ã¾ã‚Œã¦ãŠã‚Šã€Signal ã®å€¤ã‚’変更ã™ã‚‹ã¨ã€ãれを使用ã—ã¦ã„ã‚‹ã™ã¹ã¦ã®ã‚‚ã®ãŒè‡ªå‹•çš„ã«æ›´æ–°ã•ã‚Œã¾ã™ã€‚ ã¨ã®ã“ã¨ã§ã™ã€‚Observableã¨ã‹Streamã¨ã‹ã‚‚ä¼¼ãŸã‚ˆã†ãªã‚‚ã®ã§ã™ã‹ã。 SolidJSã®ãƒã‚¤ãƒ³ãƒˆã¯Signalを使ã£ã¦fine-grained reactivityを実ç¾ã—ã¦ã„ã‚‹ã¨ã“ã‚ã ã¨æ€ã„ã¾ã™ã€‚Reactã®ã‚ˆã†ã«Virtual DOM（ã¨ã¯ã‚‚ã†å‘¼ã°ãªã„らã—ã„ã€DOMã˜ã‚ƒãªã„ã®ã§ã€‚ã§ã‚‚ã€ä»¥ä¸‹VDOM）を使ã‚ãšã«å±€æ‰€çš„ã«DOMを直接更新ã™ã‚‹ã®ã§ãƒ‘フォーマンスãŒè‰¯ã„ã¨ã®ã“ã¨
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Signals – Preact Guide 端的ã«ã„ã£ã¦ã—ã¾ã†ã¨ã€Solidã®ã‚½ãƒ¬ã¨ã»ã¼åŒæ§˜ã®ä½“験ã§ã‚³ãƒ¼ãƒ‰ãŒæ›¸ã‘るよã†ã«ãªã‚‹ãƒ»ãƒ»ãƒ»ï¼ ã¾ãšã¯ã‚³ãƒ¼ãƒ‰ // store.js import { signal } from "@preact/signals"; export const count = signal(0); export const add = () => count.value++; // Counter.jsx import { count, add } from "./store.js"; const Counter = () => ( <div> <p>Count: {count.value}</p> <button onClick={add}>click me</button> </div> ); ã•ã™ãŒã«ã“ã®æ™‚代ã«ãªã‚‹ã¨ã„ã‚ã„ã‚既視感もã‚ã£ã¦ã€ã™ã‚“ãªã‚Šèªã‚るコードã‹
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GitHub - GoogleChromeLabs/squoosh: Make images smaller using best-in-class codecs, right in the browser.
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