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Release v6.0.0 · avajs/ava
Breaking Changes AVA now requires Node.js versions 18.18, 20.8 or 21. Versions 14 and 16 are no longer supported. #3251 #3216 When tests finish, worker threads or child processes are no longer exited through proces.exit(). If your test file does not exit on its own, the test run will time out. #3260 Changes to watch mode #3218: Watch mode can no longer be started via the ava.config.* or package.js
Release v5.0.0 · reduxjs/redux
Changelog ESM/CJS Package Compatibility The biggest theme of the Redux v5 and RTK 2.0 releases is trying to get "true" ESM package publishing compatibility in place, while still supporting CJS in the published package. The primary build artifact is now an ESM file, dist/redux.mjs. Most build tools should pick this up. There's also a CJS artifact, and a second copy of the ESM file named redux.legac
TS環境のmangle最適化ベストプラクティス
// in const longLongVar = 1; console.log(longLongVar); // out const o = 1;console.log(o); 主に terser や esbuild のポストプロセスとして行われる。 この記事では mangle のベストプラクティスについてまとめる。本当は jsconf.jp で話したかったが、時間がなかった。 例えば vscode(本体)では外にexportされないプライベートメンバを mangle することで大幅なコード量の削減に成功している。 Shrinking VS Code with name mangling ライブラリ作者やサードパーティスクリプト作者に必要な技術だが、一般的なコードにも適用できる話でもある。何度か自分の発表資料に書いてきたが、単体記事になってないのでここでまとめておく。 極限環境で最終ビル
2023-12-01のJS: Node.js v18.19.0(LTS)、BiomeとPrettier、CSS Hooks
JSer.info #671 - Node.js v18.19.0がリリースされました。 Node v18.19.0 (LTS) | Node.js npm 10へアップデート、node:moduleにregister APIの追加、import.meta.resolveのサポートが追加されています。 また、.jsのデフォルトの扱いをCJSからESMへと変更できる--experimental-default-typeフラグがバックポートされています。 Biome v1.4.0がリリースされました。 Biome formatter wins the Prettier challenge | Biome Release CLI v1.4.0 · biomejs/biome PrettierのJS/TS/JSXに関するテストケースを95%以上通すRust実装を募集するThe Prettier C
Prettier's CLI: A Performance Deep Dive · Prettier
Hey, I'm Fabio and I've been contracted by the Prettier team to speed up Prettier's command line interface (CLI). In this post we'll take a look at the optimizations I've discovered, the process that lead to finding them, some exciting numbers comparing the current CLI with the new one, and some guesses about what could be optimized next. Installation The new work-in-progress CLI for Prettier has
Biome formatter wins the Prettier challenge
Biome formatter has now **over 96% in terms of compatibility ** against Prettier! This score is computed for JavaScript, TypeScript, and JSX formatting. Merit of challenge that was launched by Christopher Chedeau, one of the Prettier’s creators. The challenge attracted the attention of many people, and some of them decided to contribute to Biome to claim part of the bounty. I did see something ama
2023-11-26のJS: Vite 5、Node.js 20.10.0(ESMのデフォルト化フラグ)、State of JS 受付中
JSer.info #670 - Vite 5.0がリリースされました。 Vite 5.0 is out! | Vite Node.js 14/16のサポート終了、Rollup 4へアップデート、CommonJS Node API(require("vite"))を非推奨化しています。 また、defineの置換方法をdevとproduction buildで同じ方法を使うように変更、devとpreviewでURL末尾のスラッシュの扱いが異なる問題を修正、非推奨なAPIの削除なども含まれています。 マイグレーションガイドも合わせて公開されています。 Migration from v4 | Vite Node.js 20.10.0がリリースされました。 Node v20.10.0 (LTS) | Node.js 主に開発版のNode.js 21.xからのバックポートが中心となっています。 ES
Explicit Resource Management: Exploring JavaScript's and TypeScript's new feature | iliazeus
One of my favorite new features of JavaScript and TypeScript is explicit resource management. It brings new syntax, using foobar = ..., that enables RAII, reducing boilerplate when managing the lifecycle of various resources. In this article, I will explore this feature as implemented in TypeScript 5.2.0 with the disposablestack polyfill. I will mention both sync and async resources, DisposableSta
Release v3.0.0 · lerna-lite/lerna-lite
3.0.0 (2023-11-26) ⚠ BREAKING CHANGES New Requirements drop support for Node 16 which is EOL, Node >=18.0.0 is now required also changed project TS build target to ES2021 the lerna run --use-nx was deprecated in 2.0 and is now removed the lerna version option --skip-bump-only-release (singular) was renamed to --skip-bump-only-releases (plural) to better represent the command which is only useful i
State of JavaScript 2023
JavaScript started its life as a browser language, and then went to on conquer the server with Node.js. And it 2023, it seems like the ecosystem as a whole might finally be ready to try and bridge that gap. Between features like React Server Components, frameworks like Solid and Qwik, or meta-frameworks like Next.js and Sveltekit, providing a better way of serving code and data to clients has beco
The JavaScript Handbook
The content previously available on this website has been moved to my blog, in the form of books, in PDF or ePub format. This website was basically a "web" version of my books, but I could not maintain the same content in 2 different places, it was unsustainable as a solo project, so I decided to focus on my blog and my books. You can access the books, free of charge, at https://flaviocopes.com/ac
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GitHub - dcastil/tailwind-merge: Merge Tailwind CSS classes without style conflicts
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Poor URLPattern performance · Issue #19861 · denoland/deno
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Release v135 / Introducing esm.sh/run · esm-dev/esm.sh
