Build Your DocsBuild excellent documentation site with less effortFumadocs is a beautiful documentation framework for Developers, flexible and performant, with everything from Next.js.
When an Activity boundary is hidden, React will visually hide its children using the display: "none" CSS property. It will also destroy their Effects, cleaning up any active subscriptions. While hidden, children still re-render in response to new props, albeit at a lower priority than the rest of the content. When the boundary becomes visible again, React will reveal the children with their previo
Interfaces succeed because of hundreds of choices. This is a living, non-exhaustive list of those decisions. Most guidelines are framework-agnostic, some specific to React/Next.js. Feedback is welcome. Interactions Keyboard works everywhere. All flows are keyboard-operable & follow the WAI-ARIA Authoring Patterns. Clear focus. Every focusable element shows a visible focus ring. Prefer :focus-visib
Connect, collaborate, and grow with a community of TypeScript developers. Elevate your skills through interactive coding challenges, discussions, and knowledge sharing
はじめに xargs コマンドは「なにか凄そうだけどよく分からないコマンド」としてよく知られています。使う人は使うけど何をやっているのか全くわからないコマンドです。「ループ処理?そんなものよりワンライナーで書くほうがカッコいいぜ」と思って気軽に使うと空白やクォーテーション文字でエラーになる罠にハマる使い方がとても難しいコマンドです。この記事はそういうよくわからない xargs はどういうコマンドなのか解説します。この記事を読むと xargs を「完全に理解した」と言えるようになるでしょう。 xargs コマンドが難しい理由は本来の目的を知らずに使おうとするからです。また古い時代の設計や実装の問題でさまざまな制限があるからです。仕様が意味不明で一貫性がなくで他のコマンドと正しく連携するのが困難です。そして本来の目的と違う用途に流用されてばかりです。最初にこの記事の結論を書いておきます。 xa
React Compiler can be adopted incrementally, allowing you to try it on specific parts of your codebase first. This guide shows you how to gradually roll out the compiler in existing projects. You will learn Why incremental adoption is recommended Using Babel overrides for directory-based adoption Using the “use memo” directive for opt-in compilation Using the “use no memo” directive to exclude com
非常に学びが多く、刺激的な時間でした。…が、あまりに内容が濃く、逆に記憶に残らない! そんな自分のために、登壇者の方が公開してくださっている資料をまとめました。 もともとは完全に自分用のメモなのですが、「こんなの欲しかった」と思ってくださる方がいればと思い、共有してみます。 内容に誤りや抜けがあれば、ぜひコメントなどでご指摘いただけると嬉しいです。修正していきます! ※本記事では、TSKaigi 2025の各登壇者が公開されている資料・概要を引用・紹介しています。 ※引用元・登壇者情報は公式サイトおよび各スライド共有サービスからのリンクに基づいています。 ※内容の正確性については各登壇資料をご確認ください。 2025/05/23 Room: トグル 招待講演 The New Powerful ESLint Config with Type Safety Introduction to th
Next.js publishes new versions to the canary channel daily. These pre-release builds undergo extensive internal testing before being promoted to a stable release. While we encourage you to experiment with the latest features on canary, we do not recommend serving production traffic from these versions. Once a major version is released, it enters the long-term support (LTS) phase. We highly encoura
This reference page covers advanced topics and requires familiarity with the concepts covered in the Keeping Components Pure page. Why does purity matter? Components and Hooks must be idempotent Side effects must run outside of render When is it okay to have mutation? Props and state are immutable Don’t mutate Props Don’t mutate State Return values and arguments to Hooks are immutable Values are i
A workflow is a configurable automated process made up of one or more jobs. You must create a YAML file to define your workflow configuration. About YAML syntax for workflows Workflow files use YAML syntax, and must have either a .yml or .yaml file extension. If you're new to YAML and want to learn more, see Learn YAML in Y minutes. You must store workflow files in the .github/workflows directory
Web Almanac HTTP Archive’s annual state of the web report Our mission is to combine the raw stats and trends of the HTTP Archive with the expertise of the web community. The Web Almanac is a comprehensive report on the state of the web, backed by real data and trusted web experts. The 2024 edition is comprised of 19 chapters spanning aspects of page content, user experience, publishing, and distri
Chrome and CSS in 2024 journeyed through the forest, over the mountains, and across the seas… 2024 has been another amazing year for CSS! Cross-document view transitions and scroll-driven animations let you add more interactivity to your applications with a few lines of CSS. You can now animate to height: auto;, style scrollbars, and size text inputs to their contents. Many features have become Ba
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