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","relatedLinks":[]},{"category":"Article","title":"ise of a Burger Party - Mariko Kosaka\n[kosamari.","url":"http://kosamari.com/notes/the-promise-of-a-burger-party","tags":["JavaScript","Promises","図"],"content":"ショップを例にして解説している記事。\n図解をしながらPromiseのresolveとrejectの動きについて書かれている\n\n\n----\n\n## ","relatedLinks":[]},{"category":"Article","title":" text in an image on the web in real-time - Tales of a Developer Advocate by Paul Kinlan\n[paul.kinla","url":"https://paul.kinlan.me/detecting-text-in-an-image/","tags":["Chrome","WebPlatformAPI"],"content":"ド認識、画像からテキスト認識するブラウザAPIについて\n- [Accelerat","relatedLinks":[{"title":"Accelerated Shape Detection in Images","url":"https://wicg.github.io/shape-detection-api/"}]},{"category":"Article","title":"ing the Critical Rendering Path\n[bitsofco.de","url":"https://bitsofco.de/understanding-the-critical-rendering-path/","tags":["browser","CSS","JavaScript"],"content":"とは何かという解説。\nブラウザがどのようなフローでレンダリングまでを行うか。\nまた、開発者ツールを使ってレンダリングフローで起きているイベントを見ていく話。\n\n----\n\n## ECM","relatedLinks":[]},{"category":"Article","title":"proposal updates @ 2017-01 | ECMAScript Daily\n[ecmascript-d","url":"https://ecmascript-daily.github.io/ecmascript/2017/01/30/ecmascript-proposals-status","tags":["ECMAScript","proposal"],"content":"ScriptのProposalのStageまとめ。 2017年1月のミーティングで5つのProposalが追加され、Shared memory and atomicsはES2017に入った。\n\n---\n\n## Optim","relatedLinks":[]},{"category":"Article","title":"he Performance of Your React Application\n[auth0.com/blo","url":"https://auth0.com/blog/optimizing-react/","tags":["React","performance"],"content":"rf`を使いReactコンポーネントのパフォーマンス計測を行う話。\nまた`React.PureComponent`を使い`shouldComponentUpdate`の判定がきちんと行われるようにしてパフォーマンス改善するという話。\n\n----\n\n\n----\n<h","relatedLinks":[]},{"category":"WebsiteDocument","title":" Package chromedp is a faster, simpler way to drive browsers (Chrome, Edge, Safari, Android, etc) without external dependencies (ie, Selenium, PhantomJS, etc).\n[github.com/knq","url":"https://github.com/knq/chromedp","tags":["Chrome","debug","golang"],"content":"rotocolを使ったブラウザ操作ツール\n\n----\n<h1 class=","relatedLinks":[]},{"category":"Book","title":"orphic Development with JavaScript\n[www.manning.com","url":"https://www.manning.com/books/isomorphic-development-with-javascript","tags":["JavaScript","isomorphic","book"],"content":"iptについての書籍。\nブラウザとNode.jsで共有しながら、ウェブアプリケーションを作る話。\nReact + Redux、Angular 2やEmberを題材にしている。\n\n----\n","relatedLinks":[]}]},{"meta":{"title":"JSerレポート #1 Bundlerの未来、テスティングフレームワークの現状","author":"azu","layout":"report","date":"2017-01-31T01:12:00.000Z","category":"report","tags":["webpack","bundler","testing","report"],"toc":true,"url":"https://jser.info/2017/01/31/bundler-testing-framework-report/"},"items":[]},{"meta":{"title":"2017-02-05のJS: AVA 0.18.0、Mithril 1.0、ES modulesとwebpackのモジュール","author":"azu","layout":"post","date":"2017-02-05T09:37:59.308Z","category":"JSer","tags":["AVA","Testing","modules"],"url":"https://jser.info/2017/02/05/ava-0.18.0-mithril-1.0-es-moduleswebpack/"},"items":[{"category":"Headline","title":"Node v7.5.0 (Current) | Node.js","url":"https://nodejs.org/en/blog/release/v7.5.0/","tags":["node.js","ReleaseNote"],"content":"ode v7.5.0リリース。\nnpmのアップデート、`NODE_NO_WARNINGS`の環境変数(`--no-warnings`と同等)を追加など\n","relatedLinks":[]},{"category":"Headline","title":"# Release 0.18.0 · avajs/ava\n","url":"https://github.com/avajs/ava/releases/tag/v0.18.0","tags":["JavaScript","testing"],"content":"A 0.18.0リリース。\nNode.js 0.10と0.12のサポート終了、Snapshot testing(JSX)、Magic assertの追加など\n\n","relatedLinks":[]},{"category":"Headline","title":" Announcing TypeScript 2.2 RC | TypeScript\n[","url":"https://blogs.msdn.microsoft.com/typescript/2017/02/02/announcing-typescript-2-2-rc/","tags":["TypeScript","ReleaseNote"],"content":"eScript 2.2 RCリリース。\nプリミティブ型以外を表現する`object` typeの追加、class expressionを使ったmixinの表現をサポート、JSXのreact-nativeのサポートなど\n\n-","relatedLinks":[{"title":"Roadmap · Microsoft/TypeScript Wiki","url":"https://github.com/Microsoft/TypeScript/wiki/Roadmap#22-february-2017"}]},{"category":"Headline","title":"Chromium Blog: Chrome 57 Beta: CSS Grid Layout, Improved Add to Home screen, Media Session API\n[b","url":"https://blog.chromium.org/2017/02/chrome-57-beta-css-grid-layout-improved.html","tags":["Chrome","ReleaseNote"],"content":"me 57 Betaリリース。\nCSS Grid、_Media Session API_、`String#padStart`のサポート。\n`setTimeout()`が条件によりthrottleされるように、XSS Auditor(フィルター)がデフォルトでmode blockとなるように\n\n- ","relatedLinks":[{"title":"\"","url":"https://github.com/WICG/interventions/issues/9"}]},{"category":"Headline","title":"ithril.js/change-log.md at rewrite · lhorie/mithril.js\n[gi","url":"https://github.com/lhorie/mithril.js/blob/rewrite/docs/change-log.md","tags":["JavaScript","DOM","ReleaseNote","library"],"content":"il 1.0リリース。\nライフサイクルメソッドの追加、コンポーネントは渡す際に`m()`でwrapが必須に、`m.sync`の削除、同期的なredrawの削除など多くの変更がされている。\n\n- [","relatedLinks":[{"title":"Rewrite Status · Issue #1090 · lhorie/mithril.js","url":"https://github.com/lhorie/mithril.js/issues/1090"},{"title":"Introduction - Mithril.js","url":"http://mithril.js.org/"}]},{"category":"Article","title":"tive ECMAScript modules: the new features and differences from Webpack modules\n[blo","url":"https://blog.hospodarets.com/native-ecmascript-modules-new-features","tags":["ECMAScript","module","webpack"],"content":"kなどのモジュールとネイティブのES moduleの違いについてまとめられた記事。 モジュールパス、CORS、`script`要素の属性、エラー判定、ES moduleの挙動、feature detectionの方法、fallback、`script`要素の`type`の取得についてなど\n\n\n---","relatedLinks":[]},{"category":"Article","title":"eginners Guide to Webpack 2 and Module Bundling\n[www.","url":"https://www.sitepoint.com/beginners-guide-to-webpack-2-and-module-bundling/","tags":["webpack","tutorial"],"content":"の基本的な使い方についての解説。\nmoduleの扱い方、loader、plugin、コード分割、dev server、Hot reloadingについて\n\n\n----","relatedLinks":[]},{"category":"Article","title":" on Next.js\n[jsman","url":"https://jsmantra.com/next-on-next-js-1a134505f346","tags":["JavaScript","React","サーバー"],"content":"たフレームワークであるNext.js 2βについて。\nルーティング、コード分割、webpack 2のサポート、webpackやbabelの設定のカスタマイズなどの変更点について\n\n\n----\n","relatedLinks":[]},{"category":"Article","title":"rid – Table layout is back. Be there and be square.  |  Web  |  Google Developers\n[develo","url":"https://developers.google.com/web/updates/2017/01/css-grid","tags":["CSS"],"content":"概要解説記事\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":" set up E2E browser testing for your GitHub project\n[hackern","url":"https://hackernoon.com/how-to-set-up-e2e-browser-testing-for-your-github-project-89c24e15a84","tags":["E2E","testing","tutorial","article"],"content":"ってのE2Eテストの設定方法について。 PageObjectパターン、Travis CIやSauce Labsとの連携について\n\n\n----\n\n#","relatedLinks":[]},{"category":"Article","title":"recations and Removals in Chrome 57  |  Web  |  Google Developers\n[develope","url":"https://developers.google.com/web/updates/2017/02/chrome-57-deprecations","tags":["Chrome","article"],"content":"非推奨/削除されるAPIについて。 Vendor-prefix付きの`cancelAnimationFrame`、`IndexedDB`、`AudioContext`の削除。 `BluetoothDevice.uuids`、`<keygen>`、`OfflineAudioContext`の削除など\n\n\n----\n\n##","relatedLinks":[]},{"category":"Article","title":"ure-detection.js\n[gist.gith","url":"https://gist.github.com/DaBs/89ccc2ffd1d435efdacff05248514f38","tags":["JavaScript","ECMAScript","library"],"content":"大体サポートしているかを判定する数行のスニペットコード。\n\n\n----\n<h1 ","relatedLinks":[]},{"category":"SlideVideo","title":" Information - Google ドキュメント\n[docs.googl","url":"https://docs.google.com/document/d/1jlpsfv0kXCveOEX5l75aATgRXbcAvwyse4Tn6jVprWs/edit#","tags":["イベント","V8","Chrome","google"],"content":"n7のイベントまとめ。\nスライドがまとめられている\n\n\n----\n\n## H","relatedLinks":[]},{"category":"SlideVideo","title":" npm Scripts as Your Build Tool - Course by @elijahmanor @eggheadio\n[egghead.io/","url":"https://egghead.io/courses/how-to-use-npm-scripts-as-your-build-tool","tags":["npm","video","tutorial"],"content":"ビルドを行う話についてのスクリーンキャスト\n\n\n----\n\n## JS","relatedLinks":[]},{"category":"SlideVideo","title":"code it like it's 1999\n[jsmpeg.com/]","url":"http://jsmpeg.com/","tags":["JavaScript","video","library"],"content":"criptでデコードするライブラリ。\nWebSocketsを使った動画のストリーム配信をする目的で作られている。\n\n\n----\n<h1 cla","relatedLinks":[]},{"category":"WebsiteDocument","title":" · GitBook\n[vuex.vuejs.or","url":"https://vuex.vuejs.org/ja/","tags":["Vue","library","document","翻訳"],"content":"----\n\n## Web ","relatedLinks":[]},{"category":"WebsiteDocument","title":"Tests Dashboard\n[wptdashboard.a","url":"https://wptdashboard.appspot.com/","tags":["browser","testing","DOM","WebPlatformAPI"],"content":"-tests: Test Suites for Web Platform specifications—including WHATWG, W3C and others](https://github.com/w3c/web-platform-tests \"w3c/web-platform-tests: Test Suites for Web Platform specifications—including WHATWG, W3C and others\")をブラウザ別で実行した結果がまとめられているページ\n\n- [Web Platform","relatedLinks":[{"title":"Web Platform Tests in Blink and Beyond - Google スライド","url":"https://docs.google.com/presentation/d/1s2Dick89wvJsuNJb4ia3pPt84NtMv8rZr0E_GFXJLrk/edit#slide=id.p"}]},{"category":"WebsiteDocument","title":"Your guide to Virtual Reality in the browser.\n[webvr.rocks/](h","url":"https://webvr.rocks/","tags":["web ","VR"],"content":"ト状況をまとめたサイト\n\n\n----\n<h1 class=","relatedLinks":[]},{"category":"SoftwareLibrary","title":"mp: An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.\n[github.com/olive","url":"https://github.com/oliver-moran/jimp","tags":["JavaScript","library"],"content":"リサイズや加工などができる。\n\n\n----\n\n## egoist/","relatedLinks":[]},{"category":"SoftwareLibrary","title":"ristic scaffolding tool.\n[github.com/egoist","url":"https://github.com/egoist/sao","tags":["github","Tools","console"],"content":"元にしてプロジェクトを生成出来るscaffoldingツール\n\n\n----\n\n## ide/mux:","relatedLinks":[]},{"category":"SoftwareLibrary","title":"a promise that waits for the promises in nested data structures and resolves to data structures of the same form. It recursively traverses the input data structure and multiplexes its promises.\n[github.com/ide/mux","url":"https://github.com/ide/mux","tags":["JavaScript","library","Promises"],"content":"ティのPromiseを解決し、その結果を同じ構造で返せるライブラリ\n\n\n----\n<h1 class=\"si","relatedLinks":[]},{"category":"Book","title":"ng Aurelia\" from Packt Publishing\n[blog.aurelia.io/201","url":"http://blog.aurelia.io/2017/02/01/announcing-learning-aurelia-from-packt-publishing/","tags":["JavaScript","library","book"],"content":"rning Aurelia ","relatedLinks":[{"title":"Learning Aurelia | PACKT Books","url":"https://www.packtpub.com/web-development/learning-aurelia"}]},{"category":"Book","title":"d ES2017\n[exploringjs.com/es20","url":"http://exploringjs.com/es2016-es2017.html","tags":["ECMAScript","JavaScript","book"],"content":"ての書籍。\nExploringJSの続編\n\n- [Exploring ES2016 a","relatedLinks":[{"title":"Exploring ES2016 and… by Axel Rauschmayer ","url":"https://leanpub.com/exploring-es2016-es2017"}]}]},{"meta":{"title":"2017-02-14のJS: V8 5.7とES2015+のパフォーマンス、npm入門、TypeScriptガイドライン","author":"azu","layout":"post","date":"2017-02-14T02:02:33.760Z","category":"JSer","tags":["V8","ES2015","npm","TypeScript"],"url":"https://jser.info/2017/02/14/v8-5.7es2015-npm-typescript/"},"items":[{"category":"Headline","title":"V8 JavaScript Engine: V8 Release 5.7","url":"http://v8project.blogspot.com/2017/02/v8-release-57.html","tags":["V8","ReleaseNote","WebAssembly"],"content":"8 5.7リリース。\nasync/awaitやES2015のパフォーマンス改善、`String#padStart`、`Intl.DateTimeFormat#formatToParts`のサポート。\nwasmがデフォルトで有効化など\n","relatedLinks":[]},{"category":"Headline","title":"# Release v4.3.0 · npm/npm\n","url":"https://github.com/npm/npm/releases/tag/v4.3.0","tags":["npm","ReleaseNote"],"content":"m 4.3.0プレリリース。\n`--auth-type`の追加、起動速度の改善など\n\n","relatedLinks":[]},{"category":"Headline","title":" JS1k 2017 - A magical JavaScript golfing competition\n[","url":"http://js1k.com/2017-magic/","tags":["JavaScript","イベント"],"content":"4bytesでJavaScriptのデモを作るコンテンストであるJS1kの2017年の募集が開始された\n\n-","relatedLinks":[]},{"category":"Article","title":"npm for Beginners: A Guide for Front-end Developers\n[w","url":"https://www.impressivewebs.com/npm-for-beginners-a-guide-for-front-end-developers/","tags":["npm","tutorial","article"],"content":"は何か、npmの使い方のチュートリアル。\nよく見るプロジェクトのディレクトリ構造、`node_modules`ディレクトリ、npmコマンドとオプションについて\n\n\n-","relatedLinks":[]},{"category":"Article","title":"napshot testing the hard way | Better world by better software\n[gl","url":"https://glebbahmutov.com/blog/snapshot-testing/","tags":["JavaScript","testing"],"content":"はSnapshotテストがあるが、テストフレームワークに依存しないでSnapshotテストを行う方法について\n\n- [","relatedLinks":[{"title":"bahmutov/snap-shot: Jest-like snapshot feature for the rest of us, works magically by finding the right caller function","url":"https://github.com/bahmutov/snap-shot"}]},{"category":"Article","title":"TypeScriptとの関わり方ガイドライン - 角待ちは対空\n[blo","url":"http://blog.yux3.net/entry/2017/02/05/000805","tags":["TypeScript","tutorial"],"content":"Scriptを使って書いてる人向けのTypeScriptの考え方について。\n典型的なエラーの意味や、コンパイラオプション、`_` prefixや`this`へ型付けなど特殊な部分について。\nまた、TypeScript特有のキーワードや参考となるドキュメントについて\n\n\n---","relatedLinks":[]},{"category":"Article","title":"aScript Start-up Performance – Dev Channel – Medium\n[medi","url":"https://medium.com/@addyosmani/javascript-start-up-performance-69200f43b201","tags":["JavaScript","performance"],"content":"iptの起動速度について。\nモバイル等CPU処理速度が遅いとパースとコンパイルに時間がかかる。\nそのため、ファイルサイズやパース、コンパイル時間は重要となる。\n開発者ツールを使っての計測方法、User Timing API、V8のCode Caching、scriptのロード方法の最適化などについて\n\n- [V8","relatedLinks":[{"title":"V8 Stats in Chrome - Google スライド","url":"https://docs.google.com/presentation/d/1Lq2DD28CGa7bxawVH_2OcmyiTiBn74dvC6vn2essroY/edit#slide=id.g1a504e63c9_2_84"}]},{"category":"Article","title":"駆動型サービス実行基盤としての Service Worker - Qiita\n[qiita","url":"http://qiita.com/nhiroki/items/65efc9e41ec1d928afcd","tags":["JavaScript","ServiceWorker","歴史","opinion"],"content":"ppCacheから始まったService Workerが、ページに依存しない生存期間へ変化していき、fetch以外のイベントもハンドリングできる基盤となっていった変遷について。\n\n\n----\n","relatedLinks":[]},{"category":"Article","title":"up: Vue.js State Management Libraries ← Alligator.io\n[alliga","url":"https://alligator.io/vuejs/roundup-state-management-libraries/","tags":["JavaScript","Vue","library","article"],"content":"るステート管理ライブラリの比較。 特徴やメリット・デメリットについてそれぞれ書かれている\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":"ed JavaScript ES2015 Template Strings with Tagged Templates | appendTo\n[appendt","url":"https://appendto.com/2017/02/advanced-javascript-es2015-template-strings-with-tagged-templates/","tags":["JavaScript","template","article"],"content":"plate Literalについての解説。 サンプルを用いながら、タグ関数の引数について解説してる\n\n\n----\n<h","relatedLinks":[]},{"category":"SlideVideo","title":"sive Transpilation at Netflix and the road to running native ES2015 in production // Speaker Deck\n[speakerd","url":"https://speakerdeck.com/betaorbust/progressive-transpilation-at-netflix-and-the-road-to-running-native-es2015-in-production","tags":["JavaScript","slide","ECMAScript","browser"],"content":"ザ別にTranspileしたJavaScriptを配信するためにやっていることについて。\nモダンなブラウザはES2015に対応しているため、変換やpolyfillなどの分として20-40％程度payloadが小さくできる。\n一方、圧縮ツールやES2015対応してるかの判定方法などの問題について\n\n\n----\n\n##","relatedLinks":[]},{"category":"SlideVideo","title":"s\n[avacasts.","url":"http://avacasts.com/","tags":["JavaScript","testing","video"],"content":"ンキャスト\n\n\n----\n<h1 ","relatedLinks":[]},{"category":"WebsiteDocument","title":"snap-shot: Jest-like snapshot feature for the rest of us, works magically by finding the right caller function\n[github.com","url":"https://github.com/bahmutov/snap-shot","tags":["JavaScript","React","library","testing"],"content":"hotテストを行うテストライブラリ\n\n\n----\n\n## M","relatedLinks":[]},{"category":"WebsiteDocument","title":"[yomguithere","url":"https://yomguithereal.github.io/mnemonist/","tags":["JavaScript","library"],"content":"avaScriptライブラリ。\nQueue、Trie、Linked List、Bloom Filterなど\n\n\n----\n<h1 cl","relatedLinks":[]},{"category":"SoftwareLibrary","title":"vet: A simple CLI tool for vetting npm package versions\n[github.com/h","url":"https://github.com/harksys/npmvet","tags":["JavaScript","node.js","Tools","console","npm"],"content":"`node_modules`にインストールされているパッケージのバージョンを比較/ロックされているかをチェック出来るツール。\n手元と毎回新規インストールされるCIにおけるバージョンを揃えるのが目的\n\n- [NPM Vet, a","relatedLinks":[{"title":"NPM Vet, a simple CLI tool for checking npm package versions - Hark.","url":"https://harksys.com/labs/npm-vet-a-simple-cli-tool-for-checking-npm-package-versions/"},{"title":"mgol/check-dependencies: Checks if currently installed npm dependencies are installed in the exact same versions that are specified in package.json","url":"https://github.com/mgol/check-dependencies"}]},{"category":"SoftwareLibrary","title":"stics\n[simplestatist","url":"http://simplestatistics.org/","tags":["JavaScript","統計","library"],"content":"JavaScriptライブラリ\n\n\n----\n\n## abra","relatedLinks":[]},{"category":"SoftwareLibrary","title":"esh/npm-module-stats: Get recursive file size and dependencies of any NPM module without installing the module\n[github.com/abr","url":"https://github.com/abrahamjagadeesh/npm-module-stats","tags":["npm","Tools","library"],"content":"pmモジュールのファイルサイズを一覧できるツール\n\n\n----\n\n## david","relatedLinks":[]}]},{"meta":{"title":"2017-02-20のJS: Babel 6.23.0、React Context、HTMLリファレンス","author":"azu","layout":"post","date":"2017-02-20T00:31:04.561Z","category":"JSer","tags":["Babel","React","HTML"],"url":"https://jser.info/2017/02/20/babel-6.23.0-react-context-html/"},"items":[{"category":"Headline","title":"6.23.0 Released · Babel","url":"https://babeljs.io/blog/2017/02/13/6.23.0","tags":["babel","ReleaseNote"],"content":"abel 6.23.0リリース。\n`transform-es2015-block-scoping`に`throwIfClosureRequired`オプションの追加、`babel-preset-flow`の追加。\nReactの最適化プラグインのバグ修正、`babel-traverse`に隣接Nodeを取得するAPIの追加など\n","relatedLinks":[]},{"category":"Headline","title":"# Release v0.39.0 · facebook/flow\n","url":"https://github.com/facebook/flow/releases/tag/v0.39.0","tags":["flowtype","ReleaseNote"],"content":"ow v0.39.0リリース。\n`--no-suppressions`のサポート、typeをJSON printできる`$Flow$DebugPrint` typeの追加など\n\n","relatedLinks":[]},{"category":"Headline","title":" Release Safari IndexedDB support! · localForage/localForage\n[","url":"https://github.com/localForage/localForage/releases/tag/1.5.0","tags":["JavaScript","library","ReleaseNote"],"content":"alForage 1.5.0リリース。\nSafari 10.1からはIndexedDBを使うように変更された。\n\n\n","relatedLinks":[]},{"category":"Article","title":"node の security checkをするなら nsp が便利 - from scratch\n[y","url":"http://yosuke-furukawa.hatenablog.com/entry/2017/02/14/113910","tags":["node.js","security","Tools"],"content":"クトに依存しているモジュールに脆弱性がないかをチェックするツール\nNode Security Platformに公開されている脆弱性を元にチェックする\n\n\n-","relatedLinks":[]},{"category":"Article","title":"ative ECMAScript modules: dynamic import()\n[bl","url":"https://blog.hospodarets.com/native-ecmascript-modules-dynamic-import","tags":["ECMAScript","JavaScript","browser"],"content":"ic `import()` Proposalについての解説。\n`import()`はPromiseベースのAPIである点について、`import()`のfeature detectとpolyfill、Babelやwebpack 2での利用方法など\n\n---","relatedLinks":[]},{"category":"Article","title":"eed up Service Worker with Navigation Preloads  |  Web  |  Google Developers\n[dev","url":"https://developers.google.com/web/updates/2017/02/navigation-preload","tags":["ServiceWorker","Chrome"],"content":" 57からOrigin-Trialで試験的に使える ServiceWorkerのnavigation preloadについて。\n今まではServiceWorkerが起動してからリクエストが開始されていたため、起動時間がボトルネックとなるケースがあった。\nServiceWorkerをパラレルに扱うことができ、preloadされているリクエストを取得できるAPIについて\n\n- [O","relatedLinks":[{"title":"OriginTrials/developer-guide.md at gh-pages · jpchase/OriginTrials","url":"https://github.com/jpchase/OriginTrials/blob/gh-pages/developer-guide.md"}]},{"category":"Article","title":"text in ReactJS Applications\n[java","url":"http://javascriptplayground.com/blog/2017/02/context-in-reactjs-applications/","tags":["React","tutorial"],"content":"ontextがどのように動いているかの解説。Contextのメリットとデメリットについて。\nContextの値の流れ、テストの難しさ、ライブラリでの利用について\n\n\n----","relatedLinks":[]},{"category":"Article","title":"fill のあり方と Web の進化と協調するためのガイドライン | blog.jxck.io\n[blog.","url":"https://blog.jxck.io/entries/2017-02-17/polyfill-implementation-guideline.html","tags":["polyfill","JavaScript","WebPlatformAPI"],"content":"の役割と、早すぎたpolyfillの実装は仕様変更を難しくするSpeculative Polyfillの問題について。\n間違ったpolyfillの実装、別名での回避事例、\npolyfillを実装するタイミングなどついて書かれてたW3C TAGのドキュメントについて。\n\n- [Pol","relatedLinks":[{"title":"Polyfills and the evolution of the Web","url":"https://w3ctag.github.io/polyfills/"}]},{"category":"Article","title":"書き方 from JavaScript - Qiita\n[qiita.","url":"http://qiita.com/mrasu/items/92971c09b6190fdfd45e","tags":["i18n","JavaScript","library","article"],"content":"リがどのような事をしているのかや、言語による違いにはどのようなものがあるかについて。\nいくつかのi18nライブラリを例に多言語化のやり方について解説されている記事\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":"aScript Engine: High-performance ES2015 and beyond\n[v8proje","url":"https://v8project.blogspot.com/2017/02/high-performance-es2015-and-beyond.html","tags":["ECMAScript","JavaScript","V8","article"],"content":"のパフォーマンス改善の取り組みについて。 Babelで変換されたコードサイズの問題やES5で同等の事を行う時の速度の違いについてなど\n\n\n----\n<h","relatedLinks":[]},{"category":"WebsiteDocument","title":" Tutorial | HTML & CSS Is Hard\n[internet","url":"https://internetingishard.com/html-and-css/flexbox/","tags":["CSS"],"content":"の解説。\nFlexboxのそれぞれのプロパティについてどのようなレイアウトを実現できるかについて書かれてる。\n\n\n----\n\n##","relatedLinks":[]},{"category":"WebsiteDocument","title":"pt 日本語ハンドブック | js STUDIO\n[js.studio","url":"http://js.studio-kingdom.com/typescript/","tags":["TypeScript","翻訳","document"],"content":"ドブックの翻訳\n\n\n----\n\n## ","relatedLinks":[]},{"category":"WebsiteDocument","title":"rence - A free guide to all HTML elements and attributes.\n[htmlrefere","url":"http://htmlreference.io/","tags":["HTML","リファレンス"],"content":"サイト。\nそれぞれのタグごとに動作するサンプルがあり、block/inline/self-closing/metaで大きく分類されている。\n\n\n----\n\n## O","relatedLinks":[]},{"category":"WebsiteDocument","title":" the front end for the browser\n[hackernoon.","url":"https://hackernoon.com/optimising-the-front-end-for-the-browser-f2f51a29c572","tags":["browser","performance"],"content":"についての記事。\nHTMLの取得、ネットワーク、DOM、CSSOM、JavaScriptの処理。\nまたこれらの処理の最適化やそのメリットについて\n\n\n----\n<h1 cl","relatedLinks":[]},{"category":"SoftwareLibrary","title":"Born to build better enterprise frameworks and apps with Node.js & koa\n[github.com/e","url":"https://github.com/eggjs/egg","tags":["node.js","JavaScript","library"],"content":"レームワーク。\nconvention over configurationを重視したフレームワーク\n\n\n----\n\n## Rou","relatedLinks":[]},{"category":"SoftwareLibrary","title":"ughjs.com/]","url":"https://roughjs.com/","tags":["JavaScript","canvas","SVG","library"],"content":"vasライブラリ。\nSVG pathも手描き風に描画することができる。\n\n\n----\n\n## tunn","relatedLinks":[]},{"category":"SoftwareLibrary","title":"ibon: :1st\\_place\\_medal: Functional client-side router in ~570 bytes, built on HTML5 History API.\n[github.com/tun","url":"https://github.com/tunnckoCore/gibon","tags":["JavaScript","library"],"content":"--\n\n## Jianru","relatedLinks":[]},{"category":"SoftwareLibrary","title":"bda-view: A New Tool for Reading JavaScript Code\n[github.com/Jian","url":"https://github.com/Jianru-Lin/lambda-view","tags":["JavaScript","Tools"],"content":"に読むことを支援するビューアツール。\nスコープ単位でコードを展開して見ていくことができる\n\n----\n<h1 class=\"","relatedLinks":[]},{"category":"Book","title":"iven Development, 2nd Edition - O'Reilly Media\n[shop.oreilly.com","url":"http://shop.oreilly.com/product/9781786465474.do","tags":["AngularJS","book","testing"],"content":"-\n","relatedLinks":[]}]},{"meta":{"title":"2017-02-25のJS: Node v7.6.0、CoffeeScript 2.0α、Vue v2.2.0","author":"azu","layout":"post","date":"2017-02-27T12:16:03.956Z","category":"JSer","tags":["Node.js","CoffeeScript","Vue"],"url":"https://jser.info/2017/02/27/node-v7.6.0-coffeescript-2.0a-vue-v2.2.0/"},"items":[{"category":"Headline","title":"🃏 Jest 19: Immersive Watch Mode & Test Platform Improvements · Jest","url":"https://facebook.github.io/jest/blog/2017/02/21/jest-19-immersive-watch-mode-test-platform-improvements.html","tags":["JavaScript","testing","ReleaseNote"],"content":"est 19プレリリース。\nWatchモードの改善、Snapshotテストで`test`prefixが不要に。\n`expect.stringContaining()`と` expect.toMatchObject()`のサポート。\n`eslint-plugin-jest`は公式プラグイン、設定をチェックできる`jest-validate`の公開\n","relatedLinks":[]},{"category":"Headline","title":"# Release v1.5.0 · karma-runner/karma\n","url":"https://github.com/karma-runner/karma/releases/tag/v1.5.0","tags":["JavaScript","testing","ReleaseNote"],"content":"rma v1.5.0リリース。\nテストをクライアントと同じ`window`で実行する`runInParent`オプションとクライアントページのHTMLを指定できる`customClientContextFile`オプションの追加など\n\n","relatedLinks":[]},{"category":"Headline","title":" Node v7.6.0 (Current) | Node.js\n[","url":"https://nodejs.org/en/blog/release/v7.6.0/","tags":["node.js","ReleaseNote"],"content":"e v7.6.0リリース。\nV8 5.5にアップデートされasync/awaitのサポート、`url.format`がWHATWG URLをサポートするようになるなど\n\n-","relatedLinks":[{"title":"V8 JavaScript Engine: V8 Release 5.5","url":"https://v8project.blogspot.jp/2016/10/v8-release-55.html"},{"title":"node/CHANGELOG","url":"https://github.com/nodejs/node/blob/v7.6.0/doc/changelogs/CHANGELOG_V7.md#7.6.0"}]},{"category":"Headline","title":"Progress as of February 2017: 2.0.0-alpha1! · Issue #71 · coffeescript6/discuss\n[g","url":"https://github.com/coffeescript6/discuss/issues/71","tags":["CoffeeScript","ReleaseNote","issue"],"content":"eeScript 2.0.0-alpha1リリース。\nES2015+に準拠した変更を取り入れていっているバージョンであるため、既存のものとは非互換な部分がある。\n`class`や`=>`がES2015と同等に、\nsplatsはspreadへコンパイルされるように、Tagged Template literal、async/await、`for...of`のサポートなど\n\n- ","relatedLinks":[{"title":"CoffeeScript","url":"https://rawgit.com/jashkenas/coffeescript/2/docs/v2/index.html#breaking-changes"}]},{"category":"Headline","title":"nnouncing TypeScript 2.2 | TypeScript\n[bl","url":"https://blogs.msdn.microsoft.com/typescript/2017/02/22/announcing-typescript-2-2/","tags":["TypeScript","ReleaseNote"],"content":"cript 2.2リリース。\nlanguage serviceの改善、`object` typeの追加、string index、mixin class、`new.target`のサポートなど\n\n- [","relatedLinks":[{"title":"Roadmap · Microsoft/TypeScript Wiki","url":"https://github.com/Microsoft/TypeScript/wiki/Roadmap#22-february-2017"},{"title":"Breaking Changes · Microsoft/TypeScript Wiki","url":"https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-22"},{"title":"TypeScript 2.2.1 変更点 - Qiita","url":"http://qiita.com/vvakame/items/eb6c054360868b88f9b1"},{"title":"TypeScript 2.2: The object Type | Marius Schulz","url":"https://blog.mariusschulz.com/2017/02/24/typescript-2-2-the-object-type"}]},{"category":"Headline","title":"lease Notes for Safari Technology Preview 24 | WebKit\n[web","url":"https://webkit.org/blog/7423/release-notes-for-safari-technology-preview-24/","tags":["safari","ReleaseNote"],"content":" Technology Preview Release 24リリース。\n`PerformanceObserver`、`<link preload>`の試験的サポート、`URL`オブジェクトに`toJSON()`の実装、dynamic `import()`のサポートなど\n\n\n---","relatedLinks":[]},{"category":"Headline","title":"AScript 2016+ in Firefox | JavaScript\n[blog","url":"https://blog.mozilla.org/javascript/2017/02/22/ecmascript-2016plus-in-firefox/","tags":["firefox","ECMAScript","JavaScript"],"content":" Nightly 54 でES2016+ Compat tableが100％実装されたとのこと。\nES2016の`**`や`Array#include`などの追加やGenerator Constructorの仕様変更の追従、ES2017の実装について\n\n\n----","relatedLinks":[]},{"category":"Headline","title":"ase v4.4.0 · npm/npm\n[githu","url":"https://github.com/npm/npm/releases/tag/v4.4.0","tags":["npm","ReleaseNote"],"content":"0公開。\n起動時に最新のnpmがあるかを通知するように、`npm run-script`のエラーメッセージが短くなるようになるなど\n\n\n----\n","relatedLinks":[]},{"category":"Headline","title":"se v6.16.0 · babel/babylon\n[github","url":"https://github.com/babel/babylon/releases/tag/v6.16.0","tags":["JavaScript","babel","AST","ReleaseNote"],"content":".16.0リリース。\nESTree互換モードを提供するプラグインの追加、Flowでpritimitive typeを上書する問題を修正するなど\n\n\n----\n\n","relatedLinks":[]},{"category":"Headline","title":"e v0.40.0 · facebook/flow\n[github.","url":"https://github.com/facebook/flow/releases/tag/v0.40.0","tags":["flowtype","ReleaseNote"],"content":".0リリース。\n`this`や`super`をデフォルト引数に利用できるように、built-in libraryの更新、union type周りの最適化など\n\n\n----\n\n#","relatedLinks":[]},{"category":"Headline","title":"/CHANGELOG.md at 4.0.0-rc.1 · angular/angular\n[github.c","url":"https://github.com/angular/angular/blob/4.0.0-rc.1/CHANGELOG.md","tags":["AngularJS","ReleaseNote"],"content":".0 RC1リリース。\nAOTコンパイルしたViewのコード量を削減、コードベースがTypeScript 2.1ベースでStrictNullChecksが有効化された。\nあわせてAngularをサーバサイドでも動かせるUniversalも更新されるなど\n\n- [angula","relatedLinks":[{"title":"angular/RELEASE","url":"https://github.com/angular/angular/blob/master/docs/RELEASE_SCHEDULE.md"}]},{"category":"Headline","title":"v2.2.0 · vuejs/vue\n[github.co","url":"https://github.com/vuejs/vue/releases/tag/v2.2.0","tags":["JavaScript","library","ReleaseNote"],"content":"0リリース。\nテンプレートで閉じタグがない場合にエラーを投げるように、PropsやComputedプロパティはインスタンスではなくprototypeへ定義されるように。\nサーバサイドレンダリング向けに`template`オプションの追加、`errorHandler`や`renderError`でエラーがキャッチできるように。\nReact Context的な値を差し込める`provide`と`inject`のDI機構の追加など\n\n\n----\n<h1 ","relatedLinks":[]},{"category":"Article","title":"set-env: a preset that configures Babel for you\n[www.2ality","url":"http://www.2ality.com/2017/02/babel-preset-env.html","tags":["JavaScript","babel","browser"],"content":"文でサポートブラウザやNode.jsのバージョンなどのターゲットを指定して、その設定を元にBabelの変換やpolyfillを展開してくれるbabel-preset-envについて\n\n\n----\n\n## R","relatedLinks":[]},{"category":"Article","title":"ybook: Develop Beautiful User Interfaces with Ease\n[www.sitepoi","url":"https://www.sitepoint.com/react-storybook-develop-beautiful-user-interfaces-with-ease/","tags":["React","testing"],"content":"助ツールであるReact StoryBookについて。\n`getstorybook`を使ってのセットアップや使い方、Storyの書き方、カスタマイズ方法、デバッグ、自動テストについて\n\n- [mthuret/s","relatedLinks":[{"title":"mthuret/storybook-addon-specifications: Write tests next to your stories and display their results inside storybook interface","url":"https://github.com/mthuret/storybook-addon-specifications"}]},{"category":"Article","title":"Errors and Stack Traces in Depth\n[lucasfcosta.","url":"http://lucasfcosta.com/2017/02/17/JavaScript-Errors-and-Stack-Traces.html","tags":["JavaScript","article","testing"],"content":"トレースをどうやって操作するかという話。\nChaiにおける`Error.captureStackTrace`を使ったスタックトレース操作を例にしている。\nスタックトレースはどのようにできているか、`Error.captureStackTrace`の使い方について\n\n\n----\n\n## Rea","relatedLinks":[]},{"category":"Article","title":"Real World Examples 〜先人から学ぶReact Reduxの知恵〜\n[blog.tai2.net","url":"http://blog.tai2.net/real-world-redux.html","tags":["redux","React","article"],"content":"例を元に、そのアプリのStoreやComponentがどのような構成になっているかを紐解いていった記事\n\n\n----\n\n## Vend","relatedLinks":[]},{"category":"Article","title":"de splitting in webpack 2 – Medium\n[medium.com/@ad","url":"https://medium.com/@adamrackis/vendor-and-code-splitting-in-webpack-2-6376358f1923","tags":["webpack","article"],"content":"ついて。\n`import()`での動的ロードと分割、BundleAnalyzerPluginでの分析、CommonsChunkでの分割\n\n\n----\n\n## 逆引き！フ","relatedLinks":[]},{"category":"Article","title":"ドキパフォーマンス改善 - 青空コメントアウト\n[www.aocomme.com","url":"http://www.aocomme.com/entry/2017/01/18/185753","tags":["browser","performance","article","WebPlatformAPI"],"content":"を考慮したAPIや先読みについて。\n`will-change`、CSS Containment、`requestIdleCallback`、Passive EventListener、`<link rel=preload>`についての紹介\n\n\n----\n<h1 class=","relatedLinks":[]},{"category":"SoftwareLibrary","title":" Node.js test framework\n[github.com/light","url":"https://github.com/lighterio/exam","tags":["JavaScript","node.js","testing","library"],"content":"escribe`や`it`とベンチマーク向けの`bench`、assertionとして`is`、モックを行う`mock`など持つJavaScriptのテストフレームワーク。\nマルチプロセスでテストを実行できるオプションを持っている\n\n\n----\n\n## niieani","relatedLinks":[]},{"category":"SoftwareLibrary","title":"pt-vs-flowtype: Differences between Flowtype and TypeScript 2.1 -- syntax and usability\n[github.com/niiean","url":"https://github.com/niieani/typescript-vs-flowtype","tags":["TypeScript","flowtype"],"content":"比較。\nシンタックスや型定義、それぞれ異なる部分についてなどをまとめたもの\n\n\n----\n\n## developi","relatedLinks":[]},{"category":"SoftwareLibrary","title":": Bare minimum fetch polyfill in 500 bytes.\n[github.com/develop","url":"https://github.com/developit/unfetch","tags":["JavaScript","Fetch","library"],"content":"ブラリ。\n\n\n----\n\n## debitoor/","relatedLinks":[]},{"category":"SoftwareLibrary","title":"immutable: Immutable version of dot-prop with some extensions\n[github.com/debitoor","url":"https://github.com/debitoor/dot-prop-immutable","tags":["JavaScript","library"],"content":"te操作を行うシンプルなライブラリ\n\n\n----\n<h1 class=\"sit","relatedLinks":[]},{"category":"Book","title":"ript for Web Developers: Matt Frisbie: 9781119366447: Amazon.com: Books\n[www.amazon.com/Profe","url":"https://www.amazon.com/Professional-JavaScript-Developers-Matt-Frisbie/dp/1119366445","tags":["JavaScript","book"],"content":"al JavaScript for Web Developersの4版\n\n\n----\n\n## Security an","relatedLinks":[]},{"category":"Book","title":"d Performance - O'Reilly Media\n[www.oreilly.com/webop","url":"http://www.oreilly.com/webops-perf/free/security-and-frontend-performance.csp","tags":["browser","security","performance","book"],"content":"スとセキュリティについての無料の書籍。\nHSTS、CSP/script要素/iframe、リファラポリシー、link要素、難読化、ServiceWorker、メトリクスなど\n\n\n----\n\n## O'Reilly Jap","relatedLinks":[]},{"category":"Book","title":"tビギナーズガイド\n[www.oreilly.co.jp/book","url":"http://www.oreilly.co.jp/books/9784873117881/","tags":["React","book"],"content":" Runningの翻訳本\n\n\n----\n\n## はじめてのCSS設計 フロ","relatedLinks":[]},{"category":"Book","title":"アが教えるメンテナブルなCSS設計手法 | 田辺 丈士, 大江 遼, 藤岡 龍太, 安 光太郎, 株式会社アイ・エム・ジェイ |本 | 通販 | Amazon\n[www.amazon.co.jp/%E3%81","url":"https://www.amazon.co.jp/%E3%81%AF%E3%81%98%E3%82%81%E3%81%A6%E3%81%AECSS%E8%A8%AD%E8%A8%88-%E3%83%95%E3%83%AD%E3%83%B3%E3%83%88%E3%82%A8%E3%83%B3%E3%83%89%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E6%95%99%E3%81%88%E3%82%8B%E3%83%A1%E3%83%B3%E3%83%86%E3%83%8A%E3%83%96%E3%83%AB%E3%81%AACSS%E8%A8%AD%E8%A8%88%E6%89%8B%E6%B3%95-%E7%94%B0%E8%BE%BA-%E4%B8%88%E5%A3%AB/dp/4798143154","tags":["CSS","book"],"content":"\n\n\n----\n","relatedLinks":[]}]},{"meta":{"title":"2017-03-07のJS: Marko 4.0、CoffeeScript+ReactからJavaScriptへ","author":"azu","layout":"post","date":"2017-03-07T01:11:32.227Z","category":"JSer","tags":["template","CoffeeScript","React"],"url":"https://jser.info/2017/03/07/marko-4.0-coffeescript-react-javascript/"},"items":[{"category":"Headline","title":"Release v3.5.0 · petkaantonov/bluebird","url":"https://github.com/petkaantonov/bluebird/releases/tag/v3.5.0","tags":["JavaScript","Promises","library","ReleaseNote"],"content":"luebird v3.5.0リリース。\ncatch時に処理を行いエラー自体はそのまま次のcatchへ渡す`.tapCatch`の追加など\n","relatedLinks":[{"title":"add tapError by benjamingr · Pull Request #1220 · petkaantonov/bluebird","url":"https://github.com/petkaantonov/bluebird/pull/1220"},{"title":".tapCatch | bluebird","url":"http://bluebirdjs.com/docs/api/tapcatch.html"}]},{"category":"Headline","title":"# Marko 4.0 is here 🚀 🎉 – Medium\n","url":"https://medium.com/@mlrawlings/marko-4-0-is-here-837884c5f60d","tags":["JavaScript","template","library","ReleaseNote","VirtualDOM"],"content":"rko 4.0リリース。\nコンポーネントベースのUIライブラリ(テンプレート)で、クライアントとサーバのそれぞれのモードを持っているため、サーバサイドレンダリングが高速。\n\n","relatedLinks":[{"title":"Server-side Rendering Shootout with Marko, Preact, Rax, React and Vue","url":"https://hackernoon.com/server-side-rendering-shootout-with-marko-preact-rax-react-and-vue-25e1ae17800f#.6r2g5rwgk"}]},{"category":"Headline","title":" Node.js - Quality with Speed | Node.js\n[","url":"https://nodejs.org/en/blog/community/quality-with-speed/","tags":["node.js","opinion"],"content":"e.jsの開発プロセスやリリースサイクル、またそれらを支えるテスト基盤について。\n\n\n","relatedLinks":[]},{"category":"Headline","title":"ESLint v3.17.0 released - ESLint - Pluggable JavaScript linter\n[e","url":"http://eslint.org/blog/2017/03/eslint-v3.17.0-released","tags":["ESLint","ReleaseNote"],"content":"nt 3.17.0リリース。\nルール開発者向けの機能追加、`no-compare-neg-zero`と`nonblock-statement-body-position`のルールを追加など\n\n- ","relatedLinks":[{"title":"ESLint v3.17.0 - Qiita","url":"http://qiita.com/mysticatea/items/a2d72c76671c2197c712"}]},{"category":"Headline","title":"elease v0.22.0 · yarnpkg/yarn\n[gi","url":"https://github.com/yarnpkg/yarn/releases/tag/v0.22.0","tags":["npm","node.js","Tools","ReleaseNote"],"content":"0.22.0 プレリリース。\n`--non-interactive`のオプションを追加、`v8-compile-cache`を利用し起動速度を改善、Docker image(`yarnpkg/node-yarn`)の追加など\n\n- [","relatedLinks":[{"title":"zertosh/v8-compile-cache: Require hook for automatic V8 compile cache persistence","url":"https://github.com/zertosh/v8-compile-cache"}]},{"category":"Headline","title":"rtosh/v8-compile-cache: Require hook for automatic V8 compile cache persistence\n[git","url":"https://github.com/zertosh/v8-compile-cache","tags":["V8","node.js","library"],"content":"5.7.0から導入されたV8のcode cacheを保持するrequire hookを提供するライブラリ。\nyarnやnuclideなどの起動速度改善に使われてる\n\n\n---","relatedLinks":[]},{"category":"Article","title":"ら始めるJavaScript入門 ： DESIGNMAP\n[desi","url":"http://designmap.info/category/lecture/javascript-introduction/","tags":["ECMAScript","tutorial","JavaScript"],"content":"ースにしたJavaScript入門チュートリアル\n\n\n----","relatedLinks":[]},{"category":"Article","title":"ep-By-Step Guide for Building Master-Detail User Interfaces with AngularTelerik Developer Network\n[devel","url":"http://developer.telerik.com/content-types/tutorials/step-step-guide-building-master-detail-user-interfaces-angular/","tags":["AngularJS","JavaScript","tutorial"],"content":"よくあるリストビューと詳細ビューからなるアプリを作るチュートリアル\n\n\n----\n","relatedLinks":[]},{"category":"Article","title":"rogressive Web Apps）の現状とその開発方法 | フロントエンドBlog | ミツエーリンクス\n[www.mi","url":"https://www.mitsue.co.jp/knowledge/blog/frontend/201702/23_2217.html","tags":["ProgressiveWebApp","article"],"content":"てまとめられた記事。\nGoogleによるケーススタディや開発方法について\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":"ript void Keyword\n[cmichel","url":"http://cmichel.io/javascript-void-keyword/","tags":["JavaScript","article"],"content":"の`void`キーワードについて。\n`if(condition) { return void console.log(\"\"); }`のようなケースで利用できるという話。\n\n\n----\n\n#","relatedLinks":[]},{"category":"Article","title":" Blog - Converting a large React Codebase from Coffeescript to ES6\n[blog.bug","url":"http://blog.bugsnag.com/converting-a-large-react-codebase-from-coffeescript-to-es6/","tags":["CoffeeScript","JavaScript","React","article"],"content":"t(cjsx)からJavaScriptへのマイグレーションについての記事。\ndecaffeinateはcjsxをサポートしていないため、`React.createElement`ベースのJSに変換し、react codemod toolでJSXに再変換する。\n変換したコードベースを`prettier`で整形し、`eslint`で細かいところを直す。\nそれらをまとめた`Depercolator`というツールを作った話\n\n- [jsdf/c","relatedLinks":[{"title":"jsdf/coffee-react-transform: DEPRECATED – Provides React JSX support for Coffeescript","url":"https://github.com/jsdf/coffee-react-transform"},{"title":"reactjs/react-codemod: React codemod scripts","url":"https://github.com/reactjs/react-codemod#create-element-to-jsx"},{"title":"bugsnag/depercolator: Tool for converting coffeescript to idiomatic javascript and JSX","url":"https://github.com/bugsnag/depercolator"}]},{"category":"Article","title":"nd the Scenes (February Edition feat. A tale of TurboFan) | Benedikt Meurer\n[benediktm","url":"http://benediktmeurer.de/2017/03/01/v8-behind-the-scenes-february-edition/","tags":["V8","JavaScript","article"],"content":"Fanプロジェクトの歴史について。\n2013年から開始したプロジェクトで、Crankshaftはfast pathにフォーカスしていたが、TurboFanはslow pathにもフォーカスしているという話。\nV8において予測できないパフォーマンス問題を作っていたFunction#bindやPromiseの話。\nTurboFanのアーキテクチャについての解説など\n\n\n----\n\n## ","relatedLinks":[]},{"category":"Article","title":"pentype.js: Read and write OpenType fonts using JavaScript.\n[github.com","url":"https://github.com/nodebox/opentype.js","tags":["JavaScript","fonts","library"],"content":"読み書きを行うライブラリ\n\n\n----\n\n## H","relatedLinks":[]},{"category":"Article","title":"imize CPU-Intensive Work in Node.js – Medium\n[medium.com/","url":"https://medium.com/@graeme_boy/how-to-optimize-cpu-intensive-work-in-node-js-cdc09099ed41","tags":["node.js","tutorial","article"],"content":"ドなプログラムを別プロセスで処理する方法について。\n`child_process`の扱い方について書かれた記事\n\n\n----\n\n## A ","relatedLinks":[]},{"category":"Article","title":"=preload Analysis From the Chrome Data Saver Team – reloading – Medium\n[medium.com/r","url":"https://medium.com/reloading/a-link-rel-preload-analysis-from-the-chrome-data-saver-team-5edf54b08715","tags":["browser","Chrome","HTTP2","article"],"content":"reload`がどのように動いているのかの解説記事。\nクリティカルリソースを宣言的に先読みするもので、優先度については仕様では未定義。\nChromeにおけるpreloadの優先度やpreloadとasync属性の違いなどについて\n\n\n----\n\n## A D","relatedLinks":[]},{"category":"Article","title":"ntroduction To Webpack – Smashing Magazine\n[www.smashingm","url":"https://www.smashingmagazine.com/2017/02/a-detailed-introduction-to-webpack/","tags":["webpack","tutorial"],"content":"リアル。\nloader、動的ロード、コード分割について\n\n\n----\n<h1 clas","relatedLinks":[]},{"category":"WebsiteDocument","title":"Snyk's public vulnerability database\n[github.com/sny","url":"https://github.com/snyk/vulndb","tags":["security","npm","webservice"],"content":"mの脆弱性についてを集めたデータベース。\n\n- [VulnDB | Sny","relatedLinks":[{"title":"VulnDB | Snyk","url":"https://snyk.io/vuln"}]},{"category":"SoftwareLibrary","title":"modern load testing toolkit\n[artillery.io/](","url":"https://artillery.io/","tags":["testing","performance","HTTP"],"content":"テストを行うことができるツール。\nシナリオを元にしたテストもできる。\n\n\n----\n\n## typico","relatedLinks":[]},{"category":"SoftwareLibrary","title":": Prevents publishing a module with bad paths\n[github.com/typic","url":"https://github.com/typicode/pkg-ok","tags":["npm","Tools","console"],"content":"`と`bin`が正しいかをチェックするツール。\n\n- [maxogden/depen","relatedLinks":[{"title":"maxogden/dependency-check: checks which modules you have used in your code and then makes sure they are listed as dependencies in your package.json","url":"https://github.com/maxogden/dependency-check"}]},{"category":"SoftwareLibrary","title":"c: Use JSDoc to represent Flow annotations\n[github.com/Kegsay","url":"https://github.com/Kegsay/flow-jsdoc","tags":["JSDoc","flowtype","Tools"],"content":"テーションへ変換するツール\n\n\n----\n","relatedLinks":[]}]},{"meta":{"title":"2017-03-14のJS: Firefox 52.0、Polymer 2.0 RC、コンポーネントのリファクタリング戦略","author":"azu","layout":"post","date":"2017-03-14T00:40:19.564Z","category":"JSer","tags":["Firefox","Polymer","React","Component","refactoring"],"url":"https://jser.info/2017/03/14/firefox-52.0-polymer-2.0-rc-component-refactoring/"},"items":[{"category":"Headline","title":"Release Notes for Safari Technology Preview 25 | WebKit","url":"https://webkit.org/blog/7432/release-notes-for-safari-technology-preview-25/","tags":["safari","ReleaseNote"],"content":"afari Technology Preview Release 25リリース。\n","relatedLinks":[]},{"category":"Headline","title":"# Apollo Client 1.0 is coming\n","url":"https://dev-blog.apollodata.com/apollo-client-1-0-is-coming-23b74b13fbbb","tags":["GraphQL","library","ReleaseNote"],"content":"aphQLクライアントのApollo Client 1.0リリース\n\n","relatedLinks":[]},{"category":"Headline","title":" Firefox 52.0 リリースノート\n[","url":"https://www.mozilla.jp/firefox/52.0/releasenotes/","tags":["firefox","ReleaseNote"],"content":"efox 52.0リリース。\nwasmのデフォルト有効化、CSS Gridのサポート、`rel=\"noopener\"`のサポート、async/await、Unicode code pointを識別子として利用できるようになるなど\n\n-","relatedLinks":[{"title":"Firefox 52 for developers - Mozilla | MDN","url":"https://developer.mozilla.org/ja/Firefox/Releases/52"},{"title":"Firefox 52 サイト互換性情報 | Firefox サイト互換性情報","url":"https://www.fxsitecompat.com/ja/versions/52/"},{"title":"Firefox 52 が正式リリース、WebAssembly、CSS Grid Layout の実装、レスポンシブデザインモードの拡充など盛りだくさん | WWW WATCH","url":"https://hyper-text.org/archives/2017/03/firefox_52_release.shtml"}]},{"category":"Headline","title":"qunit/History.md at 2.2.0 · qunitjs/qunit\n[g","url":"https://github.com/qunitjs/qunit/blob/2.2.0/History.md","tags":["JavaScript","testing","library","ReleaseNote"],"content":"t 2.2.0リリース。\n1つ以上のテストがFailのときはPassし、Todoのみが残った時はFaillする`QUnit.todo`の追加、通った順序を記録し検証する`assert.step()`と`assert.verifySteps`を追加など\n\n\n-","relatedLinks":[]},{"category":"Headline","title":"elease Inferno 1.4.0 · infernojs/inferno\n[gi","url":"https://github.com/infernojs/inferno/releases/tag/1.4.0","tags":["JavaScript","library","ReleaseNote"],"content":"no v1.4.0リリース。\nSVGのサポートを修正、optimize-jsの対応など\n\n\n--","relatedLinks":[]},{"category":"Headline","title":"lcome 2.0 Release Candidate! - Polymer Project\n[www","url":"https://www.polymer-project.org/blog/2017-03-08-2-0-rc","tags":["JavaScript","WebComponents","library","ReleaseNote"],"content":"r 2.0.0 RCリリース。\nCustom Elements v1、Shadow DOM v1の仕様に追従した変更が含まれてる。\nES2015 classesの対応、ライフサイクルの変更、`is`属性サポートの廃止、データ変更検知の仕組みの変更など\n\n- [A","relatedLinks":[{"title":"About Polymer 2.0 - Polymer Project","url":"https://www.polymer-project.org/2.0/docs/about_20"},{"title":"Polymer 2.0 upgrade guide - Polymer Project","url":"https://www.polymer-project.org/2.0/docs/upgrade"}]},{"category":"Article","title":"oducing Almin 0.10.0: TypeScript, FlowType, Logger | Web Scratch\n[efcl","url":"http://efcl.info/2017/03/08/almim0.10/","tags":["JavaScript","library","ReleaseNote","TypeScript","flowtype"],"content":"ラリのAlmin 0.10.0リリース。\nコードベースをTypeScript化、FlowTypeのサポート改善、開発用のロガーの改善など\n\n- [Re","relatedLinks":[{"title":"Release 0.10.0 · almin/almin","url":"https://github.com/almin/almin/releases/tag/0.10.0"}]},{"category":"Article","title":"を使ったアーキテクチャについて - console.lealog();\n[lealo","url":"http://lealog.hateblo.jp/entry/2017/03/08/114017","tags":["JavaScript","library"],"content":"イブラリであるMobXについて。\n\n- [mob","relatedLinks":[{"title":"mobxjs/mobx: Simple, scalable state management.","url":"https://github.com/mobxjs/mobx"}]},{"category":"Article","title":"e ECMAScript modules: nomodule attribute for the migration\n[blog.h","url":"https://blog.hospodarets.com/native-ecmascript-modules-nomodule","tags":["JavaScript","ECMAScript","module","article"],"content":"`nomodule`属性について\nモジュールをサポートしてない環境でのみ実行されるscript要素で、fallbackを行う方法について\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":"lete Guide to CSS Grid | Codrops CSS Reference\n[tympanu","url":"https://tympanus.net/codrops/css_reference/grid/","tags":["CSS","article"],"content":"いての詳しい解説\n\n\n----\n\n#","relatedLinks":[]},{"category":"Article","title":"Airbnb Search to React – Airbnb Engineering & Data Science – Medium\n[medium.c","url":"https://medium.com/airbnb-engineering/moving-airbnb-search-to-react-b85b815e166c","tags":["JavaScript","opinion","article"],"content":"chがTwitter’s FlightからReactに移行した話。\n何を指標にしてリファクタリングを行うかについて。\n内製のパフォーマンス計測し検証しながら移行するアプローチについて\n\n- [Experi","relatedLinks":[{"title":"Experiment Reporting Framework - Airbnb Engineering","url":"http://nerds.airbnb.com/experiment-reporting-framework/"}]},{"category":"Article","title":"ク指向の Web クライアントサイドプログラミング - Hatena Developer Blog\n[developer","url":"http://developer.hatenastaff.com/entry/2017/03/10/190229","tags":["JavaScript","DOM","設計","TypeScript"],"content":"ーンを使ったフレームワークを使わないアプリケーション設計について。\nView/Presenter/Modelに役割を分担したクラスを扱う方法について\n\n\n----\n\n## ","relatedLinks":[]},{"category":"Article","title":"ion to Web Audio API | CSS-Tricks\n[css-tricks","url":"https://css-tricks.com/introduction-web-audio-api/","tags":["audio","tutorial","web","article"],"content":"についてのチュートリアル。 どのようなAPI体系であるか、OscillatorNodeを使っての解説、Web Audio APIにおける時間の扱いなどについて\n\n\n----\n<h1 c","relatedLinks":[]},{"category":"SlideVideo","title":"ow Chrome Dev Tools Tricks - YouTube\n[www.youtube","url":"https://www.youtube.com/watch?v=xkzDaKwinA8","tags":["JavaScript","Chrome","debug","video"],"content":"てのスクリーンキャスト\n\n\n----\n\n## WA","relatedLinks":[]},{"category":"SlideVideo","title":"方と使い方を整理しよう\n[www.slidesha","url":"https://www.slideshare.net/nozomisawada969/waiaria-72900338","tags":["WAI-ARIA","accessibility","slide"],"content":"イド。\n`aria-*`属性、role属性の使い分けや意味合いについて。\nランドマーク、文書構造、ウィジェット、ライブ領域、tabindex属性などについて\n\n\n----\n\n## Ang","relatedLinks":[]},{"category":"SlideVideo","title":"ってくる！？ 新機能ダイジェスト\n[www.slideshar","url":"https://www.slideshare.net/masahikoasai/20160306-angular-4","tags":["AngularJS","slide"],"content":"フサイクルについてのスライド。\nAngular 2.xからsemverに準拠したアップデートとなり、4.xへのメジャーアップデートどのような点が変わるのかについて。\n機能追加やアップデート方法について\n\n\n----\n<h1 clas","relatedLinks":[]},{"category":"WebsiteDocument","title":"xible CSS Framework for building modern responsive web apps\n[www.getpoint.i","url":"http://www.getpoint.io/","tags":["CSS","library"],"content":"ーストなCSSフレームワーク\n\n\n----\n<h1 class","relatedLinks":[]},{"category":"SoftwareLibrary","title":"ild browsers and browser like applications with HTML, CSS, and JavaScript\n[github.com/brav","url":"https://github.com/brave/muon","tags":["Electron","security"],"content":"k。\nChromiumのソースを直接使うように、Chrome extensionsのサポート、renderer processからNode.jsを完全に除去するのが目的\n\n\n----\n\n## hypera","relatedLinks":[]},{"category":"SoftwareLibrary","title":"pp: 1kb JavaScript library for building frontend applications.\n[github.com/hyper","url":"https://github.com/hyperapp/hyperapp","tags":["JavaScript","DOM","library"],"content":"、Router、State管理をまとめて扱えるライブラリ\n\n\n----\n\n## staltz/","relatedLinks":[]},{"category":"SoftwareLibrary","title":"s-like: Assert that an HTML string looks approximately the same as another HTML\n[github.com/staltz","url":"https://github.com/staltz/html-looks-like","tags":["HTML","testing","library"],"content":"ストライブラリ。\n\n\n----\n\n## BafS/Gut","relatedLinks":[]},{"category":"SoftwareLibrary","title":"odern framework to print the web correctly.\n[github.com/BafS/Gu","url":"https://github.com/BafS/Gutenberg","tags":["CSS"],"content":"\n## Sazerac\n[","relatedLinks":[]},{"category":"SoftwareLibrary","title":".com/](htt","url":"http://sazeracjs.com/","tags":["JavaScript","testing","library"],"content":"ストライブラリ。\nJasmine、Jest、Mochaと一緒に動作する。\nデータごとのテストケースを作るような_パラメタライズドテスト_を行える。\n\n\n----\n<h1 class=\"sit","relatedLinks":[]},{"category":"Book","title":"～JavaScript/HTML/CSSでデスクトップアプリを作ろう：書籍案内｜技術評論社\n[gihyo.jp/book/2017/9","url":"http://gihyo.jp/book/2017/978-4-7741-8819-5","tags":["Electron","book"],"content":"いての書籍\n\n\n----\n","relatedLinks":[]}]},{"meta":{"title":"2017-03-19のJS: jQuery 3.2.0、Sinon.JS 2.0、testdouble.js 2.0、React/Redux/CRUD","author":"azu","layout":"post","date":"2017-03-19T11:36:53.197Z","category":"JSer","tags":["jQuery","testing","library","react","redux","CRUD"],"url":"https://jser.info/2017/03/19/jquery-3.2.0-sinon.js-2.0-testdouble.js-2.0-reactreduxcrud/"},"items":[{"category":"Headline","title":"Migrating to v2.0","url":"http://sinonjs.org/releases/v2.0.0/migrating-to-2.0/","tags":["JavaScript","testing","library","ReleaseNote"],"content":"inon.js 2.0リリース。\n`sinon.log`や`sinon.logError`は削除、`sinon.test`と`sinon.testCase`がコアから削除され別モジュールへ分離。\nInternalなメソッドが非推奨になるなど\n","relatedLinks":[{"title":"sinon/Changelog.txt at v2.0.0 · sinonjs/sinon","url":"https://github.com/sinonjs/sinon/blob/v2.0.0/Changelog.txt"}]},{"category":"Headline","title":"# jQuery 3.2.0 Is Out! | Official jQuery Blog\n","url":"https://blog.jquery.com/2017/03/16/jquery-3-2-0-is-out/","tags":["jQuery","ReleaseNote"],"content":"uery 3.2.0リリース。\n`$.css`がCSS Custom Propertyをサポート、transformされた要素の`.width()`、`.height()`の値がおかしい問題を修正、`<template>`要素をサポートなど\n\n","relatedLinks":[]},{"category":"Headline","title":" Release react-router@4.0.0: Publish · ReactTraining/react-router\n[","url":"https://github.com/ReactTraining/react-router/releases/tag/react-router%404.0.0","tags":["React","ReleaseNote","library"],"content":"ct Router 4.0.0リリース。\n書き直されたバージョンであり、既存のものとは互換性がないためマイグレーションガイドは用意されていない。\n\n-","relatedLinks":[{"title":"https://github.com/ReactTraining/react-router/tree/v4.0.0-beta.8#why-a-major-version-bump","url":"https://github.com/ReactTraining/react-router/tree/v4.0.0-beta.8#why-a-major-version-bump"},{"title":"Migration guide v3 -","url":"https://github.com/ReactTraining/react-router/issues/4738"},{"title":"v4 FAQ","url":"https://github.com/ReactTraining/react-router/tree/v4.0.0-beta.8#why-a-major-version-bump"},{"title":"react-router@v4対応したので雑に晒す - Qiita","url":"http://qiita.com/Jey/items/dae2074427547e63569b"}]},{"category":"Headline","title":"Release v0.42.0 · facebook/flow\n[g","url":"https://github.com/facebook/flow/releases/tag/v0.42.0","tags":["flowtype","ReleaseNote"],"content":" 0.42.0リリース。\nObject type spread `type TypeB = { ...TypeA }` の追加。`flow ide`コマンドの追加など\n\n\n-","relatedLinks":[]},{"category":"Headline","title":"SLint v3.18.0 released - ESLint - Pluggable JavaScript linter\n[es","url":"http://eslint.org/blog/2017/03/eslint-v3.18.0-released","tags":["ESLint","ReleaseNote"],"content":"t 3.18.0リリース。\nesqueryベースのASTセレクタに対応しルール内でセレクタを指定できるようになるなど\n\n- [","relatedLinks":[{"title":"estools/esquery: ECMAScript AST query library.","url":"https://github.com/estools/esquery"},{"title":"Selectors - ESLint - Pluggable JavaScript linter","url":"http://eslint.org/docs/developer-guide/selectors"},{"title":"ESLint v3.18.0 - Qiita","url":"http://qiita.com/mysticatea/items/264e59b3d28e13b633df"}]},{"category":"Article","title":"sting Service Workers – Dev Channel – Medium\n[med","url":"https://medium.com/dev-channel/testing-service-workers-318d7b016b19","tags":["ServiceWorker","testing"],"content":"eWorkerのスクリプトに対するユニットテストについて。\nTests in SW、イベントのエミュレート、Push Eventのテストについてなど\n\n\n---","relatedLinks":[]},{"category":"Article","title":" Proxy をつかって堅牢なオブジェクトをつくるTips\n[aloe","url":"https://aloerina01.github.io/javascript/2017/03/14/1.html","tags":["JavaScript"],"content":"Proxyを使ったImmutableやSingletonなどを例にした、オブジェクトの拡張方法について。\nProxyのtrapやReflect APIについて\n\n\n----","relatedLinks":[]},{"category":"Article","title":"meでReactコンポーネントのテストを書こう - DMM.comラボエンジニアブログ\n[labot","url":"http://labotech.dmm.com/entry/2017/03/07/180449","tags":["React","testing","tutorial","article"],"content":"ったReactコンポーネントのテスト方法について\n\n\n----\n","relatedLinks":[]},{"category":"Article","title":"round Tabs in Chrome 57  |  Web  |  Google Developers\n[develo","url":"https://developers.google.com/web/updates/2017/03/background_tabs","tags":["Chrome"],"content":"クグラウンドタブにおける制限について。 \nChrome 57からは、timerやrequestAnimationFrameに加えて、budget-basedの制限が加わる。\nバックグラウンドにいるかはPage visibility APIで判定できる。 テスト時などは`--disable-background-timer-throttling`のフラグで無効化できる。\n\n\n----\n\n","relatedLinks":[]},{"category":"Article","title":"Fluxアーキテクチャをやってみる | Web Scratch\n[efcl.in","url":"http://efcl.info/2017/03/17/almin-introduction/","tags":["JavaScript","redux","Flux","library","tutorial"],"content":"ウンターアプリを書きながら、どのようにFlux的な一方通行のデータフローを行うかについての記事。\n開発用のロガーやブラウザ拡張との連携について\n\n\n----\n\n#","relatedLinks":[]},{"category":"Article","title":"internals #1: the easy parts – Medium\n[medium.c","url":"https://medium.com/@asolove/preact-internals-1-the-easy-parts-3a081fa36205","tags":["JavaScript","React","article"],"content":"についての連載記事\n\n\n----\n\n##","relatedLinks":[]},{"category":"Article","title":"ive Web App Libraries in Production – Dev Channel – Medium\n[medium.co","url":"https://medium.com/dev-channel/progressive-web-app-libraries-in-production-b52cad37d34","tags":["ProgressiveWebApp","article","ServiceWorker"],"content":"rを使ったキャッシュ周りなどを導入するツールであるsw-precache、 sw-toolbox、offline-analyticsの紹介記事\n\n\n----\n\n## ","relatedLinks":[]},{"category":"Article","title":"ux+Express+MongoDBでものすごくシンプルなCRUDアプリをつくる - Qiita\n[qiita.com/","url":"http://qiita.com/m_yama6/items/573247b12ff0bc4e5d3c","tags":["React","article","node.js","redux","tutorial"],"content":"-app`を使いReact+Reduxのセットアップを行いフロントを書き、Express+MongoDB+mongooseでバックエンドを書いていくチュートリアル記事。 フロントエンドとバックエンドの接続部分も丁寧にかかれている。\n\n\n----\n\n## T","relatedLinks":[]},{"category":"Article","title":"e | Our Thinking | testdouble.js 2.0\n[blog.testdo","url":"http://blog.testdouble.com/posts/2017-03-13-testdouble-2.0.html","tags":["JavaScript","library","testing"],"content":"stdouble.js 2.0リリース。 `td.object`ではES2015 Proxyを使い存在しないプロパティなどのアクセスもキャッチ出来るようになるなど、非同期stubのサポート、`td.verify`の改善など\n\n- [Test Doub","relatedLinks":[{"title":"Test Double | Our Thinking | testdouble.js vs. sinon.js","url":"http://blog.testdouble.com/posts/2016-03-13-testdouble-vs-sinon.html"}]},{"category":"SlideVideo","title":"ue.js - 算出プロパティはどうやって動いているか\n[kitak.github","url":"https://kitak.github.io/slides/170316-vue-meetup/#","tags":["slide","Vue"],"content":" 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Leaves","url":"https://nolanlawson.com/2022/05/21/the-balance-has-shifted-away-from-spas/","tags":["JavaScript","HTML","opinion","article"],"content":"クライアントサイドルーティングを扱うものとしてのSPAは、ページ移動の問題がブラウザ側で解決されてきているので、ナビゲーション問題を解決するためだけにSPAである必要性はなるなるのではという話。\nブラウザ側のPaint holdingやBF Cacheなどの実装によってMPAでも問題なく高速なナビゲーションが可能になってきている点や、後続する記事ではSPAの長所や改善についても書かれている。\nまた、近年まではSPAを扱うフレームワークが主流だったが、AstroやQwikなどのMPAを扱うフレームワークも増えてきているため選択肢は変わってくるのではという話","relatedLinks":[{"title":"More thoughts on SPAs | Read the Tea Leaves","url":"https://nolanlawson.com/2022/05/25/more-thoughts-on-spas/"},{"title":"State is hard: why SPAs will persist | Read the Tea Leaves","url":"https://nolanlawson.com/2022/05/29/state-is-hard-why-spas-will-persist/"}]},{"category":"WebsiteDocument","title":"Component toolkit for creating live-running code editing experiences | 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Masters","url":"https://frontendmasters.com/blog/vanilla-javascript-reactivity/","tags":["JavaScript","article"],"content":"JavaScriptでReactiveな処理をどう実装するかについて。\nEventTargetとCustomEventを使ったPubSub/Observerパターン、Proxyを使ったリフアクティブなオブジェクト、Signal。\nまたDOMの`MutationObserver`や`IntersectionObserver`などAPIについて","relatedLinks":[]},{"category":"WebsiteDocument","title":"alvarlagerlof/rsc-parser: A parser for the React Server components when sent over the network","url":"https://github.com/alvarlagerlof/rsc-parser","tags":["Chrome","Extension","React","debug"],"content":"React Server Component(RSC)のデバッグをするブラウザ拡張。\nRSCのネットワークリクエストをパースし、ペイロードを可視化できる","relatedLinks":[]},{"category":"WebsiteDocument","title":"Alt Text Hall of Fame – Celebrating well-written image descriptions.","url":"https://alttexthalloffame.org/","tags":["accessibility","HTML","Image"],"content":"画像の代替テキストについてのサイト。\nなぜ必要なのかと具体的にどういうキャプションを書くのかの具体的な例などを紹介している","relatedLinks":[]}]},{"meta":{"title":"2023-09-01のJS: Nuxt 3.7、Rome → 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For the past two and a half years… | by Minko Gechev | Jan, 2025 | Angular Blog","url":"https://blog.angular.dev/angular-2025-strategy-9ca333dfc334","tags":["Angular","article"],"content":"Angularの2024年のアンケート結果の分析、2025年に取り組む点について。\n開発者体験に対するものとしてzoneless、Signal forms、Karmaを置き換えることについてなど","relatedLinks":[]},{"category":"SoftwareLibrary","title":"standard-schema/standard-schema: A standard interface for TypeScript schema validation libraries","url":"https://github.com/standard-schema/standard-schema","tags":["TypeScript","proposal"],"content":"zodなどのスキーマバリデーションライブラリの標準インターフェースを議論しているリポジトリ。\n標準的なインターフェースを決めることで、UIライブラリなどが特定のスキーマバリデーションライブラリへ依存しないようにしたいという目的","relatedLinks":[]}]},{"meta":{"title":"2025-01-23のJS: Vitest 3.0、Rspack 1.2(永続キャッシュ)、react-server","author":"azu","layout":"post","date":"2025-01-23T01:14:18.320Z","category":"JSer","tags":["React","vite","test","Native","nodejs"],"url":"https://jser.info/2025/01/23/vitest-3.0-rspack-1.2-react-server/"},"items":[{"category":"Headline","title":"Announcing Nuxt Content version 3","url":"https://content.nuxt.com/blog/v3","tags":["Nuxt","ReleaseNote"],"content":"Nuxt Content v3リリース。\nファイルベースの代わりにPostgreSQL/Cloudflare D1/LibSQLなどのデータベースを利用できるように。\nブラウザでは、Wasm SQLiteをIn-Memory DBとして利用している。\n`content.config.ts`にコレクションを定義できるように、`queryCollection` APIでコレクションを取得できるようになるなど","relatedLinks":[]},{"category":"Headline","title":"Release v8.5.0 · storybookjs/storybook","url":"https://github.com/storybookjs/storybook/releases/tag/v8.5.0","tags":["storybook","ReleaseNote"],"content":"Storybook v8.5.0リリース。\n`@storybook/addon-a11y`の改善、`@storybook/experimental-addon-test`の改善、React 19のサポート。\nReact Native Webをサポートなど","relatedLinks":[]},{"category":"Headline","title":"Chrome 132  |  Release notes  |  Chrome for Developers","url":"https://developer.chrome.com/release-notes/132","tags":["Chrome","ReleaseNote"],"content":"Chrome 132リリース。\n`<dialog>`の`toggle`イベントをサポート、CSSの`writing-mode`が`sideways-{rl,lr}`(横書きモード)をサポート。\n`Request.bytes()`/`Response.bytes()`をサポート、すべての画面をキャプチャする`getAllScreensMedia()`のサポート、Element captureのサポート。\nOrigin TrialとしてExplicit compile hints with magic comments、`Document-Isolation-Policy`のサポートなど","relatedLinks":[{"title":"New in Chrome 132  |  Blog  |  Chrome for Developers","url":"https://developer.chrome.com/blog/new-in-chrome-132?hl=en"}]},{"category":"Headline","title":"Vitest 3.0 is out! | Vitest","url":"https://vitest.dev/blog/vitest-3","tags":["vite","test","library","ReleaseNote"],"content":"Vitest 3.0リリース。\nVite 6をサポート、`spy.mockReset`の変更、CLIのrepoterの書き直し、ワークスペースの設定を`vitest.config`ファイルに書けるように、`vitest/node`を公開。\n`describe.for` APIの追加、`toBeOneOf`/`toSatisfy`/`toHaveBeenCalledAfter`/`toHaveBeenCalledOnceWith`の追加など","relatedLinks":[{"title":"Release v3.0.0 · vitest-dev/vitest","url":"https://github.com/vitest-dev/vitest/releases/tag/v3.0.0"}]},{"category":"Headline","title":"Changelog: Cypress App | Cypress Documentation","url":"https://docs.cypress.io/app/references/changelog#14-0-0","tags":["JavaScript","browser","test","ReleaseNote"],"content":"Cypress 14.0.0リリース。\nNode.js 16のサポート終了、`document.domain`をデフォルトで設定しないように変更、サブドメイン間を移動する時は`cy.origin`を利用するように変更など","relatedLinks":[]},{"category":"Headline","title":"Electron 34.0.0 | Electron","url":"https://www.electronjs.org/blog/electron-34-0","tags":["Electron","ReleaseNote"],"content":"Electron 34.0.0リリース。\nChromium 132/V8 13.2/Node 20.18.1へアップデート。`WebFrameMain.collectJavaScriptCallStack()` APIの追加、Brotli/ZStandardの共有辞書を管理するためのAPIを追加など","relatedLinks":[]},{"category":"Headline","title":"Announcing Rspack 1.2 - 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Fixes","url":"https://www.firefox.com/en-US/firefox/147.0/releasenotes/","tags":["Firefox","ReleaseNote"],"content":"Firefox 147リリース。\nApple SiliconデバイスでのWebGPUの有効化。\nAccept-Languageヘッダーの`q`値を他のブラウザに合わせて調整。\nNavigation API、CSS anchor positioningのサポート、CSS Module Scriptsのサポート。\n`CompressionStream`/`DecompressionStream`がBrotliをサポート、Servie Workerで`type: module`をサポートなど","relatedLinks":[{"title":"Firefox 147 release notes for developers (Stable) - Mozilla | MDN","url":"https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/147"}]},{"category":"Headline","title":"Prettier 3.8: Support for Angular v21.1 · Prettier","url":"https://prettier.io/blog/2026/01/14/3.8.0","tags":["JavaScript","Tools","ReleaseNote"],"content":"Prettier 3.8リリース。\nAngular v21.1の新構文である`@switch`ブロック内の連続した`@case`ステートメント、配列/オブジェクト/関数呼び出しでのSpread要素をサポート。\nMarkdownファイル内のAngularコードブロック（angular-ts、angular-html）のフォーマットに対応など","relatedLinks":[]},{"category":"Headline","title":"Electron 40.0.0 | Electron","url":"https://www.electronjs.org/blog/electron-40-0","tags":["Electron","ReleaseNote"],"content":"Electron 40.0.0リリース。\nChromium 144/Node.js 24.11/V8 14.4へアップグレード。\nレンダラープロセスからのクリップボードAPIの直接アクセスが非推奨に、macOSのdSYMファイルがzip形式からtar.xz形式に変更。\n`app.isHardwareAccelerationEnabled()`メソッドの追加、オフスクリーン描画でのHDRカラースペースの対応など。","relatedLinks":[]},{"category":"Headline","title":"Astro is joining Cloudflare","url":"https://blog.cloudflare.com/astro-joins-cloudflare/","tags":["astro","cloudflare","news"],"content":"Astro Technology CompanyがCloudflareに買収された。\nAstroはオープンソースでMITライセンスは維持される。\nまたAstro 6では、Vite Environmentsベースの開発サーバーによりローカル開発時にCloudflare Workersランタイム（workerd）で実行できるようになる予定。","relatedLinks":[]},{"category":"Article","title":"Node.js — Mitigating Denial-of-Service Vulnerability from Unrecoverable Stack Space Exhaustion for React, Next.js, and APM 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Vercel","url":"https://vercel.com/blog/introducing-react-best-practices","tags":["AI","article","React","JavaScript"],"content":"Vercelが10年以上のReact・Next.js最適化の知見をまとめた`react-best-practices`というリポジトリを公開した。\nAIエージェントやLLM向けに最適化されたルール集で、40以上のルールが8カテゴリに分類されている。\nウォーターフォールの排除、バンドルサイズ削減、再レンダリング最適化などのパターンを、CRITICALからLOWまでの優先度付きでまとめている。","relatedLinks":[{"title":"agent-skills/skills/react-best-practices at main · vercel-labs/agent-skills","url":"https://github.com/vercel-labs/agent-skills/tree/main/skills/react-best-practices"}]},{"category":"WebsiteDocument","title":"VibiumDev/vibium: Browser automation for AI agents and humans","url":"https://github.com/VibiumDev/vibium","tags":["Selenium","MCP","Tools"],"content":"Selenium BiDiベースのブラウザ操作をするMCPサーバ","relatedLinks":[]},{"category":"WebsiteDocument","title":"coder/ghostty-web: Ghostty for the web with xterm.js API compatibility","url":"https://github.com/coder/ghostty-web?tab=readme-ov-file","tags":["WebAssembly","library","terminal","JavaScript"],"content":"ブラウザ上で動作するターミナルエミュレータライブラリ。\n`libghostty`をWasmにコンパイルして利用し、xterm.js互換のAPIを提供する。\nxterm.jsと比較して複雑な文字体系の正しいグラフェム処理、XTPUSHSGR/XTPOPSGRのサポートなどがある。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"MotiaDev/motia: Multi-Language Backend Framework that unifies APIs, background jobs, queues, workflows, streams, and AI agents with a single core primitive with built-in observability and state management.","url":"https://github.com/MotiaDev/motia","tags":["nodejs","library"],"content":"Stepという単位で処理を書いていくバックエンドフレームワーク。\nStepは色々なJavaScriptやPythonなど色々な言語で書くことができる","relatedLinks":[]},{"category":"SoftwareLibrary","title":"vercel-labs/agent-browser: Browser automation CLI for AI agents","url":"https://github.com/vercel-labs/agent-browser","tags":["browser","console","Tools","AI"],"content":"AIエージェント向けのヘッドレスブラウザ自動化CLI。\nRustのCLIとNode.jsデーモン（Playwrightを利用）で構成され、クライアント・デーモン構造で動作する。\nアクセシビリティツリーからAI向けに最適化されたスナップショットを取得する機能や、ARIAロールやラベルでの要素検出、WebSocketでのブラウザビューポートのストリーミングなどを提供する。","relatedLinks":[]}]},{"meta":{"title":"2026-01-26のJS: jQuery 4.0.0、Rolldown 1.0 RC、Stylelint 17","author":"azu","layout":"post","date":"2026-01-26T09:51:49.217Z","category":"JSer","tags":["TypeScript","book","UI","WebAssembly","Vue"],"url":"https://jser.info/2026/01/26/jquery-4.0.0-rolldown-1.0-rc-styelelint-17/"},"items":[{"category":"Headline","title":"jasmine/release\\_notes/6.0.0.md at main · jasmine/jasmine","url":"https://github.com/jasmine/jasmine/blob/main/release_notes/6.0.0.md","tags":["JavaScript","testing","library","ReleaseNote","jasmine"],"content":"Jasmine 6.0.0リリース。\nNode.js 18のサポート終了、jasmine名前空間からprivate APIを削除など。\nHtmlReporterV2の追加。進捗バー、リアルタイム失敗表示、パフォーマンスタブなどを持つ新しいHTMLレポーター。\n`jasmine.pp()`としてpretty printer APIを公開、実験的な`safariYieldStrategy: \"time\"`オプションの追加など。","relatedLinks":[]},{"category":"Headline","title":"Experimental build mode for Hono and Express projects - Vercel","url":"https://vercel.com/changelog/experimental-build-mode-hono-express","tags":["vercel","Hono","express","TypeScript","news"],"content":"VercelがHonoとExpressプロジェクト向けの実験的なビルドモードを追加。\n`VERCEL_EXPERIMENTAL_BACKENDS=1`を環境変数に設定することで有効化でき、ログのルート別フィルターに対応。\nまた、相対インポート時のファイル拡張子が不要になり、TypeScriptのパスエイリアスに対応、ESMとCommonJSの相互運用性の向上などの改善が含まれる。","relatedLinks":[]},{"category":"Headline","title":"jQuery 4.0.0 | Official jQuery Blog","url":"https://blog.jquery.com/2026/01/17/jquery-4-0-0/","tags":["jQuery","ReleaseNote","library"],"content":"jQuery 4.0.0リリース。\njQueryの20周年の記念リリース。\nIE10以下のサポートを終了し、Edge Legacy/古いiOS/Android Browserなどのサポートを終了。\n`jQuery.isArray`/`jQuery.trim`/`jQuery.parseJSON`などの非推奨APIを削除。\n`jQuery.prototype`から`push`/`sort`/`splice`メソッドを削除。\nfocusイベントの順序をW3C仕様に合わせるように変更。\nソースコードをAMDからESモジュールに移行。\nTrusted TypesとCSPのサポートを改善。\nslim版からDeferredsとCallbacksを削除し、ファイルサイズを削減。\nIE11のサポートはjQuery 5.0で終了予定。","relatedLinks":[]},{"category":"Headline","title":"Node.js — Node.js 25.4.0 (Current)","url":"https://nodejs.org/en/blog/release/v25.4.0","tags":["nodejs","ReleaseNote"],"content":"Node v25.4.0リリース。\n`require(esm)`/モジュールコンパイルキャッシュ/`v8.queryObjects()`/`--heapsnapshot-near-heap-limit`がStableに変更。\n`http.setGlobalProxyFromEnv()`でグローバルプロキシを環境変数から設定する機能を追加。\n`util.convertProcessSignalToExitCode()`、subpath importsで`#/`から始まるパスの利用をサポート。\nnpm 11.7.0/SQLite 3.51.1などの依存関係のアップデートなど","relatedLinks":[]},{"category":"Headline","title":"Nuxt 4.3 · Nuxt Blog","url":"https://nuxt.com/blog/v4-3","tags":["Vue","library","ReleaseNote"],"content":"Nuxt v4.3リリース。\nNuxt 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It supports stream and file inputs for handling large datasets efficiently, is battle-tested, has zero dependencies, and offer a top-tier performance.","url":"https://github.com/DoneDeal0/superdiff","tags":["JavaScript","library"],"content":"配列やオブジェクトの差分を検出するJavaScriptライブラリ。\nネストされたオブジェクトの比較、配列要素の追加・削除・移動の検出、ストリーミング処理による大規模データの比較にも対応している。\nデフォルトでWebWorker/worker_threadsを使い、メインスレッド外に処理を移せる仕組みなっている","relatedLinks":[]},{"category":"SoftwareLibrary","title":"anomalyco/opentui: OpenTUI is a library for building terminal user interfaces (TUIs)","url":"https://github.com/anomalyco/opentui/tree/main","tags":["terminal","TypeScript","Zig","React","UI","library"],"content":"ReactやSolidJSを使ってターミナルUI（TUI）を構築するためのTypeScriptライブラリ。\nUIやイベントをTypeScriptのレイヤーで管理し、`Bun.FFI`でZigを使ったレンダリングを行う。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"dy/jz: Minimal JS subset compiling to WASM","url":"https://github.com/dy/jz","tags":["JavaScript","WebAssembly","library"],"content":"JavaScriptのサブセット言語をWebAssemblyにコンパイルするコンパイラ。\nES2015+の構文のみをサポートし、パースしたサブセット言語からWATを出力し、WATをWasmへとコンパイルしている","relatedLinks":[{"title":"dy/subscript: Expression parser / evaluator.","url":"https://github.com/dy/subscript"},{"title":"dy/watr: wat to wasm compiler","url":"https://github.com/dy/watr"}]},{"category":"SoftwareLibrary","title":"DavidHDev/vue-bits: An open source collection of animated, interactive &amp; fully customizable Vue components for building stunning, memorable websites.","url":"https://github.com/DavidHDev/vue-bits","tags":["Vue","library","UI","animation"],"content":"Vueアプリケーション向けのアニメーション・インタラクティブなUIコンポーネントライブラリ。\nReact BitsをVueにポートしたライブラリ","relatedLinks":[{"title":"DavidHDev/react-bits: An open source collection of animated, interactive ","url":"https://github.com/DavidHDev/react-bits"}]},{"category":"Book","title":"gibbok/typescript-book: The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.","url":"https://github.com/gibbok/typescript-book","tags":["TypeScript","book"],"content":"TypeScriptの入門書。\nTypeScriptのインストールから使い方、型システム、Generics、Box Typeなどについて。\nTypeScriptの機能を幅広くカバーしている。","relatedLinks":[]},{"category":"Book","title":"Server-Side WebAssembly - Danilo Chiarlone","url":"https://www.manning.com/books/server-side-webassembly","tags":["WebAssembly","book","server"],"content":"サーバサイドでのWebAssemblyについての書籍。\n著者は`wasi:http`とかのProposalを書いてる人","relatedLinks":[]},{"category":"Book","title":"Vanilla Web - Maximiliano Firtman","url":"https://www.manning.com/books/vanilla-web?a_aid=firtman&a_bid=14dcfdda&chan=mm_website","tags":["JavaScript","book","web"],"content":"フレームワークを使わずにバニラなWeb標準技術だけでWebアプリを構築する方法についての書籍。\n再利用可能なコンポーネント、ルーティングシステム、PWAなどをバニラJavaScript/HTML/CSSで行う方法を解説している書籍","relatedLinks":[{"title":"Vanilla Web Book 🆕 － firt.dev","url":"https://firt.dev/notes/vanilla-web-meap/"}]}]},{"meta":{"title":"2026-02-04のJS: Yarn 6 Preview、WebAssembly 10年、State of JavaScript 2025の結果公開","author":"azu","layout":"post","date":"2026-02-04T13:19:34.984Z","category":"JSer","tags":["Tools","Bun","security","playwright","WebAssembly"],"url":"https://jser.info/2026/02/04/yarn-6-preview-webassembly-10-state-of-javascript-2025/"},"items":[{"category":"Headline","title":"Release v8.0.0 · FullHuman/purgecss","url":"https://github.com/FullHuman/purgecss/releases/tag/v8.0.0","tags":["CSS","Tools","ReleaseNote"],"content":"PurgeCSS v8.0.0リリース。\nPostCSSプラグインのインポート方法がdefault importに変更。\nCLIに`--preserve-paths`オプションの追加、CSS変数で参照されるアニメーションの保持の改善など","relatedLinks":[]},{"category":"Headline","title":"Bun v1.3.7 | Bun Blog","url":"https://bun.com/blog/bun-v1.3.7","tags":["Bun","ReleaseNote"],"content":"Bun v1.3.7リリース。\nJSON5パーサーの`Bun.JSON5`、JSON Linesを扱う`Bun.JSONL`、ANSIテキストのラップを行う`Bun.wrapAnsi()`の追加。\nMarkdown形式でHeapやCPUのプロファイルを出力する`--heap-prof-md`/`--cpu-prof-md`フラグの追加。\n`Buffer.from(array)`/async-await/`array.flat()`などのパフォーマンス改善、HTTP/2の互換性の修正など。","relatedLinks":[]},{"category":"Headline","title":"Release v4.11.7 · honojs/hono","url":"https://github.com/honojs/hono/releases/tag/v4.11.7","tags":["Hono","ReleaseNote","security"],"content":"Hono v4.11.7リリース。\n次の問題のセキュリティ修正を含むリリース\n\n- IP制限MiddlewareのIPv4アドレス検証バイパス\n- Cache Middlewareでprivateやno-storeなレスポンスがキャッシュされる問題\n- Serve Staticミドルウェア(Cloudflare Workers adapter)での内部アセットへのアクセス問題\n- hono/jsxのErrorBoundaryでのXSS","relatedLinks":[]},{"category":"Headline","title":"Release v0.0.58 · microsoft/playwright-mcp","url":"https://github.com/microsoft/playwright-mcp/releases/tag/v0.0.58","tags":["playwright","MCP","Tools","ReleaseNote"],"content":"playwright-mcp v0.0.58リリース。\n`playwright-cli`コマンドが追加され、コマンドでPlaywrightを操作できるように。","relatedLinks":[]},{"category":"Headline","title":"Node.js — 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Fail at 3.8GB, resume from 3.8GB.","url":"https://github.com/hamzaydia/verifyfetch","tags":["JavaScript","library","Fetch","WebAssembly"],"content":"ブラウザでの大容量ファイルのダウンロードにおいて、レジューム対応と整合性の検証を行うライブラリ。\nWebAssemblyによるストリーミングハッシュ計算、HTTP Rangeリクエストによるレジュームダウンロード、IndexedDBへのChunk保存をサポートする。\n事前にファイルを一定のchunkで分けたハッシュを生成しておき、Chunk毎の検証ができる。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"bikeshaving/shovel: Run Service Workers anywhere","url":"https://github.com/bikeshaving/shovel","tags":["ServiceWorker","server","library","nodejs","Bun","cloudflare"],"content":"Service Worker APIやWeb標準APIのインターフェースをベースにしたサーバアプリケーションを書けるメタフレームワーク。\nNode.js/Bun/Cloudflare Workersなどで動作する。\nService Workerの`install`/`activate`/`fetch`イベントをベースにしたサーバライフサイクルを持つ。\nFetch API、Cache API、FileSystem API、CookieStore API、URLPatternなどのWeb標準APIをベースとしている。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"ubugeeei/vize: Unofficial High-Performance Vue.js Toolchain in Rust","url":"https://github.com/ubugeeei/vize","tags":["Vue","Rust","Tools","compiler"],"content":"Rustで書かれたVue.jsツールチェイン。\nVue SFCのコンパイラ、Linter、Formatter、型チェッカー、LSPなどを含む。\nCLI/Browser(WebAssembly)/Vite Pluginとして利用できる","relatedLinks":[]}]},{"meta":{"title":"2026-02-26のJS: Electrobun v1、Deno 2.7、Oxfmt Beta","author":"azu","layout":"post","date":"2026-02-26T14:48:54.395Z","category":"JSer","tags":["security","Tools","nodejs","React","AI"],"url":"https://jser.info/2026/02/26/electrobun-v1-deno-2.7-oxfmt-beta/"},"items":[{"category":"Headline","title":"Electrobun v1 - Blackboard Blog","url":"https://blackboard.sh/blog/electrobun-v1/","tags":["TypeScript","Bun","Zig","Electron","library","ReleaseNote"],"content":"TypeScriptでクロスプラットフォームのデスクトップアプリを作成できるフレームワーク。\nランタイムにBunを使い、ZigやC/C++で実装されている。\nウィンドウ管理/メニュー/グローバルショートカット/クリップボード/ダイアログなどのネイティブ機能をサポートしている。\n差分パッチによる自動アップデート機能、プロセス分離されたwebviewを`<electrobun-webview>`要素として扱える仕組みなどを持つ。\nmacOS/Windows/Ubuntuに対応している。","relatedLinks":[{"title":"blackboardsh/electrobun: Build ultra fast, tiny, and cross-platform desktop apps with Typescript.","url":"https://github.com/blackboardsh/electrobun"},{"title":"Electrobun Documentation - Build ultra fast, tiny, cross-platform desktop apps","url":"https://blackboard.sh/electrobun/docs/"}]},{"category":"Headline","title":"Release v4.12.0 · honojs/hono","url":"https://github.com/honojs/hono/releases/tag/v4.12.0","tags":["Hono","ReleaseNote"],"content":"Hono v4.12.0リリース。\nHono Clientに`$path()`メソッドの追加、SSG向けのredirect pluginの追加、Basic Authの`onAuthSuccess`コールバックの追加。\n`getConnInfo`がAWS Lambda/Cloudflare Pages/Netlifyに対応。\nTrieRouterのパフォーマンスの改善、`c.json()`のFast Pathの追加など","relatedLinks":[]},{"category":"Headline","title":"Oxfmt Beta | The JavaScript Oxidation Compiler","url":"https://oxc.rs/blog/2026-02-24-oxfmt-beta","tags":["JavaScript","Rust","Tools","ReleaseNote"],"content":"OxcのJavaScript FormatterであるOxfmtのβリリース。\nPrettierのJavaScript/TypeScriptの互換テストを100%パスするようになった。\nTailwind CSSのクラスソート、importのソート、`package.json`のフィールドソートの組み込みサポートなど","relatedLinks":[{"title":"Oxfmt | The JavaScript Oxidation Compiler","url":"https://oxc.rs/docs/guide/usage/formatter"}]},{"category":"Headline","title":"Node.js — Node.js 25.7.0 (Current)","url":"https://nodejs.org/en/blog/release/v25.7.0","tags":["nodejs","ReleaseNote"],"content":"Node v25.7.0リリース。\n`node:sqlite`モジュールがRelease Candidate(RC)に昇格。\nSingle Executable Applications(SEA)でESMエントリーポイントをサポート、\nHTTP/2でHTTP/1へのフォールバック設定として`http1Options`を追加。\n`Duplex.toWeb()`のtypeオプションを`readableType`にリネーム、`node:test`でSIGINT時に中断されたテストを表示するように。\n`fs.stat`に`throwIfNoEntry`オプションの追加、`zlib`でBrotli圧縮辞書のサポートなど。","relatedLinks":[]},{"category":"Headline","title":"Node.js — Node.js 24.14.0 (LTS)","url":"https://nodejs.org/en/blog/release/v24.14.0","tags":["nodejs","ReleaseNote"],"content":"Node v24.14.0リリース。\n`async_hooks`の`createHook()`に`trackPromises`オプションの追加、`fs.watch()`に`ignore`オプションの追加。\n`http.setGlobalProxyFromEnv()`の追加、Subpath Importsで`#/`から始まるパスをサポート。\nSQLiteのdefensive modeをデフォルトで有効化、Embedder APIでESMの初期サポートを追加。\n`stream/consumers`に`bytes()`メソッドの追加、`node:test`の`run()`に`env`オプションの追加や`it.expectFailure`のサポートなど。","relatedLinks":[]},{"category":"Headline","title":"Deno 2.7: Temporal API, Windows ARM, and npm overrides | Deno","url":"https://deno.com/blog/v2.7","tags":["deno","ReleaseNote"],"content":"Deno v2.7リリース。\nTemporal APIがstableに変更、Windows ARM(aarch64)のサポート。\n`package.json`の`overrides`フィールドのサポート、`deno install --compile`の追加。\n`CompressionStream`/`DecompressionStream`がBrotliをサポート、Web Crypto APIでSHA3アルゴリズムのサポート。\n`deno task`でglobstar(`**`)と`pipefail`のサポート、`deno compile --self-extracting`オプションの追加。\nWeb WorkerのDevToolsデバッグに対応、OpenTelemetryでDeno Cronの自動計装に対応。\nNode.js互換性の改善として`node:worker_threads`/`node:child_process`/`node:zlib`(Zstd)などの修正、V8 14.5へのアップデートなど。","relatedLinks":[]},{"category":"Headline","title":"npm bulk trusted publishing config and script security now generally available - GitHub Changelog","url":"https://github.blog/changelog/2026-02-18-npm-bulk-trusted-publishing-config-and-script-security-now-generally-available/","tags":["npm","security"],"content":"npm CLI v11.10.0リリース。\n`min-release-age`でパッケージの公開から一定日経過したものだけをインストールできるように。\n`npm trust`コマンドで複数パッケージのOIDC Trusted Publishingの設定を一括で行えるように。\n`--allow-git`フラグの追加により、git依存関係のインストール時のセキュリティ制御が可能に。`.npmrc`でgit実行パスを上書きすることで`--ignore-scripts`使用時でもコード実行が可能だった問題に対処している。\n`--allow-git=none`の利用が推奨されており、npm CLI v12でデフォルトになる予定。","relatedLinks":[{"title":"Release v11.11.0 · npm/cli","url":"https://github.com/npm/cli/releases/tag/v11.11.0"}]},{"category":"Headline","title":"The React Foundation: A New Home for React Hosted by the Linux Foundation – React","url":"https://react.dev/blog/2026/02/24/the-react-foundation","tags":["React","OpenSource","community","organization","news"],"content":"React FoundationがLinux Foundation傘下に正式に設立された。\nReact、React Native、JSXなどのプロジェクトがMetaからReact Foundationへ移管される。\nプラチナメンバーとしてAmazon、Callstack、Expo、Huawei、Meta、Microsoft、Software Mansion、Vercelが参加。\n技術的なガバナンスはFoundation本体から独立して維持され、貢献者やメンテナーが技術的な方向性を決定する。\n今後数カ月でリポジトリやインフラの移管が進められる予定。","relatedLinks":[]},{"category":"Headline","title":"Release styled-components@6.3.7 · styled-components/styled-components","url":"https://github.com/styled-components/styled-components/releases/tag/styled-components%406.3.7","tags":["CSS","React","library","ReleaseNote"],"content":"styled-components v6.3.7リリース。\n`createGlobalStyle`がReact StrictModeやRSC(React Server Components)で正しく動作しない問題の修正。\npackage.jsonに`exports`フィールドを追加しESMの対応を改善など","relatedLinks":[]},{"category":"Article","title":"Clinejection — Compromising Cline&#039;s Production Releases just by Prompting an Issue Triager | Adnan Khan - 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For humans and agents.","url":"https://github.com/vercel-labs/portless","tags":["Tools","server","nodejs","debug"],"content":"ポート番号の代わりに`myapp.localhost`のような名前付き`.localhost` URLを使えるようにする開発用プロキシツール。\n`portless proxy start`でデーモンを起動し、`portless myapp next dev`のように開発サーバーを起動する。\n`http://myapp.localhost:1355`のようなURLでアクセスできる。\nHTTP/2やHTTPSの証明書の自動生成に対応し、Next.js/Express/Nuxt/Vite/Astroなどのフレームワークで利用できる。","relatedLinks":[]}]},{"meta":{"title":"2026-03-12のJS: TypeScript 6.0 RC、Solid v2.0.0 Beta、Node.jsリリーススケジュールの変更","author":"azu","layout":"post","date":"2026-03-12T11:45:51.325Z","category":"JSer","tags":["npm","nodejs","TypeScript","React","Tools"],"url":"https://jser.info/2026/03/12/typescript-6.0-rc-solid-v2.0.0-beta-node.js/"},"items":[{"category":"Headline","title":"Release v6.3.0 · actions/setup-node","url":"https://github.com/actions/setup-node/releases/tag/v6.3.0","tags":["GitHub","nodejs","ReleaseNote"],"content":"setup-node 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Tags機能の追加。\n`test.extend`での型推論の改善、`aroundEach`/`aroundAll`フックの追加。\n`vi.defineHelper()`でスタックトレースからヘルパー関数の内部を除外できるように。\n`--detect-async-leaks`フラグで非同期リソースのリーク検出をサポート。\n`mockThrow()`/`mockThrowOnce()`の追加、Chai形式のmockアサーションのサポート。\nGitHub Actionsレポーターがジョブサマリーを自動生成するように、AIエージェント向けのAgentレポーターの追加など","relatedLinks":[]},{"category":"Headline","title":"Announcing Vite+ Alpha | VoidZero","url":"https://voidzero.dev/posts/announcing-vite-plus-alpha","tags":["vite","Rust","CLI","Tools","ReleaseNote"],"content":"Vite+ Alphaリリース。\nVite、Vitest、Rolldown、Oxlint、Oxfmtなどを統合したCLIツール。\n`vp dev`/`vp build`/`vp test`/`vp check`などのコマンドで、開発サーバ、ビルド、テスト、Lint、フォーマットを1つのツールで実行できる。\n`vp env`でのNode.jsバージョン管理、`vp run`でのmonorepoタスク実行とキャッシュ機能も提供する。\n当初は商用版として検討されていたが、MITライセンスでオープンソースとして公開された。","relatedLinks":[{"title":"voidzero-dev/vite-plus: Vite+ is the unified toolchain and entry point for web development. It manages your runtime, package manager, and frontend toolchain in one place.","url":"https://github.com/voidzero-dev/vite-plus/tree/main"}]},{"category":"Headline","title":"Nuxt 4.4 · Nuxt Blog","url":"https://nuxt.com/blog/v4-4","tags":["Vue","library","ReleaseNote"],"content":"Nuxt v4.4リリース。\nVue Router v5へのアップグレード、`createUseFetch`/`createUseAsyncData`を追加。\nレイアウトに型付きPropsを渡せるように、`useAnnouncer` composableと`<NuxtAnnouncer>`コンポーネントによるアクセシビリティの改善。\nルート生成にtrieデータ構造ベースの`unrouting`ライブラリを採用しパフォーマンスを改善。\n`useCookie`の`refresh`オプションの追加、`nuxt build --profile`でのビルドプロファイリングのサポートなど。","relatedLinks":[]},{"category":"Headline","title":"ECMAScript proposal updates @ 2026-03 | ECMAScript Daily","url":"https://ecmascript-daily.github.io/ecmascript/2026/03/16/ecmascript-proposal-update","tags":["ECMAScript","proposal","news","TC39"],"content":"TC39 113th meetingでのECMAScript Proposalのステージの変更まとめ。\nTemporalがStage 4となりES2026に含まれる。\nImport TextがStage 3へ、Error Stack AccessorがStage 2.7へ。\nCurtailing the Power of ThenablesがStage 2へ。","relatedLinks":[]},{"category":"Headline","title":"Nova 1.0 · Nova","url":"https://trynova.dev/blog/nova-1.0","tags":["Rust","JavaScript","ReleaseNote"],"content":"Nova 1.0リリース。\nRustで書かれた軽量な組み込み向けデータ指向アーキテクチャなJavaScriptエンジン。\nECMAScript仕様の完全な準拠にはまだ課題があり、RegExpのUnicodeサポートやPromiseのサブクラス化などに制限がある。\nセマンティックバージョニングを採用しアップデートを行なっていく予定。","relatedLinks":[]},{"category":"Headline","title":"Electron 41.0 | Electron","url":"https://www.electronjs.org/blog/electron-41-0","tags":["Electron","ReleaseNote"],"content":"Electron 41.0リリース。\nChromium 146、Node.js v24.14.0、V8 14.6へアップグレード。\nPDFの描画がout-of-process iframeを使った同一WebContents内での描画に変更。\nCookieの`changed`イベントに`inserted`などの変更理由を追加。\nASARの整合性チェックでダイジェストのサポート、Waylandでのフレームレスウィンドウのドロップシャドウとリサイズ境界の改善。\nMSIX auto updaterの互換性を追加、macOS向け`--disable-geolocation`フラグの追加。\nWebSocket認証を`login`イベントで処理できるように、`webPreferences.focusOnNavigation`オプションの追加など。","relatedLinks":[]},{"category":"Headline","title":"Bun v1.3.11 | Bun Blog","url":"https://bun.com/blog/bun-v1.3.11","tags":["Bun","ReleaseNote"],"content":"Bun v1.3.11リリース。\nOSのスケジューラを使ったcronジョブを登録する`Bun.cron` APIの追加、ANSIエスケープコードを考慮した文字列スライスを行う`Bun.sliceAnsi`の追加。\n`bun test`に`--path-ignore-patterns`フラグの追加など","relatedLinks":[]},{"category":"Headline","title":"Release pnpm 11 Beta 0 · pnpm/pnpm","url":"https://github.com/pnpm/pnpm/releases/tag/v11.0.0-beta.0","tags":["pnpm","ReleaseNote"],"content":"pnpm v11.0.0-beta.0リリース。\nPure ESMパッケージへの移行、Node.js 18-21のサポートを終了。\n`package.json`の`pnpm`フィールドの設定を`pnpm-workspace.yaml`へ移行、`pnpm server`コマンドの削除、`pnpm link`コマンドの変更など多くの破壊的変更を含む。\nパッケージメタデータの保存にSQLiteを使用するように変更、ストアバージョンの更新。\n`pnpm clean`コマンドで`node_modules`の削除、`pnpm audit --fix=update`でlockfileの更新による脆弱性の修正に対応。\n`config.yaml`のサポート、PnpmfileでESMフォーマット(`.pnpmfile.mjs`)をサポートなど。","relatedLinks":[]},{"category":"Headline","title":"Next.js 16.2 | Next.js","url":"https://nextjs.org/blog/next-16-2","tags":["Next.js","React","ReleaseNote"],"content":"Next.js 16.2リリース。\n`next dev`の起動速度の改善、Server Componentsペイロードのデシリアライズの改善によるレンダリングの高速化。\n`next/link`に`transitionTypes`を追加、Server Functionの実行ログをターミナルに表示する機能の追加、ブラウザログをターミナルに表示する機能をデフォルトで有効化。\nHydrationエラーのデバッグ表示の改善、`next start`で`--inspect`フラグのサポート。\nAdapters APIがStableに変更。\n`create-next-app`がデフォルトで`AGENTS.md`を生成するように変更、`node_modules/next/dist/docs/`にドキュメントをバンドルするように変更など","relatedLinks":[{"title":"Next.js 16.2: AI Improvements | Next.js","url":"https://nextjs.org/blog/next-16-2-ai"},{"title":"Turbopack: What","url":"https://nextjs.org/blog/next-16-2-turbopack"}]},{"category":"Article","title":"TC39 Advances Temporal to Stage 4 Alongside Several ECMAScri...","url":"https://socket.dev/blog/tc39-advances-temporal-to-stage-4?utm_medium=feed","tags":["TC39","ECMAScript","proposal","article"],"content":"TC39 2026年3月ミーティングの結果について。\nTemporalがStage 4となりES2026に含まれることが決定した。","relatedLinks":[]},{"category":"Article","title":"External import maps, today! 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Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local.","url":"https://github.com/sam247/openredaction","tags":["JavaScript","TypeScript","library","privacy","RegExp"],"content":"JavaScript/TypeScript向けのPII(個人識別情報)の検出とマスキングを行うライブラリ。\n正規表現パターンを使い、メールアドレス、電話番号、クレジットカード番号、政府発行IDなど50カ国以上のPIIパターンをサポートしている。","relatedLinks":[]}]},{"meta":{"title":"2026-04-06のJS: TypeScript 6.0、ES2026 RC、axiosサプライチェーン攻撃","author":"azu","layout":"post","date":"2026-04-06T01:32:51.276Z","category":"JSer","tags":["TypeScript","nodejs","security","Tools","React"],"url":"https://jser.info/2026/04/06/typescript-6.0-es2026-rc-axios/"},"items":[{"category":"Headline","title":"Announcing TypeScript 6.0 - TypeScript","url":"https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/","tags":["TypeScript","ReleaseNote"],"content":"TypeScript 6.0リリース。\n現在のJavaScriptコードベースによる最後のリリースで、Goで書き直されたTypeScript 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sindresorhus/got","url":"https://github.com/sindresorhus/got/releases/tag/v15.0.0","tags":["nodejs","HTTP","library","ReleaseNote"],"content":"Got v15.0.0リリース。\nNode.js 22未満のサポートを削除、\n`promise.cancel()`を削除しAbortControllerの`signal`オプションに移行、`isStream`オプションの削除。\n`responseType: 'buffer'`が`Buffer`の代わりに`Uint8Array`を返すように変更。\nネイティブのFormData APIを利用するように変更、`strictContentLength`のデフォルトを`true`に変更。\nRFC 9110に準拠し300/304レスポンスの自動リダイレクトを廃止など","relatedLinks":[]},{"category":"Headline","title":"Release 4.18.0 · lodash/lodash","url":"https://github.com/lodash/lodash/releases/tag/4.18.0","tags":["lodash","JavaScript","library","security","ReleaseNote"],"content":"lodash 4.18.0リリース。\n`_.unset`と`_.omit`のPrototype Pollutionの脆弱性を修正、`_.template`のコードインジェクションの修正。\n`lodash.unset`や`lodash.template`などの個別パッケージが古いままだったのを修正して再公開。","relatedLinks":[]},{"category":"Headline","title":"Node.js — Node.js 25.9.0 (Current)","url":"https://nodejs.org/en/blog/release/v25.9.0","tags":["nodejs","ReleaseNote"],"content":"Node.js v25.9.0リリース。\nテストランナーのモックモジュールAPIで`defaultExport`と`namedExports`オプションを`exports`オプションに統合。\n`--max-heap-size`フラグの追加、Web CryptoでTurboSHAKEとKangarooTwelveアルゴリズムのサポート。\nSEA(Single Executable Applications)でESMエントリポイントのコードキャッシュをサポート、実験的な`stream/iter`モジュールの追加。\n`AsyncLocalStorage`に`using`スコープの追加、REPLでのカスタムエラーハンドリングのサポートなど。","relatedLinks":[]},{"category":"Headline","title":"Release v5.0.0 · lerna-lite/lerna-lite","url":"https://github.com/lerna-lite/lerna-lite/releases/tag/v5.0.0","tags":["monorepo","Tools","ReleaseNote"],"content":"lerna-lite v5.0.0リリース。\nNode.js 20のサポート終了、Conventional Changelogのレガシー設定ファイル読み込みの削除、`--remove-package-fields`オプションの削除。\n内部依存を自前の実装に置き換えることでインストールサイズを削減など","relatedLinks":[]},{"category":"Article","title":"Storybook MCP for React","url":"https://storybook.js.org/blog/storybook-mcp-for-react/","tags":["storybook","MCP","React","article"],"content":"Storybook MCPサーバについて。\nAIエージェントに既存のUIコンポーネントのメタデータ(ストーリー、API、ドキュメント)を提供するMCPサーバ。\n複数のStorybookを組み合わせて使うCompositionにも対応している。\nMCP Appsに対応して、チャットのレスポンスに直接Storyを埋め込めるようになっている。","relatedLinks":[]},{"category":"Article","title":"Node.js — Security Bug Bounty Program Paused Due to Loss of Funding","url":"https://nodejs.org/en/blog/announcements/discontinuing-security-bug-bounties","tags":["nodejs","security","article"],"content":"Node.jsのセキュリティバグバウンティプログラムの一時停止について。\n2016年からHackerOneのInternet Bug Bounty(IBB)プログラムを通じて運用されていたが、IBBプログラムの終了により資金が枯渇したため一時停止となった。\n資金の80%を発見、20%を修正へ割り当てているが、AIなどによる発見の拡大によりバランスが変わった。\n脆弱性の報告自体はHackerOneを通じて引き続き受け付けるが、報告者への金銭的な報酬はなくなる。専用の資金が確保できた場合にプログラムの再開を検討する予定","relatedLinks":[]},{"category":"Article","title":"Signals, the push-pull based algorithm — Willy 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StepSecurity","url":"https://www.stepsecurity.io/blog/axios-compromised-on-npm-malicious-versions-drop-remote-access-trojan","tags":["npm","security","article"],"content":"axiosのnpmパッケージに対するサプライチェーン攻撃について。\nソーシャルエンジニアリングによりメンテナーアカウントが乗っ取られ、悪意のある`axios@1.14.1`と`axios@0.30.4`が公開された。\nこれらのバージョンには`plain-crypto-js`というマルウェアが依存関係として追加されている。\npostinstallフックを通じてmacOS/Windows/Linux向けのRemote Access Trojan(RAT)をインストールする仕組みになっていた。","relatedLinks":[{"title":"Attackers Are Hunting High-Impact Node.js Maintainers in a C...","url":"https://socket.dev/blog/attackers-hunting-high-impact-nodejs-maintainers"},{"title":"The Hidden Blast Radius of the Axios Compromise - Socket","url":"https://socket.dev/blog/hidden-blast-radius-of-the-axios-compromise"}]},{"category":"WebsiteDocument","title":"Introducing EmDash — the spiritual successor to WordPress that solves plugin 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era","url":"https://arrow-js.com/","tags":["JavaScript","TypeScript","WebAssembly","library"],"content":"ビルドステップなしで動作する軽量なUIフレームワーク。`reactive`、`html`、`component`の3つの関数で構成される。\nAI向けにWebAssemblyサンドボックス内でコンポーネントロジックを分離して実行する機能を持つ。","relatedLinks":[]},{"category":"Book","title":"React本格入門 | 技術評論社","url":"https://gihyo.jp/book/2026/978-4-297-15523-0","tags":["React","book"],"content":"2026年4月15日発売。\nReact 19をベースにした入門書。","relatedLinks":[]}]},{"meta":{"title":"2026-04-15のJS: pnpm 11 RC 0、webpack 5.106、Servo v0.1.0","author":"azu","layout":"post","date":"2026-04-15T11:20:00.406Z","category":"JSer","tags":["React","Rust","search","Next.js","security"],"url":"https://jser.info/2026/04/15/pnpm-11-rc-0-webpack-5.106-servo-v0.1.0/"},"items":[{"category":"Headline","title":"Release v1.5.0 · Pagefind/pagefind","url":"https://github.com/Pagefind/pagefind/releases/tag/v1.5.0","tags":["Rust","JavaScript","search","library","ReleaseNote"],"content":"Pagefind v1.5.0リリース。\nWeb 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High-performance JavaScript/TypeScript compiler and toolchain in pure Zig 🦎","url":"https://github.com/yuku-toolchain/yuku","tags":["Zig","JavaScript","TypeScript","compiler","Tools"],"content":"Zigで書かれたJavaScript/TypeScriptコンパイラおよびツールチェーン。\nTest262でテストされていて、Pure Zigなのでクロスコンパイルが可能となっている。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"Diffs, from Pierre","url":"https://diffs.com/","tags":["JavaScript","CSS","library","diff"],"content":"diffレンダリングとコード表示のライブラリ。\nCSS GridとShadow DOMを活用してDOMノード数を削減しレンダリングの高速化やVirtualizationに対応している。\nStack型(統合表示)とSplit型(左右並列表示)の2つのレイアウトに対応し、Shikiベースの構文ハイライト/コメント/マージコンフリクト解決UIなどの機能を持つ。","relatedLinks":[]}]},{"meta":{"title":"2026-04-29のJS: Node.js 24.15.0(LTS)、Rspack 2.0、pnpm 11","author":"azu","layout":"post","date":"2026-04-29T01:03:52.597Z","category":"JSer","tags":["Tools","React","TypeScript","nodejs","AI"],"url":"https://jser.info/2026/04/29/node.js-24.15.0lts-rspack-2.0-pnpm-11/"},"items":[{"category":"Headline","title":"v1.17.0 | React 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test`に各テストファイルを独立したグローバル環境で実行する`--isolate`フラグを追加。\nテストをworkerプロセスで並列実行する`--parallel`、CIジョブ間でテストを分割する`--shard`、gitの変更に影響されたテストのみ実行する`--changed`フラグを追加。\n`bun install`でtarball展開をストリーミング化してメモリ使用量を削減、Isolated linkerによりmonorepoのインストール速度を改善。\nSHA3-224/256/384/512のWebCryptoと`node:crypto`対応、`SubtleCrypto`でのX25519鍵導出に対応。\nWebSocketクライアントが`ws+unix://`/`wss+unix://`のUnixドメインソケット接続をサポート。\n`Bun.serve()`でRangeリクエストのレポート、zlib-ngを使いgzip圧縮のパフォーマンス改善など","relatedLinks":[]},{"category":"Headline","title":"Announcing Rspack 2.0 - Rspack","url":"https://rspack.rs/blog/announcing-2-0","tags":["rspack","ReleaseNote"],"content":"Rspack 2.0リリース。\n`@rspack/core`などのコアパッケージをPure ESMパッケージへ移行、CommonJSビルドを削除。\n`@rspack/dev-server`の依存数の削減、トップレベルの`target`オプションがLoaderやMinimizer Pluginに自動継承されるように変更。\nビルドパフォーマンスの改善、CommonJSの`require`分割代入やプロパティアクセスのTree Shakingを改善。\n`/*#__NO_SIDE_EFFECTS__*/`アノテーション、Module Federationの共有依存のExportレベルでのTree Shakingに対応。\n`import.meta`/`import 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web","url":"https://github.com/vercel-labs/wterm","tags":["WebAssembly","library","terminal","browser"],"content":"Webブラウザ向けのターミナルエミュレータライブラリ。\nコアがZigで書かれていて、WebAssembly(約12KB)にコンパイルされている。\nDOM要素としてレンダリングすることで、ネイティブなテキスト選択/コピー&ペースト/検索/アクセシビリティをサポートする。","relatedLinks":[]},{"category":"WebsiteDocument","title":"Introducing Claude Design by Anthropic Labs \\\\ Anthropic","url":"https://www.anthropic.com/news/claude-design-anthropic-labs","tags":["AI","Design","Tools"],"content":"Anthropic Labsが公開したデザインツール。\nテキストプロンプト、画像、ドキュメント（DOCX/PPTX/XLSX）、コードベース、WebキャプチャなどからWebサイトデザインやプロトタイプ、スライド資料を作成できる。\nチームのコードベースやデザインファイルからデザインシステムを元に作成できる。\nCanva、PDF、PPTX、スタンドアロンHTML形式のExportとClaude Codeに読ませてコードに変換できる。","relatedLinks":[]},{"category":"WebsiteDocument","title":"Trees, from Pierre","url":"https://trees.software/","tags":["React","library","UI","accessibility"],"content":"ファイルツリーをレンダリングするReactライブラリ。\ngit statusの表示、ドラッグ&ドロップでのファイル移動、検索フィルター、コンテキストメニューなどに対応している。\nVirtualizaにより数千ファイル規模でもレンダリングできる。\nキーボードナビゲーションやWCAG 2.1に準拠したアクセシビリティ、CSS変数によるカスタマイズができる","relatedLinks":[]},{"category":"SoftwareLibrary","title":"PerryTS/perry: A native TypeScript compiler written in Rust. Compiles TypeScript directly to executables using SWC and LLVM.","url":"https://github.com/PerryTS/perry","tags":["TypeScript","Rust","compiler","Tools"],"content":"Rustで書かれたTypeScriptのネイティブコンパイラ。\nSWCでTypeScriptをパースし、LLVMで実行ファイルへとコンパイルする。\nmacOS/Windows/Linux/iOS/Android向けのクロスコンパイルに対応し、ネイティブUIを扱うパッケージを用意している。\n著名なnpmパッケージはRust実装のものへ差し替え、他のものはV8のRuntimeを使ったfallbackで対応している。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"endevco/aube: A fast Node.js package manager","url":"https://github.com/endevco/aube","tags":["nodejs","package","Rust","Tools"],"content":"Rustで書かれたNode.js向けのパッケージマネージャー。\n`pnpm-lock.yaml`/`package-lock.json`/`npm-shrinkwrap.json`/`yarn.lock`/`bun.lock`などの既存のロックファイル形式の読み書きに対応している。\nグローバルなcontent-addressable storeによるパッケージファイルの共有、最小リリース期間やライフサイクルスクリプトの承認制御などのセキュリティ機能を持つ。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"TSRX | TypeScript Language Extension for Declarative UI","url":"https://tsrx.dev/","tags":["TypeScript","UI","compiler","React","Solid"],"content":"宣言的UIのためのTSXの拡張言語。\n構造、制御フロー、スタイルを同じファイルに共存させながら、TypeScript互換性を持つ設計。\nReact/Ripple/Solidにコンパイルできる。\nVS Code/Zed/Neovim/IntelliJ/SublimeなどのIDEサポート、LSP/Prettier/ESLintプラグインも提供する。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"rstackjs/connect-next: An actively maintained fork of Connect.","url":"https://github.com/rstackjs/connect-next","tags":["nodejs","library","TypeScript"],"content":"Node.jsのHTTP middleware framework `connect` をメンテナンスするfork。\nTypeScriptで書き直され、ESモジュールとして名前付きexportで提供される。依存関係の更新や削除などが行われている","relatedLinks":[]}]},{"meta":{"title":"2026-05-11のJS: Node.js 26.0.0、Rolldown 1.0、Jest v30.4.0","author":"azu","layout":"post","date":"2026-05-11T11:36:52.506Z","category":"JSer","tags":["nodejs","TypeScript","React","Chrome","browser"],"url":"https://jser.info/2026/05/11/node.js-26.0.0-rolldown-1.0-jest-v30.4.0/"},"items":[{"category":"Headline","title":"Release v8.0.0 · 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Developers","url":"https://developer.chrome.com/release-notes/148","tags":["Chrome","browser","ReleaseNote"],"content":"Chrome 148リリース。\nCSSの`container-name`単独でのコンテナクエリ、`@supports`の`at-rule()`サポート、`revert-rule`キーワードを追加。\n`text-decoration-skip-ink: all`、`<video>`/`<audio>`要素の`loading=\"lazy\"`属性をサポート。\nPrompt API、Web AuthenticationのImmediate UIモードのサポート。\nAndroid向けにSharedWorkerの再有効化、Web Serial APIのサポート、Resource Timingに`contentType`を追加。\nOrigin TrialとしてDeclarative CSS module scripts、HTML-in-canvas、Connection Allowlists、OpaqueRangeの追加など","relatedLinks":[{"title":"New in Chrome 148  |  Blog  |  Chrome for Developers","url":"https://developer.chrome.com/blog/new-in-chrome-148?hl=en"}]},{"category":"Headline","title":"Node.js — Node.js 26.1.0 (Current)","url":"https://nodejs.org/en/blog/release/v26.1.0","tags":["nodejs","ReleaseNote"],"content":"Node.js 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microsoft/playwright","url":"https://github.com/microsoft/playwright/releases/tag/v1.60.0","tags":["playwright","ReleaseNote"],"content":"playwright v1.60.0リリース。\n破壊的な変更として、`Locator.ariaRef()`、bindingsの`handle`オプション、`videosPath`/`videoSize`などのdeprecatedなAPIを削除。\n`tracing.startHar()`/`tracing.stopHar()`でHAR記録をサポート、外部からのドラッグ&ドロップをシミュレートする`locator.drop()`の追加。\n`expect(page).toMatchAriaSnapshot()`をPageに対して利用できるように、`boxes`オプションで境界ボックス情報を含められるように。\nテストを中断する`test.abort()`、`browser.on('context')`イベントとBrowserContextのライフサイクルイベントの追加など","relatedLinks":[]},{"category":"Headline","title":"Release pnpm 11.1 · pnpm/pnpm","url":"https://github.com/pnpm/pnpm/releases/tag/v11.1.0","tags":["pnpm","ReleaseNote"],"content":"pnpm v11.1.0リリース。\nレジストリ署名を検証する`pnpm audit signatures`コマンド、`namedRegistries`によるレジストリのプレフィックス指定(`gh:@acme/private`など)のサポート。\n`pnpm bugs`/`pnpm 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Vercel","url":"https://vercel.com/blog/introducing-eve","tags":["AI","TypeScript","library"],"content":"VercelによるAIエージェントフレームワークのEveについて。\n`instructions.md`/`agent.ts`/`tools/`などのディレクトリ構成でエージェントを定義するフレームワーク。\nDurable execution、Sandbox、Human-in-the-loop approvals、Subagents、Evalsなどを扱う","relatedLinks":[{"title":"vercel/eve: The Framework for Building Agents","url":"https://github.com/vercel/eve"}]},{"category":"WebsiteDocument","title":"Rust Roadmap · Issue #11633 · pnpm/pnpm","url":"https://github.com/pnpm/pnpm/issues/11633","tags":["pnpm","Rust","issue"],"content":"pnpmのRust実装であるPacquetのロードマップIssue。\nresolveを必要としない`pacquet install --frozen-lockfile`から対応をしてから、resolveの対応を進める。\nまた`pnpm`とは`install-backend=pacquet`の設定で統合していく予定。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"nubjs/nub: The all-in-one Node.js toolkit","url":"https://github.com/nubjs/nub","tags":["nodejs","Rust","Tools"],"content":"Node.js向けのRust製ツールキット。\nTypeScriptファイルや`package.json`のスクリプト実行、`nub install`で依存関係のインストールやパッケージ管理、`nub node`でNode.jsのバージョン管理ができる。\nRuntimeとしてPolyfillなどを含めたNode.jsを利用し、内部的にはRustで書かれたパッケージマネージャであるaubeとOXCを利用している。","relatedLinks":[{"title":"Nub — an all-in-one toolkit for Node.js","url":"https://nubjs.com/"}]}]},{"meta":{"title":"2026-07-05のJS: Deno 2.9、Vite 8.1、ES2026","author":"azu","layout":"post","date":"2026-07-05T03:58:38.215Z","category":"JSer","tags":["Tools","pnpm","Rust","React","TypeScript"],"url":"https://jser.info/2026/07/05/deno-2.9-vite-8.1-es2026/"},"items":[{"category":"Headline","title":"Node.js — Node.js 24.18.0 (LTS)","url":"https://nodejs.org/en/blog/release/v24.18.0","tags":["nodejs","ReleaseNote"],"content":"Node.js v24.18.0 (LTS)リリース。\n`Buffer.poolSize`のデフォルト値を64 KiBに変更、Web CryptoにTurboSHAKE/KangarooTwelveを追加。\n`http.writeInformation()`の追加、`crypto.diffieHellman()`で鍵データを受け取れるように変更など","relatedLinks":[]},{"category":"Headline","title":"pnpm 11.9 | pnpm","url":"https://pnpm.io/blog/releases/11.9","tags":["pnpm","ReleaseNote"],"content":"pnpm 11.9リリース。\nregistryがchecksumを提供しないtarballの`integrity`を計算してlockfileに記録するように変更。\n`pnpm sbom --exclude-peers`の追加、`pnpm audit --fix`の`minimumReleaseAgeExclude`の出力形式を修正など","relatedLinks":[]},{"category":"Headline","title":"Announcing Rspack 2.1 - 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developer ergonomics","url":"https://github.com/octanejs/octane","tags":["React","JavaScript","library"],"content":"Infernoの後継となるReactのHooksやSuspenseに近いモデルをコンパイルして動かすUIライブラリ。\nVirtual DOMを使わず、TSX/TSRXをサポートし、Vite/Rspack/Rsbuild向けプラグインを提供する。\n条件付きHooksや依存配列なしの`useEffect`、SSR/Streaming SSRなどに対応している。","relatedLinks":[]},{"category":"SoftwareLibrary","title":"vercel-labs/scriptc: TypeScript-to-Native Compiler","url":"https://github.com/vercel-labs/scriptc","tags":["TypeScript","compiler","Tools"],"content":"TypeScriptをネイティブ実行ファイルへコンパイルするコンパイラ。\nTypeScript Compiler APIで型チェックし、Typed IRをLLVM/Cバックエンドでネイティブコードへコンパイルする。\nquickjs-ngを使った動的なJSのライブラリを扱う仕組みも持っている。","relatedLinks":[{"title":"Limitations | scriptc","url":"https://scriptc.dev/limitations"}]},{"category":"SoftwareLibrary","title":"TanStack/charts: A tiny TypeScript visualization grammar for responsive, accessible, server-rendered charts—powered by granular D3 primitives.","url":"https://github.com/TanStack/charts","tags":["JavaScript","SVG","graphic","library"],"content":"D3ベースチャートライブラリ。\n`defineChart`でフレームワーク非依存のチャート定義を書き、React/Vue/Solid/Svelteなどのアダプタで描画できる。\nSVG SSR、Canvasレンダラー、アクセシビリティ、レスポンシブレイアウトを扱うランタイムを含む。","relatedLinks":[{"title":"TanStack Charts","url":"https://tanstack.com/charts/latest"}]}]},{"meta":{"layout":"page","title":"JSer.infoについて","category":"meta","author":"azu","permalink":"/about/","date":"2015-06-10T00:00:00.000Z","url":"https://jser.info/2015/06/10/about/"},"items":[]},{"meta":{"layout":"page","title":"JSer.info Sponsors","category":"meta","author":"azu","permalink":"/sponsor/","date":"2023-02-20T04:00:00.000Z","url":"https://jser.info/2023/02/20/sponsor/"},"items":[]},{"meta":{"layout":"page","title":"Support","category":"meta","author":"azu","permalink":"/support/","date":"2016-01-08T00:00:00.000Z","url":"https://jser.info/2016/01/08/support/"},"items":[]}]