https://b.hatena.ne.jp/efcl/javascript/ javascriptに関するefclのはてなブックマーク (13,629) https://github.com/tmikov/hermes-node HermesをベースにしたNode.js互換のJavaScript/TypeScriptランタイム。 TypeScriptファイルを直接実行でき、Chrome DevToolsプロトコルに対応したデバッガを内蔵している。 `fs`/`http`/`net`/`path`/`stream`などのNode.jsコアモジュールは、Node.js内部 efcl 2026-05-17T02:46:27Z nodejs JavaScript TypeScript library <blockquote cite="https://github.com/tmikov/hermes-node" title="GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Ftmikov%2Fhermes-node" alt="" /> <a href="https://github.com/tmikov/hermes-node">GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine</a></cite><p><a href="https://github.com/tmikov/hermes-node"><img src="" alt="GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine" title="GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/tmikov/hermes-node"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/tmikov/hermes-node" alt="はてなブックマーク - GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine" title="はてなブックマーク - GitHub - tmikov/hermes-node: Node.js built-in module compatibility layer for the Hermes JS engine" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/tmikov/hermes-node"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://jadjoubran.io/blog/web-platform-influenced-by-libraries WebプラットフォームのネイティブAPIがライブラリから受けた影響を9つの事例で紹介する記事。 jQuery/SizzleのCSSセレクタが`querySelector`に、Bootstrapの`data-toggle`が`popovertarget`/`command`属性に。 jQueryの`.addClass()`が`classList`へ、Lodash/Un efcl 2026-05-16T06:43:10Z WebPlatformAPI JavaScript library history article <blockquote cite="https://jadjoubran.io/blog/web-platform-influenced-by-libraries" title="9 Times the Web Platform Was Influenced by Libraries | Jad Joubran"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fjadjoubran.io%2Fblog%2Fweb-platform-influenced-by-libraries" alt="" /> <a href="https://jadjoubran.io/blog/web-platform-influenced-by-libraries">9 Times the Web Platform Was Influenced by Libraries | Jad Joubran</a></cite><p><a href="https://jadjoubran.io/blog/web-platform-influenced-by-libraries"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/80651740c1ad0f75a2cf7102d3c874542f078d04/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fres.cloudinary.com%2Fdbfn5lnvx%2Fimage%2Fupload%2Fq_auto%3Agood%2Fv1756892934%2Fjadjoubran.io%2Fv2%2Fshare.png" alt="9 Times the Web Platform Was Influenced by Libraries | Jad Joubran" title="9 Times the Web Platform Was Influenced by Libraries | Jad Joubran" class="entry-image" /></a></p><p>The web platform didn&#39;t invent most of its best APIs. It caught up to them. Libraries did the R&amp;D work in production. They got tested by thousands of developers across thousands of codebases, which is the kind of feedback you can&#39;t simulate. They got bug reports. They iterated. And, the patterns ...</p><p><a href="https://b.hatena.ne.jp/entry/s/jadjoubran.io/blog/web-platform-influenced-by-libraries"><img src="https://b.hatena.ne.jp/entry/image/https://jadjoubran.io/blog/web-platform-influenced-by-libraries" alt="はてなブックマーク - 9 Times the Web Platform Was Influenced by Libraries | Jad Joubran" title="はてなブックマーク - 9 Times the Web Platform Was Influenced by Libraries | Jad Joubran" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/jadjoubran.io/blog/web-platform-influenced-by-libraries"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 24 https://zenn.dev/fabon/articles/84f7696cd8a2fb > 巨大な整数をBigIntではなく、8.64e13で割った商と余りからなる長さ2の配列として内部で保持 8.64e13は1日をナノ秒で換算した値 efcl 2026-05-10T14:50:01Z JavaScript ECMAScript <blockquote cite="https://zenn.dev/fabon/articles/84f7696cd8a2fb" title="Temporalのpolyfillをゼロから実装した"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fzenn.dev%2Ffabon%2Farticles%2F84f7696cd8a2fb" alt="" /> <a href="https://zenn.dev/fabon/articles/84f7696cd8a2fb">Temporalのpolyfillをゼロから実装した</a></cite><p><a href="https://zenn.dev/fabon/articles/84f7696cd8a2fb"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/4007689198cc955c8b2f252be5df19e0f8465090/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fres.cloudinary.com%2Fzenn%2Fimage%2Fupload%2Fs--NHegBCSZ--%2Fc_fit%252Cg_north_west%252Cl_text%3Anotosansjp-medium.otf_55%3ATemporal%2525E3%252581%2525AEpolyfill%2525E3%252582%252592%2525E3%252582%2525BC%2525E3%252583%2525AD%2525E3%252581%25258B%2525E3%252582%252589%2525E5%2525AE%25259F%2525E8%2525A3%252585%2525E3%252581%252597%2525E3%252581%25259F%252Cw_1010%252Cx_90%252Cy_100%2Fg_south_west%252Cl_text%3Anotosansjp-medium.otf_37%3A%2525E3%252581%2525B5%2525E3%252581%252581%2525E3%252581%2525BC%2525E3%252582%252593%252Cx_203%252Cy_121%2Fg_south_west%252Ch_90%252Cl_fetch%3AaHR0cHM6Ly9zdGF0aWMuemVubi5zdHVkaW8vdXNlci11cGxvYWQvYXZhdGFyLzVlMThiZjIwMDEuanBlZw%3D%3D%252Cr_max%252Cw_90%252Cx_87%252Cy_95%2Fv1627283836%2Fdefault%2Fog-base-w1200-v2.png%3F_a%3DBACAGSGT" alt="Temporalのpolyfillをゼロから実装した" title="Temporalのpolyfillをゼロから実装した" class="entry-image" /></a></p><p>要約 軽量なTemporalのpolyfillであるtemporal-polyfill-liteを実装しました。 最終版（最新）の仕様を実装しており、TypeScript公式の型定義とも互換性があります。 大半の（グレゴリオ暦しか使わない）開発者にとっては、2026年4月現在これが一番バンドルサイズの小さいpolyfillとなっています。 Temporalの現在地 Tem...</p><p><a href="https://b.hatena.ne.jp/entry/s/zenn.dev/fabon/articles/84f7696cd8a2fb"><img src="https://b.hatena.ne.jp/entry/image/https://zenn.dev/fabon/articles/84f7696cd8a2fb" alt="はてなブックマーク - Temporalのpolyfillをゼロから実装した" title="はてなブックマーク - Temporalのpolyfillをゼロから実装した" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/zenn.dev/fabon/articles/84f7696cd8a2fb"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 48 https://github.com/fabon-f/temporal-polyfill-lite Temporal APIのpolyfillライブラリ。 最新のTemporal仕様に対応し、ponyfillとしてもglobalを書き換えるshimとしても利用できる。 TypeScriptで書かれていて、内部的にBigIntに依存しない実装となっている。 efcl 2026-05-10T14:49:10Z JavaScript library polyfill ECMAScript TypeScript <blockquote cite="https://github.com/fabon-f/temporal-polyfill-lite" title="GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Ffabon-f%2Ftemporal-polyfill-lite" alt="" /> <a href="https://github.com/fabon-f/temporal-polyfill-lite">GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill</a></cite><p><a href="https://github.com/fabon-f/temporal-polyfill-lite"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/94b1ac049f3b9f0e06a55c078a748696376756cb/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fopengraph.githubassets.com%2F9a9f58643a768f0b76ba570088bf755acbae98ecf7f3d4e7622fe261495bc0bb%2Ffabon-f%2Ftemporal-polyfill-lite" alt="GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill" title="GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill" class="entry-image" /></a></p><p>You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert</p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/fabon-f/temporal-polyfill-lite"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/fabon-f/temporal-polyfill-lite" alt="はてなブックマーク - GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill" title="はてなブックマーク - GitHub - fabon-f/temporal-polyfill-lite: Lightweight Temporal polyfill" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/fabon-f/temporal-polyfill-lite"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 2 https://socket.dev/blog/we-don-t-need-more-path-aliases Node.jsのsubpath Importsについて。 TypeScriptの`paths`やwebpackのaliasのような機能をNode.js標準の`package.json`の`imports`フィールド(Subpath Imports)で、`#components/*`のようなprefix付き指定で解決する方法を紹介している。 efcl 2026-05-09T10:23:01Z JavaScript TypeScript nodejs article <blockquote cite="https://socket.dev/blog/we-don-t-need-more-path-aliases" title="Cleaning up import paths in JS/TS packages - Socket"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fsocket.dev%2Fblog%2Fwe-don-t-need-more-path-aliases" alt="" /> <a href="https://socket.dev/blog/we-don-t-need-more-path-aliases">Cleaning up import paths in JS/TS packages - Socket</a></cite><p><a href="https://socket.dev/blog/we-don-t-need-more-path-aliases"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/946e640be06bf8561f9abd22c61934b36f1130a6/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fcgdhsj6q%2Fproduction%2F90b65b5d52068ac7467351a5c7a7417b9757e21b-1024x536.png%3Fw%3D1000%26q%3D95%26fit%3Dmax%26auto%3Dformat" alt="Cleaning up import paths in JS/TS packages - Socket" title="Cleaning up import paths in JS/TS packages - Socket" class="entry-image" /></a></p><p>Cleaning up import paths in JS/TS packagespackage.json contains a local aliasing mechanism for import paths called &quot;imports&quot; it satisfies many use cases without tooling specific solutions like tsconfig.json Applications and libraries grow over time. In JavaScript and TypeScript these lead to larg...</p><p><a href="https://b.hatena.ne.jp/entry/s/socket.dev/blog/we-don-t-need-more-path-aliases"><img src="https://b.hatena.ne.jp/entry/image/https://socket.dev/blog/we-don-t-need-more-path-aliases" alt="はてなブックマーク - Cleaning up import paths in JS/TS packages - Socket" title="はてなブックマーク - Cleaning up import paths in JS/TS packages - Socket" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/socket.dev/blog/we-don-t-need-more-path-aliases"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 2 https://github.com/axios/axios/releases/tag/v1.16.0 axios v1.16.0リリース。 fetch adapterでの`maxBodyLength`/`maxContentLength`の制限を強制、proxyリクエスト時のユーザー指定`Host`ヘッダの保持などの破壊的変更を含む。 また、Basic認証でpercent-encodedされた認証情報のデコード、`parseProtocol` efcl 2026-05-09T08:46:41Z HTTP library JavaScript ReleaseNote <blockquote cite="https://github.com/axios/axios/releases/tag/v1.16.0" title="Release v1.16.0 · axios/axios"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Faxios%2Faxios%2Freleases%2Ftag%2Fv1.16.0" alt="" /> <a href="https://github.com/axios/axios/releases/tag/v1.16.0">Release v1.16.0 · axios/axios</a></cite><p><a href="https://github.com/axios/axios/releases/tag/v1.16.0"><img src="" alt="Release v1.16.0 · axios/axios" title="Release v1.16.0 · axios/axios" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/axios/axios/releases/tag/v1.16.0"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/axios/axios/releases/tag/v1.16.0" alt="はてなブックマーク - Release v1.16.0 · axios/axios" title="はてなブックマーク - Release v1.16.0 · axios/axios" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/axios/axios/releases/tag/v1.16.0"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://remix.run/blog/remix-3-beta-preview Remix v3のbeta previewリリース。 ルーティング/リクエストハンドラ/ミドルウェア/セッション/認証/フォーム/アップロード/アセット/データ管理を含むフルスタックフレームワークとして再設計。 Fetch APIやURL、HTMLレスポンス、 efcl 2026-05-04T12:15:48Z Remix JavaScript library <blockquote cite="https://remix.run/blog/remix-3-beta-preview" title="Remix 3 Beta Preview"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fremix.run%2Fblog%2Fremix-3-beta-preview" alt="" /> <a href="https://remix.run/blog/remix-3-beta-preview">Remix 3 Beta Preview</a></cite><p><a href="https://remix.run/blog/remix-3-beta-preview"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/d21c8021111d1cf8436cd4c5e269daa4cf50cf00/backend=imagemagick;height=90;version=1;width=120/http%3A%2F%2Fremix.run%2Fimg%2Fremix-3-beta-preview%3Ftitle%3DRemix%2B3%2BBeta%2BPreview%26date%3DApril%2B30%252C%2B2026%26authorName%3DMichael%2BJackson%26authorTitle%3DCo-Founder%26ogImage%3D%252Fblog-images%252Fheaders%252Fremix-3-beta-preview.png" alt="Remix 3 Beta Preview" title="Remix 3 Beta Preview" class="entry-image" /></a></p><p>Today we&#39;re releasing the Remix 3 beta preview. This is still a pre-release. It is not production ready yet, and there is still a lot to do. But it is ready for you to kick the tires and tell us where the sharp edges are. When we started talking publicly about Remix waking up, we said we wanted t...</p><p><a href="https://b.hatena.ne.jp/entry/s/remix.run/blog/remix-3-beta-preview"><img src="https://b.hatena.ne.jp/entry/image/https://remix.run/blog/remix-3-beta-preview" alt="はてなブックマーク - Remix 3 Beta Preview" title="はてなブックマーク - Remix 3 Beta Preview" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/remix.run/blog/remix-3-beta-preview"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 4 https://replacements.fyi/ 古いまたは不要なnpmパッケージに対する代替パッケージや方法を検索できるサイト。 パッケージ名を入力すると代替パッケージの候補を表示する。 efcl 2026-05-04T11:56:03Z npm JavaScript <blockquote cite="https://replacements.fyi/" title="replacements.fyi - performant, safer npm package alternatives"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Freplacements.fyi%2F" alt="" /> <a href="https://replacements.fyi/">replacements.fyi - performant, safer npm package alternatives</a></cite><p><a href="https://replacements.fyi/"><img src="" alt="replacements.fyi - performant, safer npm package alternatives" title="replacements.fyi - performant, safer npm package alternatives" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/replacements.fyi/"><img src="https://b.hatena.ne.jp/entry/image/https://replacements.fyi/" alt="はてなブックマーク - replacements.fyi - performant, safer npm package alternatives" title="はてなブックマーク - replacements.fyi - performant, safer npm package alternatives" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/replacements.fyi/"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://github.com/avajs/ava/releases/tag/v8.0.0 AVA v8.0.0リリース。 Node.js v22.20/v24.12以降が必須となり、内部実装をESM化。 CommonJSから利用する場合は`const {default: test} = require('ava')`への変更が必要。 デフォルトのテストファイル拡張子が`js`/`mjs`に変更され、テストファイル efcl 2026-05-03T01:14:31Z JavaScript testing nodejs library ReleaseNote <blockquote cite="https://github.com/avajs/ava/releases/tag/v8.0.0" title="Release v8.0.0 · avajs/ava"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Favajs%2Fava%2Freleases%2Ftag%2Fv8.0.0" alt="" /> <a href="https://github.com/avajs/ava/releases/tag/v8.0.0">Release v8.0.0 · avajs/ava</a></cite><p><a href="https://github.com/avajs/ava/releases/tag/v8.0.0"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/ea43bd792ba92b91febf6ccd0e255838676c34ab/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fopengraph.githubassets.com%2Fa38f5f6e8d90779e2973ae7f3fc6e52bf82f6bf3d0a30c986df26369f8acd2a4%2Favajs%2Fava%2Freleases%2Ftag%2Fv8.0.0" alt="Release v8.0.0 · avajs/ava" title="Release v8.0.0 · avajs/ava" class="entry-image" /></a></p><p>You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. 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It&#39;s built on Shiki for syntax highlighting and theming, is super customizable, and comes packed with features. Made with love by The Pierre Computer Company.</p><p><a href="https://b.hatena.ne.jp/entry/s/diffs.com/"><img src="https://b.hatena.ne.jp/entry/image/https://diffs.com/" alt="はてなブックマーク - Diffs, from Pierre" title="はてなブックマーク - Diffs, from Pierre" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/diffs.com/"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 11 https://github.com/yuku-toolchain/yuku Zigで書かれたJavaScript/TypeScriptコンパイラおよびツールチェーン。 Test262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。 efcl 2026-04-10T15:08:23Z Zig JavaScript TypeScript compiler Tools <blockquote cite="https://github.com/yuku-toolchain/yuku" title="GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig."><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Fyuku-toolchain%2Fyuku" alt="" /> <a href="https://github.com/yuku-toolchain/yuku">GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig.</a></cite><p><a href="https://github.com/yuku-toolchain/yuku"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/5dff46d083ef1b4c7e3a83518c3b80bf7d6bdbc4/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fopengraph.githubassets.com%2Fcc539eb5cb8b0cbefd011394eb5e80e25cabcddc0630249237abe372cf57a6f9%2Fyuku-toolchain%2Fyuku" alt="GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig." title="GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig." class="entry-image" /></a></p><p>You signed in with another tab or window. 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Dismiss alert</p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/yuku-toolchain/yuku"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/yuku-toolchain/yuku" alt="はてなブックマーク - GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig." title="はてなブックマーク - GitHub - yuku-toolchain/yuku: High-performance JavaScript/TypeScript compiler and toolchain in pure Zig." border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/yuku-toolchain/yuku"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 2 https://github.com/Pagefind/pagefind/releases/tag/v1.5.0 Pagefind v1.5.0リリース。 Web Componentsベースの新しいUIシステムの追加、メタデータフィールドのデフォルトインデックス化による検索精度の向上、ダイアクリティカルマーク(発音区別符号)の対応を追加。 CJK(中国語/日本語/韓 efcl 2026-04-08T09:29:22Z Rust JavaScript search library ReleaseNote <blockquote cite="https://github.com/Pagefind/pagefind/releases/tag/v1.5.0" title="Release v1.5.0 · Pagefind/pagefind"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2FPagefind%2Fpagefind%2Freleases%2Ftag%2Fv1.5.0" alt="" /> <a href="https://github.com/Pagefind/pagefind/releases/tag/v1.5.0">Release v1.5.0 · Pagefind/pagefind</a></cite><p><a href="https://github.com/Pagefind/pagefind/releases/tag/v1.5.0"><img src="" alt="Release v1.5.0 · Pagefind/pagefind" title="Release v1.5.0 · Pagefind/pagefind" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/Pagefind/pagefind/releases/tag/v1.5.0"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/Pagefind/pagefind/releases/tag/v1.5.0" alt="はてなブックマーク - Release v1.5.0 · Pagefind/pagefind" title="はてなブックマーク - Release v1.5.0 · Pagefind/pagefind" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/Pagefind/pagefind/releases/tag/v1.5.0"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://blog.jetbrains.com/idea/2026/03/js-ts-free-support/ IntelliJ IDEA v2026.1で、JavaScript/TypeScript/HTML/CSSのコア機能が無料で利用可能に。 これまでUltimate版のみで提供されていたWeb開発向けの機能が、Community Editionでも利用できるようになった。 JS/TSのコード補完やリファクタリング、E efcl 2026-04-05T13:42:44Z JetBrains IDE JavaScript TypeScript <blockquote cite="https://blog.jetbrains.com/idea/2026/03/js-ts-free-support/" title="Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fblog.jetbrains.com%2Fidea%2F2026%2F03%2Fjs-ts-free-support%2F" alt="" /> <a href="https://blog.jetbrains.com/idea/2026/03/js-ts-free-support/">Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog</a></cite><p><a href="https://blog.jetbrains.com/idea/2026/03/js-ts-free-support/"><img src="" alt="Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog" title="Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/blog.jetbrains.com/idea/2026/03/js-ts-free-support/"><img src="https://b.hatena.ne.jp/entry/image/https://blog.jetbrains.com/idea/2026/03/js-ts-free-support/" alt="はてなブックマーク - Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog" title="はてなブックマーク - Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA | The IntelliJ IDEA Blog" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/blog.jetbrains.com/idea/2026/03/js-ts-free-support/"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://willybrauner.com/journal/signal-the-push-pull-based-algorithm Signalにおけるpush-pullベースのリアクティブアルゴリズムについての解説記事。 Signalの基本的な仕組みとして、値の変更時にサブスクライバーへ通知するPush型と、計算値を実際にアクセスされるまで遅延評価するPull型の組み efcl 2026-04-05T04:50:08Z JavaScript article <blockquote cite="https://willybrauner.com/journal/signal-the-push-pull-based-algorithm" title="Signals, the push-pull based algorithm — Willy Brauner"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwillybrauner.com%2Fjournal%2Fsignal-the-push-pull-based-algorithm" alt="" /> <a href="https://willybrauner.com/journal/signal-the-push-pull-based-algorithm">Signals, the push-pull based algorithm — Willy Brauner</a></cite><p><a href="https://willybrauner.com/journal/signal-the-push-pull-based-algorithm"><img src="" alt="Signals, the push-pull based algorithm — Willy Brauner" title="Signals, the push-pull based algorithm — Willy Brauner" class="entry-image" /></a></p><p>We have been using Signals in production for years via several modern front-end frameworks like Solid, Vue, and others, but few of us are able to explain how they work internally. I wanted to dig into it, especially diving deep into the push-pull based algorithm, the core mechanism behind their r...</p><p><a href="https://b.hatena.ne.jp/entry/s/willybrauner.com/journal/signal-the-push-pull-based-algorithm"><img src="https://b.hatena.ne.jp/entry/image/https://willybrauner.com/journal/signal-the-push-pull-based-algorithm" alt="はてなブックマーク - Signals, the push-pull based algorithm — Willy Brauner" title="はてなブックマーク - Signals, the push-pull based algorithm — Willy Brauner" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/willybrauner.com/journal/signal-the-push-pull-based-algorithm"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 23 https://github.com/lodash/lodash/releases/tag/4.18.0 lodash 4.18.0リリース。 `_.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。 `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。 efcl 2026-04-02T00:54:12Z lodash JavaScript library security ReleaseNote <blockquote cite="https://github.com/lodash/lodash/releases/tag/4.18.0" title="Release 4.18.0 · lodash/lodash"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Flodash%2Flodash%2Freleases%2Ftag%2F4.18.0" alt="" /> <a href="https://github.com/lodash/lodash/releases/tag/4.18.0">Release 4.18.0 · lodash/lodash</a></cite><p><a href="https://github.com/lodash/lodash/releases/tag/4.18.0"><img src="" alt="Release 4.18.0 · lodash/lodash" title="Release 4.18.0 · lodash/lodash" class="entry-image" /></a></p><p></p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/lodash/lodash/releases/tag/4.18.0"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/lodash/lodash/releases/tag/4.18.0" alt="はてなブックマーク - Release 4.18.0 · lodash/lodash" title="はてなブックマーク - Release 4.18.0 · lodash/lodash" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/lodash/lodash/releases/tag/4.18.0"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 1 https://tanstack.com/router/v1/docs/guide/scroll-restoration TanStack Routerのスクロール復元(Scroll Restoration)ガイド。 ネストしたスクロールコンテナのスクロールに対応するために、特定のセレクタをscrollTop:0にする仕組みが入ってる efcl 2026-03-30T13:23:57Z JavaScript article <blockquote cite="https://tanstack.com/router/v1/docs/guide/scroll-restoration" title="Scroll Restoration | TanStack Router Docs"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Ftanstack.com%2Frouter%2Fv1%2Fdocs%2Fguide%2Fscroll-restoration" alt="" /> <a href="https://tanstack.com/router/v1/docs/guide/scroll-restoration">Scroll Restoration | TanStack Router Docs</a></cite><p><a href="https://tanstack.com/router/v1/docs/guide/scroll-restoration"><img src="" alt="Scroll Restoration | TanStack Router Docs" title="Scroll Restoration | TanStack Router Docs" class="entry-image" /></a></p><p>Hash/Top-of-Page Scrolling# Out of the box, TanStack Router supports both hash scrolling and top-of-page scrolling without any additional configuration. Scroll-to-top &amp; Nested Scrollable Areas# By default, scroll-to-top mimics the behavior of the browser, which means only the window itself is scr...</p><p><a href="https://b.hatena.ne.jp/entry/s/tanstack.com/router/v1/docs/guide/scroll-restoration"><img src="https://b.hatena.ne.jp/entry/image/https://tanstack.com/router/v1/docs/guide/scroll-restoration" alt="はてなブックマーク - Scroll Restoration | TanStack Router Docs" title="はてなブックマーク - Scroll Restoration | TanStack Router Docs" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/tanstack.com/router/v1/docs/guide/scroll-restoration"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 3 https://arrow-js.com/ 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。 AI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。 efcl 2026-03-30T05:38:54Z JavaScript TypeScript WebAssembly library <blockquote cite="https://arrow-js.com/" title="ArrowJS — The first UI framework for the agentic era"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Farrow-js.com%2F" alt="" /> <a href="https://arrow-js.com/">ArrowJS — The first UI framework for the agentic era</a></cite><p><a href="https://arrow-js.com/"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/bfcfcad990cccaa82dff55d4ad8e69185faf9156/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fassets.arrow-js.com%2Fog.webp%3F2" alt="ArrowJS — The first UI framework for the agentic era" title="ArrowJS — The first UI framework for the agentic era" class="entry-image" /></a></p><p>The first UI framework for the agentic era A tiny, blazing-fast, zero dependency, type-safe framework with no build step required. ArrowJS ships with the ability to isolate component logic inside Web Assembly sandboxes while rendering full inline DOM directly in your app — no iframes, no pre-defi...</p><p><a href="https://b.hatena.ne.jp/entry/s/arrow-js.com/"><img src="https://b.hatena.ne.jp/entry/image/https://arrow-js.com/" alt="はてなブックマーク - ArrowJS — The first UI framework for the agentic era" title="はてなブックマーク - ArrowJS — The first UI framework for the agentic era" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/arrow-js.com/"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 27 https://github.com/chenglou/pretext DOMのリフローを発生させずにテキストの計測やレイアウトを行うJavaScriptライブラリ。 `getBoundingClientRect()`などのDOM計測を使わずに、正規化したテキストをセグメントに分解しOfflineCanvasで計測してリフローを避けている。 `lay efcl 2026-03-28T22:47:43Z JavaScript TypeScript DOM library performance <blockquote cite="https://github.com/chenglou/pretext" title="GitHub - chenglou/pretext"><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Fchenglou%2Fpretext" alt="" /> <a href="https://github.com/chenglou/pretext">GitHub - chenglou/pretext</a></cite><p><a href="https://github.com/chenglou/pretext"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/100389967bc0a6d563a065c4c8841312c4a993eb/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Fopengraph.githubassets.com%2F40d348a5d8255a5015674dc7048cdff4cacc709b4b7a229099767f4d5c4ffe95%2Fchenglou%2Fpretext" alt="GitHub - chenglou/pretext" title="GitHub - chenglou/pretext" class="entry-image" /></a></p><p>Pure JavaScript/TypeScript library for multiline text measurement &amp; layout. Fast, accurate &amp; supports all the languages you didn&#39;t even know about. Allows rendering to DOM, Canvas, SVG and soon, server-side. Pretext side-steps the need for DOM measurements (e.g. getBoundingClientRect, offsetHeigh...</p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/chenglou/pretext"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/chenglou/pretext" alt="はてなブックマーク - GitHub - chenglou/pretext" title="はてなブックマーク - GitHub - chenglou/pretext" border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/chenglou/pretext"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 53 https://github.com/sam247/openredaction 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。 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。 efcl 2026-03-17T13:47:50Z JavaScript TypeScript library privacy RegExp <blockquote cite="https://github.com/sam247/openredaction" title="GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local."><cite><img src="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fgithub.com%2Fsam247%2Fopenredaction" alt="" /> <a href="https://github.com/sam247/openredaction">GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local.</a></cite><p><a href="https://github.com/sam247/openredaction"><img src="https://cdn-ak-scissors.b.st-hatena.com/image/square/2a2d59aa0de7bb24438863ac9772112773bb80ba/backend=imagemagick;height=90;version=1;width=120/https%3A%2F%2Frepository-images.githubusercontent.com%2F1101181493%2F45d481f3-7817-4db7-8c73-edbfeca8fad3" alt="GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local." title="GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local." class="entry-image" /></a></p><p>OpenRedaction is a production-ready library that helps you keep sensitive data out of logs, prompts, and analytics pipelines. It combines 570+ curated regex patterns with advanced context-aware validation, checksum verification, and multiple redaction modes. Key principles: Regex-first: Pattern-b...</p><p><a href="https://b.hatena.ne.jp/entry/s/github.com/sam247/openredaction"><img src="https://b.hatena.ne.jp/entry/image/https://github.com/sam247/openredaction" alt="はてなブックマーク - GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local." title="はてなブックマーク - GitHub - sam247/openredaction: Open Source PII detection and redaction for JavaScript/Typescript. Achieve enterprise compliance and unparalleled, lightning fast performance, all 100% local." border="0" style="border: none" /></a> <a href="https://b.hatena.ne.jp/entry/s/github.com/sam247/openredaction"><img src="https://b.st-hatena.com/images/append.gif" border="0" alt="はてなブックマークに追加" title="はてなブックマークに追加" /></a></p></blockquote> 4