Node.jsでTypeScriptのコードを実行できるようになるかも - hiroppy's site
module: add --experimental-strip-types by marco-ippolito · Pull Request #53725 · nodejs/node It is possible to execute TypeScript files by setting the experimental flag --experimental-strip-typ... 💁♀️ まだマージされてない点に注意してください --experimental-strip-typesというフラグを実行時に付けることにより、Node.jsでTypeScriptのコードを実行できるようになるPRが出てきました。 背景 TC39でも型注釈の話題(議事録を読むとブラウザとの兼ね合いもあり道のりは長そう)が存在するほどJSのコードにおいて、型は当たり前となっています。 Node.jsと同
What's coming next for ESLint - ESLint - Pluggable JavaScript Linter
When we released ESLint v9.0.0 in April, it was the first major release in 30 months and formally introduced the new configuration system. ESLint v9.0.0 also made some rule API changes to prepare the core for what’s coming next. After the release, we spent a lot of time creating compatibility utilities, a configuration migration tool, and a rule API transform utility to help the ecosystem move to
止まってしまった時計の針を動かしたい
Namecheap Takes Down Polyfill.io Service Following Supply Chain Attack - Socket
Security News Namecheap Takes Down Polyfill.io Service Following Supply Chain Attack Polyfill.io has been serving malware for months via its CDN, after the project's open source maintainer sold the service to a company based in China. More than 110K websites using the Polyfill.io service have been impacted by a supply chain attack after a Chinese company bought the service earlier this year. The C
Polyfill supply chain attack hits 100K+ sites
by Sansec Forensics Team Published in Threat Research − June 25, 2024 The new Chinese owner of the popular Polyfill JS project injects malware into more than 100 thousand sites. Update June 28th: We are flagging more domains that have been used by the same actor to spread malware since at least June 2023: bootcdn.net, bootcss.com, staticfile.net, staticfile.org, unionadjs.com, xhsbpza.com, union.m
JSDocをサポートするということ Attach & Find編 | Memory ice cubes
ARM に存在する JavaScript 専用命令「FJCVTZS」を追う（ついでに V8 をビルドする）
JavaScriptの識別子に中黒が使えるようになった: Days on the Moon
Module Harmony について
2024/05/31 にCTO協会LTで発表した Module Harmony についてです。
JSer.info Watch List RSS
Kuto, a reverse JS bundlerKuto is a novel approach to shipping code on the web.It lets you re-use code a client already has for shipping updates.For a 'real-world' site with ~3mb of JS, updating the React dependency resulted in:71% smaller download28% faster start time (on a ~5yo old phone, a Pixel 3).…vs a single bundle, or any case where all the code is invalidated.Note that Kuto works really we
控えめなJavaScript - Wikipedia
控えめなJavaScript（ひかえめなジャバスクリプト、英語: Unobtrusive JavaScript）とは、WebページでのJavaScriptの利用における一般的なアプローチである。この用語は正式には定義されていないが、基本的な原理は一般的に次のようなことが含まれると理解されている。 機能（behavior layer）の、Webページの構造・コンテンツ、表示との分離[1] 伝統的なJavaScriptプログラミングの問題（ブラウザによる違いや拡張性の欠如など）を回避するためのベストプラクティス 高度なJavaScriptの機能をサポートしない可能性のあるユーザーエージェントをサポートするためのプログレッシブエンハンスメント[2] 新しいパラダイム[編集] 歴史的にJavaScriptは本格的なアプリケーション開発には適さない、扱いにくい言語とされてきた[3][4]。これは主に
Maglev - V8’s Fastest Optimizing JIT · V8
In Chrome M117 we introduced a new optimizing compiler: Maglev. Maglev sits between our existing Sparkplug and TurboFan compilers, and fills the role of a fast optimizing compiler that generates good enough code, fast enough. Background # Until 2021 V8 had two main execution tiers: Ignition, the interpreter; and TurboFan, V8’s optimizing compiler focused on peak performance. All JavaScript code is
We've added JavaScript-native RPC to Cloudflare Workers
We've added JavaScript-native RPC to Cloudflare Workers04/05/2024 Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system enabling seamless Worker-to-Worker and Worker-to-Durable Object communication, with almost no boilerplate. You just define a class: export class MyService extends WorkerEntrypoint { sum(a, b) { return a + b; } } And then you call it: let three = await env.
ESLint v9.0.0 released - ESLint - Pluggable JavaScript Linter
Highlights This is a summary of the significant changes, both breaking and non-breaking, you need to know about when upgrading from ESLint v8.x to ESLint v9.0.0. Installing Because this is a major release, you may not automatically be upgraded by npm. To ensure you are using this version, run: npm i eslint@9.0.0 --save-dev Migration Guide As there are a lot of changes, we’ve created a migration gu
WebViewからReact Nativeの関数を型安全に呼び出す
Are We Turbo Yet?
Progress towards 100% of tests passing for Turbopack in Next.js
npm/yarn/pnpm/bunを同じコマンドで扱える ni のzsh実装を書いた
Iterator helpers · V8
Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. Since these helper methods are on the iterator prototype, any object that has Iterator.prototype on its prototype chain (e.g. array iterators) will get the methods. In the following subsections, we explain iterator helpers. All the provided examples are working in a blog archive page that
JavaScript 実行エンジンの V8 を学ぶ | 株式会社CAM
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Improving Infinite Loop Detection