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ライブラリ作者におすすめしたいBabelの新機能 babel-plugin-polyfill-corejs3 | Wantedly Engineer Blog
Babelの新しいpolyfill用プラグインであるbabel-polyfillsが2022年4月に脱experimentalを果たしていました。そこで本稿では、Babelにおいてpolyfillがどのように扱われていたかを振り返りながら新しいpolyfill pluginを紹介します。 注意: Babel 7.4で非推奨化された@babel/polyfillとは別物です。 何が問題だったのか?babel-polyfillsのREADMEと元issueにも説明がありますが、本記事ではあらためて日本語で説明したいと思います。端的に言うと今までは以下の要件を両立できませんでした。 ソースコード中で使われている機能のpolyfillだけを注入する。ターゲットブラウザを指定して、必要なpolyfillだけを注入する。副作用のない形でpolyfillを注入する。babel-polyfillsはこれら
WebKit Features in Safari 17.0
Sep 18, 2023 by Jen Simmons and the Safari / WebKit Team Today’s the day for Safari 17.0. It’s now available for iOS 17 and iPadOS 17. [Update September 26th] And now, Safari 17.0 is available for macOS Ventura, and macOS Monterey, and macOS Sonoma. Safari 17.0 is also available in the vision OS Simulator, where you can test your website by downloading the latest beta of Xcode 15, which supports t
ESLint v9.x end-of-life is 2026-08-06 and will not be maintained after that. Upgrade or consider long-term support options Published 05 Apr, 2024 under Release Notes ESLint v9.0.0 released We just pushed ESLint v9.0.0, which is a major release upgrade of ESLint. This release adds some new features and fixes several bugs found in the previous release. This release also has some breaking changes, so
Patterns for Building LLM-based Systems & Products [ llm engineering production 🔥 ] · 66 min read Discussions on HackerNews, Twitter, and LinkedIn “There is a large class of problems that are easy to imagine and build demos for, but extremely hard to make products out of. For example, self-driving: It’s easy to demo a car self-driving around a block, but making it into a product takes a decade.”
Prettier 3.6: Experimental fast CLI and new OXC and Hermes plugins! · Prettier
This release includes several important feature additions that we're excited to share with you. First, we're shipping a new experimental high-performance CLI behind a feature flag (--experimental-cli). This CLI was previously only available in prettier@next, but now you can enable it simply by using a flag. We encourage you to try it out and share your feedback! If you are interested in the intern
Blogged Answers: My Experience Modernizing Packages to ESM
Random musings on React, Redux, and more, by Redux maintainer Mark "acemarke" Erikson This is a post in the Blogged Answers series. Details on the painful experiences and hard-earned lessons I've learned migrating the Redux packages to ESM Table of Contents 🔗︎ Introduction Redux Packages Background Packages and Configurations Issue History Early Attempts Migrating to Vitest Initial Alpha Testing
Node.js
To restore application state from snapshot.blob, with index.js as the entry point script for the deserialized application: Contributed by Joyee Cheung in #38905 Other notable changes crypto: (SEMVER-MINOR) allow zero-length IKM in HKDF and in webcrypto PBKDF2 (Filip Skokan) #44201 (SEMVER-MINOR) allow zero-length secret KeyObject (Filip Skokan) #44201 deps: upgrade npm to 8.18.0 (npm team) #44263
--- name: skill-creator description: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. license: Complete terms in LICENSE.txt --- # Skill Creator This skill provides guidance for creating effective skills. ## About Skills S
WebKit Features for Safari 26.2
Safari 26.2 is a big release. Packed with 62 new features, this release aims to make your life as a web developer easier by replacing long-standing frustrations with elegant solutions. You’ll find simpler ways to create common UI patterns with just a few lines of HTML or CSS, and no JavaScript — like auto-growing text fields with CSS field-sizing, and buttons that open/close dialogs and popovers w
{ "name": "sample-4.0.3", "version": "0.1.0", "private": true, "dependencies": { "@testing-library/jest-dom": "^5.11.4", "@testing-library/react": "^11.1.0", "@testing-library/user-event": "^12.1.10", "@types/jest": "^26.0.15", "@types/node": "^12.0.0", "@types/react": "^17.0.0", "@types/react-dom": "^17.0.0", "react": "^17.0.2", "react-dom": "^17.0.2", "react-scripts": "4.0.3", "typescript": "^4.
JSer.info #626 - Remix v1.10.0がリリースされました。 Release v1.10.0 · remix-run/remix @remix-run/routerというReact Routerとの共通基盤となるパッケージを使い再構築されています。 shouldRevalidate関数のサポート、useNavigation/useRevalidator/useRouteLoaderData Hook APIの追加などが追加されています。 React Native 0.71がリリースされました。 React Native 0.71: TypeScript by Default, Flexbox Gap, and more... · React Native Road to 0.71.0 · Discussion #41 · reactwg/react-native-re
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JavaScript Best Practices | The WebStorm Blog
ESLint v9.0.0 released - ESLint - Pluggable JavaScript Linter
Patterns for Building LLM-based Systems & Products
prompts.chat - AI Prompts Community
バージョン指定してcreate-react-appを実行 - Qiita
2023-01-13のJS: Remix 1.10.0、React Native 0.71、State of JS 2022