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ECMAScript News – JavaScript and tools: 🦋 All links: here on Bluesky 🦣 Mastodon: https://mastodon.online/@ecmascript_news 📧 Weekly email with additional information: https://ECMAScript.News Written by @dr-axel.de and @johannesweber.bsky.social
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Bun v1.2.15: `bun audit`, `BUN_OPTIONS`, editing files in Chrome, and more @jarredsumner.com bun.sh/blog/bun-v1.... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

Introducing the new `vlt exec` and `vlt exec-cache` commands @vlt.sh blog.vlt.sh/blog/new-vlt... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

vlt client: `jsr:` support @vlt.sh blog.vlt.sh/blog/jsr-sup... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

Why are 2025/05/28 and 2025-05-28 different days in JavaScript? brandondong.github.io/blog/javascr... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

Nova: JavaScript and WebAssembly engine written in Rust @trynova.dev trynova.dev #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

Exploring JavaScript error handling www.haydenbleasel.com/blog/on-java... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

Iterator helpers have become Baseline Newly Available web.dev/blog/baselin... #ECMAScript #JavaScript

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Early exits in JavaScript generators blog.shortround.space/blog/early-e... #ECMAScript #JavaScript

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rolldown-vite: preview of the next version of Vite @evanyou.me @vite.dev voidzero.dev/posts/announ... #ECMAScript #JavaScript

submitted 5 days ago • 0 comments

ESLint v9.0.0: A retrospective - ESLint - Pluggable JavaScript Linter @humanwhocodes.com @eslint.org eslint.org/blog/2025/05... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

Bun v1.2.14: catalogs in `bun install` and more @jarredsumner.com bun.sh/blog/bun-v1.... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

Summary of the April 2025 TC39 plenary @igalia.com blogs.igalia.com/compilers/20... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

A brief history of JavaScript @deno.land deno.com/blog/history... #ECMAScript #JavaScript

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JavaScript’s upcoming Temporal API and what problems it will solve waspdev.com/articles/202... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

The state of JavaScript debugging in WebAssembly @thenewstack.io thenewstack.io/the-state-of... #ECMAScript #JavaScript

submitted 11 days ago • 1 comment

JSPM 4.0: dependency management via import maps in browsers (benefits: reduced tooling and more) @guybedford.com jspm.org/jspm-4.0-rel... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

How JavaScript’s at() method makes array indexing easier allthingssmitty.com/2025/05/19/h... #ECMAScript #JavaScript

submitted 11 days ago • 0 comments

Nx 21: Continuous tasks and Terminal UI lead the way @philipfulcher.com @nx.dev nx.dev/blog/nx-21-r... #ECMAScript #JavaScript

submitted 18 days ago • 0 comments

ESLint can now lint HTML using the html-eslint language plugin @eslint.org eslint.org/blog/2025/05... #ECMAScript #JavaScript

submitted 19 days ago • 0 comments

A preview of the new Mocha website is now online mochajs.org/next/ #ECMAScript #JavaScript

submitted 19 days ago • 0 comments

ES Module Shims 2.5: hot reloading and more @guybedford.com‬ guybedford.com/hot-reloadin... #ECMAScript #JavaScript

submitted 19 days ago • 0 comments

JavaScript’s new superpower: explicit resource management via `using` v8.dev/features/exp... #ECMAScript #JavaScript

submitted 19 days ago • 0 comments

How V8 JavaScript engine works behind the scenes www.deepintodev.com/blog/how-v8-... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

Matt Pocock and Ashley Claymore on the composites proposal (composite keys in Maps and Sets) @mattpocock.com @ashley-c.bsky.social www.youtube.com/watch?v=hFen... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

Parcel v2.15.0: new transformer & minifier for HTML & SVG, fewer npm dependencies, and more parceljs.org/blog/v2-15-0/ #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

Error.isError(): better way to check error types in JavaScript www.trevorlasn.com/blog/error-i... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

Migrating a JavaScript project from Prettier and ESLint to Biome @appsignal.com blog.appsignal.com/2025/05/07/m... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

An introduction to Node.js 24 from Red Hat @mhdawson.bsky.social @rwklau.bsky.social www.redhat.com/en/blog/intr... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

I think the ergonomics of JavaScript generators is growing on me macarthur.me/posts/genera... #ECMAScript #JavaScript

submitted 25 days ago • 0 comments

ESLint v9.26.0: MCP server integration, globalThis in no-shadow-restricted-names and more @eslint.org eslint.org/blog/2025/05... #ECMAScript #JavaScript

submitted 32 days ago • 0 comments

Deno 2.3: improved deno compile, local npm packages, and more @deno.land deno.com/blog/v2.3 #ECMAScript #JavaScript

submitted 32 days ago • 0 comments

The power of the spread and rest syntax in JavaScript allthingssmitty.com/2025/05/05/t... #ECMAScript #JavaScript

submitted 32 days ago • 0 comments

Giving V8 a heads-up: faster JavaScript startup with explicit compile hints v8.dev/blog/explici... #ECMAScript #JavaScript

submitted 32 days ago • 0 comments

Converting values to strings in JavaScript has pitfalls @dr-axel.de 2ality.com/2025/04/stri... #ECMAScript #JavaScript

submitted 32 days ago • 0 comments

Tutorial: publishing an npm package @jakob.jingleheimer.dev @nodejs.org nodejs.org/en/learn/mod... #ECMAScript #JavaScript

submitted 33 days ago • 0 comments

JSR Board Meeting 2025-04-17: concrete steps toward sustainable open governance and more @deno.land github.com/jsr-io/jsr/i... #ECMAScript #JavaScript

submitted 33 days ago • 0 comments

ConTejas Code Podcast: Alexander Lichter (VoidZero) – the state of modern web tooling @thealexlichter.com @tej.as tej.as/podcast #ECMAScript #JavaScript

submitted 33 days ago • 0 comments

Starter pack: Pure JavaScript • JavaScript and tooling • No TypeScript • No frameworks go.bsky.app/NdVi2b9

submitted 36 days ago • 0 comments

Using pnpm catalogs for categorizing package dependencies @antfu.me antfu.me/posts/catego... #ECMAScript #JavaScript

submitted 39 days ago • 0 comments

srvx: universal server API that supports Node.js, Deno and Bun @pi0.io srvx.unjs.io #ECMAScript #JavaScript

submitted 40 days ago • 0 comments

The evolution of JavaScript modularity (from 2018) @myshov.bsky.social github.com/myshov/histo... #ECMAScript #JavaScript

submitted 40 days ago • 0 comments

vlt client: query package data for security information (provided by Socket) @ruyadorno.com @vlt.sh blog.vlt.sh/blog/insight... #ECMAScript #JavaScript

submitted 45 days ago • 0 comments

Bundler Explorer: playground for Rollup, Rolldown and esbuild @sxzz.dev bundler.sxzz.dev #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

How Rolldown works: module loading, dependency graphs, and optimization explained www.atriiy.dev/blog/rolldow... #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

Igalia podcast: Nicolò Ribaudo about the past, present and future of Babel @bkardell.com @meyerweb.com @nicr.dev @igalia.com www.igalia.com/chats/babel #ECMAScript #JavaScript

submitted 46 days ago • 1 comment

devtools.fm podcast: Zack Jackson – ByteDance, rspack, and the future of web development @scriptedalchemy.bsky.social @just-be.dev @hipstersmoothie.com @devtools.fm www.devtools.fm/episode/139 #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

Optimizing Node.js performance: V8 memory management and garbage collection tuning @nodeland.dev @platformatic.dev blog.platformatic.dev/optimizing-n... #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

Introduction to the JavaScript bundler Rspack @appsignal.com blog.appsignal.com/2025/04/16/a... #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

ECMAScript proposal updates at the 2025-04 TC39 meeting @azu.bsky.social ecmascript-daily.github.io/ecmascript/2... #ECMAScript #JavaScript

submitted 46 days ago • 0 comments

pnpm 10.9: installing JSR packages and more @pnpm.io github.com/pnpm/pnpm/re... #ECMAScript #JavaScript

submitted 46 days ago • 0 comments