Deno 2.4: deno bundle is Back — Deno 2.4 reintroduces the deno bundle command for creating single-file bundles for both the server and client side, complete with support for npm and JSR dependencies and automatic tree-shaking. You can also now include arbitrary files into modules using import, and Deno’s built-in OpenTelemetry support is now stable. It’s a substantial release.

Iwańczuk and Jiang

CodeRabbit’s Free AI Code Reviews in IDE - VS Code, Cursor, Windsurf — Code Rabbit brings AI code reviews to VS Code, Cursor & Windsurf. Get line-by-line reviews, one-click fixes & codebase-aware feedback - all free in your IDE. Seamlessly integrates with git workflows. Install the extension & start reviewing!

CodeRabbit sponsor

What's New in ECMAScript 2025: Another Take — Last week we featured Dr. Axel’s look at what’s new in ES2025, but Paweł has another example-led take here that you might enjoy.

Paweł Grzybek

How to Build Your Own Color Search Engine — A straightforward, practical look at bringing together several technologies and skills to create an AI powered color suggestion tool (which you can try here – results may vary, as seen above). The techniques covered can be used for many different practical ends.

Lúí Smyth

Building a Lightweight Reactive State Manager with JavaScript Proxies — What if you didn’t need a library for reactive state mangement? What if you could build a system that’s powerful and simple using a native JS feature? You can!

Loren Stewart

The Road to Next — Learn full-stack web development with Next.js 15 and React 19. The perfect match for JavaScript developers ready to go beyond the frontend.

Robin Wieruch sponsor

⏪ A Perplexing JavaScript Parsing Puzzle — The most popular item in JavaScript Weekly this year (so far) was simple in presentation but also deceptively simple in what it asked. 14 characters of JS and one straightforward question – can you get it right?

Hillel Wayne

Modern Node.js Patterns for 2025 — A reflection on the potential of Node as it stands right now. Ashwin reminds us of various developments, including the use of ES modules, built-in Web APIs, the test runner, watch mode, the permission model, import maps, and more.

Ashwin

Milkdown: A Plugin-Driven WYSIWYG Markdown Editor Framework — A WYSIWYG Markdown editor framework based around a plugin system that enables a significant level of customization. The docs are rendered by Milkdown itself and there’s a neat ‘playground’ experience to try as well. GitHub repo.

Mirone

Repomix 1.0: Pack a Codebase Into an AI-Friendly Format — Enter a GitHub URL, choose your settings (XML, MD, etc), and get a blob that's ideal if you want an LLM to answer questions about or analyze that repo. You can use it online or as a library in Node. GitHub repo.

Kazuki Yamada

You Can Now Run Playwright Tests on Real iOS Devices with Safari — Spot iOS-specific issues by testing web apps on real iPhones & iPads, with logs, video playback & true Safari rendering.

BrowserStack sponsor

snapDOM 1.8: Captures DOM Nodes as Images — A rapidly maturing, fast and accurate DOM-to-image capture mechanism to capture any HTML element as a scalable SVG image, preserving styles, fonts, background images, etc. The homepage is packed with examples.

ZumerLab

🗓️ Time Picker: A shadcn/ui-Based Date/Time Picker Component — Simple, elegant, and feels good to use.

OpenStatus

🎨 Spectral.js: A 'Paint-Like' Color Mixing Library — If you have two colors to transition between, tweening the RGB values can result in some ugly intermediate colors. Spectral.js uses Kubelka–Munk theory which more closely matches how paints work for a visually satisfying result.

Ronald van Wijnen