Welcome to Friday Links #30, your curated roundup of the week’s most notable happenings in the JavaScript world. From emerging frameworks and performance breakthroughs to creative experiments and open-source gems, this week’s collection is packed with fresh insights and practical discoveries for web developers.
📜 Articles & Tutorials
The future of large files in Git is Git
Best Practices for Building Agentic AI Systems: What Actually Works in Production
Howto Use JavaScript reduce() Like a Pro
How I Built a Full-Stack React Framework 4x Faster Than Next.js With 4x More Throughput
Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)
Run Express.js on Cloudflare Workers
Next.js App Router: Dynamic, Grouped, Parallel & Intercepted
GitHub Copilot CLI: How to get started
CSS :is() :where() the Magic Happens
The thing about contrast-color
Mastering Ethers.js — From MetaMask to Smart Contracts
Building Web3 Frontends with React and wagmi
15 Recent Node.js Features that Replace Popular npm Packages
Building an Async Combobox with useSuspenseQuery() and useDeferredValue()
HTML’s Best Kept Secret: The <output> Tag
⚒️ Tools
Mirrow: A DSL for Dynamic SVG Creation and Animation — Instead of treating SVGs as static graphics, Mirrow reimagines them as interactive, code-defined visuals. It introduces a domain-specific language (DSL) that lets you generate and animate SVGs programmatically, making them flexible, reusable, and expressive. Visit the playground to experiment with Mirrow syntax and bring your own SVG animations to life in real time.
ai-digest: A CLI for Summarizing Your Entire Codebase — This command-line tool automatically compiles your entire project into a single, structured Markdown file. Perfect for feeding into Claude projects, custom ChatGPTs, or AI code assistants, it gives large models full context of your codebase for analysis, documentation, or refactoring.
Crosspost - A JavaScript utility for posting across multiple social networks at once
n8n-MCP - A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
📚 Libs
memvid - Video-based AI memory library. Store millions of text chunks in MP4 files with lightning-fast semantic search. No database needed.
PageLM - PageLM is a community driven version of NotebookLM & a education platform that transforms study materials into interactive resources like quizzes, flashcards, notes, and podcasts.
Twake Drive - The open-source alternative to Google Drive.
ReactToPrint - Print React components in the browser
jsonriver - A simple, fast streaming JSON parser built on standards.
xmlbuilder2 - An XML builder for node.js
Coding Agent Template - Multi-agent AI coding platform powered by Vercel Sandbox and AI Gateway
IsAgent SDK - A lightweight SDK for building agent-specific experiences in your app.
react-map-gl - React friendly API wrapper around MapboxGL JS
reactylon - A powerful multiplatform framework built on top of Babylon.js and React, designed to create interactive and immersive XR experiences.
PlayCanvas Model Viewer - 3D Model Viewer supporting glTF and 3D Gaussian Splats
⌚ Releases
React Compiler v1.0 — The React team has officially declared the compiler stable and ready for production use. It automatically applies memoization optimizations based on static code analysis, reducing unnecessary re-renders and improving performance without manual tweaks. You can still rely on useMemo and useCallback for fine-grained control when needed, but many optimizations are now handled seamlessly by the compiler itself.
React Admin v5.12.0, TanStack Router 1.133, React Hook Form v7.65.0, Pixijs v8.14.0
📺 Videos
RabbitMQ Crash Course #1 – Setup, Queues & Why Message Brokers Matter Node js + Docker
React Coding Interview: Kent C. Dodds, Jack Herrington & Roadside Coder Solve React HARD Question
Meta's most dystopian product yet...
99% of Developers Don't Get PostgreSQL
Extremely Underrated Programming Skills
🎤 Talks & Podcasts
CSS Podcast 93: State queries in 2025
🗞️ News & Updates
🕹️ The JS13KGames 2025 competition has wrapped up, and the winners have been announced! Explore this year’s top entries — all built in under 13KB of JavaScript — to play inventive mini-games or dive into their clever, size-optimized source code.
npm Adopts OIDC for Trusted Publishing in CI/CD Workflows
Triplex Goes Open Source and Moves to Poimandres
🤖 Mastra, a rapidly growing TypeScript-based AI framework founded by former members of the Gatsby team, has secured a $13 million seed round to accelerate development and expand its ecosystem of AI tools for developers.
That’s a wrap for this edition of Friday Links! Keep exploring, building, and sharing your favorite finds with the community. Check back next Friday for another round of JavaScript updates, tools, and ideas that push the web forward.
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