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January 6, 2026

JSter #251 - Libraries and more

JavaScriptcalypse now!

I've been sketching out Future Frontend 2026 and I think we'll have a solid program for the conference again.

Frameworks

  • Elysia - Ergonomic Framework for Humans
  • CopilotKit: React UI + elegant infrastructure for AI Copilots, AI chatbots, and in-app AI agents. The Agentic last-mile 🪁

Libraries

  • fp-pack - A practical functional toolkit for JavaScript and TypeScript. If you know functions, pipes, and currying, you can use it immediately
  • Announcing jax-js: an ML library for the web
  • 2Dphysics - Tiny physics engine written in JavaScript
  • Introducing Fate - tRPC with better ergonomics for React
  • Base UI is available now
  • Automerge - Version control for your data
  • dlemstra/magick-wasm: The WASM library for ImageMagick

Articles

  • The Curious Case of the Shallow Session SPAs
  • JSON Schema Demystified: Understanding Schemas, Dialects, Vocabularies, and Metaschemas

Runtimes

  • require(esm) in Node.js: from experiment to stability
  • bellard/mquickjs: Micro QuickJS Javascript Engine for embedded systems

Tools

  • Introducing Flint - a new linter
  • roman01la/blender-react: A Blender addon that lets you create and manage 3D scenes using React components
  • Vite 8 Beta: The Rolldown-powered Vite
  • Announcing Oxfmt Alpha

Books

  • gibbok/typescript-book: The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

Jokes

  • TailwindSQL - SQL Queries with Tailwind Syntax
  • donlon/cloudflare-error-page: Cloudflare error page generator

Demos

  • bidicalc - Spreadsheet with a twist

Security

  • NPM Security Best Practices: How to Protect Your Packages After the 2025 Shai Hulud Attack
  • No more tokens! Locking down npm Publish Workflows
  • Denial of Service and Source Code Exposure in React Server Components – Update your React now

Resources

  • bluwy/tsconfig-grimoire: A collection of sacred information to deal with tsconfig.json for tooling authors and maintainers

Tutorials

  • Build your own router
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