A regular expression refresher

Regexes Got Good: The History (and Future) of Regular Expressions in JavaScript — Regular expression support was always a little underwhelming in JS, but things have improved. Steven takes us on a tour to refresh our knowledge, as well as show off his ‘regex’ library that boosts JS regexes to a true A++ rating. Steven was co-author of O’Reilly’s Regular Expressions Cookbook and High Performance JavaScript so knows his stuff.

Steven Levithan

WorkOS: The Modern Identity Platform for B2B SaaS — WorkOS is a modern identity platform for B2B SaaS, offering flexible and easy-to-use APIs to integrate SSO, SCIM, and RBAC in minutes instead of months. It's trusted by hundreds of high-growth startups such as Perplexity, Vercel, Drata, and Webflow.

WorkOS sponsor

Node v22.7.0 (Current) Released — Node 22.6 let you strip types from source code, but now with --experimental-transform-types you can transform TypeScript-only syntax into JavaScript before running it too. Module syntax detection is now also enabled by default.

Rafael Gonzaga

Bun v1.1.25: Now Running at 1.29 Million Requests per Second — I’m having a little fun with the title, but the latest version of the JavaScriptCore-based JS runtime has added node:cluster support and uses this to demo a high level of HTTP throughput on a ‘Hello World’ example. Support for V8’s C++ API has also landed – notable because Bun isn’t V8-based.

Ashcon Partovi

Join Us for ViteConf on October 3rd — Learn how the best teams are building the next generation of the web with Vite!

StackBlitz sponsor

50 TypeScript F--k Ups Mistakes — An admittedly colorfully-titled book digging into lots of subtle mistakes you might run into with TypeScript. It’s available on Leanpub in PDF, iPad, and Kindle forms, or you can read it all directly on its GitHub repo. At least worth a skim in case you're running into any of its points..

Azat Mardan

The Official Redux Essentials Tutorial, Redux — The long standing guide to how to use the popular Redux state container the right way with best practices has undergone a big reworking with TypeScript used throughout, new concepts added, and more coverage of RTK/React Toolkit features.

Redux Team

React is (Becoming) a Full-Stack Framework — Is React merely a frontend library? How does the backend fit in? The author shares his thoughts on what led him to start considering React as more of a full-stack solution.

Robin Wieruch

Milkdown: Plugin-Driven WYSIWYG Markdown Editor Framework — A lightweight WYSIWYG Markdown editor based around a plugin system that enables a significant level of customization. It’s neat to see the docs are rendered by the editor itself. GitHub repo.

Mirone

Fuite 5.0: A Tool for Finding Memory Leaks in Web Apps — A CLI tool that you can point at a URL to analyze for memory leaks. Here’s how it works. There’s also a video tutorial.

Nolan Lawson

✂️ Cut Your QA Cycles Down to Minutes with Automated Testing — Are slow test cycles limiting your dev teams' release velocity? QA Wolf provides high-volume, high-speed test coverage for web and mobile apps — reducing your test cycles to minutes. Learn more.

QA Wolf sponsor

LogTape: Simple Logging Library with Zero Dependencies — I’m digging this new style of library that promises support across all the main runtimes (Node, Deno, Bun) as well as edge functions and the browser devtools.

Hong Minhee

📊 Chart.js 4.4: Canvas-Based Charts for the Web — One of those libraries that feels like it’s been around forever but still looks fresh and gets good updates. Bar, line, area, bubble, pie, donut, scatter, and radar charts are all a piece of cake to render. Samples and GitHub repo.

Chart.js Contributors

Legend State: A Tiny, Fast and Modern React State System — A year ago, Jack Herrington wondered if Legend State could be ▶️ ‘the ultimate state manager’ and things have progressed a lot since, with it now boasting being the fastest React state library in town.

Jay Meistrich

Tagger: Zero Dependency, Vanilla JavaScript Tagging Library — You can play with a live demo here.

Jakub T. Jankiewicz

tinykeys 3.0: A Keybindings Library in ~650 Bytes — Keeps things as simple and sweet as possible.

Jamie Kyle

heic-to: Convert HEIC/HEIF Images to JPEG or PNG in the Browser

Hopper Gee