Author: Mark Otto

Node gets the URLPattern API

March 25, 2025 By Mark Otto 0

New URLPattern API Brings Improved Pattern Matching to Node — The Cloudflare Workers team has implemented the URLPattern API in the Ada URL parser, used by both Node.js and Cloudflare Workers. The API lets you take patterns like /blog/:year/:month/:slug and test whether URLs match against…

The Rsdoctor will see you now

March 21, 2025 By Mark Otto Off

Rsdoctor 1.0: An Analyzer for Rspack and Webpack — A one-stop, intelligent build analyzer making it easier to identify bottlenecks and optimize performance. It’s part of the same family of tools as Rspack (a Rust-powered web bundler) but is fully webpack compatible. If you’ve ever…

React trends for 2025

March 19, 2025 By Mark Otto 0

React Trends in 2025 — Each year Robin does a post giving his opinion on what trends he sees arising over the next year. Last year, he put his money on Astro, RSCs, Vercel, and Biome – this year he points at React Server Components,…

Node 20 gains require(esm) support by default

March 18, 2025 By Mark Otto 0

Node v23.10.0 (Current) Released — Node gains a new –experimental-config-file option for writing a JSON-based config file that contains options that would otherwise litter your command line flags – ideal for configuring the test runner, say. Antoine du Hamel Node v20.19.0 (LTS) Released with require(esm)…

Can you understand this JavaScript?

March 14, 2025 By Mark Otto Off

A Perplexing JavaScript Parsing Puzzle — It looks deceptively simple – just 14 characters of JavaScript – but after working with JavaScript for 29 years, I got it wrong. A clue: it goes back to a browser-related quirk from 30 years ago.. Hillel Wayne TypeScript’s Compiler…

Watch the recordings from AWS Developer Day 2025

March 13, 2025 By Mark Otto Off

Software development is undergoing a seismic shift, driven by the transformative impact of generative AI. This powerful technology is redefining how developers work, what they build, and who can become a developer. At the AWS Developer Day 2025, we discussed how AWS is empowering developers…

How the NYT migrated its React testing approach in-place

March 12, 2025 By Mark Otto 0

💡 If you liked this, you might also enjoy the NYT’s take on upgrading to React 18. A Newsletter to Help Flex Your Product Muscles — Product for Engineers is a newsletter dedicated to helping improve your product skills. Get curated advice on building great products,…