Erick Wendel is a Node.js core developer and educator sharing deep-dive tutorials on Node.js internals, WebSockets, Web Streams, testing, and modern JavaScript through hands-on articles and training.
6 articles from this blog
Learn to reimplement RxJS operators from scratch using vanilla JavaScript and Web Streams, with a practical mouse-tracking demo.
A technical guide on migrating JavaScript test suites from Jest to the native Node.js test runner, covering setup, features, and differences.
Argues against using Postman/Insomnia for manual API testing, advocating for automated tests and CI pipelines to improve productivity and software quality.
A step-by-step guide to writing end-to-end tests for a Node.js web API using the new native test runner, without external frameworks.
Debunks common myths about Node.js, revealing surprising truths about its architecture, async operations, and threading model.
A technical guide to building a WebSocket server from scratch in Node.js, covering the protocol handshake, message framing, and data masking.
