Posts

Learn when and why to use TypeScript's satisfies operator. Master the difference between type annotations, as assertions, and satisfies for bulletproof type safety.

Master 15 proven strategies to configure AI coding agents like Claude Code for better output. Includes CLAUDE.md examples, ESLint rules, and MCP workflows.

Discover 5 production-ready Node.js Worker Threads use cases that solve CPU-intensive bottlenecks. Learn when async isn't enough with real code examples and benchmarks.

Transform legacy code faster with these practical AI-assisted refactoring patterns. From callbacks to async/await, class components to hooks, and more.

Learn 7 essential RESTful API design principles with real Express and Fastify examples that will help your team build better, more maintainable APIs in JavaScript.

Discover how TypeScript's type system gives AI tools the context they need for smarter refactoring, better code generation, and fewer bugs. Real examples included.

Master TypeScript's built-in utility types to eliminate type duplication, prevent bugs, and write maintainable code that scales. Learn Pick, Omit, Partial, and 7 more essential utilities with real-world examples.

Master runtime form validation in TypeScript using Zod. Learn to build type-safe validators that catch errors at compile-time and runtime with practical examples.

Rendering 10,000 items? Virtualization reduces DOM nodes from thousands to ~50, transforming sluggish lists into butter-smooth experiences. Here's how.

Learn the 5 critical test integrity rules that prevent AI agents from creating self-validating tests. Includes TypeScript examples and research-backed best practices.

Learn how to prevent AI coding assistants from creating useState render waterfalls by combining custom ESLint rules with Claude instructions for automatic useImmer enforcement.

Async generators might seem like an obscure feature, but once you understand them, you'll find elegant solutions to problems you've been solving the hard way.