best practices

An AI once told me to walk to the car wash. Here is why low-context prompts produce wrong answers, and the prompting techniques that get you better TypeScript out of any model.

Co-locating test files next to TypeScript source code beats a centralized "tests" folder every time. Learn why co-location scales better in large TypeScript codebases and how it keeps your project navigable.

Use keyof typeof to derive types from runtime objects. One source of truth, zero drift, and TypeScript catches mistakes at compile time.

Discover how JavaScript private fields change TypeScript from structural typing to nominal typing, creating hard boundaries between classes that look identical.

Learn how to replace runtime validation with TypeScript intersection types for compile-time safety and cleaner code.