🚀 TypeScript Pro Developer Hacks: Write Smarter, Safer & Faster Code
TypeScript is more than JavaScript with types . Used properly, it becomes a powerful engineering tool for building large-scale applications that are easier to maintain, refactor, test, optimize, and scale. The real power of TypeScript appears when you move beyond basic types like string , number , and interface and start using generics, discriminated unions, type narrowing, utility types, template literal types, satisfies , branded types, exhaustive checking, and compiler-driven design . Let’s explore the hacks that separate a TypeScript beginner from a TypeScript Pro Developer . 🧠⚡ 🧩 1. Prefer unknown Over any One of the biggest TypeScript mistakes is using any whenever the compiler complains. ❌ Weak approach function parseResponse ( data: any ) { return data. user . name ; } You’ve effectively disabled TypeScript. ✅ Pro approach function parseResponse ( data: unknown ) { if ( typeof data === "object" && data !== null && "user...