🔑 TypeScript Index Signatures (Beginner → Advanced) Index Signatures in TypeScript let you describe the shape of objects with dynamic (unknown) property names.They are essential when working with maps, dictionaries, API responses, configs, and...
🧩 TypeScript Namespaces (Beginner → Advanced) Namespaces in TypeScript are used to organize code, group related variables/functions/types, and avoid name collisions—especially in large or legacy projects. ⚠️ Note: In modern TypeScript, ES Modules (import/export)...
🎯 TypeScript Literal Types (Beginner → Advanced) Literal Types in TypeScript let you restrict a variable to exact values instead of broad types like string or number.They are extremely useful for APIs, UI states,...
🧠 TypeScript Type Inference (Beginner → Advanced) Type Inference in TypeScript means the compiler can automatically determine the type of a variable, function, or expression without you explicitly writing it.This is one of TypeScript’s...
🔁 TypeScript Mapped Types (Beginner → Advanced) Mapped Types in TypeScript allow you to create new types by transforming existing types.They are a core building block of TypeScript’s type system and power many built-in...
🔀 TypeScript Conditional Types (Beginner → Advanced) Conditional Types in TypeScript let you create types that depend on other types.They are like if–else statements, but for types, and are heavily used in utility types,...
🛡️ TypeScript Type Guards (Beginner → Advanced) Type Guards in TypeScript are techniques that help the compiler narrow down types within a block of code.They are essential for working with union types, APIs, and...
🚀 TypeScript Advanced Types (Complete Guide) Advanced Types in TypeScript help you write safer, more expressive, and scalable code.They are heavily used in real-world apps (React, Node.js) and are common in interviews. 1️⃣ Union...
🧰 TypeScript Tooling (Essential Tools & Workflow) TypeScript tooling refers to the set of tools that help you write, compile, run, lint, format, test, and bundle TypeScript code efficiently. Good tooling = faster development...
⚛️ TypeScript with React Using TypeScript with React gives you type-safe components, fewer bugs, and a much better developer experience—especially in medium to large React apps. 🧠 Why Use TypeScript with React? ✅ Type-safe...