TypeScript Learning Path (1 Month)

Week 1: TypeScript Fundamentals

• Introduction to TypeScript and its benefits over JavaScript
• Setting up TypeScript environment and compiler
• Basic types: string, number, boolean, array, tuple, enum
• Type annotations and type inference
• Variables, constants, and type safety
• Practice: Write simple typed programs and “Hello World”

Week 2: Functions, Objects & Interfaces

• Functions with types: parameters and return types
• Optional, default, and rest parameters
• Object types and interfaces
• Type aliases and unions/intersections
• Practice: Define interfaces and use typed objects

Week 3: Classes & Advanced Types

• Classes and inheritance
• Access modifiers (public, private, protected)
• Readonly properties, getters and setters
• Generics in functions and classes
• Advanced types: type guards, assertions, literal types
• Practice: Create class hierarchies and generic functions

Week 4: Modules, Tooling & Project

• Modules and namespaces
• Working with third-party JavaScript libraries in TypeScript
• Setting up a TypeScript project with build tools (e.g., Vite, Webpack)
• Using TypeScript with React or Node basics (optional)
• Build a small project applying all concepts (e.g., Todo app with types)
• Review and best practices for scalable, maintainable code