TypeScript Deep Dive
Master TypeScript from type annotations and generics through mapped types, conditional types, decorators, and full-stack integration with React, Node.js, and production build tooling.
100% Free · All lessons unlocked
Course Content
Foundations
Core concepts and groundwork
Why TypeScript? Types, Tooling and the Compiler
Reading
Primitive Types, Inference and Type Annotations
Reading
Arrays, Tuples and Enums
Reading
Objects, Interfaces and Type Aliases
Reading
Functions — Parameters, Returns and Overloads
Reading
Foundations Practice — Typing a Small App
Exercise
Core Skills
Essential techniques and patterns
Union and Intersection Types
Reading
Literal Types and Narrowing
Reading
Type Guards and Discriminated Unions
Reading
Generics — Functions, Interfaces and Constraints
Reading
Classes, Access Modifiers and Abstract Types
Reading
Core Types Practice — Generic Data Store
Exercise
Applied Practice
Hands-on, real-world scenarios
Utility Types — Partial, Pick, Omit, Record
Reading
keyof, typeof and Indexed Access Types
Reading
Mapped Types
Reading
Conditional Types and infer
Reading
Modules, Namespaces and Declaration Files
Reading
Applied Project — Type-safe API Client
Project
Advanced Topics
Deeper, more complex material
Template Literal Types
Reading
Decorators and Metadata
Reading
Advanced Generics and Variance
Reading
Type-level Programming and Recursive Types
Reading
Working with unknown, never and Assertion Functions
Reading
Advanced Practice — Building a Type Utility Library
Exercise
Production & Scale
Building for the real world
tsconfig Deep Dive — Strictness and Compiler Options
Reading
TypeScript with React
Reading
TypeScript with Node and Express
Reading
Testing TypeScript — Vitest and Type Testing
Reading
Migrating a JavaScript Codebase to TypeScript
Reading
Production Practice — Strict-mode Migration
Exercise
Mastery & Capstone
Projects and final review
Performance, Build Tools and Project References
Reading
Declaration Merging and Module Augmentation
Reading
Common Type Errors and Debugging Strategies
Reading
TypeScript Patterns and Best Practices
Reading
Capstone — Fully-typed Full-stack Application
Project
100% Free · All lessons unlocked
Topic Overview
What you'll learn
- Core concepts and fundamentals of TypeScript Deep Dive
- Industry best practices and design patterns
- Hands-on exercises with real-world scenarios
- Performance optimization and advanced techniques
- Building production-ready applications