TypeScript Masterclass 2025 Edition - React + NodeJS Project (Udemy.com)

This isn’t just another TypeScript course—it’s the most up-to-date, comprehensive course available, fully updated in 2025 to align with the latest version of TypeScript and the most modern development practices.

And yes, I’ll teach you TypeScript from scratch! Whether you’re a beginner or an experienced JavaScript developer, this course covers everything you need to master TypeScript.

You'll learn all the essential concepts, including:

1. Type Declarations & Inference – Understand how TypeScript manages types dynamically

2. Interfaces & Type Aliases – Create structured, reusable code with confidence.

3. Classes & Object-Oriented Programming (OOP) – Master encapsulation, inheritance, and polymorphism in TypeScript.

4. Decorators (Stage 2 & Stage 3) – Implement powerful meta-programming techniques in your projects.

5. Generics – Write scalable, reusable functions and components.

6. Mapped & Conditional Types – Take type safety to the next level.

7. Modules & Namespaces – Organize and structure your code efficiently.

8. TypeScript Compiler (tsc) & Configuration – Learn how TypeScript compiles into JavaScript and how to configure it for different environments.

9. Advanced TypeScript Features – Utility types, infer keyword, keyof operator, and template literal types.

10. The Inner Workings of TypeScript – Go under the hood to understand how TypeScript interprets and enforces type safety.

11. And Lots More (See Curriculm for extensive list)

    
    

This course isn’t just about learning TypeScript in isolation. You’ll also apply it to build real-world applications using the latest tools and frameworks:

1. Frontend Development – Use TypeScript with React, ShadcnUI, TailwindCSS, and TanStack Query.

2. Backend Development – Build a robust Node.js API with Express, Mongoose, and MongoDB using TypeScript

By the end of this course, you’ll have mastered TypeScript in its entirety, gaining the skills to write scalable, high-performance applications that follow industry best practices.

This course contains 300+ Videos which in total contain more than 25 hours of content. I teach you the latest features of TypeScript in a very practical manner providing you with the in-depth knowledge you need to master TypeScript.

Once we are through with the theoretical part of the TypeScript and we understand the intrinsics of the language, we set off to build a full stack application. We build a task management application where you can create a new task and set the priority as well as the status of the task. We also build real-time task counters and work on a complete server state synchronization.

While building the front end of this application, you learn how to use TypeScript with React, ShadcnUI and  Tanstack Query. And, when we build the REST API with Node as a backend service for the application, we get practical hands-on experience on how to use Typescript in conjunction with NodeJS along with Express, Mongoose, and MongoDB database. If you are a full-stack developer, you can enjoy and build the complete project with me. And of you, skillsets are limited to the backend or front-end. You can choose the module based on your skills as these modules are self-contained and do not have a dependency on each other.

Detailed Breakdown Of Topics Covered In The Course:

• What is TypeScript

• How TypeScript helps You Write Better Code

• Introduction To Types

• Different types of types in TypeScript

• Primitive types

• Object types

• Array types

• Tuples

• Enums

• Unions 

• Intersection types

• Custom types

• Type inference

• Void

• Never

• Functions in TypeScript

• Call signatures

• Function overloading

• Polymorphic functions   

• Generics

• Classes in TypeScript

• Inheritance

• Accessors and Mutators

• Constructors

• Access modifiers

• Static members

• Abstract classes

• Method Overriding

• Interfaces

• Multiple inheritance with interfaces

• TypeScript Compiler and how to modify it for your needs

• JavaScript Prototypes and Objects

• Prototypical inheritance

• Property descriptors

• Decorators

• Decorator factories

• Class decorators

• Method decorators

• Parameter decorators

• Decorators on static members of a class

• Property decorators

• Multiple decorators and execution sequence

• Subtypes and Supertypes

• Typecasting

• Type widening

• Totality

• Discriminated unions

• Index Accessed types

• KeyOff operator

• Mapped types

• Conditional Types 

• Type definitions for third-party libraries

• Building a full stack application

• Application front-end using - TypeScript with React,  ShadcnUI, React Query / Tanstack Query.

• Application backend REST API using-  TypeScript with NodeJS, Mongoose, and MongoDB

Why You Should Learn TypeScript
TypeScript is a strongly typed programming language that builds on JavaScript. TypeScript is a superset of JavaScript and can be used along with JavaScript, allowing slow and steady upgradation. TypeScript has been voted the second most loved programming language in the Stack Overflow 2020 Developer survey.