TypeScript 5 Design Patterns and Best Practices: Build clean and scalable apps with proven patterns and expert insights, 2nd Ed

Unlock TypeScript 5 patterns for durable, maintainable apps with modern techniques.
Key Features

Avoid common pitfalls and anti-patterns in TypeScript app development
Leverage functional and reactive paradigms for effective TypeScript development
Discover how to improve your application’s code reusability and testability
Purchase of the print or Kindle book includes a free PDF eBook

Book Description

Design patterns are the foundation of many world-class software applications, from commercial solutions to open-source projects. This guide equips you with the skills to architect robust, scalable, and maintainable TypeScript 5 applications. Whether you're looking to master modern TypeScript or apply proven software architecture patterns effectively, this book is your go-to resource.

Written by Theofanis Despoudis, a recognized TypeScript expert, this second edition is fully updated with TypeScript 5’s latest features, including improved type inference, union enums, and decorators. These updates will help you write cleaner, more maintainable code that adapts to future changes. You’ll dive into classic Gang of Four design patterns through both traditional and modern real-world implementations, gaining hands-on experience with practical applications. You’ll also gain a clear understanding of the power of functional and reactive programming patterns specifically designed for idiomatic TypeScript development.

By the end of this book, you’ll be able to identify and apply the right design pattern for any scenario and craft well-structured, maintainable, and testable code.
What you will learn

Understand the principles of design patterns and their role in TypeScript development
Learn essential patterns, including creational, structural, and behavioral, with TypeScript
Differentiate between patterns and design concepts and apply them effectively
Gain hands-on experience implementing patterns in real-world TypeScript projects
Explore advanced techniques from functional and reactive programming paradigms
Write efficient, high-quality TypeScript code that enhances performance and flexibility

Who this book is for

If you are a TypeScript developer working on frontend, backend, or full-stack applications looking to learn how to apply established design patterns to solve common programming problems instead of reinventing solutions, you'll find this book useful. Prior knowledge of design patterns is not necessary—all you need is basic TypeScript knowledge to get started with this book.
Table of Contents

Getting Started with TypeScript 5
TypeScript Core Principles
Creational Design Patterns
Structural Design Patterns
Behavioral Design Patterns for Object Communication
Behavioral Design Patterns for Managing State and Behavior
Functional Programming with TypeScript
Reactive and Asynchronous Programming
Developing Modern and Robust TypeScript Applications
Anti-Patterns and Workarounds
Exploring Design Patterns in Open Source Architectures