Learn React Hooks: Unlock scalable state, performance, and clean code with Hooks, Context, Suspense, and Form Actions, Edition 2

Daniel Bugl

May 2025 · Packt Publishing Ltd

About this ebook

Grasp the core concepts of React Hooks and enhance your development workflow with best practices and advanced patterns derived from modern React 19 featuresKey Features

• Build custom Hooks to simplify complex logic and promote code reusability
• Transform class components into modern, hook-based function components, and write robust tests
• Build maintainable, production-ready UIs using React 19's declarative approach and ecosystem tools
• Purchase of the print or Kindle book includes a free PDF eBook

Book DescriptionReact Hooks allow you to easily encapsulate, reuse, and refactor logic with the same level of simplicity that components bring to user interface organization. In this second edition, React expert and author of many popular React books, Daniel Bugl guides you through the full spectrum of React Hooks, and teaches you how to handle forms, routing, and data fetching in modern React development. This edition is fully updated to React 19, with a revamped structure, expanded real-world use cases, and coverage of all newly introduced Hooks. Starting with the fundamentals, you'll gain a deep understanding of how Hooks work under the hood and how to apply Hooks patterns efficiently. The chapters guide you through using State, Reducer, and Effect Hooks to manage application state, side effects, and complex logic for building your first Hook-based app. You'll utilize Suspense and Context APIs for streamlined data fetching and state management, master Form Actions for handling submissions, and implement routing with Hooks. You’ll also create custom Hooks for advanced functionality and write tests for reliability. Finally, you’ll learn how to refactor an existing app with class components into modern Hooks architecture. By the end of this React book, you'll be well-equipped to use React Hooks to modernize and optimize your React projects.What you will learn

• Master and apply new React 19 Hooks, such as useActionState, useFormStatus, useOptimistic, and others
• Use React Hooks and Context to manage state in your web applications
• Efficiently fetch, update, and cache data using TanStack Query and Suspense
• Manage user input and form submission using Form Actions with Hooks
• Discover how to implement routing in your apps using React Router and Hooks
• Create and test your own Hooks to encapsulate, reuse, and refactor logic in your apps

Who this book is for

This book is ideal for React developers looking to modernize their applications using React Hooks, Context, and Suspense. Beginners and experienced developers alike will gain a solid understanding of Hooks and their internal workings. If you're familiar with React and JavaScript, this book will help you upskill by teaching you best practices, performance optimization, and scalable application building. No prior experience with Hooks is required—this book covers everything from fundamentals to advanced patterns.

About the author

Daniel Bugl is a full stack developer, product designer, and entrepreneur focusing on web technologies. He has a Bachelor of Science degree in business informatics and information systems and a Master of Science degree in data science from the Vienna University of Technology (TU Wien). He is a contributor to many open-source projects and a member of the React community. He also founded and runs his own hardware/software start-up, TouchLay, which helps other companies present their products and services. At his company, he constantly works with web technologies, particularly making use of React, React Hooks, and modern technologies, such as Form Actions. In the past couple of years, he has, together with Georg Schelkshorn and Matthias Zronek, worked as a software development consultant and full stack developer for large enterprises and the public sector, among other things working on citizen services for the Austrian government.