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Introducing React and React Hooks

React is a JavaScript library that can be used to build efficient and extensible web applications. React was developed by Facebook, and is used in many large-scale web applications, such as Facebook, Instagram, Netflix, and WhatsApp Web.

In this book, we are going to learn how to build complex and efficient user interfaces with React, while keeping the code simple and extensible. Using the new paradigm of React Hooks, we can greatly simplify dealing with state management and side effects in web applications, ensuring the potential for growing and extending the application later on. We are also going to learn about React context and React Suspense, as well as how they can be used with Hooks. Afterward, we are going to learn how to integrate Redux and MobX with React Hooks. Finally, we are going to learn how to migrate from existing React class...

Key benefits

Explore effective strategies for migrating your state management from Redux and MobX to React Hooks

Integrate Hooks with React features such as Context and Suspense to add advanced functionality to your web apps

Create complex applications by combining multiple hooks

Description

React Hooks revolutionize how you manage state and effects in your web applications. They enable you to build simple and concise React.js applications, along with helping you avoid using wrapper components in your applications, making it easy to refactor code. This React book starts by introducing you to React Hooks. You will then get to grips with building a complex UI in React while keeping the code simple and extensible. Next, you will quickly move on to building your first applications with React Hooks. In the next few chapters, the book delves into various Hooks, including the State and Effect Hooks. After covering State Hooks and understanding how to use them, you will focus on the capabilities of Effect Hooks for adding advanced functionality to React apps. You will later explore the Suspense and Context APIs and how they can be used with Hooks. Toward the concluding chapters, you will learn how to integrate Redux and MobX with React Hooks. Finally, the book will help you develop the skill of migrating your existing React class components, and Redux and MobX web applications to Hooks. By the end of this book, you will be well-versed in building your own custom Hooks and effectively refactoring your React applications.

What you will learn

Understand the fundamentals of React Hooks and how they modernize state management in React apps

Build your own custom Hooks and learn how to test them

Use community Hooks for implementing responsive design and more

Learn the limitations of Hooks and what you should and shouldn't use them for

Get to grips with implementing React context using Hooks

Refactor your React-based web application, replacing existing React class components with Hooks

Use state management solutions such as Redux and MobX with React Hooks

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Christopher Pedersen Nov 28, 2021

This book is excellent! At work and in my personal projects I've always used class components, and I've been having a hard time learning to use hooks in a new NextJS app that I'm building for fun. After riding the struggle bus for awhile trying to do some really basic stuff, I just decided to bite the bullet and buy a book or a course to figure out how to write React apps in this new style. The first video tutorial I attempted watch on the subject on YouTube put me to sleep, literally. So after I woke up from my long nap I started hunting for books instead. Fortunately, I happened to find this 700 page beast of a manual and am now on my way! So if you find yourself in a similar situation needing to re-learn React I highly recommend this book to anyone looking to learn about Hooks & Functional Components.

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Brett May 07, 2020

I've read probably 10-15 react books at this point and I'd have to say in terms of theory/conceptual understanding this book is probably the best I've read when it comes to react hooks vs react class-based components.The book is very well written and the first few chapters are reasonably forgiving to newer react developers and even provide the reader with an under-the-hood understanding of useState for example by basically creating it from scratch.The one downside is it seems to be intended for people who have already finished a few react applications and are now tasked with evaluating components and possibly refactoring class-based components to react hooks. So, personally I would recommend it to mid to senior-level developers or very advanced beginners.

Jose Garcia Jun 03, 2023

Simple, elegant, and to the point. That author does a fantastic job of explaining what hooks are in React and also goes into making your customer hooks. This book deserves to be in every React developer's library.

Just Some Guy Apr 07, 2022

This is a good book for an intermediate React developer (ES6 familiarity, NPM, etc. is assumed). The author starts with a nice exploration of how useState() is actually implemented "under the hood" by React, which is something I had been wanting to understand (this explains why the order in which hooks are called is so essential).After explaining the useState hook fundamentals, he does a pretty good overview of how to use each of the new Hooks included in React 17. He also devotes a chapter to a variety of useful 3rd party "community" hooks, and a chapter each to using Redux and MobX with hooks.The bulk of the book is structured around building a very simple blog SPA. It's far too simple for a real production site, but it serves as a decent example. The book is essentially a very long step-by-step tutorial. Along the way, the author does a nice job of explaining how to do things with Hooks that you previously did with class-based React Component lifecycle events (componentDidMount, etc.), giving various examples of migrating from the old style to hooks.My only 2 complaints about this book are pretty minor, but I pulled a star for them:1) Although the author steps you thru a lot of good code examples in great detail (line-by-line in many cases), he never includes the complete finished code sample at the end. Yes, you can download all the code from GitHub, but if you're offline (or just lazy), you never see the completed full example code in the book, so you just have to keep all the incremental changes in your mind and imagine it as a full script.2) Since this is a tutorial-style book - it's almost exclusively a "tactical implementation" book, and as such is very opinionated and follows a 1-track path. I wish he'd included more theory in every chapter (ie. pros/cons, gotchas, best practices, different approaches, etc.). It's just not that kind of a book, which is OK ... that just leaves room for the 2nd edition to be even better. ;-)Overall this is a very good introduction to hooks, and will give any competent React developer a solid start for using Hooks in their web apps.

CountryGirl Feb 28, 2021

But I really wish the author could publish errata. Starting Page 74, one can see some obvious errors as the app would crash. Comparing with the example code on the Github, they are very different. Chapter 5 were even worse, a lot of steps were omitted. One has to compare with the example code to see what's really going on.

Learn React Hooks: Build and refactor modern React.js applications using Hooks

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Learn React Hooks

Introducing React and React Hooks

Technical requirements

Principles of React

Motivation for using React Hooks

Getting started with React Hooks

Initializing a project with create-react-app

Overview of various Hooks

Hooks provided by React

Basic Hooks

Summary

Questions

Further reading

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