Book Image

Learn React Hooks

By : Daniel Bugl
Book Image

Learn React Hooks

By: Daniel Bugl

Overview of this book

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.
Table of Contents (19 chapters)
Free Chapter
Section 1: Introduction to Hooks
Section 2: Understanding Hooks in Depth
Section 3: Integration and Migration


To recap what we have learned in this chapter, try answering the following questions:

  1. What are React's three fundamental principles?
  2. What are the two types of components in React?
  3. What are the problems with class components in React?
  4. What is the problem of using higher-order components in React?
  1. Which tool can we use to set up a React project, and what is the command that we need to run to use it?
  2. What do we need to do if we get the following error with class components: TypeError: undefined is not an object (evaluating 'this.setState')?
  3. How do we access and set React state using Hooks?
  4. What are the advantages of using function components with Hooks, in comparison to class components?
  5. Do we need to replace all class components with function components using Hooks when updating React?
  6. What are the three basic Hooks that are provided by React?