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

Migrating a MobX application

In the previous section, we learned how to replace MobX higher-order components, such as inject and observer in existing MobX applications with Hooks. Now, we are going to learn how to migrate local state to Hooks in existing MobX applications.

An existing MobX application can be migrated to a Hook-based solution by following three steps:

  • Using a State Hook for simple local state
  • Using the useLocalState Hook for complex local state
  • Keeping global state in separate MobX stores

We have already learned how to use a State Hook in the early chapters of this book. State Hooks make sense for simple state, such as the current state of a checkbox.

We have already learned how to use the useLocalState Hook in this chapter. We can use the Local State Hook for complex local state, such as complex forms where multiple fields interact with each other. Then, we...