React Hooks in Action teaches you to write fast and reusable React components using Hooks.

Summary
Build stylish, slick, and speedy-to-load user interfaces in React without writing custom classes. React Hooks are a new category of functions that help you to manage state, lifecycle, and side effects within functional components. React Hooks in Action teaches you to use pre-built hooks like useState, useReducer and useEffect to build your own hooks. Your code will be more reusable, require less boilerplate, and you’ll instantly be a more effective React developer.

About the technology
Get started with React Hooks and you’ll soon have code that’s better organized and easier to maintain. React Hooks are targeted JavaScript functions that let you reuse and share functionality across components. Use them to split components into smaller functions, manage state and side effects, and access React features without classes—all without having to rearrange your component hierarchy.

About the book
React Hooks in Action teaches you to write fast and reusable React components using Hooks. You’ll start by learning to create component code with Hooks. Next, you’ll implement a resource booking application that demonstrates managing local state, application state, and side effects like fetching data. Code samples and illustrations make learning Hooks easy.

What's inside

Build function components that access React features
Manage local, shared, and application state
Explore built-in, custom, and third-party hooks
Load, update, and cache data with React Query
Improve page and data loading with code-splitting and React Suspense

About the reader
For beginning to intermediate React developers.

About the author
John Larsen has been a teacher and web developer for over 20 years, creating apps for education and helping students learn to code. He is the author of Get Programming with JavaScript.

Table of Contents

PART 1

1 React is evolving

2 Managing component state with useState hook

3 Managing component state with useReducer hook

4 Working with side effects

5 Managing component state with useRef hook

6 Managing application state

7 Managing performance with useMemo

8 Managing state with the Context API

9 Creating your own hooks

10 Using third party hooks

PART 2

11 Code splitting with Suspense

12 Integrating data-fetching with Suspense

13 Experimenting with useTransition, useDeferredValue and SuspenseList

React Hooks in Action: With Suspense and Concurrent Mode, John Larsen

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