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Learn React Hooks

You're reading from   Learn React Hooks Build and refactor modern React.js applications using Hooks

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Product type Paperback
Published in Oct 2019
Publisher Packt
ISBN-13 9781838641443
Length 426 pages
Edition 1st Edition
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Author (1):
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Daniel Bugl Daniel Bugl
Author Profile Icon Daniel Bugl
Daniel Bugl
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Introduction to Hooks FREE CHAPTER
2. Introducing React and React Hooks 3. Using the State Hook 4. Writing Your First Application with React Hooks 5. Section 2: Understanding Hooks in Depth
6. Using the Reducer and Effect Hooks 7. Implementing React Context 8. Implementing Requests and React Suspense 9. Using Hooks for Routing 10. Using Community Hooks 11. Rules of Hooks 12. Building Your Own Hooks 13. Section 3: Integration and Migration
14. Migrating from React Class Components 15. Redux and Hooks 16. MobX and Hooks 17. Assessments 18. Other Books You May Enjoy

Exploring the input handling Hook

A very common use case when dealing with Hooks, is to store the current value of an input field using State and Effect Hooks. We have already done this many times throughout this book.

The useInput Hook greatly simplifies this use case, by providing a single Hook that deals with the value variable of an input field. It works as follows:

import React from 'react'
import { useInput } from 'react-hookedup'

export default function App () {
const { value, onChange } = useInput('')

return <input value={value} onChange={onChange} />
}

This code will bind an onChange handler function and value to the input field. This means that whenever we enter text into the input field, the value will automatically be updated.

Additionally, there is a function that will clear the input field. This clear function is also returned...

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