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The React Workshop

You're reading from   The React Workshop Get started with building web applications using practical tips and examples from React use cases

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Product type Paperback
Published in Aug 2020
Publisher Packt
ISBN-13 9781838645564
Length 806 pages
Edition 1st Edition
Languages
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Authors (6):
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Florian Sloot Florian Sloot
Author Profile Icon Florian Sloot
Florian Sloot
Ryan Yu Ryan Yu
Author Profile Icon Ryan Yu
Ryan Yu
Brandon Richey Brandon Richey
Author Profile Icon Brandon Richey
Brandon Richey
Endre Vegh Endre Vegh
Author Profile Icon Endre Vegh
Endre Vegh
 Theofanis Despoudis Theofanis Despoudis
Author Profile Icon Theofanis Despoudis
Theofanis Despoudis
Anton Punith Anton Punith
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Anton Punith
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Toc

Table of Contents (20) Chapters Close

Preface
1. Getting Started with React 2. Dealing with React Events FREE CHAPTER 3. Conditional Rendering and for Loops 4. React Lifecycle Methods 5. Class and Function Components 6. State and Props 7. Communication between Components 8. Introduction to Formik 9. Introduction to React Router 10. Advanced Routing Techniques: Special Cases 11. Hooks – Reusability, Readability, and a Different Mental Model 12. State Management with Hooks 13. Composing Hooks to Solve Complex Problems 14. Fetching Data by Making API Requests 15. Promise API and async/await 16. Fetching Data on Initial Render and Refactoring with Hooks 17. Refs in React 18. Practical Use Cases of Refs Appendix

Comparing Hooks to Render Props

Now that we know how to apply these hooks, let's take a quick look at why such a paradigm shift was required. The idea behind introducing hooks was mainly to improve developer experience. At React Conf 2018, the React team tried to address three main points:

  • Make smaller components where logic is easier to understand
  • Make components more reusable
  • Limit the use of class-based components as they are harder to optimize

After practicing some exercises on how to start using the useState and useEffect hooks with functional components, it might be a good idea to see how hooks actually simplify the design pattern.

To do so, let's take the final component of Exercise 11.01, Displaying an Image with the Toggle Button, which contains code where we built an app that loads and shows an image by pressing a button.

We had a component called <App/> that rendered an <img/> tag:

const App = () => {
 &...
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