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React Design Patterns and Best Practices

You're reading from   React Design Patterns and Best Practices Design, build and deploy production-ready web applications using standard industry practices

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Product type Paperback
Published in Mar 2019
Publisher Packt
ISBN-13 9781789530179
Length 350 pages
Edition 2nd Edition
Languages
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Toc

Table of Contents (19) Chapters Close

Preface 1. Section 1: Hello React! FREE CHAPTER
2. Taking Your First Steps with React 3. Clean Up Your Code 4. Section 2: How React works
5. Creating Truly Reusable Components 6. Compose All the Things 7. Proper Data Fetching 8. Write Code for the Browser 9. Section 3: Performance, Improvements and Production!
10. Make Your Components Look Beautiful 11. Server-Side Rendering for Fun and Profit 12. Improve the Performance of Your Applications 13. About Testing and Debugging 14. React Router 15. Anti-Patterns to be Avoided 16. Deploying to Production 17. Next Steps 18. Other Books You May Enjoy

React hooks

React Hooks are a new feature in React 16.8. They let us use state, and other React features, without writing a class component, for example:

  import React, { useState } from 'react';

function Counter() {
// times is our new state variable and setTimes the function to update that state.
const [times, setTimes] = useState(0); // 0 is the initial value of times

return (
<div className="Times">
<p>Times clicked: {times}</p>
<button onClick={() => setTimes(times + 1)}>Click it!</button>
</div>
);
}

export default Counter;

As you can see, useState creates the new state and the function to update the state, you have to define the initial value when you called – not just numbers, you can add any type of value, even objects:

  import React, { useState } from 'react...
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