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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!
2. Taking Your First Steps with React FREE CHAPTER 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

Spreading properties on DOM elements

There is a common practice that has recently been described as an anti-pattern by Dan Abramov; it also triggers a warning in the console when you do it in your React application.

It is a technique that is widely used in the community and I have personally seen it multiple times in real-world projects. We usually spread the properties to the elements to avoid writing every single one manually, which is shown as follows:

  <Component {...props} />

This works very well and it gets transpiled into the following code by Babel:

  React.createElement(Component, props);

However, when we spread properties into a DOM element, we run the risk of adding unknown HTML attributes, which is bad practice.

The problem is not related only to the spread operator; passing non-standard properties one by one leads to the same issues and warnings. Since the...

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