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React 17 Design Patterns and Best Practices

You're reading from   React 17 Design Patterns and Best Practices Design, build, and deploy production-ready web applications using industry-standard practices

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Product type Paperback
Published in May 2021
Publisher Packt
ISBN-13 9781800560444
Length 394 pages
Edition 3rd Edition
Languages
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Toc

Table of Contents (21) Chapters Close

Preface 1. Hello React!
2. Taking Your First Steps with React FREE CHAPTER 3. Cleaning Up Your Code 4. How React Works
5. React Hooks 6. Exploring Popular Composition Patterns 7. Understanding GraphQL with a Real Project 8. Managing Data 9. Writing Code for the Browser 10. Performance, Improvements, and Production!
11. Making Your Components Look Beautiful 12. Server-Side Rendering for Fun and Profit 13. Improving the Performance of Your Applications 14. Testing and Debugging 15. React Router 16. Anti-Patterns to Be Avoided 17. Deploying to Production 18. Next Steps 19. About Packt 20. Other Books You May Enjoy

Testing our GraphQL queries and mutations

Great! At this point, you're very close to executing your first GraphQL query and mutation. The first query we will execute is going to be getUsers. The following is the correct syntax for running a query:

query {
getUsers {
id
username
email
privilege
}
}

When you don't have any attribute to pass to the query, you just need to specify the name of the query under the query {...} block and then specify the fields you want to retrieve once you've executed your query. In this case, we want to fetch the id, username, email, and privilege fields.

If you run this query, you will probably get an empty array of data. This is because we don't have any users registered yet:

This means we need to execute our createUser mutation in order to register our first user. One thing I like about GraphQL Playground is that you have all the schema documentation in the DOCS tab on the right-hand side. If you click on the DOCS tab, you...

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