Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Full-Stack Flask and React

You're reading from  Full-Stack Flask and React

Product type Book
Published in Oct 2023
Publisher Packt
ISBN-13 9781803248448
Pages 408 pages
Edition 1st Edition
Author (1):
Olatunde Adedeji Olatunde Adedeji
Profile icon Olatunde Adedeji
Toc

Table of Contents (21) Chapters close

Preface 1. Part 1 – Frontend Development with React
2. Chapter 1: Getting Full Stack Ready with React and Flask 3. Chapter 2: Getting Started with React 4. Chapter 3: Managing State with React Hooks 5. Chapter 4: Fetching Data with React APIs 6. Chapter 5: JSX and Displaying Lists in React 7. Chapter 6: Working with React Router and Forms 8. Chapter 7: React Unit Testing 9. Part 2 – Backend Development with Flask
10. Chapter 8: SQL and Data Modeling 11. Chapter 9: API Development and Documentation 12. Chapter 10: Integrating the React Frontend with the Flask Backend 13. Chapter 11: Fetching and Displaying Data in a React-Flask Application 14. Chapter 12: Authentication and Authorization 15. Chapter 13: Error Handling 16. Chapter 14: Modular Architecture – Harnessing the Power of Blueprints 17. Chapter 15: Flask Unit Testing 18. Chapter 16: Containerization and Flask Application Deployment 19. Index 20. Other Books You May Enjoy

Using useContext to manage global state in React applications

The useContext Hook is used to share application state data across the component tree without having to pass props down explicitly at every component level. To put it simply, useContext is a way to manage React applications’ global state. Remember, we used the useState Hook to manage local state in the Using useState to develop stateful components section.

However, as React project requirements expand in scope, it will be ineffective to use the useState Hook alone in passing state data in deeply nested components. The following is the syntax for the useContext Hook:

const Context = useContext(initialValue);

Briefly, we will discuss props drilling to understand the challenges it poses. Afterward, we’ll delve into the implementation of the context API, which addresses these issues.

Understanding props drilling

Let’s examine how you might pass data as props down a component hierarchy without...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime