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Micro State Management with React Hooks

Micro State Management with React Hooks

By : Daishi Kato
4.9 (10)
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Micro State Management with React Hooks

Micro State Management with React Hooks

4.9 (10)
By: Daishi Kato

Overview of this book

State management is one of the most complex concepts in React. Traditionally, developers have used monolithic state management solutions. Thanks to React Hooks, micro state management is something tuned for moving your application from a monolith to a microservice. This book provides a hands-on approach to the implementation of micro state management that will have you up and running and productive in no time. You’ll learn basic patterns for state management in React and understand how to overcome the challenges encountered when you need to make the state global. Later chapters will show you how slicing a state into pieces is the way to overcome limitations. Using hooks, you'll see how you can easily reuse logic and have several solutions for specific domains, such as form state and server cache state. Finally, you'll explore how to use libraries such as Zustand, Jotai, and Valtio to organize state and manage development efficiently. By the end of this React book, you'll have learned how to choose the right global state management solution for your app requirement.
Table of Contents (16 chapters)
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1
Part 1: React Hooks and Micro State Management
3
Part 2: Basic Approaches to the Global State
8
Part 3: Library Implementations and Their Uses

Chapter 5: Sharing Component State with Context and Subscription

In the previous two chapters, we learned how to use Context and Subscription for a global state. Each has different benefits: Context allows us to provide different values for different subtrees, while Subscriptions prevent extra re-renders.

In this chapter, we will learn a new approach: combining React Context and Subscriptions. The combination will give us the benefits of each, which means:

  • Context can provide a global state to a subtree and the Context provider can be nested. Context allows us to control a global state in the React component lifecycle like the useState hook.
  • On the other hand, Subscriptions allow us to control re-renders, which is not possible with a single Context.

Having the benefits of both can be a good solution for larger apps – because, as mentioned, this means we can have different values in different subtrees, and we can also avoid extra re-renders.

This approach...

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