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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 3: Sharing Component State with Context

React has provided Context since version 16.3. Context has nothing to do with states, but it's a mechanism for passing data from component to component instead of using props. By combining Context with a component state, we can provide a global state.

In addition to the Context support provided since React 16.3, React 16.8 introduced the useContext hook. By using useContext and useState (or useReducer), we can create custom hooks for a global state.

Context is not fully designed for global states. One of the known limitations is that all Context consumers re-render upon updates, which can lead to extra re-renders. It's a general recommendation to split a global state into pieces.

In this chapter, we discuss the general recommendations for using Context and show some concrete examples. We also discuss some techniques to use Context with TypeScript. The goal is to make you feel confident with using Context for a global...

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