Book Image

Micro State Management with React Hooks

By : Daishi Kato
Book Image

Micro State Management with React Hooks

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)
Part 1: React Hooks and Micro State Management
Part 2: Basic Approaches to the Global State
Part 3: Library Implementations and Their Uses

Differences between Zustand and Redux

In some use cases, the developer experience can be similar in Zustand and Redux. Both are based on one-way data flow. In one-way data flow, we dispatch action, which represents a command to update a state, and after the state is updated with action, the new state is propagated to where it's needed. This separation of dispatching and propagating simplifies the flow of data and makes the entire system more predictable.

On the other hand, they differ in how to update states. Redux is based on reducers. A reducer is a pure function that takes a previous state and an action object and returns a new state. While updating states with reducers is a strict method, it leads to more predictability. Zustand takes a flexible approach and it doesn't necessarily use reducers to update states.

In this section, we will see a comparison by converting an example with Redux into Zustand. Then we will see the differences between the two.