What is Redux middleware?

Redux middleware is a mechanism that sits between dispatching an action and the moment it reaches the reducer. It allows you to intercept actions and execute custom logic, such as logging, asynchronous operations, or modifying actions before they reach the reducers.

Writing Custom middlewares in React Redux

Custom middleware in React Redux is like having a helper that can do things with actions before they’re handled by our app. It allows us to intercept actions and apply custom logic before they reach the reducers. In this article, we are going to discuss how it is done.

Table of Content

  • What is Redux middleware?
  • What is Custom Middleware?
  • When to use Custom Middleware?
  • Standard patterns to follow for creating custom middleware
  • Rules to make compatible middleware

Similar Reads

What is Redux middleware?

Redux middleware is a mechanism that sits between dispatching an action and the moment it reaches the reducer. It allows you to intercept actions and execute custom logic, such as logging, asynchronous operations, or modifying actions before they reach the reducers....

What is Custom Middleware?

Custom middleware in Redux refers to user-defined functions that intercept actions dispatched to the store before they reach the reducers. These functions enable developers to add custom logic such as logging, modifying actions, or performing asynchronous operations....

When to use Custom Middleware?

Use custom middleware in Redux when you need to:...

Standard patterns to follow for creating custom middleware

When creating custom middleware for Redux, there are several standard patterns you can follow. These patterns allow you to create side effects for actions, modify or cancel actions, or modify the input accepted by dispatch. Here are some standard patterns for middleware:...

Rules to make compatible middleware

To ensure compatibility and adherence to Redux middleware conventions, custom middleware should follow these rules:...

Steps to Setup React App and Installing Module:

Step 1: Create a new React application using Create React App:...

Project Structure:

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