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Implementing the Elements of Redux

After getting the first taste of Redux, we will now go into more detail on the elements that make up Redux:

Actions: JavaScript objects, which describe state changes in the application
Action creators: Functions that take some arguments and return an action
Reducers: Functions that take the current state and an action, and return the new state
Store: The heart of Redux, which actually stores and guards your application state; we can subscribe to state changes in the store and dispatch actions to it

In this chapter, we will discuss how to implement these elements and how to put them together. Furthermore, we will create our first small project using Redux. It will be a simple blog that lists posts and reacts to user input when we click on these posts.

Key benefits

Write applications that behave consistently, run in different environments (client, server and native), and are easy to test

Take your web apps to the next level by combining the power of Redux with other frameworks such as React and Angular

Uncover the best practices and hidden features of Redux to build applications that are powerful, consistent, and maintainable

Description

The book starts with a short introduction to the principles and the ecosystem of Redux, then moves on to show how to implement the basic elements of Redux and put them together. Afterward, you are going to learn how to integrate Redux with other frameworks, such as React and Angular. Along the way, you are going to develop a blog application. To practice developing growing applications with Redux, we are going to start from nothing and keep adding features to our application throughout the book. You are going to learn how to integrate and use Redux DevTools to debug applications, and access external APIs with Redux. You are also going to get acquainted with writing tests for all elements of a Redux application. Furthermore, we are going to cover important concepts in web development, such as routing, user authentication, and communication with a backend server After explaining how to use Redux and how powerful its ecosystem can be, the book teaches you how to make your own abstractions on top of Redux, such as higher-order reducers and middleware. By the end of the book, you are going to be able to develop and maintain Redux applications with ease. In addition to learning about Redux, you are going be familiar with its ecosystem, and learn a lot about JavaScript itself, including best practices and patterns.

What you will learn

• Understand why and how Redux works

• Implement the basic elements of Redux

• Use Redux in combination with React/Angular to develop a web application

• Debug a Redux application

• Interface with external APIs with Redux

• Implement user authentication with Redux

• Write tests for all elements of a Redux application

• Implement simple and more advanced routing with Redux

• Learn about server-side rendering with Redux and React

• Create higher-order reducers for Redux

• Extend the Redux store via middleware

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

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Just Some Guy Jun 01, 2018

This is THE BOOK YOU WANT to learn Redux. I just read it, and it answered all the questions I had about Redux from other sources. Filled with great, in depth examples, clear explanations, and just the right level of technical depth, this book should be on every React developer's shelf. As a bonus, it uses all the latest ES6 conventions, as well as delving into how to approach essential concerns like testing, authentication, server-side rendering, and more. I don't usually gush about tech books, but nobody has reviewed this book yet so I want to make my opinion clear. THIS BOOK IS A MUST READ if you're a serious developer and you want to work with Redux. Buy it. Read it. Thank me later. ;-)

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tmok2000 Jul 20, 2018

This is a very well written book. The author is clearly very knowledgeable about the subject, as well as the use of the JavaScript/ECMAScript language. Not only he explains everything well, his code is beautifully written, too. I really appreciate that, as I always strive to write beautiful code myself. However, as anything in a fast moving technological world, the Webpack config part of the book is already outdated. I had to work a little harder to make it work with Webpack 4, but it's all good now. Also, Babel now has a new preset called "env", which the book doesn't use. It still advises to use the es2015 preset. These are minor issues. The book overall is very good, and I certainly learned a lot from it.

Jose Garcia Jun 03, 2023

This book delivers in a big way! The author begins with the foundations of Redux and goes into practical details to explain the concepts that build Redux and the mindset behind it. By doing a simple project and scaling that project throughout the book, the reader gains deeper insight, best practices, and practical applications that can be applied to the reader's projects.

Learning Redux: Write maintainable, consistent, and easy-to-test web applications

What do you get with Print?

Learning Redux

Implementing the Elements of Redux

The Redux cycle

An action is dispatched

Running code examples

Setting up a new project

Implementing actions and action creators

Implementing reducers

The store – combining actions and reducers

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