Book Image

React Design Patterns and Best Practices - Second Edition

By : Carlos Santana Roldán

Book Image

React Design Patterns and Best Practices - Second Edition

By: Carlos Santana Roldán

Overview of this book

React is an adaptable JavaScript library for building complex UIs from small, detached bits called components. This book is designed to take you through the most valuable design patterns in React, helping you learn how to apply design patterns and best practices in real-life situations. You’ll get started by understanding the internals of React, in addition to covering Babel 7 and Create React App 2.0, which will help you write clean and maintainable code. To build on your skills, you will focus on concepts such as class components, stateless components, and pure components. You'll learn about new React features, such as the context API and React Hooks that will enable you to build components, which will be reusable across your applications. The book will then provide insights into the techniques of styling React components and optimizing them to make applications faster and more responsive. In the concluding chapters, you’ll discover ways to write tests more effectively and learn how to contribute to React and its ecosystem. By the end of this book, you will be equipped with the skills you need to tackle any developmental setbacks when working with React. You’ll be able to make your applications more flexible, efficient, and easy to maintain, thereby giving your workflow a boost when it comes to speed, without reducing quality.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Section 1: Hello React!

Section 1: Hello React!

Taking Your First Steps with React

Taking Your First Steps with React

Declarative programming

Unlearning everything

Common misconceptions

Clean Up Your Code

Clean Up Your Code

The basics of functional programming

Section 2: How React works

Section 2: How React works

Creating Truly Reusable Components

Creating Truly Reusable Components

Creating classes

Reusable components

Compose All the Things

Compose All the Things

Communication between components

The container and presentational pattern

Higher order components

FunctionAsChild

Proper Data Fetching

Proper Data Fetching

Write Code for the Browser

Write Code for the Browser

Handling events

Scalable Vector Graphics

Section 3: Performance, Improvements and Production!

Section 3: Performance, Improvements and Production!

Make Your Components Look Beautiful

Make Your Components Look Beautiful

CSS in JavaScript

Styled components

Server-Side Rendering for Fun and Profit

Server-Side Rendering for Fun and Profit

Universal applications

Reasons to implement SSR

A basic example

A data fetching example

Improve the Performance of Your Applications

Improve the Performance of Your Applications

Optimization techniques

Common solutions

Tools and libraries

About Testing and Debugging

About Testing and Debugging

The benefits of testing

Painless JavaScript testing with Jest

React Router

Installation and configuration

Creating our sections

Adding parameters to the routes

Anti-Patterns to be Avoided

Anti-Patterns to be Avoided

Initializing the state using properties

Mutating the state

Using indexes as a key

Spreading properties on DOM elements

Deploying to Production

Deploying to Production

Creating our first Digital Ocean Droplet

Configuring nginx, PM2, and a domain

Implementing CircleCI for continuous integration

Next Steps

Contributing to React

Distributing your code

Publishing an npm package

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Contributing to React

One thing that people often want to do when they've used React for a while is contribute to the library. React is open source, which means that its source code is public and anyone who's signed the Contributor License Agreement (CLA) can help to fix bugs, write documentation, or even add new features.

You can read the full terms of the CLA at the following URL: https://code.facebook.com/cla.

You need to make sure that any bug you post in React's GitHub repository is 100% replicable. Once you verify this, and if you want to file an issue on GitHub, you can go to https://github.com/facebook/react/issues/new.

As you'll see, the issue comes with some pre-filled instructions, with one of those being to set up the minimal demo. The other questions help you to explain the problem, and to describe current and expected behaviors.

It is important...