How React Works | React 17 Design Patterns and Best Practices

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React 17 Design Patterns and Best Practices

3.5 (10)

React 17 Design Patterns and Best Practices

3.5 (10)

Overview of this book

Filled with useful React patterns that you can use in your projects straight away, this book will help you save time and build better web applications with ease. React 17 Design Patterns and Best Practices is a hands-on guide for those who want to take their coding skills to a new level. You’ll spend most of your time working your way through the principles of writing maintainable and clean code, but you’ll also gain a deeper insight into the inner workings of React. As you progress through the chapters, you’ll learn how to build components that are reusable across the application, how to structure applications, and create forms that actually work. Then you’ll build on your knowledge by exploring how to style React components and optimize them to make applications faster and more responsive. Once you’ve mastered the rest, you’ll learn how to write tests effectively and how to contribute to React and its ecosystem. By the end of this book, you'll be able to avoid the process of trial and error and developmental headaches. Instead, you’ll be able to use your new skills to efficiently build and deploy real-world React web applications you can be proud of.

Preface

Preface

Who this book is for

What this book covers

To get the most out of this book

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Hello React!

Hello React!

Free Chapter

Taking Your First Steps with React

Taking Your First Steps with React

Technical requirements

Differentiating between declarative and imperative programming

How React elements work

Unlearning everything

Understanding JavaScript fatigue

Introducing TypeScript

Summary

Cleaning Up Your Code

Cleaning Up Your Code

Technical requirements

Using JSX

Styling code

Functional programming

Summary

How React Works

How React Works

React Hooks

React Hooks

Technical requirements

Introducing React Hooks

Migrating a class component to React Hooks

Understanding React effects

Understanding useCallback, useMemo, and memo

Understanding the useReducer Hook

Summary

Exploring Popular Composition Patterns

Exploring Popular Composition Patterns

Technical requirements

Communicating components

Exploring the container and presentational patterns

Understanding HOCs

Understanding FunctionAsChild

Summary

Understanding GraphQL with a Real Project

Understanding GraphQL with a Real Project

Technical requirements

Installing PostgreSQL

Creating our .env file and configuration files

Configuring Apollo Server

Defining our GraphQL types, queries, and mutations

Merging our type definitions

Creating our resolvers

Merging our resolvers

Creating Sequelize models

Connecting Sequelize to a PostgreSQL database

Authentication functions

Running our project for the first time

Testing our GraphQL queries and mutations

Performing a login

Building a frontend login system with Apollo Client

Summary

Managing Data

Managing Data

Technical requirements

Introducing the React Context API

Introducing React Suspense with SWR

Summary

Writing Code for the Browser

Writing Code for the Browser

Technical requirements

Understanding and implementing forms

Handling events

Exploring refs

Implementing animations

Exploring SVG

Summary

Performance, Improvements, and Production!

Performance, Improvements, and Production!

Making Your Components Look Beautiful

Making Your Components Look Beautiful

Technical requirements

CSS in JavaScript

Understanding and implementing inline styles

Exploring the Radium library

Using CSS modules

Implementing styled-components

Summary

Server-Side Rendering for Fun and Profit

Server-Side Rendering for Fun and Profit

Technical requirements

Understanding universal applications

Reasons for implementing SSR

Creating a basic example of SSR

Implementing data fetching

Using Next.js to create a React application

Summary

Improving the Performance of Your Applications

Improving the Performance of Your Applications

Technical requirements

Reconciliation

Keys

Optimization techniques

Tools and libraries

Summary

Testing and Debugging

Testing and Debugging

Technical requirements

Understanding the benefits of testing

Painless JavaScript testing with Jest

Testing events

Using React DevTools

Using Redux DevTools

Summary

React Router

React Router

Technical requirements

Installing and configuring React Router

Creating our sections

Adding parameters to the routes

Summary

Anti-Patterns to Be Avoided

Anti-Patterns to Be Avoided

Technical requirements

Initializing the state using properties

Using indexes as a key

Spreading properties on DOM elements

Summary

Deploying to Production

Deploying to Production

Technical requirements

Creating our first DigitalOcean Droplet

Configuring nginx, PM2, and a domain

Implementing CircleCI for continuous integration

Summary

Next Steps

Next Steps

Technical requirements

Contributing to React

Distributing your code

Publishing an npm package

Summary

About Packt

About Packt

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How React Works

This section explains how to use the new React Hooks, their rules, and how you can create your own Hooks. Also covered will be how you can migrate your current React class components applications to the new React Hooks.

We will cover the following chapters in this section:

Chapter 3, React Hooks
Chapter 4, Exploring Popular Composition Patterns
Chapter 5, Understanding GraphQL with a Real Project
Chapter 6, Managing Data
Chapter 7, Writing Code for the Browser

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