Book Image

Learn React with TypeScript 3

By : Carl Rippon
Book Image

Learn React with TypeScript 3

By: Carl Rippon

Overview of this book

React today is one of the most preferred choices for frontend development. Using React with TypeScript enhances development experience and offers a powerful combination to develop high performing web apps. In this book, you’ll learn how to create well structured and reusable react components that are easy to read and maintain by leveraging modern web development techniques. We will start with learning core TypeScript programming concepts before moving on to building reusable React components. You'll learn how to ensure all your components are type-safe by leveraging TypeScript's capabilities, including the latest on Project references, Tuples in rest parameters, and much more. You'll then be introduced to core features of React such as React Router, managing state with Redux and applying logic in lifecycle methods. Further on, you'll discover the latest features of React such as hooks and suspense which will enable you to create powerful function-based components. You'll get to grips with GraphQL web API using Apollo client to make your app more interactive. Finally, you'll learn how to write robust unit tests for React components using Jest. By the end of the book, you'll be well versed with all you need to develop fully featured web apps with React and TypeScript.
Table of Contents (14 chapters)

Using axios with class components

axios is a popular open source JavaScript HTTP client. We're going to build a little React app that creates, reads, updates, and deletes posts from the JSONPlaceholder REST API. Along the way, we'll discover some of the benefits of axios over fetch. Our first job in the next section is to install axios.

Installing axios

Before we install axios, we are going to quickly create our little React app:

  1. In a folder of our choice, let's open Visual Studio Code and its Terminal and enter the following command to create a new React and TypeScript project:
npx create-react-app crud-api --typescript

Note that the version of React we use needs to be at least version 16.7.0-alpha.0. We...