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The React Workshop

The React Workshop

By : Brandon Richey , Ryan Yu , Endre Vegh , Theofanis Despoudis , Anton Punith , Florian Sloot
4.4 (10)
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The React Workshop

The React Workshop

4.4 (10)
By: Brandon Richey , Ryan Yu , Endre Vegh , Theofanis Despoudis , Anton Punith , Florian Sloot

Overview of this book

Are you interested in how React takes command of the view layer for web and mobile apps and changes the data of large web applications without needing to reload the page? This workshop will help you learn how and show you how to develop and enhance web apps using the features of the React framework with interesting examples and exercises. The workshop starts by demonstrating how to create your first React project. You’ll tap into React’s popular feature JSX to develop templates and use DOM events to make your project interactive. Next, you’ll focus on the lifecycle of the React component and understand how components are created, mounted, unmounted, and destroyed. Later, you’ll create and customize components to understand the data flow in React and how props and state communicate between components. You’ll also use Formik to create forms in React to explore the concept of controlled and uncontrolled components and even play with React Router to navigate between React components. The chapters that follow will help you build an interesting image-search app to fetch data from the outside world and populate the data to the React app. Finally, you’ll understand what ref API is and how it is used to manipulate DOM in an imperative way. By the end of this React book, you’ll have the skills you need to set up and create web apps using React.
Table of Contents (20 chapters)
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Preface

Introduction

In the previous chapter, we learned how to fetch data from servers using async/await and catch errors with the try/catch pattern. Also, we have further practiced how to use the async/await methods inside loops.

Now, let's consider a scenario. If you visit any of the popular social media sites, such as Instagram or Twitter, you get photos and content upon initial rendering of the web page and user interaction, such as clicking on a button or submitting a form, isn't necessary. In such a business use case, it is very common for an app to display content on initial rendering without any user interaction. In this chapter, we will look at the best way to fetch data upon initial rendering of a class-based component and how to achieve the same with a functional component.

Furthermore, for such scenarios, while fetching data from the server, we may encounter an issue with the component falling into an infinite loop due to re-rendering of the component. An example...

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