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React Projects

React Projects

By : Roy Derks
3.3 (10)
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React Projects

React Projects

3.3 (10)
By: Roy Derks

Overview of this book

Developed by Facebook, React is a popular library for building impressive user interfaces. React extends its capabilities to mobile platforms using the React Native framework and integrates with popular web and mobile tools to build scalable applications. React Projects is your guide to learning React development by using modern development patterns and integrating React with powerful web tools, such as GraphQL, Expo, and React 360. You'll start building a real-world project right from the first chapter and get hands-on with developing scalable applications as you advance to building more complex projects. Throughout the book, you'll use the latest versions of React and React Native to explore features such as routing, Context, and Hooks on multiple platforms, which will help you build full-stack web and mobile applications efficiently. Finally, you'll get to grips with unit testing with Jest and end-to-end testing with Cypress to build test-driven apps. By the end of this React book, you'll have developed the skills necessary to start building scalable React apps across web and mobile platforms.
Table of Contents (12 chapters)
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Code splitting with React Suspense

So far, we've focused mostly on adding new features, such as routing or state management, to our application. But not much focus has been devoted to making our application more performant, something that we can do with code splitting. A React feature called Suspense can be used for code splitting, which means you split the compiled code (your bundle) into smaller chunks. This will prevent the browser from downloading the entire bundle with your compiled code at once, and instead load your bundle in chunks depending on the components that are rendered by the browser.

Note

In the previous chapter, we used Next.js instead of Create React App to create our React application, which has code splitting enabled by default.

Suspense lets your components wait until the component you're importing is ready to be displayed. Before React 18 it could only be used for code splitting, but since the latest version of React it serves more purposes...

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