React and React Native: Build cross-platform JavaScript and TypeScript apps for web and mobile

Get a big-picture view of modern React and React Native and see how they go hand-in-hand, covering TypeScript development, Vite, state management strategies, unit testing with Vitest, advanced techniques, and AI tips and tricks.Free with your book: DRM-free PDF version + access to Packt's next-gen Reader*Key FeaturesNew update:TypeScript, React frameworks, state management strategies, unit testing, and AI-powered productivity.Get to grips with React fundamentals and modern React techniques and architectureBroaden your React expertise through mobile development with React NativeBook DescriptionWelcome to your big-picture guide to the React ecosystem.If you’re new to React and looking to become a professional React developer, this book is for you. This updated sixth edition reflects the current state of React, including coverage of React frameworks and TypeScript.Part 1 introduces you to React. You’ll discover JSX syntax, hooks, functional components, and event handling, learn techniques to fetch data from a server, and tackle the tricky problem of state management. Once you’re comfortable with writing React in JavaScript, you’ll pick up TypeScript development in later chapters.Part 2 transitions you into React Native for mobile development. React Native goes hand-in-hand with React. With your React knowledge in place, you’ll appreciate where and how React Native differs as you write shared components for Android and iOS apps. You’ll learn how to build responsive layouts, use animations, and implement geolocation.Finally, a new chapter shows you how to use AI as a learning partner, covering practical workflows for AI-assisted debugging, evaluating AI-generated code, recognizing common pitfalls in React and React Native output, and writing code deliberately to deepen your understanding.By the end of this book, you’ll have a big-picture view of React and React Native, and be able to build applications with both.What you will learnExplore React architecture, component properties, state, and contextWork with React Hooks for handling functions and componentsFetch data from a server using the Fetch API, GraphQL, and WebSocketsDive into internal and external state management strategiesBuild robust user interfaces (UIs) for web apps using Material-UIPerform unit testing for your components with Vitest and mocking techniquesManage app performance with server-side rendering, lazy components, and SuspenseWho this book is forThis book is for any JavaScript or TypeScript developer who wants to start learning how to use React and React Native for web and mobile app development.No prior knowledge of React or React Native is required. However, a working knowledge of JavaScript is necessary to be able to follow along with the content covered.Table of ContentsWhy React?Rendering with JSXUnderstanding React Components and HooksEvent Handling in the React WayCrafting Reusable ComponentsType-Checking and Validation with TypeScriptHandling Navigation with RoutesCode Splitting Using Lazy Components and SuspenseUser Interface Framework ComponentsHigh-Performance State UpdatesFetching Data from a ServerState Management in ReactServer-Side RenderingUnit Testing in ReactWhy React Native?(N.B. Please use the Read Sample option to see further chapters)*Email sign-up and proof of purchase required Read more