How to use React Context with TypeScript

The article provides a comprehensive guide on using the React Context API with TypeScript to manage shared state across components, particularly in scenarios where data is not complex enough for state managers like Redux. It explains how the Context API facilitates the sharing of global data such as authentication details, themes, and localization preferences without prop drilling. The guide includes a tutorial on building a to-do app using React Context to manage tasks and theming, detailing the setup process with Create React App, TypeScript type definitions, and context creation. It also covers implementing a context reducer for managing complex shared states, discusses common TypeScript challenges such as type assertion and handling null values, and introduces contextType for accessing context values in class components. The article emphasizes best practices to avoid context overuse, which can lead to performance issues, and provides solutions like memoization and conditional fetching to optimize context usage. Additionally, it touches on using tools like LogRocket for monitoring and enhancing user experience in web applications.