Context as a Provider
Explore how React 19 enhances the Context API by introducing a cleaner provider syntax that simplifies sharing dynamic values across nested components. Learn to create context providers for themes, languages, and user authentication, enabling more maintainable and predictable component logic through practical examples.
React applications often need to share data, such as theme, user information, or language preferences, across deeply nested components. Without a shared mechanism, this results in repetitive prop drilling and scattered logic. React’s Context API solves this by allowing components to access shared values without manually passing props, and introduces a cleaner way to declare providers that makes your code more intuitive and maintainable.
What a context provider does
A provider makes a value accessible to all components inside its tree. The value can be a string, number, object, or function, and React simply stores whatever you pass ...