![]() In this application, we have access to theme data that we want to pass as a prop to all of our app's components.Īs you can see, however, the direct children of App, such as Header, also have to pass the theme data down using props. Props drilling is a term to describe when you pass props down multiple levels to a nested component, through components that don't need it. Fortunately, React provides a built-in feature known as the context API that helps teleport data to the components that need it without passing props. React context helps us avoid the problem of props drilling. You can think of React context as the equivalent of global variables for our React components. React Context API is a powerful feature introduced in ReactJS that simplifies state management and enables efficient data sharing between components. It was made to make consuming data easier. Although the value is passed to ThemeButton.js and. Why? Because context was not made as an entire state management system. In the previous article, we directly passed the theme via the Provider component. Location-specific data (like user language or locale)ĭata should be placed on React context that does not need to be updated often. Reacts context allows you to share information to any component, by storing it in a central place and allowing access to any component that requests it (.User data (the currently authenticated user).React context is great when you are passing data that can be used in any component in your application. In other words, React context allows us to share data (state) across our components more easily. React context allows us to pass down and use (consume) data in whatever component we need in our React app without using props. What problems does React context solve?.You will learn everything you need to know with simple, step-by-step examples. What is React context React context allows us to pass down and use (consume) data in whatever component we need in our React app without using props. In this comprehensive guide, we will cover what React context is, how to use it, when and when not to use context, and lots more.Įven if you've never worked with React context before, you're in the right place. Before I go on, let me recommend something to you. ![]() In this post, you'll learn how to use the context concept in React. global state, theme, services, user settings, and more. The context is used to manage global data, e.g. It lets you easily share state in your applications. React context provides data to components no matter how deep they are in the components tree. React context is an essential tool for every React developer to know. Learn how to nest multiple Providers of the same and different Context type inside of.
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