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. 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. It was made to make consuming data easier. Why? Because context was not made as an entire state management system. Redux is used for large projects where there are high-frequency state updates So I. That said, they both allow you to pass data without having to pass the props through multiple layers of components. Redux can be particularly useful for large-scale applications with complex data flow, where it can help keep the applications state more organized and maintainable. Location-specific data (like user language or locale)ĭata should be placed on React context that does not need to be updated often. Context API is used for small projects where changes in state are minimum. Both Redux and Reacts Context API deal with 'prop drilling'.User data (the currently authenticated user) Context provides a way to pass data through the component tree without having to pass props down manually at every level.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?.Refresh the page, check Medium ’s site status, or find something. You will learn everything you need to know with simple, step-by-step examples. Context API + useReducer by Mohsen Taleb Medium 500 Apologies, but something went wrong on our end. 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. Its up to Redux to actually update its implementation to adhere with the latest Context API. So you should feel much safer using context via React Redux than directly because if it changes, the burden of updating the code will be on React Redux and not you. It lets you easily share state in your applications. React Redux uses context internally but it doesn’t expose this fact in the public API. React context is an essential tool for every React developer to know.
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