What should React context be used for?

Context is primarily used when some data needs to be accessible by many components at different nesting levels . Apply it sparingly because it makes component reuse more difficult. If you only want to avoid passing some props through many levels, component composition is often a simpler solution than context.

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Is Context global state?

The Context API is here to solve some of those conundrums by: Centralizing a global application state : Instead of being limited to local states on views, you can now share data on one central component and spread to its inner components (children, grandchildren and so forth).

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What is global context in React?

Context is designed to share data that can be considered “global” for a tree of React components, such as the current authenticated user, theme, or preferred language . For example, in the code below we manually thread through a “theme” prop in order to style the Button component: class App extends React.

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