Using the Context
Explore how to manage global state in React applications by using context providers combined with the useReducer and useContext hooks. Understand how this approach simplifies passing data and updating state across multiple components without prop drilling. Learn to implement state management in key components and trigger UI updates efficiently.
We'll cover the following...
In React, we use a context by making a JSX element called a provider. We can see our provider in the returned JSX at the end of the file. We create a JSX element called VenueContext.Provider and place our existing Venue component inside it. We pass one prop to the provider, called value, which is an object with {state, dispatch}. That object syntax defines an object where the key and value have the same name. In other words, the object being passed to the prop is {state: state, dispatch: dispatch}.
As keys, state and dispatch are defined by the IsVenueContext ...