Manually Perform Refetch Button Click with React Query
React Query is a powerful library for managing server state in React applications. One of its key features is the ability to refetch data manually, giving developers more control over when and how data is fetched from the server.
Key Concepts
React Query uses the concept of queries to manage data fetching. A query is an object that represents a request to the server for a specific piece of data. Queries can be configured to automatically refetch data at regular intervals, or they can be refetched manually by calling the refetch method.
To manually refetch data in a React component, you can use the useQuery hook provided by React Query. This hook returns an object that contains information about the query, including its current status (isLoading) and the data returned from the server (data). To manually refetch data, you can call the refetch method on the query object.
Applications
Manually refetching data can be useful in a variety of situations. For example, you might want to give users the ability to manually refresh a list of items in order to see the most up-to-date information. Or, you might want to refetch data when a user performs a specific action, such as submitting a form.
Significance
Manually refetching data is an important aspect of building responsive and dynamic React applications. By giving developers more control over when and how data is fetched, React Query makes it easier to build complex and interactive user interfaces.
Code Example
Here is an example of how to use the useQuery hook to manually refetch data in a React component:
import { useQuery } from 'react-query';
function Albums() {
const { isLoading, data, refetch } = useQuery('albums', () =>
fetch('/api/albums').then(res => res.json())
);
return (
{isLoading ? (
Loading...
) : (
{data.map(album => (
- {album.title}
))}
)}
);
}
- React Query is a library for managing server state in React applications
- Queries can be configured to automatically refetch data or be refetched manually
- The
useQueryhook returns an object with information about the query, including its current status and the data returned from the server - To manually refetch data, call the
refetchmethod on the query object