How do I handle errors in SWR?

How do I handle errors in SWR?

In SWR, you can handle errors by using the error property returned from the hook. You can check if there's an error and display a message accordingly.

Can you show me a code example?

Sure! Here's a simple example:

const { data, error } = useSWR('/api/data');

if (error) return <div>Error loading data</div>;
if (!data) return <div>Loading...</div>;

return <div>{data}</div>;

What if I want to retry fetching data after an error?

You can use the revalidateOnFocus and refreshInterval options in SWR to automatically retry fetching data.

Is there a way to customize the error message?

Yes, you can customize the error message by checking the error type and displaying a specific message based on that.