How can I set up a global configuration for SWR in Next.js?

How can I set up a global configuration for SWR in Next.js?

To set up a global configuration for SWR in Next.js, you can create a custom SWR configuration in your _app.js file.

What kind of settings can I configure globally?

You can configure settings like refreshInterval, fetcher, and onError globally to manage your data fetching.

Can you show me an example of how to implement this?

Sure! Here's a simple example:

import { SWRConfig } from 'swr';

function MyApp({ Component, pageProps }) {
  return (
    <SWRConfig value={{ fetcher: fetch, refreshInterval: 3000 }}>
      <Component {...pageProps} />
    </SWRConfig>
  );
}

What if I want to handle errors globally?

You can add an onError function in the SWRConfig to handle errors globally. For example:

<SWRConfig value={{ onError: (err) => console.error(err) }}>