_error.tsx•2.42 kB
import NextErrorComponent from "next/error";
import * as Sentry from "@sentry/nextjs";
function MyError({
statusCode,
hasGetInitialPropsRun,
err,
}: {
statusCode: number;
hasGetInitialPropsRun: boolean;
err: any;
}) {
if (!hasGetInitialPropsRun && err) {
// getInitialProps is not called in case of
// https://github.com/vercel/next.js/issues/8592. As a workaround, we pass
// err via _app.js so it can be captured
Sentry.captureException(err);
// Flushing is not required in this case as it only happens on the client
}
return <NextErrorComponent statusCode={statusCode} />;
}
MyError.getInitialProps = async (context: any) => {
const errorInitialProps = await NextErrorComponent.getInitialProps(context);
const { res, err, asPath } = context;
// Workaround for https://github.com/vercel/next.js/issues/8592, mark when
// getInitialProps has run
// @ts-ignore
errorInitialProps.hasGetInitialPropsRun = true;
// Returning early because we don't want to log 404 errors to Sentry.
if (res?.statusCode === 404) {
return errorInitialProps;
}
// Running on the server, the response object (`res`) is available.
//
// Next.js will pass an err on the server if a page's data fetching methods
// threw or returned a Promise that rejected
//
// Running on the client (browser), Next.js will provide an err if:
//
// - a page's `getInitialProps` threw or returned a Promise that rejected
// - an exception was thrown somewhere in the React lifecycle (render,
// componentDidMount, etc) that was caught by Next.js's React Error
// Boundary. Read more about what types of exceptions are caught by Error
// Boundaries: https://reactjs.org/docs/error-boundaries.html
if (err) {
Sentry.captureException(err);
// Flushing before returning is necessary if deploying to Vercel, see
// https://vercel.com/docs/platform/limits#streaming-responses
await Sentry.flush(2000);
return errorInitialProps;
}
// If this point is reached, getInitialProps was called without any
// information about what the error might be. This is unexpected and may
// indicate a bug introduced in Next.js, so record it in Sentry
Sentry.captureException(
new Error(`_error.js getInitialProps missing data at path: ${asPath}`),
);
await Sentry.flush(2000);
return errorInitialProps;
};
export default MyError;