fix: handle Promise.reject case of Sentry.flush in with-sentry example

examples/with-sentry/pages/_error.js

@@ -39,22 +39,23 @@ MyError.getInitialProps = async ({ res, err, asPath }) => {
 
   if (err) {
     Sentry.captureException(err)
+  } else {
+    // 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}`)
+    )
+  }
 
+  try {
     // Flushing before returning is necessary if deploying to Vercel, see
     // https://vercel.com/docs/platform/limits#streaming-responses
     await Sentry.flush(2000)
-
-    return errorInitialProps
+  } catch (err) {
+    // no-empty
   }
 
-  // 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
 }
 

examples/with-sentry/pages/api/test4.js

@@ -5,11 +5,16 @@ async function handler(req, res) {
     throw new Error('API Test 4')
   } catch (error) {
     Sentry.captureException(error)
+
+    try {
+      // Flushing before returning is necessary if deploying to Vercel, see
+      // https://vercel.com/docs/platform/limits#streaming-responses
+      await Sentry.flush(2000)
+    } catch (err) {
+      // no-empty
+    }
   }
 
-  // Flushing before returning is necessary if deploying to Vercel, see
-  // https://vercel.com/docs/platform/limits#streaming-responses
-  await Sentry.flush(2000)
   res.status(200).json({ name: 'John Doe' })
 }
 

examples/with-sentry/pages/ssr/test4.js

@@ -8,9 +8,13 @@ export async function getServerSideProps() {
   } catch (error) {
     Sentry.captureException(error)
 
-    // Flushing before returning is necessary if deploying to Vercel, see
-    // https://vercel.com/docs/platform/limits#streaming-responses
-    await Sentry.flush(2000)
+    try {
+      // Flushing before returning is necessary if deploying to Vercel, see
+      // https://vercel.com/docs/platform/limits#streaming-responses
+      await Sentry.flush(2000)
+    } catch (err) {
+      // no-empty
+    }
   }
 
   return { props: {} }