Fill basic twitter metadata with opengraph when missing

vercel · Jun 6, 2023 · 6ac733a · 6ac733a
1 parent 1e0566b
commit 6ac733a
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Showing 2 changed files with 28 additions and 1 deletion.
diff --git a/packages/next/src/lib/metadata/resolve-metadata.ts b/packages/next/src/lib/metadata/resolve-metadata.ts
@@ -444,5 +444,19 @@ export async function accumulateMetadata(
     }
   }
 
-  return resolvedMetadata
+  return postProcessMetadata(resolvedMetadata)
+}
+
+function postProcessMetadata(metadata: ResolvedMetadata): ResolvedMetadata {
+  const { openGraph, twitter } = metadata
+  if (openGraph && !twitter) {
+    const overlappedProps = {
+      title: openGraph.title,
+      description: openGraph.description,
+      images: openGraph.images,
+    }
+    const twitter = resolveTwitter(overlappedProps, metadata.metadataBase)
+    metadata.twitter = twitter
+  }
+  return metadata
 }
diff --git a/test/e2e/app-dir/metadata/metadata.test.ts b/test/e2e/app-dir/metadata/metadata.test.ts
@@ -500,6 +500,19 @@ createNextDescribe(
           'og:image:height': ['600', '1600'],
           'og:image:alt': 'My custom alt',
         })
+
+        await matchMultiDom('meta', 'name', 'content', {
+          'twitter:card': 'summary',
+          'twitter:title': 'My custom title',
+          'twitter:description': 'My custom description',
+          'twitter:image': [
+            'https://example.com/image.png',
+            'https://example.com/image2.png',
+          ],
+          'twitter:image:width': ['800', '1800'],
+          'twitter:image:height': ['600', '1600'],
+          'twitter:image:alt': 'My custom alt',
+        })
       })
 
       it('should support opengraph with article type', async () => {