add optional guard

chrismwilliams · May 7, 2024 · c708a84 · c708a84
1 parent 3d2f678
commit c708a84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/data/post.ts b/src/data/post.ts
@@ -33,7 +33,7 @@ export function groupPostsByYear(posts: CollectionEntry<"post">[]) {
 		if (!acc[year]) {
 			acc[year] = [];
 		}
-		acc[year].push(post);
+		acc[year]?.push(post);
 		return acc;
 	}, {});
 }