woops

src/layouts/BlogPost.astro

@@ -8,9 +8,9 @@ type Props = CollectionEntry<"blog">["data"] & { slug: string };
 const { title, description, pubDate, updatedDate, heroImage, slug } =
   Astro.props;
 
-export const buildOGURL = (title: string | undefined) => {
+export const buildOGURL = (slug: string | undefined) => {
   const url = new URL("https://image.memp.dev/api");
-  title && url.searchParams.set("title", `/${slug}`);
+  slug && url.searchParams.set("title", `/${slug}`);
   return url.toString();
 };
 ---
@@ -19,7 +19,7 @@ export const buildOGURL = (title: string | undefined) => {
   <article class="flex w-full flex-col items-center gap-6">
     {title && <h1 class="text-center text-4xl font-bold">{title}</h1>}
     <img
-      src={heroImage || buildOGURL(title)}
+      src={heroImage || buildOGURL(slug)}
       alt=""
       class="mb-6 w-full rounded-xl shadow-lg md:max-w-4xl"
     />

src/pages/blog/[...slug].astro

@@ -15,11 +15,7 @@ const post = Astro.props;
 const { Content } = await post.render();
 ---
 
-<BlogPost
-  {...post.data}
-  slug={post.slug}
-  heroImage={buildOGURL(post.data.title)}
->
+<BlogPost {...post.data} slug={post.slug} heroImage={buildOGURL(post.slug)}>
   <Content />
   <script
     src="https://utteranc.es/client.js"