Fix [Object object] in MDX output (#4180)

* fix: use stringifyChunk in `renderToString` fn * chore: add changeset Co-authored-by: Nate Moore <nate@astro.build>
withastro · Aug 5, 2022 · c56a922 · c56a922
1 parent c9b679e
commit c56a922
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diff --git a/.changeset/purple-mirrors-smile.md b/.changeset/purple-mirrors-smile.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix edge case where Astro component would render [Object object] when using MDX
diff --git a/packages/astro/src/runtime/server/index.ts b/packages/astro/src/runtime/server/index.ts
@@ -752,7 +752,7 @@ export async function renderToString(
 
 	let html = '';
 	for await (const chunk of renderAstroComponent(Component)) {
-		html += chunk;
+		html += stringifyChunk(result, chunk);
 	}
 	return html;
 }