From 8e89509008b9cb62891c28c9dc2a732df07987e9 Mon Sep 17 00:00:00 2001
From: Raymond Zhao <7199958+rzhao271@users.noreply.github.com>
Date: Mon, 10 Apr 2023 10:01:12 -0700
Subject: [PATCH] Fix notebook-renderers compile error (#179506)

---
 extensions/notebook-renderers/src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/extensions/notebook-renderers/src/index.ts b/extensions/notebook-renderers/src/index.ts
index 9cc5a3c8f0629..973e65b3f9a09 100644
--- a/extensions/notebook-renderers/src/index.ts
+++ b/extensions/notebook-renderers/src/index.ts
@@ -218,7 +218,10 @@ function findScrolledHeight(scrollableElement: HTMLElement): number | undefined
 }
 
 function scrollingEnabled(output: OutputItem, options: RenderOptions) {
-	return output.metadata?.scrollable !== undefined ? output.metadata?.scrollable : options.outputScrolling;
+	const metadata = output.metadata;
+	return (typeof metadata === 'object' && metadata
+		&& 'scrollable' in metadata && typeof metadata.scrollable === 'boolean') ?
+		metadata.scrollable : options.outputScrolling;
 }
 
 function renderStream(outputInfo: OutputItem, outputElement: HTMLElement, error: boolean, ctx: IRichRenderContext): IDisposable {