From 0abd121653b55047626d34f282441f67411a5c3a Mon Sep 17 00:00:00 2001
From: Andrew Schlackman <schlackman@sei.cmu.edu>
Date: Sun, 12 Jul 2020 10:07:47 -0400
Subject: [PATCH] fix renderer pause again with handling of undefined

---
 src/browser/services/RenderService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/services/RenderService.ts b/src/browser/services/RenderService.ts
index ca8f91021..5c91ebaf0 100644
--- a/src/browser/services/RenderService.ts
+++ b/src/browser/services/RenderService.ts
@@ -86,7 +86,7 @@ export class RenderService extends Disposable implements IRenderService {
   }
 
   private _onIntersectionChange(entry: IntersectionObserverEntry): void {
-    this._isPaused = entry.intersectionRatio === 0;
+    this._isPaused = entry.isIntersecting === undefined ? (entry.intersectionRatio === 0) : !entry.isIntersecting;
     if (!this._isPaused && this._needsFullRefresh) {
       this.refreshRows(0, this._rowCount - 1);
       this._needsFullRefresh = false;