From c42a1205b1060e9b9c75754f482bc86609e3771b Mon Sep 17 00:00:00 2001
From: Pavel Feldman <pavel.feldman@gmail.com>
Date: Wed, 1 Mar 2023 13:44:58 -0800
Subject: [PATCH] chore: do not generate history entries on snapshot switch
 (#21283)

---
 packages/trace-viewer/src/ui/snapshotTab.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/trace-viewer/src/ui/snapshotTab.tsx b/packages/trace-viewer/src/ui/snapshotTab.tsx
index 9aaa4d50ad..1446e4ad43 100644
--- a/packages/trace-viewer/src/ui/snapshotTab.tsx
+++ b/packages/trace-viewer/src/ui/snapshotTab.tsx
@@ -91,7 +91,12 @@ export const SnapshotTab: React.FunctionComponent<{
       if (!iframeRef.current)
         return;
       try {
-        iframeRef.current.src = snapshotUrl + (pointX === undefined ? '' : `&pointX=${pointX}&pointY=${pointY}`);
+        const newUrl = snapshotUrl + (pointX === undefined ? '' : `&pointX=${pointX}&pointY=${pointY}`);
+        // Try preventing history entry from being created.
+        if (iframeRef.current.contentWindow)
+          iframeRef.current.contentWindow.location.replace(newUrl);
+        else
+          iframeRef.current.src = newUrl;
       } catch (e) {
       }
     })();