From bb22ebd58866f4b14f8fa07a27b0ccdc9d06595a Mon Sep 17 00:00:00 2001
From: dan <dan.abramov@gmail.com>
Date: Fri, 1 Dec 2023 22:05:10 +0000
Subject: [PATCH] Fix scroll jump on Back (#2067)

---
 src/view/com/pager/PagerWithHeader.tsx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/view/com/pager/PagerWithHeader.tsx b/src/view/com/pager/PagerWithHeader.tsx
index 487c589e..2d3b0cec 100644
--- a/src/view/com/pager/PagerWithHeader.tsx
+++ b/src/view/com/pager/PagerWithHeader.tsx
@@ -69,13 +69,19 @@ export const PagerWithHeader = React.forwardRef<PagerRef, PagerWithHeaderProps>(
     // capture the header bar sizing
     const onTabBarLayout = React.useCallback(
       (evt: LayoutChangeEvent) => {
-        setTabBarHeight(evt.nativeEvent.layout.height)
+        const height = evt.nativeEvent.layout.height
+        if (height > 0) {
+          setTabBarHeight(height)
+        }
       },
       [setTabBarHeight],
     )
     const onHeaderOnlyLayout = React.useCallback(
       (evt: LayoutChangeEvent) => {
-        setHeaderOnlyHeight(evt.nativeEvent.layout.height)
+        const height = evt.nativeEvent.layout.height
+        if (height > 0) {
+          setHeaderOnlyHeight(height)
+        }
       },
       [setHeaderOnlyHeight],
     )