From 9f8ac018787016628aa091a4a1f5042c8dcfed52 Mon Sep 17 00:00:00 2001
From: Lucas Weng <30640930+lucasweng@users.noreply.github.com>
Date: Mon, 16 Sep 2024 22:17:49 +0800
Subject: [PATCH] fix(virtual-core): ensure getTotalSize returns 0 for empty
 list (#836)

---
 packages/virtual-core/src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/virtual-core/src/index.ts b/packages/virtual-core/src/index.ts
index 6892ed51..2b3d4ff1 100644
--- a/packages/virtual-core/src/index.ts
+++ b/packages/virtual-core/src/index.ts
@@ -1003,7 +1003,10 @@ export class Virtualizer<
             )
     }
 
-    return end - this.options.scrollMargin + this.options.paddingEnd
+    return Math.max(
+      end - this.options.scrollMargin + this.options.paddingEnd,
+      0,
+    )
   }
 
   private _scrollToOffset = (