From 0e187f93a48011e14ad45dc8d0e50249e4d65e3a Mon Sep 17 00:00:00 2001
From: Welly Shen <hivoid19@gmail.com>
Date: Thu, 3 Jun 2021 22:00:21 +0800
Subject: [PATCH] fix: the callback of `scrollToItem` is called twice

---
 .changeset/stale-glasses-wonder.md | 5 +++++
 src/useVirtual.ts                  | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/stale-glasses-wonder.md

diff --git a/.changeset/stale-glasses-wonder.md b/.changeset/stale-glasses-wonder.md
new file mode 100644
index 00000000..4bb9a978
--- /dev/null
+++ b/.changeset/stale-glasses-wonder.md
@@ -0,0 +1,5 @@
+---
+"react-cool-virtual": patch
+---
+
+fix: the callback of `scrollToItem` is called twice
diff --git a/src/useVirtual.ts b/src/useVirtual.ts
index 2c75d6a7..3fc3632a 100644
--- a/src/useVirtual.ts
+++ b/src/useVirtual.ts
@@ -232,11 +232,14 @@ export default <
 
       if (
         hasDynamicSizeRef.current &&
+        align === Align.auto &&
         scrollOffset <= start &&
         scrollOffset + outerSize >= end &&
         cb
-      )
+      ) {
         cb();
+        return;
+      }
 
       const endPos = start - outerSize + size;