From ebdf89f798ec5b4f41d0aea973dbeabee0cb10e0 Mon Sep 17 00:00:00 2001
From: kotori <eggache_cat@qq.com>
Date: Wed, 19 Oct 2022 19:01:21 +0800
Subject: [PATCH] fix: totop event was only triggered for once

---
 src/virtual.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/virtual.js b/src/virtual.js
index 2435cb0..6fa8997 100644
--- a/src/virtual.js
+++ b/src/virtual.js
@@ -138,7 +138,7 @@ export default class Virtual {
 
   // calculating range on scroll
   handleScroll (offset) {
-    this.direction = offset < this.offset ? DIRECTION_TYPE.FRONT : DIRECTION_TYPE.BEHIND
+    this.direction = offset < this.offset || offset == 0 ? DIRECTION_TYPE.FRONT : DIRECTION_TYPE.BEHIND
     this.offset = offset
 
     if (!this.param) {