From 37f93cbc71f4a020bc875ea67be3c1049a623c7c Mon Sep 17 00:00:00 2001
From: danranvm <danranvm@gmail.com>
Date: Thu, 13 Apr 2023 10:19:13 +0800
Subject: [PATCH] fix(cdk:scroll): the onScrolledBottom is not triggered

---
 .../cdk/scroll/src/virtual/composables/useScrollPlacement.ts  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/cdk/scroll/src/virtual/composables/useScrollPlacement.ts b/packages/cdk/scroll/src/virtual/composables/useScrollPlacement.ts
index db37a6148..8f0632598 100644
--- a/packages/cdk/scroll/src/virtual/composables/useScrollPlacement.ts
+++ b/packages/cdk/scroll/src/virtual/composables/useScrollPlacement.ts
@@ -59,7 +59,9 @@ export function useScrollPlacement(
     }
     callEmit(props.onScroll, evt)
 
-    if (newScrollTop >= maxScrollHeight.value) {
+    // 某些情况下(例如浏览器缩放), 会导致 scrollTop 出现小数，newScrollTop 始终小于 maxScrollHeight
+    // 所以对 newScrollTop 进行了向上取整，避免此种情况的出现。
+    if (Math.ceil(newScrollTop) >= maxScrollHeight.value) {
       callEmit(props.onScrolledBottom)
     }
   }