From 420d4ff75c1f72f943a9e034d7ece9751c0d8e00 Mon Sep 17 00:00:00 2001
From: betavs <34408516+betavs@users.noreply.github.com>
Date: Wed, 14 May 2025 14:31:48 +0800
Subject: [PATCH] fix(components): [cascader] safeguard arrow modifier access
 in popper options (#20732)

fix(components): [cascader] safeguard arrow modifier
---
 packages/components/cascader/src/cascader.vue | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/components/cascader/src/cascader.vue b/packages/components/cascader/src/cascader.vue
index 55dd9d6714..e03b11b092 100644
--- a/packages/components/cascader/src/cascader.vue
+++ b/packages/components/cascader/src/cascader.vue
@@ -252,7 +252,9 @@ const popperOptions: Partial<Options> = {
       fn: ({ state }) => {
         const { modifiersData, placement } = state as any
         if (['right', 'left', 'bottom', 'top'].includes(placement)) return
-        modifiersData.arrow.x = 35
+        if (modifiersData.arrow) {
+          modifiersData.arrow.x = 35
+        }
       },
       requires: ['arrow'],
     },