From 6032af54056982624d089feec4b196a01d4e5a74 Mon Sep 17 00:00:00 2001
From: qiang <qw13131wang@gmail.com>
Date: Mon, 8 Jul 2024 20:09:12 +0800
Subject: [PATCH] fix(ssr): [tree-select] document is not defined (#17460)

---
 packages/components/tree-select/src/cache-options.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/components/tree-select/src/cache-options.ts b/packages/components/tree-select/src/cache-options.ts
index 9ac74b640f..b23afd2f39 100644
--- a/packages/components/tree-select/src/cache-options.ts
+++ b/packages/components/tree-select/src/cache-options.ts
@@ -1,5 +1,6 @@
 import { defineComponent, inject, watch } from 'vue'
 import { selectKey } from '@element-plus/components/select'
+import { isClient } from '@element-plus/utils'
 import type { SelectContext } from '@element-plus/components/select'
 import type { PropType } from 'vue'
 
@@ -33,6 +34,7 @@ export default defineComponent({
         // fork from packages/select/src/useSelect.ts#330
         const inputs = select.selectRef?.querySelectorAll('input') || []
         if (
+          isClient &&
           !Array.from(inputs).includes(
             document.activeElement as HTMLInputElement
           )