From 9ccda3e96ffcae09b360cb5005e74cf10b20ea73 Mon Sep 17 00:00:00 2001
From: vector <vectorse@126.com>
Date: Thu, 16 Feb 2023 19:04:46 +0800
Subject: [PATCH] fix: donot empty text when only has title elem (#3248)

---
 packages/x6-common/src/dom/text.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/x6-common/src/dom/text.ts b/packages/x6-common/src/dom/text.ts
index 98d7929d52e..4e1c9492fcc 100644
--- a/packages/x6-common/src/dom/text.ts
+++ b/packages/x6-common/src/dom/text.ts
@@ -198,7 +198,14 @@ export function text(
   const autoLineHeight = defaultLineHeight === 'auto'
   const lineHeight = autoLineHeight ? '1.5em' : defaultLineHeight || '1em'
 
-  empty(elem)
+  let needEmptyElem = true
+  const childs = elem.children
+  if (childs.length === 1 && childs[0].tagName.toUpperCase() === 'TITLE') {
+    needEmptyElem = false
+  }
+  if (needEmptyElem) {
+    empty(elem)
+  }
 
   attr(elem, {
     // Preserve spaces, do not consecutive spaces to get collapsed to one.