From f496866a26a492ea65c0b7dc3bc9324a71c7158b Mon Sep 17 00:00:00 2001
From: xiamiao1121 <74885998+xiamiao1121@users.noreply.github.com>
Date: Wed, 24 Jul 2024 17:21:39 +0800
Subject: [PATCH] =?UTF-8?q?fix(tree):=20=E4=BF=AE=E5=A4=8DFirefox=E4=B8=AD?=
 =?UTF-8?q?=E7=BB=84=E4=BB=B6=E6=8B=96=E6=8B=BD=E6=8A=A5=E9=94=99=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98(#2941)=20(#2943)?=
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* fix(tree): 修复Firefox中组件拖拽报错问题(#2941)

* chore(tree): 生成变更记录文件

* chore(tree): 添加注释

---------

Co-authored-by: xiamiao <xiamiao@xiaomi.com>
---
 .changeset/chilly-squids-talk.md  | 5 +++++
 .changeset/lemon-fireants-glow.md | 5 +++++
 packages/ui/tree/src/TreeNode.tsx | 6 +++++-
 3 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/chilly-squids-talk.md
 create mode 100644 .changeset/lemon-fireants-glow.md

diff --git a/.changeset/chilly-squids-talk.md b/.changeset/chilly-squids-talk.md
new file mode 100644
index 000000000..3a9377e71
--- /dev/null
+++ b/.changeset/chilly-squids-talk.md
@@ -0,0 +1,5 @@
+---
+"@hi-ui/tree": patch
+---
+
+fix: 修复 Firefox 中组件拖拽报错问题
diff --git a/.changeset/lemon-fireants-glow.md b/.changeset/lemon-fireants-glow.md
new file mode 100644
index 000000000..1ee2ece32
--- /dev/null
+++ b/.changeset/lemon-fireants-glow.md
@@ -0,0 +1,5 @@
+---
+"@hi-ui/hiui": patch
+---
+
+fix(tree): 修复 Firefox 中组件拖拽报错问题
diff --git a/packages/ui/tree/src/TreeNode.tsx b/packages/ui/tree/src/TreeNode.tsx
index c1ded2867..ec3810735 100644
--- a/packages/ui/tree/src/TreeNode.tsx
+++ b/packages/ui/tree/src/TreeNode.tsx
@@ -92,6 +92,8 @@ export const TreeNode = forwardRef<HTMLLIElement | null, TreeNodeProps>((props,
 
       const { id } = eventNodeRef.current
 
+      // 清空数据，下面会重新设置
+      evt.dataTransfer.clearData()
       evt.stopPropagation()
 
       setIsDragging(true)
@@ -108,7 +110,9 @@ export const TreeNode = forwardRef<HTMLLIElement | null, TreeNodeProps>((props,
     (evt: React.DragEvent) => {
       evt.preventDefault()
       evt.stopPropagation()
-      evt.dataTransfer.clearData()
+      // issue: https://github.com/XiaoMi/hiui/issues/2941
+      // 在firefox中拖拽结束后，清除数据会报错，Modifications are not allowed for this document，所以这里注释掉
+      // evt.dataTransfer.clearData()
       dragNodeRef.current = null
       setDirection(null)
       setIsDragging(false)