From c28c5c92d04c0ecf2f8cccc3951da6a84b0c0baf Mon Sep 17 00:00:00 2001
From: zealotchen <zealotchen@tencent.com>
Date: Mon, 30 Oct 2023 12:49:42 +0800
Subject: [PATCH] fix(dom): fix skip style diff update style map null

---
 dom/src/dom/dom_node.cc  | 11 +++++++++++
 dom/src/dom/root_node.cc |  4 +++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/dom/src/dom/dom_node.cc b/dom/src/dom/dom_node.cc
index 701db433487..ffebb72fe65 100644
--- a/dom/src/dom/dom_node.cc
+++ b/dom/src/dom/dom_node.cc
@@ -611,6 +611,13 @@ std::ostream& operator<<(std::ostream& os, const RefInfo& ref_info) {
   return os;
 }
 
+std::ostream& operator<<(std::ostream& os, const DiffInfo& diff_info) {
+  os << "{";
+  os << "\"skip_style_diff\": " << diff_info.skip_style_diff << ", ";
+  os << "}";
+  return os;
+}
+
 std::ostream& operator<<(std::ostream& os, const DomNode& dom_node) {
   os << "{";
   os << "\"id\": " << dom_node.id_ << ", ";
@@ -637,10 +644,14 @@ std::ostream& operator<<(std::ostream& os, const DomNode& dom_node) {
 std::ostream& operator<<(std::ostream& os, const DomInfo& dom_info) {
   auto dom_node = dom_info.dom_node;
   auto ref_info = dom_info.ref_info;
+  auto diff_info = dom_info.diff_info;
   os << "{";
   if (ref_info != nullptr) {
     os << "\"ref info\": " << *ref_info << ", ";
   }
+  if (diff_info != nullptr) {
+    os << "\"diff info\": " << *diff_info << ", ";
+  }
   if (dom_node != nullptr) {
     os << "\"dom node\": " << *dom_node << ", ";
   }
diff --git a/dom/src/dom/root_node.cc b/dom/src/dom/root_node.cc
index 5032eb5bdf7..290c0e954dd 100644
--- a/dom/src/dom/root_node.cc
+++ b/dom/src/dom/root_node.cc
@@ -157,7 +157,9 @@ void RootNode::UpdateDomNodes(std::vector<std::shared_ptr<DomInfo>>&& nodes) {
     if (!ext_update->empty()) {
       diff_value->insert(ext_update->begin(), ext_update->end());
     }
-    dom_node->SetStyleMap(node_info->dom_node->GetStyleMap());
+    if (!skip_style_diff) {
+      dom_node->SetStyleMap(node_info->dom_node->GetStyleMap());
+    }
     dom_node->SetExtStyleMap(node_info->dom_node->GetExtStyle());
     dom_node->SetDiffStyle(diff_value);