allow skip child when serialize node and rebuild node

index.d.ts

@@ -10,10 +10,12 @@ export function serializeNodeWithId(
   n: Node,
   doc: Document,
   map: idNodeMap,
+  skipChild?: boolean,
 ): serializedNodeWithId | null;
 export function resetId(): void;
 export function buildNodeWithSN(
   n: serializedNodeWithId,
   doc: Document,
   map: idNodeMap,
+  skipChild?: boolean,
 ): INode | null;

src/rebuild.ts

@@ -166,6 +166,7 @@ export function buildNodeWithSN(
   n: serializedNodeWithId,
   doc: Document,
   map: idNodeMap,
+  skipChild = false,
 ): INode | null {
   let node = buildNode(n, doc);
   if (!node) {
@@ -179,7 +180,10 @@ export function buildNodeWithSN(
 
   (node as INode).__sn = n;
   map[n.id] = node as INode;
-  if (n.type === NodeType.Document || n.type === NodeType.Element) {
+  if (
+    (n.type === NodeType.Document || n.type === NodeType.Element) &&
+    !skipChild
+  ) {
     for (const childN of n.childNodes) {
       const childNode = buildNodeWithSN(childN, doc, map);
       if (!childNode) {

src/snapshot.ts

@@ -175,6 +175,7 @@ export function serializeNodeWithId(
   n: Node,
   doc: Document,
   map: idNodeMap,
+  skipChild = false,
 ): serializedNodeWithId | null {
   const _serializedNode = serializeNode(n, doc);
   if (!_serializedNode) {
@@ -188,8 +189,9 @@ export function serializeNodeWithId(
   (n as INode).__sn = serializedNode;
   map[serializedNode.id] = n as INode;
   if (
-    serializedNode.type === NodeType.Document ||
+    (serializedNode.type === NodeType.Document ||
-    serializedNode.type === NodeType.Element
+      serializedNode.type === NodeType.Element) &&
+    !skipChild
   ) {
     for (const childN of Array.from(n.childNodes)) {
       const serializedChildNode = serializeNodeWithId(childN, doc, map);