fix undo-redo

src/Type/y-xml/YXmlElement.js

@@ -20,8 +20,8 @@ export default class YXmlElement extends YXmlFragment {
       this._domFilter = arg2
     }
   }
-  _copy (undeleteChildren) {
-    let struct = super._copy(undeleteChildren)
+  _copy (undeleteChildren, copyPosition) {
+    let struct = super._copy(undeleteChildren, copyPosition)
     struct.nodeName = this.nodeName
     return struct
   }

src/Type/y-xml/YXmlFragment.js

@@ -152,18 +152,20 @@ export default class YXmlFragment extends YArray {
         attributes.set(key, attrs[key])
       }
     }
-    let result = this._domFilter(this.nodeName, new Map(attributes))
-    if (result === null) {
-      this._delete(this._y)
-    } else {
-      attributes.forEach((value, key) => {
-        if (!result.has(key)) {
-          this.removeAttribute(key)
-        }
+    this._y.transact(() => {
+      let result = this._domFilter(this.nodeName, new Map(attributes))
+      if (result === null) {
+        this._delete(this._y)
+      } else {
+        attributes.forEach((value, key) => {
+          if (!result.has(key)) {
+            this.removeAttribute(key)
+          }
+        })
+      }
+      this.forEach(xml => {
+        xml.setDomFilter(f)
       })
-    }
-    this.forEach(xml => {
-      xml.setDomFilter(f)
     })
   }
   _callObserver (transaction, parentSubs, remote) {

src/Type/y-xml/YXmlHook.js

@@ -14,6 +14,11 @@ export default class YXmlHook extends YMap {
       getHook(hookName).fillType(dom, this)
     }
   }
+  _copy (undeleteChildren, copyPosition) {
+    const struct = super._copy(undeleteChildren, copyPosition)
+    struct.hookName = this.hookName
+    return struct
+  }
   getDom (_document) {
     _document = _document || document
     if (this._dom === null) {