From 5586334549a7612381d8d53481e7829ab9266683 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@rwth-aachen.de>
Date: Tue, 19 Dec 2017 17:37:04 +0100
Subject: [PATCH] fix initial content in y-array

---
 src/Type/YArray.js         | 8 ++++++--
 src/Type/y-xml/YXmlHook.js | 5 +++++
 src/Type/y-xml/utils.js    | 2 +-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/Type/YArray.js b/src/Type/YArray.js
index 37eb2c6c..da67de64 100644
--- a/src/Type/YArray.js
+++ b/src/Type/YArray.js
@@ -207,8 +207,12 @@ export default class YArray extends Type {
           prevJsonIns._content.push(c)
         }
       }
-      if (prevJsonIns !== null && y !== null) {
-        prevJsonIns._integrate(y)
+      if (prevJsonIns !== null) {
+        if (y !== null) {
+          prevJsonIns._integrate(y)
+        } else if (prevJsonIns._left === null) {
+          this._start = prevJsonIns
+        }
       }
     })
   }
diff --git a/src/Type/y-xml/YXmlHook.js b/src/Type/y-xml/YXmlHook.js
index 86d28283..adef4368 100644
--- a/src/Type/y-xml/YXmlHook.js
+++ b/src/Type/y-xml/YXmlHook.js
@@ -24,6 +24,11 @@ export default class YXmlHook extends YMap {
     }
     return this._dom
   }
+  _unbindFromDom () {
+    this._dom._yxml = null
+    this._yxml = null
+    // TODO: cleanup hook?
+  }
   _fromBinary (y, decoder) {
     const missing = super._fromBinary(y, decoder)
     this.hookName = decoder.readVarString()
diff --git a/src/Type/y-xml/utils.js b/src/Type/y-xml/utils.js
index 984553ff..0e1b23d0 100644
--- a/src/Type/y-xml/utils.js
+++ b/src/Type/y-xml/utils.js
@@ -174,7 +174,7 @@ export function reflectChangesOnDom (events, _document) {
         // let anchorViewPosition = getAnchorViewPosition(yxml._scrollElement)
         if (yxml.constructor === YXmlText) {
           yxml._dom.nodeValue = yxml.toString()
-        } else {
+        } else if (event.attributesChanged !== undefined) {
           // update attributes
           event.attributesChanged.forEach(attributeName => {
             const value = yxml.getAttribute(attributeName)