avoid noop insertBefore

re-inserting in same place can disrupt composition
quilljs · Mar 9, 2018 · 17f6123 · 17f6123 · icewind7030 · Apr 3, 2018
1 parent d22ff1b
commit 17f6123
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/blot/abstract/shadow.ts b/src/blot/abstract/shadow.ts
@@ -98,7 +98,8 @@ class ShadowBlot implements Blot {
     if (refBlot != null) {
       refDomNode = refBlot.domNode;
     }
-    if (this.next == null || this.domNode.nextSibling != refDomNode) {
+    if (this.domNode.parentNode != parentBlot.domNode ||
+        this.domNode.nextSibling != refDomNode) {
       parentBlot.domNode.insertBefore(this.domNode, refDomNode);
     }
     this.parent = parentBlot;