Allow supervision text content to update supervision caching

Author: danyill

oscd-subscriber-later-binding.ts

@@ -632,9 +632,8 @@ export default class SubscriberLaterBinding extends LitElement {
         element = edit.node as Element;
       }
 
-      if (element) {
+      if (element && element.nodeType === Node.ELEMENT_NODE) {
         if (element.tagName === 'ExtRef') handleExtRef(element);
-
         if (element.tagName === 'FCDA') handleFCDA(element);
 
         // need to track before and after to ensure that appropriate values
@@ -644,6 +643,20 @@ export default class SubscriberLaterBinding extends LitElement {
         if (isSupervision(element) && when === 'after' && !isRemove(edit))
           handleSupervision(element);
       }
+
+      // handle text content of Val element
+      if (
+        (isRemove(edit) || isInsert(edit)) &&
+        edit.node.nodeType === Node.TEXT_NODE
+      ) {
+        const valElement = edit.node?.parentElement!;
+        if (isSupervision(valElement)) {
+          if (isSupervision(valElement) && when === 'before' && isRemove(edit))
+            handleSupervision(valElement, true);
+          if (isSupervision(valElement) && when === 'after' && !isRemove(edit))
+            handleSupervision(valElement);
+        }
+      }
     });
   }