Update codeit.js

Author: benhatsor

lib/codeit.js

@@ -1464,7 +1464,9 @@ class CodeitElement extends HTMLElement {
           // start looking for adjacent nodes
           if (caretPosInText > 0) {
 
-            return getCaretTextNode(startPos-1);
+            const [node, offset] = getCaretTextNode(startPos-1);
+
+            return [node, offset];
 
           } else {