Update filebrowser.js

Author: benhatsor

filebrowser.js

@@ -3010,8 +3010,11 @@ function onEditorScroll() {
 
 }
 
+
 function updateScrollbarArrow() {
 
+  console.log('[Scrollbar arrows] Updated');
+
   // if codeit is horizontally scrollable
   if (cd.scrollWidth > cd.clientWidth) {
 
@@ -3027,6 +3030,10 @@ function updateScrollbarArrow() {
 
 }
 
+// when codeit resizes, update
+new ResizeObserver(updateScrollbarArrow).observe(cd);
+
+
 // check for meta key (Ctrl/Command)
 function isKeyEventMeta(event) {
   return event.metaKey || event.ctrlKey;