X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/976db4132cdb68bddb5a185d74a053355f91e549..562687ce72e709d485aa47773117a51a764a6606:/services/workbench2/src/components/multiselect-toolbar/ms-toolbar-overflow-wrapper.tsx

diff --git a/services/workbench2/src/components/multiselect-toolbar/ms-toolbar-overflow-wrapper.tsx b/services/workbench2/src/components/multiselect-toolbar/ms-toolbar-overflow-wrapper.tsx
index d50d1f3f28..5c1c433712 100644
--- a/services/workbench2/src/components/multiselect-toolbar/ms-toolbar-overflow-wrapper.tsx
+++ b/services/workbench2/src/components/multiselect-toolbar/ms-toolbar-overflow-wrapper.tsx
@@ -46,13 +46,13 @@ export const IntersectionObserverWrapper = withStyles(styles)((props: WrapperPro
     const navRef = useRef<any>(null);
     const [visibilityMap, setVisibilityMap] = useState<Record<string, boolean>>({});
     const [numHidden, setNumHidden] = useState(() => findNumHidden(visibilityMap));
-
     const prevNumHidden = useRef(numHidden);
-
+    
     const handleIntersection = (entries) => {
         const updatedEntries: Record<string, boolean> = {};
         entries.forEach((entry) => {
             const targetid = entry.target.dataset.targetid as string;
+            //if true, the element is visible
             if (entry.isIntersecting) {
                 updatedEntries[targetid] = true;
             } else {
@@ -67,8 +67,9 @@ export const IntersectionObserverWrapper = withStyles(styles)((props: WrapperPro
         }));
     };
 
+    //ensures that the last element is always visible if the second to last is visible
     useEffect(() => {
-        if (prevNumHidden.current === 2 && numHidden === 1) {
+        if ((prevNumHidden.current > 1 || prevNumHidden.current === 0) && numHidden === 1) {
             setVisibilityMap((prev) => ({
                 ...prev,
                 [lastEntryId]: true,
@@ -125,7 +126,7 @@ export const IntersectionObserverWrapper = withStyles(styles)((props: WrapperPro
                     visibilityMap={visibilityMap}
                     className={classes.overflowStyle}
                 >
-                    {children}
+                    {children.filter((child) => !child.props['data-targetid'].includes("Divider"))}
                 </OverflowMenu>
             )}
         </div>