Ensure isSubRowSelected returns false if no subRows are selctable

packages/table-core/src/features/RowSelection.ts

@@ -445,8 +445,8 @@ export const RowSelection: TableFeature = {
       return table.getIsAllPageRowsSelected()
         ? false
         : paginationFlatRows
-            .filter(row => row.getCanSelect())
-            .some(d => d.getIsSelected() || d.getIsSomeSelected())
+          .filter(row => row.getCanSelect())
+          .some(d => d.getIsSelected() || d.getIsSomeSelected())
     }
 
     table.getToggleAllRowsSelectedHandler = () => {
@@ -635,6 +635,7 @@ export function isSubRowSelected<TData extends RowData>(
 
   let allChildrenSelected = true
   let someSelected = false
+  let someSelectable = false
 
   row.subRows.forEach(subRow => {
     // Bail out early if we know both of these
@@ -643,6 +644,7 @@ export function isSubRowSelected<TData extends RowData>(
     }
 
     if (subRow.getCanSelect()) {
+      someSelectable = true
       if (isRowSelected(subRow, selection)) {
         someSelected = true
       } else {
@@ -664,5 +666,7 @@ export function isSubRowSelected<TData extends RowData>(
     }
   })
 
+  if (!someSelectable) return false
+
   return allChildrenSelected ? 'all' : someSelected ? 'some' : false
 }