in src/components/CompareResults/TableHeader.tsx [208:222]
function onButtonClick() {
let newSortDirection: typeof sortDirection;
switch (sortDirection) {
case 'desc':
newSortDirection = 'asc';
break;
case 'asc':
newSortDirection = null;
break;
default:
newSortDirection = 'desc';
}
onToggle(newSortDirection);
}