Ts strict mode (#1288)

part of #879

website/src/components/DataTable.tsx

@@ -84,7 +84,7 @@ export const DataTable = <T,>({
     } else {
       newValues = filterValues.map((oldValue) => (oldValue.id === value.id ? value : oldValue));
     }
-    onFilterChange(newValues);
+    onFilterChange && onFilterChange(newValues);
   };
   return (
     <>

website/src/components/UserTable.tsx

@@ -76,14 +76,14 @@ export const UserTable = memo(function UserTable() {
 
   const toPreviousPage = () => {
     setPagination({
-      cursor: data.prev,
+      cursor: data?.prev || "",
       direction: "back",
     });
   };
 
   const toNextPage = () => {
     setPagination({
-      cursor: data.next,
+      cursor: data?.next || "",
       direction: "forward",
     });
   };