LeftMenuSubMenu is not a function compontnet rather than a class

src/modules/frame/components/LeftMenu.tsx

@@ -8,14 +8,16 @@ import {
   faPrint,
 } from "@fortawesome/pro-thin-svg-icons";
 import LeftMenuItem from "./LeftMenuItem";
-import LeftMenuSubMenu, { LOCLeftMenuSubMenu } from "./LeftMenuSubMenu";
+import LeftMenuSubMenu from "./LeftMenuSubMenu";
 import { useTranslation } from "react-i18next";
 import { Namespaces } from "../../../i18n/i18n";
 
 const LeftMenu: React.FC = () => {
   const { t } = useTranslation<typeof Namespaces.Common>();
 
-  const [openMenuItem, setOpenMenuItem] = useState<LOCLeftMenuSubMenu>();
+  const [openMenuItem, setOpenMenuItem] = useState<
+    { id: string; children: React.ReactNode } | undefined
+  >();
 
   // Close menus when clicking outside
   useEffect(() => {
@@ -24,9 +26,14 @@ const LeftMenu: React.FC = () => {
     return () => document.body.removeEventListener("click", handleClick, true);
   }, []);
 
-  const handleClick = useCallback((menuItem: LOCLeftMenuSubMenu) => {
+  const handleClick = useCallback(
-    setOpenMenuItem((current) => (current === menuItem ? undefined : menuItem));
+    (menuId: string, children: React.ReactNode) => {
-  }, []);
+      setOpenMenuItem((current) =>
+        current?.id === menuId ? undefined : { id: menuId, children },
+      );
+    },
+    [],
+  );
 
   // Access checks
   const viewOrganisation = authentication.hasAccess("ViewOrganisation");
@@ -69,10 +76,11 @@ const LeftMenu: React.FC = () => {
 
         {viewAdmin && (
           <LeftMenuSubMenu
-            openMenu={openMenuItem}
+            menuId="admin"
+            openMenuId={openMenuItem?.id}
             icon={faCog}
             label={t("Admin")}
-            onClick={handleClick}
+            onToggle={handleClick}
           >
             {viewUser && <LeftMenuItem to="/users" label={t("Users")} />}
             {viewDomain && (
@@ -98,10 +106,11 @@ const LeftMenu: React.FC = () => {
 
         {viewSupport && (
           <LeftMenuSubMenu
-            openMenu={openMenuItem}
+            menuId="support"
+            openMenuId={openMenuItem?.id}
             icon={faCogs}
             label={t("Support")}
-            onClick={handleClick}
+            onToggle={handleClick}
           >
             {viewAuditLog && <LeftMenuItem to="/audit" label={t("AuditLog")} />}
             {viewBlockedIPAddresses && (
@@ -114,9 +123,7 @@ const LeftMenu: React.FC = () => {
         )}
       </div>
 
-      {openMenuItem && (
+      {openMenuItem && <div className="subbar">{openMenuItem.children}</div>}
-        <div className="subbar">{openMenuItem.props.children}</div>
-      )}
     </>
   );
 };

src/modules/frame/components/LeftMenuSubMenu.tsx

@@ -1,60 +1,63 @@
 import { IconDefinition } from "@fortawesome/fontawesome-common-types";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import React from "react";
+import React, { useCallback, useMemo } from "react";
-import withRouter, { RouterProps } from "../../../utils/withRouter";
+import { useLocation } from "react-router-dom";
 
-interface LeftMenuSubMenuProps extends RouterProps {
+interface LeftMenuSubMenuProps {
   icon: IconDefinition;
   label: string;
-  openMenu?: LOCLeftMenuSubMenu;
+  menuId: string;
+  openMenuId?: string;
   children: (false | JSX.Element)[];
-  onClick?: (menuItem: LOCLeftMenuSubMenu) => void;
+  onToggle?: (menuId: string, children: React.ReactNode) => void;
 }
 
-interface LeftMenuSubMenuState {}
+const LeftMenuSubMenu: React.FC<LeftMenuSubMenuProps> = ({
+  icon,
+  label,
+  menuId,
+  openMenuId,
+  children,
+  onToggle,
+}) => {
+  const { pathname } = useLocation();
 
-class LOCLeftMenuSubMenu extends React.Component<
+  const handleClick = useCallback((): void => {
-  LeftMenuSubMenuProps,
+    if (onToggle !== undefined) onToggle(menuId, children);
-  LeftMenuSubMenuState
+  }, [children, menuId, onToggle]);
-> {
-  state = {};
 
-  handleClick = (): void => {
+  const isChildSelected = useCallback(
-    const { onClick } = this.props;
+    (child: JSX.Element): boolean => {
-
-    if (onClick !== undefined) onClick(this);
-  };
-
-  isChildSelected = (child: JSX.Element): boolean => {
       const { to } = child.props;
-    const { pathname } = this.props.router.location;
       let isSelected: boolean = false;
-    if (to === "/" ? pathname === to : pathname.toLowerCase().startsWith(to)) {
+      if (
+        to === "/" ? pathname === to : pathname.toLowerCase().startsWith(to)
+      ) {
         isSelected = true;
       }
 
       return isSelected;
-  };
+    },
-
+    [pathname],
-  isAnyChildSelected = (): boolean => {
+  );
-    const { children } = this.props;
 
+  const isAnyChildSelected = useCallback((): boolean => {
     let childIsSelected = false;
     children.forEach((child) => {
       if (child === false) {
         return;
       }
 
-      if (this.isChildSelected(child)) childIsSelected = true;
+      if (isChildSelected(child)) childIsSelected = true;
     });
 
     return childIsSelected;
-  };
+  }, [children, isChildSelected]);
 
-  render() {
+  const selected = useMemo(
-    const { icon, label, openMenu } = this.props;
+    () => openMenuId === menuId || isAnyChildSelected(),
-
+    [isAnyChildSelected, menuId, openMenuId],
-    const selected = this === openMenu || this.isAnyChildSelected();
+  );
 
   let className = "LeftMenuItem leftMenuSubMenu";
 
@@ -63,14 +66,11 @@ class LOCLeftMenuSubMenu extends React.Component<
   }
 
   return (
-      <div className={className} onClick={this.handleClick}>
+    <div className={className} onClick={handleClick}>
       <FontAwesomeIcon className="leftMenuItemIcon" icon={icon} />
       <div className="leftMenuItemLabel">{label}</div>
     </div>
   );
-  }
+};
-}
 
-const LeftMenuSubMenu = withRouter(LOCLeftMenuSubMenu);
 export default LeftMenuSubMenu;
-export { LOCLeftMenuSubMenu };