Phase 1 reliability/stabilisation: auth logging, logout client, loader+xml hardening

components/header.js

@@ -2,12 +2,12 @@ import _ from "lodash";
 import useTranslation from "next-translate/useTranslation";
 import Link from "next/link";
 import { useRouter } from "next/router";
-import { destroyCookie, setCookie } from "nookies";
+import { setCookie } from "nookies";
 import { connect } from "react-redux";
 import Banner from "../components/banner";
 import { setLogout } from "../store/accountDetails/action";
 
-import { signOut } from "next-auth/react";
+import { logoutClient } from "../lib/auth/logoutClient";
 
 const Header = (props) => {
     let { t, lang } = useTranslation();
@@ -85,14 +85,7 @@ const Header = (props) => {
 
     const handleLogout = () => {
         console.info("////////////\n" + "logout" + "\n////////////");
-        (window.localStorage.clear(),
-            destroyCookie(null, "next-auth.csrf-token", { path: "/" }),
-            destroyCookie(null, "next-auth.callback-url", { path: "/" }),
-            destroyCookie(null, "pedw_locale", { path: "/" }),
-            destroyCookie(null, "pinsUser", { path: "/" }),
-            signOut({
-                callbackUrl: locale == "cy" ? "/cy/allgofnodi" : "/logout"
-            }));
+        logoutClient(locale);
     };
 
     //const switchLocale = locale === "en" ? "cy" : "en";