probably fixed blank page issue upon logout

frontend/src/App.svelte

@@ -3,7 +3,7 @@
     import { Router, Route } from 'svelte-tiny-router';
 
     import { loadTranslation } from './translations.svelte.js';
-    import { user } from './user.svelte.js';
+    import { checkUser, user } from './user.svelte.js';
 
     import AddDoc      from "./routes/document/Add.svelte";
     import AddTask     from "./routes/task/Add.svelte";
@@ -46,12 +46,17 @@
         fetch(url).then(resp => resp.text()).then(css => document.getElementById('usercss').innerText = css);
     }
 
+    async function testGuard({to, from, next}){
+        await checkUser();
+        next();
+    }
+
     $effect(() => loadTheme(user.theme));
 </script>
 
 {#if translations_ready }
-    <Router>
+    {#if user.name}
-    {#if user.name }
+        <Router beforeEach={[testGuard]}>
         <!-- https://github.com/notnotsamuel/svelte-tiny-router -->
         <Menu />
         <Route path="/"                            component={User} />
@@ -85,14 +90,16 @@
         <Route>
             Not found!
         </Route>
+        </Router>
     {:else}
+        <Router>
         <Route path="/user/reset/pw" component={ResetPw} />
         <Route path="/oidc_callback" component={Callback} />
         <Route>
             <Login />
         </Route>
-    {/if}
         </Router>
+    {/if}
     <Footer />
 {:else}
     <p>Loading translations...</p>

frontend/src/Components/Menu.svelte

@@ -1,5 +1,5 @@
 <script>
-import { onDestroy, onMount }       from 'svelte';
+import { onMount }       from 'svelte';
 import { useTinyRouter } from 'svelte-tiny-router';
 
 import { logout, user }  from '../user.svelte.js';
@@ -37,10 +37,6 @@ async function search(e){
 }
 
 onMount(fetchModules);
-
-onDestroy(() => {
-    if (interval) clearInterval(interval);
-});
 </script>
 
 <style>

frontend/src/Components/TimeRecorder.svelte

@@ -1,4 +1,5 @@
 <script>
+    import { onDestroy }     from 'svelte';
     import { useTinyRouter } from 'svelte-tiny-router';
 
     import { api }           from '../urls.svelte';
@@ -44,6 +45,10 @@
             interval = null;
         }
     });
+
+    onDestroy(() => {
+        if (interval) clearInterval(interval);
+    });
 </script>
 
 

frontend/src/user.svelte.js

@@ -15,6 +15,8 @@ export async function checkUser(){
         for (let key of Object.keys(json)) user[key] = json[key];
         url  = `${location.protocol}//${location.host.replace('5173','8080')}/api/time/started`;
         resp = await fetch(url,{credentials: 'include'});
+    } else {
+        user.name = null;
     }
     if (resp.ok){
         const track = await resp.json();