add serviceWorker register to preloader.html

apps/frontend/public/preloader.html

@@ -59,6 +59,21 @@
     location.reload(); // Перезагрузка при восстановлении сети
   }
 
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.register('/service-worker.js')
+
+    navigator.serviceWorker.onmessage = (event) => {
+      console.log('onmessage', event.data && event.data.type);
+      if (event.data && event.data.type === 'MAIN_PAGE_READY') {
+        location.reload();
+      }
+
+      if (event.data && event.data.type === 'NETWORK_ERROR') {
+        showOfflineMessage();
+      }
+    };
+  }
+
   async function checkConnectionWithServiceWorker() {
     if (!navigator.onLine) {
       return false;
@@ -88,18 +103,6 @@
     if (!isOnline) showOfflineMessage();
   });
 
-  if ('serviceWorker' in navigator) {
-    navigator.serviceWorker.onmessage = (event) => {
-      console.log('onmessage', event.data && event.data.type);
-      if (event.data && event.data.type === 'MAIN_PAGE_READY') {
-        location.reload();
-      }
-
-      if (event.data && event.data.type === 'NETWORK_ERROR') {
-        showOfflineMessage();
-      }
-    };
-  }
 
   retryButton.addEventListener('click', retryConnection);
   window.addEventListener('online', handleOnlineStatus);