check for errors

main.js

@@ -1634,7 +1634,7 @@
     (async () => {
       let routes = await getRoutes()
 
-      if (routes.length == 0) return
+      if (routes.error || routes.length == 0) return
 
       let result = Tag.div()
       result.append("Маршруты: ")
@@ -2241,21 +2241,21 @@
     function showUnknownPoints() {
       (async () => {
         let unknownPoints = await getUnknownPoints()
-        if (unknownPoints.length) {
-          let unknownPointsContainer = Tag.div()
-          unknownPointsContainer.append("Несохраненные точки: ")
-          for (const [i, cpId] of unknownPoints.entries()) {
-            if (i !== 0) {
-              unknownPointsContainer.append(", ")
-            }
-    
-            unknownPointsContainer.append(Tag.a({
-              href: cpLink(cpId),
-              textContent: cpId
-            }))
+        if (unknownPoints.error || !unknownPoints.length) return
+
+        let unknownPointsContainer = Tag.div()
+        unknownPointsContainer.append("Несохраненные точки: ")
+        for (const [i, cpId] of unknownPoints.entries()) {
+          if (i !== 0) {
+            unknownPointsContainer.append(", ")
           }
-          document.querySelector(`#content h1`).after(unknownPointsContainer)
+  
+          unknownPointsContainer.append(Tag.a({
+            href: cpLink(cpId),
+            textContent: cpId
+          }))
         }
+        document.querySelector(`#content h1`).after(unknownPointsContainer)
       })()
     }