Commit of Current Status

lib/utils.ts

@@ -0,0 +1,18 @@
+import { Vehicle } from "./api";
+
+export function getVehicleDisplayStatus(vehicle: Vehicle): 'Online' | 'Offline' | 'Updating' | string {
+    // Calculate status: Offline if no heartbeat for 5s
+    let lastHeartbeatStr = vehicle.lastHeartbeat;
+    // Fix timezone if missing Z
+    if (!lastHeartbeatStr.endsWith('Z')) {
+        lastHeartbeatStr += 'Z';
+    }
+    const lastHeartbeatDate = new Date(lastHeartbeatStr);
+    const diffMs = Date.now() - lastHeartbeatDate.getTime();
+
+    let displayStatus = vehicle.status;
+    if (displayStatus === 'Online' && diffMs > 5000) {
+        displayStatus = 'Offline';
+    }
+    return displayStatus;
+}