migration to fix null values instead of array of events

migration.js

@@ -38,8 +38,21 @@ async function addDebugInfoStatus() {
 	}
 }
 
+async function fixNullEvents() {
+	let client = await MongoClient.connect(process.env.MONGO_CONNECTION_STRING, { useUnifiedTopology: true });
+	let db = client.db('autocatdev');
+	let collection = db.collection('vehicles');
+	let vehicles = await collection.find().toArray();
+	for(let vehicle of vehicles) {
+		if(vehicle.events == null) {
+			await collection.updateOne({ number: vehicle.number }, { $set: { events: [] } });
+		}
+	}
+}
+
 (async () => {
 	//await addUpdatedDate();
-	await addDebugInfoStatus(); 
+	//await addDebugInfoStatus(); 
+	await fixNullEvents();
 	console.log('====== Done ======');
 })();