-if (config?.mongoConnectionString) {
- MongoClient.connect(config.mongoConnectionString, {
- useUnifiedTopology: true,
- useNewUrlParser: true
- }, async function(err, client) {
- const db = client.db('evse');
+if (config && config.mongoConnectionString) {
+ MongoClient.connect(config.mongoConnectionString, async function(err, client) {
+ const db = client.db();