chore(generators/with-mongo): refactor mongo's connect func & config

Author: phatpham9

generators/with-mongo/templates/.env.example

@@ -5,6 +5,6 @@ PORT=9000
 
 MONGO_HOST=localhost
 MONGO_PORT=27017
+MONGO_DB_NAME=<%= elementName %>
 MONGO_USER=
 MONGO_PASSWORD=
-MONGO_DB_NAME=<%= elementName %>

generators/with-mongo/templates/src/components/index.ts

@@ -9,7 +9,7 @@ const path = '/';
 const routes = (_: RouteOptions): Router => {
   const router = Router();
 
-  // TODO: register components to router
+  // TODO: plug components to router
   // router.use(things.path, things.routes(_));
 
   return router;

generators/with-mongo/templates/src/config/mongo.ts

@@ -1,14 +1,13 @@
 const host = process.env.MONGO_HOST ?? 'localhost';
 const port = +(process.env.MONGO_PORT ?? '27017');
+const dbName = process.env.MONGO_DB_NAME ?? '<%= elementName %>';
 const user = process.env.MONGO_USER;
 const password = process.env.MONGO_PASSWORD;
-const dbName = process.env.MONGO_DB_NAME ?? '<%= elementName %>';
 
 const config = {
-  uri: `mongodb://${host}:${port}`,
+  uri: `mongodb://${host}:${port}/${dbName}`,
   user,
   password,
-  dbName,
 };
 
 export default config;

generators/with-mongo/templates/src/db/mongo.ts

@@ -3,26 +3,26 @@ import logger from '@boringcodes/utils/logger';
 
 import config from '../config/mongo';
 
-mongoose.set('bufferCommands', false);
-
-const connect = (): void => {
-  mongoose
-    .connect(config.uri, {
+// connect mongo
+const connect = async (): Promise<void> => {
+  try {
+    await mongoose.connect(config.uri, {
       user: config.user,
       pass: config.password,
-      dbName: config.dbName,
       useUnifiedTopology: true,
       useNewUrlParser: true,
       promiseLibrary: Promise,
-    })
-    .then(() => {
-      logger.info('> Mongo connected');
-    })
-    .catch((err) => {
-      logger.error('> Mongo failed to connect');
-
-      throw err;
     });
+
+    logger.info('> Mongo connected');
+  } catch (err) {
+    logger.error('> Mongo failed to connect');
+
+    throw err;
+  }
 };
 
-export default { connect };
+// create mongo model
+const createModel = mongoose.model;
+
+export default { connect, createModel };

generators/with-mongo/templates/src/index.ts

@@ -8,7 +8,7 @@ import app from './app';
 import config from './config';
 
 // connect mongo
-mongo.connect();
+mongo.connect(); // eslint-disable-line @typescript-eslint/no-floating-promises
 
 // create server
 const server = http.createServer(app);