feat: V2 with TypeScript

server/src/utils/mongo.ts

@@ -0,0 +1,37 @@
+import mongoose from 'mongoose'
+import { MONGO_URI, MONGO_OPTIONS } from '../constants/index'
+
+class Mongo {
+  instance: typeof mongoose = mongoose
+  mongoUri: string
+  mongoOptions: mongoose.ConnectOptions
+  isConnected: boolean
+
+  constructor() {
+    this.mongoUri = MONGO_URI
+    this.mongoOptions = MONGO_OPTIONS
+    this.isConnected = false
+  }
+
+  async connect() {
+    if (this.isConnected) return
+
+    try {
+      console.log('⏳ Connecting to MongoDB')
+
+      const db = await this.instance.connect(this.mongoUri, this.mongoOptions)
+      const connection = db.connection
+
+      this.isConnected = connection.readyState === 1
+      if (this.isConnected) console.log('✅ MongoDB connected')
+
+      connection.on('connected', () => console.log('✅ MongoDB connected')) // re-connected
+      connection.on('disconnected', () => console.log('❌ MongoDB disconnected')) // disconnected
+      connection.on('error', (error) => console.log('❌ MongoDB connection error', error)) // listen for errors during the session
+    } catch (error: any) {
+      console.log('❌ MongoDB connection error:', error.message)
+    }
+  }
+}
+
+export default new Mongo()