src/lib/mongodb.ts


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import mongoose from "mongoose";

const MONGODB_URI = process.env.MONGODB_URI;

if (!MONGODB_URI) {
  throw new Error("Please define the MONGODB_URI environment variable inside .env.local");
}

interface Connection {
  isConnected?: number;
}

const connection: Connection = {};

async function dbConnect(): Promise<void> {
  if (connection.isConnected) {
    return;
  }

  try {
    const db = await mongoose.connect(MONGODB_URI!);
    connection.isConnected = db.connections[0].readyState;
    console.log("MongoDB connected successfully");
  } catch (error) {
    console.error("MongoDB connection error:", error);
    throw error;
  }
}

export default dbConnect;