create-unstack/test/lib/db.ts

CLI tool to scaffold a modern Next.js app with TailwindCSS, HeroUI, and optional authentication & MongoDB

import { MongoClient } from "mongodb";

if (!process.env.MONGODB_URI) {
    throw new Error('Invalid/Missing environment variable: "MONGODB_URI"');
}

const uri = process.env.MONGODB_URI;
const options = {};

let client: MongoClient;

if (process.env.NODE_ENV === "development") {
    let globalWithMongo = global as typeof globalThis & {
        _mongoClient?: MongoClient;
    };

    if (!globalWithMongo._mongoClient) {
        globalWithMongo._mongoClient = new MongoClient(uri, options);
    }
    client = globalWithMongo._mongoClient;
} else {
    client = new MongoClient(uri, options);
}

export { client };