MongoDB con Node.js y el driver oficial

MongoDB con Node.js y el driver oficial | Nicolás Garzón

MongoClient

TypeScript

type OrderDocument = {
  _id: ObjectId;
  businessId: ObjectId;
  status: 'pending' | 'confirmed' | 'cancelled';
  total: Decimal128;
  createdAt: Date;
};

const orders = db.collection<OrderDocument>('orders');

TypeScript

const result = await orders.updateOne(
  {
    _id: orderId,
    businessId,
    status: 'pending'
  },
  {
    $set: {
      status: 'confirmed',
      confirmedAt: new Date()
    }
  }
);

if (result.matchedCount === 0) {
  throw new ConflictError('Order no longer pending');
}

TypeScript

const session = client.startSession();

try {
  await session.withTransaction(async () => {
    await orders.insertOne(order, { session });
    await inventory.updateOne(stockFilter, stockUpdate, { session });
  });
} finally {
  await session.endSession();
}

MongoDB con Node.js

Idea principal

Inicialización

Reutilizar `MongoClient`

Collections tipadas

CRUD y resultados

Cursors

Abort y timeouts

Errores

Retryable operations

Sessions y transacciones

BSON

Repository functions

Command monitoring

Graceful shutdown

Testing

Casos límite

Errores frecuentes

Cómo verificar

Qué debes recordar

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