MongoServerSelectionError: connect ECONNREFUSED ::1:27017
    at Timeout._onTimeout (/Users/neal/code/drivers/js/driver-v4/src/sdam/topology.ts:618:30)
    at listOnTimeout (node:internal/timers:559:17)
    at processTimers (node:internal/timers:502:7) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) { 'localhost:27017' => [ServerDescription] },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    logicalSessionTimeoutMinutes: undefined
  },
  code: undefined
}

import { MongoClient } from './src/index';

const client = new MongoClient('mongodb://bob:pwd123@localhost:27017/', {
  serverSelectionTimeoutMS: 1000,
  // family: 4 <- this arg fixes it, but it shouldn't become a requirement
});

async function main(args) {
  await client.connect();
  console.log('connected');
}

main(process.argv)
  .then(console.log)
  .catch(console.error)
  .finally(() => client.close());