kibana-123/src/cli_plugin/lib/log_warnings.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

export default function (settings, logger) {
  process.on('warning', (warning) => {
    logger.error(warning);
  });
}