'use strict';constco=require('co');co(function*(){varReplSet=require('mongodb-topology-manager').ReplSet;// Create new instancevartopology=newReplSet('mongod',[{// mongod process optionsoptions:{bind_ip:'localhost',port:31000,dbpath:`/data/db/31000`}},{// mongod process optionsoptions:{bind_ip:'localhost',port:31001,dbpath:`/data/db/31001`}},{// Type of nodearbiterOnly:true,// mongod process optionsoptions:{bind_ip:'localhost',port:31002,dbpath:`/data/db/31002`}}],{replSet:'rs'});yieldtopology.start();console.log('done');}).catch(error=>{console.error(error);process.exit(-1);});