require('winston-rethinkdb').RethinkDB
...
exports.launchLogger = (dbName, callback)->
  mkdirp('logs', (err) ->
    console.log err if err?
  )
  console.log "Db is #{dbName}"
  winston.emitErrs = true
  logger = new winston.Logger({
    transports: [
      new winston.transports.RethinkDB({
          label: 'rethinkLogger'
          level: 'debug'
          db : dbName,
          table: 'serverlogs'
          handleExceptions: false
          colorize: false
          timestamp: true
        }),
      new winston.transports.Console({
        label: 'consoleLogger'
        level: 'debug'
        handleExceptions: false
        json: false
        colorize: true
      })
    ],
    exitOnError: false
  })

{
    Console: Function,
    File: Function,
    Http: Function,
    Memory: Function
}