conveyal/modeify

var log = require('./log')

/**
 * If no callback is passed then this is a one & done
 */

function exit (err) {
  if (err) {
    log.error(err)
    process.exit(1)
  } else {
    log.info('completed')
    process.exit(0)
  }
}

/**
 * Expose `run`
 */

module.exports.run = function (program, done) {
  done = done || exit
  program(function (err, batch) {
    if (err) {
      done(err)
    } else {
      log.info('processing ' + batch.fns.length)

      batch.on('progress', function (e) {
        log.info(e.complete + ' / ' + e.total)
      })

      batch.end(done)
    }
  })
}