text: var util = require('./util');
  var spawn = require('child_process').spawn;
  
  module.exports = function(gulp, plugins, config) {
    return function() {
      config.port = config.port || 8080;
      var pubMode = config.mode || 'debug';
      var pubArgs = ['serve', '--mode', pubMode, '--port', config.port];
      return util.streamToPromise(spawn(config.command, pubArgs, {
        // pub serve is very spammy, and --verbosity flag doesn't fix it
        cwd: config.path, stdio: 'inherit'
      }));
    };
  };
  