default node script

script.js

#!/usr/bin/env node

require('shelljs/global');

var when = require('when');
var pipeline = require('when/pipeline');
var colors = require('colors');
var debug = false;

function runCommand(command) {
  if (debug) {
    console.log('run command: %s', command);
  }
  return when.promise(function(resolve, reject) {
    exec(command, {silent: !debug}, function(code, output) {
      if (debug) {
        console.log('exitcode: ', code);
      }
      if (code === 1) {
        console.error(output.red);
        reject();
      } else {
        if (debug) {
          console.log('output: %s', output);
        }
        resolve();
      }
    });
  });
}

function doSth() {
  return runCommand('ls -l');
}

function doSthWithPara(param) {
  return runCommand('ls ' + param);
}

var phasen = [];
phasen.push(doSth);
phasen.push(doSthWithPara.bind(this, '-a'));

var lintPipe = pipeline([phasen]);
lintPipe.then(function() {
  console.log('done!'.green);
  process.exit(0);
}).catch(function(error) {
  process.exit(1);
});