text: var fs = require('fs');
  var jsonfile = require('jsonfile');
  var utils = require('./utils');
  var chalk = require('chalk');
  var taskRunner = require('./task-runner');
  
  fs.exists(utils.configFilePath, (exists) => {
      if(!exists){
          console.log(chalk.red(utils.configFilePath, 'not exists'));    
          process.exit();
      }
  });
  
  jsonfile.readFile(utils.configFilePath, (err, config) => {
      if(err){
          console.log(chalk.red('faild to load ', utils.configFileName));
      }
      else{
          taskRunner.run(config);
      }
  })
  