Select a local sub project to run

gistfile1.js

//
// Deps
//---------------------------------------------------------
var
  inquirer    = require('inquirer'),
  path        = require('path'),
  exec        = require('child_process').exec,
  spawn       = require('child_process').spawn
;


//
// Select which project to spin up
//---------------------------------------------------------

// Get all the sub apps in /apps/
var projectsArr;
var projects = exec('ls apps', function(error, stdout, stderr) {

  // Format the stdout return in to something usable.
  projectsArr = stdout.split('\n')
  projectsArr.pop();

  // Since child_process exec is async, and Ivan is making me write
  // this in raw Node, welcome to sweet, sweet call back land ;)
  devProjectSelector();

});


function devProjectSelector() {

  // Select which sub app to run
  var projectSelect = [
    {
      type:     'list',
      name:     'project',
      message:  'Which project would you like to spin up?',
      choices:  projectsArr
    }
  ];


  // Spin up the dev environment for the selected project
  inquirer.prompt(projectSelect, function (selected) {

    var project     = selected.project,
        projectDir  = path.join('apps', project);

    // Spin up a new process and run the project's 'gulp dev' command
    var devProject = spawn('gulp', ['dev'], { cwd: projectDir, stdio: 'inherit' });

    // Kill child processes if the parent is killed
    devProject.on('exit', function() {
      console.log('Murdering Gulp');
      exec('killall gulp');
    });

  });
}