expo/bin/expo

#!/usr/bin/env node

var path = require('path');
var cli = require('commander');
var fs = require('fs');

var Helpers = require('../lib/gen/helpers');
var Folder = require('../lib/gen/folder');
var Renderer = require('../lib/gen/renderer');
var exec = Helpers.exec;

cli
  .version(require('../package').version);

cli
  .usage('PATH [options]')
  .option('--no-db', 'Disable models and database')
  .option('--no-assets', 'Disable asset pipeline')
  .option('--no-sessions', 'Disable sessions support')
  .option('--no-tests', 'Disable tests')
  .option('--no-tasks', 'Disable command-line tasks')
  .option('--no-helpers', 'Disable helpers')
  .option('--no-public', 'Disable public folder')
  .option('--bare', 'Disable everything')
  .on('--help', function() {
    console.log('  start a project:');
    console.log('    $ expo myproject');
    console.log('');
    console.log("  see Expo's website for more info.");
    console.log('  http://ricostacruz.com/expo/');
  });
  cli.parse(process.argv);

var project = cli.args.shift();

if (project) spawn(project);
else cli.help();

function spawn(project) {
  var options = {
    project: project,
    db: !cli.noDb && !cli.bare,
    assets: !cli.noAssets && !cli.bare,
    sessions: !cli.noSessions && !cli.bare,
    tests: !cli.noTests && !cli.bare,
    tasks: !cli.noTasks && !cli.bare,
    helpers: !cli.noHelpers && !cli.bare,
    public: !cli.noPublic && !cli.bare
  };

  var render = Renderer(options);
  var p = project;

  var f = new Folder(p);

  f.banner(p, 'your project');
  f.mkdir('');
  f.write('Readme.md', render.readme('Readme.md'));
  f.write('run', render.text('run'), 0755);
  f.write('app.js', render.appjs('app.js'));
  f.write('.gitignore', render.text('gitignore'));
  f.write('Procfile', render.text('Procfile'));
  f.write('package.json', render.package('package.json'));

  f.mkdir('app');

  if (options.assets) {
    f.banner('assets', 'where your images, CSS and JS files live', 32);
    f.mkdir('assets');
    f.mkdir('assets/css');
    f.write('assets/css/application.styl', render.text('assets.application.styl'));
    f.mkdir('assets/js');
    f.write('assets/js/application.js', render.js('assets.application.js'));
    f.gkeep('assets/img');
  }

  f.banner('initializers', 'code that initializes the app environment', 33);
  f.mkdir('app/initializers');
  f.write('app/initializers/app.js', render.appjs('init.app.js'));

  if (options.helpers) {
    f.banner('helpers', 'functions available in your views', 34);
    f.mkdir('app/helpers');
    f.write('app/helpers/app_helper.js', render.js('helpers.app_helper.js'));
  }

  f.banner('routes', 'auto-loaded files that create URL routes');
  f.mkdir('app/routes');
  f.write('app/routes/home.js', render.js('routes.home.js'));

  if (options.tasks) {
    f.banner('tasks', 'command line tasks');
    f.mkdir('app/tasks');
    f.write('app/tasks/db.js', render.js('tasks.db.js'));
  }

  f.banner('views', 'template files');
  f.mkdir('app/views');
  f.write('app/views/index.jade', render.jade('views.index.jade'));
  f.write('app/views/layout.jade', render.jade('views.layout.jade'));
  f.mkdir('app/views/errors');
  f.write('app/views/errors/404.jade', render.jade('views.404.jade'));
  f.write('app/views/errors/500.jade', render.jade('views.500.jade'));

  f.banner('config', 'yaml config files', 34);
  f.mkdir('config');

  if (options.db) {
    f.write('config/database.yml', render.js('config.database.yml'));
    f.write('config/database.yml.example', render.js('config.database.yml'));
  }

  options.sessions &&
  f.write('config/secret_token.yml', render.secret());

  options.assets &&
  f.write('config/assets.yml', render.js('config.assets.yml'));

  if (options.db) {
    f.banner('db', 'development sqlite database');
    f.gkeep('db');
  }

  f.banner('lib', 'models and code');

  if (options.db) {
    f.mkdir('lib');
    f.mkdir('lib/models');
    f.write('lib/models/sample.js', render.js('model.sample.js'));
  } else {
    f.gkeep('lib');
  }

  if (options.public) {
    f.banner('public', 'static files go here');
    f.mkdir('public');
    f.write('public/robots.txt', render.text('robots.txt'));
  }

  if (options.tests) {
    f.banner('test', 'tests, specs');
    f.mkdir('test');
    f.write('test/setup.js', render.js('test.setup.js'));
    f.write('test/app_test.js', render.js('test.app_test.js'));
  }

  console.log('');
  console.log('  install dependencies:');
  console.log('    $ cd '+p);
  console.log('    $ npm install && npm shrinkwrap');
    console.log('');

  cli.confirm('Do that now? [yn] ', function(go) {
    if (go) {
      var cmd = 'cd '+p+' && npm install && npm shrinkwrap';
      exec(cmd, function() {
        console.log('');
        console.log("  let's begin!");
        console.log('    $ cd '+p);
        done();
      });
    } else {
      done(0);
    }

    function done(err) {
      if (options.db) {
        console.log('');
        console.log('  setup the datbaase:');
        console.log('    $ $EDITOR config/database.yml');
        console.log('    $ ./run db-create');
        console.log('    $ ./run db-sync');
      }
      console.log('');
      console.log('  run the app:');
      console.log('    $ ./run server');
      console.log('');
      console.log('  more info:');
      console.log('    $ ./run --help');
      console.log('');
      process.exit(err);
    };
  });
}