Titanium Mobile, TiShadow, Alloy, CoffeeScript.

Gruntfile.coffee

module.exports = (grunt) ->
  'use strict'
  
  # Grunt Initialize
  grunt.initConfig
    pkg: grunt.file.readJSON('package.json')
    coffee:
      options:
        bare: true
        souceMap: true
      alloy:
        files: [
          expand: true
          cwd: 'src'
          src: ['**/*.coffee']
          dest: 'app'
          ext: '.js'
        ]
      test:
        files: [
          expand: true
          cwd: 'test'
          src: ['**/*.coffee']
          dest: 'spec'
          ext: '.js'
        ]

    copy:
      alloy:
        files: [
          expand: true
          dot: true
          cwd: 'src'
          dest: 'app'
          src: [
            '**'
            '!**/*.coffee'
            '!**/*.jade'
            '!**/*.ltss'
          ]
        ]

    jade:
      alloy:
        files: [
          expand: true
          cwd: 'src'
          src: [ '**/*.jade' ]
          dest: 'app'
          ext: '.xml'
        ]

    ltss:
      alloy:
        files: [
          expand: true
          cwd: 'src'
          src: [ '**/*.ltss' ]
          dest: 'app'
          ext: '.tss'
        ]

    watch:
      alloy:
        files: ['src/**/*']
        tasks: [
          'run'
        ]

    tishadow:
      options:
        update: false
        withAlloy: true
      run:
        command: 'run'
        options:
          alloy:
            platform: ['ios']
      clear:
        command: 'clear'
        options:
          alloy:
            platform: ['ios']
      spec:
        command: 'spec'
        options:
          alloy:
            platform: ['ios']
  
  # Tasks
  grunt.loadNpmTasks 'grunt-contrib-watch'
  grunt.loadNpmTasks 'grunt-tishadow'
  grunt.loadNpmTasks 'grunt-contrib-copy'
  grunt.loadNpmTasks 'grunt-contrib-coffee'
  grunt.loadNpmTasks 'grunt-ltss'
  grunt.loadNpmTasks 'grunt-contrib-jade'
  
  # Register Task
  grunt.registerTask 'default', ['watch']
  grunt.registerTask 'build:ti', [
    'coffee:alloy'
    'coffee:test'
    'jade:alloy'
    'ltss:alloy'
  ]

  grunt.registerTask 'run', [
    'build:ti'
    'tishadow:run'
  ]