Grunt JS script for Apache Sling with CoffeeScript

Gruntfile.coffee

module.exports =  (grunt) ->
  # load all grunt tasks
  require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks)

  # configurable paths
  buildProperties = {
    app: 'target/js',
    dist: 'target/coffee/js',
    sling_url: grunt.option('sling_url') || 'http://localhost:8080/content/js',
    sling_username: grunt.option('sling_username') || 'admin',
    sling_password : grunt.option('sling_password') || 'admin'
  }

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    config : buildProperties,
    watch: {
      coffee: {
        files: [
          'src/main/coffee/*.coffee',
          'src/main/coffee/**/*.coffee',
          ],
        # compile and deploy into Apache Sling  
        tasks: ['coffee:dist','concat','exec:sling_upload'],
      },
      coffeeTest: {
        files: ['src/test/coffee/**/*.coffee'],
        tasks: ['coffee:test']
      },
      less: {
        files: ['src/main/resources/css/**/*.{less}'],
        tasks: ['less']
      },
      options: {
        livereload: 35729
      }
    },

    open: {
      server: {
        url: 'localhost:8080/content/mediacenter/widgets/stats-widget.widget.html/content/channel/demo'
      }
    },

    clean: {
      dist: {
        files: [{
          dot: true,
          src: [
            '<%= config.dist %>/*',
          ]
        }]
      }
    },
    jshint: {
      all: [
        '<%= config.dist %>/**/*.js'
      ]
    }
    ,coffee: {
      dist: {
        options: { sourceMap: true, sourceRoot: '' },
        files: [{
          expand: true,
          join: true, # When compiling multiple .coffee files into a single .js file, concatenate first.
          cwd: 'src/main/coffee',
          src: '**/*.coffee',
          dest: '<%= config.dist %>',
          ext: '.js'
        }]
      }
      ,test: {
        options: { sourceMap: true },
        files: [{
          expand: true,
          cwd: 'src/test/coffee',
          src: '**/*.coffee',
          dest: 'target/test-classes/js',
          ext: '.js'
        }]
      }
    }
    ,less: {
      server: {
        files: {
          '.tmp/styles/bootstrap.css' :'<%= config.app %>/components/bootstrap/less/bootstrap.less'
        }
      }
    }
    ,concat:{
      options:
        separator: ';'
      ,dist:
        # the files to concatenate
        src: ['<%= config.dist %>/**/*.js']
        # the location of the resulting JS file
        dest: '<%= config.dist %>/mediacenter/<%= pkg.name %>-<%= pkg.version %>-SNAPSHOT.js'
    }
    ,uglify: {
      options:
        # the banner is inserted at the top of the output
        banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'
      ,dist:
        files:
          '<%= config.dist %>/mediacenter/<%= pkg.name %>-<%= pkg.version %>-SNAPSHOT.min.js': ['<%= concat.dist.dest %>']
    }
    # upload files into Apache Sling JCR
    ,'exec': {
       sling_upload:
         'cmd': ->
            config = this.config('config')
            pkg = this.config('pkg')
            jsFile = this.config('concat').dist.dest
            jsFileName = "#{pkg.name}-#{pkg.version}-SNAPSHOT.js"
            c = """curl -i -X POST -F ":http-equiv-accept=application/json,*/*;q=0.9" -F#{jsFileName}=@#{jsFile}"""
            c += " -u #{config.sling_username}:#{config.sling_password} #{config.sling_url}"
#            grunt.log.write("this=#{this.config('concat').dist.dest}")
            grunt.log.write("Executing : #{c}:")
            return c
         'stdout': false
         'stderr':true
    }

  })

  grunt.registerTask('live-dev', [
    'clean:dist',
    'coffee',
    'concat',
    'uglify',
    'watch'
  ])
  grunt.registerTask('build', [
    'clean:dist',
    'coffee'
    'concat',
    'uglify'
  ])

  grunt.registerTask('default', ['build'])

package.json

{
    "name": "stats_widget",
    "version": "1.0",
    "devDependencies": {
        "grunt": "~0.4.1",
        "grunt-contrib-clean": "~0.4.0",
        "grunt-contrib-coffee": "~0.7.0",
        "grunt-contrib-jshint": "~0.6.0",
        "grunt-contrib-nodeunit": "~0.2.0",
        "grunt-contrib-uglify": "~0.2.2",
        "grunt-contrib-less": "~0.5.0",
        "grunt-contrib-watch": "~0.5.1",
        "grunt-contrib-concat": "~0.3.0",
        "grunt-exec": "~0.4.2",
        "matchdep": "~0.1.1"
    }
}