Gruntfile.js Example

Gruntfile.js

module.exports = function(grunt){
  grunt.initConfig({
    shell: {
      'options': {
        'stdout': true,
        'stderr': true,
        'failOnError': true
      },
      drushall: {
        command: 'drush cc all',
      },
      drushcssjs: {
        command: 'drush cc css-js',
      }
    },
    coffee: {
      compile: {
        files: {
          'path/to/result.js': 'path/to/source.coffee', 
          'path/to/another.js': ['path/to/sources/*.coffee', 'path/to/more/*.coffee'] 
        }
      },
      compileWithMaps: {
        options: {
          sourceMap: true
        },
        files: {
          'path/to/result.js': 'path/to/source.coffee', 
          'path/to/another.js': ['path/to/sources/*.coffee', 'path/to/more/*.coffee']
        }
      },
      glob_to_multiple: {
        expand: true,
        flatten: true,
        cwd: 'path/to',
        src: ['*.coffee'],
        dest: 'path/to/dest/',
        ext: '.js'
      }
    },
    compass: {
      dist: {
        sassDir: ['sass'],
        cssDir: ['css'],
        environment: 'production'
      },
      dev: {
        sassDir: ['sass'],
        cssDir: ['css'],
        environment: 'development'
      },
    },
    watch: {
      configFiles: {
        files: [ 'Gruntfile.js', 'config/*.js' ],
        options: {
          reload: true
        }
      },
      css: {
        files: ['sass/**/**/**'],
        tasks: ['compass:dev','shell:drushcssjs'],
        options: {
            spawn: false
        }
      },
      js: {
        files: ['coffee/**/**/**'],
        tasks: ['coffee:compileWithMaps','shell:drushcssjs'],
        options: {
            spawn: false
        }
      }
    }
  });
  grunt.loadNpmTasks('grunt-shell');
  grunt.loadNpmTasks('grunt-contrib-coffee');
  grunt.loadNpmTasks('grunt-contrib-compass');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.registerTask('dev', ['compass:dev','coffee:compileWithMaps','watch','shell:drushall']);
  grunt.registerTask('prod', ['compass:dist','coffee:compile','shell:drushall']);
  grunt.registerTask('default', ['dev']);
}