Gruntfile.js

'use strict';

module.exports = function (grunt) {

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    watch: {
      compass: {
        files: ['sass/{,**/}*.scss'],
        tasks: ['compass:dev']
      },
      livereload: {
        options: {
          livereload: true
        },
        files: [
          'stylesheets/style.css'
        ]
      }
    },

    compass: {
      options: {
        config: 'config.rb',
        bundleExec: true
      },
      dev: {
        options: {
          environment: 'development'
        }
      },
      dist: {
        options: {
          environment: 'production',
          imagesDir: 'images-min',
          force: true
        }
      }
    }

  });

  grunt.loadNpmTasks('grunt-contrib-compass');
  grunt.loadNpmTasks('grunt-contrib-watch');

  grunt.registerTask('default', [
    'compass:dev',
    'watch'
  ]);
};

package.json

{
  "name": "na-carousel",
  "version": "0.0.1",
  "devDependencies": {
    "grunt-contrib-compass": "~0.7.0",
    "grunt-contrib-watch": "~0.5.3"
  }
}