Grunt file for: Preprocessing sass/compass Watching for changes in the sass/compass file minifying js and sass files concatenating js files

gruntfile.js

module.exports = function(grunt) {
  // Project configuration.
  grunt.initConfig({
    compass: {                  
      dist: {                 
        options: {
          sassDir: 'sass',
          cssDir: 'css',
          environment: 'production'
        }
      }
    },
    watch: {
      css: {
        files: '**/*.scss',
        tasks: ['compass'],
        options: {
          livereload: false,
        },
      },
    },
    cssmin: {
      minify: {
        expand: true,
        cwd: 'css/',
        src: ['*.css', '!*.min.css'],
        dest: 'css/min',
        ext: '.min.css'
      }
    },
    uglify: {
      options: {
        mangle: {
          except: ['jQuery']
        }
      },
      my_target: {
        files: {
          'js/min/main.min.js': ['js/script.js', 'js/plugins.js']
        }
      }
    }
    });
  // Load the plugins
  //On github: https://github.com/gruntjs/grunt-contrib-compass
  //Install: npm install grunt-contrib-compass --save-dev
  grunt.loadNpmTasks('grunt-contrib-compass');
  //On github: https://github.com/gruntjs/grunt-contrib-watch
  //Install: npm install grunt-contrib-watch --save-dev
  grunt.loadNpmTasks('grunt-contrib-watch');
  //On github: https://github.com/gruntjs/grunt-contrib-uglify
  //Install: npm install grunt-contrib-uglify --save-dev
  grunt.loadNpmTasks('grunt-contrib-uglify');
  //On github: https://github.com/gruntjs/grunt-contrib-cssmin
  //Install: npm install grunt-contrib-cssmin --save-dev
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  
  // Default task(s).
  grunt.registerTask('default', ['compass', 'cssmin', 'uglify']);
};