Gruntfile.js

module.exports = function(grunt) {
  grunt.initConfig({
    postcss: {
      options: {
        map: false,
        processors: [
          require('precss')(),          // allow you to use Sass-like CSS.
          // require('pixrem')(),       // add fallbacks for rem units.
          // require('postcss-calc')(), // reduces calc() to values (when expressions involve the same units).
          require('autoprefixer-core')({browsers: 'last 2 versions'}), // add vendor prefixes
        ]
      },
      dist: {
        files: {
          'css/css.css': 'src/style.css'
        }
      }
    },
    cssmin: {
      options: {
        mergeIntoShorthands: false,
        roundingPrecision: -1
      },
      target: {
        files: {
          // 'css/css.min.css': ['css/css.css', 'css/scss.css']
          'css/css.min.css': 'css/css.css'

          // 'css/css': 'css/css.css'
          // this way when someone downloads this site it won't work correctly
        }
      }
    },
    watch: {
      css: {
        files: ['src/*.css'],
        tasks: ['postcss']
      },
    },
    htmlmin: {                                     // Task
      dist: {                                      // Target
        options: {                                 // Target options
          removeComments: true,
          collapseWhitespace: true
        },
        files: {                                    // Dictionary of files
          'index.html': 'index-source.html'        // 'destination': 'source'
        }
      }
    },
    uglify: {
      options: {
        compress: {
          drop_console: true
        }
      },
      my_target: {
        files: {
          'js/js.min.js': [
            'js/js/text-scramble.js',
            'js/js/form-submission-handler.js',
            'js/js/menuspy.min.js',
            'js/js/menu-spy.js',
            'js/js/smooth-scroll.js',
            // 'js/js/github-calendar.min.js',
            'js/js/modal.js',
            'js/js/blazy.min.js',
            'js/js/be-lazy.js'
            // 'js/js/baseline.js',
          ]
        }
      }
    },
    // cacheBust: {
    //   options: {
    //       assets: ['dist/assets/**/*'],
    //       baseDir: './dist/'
    //   },
    //   taskName: {
    //     files: [{
    //       expand: true,
    //       cwd: 'dist/',
    //       src: ['index.html', 'assets/**/*']
    //     }]
    //   }
    // }
  });

  // Load the plugins
  grunt.loadNpmTasks('grunt-contrib-htmlmin');
  grunt.loadNpmTasks('grunt-postcss');
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-uglify-es');
  // grunt.loadNpmTasks('grunt-cache-bust');

  // Default tasks.
  grunt.registerTask('default', ['htmlmin'], ['postcss'], ['cssmin']);
};




// https://github.com/PaulTondeur/grunt-cache-busting