UTF-8のSCSSファイルからCSSを生成して、ファイルエンコーディングをShift_JISに変換する

Gruntfile.js

module.exports = function(grunt){
  var path = require('path');
  var matchdep = require('matchdep');

  matchdep.filterDev('grunt-*').forEach(grunt.loadNpmTasks);

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    compass: {
      dev: {
        options: {
          bundleExec: true,
          config: 'config.rb',
          environment: 'development'
        }
      },
      prod: {
        options: {
          bundleExec: true,
          config: 'config.rb',
          environment: 'production'
        }
      }
    },
    // watch some files status
    watch: {
      css: {
        options: {
          livereload: true
        },
        files: [
          'scss/**/*.scss'
        ],
        tasks: ['compass:dev', 'convertUTF8toSJIS']
      }
    },
    replace: {
      csstosjis: {
        src: ['css/*.css'],
        overwrite: true,
        replacements: [{
          from: /UTF-8/g,
          to: "Shift_JIS"
        }]
      }
    },
    utf8tosjis: {
      css: {
        expand: true,
        cwd   : 'css/',
        src   : ['*.css'],
        dest  : 'css/',
        ext   : '.css'
      }
    }
  });

  // resiter tasks
  grunt.registerTask('convertUTF8toSJIS', ['replace:csstosjis', 'utf8tosjis:css']);
  grunt.registerTask('default', ['watch']);

};

package.json

{
  "name": "SAMPLE",
  "version": "1.0.0",
  "description": "This is sample project",
  "main": "",
  "author": "@geckotang",
  "readmeFilename": "README.md",
  "devDependencies": {
    "grunt": "~0.4.2",
    "matchdep": "*",
    "grunt-contrib-watch": "*",
    "grunt-contrib-compass": "~0.5.0",
    "grunt-utf8tosjis": "0.0.2",
    "grunt-text-replace": "~0.3.12"
  },
  "dependencies": {}
}