インデントなしHTMLをインデントありHTMLに変換

.prettifyrc

{
  "indent": 2,
  "indent_char": " ",
  "indent_scripts": "normal",
  "wrap_line_length": 0,
  "brace_style": "expand",
  "preserve_newlines": true,
  "max_preserve_newlines": 1,
  "unformatted": [
    "a",
    "code",
    "pre"
  ]
}

Gruntfile.coffee

'use strict'

module.exports = (grunt) ->
  require('jit-grunt') grunt
  grunt.loadNpmTasks 'grunt-notify'

  grunt.initConfig
    prettify:
      options:
        config: '.prettifyrc'
      all:
        expand: true,
        cwd: '../htdocs',
        ext: '.html',
        src: ['**/*.html'],
        dest: '../dist'

    replace:
      htmlindent:
        src: [
          '../dist/*.html'
          '../dist/**/*.html'
        ]
        overwrite: true,
        replacements: [
          {
            from: /<\/div>\n\s+<!--\s\/(#|\.)/g
            to: '</div><!-- /$1'
          },
        ]

  # Register tasks.
  grunt.registerTask 'htmlindent', [
    'prettify:all'
    'replace:htmlindent'
  ]

  return;

package.json

{
  "name": "generator-skyward",
  "version": "1.0.0",
  "scripts": {
    "start": "grunt",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "dependencies": {},
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-notify": "^0.4.1",
    "grunt-prettify": "^0.4.0",
    "grunt-text-replace": "^0.3.12",
    "jit-grunt": "^0.9.0"
  },
  "private": true
}