gulp.task 'i18n', ->

  fs = require 'fs'
  locales_dir = 'src/locales'
  locales = fs.readdirSync locales_dir

  for locale in locales
    locale_dir = locales_dir+'/'+locale
    stat = fs.statSync locale_dir
    if !stat.isDirectory()
      continue
    locale_file = locale_dir+'/translation.json'
    translation = JSON.parse(fs.readFileSync(locale_file, 'utf-8'))
    console.log translation.header.nav.b1

    gulp.src 'src/jade/*.jade'
      .pipe consolidate 'jade', translation
      .pipe extReplace '.html'
      .pipe prettify
        indent_char: ' '
        indent_size: 2
      .pipe gulp.dest 'build/'+locale