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fs = require 'fs'
del = require 'del'
run = require 'run-sequence'
cp = require('child_process')
spawn = cp.spawn
gulp = require 'gulp'
plugins = do require 'gulp-load-plugins'
browserSync = require 'browser-sync'

dir = {
  dest: '_site'
  srcSass: './share/style/src'
  srcCss: './share/style'
}

gulp.task 'jekyll', (done) ->
  browserSync.notify '<span style="color: grey">Running:</span> $ jekyll build'
  cp.spawn 'jekyll', ['build'], {stdio: 'inherit'}
  .on 'close', done

gulp.task 'jekyll-rebuild', ['jekyll'], ->
  browserSync.reload()

gulp.task 'browser-sync', ['css'], ->
  run 'jekyll'
  browserSync {
    server:
      baseDir: '_site'
  }

# HTML Validation
gulp.task 'htmlValidate', ->
  gulp.src ["./#{dir.dest}/*.html"]
  .pipe plugins.htmlValidator {
    format: 'json'
  }

  # 結果をコンソールに出力
  .pipe plugins.intercept (file) ->
    json = JSON.parse file.contents.toString()
    errors = json.messages.filter(e, i, a) ->
      return e.type != 'info'
    if errors.length == 0
      console.log '@@@ HTML OK! ⊂(^ω^)⊃ @@@'
    else
      console.log '\n\u001b[31m ???====== HTML ERROR! _(:3 」∠)_ ======???'
      console.log errors
      console.log ' \u001b[0m\n' + "\n"

# css: SCSSをコンパイル
gulp.task 'css', (cb) ->
  # compass
  gulp.src ["./#{dir.srcSass}/**/*.scss"]
  .pipe plugins.compass {
    project: __dirname
    sass: "./#{dir.srcSass}"
    css: "./#{dir.srcCss}"
  }
  .pipe gulp.dest "./#{dir.srcCss}"

# cleanDest
gulp.task 'cleanDest', (cb) ->
  del [
    "./#{dir.dest}"
  ], cb