gulp+webpack環境でcoffeeのエラーをGrowlとtmuxへ出力するタスク

checkEnv.coffee

#-------------------------------------------------------------------------------
# オプション解析
#-------------------------------------------------------------------------------
minimist = require 'minimist'

OptionUtil = ->
  knownOptions =
    string: 'env'
    default:
      env: process.env.NODE_ENV || 'development'

  options = minimist process.argv.slice(2), knownOptions

  subFuncs =
    env: options.env
    isProduction: ->
      options.env == 'production'

module.exports = OptionUtil

coffee.coffee

#-------------------------------------------------------------------------------
# ライブラリ読み込み
#-------------------------------------------------------------------------------
gulp = require 'gulp'
gutil = require 'gulp-util'
path = require 'path'
handleErrors = require '../util/handleErrors.coffee'
isProduction = require('../util/checkEnv.coffee')().isProduction()

# コンフィグ
config    = require('../config.coffee').coffee

# coffee,JavaScript関連
coffee  = require 'gulp-coffee'
webpack = require 'webpack-stream'
plumber = require 'gulp-plumber'

#-------------------------------------------------------------------------------
# coffee
#-------------------------------------------------------------------------------
gulp.task 'coffee', ->
  gulp.src config.src
    .pipe webpack config.webpack, null, (error, stats) ->
      convRelativePath = (filepath) ->
        path.relative process.cwd(), filepath
      for err in stats.compilation.errors
        # エラー時にアラートを表示
        handleErrors err, false, (msg) -> # エラーログのフォーマット調整関数
          if typeof msg == 'object' && msg.module?
            file = convRelativePath msg.module.userRequest

          # stderrとgrowl用
          message = msg.toString()
                  .replace(/ModuleError:\s*/m, '')
                  .replace(new RegExp(process.cwd(), 'g'), '.')

          # tmux用
          tmuxMessage = ''
          for msg in message.replace(/(\u001b|\[[0-9;]+m)/g, '').split '\n'
            # エラー行のみ抽出するがcoffee-lintのmax_line_lengthの警告は使わない
            if msg.match(/^\s*\d+\s*error\s/)? && !msg.match(/max_line_length$/)?
              tmuxMessage += ' // ' if tmuxMessage != ''
              tmuxMessage += msg.replace /^\s*\d+\s*error\s+/, ''
          {
            title: file
            file: file
            message: message
            tmuxMessage: '[' + file + '] : ' + tmuxMessage
          }
        break
    .pipe gulp.dest config.dest

handleErrors.coffee

# https://raw.githubusercontent.com/greypants/gulp-starter/master/gulp/util/handleErrors.js
# 上記の物を元に魔改造してます
notify = require 'gulp-notify'
notifier = require 'gulp-notify/node_modules/node-notifier'
gutil = require 'gulp-util'
exec = require('child_process').exec

module.exports = ->
  [error, canEnd, formatter] = Array.prototype.slice.call arguments
  notifyMessage = { title: 'Compile Error', message: '' }

  if formatter? && typeof formatter == 'function'
    try
      msg = formatter error if formatter?
    catch e
      gutil.log '[notify formatter] ' + e.toString()
    if msg instanceof Object && !(msg instanceof Array)
      notifyMessage.title = msg.title if msg.title?
      notifyMessage.message = msg.message if msg.message?
      notifyMessage.file = msg.file if msg.file?
      notifyMessage.tmuxMessage = msg.tmuxMessage if msg.tmuxMessage?
    notifyMessage.message = msg.toString() if notifyMessage.message == ''
  else
    notifyMessage.message = error.toString().trim() if error?

  # remove the escape sequence of message
  notifyMessage.notifier = (options, callback) ->
    # remove the same top line as the title
    firstTitleLine = new RegExp('^[\./\s\S]*' + options.title + '\s*\n')
    options.message = options.message
                            .replace(/(\u001b|\[[0-9;]+m)/g, '')
                            .trim()
                            .replace(firstTitleLine, '')
    notifier.notify options, callback

  # Send error to notification center with gulp-notify
  notify.onError(notifyMessage).call @, error

  # tmux display-message
  displayTime = null
  exec 'ps alx | grep tmux | grep -v grep | wc -l', (err, stdout, stderr) ->
    try
      exec 'tmux show-option -g display-time', (err, stdout, stderr) ->
        if stdout.match /display-time [\d]+/
          displayTime = parseInt stdout.split(' ')[1].trim()
      exec 'tmux set-option -g display-time 3500'
      message = ''
      if notifyMessage.tmuxMessage?
        message = notifyMessage.tmuxMessage
                                .replace(/(\u001b|\[[0-9;]+m|\n)/g, '')
      else
        message = notifyMessage.message.replace(/(\u001b|\[[0-9;]+m|\n)/g, '')
      exec 'tmux display-message \'' + message + '\'', (err, stdout, stderr) ->
        exec 'tmux set-option -g display-time' + displayTime if displayTime?
    catch
      exec 'tmux set-option -g display-time' + displayTime if displayTime?

  # Keep gulp from hanging on this task
  if !canEnd? || canEnd
    @emit 'end'
  return