autogrunt

autogrunt.coffee

sys = require 'sys'
{exec} = require 'child_process'
fsevents = require 'fsevents'

###################################

compiling = false
compiler = null

notify = (message, type = 'info') ->
  console.log(message)
  exec "osx-notifier --title \"Grunt\" --type \"#{type}\" --message #{JSON.stringify(message)}"

compile = ->
  if compiling and compiler?
    compiler.kill("SIGKILL")
    compiler.on 'close', (code, signal) -> compile()
    notify("Killing previous compile", "fail")
    return

  compiling = true
  start = Date.now()

  notify('Starting Grunt')

  compiler = exec "cd amazine; grunt scripts", (error, stdout, stderr) ->
    message = "Done in #{Date.now() - start}ms"
    type = "pass"
    type = "fail" if error?
    notify(message, type)
    compiling = false

  compiler.stdout.pipe process.stdout

watcher = fsevents('./amazine/scripts')
watcher.on 'change', (path) ->
  extension = path.split('.').pop()
  if extension in ['coffee', 'tmpl', 'scss']
    console.log path
    compile()

watcher.start()

compile()

Install with npm:

osx-notifier -g
fsevents

Mac only