Máscara de telefones com opção de dígito adicional

mascara.coffee

###
  Plugin : https://github.com/igorescobar/jQuery-Mask-Plugin/
  
  bower install jQuery-Mask-Plugin
  
  components/jQuery-Mask-Plugin/jquery.mask.min.js
###

campos = jQuery '.mascara_telefone, #telefone, #celular'

SPphoneMask = (phone, e, currentField, options) ->
  if phone.match /^(\(?11\)? ?9(5[0-9]|6[0-9]|7[01234569]|8[0-9]|9[0-9])[0-9]{1})/g
    "(00) 00000-0000"
  else
    "(00) 0000-0000"

campos.attr 'placeholder', '(00)0000-0000'
campos.mask? SPphoneMask,
  onKeyPress: (phone, e, currentField, options) ->
    jQuery(currentField).mask? SPphoneMask(phone), options