#compdef mktransform
_mktransform(){
  typeset -A opt_args;
  local context state state_descr line ret=1;
  local actions options commands;

  options=(
    "(-h --help)"{-h,--help}"[Display help and exit]" 
    "--version[Print the version and exit]"
  )

  actions=(
    "*:file:_files -g '*.js'"
  )

  _arguments \
    $options \
    $actions && ret=0;

  (( $ret == 1 )) && _arguments \
    $options \
    $actions && ret=0;
  return $ret;
}

_mktransform "$@"