emacs-prelude/modules/prelude-coffee.el

;;; prelude-coffee.el --- Emacs Prelude: CoffeeScript programming support.
;;
;; Copyright (c) 2011 Bozhidar Batsov
;;
;; Author: Bozhidar Batsov <bozhidar.batsov@gmail.com>
;; URL: http://www.emacswiki.org/cgi-bin/wiki/Prelude
;; Version: 1.0.0
;; Keywords: convenience

;; This file is not part of GNU Emacs.

;;; Commentary:

;; CoffeeScript is a nice little language that comples to JavaScript.

;;; License:

;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Code:

(defgroup coffee nil
  "Emacs Prelude CoffeeScript support"
  :group 'prelude)

(defcustom prelude-enable-coffee-hook t
  "Enable Prelude's CoffeeScript's hook"
  :type 'boolean
  :group 'coffee)

(require 'coffee-mode)

(defun prelude-coffee-mode-hook ()
  "coffee-mode-hook"

  ;; CoffeeScript uses two spaces.
  (set (make-local-variable 'tab-width) 2)

  ;; If you don't have js2-mode
  (setq coffee-js-mode 'javascript-mode)

  ;; If you don't want your compiled files to be wrapped
  (setq coffee-args-compile '("-c" "--bare"))

  ;; *Messages* spam
  (setq coffee-debug-mode t)

  ;; electric-indent doesn't play nice with coffee-mode's "smart"
  ;; indent
  (electric-indent-mode -1)

  ;; Emacs key binding
  (define-key coffee-mode-map [(meta r)] 'coffee-compile-buffer)

  ;; Riding edge.
  (setq coffee-command "~/dev/coffee")

  ;; Compile '.coffee' files on every save
  (and (file-exists-p (buffer-file-name))
       (file-exists-p (coffee-compiled-file-name))
       (coffee-cos-mode t)))

(when prelude-enable-coffee-hook
 (add-hook 'coffee-mode-hook 'prelude-coffee-mode-hook))

(provide 'prelude-coffee)

;;; prelude-coffee.el ends here