Using Emacs Prelude now.... gonna figure things out

Signed-off-by: TuDatTr <tran.tuan-dat@mailbox.org>

emacs/.emacs.d/modules/prelude-coffee.el

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+;;; prelude-coffee.el --- Emacs Prelude: CoffeeScript programming support.
+;;
+;; Copyright © 2011-2017 Bozhidar Batsov
+;;
+;; Author: Bozhidar Batsov <bozhidar@batsov.com>
+;; URL: https://github.com/bbatsov/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:
+
+(require 'prelude-programming)
+(prelude-require-package 'coffee-mode)
+
+(eval-after-load 'coffee-mode
+  '(progn
+     ;; CoffeeScript uses two spaces.
+     (setq coffee-tab-width 2)
+
+     ;; remove the "Generated by CoffeeScript" header
+     (add-to-list 'coffee-args-compile "--no-header")
+
+     (defun prelude-coffee-mode-defaults ()
+       ;; Update the already compiled js on save
+       (and (buffer-file-name)
+            (file-exists-p (buffer-file-name))
+            (file-exists-p (coffee-compiled-file-name (buffer-file-name)))
+            (coffee-cos-mode t))
+       (subword-mode +1))
+
+     (setq prelude-coffee-mode-hook 'prelude-coffee-mode-defaults)
+
+     (add-hook 'coffee-mode-hook (lambda ()
+                                   (run-hooks 'prelude-coffee-mode-hook)))))
+(provide 'prelude-coffee)
+
+;;; prelude-coffee.el ends here