Racket extension has been added

lib/extensions/racket.el

@@ -0,0 +1,28 @@
+;;; RacketExtension --- Enables Racket development on FG42
+;;; Commentary:
+;; In order to user racket extension `racket' itself should
+;; be available on the path provided by `exec-path'.
+;;; Code:
+
+(require 'fpkg)
+(require 'fg42/extension)
+(require 'extensions/racket/init)
+
+;; Dependencies ----------------------------------
+(depends-on 'racket-mode)
+(depends-on 'paredit)
+(depends-on 'flycheck)
+(depends-on 'clojure-mode-extra-font-locking)
+(depends-on 'rainbow-delimiters)
+
+(defun racket-doc ()
+  "Something fun.")
+
+;; Extension -------------------------------------
+(extension racket
+           :version "2.32"
+           :on-initialize extensions/racket-initialize
+           :docs "lib/extensions/racket/readme.org")
+
+(provide 'extensions/racket)
+;;; racket.el ends here

lib/extensions/racket/init.el

@@ -0,0 +1,27 @@
+;;; RacketExtension --- Enables Racket development on FG42
+;;; Commentary:
+;;; Code:
+
+;;;###autoload
+(defun extensions/racket-initialize ()
+  "Initialize the racket extension."
+  (ability racket-editor ('flycheck)
+           (require 'racket-mode)
+
+           (add-to-list 'auto-mode-alist '("\\.rkts$" . racket-mode))
+           (add-to-list 'auto-mode-alist '("\\.rkt$" . racket-mode))
+           (add-to-list 'auto-mode-alist '("\\.rktl$" . racket-mode))
+           (add-to-list 'auto-mode-alist '("\\.rktd$" . racket-mode))
+
+           (add-hook 'racket-mode-hook      #'racket-unicode-input-method-enable)
+           (add-hook 'racket-repl-mode-hook #'racket-unicode-input-method-enable)
+           (add-hook 'racket-mode-hook #'paredit-mode)
+           (add-hook 'racket-mode-hook #'rainbow-delimiters-mode)
+           (setq tmp-directory (concat (getenv "HOME") "/.tmp")))
+
+  (with-ability parinfer ()
+                (add-hook 'racket-mode-hook #'parinfer-mode)))
+
+
+(provide 'extensions/racket/init)
+;;; init.el ends here