Update my configuration files

elisp/custom.el

@@ -8,7 +8,7 @@
     ("67e998c3c23fe24ed0fb92b9de75011b92f35d3e89344157ae0d544d50a63a72" default)))
  '(package-selected-packages
    (quote
-    (counsel ivy-bibtex org-bullets paredit zenburn-theme slime rust-mode racket-mode polymode org lua-mode haskell-mode geiser ergoemacs-mode djvu auctex))))
+    (ess-smart-underscore company-tern auto-complete markdown-mode xref-js2 js2-refactor js2-mode writeroom-mode weechat counsel ivy-bibtex org-bullets paredit zenburn-theme slime rust-mode racket-mode polymode org lua-mode haskell-mode geiser ergoemacs-mode djvu auctex))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.

elisp/ess-setup.el

@@ -0,0 +1,10 @@
+;; better behavior inserting _
+(require ‘ess-smart-underscore)
+
+;; enable code auto completion
+(require 'auto-complete-config)
+(ac-config-default)
+(setq ac-auto-start nil)
+(define-key ac-mode-map (kbd "<f2>") 'auto-complete)
+(define-key ac-completing-map [return] nil)
+(setq ac-quick-help-delay 0.1)

elisp/extras.el

@@ -4,6 +4,7 @@
 
 ;; load my packages
 (require 'geiser)
+(require 'ess-site)
 
 ;; load my custom setups
 (load "~/.emacs.d/elisp/org-setup.el")
@@ -14,3 +15,5 @@
 (load "~/.emacs.d/elisp/ivy-setup.el")
 ;(load "~/.emacs.d/elisp/geiser-setup.el")
 (load "~/.emacs.d/elisp/keypad.el")
+(load "~/.emacs.d/elisp/javascript.el")
+;(load "~/.emacs.d/elisp/ess-setup.el")

elisp/javascript.el

@@ -0,0 +1,32 @@
+(require 'js2-mode)
+(add-to-list 'auto-mode-alist '("\\.js\\'" . js2-mode))
+
+;; Better imenu
+(add-hook 'js2-mode-hook #'js2-imenu-extras-mode)
+
+(require 'js2-refactor)
+(require 'xref-js2)
+
+(add-hook 'js2-mode-hook #'js2-refactor-mode)
+(js2r-add-keybindings-with-prefix "C-c C-r")
+(define-key js2-mode-map (kbd "C-k") #'js2r-kill)
+
+;; js-mode (which js2 is based on) binds "M-." which conflicts with xref, so
+;; unbind it.
+(define-key js-mode-map (kbd "M-.") nil)
+
+(add-hook 'js2-mode-hook (lambda ()
+  (add-hook 'xref-backend-functions #'xref-js2-xref-backend nil t)))
+
+;; Code completion via tern
+(require 'company)
+(require 'company-tern)
+
+(add-to-list 'company-backends 'company-tern)
+(add-hook 'js2-mode-hook (lambda ()
+                           (tern-mode)
+                           (company-mode)))
+
+;; Disable completion keybindings, as we use xref-js2 instead
+(define-key tern-mode-keymap (kbd "M-.") nil)
+(define-key tern-mode-keymap (kbd "M-,") nil)

elisp/org-setup.el

@@ -29,15 +29,23 @@
 
 	("org" :components ("org-notes" "org-static"))))
 
+;; preserve indentation on output
+(setq org-src-preserve-indentation t)
+
 ;; some config for org-babel
 (setq org-confirm-babel-evaluate nil
       org-src-fontify-natively t
-      org-src-tab-acts-natively t)
+      org-src-tab-acts-natively t
+      org-hide-emphasis-markers t)
 
-;;load languages babel
+;; use js2-mode instead of js-mode in org-mode
+(add-to-list 'org-src-lang-modes '("js" . js2))
+
+;; load languages babel
 (org-babel-do-load-languages
  'org-babel-load-languages
- '((clojure    . t)
+ '((C          . t)
+   (js         . t)
    (emacs-lisp . t)
    (haskell    . t)
    (scheme     . t)

elisp/polymode-setup.el

@@ -2,5 +2,10 @@
 
 ;; C
 (add-to-list 'auto-mode-alist '("\\.nw$" . poly-noweb+c-mode))
+;;; MARKDOWN
+(add-to-list 'auto-mode-alist '("\\.md" . poly-markdown-mode))
+;;; R modes
+(add-to-list 'auto-mode-alist '("\\.Rmd" . poly-markdown+r-mode))
+(add-to-list 'polymode-mode-name-override-alist '(javascript . js2-mode))
 
 (provide 'polymode-configuration)