Emacs configuration

README.txt

From github:
autopair;
emacs-async;
emacs-neotree;
Fill-Column-Indicator;
helm;
helm-projectile;
highlight-indent-guides;

From Melpa:
async;
evil;
flycheck;
helm-ag;
js2-mode;
projectile;
sublime-themes;
web-mode;

init.el

(when (>= emacs-major-version 24)
  (require 'package)
  (add-to-list
   'package-archives
   '("melpa" . "http://melpa.org/packages/")
   t)
  (package-initialize))

;; If async is installed
(add-to-list 'load-path "~/.emacs.d/plugins/emacs-async")

(add-to-list 'load-path "~/.emacs.d/plugins/helm")
(require 'helm-config)

(add-hook 'prog-mode-hook 'projectile-mode)

;; Enable mouse support
(unless window-system
  (require 'mouse)
  (xterm-mouse-mode t)
  (global-set-key [mouse-4] (lambda ()
                              (interactive)
                              (scroll-down 1)))
  (global-set-key [mouse-5] (lambda ()
                              (interactive)
                              (scroll-up 1)))
  (defun track-mouse (e))
  (setq mouse-sel-mode t)
)

;; Vim mode
(require 'evil)
(evil-mode 1)
(evil-define-key 'normal neotree-mode-map (kbd "TAB") 'neotree-enter)
(evil-define-key 'normal neotree-mode-map (kbd "SPC") 'neotree-enter)
(evil-define-key 'normal neotree-mode-map (kbd "q") 'neotree-hide)
(evil-define-key 'normal neotree-mode-map (kbd "RET") 'neotree-enter)

;; Hide Toolbar and Menubar
(tool-bar-mode -1)
(menu-bar-mode -1)

;; Line numbers
(add-hook 'prog-mode-hook 'linum-mode)
(setq linum-format "%d ")

;; indentation guides
(add-to-list 'load-path "~/.emacs.d/plugins/highlight-indent-guides")
(require 'highlight-indent-guides)
(setq highlight-indent-guides-method 'character)
;; (setq highlight-indent-guides-character ?\┆)

(setq highlight-indent-guides-auto-enabled nil)
(set-face-background 'highlight-indent-guides-odd-face "gray20")
(set-face-background 'highlight-indent-guides-even-face "gray20")
(set-face-foreground 'highlight-indent-guides-character-face "gray20")

(add-hook 'prog-mode-hook 'highlight-indent-guides-mode)

;; Neotree
(add-to-list 'load-path "~/.emacs.d/plugins/emacs-neotree")
(require 'neotree)
(global-set-key [f8] 'neotree-toggle)
(put 'dired-find-alternate-file 'disabled nil)

;; Automagically pair braces and quotes in emacs like TextMate
(add-to-list 'load-path "~/.emacs.d/plugins/autopair")
(require 'autopair)
(autopair-global-mode)

;; Theme
(load-theme 'spolsky t nil)

;; 80 column indicator
(add-to-list 'load-path "~/.emacs.d/plugins/Fill-Column-Indicator")
(require 'fill-column-indicator)
(define-globalized-minor-mode global-fci-mode fci-mode (lambda () (fci-mode 1)))
(global-fci-mode 1)
(setq fci-rule-width 1)
(setq fci-rule-color "gray20")
(setq fci-rule-column 80)

;; Font size
(set-face-attribute 'default nil :height 150)

;; Rails
(setq ruby-insert-encoding-magic-comment nil)

;; Javascript http://codewinds.com/blog/2015-04-02-emacs-flycheck-eslint-jsx.html
(setq js2-highlight-level 3)

;; use web-mode for .jsx files
(add-to-list 'auto-mode-alist '("\\.jsx$" . web-mode))

;; http://www.flycheck.org/manual/latest/index.html
(require 'flycheck)

;; turn on flychecking globally
(add-hook 'after-init-hook #'global-flycheck-mode)

;; disable jshint since we prefer eslint checking
(setq-default flycheck-disabled-checkers
  (append flycheck-disabled-checkers
    '(javascript-jshint)))

;; use eslint with web-mode for jsx files
(flycheck-add-mode 'javascript-eslint 'web-mode)

;; customize flycheck temp file prefix
(setq-default flycheck-temp-prefix ".flycheck")

;; disable json-jsonlist checking for json files
(setq-default flycheck-disabled-checkers
  (append flycheck-disabled-checkers
    '(json-jsonlist)))

;; https://github.com/purcell/exec-path-from-shell
;; only need exec-path-from-shell on OSX
;; this hopefully sets up path and other vars better
(when (memq window-system '(mac ns))
  (exec-path-from-shell-initialize))

;; use local eslint from node_modules before global
;; http://emacs.stackexchange.com/questions/21205/flycheck-with-file-relative-eslint-executable
(defun my/use-eslint-from-node-modules ()
  (let* ((root (locate-dominating-file
                (or (buffer-file-name) default-directory)
                "node_modules"))
         (eslint (and root
                      (expand-file-name "node_modules/eslint/bin/eslint.js"
                                        root))))
    (when (and eslint (file-executable-p eslint))
      (setq-local flycheck-javascript-eslint-executable eslint))))
(add-hook 'flycheck-mode-hook #'my/use-eslint-from-node-modules)

;; adjust indents for web-mode to 2 spaces
(defun my-web-mode-hook ()
  "Hooks for Web mode. Adjust indents"
  ;;; http://web-mode.org/
  (setq web-mode-markup-indent-offset 2)
  (setq web-mode-css-indent-offset 2)
  (setq web-mode-code-indent-offset 2))
(add-hook 'web-mode-hook  'my-web-mode-hook)

;; identation config
(setq-default indent-tabs-mode nil)
(setq js-indent-level 2)

;; for better jsx syntax-highlighting in web-mode
;; - courtesy of Patrick @halbtuerke
(defadvice web-mode-highlight-part (around tweak-jsx activate)
  (if (equal web-mode-content-type "jsx")
    (let ((web-mode-enable-part-face nil))
      ad-do-it)
    ad-do-it))

;; BACKUP AND AUTO SAVE FILES
(setq backup-directory-alist
          `((".*" . ,"~/tmp/emacs-files")))
(setq auto-save-file-name-transforms
          `((".*" ,"~/tmp/emacs-files" t)))

(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(default ((t (:background nil))))
 '(scroll-bar ((t (:background "gray0")))))

(setq debug-on-error t)