provide highlight-indent-guide

custom.el

@@ -11,7 +11,7 @@
  '(anzu-search-threshold 1000)
  '(package-selected-packages
    (quote
-    (yaml-mode editorconfig whitespace-cleanup-mode rainbow-mode scss-mode sass-mode less-css-mode ac-php smarty-mode php-mode pkgbuild-mode markdown-mode flycheck anzu sml-modeline smart-mode-line-powerline-theme smart-mode-line nlinum sublime-themes))))
+    (highlight-indent-guides yaml-mode whitespace-cleanup-mode sublime-themes sml-modeline smarty-mode smart-mode-line-powerline-theme scss-mode sass-mode rainbow-mode prettier-js pkgbuild-mode pcre2el nlinum markdown-mode less-css-mode flycheck editorconfig anzu ac-php))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.

init.el

@@ -34,6 +34,7 @@
 (require 'init-gui)
 (require 'init-editing-utils)
 (require 'init-modeline)
+(require 'init-indent-guides)
 ;; Tools
 (require 'init-flycheck)
 (require 'init-whitespace)

lisp/init-indent-guides.el

@@ -0,0 +1,8 @@
+;; This minor mode highlights indentation levels via font-lock
+(require-package 'highlight-indent-guides)
+
+(setq highlight-indent-guides-method 'character)
+
+(add-hook 'prog-mode-hook 'highlight-indent-guides-mode)
+
+(provide 'init-indent-guides)