Add SCSS error regexp to compilation buffer

emacs/.emacs.d/init/oni-css-mode-init.org

@@ -27,3 +27,21 @@ as pretty colors.
 #+BEGIN_SRC emacs-lisp
   (add-hook 'css-mode-hook 'rainbow-mode)
 #+END_SRC
+
+Add the scssc compiler's error message output to the compilation error
+regexps.
+
+#+BEGIN_SRC emacs-lisp
+  (eval-when-compile (require 'compile))
+
+  (with-eval-after-load 'compile
+    (defvar oni:scss-error-regexp
+      (rx (and bol
+               (zero-or-more space) "on line "
+               (group (one-or-more digit)) " of "
+               (group (one-or-more (or word punct (syntax symbol))))
+               eol)))
+
+    (add-to-list 'compilation-error-regexp-alist
+                 (list oni:scss-error-regexp 2 1 nil 2 2)))
+#+END_SRC