lang/emacs-lisp: enable flycheck-mode if not in emacs.d

TODO.org

@@ -89,7 +89,7 @@
     + [ ] twitter
     + [ ] present
 
-** 2.0.3 [5/19]
+** 2.0.3 [6/20]
 + [ ] lang/org: fix janky visual line motions (~evil-next-visual-line~, etc)
 + [ ] lang/org: fix janky cursor positioning when manipulating org-table cells
 + [ ] lang/org: don't move cursor when realigning org tables
@@ -106,6 +106,7 @@
 + [ ] tools/upload: add ~+upload/open-remote-file~ command to open current file
       on the remote (with TRAMP)
 + [ ] tools/regex: PCRE regex editor, maybe ~re-builder~ & ~pcre2el~?
++ [X] lang/emacs-lisp: activate flycheck-mode in non-emacs.d files
 + [X] Fix evil normal-mode keybindings in help-mode popups
 + [X] Fix help-mode links opening new popups #ui
   Added ~:noclone~ property to popup rules

modules/lang/emacs-lisp/config.el

@@ -29,6 +29,10 @@
     (auto-compile-on-save-mode +1)
     (rainbow-delimiters-mode +1)
 
+    (when (and buffer-file-name
+               (not (file-in-directory-p buffer-file-name doom-emacs-dir)))
+      (flycheck-mode +1))
+
     (font-lock-add-keywords
      nil `(;; Display "lambda" as λ
            ("(\\(lambda\\)" (1 (ignore (compose-region (match-beginning 1) (match-end 1) ?λ #'decompose-region))))