Fix the following functions might not be defined at runtime

- off-p
- shrink-path-dirs
- neo-buffer--insert-root-entry

Fix functions are not known to be defined

- shrink-root-entry
- projectile-project-root

FS #2

modules/init-neotree.el

@@ -28,6 +28,8 @@
                ("d" . neotree-delete-node)
                ("r" . neotree-rename-node)))
   :config
+  (when (and (require 'neotree nil t)
+             (fboundp 'off-p))
     (setq neo-create-file-auto-open nil
           neo-auto-indent-point nil
           neo-autorefresh t
@@ -51,20 +53,28 @@
             ;; org-mode folders
             "^\\.\\(sync\\|export\\|attach\\)$"
             "~$"
-          "^#.*#$"))
+            "^#.*#$")))
 
   (when (bound-and-true-p winner-mode)
     (push neo-buffer-name winner-boring-buffers))
 
   (defun shrink-root-entry (node)
     "shrink-print pwd in neotree"
-    (insert (propertize (concat (shrink-path-dirs node) "\n") 'face `(:inherit (,neo-root-dir-face)))))
+    (when (and (require 'neotree nil t)
+               (fboundp 'shrink-path-dirs))
+      (insert (propertize (concat (shrink-path-dirs node) "\n") 'face `(:inherit (,neo-root-dir-face))))))
 
+  (when (and (require 'neotree nil t)
+             (fboundp 'neo-buffer--insert-root-entry)
+             (fboundp 'shrink-root-entry))
     (advice-add #'neo-buffer--insert-root-entry :override #'shrink-root-entry))
+  )
 
 (defun neotree-project-dir-toggle ()
   "Open NeoTree using the project root, using find-file-in-project or the current buffer directory."
   (interactive)
+  (when (and (require 'neotree nil t)
+             (fboundp 'projectile-project-root))
     (let ((project-dir
            (ignore-errors
              ;;; Pick one: projectile or find-file-in-project
@@ -79,8 +89,7 @@
           (if project-dir
               (neotree-dir project-dir))
           (if file-name
-            (neotree-find file-name))))))
-
+              (neotree-find file-name)))))))
 
 (provide 'init-neotree)