editor/format: don't move cursor on save

modules/editor/format/autoload/format.el

@@ -217,3 +217,14 @@ is selected)."
   (if (use-region-p)
       (+format-region beg end)
     (format-all-buffer)))
+
+
+;;
+;; Hooks
+;;
+
+;;;###autoload
+(defun +format|on-save ()
+  "Runs `format-all-buffer' without moving the cursor."
+  (save-excursion
+    (format-all-buffer)))

modules/editor/format/config.el

@@ -26,7 +26,7 @@ control which major modes to target."
                     ((not (memq major-mode +format-on-save-enabled-modes))))
               (not (require 'format-all nil t))
               (not (format-all-probe)))
-    (format-all-mode +1)))
+    (add-hook 'before-save-hook #'+format|on-save)))
 
 (when (featurep! +onsave)
   (add-hook 'after-change-major-mode-hook #'+format|enable-on-save-maybe))