こうする。挙動がVSCodeに近くなると思われる。キーバインドはお好みで。
(defun neo-open-file-other-tab (full-path &optional arg) "Open a file node in another tab. FULL-PATH is the file path you want to open." (neo-global--select-mru-window arg) (find-file-other-tab full-path) (neotree-toggle)) (with-eval-after-load "neotree" (define-key neotree-mode-map (kbd "f") (neotree-make-executor :file-fn 'neo-open-file-other-tab)) )