update packages

lisp/treemacs/treemacs-core-utils.el

@@ -100,6 +100,7 @@
   treemacs-dom-node->position)
 
 (treemacs-import-functions-from "treemacs-workspaces"
+  treemacs--next-project-pos
   treemacs--find-workspace
   treemacs-current-workspace
   treemacs-workspace->projects
@@ -204,7 +205,7 @@ PATH: File Path"
          (file-name-directory)
          (treemacs--unslash)))))
 
-(defconst treemacs--buffer-name-prefix " *Treemacs-")
+(defconst treemacs--buffer-name-prefix " *Treemacs-Buffer-")
 
 (defconst treemacs-dir
   ;; locally we're in src/elisp, installed from melpa we're at the package root
@@ -376,6 +377,16 @@ EXCLUDE-PREFIX: File Path"
             project (treemacs-button-get node :project)))
     project))
 
+(defun treemacs-last-node-of-project (project)
+  "Find the last node in given PROJECT.
+Returns nil if the project is not expanded."
+  (declare (side-effect-free t))
+  (let ((node (treemacs-project->position project)))
+    (when (treemacs-is-node-expanded? node)
+      (save-excursion
+        (goto-char node)
+        (previous-button (treemacs--next-project-pos))))))
+
 (define-inline treemacs--prop-at-point (prop)
   "Grab property PROP of the button at point.
 Returns nil when there is no button at point."