Selectrum: add embark action to open file in new workspace

modules/completion/selectrum/autoload/workspaces.el

@@ -45,3 +45,9 @@ Use consult narrowing with another workspace number to open a buffer from that w
     ;; create a new buffer with the name.
     (unless (cdr buffer)
       (funcall consult--buffer-display (car buffer)))))
+
+;;;###autoload
+(defun +selectrum-embark-open-in-new-workspace (x)
+  "Open X (a file) in a new workspace."
+  (+workspace/new)
+  (find-file x))

modules/completion/selectrum/config.el

@@ -148,7 +148,8 @@
         (nthcdr pos embark-target-finders)))
   (map!
    :map embark-file-map
-   :desc "Open target with sudo" "s" #'doom/sudo-find-file)
+   :desc "Open target with sudo" "s" #'doom/sudo-find-file
+   :desc "Open in new workspace" "TAB" #'+selectrum-embark-open-in-new-workspace)
   (setq embark-package-map (make-sparse-keymap))
   (map! :map embark-package-map
         "h" #'doom/help-packages