[elpa] externals/vertico a8420acdbb 2/2: Improve single candidate behavior

[ELPA Syncer]

branch: externals/vertico
commit a8420acdbbadd190cdddc173e9f37221e2ffb676
Author: Daniel Mendler <mail@daniel-mendler.de>
Commit: Daniel Mendler <mail@daniel-mendler.de>

    Improve single candidate behavior
    
    - vertico-insert: Insert single candidate even if not selected
    - vertico-exit: Never insert single candidate if not selected
---
 vertico.el | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/vertico.el b/vertico.el
index 998a4e083f..d7273847b2 100644
--- a/vertico.el
+++ b/vertico.el
@@ -672,7 +672,8 @@ The function is configured by BY, BSIZE, BINDEX, BPRED and 
PRED."
 (defun vertico-exit (&optional arg)
   "Exit minibuffer with current candidate or input if prefix ARG is given."
   (interactive "P")
-  (unless arg (vertico-insert))
+  (when (and (not arg) (>= vertico--index 0))
+    (vertico-insert))
   (when (vertico--match-p (minibuffer-contents-no-properties))
     (exit-minibuffer)))
 
@@ -721,8 +722,9 @@ When the prefix argument is 0, the group order is reset."
   ;; candidate only includes the prefix "~/emacs/master/lisp/", but not the
   ;; suffix "/calc". Default completion has the same problem when selecting in
   ;; the *Completions* buffer. See bug#48356.
-  (when (>= vertico--index 0)
-    (insert (prog1 (vertico--candidate) (delete-minibuffer-contents)))))
+  (when (or (>= vertico--index 0) (= vertico--total 1))
+    (let ((vertico--index (max 0 vertico--index)))
+      (insert (prog1 (vertico--candidate) (delete-minibuffer-contents))))))
 
 (defun vertico--candidate (&optional hl)
   "Return current candidate string with optional highlighting if HL is 
non-nil."