Add treesit-node-top-level

Merge treesit-node-top-level-p and treesit--find-top-level-match into
treesit-node-top-level.

* doc/lispref/parsing.texi (Retrieving Node): Add manual entry for it.
* lisp/progmodes/js.el (js--treesit-imenu-1): Replace
treesit-node-top-level-p with treesit-node-top-level.
* lisp/treesit.el (treesit-node-top-level-p)
(treesit--find-top-level-match): Remove functions.
(treesit-node-top-level): New function.
* lisp/treesit.el (treesit-beginning-of-defun)
(treesit-end-of-defun): Replace treesit--find-top-level-match with
treesit-node-top-level.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index d6ec3199abf..8d1cfbd3c0e 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -3670,8 +3670,9 @@ definition*\"."
     (cond
      ((null ts-node)
       subtrees)
+     ;; Don't included non-top-level variable declarations.
      ((and (eq type 'variable)
-           (not (treesit-node-top-level-p ts-node)))
+           (treesit-node-top-level ts-node))
       nil)
      (subtrees
       (let ((parent-label (js--treesit-imenu-label type name))