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emacs-29 12b2b8864c 2/2: Fix empty pairs in js tree-sitter imenu alist (
From: |
Yuan Fu |
Subject: |
emacs-29 12b2b8864c 2/2: Fix empty pairs in js tree-sitter imenu alist (bug#59945) |
Date: |
Tue, 20 Dec 2022 23:51:01 -0500 (EST) |
branch: emacs-29
commit 12b2b8864c295ce27594e8a907ebb3423e58a9d4
Author: Charl P. Botha <cpbotha@vxlabs.com>
Commit: Yuan Fu <casouri@gmail.com>
Fix empty pairs in js tree-sitter imenu alist (bug#59945)
The current js--treesit-imenu, used by the JavaScript, TypeScript and
TSX tree-sitter modes, would return empty pairs in the imenu alist if
there were none of that type of symbol.
This would break both the built in imenu and also packages like
consult-imenu.
See https://github.com/minad/consult/issues/697 for the discussion
there.
* lisp/progmodes/js.el (js--treesit-imenu): Don't add nil indexes.
Copyright-paperwork-exempt: yes
---
lisp/progmodes/js.el | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index 8c1ee495c2..1b34c0de41 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -3738,9 +3738,14 @@ definition*\"."
node "function_declaration" nil 1000))
(var-tree (treesit-induce-sparse-tree
node "lexical_declaration" nil 1000)))
- `(("Class" . ,(js--treesit-imenu-1 class-tree))
- ("Variable" . ,(js--treesit-imenu-1 var-tree))
- ("Function" . ,(js--treesit-imenu-1 func-tree)))))
+ ;; When a sub-tree is empty, we should not return that pair at all.
+ (append
+ (and func-tree
+ `(("Function" . ,(js--treesit-imenu-1 func-tree))))
+ (and var-tree
+ `(("Variable" . ,(js--treesit-imenu-1 var-tree))))
+ (and class-tree
+ `(("Class" . ,(js--treesit-imenu-1 class-tree)))))))
;;; Main Function