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js-ts-mode: Highlight property shorthands in assignments

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* lisp/progmodes/js.el (js--treesit-lhs-identifier-query): Match
property shorthands (which turn into variable reference).
(js--treesit-fontify-assignment-lhs): Use the matches.
This commit is contained in:
Dmitry Gutov 2023-12-08 04:12:21 +02:00
parent 83ed9018ed
commit 4a72f13bdf
1 changed files with 4 additions and 2 deletions
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6
lisp/progmodes/js.el
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@ -3664,7 +3664,8 @@ OVERRIDE is the override flag described in
(defvar js--treesit-lhs-identifier-query (defvar js--treesit-lhs-identifier-query
(when (treesit-available-p) (when (treesit-available-p)
(treesit-query-compile 'javascript '((identifier) @id (treesit-query-compile 'javascript '((identifier) @id
(property_identifier) @id))) (property_identifier) @id
(shorthand_property_identifier_pattern) @id)))
"Query that captures identifier and query_identifier.") "Query that captures identifier and query_identifier.")
(defun js--treesit-fontify-assignment-lhs (node override start end &rest _) (defun js--treesit-fontify-assignment-lhs (node override start end &rest _)
@ -3676,7 +3677,8 @@ For OVERRIDE, START, END, see `treesit-font-lock-rules'."
(treesit-node-start node) (treesit-node-end node) (treesit-node-start node) (treesit-node-end node)
(pcase (treesit-node-type node) (pcase (treesit-node-type node)
("identifier" 'font-lock-variable-use-face) ("identifier" 'font-lock-variable-use-face)
("property_identifier" 'font-lock-property-use-face)) ("property_identifier" 'font-lock-property-use-face)
("shorthand_property_identifier_pattern" 'font-lock-variable-use-face))
override start end))) override start end)))
(defun js--treesit-defun-name (node) (defun js--treesit-defun-name (node)