+++ /dev/null
-;;; ts-mode.el --- tree sitter support for TypeScript -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2022 Free Software Foundation, Inc.
-
-;; Author : Theodor Thornhill <theo@thornhill.no>
-;; Maintainer : Theodor Thornhill <theo@thornhill.no>
-;; Created : October 2022
-;; Keywords : typescript tsx languages tree-sitter
-
-;; This file is part of GNU Emacs.
-
-;; This program is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-;;; Code:
-
-(require 'treesit)
-(require 'rx)
-(require 'js)
-
-(declare-function treesit-parser-create "treesit.c")
-
-(defcustom ts-mode-indent-offset 2
- "Number of spaces for each indentation step in `ts-mode'."
- :version "29.1"
- :type 'integer
- :safe 'integerp
- :group 'typescript)
-
-(defvar ts-mode--syntax-table
- (let ((table (make-syntax-table)))
- ;; Taken from the cc-langs version
- (modify-syntax-entry ?_ "_" table)
- (modify-syntax-entry ?$ "_" table)
- (modify-syntax-entry ?\\ "\\" table)
- (modify-syntax-entry ?+ "." table)
- (modify-syntax-entry ?- "." table)
- (modify-syntax-entry ?= "." table)
- (modify-syntax-entry ?% "." table)
- (modify-syntax-entry ?< "." table)
- (modify-syntax-entry ?> "." table)
- (modify-syntax-entry ?& "." table)
- (modify-syntax-entry ?| "." table)
- (modify-syntax-entry ?` "\"" table)
- (modify-syntax-entry ?\240 "." table)
- table)
- "Syntax table for `ts-mode'.")
-
-(defvar ts-mode--indent-rules
- `((tsx
- ((parent-is "program") parent-bol 0)
- ((node-is "}") parent-bol 0)
- ((node-is ")") parent-bol 0)
- ((node-is "]") parent-bol 0)
- ((node-is ">") parent-bol 0)
- ((and (parent-is "comment") comment-end) comment-start -1)
- ((parent-is "comment") comment-start-skip 0)
- ((parent-is "ternary_expression") parent-bol ts-mode-indent-offset)
- ((parent-is "member_expression") parent-bol ts-mode-indent-offset)
- ((parent-is "named_imports") parent-bol ts-mode-indent-offset)
- ((parent-is "statement_block") parent-bol ts-mode-indent-offset)
- ((parent-is "type_arguments") parent-bol ts-mode-indent-offset)
- ((parent-is "variable_declarator") parent-bol ts-mode-indent-offset)
- ((parent-is "arguments") parent-bol ts-mode-indent-offset)
- ((parent-is "array") parent-bol ts-mode-indent-offset)
- ((parent-is "formal_parameters") parent-bol ts-mode-indent-offset)
- ((parent-is "template_substitution") parent-bol ts-mode-indent-offset)
- ((parent-is "object_pattern") parent-bol ts-mode-indent-offset)
- ((parent-is "object") parent-bol ts-mode-indent-offset)
- ((parent-is "object_type") parent-bol ts-mode-indent-offset)
- ((parent-is "enum_body") parent-bol ts-mode-indent-offset)
- ((parent-is "arrow_function") parent-bol ts-mode-indent-offset)
- ((parent-is "parenthesized_expression") parent-bol ts-mode-indent-offset)
-
- ;; TSX
- ((parent-is "jsx_opening_element") parent ts-mode-indent-offset)
- ((node-is "jsx_closing_element") parent 0)
- ((parent-is "jsx_element") parent ts-mode-indent-offset)
- ((node-is "/") parent 0)
- ((parent-is "jsx_self_closing_element") parent ts-mode-indent-offset)
- (no-node parent-bol 0)))
- "Tree-sitter indent rules.")
-
-(defvar ts-mode--keywords
- '("!" "abstract" "as" "async" "await" "break"
- "case" "catch" "class" "const" "continue" "debugger"
- "declare" "default" "delete" "do" "else" "enum"
- "export" "extends" "finally" "for" "from" "function"
- "get" "if" "implements" "import" "in" "instanceof" "interface"
- "keyof" "let" "namespace" "new" "of" "private" "protected"
- "public" "readonly" "return" "set" "static" "switch"
- "target" "throw" "try" "type" "typeof" "var" "void"
- "while" "with" "yield")
- "TypeScript keywords for tree-sitter font-locking.")
-
-(defvar ts-mode--operators
- '("=" "+=" "-=" "*=" "/=" "%=" "**=" "<<=" ">>=" ">>>=" "&=" "^="
- "|=" "&&=" "||=" "??=" "==" "!=" "===" "!==" ">" ">=" "<" "<=" "+"
- "-" "*" "/" "%" "++" "--" "**" "&" "|" "^" "~" "<<" ">>" ">>>"
- "&&" "||" "!" "?.")
- "TypeScript operators for tree-sitter font-locking.")
-
-(defvar ts-mode--font-lock-settings
- (treesit-font-lock-rules
- :language 'tsx
- :override t
- :feature 'comment
- `((comment) @font-lock-comment-face)
-
- :language 'tsx
- :override t
- :feature 'constant
- `(((identifier) @font-lock-constant-face
- (:match "^[A-Z_][A-Z_\\d]*$" @font-lock-constant-face))
-
- [(true) (false) (null)] @font-lock-constant-face)
-
- :language 'tsx
- :override t
- :feature 'keyword
- `([,@ts-mode--keywords] @font-lock-keyword-face
- [(this) (super)] @font-lock-keyword-face)
-
- :language 'tsx
- :override t
- :feature 'string
- `((regex pattern: (regex_pattern)) @font-lock-string-face
- (string) @font-lock-string-face
- (template_string) @js--fontify-template-string
- (template_substitution ["${" "}"] @font-lock-builtin-face))
-
- :language 'tsx
- :override t
- :feature 'declaration
- `((function
- name: (identifier) @font-lock-function-name-face)
-
- (function_declaration
- name: (identifier) @font-lock-function-name-face)
-
- (method_definition
- name: (property_identifier) @font-lock-function-name-face)
-
- (variable_declarator
- name: (identifier) @font-lock-variable-name-face)
-
- (enum_declaration (identifier) @font-lock-type-face)
-
- (arrow_function
- parameter: (identifier) @font-lock-variable-name-face)
-
- (variable_declarator
- name: (identifier) @font-lock-function-name-face
- value: [(function) (arrow_function)])
-
- (variable_declarator
- name: (array_pattern
- (identifier)
- (identifier) @font-lock-function-name-face)
- value: (array (number) (function))))
-
- :language 'tsx
- :override t
- :feature 'identifier
- `((nested_type_identifier
- module: (identifier) @font-lock-type-face)
-
- (type_identifier) @font-lock-type-face
-
- (predefined_type) @font-lock-type-face
-
- (new_expression
- constructor: (identifier) @font-lock-type-face)
-
- (enum_body (property_identifier) @font-lock-type-face)
-
- (enum_assignment name: (property_identifier) @font-lock-type-face)
-
- (assignment_expression
- left: [(identifier) @font-lock-variable-name-face
- (member_expression
- property: (property_identifier) @font-lock-variable-name-face)])
-
- (for_in_statement
- left: (identifier) @font-lock-variable-name-face)
-
- (arrow_function
- parameters:
- [(_ (identifier) @font-lock-variable-name-face)
- (_ (_ (identifier) @font-lock-variable-name-face))
- (_ (_ (_ (identifier) @font-lock-variable-name-face)))]))
-
- :language 'tsx
- :override t
- :feature 'expression
- '((assignment_expression
- left: [(identifier) @font-lock-function-name-face
- (member_expression
- property: (property_identifier) @font-lock-function-name-face)]
- right: [(function) (arrow_function)])
-
- (call_expression
- function:
- [(identifier) @font-lock-function-name-face
- (member_expression
- property: (property_identifier) @font-lock-function-name-face)]))
-
- :language 'tsx
- :override t
- :feature 'pattern
- `((pair_pattern
- key: (property_identifier) @font-lock-property-face)
-
- (array_pattern (identifier) @font-lock-variable-name-face))
-
- :language 'tsx
- :override t
- :feature 'jsx
- `((jsx_opening_element
- [(nested_identifier (identifier)) (identifier)]
- @font-lock-function-name-face)
-
- (jsx_closing_element
- [(nested_identifier (identifier)) (identifier)]
- @font-lock-function-name-face)
-
- (jsx_self_closing_element
- [(nested_identifier (identifier)) (identifier)]
- @font-lock-function-name-face)
-
- (jsx_attribute (property_identifier) @font-lock-constant-face))
-
- :language 'tsx
- :feature 'number
- `((number) @font-lock-number-face
- ((identifier) @font-lock-number-face
- (:match "^\\(:?NaN\\|Infinity\\)$" @font-lock-number-face)))
-
- :language 'tsx
- :feature 'operator
- `([,@ts-mode--operators] @font-lock-operator-face
- (ternary_expression ["?" ":"] @font-lock-operator-face))
-
- :language 'tsx
- :feature 'bracket
- '((["(" ")" "[" "]" "{" "}"]) @font-lock-bracket-face)
-
- :language 'tsx
- :feature 'delimiter
- '((["," "." ";" ":"]) @font-lock-delimiter-face)
-
- :language 'tsx
- :feature 'escape-sequence
- :override t
- '((escape_sequence) @font-lock-escape-face)
-
- :language 'tsx
- :override t
- :feature 'property
- `(((property_identifier) @font-lock-property-face)
-
- (pair value: (identifier) @font-lock-variable-name-face)
-
- ((shorthand_property_identifier) @font-lock-property-face)
-
- ((shorthand_property_identifier_pattern)
- @font-lock-property-face)))
- "Tree-sitter font-lock settings.")
-
-;;;###autoload
-(add-to-list 'auto-mode-alist '("\\.ts\\'" . ts-mode))
-
-;;;###autoload
-(add-to-list 'auto-mode-alist '("\\.tsx\\'" . ts-mode))
-
-;;;###autoload
-(define-derived-mode ts-mode prog-mode "TypeScript"
- "Major mode for editing TypeScript."
- :group 'typescript
- :syntax-table ts-mode--syntax-table
-
- (cond
- ;; `ts-mode' requires tree-sitter to work, so we don't check if
- ;; user enables tree-sitter for it.
- ((treesit-ready-p 'tsx)
- ;; Tree-sitter.
- (treesit-parser-create 'tsx)
-
- ;; Comments.
- (setq-local comment-start "// ")
- (setq-local comment-start-skip "\\(?://+\\|/\\*+\\)\\s *")
- (setq-local comment-end "")
- (setq-local treesit-comment-start (rx "/" (or (+ "/") (+ "*"))))
- (setq-local treesit-comment-end (rx (+ (or "*")) "/"))
-
- ;; Electric
- (setq-local electric-indent-chars
- (append "{}():;," electric-indent-chars))
-
- ;; Indent.
- (setq-local treesit-simple-indent-rules ts-mode--indent-rules)
-
- ;; Navigation.
- (setq-local treesit-defun-type-regexp
- (rx (or "class_declaration"
- "method_definition"
- "function_declaration"
- "lexical_declaration")))
-
- ;; Font-lock.
- (setq-local treesit-font-lock-settings ts-mode--font-lock-settings)
- (setq-local treesit-font-lock-feature-list
- '((comment declaration)
- (constant expression identifier keyword number string)
- (bracket delimiter jsx pattern property)))
- ;; Imenu.
- (setq-local imenu-create-index-function #'js--treesit-imenu)
-
- ;; Which-func (use imenu).
- (setq-local which-func-functions nil)
-
- (treesit-major-mode-setup))
-
- ;; Elisp.
- (t
- (js-mode)
- (message "Tree-sitter for TypeScript isn't available, falling back to `js-mode'"))))
-
-(provide 'ts-mode)
-
-;;; ts-mode.el ends here
--- /dev/null
+;;; ts-mode.el --- tree sitter support for TypeScript -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2022 Free Software Foundation, Inc.
+
+;; Author : Theodor Thornhill <theo@thornhill.no>
+;; Maintainer : Theodor Thornhill <theo@thornhill.no>
+;; Created : October 2022
+;; Keywords : typescript tsx languages tree-sitter
+
+;; This file is part of GNU Emacs.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'treesit)
+(require 'rx)
+(require 'js)
+
+(declare-function treesit-parser-create "treesit.c")
+
+(defcustom ts-mode-indent-offset 2
+ "Number of spaces for each indentation step in `ts-mode'."
+ :version "29.1"
+ :type 'integer
+ :safe 'integerp
+ :group 'typescript)
+
+(defvar ts-mode--syntax-table
+ (let ((table (make-syntax-table)))
+ ;; Taken from the cc-langs version
+ (modify-syntax-entry ?_ "_" table)
+ (modify-syntax-entry ?$ "_" table)
+ (modify-syntax-entry ?\\ "\\" table)
+ (modify-syntax-entry ?+ "." table)
+ (modify-syntax-entry ?- "." table)
+ (modify-syntax-entry ?= "." table)
+ (modify-syntax-entry ?% "." table)
+ (modify-syntax-entry ?< "." table)
+ (modify-syntax-entry ?> "." table)
+ (modify-syntax-entry ?& "." table)
+ (modify-syntax-entry ?| "." table)
+ (modify-syntax-entry ?` "\"" table)
+ (modify-syntax-entry ?\240 "." table)
+ table)
+ "Syntax table for `ts-mode'.")
+
+(defvar ts-mode--indent-rules
+ `((tsx
+ ((parent-is "program") parent-bol 0)
+ ((node-is "}") parent-bol 0)
+ ((node-is ")") parent-bol 0)
+ ((node-is "]") parent-bol 0)
+ ((node-is ">") parent-bol 0)
+ ((and (parent-is "comment") comment-end) comment-start -1)
+ ((parent-is "comment") comment-start-skip 0)
+ ((parent-is "ternary_expression") parent-bol ts-mode-indent-offset)
+ ((parent-is "member_expression") parent-bol ts-mode-indent-offset)
+ ((parent-is "named_imports") parent-bol ts-mode-indent-offset)
+ ((parent-is "statement_block") parent-bol ts-mode-indent-offset)
+ ((parent-is "type_arguments") parent-bol ts-mode-indent-offset)
+ ((parent-is "variable_declarator") parent-bol ts-mode-indent-offset)
+ ((parent-is "arguments") parent-bol ts-mode-indent-offset)
+ ((parent-is "array") parent-bol ts-mode-indent-offset)
+ ((parent-is "formal_parameters") parent-bol ts-mode-indent-offset)
+ ((parent-is "template_substitution") parent-bol ts-mode-indent-offset)
+ ((parent-is "object_pattern") parent-bol ts-mode-indent-offset)
+ ((parent-is "object") parent-bol ts-mode-indent-offset)
+ ((parent-is "object_type") parent-bol ts-mode-indent-offset)
+ ((parent-is "enum_body") parent-bol ts-mode-indent-offset)
+ ((parent-is "arrow_function") parent-bol ts-mode-indent-offset)
+ ((parent-is "parenthesized_expression") parent-bol ts-mode-indent-offset)
+
+ ;; TSX
+ ((parent-is "jsx_opening_element") parent ts-mode-indent-offset)
+ ((node-is "jsx_closing_element") parent 0)
+ ((parent-is "jsx_element") parent ts-mode-indent-offset)
+ ((node-is "/") parent 0)
+ ((parent-is "jsx_self_closing_element") parent ts-mode-indent-offset)
+ (no-node parent-bol 0)))
+ "Tree-sitter indent rules.")
+
+(defvar ts-mode--keywords
+ '("!" "abstract" "as" "async" "await" "break"
+ "case" "catch" "class" "const" "continue" "debugger"
+ "declare" "default" "delete" "do" "else" "enum"
+ "export" "extends" "finally" "for" "from" "function"
+ "get" "if" "implements" "import" "in" "instanceof" "interface"
+ "keyof" "let" "namespace" "new" "of" "private" "protected"
+ "public" "readonly" "return" "set" "static" "switch"
+ "target" "throw" "try" "type" "typeof" "var" "void"
+ "while" "with" "yield")
+ "TypeScript keywords for tree-sitter font-locking.")
+
+(defvar ts-mode--operators
+ '("=" "+=" "-=" "*=" "/=" "%=" "**=" "<<=" ">>=" ">>>=" "&=" "^="
+ "|=" "&&=" "||=" "??=" "==" "!=" "===" "!==" ">" ">=" "<" "<=" "+"
+ "-" "*" "/" "%" "++" "--" "**" "&" "|" "^" "~" "<<" ">>" ">>>"
+ "&&" "||" "!" "?.")
+ "TypeScript operators for tree-sitter font-locking.")
+
+(defvar ts-mode--font-lock-settings
+ (treesit-font-lock-rules
+ :language 'tsx
+ :override t
+ :feature 'comment
+ `((comment) @font-lock-comment-face)
+
+ :language 'tsx
+ :override t
+ :feature 'constant
+ `(((identifier) @font-lock-constant-face
+ (:match "^[A-Z_][A-Z_\\d]*$" @font-lock-constant-face))
+
+ [(true) (false) (null)] @font-lock-constant-face)
+
+ :language 'tsx
+ :override t
+ :feature 'keyword
+ `([,@ts-mode--keywords] @font-lock-keyword-face
+ [(this) (super)] @font-lock-keyword-face)
+
+ :language 'tsx
+ :override t
+ :feature 'string
+ `((regex pattern: (regex_pattern)) @font-lock-string-face
+ (string) @font-lock-string-face
+ (template_string) @js--fontify-template-string
+ (template_substitution ["${" "}"] @font-lock-builtin-face))
+
+ :language 'tsx
+ :override t
+ :feature 'declaration
+ `((function
+ name: (identifier) @font-lock-function-name-face)
+
+ (function_declaration
+ name: (identifier) @font-lock-function-name-face)
+
+ (method_definition
+ name: (property_identifier) @font-lock-function-name-face)
+
+ (variable_declarator
+ name: (identifier) @font-lock-variable-name-face)
+
+ (enum_declaration (identifier) @font-lock-type-face)
+
+ (arrow_function
+ parameter: (identifier) @font-lock-variable-name-face)
+
+ (variable_declarator
+ name: (identifier) @font-lock-function-name-face
+ value: [(function) (arrow_function)])
+
+ (variable_declarator
+ name: (array_pattern
+ (identifier)
+ (identifier) @font-lock-function-name-face)
+ value: (array (number) (function))))
+
+ :language 'tsx
+ :override t
+ :feature 'identifier
+ `((nested_type_identifier
+ module: (identifier) @font-lock-type-face)
+
+ (type_identifier) @font-lock-type-face
+
+ (predefined_type) @font-lock-type-face
+
+ (new_expression
+ constructor: (identifier) @font-lock-type-face)
+
+ (enum_body (property_identifier) @font-lock-type-face)
+
+ (enum_assignment name: (property_identifier) @font-lock-type-face)
+
+ (assignment_expression
+ left: [(identifier) @font-lock-variable-name-face
+ (member_expression
+ property: (property_identifier) @font-lock-variable-name-face)])
+
+ (for_in_statement
+ left: (identifier) @font-lock-variable-name-face)
+
+ (arrow_function
+ parameters:
+ [(_ (identifier) @font-lock-variable-name-face)
+ (_ (_ (identifier) @font-lock-variable-name-face))
+ (_ (_ (_ (identifier) @font-lock-variable-name-face)))]))
+
+ :language 'tsx
+ :override t
+ :feature 'expression
+ '((assignment_expression
+ left: [(identifier) @font-lock-function-name-face
+ (member_expression
+ property: (property_identifier) @font-lock-function-name-face)]
+ right: [(function) (arrow_function)])
+
+ (call_expression
+ function:
+ [(identifier) @font-lock-function-name-face
+ (member_expression
+ property: (property_identifier) @font-lock-function-name-face)]))
+
+ :language 'tsx
+ :override t
+ :feature 'pattern
+ `((pair_pattern
+ key: (property_identifier) @font-lock-property-face)
+
+ (array_pattern (identifier) @font-lock-variable-name-face))
+
+ :language 'tsx
+ :override t
+ :feature 'jsx
+ `((jsx_opening_element
+ [(nested_identifier (identifier)) (identifier)]
+ @font-lock-function-name-face)
+
+ (jsx_closing_element
+ [(nested_identifier (identifier)) (identifier)]
+ @font-lock-function-name-face)
+
+ (jsx_self_closing_element
+ [(nested_identifier (identifier)) (identifier)]
+ @font-lock-function-name-face)
+
+ (jsx_attribute (property_identifier) @font-lock-constant-face))
+
+ :language 'tsx
+ :feature 'number
+ `((number) @font-lock-number-face
+ ((identifier) @font-lock-number-face
+ (:match "^\\(:?NaN\\|Infinity\\)$" @font-lock-number-face)))
+
+ :language 'tsx
+ :feature 'operator
+ `([,@ts-mode--operators] @font-lock-operator-face
+ (ternary_expression ["?" ":"] @font-lock-operator-face))
+
+ :language 'tsx
+ :feature 'bracket
+ '((["(" ")" "[" "]" "{" "}"]) @font-lock-bracket-face)
+
+ :language 'tsx
+ :feature 'delimiter
+ '((["," "." ";" ":"]) @font-lock-delimiter-face)
+
+ :language 'tsx
+ :feature 'escape-sequence
+ :override t
+ '((escape_sequence) @font-lock-escape-face)
+
+ :language 'tsx
+ :override t
+ :feature 'property
+ `(((property_identifier) @font-lock-property-face)
+
+ (pair value: (identifier) @font-lock-variable-name-face)
+
+ ((shorthand_property_identifier) @font-lock-property-face)
+
+ ((shorthand_property_identifier_pattern)
+ @font-lock-property-face)))
+ "Tree-sitter font-lock settings.")
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.ts\\'" . ts-mode))
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.tsx\\'" . ts-mode))
+
+;;;###autoload
+(define-derived-mode ts-mode prog-mode "TypeScript"
+ "Major mode for editing TypeScript."
+ :group 'typescript
+ :syntax-table ts-mode--syntax-table
+
+ (cond
+ ;; `ts-mode' requires tree-sitter to work, so we don't check if
+ ;; user enables tree-sitter for it.
+ ((treesit-ready-p 'tsx)
+ ;; Tree-sitter.
+ (treesit-parser-create 'tsx)
+
+ ;; Comments.
+ (setq-local comment-start "// ")
+ (setq-local comment-start-skip "\\(?://+\\|/\\*+\\)\\s *")
+ (setq-local comment-end "")
+ (setq-local treesit-comment-start (rx "/" (or (+ "/") (+ "*"))))
+ (setq-local treesit-comment-end (rx (+ (or "*")) "/"))
+
+ ;; Electric
+ (setq-local electric-indent-chars
+ (append "{}():;," electric-indent-chars))
+
+ ;; Indent.
+ (setq-local treesit-simple-indent-rules ts-mode--indent-rules)
+
+ ;; Navigation.
+ (setq-local treesit-defun-type-regexp
+ (rx (or "class_declaration"
+ "method_definition"
+ "function_declaration"
+ "lexical_declaration")))
+
+ ;; Font-lock.
+ (setq-local treesit-font-lock-settings ts-mode--font-lock-settings)
+ (setq-local treesit-font-lock-feature-list
+ '((comment declaration)
+ (constant expression identifier keyword number string)
+ (bracket delimiter jsx pattern property)))
+ ;; Imenu.
+ (setq-local imenu-create-index-function #'js--treesit-imenu)
+
+ ;; Which-func (use imenu).
+ (setq-local which-func-functions nil)
+
+ (treesit-major-mode-setup))
+
+ ;; Elisp.
+ (t
+ (js-mode)
+ (message "Tree-sitter for TypeScript isn't available, falling back to `js-mode'"))))
+
+(provide 'ts-mode)
+
+;;; ts-mode.el ends here
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