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Add major mode for highlighting npmrc files (Bug#77138)

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* etc/NEWS: mention the new mode.
* lisp/textmodes/conf-mode.el (conf-npmrc-mode-syntax-table): New
variable.
* lisp/textmodes/conf-mode.el (conf-npmrc-mode): New major mode
derived from conf-mode for highlighting .npmrc files.
* lisp/files.el (auto-mode-alist): Associate the new mode with .npmrc
files.
This commit is contained in:
Konstantin Kharlamov 2025-03-20 19:17:32 +03:00 • committed by Eli Zaretskii
parent 2b7a72b117
commit 891f51fe11
3 changed files with 19 additions and 0 deletions
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3
etc/NEWS
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@ -1637,6 +1637,9 @@ highlight the fill-column indicators. By default this is disabled.
* New Modes and Packages in Emacs 31.1
** New major mode 'conf-npmrc-mode'.
A major mode based on conf-mode purposed for editing ".npmrc" files.
** New major modes based on the tree-sitter library
*** New major mode 'markdown-ts-mode'.

2
lisp/files.el
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@ -3207,6 +3207,8 @@ ARC\\|ZIP\\|LZH\\|LHA\\|ZOO\\|[JEW]AR\\|XPI\\|RAR\\|CBR\\|7Z\\|SQUASHFS\\)\\'" .
("\\.properties\\(?:\\.[a-zA-Z0-9._-]+\\)?\\'" . conf-javaprop-mode)
("\\.toml\\'" . conf-toml-mode)
("\\.desktop\\'" . conf-desktop-mode)
;; Dot is excluded from npmrc, because global configs may lack it.
("npmrc\\'" . conf-npmrc-mode)
("/\\.redshift\\.conf\\'" . conf-windows-mode)
("\\`/etc/\\(?:DIR_COLORS\\|ethers\\|.?fstab\\|.*hosts\\|lesskey\\|login\\.?de\\(?:fs\\|vperm\\)\\|magic\\|mtab\\|pam\\.d/.*\\|permissions\\(?:\\.d/.+\\)?\\|protocols\\|rpc\\|services\\)\\'" . conf-space-mode)
("\\`/etc/\\(?:acpid?/.+\\|aliases\\(?:\\.d/.+\\)?\\|default/.+\\|group-?\\|hosts\\..+\\|inittab\\|ksysguarddrc\\|opera6rc\\|passwd-?\\|shadow-?\\|sysconfig/.+\\)\\'" . conf-mode)

14
lisp/textmodes/conf-mode.el
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@ -136,6 +136,13 @@ not align (only setting space according to `conf-assignment-space')."
table)
"Syntax table in use in Unix style `conf-mode' buffers.")
(defvar conf-npmrc-mode-syntax-table
(let ((table (make-syntax-table conf-mode-syntax-table)))
(modify-syntax-entry ?\; "<" table)
(modify-syntax-entry ?# "<" table)
table)
"Syntax table in use in npmrc `conf-mode' buffers.")
(defvar conf-javaprop-mode-syntax-table
(make-syntax-table conf-unix-mode-syntax-table)
"Syntax table in use in Java properties buffers.")
@ -664,6 +671,13 @@ For details see `conf-mode'.
(conf-mode-initialize "#" 'conf-desktop-font-lock-keywords)
(conf-quote-normal nil))
;;;###autoload
(define-derived-mode conf-npmrc-mode conf-mode "Conf[npmrc]"
:syntax-table conf-npmrc-mode-syntax-table
"Conf Mode starter for .npmrc files.
Comments start with `#' and `;'. For details see `conf-mode'."
(conf-mode-initialize "#"))
(provide 'conf-mode)
;;; conf-mode.el ends here