Add just-ts-mode

init.el

@@ -124,6 +124,10 @@
 (require 'init-nix)
 (maybe-require-package 'nginx-mode)
 (maybe-require-package 'just-mode)
+(when (maybe-require-package 'just-ts-mode)
+  ;; Undo overly-optimistic autoloading, so that things still work in
+  ;; Emacs 29 without treesitter
+  (sanityinc/remove-auto-mode  'just-ts-mode))
 (maybe-require-package 'justl)
 
 (require 'init-paredit)

lisp/init-utils.el

@@ -38,6 +38,10 @@ BUFFER and ALIST are as for `display-buffer-full-frame'."
   (dolist (pattern patterns)
     (add-to-list 'auto-mode-alist (cons pattern mode))))
 
+(defun sanityinc/remove-auto-mode (mode)
+  "Remove entries from `auto-mode-alist' that are for `MODE'."
+  (setq auto-mode-alist (seq-remove (lambda (x) (eq mode (cdr x))) auto-mode-alist)))
+
 ;; Like diminish, but for major modes
 (defun sanityinc/set-major-mode-name (name)
   "Override the major mode NAME in this buffer."