Address Linting warnings

Address cl-flet lint warning

... with a simpler implementation of cider--setup-clojure-major-mode.
Can't have cl-flet lint warnings if I don't use cl-flet.

Add clojure-ts-mode dependency to Eldev

Silence byte-compiler when optional clojure-ts-mode is not available

The linter throws a warning when byte-compiling. Eldev doesn't support
pulling in dependencies declared with `eldev-add-extra-dependencies`
while running the `eldev compile` command. See
https://emacs-eldev.github.io/eldev/#additional-dependencies

This makes sense. If a user is byte compiling cider and they don't have
clojure-ts-mode installed, they shouldn't see a byte compile warning for
it.

Make clojure-ts-mode dependency optional

Tests will fail when using Emacs versions less than 29 because
clojure-ts-mode requires Emacs 29 to work properly. That could be why
tests fail in CI. This probably won't help with the linting issue

Eldev

@@ -11,6 +11,7 @@
 
 (eldev-add-loading-roots 'test "test/utils")
 (eldev-add-extra-dependencies 'runtime '(:package logview :optional t))
+(eldev-add-extra-dependencies 'runtime '(:package clojure-ts-mode :optional t))
 
 ;; slightly increase the maximum (applies to checkdoc and the byte compiler alike)
 (setq byte-compile-docstring-max-column 100)

cider-mode.el

@@ -580,7 +580,9 @@ loaded yet, this will be shown in Clojure buffers next to the Clojure menu."
 
 ;;;###autoload
 (with-eval-after-load 'clojure-ts-mode
-  (cider--setup-menu-for-clojure-major-mode clojure-ts-mode-map))
+  (cider--setup-menu-for-clojure-major-mode
+   (with-suppressed-warnings ((free-vars clojure-ts-mode-map))
+     clojure-ts-mode-map)))
 
 ;;; Dynamic indentation
 (defcustom cider-dynamic-indentation t

cider-selector.el

@@ -67,8 +67,8 @@ is visible, but not focused."
                          (null (get-buffer-window buffer 'visible))))
            return buffer
            finally (if consider-visible-p
-                       (error "Can't find unshown buffer in %S" mode)
-                     (cider-selector--recently-visited-buffer mode t))))
+                       (error "Can't find unshown buffer in %S" modes)
+                     (cider-selector--recently-visited-buffer modes t))))
 
 ;;;###autoload
 (defun cider-selector (&optional other-window)

cider.el

@@ -2136,30 +2136,29 @@ alternative to the default is `cider-random-tip'."
 (add-hook 'cider-connected-hook #'cider--maybe-inspire-on-connect)
 
 ;;;###autoload
-(defun cider--setup-clojure-major-mode (mode)
-  "Setup Cider key bindings and hooks for a Clojure major MODE."
-  (cl-flet ((concat-symbol (symbol suffix)
-              (intern (concat (symbol-name mode) suffix))))
-    (let ((mode-map (eval (concat-symbol mode "-map"))))
-      (define-key mode-map (kbd "C-c M-x") #'cider)
-      (define-key mode-map (kbd "C-c M-j") #'cider-jack-in-clj)
-      (define-key mode-map (kbd "C-c M-J") #'cider-jack-in-cljs)
-      (define-key mode-map (kbd "C-c M-c") #'cider-connect-clj)
-      (define-key mode-map (kbd "C-c M-C") #'cider-connect-cljs)
-      (define-key mode-map (kbd "C-c C-x") 'cider-start-map)
-      (define-key mode-map (kbd "C-c C-s") 'sesman-map)
-      (require 'sesman)
-      (sesman-install-menu mode-map)
-      (add-hook (concat-symbol mode "-hook")
-                (lambda () (setq-local sesman-system 'CIDER))))))
+(defun cider--setup-clojure-major-mode (mode-map mode-hook)
+  "Setup Cider key bindings on a Clojure mode's MODE-MAP and hooks in MODE-HOOK."
+  (define-key mode-map (kbd "C-c M-x") #'cider)
+  (define-key mode-map (kbd "C-c M-j") #'cider-jack-in-clj)
+  (define-key mode-map (kbd "C-c M-J") #'cider-jack-in-cljs)
+  (define-key mode-map (kbd "C-c M-c") #'cider-connect-clj)
+  (define-key mode-map (kbd "C-c M-C") #'cider-connect-cljs)
+  (define-key mode-map (kbd "C-c C-x") 'cider-start-map)
+  (define-key mode-map (kbd "C-c C-s") 'sesman-map)
+  (require 'sesman)
+  (sesman-install-menu mode-map)
+  (add-hook mode-hook (lambda () (setq-local sesman-system 'CIDER))))
 
 ;;;###autoload
 (with-eval-after-load 'clojure-mode
-  (cider--setup-clojure-major-mode 'clojure-mode))
+  (cider--setup-clojure-major-mode clojure-mode-map 'clojure-mode-hook))
 
 ;;;###autoload
 (with-eval-after-load 'clojure-ts-mode
-  (cider--setup-clojure-major-mode 'clojure-ts-mode))
+  (cider--setup-clojure-major-mode
+   (with-suppressed-warnings ((free-vars clojure-ts-mode-map))
+     clojure-ts-mode-map)
+   'clojure-ts-mode-hook))
 
 (provide 'cider)