master 45c1be6: Comment JSX lines using JSX syntax

[Lars Ingebrigtsen]

branch: master
commit 45c1be62a1e92f3e688495880664a13d042e718c
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Comment JSX lines using JSX syntax
    
    * lisp/progmodes/js.el (js-jsx--comment-region): New function
    (bug#41696).
    (js-jsx-mode): Use it.
---
 lisp/progmodes/js.el | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index 5c50e2a..f3cfbbb 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -4656,8 +4656,19 @@ could set `js-jsx-syntax' to t in your init file, or in a
 one of the aforementioned options instead of using this mode."
   :group 'js
   (js-jsx-enable)
+  (setq-local comment-region-function #'js-jsx--comment-region)
   (js-use-syntactic-mode-name))
 
+(defun js-jsx--comment-region (beg end &optional arg)
+  (if (or (js-jsx--context)
+          (save-excursion
+            (skip-chars-forward " \t")
+            (js-jsx--looking-at-start-tag-p)))
+      (let ((comment-start "{/* ")
+            (comment-end " */}"))
+        (comment-region-default beg end arg))
+    (comment-region-default beg end arg)))
+
 ;;;###autoload (defalias 'javascript-mode 'js-mode)
 
 (eval-after-load 'folding