From 46793d7c1c315402ec085b3d3e6e3430fe54f3d1 Mon Sep 17 00:00:00 2001
From: Dunqing <29533304+Dunqing@users.noreply.github.com>
Date: Tue, 4 Nov 2025 06:38:40 +0000
Subject: [PATCH] fix(formatter): correct printing comments for
 `LabeledStatement` (#15260)

---
 crates/oxc_formatter/src/write/mod.rs              | 14 +++++++++++---
 .../snapshots/prettier.js.snap.md                  |  3 +--
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/crates/oxc_formatter/src/write/mod.rs b/crates/oxc_formatter/src/write/mod.rs
index e0fd943bc8b52..83b02ef364bd3 100644
--- a/crates/oxc_formatter/src/write/mod.rs
+++ b/crates/oxc_formatter/src/write/mod.rs
@@ -900,15 +900,23 @@ impl<'a> FormatWrite<'a> for AstNode<'a, WithStatement<'a>> {
 
 impl<'a> FormatWrite<'a> for AstNode<'a, LabeledStatement<'a>> {
     fn write(&self, f: &mut Formatter<'_, 'a>) -> FormatResult<()> {
-        let comments = f.context().comments().comments_before(self.body.span().start);
+        let comments = f.context().comments().line_comments_before(self.body.span().start);
         FormatLeadingComments::Comments(comments).fmt(f)?;
 
         let label = self.label();
         let body = self.body();
         write!(f, [label, ":"])?;
         if matches!(body.as_ref(), Statement::EmptyStatement(_)) {
-            // If the body is an empty statement, force semicolon insertion
-            write!(f, ";")
+            let empty_comments = f.context().comments().comments_before(self.span.end);
+            write!(
+                f,
+                [
+                    FormatTrailingComments::Comments(empty_comments),
+                    maybe_space(!empty_comments.is_empty()),
+                    // If the body is an empty statement, force semicolon insertion
+                    ";"
+                ]
+            )
         } else {
             write!(f, [space(), body])
         }
diff --git a/tasks/prettier_conformance/snapshots/prettier.js.snap.md b/tasks/prettier_conformance/snapshots/prettier.js.snap.md
index fd3b394e4e064..453e389488638 100644
--- a/tasks/prettier_conformance/snapshots/prettier.js.snap.md
+++ b/tasks/prettier_conformance/snapshots/prettier.js.snap.md
@@ -1,4 +1,4 @@
-js compatibility: 699/749 (93.32%)
+js compatibility: 700/749 (93.46%)
 
 # Failed
 
@@ -30,7 +30,6 @@ js compatibility: 699/749 (93.32%)
 | js/if/expr_and_same_line_comments.js | 💥 | 97.73% |
 | js/if/if_comments.js | 💥 | 76.00% |
 | js/if/trailing_comment.js | 💥 | 91.43% |
-| js/label/empty_label.js | 💥 | 66.67% |
 | js/last-argument-expansion/dangling-comment-in-arrow-function.js | 💥 | 22.22% |
 | js/object-multiline/multiline.js | 💥✨ | 22.22% |
 | js/quote-props/classes.js | 💥💥✨✨ | 47.06% |