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fix(formatter): correct printing comments for LabeledStatement #15260

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Merged
merged 1 commit into from
Nov 4, 2025
+12 −5
Merged

fix(formatter): correct printing comments for LabeledStatement #15260

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14 changes: 11 additions & 3 deletions crates/oxc_formatter/src/write/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -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])
}
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3 changes: 1 addition & 2 deletions tasks/prettier_conformance/snapshots/prettier.js.snap.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
js compatibility: 699/749 (93.32%)
js compatibility: 700/749 (93.46%)

# Failed

Expand Down Expand Up @@ -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% |
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