feedback

crates/biome_formatter/src/comments.rs

@@ -1220,6 +1220,12 @@ pub fn is_alignable_comment<L: Language>(comment: &SyntaxTriviaPieceComments<L>)
  })
 }
 
+/// **TODO:** This is really JS-specific logic, both in syntax and semantics.
+/// It should probably be moved to `biome_js_formatter` when possible, but is
+/// currently tied to other behavior about formatting sets of comments (which
+/// might also be best to move as well, since it relates to the same specific
+/// behavior).
+///
 /// Returns `true` if `comment` is a documentation-style comment, specifically
 /// matching the JSDoc format where the comment:
 /// - spans over multiple lines

crates/biome_formatter/src/trivia.rs

@@ -66,7 +66,8 @@ where
  FormatLeadingComments::Comments(comments) => comments,
  };
 
- for (index, comment) in leading_comments.iter().enumerate() {
+ let mut leading_comments_iter = leading_comments.iter().peekable();
+ while let Some(comment) = leading_comments_iter.next() {
  let format_comment = FormatRefWithRule::new(comment, Context::CommentRule::default());
  write!(f, [format_comment])?;
 
@@ -75,11 +76,9 @@ where
  match comment.lines_after() {
  0 => {
  let should_nestle =
- leading_comments
- .get(index + 1)
- .map_or(false, |next_comment| {
- should_nestle_adjacent_doc_comments(comment, next_comment)
- });
+ leading_comments_iter.peek().map_or(false, |next_comment| {
+ should_nestle_adjacent_doc_comments(comment, next_comment)
+ });
 
  write!(f, [maybe_space(!should_nestle)])?;
  }