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perf(ast): faster Comment::is_jsdoc #7905

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Dec 15, 2024
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perf(ast): faster Comment::is_jsdoc #7905

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7 changes: 4 additions & 3 deletions crates/oxc_ast/src/ast/comment.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -104,9 +104,10 @@ impl Comment {
/// Returns `true` if this comment is a JSDoc comment. Implies `is_leading`
/// and `is_block`.
pub fn is_jsdoc(&self, source_text: &str) -> bool {
self.is_leading()
&& self.is_block()
&& self.content_span().source_text(source_text).starts_with('*')
self.is_leading() && self.is_block() && {
let span = self.content_span();
!span.is_empty() && source_text.as_bytes()[span.start as usize] == b'*'
}
}

/// Legal comments
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