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perf(parser): avoid vec clone in parse_heritage_clause #20665

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Merged
graphite-app merged 1 commit into from
Mar 24, 2026
+2 −5
Merged

perf(parser): avoid vec clone in parse_heritage_clause #20665

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5 changes: 1 addition & 4 deletions crates/oxc_parser/src/js/class.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -152,10 +152,7 @@ impl<'a, C: Config> ParserImpl<'a, C> {
if let Some((_, implements)) = implements.as_mut() {
implements.extend(self.parse_ts_implements_clause());
} else {
implements = Some((
implements_kw_span,
self.ast.vec_from_iter(self.parse_ts_implements_clause()),
));
implements = Some((implements_kw_span, self.parse_ts_implements_clause()));
}
}
_ => break,
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2 changes: 1 addition & 1 deletion tasks/track_memory_allocations/allocs_parser.snap
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
File | File size || Sys allocs | Sys reallocs || Arena allocs | Arena reallocs | Arena bytes
-------------------------------------------------------------------------------------------------------------------------------------------
checker.ts | 2.92 MB || 9672 | 21 || 267680 | 22847
checker.ts | 2.92 MB || 9672 | 21 || 267678 | 22847

cal.com.tsx | 1.06 MB || 1083 | 49 || 138159 | 13699

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