perf: clone

Author: SyMind

src/cached_source.rs

@@ -182,7 +182,7 @@ impl StreamChunks for CachedSource {
  dependent.cached_colomns_map.get_or_init(|| {
  unsafe { std::mem::transmute::<Option<SourceMap>, Option<SourceMap<'static>>>(map) }
  });
- generated_info
+  generated_info
  })
  } else {
  self.0.with_dependent(|owner, dependent| {

src/source.rs

@@ -359,7 +359,14 @@ self_cell::self_cell!(
 
 impl Clone for StaticSourceMap {
  fn clone(&self) -> Self {
- Self::from_borrowed_value_cell(self.borrow_owner().clone())
+ Self::new(self.borrow_owner().clone(), |_| {
+ let dependent = self.borrow_dependent();
+ unsafe {
+ std::mem::transmute::<BorrowedSourceMap, BorrowedSourceMap<'static>>(
+ dependent.clone(),
+ )
+ }
+ })
  }
 }