1 files changed, 23 insertions, 0 deletions
diff --git a/resolvers/node/sync.rs b/resolvers/node/sync.rs
new file mode 100644
index 000000000..3c4729aa2
--- /dev/null
+++ b/resolvers/node/sync.rs
@@ -0,0 +1,23 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+pub use inner::*;
+
+#[cfg(feature = "sync")]
+mod inner {
+  #![allow(clippy::disallowed_types)]
+
+  pub use std::sync::Arc as MaybeArc;
+
+  pub use core::marker::Send as MaybeSend;
+  pub use core::marker::Sync as MaybeSync;
+}
+
+#[cfg(not(feature = "sync"))]
+mod inner {
+  pub use std::rc::Rc as MaybeArc;
+
+  pub trait MaybeSync {}
+  impl<T> MaybeSync for T where T: ?Sized {}
+  pub trait MaybeSend {}
+  impl<T> MaybeSend for T where T: ?Sized {}
+}