perf: do not clone swc `Program` when transpiling (#23365)

1 files changed, 15 insertions, 13 deletions

diff --git a/runtime/shared.rs b/runtime/shared.rs
index c5ea2fedd..e18b0b93c 100644
--- a/runtime/shared.rs
+++ b/runtime/shared.rs
@@ -95,20 +95,22 @@ pub fn maybe_transpile_source(
     scope_analysis: false,
     maybe_syntax: None,
   })?;
-  let transpiled_source = parsed.transpile(
-    &deno_ast::TranspileOptions {
-      imports_not_used_as_values: deno_ast::ImportsNotUsedAsValues::Remove,
-      ..Default::default()
-    },
-    &deno_ast::EmitOptions {
-      source_map: if cfg!(debug_assertions) {
-        SourceMapOption::Separate
-      } else {
-        SourceMapOption::None
+  let transpiled_source = parsed
+    .transpile_owned(
+      &deno_ast::TranspileOptions {
+        imports_not_used_as_values: deno_ast::ImportsNotUsedAsValues::Remove,
+        ..Default::default()
       },
-      ..Default::default()
-    },
-  )?;
+      &deno_ast::EmitOptions {
+        source_map: if cfg!(debug_assertions) {
+          SourceMapOption::Separate
+        } else {
+          SourceMapOption::None
+        },
+        ..Default::default()
+      },
+    )
+    .unwrap()?;
 
   let maybe_source_map: Option<SourceMapData> = transpiled_source
     .source_map