1 files changed, 20 insertions, 0 deletions
diff --git a/core/runtime.rs b/core/runtime.rs
index bae6a40db..6820df6bc 100644
--- a/core/runtime.rs
+++ b/core/runtime.rs
@@ -479,6 +479,26 @@ impl JsRuntime {
           }
         }
       }
+      // Cache bust plain JS (non-ES modules as well)
+      #[cfg(feature = "include_js_files_for_snapshotting")]
+      if snapshot_options != snapshot_util::SnapshotOptions::None {
+        let js_sources = options
+          .extensions
+          .iter()
+          .flat_map(|ext| match ext.get_js_sources() {
+            Some(s) => s.to_owned(),
+            None => vec![],
+          })
+          .collect::<Vec<ExtensionFileSource>>();
+        for source in js_sources {
+          use crate::ExtensionFileSourceCode;
+          if let ExtensionFileSourceCode::LoadedFromFsDuringSnapshot(path) =
+            &source.code
+          {
+            println!("cargo:rerun-if-changed={}", path.display())
+          }
+        }
+      }
 
       Rc::new(crate::modules::ExtModuleLoader::new(
         options.module_loader,