Turbopack: Vc stability of ModuleGraph (#77052)

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Author: sokra

crates/next-api/src/app.rs

@@ -833,7 +833,7 @@ impl AppProject {
                         server_component_entries,
                     } = &*find_server_entries(*rsc_entry).await?;
 
-                    let graph = SingleModuleGraph::new_with_entries_visited(
+                    let graph = SingleModuleGraph::new_with_entries_visited_intern(
                         vec![
                             (
                                 server_utils
@@ -851,7 +851,7 @@ impl AppProject {
                     let mut visited_modules = VisitedModules::from_graph(graph);
 
                     for module in server_component_entries.iter() {
-                        let graph = SingleModuleGraph::new_with_entries_visited(
+                        let graph = SingleModuleGraph::new_with_entries_visited_intern(
                             vec![(vec![ResolvedVc::upcast(*module)], ChunkGroupType::Entry)],
                             visited_modules,
                         );
@@ -872,15 +872,15 @@ impl AppProject {
                     }
                     visited_modules
                 } else {
-                    let graph = SingleModuleGraph::new_with_entries_visited(
+                    let graph = SingleModuleGraph::new_with_entries_visited_intern(
                         vec![(client_shared_entries, ChunkGroupType::Evaluated)],
                         VisitedModules::empty(),
                     );
                     graphs.push(graph);
                     VisitedModules::from_graph(graph)
                 };
 
-                let graph = SingleModuleGraph::new_with_entries_visited(
+                let graph = SingleModuleGraph::new_with_entries_visited_intern(
                     vec![(vec![ResolvedVc::upcast(rsc_entry)], ChunkGroupType::Entry)],
                     visited_modules,
                 );
@@ -889,7 +889,7 @@ impl AppProject {
 
                 let base = ModuleGraph::from_graphs(graphs.clone());
                 let additional_entries = endpoint.additional_entries(base);
-                let additional_module_graph = SingleModuleGraph::new_with_entries_visited(
+                let additional_module_graph = SingleModuleGraph::new_with_entries_visited_intern(
                     additional_entries.owned().await?,
                     visited_modules,
                 );

crates/next-api/src/project.rs

@@ -1735,10 +1735,8 @@ async fn whole_app_module_graph_operation(
     let base = ModuleGraph::from_single_graph(base_single_module_graph);
     let additional_entries = project.get_all_additional_entries(base);
 
-    let additional_module_graph = SingleModuleGraph::new_with_entries_visited(
-        additional_entries.owned().await?,
-        base_visited_modules,
-    );
+    let additional_module_graph =
+        SingleModuleGraph::new_with_entries_visited(additional_entries, base_visited_modules);
 
     let full = ModuleGraph::from_graphs(vec![base_single_module_graph, additional_module_graph]);
     Ok(ModuleGraphs {

turbopack/crates/turbopack-core/src/module_graph/mod.rs

@@ -1140,6 +1140,14 @@ impl SingleModuleGraph {
 
     #[turbo_tasks::function]
     pub async fn new_with_entries_visited(
+        entries: Vc<GraphEntries>,
+        visited_modules: Vc<VisitedModules>,
+    ) -> Result<Vc<Self>> {
+        SingleModuleGraph::new_inner(&*entries.await?, &visited_modules.await?.modules).await
+    }
+
+    #[turbo_tasks::function]
+    pub async fn new_with_entries_visited_intern(
         // This must not be a Vc<Vec<_>> to ensure layout segment optimization hits the cache
         entries: GraphEntriesT,
         visited_modules: Vc<VisitedModules>,