From 3994c69487fc26644aa899f7a36b4134583f2c68 Mon Sep 17 00:00:00 2001
From: hrmny <8845940+ForsakenHarmony@users.noreply.github.com>
Date: Tue, 23 Apr 2024 15:17:22 +0200
Subject: [PATCH] feat(turbopack): add support for esm externals in app dir

---
 .../client_reference_manifest.rs              | 25 +++++++++----------
 .../next-core/src/next_server/context.rs      |  4 +--
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs b/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
index 286fe3837a239..5522269684e2a 100644
--- a/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
+++ b/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
@@ -5,7 +5,7 @@ use turbo_tasks_fs::{File, FileSystemPath};
 use turbopack_binding::turbopack::{
     core::{
         asset::AssetContent,
-        chunk::{ChunkItemExt, ChunkableModule, ModuleId as TurbopackModuleId},
+        chunk::{ChunkItem, ChunkItemExt, ChunkableModule, ModuleId as TurbopackModuleId},
         output::OutputAsset,
         virtual_output::VirtualOutputAsset,
     },
@@ -66,11 +66,11 @@ impl ClientReferenceManifest {
                     .to_string()
                     .await?;
 
-                let client_module_id = ecmascript_client_reference
+                let client_chunk_item = ecmascript_client_reference
                     .client_module
-                    .as_chunk_item(Vc::upcast(client_chunking_context))
-                    .id()
-                    .await?;
+                    .as_chunk_item(Vc::upcast(client_chunking_context));
+
+                let client_module_id = client_chunk_item.id().await?;
 
                 let client_chunks_paths = if let Some(client_chunks) = client_references_chunks
                     .client_component_client_chunks
@@ -100,17 +100,16 @@ impl ClientReferenceManifest {
                         name: "*".to_string(),
                         id: (&*client_module_id).into(),
                         chunks: client_chunks_paths,
-                        // TODO(WEB-434)
-                        r#async: false,
+                        r#async: *client_chunk_item.is_self_async().await?,
                     },
                 );
 
                 if let Some(ssr_chunking_context) = ssr_chunking_context {
-                    let ssr_module_id = ecmascript_client_reference
+                    let ssr_chunk_item = ecmascript_client_reference
                         .ssr_module
-                        .as_chunk_item(Vc::upcast(ssr_chunking_context))
-                        .id()
-                        .await?;
+                        .as_chunk_item(Vc::upcast(ssr_chunking_context));
+
+                    let ssr_module_id = ssr_chunk_item.id().await?;
 
                     let ssr_chunks_paths = if runtime == NextRuntime::Edge {
                         // the chunks get added to the middleware-manifest.json instead
@@ -138,6 +137,7 @@ impl ClientReferenceManifest {
                     } else {
                         Vec::new()
                     };
+
                     let mut ssr_manifest_node = ManifestNode::default();
                     ssr_manifest_node.module_exports.insert(
                         "*".to_string(),
@@ -145,8 +145,7 @@ impl ClientReferenceManifest {
                             name: "*".to_string(),
                             id: (&*ssr_module_id).into(),
                             chunks: ssr_chunks_paths,
-                            // TODO(WEB-434)
-                            r#async: false,
+                            r#async: *ssr_chunk_item.is_self_async().await?,
                         },
                     );
 
diff --git a/packages/next-swc/crates/next-core/src/next_server/context.rs b/packages/next-swc/crates/next-core/src/next_server/context.rs
index 80dda4d981186..2b5a27d1e28af 100644
--- a/packages/next-swc/crates/next-core/src/next_server/context.rs
+++ b/packages/next-swc/crates/next-core/src/next_server/context.rs
@@ -138,9 +138,9 @@ pub async fn get_server_resolve_options_context(
         project_path,
         project_path.root(),
         ExternalPredicate::Only(Vc::cell(external_packages)).cell(),
-        // TODO(sokra) esmExternals support
-        false,
+        *next_config.import_externals().await?,
     );
+
     let ty = ty.into_value();
 
     let mut custom_conditions = vec![mode.await?.condition().to_string()];