Remove ServerDirectiveTransformer (#56496)

As discussed with @jridgewell this removes the hard error when using
`"use server"` in Turbopack.

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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

packages/next-swc/crates/next-core/src/next_client/context.rs

@@ -19,7 +19,6 @@ use turbopack_binding::{
         },
         dev::{react_refresh::assert_can_resolve_react_refresh, DevChunkingContext},
         ecmascript::chunk::EcmascriptChunkingContext,
-        ecmascript_plugin::transform::directives::server::ServerDirectiveTransformer,
         node::execution_context::ExecutionContext,
         turbopack::{
             condition::ContextCondition,
@@ -232,11 +231,6 @@ pub async fn get_client_module_options_context(
         *get_emotion_transform_plugin(next_config).await?,
         *get_styled_components_transform_plugin(next_config).await?,
         *get_styled_jsx_transform_plugin().await?,
-        Some(Vc::cell(Box::new(ServerDirectiveTransformer::new(
-            // ServerDirective is not implemented yet and always reports an issue.
-            // We don't have to pass a valid transition name yet, but the API is prepared.
-            &Vc::cell("TODO".to_string()),
-        )) as _)),
     ]
     .into_iter()
     .flatten()

packages/next-swc/crates/next-core/src/next_import_map.rs

@@ -280,6 +280,20 @@ pub async fn get_next_server_import_map(
                     "next/dist/build/webpack/loaders/next-flight-loader/action-proxy",
                 ),
             );
+            import_map.insert_exact_alias(
+                "private-next-rsc-action-client-wrapper",
+                request_to_import_mapping(
+                    project_path,
+                    "next/dist/build/webpack/loaders/next-flight-loader/action-client-wrapper",
+                ),
+            );
+            import_map.insert_exact_alias(
+                "private-next-rsc-action-validate",
+                request_to_import_mapping(
+                    project_path,
+                    "next/dist/build/webpack/loaders/next-flight-loader/action-validate",
+                ),
+            );
             import_map.insert_exact_alias(
                 "next/head",
                 request_to_import_mapping(project_path, "next/dist/client/components/noop-head"),

packages/next-swc/crates/next-core/src/next_server/context.rs

@@ -19,9 +19,7 @@ use turbopack_binding::{
             resolve::{parse::Request, pattern::Pattern},
         },
         ecmascript::TransformPlugin,
-        ecmascript_plugin::transform::directives::{
-            client::ClientDirectiveTransformer, server::ServerDirectiveTransformer,
-        },
+        ecmascript_plugin::transform::directives::client::ClientDirectiveTransformer,
         node::execution_context::ExecutionContext,
         turbopack::{
             condition::ContextCondition,
@@ -276,12 +274,6 @@ pub async fn get_server_module_options_context(
     let styled_components_transform_plugin =
         *get_styled_components_transform_plugin(next_config).await?;
     let styled_jsx_transform_plugin = *get_styled_jsx_transform_plugin().await?;
-    let server_directive_transform_plugin =
-        Some(Vc::cell(Box::new(ServerDirectiveTransformer::new(
-            // ServerDirective is not implemented yet and always reports an issue.
-            // We don't have to pass a valid transition name yet, but the API is prepared.
-            &Vc::cell("TODO".to_string()),
-        )) as _));
 
     // ModuleOptionsContext related options
     let tsconfig = get_typescript_transform_options(project_path);
@@ -374,7 +366,6 @@ pub async fn get_server_module_options_context(
             let mut base_source_transforms: Vec<Vc<TransformPlugin>> = vec![
                 styled_components_transform_plugin,
                 styled_jsx_transform_plugin,
-                server_directive_transform_plugin,
             ]
             .into_iter()
             .flatten()
@@ -433,13 +424,11 @@ pub async fn get_server_module_options_context(
             ecmascript_client_reference_transition_name,
             ..
         } => {
-            let mut base_source_transforms: Vec<Vc<TransformPlugin>> = vec![
-                styled_components_transform_plugin,
-                server_directive_transform_plugin,
-            ]
-            .into_iter()
-            .flatten()
-            .collect();
+            let mut base_source_transforms: Vec<Vc<TransformPlugin>> =
+                vec![styled_components_transform_plugin]
+                    .into_iter()
+                    .flatten()
+                    .collect();
 
             if let Some(ecmascript_client_reference_transition_name) =
                 ecmascript_client_reference_transition_name