Generate required-server-files.js

Author: mischnic

crates/next-api/src/app.rs

@@ -1543,6 +1543,9 @@ impl AppEndpoint {
                     rcstr!("server/middleware-build-manifest.js"),
                     rcstr!("server/interception-route-rewrite-manifest.js"),
                 ];
+                if project.next_mode().await?.is_production() {
+                    file_paths_from_root.insert(rcstr!("required-server-files.js"));
+                }
                 if emit_manifests == EmitManifests::Full {
                     file_paths_from_root.insert(rcstr!("server/next-font-manifest.js"));
                 };

crates/next-api/src/pages.rs

@@ -1441,6 +1441,16 @@ impl PageEndpoint {
                         fxindexset![]
                     };
 
+                    if this
+                        .pages_project
+                        .project()
+                        .next_mode()
+                        .await?
+                        .is_production()
+                    {
+                        file_paths_from_root.insert(rcstr!("required-server-files.js"));
+                    }
+
                     let all_assets = assets.concatenate(*referenced_assets);
                     let assets_ref = assets.await?;
 

packages/next/src/build/index.ts

@@ -621,9 +621,13 @@ async function writeRequiredServerFilesManifest(
   requiredServerFiles: RequiredServerFilesManifest
 ) {
   await writeManifest(
-    path.join(distDir, SERVER_FILES_MANIFEST),
+    path.join(distDir, SERVER_FILES_MANIFEST + '.json'),
     requiredServerFiles
   )
+  await writeFileUtf8(
+    path.join(distDir, SERVER_FILES_MANIFEST + '.js'),
+    `self.__SERVER_FILES_MANIFEST=${formatManifest(requiredServerFiles)}`
+  )
 }
 
 async function writeImagesManifest(
@@ -693,7 +697,10 @@ async function writeStandaloneDirectory(
 
       for (const file of [
         ...requiredServerFiles.files,
-        path.join(requiredServerFiles.config.distDir, SERVER_FILES_MANIFEST),
+        path.join(
+          requiredServerFiles.config.distDir,
+          SERVER_FILES_MANIFEST + '.json'
+        ),
         ...loadedEnvFiles.reduce<string[]>((acc, envFile) => {
           if (['.env', '.env.production'].includes(envFile.path)) {
             acc.push(envFile.path)
@@ -1915,7 +1922,8 @@ export default async function build(
               BUILD_ID_FILE,
               path.join(SERVER_DIRECTORY, NEXT_FONT_MANIFEST + '.js'),
               path.join(SERVER_DIRECTORY, NEXT_FONT_MANIFEST + '.json'),
-              SERVER_FILES_MANIFEST,
+              SERVER_FILES_MANIFEST + '.js',
+              SERVER_FILES_MANIFEST + '.json',
             ]
               .filter(nonNullable)
               .map((file) => path.join(config.distDir, file)),

packages/next/src/build/webpack/plugins/middleware-plugin.ts

@@ -22,6 +22,7 @@ import {
   SERVER_REFERENCE_MANIFEST,
   INTERCEPTION_ROUTE_REWRITE_MANIFEST,
   DYNAMIC_CSS_MANIFEST,
+  SERVER_FILES_MANIFEST,
 } from '../../../shared/lib/constants'
 import type { ProxyConfig } from '../../analysis/get-page-static-info'
 import type { Telemetry } from '../../../telemetry/storage'
@@ -133,6 +134,10 @@ function getEntryFiles(
       `server/${NEXT_FONT_MANIFEST}.js`,
       `server/${INTERCEPTION_ROUTE_REWRITE_MANIFEST}.js`
     )
+
+    if (!opts.dev) {
+      files.push(`${SERVER_FILES_MANIFEST}.js`)
+    }
   }
 
   if (hasInstrumentationHook) {

packages/next/src/client/route-loader.ts

@@ -1,5 +1,6 @@
 import type { ComponentType } from 'react'
 import type { ProxyMatcher } from '../build/analysis/get-page-static-info'
+import type { RequiredServerFilesManifest } from '../build'
 import getAssetPathFromRoute from '../shared/lib/router/utils/get-asset-path-from-route'
 import { __unsafeCreateTrustedScriptURL } from './trusted-types'
 import { requestIdleCallback } from './request-idle-callback'
@@ -16,6 +17,7 @@ declare global {
   interface Window {
     __BUILD_MANIFEST?: Record<string, string[]>
     __BUILD_MANIFEST_CB?: Function
+    __SERVER_FILES_MANIFEST?: RequiredServerFilesManifest
     __MIDDLEWARE_MATCHERS?: ProxyMatcher[]
     __MIDDLEWARE_MANIFEST_CB?: Function
     __REACT_LOADABLE_MANIFEST?: any

packages/next/src/server/next.ts

@@ -298,7 +298,7 @@ export class NextServer implements NextWrapperServer {
           path.join(
             /* turbopackIgnore: true */ dir,
             config.distDir,
-            SERVER_FILES_MANIFEST
+            SERVER_FILES_MANIFEST + '.json'
           )
         ).config
 

packages/next/src/server/route-modules/route-module.ts

@@ -223,9 +223,8 @@ export abstract class RouteModule<
             process.env.__NEXT_NO_MIDDLEWARE_URL_NORMALIZE
           ),
         },
-        serverFilesManifest: {
-          config: (globalThis as any).nextConfig || {},
-        } as any,
+        serverFilesManifest:
+          self.__SERVER_FILES_MANIFEST as any as RequiredServerFilesManifest,
         clientReferenceManifest: self.__RSC_MANIFEST?.[srcPage],
         serverActionsManifest: maybeJSONParse(self.__RSC_SERVER_MANIFEST),
         subresourceIntegrityManifest: maybeJSONParse(
@@ -337,7 +336,7 @@ export abstract class RouteModule<
           : loadManifestFromRelativePath<RequiredServerFilesManifest>({
               projectDir,
               distDir: this.distDir,
-              manifest: SERVER_FILES_MANIFEST,
+              manifest: `${SERVER_FILES_MANIFEST}.json`,
             }),
         this.isDev
           ? 'development'

packages/next/src/shared/lib/constants.ts

@@ -97,7 +97,7 @@ export const EXPORT_DETAIL = 'export-detail.json'
 export const PRERENDER_MANIFEST = 'prerender-manifest.json'
 export const ROUTES_MANIFEST = 'routes-manifest.json'
 export const IMAGES_MANIFEST = 'images-manifest.json'
-export const SERVER_FILES_MANIFEST = 'required-server-files.json'
+export const SERVER_FILES_MANIFEST = 'required-server-files'
 export const DEV_CLIENT_PAGES_MANIFEST = '_devPagesManifest.json'
 export const MIDDLEWARE_MANIFEST = 'middleware-manifest.json'
 export const TURBOPACK_CLIENT_MIDDLEWARE_MANIFEST =