diff --git a/packages/angular/build/src/tools/esbuild/application-code-bundle.ts b/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
index 15ec37e0125a..a14c13706607 100644
--- a/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
+++ b/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
@@ -231,7 +231,7 @@ export function createServerMainCodeBundleOptions(
   target: string[],
   sourceFileCache: SourceFileCache,
   stylesheetBundler: ComponentStylesheetBundler,
-): BuildOptions {
+): BundlerOptionsFactory {
   const {
     serverEntryPoint: mainServerEntryPoint,
     workspaceRoot,
@@ -246,127 +246,129 @@ export function createServerMainCodeBundleOptions(
     'createServerCodeBundleOptions should not be called without a defined serverEntryPoint.',
   );
 
-  const pluginOptions = createCompilerPluginOptions(options, sourceFileCache);
-
-  const mainServerNamespace = 'angular:main-server';
-  const mainServerInjectPolyfillsNamespace = 'angular:main-server-inject-polyfills';
-  const mainServerInjectManifestNamespace = 'angular:main-server-inject-manifest';
-  const zoneless = isZonelessApp(polyfills);
-  const entryPoints: Record<string, string> = {
-    'main.server': mainServerNamespace,
-  };
+  return (loadResultCache) => {
+    const pluginOptions = createCompilerPluginOptions(options, sourceFileCache, loadResultCache);
 
-  const ssrEntryPoint = ssrOptions?.entry;
-  const isOldBehaviour = !outputMode;
+    const mainServerNamespace = 'angular:main-server';
+    const mainServerInjectPolyfillsNamespace = 'angular:main-server-inject-polyfills';
+    const mainServerInjectManifestNamespace = 'angular:main-server-inject-manifest';
+    const zoneless = isZonelessApp(polyfills);
+    const entryPoints: Record<string, string> = {
+      'main.server': mainServerNamespace,
+    };
 
-  if (ssrEntryPoint && isOldBehaviour) {
-    // Old behavior: 'server.ts' was bundled together with the SSR (Server-Side Rendering) code.
-    // This approach combined server-side logic and rendering into a single bundle.
-    entryPoints['server'] = ssrEntryPoint;
-  }
+    const ssrEntryPoint = ssrOptions?.entry;
+    const isOldBehaviour = !outputMode;
 
-  const buildOptions: BuildOptions = {
-    ...getEsBuildServerCommonOptions(options),
-    target,
-    inject: [mainServerInjectPolyfillsNamespace, mainServerInjectManifestNamespace],
-    entryPoints,
-    supported: getFeatureSupport(target, zoneless),
-    plugins: [
-      createWasmPlugin({ allowAsync: zoneless, cache: sourceFileCache?.loadResultCache }),
-      createSourcemapIgnorelistPlugin(),
-      createCompilerPlugin(
-        // JS/TS options
-        { ...pluginOptions, noopTypeScriptCompilation: true },
-        // Component stylesheet bundler
-        stylesheetBundler,
-      ),
-    ],
-  };
+    if (ssrEntryPoint && isOldBehaviour) {
+      // Old behavior: 'server.ts' was bundled together with the SSR (Server-Side Rendering) code.
+      // This approach combined server-side logic and rendering into a single bundle.
+      entryPoints['server'] = ssrEntryPoint;
+    }
 
-  buildOptions.plugins ??= [];
+    const buildOptions: BuildOptions = {
+      ...getEsBuildServerCommonOptions(options),
+      target,
+      inject: [mainServerInjectPolyfillsNamespace, mainServerInjectManifestNamespace],
+      entryPoints,
+      supported: getFeatureSupport(target, zoneless),
+      plugins: [
+        createWasmPlugin({ allowAsync: zoneless, cache: loadResultCache }),
+        createSourcemapIgnorelistPlugin(),
+        createCompilerPlugin(
+          // JS/TS options
+          { ...pluginOptions, noopTypeScriptCompilation: true },
+          // Component stylesheet bundler
+          stylesheetBundler,
+        ),
+      ],
+    };
 
-  if (externalPackages) {
-    buildOptions.packages = 'external';
-  } else {
-    buildOptions.plugins.push(createRxjsEsmResolutionPlugin());
-  }
+    buildOptions.plugins ??= [];
 
-  // Mark manifest and polyfills file as external as these are generated by a different bundle step.
-  (buildOptions.external ??= []).push(...SERVER_GENERATED_EXTERNALS);
-  const isNodePlatform = options.ssrOptions?.platform !== ExperimentalPlatform.Neutral;
+    if (externalPackages) {
+      buildOptions.packages = 'external';
+    } else {
+      buildOptions.plugins.push(createRxjsEsmResolutionPlugin());
+    }
 
-  if (!isNodePlatform) {
-    // `@angular/platform-server` lazily depends on `xhr2` for XHR usage with the HTTP client.
-    // Since `xhr2` has Node.js dependencies, it cannot be used when targeting non-Node.js platforms.
-    // Note: The framework already issues a warning when using XHR with SSR.
-    buildOptions.external.push('xhr2');
-  }
+    // Mark manifest and polyfills file as external as these are generated by a different bundle step.
+    (buildOptions.external ??= []).push(...SERVER_GENERATED_EXTERNALS);
+    const isNodePlatform = options.ssrOptions?.platform !== ExperimentalPlatform.Neutral;
 
-  buildOptions.plugins.push(
-    createServerBundleMetadata(),
-    createVirtualModulePlugin({
-      namespace: mainServerInjectPolyfillsNamespace,
-      cache: sourceFileCache?.loadResultCache,
-      loadContent: () => ({
-        contents: `import './polyfills.server.mjs';`,
-        loader: 'js',
-        resolveDir: workspaceRoot,
-      }),
-    }),
-    createVirtualModulePlugin({
-      namespace: mainServerInjectManifestNamespace,
-      cache: sourceFileCache?.loadResultCache,
-      loadContent: async () => {
-        const contents: string[] = [
-          // Configure `@angular/ssr` manifest.
-          `import manifest from './${SERVER_APP_MANIFEST_FILENAME}';`,
-          `import { ɵsetAngularAppManifest } from '@angular/ssr';`,
-          `ɵsetAngularAppManifest(manifest);`,
-        ];
+    if (!isNodePlatform) {
+      // `@angular/platform-server` lazily depends on `xhr2` for XHR usage with the HTTP client.
+      // Since `xhr2` has Node.js dependencies, it cannot be used when targeting non-Node.js platforms.
+      // Note: The framework already issues a warning when using XHR with SSR.
+      buildOptions.external.push('xhr2');
+    }
 
-        return {
-          contents: contents.join('\n'),
+    buildOptions.plugins.push(
+      createServerBundleMetadata(),
+      createVirtualModulePlugin({
+        namespace: mainServerInjectPolyfillsNamespace,
+        cache: loadResultCache,
+        loadContent: () => ({
+          contents: `import './polyfills.server.mjs';`,
           loader: 'js',
           resolveDir: workspaceRoot,
-        };
-      },
-    }),
-    createVirtualModulePlugin({
-      namespace: mainServerNamespace,
-      cache: sourceFileCache?.loadResultCache,
-      loadContent: async () => {
-        const mainServerEntryPointJsImport = entryFileToWorkspaceRelative(
-          workspaceRoot,
-          mainServerEntryPoint,
-        );
+        }),
+      }),
+      createVirtualModulePlugin({
+        namespace: mainServerInjectManifestNamespace,
+        cache: loadResultCache,
+        loadContent: async () => {
+          const contents: string[] = [
+            // Configure `@angular/ssr` manifest.
+            `import manifest from './${SERVER_APP_MANIFEST_FILENAME}';`,
+            `import { ɵsetAngularAppManifest } from '@angular/ssr';`,
+            `ɵsetAngularAppManifest(manifest);`,
+          ];
+
+          return {
+            contents: contents.join('\n'),
+            loader: 'js',
+            resolveDir: workspaceRoot,
+          };
+        },
+      }),
+      createVirtualModulePlugin({
+        namespace: mainServerNamespace,
+        cache: loadResultCache,
+        loadContent: async () => {
+          const mainServerEntryPointJsImport = entryFileToWorkspaceRelative(
+            workspaceRoot,
+            mainServerEntryPoint,
+          );
 
-        const contents: string[] = [
-          // Re-export all symbols including default export from 'main.server.ts'
-          `export { default } from '${mainServerEntryPointJsImport}';`,
-          `export * from '${mainServerEntryPointJsImport}';`,
+          const contents: string[] = [
+            // Re-export all symbols including default export from 'main.server.ts'
+            `export { default } from '${mainServerEntryPointJsImport}';`,
+            `export * from '${mainServerEntryPointJsImport}';`,
 
-          // Add @angular/ssr exports
-          `export {
+            // Add @angular/ssr exports
+            `export {
             ɵdestroyAngularServerApp,
             ɵextractRoutesAndCreateRouteTree,
             ɵgetOrCreateAngularServerApp,
           } from '@angular/ssr';`,
-        ];
+          ];
 
-        return {
-          contents: contents.join('\n'),
-          loader: 'js',
-          resolveDir: workspaceRoot,
-        };
-      },
-    }),
-  );
+          return {
+            contents: contents.join('\n'),
+            loader: 'js',
+            resolveDir: workspaceRoot,
+          };
+        },
+      }),
+    );
 
-  if (options.plugins) {
-    buildOptions.plugins.push(...options.plugins);
-  }
+    if (options.plugins) {
+      buildOptions.plugins.push(...options.plugins);
+    }
 
-  return buildOptions;
+    return buildOptions;
+  };
 }
 
 export function createSsrEntryCodeBundleOptions(