[FSSDK-12453] server bundle addition

package.json

@@ -9,6 +9,11 @@
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
+      "react-server": {
+        "types": "./dist/server.d.ts",
+        "import": "./dist/server.es.min.mjs",
+        "default": "./dist/server.es.min.mjs"
+      },
       "types": "./dist/index.d.ts",
       "import": "./dist/react-sdk.es.min.mjs",
       "default": "./dist/react-sdk.es.min.mjs"

rollup.config.mjs

@@ -22,13 +22,28 @@ const { dependencies, peerDependencies } = pkg;
 const externalDeps = [...Object.keys(dependencies || {}), ...Object.keys(peerDependencies || {}), 'crypto'];
 const external = (id) => externalDeps.some((dep) => id === dep || id.startsWith(dep + '/'));
 
-export default {
-  input: '.build/index.js',
+const shared = {
   external,
   plugins: [resolve({ browser: true }), terser()],
-  output: {
-    file: 'dist/react-sdk.es.min.mjs',
-    format: 'es',
-    sourcemap: true,
-  },
 };
+
+export default [
+  {
+    ...shared,
+    input: '.build/index.js',
+    output: {
+      file: 'dist/react-sdk.es.min.mjs',
+      format: 'es',
+      sourcemap: true,
+    },
+  },
+  {
+    ...shared,
+    input: '.build/server.js',
+    output: {
+      file: 'dist/server.es.min.mjs',
+      format: 'es',
+      sourcemap: true,
+    },
+  },
+];

src/server.ts

@@ -0,0 +1,46 @@
+/**
+ * Copyright 2026 Optimizely
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Server-safe entry point for @optimizely/react-sdk.
+ *
+ * This module can be safely imported in React Server Components (RSC)
+ * as it does not use any client-only React APIs (createContext, hooks, etc.).
+ */
+
+// Client creation
+export {
+  createInstance,
+  createPollingProjectConfigManager,
+  createStaticProjectConfigManager,
+  createBatchEventProcessor,
+  createForwardingEventProcessor,
+  createOdpManager,
+  createVuidManager,
+  createErrorNotifier,
+} from './client/index';
+
+// Logger
+export { createLogger, DEBUG, ERROR, WARN, INFO } from './logger/index';
+
+// Helpers
+export { getQualifiedSegments, type QualifiedSegmentsResult } from './utils/helpers';
+
+// Types from JS SDK
+export type * from '@optimizely/optimizely-sdk';
+
+// UserInfo type (type-only, safe for server)
+export type { UserInfo } from './provider/types';