test(rsc-mf): assert dedupe behavior in remote expose config

Author: cursoragent

tests/integration/rsc-mf/remote/module-federation.config.ts

@@ -32,7 +32,10 @@ const remoteExposeImports: Record<string, ExposeDefinitionInput> = {
   './defaultAction': './src/components/defaultAction.ts',
   './actionBundle': './src/components/actionBundle.ts',
   './infoBundle': {
-    import: './src/components/infoBundle.ts',
+    import: [
+      './src/components/infoBundle.ts',
+      './src/components/infoBundle.ts',
+    ],
   },
 };
 

tests/integration/rsc-mf/tests/moduleFederationConfig.test.ts

@@ -139,6 +139,19 @@ describe('rsc-mf module federation config contracts', () => {
     );
   });
 
+  it('deduplicates repeated imports in object expose definitions', () => {
+    const remoteConfig = loadRemoteConfig();
+    const infoBundleExpose = remoteConfig.exposes?.['./infoBundle'] as
+      | {
+          import?: string[];
+        }
+      | undefined;
+    expect(infoBundleExpose?.import).toEqual([
+      CALLBACK_BOOTSTRAP_IMPORT,
+      './src/components/infoBundle.ts',
+    ]);
+  });
+
   it('uses remote port env var in host manifest remote URL', () => {
     const hostConfig = loadHostConfig({
       nodeEnv: 'test',