fix(data-prefetch): the prefetch exports type is promise or function (#3347)

Author: 2heal1

.changeset/nice-suns-eat.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/data-prefetch': patch
+---
+
+fix(data-prefetch): the prefetch exports type is promise or function

packages/data-prefetch/src/prefetch.ts

@@ -99,7 +99,7 @@ export class MFDataPrefetch {
     const exportsPromise =
       typeof exportsPromiseFn === 'function'
         ? exportsPromiseFn()
-        : Promise.resolve({});
+        : exportsPromiseFn;
     const resolve = exportsPromise.then(
       (exports: Record<string, Record<string, any>> = {}) => {
         // Match prefetch based on the function name suffix so that other capabilities can be expanded later.