Fix TypeScript compilation errors with Vercel cache API

- Remove invalid generic type parameter from cache.get<CacheEntry>() call
- Add proper type assertion for cache.get() return value
- Resolve type mismatch issues in cache entry handling functions

Author: Nathan Booker

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.1] - 2025-01-03
+
+### Fixed
+- Fixed TypeScript compilation errors with Vercel cache API
+  - Removed invalid generic type parameter from `cache.get<CacheEntry>()` call
+  - Added proper type assertion for cache.get() return value
+  - Resolved type mismatch issues in cache entry handling functions
+
 ## [0.3.1] - 2025-01-03
 
 ### Added

src/index.ts

@@ -313,7 +313,7 @@ export async function cachedFetch(
   try {
     // Try to get from cache first
     if (cacheOption === 'force-cache' || cacheOption === 'auto no cache') {
-      const cachedEntry = await cache.get<CacheEntry>(cacheKey);
+      const cachedEntry = await cache.get(cacheKey) as CacheEntry | undefined;
 
       if (cachedEntry && !isCacheEntryExpired(cachedEntry)) {
         // Check if we need to revalidate in the background