Set cache-control to no-cache for adaptive content

packages/gitbook/src/middleware.ts

@@ -290,8 +290,10 @@ export async function middleware(request: NextRequest) {
     setMiddlewareHeader(response, 'referrer-policy', 'no-referrer-when-downgrade');
     setMiddlewareHeader(response, 'x-content-type-options', 'nosniff');
 
-    if (typeof resolved.cacheMaxAge === 'number') {
+    const cacheControl =
-        const cacheControl = `public, max-age=0, s-maxage=${resolved.cacheMaxAge}, stale-if-error=0`;
+        typeof resolved.cacheMaxAge === 'number'
+            ? `public, max-age=0, s-maxage=${resolved.cacheMaxAge}, stale-if-error=0`
+            : 'no-cache';
 
     if (process.env.GITBOOK_OUTPUT_CACHE === 'true' && process.env.NODE_ENV !== 'development') {
         setMiddlewareHeader(response, 'cache-control', cacheControl);
@@ -299,8 +301,6 @@ export async function middleware(request: NextRequest) {
     } else {
         setMiddlewareHeader(response, 'x-gitbook-cache-control', cacheControl);
     }
-    }
-    // }
 
     if (resolved.cacheTags && resolved.cacheTags.length > 0) {
         const headerCacheTag = resolved.cacheTags.join(',');