Skip prerendered routes in i18n middleware

Author: psd-coder

src/middlewares/i18n-redirect.ts

@@ -74,8 +74,13 @@ export default defineMiddleware((ctx, next) => {
   const url = new URL(ctx.request.url);
   const pathname = url.pathname;
 
-  console.log("i18n-redirect middleware:");
-  console.log("  -- isPrerendered:", ctx.isPrerendered);
+  console.log("i18n-redirect middleware:", pathname, ctx.isPrerendered);
+
+  // Skip prerendered pages, since they are static and don't have access to request headers & cookies.
+  // But when this middleware is deployed as edge middleware to Vercel, ctx.isPrerendered is always false.
+  if (ctx.isPrerendered) {
+    return next();
+  }
 
   if (!(i18MatcherRegexp as unknown as RegExp).test(pathname)) {
     return next();