Fixed redirect for index with getServerSideProps

Author: jonasbuntinx

lib/allNextJsPages.js

@@ -55,7 +55,7 @@ const getAllPages = () => {
     // the JSON data to the Netlify Function.
     const dataRoute = dataRoutes.find(({ page }) => page === route);
     if (dataRoute)
-      alternativeRoutes.push(join("/_next/data", buildId, `${route}.json`));
+      alternativeRoutes.push(join("/_next/data", buildId, `${route === "/" ? "/index" : route}.json`));
 
     pages.push(new Page({ route, type, filePath, alternativeRoutes }));
   });