Next.js: Fixing a Blank Page Issue After `res.redirect()` in API Routes

In my Next.js project, I encountered an issue where calling res.redirect('/') in an API route resulted in a blank page on Vercel after the redirect. Surprisingly, this problem didn’t occur during local development. The URL was correct, but the content didn’t appear until a page refresh was performed. To resolve this issue, I found that replacing res.redirect('/') with res.writeHead(302, { Location: '/' }).end() fixed the problem. The res.writeHead(302, { Location: '/' })....