Next.js JWT Authentication Middleware
Implement JWT-based authentication in Next.js using middleware for route protection, cookie-based token storage, and edge-compatible jose library for token.
Typescript + Next
Next.js API Route Handler
Create typed API route handlers in Next.js App Router with Zod validation, standard Response objects, error handling middleware, and OpenAPI-compatible.
Next.js SSR Data Fetching with getServerSideProps
Fetch data server-side in Next.js using getServerSideProps for SEO-friendly pages with fresh data on every request. Includes error handling, TypeScript.
Next.js File Upload with Progress
Upload files in Next.js using server actions with streaming progress, file size validation, MIME type checking, and chunked transfer to handle large files.
Next.js Server-Side Form Validation
Validate forms in Next.js App Router using server actions with Zod schema validation. Returns typed error objects to the client component and prevents.