Q141. How do you handle Route Handlers in the Next.js App Router?
By creating files in the `app/api` directory, where each file corresponds to an API endpoint. ```jsx // app/api/hello/route.js export async function GET(request) { return...
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Q142. How do middleware work in Next.js?
Middleware in Next.js allows you to run code before a request is completed. You can use it to modify the request or response, redirect users, or perform authentication ch...
Q143. What is form action in Next.js?
The `formAction` is a special attribute used in Next.js to define the action URL for a form submission. It allows you to specify a server-side function that will handle t...
Q144. How do you handle file uploads in Next.js?
By using the `formData` API in a server action to handle file uploads. ```jsx // app/upload/page.js "use server"; export async function handleUpload(formData) { const fil...
Q145. Mention some common use cases for the App Router in Next.js.
- Creating nested routes with layouts. - Implementing server-side rendering for dynamic content. - Handling API routes for backend functionality. - Managing authenticatio...
Q146. One of the main differences between the App Router and Pages Router in Next.js?
The App Router allows for nested routes, layouts, and server components, while the Pages Router uses a flat file structure for routing and does not support nested routes ...
Q147. What is the use of the `use client` directive in Next.js?
The `use client` directive is used to indicate that a component should be rendered on the client side. It allows you to write client-side logic in a component that can be...
Q148. Is it possible to use both App Router and Pages Router in the same Next.js project?
Yes, it is possible to use both App Router and Pages Router in the same Next.js project. You can have the `app` directory for the App Router and the `pages` directory for...
Q149. Are there any limitations of the App Router in Next.js?
Yes, some limitations of the App Router include: - It is only available in Next.js 13 and later versions. - It may not support all features available in the Pages Router....
Q150. Explain the concept of authorization in middleware & routes in Next.js.
Authorization in middleware and routes in Next.js involves checking if a user has the necessary permissions to access a specific route or perform an action. This can be d...