Nested routes with folders in NextJS - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of using folders for nested routes in Next.js?

Folders help organize pages into a clear hierarchy, making nested routes easy to manage and understand. Each folder represents a route segment, and files inside define the nested pages.

beginner

How do you create a nested route like /blog/post in Next.js using folders?

Create a folder named blog inside the app directory, then add a file named page.js inside a post folder within blog. This structure maps to the URL /blog/post.

beginner

What file name is required inside a folder to define a page in Next.js App Router?

The file must be named page.js (or page.tsx) inside the folder to define the page component for that route segment.

intermediate

How does Next.js handle dynamic nested routes with folders?

You create folders with square brackets like [id] to mark dynamic segments. For example, app/blog/[id]/page.js maps to /blog/any-value where any-value is dynamic.

intermediate

Why is using nested folders for routes beneficial for large Next.js projects?

It keeps the project organized, makes it easier to find and update pages, and reflects the URL structure clearly, which helps both developers and users understand the app layout.

In Next.js App Router, which file name defines a page inside a folder?

A main.js

B index.js

C page.js

D app.js

Next.js requires a file named page.js inside a folder to define the page component for that route.

How do you create a nested route /shop/products in Next.js?

A Create a file shop-products.js in app folder

B Create files shop.js and products.js in app folder

C Use query parameters in a single page.js

D Create folder shop/products with page.js inside products

Nested folders named shop and products with page.js inside products folder create the /shop/products route.

What folder name syntax is used for dynamic routes in Next.js?

A [param]

B {param}

C (param)

D <param>

Square brackets around a folder or file name, like [param], define dynamic route segments.

If you want a route /profile/settings, where should the page.js file be placed?

A app/profile/settings/page.js

B app/profile.js and app/settings.js

C app/profile-settings/page.js

D app/settings/profile/page.js

Nested folders profile and settings with page.js inside settings folder create /profile/settings route.

Why is nesting routes with folders better than flat files for complex apps?

A It reduces the number of files needed

B It organizes routes clearly and matches URL structure

C It automatically creates API endpoints

D It disables dynamic routing

Nesting folders reflects the URL path and keeps the project organized, which is helpful for complex apps.

Explain how to create a nested route in Next.js using folders. Include how the folder and file names relate to the URL path.

Think about how a folder structure looks like the URL path.

Describe how dynamic nested routes work in Next.js and how you set them up with folders.

Remember the special syntax for dynamic routes.