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Quick tips: Persistent wrapper content in Next.js

napoleon039 profile image Nihar Raote ・1 min read

What kind of content?

Generally what comes to mind when thinking about some content that would stay constant across all or multiple pages, is a navigation bar. It can also be a header, some branding, or a menu.

This is easy to do with the _app.js component present in Next.js projects. If you created your project with create-next-app, you would have this component too.

_app.js component

Creating a component that wraps around <Component /> will get the job done.

The wrapping component

Putting any component in the pages folder will create a new page. This component will not be a separate page on its own. So, create a new folder named components at the root of the project. Create a new file in it - Layout.js.

Project folder structure after creating components folder with wrapper component

Writing a simple header like this:

Wrapper component - Layout.js

and wrapping it around <Component /> in _app.js:

_app.js component after using the Layout.js wrapper component

it should show up on all pages. Run the project:

npm run dev

Here is a CodeSandbox. I added some styles to Layout.js and also some nav links. As you can see, the header (along with the newly added nav links or navbar) is shown on both pages.

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