I can't seem to locate the pageProps in nextjs v13. Can anyone

Previously in NextJS, there was a file called pages/_app.js that had the following default content: https://i.sstatic.net/nAvJf.png

In this React component, we had a key called pageProps. However, when I upgraded to NextJS v13, I couldn't locate it.

My question is, where can I find the pageProps in NextJS v13? Which file contains it?

Another related question is that in older versions of NextJS, we could use something like 

<p.Component {...p.pageProps} />
in the pages/app.js file. This allowed us to pass pageProps using a tag.

But in the latest version, you can only use {p.children}, which means passing props is not possible. I tried using <p.children />, but it didn't work.

javascriptnext.jsfrontend

Answer №1

Referencing the information from the documentation

Transferring data between a main layout and its descendants is not supported. Nevertheless, you can retrieve the same data in a route multiple times, and React will smartly eliminate redundant requests without any impact on performance.

I have come across recommendations advocating this method, but it appears ineffective:

function Layout(props) {

 props.params.data = "some-data";

  return (
        <div>
          {props.children}
        </div>
  );}

Answer №2

Utilizing Next.js Metadata API for Setting and Using pageProps

Next.js offers a convenient Metadata API that can effectively handle this problem. By utilizing the metadata constant, you can easily set your pageProps. Here is an example of how to define your metadata:

// metadata.js
export const metadata = {
  other: {
    custom: [
      JSON.stringify({
        key: value,
      }),
    ],
  },
};

You can then access this metadata within your component like so:

// YourComponent.js

const pageProps = JSON.parse(
  document.querySelector("meta[name='custom']").getAttribute("content")
);

// The 'pageProps' variable now holds the parsed metadata

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