How do you pass props to the the page.jsx of layout? (NEXT 13)
//app/blog/layout.jsx
export default function RootLayout({ children }) {
return (
<div>
<Navbar />
<Sidebar />
{/*How do I pass any props from this root layout to this {children} that Im getting from page.jsx*/}
{children}
</div>
);
}
Basically, How do you pass a prop to a function prop (Next. JS 13)?
According to the next13 docs you cannot:
It's not possible to pass data between a parent layout and its children. However, you can fetch the same data in a route more than once, and React will automatically dedupe the requests without affecting performance.
Because the layout component refers to a component that defines the overall structure and arrangement of other components within an application or a specific section of the UI. it is not designed to implement state management. its whole purpose is to reduce the time to first render to increase the user experience
But I found a way. In Rootlayout, console.log(props)
export default function RootLayout(props) {
console.log("props in layout",props)
return (
<div>
{props.children}
</div>
);}
this is what you will see
props in layout {
children: {
'$$typeof': Symbol(react.element),
type: {
'$$typeof': Symbol(react.module.reference),
filepath: '/home/tesla//node_modules/next/dist/client/components/layout-router.js',
name: '',
async: false
},
key: null,
ref: null,
props: {
parallelRouterKey: 'children',
segmentPath: [Array],
error: undefined,
errorStyles: undefined,
loading: undefined,
loadingStyles: undefined,
hasLoading: false,
template: [Object],
templateStyles: undefined,
notFound: [Object],
notFoundStyles: undefined,
childProp: [Object],
rootLayoutIncluded: true
},
_owner: null,
_store: {}
},
// THIS IS HOW WE PASS PROPS
params: {}
}
Many properties are not extensible but params. we can dynamically add properties to this object. for example
props.params.newProp = "testing";
Now visit page.js and
const Page = (props) => {
console.log("props in page", props);
return ()}
you will see that props is added to the params object
No matter what I tried, page.tsx had only two props: params and searchParams. searchParams is automatically populated if you have query parameters on url. So, I think params are the only way to pass props from the root layout. you can pass functions too
params is the dynamic route params object of the page. So, in a dynamic segment defined as [slug], page.tsx's params prop will contain the following shape: params: { slug: 'some-slug' }. –
Morton params object and make the props available for layout's children. –
Morton {children} how would you go about that if you are not allowed to send from Layout to page? –
Botzow To pass props from your Layout component(RootLayout for you case) to page.jsx.
//app/blog/layout.jsx
export interface items {
foo: string;
bar: string;
}
export default function RootLayout({
children,
params,
}: {
children: React.ReactNode;
params: {
foo: string;
items: items;
age: number;
};
}) {
params.foo = "bar"; //string example
params.items = { foo: "bar", bar: "foo" }; //object example
params.age= 1; //number example
return (
<html lang="en" className="">
<body>{children}</body>
</html>
);
}
//app/blog/page.jsx
export default function Dashboard({
params,
}: {
params: { foo: string; items: items; age: number };
}) {
console.log(params.foo); //bar
console.log(params.items); //{foo: 'bar', bar: 'foo'}
console.log(params.age); //1
return (
<div></div>
);
}
Accepted answer is a hack and should be avoided. You don't pass value from layout to page, instead you get the value in the page component directly.
You can optionally cache the value in the layout, using React "cache" function. See this question about server context, the answers explains how you can then pass a value from the page to its own children without relying on props drilling.
{children} how would you go about that:? –
Botzow component/Layout.tsx with all reusable components like navbar as children and use it as the layout in your pages. –
Wirephoto You can just utilize React Context:
// layout.tsx
import React from 'react';
export const PageContext = React.createContext(null);
export default function SomeLayout({children}) {
const [search, setSearch] = React.useState('foo');
return <PageContext.Provider value={search}>{children}</PageContext.Provider>
}
// page.tsx
import React from 'react';
import PageContext from '../layout.tsx';
export default function SomePage() {
const search = React.useContext(PageContext);
console.log(search);
return null;
}
useContext in any server component. –
Duchamp you can handle it like this
const layout = ({children}: { children: React.ReactNode }) => {
const tabs = [
{
prefix: 'single',
link: router.business.simcards.simcardsList,
icon: (props) => {return( <SingleSimcardSVG {...props}/> )},
isActive: false
},
]
const childrenWithTabs = React.Children.toArray(children).map((child) => {
if (React.isValidElement(child) && typeof child.type === 'function') {
return React.cloneElement(child, { tabs } as any);
}
return child;
});
return (
<>
{childrenWithTabs}
</>
)}
export default layout
and in your child can access to props.tabs
undefined –
Formica In case if you want to send this props of children to Navbar component
<Navbar children = {children} />
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