Add the "use client" directive at the top of the file, TypeError: createContext only works for client components
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P粉811349112 2023-10-25 22:01:11
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I created a brand new Next.js application that uses theappfolder. Then I installed Materiel UI and started using the examples given in the documentation. But I get this error:

Type error: createContext only applies to client components. Add a "use client" directive at the top of the file to use it.

Here is an example of documentation in my code:

import Button from "@mui/material/Button"; export default function Home() { return ( 
); }

I want this button to appear on my page. I know adding"use client"at the top will fix the error, but I want my page to render on the server.

P粉811349112
P粉811349112

reply all (2)
P粉642436282

To make MUI work perfectly with SSR, you need to make some adjustments:https://github.com/mui/material-ui/tree/master/examples/material-next-app-router-ts.

Note: Even if you configure it correctly, the button can be rendered server-side, but you cannot assign the onClick handler (if I remember correctly)

    P粉502608799

    Apparently the button you are importing is using a client hook, in this casecreateContext. To do this, you need to add"use client"at the top of the file. But this means that the page becomes aclient componentand does not cease to be aserver component.

    If this bothers you, you can create alibfolder at the same level asappand add themui.js file in it as follows Show:

    // lib/mui.js "use client"; export * from "@mui/material";

    Then you import it from there (this way, the rest of the page is still a server component):

    // app/page.js import { Button } from "../lib/mui"; export default function Home() { return ( 
    ); }

    Side note, you may encounter a similar error when setting up the context. This means you are trying to set it in the server component.The guidelineis to add this to its own "Use Client" tag file:

    // app/theme-provider.tsx "use client"; import { createContext } from "react"; export const ThemeContext = createContext(""); export default function ThemeProvider({ children }) { return (  {children}  ); }

    and import it from there:

    // app/layout.js import ThemeProvider from './theme-provider'; export default function RootLayout({ children }) { return (   {children}   ); }

    For a more detailed answer, check out thisthread.

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