How to setup App Check in dev environment and last next js 13.4 project with app directory and reactfire?

Question

How to setup App Check in dev environment and last next js 13.4 project with app directory and reactfire?

411 Views Asked by Dimitri Jacquin At 15 May 2023 at 16:55

I was unable to use "firebese app check" in a Next.js 13.4 project with the "app" directory in development mode. I tried using ReactFire, but I only encountered errors. The latest version of Next.js is in SSR, so I attempted to use effects to access the window object, but that didn't work either. I couldn't find any help online, including Chat GPT. Please could you help me with this issue.

I would like to use firebase appcheck within Nextjs (13.4 app directory) in dev mode.

Original Q&A

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**Rafael Zasas** · Answer 1 · 2023-09-01T18:35:18.263000

There are two things you need to do in order to get it working.

The First is to ensure that the app check initialization is happening on the client. You can encapsulate the initialization in a component with the "use client" directive (I have a providers.tsx to do this sort of thing) and then further encapsulate it in a useEffect with empty dependency array to ensure it is only ran once.
Next, is to ensure that the FIREBASE_APPCHECK_DEBUG_TOKEN attribute is available on the windows namespace.

I will show my entire providers.tsx so that you have context as to where this is being ran in the tree:

"use cleint";

// other imports...

import {
  initializeAppCheck,
  ReCaptchaEnterpriseProvider,
} from 'firebase/app-check'
import { app } from '@/lib/firebase'

export default function Providers({ children }: { children: React.ReactNode }) {
  const userProps = useUserData()
  const toastProps = useToast()
  const modalProps = useModal()

  // service worker initialization omitted for brevity.

  useEffect(() => {
    console.log('initializing app check')
    // Firebase uses a global variable to check if app check is enabled in a dev environment
    if (process.env.NODE_ENV !== 'production') {
      Object.assign(window, {
        FIREBASE_APPCHECK_DEBUG_TOKEN:
          process.env.NEXT_PUBLIC_APP_CHECK_DEBUG_TOKEN,
      })
    }

    // NOTE* app is my Firebase APP instance, which I've imported
    initializeAppCheck(app, {
      provider: new ReCaptchaEnterpriseProvider(
        process.env.NEXT_PUBLIC_RECAPTCHA_ENTERPRISE_KEY as string
      ),
      isTokenAutoRefreshEnabled: true,
    })
  }, [])

  return (
    <UserContext.Provider value={userProps}>
      <Analytics />
      <ModalContext.Provider value={modalProps}>
        <ToastContext.Provider value={toastProps}>
          {children}
          <ToastContainer />
        </ToastContext.Provider>
      </ModalContext.Provider>
      <Modal
        open={modalProps.showModal}
        setOpen={modalProps.setShowModal}
        preventOutsideClick={modalProps.preventOutsideClick}
      >
        {modalProps.modalChildren}
      </Modal>
      <div id="recaptcha-container"></div>
    </UserContext.Provider>
  )
}

And this is how Providers is being used in the Root Layout:

export default function Rootlayout({
  children,
}: {
  children: React.ReactNode
}) {
  return (
    <html
      lang="en"
    >
      <body>
        <Providers> 
          <Header />
          <main>{children}</main>
          <Footer />
        </Providers>
      </body>
    </html>
  )
}

How to setup App Check in dev environment and last next js 13.4 project with app directory and reactfire?

There are 1 best solutions below

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