Solve the TypeError: e$.database is not a function Error When Using nextJS with Firebase

Learn how to troubleshoot and resolve the `TypeError` you encounter when using NextJS and Firebase, ensuring seamless database connectivity for your app.
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Troubleshooting the TypeError in NextJS with Firebase

If you're working with a NextJS application hosted on Firebase and encountering a frustrating TypeError: e$.database is not a function, you're not alone. This issue typically arises when the Firebase database is not initialized correctly, leading to errors when trying to access its functions. In this guide, I'll guide you step-by-step on how to resolve this issue.

Understanding the Problem

You've already taken the right steps to set up your NextJS app on Firebase, but now it's time to address the error you're facing when trying to use Firebase Realtime Database. Let's break down your setup and pinpoint where things may be going wrong.

Current Implementation

Here's a brief overview of the code snippets you provided:

The Solution

To fix the issue, we need to ensure that Firebase products are properly initialized and accessed in your NextJS application. Follow these steps:

Step 1: Create a Configuration File

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Update Your Load Component

Next, modify the LoadData component to import the database instance and utilize it correctly. Here’s how you can do it:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Ensure Correct Configuration and Deployment

Make sure that all environment variables (like NEXT_PUBLIC_WEB_API_KEY, NEXT_PUBLIC_DATABASE_URL, etc.) are correctly set up in your Firebase project settings. After verifying these settings, run the following command to deploy your app:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By restructuring your Firebase initialization and correctly accessing the database, you should be able to eliminate the TypeError: e$.database is not a function error. This will enable you to seamlessly read and write data to your Firebase Realtime Database in your NextJS application. If you continue to face issues, double-check your Firebase settings and ensure you're using compatible versions of the Firebase SDK.

With these adjustments, your NextJS application should now be set up for successful interaction with Firebase. Happy coding!