Скачать или смотреть Resolving the ReferenceError: FirebaseFirestore is not defined in Firebase Functions

Encounter a `ReferenceError: FirebaseFirestore is not defined`? Learn how to fix this error when working with Firebase Functions and Firestore by using the correct import statements.
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This video is based on the question https://stackoverflow.com/q/68305229/ asked by the user 'Idris Ocasio' ( https://stackoverflow.com/u/7747652/ ) and on the answer https://stackoverflow.com/a/68305279/ provided by the user 'Dharmaraj' ( https://stackoverflow.com/u/13130697/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Troubleshooting the ReferenceError: FirebaseFirestore is not defined in Firebase Functions

When working with Firebase Functions, developers often run into errors that can be quite frustrating. One common issue arises when you see the error message:

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This error can halt your progress, preventing your functions from running properly. In this guide, we'll dive into the reasons for this error and how to resolve it effectively.

Understanding the Problem

The error occurs when the code attempts to access the FirebaseFirestore object but cannot find its definition. Specifically, the code you provided calls on FirebaseFirestore in two places, likely leading to the confusion. Here's the snippet of concern:

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

Since FirebaseFirestore has not been declared or imported in the context of your Firebase function, JavaScript fails to recognize it, resulting in the ReferenceError.

Solution: Using admin.firestore Instead

The solution to fixing this error is straightforward. Instead of using FirebaseFirestore, you should utilize the admin.firestore path, which is properly initialized when you call admin.initializeApp();. Below are the steps to make this adjustment:

Step 1: Modify Your Code

Replace the usage of FirebaseFirestore with admin.firestore. Here’s how you can implement the changes:

Update the Timestamp:
Change this line:

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To:

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Update the GeoPoint:
Change this line:

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To:

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

Step 2: Review Tutorials

If you were following a guide, it’s possible that the guide declared FirebaseFirestore elsewhere. For example:

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

If this declaration is missing and you're relying on it, you’ll need to remove those dependencies and directly use admin.firestore as demonstrated above.

Conclusion

By making these adjustments, you should resolve the ReferenceError and keep your Firebase function functional. Oftentimes, errors like these stem from misunderstandings about object imports and references, particularly when using modular architecture like Firebase.

With the right tweaks in your code, you’ll find that your Firebase project is back up and running in no time. Don't let such errors sidetrack your development journey—understanding the solution is key!

If you have further questions or encounter issues, feel free to reach out in the comments below! Happy coding!