Yes, you can write a node script w/ firebase admin to iterate over all documents in each collection and then call the appropriate mongoDB/faunaDB libraries to insert the records.
Although I'm not as familiar with it, you could also look into trying to extract the data from a Firestore backup file.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
My other fear is if I needed to move away from Firestore for any reason. Is that even possible as far as ease of mIgration to say MongoDB or FaunaDB..
Yes, you can write a node script w/ firebase admin to iterate over all documents in each collection and then call the appropriate mongoDB/faunaDB libraries to insert the records.
Although I'm not as familiar with it, you could also look into trying to extract the data from a Firestore backup file.