I needed a way to quickly clear an entire firestore DB but couldn't find great documentation for how to do it. Eventually I found on stack overflow this answer (Clear Firestore database of all data?) but was a bit nervous about how long it would take to clear my entire DB of millions of documents, so I want a way to just recursively delete a collection at a time.
Background: I've been running some tests migrating large amounts of data from an old DB to firestore, and after each run I want a clean slate to work with in firestore. Do NOT use this on production data!
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