Firestore - Get document collections

Question

i would to automate backup process of a firestore database. The idea is to loop over root document to build a JSON tree. but i didn\'t find a way to get all collections ava

Answer 1

Update
API has been updated, now function is .listCollections() https://googleapis.dev/nodejs/firestore/latest/DocumentReference.html#listCollections

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getCollections() method is available for NodeJS.

Sample code:

    db.collection("Collection").doc("Document").getCollections().then((querySnapshot) => {
    querySnapshot.forEach((collection) => {
        console.log("collection: " + collection.id);
        });
    });