Firebase to sposób na zmianę nazwy dokumentu

const firestore = firebase.firestore();
// get the data from '[email protected]'
firestore.collection("users").doc("[email protected]").get().then(function (doc) {
    if (doc && doc.exists) {
        var data = doc.data();
        // saves the data to 'name'
        firestore.collection("users").doc("name").set(data).then({
            // deletes the old document
            firestore.collection("users").doc("[email protected]").delete();
        });
    }
});
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