firewalk/dist/api/interfaces/UpdateDataGetter.d.ts

A collection traversal library for Firestore

import type { firestore } from 'firebase-admin';
/**
 * A function that takes a document snapshot and derives the data with which to update that document.
 */
export type UpdateDataGetter<D = firestore.DocumentData> = (doc: firestore.QueryDocumentSnapshot<D>) => firestore.UpdateData<D>;