JAVASCRIPT

firebase.database.servervalue.timestamp

// Get server timestamp
firebase.database.ServerValue.TIMESTAMP

firebase.database.ServerValue.TIMESTAMP to date

import firebase from 'firebase';
import Timestamp = firebase.firestore.Timestamp;

export function convertTimestampToDate(timestamp: Timestamp | any): Date | any {
  return timestamp instanceof Timestamp
    ? new Timestamp(timestamp.seconds, timestamp.nanoseconds).toDate()
    : timestamp;
}