Firebase Functions

index.js

const functions = require("firebase-functions");
const express = require("express");
const admin = require("firebase-admin")

admin.initializeApp(functions.config().firebase)
// once you have the admin initialized then can access other parts of project
// say the real time database 
const realTimeDB = admin.database();
const userRef = realTimeDB.ref("users").child("user_uid_or_such_here");


const app = express();

app.get("/", (req, res) => {
  res.status(200).send({ data: "wordly hellos" });
});

exports.app = functions.https.onRequest(app);

// Chron jobs 
//https://firebase.google.com/docs/functions/schedule-functions

// example at 12:01 am every first of the month NYC time
exports.chooseWhateverNameYouWant = functions.pubsub
  .schedule("01 0 1 * *")
  .timeZone("America/New_York")
  .onRun((context) => {
 // do the stuff
})