jthegedus

const functions = require("firebase-functions")
const cors = require("cors")
const express = require("express")

/* Express with CORS */
const app2 = express()
app2.use(cors({ origin: true }))
app2.get("*", (request, response) => {
  response.send("Hello from Express on Firebase with CORS!")
})

jthegedus

{
  "name": "functions",
  "description": "Cloud Functions for Firebase",
  "dependencies": {
    "apollo-server-express": "^1.1.3",
    "body-parser": "^1.18.2",
    "express": "^4.16.1",
    "firebase-admin": "^5.4.1",
    "firebase-functions": "^0.7.0",
    "graphql": "^0.11.7",

jthegedus

import { https } from "firebase-functions"
import setupGraphQLServer from "./graphql/server"

/* CF for Firebase with graphql-server-express */
const graphQLServer = setupGraphQLServer()

// https://us-central1-<project-name>.cloudfunctions.net/api
export const api = https.onRequest(graphQLServer)

jthegedus

import { makeExecutableSchema } from "graphql-tools"

import resolvers from "./resolvers"

const schema = `
type Author {
  id: Int! # the ! means that every author object _must_ have an id
  firstName: String
  lastName: String
  posts: [Post] # the list of Posts by this author

jthegedus

const authors = [
  { id: 1, firstName: "Tom", lastName: "Coleman" },
  { id: 2, firstName: "Sashko", lastName: "Stubailo" }
]

const posts = [
  { id: 1, authorId: 1, title: "Introduction to GraphQL", votes: 2 },
  { id: 2, authorId: 2, title: "GraphQL Rocks", votes: 3 },
  { id: 3, authorId: 2, title: "Advanced GraphQL", votes: 1 }
]

jthegedus

// input - using CommonJS module syntax
const functions = require('firebase-functions')

module.exports.helloWorld = functions.https.onRequest((req, res) => {
  let world = `from Babelified Cloud Functions!`;
  res.status(200).send(`Hello ${world}`);
})

// Babel output - with Babel REPL settings:
// * preset-es2015

jthegedus

// input - using ES module syntax
import * as functions from 'firebase-functions';

export let helloWorld = functions.https.onRequest((req, res) => {
  let world = `from Babelified Cloud Functions!`;
  res.status(200).send(`Hello ${world}`);
})

// Babel output - with Babel REPL settings:
// * prettify

jthegedus

// input - async/awaiy with CommonJS module syntax
const functions = require('firebase-functions');

// returns a string after 5 seconds
const message = () => {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve(`from Babelified Cloud Functions!`)
    }, 5000)
  })

jthegedus

// Babel output - with Babel REPL settings:
// * preset-es2015
"use strict";

var functions = require("firebase-functions");

var message = function message() {
  return new Promise(function(resolve) {
    setTimeout(function() {
      resolve("from Babelified Cloud Functions!");

jthegedus

// Babel output - with Babel REPL settings:
// * prettify
// * preset-es2015 (es6->es5)
// * preset-es2016 (es7->es6)
// * preset-es2017 (es8->es7)

"use strict";

function _asyncToGenerator(fn) {
  return function() {