ES6+ in Cloud Functions for Firebase - preset-2015 with ES module syntax

CF4F-ES6-2|function02.js

// 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
// * preset-es2015
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.helloWorld = undefined;

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

var functions = _interopRequireWildcard(_firebaseFunctions);

function _interopRequireWildcard(obj) {
  if (obj && obj.__esModule) {
    return obj;
  } else {
    var newObj = {};
    if (obj != null) {
      for (var key in obj) {
        if (Object.prototype.hasOwnProperty.call(obj, key))
          newObj[key] = obj[key];
      }
    }
    newObj.default = obj;
    return newObj;
  }
}

var helloWorld = (exports.helloWorld = functions.https.onRequest(function(req, res) {
  var world = "from Babelified Cloud Functions!";
  res.status(200).send("Hello " + world);
}));