my-little-service.js

const R = require('ramda');

// Imaginary repository that has a promisified method called putHello().
const repo = require('./hello-repo');

// Imaginary notification scheduler.
const notificationService = require('./notification-service');

// First, let's write the steps one by one.
module.exports = R.pipeP(
  validateInput,
  addHelloToRepo,
  scheduleNotifications,
  createResponse
);