let MockAnalyticsApi const express = require('express') const app = express() module.exports = MockAnalyticsApi = { updates: {}, run() { app.get('/graphs/:graph', (req, res, next) => { return res.json({}) }) app .listen(3050, error => { if (error) { throw error } }) .on('error', error => { console.error('error starting MockAnalyticsApi:', error.message) return process.exit(1) }) } } MockAnalyticsApi.run()