@aasiph express.js code
const bodyParser = require('body-parser') const cors = require('cors') const express = require('express') const app = express() const host = 'localhost' const port = 3001 ;(async () => { try { app.use(cors()) app.use(bodyParser.json()) app.listen(port).on('listening', () => { console.log( 'App server started on http://%s:%d', host, port ) }) process.on('unhandledRejection', (reason) => { console.log('Unhandled rejection:') console.log(reason) }) await fetchData() } catch (error) { console.log('ERR:') console.log(error) } })()A