index.js

const express = require('express')

const profile = require('./routes/api/controls')


const bodyParser = require('body-parser');
const path = require('path');
const app = express()

app.use(express.json())

// support parsing of application/json type post data
app.use(bodyParser.json());

//support parsing of application/x-www-form-urlencoded post data
app.use(bodyParser.urlencoded({ extended: true }));
// Add headers
app.use(function (req, res, next) {

    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', '*');

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true);

    // Pass to next layer of middleware
    next();
});

app.use("/api/controls", profile)
app.get('/',function(req,res) {
    res.sendFile(path.join(__dirname+'/views/index.html'));
  });

  app.get('/style.css', function(req, res) {
    res.sendFile(__dirname + "/views/" + "style.css");
  });

//For all unmatched routes
app.use((req, res) => {
    res.status(400).json("Invalid API request");
})


const port = process.env.PORT || 4000
app.listen(port, () => console.log(`Server started on port ${port}`))