Simple long-running node process

onoff.js

const express = require('express');

const app = express();

let isOn = true

// Testing
app.get('/off', (req, res) => {
  isOn = false
  res.json({ method: req.method, path: req.path, on: isOn });
});

app.get('/on', (req, res) => {
  isOn = true
  res.json({ method: req.method, path: req.path, on: isOn });
});

// Report what the current status is
setInterval(() {
  console.log(isOn);
}, 1000);

// The "catchall" handler: for any request that doesn't
// match one above, send back React's index.html file.
// app.get('*', (req, res) => {
//   res.sendFile(path.join(__dirname+'/client/build/index.html'));
// });

app.listen(3000, (err) => {
  if (err) throw err;
  console.log(`> Ready on http://localhost:${port}`);
});