express handle errors in route code example

Example 1: how to handle all error of all router in express

const handleErrorAsync = func => (req, res, next) => {
    func(req, res, next).catch((error) => next(error));
};

Example 2: express error handling

app.use(function (err, req, res, next) {
  console.error(err.stack)
  res.status(500).send('Something broke!')
})