/Javascript/Express/Express error middleware

Express error middleware

function errorHandler (err, req, res, next) {
  if (res.headersSent) {
    return next(err)
  }
  res.status(500)
  res.render('error', { error: err })
}

Source: expressjs.com

Express generator error handling

app.get('/', function (req, res) {
  throw new Error('BROKEN') // Express will catch this on its own.
})

Source: expressjs.com

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