/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

Similar codes

0 vote310 views1 answer
Expressjs swagger yaml
Javascript Express
0 vote325 views1 answer
How to Delete Comment from Post on Node, express and Mongoose and Ajax
Javascript Express
0 vote286 views1 answer
Express orm
Javascript Express
0 vote285 views2 answers
Express plus
Javascript Express
0 vote293 views2 answers
Req.query express
Javascript Express
0 vote257 views1 answer
Node express send header
Javascript Express
0 vote322 views1 answer
Express http to https
Javascript Express
0 vote282 views1 answer
Node express mongo boilerplate with jwt
Javascript Express
31 votes333 views4 answers
Express cors policy
Javascript Express
0 vote322 views1 answer
Nodemon e criando o Servidor com express
Javascript Express