Globaler Fehlerhandling Middleware Express
//app.js
//we need to put this code at last,this code run when there is no route match
app.all('*',(req,res,next)=> {
const err= new Error(`Can't find ${req.originalUrl} on this server!`)
err.status=404
err.statusCode=404
next(err)
})
//when we use next(err) it will go to error handling middleware and it will catch error and send response.
app.use((err,req,res,next)=> {
err.statusCode= err.statusCode || 500
err.status= err.status || 'error'
res.status(err.statusCode).json({
status:err.status,
message:err.message
})
})
Shirshak kandel
