“penanganan kesalahan node.js” Kode Jawaban

kesalahan lemparan node js

FactoryController.prototype.create = function (callback) {
    //The throw is working, and the exception is returned.
    throw new Error('An error occurred'); //outside callback 
    try {
        this.check(function (check_result) {
            callback(check_result);
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}

FactoryController.prototype.create = function (callback) {
    try {
        this.check(function (check_result) {
            //The throw is not working on this case to return the exception to the caller(parent)
            throw new Error('An error occurred'); //inside callback 
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}
Helpless Hoopoe

Penanganan kesalahan di Node JS

app.get('/', function (req, res, next) {
  Promise.resolve().then(function () {
    throw new Error('BROKEN')
  }).catch(next) // Errors will be passed to Express.
})
Beautiful Badger

Penanganan kesalahan di node.js

app.use(( err, req, res, next ) => {
  res.locals.error = err;
  if (err.status >= 100 && err.status < 600)
    res.status(err.status);
  else
    res.status(500);
  res.render('error');
});
Super Sloth

penanganan kesalahan node.js

process.on('warning', veri => console.log(veri))
process.on('unhandledRejection', veri => console.log(veri))
process.on('uncaughtException', veri => console.log(veri))
Pudochu

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