I am standardizing all my callbacks to do proper exception handling, but
the only type of exceptions I can't seem to catch in a good way are the
ones illustrated below. When I make a call to a module function which
doesn't exist the exception is not caught anywhere even though I have the
uncaughtExeption handler.
Can anyone explain my what is the best way to catch this, and why this
exception isn't reported to me? The only solution I found is to put a
try/catch phrase around the module function call, but this is not a proper
solution, because you make these kind of errors by accident. I don't want
to put a try/catch clause around every module function I call just to make
sure i don't have a typo.
These kind of errors are really annoying me since I don't get any
notification so often I am searching in the wrong places.
Errorfun is just an empty module in this example.
Thijs
var assert = require('assert');
var errorfun = require('./errortestmodule');
var step = require('step');
process.on('uncaughtException', function(err) {
console.log("___________ UNCAUGHT _____________\n");
console.log(err.message);
console.log(err.stack);
});
process.on('exit', function () {
console.log('About to exit.');
});
function callNonexistant(callback){
setTimeout(errorfun.nonexitant, 1000);
}
function doSomethingAsync(callback){
step(
function(){
callNonexistant(this);
},
function(err){
if(err) return callback(err);
callback(null);
}
);
}
function myCallback(err, result){
if(err) throw err;
console.log("Finished and happy");
}
doSomethingAsync(myCallback);
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