Rule Definition
Ensure that each web service callback is going to be properly checked in order to make sure you will not miss any problem that occurred in your application and you will give the information to the user.
Remediation
Make sure that possible error is handled.
Violation Code Sample
function loadData (err, data) {
doSomething(); // forgot to handle error
}
Fixed Code Sample
function loadData (err, data) {
if (err) {
console.log(err.stack);
}
doSomething();
}
function generateError (err) {
if (err) {}
}
Related Technologies
Technical Criterion
CWE-703 - Improper Check or Handling of Exceptional Conditions
About CAST Appmarq
CAST Appmarq is by far the biggest repository of data about real IT systems. It's built on thousands of analyzed applications, made of 35 different technologies, by over 300 business organizations across major verticals. It provides IT Leaders with factual key analytics to let them know if their applications are on track.