include::../description.adoc[]

include::../ask-yourself.adoc[]

include::../recommended.adoc[]

== Sensitive Code Example

https://www.npmjs.com/package/errorhandler[errorhandler Express.js middleware] should not be used in production:

----
const express = require('express');
const errorhandler = require('errorhandler');

let app = express();
app.use(errorhandler()); // Sensitive
----

== Compliant Solution

https://www.npmjs.com/package/errorhandler[errorhandler Express.js middleware] used only in development mode:

----
const express = require('express');
const errorhandler = require('errorhandler');

let app = express();

if (process.env.NODE_ENV === 'development') {  // Compliant
  app.use(errorhandler());  // Compliant
}  
----

include::../see.adoc[]