Inconvenient logging exceptions in SharePoint Framework production bundles

Inconvenient logging exceptions in SharePoint Framework production bundles

So you optimized your SharePoint Framework bundle for production. Your variable names are shortened and white-spaces are removed. Like a good developer, you instrumented your code with logging, in case something doesn't work as expected. One day you get an exception: An error has occurred.
Inconvenient logging exceptions in SharePoint Framework production bundles using Application Insights

Inconvenient logging exceptions in SharePoint Framework production bundles using Application Insights

You setup Application Insights to monitor your SharePoint Framework solutions in case something isn't working as expected. But when the first exception comes in, you're clueless. All you see, is...