Describe the bug
The --ignore-files flag can't be used even though coverage-report supports it.

Feature request

In case of errors or while profiling it's important to know the stack. The problem is, that multiple used functions seem to be anonymous. Most functions infer their names from their variable names but that's not always possible. In such cases, it's good to use "old school" functions as in function foobar() {} instead of arrow functions () => {}.

Mostly, this applies to