#4326 - TypeError: Cannot read property 'param' of undefined

[ChaiWithJai]

PR checklist

• [ X ] Addresses an existing issue: fixes TypeError: Cannot read property 'param' of undefined #4326
• New feature, bugfix, or enhancement
  • Includes tests
• Documentation update

Overview of change:

There was an issue with setting the tag variable of the jsDoc rule to an empty array. The empty array wasn't a case that the exclude function was capturing. I added a case of what to do if the contentTag is undefined.

Is there anything you'd like reviewers to focus on?

N/A

CHANGELOG.md entry:

[palantirtech]

Thanks for your interest in palantir/tslint, @JBhagat841! Before we can accept your pull request, you need to sign our contributor license agreement - just visit https://cla.palantir.com/ and follow the instructions. Once you sign, I'll automatically update this pull request.

[JoshuaKGoldberg]

LGTM, thanks @JBhagat841! 🙌