Bug Report Checklist

• I have tried restarting my IDE and the issue persists.
• I have pulled the latest main branch of the repository.
• I have searched for related issues and found none that matched my issue.

Overview

I end up leaving these comments a lot on PRs. For each gap in coverage, at least one of the following is probably true:

• The code is reachable, so a unit test should exercise it
• The code can be refactored to not include that case
• This is a difficult-to-represent edge case in types and a type assertion is warranted

Additional Info

Oftentimes when I post these it's on a lint rule that needs more RuleTester testing. But I don't want the version on my blog to be specific to lint rules - that stuff is intimidating to many. I'll probably suggest an equivalent blog post on the typescript-eslint blog for specifically lint rules.

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