(fix) fallback to empty string if there are no attributes

[dummdidumm]

Fixes #396

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Tests

• Run the tests with npm test or yarn test

[kaisermann]

🙏

[frederikhors]

There are many lint suggestions in this PR from Github.

[frederikhors]

[frederikhors]

[kaisermann]

@frederikhors Despite being in favour of both these rules (I put them in the project), the first is more of a nuisance and the second is just wrong for these respective cases. It's safe to ignore them 😁