fix: handle empty files

[alexander-akait]

Summary

handle empty files

What kind of change does this PR introduce?

bugfix

Did you add tests for your changes?

Yes

Does this PR introduce a breaking change?

No

If relevant, what needs to be documented once your changes are merged or what have you already documented?

Nothing

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.29%. Comparing base (e1cdad5) to head (e307113).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #295      +/-   ##
==========================================
+ Coverage   96.68%   97.29%   +0.60%     
==========================================
  Files           3        3              
  Lines         302      296       -6     
  Branches      121      118       -3     
==========================================
- Hits          292      288       -4     
+ Misses         10        8       -2     

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