fix: respect errors and warnings from minimizer without code

[alexander-akait]

Summary

fix: respect errors and warnings from minimizer without code

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

❌ Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 96.68%. Comparing base (95e5fa1) to head (9ba5027).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/minify.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #293      +/-   ##
==========================================
+ Coverage   96.00%   96.68%   +0.68%     
==========================================
  Files           3        3              
  Lines         300      302       +2     
  Branches      120      122       +2     
==========================================
+ Hits          288      292       +4     
+ Misses         12       10       -2     

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