fix: check if contain results

[ricardogobbosouza]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Breaking Changes

Additional Info

[codecov]

Codecov Report

Merging #300 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master   #300   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           7      7           
  Lines         134    136    +2     
  Branches       28     29    +1     
=====================================
+ Hits          134    136    +2

Impacted Files	Coverage Δ
src/Linter.js	100% <100%> (ø)	⬆️

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[alexander-akait]

Need tests or add a comment to the code when and why this happens