fix: crash with ERR_REQUIRE_ESM error

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fixes #239

Breaking Changes

No

Additional Info

Same notes for jsdoc as in eslint-webpack-plugin

[codecov]

Codecov Report

Merging #240 (07d8066) into master (5d04a6d) will decrease coverage by 1.74%.
The diff coverage is 60.00%.

@@             Coverage Diff             @@
##            master     #240      +/-   ##
===========================================
- Coverage   100.00%   98.25%   -1.75%     
===========================================
  Files            8        8              
  Lines          219      229      +10     
  Branches        51       55       +4     
===========================================
+ Hits           219      225       +6     
- Misses           0        3       +3     
- Partials         0        1       +1     

Impacted Files	Coverage Δ
src/index.js	100.00% <ø> (ø)
src/linter.js	100.00% <ø> (ø)
src/utils.js	87.50% <60.00%> (-12.50%)	⬇️

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