fix: compatibility with webpack@5

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fix compatibility with webpack@5

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #522 into master will increase coverage by 0.01%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##           master     #522      +/-   ##
==========================================
+ Coverage   97.52%   97.53%   +0.01%     
==========================================
  Files           8        8              
  Lines         202      203       +1     
  Branches       55       56       +1     
==========================================
+ Hits          197      198       +1     
  Misses          5        5              

Impacted Files	Coverage Δ
src/postProcessPattern.js	90.90% <83.33%> (-0.21%)	⬇️
src/index.js	100.00% <100.00%> (ø)

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