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 #571 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #571   +/-   ##
=======================================
  Coverage   88.55%   88.55%           
=======================================
  Files           5        5           
  Lines         428      428           
  Branches       96       97    +1     
=======================================
  Hits          379      379           
  Misses         47       47           
  Partials        2        2           

Impacted Files	Coverage Δ
src/index.js	87.85% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 25b0ecd...09c1de5. Read the comment docs.