refactor: code

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

Refactor code

Breaking Changes

No, but error message now is difference for node-sass and sass because it is difference implementation and have difference errors

Additional Info

No

[codecov]

Codecov Report

Merging #742 into next will increase coverage by 1.1%.
The diff coverage is 91.66%.

@@            Coverage Diff            @@
##             next     #742     +/-   ##
=========================================
+ Coverage   96.36%   97.46%   +1.1%     
=========================================
  Files           7        9      +2     
  Lines         165      158      -7     
  Branches       56       55      -1     
=========================================
- Hits          159      154      -5     
+ Misses          6        4      -2

Impacted Files	Coverage Δ
src/getRenderFunctionFromSassImplementation.js	100% <100%> (ø)
src/getSassOptions.js	100% <100%> (ø)	⬆️
src/SassError.js	100% <100%> (ø)
src/webpackImporter.js	100% <100%> (ø)	⬆️
src/index.js	100% <100%> (+5.79%)	⬆️
src/importsToResolve.js	100% <100%> (ø)	⬆️
src/getDefaultSassImplementation.js	55.55% <55.55%> (ø)

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