refactor: code

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

improve code

Breaking Changes

No

Additional Info

readable

[codecov]

Codecov Report

Merging #784 (bd3fc9f) into master (a37713f) will decrease coverage by 0.01%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #784      +/-   ##
==========================================
- Coverage   92.12%   92.11%   -0.02%     
==========================================
  Files           6        6              
  Lines         711      710       -1     
  Branches      171      171              
==========================================
- Hits          655      654       -1     
  Misses         53       53              
  Partials        3        3              

Impacted Files	Coverage Δ
src/index.js	95.52% <83.33%> (-0.02%)	⬇️

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