fix: respect the localIdentRegExp option

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fixes #1346

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #1349 (173ba65) into master (9560168) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1349      +/-   ##
==========================================
+ Coverage   98.35%   98.36%   +0.01%     
==========================================
  Files          11       11              
  Lines         975      981       +6     
  Branches      325      327       +2     
==========================================
+ Hits          959      965       +6     
  Misses         13       13              
  Partials        3        3              

Impacted Files	Coverage Δ
src/utils.js	97.61% <100.00%> (+0.02%)	⬆️

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