fix: handle text with script in the script element

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fix #440

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #444 (9b5f5e0) into master (36cbff6) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #444      +/-   ##
==========================================
+ Coverage   92.16%   92.17%   +0.01%     
==========================================
  Files           7        7              
  Lines         587      588       +1     
  Branches      188      188              
==========================================
+ Hits          541      542       +1     
  Misses         37       37              
  Partials        9        9              

Impacted Files	Coverage Δ
src/utils.js	90.06% <100.00%> (+0.02%)	⬆️

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