feat: support data as Function

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fixes #510

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #648 into master will increase coverage by 0.04%.
The diff coverage is 100%.

@@           Coverage Diff            @@
##           master   #648      +/-   ##
========================================
+ Coverage   97.95%    98%   +0.04%     
========================================
  Files           6      6              
  Lines         147    150       +3     
========================================
+ Hits          144    147       +3     
  Misses          3      3

Impacted Files	Coverage Δ
lib/normalizeOptions.js	96.77% <100%> (+0.34%)	⬆️

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