Move some logic from generate_jsonmap to utils so it can be used else…

[OCopping]

…where

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.05%. Comparing base (a0932ec) to head (da5b7d6).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #269      +/-   ##
==========================================
+ Coverage   96.04%   96.05%   +0.01%     
==========================================
  Files          13       13              
  Lines         986      989       +3     
==========================================
+ Hits          947      950       +3     
  Misses         39       39              

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