Backport wabac changes

[benoit74]

Backport recent enhancements / fixes from wabac.js around JS rewriting

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (517143e) to head (7855070).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #265   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           41        41           
  Lines         2511      2511           
  Branches       339       339           
=========================================
  Hits          2511      2511           

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