My theory is that it's pretty feasible to create a new language which is a subset of Perl5 or Perl6 and creates acceptable JS.

Have you considered helping Pawel Murias, Jimmy Zhuo, Reini Urban, Zaki Mughal, Tokuhiro Matsuno et al progress the JS backend for NQP? Note that while that project's main goal is to compile Rakudo Perl 6 to JS (which is why the repo is called rakudo-js), the interim goal is to compile the much simpler NQP to JS and (based on comments by pmurias) the project is quite close to achieving this lesser goal.

Achieving this lesser goal would mean a few things potentially relevant to your quest:


In reply to Re^4: sourcefilter with complete parser? by raiph
in thread sourcefilter with complete parser? by LanX

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