Sorry, JavaScript is out of scope for this forum as it takes time to code.
But I can provide an example use of the module, which you can see here: Remove empty keys/variables from data - #8 by samliew
If you need further assistance,
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Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Investing some effort into the Make Academy will save you lots of time and frustration using Make.