(node:15416) [DEP0040] DeprecationWarning: The punycode module is deprecated. Please use a userland alternative instead.
(Use node --trace-deprecation ... to show where the warning was created)
See here the solution:
$ npm install module-alias
Then in your code:
const moduleAlias=require('module-alias')
moduleAlias.addAlias('punyCode', 'punyCode/')