wire-yourself.js

// we will "cache" hello using the current language
// of course it will never change :P
let helloMessage = '';

export const sayHello = (inLng) => {
  if (!helloMessage) {
     helloMessage = require('hello-message-generator')(inLng);
  }
  return helloMessage
}

// ok, lets delete ourself from a cache, so a new customer will get this file
// WITHOUT cached `helloMessage`

// you know - only one of those commands works in a single point of time and space
delete require.cache[require.resolve(__filename)]; // wipe yourself from a nodejs cache
delete __webpack_require__.c[module.id];           // wipe yourself from a webpack cache