requiredParam.js - https://medium.freecodecamp.org/elegant-patterns-in-modern-javascript-roro-be01e7669cbd

requiredParam.js

function requiredParam (param) {
  const requiredParamError = new Error(
   `Required parameter, "${param}" is missing.`
  )

  // preserve original stack trace
  if (typeof Error.captureStackTrace === 'function') {
    Error.captureStackTrace(
      requiredParamError, 
      requiredParam
    )
  }

  throw requiredParamError
}

function doit({ rawr=requiredParam('rawr'), foo=requiredParam()}) { return 'yep' }