loader-utils/lib/getCurrentRequest.js

'use strict';
function getCurrentRequest(loaderContext) {
  if (loaderContext.currentRequest) {
    return loaderContext.currentRequest;
  }
  const request = loaderContext.loaders
    .slice(loaderContext.loaderIndex)
    .map((obj) => obj.request)
    .concat([loaderContext.resource]);
  return request.join('!');
}
module.exports = getCurrentRequest;