text: import polyfills from '@parcel/node-libs-browser';
  import {builtinModules} from 'module';
  
  const empty = require.resolve('./_empty.js');
  
  let builtins = Object.create(null);
  // use definite (current) list of Node builtins
  for (let key of builtinModules) {
    builtins[key] = empty;
  }
  // load the polyfill where available
  for (let key in polyfills) {
    builtins[key] = polyfills[key] || empty;
  }
  
  export default builtins;
  