text: const fse = require('fs-extra');
  
  const requiredDirs = ['./build', './build-bookmarklet', './build-browserext', './webstore-zips'];
  
  for (let x = 0; x < requiredDirs.length; x++) {
      if (!fse.existsSync(requiredDirs[x])) {
          fse.mkdirSync(requiredDirs[x]);
      }
  }
  