text: const emailExtensions = require('./email-extensions.json')
  const emailDomainList = require('./email-domain-list.json')
  
  module.exports = {
    isOnDomainList: (userEmailDomain) => (emailDomainList.includes(userEmailDomain)),
  
    isOnExtensionsList: (userExtension) => emailExtensions.some((ext) => userExtension.endsWith(ext))
  }
  