text: export default ({ appString, js, styles, helmet }) => `
      <!doctype html>
      <html>
      <head>
          <meta charset="UTF-8"/>
          <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"/>
          <meta http-equiv="X-UA-Compatible" content="ie=edge"/>
          
          ${styles}
          
          ${helmet.title.toString()}
      </head>
      <body>
      
        <div id="root">${appString}</div>
        
        ${js}
        
      </body>
      </html>
  `;
  