old_contents: export default (helmetData = {}) => ({
    title: helmetData.title && helmetData.title.toString(),
    meta: (helmetData.meta && helmetData.meta.toString()),
    link: helmetData.link && helmetData.link.toString(),
    script: helmetData.script && helmetData.script.toString(),
    style: helmetData.style && helmetData.style.toString()
  });
  
new_contents: export default (helmetData = {}) => ({
    title: helmetData.title && helmetData.title.toString(),
    meta: helmetData.meta && helmetData.meta.toString(),
    link: helmetData.link && helmetData.link.toString(),
    script: helmetData.script && helmetData.script.toString(),
    style: helmetData.style && helmetData.style.toString()
  });
  
subject: Remove braces