eunomia-controller/source/meta/index.js

import React from 'react';
import Helmet from 'react-helmet';

// Boiler Plate Reduction for the i18n
module.exports = (config) => {
  const titleDefault  = `${(typeof config.title !== 'undefined') ? (typeof config.title.default !== 'undefined' ? config.title.default : '') : ''}`
  const titlePrefix   = `${(typeof config.title !== 'undefined') ? (typeof config.title.prefix !== 'undefined' ? config.title.prefix : '') : ''}`
  const titleSuffix   = `${(typeof config.title !== 'undefined') ? (typeof config.title.suffix !== 'undefined' ? config.title.suffix : '') : ''}`
  const author        = `${(typeof config.author !== 'undefined') ? config.author : ''}`

  return (
    <Helmet titleTemplate={`${titlePrefix}%s${titleSuffix}`} defaultTitle={titleDefault}>
      <meta name="author" content={author} />
    </Helmet>
  )
}