code: function status () {
    return fetch(`${STATUS_API}/check`, {
      headers: {
        'user-agent': USER_AGENT,
        'accept': 'application/json'
      }
    })
      .then(handleErrors) // NOTE I wonder how /check can fail
      .then(res => res.json())
      .then((sites) => sites.reduce((acc, val) => {
        const hostname = Object.keys(val)[0]
        acc.push({
          hostname,
          color: val[hostname],
          isAvailable: val[hostname] === 'green' || val[hostname] === 'yellow',
          hasIssues: val[hostname] === 'yellow' || val[hostname] === 'red'
        })
        return acc
      }, []))
  }
docs: Returns status of various Mojang services in a more helpful format.
  
  @returns {Promise<Array>} resolves a list like `[{hostname, color, isAvailable, hasIssues}]`
  @see {@link http://wiki.vg/Mojang_API#API_Status}