const fetchGhContent = require('fetch-github-content')
fetchGhContent({
  owner: 'FujiHaruka',
  repo: 'fetch-github-content',
  path: 'package.json',
  token: 'xxx', // (Optional) Access token
  ref: 'xxx', // (Optional) The name of the commit/branch/tag
  json: true, // (Optional) if true, returns JSON.parse(content)
}).then(console.log)