hexo/node_modules/hexo-theme-butterfly/layout/includes/third-party/comments/gitalk.pug

script.
  function loadGitalk () {
    function initGitalk () {
      var gitalk = new Gitalk(Object.assign({
        clientID: '!{theme.gitalk.client_id}',
        clientSecret: '!{theme.gitalk.client_secret}',
        repo: '!{theme.gitalk.repo}',
        owner: '!{theme.gitalk.owner}',
        admin: ['!{theme.gitalk.admin}'],
        id: '!{md5(page.path)}',
        updateCountCallback: commentCount
      },!{JSON.stringify(theme.gitalk.option)}))

      gitalk.render('gitalk-container')
    }

    if (typeof Gitalk === 'function') initGitalk()
    else {
      getCSS('!{url_for(theme.asset.gitalk_css)}')
      getScript('!{url_for(theme.asset.gitalk)}').then(initGitalk)
    }
  }
  
  function commentCount(n){
    let isCommentCount = document.querySelector('#post-meta .gitalk-comment-count')
    if (isCommentCount) {
      isCommentCount.textContent= n
    }
  }

  if ('!{theme.comments.use[0]}' === 'Gitalk' || !!{theme.comments.lazyload}) {
    if (!{theme.comments.lazyload}) btf.loadComment(document.getElementById('gitalk-container'), loadGitalk)
    else loadGitalk()
  } else {
    function loadOtherComment () {
      loadGitalk()
    }
  }