blog/themes/butterfly/layout/includes/third-party/newest-comments/github-issues.pug

script.
  window.addEventListener('load', () => {
    const changeContent = (content) => {
      if (content === '') return content

      content = content.replace(/<img.*?src="(.*?)"?[^\>]+>/ig, '[!{_p("aside.card_newest_comments.image")}]') // replace image link
      content = content.replace(/<a[^>]+?href=["']?([^"']+)["']?[^>]*>([^<]+)<\/a>/gi, '[!{_p("aside.card_newest_comments.link")}]') // replace url
      content = content.replace(/<pre><code>.*?<\/pre>/gi, '[!{_p("aside.card_newest_comments.code")}]') // replace code
      content = content.replace(/<[^>]+>/g,"") // remove html tag

      if (content.length > 150) {
        content = content.substring(0,150) + '...'
      }
      return content
    }

    const findTrueUrl = (array) => {
      Promise.all(array.map(item =>
        fetch(item.url).then(resp => resp.json()).then(data => {
          let urlArray = data.body ? data.body.match(/(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?/ig) : []
          if (!Array.isArray(urlArray) || urlArray.length === 0) {
            urlArray = [`${data.html_url}`]
          }
          if (data.user.login === 'utterances-bot') {
            return urlArray.pop()
          } else {
            return urlArray.shift()
          }
        })
      )).then(res => {
          array = array.map((i,index)=> {
            return {
              ...i,
              url: res[index]
            }
          })

          saveToLocal.set('github-newest-comments', JSON.stringify(array), !{theme.newest_comments.storage}/(60*24))
          generateHtml(array)
      });
    }

    const getComment = () => {
      fetch('https://api.github.com/repos/!{userRepo}/issues/comments?sort=updated&direction=desc&per_page=!{theme.newest_comments.limit}&page=1',{
        "headers": {
          Accept: 'application/vnd.github.v3.html+json'
        }
      })
        .then(response => response.json())
        .then(data => {
          const githubArray = data.map(item => {
            return {
              'avatar': item.user.avatar_url,
              'content': changeContent(item.body_html || item.body),
              'nick': item.user.login,
              'url': item.issue_url,
              'date': item.updated_at,
              'githubUrl': item.html_url
            }
          })
          findTrueUrl(githubArray)
        }).catch(e => {
          const $dom = document.querySelector('#card-newest-comments .aside-list')
          $dom.textContent= "!{_p('aside.card_newest_comments.error')}"
        })
    }

    const generateHtml = array => {
      let result = ''

      if (array.length) {
        for (let i = 0; i < array.length; i++) {
          result += '<div class=\'aside-list-item\'>'

          if (!{theme.newest_comments.avatar}) {
            const name = '!{theme.lazyload.enable ? "data-lazy-src" : "src"}'
            result += `<a href='${array[i].url}' class='thumbnail'><img ${name}='${array[i].avatar}' alt='${array[i].nick}'></a>`
          }

          result += `<div class='content'>
          <a class='comment' href='${array[i].url}' title='${array[i].content}'>${array[i].content}</a>
          <div class='name'><span>${array[i].nick} / </span><time datetime="${array[i].date}">${btf.diffDate(array[i].date, true)}</time></div>
          </div></div>`
        }
      } else {
        result += '!{_p("aside.card_newest_comments.zero")}'
      }

      let $dom = document.querySelector('#card-newest-comments .aside-list')
      $dom && ($dom.innerHTML= result)
      window.lazyLoadInstance && window.lazyLoadInstance.update()
      window.pjax && window.pjax.refresh($dom)
    }

    const newestCommentInit = () => {
      if (document.querySelector('#card-newest-comments .aside-list')) {
        const data = saveToLocal.get('github-newest-comments')
        if (data) {
          generateHtml(JSON.parse(data))
        } else {
          getComment()
        }
      }
    }

    newestCommentInit()
    document.addEventListener('pjax:complete', newestCommentInit)
  })