add theme

themes/butterfly/layout/includes/third-party/comments/artalk.pug

@@ -0,0 +1,73 @@
+- const { server, site, option } = theme.artalk
+- const { use, lazyload } = theme.comments
+
+script.
+  (() => {
+    let artalkItem = null
+    const option = !{JSON.stringify(option)}
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+
+    const destroyArtalk = () => {
+      if (artalkItem) {
+        artalkItem.destroy()
+        artalkItem = null
+      }
+    }
+
+    const artalkChangeMode = theme => artalkItem && artalkItem.setDarkMode(theme === 'dark')
+
+    const initArtalk = (el = document, pageKey = location.pathname) => {
+      artalkItem = Artalk.init({
+        el: el.querySelector('#artalk-wrap'),
+        server: '!{server}',
+        site: '!{site}',
+        darkMode: document.documentElement.getAttribute('data-theme') === 'dark',
+        ...option,
+        pageKey: isShuoshuo ? pageKey : (option && option.pageKey) || pageKey
+      })
+
+      if (GLOBAL_CONFIG.lightbox === 'null') return
+      artalkItem.on('list-loaded', () => {
+        artalkItem.ctx.get('list').getCommentNodes().forEach(comment => {
+          const $content = comment.getRender().$content
+          btf.loadLightbox($content.querySelectorAll('img:not([atk-emoticon])'))
+        })
+      })
+
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyArtalk = () => {
+          destroyArtalk()
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      btf.addGlobalFn('pjaxSendOnce', destroyArtalk, 'destroyArtalk')
+      btf.addGlobalFn('themeChange', artalkChangeMode, 'artalk')
+    }
+
+    const loadArtalk = async (el, pageKey) => {
+      if (typeof Artalk === 'object') initArtalk(el, pageKey)
+      else {
+        await btf.getCSS('!{theme.asset.artalk_css}')
+        await btf.getScript('!{theme.asset.artalk_js}')
+        initArtalk(el, pageKey)
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Artalk'
+        ? window.shuoshuoComment = { loadComment: loadArtalk }
+        : window.loadOtherComment = loadArtalk
+      return
+    }
+
+    if ('!{use[0]}' === 'Artalk' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('artalk-wrap'), loadArtalk)
+      else setTimeout(loadArtalk, 100)
+    } else {
+      window.loadOtherComment = loadArtalk
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/disqus.pug

@@ -0,0 +1,80 @@
+- const disqusPageTitle = page.title.replace(/'/ig,"\\'")
+- const { shortname, apikey } = theme.disqus
+- const { use, lazyload, count } = theme.comments
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+
+    const disqusReset = conf => {
+      window.DISQUS && window.DISQUS.reset({
+        reload: true,
+        config: conf
+      })
+    }
+
+    const loadDisqus = (el, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyDisqus = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      window.disqus_identifier = isShuoshuo ? path : '!{ url_for(page.path) }'
+      window.disqus_url = isShuoshuo ? location.origin + path : '!{ page.permalink }'
+
+      const disqus_config = function () {
+        this.page.url = disqus_url
+        this.page.identifier = disqus_identifier
+        this.page.title = '!{ disqusPageTitle }'
+      }
+
+      if (window.DISQUS) disqusReset(disqus_config)
+      else {
+        const script = document.createElement('script')
+        script.src = 'https://!{shortname}.disqus.com/embed.js'
+        script.setAttribute('data-timestamp', +new Date())
+        document.head.appendChild(script)
+      }
+
+      btf.addGlobalFn('themeChange', () => disqusReset(disqus_config), 'disqus')
+    }
+
+    const getCount = async() => {
+      try {
+        const eleGroup = document.querySelector('#post-meta .disqus-comment-count')
+        if (!eleGroup) return
+        const cleanedLinks = eleGroup.href.replace(/#post-comment$/, '')
+
+        const res = await fetch(`https://disqus.com/api/3.0/threads/set.json?forum=!{shortname}&api_key=!{apikey}&thread:link=${cleanedLinks}`,{
+          method: 'GET'
+        })
+        const result = await res.json()
+
+        const count = result.response.length ? result.response[0].posts : 0
+        eleGroup.textContent = count
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Disqus'
+        ? window.shuoshuoComment = { loadComment: loadDisqus }
+        : window.loadOtherComment = loadDisqus
+      return
+    }
+
+    if ('!{use[0]}' === 'Disqus' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('disqus_thread'), loadDisqus)
+      else {
+        loadDisqus()
+        !{ count ? `GLOBAL_CONFIG_SITE.pageType === 'post' && getCount()` : '' }
+      }
+    } else {
+      window.loadOtherComment = loadDisqus
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/disqusjs.pug

@@ -0,0 +1,87 @@
+- let disqusjsPageTitle = page.title && page.title.replace(/'/ig,"\\'")
+- const { shortname:dqShortname, apikey:dqApikey, option:dqOption } = theme.disqusjs
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'== 'shuoshuo'
+    const dqOption = !{JSON.stringify(dqOption)}
+
+    const destroyDisqusjs = () => {
+      disqusjs.destroy()
+      window.disqusjs = null
+    }
+
+    const themeChange = (el, path) => {
+      destroyDisqusjs()
+      initDisqusjs(el, path)
+    }
+
+    const initDisqusjs = (el = document, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyDisqusjs = () => {
+          destroyDisqusjs()
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      disqusjs = new DisqusJS({
+        shortname: '!{dqShortname}',
+        title: '!{ disqusjsPageTitle }',
+        apikey: '!{dqApikey}',
+        ...dqOption,
+        identifier: isShuoshuo ? path : (dqOption && dqOption.identifier) || '!{ url_for(page.path) }',
+        url: isShuoshuo ? location.origin + path : (dqOption && dqOption.url) || '!{ page.permalink }'
+      })
+
+      disqusjs.render(el.querySelector('#disqusjs-wrap'))
+
+      btf.addGlobalFn('themeChange', () => themeChange(el, path), 'disqusjs')
+    }
+
+    const loadDisqusjs = async(el, path) => {
+      if (window.disqusJsLoad) initDisqusjs(el, path)
+      else {
+        await btf.getCSS('!{url_for(theme.asset.disqusjs_css)}')
+        await btf.getScript('!{url_for(theme.asset.disqusjs)}')
+        initDisqusjs(el, path)
+        window.disqusJsLoad = true
+      }
+    }
+
+    const getCount = async() => {
+      try {
+        const eleGroup = document.querySelector('#post-meta .disqusjs-comment-count')
+        if (!eleGroup) return
+        const cleanedLinks = eleGroup.href.replace(/#post-comment$/, '')
+
+        const res = await fetch(`https://disqus.com/api/3.0/threads/set.json?forum=!{dqShortname}&api_key=!{dqApikey}&thread:link=${cleanedLinks}`,{
+          method: 'GET'
+        })
+        const result = await res.json()
+        const count = result.response.length ? result.response[0].posts : 0
+        eleGroup.textContent = count
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{theme.comments.use[0]}' === 'Disqusjs'
+        ? window.shuoshuoComment = { loadComment: loadDisqusjs }
+        : window.loadOtherComment = loadDisqusjs
+      return
+    }
+
+    if ('!{theme.comments.use[0]}' === 'Disqusjs' || !!{theme.comments.lazyload}) {
+      if (!{theme.comments.lazyload}) btf.loadComment(document.getElementById('disqusjs-wrap'), loadDisqusjs)
+      else {
+        loadDisqusjs()
+        !{ theme.comments.count ? `GLOBAL_CONFIG_SITE.pageType === 'post' && getCount()` : '' }
+      }
+    } else {
+      window.loadOtherComment = loadDisqusjs
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/facebook_comments.pug

@@ -0,0 +1,64 @@
+- const fbSDKVer = 'v20.0'
+- const fbSDK = `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk.js#xfbml=1&version=${fbSDKVer}`
+
+script.
+  (()=>{
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'== 'shuoshuo'
+
+    const loadFBComment = (el = document, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyFB = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      document.getElementById('fb-root') ? '' : document.body.insertAdjacentHTML('afterend', '<div id="fb-root"></div>')
+
+      const themeNow = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light'
+      const $fbComment = el.getElementsByClassName('fb-comments')[0]
+      $fbComment.setAttribute('data-colorscheme',themeNow)
+      $fbComment.setAttribute('data-href', isShuoshuo ? '!{urlNoIndex(page.permalink)}' + '#' + path : '!{urlNoIndex(page.permalink)}')
+
+      if (typeof FB === 'object') {
+        FB.XFBML.parse(document.getElementsByClassName('post-meta-commentcount')[0])
+        FB.XFBML.parse(el.querySelector('#post-comment'))
+      }
+      else {
+        let ele = document.createElement('script')
+        ele.setAttribute('src','!{fbSDK}')
+        ele.setAttribute('async', 'true')
+        ele.setAttribute('defer', 'true')
+        ele.setAttribute('crossorigin', 'anonymous')
+        ele.setAttribute('id', 'facebook-jssdk')
+        document.getElementById('fb-root').insertAdjacentElement('afterbegin',ele)
+      }
+    }
+
+    const fbModeChange = theme => {
+      const $fbComment = document.getElementsByClassName('fb-comments')[0]
+      if ($fbComment && typeof FB === 'object') {
+        $fbComment.setAttribute('data-colorscheme',theme)
+        FB.XFBML.parse(document.getElementById('post-comment'))
+      }
+    }
+
+    btf.addGlobalFn('themeChange', fbModeChange, 'facebook_comments')
+
+    if (isShuoshuo) {
+      '!{theme.comments.use[0]}' === 'Facebook Comments'
+        ? window.shuoshuoComment = { loadComment: loadFBComment }
+        : window.loadOtherComment = loadFBComment
+      return
+    }
+
+    if ('!{theme.comments.use[0]}' === 'Facebook Comments' || !!{theme.comments.lazyload}) {
+      if (!{theme.comments.lazyload}) btf.loadComment(document.querySelector('#post-comment .fb-comments'), loadFBComment)
+      else loadFBComment()
+    } else {
+      window.loadOtherComment = loadFBComment
+    }
+  })()
+

themes/butterfly/layout/includes/third-party/comments/giscus.pug

@@ -0,0 +1,82 @@
+- const { use, lazyload } = theme.comments
+- const { repo, repo_id, category_id, light_theme, dark_theme, js, option } = theme.giscus
+- const giscusUrl = js || 'https://giscus.app/client.js'
+- const giscusOriginUrl = new URL(giscusUrl).origin
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+
+    const getGiscusTheme = theme => theme === 'dark' ? '!{dark_theme}' : '!{light_theme}'
+
+    const createScriptElement = config => {
+      const ele = document.createElement('script')
+      Object.entries(config).forEach(([key, value]) => {
+        ele.setAttribute(key, value)
+      })
+      return ele
+    }
+
+    const loadGiscus = (el = document, key) => {
+      const mappingConfig = isShuoshuo
+        ? { 'data-mapping': 'specific', 'data-term': key }
+        : { 'data-mapping': (option && option['data-mapping']) || 'pathname' }
+
+      const giscusConfig = {
+        src: '!{giscusUrl}',
+        'data-repo': '!{repo}',
+        'data-repo-id': '!{repo_id}',
+        'data-category-id': '!{category_id}',
+        'data-theme': getGiscusTheme(document.documentElement.getAttribute('data-theme')),
+        'data-reactions-enabled': '1',
+        crossorigin: 'anonymous',
+        async: true,
+        ...option,
+        ...mappingConfig
+      }
+
+      const scriptElement = createScriptElement(giscusConfig)
+
+      el.querySelector('#giscus-wrap').appendChild(scriptElement)
+
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyGiscus = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+    }
+
+    const changeGiscusTheme = theme => {
+      const iframe = document.querySelector('#giscus-wrap iframe')
+      if (iframe) {
+        const message = {
+          giscus: {
+            setConfig: {
+              theme: getGiscusTheme(theme)
+            }
+          }
+        }
+        iframe.contentWindow.postMessage(message, '!{giscusOriginUrl}')
+      }
+    }
+
+    btf.addGlobalFn('themeChange', changeGiscusTheme, 'giscus')
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Giscus'
+        ? window.shuoshuoComment = { loadComment: loadGiscus }
+        : window.loadOtherComment = loadGiscus
+      return
+    }
+
+    if ('!{use[0]}' === 'Giscus' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('giscus-wrap'), loadGiscus)
+      else loadGiscus()
+    } else {
+      window.loadOtherComment = loadGiscus
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/gitalk.pug

@@ -0,0 +1,64 @@
+- const { client_id, client_secret, repo, owner, admin, option } = theme.gitalk
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+
+    const commentCount = n => {
+      const isCommentCount = document.querySelector('#post-meta .gitalk-comment-count')
+      if (isCommentCount) {
+        isCommentCount.textContent= n
+      }
+    }
+
+    const initGitalk = (el, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyGitalk = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      const gitalk = new Gitalk({
+        clientID: '!{client_id}',
+        clientSecret: '!{client_secret}',
+        repo: '!{repo}',
+        owner: '!{owner}',
+        admin: ['!{admin}'],
+        updateCountCallback: commentCount,
+        ...option,
+        id: isShuoshuo ? path : (option && option.id) || '!{md5(page.path)}'
+      })
+
+      gitalk.render('gitalk-container')
+    }
+
+    const loadGitalk = async(el, path) => {
+      if (typeof Gitalk === 'function') initGitalk(el, path)
+      else {
+        await btf.getCSS('!{url_for(theme.asset.gitalk_css)}')
+        await btf.getScript('!{url_for(theme.asset.gitalk)}')
+        initGitalk(el, path)
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{theme.comments.use[0]}' === 'Gitalk'
+        ? window.shuoshuoComment = { loadComment: loadGitalk }
+        : window.loadOtherComment = loadGitalk
+      return
+    }
+
+    if ('!{theme.comments.use[0]}' === 'Gitalk' || !!{theme.comments.lazyload}) {
+      if (!{theme.comments.lazyload}) btf.loadComment(document.getElementById('gitalk-container'), loadGitalk)
+      else loadGitalk()
+    } else {
+      window.loadOtherComment = loadGitalk
+    }
+  })()
+
+
+

themes/butterfly/layout/includes/third-party/comments/index.pug

@@ -0,0 +1,46 @@
+- let defaultComment = theme.comments.use[0]
+hr.custom-hr
+#post-comment
+  .comment-head
+    .comment-headline
+      i.fas.fa-comments.fa-fw
+      span= ' ' + _p('comment')
+
+    if theme.comments.use.length > 1
+      .comment-switch
+        span.first-comment=defaultComment
+        span#switch-btn
+        span.second-comment=theme.comments.use[1]
+
+
+  .comment-wrap
+    each name in theme.comments.use
+      div
+        case name
+          when 'Disqus'
+            #disqus_thread
+          when 'Valine'
+            #vcomment.vcomment
+          when 'Disqusjs'
+            #disqusjs-wrap
+          when 'Livere'
+            #lv-container(data-id="city" data-uid=theme.livere.uid)
+          when 'Gitalk'
+            #gitalk-container
+          when 'Utterances'
+            #utterances-wrap
+          when 'Twikoo'
+            #twikoo-wrap
+          when 'Waline'
+            #waline-wrap
+          when 'Giscus'
+            #giscus-wrap
+          when 'Facebook Comments'
+            .fb-comments(data-colorscheme = theme.display_mode === 'dark' ? 'dark' : 'light'
+                        data-numposts= theme.facebook_comments.pageSize || 10
+                        data-order-by= theme.facebook_comments.order_by || 'social'
+                        data-width="100%")
+          when 'Remark42'
+            #remark42
+          when 'Artalk'
+            #artalk-wrap

themes/butterfly/layout/includes/third-party/comments/js.pug

@@ -0,0 +1,26 @@
+each name in theme.comments.use
+  case name
+    when 'Valine'
+      !=partial('includes/third-party/comments/valine', {}, {cache: true})
+    when 'Disqus'
+      include ./disqus.pug
+    when 'Disqusjs'
+      include ./disqusjs.pug
+    when 'Livere'
+      !=partial('includes/third-party/comments/livere', {}, {cache: true})
+    when 'Gitalk'
+      include ./gitalk.pug
+    when 'Utterances'
+      !=partial('includes/third-party/comments/utterances', {}, {cache: true})
+    when 'Twikoo'
+      !=partial('includes/third-party/comments/twikoo', {}, {cache: true})
+    when 'Waline'
+      !=partial('includes/third-party/comments/waline', {}, {cache: true})
+    when 'Giscus'
+      !=partial('includes/third-party/comments/giscus', {}, {cache: true})
+    when 'Facebook Comments'
+      include ./facebook_comments.pug
+    when 'Remark42'
+      !=partial('includes/third-party/comments/remark42', {}, {cache: true})
+    when 'Artalk'
+      !=partial('includes/third-party/comments/artalk', {}, {cache: true})

themes/butterfly/layout/includes/third-party/comments/livere.pug

@@ -0,0 +1,47 @@
+- const { use, lazyload } = theme.comments
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+
+    const loadLivere = (el, path) => {
+      window.livereOptions = {
+        refer: path || location.pathname
+      }
+
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyLivere = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      if (typeof LivereTower === 'object') window.LivereTower.init()
+      else {
+        (function(d, s) {
+            var j, e = d.getElementsByTagName(s)[0];
+            if (typeof LivereTower === 'function') { return; }
+            j = d.createElement(s);
+            j.src = 'https://cdn-city.livere.com/js/embed.dist.js';
+            j.async = true;
+            e.parentNode.insertBefore(j, e);
+        })(document, 'script');
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Livere'
+        ? window.shuoshuoComment = { loadComment: loadLivere }
+        : window.loadOtherComment = loadLivere
+      return
+    }
+
+    if ('!{use[0]}' === 'Livere' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('lv-container'), loadLivere)
+      else loadLivere()
+    } else {
+      window.loadOtherComment = loadLivere
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/remark42.pug

@@ -0,0 +1,78 @@
+- const { host, siteId, option } = theme.remark42
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const options = !{JSON.stringify(option)}
+
+    const loadScript = src => {
+      const script = document.createElement('script')
+      script.src = src
+      script.defer = true
+      document.head.appendChild(script)
+    }
+
+    const addRemark42 = () => loadScript('!{host}/web/embed.js')
+
+    const getCount = () => document.querySelector('.remark42__counter') && loadScript('!{host}/web/count.js')
+
+    const destroyRemark42 = () => window.remark42Instance && window.remark42Instance.destroy()
+
+    const initRemark42 = remark_config => {
+      if (window.REMARK42) {
+        destroyRemark42()
+        window.remark42Instance = window.REMARK42.createInstance({
+          ...remark_config
+        })
+      }
+    }
+
+    const loadRemark42 = (el, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyRemark42 = () => {
+          destroyRemark42()
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      window.remark_config = {
+        host: '!{host}',
+        site_id: '!{siteId}',
+        theme: document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light',
+        ...options,
+        url: isShuoshuo ? window.location.origin + path : (options && options.url) || window.location.origin + window.location.pathname
+      }
+
+      if (window.REMARK42) {
+        initRemark42(remark_config)
+        getCount()
+      } else {
+        addRemark42()
+        window.addEventListener('REMARK42::ready', () => {
+          initRemark42(remark_config)
+          getCount()
+        })
+      }
+    }
+
+    const remarkChangeMode = theme => window.REMARK42 && window.REMARK42.changeTheme(theme)
+
+    btf.addGlobalFn('themeChange', remarkChangeMode, 'remark42')
+
+    if (isShuoshuo) {
+      '!{theme.comments.use[0]}' === 'Remark42'
+        ? window.shuoshuoComment = { loadComment: loadRemark42 }
+        : window.loadOtherComment = loadRemark42
+      return
+    }
+
+    if ('!{theme.comments.use[0]}' === 'Remark42' || !!{theme.comments.lazyload}) {
+      if (!{theme.comments.lazyload}) btf.loadComment(document.getElementById('remark42'), loadRemark42)
+      else loadRemark42()
+    } else {
+      window.loadOtherComment = loadRemark42
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/twikoo.pug

@@ -0,0 +1,64 @@
+- const { envId, region, option } = theme.twikoo
+- const { use, lazyload, count } = theme.comments
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+
+    const getCount = () => {
+      const countELement = document.getElementById('twikoo-count')
+      if(!countELement) return
+      twikoo.getCommentsCount({
+        envId: '!{envId}',
+        region: '!{region}',
+        urls: [window.location.pathname],
+        includeReply: false
+      }).then(res => {
+        countELement.textContent = res[0].count
+      }).catch(err => {
+        console.error(err)
+      })
+    }
+
+    const init = (el = document, path = location.pathname) => {
+      twikoo.init({
+        el: el.querySelector('#twikoo-wrap'),
+        envId: '!{envId}',
+        region: '!{region}',
+        onCommentLoaded: () => {
+          btf.loadLightbox(document.querySelectorAll('#twikoo .tk-content img:not(.tk-owo-emotion)'))
+        },
+        ...option,
+        path: isShuoshuo ? path : (option && option.path) || path
+      })
+
+      !{count ? `GLOBAL_CONFIG_SITE.pageType === 'post' && getCount()` : ''}
+
+      isShuoshuo && (window.shuoshuoComment.destroyTwikoo = () => {
+        if (el.children.length) {
+          el.innerHTML = ''
+          el.classList.add('no-comment')
+        }
+      })
+    }
+
+    const loadTwikoo = (el, path) => {
+      if (typeof twikoo === 'object') setTimeout(() => init(el, path), 0)
+      else btf.getScript('!{url_for(theme.asset.twikoo)}').then(() => init(el, path))
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Twikoo'
+        ? window.shuoshuoComment = { loadComment: loadTwikoo }
+        : window.loadOtherComment = loadTwikoo
+      return
+    }
+
+    if ('!{use[0]}' === 'Twikoo' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('twikoo-wrap'), loadTwikoo)
+      else loadTwikoo()
+    } else {
+      window.loadOtherComment = loadTwikoo
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/utterances.pug

@@ -0,0 +1,63 @@
+- const { use, lazyload } = theme.comments
+- const { repo, issue_term, light_theme, dark_theme, js, option } = theme.utterances
+- const utterancesUrl = js || 'https://utteranc.es/client.js'
+- const utterancesOriginUrl = new URL(utterancesUrl).origin
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+    const getUtterancesTheme = theme => theme === 'dark' ? '#{dark_theme}' : '#{light_theme}'
+
+    const loadUtterances = (el = document, key) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyUtterances = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      const config = {
+        src: '!{utterancesUrl}',
+        repo: '!{repo}',
+        theme: getUtterancesTheme(document.documentElement.getAttribute('data-theme')),
+        crossorigin: 'anonymous',
+        async: true,
+        ...option,
+        'issue-term': isShuoshuo ? key : (option && option['issue-term']) || '!{issue_term}'
+      }
+
+      const ele = document.createElement('script')
+      Object.entries(config).forEach(([key, value]) => ele.setAttribute(key, value))
+      el.querySelector('#utterances-wrap').appendChild(ele)
+    }
+
+    const changeUtterancesTheme = theme => {
+      const iframe = document.querySelector('#utterances-wrap iframe')
+      if (iframe) {
+        const message = {
+          type: 'set-theme',
+          theme: getUtterancesTheme(theme)
+        };
+        iframe.contentWindow.postMessage(message, '!{utterancesOriginUrl}')
+      }
+    }
+
+    btf.addGlobalFn('themeChange', changeUtterancesTheme, 'utterances')
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Utterances'
+        ? window.shuoshuoComment = { loadComment: loadUtterances }
+        : window.loadOtherComment = loadUtterances
+      return
+    }
+    
+    if ('!{use[0]}' === 'Utterances' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('utterances-wrap'), loadUtterances)
+      else loadUtterances()
+    } else {
+      window.loadOtherComment = loadUtterances
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/valine.pug

@@ -0,0 +1,60 @@
+- const { use, lazyload } = theme.comments
+- const { appId, appKey, avatar, serverURLs, visitor, option } = theme.valine
+
+- let emojiMaps = '""'
+if site.data.valine
+  - emojiMaps = JSON.stringify(site.data.valine)
+
+script.
+  (() => {
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+
+    const initValine = (el, path) => {
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyValine = () => {
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+
+      const valineConfig = {
+        el: '#vcomment',
+        appId: '#{appId}',
+        appKey: '#{appKey}',
+        avatar: '#{avatar}',
+        serverURLs: '#{serverURLs}',
+        emojiMaps: !{emojiMaps},
+        visitor: #{visitor},
+        ...option,
+        path: isShuoshuo ? path : (option && option.path) || window.location.pathname
+      }
+
+      new Valine(valineConfig)
+    }
+
+    const loadValine = async (el, path) => {
+      if (typeof Valine === 'function') {
+        initValine(el, path)
+      } else {
+        await btf.getScript('!{url_for(theme.asset.valine)}')
+        initValine(el, path)
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Valine'
+        ? window.shuoshuoComment = { loadComment: loadValine }
+        : window.loadOtherComment = loadValine
+      return
+    }
+
+    if ('!{use[0]}' === 'Valine' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('vcomment'),loadValine)
+      else setTimeout(loadValine, 0)
+    } else {
+      window.loadOtherComment = loadValine
+    }
+  })()

themes/butterfly/layout/includes/third-party/comments/waline.pug

@@ -0,0 +1,61 @@
+- const { serverURL, option, pageview } = theme.waline
+- const { lazyload, count, use } = theme.comments
+
+script.
+  (() => {
+    let initFn = window.walineFn || null
+    const isShuoshuo = GLOBAL_CONFIG_SITE.pageType === 'shuoshuo'
+    const option = !{JSON.stringify(option)}
+
+    const destroyWaline = ele => ele.destroy()
+
+    const initWaline = (Fn, el = document, path = window.location.pathname) => {
+      const waline = Fn({
+        el: el.querySelector('#waline-wrap'),
+        serverURL: '!{serverURL}',
+        pageview: !{lazyload ? false : pageview},
+        dark: 'html[data-theme="dark"]',
+        comment: !{lazyload ? false : count},
+        ...option,
+        path: isShuoshuo ? path : (option && option.path) || path
+      })
+
+      if (isShuoshuo) {
+        window.shuoshuoComment.destroyWaline = () => {
+          destroyWaline(waline)
+          if (el.children.length) {
+            el.innerHTML = ''
+            el.classList.add('no-comment')
+          }
+        }
+      }
+    }
+
+    const loadWaline = (el, path) => {
+      if (initFn) initWaline(initFn, el, path)
+      else {
+        btf.getCSS('!{url_for(theme.asset.waline_css)}')
+          .then(() => import('!{url_for(theme.asset.waline_js)}'))
+          .then(({ init }) => {
+            initFn = init || Waline.init
+            initWaline(initFn, el, path)
+            window.walineFn = initFn
+          })
+      }
+    }
+
+    if (isShuoshuo) {
+      '!{use[0]}' === 'Waline'
+        ? window.shuoshuoComment = { loadComment: loadWaline } 
+        : window.loadOtherComment = loadWaline
+      return
+    }
+
+    if ('!{use[0]}' === 'Waline' || !!{lazyload}) {
+      if (!{lazyload}) btf.loadComment(document.getElementById('waline-wrap'),loadWaline)
+      else setTimeout(loadWaline, 0)
+    } else {
+      window.loadOtherComment = loadWaline
+    }
+  })()
+