add theme

themes/butterfly/layout/includes/third-party/abcjs/abcjs.pug

@@ -0,0 +1,46 @@
+script.
+  (() => {
+    const abcjsInit = () => {
+      const abcjsFn = () => {
+        setTimeout(() => {
+          const sheets = document.querySelectorAll(".abc-music-sheet")
+          for (let i = 0; i < sheets.length; i++) {
+            const ele = sheets[i]
+            if (ele.children.length > 0) continue
+
+            // Parse parameters from data-params attribute
+            let params = {}
+            const dp = ele.getAttribute("data-params")
+            if (dp) {
+              try {
+                params = JSON.parse(dp)
+              } catch (e) {
+                console.error("Failed to parse data-params:", e)
+              }
+            }
+
+            // Merge parsed parameters with the responsive option
+            // Ensures params content appears before responsive
+            const options = { ...params, responsive: "resize" }
+
+            // Render the music score using ABCJS.renderAbc
+            ABCJS.renderAbc(ele, ele.innerHTML, options)
+          }
+        }, 100)
+      }
+
+      if (typeof ABCJS === "object") {
+        abcjsFn()
+      } else {
+        btf.getScript("!{url_for(theme.asset.abcjs_basic_js)}").then(abcjsFn)
+      }
+    }
+
+    if (window.pjax) {
+      abcjsInit()
+    } else {
+      window.addEventListener("load", abcjsInit)
+    }
+
+    btf.addGlobalFn("encrypt", abcjsInit, "abcjs")
+  })()

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

@@ -0,0 +1,3 @@
+if theme.abcjs.enable
+  if theme.abcjs.per_page && (['post','page'].includes(globalPageType)) || page.abcjs
+    include ./abcjs.pug

themes/butterfly/layout/includes/third-party/aplayer.pug

@@ -0,0 +1,23 @@
+link(rel='stylesheet' href=url_for(theme.asset.aplayer_css) media="print" onload="this.media='all'")
+script(src=url_for(theme.asset.aplayer_js))
+script(src=url_for(theme.asset.meting_js))
+if theme.pjax.enable
+  script.
+    (() => {
+      const destroyAplayer = () => {
+        if (window.aplayers) {
+          for (let i = 0; i < window.aplayers.length; i++) {
+            if (!window.aplayers[i].options.fixed) {
+              window.aplayers[i].destroy()
+            }
+          }
+        }
+      }
+
+      const runMetingJS = () => {
+        typeof loadMeting === 'function' && document.getElementsByClassName('aplayer').length && loadMeting()
+      }
+
+      btf.addGlobalFn('pjaxSend', destroyAplayer, 'destroyAplayer')
+      btf.addGlobalFn('pjaxComplete', loadMeting, 'runMetingJS')
+    })()

themes/butterfly/layout/includes/third-party/card-post-count/artalk.pug

@@ -0,0 +1,31 @@
+- const { server, site } = theme.artalk
+
+script.
+  (() => {
+    const getArtalkCount = async() => {
+      try {
+        const eleGroup = document.querySelectorAll('#recent-posts .artalk-count')
+        const keyArray = Array.from(eleGroup).map(i => i.getAttribute('data-page-key'))
+
+        const headerList = {
+          method: 'GET',
+        }
+
+        const searchParams = new URLSearchParams({
+          'site_name': '!{site}',
+          'page_keys': keyArray
+        })
+
+        const res = await fetch(`!{server}/api/v2/stats/page_comment?${searchParams}`, headerList)
+        const result = await res.json()
+
+        keyArray.forEach((key, index) => {
+          eleGroup[index].textContent = result.data[key] || 0
+        })
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    window.pjax ? getArtalkCount() : window.addEventListener('load', getArtalkCount)
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/disqus.pug

@@ -0,0 +1,25 @@
+- const { shortname, apikey } = theme.disqus
+script.
+  (() => {
+    const getCount = async () => {
+      try {
+        const eleGroup = document.querySelectorAll('#recent-posts .disqus-count')
+        const cleanedLinks = Array.from(eleGroup).map(i => `thread:link=${i.href.replace(/#post-comment$/, '')}`);
+
+        const res = await fetch(`https://disqus.com/api/3.0/threads/set.json?forum=!{shortname}&api_key=!{apikey}&${cleanedLinks.join('&')}`,{
+          method: 'GET'
+        })
+        const result = await res.json()
+
+        eleGroup.forEach(i => {
+          const cleanedLink = i.href.replace(/#post-comment$/, '')
+          const urlData = result.response.find(data => data.link === cleanedLink) || { posts: 0 }
+          i.textContent = urlData.posts
+        })
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    window.pjax ? getCount() : window.addEventListener('load', getCount)
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/fb.pug

@@ -0,0 +1,18 @@
+- const fbSDKVer = 'v20.0'
+- const fbSDK = `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk.js#xfbml=1&version=${fbSDKVer}`
+
+script.
+  (()=>{
+    function loadFBComment () {
+      if (typeof FB === 'object') FB.XFBML.parse(document.getElementById('recent-posts'))
+      else {
+        let ele = document.createElement('script')
+        ele.setAttribute('src','!{fbSDK}')
+        ele.setAttribute('async', 'true')
+        ele.setAttribute('defer', 'true')
+        ele.setAttribute('crossorigin', 'anonymous')
+        document.body.appendChild(ele)
+      }
+    }
+    window.pjax ? loadFBComment() : window.addEventListener('load', loadFBComment)
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/index.pug

@@ -0,0 +1,16 @@
+case theme.comments.use[0]
+  when 'Twikoo'
+    include ./twikoo.pug
+  when 'Disqus'
+  when 'Disqusjs'
+    include ./disqus.pug
+  when 'Valine'
+    include ./valine.pug
+  when 'Waline'
+    include ./waline.pug
+  when 'Facebook Comments'
+    include ./fb.pug
+  when 'Remark42'
+    include ./remark42.pug
+  when 'Artalk'
+    include ./artalk.pug

themes/butterfly/layout/includes/third-party/card-post-count/remark42.pug

@@ -0,0 +1,18 @@
+- const { host, siteId, option } = theme.remark42
+
+script.
+  (()=>{
+    window.remark_config = Object.assign({
+      host: '!{host}',
+      site_id: '!{siteId}',
+    },!{JSON.stringify(option)})
+
+    function getCount () {
+      const s = document.createElement('script')
+      s.src = remark_config.host + '/web/counter.js'
+      s.defer = true
+      document.head.appendChild(s)
+    }
+
+    window.pjax ? getCount() : window.addEventListener('load', getCount)
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/twikoo.pug

@@ -0,0 +1,39 @@
+script.
+  (() => {
+    const getCommentUrl = () => {
+      const eleGroup = document.querySelectorAll('#recent-posts .article-title')
+      let urlArray = []
+      eleGroup.forEach(i=>{
+        urlArray.push(i.getAttribute('href'))
+      })
+      return urlArray
+    }
+
+    const getCount = () => {
+      const runTwikoo = () => {
+        twikoo.getCommentsCount({
+          envId: '!{theme.twikoo.envId}',
+          region: '!{theme.twikoo.region}',
+          urls: getCommentUrl(),
+          includeReply: false
+        }).then(function (res) {
+          document.querySelectorAll('#recent-posts .twikoo-count').forEach((item,index) => {
+            if (res[index]) {
+              item.textContent = res[index].count
+            }
+          })
+        }).catch(function (err) {
+          console.log(err)
+        })
+      }
+
+        if (typeof twikoo === 'object') {
+          runTwikoo()
+        } else {
+          btf.getScript('!{url_for(theme.asset.twikoo)}').then(runTwikoo)
+        }
+    }
+
+    window.pjax ? getCount() : window.addEventListener('load', getCount)
+
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/valine.pug

@@ -0,0 +1,20 @@
+script.
+  (() => {
+    function loadValine () {
+      function initValine () {
+        let initData = {
+          el: '#vcomment',
+          appId: '#{theme.valine.appId}',
+          appKey: '#{theme.valine.appKey}',
+          serverURLs: '#{theme.valine.serverURLs}'
+        }
+        
+        const valine = new Valine(initData)
+      }
+
+      if (typeof Valine === 'function') initValine() 
+      else btf.getScript('!{url_for(theme.asset.valine)}').then(initValine)
+    }
+
+    window.pjax ? loadValine() : window.addEventListener('load', loadValine)
+  })()

themes/butterfly/layout/includes/third-party/card-post-count/waline.pug

@@ -0,0 +1,21 @@
+- const serverURL = theme.waline.serverURL.replace(/\/$/, '')
+script.
+  (() => {
+    async function loadWaline () {
+      try {
+        const eleGroup = document.querySelectorAll('#recent-posts .waline-comment-count')
+        const keyArray = Array.from(eleGroup).map(i => i.getAttribute('data-path'))
+
+        const res = await fetch(`!{serverURL}/api/comment?type=count&url=${keyArray}`, { method: 'GET' })
+        const result = await res.json()
+        
+        result.data.forEach((count, index) => {
+          eleGroup[index].textContent = count
+        })
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    window.pjax ? loadWaline() : window.addEventListener('load', loadWaline)
+  })()

themes/butterfly/layout/includes/third-party/chat/chatra.pug

@@ -0,0 +1,38 @@
+//- https://chatra.io/help/api/
+script.
+  (() => {
+    window.ChatraID = '#{theme.chatra.id}'
+    window.Chatra = window.Chatra || function() {
+      (window.Chatra.q = window.Chatra.q || []).push(arguments)
+    }
+
+    btf.getScript('https://call.chatra.io/chatra.js').then(() => {
+      const isChatBtn = !{theme.chat.rightside_button}
+      const isChatHideShow = !{theme.chat.button_hide_show}
+
+      if (isChatBtn) {
+        const close = () => {
+          Chatra('minimizeWidget')
+          Chatra('hide')
+        }
+
+        const open = () => {
+          Chatra('openChat', true)
+          Chatra('show')
+        }
+
+        window.ChatraSetup = { startHidden: true }
+      
+        window.chatBtnFn = () => document.getElementById('chatra').classList.contains('chatra--expanded') ? close() : open()
+
+        document.getElementById('chat-btn').style.display = 'block'
+      } else if (isChatHideShow) {
+        window.chatBtn = {
+          hide: () => Chatra('hide'),
+          show: () => Chatra('show')
+        }
+      }
+    })
+  })()
+
+

themes/butterfly/layout/includes/third-party/chat/crisp.pug

@@ -0,0 +1,32 @@
+script.
+  (() => {
+    window.$crisp = ['safe', true]
+    window.CRISP_WEBSITE_ID = "!{theme.crisp.website_id}"
+
+    btf.getScript('https://client.crisp.chat/l.js').then(() => {
+      const isChatBtn = !{theme.chat.rightside_button}
+      const isChatHideShow = !{theme.chat.button_hide_show}
+
+      if (isChatBtn) {
+        const open = () => {
+          $crisp.push(["do", "chat:show"])
+          $crisp.push(["do", "chat:open"])
+        }
+
+        const close = () => $crisp.push(["do", "chat:hide"])
+
+        close()
+
+        $crisp.push(["on", "chat:closed", close])
+
+        window.chatBtnFn = () => $crisp.is("chat:visible") ? close() : open()
+
+        document.getElementById('chat-btn').style.display = 'block'
+      } else if (isChatHideShow) {
+        window.chatBtn = {
+          hide: () => $crisp.push(["do", "chat:hide"]),
+          show: () => $crisp.push(["do", "chat:show"])
+        }
+      }
+    })
+  })()

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

@@ -0,0 +1,7 @@
+case theme.chat.use
+  when 'chatra'
+    include ./chatra.pug
+  when 'tidio'
+    include ./tidio.pug
+  when 'crisp'
+    include ./crisp.pug

themes/butterfly/layout/includes/third-party/chat/tidio.pug

@@ -0,0 +1,45 @@
+script.
+  (() => {
+    btf.getScript('//code.tidio.co/!{theme.tidio.public_key}.js').then(() => {
+      const isChatBtn = !{theme.chat.rightside_button}
+      const isChatHideShow = !{theme.chat.button_hide_show}
+
+      if (isChatBtn) {
+        let isShow = false
+        const close = () => {
+          window.tidioChatApi.hide()
+          isShow = false
+        }
+        
+        const open = () => {
+          window.tidioChatApi.open()
+          window.tidioChatApi.show()
+          isShow = true
+        }
+
+        const onTidioChatApiReady = () => {
+          window.tidioChatApi.hide()
+          window.tidioChatApi.on("close", close)
+        }
+        if (window.tidioChatApi) {
+          window.tidioChatApi.on("ready", onTidioChatApiReady)
+        } else {
+          document.addEventListener("tidioChat-ready", onTidioChatApiReady)
+        }
+
+        window.chatBtnFn = () => {
+          if (!window.tidioChatApi) return
+          isShow ? close() : open()
+        }
+
+        document.getElementById('chat-btn').style.display = 'block'
+
+      } else if (isChatHideShow) {
+        window.chatBtn = {
+          hide: () => window.tidioChatApi && window.tidioChatApi.hide(),
+          show: () => window.tidioChatApi && window.tidioChatApi.show()
+        }
+      }
+    })
+  })()
+

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
+    }
+  })()
+

themes/butterfly/layout/includes/third-party/effect.pug

@@ -0,0 +1,35 @@
+if theme.fireworks && theme.fireworks.enable
+  canvas.fireworks(mobile=`${theme.fireworks.mobile}`)
+  script(src=url_for(theme.asset.fireworks))
+
+if (theme.canvas_ribbon && theme.canvas_ribbon.enable)
+  script(defer id="ribbon" src=url_for(theme.asset.canvas_ribbon) size=theme.canvas_ribbon.size
+  alpha=theme.canvas_ribbon.alpha zIndex=theme.canvas_ribbon.zIndex mobile=`${theme.canvas_ribbon.mobile}` data-click=`${theme.canvas_ribbon.click_to_change}`)
+
+if (theme.canvas_fluttering_ribbon && theme.canvas_fluttering_ribbon.enable)
+  script(defer id="fluttering_ribbon" mobile=`${theme.canvas_fluttering_ribbon.mobile}` src=url_for(theme.asset.canvas_fluttering_ribbon))
+
+if (theme.canvas_nest && theme.canvas_nest.enable)
+  script#canvas_nest(defer color=theme.canvas_nest.color opacity=theme.canvas_nest.opacity zIndex=theme.canvas_nest.zIndex count=theme.canvas_nest.count mobile=`${theme.canvas_nest.mobile}` src=url_for(theme.asset.canvas_nest))
+
+if theme.activate_power_mode.enable
+  script(src=url_for(theme.asset.activate_power_mode))
+  script.
+    POWERMODE.colorful = !{theme.activate_power_mode.colorful};
+    POWERMODE.shake = !{theme.activate_power_mode.shake};
+    POWERMODE.mobile = !{theme.activate_power_mode.mobile};
+    document.body.addEventListener('input', POWERMODE);
+
+//- 鼠標特效
+if theme.click_heart && theme.click_heart.enable
+  script#click-heart(src=url_for(theme.asset.click_heart) async mobile=`${theme.click_heart.mobile}`)
+
+if theme.clickShowText && theme.clickShowText.enable
+  script#click-show-text(
+    src= url_for(theme.asset.clickShowText)
+    data-mobile= `${theme.clickShowText.mobile}`
+    data-text= theme.clickShowText.text.join(",")
+    data-fontsize= theme.clickShowText.fontSize
+    data-random= `${theme.clickShowText.random}`
+    async
+  )

themes/butterfly/layout/includes/third-party/math/chartjs.pug

@@ -0,0 +1,91 @@
+- const { fontColor, borderColor, scale_ticks_backdropColor } = theme.chartjs
+
+script.
+  (() => {
+    const applyThemeDefaultsConfig = theme => {
+      if (theme === 'dark-mode') {
+        Chart.defaults.color = "!{fontColor.dark}"
+        Chart.defaults.borderColor = "!{borderColor.dark}"
+        Chart.defaults.scale.ticks.backdropColor = "!{scale_ticks_backdropColor.dark}"
+      } else {
+        Chart.defaults.color = "!{fontColor.light}"
+        Chart.defaults.borderColor = "!{borderColor.light}"
+        Chart.defaults.scale.ticks.backdropColor = "!{scale_ticks_backdropColor.light}"
+      }
+    }
+
+    // Recursively traverse the config object and automatically apply theme-specific color schemes
+    const applyThemeConfig = (obj, theme) => {
+      if (typeof obj !== 'object' || obj === null) return
+
+      Object.keys(obj).forEach(key => {
+        const value = obj[key]
+        // If the property is an object and has theme-specific options, apply them
+        if (typeof value === 'object' && value !== null) {
+          if (value[theme]) {
+            obj[key] = value[theme] // Apply the value for the current theme
+          } else {
+            // Recursively process child objects
+            applyThemeConfig(value, theme)
+          }
+        }
+      })
+    }
+
+    const runChartJS = ele => {
+      window.loadChartJS = true
+
+      Array.from(ele).forEach((item, index) => {
+        const chartSrc = item.firstElementChild
+        const chartID = item.getAttribute('data-chartjs-id') || ('chartjs-' + index) // Use custom ID or default ID
+        const width = item.getAttribute('data-width')
+        const existingCanvas = document.getElementById(chartID)
+
+        // If a canvas already exists, remove it to avoid rendering duplicates
+        if (existingCanvas) {
+            existingCanvas.parentNode.remove()
+        }
+
+        const chartDefinition = chartSrc.textContent
+        const canvas = document.createElement('canvas')
+        canvas.id = chartID
+
+        const div = document.createElement('div')
+        div.className = 'chartjs-wrap'
+
+        if (width) {
+          div.style.width = width
+        }
+
+        div.appendChild(canvas)
+        chartSrc.insertAdjacentElement('afterend', div)
+
+        const ctx = document.getElementById(chartID).getContext('2d')
+
+        const config = JSON.parse(chartDefinition)
+
+        const theme = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark-mode' : 'light-mode'
+
+        // Set default styles (initial setup)
+        applyThemeDefaultsConfig(theme)
+
+        // Automatically traverse the config and apply dual-mode color schemes
+        applyThemeConfig(config, theme)
+
+        new Chart(ctx, config)
+      })
+    }
+
+    const loadChartJS = () => {
+      const chartJSEle = document.querySelectorAll('#article-container .chartjs-container')
+      if (chartJSEle.length === 0) return
+
+      window.loadChartJS ? runChartJS(chartJSEle) : btf.getScript('!{url_for(theme.asset.chartjs)}').then(() => runChartJS(chartJSEle))
+    }
+
+    // Listen for theme change events
+    btf.addGlobalFn('themeChange', loadChartJS, 'chartjs')
+    btf.addGlobalFn('encrypt', loadChartJS, 'chartjs')
+
+    window.pjax ? loadChartJS() : document.addEventListener('DOMContentLoaded', loadChartJS)
+  })()

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

@@ -0,0 +1,14 @@
+case theme.math.use
+  when 'mathjax'
+    if (theme.math.per_page && (['post','page'].includes(globalPageType))) || page.mathjax
+      include ./mathjax.pug
+
+  when 'katex'
+    if (theme.math.per_page && (['post','page'].includes(globalPageType))) || page.katex
+      include ./katex.pug
+
+if theme.mermaid.enable
+  include ./mermaid.pug
+
+if theme.chartjs.enable
+  include ./chartjs.pug

themes/butterfly/layout/includes/third-party/math/katex.pug

@@ -0,0 +1,16 @@
+script.
+  (async () => {
+    const showKatex = () => {
+      document.querySelectorAll('#article-container .katex').forEach(el => el.classList.add('katex-show'))
+    }
+
+    if (!window.katex_js_css) {
+      window.katex_js_css = true
+      await btf.getCSS('!{url_for(theme.asset.katex)}')
+      if (!{theme.math.katex.copy_tex}) {
+        await btf.getScript('!{url_for(theme.asset.katex_copytex)}')
+      }
+    }
+
+    showKatex()
+  })()

themes/butterfly/layout/includes/third-party/math/mathjax.pug

@@ -0,0 +1,47 @@
+//- Mathjax 3
+- const { tags, enableMenu } = theme.math.mathjax
+script.
+  (() => {
+    const loadMathjax = () => {
+      if (!window.MathJax) {
+        window.MathJax = {
+          tex: {
+            inlineMath: [['$', '$'], ['\\(', '\\)']],
+            tags: '!{tags}',
+          },
+          chtml: {
+            scale: 1.1
+          },
+          options: {
+            enableMenu: !{enableMenu},
+            renderActions: {
+              findScript: [10, doc => {
+                for (const node of document.querySelectorAll('script[type^="math/tex"]')) {
+                  const display = !!node.type.match(/; *mode=display/)
+                  const math = new doc.options.MathItem(node.textContent, doc.inputJax[0], display)
+                  const text = document.createTextNode('')
+                  node.parentNode.replaceChild(text, node)
+                  math.start = {node: text, delim: '', n: 0}
+                  math.end = {node: text, delim: '', n: 0}
+                  doc.math.push(math)
+                }
+              }, '']
+            }
+          }
+        }
+
+        const script = document.createElement('script')
+        script.src = '!{url_for(theme.asset.mathjax)}'
+        script.id = 'MathJax-script'
+        script.async = true
+        document.head.appendChild(script)
+      } else {
+        MathJax.startup.document.state(0)
+        MathJax.texReset()
+        MathJax.typesetPromise()
+      }
+    }
+
+    btf.addGlobalFn('encrypt', loadMathjax, 'mathjax')
+    window.pjax ? loadMathjax() : window.addEventListener('load', loadMathjax)
+  })()

themes/butterfly/layout/includes/third-party/math/mermaid.pug

@@ -0,0 +1,51 @@
+script.
+  (() => {
+    const runMermaid = ele => {
+      window.loadMermaid = true
+      const theme = document.documentElement.getAttribute('data-theme') === 'dark' ? '!{theme.mermaid.theme.dark}' : '!{theme.mermaid.theme.light}'
+
+      ele.forEach((item, index) => {
+        const mermaidSrc = item.firstElementChild
+        const mermaidThemeConfig = `%%{init:{ 'theme':'${theme}'}}%%\n`
+        const mermaidID = `mermaid-${index}`
+        const mermaidDefinition = mermaidThemeConfig + mermaidSrc.textContent
+
+        const renderFn = mermaid.render(mermaidID, mermaidDefinition)
+        const renderMermaid = svg => {
+          mermaidSrc.insertAdjacentHTML('afterend', svg)
+        }
+
+        // mermaid v9 and v10 compatibility
+        typeof renderFn === 'string' ? renderMermaid(renderFn) : renderFn.then(({ svg }) => renderMermaid(svg))
+      })
+    }
+
+    const codeToMermaid = () => {
+      const codeMermaidEle = document.querySelectorAll('pre > code.mermaid')
+      if (codeMermaidEle.length === 0) return
+
+      codeMermaidEle.forEach(ele => {
+        const preEle = document.createElement('pre')
+        preEle.className = 'mermaid-src'
+        preEle.hidden = true
+        preEle.textContent = ele.textContent
+        const newEle = document.createElement('div')
+        newEle.className = 'mermaid-wrap'
+        newEle.appendChild(preEle)
+        ele.parentNode.replaceWith(newEle)
+      })
+    }
+
+    const loadMermaid = () => {
+      if (!{theme.mermaid.code_write}) codeToMermaid()
+      const $mermaid = document.querySelectorAll('#article-container .mermaid-wrap')
+      if ($mermaid.length === 0) return
+
+      const runMermaidFn = () => runMermaid($mermaid)
+      btf.addGlobalFn('themeChange', runMermaidFn, 'mermaid')
+      window.loadMermaid ? runMermaidFn() : btf.getScript('!{url_for(theme.asset.mermaid)}').then(runMermaidFn)
+    }
+
+    btf.addGlobalFn('encrypt', loadMermaid, 'mermaid')
+    window.pjax ? loadMermaid() : document.addEventListener('DOMContentLoaded', loadMermaid)
+  })()

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

@@ -0,0 +1,67 @@
+- const { server, site, option } = theme.artalk
+- const avatarCdn = (option !== null && option.gravatar && option.gravatar.mirror) || ''
+- const avatarDefault = (option !== null && option.gravatar && (option.gravatar.params || option.gravatar.default)) || ''
+
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'artalk-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getAvatarValue = async () => {
+      const predefinedAvatarCdn = '!{avatarCdn}'
+      const predefinedAvatarDefault = '!{avatarDefault}'
+
+      const avatarDefaultFormat = e => e.startsWith('d=') ? e : `d=${e}`
+
+      if (predefinedAvatarCdn && predefinedAvatarDefault) {
+        return { avatarCdn: predefinedAvatarCdn, avatarDefault: avatarDefaultFormat(predefinedAvatarDefault) }
+      }
+
+      try {
+        const res = await fetch('!{server}/api/v2/conf')
+        const result = await res.json()
+        const { mirror, params, default: defaults } = result.frontend_conf.gravatar
+        const avatarCdn = predefinedAvatarCdn || mirror
+        let avatarDefault = avatarDefaultFormat(predefinedAvatarDefault || params || defaults)
+        return { avatarCdn, avatarDefault}
+      } catch (e) {
+        console.error(e)
+        return { avatarCdn: predefinedAvatarCdn, avatarDefault: avatarDefaultFormat(predefinedAvatarDefault) }
+      }
+    }
+
+    const searchParams = new URLSearchParams({
+      'site_name': '!{site}',
+      'limit': '!{newestCommentsLimit * 2}', // Fetch more comments to filter pending comments
+    })
+
+    const getComment = async (ele) => {
+      try {
+        const res = await fetch(`!{server}/api/v2/stats/latest_comments?${searchParams}`)
+        const result = await res.json()
+        const { avatarCdn, avatarDefault } = await getAvatarValue()
+        const artalk = result.data
+          .filter(e => !e.is_pending) // Filter pending comments
+          .slice(0, !{newestCommentsLimit}) // Limit the number of comments
+          .map(e => {
+            const avatar = avatarCdn && e.email_encrypted ? `${avatarCdn}${e.email_encrypted}?${avatarDefault}` : ''
+            return {
+              'avatar': avatar,
+              'content': changeContent(e.content_marked),
+              'nick': e.nick,
+              'url': e.page_url,
+              'date': e.date,
+            }
+          })
+        btf.saveToLocal.set(keyName, JSON.stringify(artalk), !{theme.aside.card_newest_comments.storage}/(60*24))
+        generateHtml(artalk, ele)
+      } catch (e) {
+        console.log(e)
+        ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+      }
+    }
+
+    run(keyName, getComment)
+  })

themes/butterfly/layout/includes/third-party/newest-comments/common.pug

@@ -0,0 +1,61 @@
+script.
+  window.newestComments = {
+    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(/<code>.*?<\/code>/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
+    },
+
+    generateHtml: (array, ele) => {
+      let result = ''
+
+      if (array.length) {
+        for (let i = 0; i < array.length; i++) {
+          result += '<div class="aside-list-item">'
+
+          if (!{theme.aside.card_newest_comments.avatar} && array[i].avatar) {
+            const imgAttr = '!{theme.lazyload.enable && !theme.lazyload.native ? "data-lazy-src" : "src"}'
+            const lazyloadNative = '!{theme.lazyload.enable && theme.lazyload.native ? "loading=\"lazy\"" : ""}'
+            result += `<a href="${array[i].url}" class="thumbnail"><img ${imgAttr}="${array[i].avatar}" alt="${array[i].nick}" ${lazyloadNative}></a>`
+          }
+
+          result += `<div class="content">
+          <a class="comment" href="${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")}'
+      }
+
+      ele.innerHTML = result
+      window.lazyLoadInstance && window.lazyLoadInstance.update()
+      window.pjax && window.pjax.refresh(ele)
+    },
+
+    newestCommentInit: (name, getComment) => {
+      const $dom = document.querySelector('#card-newest-comments .aside-list')
+      if ($dom) {
+        const data = btf.saveToLocal.get(name)
+        if (data) {
+          newestComments.generateHtml(JSON.parse(data), $dom)
+        } else {
+          getComment($dom)
+        }
+      }
+    },
+
+    run: (name, getComment) => {
+      newestComments.newestCommentInit(name, getComment)
+      btf.addGlobalFn('pjaxComplete', () => newestComments.newestCommentInit(name, getComment), name)
+    }
+  }

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

@@ -0,0 +1,34 @@
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'disqus-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getComment = ele => {
+      fetch('https://disqus.com/api/3.0/forums/listPosts.json?forum=!{forum}&related=thread&limit=!{newestCommentsLimit}&api_key=!{apiKey}')
+        .then(response => response.json())
+        .then(data => {
+          const disqusArray = data.response.map(item => {
+            return {
+              'avatar': item.author.avatar.cache,
+              'content': changeContent(item.message),
+              'nick': item.author.name,
+              'url': item.url,
+              'date': item.createdAt
+            }
+          })
+
+          btf.saveToLocal.set(keyName, JSON.stringify(disqusArray), !{theme.aside.card_newest_comments.storage}/(60*24))
+          generateHtml(disqusArray, ele)
+        }).catch(e => {
+          console.error(e)
+          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+        })
+    }
+
+    run(keyName, getComment)
+  })
+
+
+

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

@@ -0,0 +1,62 @@
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'github-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const findTrueUrl = (array, ele) => {
+      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]
+            }
+          })
+
+          btf.saveToLocal.set(keyName, JSON.stringify(array), !{theme.aside.card_newest_comments.storage}/(60*24))
+          generateHtml(array, ele)
+      });
+    }
+
+    const getComment = ele => {
+      fetch('https://api.github.com/repos/!{userRepo}/issues/comments?sort=updated&direction=desc&per_page=!{newestCommentsLimit}&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
+            }
+          })
+          findTrueUrl(githubArray, ele)
+        }).catch(e => {
+          console.error(e)
+          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+        })
+    }
+    run(keyName, getComment)
+  })
+
+
+
+

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

@@ -0,0 +1,34 @@
+- let { use } = theme.comments
+
+if use
+  -
+    let forum,apiKey,userRepo
+    let { limit:newestCommentsLimit } = theme.aside.card_newest_comments
+    if (newestCommentsLimit > 10 || newestCommentsLimit < 1) newestCommentsLimit = 6
+
+  case use[0]
+    when 'Valine'
+      include ./valine.pug
+    when 'Waline'
+      include ./waline.pug
+    when 'Twikoo'
+      include ./twikoo-comment.pug
+    when 'Disqus'
+      - forum = theme.disqus.shortname
+      - apiKey = theme.disqus.apikey
+      include ./disqus-comment.pug
+    when 'Disqusjs'
+      - forum = theme.disqusjs.shortname
+      - apiKey = theme.disqusjs.apikey
+      include ./disqus-comment.pug
+    when 'Gitalk'
+      - let { repo,owner } = theme.gitalk
+      - userRepo = owner + '/' + repo
+      include ./github-issues.pug
+    when 'Utterances'
+      - userRepo = theme.utterances.repo
+      include ./github-issues.pug
+    when 'Remark42'
+      include ./remark42.pug
+    when 'Artalk'
+      include ./artalk.pug

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

@@ -0,0 +1,31 @@
+- const { host, siteId } = theme.remark42
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'remark42-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getComment = ele => {
+      fetch('!{host}/api/v1/last/!{newestCommentsLimit}?site=!{siteId}')
+        .then(response => response.json())
+        .then(data => {
+          const remark42 = data.map(e => {
+            return {
+              'avatar': e.user.picture,
+              'content': changeContent(e.text),
+              'nick': e.user.name,
+              'url': e.locator.url,
+              'date': e.time,
+            }
+          })
+          btf.saveToLocal.set(keyName, JSON.stringify(remark42), !{theme.aside.card_newest_comments.storage}/(60*24))
+          generateHtml(remark42, ele)
+        }).catch(e => {
+          console.error(e)
+          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+        })
+    }
+
+    run(keyName, getComment)
+  })

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

@@ -0,0 +1,45 @@
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'twikoo-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getComment = ele => {
+      const runTwikoo = () => {
+        twikoo.getRecentComments({
+          envId: '!{theme.twikoo.envId}',
+          region: '!{theme.twikoo.region}',
+          pageSize: !{newestCommentsLimit},
+          includeReply: true
+        }).then(res => {
+          const twikooArray = res.map(e => {
+            return {
+              'content': changeContent(e.comment),
+              'avatar': e.avatar,
+              'nick': e.nick,
+              'url': e.url + '#' + e.id,
+              'date': new Date(e.created).toISOString()
+            }
+          })
+
+          btf.saveToLocal.set(keyName, JSON.stringify(twikooArray), !{theme.aside.card_newest_comments.storage}/(60*24))
+          generateHtml(twikooArray, ele)
+        }).catch(err => {
+          console.error(err)
+          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+        })
+      }
+
+      if (typeof twikoo === 'object') {
+        runTwikoo()
+      } else {
+        btf.getScript('!{url_for(theme.asset.twikoo)}').then(runTwikoo)
+      }
+    }
+
+    run(keyName, getComment)
+  })
+
+
+

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

@@ -0,0 +1,51 @@
+- let default_avatar = theme.valine.avatar
+
+script(src=url_for(theme.asset.blueimp_md5))
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'valine-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getIcon = (icon, mail) => {
+      if (icon) return icon
+      let defaultIcon = '!{ default_avatar ? `?d=${default_avatar}` : ''}'
+      let iconUrl = `https://gravatar.loli.net/avatar/${md5(mail.toLowerCase()) + defaultIcon}`
+      return iconUrl
+    }
+
+    const getComment = ele => {
+      const serverURL = '!{theme.valine.serverURLs || `https://${theme.valine.appId.substring(0,8)}.api.lncldglobal.com` }'
+
+      var settings = {
+        "method": "GET",
+        "headers": {
+          "X-LC-Id": '!{theme.valine.appId}',
+          "X-LC-Key": '!{theme.valine.appKey}',
+          "Content-Type": "application/json"
+        },
+      }
+
+      fetch(`${serverURL}/1.1/classes/Comment?limit=!{newestCommentsLimit}&order=-createdAt`,settings)
+        .then(response => response.json())
+        .then(data => {
+          const valineArray = data.results.map(e => {
+            return {
+              'avatar': getIcon(e.QQAvatar, e.mail),
+              'content': changeContent(e.comment),
+              'nick': e.nick,
+              'url': e.url + '#' + e.objectId,
+              'date': e.updatedAt,
+            }
+          })
+          btf.saveToLocal.set(keyName, JSON.stringify(valineArray), !{theme.aside.card_newest_comments.storage}/(60*24))
+          generateHtml(valineArray, ele)
+        }).catch(e => {
+          console.error(e)
+          ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+        })
+    }
+
+    run(keyName, getComment)
+  })

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

@@ -0,0 +1,32 @@
+- const serverURL = theme.waline.serverURL.replace(/\/$/, '')
+
+!= partial("includes/third-party/newest-comments/common.pug", {}, { cache: true })
+
+script.
+  window.addEventListener('load', () => {
+    const keyName = 'waline-newest-comments'
+    const { changeContent, generateHtml, run } = window.newestComments
+
+    const getComment = async (ele) => {
+      try {
+        const res = await fetch('!{serverURL}/api/comment?type=recent&count=!{newestCommentsLimit}')
+        const result = await res.json()
+        const walineArray = result.data.map(e => {
+          return {
+            'content': changeContent(e.comment),
+            'avatar': e.avatar,
+            'nick': e.nick,
+            'url': e.url + '#' + e.objectId,
+            'date': e.time || e.insertedAt
+          }
+        })
+        btf.saveToLocal.set(keyName, JSON.stringify(walineArray), !{theme.aside.card_newest_comments.storage}/(60*24))
+        generateHtml(walineArray, ele)
+      } catch (err) {
+        console.error(err)
+        ele.textContent= "!{_p('aside.card_newest_comments.error')}"
+      }
+    }
+
+    run(keyName, getComment)
+  })

themes/butterfly/layout/includes/third-party/pjax.pug

@@ -0,0 +1,68 @@
+- var pjaxExclude = 'a:not([target="_blank"])'
+if theme.pjax.exclude
+  each val in theme.pjax.exclude
+    - pjaxExclude += `:not([href="${val}"])`
+
+- let pjaxSelectors = ['head > title', '#config-diff', '#body-wrap', '#rightside-config-hide', '#rightside-config-show', '.js-pjax']
+
+- let choose = theme.comments.use
+if choose
+  if choose.includes('Livere') || choose.includes('Utterances') || choose.includes('Giscus')
+    - pjaxSelectors.unshift('link[rel="canonical"]')
+    if theme.Open_Graph_meta.enable
+      - pjaxSelectors.unshift('meta[property="og:image"]', 'meta[property="og:title"]', 'meta[property="og:url"]', 'meta[property="og:description"]')
+    else
+      - pjaxSelectors.unshift('meta[name="description"]')
+
+script(src=url_for(theme.asset.pjax))
+script.
+  (() => {
+    const pjaxSelectors = !{JSON.stringify(pjaxSelectors)}
+
+    window.pjax = new Pjax({
+      elements: '!{pjaxExclude}',
+      selectors: pjaxSelectors,
+      cacheBust: false,
+      analytics: !{theme.google_analytics ? true : false},
+      scrollRestoration: false
+    })
+
+    const triggerPjaxFn = (val) => {
+      if (!val) return
+      Object.values(val).forEach(fn => fn())
+    }
+
+    document.addEventListener('pjax:send', () => {
+      // removeEventListener
+      btf.removeGlobalFnEvent('pjaxSendOnce')
+      btf.removeGlobalFnEvent('themeChange')
+
+      // reset readmode
+      const $bodyClassList = document.body.classList
+      if ($bodyClassList.contains('read-mode')) $bodyClassList.remove('read-mode')
+
+      triggerPjaxFn(window.globalFn.pjaxSend)
+    })
+
+    document.addEventListener('pjax:complete', () => {
+      btf.removeGlobalFnEvent('pjaxCompleteOnce')
+      document.querySelectorAll('script[data-pjax]').forEach(item => {
+        const newScript = document.createElement('script')
+        const content = item.text || item.textContent || item.innerHTML || ""
+        Array.from(item.attributes).forEach(attr => newScript.setAttribute(attr.name, attr.value))
+        newScript.appendChild(document.createTextNode(content))
+        item.parentNode.replaceChild(newScript, item)
+      })
+
+      triggerPjaxFn(window.globalFn.pjaxComplete)
+    })
+
+    document.addEventListener('pjax:error', e => {
+      if (e.request.status === 404) {
+        const usePjax = !{theme.pjax && theme.pjax.enable}
+        !{theme.error_404 && theme.error_404.enable}
+          ? (usePjax ? pjax.loadUrl('!{url_for("/404.html")}') : window.location.href = '!{url_for("/404.html")}')
+          : window.location.href = e.request.responseURL
+      }
+    })
+  })()

themes/butterfly/layout/includes/third-party/prismjs.pug

@@ -0,0 +1,23 @@
+- const { prismjs_js, prismjs_autoloader, prismjs_lineNumber_js } = theme.asset
+- const { prismjs, syntax_highlighter } = config
+- const { enable, preprocess, line_number } = prismjs
+
+if (syntax_highlighter === 'prismjs' || enable) && !preprocess
+  script.
+    (() => {
+      window.Prism = window.Prism || {}
+      window.Prism.manual = true
+
+      const highlightAll = () => {
+        window.Prism.highlightAll()
+      }
+
+      window.addEventListener('load', highlightAll)
+      btf.addGlobalFn('pjaxComplete', highlightAll, 'prismjs')
+      btf.addGlobalFn('encrypt', highlightAll, 'prismjs')
+    })()
+
+  script(src=url_for(prismjs_js))
+  script(src=url_for(prismjs_autoloader))
+  if (line_number)
+    script(src=url_for(prismjs_lineNumber_js))

themes/butterfly/layout/includes/third-party/search/algolia.pug

@@ -0,0 +1,22 @@
+#algolia-search
+  .search-dialog
+    nav.search-nav
+      span.search-dialog-title= _p('search.title')
+      button.search-close-button
+        i.fas.fa-times
+
+    .search-wrap
+      #algolia-search-input
+      hr
+      #algolia-search-results
+        #algolia-hits
+        #algolia-pagination
+        #algolia-info
+          .algolia-stats
+          .algolia-poweredBy
+
+  #search-mask
+
+  script(src=url_for(theme.asset.algolia_search))
+  script(src=url_for(theme.asset.instantsearch))
+  script(src=url_for(theme.asset.algolia_js))

themes/butterfly/layout/includes/third-party/search/docsearch.pug

@@ -0,0 +1,29 @@
+- const { placeholder, docsearch: { appId, apiKey, indexName, option } } = theme.search
+
+.docsearch-wrap
+  #docsearch(style="display:none")
+  link(rel="stylesheet" href=url_for(theme.asset.docsearch_css))
+  script(src=url_for(theme.asset.docsearch_js))
+  script.
+    (() => {
+      docsearch(Object.assign({
+        appId: '!{appId}',
+        apiKey: '!{apiKey}',
+        indexName: '!{indexName}',
+        container: '#docsearch',
+        placeholder: '!{ placeholder || _p("search.input_placeholder")}',
+      }, !{JSON.stringify(option)}))
+
+      const handleClick = () => {
+        document.querySelector('.DocSearch-Button').click()
+      }
+
+      const searchClickFn = () => {
+        btf.addEventListenerPjax(document.querySelector('#search-button > .search'), 'click', handleClick)
+      }
+
+      searchClickFn()
+      window.addEventListener('pjax:complete', searchClickFn)
+    })()
+
+

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

@@ -0,0 +1,7 @@
+case theme.search.use
+  when 'algolia_search'
+    include ./algolia.pug
+  when 'local_search'
+    include ./local-search.pug
+  when 'docsearch'
+    include ./docsearch.pug

themes/butterfly/layout/includes/third-party/search/local-search.pug

@@ -0,0 +1,22 @@
+#local-search
+  .search-dialog
+    nav.search-nav
+      span.search-dialog-title= _p('search.title')
+      span#loading-status
+      button.search-close-button
+        i.fas.fa-times
+
+    #loading-database.text-center
+      i.fas.fa-spinner.fa-pulse
+      span= '  ' + _p("search.load_data")
+
+    .search-wrap
+      #local-search-input
+        .local-search-box
+          input(placeholder=theme.search.placeholder || _p("search.input_placeholder") type="text").local-search-box--input
+      hr
+      #local-search-results
+      #local-search-stats-wrap
+  #search-mask
+
+  script(src=url_for(theme.asset.local_search))

themes/butterfly/layout/includes/third-party/share/addtoany.pug

@@ -0,0 +1,10 @@
+.addtoany
+  .a2a_kit.a2a_kit_size_32.a2a_default_style
+    - let addtoanyItem = theme.share.addtoany.item.split(',')
+    each name in addtoanyItem
+      a(class="a2a_button_" + name)
+
+    a.a2a_dd(href="https://www.addtoany.com/share")
+script(async src='https://static.addtoany.com/menu/page.js')
+
+

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

@@ -0,0 +1,9 @@
+- const { use } = theme.share
+
+if use
+  .post-share
+    case use
+      when 'addtoany'
+        !=partial('includes/third-party/share/addtoany', {}, {cache: true})
+      when 'sharejs'
+        include ./share-js.pug

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

@@ -0,0 +1,4 @@
+- const coverVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
+.social-share(data-image=url_for(coverVal) data-sites= theme.share.sharejs.sites)
+link(rel='stylesheet' href=url_for(theme.asset.sharejs_css) media="print" onload="this.media='all'")
+script(src=url_for(theme.asset.sharejs) defer)

themes/butterfly/layout/includes/third-party/subtitle.pug

@@ -0,0 +1,113 @@
+- const { effect, source, sub, typed_option } = theme.subtitle
+- let subContent = sub || new Array()
+
+script.
+  window.typedJSFn = {
+    init: str => {
+      window.typed = new Typed('#subtitle', Object.assign({
+        strings: str,
+        startDelay: 300,
+        typeSpeed: 150,
+        loop: true,
+        backSpeed: 50,
+      }, !{JSON.stringify(typed_option)}))
+    },
+    run: subtitleType => {
+      if (!{effect}) {
+        if (typeof Typed === 'function') {
+          subtitleType()
+        } else {
+          btf.getScript('!{url_for(theme.asset.typed)}').then(subtitleType)
+        }
+      } else {
+        subtitleType()
+      }
+    },
+    processSubtitle: (content, extraContents = []) => {
+      if (!{effect}) {
+        const sub = !{JSON.stringify(subContent)}.slice()
+
+        if (extraContents.length > 0) {
+          sub.unshift(...extraContents)
+        }
+
+        if (typeof content === 'string') {
+          sub.unshift(content)
+        } else if (Array.isArray(content)) {
+          sub.unshift(...content)
+        }
+
+        sub.length > 0 && typedJSFn.init(sub)
+      } else {
+        document.getElementById('subtitle').textContent = typeof content === 'string' ? content :
+          (Array.isArray(content) && content.length > 0 ? content[0] : '')
+      }
+    }
+  }
+  btf.addGlobalFn('pjaxSendOnce', () => { typed.destroy() }, 'typedDestroy')
+
+case source
+  when 1
+    script.
+      function subtitleType () {
+        fetch('https://v1.hitokoto.cn')
+          .then(response => response.json())
+          .then(data => {
+            const from = '出自 ' + data.from
+            typedJSFn.processSubtitle(data.hitokoto, [from])
+          })
+          .catch(err => {
+            console.error('Failed to get the Hitokoto API:', err)
+            typedJSFn.processSubtitle(!{JSON.stringify(subContent)})
+          })
+      }
+      typedJSFn.run(subtitleType)
+
+  when 2
+    script.
+      function subtitleType () {
+        fetch('https://v.api.aa1.cn/api/yiyan/index.php')
+          .then(response => response.text())
+          .then(data => {
+            const reg = /<p>(.*?)<\/p>/g
+            const result = reg.exec(data)
+            if (result && result[1]) {
+              typedJSFn.processSubtitle(result[1])
+            } else {
+              throw new Error('Failed to parse the return value of the Yiyan API')
+            }
+          })
+          .catch(err => {
+            console.error('Failed to get the Yiyan API:', err)
+            typedJSFn.processSubtitle(!{JSON.stringify(subContent.length)})
+          })
+      }
+      typedJSFn.run(subtitleType)
+
+  when 3
+    script.
+      function subtitleType () {
+        btf.getScript('https://sdk.jinrishici.com/v2/browser/jinrishici.js')
+          .then(() => {
+            jinrishici.load(result => {
+              if (result && result.data && result.data.content) {
+                typedJSFn.processSubtitle(result.data.content)
+              } else {
+                throw new Error('Failed to parse the return value of Jinrishici API')
+              }
+            })
+          })
+          .catch(err => {
+            console.error('Failed to get the Jinrishici API:', err)
+            typedJSFn.processSubtitle(!{JSON.stringify(subContent.length)})
+          })
+      }
+      typedJSFn.run(subtitleType)
+
+  default
+    if subContent.length > 0
+      script.
+        function subtitleType () {
+          typedJSFn.processSubtitle(!{JSON.stringify(subContent)})
+        }
+        typedJSFn.run(subtitleType)

themes/butterfly/layout/includes/third-party/umami_analytics.pug

@@ -0,0 +1,65 @@
+- let { serverURL, website_id, option, UV_PV } = theme.umami_analytics
+- const isServerURL = !!serverURL
+- const baseURL = serverURL ? serverURL.replace(/\/$/, '') : 'https://cloud.umami.is'
+- const apiUrl = serverURL ? serverURL.replace(/\/$/, '') + '/api' : 'https://api.umami.is/v1'
+
+script.
+  (() => {
+    const option = !{JSON.stringify(option)}
+    const config = !{JSON.stringify(UV_PV)}
+
+    const runTrack = () => {
+      umami.track(props => ({ ...props, url: window.location.pathname, title: GLOBAL_CONFIG_SITE.title }))
+    }
+
+    const loadUmamiJS = () => {
+      btf.getScript('!{baseURL}/script.js', {
+        'data-website-id': '!{website_id}',
+        'data-auto-track': 'false',
+        ...option
+      }).then(runTrack)
+    }
+
+    const getData = async (isPost) => {
+      const now = Date.now()
+      const keyUrl = isPost ? `&url=${window.location.pathname}` : ''
+      const headerList = { 'Accept': 'application/json' }
+      if (!{isServerURL}) headerList['Authorization'] = `Bearer ${config.token}`
+      else headerList['x-umami-api-key'] = config.token
+      const res = await fetch(`!{apiUrl}/websites/!{website_id}/stats?startAt=0000000000&endAt=${now}${keyUrl}`, {
+        method: "GET",
+        headers: headerList
+      })
+      return await res.json()
+    }
+
+    const insertData = async () => {
+      try {
+        if (GLOBAL_CONFIG_SITE.pageType === 'post' && config.page_pv) {
+          const pagePV = document.getElementById('umamiPV')
+          if (pagePV) {
+            const data = await getData(true)
+            pagePV.textContent = data.pageviews.value
+          }
+        } else {
+          const data = (config.site_uv || config.site_pv) && await getData()
+          if (config.site_uv) {
+            const siteUV = document.getElementById('umami-site-uv')
+            if (siteUV) siteUV.textContent = data.visitors.value
+          }
+          if (config.site_pv) {
+            const sitePV = document.getElementById('umami-site-pv')
+            if (sitePV) sitePV.textContent = data.pageviews.value
+          }
+        }
+      } catch (e) {
+        console.error('Failed to load Umami Analytics:', e)
+      }
+    }
+
+    btf.addGlobalFn('pjaxComplete', runTrack, 'umami_analytics_run_track')
+    btf.addGlobalFn('pjaxComplete', insertData, 'umami_analytics_insert')
+
+    loadUmamiJS()
+    insertData()
+  })()