feat: 在綫聊天新增facebook洽談外掛程式 closed #918

feat: 添加artalk評論 closed #933
fix: 修復 開啟 archor 後， facebook評論加載不正確的 bug
fix: 修復 facebook 評論數無法加載的 bug

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

@@ -0,0 +1,20 @@
+- const { server, site } = theme.artalk
+
+script.
+  (() => {
+    const getArtalkCount = () => {
+      const runWidget = () => {
+        Artalk.LoadCountWidget({
+          server: '!{server}',
+          site: '!{site}',
+          countEl: '.artalk-count'
+        })
+      }
+
+      if (typeof Artalk === 'function') runWidget()
+      else getScript('!{theme.asset.artalk_js}').then(runWidget)
+    }
+
+
+    window.pjax ? getArtalkCount() : window.addEventListener('load', getArtalkCount)
+  })()

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

@@ -1,10 +1,13 @@
+- const fbSDKVer = 'v14.0'
+- const fbSDK = theme.messenger.enable ? `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk/xfbml.customerchat.js#xfbml=1&version=${fbSDKVer}` : `https://connect.facebook.net/${theme.facebook_comments.lang}/sdk.js#xfbml=1&version=${fbSDKVer}`
+
 script.
   (()=>{
     function loadFBComment () {
-      if (typeof FB === 'object') FB.XFBML.parse()
+      if (typeof FB === 'object') FB.XFBML.parse(document.getElementById('recent-posts'))
       else {
         let ele = document.createElement('script')
-        ele.setAttribute('src','https://connect.facebook.net/!{theme.facebook_comments.lang}/sdk.js#xfbml=1&version=v9.0')
+        ele.setAttribute('src','!{fbSDK}')
         ele.setAttribute('async', 'true')
         ele.setAttribute('defer', 'true')
         ele.setAttribute('crossorigin', 'anonymous')

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

@@ -11,4 +11,6 @@ case theme.comments.use[0]
   when 'Facebook Comments'
     include ./fb.pug
   when 'Remark42'
-    include ./remark42.pug
+    include ./remark42.pug
+  when 'Artalk'
+    include ./artalk.pug