feat: 更新 lazyload 配置，支持原生 lazyload 功能

feat: 代碼優化
feat: 優化 pageType 邏輯
fix: 修復解密文章後， chartjs 沒有加載的 bug

layout/includes/head/Open_Graph.pug

@@ -2,7 +2,7 @@ if theme.Open_Graph_meta.enable
   -
     const coverVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
     let ogOption = Object.assign({
-      type: is_post() ? 'article' : 'website',
+      type: globalPageType === 'post' ? 'article' : 'website',
       image: coverVal ? full_url_for(coverVal) : '',
       fb_admins: theme.facebook_comments.user_id || '',
       fb_app_id: theme.facebook_comments.app_id || '',

layout/includes/head/analytics.pug

@@ -4,7 +4,7 @@ if theme.baidu_analytics
     (function() {
       var hm = document.createElement("script");
       hm.src = "https://hm.baidu.com/hm.js?!{theme.baidu_analytics}";
-      var s = document.getElementsByTagName("script")[0]; 
+      var s = document.getElementsByTagName("script")[0];
       s.parentNode.insertBefore(hm, s);
     })();
     btf.addGlobalFn('pjaxComplete', () => {

layout/includes/head/config.pug

@@ -116,7 +116,7 @@ script.
       buttonText: '!{_p("load_more")}'
     },
     isPhotoFigcaption: !{theme.photofigcaption},
-    islazyload: !{theme.lazyload.enable},
+    islazyloadPlugin: !{theme.lazyload.enable && !theme.lazyload.native},
     isAnchor: !{theme.anchor.auto_update || false},
     percent: {
       toc: !{theme.toc.scroll_percent},

layout/includes/head/config_site.pug

@@ -9,8 +9,8 @@
   var showToc = false
   if (theme.aside.enable && page.aside !== false) {
     let tocEnable = false
-    if (is_post() && theme.toc.post) tocEnable = true
-    else if (is_page() && theme.toc.page) tocEnable = true
+    if (globalPageType === 'post' && theme.toc.post) tocEnable = true
+    else if (globalPageType === 'page' && theme.toc.page) tocEnable = true
     const pageToc = typeof page.toc === 'boolean' ? page.toc : tocEnable
     showToc = pageToc && (toc(page.content) !== '' || page.encrypt === true)
   }
@@ -19,9 +19,7 @@
 script#config-diff.
   var GLOBAL_CONFIG_SITE = {
     title: '!{titleVal}',
-    isPost: !{is_post()},
-    isHome: !{is_home()},
     isHighlightShrink: !{isHighlightShrink},
     isToc: !{showToc},
-    isShuoshuo: !{page.type == 'shuoshuo'}
+    pageType: '!{page.type == 'shuoshuo' ? 'shuoshuo' : globalPageType}'
   }

layout/includes/head/preconnect.pug

@@ -10,7 +10,7 @@
 
 if internal_provider === third_party_provider && internal_provider !== 'local'
   link(rel="preconnect" href=providers[internal_provider])
-else 
+else
   if internal_provider !== 'local'
     link(rel="preconnect" href=providers[internal_provider])
   if third_party_provider !== 'local'