feat: 適配 hexo 5.0.0 的 prismjs, 代碼主題和各項功能

refactor: 移除 代碼default主題
fix: 修復夜間模式下代碼塊有背景的bugs（沒開啟渲染的情況下）
feat: 增加 code font-size配置 close #322
refactor: 更改配置中 code-font 為 code-font-family
feat: Pjax下，刷新頁面時，會滾動到上次瀏覽的位置
fix: 修復mathjax溢出屏幕的Bugs close #321

layout/includes/additional-js.pug

@@ -46,6 +46,8 @@ div
 
   !=fragment_cache('injectBottom', function(){return injectHtml(theme.inject.bottom)})
 
+  !=partial('includes/third-party/prismjs', {}, {cache:theme.fragment_cache})
+
   !=partial('includes/third-party/effect', {}, {cache:theme.fragment_cache})
 
   !=partial('includes/third-party/chat/index', {}, {cache:theme.fragment_cache})

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

@@ -28,7 +28,15 @@ script.
               math.end = {node: text, delim: '', n: 0}
               doc.math.push(math)
             }
-          }, '']
+          }, ''],
+          addClass: [200,() => {
+            document.querySelectorAll('mjx-container:not([display=\'true\']').forEach( node => {
+              const target = node.parentNode
+              if (!target.classList.contains('has-jax')) {
+                target.classList.add('mathjax-overflow')
+              }
+            })
+          }, '', false]
         }
       }
     }

layout/includes/third-party/pjax.pug

@@ -23,6 +23,8 @@ script.
     elements: '!{pjaxExclude}',
     selectors: pjaxSelectors,
     cacheBust: false,
+    analytics: !{theme.google_analytics ? true : false},
+    scrollRestoration: false
   })
 
   document.addEventListener('pjax:complete', function () {
@@ -47,6 +49,9 @@ script.
     if (!{theme.tencent_analytics ? true : false}) {
       MtaH5.pgv()
     }
+
+    // prismjs
+    typeof Prism === 'object' && Prism.highlightAll()
   })
 
 
@@ -65,5 +70,6 @@ script.
 
     //reset readmode
     $('body').hasClass('read-mode') && $('body').removeClass('read-mode')
+
   })
 

layout/includes/third-party/prismjs.pug

@@ -0,0 +1,5 @@
+if config.prismjs && config.prismjs.enable && !config.prismjs.preprocess
+  script(src=url_for(theme.CDN.prismjs_js))
+  script(src=url_for(theme.CDN.prismjs_autoloader))
+  if config.prismjs.line_number
+    script(src=url_for(theme.CDN.prismjs_lineNumber_js))