feat: 自动隐藏文章目录/站点副标题为空时隐藏竖线 (#144)

* format code, hide post-toc when it's empty

* 当subtitle为空时去掉title后面的竖线

layouts/partials/head.html

@@ -8,8 +8,13 @@
     {{ end }}
 
     {{ if .IsHome -}}
+    {{ if .Site.Params.subtitle -}}
     <title>{{ .Site.Title }} | {{ .Site.Params.subtitle}}</title>
     <meta property="og:title" content="{{ .Site.Title }} | {{ .Site.Params.subtitle}}">
+    {{ else -}}
+    <title>{{ .Site.Title }}</title>
+    <meta property="og:title" content="{{ .Site.Title }}">
+    {{ end -}}
     <meta property="og:type" content="website">
     <meta name="Keywords" content="{{.Site.Params.keywords}}">
     <meta name="description" content="{{ .Site.Params.description }}">
@@ -53,4 +58,4 @@
     {{ range .Site.Params.customCSS }}
         <link rel="stylesheet" href='{{ "/css/" | relURL }}{{ . }}'>
     {{ end }}
-</head>
+</head>

layouts/partials/toc.html

@@ -71,8 +71,8 @@
         var postToc = $(".post-toc");
         if (postToc.length) {
             var leftPos = $("#main").offset().left;
-            if(leftPos<220){
-                postToc.css({"width":leftPos-10,"margin-left":(0-leftPos)})
+            if (leftPos < 220) {
+                postToc.css({ "width": leftPos - 10, "margin-left": (0 - leftPos) })
             }
 
             var t = postToc.offset().top - 20,
@@ -91,6 +91,10 @@
                 e < t ? postToc.css(a.start) : postToc.css(a.process)
             })
         }
+
+        if ($("#TableOfContents").children().length < 1) {
+            $(".post-toc").remove();
+        }
     })
 </script>
 {{- end }}