feat(vuepress-theme-reco): add sub sidebar

Author: reco_luan

example/.vuepress/config.js

@@ -7,42 +7,38 @@ module.exports = {
     ['meta', { name: 'viewport', content: 'width=device-width,initial-scale=1,user-scalable=no' }]
   ],
   // theme: 'reco',
-  locales: {
-    '/': {
-      lang: 'ja-JP',
-      title: "vuepress-theme-reco",
-      description: 'A simple and beautiful vuepress blog theme.',
-    },
-  },
   theme: require.resolve('../../packages/vuepress-theme-reco'),
   themeConfig: {
-    locales: {
-      '/': {
-        recoLocales: {
-          pagation: {
-            prev: '上壹頁',
-            next: '下壹頁',
-            go: '前往',
-            jump: '跳轉至'
-          }
-        }
-      }
-    },
     nav: [
       { text: 'Home', link: '/', icon: 'reco-home' },
       { text: 'TimeLine', link: '/timeline/', icon: 'reco-date' },
-      { text: 'Contact',
-        icon: 'reco-message',
-        items: [
-          { text: 'NPM', link: 'https://www.npmjs.com/~reco_luan', icon: 'reco-npm' },
-          { text: 'GitHub', link: 'https://github.com/recoluan', icon: 'reco-github' },
-          { text: '简书', link: 'https://www.jianshu.com/u/cd674a19515e', icon: 'reco-jianshu' },
-          { text: 'CSDN', link: 'https://blog.csdn.net/recoluan', icon: 'reco-csdn' },
-          { text: '博客圆', link: 'https://www.cnblogs.com/luanhewei/', icon: 'reco-bokeyuan' },
-          { text: 'WeChat', link: 'https://mp.weixin.qq.com/s/mXFqeUTegdvPliXknAAG_A', icon: 'reco-wechat' },
-        ]
-      }
+      { text: 'sidebar', link: '/views/sidebar/' },
+      { text: 'sidebar', link: '/views/sidebargroup/' }
     ],
+    sidebar: {
+      '/views/sidebar/': [
+        '',
+        'bar1',
+        'bar2'
+      ],
+      '/views/sidebargroup/': [
+        {
+          title: '基础',
+          collapsable: true,
+          children: [
+            '',
+            'bar1'
+          ]
+        },
+        {
+          title: '进阶',
+          collapsable: true,
+          children: [
+            'bar2'
+          ]
+        },
+      ]
+    },
     type: 'blog',
     // 博客设置
     blogConfig: {
@@ -55,14 +51,14 @@ module.exports = {
         text: 'Tag' // 默认 “标签”
       }
     },
-    type: 'blog',
     logo: '/head.png',
     authorAvatar: '/head.png',
     // 搜索设置
     search: true,
     searchMaxSuggestions: 10,
     // 自动形成侧边导航
-    sidebar: 'auto',
+    // sidebar: 'auto',
+    sidebarDepth: 4,
     // 最后更新时间
     lastUpdated: 'Last Updated',
     // 作者

example/.vuepress/styles/palette.styl

@@ -1,2 +1,2 @@
 // $accentColor = #424242
-// $textColor = #232321
+// $textColor = #232321

example/views/category1/2019/092101.md

@@ -1,10 +1,69 @@
 ---
-title: second page in category1
+title: sidebar test
 date: 2019-09-21
+sidebarDepth: 5
 tags:
  - tag2
 categories:
  - category1
 ---
 
-second page in category1
+## 二级标题1
+
+### 三级标题1-1
+
+#### 四级标题1-1-1
+#### 四级标题1-1-2
+#### 四级标题1-1-3
+
+### 三体标题1-2
+
+#### 四级标题1-2-1
+#### 四级标题1-2-2
+#### 四级标题1-2-3
+
+### 三体标题1-3
+
+#### 四级标题1-3-1
+#### 四级标题1-3-2
+#### 四级标题1-3-3
+
+## 二级标题2
+
+### 三级标题2-1
+
+#### 四级标题2-1-1
+#### 四级标题2-1-2
+#### 四级标题2-1-3
+
+### 三体标题2-2
+
+#### 四级标题2-2-1
+#### 四级标题2-2-2
+#### 四级标题2-2-3
+
+### 三体标题2-3
+
+#### 四级标题2-3-1
+#### 四级标题2-3-2
+#### 四级标题2-3-3
+
+## 二级标题3
+
+### 三级标题3-1
+
+#### 四级标题3-1-1
+#### 四级标题3-1-2
+#### 四级标题3-1-3
+
+### 三体标题3-2
+
+#### 四级标题3-2-1
+#### 四级标题3-2-2
+#### 四级标题3-2-3
+
+### 三体标题3-3
+
+#### 四级标题3-3-1
+#### 四级标题3-3-2
+#### 四级标题3-3-3