[new feature] add IndexBar component

docs/markdown/v2-progress-tracking.md

@@ -52,7 +52,8 @@
 ## 新特性
 
 - 新增`Skeleton`骨架屏组件
-- 新增`DropdownMenu`下拉菜单组件
+- 新增`IndexBar`、`IndexAnchor`索引栏组件
+- 新增`DropdownMenu`、`DropdownItem`下拉菜单组件
 
 ### ActionSheet
 

docs/src/WapApp.vue

@@ -75,6 +75,11 @@ body {
   -webkit-font-smoothing: antialiased;
 }
 
+::-webkit-scrollbar {
+  width: 0;
+  background: transparent;
+}
+
 .van-doc-nav-bar {
   height: 56px;
   line-height: 56px;

docs/src/demo-entry.js

@@ -23,6 +23,7 @@ export default {
   'goods-action': () => wrapper(import('../../packages/goods-action/demo'), 'goods-action'),
   'icon': () => wrapper(import('../../packages/icon/demo'), 'icon'),
   'image-preview': () => wrapper(import('../../packages/image-preview/demo'), 'image-preview'),
+  'index-bar': () => wrapper(import('../../packages/index-bar/demo'), 'index-bar'),
   'lazyload': () => wrapper(import('../../packages/lazyload/demo'), 'lazyload'),
   'list': () => wrapper(import('../../packages/list/demo'), 'list'),
   'loading': () => wrapper(import('../../packages/loading/demo'), 'loading'),

docs/src/doc.config.js

@@ -259,6 +259,10 @@ module.exports = {
             groupName: '导航组件',
             icon: 'https://img.yzcdn.cn/vant/nav-0401.svg',
             list: [
+              {
+                path: '/index-bar',
+                title: 'IndexBar 索引栏'
+              },
               {
                 path: '/nav-bar',
                 title: 'NavBar 导航栏'
@@ -574,6 +578,10 @@ module.exports = {
             groupName: 'Navigation Components',
             icon: 'https://img.yzcdn.cn/vant/nav-0401.svg',
             list: [
+              {
+                path: '/index-bar',
+                title: 'IndexBar'
+              },
               {
                 path: '/nav-bar',
                 title: 'NavBar'

docs/src/docs-entry.js

@@ -53,6 +53,8 @@ export default {
   'icon.zh-CN': () => import('../../packages/icon/zh-CN.md'),
   'image-preview.en-US': () => import('../../packages/image-preview/en-US.md'),
   'image-preview.zh-CN': () => import('../../packages/image-preview/zh-CN.md'),
+  'index-bar.en-US': () => import('../../packages/index-bar/en-US.md'),
+  'index-bar.zh-CN': () => import('../../packages/index-bar/zh-CN.md'),
   'lazyload.en-US': () => import('../../packages/lazyload/en-US.md'),
   'lazyload.zh-CN': () => import('../../packages/lazyload/zh-CN.md'),
   'list.en-US': () => import('../../packages/list/en-US.md'),