index.wxml

<wxs src="../wxs/utils.wxs" module="utils" />

<view
  class="{{ utils.bem('sidebar-item', { selected, disabled }) }} {{ selected ? 'active-class' : '' }} {{ disabled ? 'disabled-class' : '' }} custom-class"
  hover-class="van-sidebar-item--hover"
  hover-stay-time="70"
  bind:tap="onClick"
>
  <view class="van-sidebar-item__text">
    <van-info
      wx:if="{{ badge != null || info !== null || dot }}"
      dot="{{ dot }}"
      info="{{ badge != null ? badge : info }}"
    />
    <view wx:if="{{ title }}">{{ title }}</view>
    <slot wx:else name="title" />
  </view>
</view>