<view class="custom-class van-slider {{ disabled ? 'van-slider--disabled' : '' }}" bind:tap="onClick">
  <view class="van-slider__bar" style="{{ barStyle }}">
    <view
      class="van-slider__button"
      bind:touchstart="onTouchStart"
      catch:touchmove="onTouchMove"
      bind:touchend="onTouchEnd"
      bind:touchcancel="onTouchEnd"
    />
  </view>
</view>