applte/components/dist/transition/index.wxml

<wxs src="./index.wxs" module="computed" />

<view
  wx:if="{{ inited }}"
  class="van-transition custom-class {{ classes }}"
  style="{{ computed.rootStyle({ currentDuration, display, customStyle }) }}"
  bind:transitionend="onTransitionEnd"
>
  <slot />
</view>