Function finishEnter

packages/runtime-dom/src/components/Transition.ts:184–194

(
    el: Element & { _enterCancelled?: boolean },
    isAppear: boolean,
    done?: () => void,
    isCancelled?: boolean,
  )

  } = baseProps

  const finishEnter = (
    el: Element & { _enterCancelled?: boolean },
    isAppear: boolean,
    done?: () => void,
    isCancelled?: boolean,
  ) => {
    el._enterCancelled = isCancelled
    removeTransitionClass(el, isAppear ? appearToClass : enterToClass)
    removeTransitionClass(el, isAppear ? appearActiveClass : enterActiveClass)
    done && done()
  }

  const finishLeave = (
    el: Element & { _isLeaving?: boolean },