transition(
name="expand"
:mode="mode"
:css="false"
@before-appear="beforeAppear"
@appear="appear"
@after-appear="afterAppear"
@before-enter="beforeEnter"
@enter="enter"
@after-enter="afterEnter"
@before-leave="beforeLeave"
@leave="leave"
@after-leave="afterLeave")
slot