Не могу понять, почему тут transition-group не хочет работать?
<transition-group name="collapse">
<div class="customers">
<SimpleCustomer v-if="!collapse" :customer="contact.last_deal_with" />
<div class="customers--list" v-else>
<SimpleCustomer :customer="membership.customer" :contact="contact.id" :person-post="membership.post" :collapse="collapse" :edit="edit" v-for="(membership, i) in memberships" :key="membership.customer.id"/>
</div>
<CreateMembership @addNewCustomer="addNewCustomer" :memberships="memberships" v-show="edit" :contact="contact"/>
</div>
</transition-group>