maestro-server/bootue

<div :class="['panel',panelType]">
  <div :class="['panel-heading',{'accordion-toggle':inAccordion}]" @click.prevent="inAccordion&&toggle()">
    <slot name="header"><h4 class="panel-title">{{ header }}</h4></slot>
  </div>
  <transition
    name="collapse"
    @enter="enter"
    @after-enter="afterEnter"
    @before-leave="beforeLeave"
  >
    <div class="panel-collapse" v-if="open">
      <div class="panel-body">
        <slot></slot>
      </div>
    </div>
  </transition>
</div>