BaseAlert.vue

<template>
  <fade-transition>
    <div v-if="visible" class="alert" :class="[`alert-${type}`, { 'alert-with-icon': withIcon }]" role="alert">
      <slot v-if="!dismissible"></slot>
      <div v-else class="container">
        <slot></slot>
        <slot name="dismiss-icon">
          <button type="button" class="close" aria-label="Close" @click="dismissAlert">
                  <span aria-hidden="true">
                    <i class="tim-icons icon-simple-remove"></i>
                  </span>
          </button>
        </slot>
      </div>
    </div>
  </fade-transition>
</template>
<script>
  import { FadeTransition } from 'vue2-transitions';

  export default {
    name: 'base-alert',
    components: {
      FadeTransition
    },
    props: {
      type: {
        type: String,
        default: 'default',
        description: 'Alert type'
      },
      dismissible: {
        type: Boolean,
        default: false,
        description: 'Whether alert is dismissible (closeable)'
      },
      withIcon: {
        type: Boolean,
        default: false,
        description: 'Whether alert contains icon'
      }
    },
    data() {
      return {
        visible: true
      }
    },
    methods: {
      dismissAlert() {
        this.visible = false;
      }
    }
  }
</script>