<template>
    <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners"></div>
    <svg v-else :class="svgClass" aria-hidden="true">
    <use :xlink:href="iconName" />
    </svg>
</template>

<script>
import { isExternal } from '@/utils/validate'
import '@/assets/icons'

export default {
    name: 'svg-icon',  

    props: {
    iconClass: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ''
    },   
   
  },
  computed: {
    isExternal() {
      return isExternal(this.iconClass)
    },
    iconName() {
      return `#icon-${this.iconClass}`
    },
    svgClass() {
      if (this.className) {
        return 'svg-icon ' + this.className
      } else {
        return 'svg-icon'
      }
    },
    styleExternalIcon() {
      return {
        mask: `url(${this.iconClass}) no-repeat 50% 50%`,
        '-webkit-mask': `url(${this.iconClass}) no-repeat 50% 50%`
      }
    }
  }

}
</script>

<style scoped>
.svg-icon {
  /* width: 1rem;
  height: 1rem; */
  vertical-align: middle;
  fill: currentColor;
  overflow: hidden;
}
 
.svg-external-icon {
  background-color: currentColor;
  mask-size: cover!important;
  display: inline-block;
}
</style>
