字体图标转换（芋道框架自带）_iconify.rendersvg

<script setup lang="ts">
import { computed, unref, ref, watch, nextTick } from 'vue'
import { ElIcon } from 'element-plus'
import { propTypes } from '@/utils/propTypes'
import Iconify from '@purge-icons/generated'
import { useDesign } from '@/hooks/web/useDesign'
 
const { getPrefixCls } = useDesign()
 
const prefixCls = getPrefixCls('icon')
 
const props = defineProps({
  // icon name
  icon: propTypes.string,
  // icon color
  color: propTypes.string,
  // icon size
  size: propTypes.number.def(16)
})
console.log(props, 'propspropspropspropspropsprops')
 
const elRef = ref<ElRef>(null)
 
const isLocal = computed(() => props.icon.startsWith('svg-icon:'))
 
const symbolId = computed(() => {
  return unref(isLocal)
    ? `#icon-${props.icon.split('svg-icon:')[1]}`
    : props.icon.replace('fa-', 'fa:')
})
console.log(isLocal.value, 'isLocal1111')
console.log(symbolId.value, 'symbolId1111')
 
const getIconifyStyle = computed(() => {
  const { color, size } = props
  return {
    fontSize: `${size}px`,
    color
  }
})
 
const updateIcon = async (icon: string) => {
  if (unref(isLocal)) return
 
  const el = unref(elRef)
  if (!el) return
 
  await nextTick()
 
  if (!icon) return
 
  const svg = Iconify.renderSVG(icon, {})
  if (svg) {
    el.textContent = ''
    el.appendChild(svg)
  } else {
    const span = document.createElement('span')
    span.className = 'iconify'
    span.dataset.icon = icon
    el.textContent = ''
    el.appendChild(span)
  }
}
 
watch(
  () => props.icon,
  (icon: string) => {
    consoel.log(icon, 'iconWatch')
    updateIcon(icon)
  }
)
</script>
 
<template>
  <ElIcon :class="prefixCls" :size="size" :color="color">
    <svg v-if="isLocal" aria-hidden="true">
      <use :xlink:href="symbolId" />
    </svg>
 
    <span v-else ref="elRef" :class="$attrs.class" :style="getIconifyStyle">
      <span class="iconify" :data-icon="symbolId"></span>
    </span>
  </ElIcon>
</template>
<style scoped>
.el-icon {
  vertical-align: middle;
}
</style>