index.vue
2.63 KB
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<template>
<SvgIcon :size="size" :name="getSvgIcon" v-if="isSvgIcon" :class="[$attrs.class]" />
<span
v-else
ref="elRef"
:class="[$attrs.class, 'app-iconify anticon']"
:style="getWrapStyle"
></span>
</template>
<script lang="ts">
import type { PropType } from 'vue';
import {
defineComponent,
ref,
watch,
onMounted,
nextTick,
unref,
computed,
CSSProperties,
} from 'vue';
import SvgIcon from './SvgIcon.vue';
import Iconify from '@purge-icons/generated';
import { isString } from '/@/utils/is';
import { propTypes } from '/@/utils/propTypes';
const SVG_END_WITH_FLAG = '|svg';
export default defineComponent({
name: 'GIcon',
components: { SvgIcon },
props: {
// icon name
icon: propTypes.string,
// icon color
color: propTypes.string,
// icon size
size: {
type: [String, Number] as PropType<string | number>,
default: 16,
},
prefix: propTypes.string.def(''),
},
setup(props) {
const elRef = ref<ElRef>(null);
const isSvgIcon = computed(() => props.icon?.endsWith(SVG_END_WITH_FLAG));
const getSvgIcon = computed(() => props.icon.replace(SVG_END_WITH_FLAG, ''));
const getIconRef = computed(() => `${props.prefix ? props.prefix + ':' : ''}${props.icon}`);
const update = async () => {
if (unref(isSvgIcon)) return;
const el = unref(elRef);
if (!el) return;
await nextTick();
const icon = unref(getIconRef);
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);
}
};
const getWrapStyle = computed(
(): CSSProperties => {
const { size, color } = props;
let fs = size;
if (isString(size)) {
fs = parseInt(size, 10);
}
return {
fontSize: `${fs}px`,
color,
display: 'inline-flex',
};
}
);
watch(() => props.icon, update, { flush: 'post' });
onMounted(update);
return { elRef, getWrapStyle, isSvgIcon, getSvgIcon };
},
});
</script>
<style lang="less">
.app-iconify {
display: inline-block;
vertical-align: middle;
}
span.iconify {
display: block;
min-width: 1em;
min-height: 1em;
background: @iconify-bg-color;
border-radius: 100%;
}
</style>