index.tsx
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import './index.less';
import type { PropType } from 'vue';
import {
defineComponent,
ref,
watch,
onMounted,
nextTick,
unref,
computed,
CSSProperties,
} from 'vue';
import Iconify from '@purge-icons/generated';
import { isString } from '/@/utils/is';
import { propTypes } from '/@/utils/propTypes';
export default defineComponent({
name: 'GIcon',
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, { attrs }) {
const elRef = ref<ElRef>(null);
const getIconRef = computed(() => {
const { icon, prefix } = props;
return `${prefix ? prefix + ':' : ''}${icon}`;
});
const update = async () => {
const el = unref(elRef);
if (el) {
await nextTick();
const icon = unref(getIconRef);
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 wrapStyleRef = 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 () => (
<div ref={elRef} class={[attrs.class, 'app-iconify anticon']} style={unref(wrapStyleRef)} />
);
},
});