146 lines
4.4 KiB
TypeScript
146 lines
4.4 KiB
TypeScript
import { nextTick } from 'vue';
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import * as svg from '@element-plus/icons-vue';
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// 获取阿里字体图标
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const getAlicdnIconfont = () => {
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return new Promise((resolve, reject) => {
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nextTick(() => {
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const styles: any = document.styleSheets;
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let sheetsList = [] as any[];
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let sheetsIconList = [] as any[];
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for (let i = 0; i < styles.length; i++) {
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if (styles[i].href && styles[i].href.indexOf('at.alicdn.com') > -1) {
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sheetsList.push(styles[i]);
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}
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}
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for (let i = 0; i < sheetsList.length; i++) {
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for (let j = 0; j < sheetsList[i].cssRules.length; j++) {
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if (sheetsList[i].cssRules[j].selectorText && sheetsList[i].cssRules[j].selectorText.indexOf('.icon-') > -1) {
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sheetsIconList.push(
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`${sheetsList[i].cssRules[j].selectorText.substring(1, sheetsList[i].cssRules[j].selectorText.length).replace(/\:\:before/gi, '')}`
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);
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}
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}
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}
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if (sheetsIconList.length > 0) resolve(sheetsIconList);
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else reject('未获取到值，请刷新重试');
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});
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});
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};
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// 初始化获取 css 样式，获取 element plus 自带 svg 图标，增加了 ele- 前缀，使用时：ele-Aim
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const getElementPlusIconfont = () => {
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return new Promise((resolve, reject) => {
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nextTick(() => {
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const icons = svg as any;
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const sheetsIconList = [] as any[];
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for (const i in icons) {
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sheetsIconList.push(`ele-${icons[i].name}`);
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}
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if (sheetsIconList.length > 0) resolve(sheetsIconList);
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else reject('未获取到值，请刷新重试');
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});
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});
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};
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// 初始化获取 css 样式，这里使用 fontawesome 的图标
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const getAwesomeIconfont = () => {
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return new Promise((resolve, reject) => {
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nextTick(() => {
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const styles: any = document.styleSheets;
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let sheetsList = [] as any[];
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let sheetsIconList = [] as any[];
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for (let i = 0; i < styles.length; i++) {
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// 支持检测 fontawesome 和 fortawesome
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if (styles[i].href && (styles[i].href.indexOf('fontawesome') > -1 || styles[i].href.indexOf('fortawesome') > -1)) {
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sheetsList.push(styles[i]);
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}
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}
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for (let i = 0; i < sheetsList.length; i++) {
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try {
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for (let j = 0; j < sheetsList[i].cssRules.length; j++) {
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const rule = sheetsList[i].cssRules[j];
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if (rule.selectorText) {
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// 支持 Font Awesome 7.x 新格式：.fa-solid, .fa-regular, .fa-brands, .fa-xxx
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// 也支持旧格式：.fa-xxx
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if (
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(rule.selectorText.indexOf('.fa-solid') === 0 ||
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rule.selectorText.indexOf('.fa-regular') === 0 ||
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rule.selectorText.indexOf('.fa-brands') === 0 ||
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rule.selectorText.indexOf('.fa-') === 0) &&
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rule.selectorText.indexOf(',') === -1
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) {
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if (/::before/.test(rule.selectorText)) {
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const iconClass = rule.selectorText
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.substring(1, rule.selectorText.length)
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.replace(/\:\:before/gi, '');
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// 如果是新格式（fa-solid fa-xxx），只取图标名部分
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const iconName = iconClass.replace(/^(fa-solid|fa-regular|fa-brands)\s+/, '');
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if (iconName && !sheetsIconList.includes(iconName)) {
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sheetsIconList.push(iconName);
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}
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}
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}
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}
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}
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} catch (e) {
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// 跨域样式表可能无法访问，忽略错误
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continue;
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}
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}
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if (sheetsIconList.length > 0) resolve(sheetsIconList.reverse());
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else reject('未获取到值，请刷新重试');
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});
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});
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};
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/*
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* 获取本地自带的图标
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* /src/assets/icons文件夹内的svg文件
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*/
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const getLocalIconfontNames = () => {
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return new Promise<string[]>((resolve, reject) => {
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nextTick(() => {
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let iconfonts: string[] = [];
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const svgEl = document.getElementById('local-icon');
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if (svgEl?.dataset.iconName) {
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iconfonts = (svgEl?.dataset.iconName as string).split(',');
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}
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if (iconfonts.length > 0) {
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resolve(iconfonts);
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} else {
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reject('No Local Icons');
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}
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});
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});
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};
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/**
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* 获取字体图标 `document.styleSheets`
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* @method ali 获取阿里字体图标 `<i class="iconfont 图标类名"></i>`
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* @method ele 获取 element plus 自带图标 `<i class="图标类名"></i>`
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* @method ali 获取 fontawesome 的图标 `<i class="fa 图标类名"></i>`
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*/
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const initIconfont = {
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// iconfont
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ali: () => {
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return getAlicdnIconfont();
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},
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// element plus
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ele: () => {
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return getElementPlusIconfont();
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},
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// fontawesome
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awe: () => {
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return getAwesomeIconfont();
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},
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local: () => {
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return getLocalIconfontNames();
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},
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};
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// 导出方法
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export default initIconfont;
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