72 lines
2.0 KiB
TypeScript
72 lines
2.0 KiB
TypeScript
import { readFileSync, readdirSync } from 'fs';
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let idPerfix = '';
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const iconNames: string[] = [];
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const svgTitle = /<svg([^>+].*?)>/;
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const clearHeightWidth = /(width|height)="([^>+].*?)"/g;
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const hasViewBox = /(viewBox="[^>+].*?")/g;
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const clearReturn = /(\r)|(\n)/g;
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// 清理 svg 的 fill
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const clearFill = /(fill="[^>+].*?")/g;
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function findSvgFile(dir: string): string[] {
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const svgRes = [] as any;
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const dirents = readdirSync(dir, {
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withFileTypes: true,
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});
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for (const dirent of dirents) {
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iconNames.push(`${idPerfix}-${dirent.name.replace('.svg', '')}`);
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if (dirent.isDirectory()) {
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svgRes.push(...findSvgFile(dir + dirent.name + '/'));
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} else {
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const svg = readFileSync(dir + dirent.name)
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.toString()
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.replace(clearReturn, '')
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.replace(clearFill, 'fill=""')
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.replace(svgTitle, ($1, $2) => {
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let width = 0;
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let height = 0;
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let content = $2.replace(clearHeightWidth, (s1: string, s2: string, s3: number) => {
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if (s2 === 'width') {
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width = s3;
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} else if (s2 === 'height') {
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height = s3;
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}
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return '';
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});
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if (!hasViewBox.test($2)) {
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content += `viewBox="0 0 ${width} ${height}"`;
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}
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return `<symbol id="${idPerfix}-${dirent.name.replace('.svg', '')}" ${content}>`;
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})
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.replace('</svg>', '</symbol>');
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svgRes.push(svg);
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}
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}
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return svgRes;
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}
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export const svgBuilder = (path: string, perfix = 'local') => {
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if (path === '') return;
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idPerfix = perfix;
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const res = findSvgFile(path);
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return {
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name: 'svg-transform',
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transformIndexHtml(html: string) {
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/* eslint-disable */
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return html.replace(
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'<body>',
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`
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<body>
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<svg id="local-icon" data-icon-name="${iconNames.join(
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','
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)}" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="position: absolute; width: 0; height: 0">
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${res.join('')}
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</svg>
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`
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);
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/* eslint-enable */
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},
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};
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};
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