import fs from 'fs'; import path from 'path'; import MarkdownIt from 'markdown-it'; import puppeteer from 'puppeteer'; async function main() { const inputPath = process.argv[2]; if (!inputPath) { console.error('用法: pnpm dlx ts-node src/preview-html.ts '); process.exit(1); } if (!fs.existsSync(inputPath)) { console.error('输入文件不存在:', inputPath); process.exit(1); } const mdContent = fs.readFileSync(inputPath, 'utf-8'); const md = new MarkdownIt({ html: true, linkify: true, typographer: true }); let htmlContent = md.render(mdContent); const mdDir = path.dirname(path.resolve(inputPath)); // 替换本地图片路径为 file:// 绝对路径 htmlContent = htmlContent.replace(/]*?)src=(["'])([^"'>]+)\2([^>]*)>/gi, (match, pre, q, src, post) => { if (/^(http|https|data):/i.test(src)) return match; let absPath = src.startsWith('/') ? src : path.join(mdDir, src); absPath = path.resolve(absPath); absPath = decodeURIComponent(absPath); return ``; }); const html = ` md2pdf-preview ${htmlContent} `; // 写入临时 html 文件 const tmpHtmlPath = path.join(mdDir, '__md2pdf_preview.html'); fs.writeFileSync(tmpHtmlPath, html, 'utf-8'); // 用 puppeteer 有头模式打开 const browser = await puppeteer.launch({ headless: false, args: [ '--no-sandbox', '--disable-setuid-sandbox', '--allow-file-access-from-files', '--enable-local-file-accesses' ], }); const page = await browser.newPage(); await page.goto('file://' + tmpHtmlPath); console.log('已在浏览器中打开，按F12可查看控制台和网络面板。'); } main();