/** @jsxImportSource https://esm.sh/react */ import React, { useState, useEffect } from "https://esm.sh/react"; import { createRoot } from "https://esm.sh/react-dom/client"; import TurndownService from "https://esm.sh/turndown"; function convertTableToMarkdown(tableHtml) { const parser = new DOMParser(); const doc = parser.parseFromString(tableHtml, 'text/html'); const table = doc.querySelector('table'); if (!table) return ''; const rows = Array.from(table.querySelectorAll('tr')); let markdown = ''; rows.forEach((row, rowIndex) => { const cells = Array.from(row.querySelectorAll('th, td')); const markdownRow = cells.map(cell => { const links = Array.from(cell.querySelectorAll('a')); if (links.length > 0) { return links.map(link => `[${link.textContent}](${link.href})`).join(' '); } return cell.textContent.trim(); }).join(' | '); markdown += `| ${markdownRow} |\n`; if (rowIndex === 0) { const headerSeparator = cells.map(() => '---').join(' | '); markdown += `| ${headerSeparator} |\n`; } }); return markdown; } function App() { const [html, setHtml] = useState(''); const [markdown, setMarkdown] = useState(''); const [copySuccess, setCopySuccess] = useState(false); const [turndownService] = useState(() => { const service = new TurndownService({ headingStyle: 'atx', codeBlockStyle: 'fenced', emDelimiter: '*', }); service.addRule('tableRule', { filter: ['table'], replacement: function (content, node) { return convertTableToMarkdown(node.outerHTML); } }); // Preserve links service.addRule('links', { filter: ['a'], replacement: function (content, node) { return `[${content}](${node.getAttribute('href')})`; } }); return service; }); useEffect(() => { const wrappedHtml = `

${html}

`; setMarkdown(turndownService.turndown(wrappedHtml)); }, [html, turndownService]); const copyToClipboard = async () => { try { await navigator.clipboard.writeText(markdown); setCopySuccess(true); setTimeout(() => setCopySuccess(false), 2000); } catch (err) { console.error('Failed to copy text: ', err); } }; return (

HTML to Markdown Converter

HTML Input

setHtml(e.target.value)}
            placeholder="Enter your HTML here (including partial tables and links)..."
          />
        </div>
        <div className="output-section">
          <h2>Markdown Output</h2>
          <pre>{markdown}</pre>
          <button onClick={copyToClipboard} className="copy-button">
            {copySuccess ? 'Copied!' : 'Copy All'}
          </button>
        </div>
      </div>
      <footer>
        <a href={import.meta.url.replace("esm.town", "val.town")}>View Source</a>
      </footer>
    </div>
  );
}

function client() {
  createRoot(document.getElementById("root")).render(<App />);
}

if (typeof document !== "undefined") { client(); }

export default async function server(request: Request): Promise<Response> {
  return new Response(`
    <html>
      <head>
        <title>HTML to Markdown Converter (with Table and Link Support)</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap" rel="stylesheet">
        <style>${css}</style>
      </head>
      <body>
        <div id="root"></div>
        <script src="https://esm.town/v/std/catch"></script>
        <script type="module" src="${import.meta.url}"></script>
      </body>
    </html>
  `,
  {
    headers: {
      "content-type": "text/html",
    },
  });
}

const css = `
:root {
  --primary-color: #6c5ce7;
  --secondary-color: #a29bfe;
  --background-color: #dfe6e9;
  --text-color: #2d3436;
  --frosted-bg: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  background-image: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 {
  text-align: center;
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 40px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.converter {
  display: flex;
  gap: 40px;
  margin-top: 20px;
}

.input-section, .output-section {
  flex: 1;
  background-color: var(--frosted-bg);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.input-section:hover, .output-section:hover {
  transform: translateY(-5px);
}

h2 {
  margin-top: 0;
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

textarea, pre {
  width: 100%;
  height: 300px;
  border: none;
  border-radius: 8px;
  padding: 15px;
  font-size: 14px;
  line-height: 1.6;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  resize: vertical;
  box-sizing: border-box;
  flex-grow: 1;
  overflow-y: auto;
}

textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-x: auto;
  margin: 0;
}

.copy-button {
  display: block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s, transform 0.3s;
}

.copy-button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
}

footer {
  text-align: center;
  margin-top: 40px;
  color: #fff;
}

footer a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: border-color 0.3s;
}

footer a:hover {
  border-color: #fff;
}

@media (max-width: 768px) {
  .converter {
    flex-direction: column;
  }
  
  .input-section, .output-section {
    margin-bottom: 20px;
  }
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}
`;</article></body></html>

htmlToMarkdownConverter

Version 0