renderToMarkdown failed with table which has merged cells

Affected Packages

@tiptap/static-renderer

Version(s)

3.9.1

Bug Description

import { generateJSON } from "@tiptap/html/server";
import { renderToMarkdown } from "@tiptap/static-renderer/pm/markdown";
const htmlWithTable = `<table style="min-width: 75px">
    <colgroup>
        <col style="min-width: 25px">
        <col style="min-width: 25px">
        <col style="min-width: 25px">
    </colgroup>
    <tbody>
        <tr>
            <td colspan="1" rowspan="1">
                <p dir="auto">1</p>
            </td>
            <td colspan="1" rowspan="2">
                <p dir="auto">3</p>
            </td>
            <td colspan="1" rowspan="1">
                <p dir="auto">-</p>
            </td>
        </tr>
        <tr>
            <td colspan="1" rowspan="1">
                <p dir="auto">2</p>
            </td>
            <td colspan="1" rowspan="1">
                <p dir="auto">4</p>
            </td>
        </tr>
        <tr>
            <td colspan="1" rowspan="1"></td>
            <td colspan="1" rowspan="1"></td>
            <td colspan="1" rowspan="1"></td>
        </tr>
    </tbody>
</table>`
// extensions of table
const extensions = [...]
const doc = generateJSON(htmlWithTable, extensions);
const markdown = renderToMarkdown({
  extensions, // using your extensions
  content: doc,
});

console.log(markdown);

Browser Used

Chrome

Code Example URL

No response

Expected Behavior

renderToMarkdown util generate wrong markdown content when table with merged cells。

Additional Context (Optional)

No response

Dependency Updates

• Yes, I've updated all my dependencies.