// HTML to PDF — render an HTML snippet or URL to PDF via browser print.
// Uses a hidden iframe; calling window.print() on it invokes the native "Save as PDF".
window.TOOL_HANDLERS['html-to-pdf'] = function HtmlToPdfTool() {
const [mode, setMode] = React.useState('html'); // 'html' | 'url'
const [html, setHtml] = React.useState('Hello \nEdit this HTML and hit Print to PDF .
');
const [url, setUrl] = React.useState('https://example.com');
const [busy, setBusy] = React.useState(false);
const [err, setErr] = React.useState('');
const printHtml = () => {
setBusy(true); setErr('');
try {
const doc = `Export
${html}`;
const iframe = document.createElement('iframe');
iframe.style.cssText = 'position:fixed;right:0;bottom:0;width:0;height:0;border:0;';
iframe.sandbox = 'allow-modals allow-same-origin';
document.body.appendChild(iframe);
iframe.srcdoc = doc;
iframe.onload = () => {
setTimeout(() => {
try {
iframe.contentWindow.focus();
iframe.contentWindow.print();
} catch (e) { setErr(e.message); }
finally { setBusy(false); setTimeout(() => iframe.remove(), 1000); }
}, 150);
};
} catch (e) { setErr(e.message); setBusy(false); }
};
const printUrl = () => {
setErr('');
const w = window.open(url, '_blank');
if (!w) return setErr('Popup blocked — allow popups to open a URL for printing.');
setTimeout(() => { try { w.focus(); w.print(); } catch {} }, 1200);
};
return (
setMode('html')}>Paste HTML
setMode('url')}>Use a URL
{mode === 'html' ? (
<>
HTML