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export async function generateQR(req: Request) {
let url: URL;
try {
url = new URL(new URL(req.url).searchParams.get("url"));
}
catch {
return new Response(
"<html><body>Not a valid URL - " + new URL(req.url).search +
"</body></html>",
{
headers: {
"Content-Type": "text/html",
},
},
);
}
const { qrcode } = await import("https://deno.land/x/qrcode/mod.ts");
const base64Image = await qrcode(url);
return new Response(
`<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<img src=${base64Image} style="margin: 0 auto; max-width: 600px" width="100%" />
<p style="font-size: 0.85rem">QR Code generated using <a href="https://val.town">val.town</a></p>
<p style="font-size: 0.85rem">Built with 💗 by <a href="https://twitter.com/neverstew">Neverstew</a></p>
</body>
</html>`,
{ headers: { "Content-Type": "text/html" } },
);
}
// Forked from @ramkarthik.GenerateQR
// Forked from @galligan.generateQR