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Forked from jxnblk/valTownBadgeMiddleware
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How to use:

Create val
import wrapper from "https://esm.town/v/substrate/substrateBadgeMiddleware";

async function handler(req: Request): Promise<Response> {
  const html = `
    <h1>Hello, world</h1>
  `;
  return new Response(html, {
    headers: {
      "Content-Type": "text/html; charset=utf-8",
    },
  });
}

export default wrapper(handler, import.meta.url);

reference: https://www.val.town/v/jxnblk/valTownBadge

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import valTownBadge from "https://esm.town/v/substrate/substrateBadge";
export default function badgeMiddleware(handler, url: string) {
return async function(req: Request): Promise<Response> {
if (req.method !== "GET") return await handler(req);
let res = await handler(req);
if (res.headers.get("Content-Type")?.includes("text/html")) {
let body = await res.text();
const badge = valTownBadge(url);
body += `<div style="position:fixed;right:0;bottom:0;margin:8px">${badge}</div>`;
res = new Response(body, res);
}
return res;
};
}
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July 10, 2024