cf-rewrite-au-to-com-au

gistfile1.txt

const statusCode = 301;

async function handleRequest(request) {
  const url = new URL(request.url);
  const hostname = url.hostname;
  const { pathname, search } = url;
  const askhostname = /(.au)/;
  const gethostname = `.com.au`;
  const newbase = hostname.replace(askhostname, gethostname);

  const destinationURL = 'https://' + newbase + pathname + search;

  return Response.redirect(destinationURL, statusCode);
}

addEventListener('fetch', async event => {
  event.respondWith(handleRequest(event.request));
});

Automatically rewrites anything.au to anything.com.au