Amazon.com to .ca link swapper

gistfile1.txt

// Amazon.com to .ca link swapper
(() => {
  const a = document.getElementById("redir-go-to-site");
  if (!a) return;

  const buildCaUrl = () => {
    const u = new URL(location.href);

    // Keep same path/query/hash, but switch to amazon.ca
    // This handles amazon.com / amazon.co.uk / etc.
    u.hostname = "www.amazon.ca";

    // If you want to drop the interstitial ref param:
    u.searchParams.delete("ref_");

    return u.toString();
  };

  const target = buildCaUrl();

  // Update visible href (nice-to-have)
  a.href = target;

  // Kill Amazon’s handler + force navigation
  a.addEventListener(
    "click",
    (e) => {
      e.preventDefault();
      e.stopPropagation();
      e.stopImmediatePropagation();
      window.location.assign(target);
    },
    true // capture phase so we run before their listener
  );

  console.log("Forced click target:", target);
})();