Primeira versao

loader.js

@@ -0,0 +1,34 @@
+(() => {
+  const params  = new URLSearchParams(location.search);
+  const destUrl = params.get('url');
+
+  if (!destUrl) {
+    document.querySelector('.label').textContent = 'No URL provided.';
+    document.getElementById('dest').textContent  = '';
+    document.getElementById('goNow').style.display = 'none';
+    return;
+  }
+
+  document.getElementById('dest').textContent = destUrl;
+  document.title = '⏳ ' + destUrl;
+
+  let navigated = false;
+
+  function navigate() {
+    if (navigated) return;
+    navigated = true;
+    location.replace(destUrl);
+  }
+
+  // "Load now" button — immediate bypass
+  document.getElementById('goNow').addEventListener('click', navigate);
+
+  // Navigate when the tab becomes visible (user switches to it)
+  if (document.visibilityState === 'visible') {
+    setTimeout(navigate, 80);
+  } else {
+    document.addEventListener('visibilitychange', () => {
+      if (document.visibilityState === 'visible') navigate();
+    });
+  }
+})();