| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Prerender while prerendering test: outer prerendered page</title> |
| <script src="utils.js"></script> |
| |
| <script type="module"> |
| const params = new URLSearchParams(location.search); |
| const uid = params.get("uid"); |
| const innerURL = `prerender-while-prerender-inner.html?uid=${uid}`; |
| |
| startPrerendering(innerURL); |
| // Wait 5 seconds for any potential prerender to start and get to the point |
| // where it would send a message that would cause a failure. |
| await new Promise(r => setTimeout(r, 5_000)); |
| |
| document.addEventListener("prerenderingchange", () => { |
| location.href = innerURL; |
| }); |
| |
| const channel = new PrerenderChannel("start-test", uid); |
| channel.postMessage("ready to start"); |
| channel.close(); |
| </script> |