| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/speculation-rules/prerender/resources/utils.js"></script> |
| <script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script> |
| <script> |
| |
| // The main test page (restriction-background-sync.https.html) |
| // loads the initiator page, then the initiator page will prerender itself |
| // with the `prerendering` parameter. |
| const params = new URLSearchParams(location.search); |
| const isPrerendering = params.has('prerendering'); |
| |
| if (!isPrerendering) { |
| const rule_extras = {'target_hint': getTargetHint()}; |
| loadInitiatorPage(rule_extras); |
| } else { |
| async function loadPrerenderPage() { |
| const prerenderEventCollector = new PrerenderEventCollector(); |
| const scope = `resources/`; |
| const registration = await navigator.serviceWorker.getRegistration(scope); |
| const register_promise = registration.periodicSync.register( |
| 'periodic', { minInterval: 1000 }); |
| prerenderEventCollector.start(register_promise, 'periodicSync.register'); |
| } |
| loadPrerenderPage(); |
| } |
| |
| </script> |
