NavigationPreloadManager: disable() method

The disable() method of the NavigationPreloadManager interface halts the automatic preloading of service-worker-managed resources previously started using enable() It returns a promise that resolves with undefined.

The method may be called in the service worker's activate event handler (before the fetch event handler can be called).

disable()

addEventListener("activate", (event) => {
  event.waitUntil(
    (async () => {
      if (self.registration.navigationPreload) {
        // Disable navigation preloads!
        await self.registration.navigationPreload.disable();
      }
    })()
  );
});