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// This is a service worker script used by the client-url-creation-url test.
// It exists only to look up the client URL of the test iframe and send it back
// to the test page.
addEventListener('message', message_event => {
const port = message_event.data.port;
const async_work = async () => {
try {
const clients = await self.clients.matchAll();
// In our test there should be exactly one client that is our test
// navigation iframe.
if (clients.length == 1) {
const client = clients[0];
port.postMessage(client.url);
} else {
port.postMessage(`error: expected 1 client, not ${clients.length}`);
}
} catch (error) {
port.postMessage(`error: ${error.message}`);
}
};
message_event.waitUntil(async_work());
});