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importScripts('./extendable-message-event-utils.js');
self.addEventListener('message', function(event) {
switch (event.data.type) {
case 'start':
// Send a ping message to another service worker.
self.registration.waiting.postMessage(
{type: 'ping', client_id: event.source.id});
break;
case 'pong':
var results = {
pingOrPong: 'pong',
event: ExtendableMessageEventUtils.serialize(event)
};
var client_id = event.data.client_id;
event.waitUntil(clients.get(client_id)
.then(function(client) {
client.postMessage({type: 'record', results: results});
client.postMessage({type: 'finish'});
}));
break;
}
});
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