self.addEventListener('fetch', function(event) { | |
if (event.request.url.indexOf('sample.js') != -1) { | |
event.respondWith(new Promise(resolve => { | |
// Slightly delay the response so we ensure we get a non-zero | |
// duration. | |
setTimeout(_ => resolve(new Response('// Empty javascript')), 50); | |
})); | |
} | |
else if (event.request.url.indexOf('missing.jpg?SWRespondsWithFetch') != -1) { | |
event.respondWith(fetch('sample.txt?SWFetched')); | |
} | |
}); |