self.addEventListener('fetch', function(event) { | |
var url = event.request.url; | |
if (url.indexOf('sample?test') == -1) { | |
return; | |
} | |
event.respondWith(new Promise(function(resolve) { | |
// null byte in blob type | |
resolve(new Response(new Blob([],{type: 'a\0b'}))); | |
})); | |
}); |