service-worker.js (341B)
1 self.onfetch = e => { 2 e.respondWith(function() { 3 return new Promise((resolve) => { 4 var headers = new Headers; 5 headers.append("Content-Security-Policy", "frame-ancestors 'none'"); 6 var response = new Response("", { "headers" : headers, "status": 200, "statusText" : "OK" }); 7 resolve(response); 8 }); 9 }()); 10 };