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self.addEventListener('install', function(event) {
console.log ('installed service worker', event);
self.skipWaiting();
});
/* load stuff through service worker immediately? XXX: only debugging? */
self.addEventListener('activate', event => {
event.waitUntil(clients.claim());
});
self.addEventListener('fetch', function(event) {
console.log ('fetch event', event.request.url, event);
let url = new URL (event.request.url);
url.protocol = 'https:';
url.port = 443;
url.hash = '';
if (url.hostname.endsWith ('.swayback.localhost')) {
url.hostname = url.hostname.slice (0, url.hostname.length-'.swayback.localhost'.length);
}
console.log ('orig url', url);
let body = new FormData ();
body.append ('url', url);
body.append ('method', event.request.method);
let req = new Request ('http://swayback.localhost:5000/raw', {method: 'POST', body: body});
event.respondWith (
fetch(req)
.then(function (response) {
// response may be used only once
// we need to save clone to put one copy in cache
// and serve second one
let responseClone = response.clone();
console.log ('got resp', responseClone);
return response;
})
.catch (function () {
console.log ('nope');
})
);
});
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