onfetch-waituntil-forever.js (268B)
1 'use strict'; 2 3 self.addEventListener('fetch', event => { 4 if (event.request.url.endsWith('waituntil-forever')) { 5 event.respondWith(new Promise(() => { 6 // Use a promise that never resolves to prevent this fetch from 7 // completing. 8 })); 9 } 10 });