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import {getOneShotSyncPromise, getPeriodicSyncPromise} from './background-sync-helper.js';
self.addEventListener('install', e => e.waitUntil(skipWaiting()));
self.addEventListener('activate', e => e.waitUntil(clients.claim()));
self.addEventListener('message', async e => {
const {method, isPeriodic} = e.data;
const promise = isPeriodic ?
getPeriodicSyncPromise(self.registration, method) :
getOneShotSyncPromise(self.registration, method);
const message =
await promise
.then(() => {
return `[background synnc ${method}] Unexpectedly started`;
})
.catch((e) => {
return e.message;
});
e.source.postMessage(message);
});
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