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/**
* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import { generateUrl, getRootUrl } from '@nextcloud/router'
import logger from '../logger.ts'
export default () => {
if ('serviceWorker' in navigator) {
// Use the window load event to keep the page load performant
window.addEventListener('load', async () => {
try {
const url = generateUrl('/apps/files/preview-service-worker.js', {}, { noRewrite: true })
let scope = getRootUrl()
// If the instance is not in a subfolder an empty string will be returned.
// The service worker registration will use the current path if it receives an empty string,
// which will result in a service worker registration for every single path the user visits.
if (scope === '') {
scope = '/'
}
const registration = await navigator.serviceWorker.register(url, { scope })
logger.debug('SW registered: ', { registration })
} catch (error) {
logger.error('SW registration failed: ', { error })
}
})
} else {
logger.debug('Service Worker is not enabled on this browser.')
}
}
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