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/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
// The preview service worker cache name (see webpack config)
const SWCacheName = 'previews'
/**
* Check if the preview is already cached by the service worker
* @param previewUrl URL to check
*/
export async function isCachedPreview(previewUrl: string): Promise<boolean> {
if (!window?.caches?.open) {
return false
}
const cache = await window.caches.open(SWCacheName)
const response = await cache.match(previewUrl)
return response !== undefined
}
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