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Implement no-op cache clearing for PWA utilities #1100

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Merged
RUKAYAT-CODER merged 1 commit into from
Jul 30, 2026
Merged

Implement no-op cache clearing for PWA utilities #1100

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13 changes: 11 additions & 2 deletions src/utils/pwaUtils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,15 @@ export async function promptPWAInstall(installEvent: any): Promise<boolean> {
* Clears outdated caches for storage optimization on mobile
*/
export async function clearOutdatedCaches(cachePrefix = 'teachlink-cache-'): Promise<void> {
if (!('caches' in window)) return;
// Typically executed inside the SW, but can be manually triggered if needed from client side
if (typeof globalThis === 'undefined' || !('caches' in globalThis)) return;

try {
const cacheNames = await globalThis.caches.keys();
const matchingCaches = cacheNames.filter((cacheName) => cacheName.startsWith(cachePrefix));

await Promise.all(matchingCaches.map((cacheName) => globalThis.caches.delete(cacheName)));
logger.info('Cleared outdated caches', { cachePrefix, deletedCount: matchingCaches.length });
} catch (error) {
logger.error('Failed to clear outdated caches', { error, cachePrefix });
}
}
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