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Catch errors when opening cache

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This commit is contained in:
Misode
2021-05-28 03:45:50 +02:00
parent b7150b014f
commit 3bf253b69d
4 changed files with 13 additions and 11 deletions
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13
src/app/DataFetcher.ts
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@@ -176,15 +176,22 @@ async function getData<T = any>(url: string, fn: (v: any) => T = (v: any) => v):
}
async function deleteMatching(matches: (url: string) => boolean) {
const cache = await caches.open(CACHE_NAME)
console.debug(`[deleteMatching] Open cache ${CACHE_NAME}`)
let cache: Cache
try {
cache = await caches.open(CACHE_NAME)
} catch (e) {
console.error(`[deleteMatching] Failed to open cache ${CACHE_NAME}: ${e.message}`)
return
}
console.debug(`[deleteMatching] Opened cache! ${CACHE_NAME}`)
const promises: Promise<boolean>[] = []
console.debug(`[deleteMatching] ${CACHE_NAME} ${cache}`)
for (const request of await cache.keys()) {
if (matches(request.url)) {
promises.push(cache.delete(request))
}
}
console.debug(`[deleteMatching] ${CACHE_NAME} ${promises.length}`)
console.debug(`[deleteMatching] Removing ${promises.length} cache objects...`)
return (await Promise.all(promises)).length > 0
}