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Catch all usages of the CacheAPI

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This commit is contained in:
Misode
2021-05-28 04:06:35 +02:00
parent 3bf253b69d
commit 66285d0ccb
1 changed files with 34 additions and 25 deletions
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59
src/app/DataFetcher.ts
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@@ -94,7 +94,7 @@ async function fetchRegistries(version: Version, target: CollectionRegistry) {
: `${mcdataUrl}/${version.refs.mcdata_master}/processed/reports/registries/${r.id}/data.min.json`
target.register(r.id, await getData(url, v => v.values))
} catch (e) {
console.warn(`Error occurred while registry ${r.id}:`, e)
console.warn(`Error occurred while fetching registry ${r.id}:`, e)
}
}))
}
@@ -162,36 +162,45 @@ export async function fetchPreset(version: Version, registry: string, id: string
}
async function getData<T = any>(url: string, fn: (v: any) => T = (v: any) => v): Promise<T> {
const cache = await caches.open(CACHE_NAME)
const cacheResponse = await cache.match(url)
try {
const cache = await caches.open(CACHE_NAME)
console.debug(`[getData] Opened cache ${CACHE_NAME} ${url}`)
const cacheResponse = await cache.match(url)
if (cacheResponse && cacheResponse.ok) {
console.debug(`[getData] Retrieving cached data ${url}`)
return await cacheResponse.json()
}
console.debug(`[getData] fetching data ${url}`)
const fetchResponse = await fetch(url)
const responseData = fn(await fetchResponse.json())
await cache.put(url, new Response(JSON.stringify(responseData)))
return responseData
} catch (e) {
console.warn(`[getData] Failed to open cache ${CACHE_NAME}: ${e.message}`)
if (cacheResponse && cacheResponse.ok) {
return await cacheResponse.json()
console.debug(`[getData] fetching data ${url}`)
const fetchResponse = await fetch(url)
const responseData = fn(await fetchResponse.json())
return responseData
}
const fetchResponse = await fetch(url)
const responseData = fn(await fetchResponse.json())
await cache.put(url, new Response(JSON.stringify(responseData)))
return responseData
}
async function deleteMatching(matches: (url: string) => boolean) {
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>[] = []
for (const request of await cache.keys()) {
if (matches(request.url)) {
promises.push(cache.delete(request))
const cache = await caches.open(CACHE_NAME)
console.debug(`[deleteMatching] Opened cache ${CACHE_NAME}`)
const promises: Promise<boolean>[] = []
for (const request of await cache.keys()) {
if (matches(request.url)) {
promises.push(cache.delete(request))
}
}
console.debug(`[deleteMatching] Removing ${promises.length} cache objects...`)
await Promise.all(promises)
} catch (e) {
console.warn(`[deleteMatching] Failed to open cache ${CACHE_NAME}: ${e.message}`)
}
console.debug(`[deleteMatching] Removing ${promises.length} cache objects...`)
return (await Promise.all(promises)).length > 0
}