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Catch cache exceptions (#98)

old-stable24
Varun Patil 2022-10-23 11:01:53 -07:00
parent a8d8ee95d0
commit 742e43620d
1 changed files with 12 additions and 2 deletions
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14
src/services/Utils.ts
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@ -203,17 +203,24 @@ window.caches?.keys().then((keys) => {
keys.filter((key) => key.startsWith('memories-') && key !== cacheName).forEach((key) => { keys.filter((key) => key.startsWith('memories-') && key !== cacheName).forEach((key) => {
window.caches.delete(key); window.caches.delete(key);
}); });
});; });
/** Open the cache */ /** Open the cache */
export async function openCache() { export async function openCache() {
return await window.caches?.open(cacheName); try {
return await window.caches?.open(cacheName);
} catch {
console.warn('Failed to get cache', cacheName);
return null;
}
} }
/** Get data from the cache */ /** Get data from the cache */
export async function getCachedData<T>(url: string): Promise<T> { export async function getCachedData<T>(url: string): Promise<T> {
if (!window.caches) return null; if (!window.caches) return null;
const cache = staticCache || await openCache(); const cache = staticCache || await openCache();
if (!cache) return null;
const cachedResponse = await cache.match(url); const cachedResponse = await cache.match(url);
if (!cachedResponse || !cachedResponse.ok) return undefined; if (!cachedResponse || !cachedResponse.ok) return undefined;
return await cachedResponse.json(); return await cachedResponse.json();
@ -223,8 +230,11 @@ export async function getCachedData<T>(url: string): Promise<T> {
export function cacheData(url: string, data: Object) { export function cacheData(url: string, data: Object) {
if (!window.caches) return; if (!window.caches) return;
const str = JSON.stringify(data); const str = JSON.stringify(data);
(async () => { (async () => {
const cache = staticCache || await openCache(); const cache = staticCache || await openCache();
if (!cache) return;
const response = new Response(str); const response = new Response(str);
response.headers.set('Content-Type', 'application/json'); response.headers.set('Content-Type', 'application/json');
await cache.put(url, response); await cache.put(url, response);