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Ensure sections with Force Refresh/no cache timer render stale cards when Show Stale Items is enabled

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HighImKevin
2026-09-25 07:09:56 -04:00
parent 3000ae01ac
commit 1ccf00e752
3 changed files with 87 additions and 19 deletions
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scripts/apiHelper.js
+25 -5
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@@ -596,15 +596,35 @@
});
// 3. Lazy data promise — do not start fetchData until ensureData()/dataPromise is used
// Stale-while-revalidate: return usable cache immediately; refresh in _refreshPromise
const hasUsableCachedPayload = (data) => {
if (!data) return false;
if (Array.isArray(data)) return data.length > 0;
if (Array.isArray(data.Items)) return data.Items.length > 0;
return false;
};
result.ensureData = function() {
if (!result._dataPromise) {
result._dataPromise = result.isStalePromise.then(isStale => {
if (isStale) {
LOG(`[Fetch] Refreshing data for: ${url}...`);
return fetchData();
if (!isStale) {
LOG(`[Fetch] Using cached data for: ${url}...`);
return result.data;
}
LOG(`[Fetch] Using cached data for: ${url}...`);
return result.data;
const refreshPromise = fetchData().then((fresh) => {
if (fresh != null) result.data = fresh;
return fresh;
});
if (hasUsableCachedPayload(result.data)) {
result._refreshPromise = refreshPromise;
LOG(`[Fetch] Returning stale cache; refreshing in background: ${url}...`);
return result.data;
}
LOG(`[Fetch] Refreshing data for: ${url}...`);
return refreshPromise;
});
}
return result._dataPromise;