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Fix: Add global 20s deadline with dynamic per-attempt timeout

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multipleof4
2026-02-13 18:36:30 -08:00
parent 62e683ad9f
commit 2bb96a5789
1 changed files with 7 additions and 4 deletions
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11
functions/[[path]].js
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@@ -71,11 +71,14 @@ export async function onRequest(context) {
return jsonResponse(404, { error: "No image found for query" }); return jsonResponse(404, { error: "No image found for query" });
} }
// 4. Robust Fetch: Try results until one works // 4. Robust Fetch: Try all results with a 20s global deadline
const GLOBAL_DEADLINE = Date.now() + 20000;
let imgResult = null; let imgResult = null;
for (const imgUrl of imageUrls) { for (const imgUrl of imageUrls) {
imgResult = await fetchImage(imgUrl); const remaining = GLOBAL_DEADLINE - Date.now();
if (remaining <= 500) break;
imgResult = await fetchImage(imgUrl, Math.min(remaining, 5000));
if (imgResult) break; if (imgResult) break;
} }
@@ -173,7 +176,7 @@ async function braveImageSearch(query, apiKey) {
.filter(url => !!url); .filter(url => !!url);
} }
async function fetchImage(imageUrl) { async function fetchImage(imageUrl, timeoutMs = 5000) {
try { try {
const res = await fetch(imageUrl, { const res = await fetch(imageUrl, {
headers: { headers: {
@@ -181,7 +184,7 @@ async function fetchImage(imageUrl) {
"Accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
}, },
redirect: "follow", redirect: "follow",
signal: AbortSignal.timeout(5000), signal: AbortSignal.timeout(timeoutMs),
cf: { cacheTtl: 0 }, cf: { cacheTtl: 0 },
}); });