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frontend: cachear respuestas gzip

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Cat /dev/Nulo 2023-12-07 21:05:41 -03:00
parent 651a214bfb
commit 5b379a70be
1 changed files with 14 additions and 1 deletions
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15
frontend/src/lib/dump.ts
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@ -26,9 +26,22 @@ async function fetchGzipped(url: string): Promise<Response> {
const resD = new Response(decompressedStream); const resD = new Response(decompressedStream);
return resD; return resD;
} }
let cachedGzippedJson = new Map<string, { date: Date; data: unknown }>();
async function loadGzippedJson(url: string): Promise<unknown> { async function loadGzippedJson(url: string): Promise<unknown> {
const cachedEntry = cachedGzippedJson.get(url);
if (cachedEntry) {
if (+cachedEntry.date + 10 * 60 * 1000 > +new Date()) {
return cachedEntry.data;
} else {
cachedGzippedJson.delete(url);
}
}
const res = await fetchGzipped(url); const res = await fetchGzipped(url);
return await res.json(); const json = await res.json();
cachedGzippedJson.set(url, { date: new Date(), data: json });
return json;
} }
const endpoint = "http://localhost:8081"; const endpoint = "http://localhost:8081";