Nulo/transicion-desordenada-diablo
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permitir ver dumps sin comprimir

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Cat /dev/Nulo 2023-12-08 01:02:55 -03:00
parent f5c40943eb
commit e155ab4aa7
1 changed files with 9 additions and 5 deletions
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14
frontend/src/lib/dump.ts
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@ -6,21 +6,25 @@ export async function downloadFile(
datasetId: string,
dist: Distribution,
) {
if (!dist.downloadURL) throw new Error("no downloadURL");
const outputS = streamSaver.createWriteStream(
dist.downloadURL.slice(dist.downloadURL.lastIndexOf("/") + 1),
);
const res = await fetch(
const res = await fetchGzipped(
`${dataPath}/${datasetId}/${dist.identifier}/${
dist.fileName || dist.identifier
}.gz`,
);
const ds = new DecompressionStream("gzip");
const decompressedStream = res.body!.pipeThrough(ds);
await decompressedStream.pipeTo(outputS);
await res.body!.pipeTo(outputS);
}
async function fetchGzipped(url: string): Promise<Response> {
const res = await fetch(url);
let res = await fetch(url);
if (res.status === 404 && url.endsWith(".gz")) {
// probar cargando el archivo no comprimido
res = await fetch(url.slice(0, url.length - ".gz".length));
return res;
}
const ds = new DecompressionStream("gzip");
const decompressedStream = res.body!.pipeThrough(ds);
const resD = new Response(decompressedStream);