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This commit is contained in:
Manav Rathi 2024-04-30 15:30:57 +05:30
parent 9cc730e6a9
commit 824e73f150
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1 changed files with 14 additions and 2 deletions
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16
desktop/src/main/stream.ts
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@ -102,11 +102,23 @@ const handleReadZip = async (zipPath: string, entryName: string) => {
const entry = await zip.entry(entryName);
if (!entry) return new Response("", { status: 404 });
// This returns an "old style" NodeJS.ReadableStream.
const stream = await zip.stream(entry);
// Convert it into a new style NodeJS.Readable.
const nodeReadable = new Readable().wrap(stream);
// Then convert it into a Web stream.
const webReadableStreamAny = Readable.toWeb(nodeReadable);
// However, we get a ReadableStream<any> now. This doesn't go into the
// `BodyInit` expected by the Response constructor, which wants a
// ReadableStream<Uint8Array>. Force a cast.
const webReadableStream =
webReadableStreamAny as ReadableStream<Uint8Array>;
// TODO(MR): when to call zip.close()
// Close the zip handle when the underlying stream closes.
// TODO(MR): Verify
stream.on("end", () => zip.close());
return new Response(Readable.toWeb(new Readable(stream)), {
return new Response(webReadableStream, {
headers: {
// We don't know the exact type, but it doesn't really matter,
// just set it to a generic binary content-type so that the