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export default async function fetch(req: Request) {
const countParam = new URL(req.url).searchParams.get("count");
if (countParam === null) {
return new Response("Missing count parameter", { status: 400 });
}
const count = Math.min(+countParam, 100);
if (!Number.isFinite(count)) {
return new Response("Invalid count parameter", { status: 400 });
}
const body = new ReadableStream({
async start(controller) {
for (const _ of Array(count)) {
controller.enqueue(`${crypto.randomUUID()}\n`);
await new Promise((resolve) => setTimeout(resolve, 200));
}
controller.close();
},
}).pipeThrough(new TextEncoderStream());
return new Response(body, {
headers: {
"Content-Type": "text/plain",
"Transfer-Encoding": "chunked",
},
});
}