Function start

src/utils/zipDownload.test.ts:11–16

(controller)

function createStreamedResponse(chunks: number[][], contentLength?: number): Response {
  return new Response(new ReadableStream<Uint8Array>({
    start(controller) {
      for (const chunk of chunks) {
        controller.enqueue(new Uint8Array(chunk));
      }
      controller.close();
    },
  }), {
    status: 200,
    headers: contentLength === undefined ? undefined : {