export function earlyZipReadableStreams<T>( ...streams: ReadableStream<T>[]): ReadableStream<T> { const readers = streams.map((s) => s.getReader()); return new ReadableStream<T>({ async start(controller) { try { loop: while (true) { for (const reader of readers) { const { value, done } = await reader.read(); if (!done) { controller.enqueue(value!); } else { await Promise.all(readers.map((reader) => reader.cancel())); break loop; } } } controller.close(); } catch (e) { controller.error(e); } }, });}