import { deferred } from "../async/deferred.ts";
export function mergeReadableStreams<T>( ...streams: ReadableStream<T>[]): ReadableStream<T> { const resolvePromises = streams.map(() => deferred<void>()); return new ReadableStream<T>({ start(controller) { Promise.all(resolvePromises).then(() => { controller.close(); }); try { for (const [key, stream] of Object.entries(streams)) { (async () => { for await (const data of stream) { controller.enqueue(data); } resolvePromises[+key].resolve(); })(); } } catch (e) { controller.error(e); } }, });}