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@std/streams@0.203.0

denoland/std

Utilities for working with the Web Streams API

JSR Score

100%

Published

2 years ago (0.203.0)

Package root>to_array_buffer.ts

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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.

import { concat } from "jsr:/@std/bytes@^0.203.0/concat";

export async function toArrayBuffer(
  readableStream: ReadableStream<Uint8Array>,
): Promise<ArrayBuffer> {
  const reader = readableStream.getReader();
  const chunks: Uint8Array[] = [];

  while (true) {
    const { done, value } = await reader.read();

    if (done) {
      break;
    }

    chunks.push(value);
  }

  return concat(...chunks).buffer;
}