deno.land / std@0.224.0 / streams / readable_stream_from_reader.ts

readable_stream_from_reader.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { toReadableStream } from "../io/to_readable_stream.ts";import type { Closer, Reader } from "../io/types.ts";export type { Closer };
/** * Options for {@linkcode readableStreamFromReader}. * * @deprecated This will be removed in 1.0.0. Use {@linkcode toReadableStream} instead. */export interface ReadableStreamFromReaderOptions { /** If the `reader` is also a `Closer`, automatically close the `reader` * when `EOF` is encountered, or a read error occurs. * * @default {true} */ autoClose?: boolean;
/** The size of chunks to allocate to read, the default is ~16KiB, which is * the maximum size that Deno operations can currently support. */ chunkSize?: number;
/** The queuing strategy to create the `ReadableStream` with. */ strategy?: { highWaterMark?: number | undefined; size?: undefined };}
/** * Create a {@linkcode ReadableStream} of {@linkcode Uint8Array}s from a * {@linkcode Reader}. * * When the pull algorithm is called on the stream, a chunk from the reader * will be read. When `null` is returned from the reader, the stream will be * closed along with the reader (if it is also a `Closer`). * * An example converting a `Deno.FsFile` into a readable stream: * * ```ts * import { readableStreamFromReader } from "https://deno.land/std@$STD_VERSION/streams/readable_stream_from_reader.ts"; * * const file = await Deno.open("./file.txt", { read: true }); * const fileStream = readableStreamFromReader(file); * ``` * * @deprecated This will be removed in 1.0.0. Use {@linkcode toReadableStream} instead. */export function readableStreamFromReader( reader: Reader | (Reader & Closer), options: ReadableStreamFromReaderOptions = {},): ReadableStream<Uint8Array> { return toReadableStream(reader, options);}
std

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Tagged at
6 months ago