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std/streams/read_all.ts

Deno standard library
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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import { Buffer } from "../io/buffer.ts";
/** Read Reader `r` until EOF (`null`) and resolve to the content as * Uint8Array`. * * ```ts * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts"; * import { readAll } from "https://deno.land/std@$STD_VERSION/streams/read_all.ts"; * * // Example from stdin * const stdinContent = await readAll(Deno.stdin); * * // Example from file * const file = await Deno.open("my_file.txt", {read: true}); * const myFileContent = await readAll(file); * file.close(); * * // Example from buffer * const myData = new Uint8Array(100); * // ... fill myData array with data * const reader = new Buffer(myData.buffer); * const bufferContent = await readAll(reader); * ``` */export async function readAll(r: Deno.Reader): Promise<Uint8Array> { const buf = new Buffer(); await buf.readFrom(r); return buf.bytes();}
/** Synchronously reads Reader `r` until EOF (`null`) and returns the content * as `Uint8Array`. * * ```ts * import { Buffer } from "https://deno.land/std@$STD_VERSION/io/buffer.ts"; * import { readAllSync } from "https://deno.land/std@$STD_VERSION/streams/read_all.ts"; * * // Example from stdin * const stdinContent = readAllSync(Deno.stdin); * * // Example from file * const file = Deno.openSync("my_file.txt", {read: true}); * const myFileContent = readAllSync(file); * file.close(); * * // Example from buffer * const myData = new Uint8Array(100); * // ... fill myData array with data * const reader = new Buffer(myData.buffer); * const bufferContent = readAllSync(reader); * ``` */export function readAllSync(r: Deno.ReaderSync): Uint8Array { const buf = new Buffer(); buf.readFromSync(r); return buf.bytes();}