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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { concat } from "../bytes/concat.ts";import { DEFAULT_CHUNK_SIZE } from "./_constants.ts";import type { Reader, ReaderSync } from "./types.ts";
/** * Read {@linkcode Reader} `r` until EOF (`null`) and resolve to the content as * {@linkcode Uint8Array}. * * @example * ```ts * import { readAll } from "https://deno.land/std@$STD_VERSION/io/read_all.ts"; * * // Example from stdin * const stdinContent = await readAll(Deno.stdin); * * // Example from file * using file = await Deno.open("my_file.txt", {read: true}); * const myFileContent = await readAll(file); * ``` */export async function readAll(reader: Reader): Promise<Uint8Array> {  const chunks: Uint8Array[] = [];  while (true) {    let chunk = new Uint8Array(DEFAULT_CHUNK_SIZE);    const n = await reader.read(chunk);    if (n === null) {      break;    }    if (n < DEFAULT_CHUNK_SIZE) {      chunk = chunk.subarray(0, n);    }    chunks.push(chunk);  }  return concat(chunks);}
/** * Synchronously reads {@linkcode ReaderSync} `r` until EOF (`null`) and returns * the content as {@linkcode Uint8Array}. * * @example * ```ts * import { readAllSync } from "https://deno.land/std@$STD_VERSION/io/read_all.ts"; * * // Example from stdin * const stdinContent = readAllSync(Deno.stdin); * * // Example from file * using file = Deno.openSync("my_file.txt", {read: true}); * const myFileContent = readAllSync(file); * ``` */export function readAllSync(reader: ReaderSync): Uint8Array {  const chunks: Uint8Array[] = [];  while (true) {    const chunk = new Uint8Array(DEFAULT_CHUNK_SIZE);    const n = reader.readSync(chunk);    if (n === null) {      break;    }    if (n < DEFAULT_CHUNK_SIZE) {      chunks.push(chunk.subarray(0, n));      break;    }    chunks.push(chunk);  }  return concat(chunks);}