std/streams/mod.ts

Deno standard library
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function writeAll
import { writeAll } from "https://deno.land/std@0.147.0/streams/mod.ts?s=writeAll";

Write all the content of the array buffer (arr) to the writer (w).

import { Buffer } from "../io/buffer.ts";
import { writeAll } from "./conversion.ts";

// Example writing to stdout
let contentBytes = new TextEncoder().encode("Hello World");
await writeAll(Deno.stdout, contentBytes);

// Example writing to file
contentBytes = new TextEncoder().encode("Hello World");
const file = await Deno.open('test.file', {write: true});
await writeAll(file, contentBytes);
Deno.close(file.rid);

// Example writing to buffer
contentBytes = new TextEncoder().encode("Hello World");
const writer = new Buffer();
await writeAll(writer, contentBytes);
console.log(writer.bytes().length);  // 11

Parameters

w: Deno.Writer[src]
arr: Uint8Array[src]