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Module

std/bytes/concat.ts

The Deno Standard Library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** * Concatenate an array of {@linkcode Uint8Array}s. * * @example * ```ts * import { concat } from "https://deno.land/std@$STD_VERSION/bytes/concat.ts"; * * const a = new Uint8Array([0, 1, 2]); * const b = new Uint8Array([3, 4, 5]); * concat([a, b]); // Uint8Array(6) [ 0, 1, 2, 3, 4, 5 ] * ``` */export function concat(buf: Uint8Array[]): Uint8Array { let length = 0; for (const b of buf) { length += b.length; } const output = new Uint8Array(length); let index = 0; for (const b of buf) { output.set(b, index); index += b.length; }
return output;}