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std/bytes/ends_with.ts

Deno standard library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
/** Returns true if the suffix array appears at the end of the source array, * false otherwise. * * The complexity of this function is O(suffix.length). * * ```ts * import { endsWith } from "https://deno.land/std@$STD_VERSION/bytes/ends_with.ts"; * const source = new Uint8Array([0, 1, 2, 1, 2, 1, 2, 3]); * const suffix = new Uint8Array([1, 2, 3]); * console.log(endsWith(source, suffix)); // true * ``` */export function endsWith(source: Uint8Array, suffix: Uint8Array): boolean { for ( let srci = source.length - 1, sfxi = suffix.length - 1; sfxi >= 0; srci--, sfxi-- ) { if (source[srci] !== suffix[sfxi]) return false; } return true;}