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std/fs/_is_subdir.ts

The Deno Standard Library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// Copyright the Browserify authors. MIT License.
import { SEPARATOR } from "../path/constants.ts";import { toPathString } from "./_to_path_string.ts";
/** * Test whether or not `dest` is a sub-directory of `src` * @param src src file path * @param dest dest file path * @param sep path separator */export function isSubdir( src: string | URL, dest: string | URL, sep = SEPARATOR,): boolean { if (src === dest) { return false; } src = toPathString(src); const srcArray = src.split(sep); dest = toPathString(dest); const destArray = dest.split(sep); return srcArray.every((current, i) => destArray[i] === current);}