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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { join } from "../path/join.ts";import { toPathString } from "./_to_path_string.ts";
/** * Asynchronously ensures that a directory is empty deletes the directory * contents it is not empty. If the directory does not exist, it is created. * The directory itself is not deleted. * * Requires the `--allow-read` and `--allow-write` flag. * * @param dir The path of the directory to empty, as a string or URL. * @returns A void promise that resolves once the directory is empty. * * @example * ```ts * import { emptyDir } from "https://deno.land/std@$STD_VERSION/fs/empty_dir.ts"; * * await emptyDir("./foo"); * ``` */export async function emptyDir(dir: string | URL) {  try {    const items = await Array.fromAsync(Deno.readDir(dir));
    await Promise.all(items.map((item) => {      if (item && item.name) {        const filepath = join(toPathString(dir), item.name);        return Deno.remove(filepath, { recursive: true });      }    }));  } catch (err) {    if (!(err instanceof Deno.errors.NotFound)) {      throw err;    }
    // if not exist. then create it    await Deno.mkdir(dir, { recursive: true });  }}
/** * Synchronously ensures that a directory is empty deletes the directory * contents it is not empty. If the directory does not exist, it is created. * The directory itself is not deleted. * * Requires the `--allow-read` and `--allow-write` flag. * * @param dir The path of the directory to empty, as a string or URL. * @returns A void value that returns once the directory is empty. * * @example * ```ts * import { emptyDirSync } from "https://deno.land/std@$STD_VERSION/fs/empty_dir.ts"; * * emptyDirSync("./foo"); * ``` */export function emptyDirSync(dir: string | URL) {  try {    const items = [...Deno.readDirSync(dir)];
    // If the directory exists, remove all entries inside it.    while (items.length) {      const item = items.shift();      if (item && item.name) {        const filepath = join(toPathString(dir), item.name);        Deno.removeSync(filepath, { recursive: true });      }    }  } catch (err) {    if (!(err instanceof Deno.errors.NotFound)) {      throw err;    }    // if not exist. then create it    Deno.mkdirSync(dir, { recursive: true });  }}