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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { join } from "../path/mod.ts";import { toPathString } from "./_util.ts";
/** * Ensures that a directory is empty. * Deletes directory contents if the directory 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. */export async function emptyDir(dir: string | URL) {  try {    const items = [];    for await (const dirEntry of Deno.readDir(dir)) {      items.push(dirEntry);    }
    while (items.length) {      const item = items.shift();      if (item && item.name) {        const filepath = join(toPathString(dir), item.name);        await 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 });  }}
/** * Ensures that a directory is empty. * Deletes directory contents if the directory 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. */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 });    return;  }}