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std/fs/empty_dir.ts

Deno standard library
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { join } from "../path/mod.ts";const { readdir, readdirSync, mkdir, mkdirSync, remove, removeSync } = Deno;/** * 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 `--alow-write` flag. */export async function emptyDir(dir: string): Promise<void> { try { const items = []; for await (const dirEntry of readdir(dir)) { items.push(dirEntry); }
while (items.length) { const item = items.shift(); if (item && item.name) { const filepath = join(dir, item.name); await remove(filepath, { recursive: true }); } } } catch (err) { if (!(err instanceof Deno.errors.NotFound)) { throw err; }
// if not exist. then create it await 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 `--alow-write` flag. */export function emptyDirSync(dir: string): void { try { const items = [...readdirSync(dir)];
// if directory already exist. then remove it's child item. while (items.length) { const item = items.shift(); if (item && item.name) { const filepath = join(dir, item.name); removeSync(filepath, { recursive: true }); } } } catch (err) { if (!(err instanceof Deno.errors.NotFound)) { throw err; } // if not exist. then create it mkdirSync(dir, { recursive: true }); return; }}