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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,
ErrorKind
} = 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 = await readDir(dir);
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 as Deno.DenoError<Deno.ErrorKind>).kind !== ErrorKind.NotFound) {
throw err;
}
// if not exist. then create it
await mkdir(dir, 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 as Deno.DenoError<Deno.ErrorKind>).kind !== ErrorKind.NotFound) {
throw err;
}
// if not exist. then create it
mkdirSync(dir, true);
return;
}
}
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