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Module

std/fs/ensure_dir.ts

Deno standard library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { getFileInfoType } from "./_get_file_info_type.ts";
/** * Ensures that the directory exists. * If the directory structure does not exist, it is created. Like mkdir -p. * Requires the `--allow-read` and `--allow-write` flag. * * @example * ```ts * import { ensureDir } from "https://deno.land/std@$STD_VERSION/fs/mod.ts"; * * ensureDir("./bar"); // returns a promise * ``` */export async function ensureDir(dir: string | URL) { try { const fileInfo = await Deno.lstat(dir); if (!fileInfo.isDirectory) { throw new Error( `Ensure path exists, expected 'dir', got '${ getFileInfoType(fileInfo) }'`, ); } return; } catch (err) { if (!(err instanceof Deno.errors.NotFound)) { throw err; } }
// The dir doesn't exist. Create it. // This can be racy. So we catch AlreadyExists and check lstat again. try { await Deno.mkdir(dir, { recursive: true }); } catch (err) { if (!(err instanceof Deno.errors.AlreadyExists)) { throw err; }
const fileInfo = await Deno.lstat(dir); if (!fileInfo.isDirectory) { throw new Error( `Ensure path exists, expected 'dir', got '${ getFileInfoType(fileInfo) }'`, ); } }}
/** * Ensures that the directory exists. * If the directory structure does not exist, it is created. Like mkdir -p. * Requires the `--allow-read` and `--allow-write` flag. * * @example * ```ts * import { ensureDirSync } from "https://deno.land/std@$STD_VERSION/fs/mod.ts"; * * ensureDirSync("./ensureDirSync"); // void * ``` */export function ensureDirSync(dir: string | URL) { try { const fileInfo = Deno.lstatSync(dir); if (!fileInfo.isDirectory) { throw new Error( `Ensure path exists, expected 'dir', got '${ getFileInfoType(fileInfo) }'`, ); } return; } catch (err) { if (!(err instanceof Deno.errors.NotFound)) { throw err; } }
// The dir doesn't exist. Create it. // This can be racy. So we catch AlreadyExists and check lstat again. try { Deno.mkdirSync(dir, { recursive: true }); } catch (err) { if (!(err instanceof Deno.errors.AlreadyExists)) { throw err; }
const fileInfo = Deno.lstatSync(dir); if (!fileInfo.isDirectory) { throw new Error( `Ensure path exists, expected 'dir', got '${ getFileInfoType(fileInfo) }'`, ); } }}