@oazmi/build-tools
Version:
general deno build tool scripts which I practically use in all of my typescript repos
92 lines (91 loc) • 2.92 kB
JavaScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import * as dntShim from "../../../../../_dnt.shims.js";
import { getFileInfoType } from "./_get_file_info_type.js";
/**
* Asynchronously 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.
*
* @param dir The path of the directory to ensure, as a string or URL.
* @returns A promise that resolves once the directory exists.
*
* @example
* ```ts
* import { ensureDir } from "@std/fs/ensure-dir";
*
* await ensureDir("./bar");
* ```
*/
export async function ensureDir(dir) {
try {
const fileInfo = await dntShim.Deno.lstat(dir);
if (!fileInfo.isDirectory) {
throw new Error(`Ensure path exists, expected 'dir', got '${getFileInfoType(fileInfo)}'`);
}
return;
}
catch (err) {
if (!(err instanceof dntShim.Deno.errors.NotFound)) {
throw err;
}
}
// The dir doesn't exist. Create it.
// This can be racy. So we catch AlreadyExists and check lstat again.
try {
await dntShim.Deno.mkdir(dir, { recursive: true });
}
catch (err) {
if (!(err instanceof dntShim.Deno.errors.AlreadyExists)) {
throw err;
}
const fileInfo = await dntShim.Deno.lstat(dir);
if (!fileInfo.isDirectory) {
throw new Error(`Ensure path exists, expected 'dir', got '${getFileInfoType(fileInfo)}'`);
}
}
}
/**
* Synchronously 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.
*
* @param dir The path of the directory to ensure, as a string or URL.
* @returns A void value that returns once the directory exists.
*
* @example
* ```ts
* import { ensureDir } from "@std/fs/ensure-dir";
*
* await ensureDir("./bar");
* ```
*/
export function ensureDirSync(dir) {
try {
const fileInfo = dntShim.Deno.lstatSync(dir);
if (!fileInfo.isDirectory) {
throw new Error(`Ensure path exists, expected 'dir', got '${getFileInfoType(fileInfo)}'`);
}
return;
}
catch (err) {
if (!(err instanceof dntShim.Deno.errors.NotFound)) {
throw err;
}
}
// The dir doesn't exist. Create it.
// This can be racy. So we catch AlreadyExists and check lstat again.
try {
dntShim.Deno.mkdirSync(dir, { recursive: true });
}
catch (err) {
if (!(err instanceof dntShim.Deno.errors.AlreadyExists)) {
throw err;
}
const fileInfo = dntShim.Deno.lstatSync(dir);
if (!fileInfo.isDirectory) {
throw new Error(`Ensure path exists, expected 'dir', got '${getFileInfoType(fileInfo)}'`);
}
}
}