alacritty-theme-switch
Version:
CLI utility for switching Alacritty color themes
103 lines (102 loc) • 3.29 kB
JavaScript
// Copyright 2018-2025 the Deno authors. MIT license.
import * as dntShim from "../../../../../_dnt.shims.js";
import { getFileInfoType } from "./_get_file_info_type.js";
/**
* Asynchronously ensures that the directory exists, like
* {@linkcode https://www.ibm.com/docs/en/aix/7.3?topic=m-mkdir-command#mkdir__row-d3e133766 | mkdir -p}.
*
* If the directory already exists, this function does nothing. If the directory
* does not exist, it is created.
*
* Requires `--allow-read` and `--allow-write` permissions.
*
* @see {@link https://docs.deno.com/runtime/manual/basics/permissions#file-system-access}
* for more information on Deno's permissions system.
*
* @param dir The path of the directory to ensure, as a string or URL.
*
* @returns A promise that resolves once the directory exists.
*
* @example Usage
* ```ts ignore
* import { ensureDir } from "@std/fs/ensure-dir";
*
* await ensureDir("./bar");
* ```
*/
export async function ensureDir(dir) {
try {
const fileInfo = await dntShim.Deno.stat(dir);
throwIfNotDirectory(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 stat 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.stat(dir);
throwIfNotDirectory(fileInfo);
}
}
/**
* Synchronously ensures that the directory exists, like
* {@linkcode https://www.ibm.com/docs/en/aix/7.3?topic=m-mkdir-command#mkdir__row-d3e133766 | mkdir -p}.
*
* If the directory already exists, this function does nothing. If the directory
* does not exist, it is created.
*
* Requires `--allow-read` and `--allow-write` permissions.
*
* @see {@link https://docs.deno.com/runtime/manual/basics/permissions#file-system-access}
* for more information on Deno's permissions system.
*
* @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 Usage
* ```ts ignore
* import { ensureDirSync } from "@std/fs/ensure-dir";
*
* ensureDirSync("./bar");
* ```
*/
export function ensureDirSync(dir) {
try {
const fileInfo = dntShim.Deno.statSync(dir);
throwIfNotDirectory(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 stat again.
try {
dntShim.Deno.mkdirSync(dir, { recursive: true });
}
catch (err) {
if (!(err instanceof dntShim.Deno.errors.AlreadyExists)) {
throw err;
}
const fileInfo = dntShim.Deno.statSync(dir);
throwIfNotDirectory(fileInfo);
}
}
function throwIfNotDirectory(fileInfo) {
if (!fileInfo.isDirectory) {
throw new Error(`Failed to ensure directory exists: expected 'dir', got '${getFileInfoType(fileInfo)}'`);
}
}