/
_fs_exists.ts
31 lines (28 loc) · 998 Bytes
/
_fs_exists.ts
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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import { fromFileUrl } from "../path.ts";
type ExitsCallback = (exists: boolean) => void;
/**
* TODO: Also accept 'path' parameter as a Node polyfill Buffer type once these
* are implemented. See https://github.com/denoland/deno/issues/3403
* Deprecated in node api
*/
export function exists(path: string | URL, callback: ExitsCallback): void {
path = path instanceof URL ? fromFileUrl(path) : path;
Deno.lstat(path).then(() => callback(true), () => callback(false));
}
/**
* TODO: Also accept 'path' parameter as a Node polyfill Buffer or URL type once these
* are implemented. See https://github.com/denoland/deno/issues/3403
*/
export function existsSync(path: string | URL): boolean {
path = path instanceof URL ? fromFileUrl(path) : path;
try {
Deno.lstatSync(path);
return true;
} catch (err) {
if (err instanceof Deno.errors.NotFound) {
return false;
}
throw err;
}
}