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std/node/_fs/_fs_exists.ts

Deno standard library
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// Copyright 2018-2020 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); }) .catch(() => 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; }}