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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import type { CallbackWithError } from "./_fs_common.ts";import { fromFileUrl } from "../path.ts";
const allowedModes = /^[0-7]{3}/;
/** * TODO: Also accept 'path' parameter as a Node polyfill Buffer type once these * are implemented. See https://github.com/denoland/deno/issues/3403 */export function chmod(  path: string | URL,  mode: string | number,  callback: CallbackWithError,): void {  path = path instanceof URL ? fromFileUrl(path) : path;
  Deno.chmod(path, getResolvedMode(mode))    .then(() => callback())    .catch(callback);}
/** * TODO: Also accept 'path' parameter as a Node polyfill Buffer type once these * are implemented. See https://github.com/denoland/deno/issues/3403 */export function chmodSync(path: string | URL, mode: string | number): void {  path = path instanceof URL ? fromFileUrl(path) : path;  Deno.chmodSync(path, getResolvedMode(mode));}
function getResolvedMode(mode: string | number): number {  if (typeof mode === "number") {    return mode;  }
  if (typeof mode === "string" && !allowedModes.test(mode)) {    throw new Error("Unrecognized mode: " + mode);  }
  return parseInt(mode, 8);}