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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { isWindows } from "./_os.ts";import { posixExtname, windowsExtname } from "./_extname.ts";/** * Return the extension of the `path` with leading period. * @param path with extension * @returns extension (ex. for `file.ts` returns `.ts`) */export function extname(path: string): string {  return isWindows ? windowsExtname(path) : posixExtname(path);}