// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.

import { isWindows } from "./_os.ts";
import { relative as posixRelative } from "./posix/relative.ts";
import { relative as windowsRelative } from "./windows/relative.ts";

/**
 * Return the relative path from `from` to `to` based on current working directory.
 *
 * An example in windws, for instance:
 *  from = 'C:\\orandea\\test\\aaa'
 *  to = 'C:\\orandea\\impl\\bbb'
 * The output of the function should be: '..\\..\\impl\\bbb'
 *
 * @param from path in current working directory
 * @param to path in current working directory
 */
export function relative(from: string, to: string): string {
  return isWindows ? windowsRelative(from, to) : posixRelative(from, to);
}