std/path/parse.ts

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

import { isWindows } from "./_os.ts";
import type { ParsedPath } from "./types.ts";
import { parse as posixParse } from "./posix/parse.ts";
import { parse as windowsParse } from "./windows/parse.ts";

export type { ParsedPath } from "./types.ts";

/**
 * Return an object containing the parsed components of the path.
 *
 * Use {@linkcode https://jsr.io/@std/path/doc/~/format | format()} to reverse
 * the result.
 *
 * @example Usage
 * ```ts
 * import { parse } from "@std/path/parse";
 * import { assertEquals } from "@std/assert";
 *
 * if (Deno.build.os === "windows") {
 *   const parsedPathObj = parse("C:\\path\\to\\script.ts");
 *   assertEquals(parsedPathObj.root, "C:\\");
 *   assertEquals(parsedPathObj.dir, "C:\\path\\to");
 *   assertEquals(parsedPathObj.base, "script.ts");
 *   assertEquals(parsedPathObj.ext, ".ts");
 *   assertEquals(parsedPathObj.name, "script");
 * } else {
 *   const parsedPathObj = parse("/path/to/dir/script.ts");
 *   parsedPathObj.root; // "/"
 *   parsedPathObj.dir; // "/path/to/dir"
 *   parsedPathObj.base; // "script.ts"
 *   parsedPathObj.ext; // ".ts"
 *   parsedPathObj.name; // "script"
 * }
 * ```
 *
 * @param path Path to process
 * @returns An object with the parsed path components.
 */
export function parse(path: string): ParsedPath {
  return isWindows ? windowsParse(path) : posixParse(path);
}