// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
import { assertArg } from "../_common/from_file_url.js";
/**
 * Converts a file URL to a path string.
 *
 * @example Usage
 * ```ts
 * import { fromFileUrl } from "@std/path/windows/from-file-url";
 * import { assertEquals } from "@std/assert";
 *
 * assertEquals(fromFileUrl("file:///home/foo"), "\\home\\foo");
 * assertEquals(fromFileUrl("file:///C:/Users/foo"), "C:\\Users\\foo");
 * assertEquals(fromFileUrl("file://localhost/home/foo"), "\\home\\foo");
 * ```
 *
 * @param url The file URL to convert.
 * @returns The path string.
 */
export function fromFileUrl(url) {
    url = assertArg(url);
    let path = decodeURIComponent(url.pathname.replace(/\//g, "\\").replace(/%(?![0-9A-Fa-f]{2})/g, "%25")).replace(/^\\*([A-Za-z]:)(\\|$)/, "$1\\");
    if (url.hostname !== "") {
        // Note: The `URL` implementation guarantees that the drive letter and
        // hostname are mutually exclusive. Otherwise it would not have been valid
        // to append the hostname and path like this.
        path = `\\\\${url.hostname}${path}`;
    }
    return path;
}
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