Converts a file URL to a path string.

import { fromFileUrl } from "https://deno.land/std@0.224.0/path/from_file_url.ts";

// posix
fromFileUrl("file:///home/foo"); // "/home/foo"

// win32
fromFileUrl("file:///home/foo"); // "\\home\\foo"
fromFileUrl("file:///C:/Users/foo"); // "C:\\Users\\foo"
fromFileUrl("file://localhost/home/foo"); // "\\\\localhost\\home\\foo"