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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { posixIsAbsolute, windowsIsAbsolute } from "./_is_absolute.ts";
const WHITESPACE_ENCODINGS: Record<string, string> = {  "\u0009": "%09",  "\u000A": "%0A",  "\u000B": "%0B",  "\u000C": "%0C",  "\u000D": "%0D",  "\u0020": "%20",};
function encodeWhitespace(string: string): string {  return string.replaceAll(/[\s]/g, (c) => {    return WHITESPACE_ENCODINGS[c] ?? c;  });}
/** * Converts a path string to a file URL. * * ```ts * import { toFileUrl } from "https://deno.land/std@$STD_VERSION/path/posix.ts"; * * toFileUrl("/home/foo"); // new URL("file:///home/foo") * ``` * @param path to convert to file URL */export function posixToFileUrl(path: string) {  if (!posixIsAbsolute(path)) {    throw new TypeError("Must be an absolute path.");  }
  const url = new URL("file:///");  url.pathname = encodeWhitespace(    path.replace(/%/g, "%25").replace(/\\/g, "%5C"),  );  return url;}
/** * Converts a path string to a file URL. * * ```ts * import { toFileUrl } from "https://deno.land/std@$STD_VERSION/path/win32.ts"; * * toFileUrl("\\home\\foo"); // new URL("file:///home/foo") * toFileUrl("C:\\Users\\foo"); // new URL("file:///C:/Users/foo") * toFileUrl("\\\\127.0.0.1\\home\\foo"); // new URL("file://127.0.0.1/home/foo") * ``` * @param path to convert to file URL */export function windowsToFileUrl(path: string): URL {  if (!windowsIsAbsolute(path)) {    throw new TypeError("Must be an absolute path.");  }
  const [, hostname, pathname] = path.match(    /^(?:[/\\]{2}([^/\\]+)(?=[/\\](?:[^/\\]|$)))?(.*)/,  )!;  const url = new URL("file:///");  url.pathname = encodeWhitespace(pathname.replace(/%/g, "%25"));  if (hostname !== undefined && hostname !== "localhost") {    url.hostname = hostname;    if (!url.hostname) {      throw new TypeError("Invalid hostname.");    }  }  return url;}