12345678910111213141516171819202122232425262728293031323334353637383940414243
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { CHAR_COLON } from "./_constants.ts";import {  assertPath,  isPathSeparator,  isPosixPathSeparator,  isWindowsDeviceRoot,} from "./_util.ts";
/** * Verifies whether provided path is absolute * @param path to be verified as absolute */export function windowsIsAbsolute(path: string): boolean {  assertPath(path);
  const len = path.length;  if (len === 0) return false;
  const code = path.charCodeAt(0);  if (isPathSeparator(code)) {    return true;  } else if (isWindowsDeviceRoot(code)) {    // Possible device root
    if (len > 2 && path.charCodeAt(1) === CHAR_COLON) {      if (isPathSeparator(path.charCodeAt(2))) return true;    }  }  return false;}
/** * Verifies whether provided path is absolute * @param path to be verified as absolute */export function posixIsAbsolute(path: string): boolean {  assertPath(path);  return path.length > 0 && isPosixPathSeparator(path.charCodeAt(0));}