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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import {  assertArgs,  lastPathSegment,  stripSuffix,} from "../_common/basename.ts";import { CHAR_COLON } from "../_common/constants.ts";import { stripTrailingSeparators } from "../_common/strip_trailing_separators.ts";import { isPathSeparator, isWindowsDeviceRoot } from "./_util.ts";
/** * Return the last portion of a `path`. * Trailing directory separators are ignored, and optional suffix is removed. * * @example * ```ts * import { basename } from "https://deno.land/std@$STD_VERSION/path/basename.ts"; * * basename("C:\\user\\Documents\\"); // "Documents" * basename("C:\\user\\Documents\\image.png"); // "image.png" * basename("C:\\user\\Documents\\image.png", ".png"); // "image" * ``` * * @param path - path to extract the name from. * @param [suffix] - suffix to remove from extracted name. */export function basename(path: string, suffix = ""): string {  assertArgs(path, suffix);
  // Check for a drive letter prefix so as not to mistake the following  // path separator as an extra separator at the end of the path that can be  // disregarded  let start = 0;  if (path.length >= 2) {    const drive = path.charCodeAt(0);    if (isWindowsDeviceRoot(drive)) {      if (path.charCodeAt(1) === CHAR_COLON) start = 2;    }  }
  const lastSegment = lastPathSegment(path, isPathSeparator, start);  const strippedSegment = stripTrailingSeparators(lastSegment, isPathSeparator);  return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment;}