2025-01-27 15:53:20 +03:00

29 lines
912 B
TypeScript

// 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 { stripTrailingSeparators } from "./../_common/strip_trailing_separators.ts";
import { isPosixPathSeparator } from "./_util.ts";
/**
* Return the last portion of a `path`.
* Trailing directory separators are ignored, and optional suffix is removed.
*
* @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);
const lastSegment = lastPathSegment(path, isPosixPathSeparator);
const strippedSegment = stripTrailingSeparators(
lastSegment,
isPosixPathSeparator,
);
return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment;
}