29 lines
912 B
TypeScript
29 lines
912 B
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// This module is browser compatible.
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import {
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assertArgs,
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lastPathSegment,
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stripSuffix,
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} from "./../_common/basename.ts";
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import { stripTrailingSeparators } from "./../_common/strip_trailing_separators.ts";
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import { isPosixPathSeparator } from "./_util.ts";
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/**
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* Return the last portion of a `path`.
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* Trailing directory separators are ignored, and optional suffix is removed.
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*
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* @param path - path to extract the name from.
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* @param [suffix] - suffix to remove from extracted name.
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*/
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export function basename(path: string, suffix = ""): string {
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assertArgs(path, suffix);
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const lastSegment = lastPathSegment(path, isPosixPathSeparator);
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const strippedSegment = stripTrailingSeparators(
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lastSegment,
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isPosixPathSeparator,
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);
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return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment;
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}
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