36 lines
1 KiB
JavaScript
36 lines
1 KiB
JavaScript
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/*!
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* normalize-path <https://github.com/jonschlinkert/normalize-path>
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*
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* Copyright (c) 2014-2018, Jon Schlinkert.
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* Released under the MIT License.
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*/
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module.exports = function(path, stripTrailing) {
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if (typeof path !== 'string') {
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throw new TypeError('expected path to be a string');
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}
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if (path === '\\' || path === '/') return '/';
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var len = path.length;
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if (len <= 1) return path;
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// ensure that win32 namespaces has two leading slashes, so that the path is
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// handled properly by the win32 version of path.parse() after being normalized
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// https://msdn.microsoft.com/library/windows/desktop/aa365247(v=vs.85).aspx#namespaces
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var prefix = '';
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if (len > 4 && path[3] === '\\') {
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var ch = path[2];
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if ((ch === '?' || ch === '.') && path.slice(0, 2) === '\\\\') {
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path = path.slice(2);
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prefix = '//';
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}
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}
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var segs = path.split(/[/\\]+/);
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if (stripTrailing !== false && segs[segs.length - 1] === '') {
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segs.pop();
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}
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return prefix + segs.join('/');
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};
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