48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
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// Inlined version of `normalize-path` <https://github.com/jonschlinkert/normalize-path>
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// Copyright (c) 2014-2018, Jon Schlinkert.
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// Released under the MIT License.
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function normalizePathBase(path: string, stripTrailing?: boolean) {
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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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export function normalizePath(originalPath: string) {
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let normalized = normalizePathBase(originalPath)
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// Make sure Windows network share paths are normalized properly
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// They have to begin with two slashes or they won't resolve correctly
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if (
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originalPath.startsWith('\\\\') &&
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normalized.startsWith('/') &&
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!normalized.startsWith('//')
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) {
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return `/${normalized}`
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}
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return normalized
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}
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