// unix absolute paths are also absolute on win32, so we use this for both
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const { isAbsolute, parse } = require('path').win32
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// returns [root, stripped]
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// Note that windows will think that //x/y/z/a has a "root" of //x/y, and in
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// those cases, we want to sanitize it to x/y/z/a, not z/a, so we strip /
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// explicitly if it's the first character.
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// drive-specific relative paths on Windows get their root stripped off even
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// though they are not absolute, so `c:../foo` becomes ['c:', '../foo']
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module.exports = path => {
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let r = ''
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let parsed = parse(path)
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while (isAbsolute(path) || parsed.root) {
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// windows will think that //x/y/z has a "root" of //x/y/
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// but strip the //?/C:/ off of //?/C:/path
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const root = path.charAt(0) === '/' && path.slice(0, 4) !== '//?/' ? '/'
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: parsed.root
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path = path.slice(root.length)
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r += root
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parsed = parse(path)
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}
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return [r, path]
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}
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