33 lines
1.4 KiB
JavaScript
33 lines
1.4 KiB
JavaScript
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'use strict'
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var glob = require('glob')
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var path = require('path')
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function trueCasePathSync(fsPath) {
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// Normalize the path so as to resolve . and .. components.
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// !! As of Node v4.1.1, a path starting with ../ is NOT resolved relative
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// !! to the current dir, and glob.sync() below then fails.
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// !! When in doubt, resolve with fs.realPathSync() *beforehand*.
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var fsPathNormalized = path.normalize(fsPath)
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// OSX: HFS+ stores filenames in NFD (decomposed normal form) Unicode format,
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// so we must ensure that the input path is in that format first.
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if (process.platform === 'darwin') fsPathNormalized = fsPathNormalized.normalize('NFD')
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// !! Windows: Curiously, the drive component mustn't be part of a glob,
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// !! otherwise glob.sync() will invariably match nothing.
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// !! Thus, we remove the drive component and instead pass it in as the 'cwd'
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// !! (working dir.) property below.
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var pathRoot = path.parse(fsPathNormalized).root
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var noDrivePath = fsPathNormalized.slice(Math.max(pathRoot.length - 1, 0))
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// Perform case-insensitive globbing (on Windows, relative to the drive /
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// network share) and return the 1st match, if any.
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// Fortunately, glob() with nocase case-corrects the input even if it is
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// a *literal* path.
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return glob.sync(noDrivePath, { nocase: true, cwd: pathRoot })[0]
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}
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module.exports = trueCasePathSync
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