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53 lines
1.9 KiB
53 lines
1.9 KiB
2 years ago
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# true-case-path
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## Usage
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`trueCasePathSync(<fileSystemPath>)`
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## Description
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Given a possibly case-variant version of an existing filesystem path, returns
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the case-exact, normalized version as stored in the filesystem.
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If the input path is a globbing *pattern* as defined by the 'glob' npm
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package, only the 1st match, if any, is returned.
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Only a literal input path guarantees an unambiguous result.
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If no matching path exists, undefined is returned.
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On case-SENSITIVE filesystems, a match will also be found, but if case
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variations of a given path exist, it is undefined which match is returned.
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## Platforms
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Windows, OSX, and Linux (though note the limitations with case-insensitive filesystems).
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## Limitations
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- Paths starting with `'./'` are acceptable, but paths starting with `'../'`
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are not - when in doubt, resolve with `fs.realPathSync()` first.
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An initial `'.'` and *interior* `'..'` instances are normalized, but a relative
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input path still results in a relative output path. If you want to ensure
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an absolute output path, apply `fs.realPathSync()` to the result.
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- On Windows, no attempt is made to case-correct the drive letter or UNC-share
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component of the path.
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- Unicode support:
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- Be sure to use UTF8 source-code files (with a BOM on Windows)
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- On OSX, the input path is automatically converted to NFD Unicode form
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to match how the filesystem stores names, but note that the result will
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invariably be NFD too (which makes no difference for ASCII-characters-only
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names).
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## Examples
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```
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const trueCasePathSync = require('true-case-path')
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trueCasePathSync('/users/guest') // OSX: -> '/Users/Guest'
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trueCasePathSync('c:\\users\\all users') // Windows: -> 'c:\Users\All Users'
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```
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## Attribution
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The code for this project was sourced from [http://stackoverflow.com/a/33139702/45375](http://stackoverflow.com/a/33139702/45375)
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