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76 lines
2.4 KiB
Markdown
76 lines
2.4 KiB
Markdown
# strip-dirs
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[](https://www.npmjs.com/package/strip-dirs)
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[](https://travis-ci.org/shinnn/node-strip-dirs)
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[](https://ci.appveyor.com/project/ShinnosukeWatanabe/node-strip-dirs)
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[](https://coveralls.io/r/shinnn/node-strip-dirs)
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[](https://david-dm.org/shinnn/node-strip-dirs)
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[](https://david-dm.org/shinnn/node-strip-dirs#info=devDependencies)
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Remove leading directory components from a path, like [tar(1)](http://linuxcommand.org/man_pages/tar1.html)'s `--strip-components` option
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```javascript
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const stripDirs = require('strip-dirs');
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stripDirs('foo/bar/baz', 1); //=> 'bar/baz'
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stripDirs('foo/bar/baz', 2); //=> 'baz'
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stripDirs('foo/bar/baz', 999); //=> 'baz'
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```
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## Installation
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[Use npm](https://docs.npmjs.com/cli/install).
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```
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npm install --save strip-dirs
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```
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## API
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```javascript
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const stripDirs = require('strip-dirs');
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```
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### stripDirs(*path*, *count* [, *option*])
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*path*: `String` (A relative path)
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*count*: `Number` (0, 1, 2, ...)
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*option*: `Object`
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Return: `String`
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It removes directory components from the beginning of the *path* by *count*.
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```javascript
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const stripDirs = require('strip-dirs');
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stripDirs('foo/bar', 1); //=> 'bar'
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stripDirs('foo/bar/baz', 2); //=> 'bar'
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stripDirs('foo/././/bar/./', 1); //=> 'bar'
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stripDirs('foo/bar', 0); //=> 'foo/bar'
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stripDirs('/foo/bar', 1) // throw an error because the path is an absolute path
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```
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If you want to remove all directory components certainly, use [`path.basename`](https://nodejs.org/api/path.html#path_path_basename_path_ext) instead of this module.
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#### option.disallowOverflow
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Type: `Boolean`
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Default: `false`
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By default, it keeps the last path component when path components are fewer than the *count*.
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If this option is enabled, it throws an error in this situation.
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```javascript
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stripDirs('foo/bar/baz', 9999); //=> 'baz'
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stripDirs('foo/bar/baz', 9999, {disallowOverflow: true}); // throws an range error
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```
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## License
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Copyright (c) 2014 - 2016 [Shinnosuke Watanabe](https://github.com/shinnn)
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Licensed under [the MIT License](./LICENSE).
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