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138 lines
4.5 KiB
Markdown
138 lines
4.5 KiB
Markdown
<p align="center">
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<a href="https://gulpjs.com">
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<img height="257" width="114" src="https://raw.githubusercontent.com/gulpjs/artwork/master/gulp-2x.png">
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</a>
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</p>
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# glob-parent
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[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Azure Pipelines Build Status][azure-pipelines-image]][azure-pipelines-url] [![Travis Build Status][travis-image]][travis-url] [![AppVeyor Build Status][appveyor-image]][appveyor-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url]
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Extract the non-magic parent path from a glob string.
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## Usage
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```js
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var globParent = require('glob-parent');
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globParent('path/to/*.js'); // 'path/to'
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globParent('/root/path/to/*.js'); // '/root/path/to'
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globParent('/*.js'); // '/'
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globParent('*.js'); // '.'
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globParent('**/*.js'); // '.'
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globParent('path/{to,from}'); // 'path'
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globParent('path/!(to|from)'); // 'path'
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globParent('path/?(to|from)'); // 'path'
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globParent('path/+(to|from)'); // 'path'
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globParent('path/*(to|from)'); // 'path'
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globParent('path/@(to|from)'); // 'path'
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globParent('path/**/*'); // 'path'
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// if provided a non-glob path, returns the nearest dir
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globParent('path/foo/bar.js'); // 'path/foo'
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globParent('path/foo/'); // 'path/foo'
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globParent('path/foo'); // 'path' (see issue #3 for details)
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```
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## API
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### `globParent(maybeGlobString, [options])`
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Takes a string and returns the part of the path before the glob begins. Be aware of Escaping rules and Limitations below.
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#### options
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```js
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{
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// Disables the automatic conversion of slashes for Windows
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flipBackslashes: true
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}
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```
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## Escaping
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The following characters have special significance in glob patterns and must be escaped if you want them to be treated as regular path characters:
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- `?` (question mark) unless used as a path segment alone
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- `*` (asterisk)
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- `|` (pipe)
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- `(` (opening parenthesis)
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- `)` (closing parenthesis)
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- `{` (opening curly brace)
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- `}` (closing curly brace)
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- `[` (opening bracket)
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- `]` (closing bracket)
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**Example**
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```js
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globParent('foo/[bar]/') // 'foo'
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globParent('foo/\\[bar]/') // 'foo/[bar]'
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```
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## Limitations
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### Braces & Brackets
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This library attempts a quick and imperfect method of determining which path
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parts have glob magic without fully parsing/lexing the pattern. There are some
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advanced use cases that can trip it up, such as nested braces where the outer
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pair is escaped and the inner one contains a path separator. If you find
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yourself in the unlikely circumstance of being affected by this or need to
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ensure higher-fidelity glob handling in your library, it is recommended that you
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pre-process your input with [expand-braces] and/or [expand-brackets].
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### Windows
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Backslashes are not valid path separators for globs. If a path with backslashes
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is provided anyway, for simple cases, glob-parent will replace the path
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separator for you and return the non-glob parent path (now with
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forward-slashes, which are still valid as Windows path separators).
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This cannot be used in conjunction with escape characters.
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```js
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// BAD
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globParent('C:\\Program Files \\(x86\\)\\*.ext') // 'C:/Program Files /(x86/)'
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// GOOD
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globParent('C:/Program Files\\(x86\\)/*.ext') // 'C:/Program Files (x86)'
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```
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If you are using escape characters for a pattern without path parts (i.e.
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relative to `cwd`), prefix with `./` to avoid confusing glob-parent.
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```js
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// BAD
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globParent('foo \\[bar]') // 'foo '
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globParent('foo \\[bar]*') // 'foo '
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// GOOD
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globParent('./foo \\[bar]') // 'foo [bar]'
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globParent('./foo \\[bar]*') // '.'
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```
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## License
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ISC
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[expand-braces]: https://github.com/jonschlinkert/expand-braces
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[expand-brackets]: https://github.com/jonschlinkert/expand-brackets
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[downloads-image]: https://img.shields.io/npm/dm/glob-parent.svg
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[npm-url]: https://www.npmjs.com/package/glob-parent
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[npm-image]: https://img.shields.io/npm/v/glob-parent.svg
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[azure-pipelines-url]: https://dev.azure.com/gulpjs/gulp/_build/latest?definitionId=2&branchName=master
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[azure-pipelines-image]: https://dev.azure.com/gulpjs/gulp/_apis/build/status/glob-parent?branchName=master
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[travis-url]: https://travis-ci.org/gulpjs/glob-parent
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[travis-image]: https://img.shields.io/travis/gulpjs/glob-parent.svg?label=travis-ci
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[appveyor-url]: https://ci.appveyor.com/project/gulpjs/glob-parent
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[appveyor-image]: https://img.shields.io/appveyor/ci/gulpjs/glob-parent.svg?label=appveyor
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[coveralls-url]: https://coveralls.io/r/gulpjs/glob-parent
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[coveralls-image]: https://img.shields.io/coveralls/gulpjs/glob-parent/master.svg
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[gitter-url]: https://gitter.im/gulpjs/gulp
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[gitter-image]: https://badges.gitter.im/gulpjs/gulp.svg
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