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137 lines
4.5 KiB
137 lines
4.5 KiB
<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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