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105 lines
3.1 KiB
Markdown
105 lines
3.1 KiB
Markdown
6 years ago
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# is-glob [](http://badge.fury.io/js/is-glob) [](https://travis-ci.org/jonschlinkert/is-glob)
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> Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.
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Also take a look at [is-valid-glob](https://github.com/jonschlinkert/is-valid-glob) and [has-glob](https://github.com/jonschlinkert/has-glob).
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## Install
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Install with [npm](https://www.npmjs.com/)
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```sh
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$ npm i is-glob --save
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```
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## Usage
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```js
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var isGlob = require('is-glob');
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```
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**True**
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Patterns that have glob characters or regex patterns will return `true`:
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```js
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isGlob('!foo.js');
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isGlob('*.js');
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isGlob('**/abc.js');
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isGlob('abc/*.js');
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isGlob('abc/(aaa|bbb).js');
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isGlob('abc/[a-z].js');
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isGlob('abc/{a,b}.js');
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isGlob('abc/?.js');
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//=> true
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```
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Extglobs
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```js
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isGlob('abc/@(a).js');
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isGlob('abc/!(a).js');
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isGlob('abc/+(a).js');
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isGlob('abc/*(a).js');
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isGlob('abc/?(a).js');
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//=> true
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```
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**False**
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Patterns that do not have glob patterns return `false`:
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```js
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isGlob('abc.js');
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isGlob('abc/def/ghi.js');
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isGlob('foo.js');
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isGlob('abc/@.js');
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isGlob('abc/+.js');
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isGlob();
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isGlob(null);
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//=> false
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```
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Arrays are also `false` (If you want to check if an array has a glob pattern, use [has-glob](https://github.com/jonschlinkert/has-glob)):
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```js
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isGlob(['**/*.js']);
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isGlob(['foo.js']);
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//=> false
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```
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## Related
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* [has-glob](https://www.npmjs.com/package/has-glob): Returns `true` if an array has a glob pattern. | [homepage](https://github.com/jonschlinkert/has-glob)
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* [is-extglob](https://www.npmjs.com/package/is-extglob): Returns true if a string has an extglob. | [homepage](https://github.com/jonschlinkert/is-extglob)
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* [is-posix-bracket](https://www.npmjs.com/package/is-posix-bracket): Returns true if the given string is a POSIX bracket expression (POSIX character class). | [homepage](https://github.com/jonschlinkert/is-posix-bracket)
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* [is-valid-glob](https://www.npmjs.com/package/is-valid-glob): Return true if a value is a valid glob pattern or patterns. | [homepage](https://github.com/jonschlinkert/is-valid-glob)
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* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. Just… [more](https://www.npmjs.com/package/micromatch) | [homepage](https://github.com/jonschlinkert/micromatch)
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## Run tests
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Install dev dependencies:
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```sh
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$ npm i -d && npm test
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```
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## Contributing
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/is-glob/issues/new).
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## Author
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**Jon Schlinkert**
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+ [github/jonschlinkert](https://github.com/jonschlinkert)
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+ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
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## License
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Copyright © 2015 Jon Schlinkert
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Released under the MIT license.
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***
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_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on October 02, 2015._
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