Acme.BookStore.HttpApi.Host/node_modules/is-valid-glob/README.md
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# is-valid-glob [](https://www.npmjs.com/package/is-valid-glob) [](https://npmjs.org/package/is-valid-glob) [](https://npmjs.org/package/is-valid-glob) [](https://travis-ci.org/jonschlinkert/is-valid-glob)
> Return true if a value is a valid glob pattern or patterns.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save is-valid-glob
```
## Usage
This really just checks to make sure that a pattern is either a string or array, and if it's an array it's either empty or consists of only strings.
```js
var isValidGlob = require('is-valid-glob');
isValidGlob('foo/*.js');
//=> true
```
**Valid patterns**
```js
isValidGlob('a');
isValidGlob('a.js');
isValidGlob('*.js');
isValidGlob(['a', 'b']);
//=> all true
```
**Invalid patterns**
```js
isValidGlob();
isValidGlob('');
isValidGlob(null);
isValidGlob(undefined);
isValidGlob(new Buffer('foo'));
isValidGlob(['foo', [[]]]);
isValidGlob(['foo', [['bar']]]);
isValidGlob(['foo', {}]);
isValidGlob({});
isValidGlob([]);
isValidGlob(['']);
//=> all false
```
## About
### Related projects
* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "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 bet")
* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/micromatch/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.")
* [vinyl-fs](https://www.npmjs.com/package/vinyl-fs): Vinyl adapter for the file system | [homepage](http://github.com/wearefractal/vinyl-fs "Vinyl adapter for the file system")
* [vinyl](https://www.npmjs.com/package/vinyl): Virtual file format. | [homepage](https://github.com/gulpjs/vinyl#readme "Virtual file format.")
### Contributing
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