Acme.BookStore.HttpApi.Host/node_modules/readdirp/node_modules/is-data-descriptor/README.md
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# is-data-descriptor [](https://www.npmjs.com/package/is-data-descriptor) [](https://npmjs.org/package/is-data-descriptor) [](https://npmjs.org/package/is-data-descriptor) [](https://travis-ci.org/jonschlinkert/is-data-descriptor)
> Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save is-data-descriptor
```
## Usage
```js
var isDataDesc = require('is-data-descriptor');
```
## Examples
`true` when the descriptor has valid properties with valid values.
```js
// `value` can be anything
isDataDesc({value: 'foo'})
isDataDesc({value: function() {}})
isDataDesc({value: true})
//=> true
```
`false` when not an object
```js
isDataDesc('a')
//=> false
isDataDesc(null)
//=> false
isDataDesc([])
//=> false
```
`false` when the object has invalid properties
```js
isDataDesc({value: 'foo', bar: 'baz'})
//=> false
isDataDesc({value: 'foo', bar: 'baz'})
//=> false
isDataDesc({value: 'foo', get: function(){}})
//=> false
isDataDesc({get: function(){}, value: 'foo'})
//=> false
```
`false` when a value is not the correct type
```js
isDataDesc({value: 'foo', enumerable: 'foo'})
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