# mixin-deep [![NPM version](https://img.shields.io/npm/v/mixin-deep.svg?style=flat)](https://www.npmjs.com/package/mixin-deep) [![NPM monthly downloads](https://img.shields.io/npm/dm/mixin-deep.svg?style=flat)](https://npmjs.org/package/mixin-deep)  [![NPM total downloads](https://img.shields.io/npm/dt/mixin-deep.svg?style=flat)](https://npmjs.org/package/mixin-deep) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/mixin-deep.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/mixin-deep)

> Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.

## Install

Install with [npm](https://www.npmjs.com/):

```sh
$ npm install --save mixin-deep
```

## Usage

```js
var mixinDeep = require('mixin-deep');

mixinDeep({a: {aa: 'aa'}}, {a: {bb: 'bb'}}, {a: {cc: 'cc'}});
//=> { a: { aa: 'aa', bb: 'bb', cc: 'cc' } }
```

## About

### Related projects

* [defaults-deep](https://www.npmjs.com/package/defaults-deep): Like `extend` but recursively copies only the missing properties/values to the target object. | [homepage](https://github.com/jonschlinkert/defaults-deep "Like `extend` but recursively copies only the missing properties/values to the target object.")
* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow "Extend an object with the properties of additional objects. node.js/javascript util.")
* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep "Recursively merge values in a javascript object.")
* [mixin-object](https://www.npmjs.com/package/mixin-object): Mixin the own and inherited properties of other objects onto the first object. Pass an… [more](https://github.com/jonschlinkert/mixin-object) | [homepage](https://github.com/jonschlinkert/mixin-object "Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.")

### Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).

### Building docs

_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_

To generate the readme, run the following command:

```sh
$ npm install -g verbose/verb#dev verb-generate-readme && verb
```

### Running tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

```sh
$ npm install && npm test
```

### Author

**Jon Schlinkert**

* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)

### License

Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT License](LICENSE).

***

_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on March 02, 2017._