| 1 | # mixin-deep [](https://www.npmjs.com/package/mixin-deep) [](https://npmjs.org/package/mixin-deep) [](https://npmjs.org/package/mixin-deep) [](https://travis-ci.org/jonschlinkert/mixin-deep)
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| 2 |
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| 3 | > Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone.
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| 4 |
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| 5 | Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
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| 6 |
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| 7 | ## Install
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| 8 |
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| 9 | Install with [npm](https://www.npmjs.com/):
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| 10 |
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| 11 | ```sh
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| 12 | $ npm install --save mixin-deep
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| 13 | ```
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| 14 |
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| 15 | ## Usage
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| 16 |
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| 17 | ```js
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| 18 | var mixinDeep = require('mixin-deep');
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| 19 |
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| 20 | mixinDeep({a: {aa: 'aa'}}, {a: {bb: 'bb'}}, {a: {cc: 'cc'}});
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| 21 | //=> { a: { aa: 'aa', bb: 'bb', cc: 'cc' } }
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| 22 | ```
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| 23 |
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| 24 | ## About
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| 25 |
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| 26 | <details>
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| 27 | <summary><strong>Contributing</strong></summary>
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| 28 |
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| 29 | Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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| 30 |
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| 31 | </details>
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| 32 |
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| 33 | <details>
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| 34 | <summary><strong>Running Tests</strong></summary>
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| 35 |
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| 36 | 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:
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| 37 |
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| 38 | ```sh
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| 39 | $ npm install && npm test
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| 40 | ```
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| 41 |
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| 42 | </details>
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| 43 | <details>
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| 44 | <summary><strong>Building docs</strong></summary>
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| 45 |
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| 46 | _(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.)_
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| 47 |
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| 48 | To generate the readme, run the following command:
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| 49 |
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| 50 | ```sh
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| 51 | $ npm install -g verbose/verb#dev verb-generate-readme && verb
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| 52 | ```
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| 53 |
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| 54 | </details>
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| 55 |
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| 56 | ### Related projects
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| 57 |
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| 58 | You might also be interested in these projects:
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| 59 |
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| 60 | * [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.")
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| 61 | * [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.")
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| 62 | * [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.")
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| 63 | * [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.")
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| 64 |
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| 65 | ### Author
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| 66 |
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| 67 | **Jon Schlinkert**
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| 68 |
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| 69 | * [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)
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| 70 | * [github/jonschlinkert](https://github.com/jonschlinkert)
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| 71 | * [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
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| 72 |
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| 73 | ### License
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| 74 |
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| 75 | Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
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| 76 | Released under the [MIT License](LICENSE).
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| 77 |
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| 78 | ***
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| 79 |
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| 80 | _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on December 09, 2017._ |
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