85 lines
2.5 KiB
Markdown
85 lines
2.5 KiB
Markdown
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# object.defaults [](https://www.npmjs.com/package/object.defaults) [](https://npmjs.org/package/object.defaults) [](https://npmjs.org/package/object.defaults) [](https://travis-ci.org/jonschlinkert/object.defaults)
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> Like `extend` but only copies missing properties/values to the target object.
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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 install --save object.defaults
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```
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Install with [bower](https://bower.io/)
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```sh
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$ bower install object.defaults --save
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```
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## Usage
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```js
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var defaults = require('object.defaults');
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var obj = {a: 'c'};
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defaults(obj, {a: 'bbb', d: 'c'});
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console.log(obj);
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//=> {a: 'c', d: 'c'}
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```
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Or immutable defaulting:
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```js
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var defaults = require('object.defaults/immutable');
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var obj = {a: 'c'};
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var defaulted = defaults(obj, {a: 'bbb', d: 'c'});
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console.log(obj !== defaulted);
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//=> true
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```
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## About
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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](../../issues/new).
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### Contributors
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| **Commits** | **Contributor** |
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| --- | --- |
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| 16 | [jonschlinkert](https://github.com/jonschlinkert) |
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| 1 | [phated](https://github.com/phated) |
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| 1 | [sobolevn](https://github.com/sobolevn) |
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### Building docs
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_(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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To generate the readme, run the following command:
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```sh
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$ npm install -g verbose/verb#dev verb-generate-readme && verb
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```
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### Running tests
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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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```sh
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$ npm install && npm test
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```
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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](https://twitter.com/jonschlinkert)
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### License
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Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT License](LICENSE).
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***
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_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.5.0, on April 26, 2017._
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