73 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| # union-value [](https://www.npmjs.com/package/union-value) [](https://npmjs.org/package/union-value)  [](https://npmjs.org/package/union-value) [](https://travis-ci.org/jonschlinkert/union-value)
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| 
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| > Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.
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| 
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| ## Install
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| 
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| Install with [npm](https://www.npmjs.com/):
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| 
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| ```sh
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| $ npm install --save union-value
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| ```
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| 
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| ## Usage
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| 
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| ```js
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| var union = require('union-value');
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| 
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| var obj = {};
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| 
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| union(obj, 'a.b.c', ['one', 'two']);
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| union(obj, 'a.b.c', ['three']);
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| 
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| console.log(obj);
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| //=> {a: {b: {c: [ 'one', 'two', 'three' ] }}}
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| ```
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| 
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| ## About
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| 
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| ### Related projects
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| 
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| * [assign-value](https://www.npmjs.com/package/assign-value): Assign a value or extend a deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/assign-value) | [homepage](https://github.com/jonschlinkert/assign-value "Assign a value or extend a deeply nested property of an object using object path notation.")
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| * [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.")
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| * [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.")
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| * [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.")
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| * [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.")
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| 
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| ### Contributing
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| 
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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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| 
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| ### Building docs
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| 
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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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| 
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| To generate the readme, run the following command:
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| 
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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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| 
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| ### Running tests
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| 
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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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| 
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| ```sh
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| $ npm install && npm test
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| ```
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| 
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| ### Author
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| 
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| **Jon Schlinkert**
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| 
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| * [github/jonschlinkert](https://github.com/jonschlinkert)
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| * [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
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| 
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| ### License
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| 
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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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| ***
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| 
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| _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.4.2, on February 25, 2017._ |