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73 lines
3.6 KiB
73 lines
3.6 KiB
# 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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> 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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## Install |
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Install with [npm](https://www.npmjs.com/): |
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```sh |
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$ npm install --save union-value |
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``` |
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## Usage |
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```js |
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var union = require('union-value'); |
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var obj = {}; |
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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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console.log(obj); |
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//=> {a: {b: {c: [ 'one', 'two', 'three' ] }}} |
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``` |
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## About |
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### Related projects |
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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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### 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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### 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), v0.4.2, on February 25, 2017._ |