# union-value
> Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.
Latest version **2.0.1** (published 2019-06-20) · MIT license · 0 weekly downloads
## Install
```sh
npm install union-value
pnpm add union-value
yarn add union-value
bun add union-value
```
## Health
**Score 15/100 (F)** — status: abandoned.
Positive: no vulnerabilities.
Warnings: low downloads; no types; no esm support.
Negative: abandoned; low maintenance score.
## Facts
| | |
|---|---|
| Version | 2.0.1 |
| Published | 2019-06-20 |
| First published | 2015-07-04 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Node | >=6 |
| Dependencies | 2 |
| Unpacked size | 7.6 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 24 |
| Author | Jon Schlinkert |
| Maintainers | doowb, jonschlinkert |
| Keywords | array, dot, get, has, nested, notation, object, path, prop, property, set, union, value |
## Links
- npm: https://www.npmjs.com/package/union-value
- Repository: https://github.com/jonschlinkert/union-value
- Issues: https://github.com/jonschlinkert/union-value/issues
- npm.io page: https://npm.io/package/union-value
## Dependencies (2)
- [get-value](https://npm.io/package/get-value.md) ^3.0.1
- [set-value](https://npm.io/package/set-value.md) ^3.0.0
## Alternatives
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## Recent versions
- 2.0.1 (latest) — 2019-06-20
- 1.0.1 (patch) — 2019-06-24
- 2.0.0 — 2018-12-14
- 1.0.0 — 2017-02-25
- 0.2.4 — 2017-02-25
- 0.2.3 — 2016-01-19
- 0.2.2 — 2016-01-19
- 0.2.1 — 2015-11-09
- 0.2.0 — 2015-11-06
- 0.1.1 — 2015-07-04
- 0.1.0 — 2015-07-04
## README
# 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)
> Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.
Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save union-value
```
## Usage
```js
const union = require('union-value');
const obj = {};
union(obj, 'a.b.c', ['one', 'two']);
union(obj, 'a.b.c', ['three']);
console.log(obj);
//=> { a: { b: { c: [ 'one', 'two', 'three' ] } } }
```
## About
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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
```
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
```
### Related projects
You might also be interested in these projects:
* [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.")
* [get-value](https://www.npmjs.com/package/get-value): Use property paths like 'a.b.c' to get a nested value from an object. Even works… [more](https://github.com/jonschlinkert/get-value) | [homepage](https://github.com/jonschlinkert/get-value "Use property paths like 'a.b.c' to get a nested value from an object. Even works when keys have dots in them (no other dot-prop library can do this!).")
* [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.")
* [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.")
* [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.")
### Contributors
| **Commits** | **Contributor** |
| --- | --- |
| 23 | [jonschlinkert](https://github.com/jonschlinkert) |
| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
### Author
**Jon Schlinkert**
* [GitHub Profile](https://github.com/jonschlinkert)
* [Twitter Profile](https://twitter.com/jonschlinkert)
* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
### License
Copyright © 2019, [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), v0.8.0, on June 20, 2019._
---
_Source: https://npm.io/package/union-value · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._