Package

array-union

Create an array of unique values, in order, from the input arrays

v3.0.1, 1 Mar 2021MITESM onlyTypes: None

$ npm install array-union

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 48.6m; +3% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 5 years ago; v3.0.1
GitHub stars: -
Open issues / PRs: - / -
Contributors: -
Commits, last 52 weeks: -

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

48,606,181 downloads last week, 202,849,995 in the last month. The 12-month change of +3% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 08 in total
Latest version: 3.0.1, 1 Mar 20215 years ago
First published: 19 Jun 2014
Last push to GitHub: -
Repository archived: -
Open issues: -
Open pull requests: -
Commits, last 52 weeks: -
Dependents on npm: 1,530

Major versions

v3 first release 3.0.0, 1 Mar 2021
v2 first release 2.0.0, 20 Mar 2019
v1 first release 1.0.0, 13 Aug 2014
v0 first release 0.1.0, 19 Jun 2014

Recent releases

Version	Published
3.0.1	1 Mar 2021
3.0.0	1 Mar 2021
2.1.0	22 Apr 2019
2.0.0	20 Mar 2019
1.0.2	16 Jun 2016
1.0.1	18 Nov 2014
1.0.0	13 Aug 2014
0.1.0	19 Jun 2014

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >=12
Runtimes: -
Unpacked size (npm): 3.5 kB
Dependencies (0): None

Install

npm install array-union

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/array-union@3.0.1/
unpkghttps://unpkg.com/array-union@3.0.1/
esm.shhttps://esm.sh/array-union@3.0.1

Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.