Package

has-flag

Check if argv has a specific flag

v5.0.1, 19 Jul 2021MITESM onlyTypes: NoneCLI tools and terminal utilities

$ npm install has-flag

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 274.9m; +25% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 5 years ago; v5.0.1
GitHub stars: 94; 20 forks
Open issues / PRs: 0 / 0
Contributors: 7
Commits, last 52 weeks: 1

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.

274,943,280 downloads last week, 1,040,624,011 in the last month. The 12-month change of +25% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 06 in total
Latest version: 5.0.1, 19 Jul 20215 years ago
First published: 7 Jul 2015
Last push to GitHub: 18 Sept 20266 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 1
Dependents on npm: 3,305

Major versions

v5 first release 5.0.0, 16 Apr 2021
v4 first release 4.0.0, 6 Apr 2019
v3 first release 3.0.0, 2 Jan 2018
v2 first release 2.0.0, 11 Apr 2016
v1 first release 1.0.0, 7 Jul 2015

Recent releases

Version	Published
5.0.1	19 Jul 2021
5.0.0	16 Apr 2021
4.0.0	6 Apr 2019
3.0.0	2 Jan 2018
2.0.0	11 Apr 2016
1.0.0	7 Jul 2015

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >=12
Runtimes: -
Unpacked size (npm): 4.2 kB
Dependencies (0): None

Install

npm install has-flag

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/has-flag@5.0.1/
unpkghttps://unpkg.com/has-flag@5.0.1/
esm.shhttps://esm.sh/has-flag@5.0.1

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

Indexability: Indexed.