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Package

nyc

the Istanbul command line interface

v18.0.0, 22 Feb 2026ISCCommonJSTypes: NoneTesting
$ npm install nyc
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Key numbers

As of 25 Sept 2026
Weekly downloads
6.2m
+15% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
27
Direct, from package.json
Last release
7 months ago
v18.0.0
GitHub stars
5.8k
362 forks
Open issues / PRs
188 / 20
Contributors
-
Commits, last 52 weeks
6

Downloads

Last week 2026-09-15 to 2026-09-21
02.5m5m7.5m10mSept 2025Mar 2026Sept 2026High 9m (21 Jul 2026)Low 3.1m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

6,158,010 downloads last week, 29,266,766 in the last month. The 12-month change of +15% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
1115 in total
Latest version
18.0.0, 22 Feb 20267 months ago
First published
9 May 2015
Last push to GitHub
17 May 2026130 days before the snapshot
Repository archived
No
Open issues
188
Open pull requests
20
Commits, last 52 weeks
6
Dependents on npm
1,367

Major versions

  1. v18 first release 18.0.0, 22 Feb 2026
  2. v17 first release 17.0.0, 9 Jun 2024
  3. v15 first release 15.0.0, 20 Dec 2019
  4. v14 first release 14.0.0, 16 Apr 2019
  5. v13 first release 13.0.0, 8 Jun 2018
  6. v12 first release 12.0.0, 31 May 2018
  7. v11 first release 11.0.0, 1 Jun 2017
  8. v10 first release 10.0.0, 22 Nov 2016
  9. v9 first release 9.0.1, 15 Nov 2016
  10. v8 first release 8.0.0, 13 Aug 2016
  11. v7 first release 7.0.0, 9 Jul 2016
  12. v6 first release 6.0.0, 20 Feb 2016
  13. v5 first release 5.0.0, 10 Dec 2015
  14. v4 first release 4.0.0, 29 Nov 2015
  15. v3 first release 3.0.0, 28 Jun 2015
  16. v2 first release 2.0.0, 16 May 2015
  17. v1 first release 1.1.0, 10 May 2015

Recent releases

VersionPublished
18.0.022 Feb 2026
17.1.019 Sept 2024
17.0.09 Jun 2024
15.1.01 Jun 2020
15.0.12 Apr 2020
15.0.020 Dec 2019
14.1.19 May 2019
14.1.024 Apr 2019
14.0.016 Apr 2019
13.3.014 Feb 2019
13.2.027 Jan 2019
13.1.06 Sept 2018
13.0.124 Jul 2018
13.0.08 Jun 2018

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
20 || >=22
Runtimes
-
Unpacked size (npm)
56 kB
Dependencies (27)
globp-mapyargsrimraffind-upmake-dirdecamelizespawn-wrapsignal-exitnode-preloadresolve-fromtest-excludefind-cache-dirforeground-childget-package-typeistanbul-reportsprocess-on-spawncaching-transformistanbul-lib-hook@istanbuljs/schemaconvert-source-mapistanbul-lib-reportistanbul-lib-coverageistanbul-lib-instrumentistanbul-lib-processinfoistanbul-lib-source-maps@istanbuljs/load-nyc-config

Install

npm install nyc

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/nyc@18.0.0/
  • unpkghttps://unpkg.com/nyc@18.0.0/
  • esm.shhttps://esm.sh/nyc@18.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.