Skip to content
JS
Package

istanbul-lib-instrument

Core istanbul API for JS code coverage

v6.0.3, 30 Jun 2024BSD-3-ClauseCommonJSTypes: NoneNode.js utilities
$ npm install istanbul-lib-instrument
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
63.8m
+12% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
5
Direct, from package.json
Last release
2 years ago
v6.0.3
GitHub stars
1.1k
254 forks
Open issues / PRs
163 / 39
Contributors
129
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
025m50m75m100mSept 2025Mar 2026Sept 2026High 88.6m (25 Aug 2026)Low 32.3m (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.

63,767,946 downloads last week, 294,929,361 in the last month. The 12-month change of +12% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
058 in total
Latest version
6.0.3, 30 Jun 20242 years ago
First published
21 Nov 2015
Last push to GitHub
9 Apr 2026168 days before the snapshot
Repository archived
No
Open issues
163
Open pull requests
39
Commits, last 52 weeks
0
Dependents on npm
1,100

Major versions

  1. v6 first release 6.0.0, 25 Jul 2023
  2. v5 first release 5.0.2, 13 Sept 2021
  3. v4 first release 4.0.0, 20 Dec 2019
  4. v3 first release 3.0.0, 6 Sept 2018
  5. v2 first release 2.0.0, 31 May 2018
  6. v1 first release 1.1.0, 11 Aug 2016

Recent releases

VersionPublished
6.0.330 Jun 2024
6.0.219 Feb 2024
6.0.14 Oct 2023
6.0.025 Jul 2023
5.2.15 Oct 2022
5.2.020 Apr 2022
5.1.027 Oct 2021
5.0.416 Oct 2021
5.0.36 Oct 2021
5.0.213 Sept 2021
4.0.39 May 2020
4.0.26 May 2020
4.0.13 Feb 2020
4.0.020 Dec 2019

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
>=10
Runtimes
-
Unpacked size (npm)
70 kB
Dependencies (5)
semver@babel/core@babel/parser@istanbuljs/schemaistanbul-lib-coverage

Install

npm install istanbul-lib-instrument

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/istanbul-lib-instrument@6.0.3/
  • unpkghttps://unpkg.com/istanbul-lib-instrument@6.0.3/
  • esm.shhttps://esm.sh/istanbul-lib-instrument@6.0.3
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.