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Package

istanbul

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests

v0.4.5, 21 Aug 2016BSD-3-Clause-Types: None
$ npm install istanbul
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Deprecated on npm
This module is no longer maintained, try this instead: npm i nyc Visit https://istanbul.js.org/integrations for other alternatives.

Key numbers

As of 25 Sept 2026
Weekly downloads
805.1k
-12% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
14
Direct, from package.json
Last release
10 years ago
v0.4.5
GitHub stars
8.7k
769 forks
Open issues / PRs
359 / 40
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0500k1m1.5mSept 2025Mar 2026Sept 2026High 1.4m (21 Oct 2025)Low 416k (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.

805,050 downloads last week, 3,680,131 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
092 in total
Latest version
0.4.5, 21 Aug 201610 years ago
First published
12 Sept 2012
Last push to GitHub
8 Dec 2024655 days before the snapshot
Repository archived
Yes
Open issues
359
Open pull requests
40
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

  1. v0 first release 0.1.0, 12 Sept 2012

Recent releases

VersionPublished
0.4.521 Aug 2016
0.4.420 Jun 2016
0.4.36 Apr 2016
0.4.211 Jan 2016
0.4.124 Nov 2015
0.4.017 Oct 2015
0.3.225 Oct 2015
0.3.2124 Sept 2015
0.3.2014 Sept 2015
0.3.1930 Aug 2015
0.3.1817 Aug 2015
0.3.1728 Jun 2015
0.3.1624 Jun 2015
0.3.159 Jun 2015

Compatibility

Module format
-Not determined from package.json
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
-
Dependencies (14)
globnoptonceasyncwhichabbrevmkdirpesprimajs-yamlresolvewordwrapescodegenhandlebarssupports-color

Install

npm install istanbul

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/istanbul@0.4.5/
  • unpkghttps://unpkg.com/istanbul@0.4.5/
  • esm.shhttps://esm.sh/istanbul@0.4.5
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated; no category.