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babel-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

v0.12.2BSD-3-Clause-Types: None
$ npm install babel-istanbul

Key numbers

As of 25 Sept 2026
Weekly downloads
9.3k
-33% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
16
Direct, from package.json
Last release
-
v0.12.2
GitHub stars
144
21 forks
Open issues / PRs
5 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
05k10k15k20kSept 2025Mar 2026Sept 2026High 19.3k (21 Oct 2025)Low 2.5k (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.

9,253 downloads last week, 39,612 in the last month. The 12-month change of -33% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
0.12.2
First published
-
Last push to GitHub
28 Sept 20182,918 days before the snapshot
Repository archived
No
Open issues
5
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
-Not determined from package.json
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
-
Dependencies (16)
noptonceasyncwhichabbrevmkdirpesprimajs-yamlresolvewordwrapescodegenhandlebarsmulti-globsource-mapobject-assignsupports-color
Peer dependencies (1)
babel-core
npm install babel-istanbul
  • jsDelivrhttps://cdn.jsdelivr.net/npm/babel-istanbul@0.12.2/
  • unpkghttps://unpkg.com/babel-istanbul@0.12.2/
  • esm.shhttps://esm.sh/babel-istanbul@0.12.2
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 9253 < 10000; no category.