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mutation-testing-metrics

Utility functions to calculate mutation testing metrics.

v3.9.0, 27 Jul 2026Apache-2.0ESM onlyTypes: BundledTestingUtility libraries
$ npm install mutation-testing-metrics

Key numbers

As of 25 Sept 2026
Weekly downloads
1.8m
+1316% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
1 month ago
v3.9.0
GitHub stars
29
21 forks
Open issues / PRs
39 / 8
Contributors
-
Commits, last 52 weeks
442

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3mSept 2025Mar 2026Sept 2026High 2.5m (25 Aug 2026)Low 105.7k (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.

1,803,721 downloads last week, 9,274,153 in the last month. The 12-month change of +1316% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
747 in total
Latest version
3.9.0, 27 Jul 20261 month ago
First published
9 Apr 2019
Last push to GitHub
25 Sept 2026same day as the snapshot
Repository archived
No
Open issues
39
Open pull requests
8
Commits, last 52 weeks
442
Dependents on npm
-

Major versions

  1. v3 first release 3.0.0, 16 Nov 2023
  2. v2 first release 2.0.0, 29 Apr 2023
  3. v1 first release 1.0.6, 9 Apr 2019

Recent releases

VersionPublished
3.9.027 Jul 2026
3.8.46 Jul 2026
3.8.05 Jun 2026
3.7.316 Mar 2026
3.7.213 Feb 2026
3.7.124 Nov 2025
3.7.021 Nov 2025
3.5.110 Feb 2025
3.5.031 Jan 2025
3.3.011 Sept 2024
3.2.07 Aug 2024
3.1.118 Jul 2024
3.1.013 May 2024
3.0.44 Apr 2024
Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
131 kB
Dependencies (1)
mutation-testing-report-schema
npm install mutation-testing-metrics
  • jsDelivrhttps://cdn.jsdelivr.net/npm/mutation-testing-metrics@3.9.0/
  • unpkghttps://unpkg.com/mutation-testing-metrics@3.9.0/
  • esm.shhttps://esm.sh/mutation-testing-metrics@3.9.0
PackageWeekly downloadsGzipLast releaseModuleComparison
jest-util89.1m-23 days agoESM + CommonJS-
vitest-fail-on-console327k-1 year agoESM only-
cypress-localstorage-commands150.1k-6 months agoCommonJS-
has-only23.2k-8 years agoCommonJS-
@stdlib/assert-is-regexp-string340.9k-7 months agoCommonJS-
deep-equal-ident90.5k-10 years agoCommonJS-
mocked-env75.4k-5 years agoCommonJS-
its-name59.6k-9 years agoCommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.