Package

@stryker-mutator/util

Contains utilities for Stryker, the mutation testing framework for JavaScript and friends

v10.0.0, 14 Aug 2026Apache-2.0ESM onlyTypes: NoneTesting

$ npm install @stryker-mutator/util

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 1.8m; +1191% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 1 month ago; v10.0.0
GitHub stars: 3.1k; 291 forks
Open issues / PRs: 74 / 42
Contributors: -
Commits, last 52 weeks: 610

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,829,823 downloads last week, 8,479,003 in the last month. The 12-month change of +1191% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 8101 in total
Latest version: 10.0.0, 14 Aug 20261 month ago
First published: 15 Oct 2018
Last push to GitHub: 24 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 74
Open pull requests: 42
Commits, last 52 weeks: 610
Dependents on npm: 18

Major versions

v10 first release 10.0.0, 14 Aug 2026
v9 first release 9.0.0, 13 May 2025
v8 first release 8.0.0, 30 Nov 2023
v7 first release 7.0.0, 2 Jun 2023
v6 first release 6.0.0, 3 May 2022
v5 first release 5.0.0, 14 May 2021
v4 first release 4.0.0, 7 Oct 2020
v3 first release 3.0.0, 11 Mar 2020
v2 first release 2.0.0, 17 May 2019
v1 first release 1.0.0, 13 Feb 2019
v0 first release 0.0.1, 15 Oct 2018

Recent releases

Version	Published
10.0.0	14 Aug 2026
9.6.1	10 Apr 2026
9.6.0	27 Feb 2026
9.5.1	2 Feb 2026
9.5.0	30 Jan 2026
9.4.0	23 Nov 2025
9.3.0	28 Oct 2025
9.2.0	4 Oct 2025
9.1.1	30 Aug 2025
9.1.0	30 Aug 2025
9.0.1	14 May 2025
9.0.0	13 May 2025
8.7.1	11 Dec 2024
8.7.0	6 Dec 2024

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 63 kB
Dependencies (0): None

Install

npm install @stryker-mutator/util

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/@stryker-mutator/util@10.0.0/
unpkghttps://unpkg.com/@stryker-mutator/util@10.0.0/
esm.shhttps://esm.sh/@stryker-mutator/util@10.0.0

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Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.