Package

espower

Power Assert feature instrumentor based on the ECMAScript AST

v2.1.2, 11 Jan 2019MITCommonJSTypes: NoneTesting

$ npm install espower

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 26.6k; -80% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 9; Direct, from package.json
Last release: 7 years ago; v2.1.2
GitHub stars: 59; 6 forks
Open issues / PRs: 1 / 8
Contributors: -
Commits, last 52 weeks: 0

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.

26,577 downloads last week, 111,295 in the last month. The 12-month change of -80% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 2.1.2, 11 Jan 20197 years ago
First published: -
Last push to GitHub: 6 Jan 20231,357 days before the snapshot
Repository archived: No
Open issues: 1
Open pull requests: 8
Commits, last 52 weeks: 0
Dependents on npm: 6

Major versions

Recent releases

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 63 kB
Dependencies (9): escopeespurifyescodegentype-namearray-findestraversesource-mapescallmatchespower-location-detector

Install

npm install espower

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/espower@2.1.2/
unpkghttps://unpkg.com/espower@2.1.2/
esm.shhttps://esm.sh/espower@2.1.2

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
empower-core Power Assert feature enhancer for assert function/object	172.5k	-	8 years ago	CommonJS	-
empower-assert Convert assert to power-assert on ESTree AST	25.3k	-	8 years ago	CommonJS	-
power-assert-renderers Power Assert output renderers	8.3k	-	10 years ago	CommonJS	-

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

Indexability: Indexed.