Package

duplicate-package-checker-webpack-plugin

Webpack plugin that warns you when multiple versions of the same package exist in a build.

v3.0.0, 20 Mar 2018MITCommonJSTypes: NoneBundler plugins and loaders

$ npm install duplicate-package-checker-webpack-plugin

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 113.2k; -16% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 4; Direct, from package.json
Last release: 8 years ago; v3.0.0
GitHub stars: 703; 30 forks
Open issues / PRs: 12 / 25
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.

113,194 downloads last week, 576,017 in the last month. The 12-month change of -16% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 3.0.0, 20 Mar 20188 years ago
First published: -
Last push to GitHub: 7 Dec 20221,387 days before the snapshot
Repository archived: No
Open issues: 12
Open pull requests: 25
Commits, last 52 weeks: 0
Dependents on npm: 155

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): 176 kB
Dependencies (4): chalklodashsemverfind-root

Install

npm install duplicate-package-checker-webpack-plugin

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/duplicate-package-checker-webpack-plugin@3.0.0/
unpkghttps://unpkg.com/duplicate-package-checker-webpack-plugin@3.0.0/
esm.shhttps://esm.sh/duplicate-package-checker-webpack-plugin@3.0.0

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
wrapper-webpack-plugin Wraps output files (chunks) with custom text or code.	21.9k	-	4 years ago	CommonJS	-
duplicate-dependencies-webpack-plugin webpack plugin to find duplicated dependencies from your bundle	11.6k	-	4 years ago	CommonJS	-
clean-webpack-plugin A webpack plugin to remove/clean your build folder(s).	1.6m	-	5 years ago	CommonJS	-
warnings-to-errors-webpack-plugin Change every warning as error to ensure safe build	67.9k	-	4 years ago	CommonJS	-
generate-package-json-webpack-plugin Generates a package.json file containing the external modules used by your webpack bundle	24.8k	-	6 months ago	CommonJS	-
@madccc/duplicate-package-checker-webpack-plugin Webpack plugin that warns you when multiple versions of the same package exist in a build.	15.4k	-	2 years ago	CommonJS	-
directory-named-webpack-plugin A Webpack plugin that treats a file with the name of directory as the index file	7.4k	-	2 years ago	CommonJS	-
license-webpack-plugin Outputs licenses from 3rd party libraries to a file	4m	-	4 years ago	CommonJS	-

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

Indexability: Indexed.