Key numbers
As of 25 Sept 2026
- Weekly downloads
- 72.8m
- +268% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 2 years ago
- v2.0.1
- GitHub stars
- 26
- 18 forks
- Open issues / PRs
- 2 / 0
- Contributors
- 14
- Commits, last 52 weeks
- 3
Downloads
Last week 2026-09-15 to 2026-09-21
72,777,315 downloads last week, 360,563,166 in the last month. The 12-month change of +268% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 07 in total
- Latest version
- 2.0.1, 18 Oct 20232 years ago
- First published
- 7 Apr 2013
- Last push to GitHub
- 25 May 2026122 days before the snapshot
- Repository archived
- No
- Open issues
- 2
- Open pull requests
- 0
- Commits, last 52 weeks
- 3
- Dependents on npm
- 410
Major versions
- v2 first release 2.0.0, 5 Oct 2021
- v1 first release 1.0.0, 8 Jun 2013
- v0 first release 0.1.0, 7 Apr 2013
Recent releases
| Version | Published |
|---|---|
| 2.0.1 | 18 Oct 2023 |
| 2.0.0 | 5 Oct 2021 |
| 1.1.0 | 7 Jan 2018 |
| 1.0.2 | 6 Jun 2016 |
| 1.0.1 | 5 Mar 2015 |
| 1.0.0 | 8 Jun 2013 |
| 0.1.0 | 7 Apr 2013 |
- Module format
- ESM onlyFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >=12
- Runtimes
- -
- Unpacked size (npm)
- 5.7 kB
- Dependencies (0)
- None
npm install assertion-errorCDN
jsDelivr: 77.4k requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/assertion-error@2.0.1/ - unpkg
https://unpkg.com/assertion-error@2.0.1/ - esm.sh
https://esm.sh/assertion-error@2.0.1
Indexability: Indexed.