Package

err-code

Create an error with a code

v3.0.1, 5 Feb 2021MITCommonJSTypes: Bundled

$ npm install err-code

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 20.8m; +17% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 5 years ago; v3.0.1
GitHub stars: 20; 9 forks
Open issues / PRs: 5 / 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.

20,834,368 downloads last week, 91,188,175 in the last month. The 12-month change of +17% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 013 in total
Latest version: 3.0.1, 5 Feb 20215 years ago
First published: 28 Jun 2014
Last push to GitHub: 22 Jun 20221,555 days before the snapshot
Repository archived: No
Open issues: 5
Open pull requests: 8
Commits, last 52 weeks: 0
Dependents on npm: 361

Major versions

v3 first release 3.0.0, 2 Feb 2021
v2 first release 2.0.0, 17 Jul 2019
v1 first release 1.0.0, 2 Jan 2016
v0 first release 0.1.0, 28 Jun 2014

Recent releases

Version	Published
3.0.1	5 Feb 2021
3.0.0	2 Feb 2021
2.0.3	18 Jun 2020
2.0.2	13 Jun 2020
2.0.1	10 Jun 2020
2.0.0	17 Jul 2019
1.1.2	3 Apr 2017
1.1.1	14 Jan 2016
1.1.0	14 Jan 2016
1.0.0	2 Jan 2016
0.1.2	12 Aug 2014
0.1.1	17 Jul 2014
0.1.0	28 Jun 2014

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 7.6 kB
Dependencies (0): None

Install

npm install err-code

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/err-code@3.0.1/
unpkghttps://unpkg.com/err-code@3.0.1/
esm.shhttps://esm.sh/err-code@3.0.1

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

Indexability: Not indexed (discovery only): no category.