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Package

co

generator async control flow goodness

v4.6.0, 9 Jul 2015MIT-Types: NonePromises and async control flow
$ npm install co

Key numbers

As of 25 Sept 2026
Weekly downloads
34.9m
+15% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
11 years ago
v4.6.0
GitHub stars
11.8k
781 forks
Open issues / PRs
30 / 14
Contributors
58
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60mSept 2025Mar 2026Sept 2026High 46.1m (25 Aug 2026)Low 16.2m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

34,880,000 downloads last week, 150,242,394 in the last month. The 12-month change of +15% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
034 in total
Latest version
4.6.0, 9 Jul 201511 years ago
First published
6 Jun 2013
Last push to GitHub
15 Dec 20202,109 days before the snapshot
Repository archived
No
Open issues
30
Open pull requests
14
Commits, last 52 weeks
0
Dependents on npm
6,163

Major versions

  1. v4 first release 4.0.0, 16 Nov 2014
  2. v3 first release 3.0.0, 20 Dec 2013
  3. v2 first release 2.0.0, 14 Oct 2013
  4. v1 first release 1.0.0, 6 Jun 2013

Recent releases

VersionPublished
4.6.09 Jul 2015
4.5.43 May 2015
4.5.217 Apr 2015
4.5.118 Mar 2015
4.5.018 Mar 2015
4.4.015 Feb 2015
4.3.17 Feb 2015
4.3.07 Feb 2015
4.2.021 Jan 2015
4.1.026 Dec 2014
4.0.218 Dec 2014
4.0.129 Nov 2014
4.0.016 Nov 2014
3.1.027 Jul 2014
Module format
-Not determined from package.json
TypeScript types
None
Node.js engine range
>= 0.12.0
Runtimes
-
Unpacked size (npm)
-
Dependencies (0)
None
npm install co
  • jsDelivrhttps://cdn.jsdelivr.net/npm/co@4.6.0/
  • unpkghttps://unpkg.com/co@4.6.0/
  • esm.shhttps://esm.sh/co@4.6.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.