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Package

vasync

utilities for observable asynchronous control flow

v2.2.1, 4 Nov 2021MITCommonJSTypes: None
$ npm install vasync
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Key numbers

As of 25 Sept 2026
Weekly downloads
327.8k
-23% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
4 years ago
v2.2.1
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
0200k400k600kSept 2025Mar 2026Sept 2026High 568.7k (25 Nov 2025)Low 211.8k (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.

327,830 downloads last week, 1,626,431 in the last month. The 12-month change of -23% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
024 in total
Latest version
2.2.1, 4 Nov 20214 years ago
First published
18 Apr 2012
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
-

Major versions

  1. v2 first release 2.0.0, 10 Aug 2017
  2. v1 first release 1.0.0, 18 Apr 2012

Recent releases

VersionPublished
2.2.14 Nov 2021
2.2.01 Dec 2017
2.1.014 Sept 2017
2.0.010 Aug 2017
1.6.422 Mar 2016
1.6.31 Apr 2015
1.6.217 Nov 2014
1.6.125 Sept 2014
1.6.08 Sept 2014
1.5.17 Aug 2014
1.5.030 May 2014
1.4.321 Jan 2014
1.4.215 Jan 2014
1.4.116 Dec 2013

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
104 kB
Dependencies (1)
verror

Install

npm install vasync

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/vasync@2.2.1/
  • unpkghttps://unpkg.com/vasync@2.2.1/
  • esm.shhttps://esm.sh/vasync@2.2.1
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.