npm · npm:when

when active

A lightweight Promises/A+ and when() implementation, plus other async goodies.

The latest stable version of when is 3.7.8, published on 2017-02-20. Verified by Vigia on 2026-11-12.

Latest stable version	3.7.8
Published	2017-02-20 00:51:40 UTC
Install	`npm install when@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 3.7.8`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:26:46 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2017-02-20 00:51:40 UTC · 3552 days ago
Stable releases in the last 12 months	0
Published versions	63

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`3.7.8`	2017-02-20 00:51:40 UTC
`3.7.7`	2015-12-24 15:49:23 UTC
`3.7.6`	2015-12-23 19:58:12 UTC
`3.7.5`	2015-11-21 01:53:02 UTC
`3.7.4`	2015-10-24 18:10:15 UTC
`3.7.3`	2015-04-27 13:05:37 UTC
`3.7.2`	2015-01-30 15:52:25 UTC
`3.7.1`	2015-01-28 14:30:35 UTC
`3.7.0`	2015-01-26 03:14:58 UTC
`3.6.4`	2014-12-14 04:06:58 UTC
`3.6.3`	2014-11-14 02:35:27 UTC
`3.6.2`	2014-11-13 13:50:40 UTC
`3.6.1`	2014-11-11 19:23:53 UTC
`3.6.0`	2014-11-07 20:41:04 UTC
`3.5.2`	2014-10-29 16:07:22 UTC
`3.5.1`	2014-10-24 16:55:02 UTC
`3.5.0`	2014-10-01 18:15:10 UTC
`3.4.6`	2014-09-15 16:16:24 UTC
`3.4.5`	2014-09-03 02:04:26 UTC
`3.4.4`	2014-08-14 14:21:42 UTC

Showing the 20 most recent of 63 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`node 16`	`3.7.8`
`node 18`	`3.7.8`
`node 20`	`3.7.8`
`node 22`	`3.7.8`
`node 24`	`3.7.8`

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Frequently asked questions

What is the latest version of when?

The latest stable version of when is 3.7.8, published on 2017-02-20. Verified by Vigia on 2026-11-12.

How do I install the latest version of when?

Run npm install when@latest. The latest stable version is 3.7.8 (verified 2026-11-12).

Is when deprecated?

No. when is not marked as deprecated in the registry.

Which Node.js version does when require?

when 3.7.8 does not declare a Node.js version requirement.

Does when 3.7.8 have known vulnerabilities?

No known advisories affect when 3.7.8 according to the data Vigia checks.

Is when still maintained?

when published 0 stable releases in the last 12 months; the most recent was 3552 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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