npm · npm:side-channel

side-channel active

Store information about any JS value in a side channel. Uses WeakMap if available.

The latest stable version of side-channel is 1.1.1, published on 2026-06-08. Verified by Vigia on 2026-11-12.

Latest stable version	1.1.1
Published	2026-06-08 20:34:47 UTC
Install	`npm install side-channel@latest`
Requires (engines)	`{"node":">= 0.4"}`
Peer dependencies	—
Dist-tags	`latest: 1.1.1`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 13:34:06 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	active
Last stable release	2026-06-08 20:34:47 UTC · 157 days ago
Stable releases in the last 12 months	1
Published versions	8

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

Version history

Version	Published
`1.1.1`	2026-06-08 20:34:47 UTC
`1.1.0`	2024-12-11 17:00:33 UTC
`1.0.6`	2024-02-29 19:03:24 UTC
`1.0.5`	2024-02-06 16:48:59 UTC
`1.0.4`	2020-12-29 19:58:12 UTC
`1.0.3`	2020-08-23 20:20:16 UTC
`1.0.2`	2019-12-20 19:45:41 UTC
`1.0.1`	2019-12-02 07:45:52 UTC

Showing the 8 most recent of 8 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`	`1.1.1`
`node 18`	`1.1.1`
`node 20`	`1.1.1`
`node 22`	`1.1.1`
`node 24`	`1.1.1`

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Frequently asked questions

What is the latest version of side-channel?

The latest stable version of side-channel is 1.1.1, published on 2026-06-08. Verified by Vigia on 2026-11-12.

How do I install the latest version of side-channel?

Run npm install side-channel@latest. The latest stable version is 1.1.1 (verified 2026-11-12).

Is side-channel deprecated?

No. side-channel is not marked as deprecated in the registry.

Which Node.js version does side-channel require?

side-channel 1.1.1 declares this requirement: {"node":">= 0.4"}.

Does side-channel 1.1.1 have known vulnerabilities?

No known advisories affect side-channel 1.1.1 according to the data Vigia checks.

Is side-channel still maintained?

side-channel published 1 stable releases in the last 12 months; the most recent was 157 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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