npm · npm:assert-never

assert-never active

Helper function for exhaustive checks of discriminated unions in TypeScript

The latest stable version of assert-never is 1.4.0, published on 2024-12-17. Verified by Vigia on 2026-11-12.

Latest stable version	1.4.0
Published	2024-12-17 10:10:31 UTC
Install	`npm install assert-never@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 1.4.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:05:26 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2024-12-17 10:10:31 UTC · 695 days ago
Stable releases in the last 12 months	0
Published versions	6

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

Version history

Version	Published
`1.4.0`	2024-12-17 10:10:31 UTC
`1.3.0`	2024-07-07 11:33:23 UTC
`1.2.1`	2020-05-13 04:25:07 UTC
`1.2.0`	2019-04-24 03:43:40 UTC
`1.1.0`	2017-12-25 04:05:05 UTC
`1.0.0`	2017-03-27 12:18:30 UTC

Showing the 6 most recent of 6 versions. JSON

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Frequently asked questions

What is the latest version of assert-never?

The latest stable version of assert-never is 1.4.0, published on 2024-12-17. Verified by Vigia on 2026-11-12.

How do I install the latest version of assert-never?

Run npm install assert-never@latest. The latest stable version is 1.4.0 (verified 2026-11-12).

Is assert-never deprecated?

No. assert-never is not marked as deprecated in the registry.

Which Node.js version does assert-never require?

assert-never 1.4.0 does not declare a Node.js version requirement.

Does assert-never 1.4.0 have known vulnerabilities?

No known advisories affect assert-never 1.4.0 according to the data Vigia checks.

Is assert-never still maintained?

assert-never published 0 stable releases in the last 12 months; the most recent was 695 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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