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npm · npm:which-collection

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Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

The latest stable version of which-collection is 1.0.2, published on 2024-03-08. Verified by Vigia on 2026-11-12.

Latest stable version1.0.2
Published2024-03-08 22:53:04 UTC
Installnpm install which-collection@latest
Requires (engines){"node":">= 0.4"}
Peer dependencies—
Dist-tagslatest: 1.0.2
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-12 12:59:39 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activitydormant
Last stable release2024-03-08 22:53:04 UTC · 979 days ago
Stable releases in the last 12 months0
Published versions3

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

Version history

VersionPublished
1.0.22024-03-08 22:53:04 UTC
1.0.12020-01-26 21:12:29 UTC
1.0.02019-11-13 20:00:49 UTC

Showing the 3 most recent of 3 versions. JSON

Version compatibility

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

RuntimeNewest compatible version
node 161.0.2
node 181.0.2
node 201.0.2
node 221.0.2
node 241.0.2

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Frequently asked questions

What is the latest version of which-collection?

The latest stable version of which-collection is 1.0.2, published on 2024-03-08. Verified by Vigia on 2026-11-12.

How do I install the latest version of which-collection?

Run npm install which-collection@latest. The latest stable version is 1.0.2 (verified 2026-11-12).

Is which-collection deprecated?

No. which-collection is not marked as deprecated in the registry.

Which Node.js version does which-collection require?

which-collection 1.0.2 declares this requirement: {"node":">= 0.4"}.

Does which-collection 1.0.2 have known vulnerabilities?

No known advisories affect which-collection 1.0.2 according to the data Vigia checks.

Is which-collection still maintained?

which-collection published 0 stable releases in the last 12 months; the most recent was 979 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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