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npm · npm:eventsource-parser

eventsource-parser active

Streaming, source-agnostic EventSource/Server-Sent Events parser

The latest stable version of eventsource-parser is 4.1.3, published on 2026-10-25. Verified by Vigia on 2026-11-12.

Latest stable version4.1.3
Published2026-10-25 21:38:04 UTC
Installnpm install eventsource-parser@latest
Requires (engines){"node":">=22.12"}
Peer dependencies—
Dist-tagsbeta: 3.0.0-beta.0 latest: 4.1.3
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-12 22:49:16 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activityactive
Last stable release2026-10-25 21:38:04 UTC · 18 days ago
Stable releases in the last 12 months9
Published versions27

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

Version history

VersionPublished
4.1.32026-10-25 21:38:04 UTC
4.1.22026-10-12 15:39:11 UTC
4.1.12026-09-15 18:30:29 UTC
4.1.02026-08-20 19:27:45 UTC
4.0.02026-08-10 18:36:08 UTC
3.1.12026-08-10 15:55:29 UTC
3.1.02026-05-27 20:55:51 UTC
3.0.82026-04-19 17:45:17 UTC
3.0.72026-04-17 21:07:17 UTC
3.0.62025-08-29 16:19:18 UTC
3.0.52025-08-18 21:47:18 UTC
3.0.32025-06-25 19:47:56 UTC
3.0.22025-05-14 18:13:24 UTC
3.0.12025-03-27 05:14:27 UTC
3.0.02024-10-19 22:09:19 UTC
2.0.12024-08-07 15:35:11 UTC
2.0.02024-08-07 15:21:14 UTC
1.1.22024-02-13 05:25:36 UTC
1.1.12023-09-20 10:15:06 UTC
1.1.02023-09-20 10:07:57 UTC

Showing the 20 most recent of 26 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 161.1.2
node 183.1.1
node 203.1.1
node 224.1.3
node 244.1.3

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Frequently asked questions

What is the latest version of eventsource-parser?

The latest stable version of eventsource-parser is 4.1.3, published on 2026-10-25. Verified by Vigia on 2026-11-12.

How do I install the latest version of eventsource-parser?

Run npm install eventsource-parser@latest. The latest stable version is 4.1.3 (verified 2026-11-12).

Is eventsource-parser deprecated?

No. eventsource-parser is not marked as deprecated in the registry.

Which Node.js version does eventsource-parser require?

eventsource-parser 4.1.3 declares this requirement: {"node":">=22.12"}.

Does eventsource-parser 4.1.3 have known vulnerabilities?

No known advisories affect eventsource-parser 4.1.3 according to the data Vigia checks.

Is eventsource-parser still maintained?

eventsource-parser published 9 stable releases in the last 12 months; the most recent was 18 days ago. Activity: active.

Observed changes

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