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Package

extended-eventsource

Spec compliant EventSource implementation for browsers and Node.JS

v2.1.0MITESM + CommonJSTypes: BundledWebSockets and realtime
$ npm install extended-eventsource

Key numbers

As of 25 Sept 2026
Weekly downloads
212k
+234% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
-
v2.1.0
GitHub stars
67
5 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300k400kSept 2025Mar 2026Sept 2026High 335.9k (28 Jul 2026)Low 63.4k (23 Sept 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

211,952 downloads last week, 1,084,006 in the last month. The 12-month change of +234% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
2.1.0
First published
-
Last push to GitHub
3 Jan 2025629 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
208 kB
Dependencies (0)
None
npm install extended-eventsource
  • jsDelivrhttps://cdn.jsdelivr.net/npm/extended-eventsource@2.1.0/
  • unpkghttps://unpkg.com/extended-eventsource@2.1.0/
  • esm.shhttps://esm.sh/extended-eventsource@2.1.0
PackageWeekly downloadsGzipLast releaseModuleComparison
eventsource44.7m-3 days agoESM only-
eventsource-parser52.2m-9 days agoESM only-
eventsource-client166.2k--ESM + CommonJS-
event-source-plus30.7k-10 months agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.