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Package

eventsource-client

Modern EventSource client for browsers and Node.js

v1.2.0MITESM + CommonJSTypes: BundledWebSockets and realtime
$ npm install eventsource-client

Key numbers

As of 25 Sept 2026
Weekly downloads
166.2k
+350% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
-
v1.2.0
GitHub stars
170
12 forks
Open issues / PRs
7 / 1
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300kSept 2025Mar 2026Sept 2026High 285.8k (25 Aug 2026)Low 24.8k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

166,170 downloads last week, 869,365 in the last month. The 12-month change of +350% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
1.2.0
First published
-
Last push to GitHub
19 Sept 2025370 days before the snapshot
Repository archived
No
Open issues
7
Open pull requests
1
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
>=18.0.0
Runtimes
-
Unpacked size (npm)
245 kB
Dependencies (1)
eventsource-parser
npm install eventsource-client

CDN

jsDelivr: 227.4k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/eventsource-client@1.2.0/
  • unpkghttps://unpkg.com/eventsource-client@1.2.0/
  • esm.shhttps://esm.sh/eventsource-client@1.2.0
PackageWeekly downloadsGzipLast releaseModuleComparison
eventsource44.7m-3 days agoESM only-
extended-eventsource212k--ESM + CommonJS-
event-source-plus30.7k-10 months agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.