Connect SSE Middleware

JSON →
library 1.2.0 ·javascript abandoned
verified May 27, 2026

connect-sse is a middleware designed for `connect` (and compatible frameworks like Express) to facilitate the implementation of Server-Sent Events (SSE). It enables servers to push one-way event streams to clients over a persistent HTTP connection, which is commonly used for real-time updates such as live news feeds, stock prices, notifications, and interactive dashboards. The package is currently at version 1.2.0. Based on its last commit in 2013 and a `node` engine requirement of `>=0.10.0`, the project appears to be abandoned and no longer actively maintained or developed. Its primary differentiator is providing a simple, high-level abstraction over raw HTTP streaming for SSE, integrating directly into the `connect` middleware stack. Unlike WebSockets, SSE is strictly unidirectional (server-to-client only), simpler to set up for push notifications, and operates entirely over standard HTTP/1.1, with benefits from HTTP/2 multiplexing for improved efficiency. It lacks native support for modern ESM imports or TypeScript.

total hits 59
actors 10 distinct systems
last hit 2d ago human
ByteDance
15
Amazonbot
4
MetaBot
4
GPTBot
2
Script
1
PerplexityBot
1
Search engines
2
Humans
9

top countries 🇨🇦 Canada · 🇺🇸 United States · 🇸🇬 Singapore · 🇩🇪 Germany · VN