EventSource permanent auto reconnection

Question

I am using JavaScript EventSource in my project front-end.

Sometimes, the connection between the browser and the server fails or the server crashes. In these cases,

Answer 1

In my experience, browsers will usually reconnect if there's a network-level error but not if the server responds with an HTTP error (e.g. status 500).

Our team made a simple wrapper library to reconnect in all cases: reconnecting-eventsource. Maybe it's helpful.