even package:wai-extra

Make a new WAI EventSource application reading events from the given channel.
Make a new WAI EventSource application reading events from the given IO action.
Make a new WAI EventSource application with a handler that emits events.
Converts a ServerEvent to its wire representation as specified by the text/event-stream content type.
A WAI adapter to the HTML5 Server-Sent Events API. If running through a proxy like Nginx you might need to add the headers:
[ ("X-Accel-Buffering", "no"), ("Cache-Control", "no-cache")]
There is a small example using these functions in the example directory.
Internal module, usually you don't need to use it.
Type representing a communication over an event stream. This can be an actual event, a comment, a modification to the retry timer, or a special "close" event indicating the server should close the connection.