Server-sent events support for Yesod apps.

Version on this page:1.6.0
LTS Haskell 12.22:1.6.0
Stackage Nightly 2018-12-14:1.6.0
Latest on Hackage:1.6.0

See all snapshots yesod-eventsource appears in

MIT licensed and maintained by Felipe Lessa

Module documentation for 1.6.0

There are no documented modules for this package.


It’s easy to send an event from an HTTP client to a server: just send an HTTP request. However, sending events from the server to the client requires more sophisticated approaches. Server-sent events are a standardized way of pushing events from the server to the client.

This package allows your Yesod application to easily send server-sent events. On the client side, you may use the EventSource JavaScript object on browsers that support it ( or a polyfill for browsers that don’t (we support Remy’s polyfill out-of-the-box, although that requires you to explicitly support it).



  • Upgrade to yesod-core 1.6.0


  • Fix warnings
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