In Diode, how do one handle a Future.failure in an effect? The doc (https://ochrons.github.io/diode/usage/Effects.html), it is clear how a success value from the Ajax call is used to update the model with a Pot.Ready, but I wonder how one can catch a failure and update a Pot.Failed instead.
Handling of Future.failure in a Diode effect
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With plain effects, you need to transform both successful
Future
and a failedFuture
into a suitable action using a combination ofmap
andrecover
. For example:If you are using
AsyncAction
(or the derivedPotAction
) it provides a helper methodeffect
that automatically handles future failure and creates aPotFailed
state.