Tips & tricks

Elmslie Core

• How to reuse the code in Reducer?

Create a function inside of the Reducer, or add a property into the State body.

• How to map State data?

There's no alague for example for ViewModel in MviCore yet, but you can add a property to the State body.

• Why there's no Subscriptions, like in the usual ELM?

There's a simpler way. To subscribe to data changes, you can a Command when handling an init Event.

Elmslie Android

• How is screen state restored?

In a plain implementation, state is restored after sending an init Event inside onCreate which triggers a call to render. To handle more complex cases read Handling configuration change and process death