Intercept actions before they are reduced Intercept state before it is emitted Can change the control flow of the Store Most common use cases Reset state when a signout action occurs for debugging creating logger to rehydrate when the application...
Working with collections should be fast Collections are very common @ngrx/entity provides a common set of basic operations @ngrx/entity provides a common set of basic state derivations How to add @ngrx/entity Start by creating a state that extends ...
Processes that run in the background Connect your app to the outside world Often used to talk to services Written entirely using RxJS streams Notes Try to keep effect close to the reducer and group them in classes as it seems convenient For effects...
Allow us to query our store for data Recompute when their inputs change Fully leverage memoization for performance Selectors are fully composable Notes They are in charge of transforming the data to how the UI uses it. State in the store should be ...
Produce new states Receive the last state and next action. Switch on the action type Use pure, immutable operations Notes Create separate reducer per feature Should live outside the feature because the state it is shared in the whole applicati...