createWhenListener<N extends StateNotifier<S> , S> function
create the listener for provider.when filter
Implementation
void createWhenListener<N extends StateNotifier<S>, S>(
WhenFilteredProvider<N, S> filter,
) {
final notifier = filter.notifier;
filter.listener = (newState) {
// rebuild the Consumer using the boolean returned by the callback
final allowRebuild = filter.callback(notifier.oldState, newState);
if (allowRebuild) {
filter.reaction?.call(notifier);
}
};
}