state property
The current "state" of this StateNotifier.
Updating this variable will synchronously call all the listeners. Notifying the listeners is O(N) with N the number of listeners.
Updating the state will throw if at least one listener throws.
Implementation
@protected
@visibleForTesting
T get state {
assert(_debugIsMounted(), '');
return _state;
}
Implementation
@protected
@visibleForTesting
set state(T value) {
assert(_debugIsMounted(), '');
final previousState = _state;
_state = value;
/// only notify listeners when should
if (!updateShouldNotify(previousState, value)) {
return;
}
_controller?.add(value);
final errors = <Object>[];
final stackTraces = <StackTrace?>[];
for (final listenerEntry in _listeners) {
try {
listenerEntry.listener(value);
} catch (error, stackTrace) {
errors.add(error);
stackTraces.add(stackTrace);
if (onError != null) {
onError!(error, stackTrace);
} else {
Zone.current.handleUncaughtError(error, stackTrace);
}
}
}
if (errors.isNotEmpty) {
throw StateNotifierListenerError._(errors, stackTraces, this);
}
}