LCOV - code coverage report
Current view: top level - src - bloc_observer.dart (source / functions) Hit Total Coverage
Test: lcov.info Lines: 6 6 100.0 %
Date: 2021-09-09 14:16:36 Functions: 0 0 -

          Line data    Source code
       1             : import 'package:bloc/bloc.dart';
       2             : import 'package:meta/meta.dart';
       3             : 
       4             : /// An interface for observing the behavior of [Bloc] instances.
       5             : class BlocObserver {
       6             :   /// Called whenever a [Bloc] is instantiated.
       7             :   /// In many cases, a cubit may be lazily instantiated and
       8             :   /// [onCreate] can be used to observe exactly when the cubit
       9             :   /// instance is created.
      10           1 :   @protected
      11             :   @mustCallSuper
      12             :   void onCreate(BlocBase bloc) {}
      13             : 
      14             :   /// Called whenever an [event] is `added` to any [bloc] with the given [bloc]
      15             :   /// and [event].
      16           1 :   @protected
      17             :   @mustCallSuper
      18             :   void onEvent(Bloc bloc, Object? event) {}
      19             : 
      20             :   /// Called whenever a [Change] occurs in any [bloc]
      21             :   /// A [change] occurs when a new state is emitted.
      22             :   /// [onChange] is called before a bloc's state has been updated.
      23           1 :   @protected
      24             :   @mustCallSuper
      25             :   void onChange(BlocBase bloc, Change change) {}
      26             : 
      27             :   /// Called whenever a transition occurs in any [bloc] with the given [bloc]
      28             :   /// and [transition].
      29             :   /// A [transition] occurs when a new `event` is `added` and `mapEventToState`
      30             :   /// executed.
      31             :   /// [onTransition] is called before a [bloc]'s state has been updated.
      32           1 :   @protected
      33             :   @mustCallSuper
      34             :   void onTransition(Bloc bloc, Transition transition) {}
      35             : 
      36             :   /// Called whenever an [error] is thrown in any [Bloc] or [Cubit].
      37             :   /// The [stackTrace] argument may be [StackTrace.empty] if an error
      38             :   /// was received without a stack trace.
      39           1 :   @protected
      40             :   @mustCallSuper
      41             :   void onError(BlocBase bloc, Object error, StackTrace stackTrace) {}
      42             : 
      43             :   /// Called whenever a [Bloc] is closed.
      44             :   /// [onClose] is called just before the [Bloc] is closed
      45             :   /// and indicates that the particular instance will no longer
      46             :   /// emit new states.
      47           1 :   @protected
      48             :   @mustCallSuper
      49             :   void onClose(BlocBase bloc) {}
      50             : }

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