Function eventReducer

eventReducer<TState, TMessage>(reducer: Reducer<TState, TMessage>, initialState: TState): ((source$: Observable<TMessage>) => Observable<TState>)
Creates a function that once applied to a stream of events will reduce state and events over time similar to rxjs scan operator but will multicast values to subscribers

Returns
operator function to reduce state and events over time
Type Parameters
- TState
- TMessage
Parameters
- reducer: Reducer<TState, TMessage>
  
  a function with the form of (state: TState, event: TEvent) => TState ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce
- initialState: TState
  
  state that will be reduced will the first event or state at time 0
Returns ((source$: Observable<TMessage>) => Observable<TState>)
- - (source$: Observable<TMessage>): Observable<TState>
  - Parameters
    - source$: Observable<TMessage>
    Returns Observable<TState>
- Defined in lib/models/actor.model.ts:162

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