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NullInjectorError: No provider for ReducerManager

I am using the new ngrx 5. This is the file that holds the reducers and the featureSelector:

import AppState from '../interfaces/app.state'
import { ActionReducerMap, createFeatureSelector } from '@ngrx/store'
import { partnerReducer } from './partner.reducer'

export const reducers: ActionReducerMap<AppState> = {
  partnerState: partnerReducer
}

export const getAppState = createFeatureSelector<AppState>('appState')

This is how I am importing the storeModule

@NgModule({
declarations: [...],
imports: [...
  RouterModule.forRoot(ROUTES),
  StoreModule.forFeature('appState', reducers)
],
providers: [...],
bootstrap: [AppComponent],
entryComponents: [...]
})

export class AppModule { }

I have followed this tutorial

When I run the app, I get the following error:

"StaticInjectorError(AppModule)[StoreFeatureModule -> ReducerManager]: 
\n  StaticInjectorError(Platform: core)[StoreFeatureModule -> ReducerManager]: 
\n    NullInjectorError: No provider for ReducerManager!"

But if I do provide ReducerManager in the providers, I get this error:

No provider for ReducerManagerDispatcher!
over 4 years ago · Santiago Trujillo
2 Respuestas
Responde la pregunta

0

Managed to solve this by adding StoreModule.forRoot({}), in the imports.

StoreModule.forRoot should only be called once in the root of your project NgModule. If you wan't to register a feature, use StoreModule.forFeature. Using forRoot registers the global providers needed for Store.

Check the github discussion here on this issue. The above reason was stated in the same discussion

over 4 years ago · Santiago Trujillo Denunciar

0

I had the same problem and I found this solution

imports: [
       StoreModule.forRoot({}), 
    StoreModule.forFeature('filter-app', filterReducer)
]

over 4 years ago · Santiago Trujillo Denunciar
Responde la pregunta
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