Spartacus : Clear/Reset State on Logout

This can be done using meta reducers.

Below example is for clearing multicartstate after user logs out.

1. MultiCartStoreModule configuration to define metareducres (multiCartMetaReducers)

@NgModule({
  imports: [
    CommonModule,
    StateModule,
    StoreModule.forFeature(MULTI_CART_FEATURE, multiCartReducerToken, {
      metaReducers: multiCartMetaReducers,
    }),
    EffectsModule.forFeature(effects),
  ],
  providers: [multiCartReducerProvider],
})
export class MultiCartStoreModule {}
 

 

2. clearMultiCartState  function to Define multiCartMetaReducers


export function clearMultiCartState(
  reducer: ActionReducer<any>
): ActionReducer<any> {
  return function (state, action) {
    if (action.type === AuthActions.LOGOUT) {
      state = undefined;
    }
    return reducer(state, action);
  };
}

export const multiCartMetaReducers: MetaReducer<any>[] = [clearMultiCartState];

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