import { combineReducers, createFeatureSelector } from '@ngrx/store'; import * as dataset from './dataset.reducer'; import * as criteria from './criteria.reducer'; import * as output from './output.reducer'; export interface State { dataset: dataset.State; criteria: criteria.State; output: output.State; } const reducers = { dataset: dataset.reducer, criteria: criteria.reducer, output: output.reducer }; const productionReducer = combineReducers(reducers); export function reducer(state: any, action: any) { return productionReducer(state, action); } export const getMetamodelState = createFeatureSelector<State>('metamodel');