src/app/store/statements/reducers/entities.reducer.ts

/********************************************************************************
 * Copyright (c) 2020 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 ********************************************************************************/

import {Action, createReducer, on} from "@ngrx/store";
import {TStatementEntities} from "../model/IStatementEntity";
import {setStatementEntitiesAction} from "../statements.actions";

export const statementsEntitiesReducer = createReducer<TStatementEntities, Action>(
    {},
    on(setStatementEntitiesAction, (state, payload) => {
        return payload == null ? state : {...state, ...payload.entities};
    })
);