react-logo/frontend/src/reducers/project.js

import {
    PROJECT_USER_LIST_SUCCESS,
    PROJECT_USER_LIST_FAILURE
} from '../actions/project';

const initialState = {
    items: []
};

export default (state = initialState, action) => {

    console.log(`Action: ${JSON.stringify(action)}`);
   
    switch (action.type) {
   
    case PROJECT_USER_LIST_SUCCESS:
        return {
            ...state,
            items: action.projects
        };
    case PROJECT_USER_LIST_FAILURE:
        return {
            ...state,
            items: [],
            error: action.error
        };
    
    }
    return state;
   
};