block3.javascript

// clientsReducer.js

// Set the initial state to be used
const initialState = {
    clients: []
};

// define and export reducer
export default function clientsReducer(state = initialState, action) {
    // handle action's results
    switch (action.type) {
        // Set the result of the async request to state
        case 'GET_CLIENTS': {
            return {
                clients: action.clients
            };
        }

        // Toggles the direction of the results
        case 'TOGGLE_SORTING': {
            return {
                clients: state.clients.reverse()
            };
        }

        // return the default state if no action was found
        default:
            return state;
    }
}