number-munchers/controllers/welcome/welcome.controller.js

import * as WelcomeActions from '../../actions/welcome/welcome.actions';
import * as ModeActions from '../../actions/mode.actions';
import SETTINGS from '../../AppSettings';

let dispatch;

const emptyScores = JSON.stringify([
    { initials: "AAA", score: "0" },
    { initials: "AAA", score: "0" },
    { initials: "AAA", score: "0" },
    { initials: "AAA", score: "0" },
    { initials: "AAA", score: "0" },
]);

const WelcomeCtrl = {
    setDispatch: (d) => dispatch = d,

    // Note: If storage has not been set, it will be populated here with empty scores.
    updateFromLocalStorage: () => {
        const scores = JSON.parse(localStorage.getItem(SETTINGS.LOCAL_STORAGE_KEY) || emptyScores);
        localStorage.setItem(SETTINGS.LOCAL_STORAGE_KEY, JSON.stringify(scores));
        dispatch(WelcomeActions.updateScores(scores));
    },

    keydown: (e) => {
        if (e.keyCode === 32 || e.keyCode === 13) {
            dispatch(ModeActions.options());
        }
    }
};

export default WelcomeCtrl;