hestia/src/assets/hestia.js

import { Communicator, State } from './HestiaClasses.js';
let config;
const psState = new State();
const comms = new Communicator(psState);

window.onload = async function() {
    await fetch('/assets/config.json')
    .then(response => {
        if (!response.ok) {
            throw new Error('Network response was not ok');
        }
        return response.json(); // Parse the JSON data from the response
    })
    .then(data => {
        config = data;
        psState.init(config);
        comms.init(psState, config);
        refreshState(window.document, psState);
    })
    .catch(error => {
        console.error('There was a problem with the fetch operation:', error);
    });
};

function refreshState(doc, state) {
    const igniterStatus = doc.getElementById("igniter-status");
    const exhaustStatus = doc.getElementById("exhaust-status");
    const augerStatus = doc.getElementById("auger-status");
    let statusString;

    statusString = '';
    if (state.igniter.on) statusString = "On"; else statusString = "Off";
    igniterStatus.innerHTML = statusString;

    statusString = '';
    if (state.exhaust.on) statusString = "On"; else statusString = "Off";
    exhaustStatus.innerHTML = statusString;

    statusString = '';
    if (state.auger.on) statusString = "On"; else statusString = "Off";
    augerStatus.innerHTML = statusString;
}

function power(element) {
    psState[element].power(comms);
}