Auto-sell power in Reactor Idle

auto-sellpower.js

const DEFAULT_SELL_DELAY_IN_SECONDS = 60;

function showReactorMenu() {
    $('#reactorsButton').click();
}

function selectReactor(name) {
    var reactors = $('.reactorSelect');
    var reactor = reactors.find('.description:contains("' + name + '")').parent();
    var selectButton = reactor.children('.button');
    selectButton.click();
}

function sellPower() {
    $('#sellPowerButton').click();
}

function sellReactorPower(reactor) {
    showReactorMenu();
    selectReactor(reactor);
    sellPower();
}

function stopSellingPower() {
    window.clearInterval(sellPowerTimer);
}

function startSellingPower(reactors, delayInSeconds) {
    if (typeof delayInSeconds === 'undefined' || delayInSeconds === null)
        delayInSeconds = DEFAULT_SELL_DELAY_IN_SECONDS;

    if (typeof sellPowerTimer !== 'undefined')
        stopSellingPower();

    sellPowerTimer = setInterval(function() {
        reactors.forEach(sellReactorPower);
    }, delayInSeconds * 1000);
}

var reactorsToSell = ['City', 'Metropolis'];
var sellPowerDelayInSeconds = 300;
startSellingPower(reactorsToSell, sellPowerDelayInSeconds);